CN204265167U - A kind of slipper and be equipped with the traction sheave safety guard of this slipper - Google Patents
A kind of slipper and be equipped with the traction sheave safety guard of this slipper Download PDFInfo
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- CN204265167U CN204265167U CN201420693597.8U CN201420693597U CN204265167U CN 204265167 U CN204265167 U CN 204265167U CN 201420693597 U CN201420693597 U CN 201420693597U CN 204265167 U CN204265167 U CN 204265167U
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- slipper
- brake
- voussoir
- rubber block
- brake scotch
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Abstract
Slipper and be equipped with the traction sheave safety guard of this slipper, belongs to safety protection apparatus for elevator technical field.Described slipper comprises voussoir and brake scotch, described brake scotch is provided with brake rubber block, it is characterized in that: the upper and lower of described brake scotch in the side, side towards voussoir and extend upper side wall and lower wall along its length, middle part hub setting between upper side wall and lower wall has an axis of rolling, and the described axis of rolling can roll and realize the movement of brake scotch opposing cleats on the fitting surface of voussoir towards brake scotch side.Advantage: connection and reasonable arrangement between each part of slipper, compact overall structure, easy for installation, cost is low, is equipped with the safety guard of this slipper to realize bi-directional braking.
Description
Technical field
The utility model belongs to the safety guard technical field of elevator, is specifically related to a kind of slipper, and relates to the traction sheave safety guard being equipped with this slipper.
Background technology
Elevator is the indispensable vertical transport instrument of high-rise, and safety is that it is basic.When lift car abnormal running (such as lift car hypervelocity or car door when opening car leave floor ground), contingent danger has: personnel are extruded, clash into and fall, shear; Car still continues after arriving top layer or bottom to travel (rush to summit or squat at the end); Car speeding or fall because disconnected rope causes.So in order to prevent the generation of these accidents, elevator standard specifies: special safety device must be installed on elevator, such as overspeed protection device ━ ━ velocity limiter, safety tongs; Over-travel fender guard ━ ━ forces speed reducing switch, terminal limit switch; To rush to summit (at the bottom of crouching) fender guard ━ ━ energy disperser; Door safety guard ━ ━ layer door lock and gate electric interlocking and door anti-pinch people device.
According to the requirement of standard, except clamping the safety tongs of guide rail, can also install the wire holder of the switch block of rapid stop traction sheave, rapidly stop steel rope, rapidly stop counterweight or direct stop car safety tongs, these parts all for the direct or indirect stop car when lift car abnormal running to prevent from meeting accident.Wherein, slipper is the vitals of braking motion parts on safety protection apparatus for elevator, and car fender guard generally has one piece or two pieces of slipper parts, slipper parts is equipped with the brake rubber block of braking motion parts.The structure of slipper is no lack of and is seen in published Chinese patent literature, as Chinese invention patent Authorization Notice No. CN102431866B, name is called " a kind of safety catch be clamped on the traction sheave of towing machine ", disclose a kind of one-way brake safety catch with the first caliper and the second caliper, described second caliper comprises slide block assembly and guide, described slide block assembly comprises slide block and the second friction lining, this slide block assembly by slide block grafting over the guide, guide comprises voussoir, pressing plate and roller row, voussoir is fixedly mounted in support seat, slide block opposing cleats is moved and is realized by roller row.Such as the one " bi-directional braking safety tongs " that Chinese invention patent application publication No. CN103663037A provides, it comprises structure and the identical left detent of shape and right detent, described detent to be rolled with needle roller panel seat by needle roller bearing plate and is coordinated, and needle roller panel seat is fixedly connected on housing.For example Chinese utility model patent Authorization Notice No. CN201494982U " a kind of Novel safety tongs " recommended again, it comprises mobile voussoir and sliding wedge, sliding wedge is fixedly connected with, and mobile voussoir is by velocity limiter control action, and it is coordinated with sliding wedge by roller row.Be not difficult to find out from above-mentioned published prior art: the block with brake rubber block generally was all arranged roller to realize by one with coordinating between hard-wired block; the complex structure of roller row own; install loaded down with trivial details; safety guard needs to arrange the structure of installing roller row, and in addition, row's roller can only complete slidably reciprocating of a direction; to realize slidably reciprocating of both direction; two row's rollers can only be installed, both increase cost like this, increase operation again.
In view of above-mentioned existing problems, be necessary to be improved the slipper structure in the safety guard of traction sheave on existing urgent stop elevator towing machine.For this reason, the applicant has done actively actv. exploration, finally defines technical scheme described below.
Summary of the invention
Top priority of the present utility model to provide a kind of slipper, connection and reasonable arrangement between its each parts, and compact overall structure, easy for installation, cost is low.
Another task of the present utility model to provide a kind of traction sheave safety guard being equipped with this slipper, and it can realize bi-directional braking, and makes the technique effect of slipper be able to comprehensive embodiment.
For having embodied top priority, technical scheme provided by the utility model is: a kind of slipper, this slipper comprises voussoir and brake scotch, described brake scotch is provided with brake rubber block, it is characterized in that: the upper and lower of described brake scotch in the side, side towards voussoir and extend upper side wall and lower wall along its length, middle part hub setting between upper side wall and lower wall has an axis of rolling, and the described axis of rolling can roll and realize the movement of brake scotch opposing cleats on the fitting surface of voussoir towards brake scotch side.
In a specific embodiment of the present utility model, described voussoir is wide, the middle narrow double inclined plane symmetric wedge in two ends.
In another specific embodiment of the present utility model, described fitting surface by two ends be parallel to brake rubber block face two sections of planes and from centre two ends gradually to brake scotch direction tilt V-shaped face form.
In another specific embodiment of the present utility model, described fitting surface is the V-shaped face that two ends tilt to brake scotch direction gradually from centre.
In another specific embodiment of the present utility model, described voussoir is integrated part or split splice.
Also have in a specific embodiment of the present utility model, be set in parallel each other between described upper side wall and described lower wall.
In an of the present utility model and then specific embodiment, the two ends of described voussoir offer through hole, and install anchor shaft in through hole, anchor shaft is provided with rolling member towards one end of brake scotch.
More of the present utility model and in a specific embodiment, the two ends of described voussoir offer through hole, install anchor shaft in through hole, anchor shaft is provided with antifriction-bearing box towards one end of brake scotch.
For having embodied another task, technical scheme provided by the utility model has been: a kind of traction sheave safety guard, comprising:
A pair slipper parts, comprises the first slipper being provided with the first brake rubber block and the slipper being provided with brake rubber block;
Mount pad, the first described slipper and slipper are installed on mount pad, and the first described brake rubber block and brake rubber block are placed in the both sides of traction sheave, and described brake rubber block can along moving with the direction of traction sheave axes of rotation skew;
Slipper actuation component, described slipper actuation component is installed on mount pad, makes the first brake rubber block and brake rubber block clamp traction sheave for triggering slipper;
Support, described support is fixedly installed on tractor stand, and described mount pad opposite brackets can move;
It is characterized in that: described slipper comprises voussoir and brake scotch, described voussoir is fixedly installed on mount pad, the upper and lower of described brake scotch in the side, side towards voussoir and extend upper side wall and lower wall along its length, middle part hub setting between upper side wall and lower wall has an axis of rolling, and the described axis of rolling can roll and realize the movement of brake scotch opposing cleats on the fitting surface of voussoir towards brake scotch side.
In an again of the present utility model and then specific embodiment; described safety guard also includes a pair extension spring; one end of described extension spring is connected with brake scotch, the other end is connected with mount pad, and a pair extension spring is arranged on the both sides of brake scotch symmetrically, for balancing brake watt.
The utility model is due to after employing said structure, one of advantage had, mutually mobilely between brake scotch and voussoir to be realized by the rolling of an axis of rolling, the axis of rolling is by bearing hub setting on brake scotch, and the operation that the operation of installing bearing and the axis of rolling comparatively installs roller row is simple.
Advantage two, voussoir are wide, the middle narrow double inclined plane symmetric wedge in two ends; the axis of rolling can be selected to move to the wherein side of voussoir according to the sense of motion of movable parts; brake scotch is made to brake traction sheave, so be equipped with the safety guard of this slipper to realize bi-directional braking.
Advantage three, voussoir are inserted in brake scotch, and the rolling member on brake scotch rolls on the fitting surface of voussoir, and the bearing on voussoir rolls on the sidewall of brake scotch, the interphase interaction of brake scotch and voussoir, and reach steady movement, reasonable structural arrangement is compact.
Accompanying drawing explanation
Fig. 1 is the block diagram of slipper described in the utility model.
Fig. 2 is the birds-eye view of traction sheave safety guard described in the utility model when discharging traction sheave.
Fig. 3 is the part sectional view of Fig. 2.
Fig. 4 is the birds-eye view of traction sheave safety guard described in the utility model when braking traction sheave.
In figure: 10. traction sheave; 100. support; 200. mount pad; 300. first slipper, 310. disc springs, 340. first brake rubber blocks; 400. slipper, 410. voussoirs, 411. fitting surfaces, 420. brake scotch, 421. upper side walls, 422. lower wall, 430. brake rubber block fixed frames, 440. brake rubber blocks, 450. axis of rolling, 460. extension springs, 470. anchor shafts, 480. antifriction-bearing boxs, 490. balancing plugs; 500. slipper actuation component, 580. actuators; 600. switch blocks, 610. safety switchs, 620. switch actuating sheets.
Detailed description of the invention
Applicant will elaborate below by way of example by reference to the accompanying drawings, but not all the restriction to technical solutions of the utility model to the description of embodiment, any according to being only pro forma but not substantial equivalent transformation and all should being considered as the technical solution of the utility model category done by the utility model design.
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4; a kind of slipper 400 be installed on traction sheave safety guard; described safety guard level is arranged in tractor stand (not shown), is positioned at the below of traction sheave 10, and described slipper 400 also level is installed.Described safety guard comprises the support 100 be fixedly installed on tractor stand, to be installed on support 100 and the moveable mount pad 200 of opposite brackets 100, slipper 400, the first slipper 300 of traction sheave is jointly braked with slipper 400, impel the slipper actuation component 500 of two slipper actions, described slipper 400 and the first slipper 300 level are installed on mount pad 200, the first described slipper 300 includes the first brake rubber block 340 being in traction sheave side, be installed on the disc spring 310 between the first brake rubber block 340 and mount pad 200, described slipper actuation component 500 comprises actuator 580, described slipper 400 comprises voussoir 410, brake scotch 420, brake rubber block fixed frame 430, be in the brake rubber block 440 of traction sheave opposite side, the axis of rolling 450 and extension spring 460.In the present embodiment, prioritizing selection first brake rubber block 340 is placed in the left side of traction sheave 10, and brake rubber block 440 is placed in the right side of traction sheave 10.
Described brake rubber block 440 and brake rubber block fixed frame 430 are bonded together, and brake rubber block fixed frame 430 has flanging, flanging has through hole.Described brake scotch 420 has the tapped bore coaxial with the through hole of brake rubber block fixed frame 430, brake rubber block fixed frame 430 to be coated on brake scotch 420 by flanging and to be bolted on brake scotch 420 just to the side of traction sheave 10, be bonded in brake rubber block 440 on brake rubber block fixed frame 430 corresponding with the right flank of traction sheave 10 and both be set in parallel.
Described voussoir 410 is bolted and is installed on the mount pad 200 of traction sheave safety guard; voussoir 410 is fitting surface 411 towards the side, side of brake scotch 420; wide in two ends, the middle narrow double inclined plane symmetric wedge of voussoir 410; concrete, in the present embodiment, voussoir 410 is parallel to two sections of planes in brake rubber block face towards the fitting surface 411 of brake scotch 420 side by two ends and two ends tilt to brake scotch 420 direction gradually from centre V-shaped face is formed.Described voussoir 410 can be processed by monoblock integral piece, and also can be spliced by polylith split part, in the present embodiment, prioritizing selection is processed by monoblock integral piece.Voussoir 410 is provided with towards the both sides, front and back of the fitting surface 411 of brake scotch 420 side the anchor shaft 470 extended towards brake scotch 420, anchor shaft 470 is provided with rolling member towards one end of brake scotch 420, and in the present embodiment, rolling member is preferably antifriction-bearing box 480.So brake scotch 420 can move forward or backward along voussoir 410.
The upper and lower of described brake scotch 420 in the side, side towards voussoir 410 and extend upper side wall 421 and lower wall 422 along its length, is set in parallel between described upper side wall 421 and described lower wall 422 each other.Described voussoir 410, anchor shaft 470 and antifriction-bearing box 480 probe in the space of upper side wall 421 and lower wall 422 formation.Described upper side wall 421 offers vertical through hole respectively accordingly with the middle part of lower wall 422, the axis of rolling 450 is had by bearing hub setting in through hole, can roll and realize brake rubber block 440 along the direction parallel motion with traction sheave axes of rotation skew in the middle part of antifriction-bearing box 450 on the fitting surface 411 of voussoir 410, simultaneously antifriction-bearing box 480 rolls and realizes brake scotch 420 and coordinate with the stable rolling of voussoir 410 on upper side wall 421 and lower wall 422.
One end of described extension spring 460 is connected with brake scotch 420, the other end is connected with the mount pad 200 of safety guard, and extension spring 460 is two and symmetry is arranged on the both sides of brake scotch 420.Described upper side wall 421 is also provided with balancing plug 490; the effect of extension spring 460 and balancing plug 490 keeps the steadily movement of brake scotch 420 opposing cleats 410; namely keep the side of the relative traction sheave 10 of brake rubber block 440 to be set in parallel, and play the effect of auxiliary reset when safety guard resets.
Described traction sheave safety guard also includes switch block 600, and this switch block 600 comprises safety switch 610 and switch actuating sheet 620, and safety switch 610 is installed on mount pad 200, and switch actuating sheet 620 is installed on brake scotch 420.
Please continue to refer to Fig. 1 to Fig. 4, describe principle of work of the present utility model: when elevator device detects that improper motion occurs car, control the action of slipper actuation component 500, the actuator 580 of slipper actuation component 500 promotes the axis of rolling 450 of slipper 400, then promote brake scotch 420 to move to traction sheave 10 direction, when brake rubber block 440 contacts with the right flank of traction sheave, the right flank of brake rubber block 440 pairs of traction sheaves 10 has an initial pressure, if traction sheave 10 continues to move forwards or backwards, suppose in the present embodiment that traction sheave 10 travels forward, initial friction braking force is produced between traction sheave 10 and brake rubber block 440, this initial friction braking force drives brake rubber block 440 to move forward along the fitting surface 411 of voussoir 410, due to voussoir fitting surface 411 by two ends be parallel to brake rubber block face two sections of planes and from centre two ends gradually to brake scotch 420 direction tilt V-shaped face form, in moving process, the brake scotch 420 installing brake rubber block 440 is subject to voussoir 410 thrust left, but due to the existence of traction sheave 10, voussoir 410 can only move right with mount pad 200 opposite brackets 100 because being subject to the antagonistic force of brake scotch 420, first slipper 300 also moves right along with mount pad 200, the first brake rubber block 340 on first slipper 300 is more and more close to the left surface of traction sheave 10, when the moment that the first brake rubber block 340 contacts with the left surface of traction sheave, if brake rubber block 440 does not also have stop traction sheave 10, so traction sheave 10 continues to drive brake rubber block 440 to move forward, mount pad 200 continues to move right, but because the first brake rubber block 340 is pressed against on the left surface of traction sheave 10, the first brake rubber block 340 is caused to move right, so disc spring 310 is by pressurized, until make to produce enough friction force between the first brake rubber block 340 and the two sides of brake rubber block 440 and traction sheave 10 and clamp traction sheave 10 firmly due to the effect of disc spring 310 and actuation component 500, make lift car stop motion, people in guarantee lift car or the safety of article.The moment of brake rubber block 440 movement is driven at described initial friction braking force; switch actuating sheet 620 on brake scotch 420 touches safety switch 610; safety switch 610 cuts off elevator safety loop, and safety guard keeps emergency braking condition before artificial brake off always.
Claims (10)
1.
a kind of slipper, this slipper (400) comprises voussoir (410) and brake scotch (420), described brake scotch (420) is provided with brake rubber block (440), it is characterized in that: upper in the side, side towards voussoir (410) of described brake scotch (420), below and extend upper side wall (421) and lower wall (422) along its length, middle part hub setting between upper side wall (421) and lower wall (422) has an axis of rolling (450), the described axis of rolling (450) can realize the movement of brake scotch (420) opposing cleats (410) towards upper rolling of fitting surface (411) of brake scotch (420) side at voussoir (410).
2.
a kind of slipper according to claim 1, is characterized in that wide in two ends, the middle narrow double inclined plane symmetric wedge of described voussoir (410).
3.
a kind of slipper according to claim 1, it is characterized in that described fitting surface (411) by two ends be parallel to brake rubber block face two sections of planes and from centre two ends gradually to brake scotch (420) direction tilt V-shaped face form.
4.
a kind of slipper according to claim 1, is characterized in that described fitting surface (411) is the V-shaped face that two ends tilt to brake scotch (420) direction gradually from centre.
5.
a kind of slipper according to claim 1, is characterized in that described voussoir (410) is integrated part or split splice.
6.
a kind of slipper according to claim 1, is characterized in that being set in parallel each other between described upper side wall (421) and described lower wall (422).
7.
a kind of slipper according to claim 1, it is characterized in that the two ends of described voussoir (410) offer through hole, install anchor shaft (470) in through hole, anchor shaft (470) is provided with rolling member towards one end of brake scotch (420).
8.
a kind of slipper according to claim 1, it is characterized in that the two ends of described voussoir (410) offer through hole, install anchor shaft (470) in through hole, anchor shaft (470) is provided with antifriction-bearing box (480) towards one end of brake scotch (420).
9.
a kind of traction sheave safety guard, comprising:
a pair slipper parts, comprises the first slipper (300) being provided with the first brake rubber block (340) and the slipper (400) being provided with brake rubber block (440);
mount pad (200), described the first slipper (300) and slipper (400) are installed on mount pad (200), described the first brake rubber block (340) and brake rubber block (440) are placed in the both sides of traction sheave (10), and described brake rubber block (440) can along moving with the direction of traction sheave axes of rotation skew;
slipper actuation component (500), described slipper actuation component (500) is installed on mount pad (200), makes the first brake rubber block (340) and brake rubber block (440) clamp traction sheave (10) for triggering slipper;
support (100), described support (100) is fixedly installed on tractor stand, and described mount pad (200) opposite brackets (100) can move;
it is characterized in that: described slipper (400) adopts slipper as claimed in claim 1, it comprises voussoir (410) and brake scotch (420), described voussoir (410) is fixedly installed on mount pad (200), upper in the side, side towards voussoir (410) of described brake scotch (420), below and extend upper side wall (421) and lower wall (422) along its length, middle part hub setting between upper side wall (421) and lower wall (422) has an axis of rolling (450), the described axis of rolling (450) can realize the movement of brake scotch (420) opposing cleats (410) towards upper rolling of fitting surface (411) of brake scotch (420) side at voussoir (410).
10.
traction sheave safety guard according to claim 9; characterized by further comprising a pair extension spring (460); one end of described extension spring (460) is connected with brake scotch (420), the other end is connected with mount pad (200); a pair extension spring (460) is arranged on the both sides of brake scotch (420) symmetrically, for balancing brake watt (420).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693597.8U CN204265167U (en) | 2014-11-18 | 2014-11-18 | A kind of slipper and be equipped with the traction sheave safety guard of this slipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693597.8U CN204265167U (en) | 2014-11-18 | 2014-11-18 | A kind of slipper and be equipped with the traction sheave safety guard of this slipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204265167U true CN204265167U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420693597.8U Active CN204265167U (en) | 2014-11-18 | 2014-11-18 | A kind of slipper and be equipped with the traction sheave safety guard of this slipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204265167U (en) |
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2014
- 2014-11-18 CN CN201420693597.8U patent/CN204265167U/en active Active
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