CN107445006A - A kind of oblique elevator safety tongs experimental rig and test method - Google Patents

A kind of oblique elevator safety tongs experimental rig and test method Download PDF

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Publication number
CN107445006A
CN107445006A CN201710769689.8A CN201710769689A CN107445006A CN 107445006 A CN107445006 A CN 107445006A CN 201710769689 A CN201710769689 A CN 201710769689A CN 107445006 A CN107445006 A CN 107445006A
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CN
China
Prior art keywords
safety tongs
oblique frame
carrying
oblique
guide rail
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Granted
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CN201710769689.8A
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Chinese (zh)
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CN107445006B (en
Inventor
杜海军
秦健聪
杨建荣
戴冲
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Dongnan Elevator Co Ltd
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Dongnan Elevator Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087Devices facilitating maintenance, repair or inspection tasks
    • B66B5/0093Testing of safety devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0018Devices monitoring the operating condition of the elevator system
    • B66B5/0031Devices monitoring the operating condition of the elevator system for safety reasons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/02Guideways; Guides

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  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The invention discloses a kind of oblique elevator safety tongs experimental rig and test method, experimental rig includes base (2), telescoping mechanism (3), lifting device (5), carry oblique frame (8), balance weight assembly (9), guide assembly (11), angle detector (15) and acceleration detection instrument (17), guide assembly (11) inclination angle is adjusted by telescoping mechanism (3), lifted by lifting device (5) to carrying oblique frame (8), the inclination angle of guide assembly (11) is detected by angle detector (15), the acceleration for carrying oblique frame (8) is detected by acceleration detection instrument (17).By assembling experimental rig, the inclination angle for adjusting guide assembly, adjustment carries the position of oblique frame, the oblique frame of carrying freely slides, repeats the step of experiment, checking experiment device, realizes the analysis of experiments to safety tongs braking ability under different loading capacity and angle of inclination.The data validity and accuracy that the present invention obtains are high.

Description

A kind of oblique elevator safety tongs experimental rig and test method
Technical field
The present invention relates to a kind of safety tongs experimental rig and test method, specifically a kind of oblique elevator safety tongs experiment dress Put and test method, belong to elevator brake part studying technological domain.
Background technology
Safety tongs is the safety guard of elevator, is under the manipulation of limiter of speed, when elevator speed exceedes elevator speed limit The limitation speed of device setting, or in the case where fracture and relaxation occur for suspension strop, by the urgent stop of car and it is clamped in guide rail On a kind of safety device, its safe operation to elevator provides effective protective effect.Oblique elevator is under specific environment For transporting passengers or the toter of goods, its by steel wire rope or chain suspension, and along with horizontal plane angle be 15 °~ 75 ° of guide rail, which is run on, to be limited in path, completes the lifting of diagonal shape track.Relative to vertical lift, the operation of oblique elevator Environment is more complicated, and therefore, during the safe clamp brake of oblique elevator, the stress of safety tongs is more complicated, the requirement to subtracting acceleration Also it is more strict.At present, the safety tongs braking ability analysis for oblique elevator is substantially complete by the way of theoretical calculation Into, what the existing experiment for elevator safety gear braking ability was also carried out only for vertical lift, it can not be applied to oblique The safety tongs braking ability analysis of row elevator, therefore it is difficult to ensure that the requirement of oblique elevator safety tongs.
The content of the invention
For problems of the prior art, the present invention provides a kind of oblique elevator safety tongs experimental rig and experiment side Method, it can realize that diagonal elevator safety gear braking ability is analyzed under different diagonal angles, draws safety tongs braking acceleration curve, To analyze the performance of safety tongs.The present invention is easily operated, and obtained data accuracy is high.
To achieve these goals, the technical scheme is that:A kind of oblique elevator safety tongs experimental rig, including bottom Seat, telescoping mechanism, lifting device, carrying oblique frame, balance weight assembly, guide assembly, angle detector and acceleration detection instrument, it is described Guide assembly lower end and base be hinged;One end of described telescoping mechanism is hinged with base, the other end and guide assembly are hinged; Described guide assembly includes two parallel safety tongs guide rails of the two parallel main bearing guide rails in left and right and left and right, two safety It is between two main bearing guide rails and in parallel to clamp guide rail;The oblique frame of described carrying includes governor rope, the oblique frame master of carrying Lead boots, the oblique frame girders of the parallel carrying in left and right two, left and right two parallel safety tongs beam, safety tongs and limiter of speeds, two peaces Full pincers beam is between two oblique frame girders of carrying and in parallel;Safety tongs described in two is separately mounted to two safety tongs Liang Shang, the position of two safety tongs are corresponding with two safety tongs guide rails;In safety tongs beam and carry on oblique frame girder provided with connection Motivation structure, link gear one end are connected with safe clipper joint, the other end with described limiter of speed;Described governor rope successively around Limiter of speed pinch roller, limiter of speed, another limiter of speed pinch roller are crossed, its both ends is separately fixed at main bearing guide rail upper and lower ends;Even number The individual main oblique frame of carrying leads boots and is symmetrically located on the oblique frame girder lower surface of carrying, coordinates with main bearing guide rail rolling friction; Described balance weight assembly, which is arranged on, to be carried on oblique frame;Described lifting device is located on base, is wound on the roller of lifting device There is rope, rope free end is connected around after the leading block group on guide assembly with carrying oblique frame;Described angle inspection Instrument is surveyed to be located on guide assembly;Described acceleration detection instrument is located on the oblique frame of carrying;
Further, described guide assembly also include buffer, support beam under guide assembly, safety tongs guide rail beam, Tie-beam and leading block group bottom girder under guide rail, under described guide assembly support beam both ends respectively with two main bearing guide rails End is fixedly connected;Tie-beam is set spaced reciprocally under guide rail described in several, and tie-beam both ends are respectively with two under guide rail The main bearing guide rail of root is fixedly connected;Safety tongs guide rail beam described in several is set spaced reciprocally, safety tongs guide rail beam Both ends press close at the load-bearing surface edge of a wing to be fixedly connected with two main bearing guide rails respectively;The lower end of safety tongs guide rail and set of rails Support beam is fixedly connected under part, and lower surface is fixedly connected with all safety tongs guide rail beams;Described leading block group bottom girder Upper end of the both ends respectively with two main bearing guide rails is fixedly connected;Carrying table of the two described main bearing guide rails close to bottom A buffer box is respectively provided with face, described buffer is arranged on buffer box;
Further, the oblique frame of described carrying also includes the oblique frame sill of carrying, the oblique frame pair of carrying leads boots, safety tongs guide rail Boots, the oblique frame entablature of carrying and detacher are led, the oblique frame sill both ends of described carrying are leaned on two oblique frame girders of carrying respectively Connected at nearly lower end, the oblique frame entablature both ends of described carrying are connected with two oblique frame girders of carrying by place near to the upper end respectively;Two Root safety tongs beam top and bottom are connected with carrying oblique frame entablature and the oblique frame sill of carrying respectively;Carrying described in even number Oblique frame pair is led boots and is symmetrically located on the oblique frame girder of carrying, and its roller is matched somebody with somebody with the lower surface rolling friction of the main bearing guide rail edge of a wing Close;The end of two safety tongs guide rails is respectively provided with a safety tongs guide rail and leads boots, and safety tongs guide rail is led boots and led with safety tongs guide rail Coordinate to face;Described detacher is connected on the oblique frame of carrying, and the free end of rope is connected with detacher;
Further, described experimental rig also includes limiting buffer seat, and limiting buffer seat is located on base, positioned at flexible Between mechanism and lifting device and guide rail assembly lower end tilts;
Further, described experimental rig also includes angle mark post, and angle mark post is vertically located on base close to guide rail At component lower end;
Further, between governor rope and limiter of speed lower connecting rod, or in governor rope and limiter of speed upper connecting rod Between be provided with speed limit rope tensioning spring;
Further, described telescoping mechanism is hydraulic cylinder or electric cylinder.
A kind of oblique elevator safety tongs test method, comprises the following steps:
1) experimental rig is assembled;According to described experimental rig structure by experimental rig assemble and by base with it is horizontal Ground is fixedly connected, during assembling, the initial weight needed for the quantity to experiment for the balancing weight for adjusting balance weight assembly;Check, change Limiter of speed is the limiter of speed of experiment normal speed;Acceleration detection instrument and angle detector has been fixedly mounted in debugging;Check and break off relations Device and the connection for carrying oblique frame and rope;
2) inclination angle of guide assembly is adjusted;Adjust the length of telescoping mechanism so that between guide assembly and horizontal plane Angle changes until the numerical value that angle detector or angle mark post are shown is the angle needed for experiment;
3) adjustment carries the position of oblique frame;Lifting device is driven, it is oblique that carrying is adjusted by the rope on scrolling roller Position of the frame on guide assembly to precalculated position;
4) oblique frame is carried freely to slide;Detacher is triggered, the oblique frame of carrying is lost the pulling force of rope, carries oblique frame and leading Freely slid on rail assembly, when slip velocity exceedes the setting value of limiter of speed, limiter of speed action, and lifted by link gear Pincers block in safety tongs, it is allowed to be clamped on safety tongs guide rail;Acceleration detection instrument records the acceleration of whole process;
5) repeat to test;Oblique frame will be carried to reconnect with rope, the weight and/or change for changing balance weight assembly are led The angle of inclination of rail assembly, carry out repeating experiment, obtain that counterweight is different and guide rail angle of inclination under different conditions multigroup plus Speed data, and data are further analyzed with arrangement, to analyze each to performance of safety tongs;
6) checking experiment device;After experiment, telescoping mechanism is adjusted, makes the angle of inclination of guide assembly minimum, it is spacing Annex of the buffing pad to guide assembly and thereon is supported, and whole experimental rig is overhauled, in case next time is to different Safety tongs carries out testing experiment.
Guide assembly and base are hinged by the present invention, and telescoping mechanism both ends are hinged with base and guide assembly respectively, real Having showed angle between guide assembly and horizontal plane can arbitrarily be adjusted, and meet the simulation that oblique elevator is possible to diagonal angle; The weight of balance weight assembly on oblique frame is carried by adjusting, the different loading capacity of oblique elevator can be simulated;It is real by lifting device The up-downgoing of the oblique frame of carrying is showed, by the setting angle detector on guide assembly, has realized to guide assembly inclination angle Detection, by setting acceleration detection instrument on oblique frame is carried, realize the detection to carrying oblique frame acceleration.Tested by assembling Device, the inclination angle for adjusting guide assembly, adjustment carries the position of oblique frame, the oblique frame of carrying freely slides, repeats experiment, maintenance examination The step of experiment device, realize the braking ability test point to diagonal elevator safety gear under different loading capacity and differing tilt angles Analysis.The present invention is easily operated, and obtained data validity and accuracy is high, has important actual directive significance.
Brief description of the drawings
Fig. 1 is the three dimensional structure diagram of the present invention;
Fig. 2 is the front view of the present invention.
Fig. 3 is the top view of the present invention.
Fig. 4 is the front view of the guide assembly of the present invention.
Fig. 5 is the top view of the guide assembly of the present invention.
Fig. 6 is the front view of the oblique frame of carrying of the present invention.
Fig. 7 is the top view of the oblique frame of carrying of the present invention.
In figure:1st, hinged seat one, 2, base, 3, telescoping mechanism, 4, limiting buffer seat, 5, lifting device, 6, rope, 7, Leading block group, 8, the oblique frame of carrying, 9, balance weight assembly, 10, mounting seat, 11, guide assembly, 12, hinged seat two, 13, angle mark Bar, 14, hinged seat three, 15, angle detector, 16, hinged seat four, 17, acceleration detection instrument, 18, detacher, 19, bearing pin one, 20th, bearing pin two, 201, buffer box, 202, buffer, 203, support beam under guide assembly, 204, main bearing guide rail, 205, peace Full pincers guide rail beam, 206, safety tongs guide rail, 207, tie-beam under guide rail, 208, leading block group bottom girder, 801, under speed limit rope Connecting rod, 802, governor rope, 803, the oblique frame of carrying dominate boots, 804, the oblique frame sill of carrying, 805, the oblique frame pair of carrying lead boots, 806th, carry oblique frame girder, 807, safety tongs beam, 808, safety tongs, 809, link gear, 810, safety tongs guide rail lead boots, 811, Speed limit rope upper connecting rod, 812, limiter of speed, 813, limiter of speed pinch roller, 814, speed limit rope tensioning spring, 815, horizontal on the oblique frame of carrying Beam, 816, the oblique frame axis pin base of carrying, 817, bearing pin three.
Embodiment
(above-below direction and left and right directions and electricity in following description are further described to the present invention below in conjunction with accompanying drawing Above-below direction during ladder operation is identical with left and right directions, and the direction away from reader is a left side in Fig. 2).
As shown in Figures 1 to 7, a kind of oblique elevator safety tongs experimental rig, including base 2, telescoping mechanism 3, lifting dress Put 5, carry oblique frame 8, balance weight assembly 9, guide assembly 11, angle detector 15 and acceleration detection instrument 17, on described base 2 Provided with hinged seat 1, the described lower end of guide assembly 11 is provided with hinged seat 2 12, and the lower end of guide assembly 11 and base 2 pass through a left side Right direction is be hinged through the bearing pin 2 20 of hinged seat 1 and hinged seat 2 12;Described base 2 is provided with hinged seat 3 14, institute The guide assembly 11 stated is provided with hinged seat 4 16, and one end of telescoping mechanism 3 passes through the pin of hinged seat 3 14 by left and right directions Axle 1 and base 2 is be hinged, the other end is by left and right directions through hinged seat 4 16 another bearing pin 1 and guide assembly 11 is be hinged, and telescoping mechanism can be left and right two, be easy to balance to share guide assembly 11 and the thereon gravity of annex, tie measurement Fruit is more accurate;Described guide assembly 11 includes two parallel peaces of the two parallel main bearing guide rails 204 in left and right and left and right Full pincers guide rail 206, two safety tongs guide rails 206 are between two main bearing guide rails 204 and in parallel;Described carrying is oblique Frame 8 is put down including governor rope 802, the leading boots 803 of the oblique frame of carrying, the oblique frame girder 806 of the two parallel carryings in left and right, left and right two Capable safety tongs beam 807, safety tongs 808 and limiter of speed 812, two safety tongs beams 807 positioned at two oblique frame girders 806 of carrying it Between and it is in parallel;Safety tongs 808 described in two is separately mounted on two safety tongs beams 807, the position of two safety tongs 808 Put corresponding with two safety tongs guide rails 206;Link gear 809 is provided with safety tongs beam 807 and the oblique frame girder 806 of carrying, Link gear 809 can use existing link gear, the one end of link gear 809 is connected with safety tongs 808, the other end with it is described Limiter of speed 812 connect;Described governor rope 802 is successively around limiter of speed pinch roller 813, limiter of speed 812, another limiter of speed Pinch roller 813, its both ends are separately fixed at the speed limit rope upper connecting rod 811 and speed limit rope for being located at the main upper and lower ends of bearing guide rail 204 On lower connecting rod 801;The oblique frame of the main carrying of even number lead boots 803 be symmetrically located on the oblique lower surface of frame girder 806 of carrying, with The main rolling friction of bearing guide rail 204 coordinates, for bearing to carry the normal direction weight of oblique frame 8 and its annex;Described balance weight assembly 9 It is arranged on and is carried on oblique frame 8 by mounting seat 10, own total weight can be adjusted by adjusting the quantity of balancing weight;Described carries Rise device 5 to be located on base 2, rope 6 is wound with the roller of lifting device 5, the free end of rope 6 bypasses guide assembly 11 On leading block group 7 after be connected with carrying oblique frame 8, up, the descending action of oblique frame 8, leading block group 7 are carried for realizing It is located on the left and right directions median plane for carrying oblique frame 8 and stablizes low operation up or down without swinging to ensure to carry oblique frame 8;Institute The angle detector 15 stated is located on guide assembly 11, for detecting the angle of inclination of guide assembly;Described acceleration detection Instrument 17 is located on the oblique frame 8 of carrying, carries the acceleration and output accelerating curve of oblique frame 8 when safety tongs 808 is braked for detecting.
As shown in Figure 1, Figure 4 and Figure 5, described guide assembly 11 also includes support beam under buffer 202, guide assembly 203rd, tie-beam 207 and leading block group bottom girder 208 under safety tongs guide rail beam 205, guide rail, support under described guide assembly The both ends of beam 203 are fixedly connected with two main bottoms of bearing guide rail 204 respectively;The phase of tie-beam 207 under guide rail described in several Mutually it is positioned apart from, the both ends of tie-beam 207 are fixedly connected with two main bearing guide rails 204 respectively under guide rail;Described in several Safety tongs guide rail beam 205 is set spaced reciprocally, the both ends of safety tongs guide rail beam 205 respectively with two main bearing guide rails 204 press close at the load-bearing surface edge of a wing to be fixedly connected;Support beam 203, which is fixed, under the lower end of safety tongs guide rail 206 and guide assembly connects Connect, lower surface is fixedly connected with all safety tongs guide rail beams 205;The described both ends of leading block group bottom girder 208 respectively with The upper end of two main bearing guide rails 204 is fixedly connected, for fixed guide assembly pulley 7;Two described main bearing guide rails 204 are leaned on A buffer box 201 is respectively provided with the load-bearing surface of nearly bottom, described buffer 202 is arranged on buffer box 201. Such a structure had both been easy to the making of guide assembly 11, and and can ensures the intensity of guide assembly 11, is easy to test.Simultaneous buffering device 202 can prevent the braking not yet in effect of safety tongs 808 cause to carry oblique frame 8 skid off guide assembly 11 cause it is dangerous and experimental rig Damage.
As shown in Fig. 1, Fig. 6 and Fig. 7, the oblique frame 8 of described carrying also includes carrying oblique frame sill 804, the oblique frame pair of carrying Lead boots 805, safety tongs guide rail leads boots 810, carries oblique frame entablature 815 and detacher 18, the oblique frame sill 804 of described carrying Both ends are connected with two oblique frame girders 806 of carrying at lower end respectively, the oblique both ends of frame entablature 815 of described carrying respectively with Two oblique frame girders 806 of carrying connect by place near to the upper end;Two top and bottom of safety tongs beam 807 are respectively with carrying horizontal stroke on oblique frame Beam 815 and the oblique frame sill 804 of carrying connect;The structure that the oblique main body of frame 8 is the vertical beam of two crossbeam two is carried, is both easy to process, again It is easy to annex to install;The oblique frame pair of carrying described in even number is led boots 805 and is symmetrically located on the oblique frame girder 806 of carrying, its Roller coordinates with the main edge of a wing lower surface rolling friction of bearing guide rail 204, for preventing that carrying oblique frame 8 topples;Two safety tongs are led The end of rail 206 is respectively provided with a safety tongs guide rail and leads boots 810, and safety tongs guide rail leads boots 810 and the spigot surface of safety tongs guide rail 206 Coordinate, for limiting the free degree carried on the oblique left and right directions of frame 8, prevent from carrying oblique frame 8 and swinging influenceing measurement data Accuracy;Described detacher 18 is connected to carrying tiltedly by left and right directions through the bearing pin 3 817 for carrying oblique frame axis pin base 816 On frame 8, the free end of rope 6 is connected with detacher 18, and detacher 18 may be used to carry oblique frame 8 with lifting device 5 certainly It is dynamic to depart from, avoid artificial depart to increase experiment difficulty.
As shown in Figure 1 to Figure 3, described experimental rig also includes limiting buffer seat 4, and limiting buffer seat 4 is located at base 2 On, between telescoping mechanism 3 and lifting device 5 and the lower end of guide rail assembly 11 tilts, and limiting buffer seat 4 can be left and right two It is individual, it is corresponding with the position of two main bearing guide rails 204 respectively;Limiting buffer seat 4 is used for limiting the minimum folder of guide assembly 11 Angle, position limitation protection effect was both played, and avoided because telescoping mechanism 3 breaks down guide assembly 11 being caused to directly fall on base 2 There is danger, and can provides mechanical support to alleviate telescoping mechanism 3 under the non-test state of experimental rig or under inspecting state Pressure.
As shown in Figure 1 to Figure 3, described experimental rig also includes angle mark post 13, and angle mark post 13 is vertically located at base 2 At the upper close lower end of guide assembly 11;For detecting the angle between guide assembly 11 and horizontal plane, examined with angle detector 15 The angle of inclination of the guide assembly 11 of survey is mutually confirmed, with the accuracy of guarantee test result.
Between governor rope 802 and limiter of speed lower connecting rod 801, or in governor rope 802 and limiter of speed upper connecting rod Speed limit rope tensioning spring 814 is provided between 811, for providing tensile force, the authenticity of guarantee test data for governor rope 802 And accuracy.
Described telescoping mechanism 3 is hydraulic cylinder or electric cylinder, can directly buy and carry out installation experiment, and stability ratio Preferably, violent authenticity, the accuracy stirred, ensure that test data will not be produced when carrying the rapidly whereabouts of oblique frame.
A kind of oblique elevator safety tongs test method, comprises the following steps:
1) experimental rig is assembled;Experimental rig is assembled and by base 2 and water according to the structure of described experimental rig Plane earth is fixedly connected, and during assembling, adjusts the quantity of balancing weight of balance weight assembly 9 to testing required initial weight;Check, more Change limiter of speed of the limiter of speed 812 for experiment normal speed;Acceleration detection instrument 17 and angle detector 15 has been fixedly mounted in debugging; Check that detacher 18 is reliably connected and can smoothly broken off relations with carrying the connection of oblique frame 8 and rope 6, guarantee;
2) inclination angle of guide assembly 11 is adjusted;Adjust the length of telescoping mechanism 3 so that guide assembly 11 and horizontal plane it Between angle change until the numerical value that angle detector 15 or angle mark post 13 are shown is the angle needed for experiment;
3) adjustment carries the position of oblique frame 8;Lifting device 5 is driven, carrying is adjusted by the rope 6 on scrolling roller Oblique position of the frame 8 on guide assembly 11 to precalculated position;
4) oblique frame 8 is carried freely to slide;Set out detacher 18, the oblique frame 8 of carrying is lost the pulling force of rope 6, and carrying is oblique Frame 8 freely slides on guide assembly 11, and when slip velocity exceedes the setting value of limiter of speed 812, limiter of speed 812 acts, and Pincers block in safety tongs 808 is lifted by link gear 809, is allowed to be clamped on safety tongs guide rail 206;If safety tongs does not have Stop is imitated, the oblique meeting cushion at collision 202 of frame 8 is carried and rests on the bottom of guide assembly 11;Acceleration detection instrument 17 records whole The acceleration of individual process;
5) repeat to test;Oblique frame 8 will be carried to reconnect with rope 6, change the weight of balance weight assembly 9 and/or change Become the angle of inclination of guide assembly 11, carry out repeating experiment, obtain that counterweight is different and guide rail angle of inclination under different conditions Multigroup acceleration information, and data are further analyzed with arrangement, to analyze each to performance of safety tongs 808;
6) checking experiment device;After experiment, telescoping mechanism 3 is adjusted, makes the angle of inclination of guide assembly 11 minimum, limit 4 pairs of guide assemblies of bit buffering seat and annex thereon are supported, and whole experimental rig is overhauled, in case next time is to difference Safety tongs 808 carry out testing experiment.

Claims (8)

  1. A kind of 1. oblique elevator safety tongs experimental rig, it is characterised in that:Including base (2), telescoping mechanism (3), lifting device (5) oblique frame (8), balance weight assembly (9), guide assembly (11), angle detector (15) and acceleration detection instrument (17), institute, are carried Guide assembly (11) lower end stated and base (2) are be hinged;One end of described telescoping mechanism (3) is hinged with base (2), the other end It is be hinged with guide assembly (11);Described guide assembly (11) includes the two parallel main bearing guide rails (204) in left and right and left and right Two parallel safety tongs guide rails (206), two safety tongs guide rails (206) between two main bearing guide rails (204) and with Its is parallel;The oblique frame of described carrying (8) includes governor rope (802), the oblique frame of carrying dominates boots (803), left and right two is parallel Carry oblique frame girder (806), the two parallel safety tongs beams (807) in left and right, safety tongs (808) and limiter of speed (812), two peaces Full pincers beam (807) is between two oblique frame girders (806) of carrying and in parallel;Safety tongs (808) described in two is respectively On two safety tongs beams (807), the position of two safety tongs (808) is corresponding with two safety tongs guide rails (206); Safety tongs beam (807) and the oblique frame girder (806) of carrying are provided with link gear (809), link gear (809) one end and safety tongs (808) connection, the other end are connected with described limiter of speed (812);Described governor rope (802) bypasses limiter of speed pinch roller successively (813), limiter of speed (812), another limiter of speed pinch roller (813), its both ends are separately fixed at main bearing guide rail (204) up and down two End;The oblique frame of the main carrying of even number lead boots (803) be symmetrically located on oblique frame girder (806) lower surface of carrying, with main carrying Guide rail (204) rolling friction coordinates;Described balance weight assembly (9), which is arranged on, to be carried on oblique frame (8);Described lifting device (5) It is located on base (2), rope (6) is wound with the roller of lifting device (5), rope (6) free end bypasses guide assembly (11) the leading block group (7) on is connected with carrying oblique frame (8) afterwards;Described angle detector (15) is located at guide assembly (11) On;Described acceleration detection instrument (17) is located on the oblique frame (8) of carrying.
  2. 2. a kind of oblique elevator safety tongs experimental rig according to claim 1, it is characterized in that:Described guide assembly (11) also including tie-beam under support beam (203), safety tongs guide rail beam (205), guide rail under buffer (202), guide assembly (207) and leading block group bottom girder (208), support beam (203) both ends are led with two main carryings respectively under described guide assembly Rail (204) bottom is fixedly connected;Tie-beam (207) is set spaced reciprocally under guide rail described in several, is connected under guide rail Beam (207) both ends are fixedly connected with two main bearing guide rails (204) respectively;Safety tongs guide rail beam (205) described in several Set spaced reciprocally, load-bearing surface is pressed close in the both ends of safety tongs guide rail beam (205) with two main bearing guide rails (204) respectively It is fixedly connected at the edge of a wing;The lower end of safety tongs guide rail (206) is fixedly connected with support beam under guide assembly (203), lower surface with All safety tongs guide rail beams (205) are fixedly connected;Held respectively with two masters at described leading block group bottom girder (208) both ends The upper end for carrying guide rail (204) is fixedly connected;Two described main bearing guide rails (204) respectively set on the load-bearing surface of bottom There is a buffer box (201), described buffer (202) is arranged on buffer box (201).
  3. 3. a kind of oblique elevator safety tongs experimental rig according to claim 1 or 2, it is characterized in that:Described carrying is oblique Frame (8) also includes the oblique frame sill (804) of carrying, the oblique frame pair of carrying leads boots (805), safety tongs guide rail leads boots (810), carrying is oblique Frame entablature (815) and detacher (18), oblique frame sill (804) both ends of described carrying carry oblique frame girders with two respectively (806) connected at lower end, oblique frame entablature (815) both ends of described carrying carry oblique frame girders (806) with two respectively Connected by place near to the upper end;Two safety tongs beam (807) top and bottom are respectively with carrying oblique frame entablature (815) and the oblique frame of carrying Sill (804) connects;The oblique frame pair of carrying described in even number leads boots (805) and is symmetrically located at the oblique frame girder of carrying (806) on, its roller coordinates with the rolling friction of main bearing guide rail (204) edge of a wing lower surface;The end of two safety tongs guide rails (206) Portion is respectively provided with a safety tongs guide rail and leads boots (810), and safety tongs guide rail is led boots (810) and matched somebody with somebody with safety tongs guide rail (206) spigot surface Close;Described detacher (18) is connected on the oblique frame (8) of carrying, and the free end of rope (6) is connected with detacher (18).
  4. 4. a kind of oblique elevator safety tongs experimental rig according to claim 3, it is characterized in that:Described experimental rig is also Including limiting buffer seat (4), limiting buffer seat (4) is located on base (2), between telescoping mechanism (3) and lifting device (5) And guide rail assembly (11) lower end tilts.
  5. 5. a kind of oblique elevator safety tongs experimental rig according to claim 4, it is characterized in that:Described experimental rig is also Including angle mark post (13), angle mark post (13) is vertically located on base (2) at guide assembly (11) lower end.
  6. 6. a kind of oblique elevator safety tongs experimental rig according to claim 5, it is characterized in that:In governor rope (802) Between limiter of speed lower connecting rod (801), or speed limit is provided between governor rope (802) and limiter of speed upper connecting rod (811) Rope tensioning spring (814).
  7. 7. a kind of oblique elevator safety tongs experimental rig according to claim 6, it is characterized in that:Described telescoping mechanism (3) it is hydraulic cylinder or electric cylinder.
  8. 8. a kind of oblique elevator safety tongs test method, it is characterised in that comprise the following steps:
    1) experimental rig is assembled;According to described experimental rig structure by experimental rig assemble and by base (2) with it is horizontal Ground is fixedly connected, and during assembling, the quantity of the balancing weight of regulation balance weight assembly (9) is to testing required initial weight;Check, more Change limiter of speed of the limiter of speed (812) for experiment normal speed;Acceleration detection instrument (17) and angle detection has been fixedly mounted in debugging Instrument (15);Check detacher (18) with carrying the connection of oblique frame (8) and rope (6);
    2) inclination angle of guide assembly (11) is adjusted;Adjust the length of telescoping mechanism (3) so that guide assembly (11) and horizontal plane Between angle change until the numerical value that angle detector (15) or angle mark post (13) are shown is the angle needed for experiment;
    3) adjustment carries the position of oblique frame (8);Lifting device (5) is driven, is held by the rope (6) on scrolling roller to adjust Carry position to precalculated position of the oblique frame (8) on guide assembly (11);
    4) oblique frame (8) is carried freely to slide;Detacher (18) is triggered, the oblique frame of carrying (8) is lost the pulling force of rope (6), holds Oblique frame (8) is carried freely to slide on guide assembly (11), when slip velocity exceedes the setting value of limiter of speed (812), limiter of speed (812) act, and the pincers block in safety tongs (808) is lifted by link gear (809), be allowed to be clamped in safety tongs guide rail (206) on;Acceleration detection instrument (17) records the acceleration of whole process;
    5) repeat to test;Oblique frame (8) and rope (6) will be carried to reconnect, the weight of change balance weight assembly (9) and/or Change the angle of inclination of guide assembly (11), carry out repeating experiment, obtain the condition that counterweight is different and guide rail angle of inclination is different Under multigroup acceleration information, and data are further analyzed with arrangement, to analyze each tropism of safety tongs (808) Energy;
    6) checking experiment device;After experiment, telescoping mechanism (3) is adjusted, makes the angle of inclination of guide assembly (11) minimum, limit The annex of bit buffering seat (4) to guide assembly and thereon is supported, and whole experimental rig is overhauled, in case next time is not to Same safety tongs (808) carries out testing experiment.
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CN112158700A (en) * 2020-10-26 2021-01-01 上海工程技术大学 Testing device for safety tongs of high-speed elevator and application method thereof
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CN111268528A (en) * 2020-01-20 2020-06-12 武汉港迪电气传动技术有限公司 Method for detecting performance of anti-falling safety device of construction elevator
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CN113135479A (en) * 2021-04-13 2021-07-20 日立楼宇技术(广州)有限公司 Elevator braking component testing system and method
CN113636428A (en) * 2021-06-29 2021-11-12 东南电梯股份有限公司 Device for preventing cage main guide shoe wheel of diagonal elevator from deforming

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