CN2717919Y - Braker for elevator upward - Google Patents
Braker for elevator upward Download PDFInfo
- Publication number
- CN2717919Y CN2717919Y CN 200420072253 CN200420072253U CN2717919Y CN 2717919 Y CN2717919 Y CN 2717919Y CN 200420072253 CN200420072253 CN 200420072253 CN 200420072253 U CN200420072253 U CN 200420072253U CN 2717919 Y CN2717919 Y CN 2717919Y
- Authority
- CN
- China
- Prior art keywords
- elevator
- spring
- voussoir
- connecting panel
- wedge blocks
- Prior art date
- 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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Abstract
The utility model provides a braker for elevator upward which relates to a braker used when the elevator is overspeed during going upwardly, comprising a base frame, upper and lower wedge blocks which are arranged inside the base frame. A pair of upper wedge blocks are arranged symmetrically on two sides of a steel cable; a pair of connecting plates are arranged symmetrically in right and left on the outer sides of the two upper wedge block. The two connecting plates are respectively sleeved on a left guiding column and a right guiding column and can drive the two upper wedge blocks to move transversely and vertical along the guiding columns. A counter pulling spring rod and a stopping rod are connected between the two connecting plates. The two upper wedge blocks are provided with back linings. A pair of lower wedge blocks are arranged symmetrically in right and left on two sides of a steel cable on the lower part of the upper wedge blocks. The outer sides of the two lower wedge blocks are provided with a left baffle plate and a right baffle plate; a sliding rail of the lower wedge blocks is arranged between the left and the right baffle plates. Buffer springs are arranged between the baffle plates and the wedge blocks. The braker for elevator upward has the advantages of simple structure, safe braking, reliability, convenient installation, easy use and convenient maintenance.
Description
Technical field:
The utility model ascending for elevator drg relates to the safety device that plays brake action when a kind of elevator overspeed travels, particularly relate to the drg that uses when a kind of ascending for elevator exceeds the speed limit, the utility model also can use on other equipment that utilize steel rope to lift by crane, transport.
Prior art:
Mostly existing elevator speed limiting brake is that employing prevents the unidirectional safety tongs that elevator overspeed is descending, it only plays unidirectional speed limit effect, according to new elevator safety standard: requirement must be provided with up speed limiting brake, for satisfying the new criteria requirement, the compound type safety tongs by elevator rail stop occurred, this compound type safety tongs structure is complicated, installation, maintenance is also easy inadequately.
Summary of the invention:
For avoiding the deficiencies in the prior art part, the utility model provides a kind of novel elevator up drg, and it can satisfy the requirement of elevator new criteria, and has simple in structure, brake safe, reliable characteristics, and it is also convenient to install and use maintenance.
The utility model is realized by following technical measures, it is by pedestal with on being arranged in the pedestal, lower wedge block is formed, the steel rope that traction elevator is used passes from the pedestal center, pedestal is by top board, base plate and be arranged on top board and base plate between a left side, the guidepost of right symmetric arrangement is formed, the last voussoir of a pair of formation wedge head is symmetrically arranged in the steel rope both sides, the a pair of connecting panel voussoir outside that is symmetrically arranged on two, last voussoir and connecting panel are fixed, two connecting panels are set in a left side, on the right guidepost, on the guidepost of connecting panel bottom, be with spring, spring plays the support and connection plate, connecting panel can drive with its fixing last voussoir and do laterally and vertical motion along guidepost, between two connecting panels, be connected with drawing spring bar and stop bar, on the inboard opposite of voussoir the brake bush that the obvolvent steel rope is used be housed on two; The lower wedge block in a pair of formation wedge road is symmetrically arranged in steel rope both sides, last voussoir bottom, the outside at two lower wedge blocks is provided with left baffle, left baffle is fixed on the pedestal base plate, slide rail is housed between the left baffle, lower wedge block is installed on the slide rail, two lower wedge blocks are made slide in opposition along slide rail in last voussoir wedging lower wedge block process, also are provided with recoil spring between baffle plate and voussoir, and recoil spring makes voussoir mild wedging in the lower wedge block in dropping process.
The lower wedge block described in the utility model outside is provided with projecting shaft, and projecting shaft stretches in the release nut of baffle plate middle part setting, and recoil spring is enclosed within on the projecting shaft, and the one end withstands on the lower wedge block side, and the other end withstands on the release nut end face.
Described in the utility model to drawing spring bar to form by spring bar and sleeve, be with spring on the spring bar, the end that spring bar is with spring penetrates in the sleeve, the other end is fixed with connecting panel wherein, spring one end withstands on the termination of spring bar, the other end withstands on the sleeve inner end surface, sleeve and another piece connecting panel are fixed, spring bar and sleeve are under the spring force effect, inwardly to drawing, two connecting panels are driven with its fixing last voussoir inwardly move, but because the stop of stop bar can't be moved it.Described stop bar is made up of strut and jumping hook, strut one end is fixed with connecting panel wherein, the other end withstands on the jumping hook that is arranged on another piece connecting panel, jump on the hook push rod is housed, electromagnetic switch is housed on the push rod, and when electromagnetic switch was opened, push rod jack-up was jumped hook, make and jump hook disengaging strut, strut just can lose supporting role.
The utility model also is equipped with the toggle that resets between two connecting panels, after the drg braking, spur the toggle that resets drg is resetted.Recoil spring described in the utility model is other springs such as disk spring or coil spring.
The mounting hole of connecting panel described in the utility model and guidepost is a waist shaped hole, and waist shaped hole can be made laterally and vertical motion connecting panel along guidepost.
Its working process of the utility model is as follows:
Owing between two connecting panels, be equipped with to drawing spring bar, the spring bar and the sleeve that draw spring bar are fixed with every connecting panel respectively, under the spring force effect, spring bar and sleeve are inwardly to drawing, make two connecting panels drive respectively that voussoir inwardly moves on two, because the stop bar of being made up of strut and jumping hook also is housed on two connecting panels, under the support power effect of strut, make that two connecting panels can't be to central motion, it is inoperative that be arranged on two the brake bush between the voussoir this moment, and the steel rope that makes traction elevator use can pass through brake bush smoothly; When elevator speed surpasses command speed, by the up switch motion of bidirectional speed limiter for elevator, under the effect of apparatus for controlling elevator, the electromagnetic switch action, make and jump hook disengaging strut, stop was lost efficacy, this moment, two connecting panels were to drawing under the spring bar effect, drive two voussoirs respectively to its central motion, brake bush is held the steel rope that traction elevator is used tightly, under rope traction on voussoir glide along guidepost together with connecting panel, in the last voussoir wedging lower wedge block, make the steel rope stop motion,, make and go up voussoir mild wedging in the lower wedge block in dropping process because recoil spring is equipped with in the lower wedge block side, overcome the effect of impulsive force, reach the effect of reliable gradual braking elevator, the release nut on the turn baffle plate reduces the elastic force of recoil spring, two lower wedge blocks are further separated, voussoir is under the effect of pilot bar spring force on two, and upward movement breaks away from lower wedge block, spurs the toggle that resets drg is resetted.
The utlity model has simple in structure, brake safe, reliable characteristics, it is also convenient to install and use maintenance.
Description of drawings:
Accompanying drawing 1 is the utility model front view.
Accompanying drawing 2 is the utility model constructional drawing.
Accompanying drawing 3 is the utility model A-A cutaway view.
Accompanying drawing 4 is the B-B cutaway view of the utility model along the stop bar transversal surface.
Accompanying drawing 5 is the utility model C-C cutaway view.
The utility model is described in further detail below in conjunction with accompanying drawing:
Specific embodiment:
As accompanying drawing 1, accompanying drawing 2, shown in accompanying drawing 3 and the accompanying drawing 4, the utility model is by pedestal 1 and the last voussoir 2 that is arranged in the pedestal, lower wedge block 3 is formed, the steel rope S that traction elevator is used passes from the pedestal center, pedestal is by top board 1-1, base plate 1-2 and be arranged on top board and base plate between a left side, four guideposts 4 of right symmetric arrangement are formed, last voussoir 2 its wedge surfaces of a pair of formation wedge head outwards are symmetrically arranged in the steel rope both sides, going up voussoir for two fixes with a pair of connecting panel that is symmetrically arranged 5 in its outside respectively, connecting panel is [font, last voussoir is fixed on [on the vertical plate of font connecting panel by screw 6, [respectively have a pair of waist shaped hole 7 on the transverse plate up and down of font connecting panel, two connecting panels are set in a left side by waist shaped hole, on right four guideposts, on the guidepost of connecting panel bottom, all be with spring 8, spring plays the support and connection plate, connecting panel can drive with its fixing last voussoir and do laterally and vertical motion along guidepost, each two 4 of be arrangeding in parallel are to drawing spring bar 9 before and after being connected with between two connecting panels, each 1 two stop bar 10 that be arranged in parallel before and after between two connecting panels, also being connected with, form by spring bar 91 and sleeve 92 drawing spring bar 9, be with spring 93 on the spring bar, the end that spring bar is with spring penetrates in the sleeve, the other end and left connecting panel are fixed, spring one end withstands on the termination of spring bar, the other end withstands on the sleeve inner end surface, sleeve and right connecting panel are fixed, spring bar and sleeve are under the spring force effect, inwardly to drawing, two connecting panels are driven with its fixing last voussoir inwardly move, but because the stop of stop bar can't be moved it.Described stop bar is made up of strut 101 and jumping hook 102, strut one end and right connecting panel are fixed, the other end passes left connecting panel and withstands in the jumping hook that is provided with on the left connecting panel 102, jumps on the hook 102 push rod 103 is housed, and electromagnetic switch 104 is equipped with in the push rod bottom, when electromagnetic switch is opened, push rod jack-up is jumped hook, makes to jump hook disengaging strut, and strut just can lose supporting role, the brake bush 11 that the obvolvent steel rope is used is housed on the opposite on two between the voussoir, and brake bush 11 usefulness screws are fixed on the voussoir.The toggle 15 that resets also is housed between two connecting panels, and the toggle 15 that resets is formed with left and right connecting plates pivotally attached connecting rod respectively by two, and two rod hinge connections connect together, and after the drg braking, spurs the toggle that resets drg is resetted.
The lower wedge block 3 in a pair of as shown in Figure 5 composition wedge road is symmetrically arranged in steel rope both sides, last voussoir bottom, two baffle plates 12 about the outside of two lower wedge blocks is provided with, about the front and back of two baffle plates be connected with each two two pairs of slide rails 13 that be arranged in parallel, the lower wedge block front and back end is installed on the slide rail 13, slide rail is made up of the plain bearing of slide shaft and setting on it, the slide shaft two ends are separately fixed on the left baffle, left baffle is fixed by screw 14 and pedestal base plate, and pedestal is fixed on elevator traction machine base or the support beam by base plate.Two lower wedge blocks are made slide in opposition along slide rail in last voussoir wedging lower wedge block process, the lower wedge block outside is provided with projecting shaft, projecting shaft stretches in the release nut 16 of baffle plate middle part setting, dish recoil spring 17 is enclosed within on the projecting shaft, the one end withstands on the lower wedge block side, the other end withstands on the release nut end face, and recoil spring makes voussoir mild wedging in the lower wedge block in dropping process.
Claims (7)
1. ascending for elevator drg, it is made up of pedestal and the upper and lower voussoir that is arranged in the pedestal, and the steel rope that traction elevator is used passes from the pedestal center, it is characterized in that:
Pedestal by top board, base plate and be arranged on top board and base plate between the guidepost of left and right symmetric arrangement form;
The last voussoir of a pair of formation wedge head is symmetrically arranged in the steel rope both sides, the a pair of connecting panel voussoir outside that is symmetrically arranged on two, last voussoir and connecting panel are fixed, two connecting panels are set on the left and right guidepost, on the guidepost of connecting panel bottom, be with support spring, connecting panel can drive with its fixing last voussoir and do laterally and vertical motion along guidepost, is connected with between two connecting panels drawing spring bar and stop bar, on the opposite of voussoir inboard on two brake bush is housed;
The lower wedge block in a pair of formation wedge road is symmetrically arranged in steel rope both sides, last voussoir bottom, the outside at two lower wedge blocks is provided with left baffle, slide rail is housed between the left baffle, lower wedge block is installed on the slide rail, left baffle is fixed on the pedestal base plate, also is provided with recoil spring between baffle plate and voussoir.
2. ascending for elevator drg according to claim 1, it is characterized in that: described drawing spring bar to form by spring bar and sleeve, be with spring on the spring bar, the end that spring bar is with spring penetrates in the sleeve, the other end is fixed with connecting panel wherein, spring one end withstands on the termination of spring bar, and the other end withstands on the sleeve inner end surface, and sleeve and another piece connecting panel are fixed.
3. ascending for elevator drg according to claim 1, it is characterized in that: described stop bar is by strut and jump hook and forms, strut one end and wherein a connecting panel fix, the other end withstands on the jumping hook that is arranged on another piece connecting panel, jump on the hook push rod is housed, electromagnetic switch is housed on the push rod.
4. ascending for elevator drg according to claim 1, it is characterized in that: the lower wedge block outside is provided with projecting shaft, and projecting shaft stretches in the release nut of baffle plate middle part setting, and recoil spring is enclosed within on the projecting shaft, the one end withstands on the lower wedge block side, and the other end withstands on the release nut end face.
5. ascending for elevator drg according to claim 1 is characterized in that: the inside symmetric arrangement of its wedge surface of two lower wedge blocks forms the wedge road, goes up the outside symmetric arrangement of its wedge surface of voussoir for two and forms the wedge head.
6. ascending for elevator drg according to claim 1 is characterized in that: the mounting hole of described connecting panel and guidepost is a waist shaped hole.
7. ascending for elevator drg according to claim 1 is characterized in that: the toggle that resets also is housed between two connecting panels, and two of the toggles that reset are formed with left and right connecting plates pivotally attached connecting rod respectively, and two rod hinge connections connect together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420072253 CN2717919Y (en) | 2004-07-31 | 2004-07-31 | Braker for elevator upward |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420072253 CN2717919Y (en) | 2004-07-31 | 2004-07-31 | Braker for elevator upward |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2717919Y true CN2717919Y (en) | 2005-08-17 |
Family
ID=34893770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420072253 Expired - Fee Related CN2717919Y (en) | 2004-07-31 | 2004-07-31 | Braker for elevator upward |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2717919Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360414A (en) * | 2018-04-26 | 2018-08-03 | 丁超 | Road check cable |
| CN110241741A (en) * | 2019-06-04 | 2019-09-17 | 中旭建设集团有限公司 | Inspection platform on the outside of a kind of large bridge Bumper rails |
| CN112056801A (en) * | 2020-09-17 | 2020-12-11 | 宁波职业技术学院 | Intelligent lifting cabinet |
| US11235949B2 (en) | 2017-07-21 | 2022-02-01 | Otis Elevator Company | Safety device, elevator safety system and elevator system |
-
2004
- 2004-07-31 CN CN 200420072253 patent/CN2717919Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11235949B2 (en) | 2017-07-21 | 2022-02-01 | Otis Elevator Company | Safety device, elevator safety system and elevator system |
| CN108360414A (en) * | 2018-04-26 | 2018-08-03 | 丁超 | Road check cable |
| CN110241741A (en) * | 2019-06-04 | 2019-09-17 | 中旭建设集团有限公司 | Inspection platform on the outside of a kind of large bridge Bumper rails |
| CN112056801A (en) * | 2020-09-17 | 2020-12-11 | 宁波职业技术学院 | Intelligent lifting cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |