CN2820813Y - Lift steel cable brake - Google Patents
Lift steel cable brake Download PDFInfo
- Publication number
- CN2820813Y CN2820813Y CN 200520090751 CN200520090751U CN2820813Y CN 2820813 Y CN2820813 Y CN 2820813Y CN 200520090751 CN200520090751 CN 200520090751 CN 200520090751 U CN200520090751 U CN 200520090751U CN 2820813 Y CN2820813 Y CN 2820813Y
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- CN
- China
- Prior art keywords
- slipper
- elevator
- plate
- slide shaft
- wire rope
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to an elevator cable wire brake, which comprises a cable wire gripper mechanism, a trigger mechanism and a hold reset mechanism. The gripper mechanism is composed of a keep plate 1, a keep plate 2 and link arms, wherein the keep plate 1 is connected to knee plate, the keep plate 2 is arranged parallelly to the keep plate 1 and the link arms are arranged on two sides of the two keep plates. An elevator cable wire passes through the keep plate 1, the keep plate 2 and the gripper mechanism, one end of each of two link arms is hinged with a slide shaft of a force application mechanism in the knee plate and the other end of each of the two link arms is hinged with the keep plate 2. The slide shaft is pushed and connected by an energy storage disk spring of the force application mechanism, and the slide shaft is connected with the trigger mechanism and the hold reset mechanism through the knee plate. When the utility model is triggered, a trigger spring pushes the keep plate 1 to form frictional self-lock and pushes the slide shaft to compress an energy storage spring. Simultaneously, the keep plate 2 is pulled for realizing clamping. The utility model has the advantages of simple structure, low cost and small appearance size and the utility model is easy to produce and install. The cable wire brake can generate a large enough and safe enough acting force for braking an overspeed elevator, the cable wire brake not only can be arranged on a newly arranged elevator, but also can be used for the technical innovation of an existing elevator.
Description
(1) technical field
The utility model relates to a kind of elevator wire rope drg.
(2) background technology
Usually the brake equipment of car has only descending automatic brake device, does not have protection device for over-speed ascending.Along with the rush to summit generation of accident of elevator all over the world, various countries have formulated the safety standard about up-running over-speed protection, and beginning development and production ascending for elevator automatic brake device.
(3) summary of the invention
The purpose of this utility model provides a kind of elevator wire rope drg, according to the regulation of safety standard, makes it when ascending for elevator exceeds the speed limit, and can carry out gradual braking, implements up-running over-speed protection, realizes low-cost deceleration stop overspeed lift.
The technical solution of the utility model: elevator wire rope drg, comprise steel rope clamping mechanism, trigger mechanism and hold reset mechanism, it is characterized in that: by the slipper of putting into the both sides side plate two that is connected slipper one on the set square, be arranged in parallel with slipper one, and the link arm composition clamping device of two slipper both sides, elevator wire rope is from passing between them.The force application mechanism slide shaft is hinged in two link arms, one end and the set square, and the other end and slipper two are hinged.Slide shaft is tied by the energy storage dish spring top of force application mechanism, and has connected trigger mechanism and hold reset mechanism by set square.When being triggered, make it form friction self-locking, promote slide shaft compressed energy-storage dish spring, spur slipper two simultaneously and realize clamping by triggering spring to promote slipper one.
Above-mentioned energy storage dish spring has two groups, lays respectively at the trigger mechanism both sides, is connected with set square by slide shaft; Or more groups, lay respectively at set square both sides and centre.
The distance of above-mentioned slipper two and link arm axle is according to the elevator wire rope adjustment of different-diameter.
Be fixed with the friction material liner plate on above-mentioned slipper one and the slipper two relative surfaces.
Above-mentioned trigger mechanism is by being connected the compression spring on the set square and constituting with set square bonded assembly electromagnet by triggering axle by triggering axle, and compression spring discharges and promotes slipper one, transmits the outage that the elevator overspeed signal relies on electromagnet.
Above-mentioned clamping device is that the slipper one and the slide shaft that are connected on the set square reach by link arm and slide shaft bonded assembly slipper two compositions.Achieve friction self-locking by trigger mechanism by promoting slipper one, promote slide shaft compressed energy-storage dish spring, spur slipper two simultaneously and realize clamping.
Above-mentioned hold reset mechanism is by forming with set square bonded assembly electromagnet by triggering axle, and it promptly is the source that keeps compression triggering spring force, is again the source of reset force.In addition, described Bringing-back mechanism also can adopt the screw reset mechanical return, is the hinged screw shaft of square shaft that is fixed on the side plate, and rotary screw axle pulling triggering axial compression resets after contracting and triggering spring.
Above-mentioned set square has one or more, is the part that connects trigger mechanism, hold reset mechanism, clamping device and directly or indirectly connect slipper, can be around three axle rotations.
Above-mentioned side plate outer lower portion is fixed with and extraneous bonded assembly stay bearing plate, and stay bearing plate is provided with tie bolt.
The utlity model has following advantage: this steel wire braking is simple in structure, and cost is lower, and overall dimensions are little, and as a discrete assembly in the whole ladder of elevator, is easy to make and install, and also is easy to do type test before installing on the elevator.When elevator had a power failure, this steel wire braking can be used as the assurance that prevents the up slide car of lift car; This steel wire braking can produce an application force enough big, safety and brake up overspeed lift; In the Bringing-back mechanism by urgent electric operation or move car downwards by jiggering and make slipper break away from clamped condition, then by the electromagnet power-on-reset.Moreover, the installation site of this steel wire braking is flexible, can be installed in (Fig. 1: installation site 2) on the ground drg frame of machine room under the track adjusting wheel, perhaps oppositely be installed in (Fig. 1: installation site 3) below the cage side girder steel, can be installed in also on the machine frame between traction sheave and the track adjusting wheel that (Fig. 1: installation site 1), its setting angle can be done corresponding the variation along with the angle of steel rope between traction sheave and track adjusting wheel.When being applicable to the ascending for elevator overspeed, machine frame or the braking of this device on drg frame elevator wire rope by means of being installed in the elevator(lift) machine room can be installed in and can use easily again on the new clothes elevator on the technological change of existing elevator.
(4) description of drawings
Fig. 1 is that steel wire braking is provided with scheme drawing in elevator(lift) machine room;
Fig. 2 is the front view of steel wire braking;
Fig. 3 is the cutaway view of A-A line among Fig. 4;
Fig. 4 is that Fig. 2 removes the B of cover plate to view;
Fig. 5 is the cutaway view of C-C line among Fig. 2.
Wherein: 1-steel wire braking, 2-traction sheave, 3-machine frame or bearing beam, 4-track adjusting wheel, 5-car, 6-steel rope, 7-counterweight, 8-dish spring axle, 9-set square, 10-side plate, 11-stay bearing plate, 12-tie bolt, 13-rotating shaft bolt, 14-link arm, 15-slide shaft, 16-electromagnet, 17-trigger spring, 18-spring shaft, 19-triggering axle, 20-slipper one, 21-slipper two, 22-energy storage dish spring, 23-friction material liner plate.
(5) specific embodiment
Embodiment: the utility model installation site as shown in Figure 1, the setting of steel wire braking 1 in elevator(lift) machine room can be installed in any one in graphic three positions.In elevator hoistways, make perpendicular movement by an end suspension craning cab 5 of steel rope 6 along car guide rail, begin upwards to enter machine room from here always and walk around traction sheave 2.Pass steel wire braking 1 (at installation site 1) then, also go out machine room downwards extends to counterweight 7 tops always to walk around track adjusting wheel 4 again, and counterweight 7 is made perpendicular movement along the counterweight guide rail.
Fig. 2 is the front view of drg.Steel wire braking 1 fixedly is to be fixed on machine frame or bearing beam 3 or the drg frame by stay bearing plate 11 in machine room.The side plate 10 of steel wire braking couples together with stay bearing plate 11 by a rotating shaft bolt 13 and two tie bolts 12, two long arc-shaped holes are arranged on stay bearing plate 11, two tie bolts 12 can slide within it, therefore this steel wire braking around the shaft bolt 13 rotate a certain angle, to adapt to different steel rope angles of inclination.Slipper 1 and slipper 2 21 all are rectangular plates, and a removable friction material liner plate 23 is all arranged above them, and this friction material has the suitable friction coefficient that is used for brake wire 6.Slipper 1 floats, and slipper 2 21 is mounted in the U type opening in the side plate 10.
Fig. 3 is the cutaway view of the A-A line among Fig. 4.Comprise hold reset mechanism, trigger mechanism and clamping device.Set square 9 can be around slide shaft 15 rotations, and slide shaft 15 is connected with slipper 2 21 by link arm 14, forms a steel rope clamping mechanism, and steel rope 6 is from passing between them.On two or more sets dish spring axles 8 of connection slide shaft 15 force application element of energy storage dish spring 22 as clamping device arranged.Another angle of set square is connected with slipper 1 by bearing pin.The 3rd angle of set square is connected with trigger mechanism by triggering axle 19.Connecting has the spring of triggering 17 as triggering force application element on two or more sets spring shafts 18 that trigger axle 19.Equally, be connected with hold reset mechanism by triggering axle 19.Connect the electromagnet 16 that triggers axle 19 and have the effect that maintenance steel wire braking 1 is in non-operating position.When resetting, electromagnet 16 stretchies trigger axle 19 drive slippers 1 makes steel wire braking 1 recover non-operating position.Break away from need at clamped condition, discharge by swivel nut on dish spring axle 8.
After electromagnet 16 outages, trigger spring 17 and discharge promotion set square 9 around slide shaft 15 rotations, make the steel rope 6 in slipper one 20 contact movements, utilize the motion of steel rope 6 to implement friction self-locking, promote slide shaft 15 then, compressed energy-storage dish spring 22 on the one hand, implement to clamp thereby spur link arm 14 pulling slippers 2 21 on the other hand.At first eliminate two slippers and, clamp steel rope 6 then, rely on the friction between slipper and the steel rope to reach the purpose that makes hypervelocity car deceleration stop by the gap between the steel rope 6 between them.When steel rope has the wearing and tearing of moderate finite deformation or friction material liner plate 23 very big, can adjust distance between slipper and the steel rope at shimming on the slipper 2 21, also can adjust steel wire braking with the method and adapt to different wirerope diameters.
Fig. 4 represents that steel wire braking shown in Figure 2 removes A behind the cover plate to view.Trigger on the axle 19 and connected two or more groups spring shaft 18.The spring 17 of triggering is arranged on spring shaft 18.Trigger on the axle 19 and connected electromagnet 16 equally.Trigger axle 19 set square 9, spring shaft 18, electromagnet 16 are linked together, and all can be around triggering axle 19 rotations.
The cutaway view of B-B line in Fig. 5 presentation graphs 2 has connected two or more groups dish spring axle 8 on the slide shaft 15, energy storage dish spring 22 is arranged on dish spring axle 8.Connected link arm 14 on slide shaft 15 equally, link arm 14 other ends have connected slipper 2 21.Slide shaft 15 links together set square 9, dish spring 8, link arm 14, and all can be around slide shaft 15 rotations.Slide shaft 15 can slide in the chute of side plate 10, relies on the chute guiding.
Claims (8)
1, a kind of elevator wire rope drg, comprise steel rope clamping mechanism, trigger mechanism and hold reset mechanism, it is characterized in that: by the slipper of putting into both sides side plate (10) two (21) that is connected slipper one (20) on the set square (9), be arranged in parallel with slipper one, and the link arm of two slipper both sides (14) composition clamping device; Two link arms (14) one ends and the interior force application mechanism slide shaft of set square (9) (15) are hinged, and the other end and slipper two (21) are hinged; Slide shaft (15) is tied by energy storage dish spring (22) top of force application mechanism, and has connected trigger mechanism and hold reset mechanism by set square (9).
2, elevator wire rope drg as claimed in claim 1 is characterized in that: described energy storage dish spring (22) has two groups, lays respectively at the trigger mechanism both sides, is connected with set square (9) by slide shaft (15).
3, elevator wire rope drg as claimed in claim 1 is characterized in that: described energy storage dish spring (22) lays respectively at trigger mechanism both sides and centre more than two groups, is connected with set square (9) by slide shaft (15).
4, elevator wire rope drg as claimed in claim 1 is characterized in that: be fixed with friction material liner plate (23) on described slipper one (20) and slipper two (21) opposite faces.
5, elevator wire rope drg as claimed in claim 1 is characterized in that: described trigger mechanism is by being connected the triggering spring (17) on the set square (9) and constituting with set square (9) bonded assembly electromagnet (16) by triggering axle (19).
6, elevator wire rope drg as claimed in claim 1 is characterized in that: described Bringing-back mechanism is a screw reset mechanism, by the hinged screw shaft of the square shaft on the side plate.
7, elevator wire rope drg as claimed in claim 1 is characterized in that: described side plate (10) outer lower portion is fixed with and extraneous bonded assembly stay bearing plate (11), and stay bearing plate (11) is provided with tie bolt.
8, elevator wire rope drg as claimed in claim 7 is characterized in that: the bolt on the described stay bearing plate (11) comprises a rotating shaft bolt (13) and two tie bolts that slide (12) in long arc-shaped holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520090751 CN2820813Y (en) | 2005-05-12 | 2005-05-12 | Lift steel cable brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520090751 CN2820813Y (en) | 2005-05-12 | 2005-05-12 | Lift steel cable brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2820813Y true CN2820813Y (en) | 2006-09-27 |
Family
ID=37017363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520090751 Expired - Fee Related CN2820813Y (en) | 2005-05-12 | 2005-05-12 | Lift steel cable brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2820813Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879136A (en) * | 2019-02-19 | 2019-06-14 | 浙江省特种设备检验研究院 | Emergency staircase |
-
2005
- 2005-05-12 CN CN 200520090751 patent/CN2820813Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879136A (en) * | 2019-02-19 | 2019-06-14 | 浙江省特种设备检验研究院 | Emergency staircase |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060927 Termination date: 20110512 |