CN103196692A - Release gear used for elevator testing - Google Patents
Release gear used for elevator testing Download PDFInfo
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- CN103196692A CN103196692A CN2013101243398A CN201310124339A CN103196692A CN 103196692 A CN103196692 A CN 103196692A CN 2013101243398 A CN2013101243398 A CN 2013101243398A CN 201310124339 A CN201310124339 A CN 201310124339A CN 103196692 A CN103196692 A CN 103196692A
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Abstract
The invention relates to a release gear used for elevator testing. The release gear used for elevator testing is controlled by a measurement and control system to release a testing frame in an elevator testing system and comprises a release frame which forms a main body of the release gear. The release gear used for elevator testing further comprises a trigger part, a linkage part and a clamping part, wherein the trigger part is controlled electromagnetically by the measurement and control system to act and triggers the release gear to act. The linkage part transmits acting force generated by actions of the trigger part to the testing frame through motions of a rod mechanism. The clamping part moves in linkage with the linkage part and is connected directly with the testing frame and used for tightly clamping and releasing the testing frame. The trigger part, the linkage part and the lamping part are arranged on the same side of the release frame. The measurement and control system controls all devices of the elevator testing system. The release gear used for elevator testing can release the testing frame safely and rapidly.
Description
Technical field
The present invention relates to a kind of releasing means, relate in particular to a kind of releasing means of release test frame of elevator test usefulness.
Background technology
At present in the safety test test macro of elevator, the application of releasing means seldom, in other field, the releasing means extensive application.
As Chinese patent ZL200420024952.9, a kind of fiberglass totally enclosed lifeboat releasing means is disclosed, it is characterized in that it comprises casing, the interlock uncoupling rigging, interlock plate mechanism, mechanism and the hydrostatic release unit of pulling pin links, described interlock uncoupling rigging comprises the unhook handle, the unhook Handle axis, unhook rocking arm and unhook push-and-pull flexible axle, the unhook Handle axis is connected between the casing left side plate, the unhook handle apparatus is in unhook Handle axis axle head, place the casing outside, its end is connected with shifting block, the unhook rocking arm places in the casing, the one end is placed on the unhook Handle axis, the other end links to each other with unhook push-and-pull flexible axle, described interlock plate mechanism comprises interlock plate, jam plate axle and hydrostatic release unit push-and-pull flexible axle, the jam plate axle is connected between the casing left side plate, interlock plate is set in the jam plate axle head, place unhook handle homonymy, the pulling block of one end and unhook handle end touches mutually and closes, the other end and hydrostatic release unit push-and-pull flexible axle are hinged, hydrostatic release unit push-and-pull flexible axle links to each other with hydrostatic release unit, the described interlock mechanism of pulling pin comprises the handle of pulling pin, the Handle axis of pulling pin, pull pin rocking arm and the push-and-pull flexible axle of pulling pin, the Handle axis of pulling pin is connected between the casing left side plate, the taper knob of pulling pin is loaded on jam plate axle axle head, place unhook handle homonymy, the rocking arm of pulling pin places in the casing, the one end is placed on the Handle axis of pulling pin, and the other end links to each other with the push-and-pull flexible axle of pulling pin.Realize to the locking of interlock unhook handle by an external hydrostatic release unit in the above-mentioned patent and open that its implementation procedure is comparatively complicated, is difficult for operation and control in comprehensive test macro.
In view of above-mentioned defective, creator of the present invention is through research and practice have obtained this creation finally for a long time.
Summary of the invention
The object of the present invention is to provide a kind of releasing means of elevator test usefulness, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the invention provides the releasing means of a kind of elevator test usefulness, it is subjected to TT﹠C system control and discharges test stand in the elevator pilot system, and it comprises that one discharges frame, and it constitutes the main body of described releasing means, and it also comprises:
One triggering portion, it is subjected to the Electromagnetic Control of described TT﹠C system and moves, and triggers described releasing means action;
The force transmission that one linkage portion, its motion by a linkage produce the action of described triggering portion is to described test stand;
One card-tight part, the interlock of itself and described linkage portion, it directly is connected with described test stand, in order to tighten and to discharge described test stand;
Described triggering portion, linkage portion and card-tight part are arranged on the same side of described release frame, all devices of described TT﹠C system control elevator pilot system.
Preferable, described triggering portion, it comprises:
One electromagnet, it directly is subjected to the Electromagnetic Control of described TT﹠C system and gets dead electricity, produces action;
One push rod, it is installed in described electromagnet below, and it vertically moves up and down with the dead electricity that gets of electromagnet.
Preferable, described linkage portion, it comprises that a release rocking arm, switches through rocking arm, a left lever, a right pull bar and a roller, wherein,
Described release rocking arm, it is articulated on the described release frame, and around the rotation of described release frame, it contact with described push rod end, when moving in described triggering portion, is subjected to described push rod promotion and rotates;
The described rocking arm that switches through, it contacts with described release rocking arm by described roller, when discharging described test stand, described roller and described switch through sub rocker arm from;
Described left and right pull bar, it connects respectively at the described rocking arm that switches through, and when described releasing means moved, described left and right pull bar rotated in the same direction around the described rocking arm that switches through.
Preferable, described card-tight part, it comprises a hook, and it is positioned at the both sides of described release frame in pairs, is connected with described left and right pull bar respectively, in order to directly to articulate described test stand, outside downward-sloping structure gradually in serving as reasons in the bottom of described hook, when the hook rotation, its with described release frame between the spacing increase, surface of contact at described test stand and hook forms a landslide, realizes hightailing of test stand and hook.
Preferable, described release rocking arm, it has three external parts, wherein,
Its first external part directly contacts with described push rod end, drives whole release rocking arm rotation;
Its second external part, one side is provided with a safety pin, in order to limit the motion of described release rocking arm, prevents misoperation, and this end opposite side also is provided with a back-moving spring, and the described spring other end is fixed on the described release frame;
Its 3rd end is connected with described roller.
Preferable, the described rocking arm that switches through is provided with three pivoting points, and a pivoting point in the middle of it makes it rotate around self, and two pivoting points in end connect respectively at described left and right sides pull bar, also are provided with a recess in its end, in order to hold described roller.
Preferable, side contacts in the guide frame in described release frame both sides and the elevator pilot system, and move along it, the both sides of described release frame also are respectively arranged with a projection, in order to limit moving up and down of himself, play buffer action.
Preferable, described TT﹠C system comprises that one is arranged on the height sensor on the test stand, it measures the height of described releasing means and test stand in real time, and a logic and administrative unit that the elevation information that records transfers in the TT﹠C system carried out analyzing and processing, described logic and administrative unit are according to the default described triggering of programmed control portion action, and releasing means discharges described test stand.
Preferable, described height sensor is gathered the elevation information of described releasing means and test stand according to described logic and the built-in preset program of administrative unit, and time interval that described height sensor is gathered its height with the rising of described releasing means reduces.
Preferable, the lower end of described release frame is provided with the recess of symmetry, and the end of the inclination of itself and described hook forms the space of the hook bar of a ccontaining described test stand.
Beneficial effect of the present invention is compared with the prior art: the releasing means of elevator test usefulness of the present invention is triggered by TT﹠C system control, and is easy and simple to handle; A linkage is partly adopted in interlock among the present invention, and the triggering by a triggering portion is applied to acting force on the symmetrically arranged hook, and is simple in structure; The increase in the gap between described hook utilization and the release frame and the landslide structure that himself has realize hightailing between test stand and the hook, and need not at hook independent supporting construction to be set; Safety pin among the present invention only could carry out the operation of release test frame by TT﹠C system control after taking out, adopt safety pin and two kinds of locking actions of different nature of electromagnetism, avoids the accident of test stand to discharge.
Description of drawings
Fig. 1 is the synoptic diagram of the descending pylon agent structure of elevator pilot system among the present invention;
Fig. 2 is the synoptic diagram of the component devices of the descending pilot system of elevator among the present invention;
Fig. 3 is the structural representation of facing of the guide frame of the descending pilot system of elevator of the present invention;
Fig. 4 is the structural representation of facing of the releasing means of the descending pilot system of elevator of the present invention;
Fig. 5 a is the structural representation of facing of the test stand of elevator pilot system of the present invention;
Fig. 5 b is the structural representation of facing of the safety tongs trigger mechanism embodiment one of elevator pilot system of the present invention;
Fig. 5 c is the schematic diagram of the safety tongs trigger mechanism embodiment two of elevator pilot system of the present invention;
Fig. 6 a is the one-piece construction synoptic diagram of the handler of elevator pilot system of the present invention;
Fig. 6 b is the structural representation of facing of the telescoping mechanism of elevator pilot system of the present invention;
Fig. 6 c is the structural representation of facing of the counterweight hoisting mechanism of elevator pilot system of the present invention;
Fig. 6 d is the structural representation of facing of the traversing dolly of elevator pilot system of the present invention;
Fig. 7 is the structural representation of facing of the snubber assembly of elevator pilot system of the present invention;
Fig. 8 is the functional block diagram of the TT﹠C system of elevator pilot system of the present invention;
Fig. 9 is the comparison supervisory system principle schematic of the redundant system of elevator pilot system of the present invention;
Figure 10 is for obtaining the time interval and the high-level schematic of detecting information for height sensor of the present invention;
Figure 11 obtains acceleration and the time interval synoptic diagram of detecting information for the sensor of elevator pilot system of the present invention;
Figure 12 is the synoptic diagram of the component devices of the up-running over-speed protection test of the up pilot system of the present invention;
Figure 13 is the structural representation of facing of the counterweight frame of the up pilot system of the present invention;
Figure 14 is the acquisition time interval of sensor of the present invention and the curve synoptic diagram of speed;
Figure 15 is the synoptic diagram of the component devices of limiter of speed pilot system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
Elevator safety pilot system of the present invention has the uplink and downlink pylon, wherein said descending pylon is tested the descending safety feature of elevator, up pylon is tested protection device for over-speed ascending for elevator and limiter of speed, and the testing experiment of various devices shares a TT﹠C system; Described descending safety feature comprises descending safety tongs and snubber assembly, and described protection device for over-speed ascending comprises traction machine, rope brake and up safety tongs, existing respectively the test of each elevator car safety is described.
The basic component of the descending pilot system of the present invention is descending pylon, sees also shown in Figure 1ly, and it is the synoptic diagram of the descending pylon agent structure of elevator pilot system among the present invention, and described descending test pylon is used for safety tongs and falls and bumper tests.Described descending test pylon is supported by vertical column 15 and truss 14 and forms, every root post 15 is made of square tube segmentation welding, 15 on described column connects with truss 14, truss 14 adopts rhs-structure to form, be the splayed symmetric arrangement, it surrounds the hollow framework with described pylon, and central space is in order to arrange various test unit of the present invention and test stand; The pylon top is provided with entablature 12, and the lifting gear among the present invention is installed on the described entablature 12; Be provided with two square grade beams 112 in column 15 bottoms, this grade beam 112 is connected with the foot bolt of tower foundation, and main truss is fixed.
Described pylon is made up of more piece, at pylon a workbench 13 and lighting device are set every about 5m, described workbench 13 is made up of floor, stainless steel railing and bearing diagonal, be provided with a cat ladder 16 between the adjacent workbench 13, use for operating personnel current up and down, around described workbench 13 and the cat ladder 16 guardrail is set, the personnel of preventing fall; Basic building block guide rail 19 as elevator and pilot system of the present invention, it is connected and fixed by a guide rail mounting bracket 17 and described column 15 and crossbeam 111, in this pilot system, be provided with at least one pair of guide rail, its test stand that is respectively different model provides orbit; In order to satisfy the test of multiple test stand, guide rail 19 among the present invention can be changed, every joint guide rail is between above-mentioned adjacent workbench 13, and described guide rail mounting bracket 17 is corresponding with the position of described workbench 13, and the personnel of being convenient to operation change the guide rail of different model.
See also shown in Figure 2, it is for the synoptic diagram of the descending pylon component devices of the descending pilot system of elevator of the present invention, described descending pilot system comprises lifting gear 2, guide frame 3, releasing means 4, test stand 5, snubber assembly 6, counterweight charging crane, building hoist, safety tongs trigger mechanism and electric-control system etc., is used for safety tongs drop shutter test and bumper tests; Wherein, described lifting gear 2 is arranged on the top of described pylon, its lifting, the described guide frame 3 in whereabouts, described guide frame 3 belows are equipped with described releasing means 4, the rising that described guide frame 3 is described releasing means 4 and the guiding that descends, described releasing means 4 belows are equipped with described test stand 5, and the downside of described test stand 5 is equipped with detected safety tongs, described snubber assembly 6 places the pylon bottom, to prevent test stand 5 accidental fallings testing equipment and near building is caused damage.
Please continue in conjunction with shown in Figure 2, described lifting gear 1 mainly comprises suspension hook center constant electric block 21 and dolly 22, described electric block 21 is installed on the dolly 22, and described dolly 22 is installed on the supporting guide 23, and described supporting guide 23 is fixed on the described entablature 12; Among the present invention, described dolly 22 can be laterally mobile on described supporting guide 23, and described supporting guide 23 ends are provided with baffle plate, to limit the range of movement of described dolly 22; In the present embodiment, described dolly 22 is two fixed positions about supporting guide 23 has, and can be applicable to two groups of test tracks, can carry out safety detection to the test stand of different model.
See also shown in Figure 3ly, it is the structural representation of facing of the guide frame of the descending pilot system of elevator of the present invention, and in the present invention, guide frame 3 has different models, is applicable to different test loads respectively, can change as required; Described guide frame 3 is suspended on the suspension hook of described electric block 21, and installs and fixes with leading boots, can to-and-fro movement on described guide rail 19 by the described boots of leading, and described electric block 21 provides tractive force for it; Described guide frame 3 lower ends are connected with described releasing means 4,3 pairs of described releasing meanss 4 of described guide frame play the guiding role, when described releasing means 4 discharges described test stand 5, bear a reacting force simultaneously, it also has the effect of stablizing described releasing means 4 and above-mentioned suspension apparatus; In the present embodiment, described guide frame 3 comprises a support 31, has symmetry projection 33, one coupling shafts that the horizontal thread hole is set to pass described threaded hole on it, and the suspension hook of described electric block 21 articulates described guide frame 3 by this coupling shaft; Described guide frame 3 also comprises a hook support 32, and it is connected in order to the hook with described test stand 5 upper ends.
See also shown in Figure 4ly, it is the structural representation of facing of the releasing means of the descending pilot system of elevator of the present invention, and described releasing means 4 comprises that one discharges frame 43, and it constitutes the main body of described releasing means; Side contacts in the both sides of described release frame 43 and the described guide frame 3, and move along it, the upper end, both sides is also established and is equipped with a projection respectively, in order to limit moving up and down of himself, plays buffer action; Also comprise a triggering portion, make described releasing means action in order to the control of accepting following TT﹠C system, in the present embodiment, it is an electromagnet 41, and it directly is subjected to the Electromagnetic Control of described TT﹠C system and gets dead electricity, produces action; One push rod 42, it is installed in described electromagnet below, can vertically move up and down with electromagnet; One linkage portion, its motion by a linkage is arrived described test stand with the force transmission that the action of triggering portion produces, and it comprises that a left lever 45, switches through Rocker arm 46, and discharges Rocker arm 47, a right pull bar 48; One card-tight part, itself and described linkage portion link, and it directly is connected with described test stand, and in order to tighten and to discharge described test stand 5, it comprises a hook 44, and described hook 44 is positioned at described release frame 43 both sides in pairs, in order to described test stand 5 is hung thereon; Described triggering portion, linkage portion and card-tight part are arranged on the same side of described release frame, described releasing means 4 is controlled by above-mentioned TT﹠C system in addition, it comprises that one is arranged on the height sensor on the described test stand 5, it is by the metrical information of described height sensor, control the action of described triggering portion, and then control the motion of described linkage portion and card-tight part, in order to discharge or to tighten described test stand 5.
Wherein, described release Rocker arm 47, it is articulated on the described release frame 43, around its rotation; In the present embodiment, it has three external parts, its first external part contacts with the end of described push rod 42, described electromagnet 41 when electric, described push rod 42 moves downward, directly promote the end action of described release Rocker arm 47, described release Rocker arm 47 can be along its center rotation, be provided with a safety pin 40 in its second external part, one side, described safety pin 40 has only when described safety pin 40 takes out in order to limit the motion of described release rocking arm, described release Rocker arm 47 just can move, to prevent misoperation, be used for test stand 5 and link up with 44 safety interlocking, this safety interlock can or be used power operation with manual operation; At this end of described release Rocker arm 47, also be provided with a spring 49, described spring 49 other ends are fixed on the described release frame 43, in order to the motion that limits described release Rocker arm 47 and it is resetted; The 3rd external part at described release Rocker arm 47 is provided with a roller 471, and described roller 471 contacts with described switching Rocker arm 46, and when discharging described test stand 5, described roller 471 separates with described switching Rocker arm 46.
Described Rocker arm 46 one ends of switching through are provided with a recess, and in order to hold described roller 471, when described releasing means 4 was in locking state, described roller 471 placed in the described recess; Described switching through also is provided with three pivoting points on the Rocker arm 46, a pivoting point in the middle of it, making himself can be around described release frame 43 rotation, and two pivoting points are connected with right pull bar 48 with described left lever 45 respectively in addition, and two pull bars can rotate in the same direction around the described Rocker arm 46 that switches through.
When described roller 471 with described when switching through Rocker arm 46 and separating, the described Rocker arm 46 that switches through turns clockwise, described left and right sides pull bar promotes to be attached thereto two hooks 44 that connect respectively, the left side suspension hook is rotated counterclockwise, the right side hook turns clockwise, produce a bigger spacing between the end of described suspension hook and the described release frame 43, the hook bar of described test stand 5 separates with described hook 44, and described test stand 5 falls; When described hook 44 rotates, test stand 5 comes off from described hook automatically, outside downward-sloping structure gradually in serving as reasons in the bottom of described hook 44, when hook 44 rotations, hook 44 and the spacing that discharges between the frame 43 are enough big, and test stand 5 is a landslide with the surface of contact of hook 44, test stand 5 breaks away from hook rapidly, the lower end of corresponding described release frame 43 is provided with the recess of symmetry, forms the space of the hook bar of a ccontaining described test stand 5 in order to the end with the inclination of described hook 44.
Described releasing means 4 is subjected to the control of described TT﹠C system, when on-test, the hook bar 51 of the described test stand 5 of described hook 44 chuckings, when above-mentioned lifting gear 1 rises to predetermined altitude with described test stand 5, after extracting described safety pin 40, described TT﹠C system control described electromagnet 41 change electricity condition, then releasing means 4 discharges described test stand 5.
The supporting construction that independent test stand articulates is not set on the hook of the releasing means among the present invention, but relies on hook and the spacing between the release frame to lock and discharge, can guarantee release test frame timely, satisfy testing requirements; And have two kinds of locking actions of different nature of safety pin and electromagnetism, avoid the accident of test stand to discharge.
See also shown in Fig. 5 a, it is the structural representation of facing of the test stand of elevator pilot system of the present invention, and described test stand 5 tops are provided with described hook bar 51, and described hook bar 51 ends are provided with horizontal through hole, in order to articulate with described suspension hook 44; Described test stand 5 is supported by head tree 53 and forms, and described test stand 5 relies on described head tree 53 to move up and down along described guide rail 19; The middle part of described test stand 5 and bottom are separately installed with a cover trigger mechanism 54, and in the present invention, described trigger mechanism has electronic trigger mechanism and mechanical trigger mechanism; The trigger mechanism 54 at described test stand 5 middle parts is connected with an insurance safety tongs, and the trigger mechanism of bottom is connected with tested safety tongs; Described test stand bottom also is provided with a bump seat 55, in order to clash into described snubber assembly 6, during test, discharge described test stand 5, when it arrives predetermined speed, described tested safety tongs action, described test stand 5 is clamped on the described guide rail 19, makes described test stand 5 stop motions, if described tested safety tongs lost efficacy, then described insurance safety tongs action is to limit described test stand 5 motions.
See also shown in Fig. 5 b, it is the structural representation of facing of the trigger mechanism embodiment one of elevator pilot system of the present invention, this trigger mechanism is mechanical triggering mode, its safety tongs trigger theory with conventional elevator is identical, it comprise driving lever 543, be connected with driving lever 543 bearing seat 542, pivoted arm 546 and rotating shaft, shift fork and connecting rod 541, the retinue lock rope of described trigger mechanism and described test stand 5 links to each other; At the trial, described test stand 5 is transferred when reaching predetermined speed, limiter of speed is controlled the moving described pivoted arm 546 of described retinue lock rope band and is rotated, and then drive described rotating shaft and rotate, described rotating shaft drives described driving lever 543 and rotates, described driving lever 543 promotes described safety tongs action, and described guide rail 19 is clamped, and makes elevator brake.
See also shown in Fig. 5 c, it is the schematic diagram of the trigger mechanism embodiment two of elevator pilot system of the present invention, it comprises a push rod 549, a spring 548 and a yoke assembly 547, wherein, described push rod 549 directly links to each other with safe claw beam, described spring 548 places between described push rod 549 and the yoke assembly 547, described control system is controlled described yoke assembly 547 and is got, promote described spring 548, make its elongation, and then promoting described push rod 549 actions, described push rod 549 promotes safe claw beam action, clamps guide rail.
See also shown in Fig. 6 a, it is the one-piece construction synoptic diagram of the handler of elevator pilot system of the present invention, described counterweight handler is the handler of Three Degree Of Freedom, be placed on the counterweight of described test stand 5 in order to loading and unloading, it comprises test tower column 74, counterweight hoisting mechanism 71, telescoping mechanism 72 and traversing dolly 73, wherein, described hoisting mechanism 71 is used for lifting counterweight 70, and counterweight 70 placed and transports out of described test stand 5, described telescoping mechanism 72, by the flexible loading and unloading counterweight 70 that is implemented on the different tests frame 5, described traversing dolly 73, the stretching motion of itself and described telescoping mechanism 72 is perpendicular, and its translation motion is implemented in loading and unloading counterweight 70 on descending hoistway and the up hoistway.
See also shown in Fig. 6 b, it is the structural representation of facing of the telescoping mechanism of elevator pilot system of the present invention, described telescoping mechanism is flexible by an extensible canopy 726, realize the loading and unloading of counterweight 70 on different tests frame 5, it is driven by a motor 725, described motor 725 rotatablely moves it and is passed to described driving member by a belt pulley 723, in the present embodiment, described driving member is screw-nut body, described belt pulley 723 transfers to described leading screw 722 with described rotatablely moving, described nut 721 is connected with described extensible canopy 726, described extensible canopy 726 moves with described nut 721 along continuous straight runs, described extensible canopy 726 fixedly has a hanging box 728, described hoisting mechanism 72 is fixed on the described hanging box 728, the stretching motion of described extensible canopy 726 drives described hoisting mechanism 72 and moves together, realizes the big working range of described counterweight charging crane.
See also shown in Fig. 6 c, it is the structural representation of facing of the hoisting mechanism of elevator pilot system of the present invention, described hoisting mechanism places on the described hanging box 728, it comprises motor 712, be connected gear set 713 with motor shaft, an and ball screw framework, described leading screw 714 rotates, described nut 715 is laterally mobile, one travelling block 715, be wound with a hoist cable 718 on it, described hoist cable 718 1 ends are fixed, the other end is connected with a suspension hook 711, and described hoist cable 718 is changed into vertical direction through a quiet pulley 716, and described suspension hook 711 comprises connecting rod and clamp 712, described clamp 712 clamps described counterweight 70, also be provided with handle on it, in order to manual operation, load and unload described counterweight 70; For preventing producing collision in suspension hook described in the lifting process 711 and described hanging box 728, described hanging box 728 bottoms also are provided with a stage clip 717.
See also shown in Fig. 6 d, it is the structural scheme of mechanism of facing of the traversing dolly of elevator pilot system of the present invention, described traversing dolly 73 is fixed on the described telescoping mechanism 72 by trolley frame 738, one motor 736 will rotatablely move by driving-chain wheels 735 and be passed on the transmission shaft 737, described transmission shaft 737 is provided with a roller 734, described roller 734 contacts with a traversing vehicle frame 732, described traversing vehicle frame 732 belows also are provided with a castor 733, under the effect of described roller 734, described traversing vehicle frame 732 can move along the direction vertical with motor 736 axial directions, loads and unloads counterweight to realize described counterweight handler in the scope of up hoistway and descending hoistway; Motor 731 is connected with a feed screw nut member by chain wheel set 732, and the nut 739 on it can be connected with a hanging box, makes it mobile at motor 731 axial directions, realizes the counterweight loading and unloading between the different tests frame.
See also shown in Figure 7, it is the structural representation of facing of the snubber assembly of elevator pilot system of the present invention, it comprises upset movable platform 63, a hydraulic jack 62 and an impact damper 61 of splitting, described snubber assembly 6 is arranged in the pit of column 15 belows, described impact damper 61 places described upset movable platform 63 belows, backing plate is arranged between the two, also be provided with backing plate on the ground of described impact damper 61 belows; Described upset movable platform 63 belows are respectively arranged with described hydraulic jack 62, are used for the described upset movable platform 63 of jack-up; When carrying out bumper tests, described upset movable platform 63 can lock worktable, and when preventing bump seat 55 bumps on the described test stand 5, impact damper 61 tilts and influences test effect; When carrying out the safety tongs test; described hydraulic jack 62 pushes up vertical position with described movable overturn platform 63 by horizontal level; expose described impact damper 61; get out of the way the safety tongs pilot passageway; and vertical movable overturn platform 63 can doublely be done protective baffle plate; avalanche is taking place, when splashing, playing the effect of part protection.
In the present embodiment, the test tower impact damper has an oily gas formula impact damper, it is used for the big test stand of descending pylon, a described oily gas formula impact damper has the highest efficient and best energy absorption capability, during impact damper work, the fluid that piston rod promotes oil pocket flows in dry air or the nitrogen air chamber, and pressure gas and fluid absorb energy simultaneously, fluid under external force, the one or more apertures of flowing through produce damping dissipation test stand impact energys.
The impact damper of descending pylon small test frame comprises an oily gas formula impact damper and the linear eddy current brake systems of permanent magnetism, the linear eddy current brake systems of wherein said permanent magnetism, magnet on it is installed on the test stand, the braking guide rail is that inductor is as the motion guide rail of described test stand, described magnet and braking guide rail produce relative motion, produce eddy current in inductor, the magnetic field interaction that the magnetic field that eddy current produces and magnet produce, obtain damping force, make described test stand braking.
Among the present invention, also comprise one or three remaining redundant computation machine observe and control systems, the kinematic parameter that is equipped with in order to the described tested test of real-time measurement, and control the course of work of described pilot system; See also shown in Figure 8, it is the functional block diagram of the TT﹠C system of elevator pilot system of the present invention, described TT﹠C system, it comprises a logic and administrative unit 81, one real-time control module 82, one data acquisition unit 83 and an action control unit 84, wherein, described logic and administrative unit 82, be stored with the test procedure of each device being tested, analyze and handle in order to the data to each device being tested of three kinds of data channel transmission, the system failure is diagnosed and handled, and carry out communication with described action control unit 84 and control the total system action, realize the man-machine interaction of system, carry out data interaction with the external world; Described data acquisition unit 83, its displacement, speed, acceleration and tension information in order to the related device that will be arranged on the sensor collection on each device being tested transfers to described logic and administrative unit 81, and carrying out data interaction with described real-time control module 82, described each proving installation is provided with corresponding testing sensor; Described real-time control module 82, its information that described data acquisition unit 83 is collected transfers to described logic and administrative unit 81, it monitors and adjusts displacement, speed, the acceleration of each proving installation in real time, realizes displacement and the closed-loop control of speed and the scene protection of test specimen of system; Described action control unit 84, it receives the control information of described logic and administrative unit 82, controls the start and stop action of each device of described pilot system, and the described safety tongs of control moves in the descending pilot system of the present invention, safety tongs triggers and the releasing means action.
In the present embodiment, described data acquisition unit 83 comprises analog interface circuit and digital interface circuit, and it is the interface of computing machine and external control devices, comprises switch board and circuit board on the hardware; The core of described logic and administrative unit 81 and real-time control module 82 all is computing machine; Described action control unit 84 comprises a PLC, frequency converter and various relay, and described PLC and described logic and administrative unit 81 are carried out data interaction, and controls described frequency converter and the various actuating of relay.
Three remaining redundant computation machine observe and control systems among the present invention need move control to each actuating unit of the descending pilot system of described elevator, up pilot system and limiter of speed test, and measure corresponding displacement, speed, acceleration and the tension data of measured pieces such as described safety tongs, snubber assembly, test stand, tested traction machine, rope brake and limiter of speed, go forward side by side line data analysis and processing in real time; So control system is divided into many levels, ground floor is administration and supervision authorities, i.e. logic and administrative unit 81 and implement control module 82, and it adopts Industrial Control Computer; The second layer is key-course, and it adopts PLC, so that system has higher reliability; The 3rd layer is the driving layer, and it adopts frequency converter; The 4th layer is execution level, and it adopts motor-driven.
For mission reliability and the safe reliability that guarantees system, in computer measurement and control system of the present invention, adopt the dissimilar redundancy fault-tolerant technique to make up three remaining redundant systems, and employing analytic redundancy technology is finished condition monitoring and fault isolation to the high survey sensor of reliability requirement; The key sensor that TT﹠C system is used for motion control comprises laser velocimeter sensor, multi-turn absolute encoder and acceleration transducer, has from monitoring function, in order to realize monitoring in real time, improves Fault Tolerance effectively; In the present embodiment, adopt three kinds of hardware platforms of MEGA, ARM9 and X86 in the described TT﹠C system, make up the dissimilar redundancy TT﹠C system, by laser velocimeter sensor, multi-turn absolute encoder and acceleration transducer independent measurement movable body kinematic parameter, utilize algorithm to draw each self-acceleration, speed and displacement data respectively; Now three kinds of sensors being described as followsly, is example with the acceleration of measuring test stand only.
Described laser sensor, it is installed on the guide rail that described test stand 5 slides, it is a speed pickup, in order to displacement and the rate signal of gathering described test stand 5, its interface by standard configuration is that logic is connected communication with administrative unit 81 with above-mentioned industrial computer, the displacement information of described test stand 5 transferred in the described industrial computer handle, calculate the acceleration of described test stand 5 in real time.
Described rotary encoder, it is that action control unit 84 is connected with described drive motor, it is gathered the corner information of described motor and transfers to described logic and administrative unit 81, in order to displacement and the speed of the described test stand 5 of real-time calculating.
Described accelerometer, it is an acceleration transducer, it is installed on the described test stand 5, with 5 motions of described test stand, and the acceleration information of test stand 5 is transferred to described logic and administrative unit 81 is handled.
The present invention's three remaining redundant computation machine observe and control systems, the monitor mode that adopts relatively monitoring and sensor to combine from monitoring, primary fault detects the mode that adopts from monitoring and relatively monitor combination and realizes that secondary failure and three fault detects realize by self-monitoring mode.
Relatively monitor mode of the present invention adopts cross aisle mode relatively, see also shown in Figure 9, it is the comparison supervisory system principle schematic of the redundant system of elevator pilot system of the present invention, described data transmission channel transmits the data message of each sensor and rotary encoder respectively, data channel one a1, data channel two a3 data information transfer that it is corresponding respectively handle to the CPU (central processing unit) a2 in each administrative unit 81 of described logic, described CPU (central processing unit) a2 compares the input information of three data passages in twos, the situation that surpasses specified thresholds according to its difference is judged the passage that breaks down, information as three kinds of data channel is respectively A, B, C, if described CPU (central processing unit) a2 judges | A-B| and | the value of A-C| all surpasses threshold value, can judge that then the data channel of carrying A information breaks down; Described each CPU (central processing unit) transfers to judgement information in the selection processor a4, its accurate information to the data passage is judged and is selected, and the data of selecting are transferred to described action control unit 84 or data acquisition unit 83 through data transmission channel a5, above-mentioned relatively monitor procedure is handled by described logic and administrative unit 81, CPU (central processing unit) in it and selection processor carry out handling according to pre-set programs after fault judgement and the data analysis selection.
System of the present invention mainly comprises offline inspection and online detection mode from monitoring, and the off-line self checking method of employing mainly comprises: processor is from detecting, and memory stores check sum, A/D ALT-CH alternate channel detect certainly, the CAN bus detects certainly etc.; System takes onlinely mainly comprises from method for supervising: controller is from monitoring, as timer monitoring, power supply from monitoring, storer from monitoring etc., described controller can adopt a house dog software or circuit to monitor, it circulated automatically according to the default time, if system feed within a certain period of time dog then system reset, test No. increases automatically, continues test according to original data.
Above-mentioned various sensors among the present invention all possess from monitoring function, its implementation process is realized by described logic and administrative unit 81, described various sensor sends each Device Testing information and the monitor message of self through described data acquisition unit 83 to described logic and administrative unit 81, described logic judges according to default program whether monitor message is consistent with the operate as normal information of sensor with administrative unit 81, detects electric fault.
Now describe in conjunction with above-mentioned TT﹠C system and each test unit process of the test to elevator safety gear, in the present invention, described descending pylon height is allocated as follows: the tower top space is used for installing described lifting gear 2; Described test stand 5, guide frame 3 are thereunder; The pylon height can satisfy the distance requirement of the safety tongs action of test rated speed.
When carrying out the safety tongs drop shutter test, the described lifting gear of described action control unit 84 controls makes its height that is in described counterweight handler, controls described counterweight handler and places default counterweight to described test stand 5, and rise to the top; The described dolly 22 of described action control unit 84 controls moves to a fixed position of described pylon, electric block 21 on it rises to predetermined altitude with described test stand 5, described logic and administrative unit 81 are to described action control unit 84 transmission control informations, described releasing means 4 actions of described action control unit 81 controls, described test stand 5 is discharged from its hook 44, and described test stand 5 freely falls.
For guaranteeing that described releasing means 4 can be in suitable height landing, described test stand 5 is provided with described height sensor, measure the height of described test stand 5 and releasing means 4 in real time, it carries out data acquisition according to program default in the logic in the TT﹠C system and the administrative unit 81, see also shown in Figure 10, it obtains the time interval and the high-level schematic of detecting information for height sensor of the present invention
Above-mentioned formula (1) expression sensor of the present invention obtains the time interval of information and the funtcional relationship of acceleration, wherein, t represents that sensor obtains the time interval of the movable information of test stand 5, h represents the real-time height of described test stand, k represents self parameter of sensor, and m represents the general assembly (TW) of test stand 5; B, h
1And h
2Be the definite value that described logic and administrative unit 81 set in advance, it is set according to the height of described pylon and the speed of test stand 5, and 0＜b＜1; T is certain value.
From above-mentioned accompanying drawing and table (1) as can be known, when the height of described test stand 5 hangs down, it is longer that described height sensor obtains time interval of information, when closing on described default release altitude, the time interval that described height sensor obtains information shortens, be provided with like this and be beneficial to the saving program resource, reduce the workload of TT﹠C system, can satisfy the measuring accuracy that discharges the moment simultaneously again.
When test stand 5 reaches rated speed, 5 accelerometer on the described test stand, rotary encoder on the motor and the sensor on the guide rail are respectively with the displacement of gathering, acceleration and velocity information transfer to described logic and administrative unit 81 by data acquisition unit 83, described logic and administrative unit 81 are analyzed this data message, send control command to described action control unit 84, trigger described safety tongs trigger mechanism, described safety tongs action, and then TT﹠C system is measured the performance parameter of safety tongs respectively automatically by above-mentioned three kinds of metering systems, in this process, described real-time control module 82 obtains the Information Monitoring of described data acquisition unit 83 in real time, and the state of each proving installation carried out adaptive adjustment, guarantee the normal operation of each proving installation.
1) nominal situation, when test stand 5 drops to the h1 height, when reaching the maximum test speed of its permission, tested safety tongs action, described test stand 5 continues to drop to the h2 height by the preset detection distance, in the case, described test stand 5 is with default constant acceleration operation, at this moment, described logic and administrative unit 81 judge that according to the sensor Information Monitoring on each proving installation described each proving installation does not have unusually, then test is normal, the various information that described logic and administrative unit 81 are collected tested safety tongs.
2) unusual service condition, when described test stand 5 falls to the h2 height, if described TT﹠C system is found tested safety tongs partial failure, described test stand 5 continues to fall and does not take urgent measure, when test stand 5 falls to the h4 height, described test stand 5 enters the permanent magnetism deboost phase, the described permanent magnetism brake system of described action control unit 81 controls is moved, and absorbs the kinetic energy of described test stand, during as if the arrival ground, described test 5 does not stop, and then absorbs remaining kinetic energy by described snubber assembly;
When described test stand 5 falls to the h2 height, if described TT﹠C system is found tested safety tongs and was lost efficacy, then described logic and administrative unit 81 are sent steering order to described action control unit 84, control the insurance safety tongs action at described test stand 3 middle parts, and control described permanent magnetism brake system action; If described insurance safety tongs also lost efficacy simultaneously, described test stand 5 continues to fall, and when falling to height h4, described kinetic energy is then absorbed by above-mentioned permanent magnetism brake system and snubber assembly.
In process of the test, described logic and administrative unit 81 judge that described safety tongs is in partial failure state or failure state, the test stand acceleration information that acceleration transducer on the described test stand 5 will be measured in real time transfers to described logic and administrative unit 81 by described data acquisition unit 83, when above-mentioned height h1, described logic and administrative unit 81 are calculated the accekeration of described test stand, and compare with the acceleration range of the inefficacy that sets in advance and partial failure, judge the scope that it falls into, and then send different steering orders to described action control unit 84.
Work as a=a
1The time, described safety tongs is in normal operating conditions;
Work as a
2＜a＜a
1The time, described safety tongs is in the partial failure state, and the braking distance of the described test stand 5 of this process is very long;
As a≤a
2The time, described safety tongs is in failure state;
Wherein, described a represents the acceleration of safety tongs, a
1And a
2Be the definite value that described logic and administrative unit 81 set in advance, it is set according to the height of described pylon and the speed of test stand 5.
In the process of the test of the described safety tongs of test, acceleration transducer on the described test stand 5 and the laser sensor on the guide rail, need estimate the braking ability of described safety tongs, wherein, of paramount importance parameter is that the displacement of described test stand 5, speed, acceleration information are measured and acquisition process, for this reason, described logic and administrative unit 81 are controlled the time interval of the Information Monitoring of described each sensor according to the different tests situation, with the control measuring accuracy.See also shown in Figure 11, it obtains acceleration and the time interval synoptic diagram of detecting information for sensor of the present invention, when the acceleration a of described test stand 5 hangs down, when described safety tongs is in inefficacy or partial failure state, the time interval t that described sensor obtains information with the increase of acceleration a reduces, when described safety tongs operate as normal, its time interval t that obtains information is certain value.
Above-mentioned formula (2) expression sensor of the present invention obtains the time interval of information and the funtcional relationship of acceleration, and wherein, t represents that sensor obtains the time interval of the movable information of test stand 5, and k represents self parameter of sensor, and m represents the general assembly (TW) of test stand 5; B, a
1And a
2Be the definite value that described logic and administrative unit 81 set in advance, it is set according to the height of described pylon and the speed of test stand 5, and 0＜b＜1; T is certain value.
Obtain Test Information according to above-mentioned function, the test accuracy of warranty test system when higher accelerations alleviated the computing complexity of control system simultaneously.The functional relation of the above-mentioned time interval and acceleration is equally applicable to the test of the traction machine of following ascending for elevator pilot system, and described logic and the tested traction machine of administrative unit 81 controls are tested according to above-mentioned relation.
The bumper tests process of described descending pilot system is as described below.
When testing, described logic and administrative unit 81 send a steering order to described action control unit 84, described hydraulic jack 62 retractions drive described upset movable platform 63 and turn to horizontal level, and described impact damper 61 places described upset movable platform 63 belows; Described logic manage and control module 81 according to the requirement of described test stand 5 stroke speeds to described action control unit 84 sending controling instructions, described electric block 21 rises to predetermined altitude with described test stand 5, and trigger the triggering portion action of described releasing means 4, described releasing means 4 discharges described test stand 5, make its free-falling, clash into described snubber assembly 6, in this knockout process, the sensor that arranges on the described snubber assembly 6 is measured its stroke automatically, speed, measurement parameters such as acceleration, and this parameter transferred to described logic and administrative unit 81 through data acquisition unit 83, carry out analysis and judgement for it; In this process, described real-time control module 82 obtains the Information Monitoring of described data acquisition unit 83 in real time, and the state of each proving installation is carried out adaptive adjustment, guarantees the normal operation of each proving installation.
Up test pylon and descending test pylon link together by truss among the present invention; described up pilot system comprises test stand, counterweight, counterweight handler, snubber assembly, lifting gear and electric-control system etc.; it is used for the protection device for over-speed ascending test, comprises traction machine brake, rope brake and the test of up safety tongs.
The frame structure of described up pylon and descending pylon is similar, it is made up of column, crossbeam and truss support, guide rail is connected and fixed by guide rail mounting bracket and described column, and the support body hollow bulb arranges various test units, and described pylon one side also is provided with cat ladder.
Described protection device for over-speed ascending and process of the test thereof are as described below.
See also shown in Figure 12; it is the synoptic diagram of the component devices of the up-running over-speed protection test of the up pilot system of the present invention; described lifting gear comprises the driving traction machine 91 that is installed in tower top; pulley blocks 92; be installed in tested traction machine 96 and the electromagnetic clutch of pylon bottom; described pylon bottom is equipped with traction machine mount pad 97; described tested traction machine 96 is installed on the described traction machine mounting platform 97; described tested traction machine 96 is connected with a test stand 94 by a lifting rope and pulley; the installation site of described pulley can horizontal adjustment; drag the cornerite of running wheel with adjustment; lifting rope is walked around the pulley of a counterweight frame 93 upper ends, and described lifting rope end is fixed on the pylon.
Described driving traction machine 91 rapidly test stand 94 speed uplinks are risen to test speed, is saved the acceleration distance of test stand in order to provide power with tested traction unit 96 associated working; When reaching the required speed of test, described logic and administrative unit 81 drive described action control unit 84 quits work described driving traction machine 91, be about to described driving traction machine 91 and from described up pilot system, separate, then can test the braking ability of tested traction machine.
One rope brake mount pad 95 also is installed on described pylon column, and it is provided with rope brake; Described test stand 94 is provided with up safety tongs; Described test stand 94 is provided with pulley, described lifting gear promotes it by pulley, also be provided with the safety tongs trigger mechanism on the described test stand 94, it comprises mechanical the triggering and the electricity triggering, and its structure and the biography of working are identical with the flip flop equipment of above-mentioned descending pilot system; Described test stand 94 bottoms are provided with snubber assembly, when falling in order to guarantee that described test stand 94 is unexpected, reduce the impact to pylon and ground.
See also shown in Figure 13ly, it is the structural representation of facing of the counterweight frame of the up pilot system of the present invention, and its structure is similar with described test stand 93, comprises bump 943, trigger mechanism 942, lock dog 941 and loads counterweight 70 on it; Described counterweight frame 93 is opposite with the direction of motion of described test stand 94, and the safety tongs trigger mechanism 942 on it is controlled by preset order by described electric control gear; Counterweight handler in the process of the test, electric control gear are identical with above-mentioned descending pilot system.
The process of the test of described protection device for over-speed ascending is as described below.
The traction machine brake test: described logic and administrative unit 81 are to described action control unit 84 sending controling instructions, control described counterweight handler and on described test stand 94 and described counterweight frame 93, load counterweight according to default test weight, after weight sensor on the described test stand 94 detects weight on the described test stand 94, described weight information is transferred to described logic and administrative unit 81 through described data acquisition unit 83, described logic and administrative unit 81 according to the test procedure that arranges in it to described action control unit 84 sending controling instructions, described action control unit 84 drives described driving traction machine 91 and 96 actions of tested traction machine, under the effect of described counterweight frame 93, rapidly described test stand 94 is risen to test speed, be arranged on the speed pickup on the described test stand 94, laser sensor on the guide rail, after rotary encoder on the motor detects the pre-set velocity of described test stand 94, this information is transferred to described logic and administrative unit 81, described logic and administrative unit 81 are sent steering order, the electromagnetic clutch that drives traction machine 91 disconnects, and cut off the power supply of tested traction machine 96, the detent of described logic and the closed tested traction machine 96 of administrative unit 81 controls, described TT﹠C system is by being installed in the accelerometer on the described test stand 94, rotary encoder on weight sensor and the motor, the metrical information of the laser sensor on the guide rail of test stand 94 obtains the parameter information of tested traction machine brake, and transfers to described logic and administrative unit records and stores.
Among the present invention, adopt driving traction machine and tested traction machine to unite the mode of driving, at test failure or the retarded velocity that causes test stand of meeting accident is crossed low or can't be up during deceleration, described TT﹠C system recloses and drives traction machine 91, utilize and drive traction machine 91 and up safety tongs brake hard, reduce rapidly the travelling speed of described counterweight frame 93, the snubber assembly of the mounting guide rail bottom by being installed in counterweight frame 93 at last, the dump energy that absorption test produces.
Can satisfy the processing demands of described logic and administrative unit 81 for the Information Monitoring that guarantees described sensor, the time interval of the Information Monitoring of described logic and the described sensor of administrative unit 81 controls, see also shown in Figure 14, it is the acquisition time interval of sensor of the present invention and the curve synoptic diagram of speed, the acquisition time of described sensor reduces with the increase of speed at interval, the speed that is described test stand 94 is more big, and the time interval is more little, and the data message of gathering in the same time is more accurate; Shown in please convolution (3), it be the relation function expression formula of the sensor Information Monitoring time interval of the present invention and speed;
Wherein, t represents that sensor obtains the time interval of the movable information of test stand 94, and v represents the speed of test stand, and m represents the gross mass of test stand 94, and 0＜a＜1 is determined by test stand 94 and sensor, and k represents self parameter of sensor.
The operation program of above-mentioned time-velocity function is stored in described logic and the administrative unit 81, and it makes that described test structure is more accurate.
Rope brake is tested with up safety tongs: this test unit is identical with the test unit of traction machine limiter of speed, only need before the test described tested traction machine is got final product with pulley blocks is alternative, TT﹠C system is same as described above to described counterweight frame 93 interior loading and unloading counterweight processes, and this repeats no more; Behind the preset weight loading, described logic and administrative unit 81 are controlled described driving traction machine 91 work according to test procedure default in it, rapidly the test stand speed uplink is risen to test speed, afterwards, the closed described tested rope brake of control or trigger up safety tongs on the described test stand 94, described TT﹠C system is automatically measured the parameter of described tested rope brake or up safety tongs, and transfers to described logic and administrative unit 81 records and handles.In this process, the default state of each device is controlled in real time in 82 pairs of processs of the test of described real-time control module, makes it according to default characteristics of motion motion.
In the process of the test, described test stand 94 and counterweight frame 93 are installed in the up pylon by track separately, and both are equipped with the compensation rope between the bottom, are used for the weight change of compensation wire rope group; Tested traction machine 96, driving traction machine 91, test stand 94 are connected by wire rope, pulley blocks with counterweight frame 93; Test stand 94 and counterweight frame 93 are along orbital motion separately, insurance safety tongs and corresponding safety tongs flip flop equipment all are installed on test stand 94 and the counterweight frame 93, when such as unexpected generations such as the ropes that has a power failure, breaks, described TT﹠C system can trigger the insurance safety tongs automatically, effectively the described test stand 94 of stop and counterweight frame 93 prevent accident.
Can also test limiter of speed among the present invention, device and the process of described limiter of speed test are as described below.
See also shown in Figure 15, it is the synoptic diagram of the component devices of limiter of speed pilot system of the present invention, described limiter of speed pilot system is attached to the interior bottom of steel construction of described up pylon, and it comprises hoisting mechanism 102, counterweight releasing mechanism 104, counterweight frame 106, pick-up unit 103, wire rope strainer 105, snubber assembly 108, guide rail and tested limiter of speed 107; Described tested limiter of speed 107 is positioned at described pylon bottom, wire rope is walked around the angle sheave 101 on the platform of pylon upper end, connect described counterweight releasing mechanism 104 through a hoisting mechanism 102 again, described counterweight releasing mechanism 104 is connected with described hoisting mechanism 102, can carry out automatic coupling, lifting and unhook to counterweight 70, the releasing means in itself and the above-mentioned descending pilot system is similar, which is provided with electromagnetism triggering portion and hook, after the steering order of accepting described TT﹠C system, begin action; Described counterweight 70 is loaded in the described counterweight frame 106, described counterweight frame 106 is equivalent to above-mentioned test stand, described counterweight frame 106 upper and lower sides are connected with wire rope, it is at the trial along described guide rail movement, it is provided with pulling force sensor and speed pickup, in order to acceleration and the velocity information of obtaining described counterweight frame 106 in real time; Described counterweight frame 106 is arranged with snubber assembly 108, and it is in order to absorb the kinetic energy that falls of described counterweight frame 106, protection test device; Also be provided with a wire rope strainer 105 on the described guide rail, in order to the tensioning wire rope; Described pick-up unit 103 is provided with the tensile force sensor, in order to measure described pull of steel wire, acceleration information.
Limiter of speed test of the present invention still adopts above-mentioned TT﹠C system to measure and control, during test, described logic and administrative unit 81 are to described action control unit 84 sending controling instructions, control described hoisting mechanism 102 described counterweight frame 106 is promoted to predetermined altitude, and discharge, described counterweight frame 106 actions, when arriving predetermined speed, described tested limiter of speed 107 actions, simultaneously, accelerometer on the described counterweight frame 106, sensor in pulling force sensor and the proving installation 103, rotary encoder on the drive motor, measure the displacement of described wire rope and counterweight frame 106, pulling force, speed and acceleration information, and this information recorded and handle in data acquisition unit 83 transfers to described logic and administrative unit 81; If counterweight frame 106 falls to the pylon bottom, then described snubber assembly 108 absorbs its drop energy.
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that the invention claim limits, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (10)
1. the releasing means of elevator test usefulness is characterized in that, it is subjected to TT﹠C system control and discharges test stand in the elevator pilot system, and it comprises that one discharges frame, and it constitutes the main body of described releasing means, and it also comprises:
One triggering portion, it is subjected to the Electromagnetic Control of described TT﹠C system and moves, and triggers described releasing means action;
The force transmission that one linkage portion, its motion by a linkage produce the action of described triggering portion is to described test stand;
One card-tight part, the interlock of itself and described linkage portion, it directly is connected with described test stand, in order to tighten and to discharge described test stand;
Described triggering portion, linkage portion and card-tight part are arranged on the same side of described release frame, all devices of described TT﹠C system control elevator pilot system.
2. the releasing means of elevator according to claim 1 test usefulness is characterized in that, described triggering portion, and it comprises:
One electromagnet, it directly is subjected to the Electromagnetic Control of described TT﹠C system and gets dead electricity, produces action;
One push rod, it is installed in described electromagnet below, and it vertically moves up and down with the dead electricity that gets of electromagnet.
3. the releasing means of elevator test usefulness according to claim 1 is characterized in that, described linkage portion, and it comprises that a release rocking arm, switches through rocking arm, a left lever, a right pull bar and a roller, wherein,
Described release rocking arm, it is articulated on the described release frame, and around the rotation of described release frame, it contact with described push rod end, when moving in described triggering portion, is subjected to described push rod promotion and rotates;
The described rocking arm that switches through, it contacts with described release rocking arm by described roller, when discharging described test stand, described roller and described switch through sub rocker arm from;
Described left and right pull bar, it is connected with the described rocking arm that switches through respectively, and when described releasing means moved, described left and right pull bar rotated in the same direction around the described rocking arm that switches through.
4. elevator according to claim 3 is tested the releasing means of usefulness, it is characterized in that, described card-tight part, it comprises a hook, it is positioned at the both sides of described release frame in pairs, be connected with described left and right pull bar respectively, in order to directly to articulate described test stand, outside downward-sloping structure gradually in serving as reasons in the bottom of described hook, when the hook rotation, spacing between itself and the described release frame increases, and forms a landslide at the surface of contact of described test stand and hook, realizes hightailing of test stand and hook.
5. the releasing means of elevator test usefulness according to claim 3 is characterized in that, described release rocking arm, and it has three external parts, wherein,
Its first external part directly contacts with described push rod end, drives whole release rocking arm rotation;
Its second external part, one side is provided with a safety pin, in order to limit the motion of described release rocking arm, prevents misoperation, when discharging described test stand, extract this safety pin, this end opposite side also is provided with a back-moving spring, and the described spring other end is fixed on the described release frame;
Its 3rd end is connected with described roller.
6. according to the releasing means of claim 3 or 5 described elevators test usefulness, it is characterized in that, the described rocking arm that switches through is provided with three pivoting points, a pivoting point in the middle of it, it is rotated around self, two pivoting points in its end connect respectively at described left and right sides pull bar, also are provided with a recess in its end, in order to hold described roller.
7. test the releasing means of usefulness according to the described elevator of the arbitrary claim of claim 1-5, it is characterized in that, side contacts in the guide frame in described release frame both sides and the elevator pilot system, and move along it, the both sides of described release frame also are respectively arranged with a projection, in order to limit moving up and down of himself, play buffer action.
8. elevator according to claim 1 is tested the releasing means of usefulness, it is characterized in that, described TT﹠C system comprises that one is arranged on the height sensor on the test stand, it measures the height of described releasing means and test stand in real time, and a logic and administrative unit that the elevation information that records transfers in the TT﹠C system carried out analyzing and processing, described logic and administrative unit are according to the default described triggering of programmed control portion action, and releasing means discharges described test stand.
9. elevator according to claim 8 is tested the releasing means of usefulness, it is characterized in that, described height sensor is gathered the elevation information of described releasing means and test stand according to described logic and the built-in preset program of administrative unit, and time interval that described height sensor is gathered its height with the rising of described releasing means reduces.
10. the releasing means of elevator according to claim 4 test usefulness is characterized in that, the lower end of described release frame is provided with the recess of symmetry, and the end of the inclination of itself and described hook forms the space of the hook bar of a ccontaining described test stand.
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| CN113567099A (en) * | 2021-07-13 | 2021-10-29 | 江苏省特种设备安全监督检验研究院 | Dynamic simulation test system and test method for anti-falling device of lifting protection platform |
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| CN101409131A (en) * | 2008-07-24 | 2009-04-15 | 蒂森克虏伯电梯（上海）有限公司 | Electro-magnet manual release apparatus for brake |
| CN102147323A (en) * | 2010-02-04 | 2011-08-10 | 中华人民共和国上海出入境检验检疫局 | Package part dropping tester |
| JP2012232814A (en) * | 2011-04-28 | 2012-11-29 | Hitachi Ltd | Brake release device and elevator |
| CN102680198A (en) * | 2012-05-14 | 2012-09-19 | 杭州沪宁电梯配件有限公司 | Elevator buffer testing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104807659A (en) * | 2015-04-04 | 2015-07-29 | 锦州市特种设备监督检验所 | Threaded self-locking quick disconnecting device |
| CN104807659B (en) * | 2015-04-04 | 2018-05-04 | 锦州市特种设备监督检验所 | Threaded self-locking Quick release device |
| CN113567099A (en) * | 2021-07-13 | 2021-10-29 | 江苏省特种设备安全监督检验研究院 | Dynamic simulation test system and test method for anti-falling device of lifting protection platform |
| CN113567099B (en) * | 2021-07-13 | 2023-09-08 | 江苏省特种设备安全监督检验研究院 | Dynamic simulation test system and test method for anti-falling device of lifting protection platform |
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