CN214114855U - Novel anti-falling safety device - Google Patents
Novel anti-falling safety device Download PDFInfo
- Publication number
- CN214114855U CN214114855U CN202023150640.0U CN202023150640U CN214114855U CN 214114855 U CN214114855 U CN 214114855U CN 202023150640 U CN202023150640 U CN 202023150640U CN 214114855 U CN214114855 U CN 214114855U
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- shell
- side wall
- centrifugal
- safety device
- connecting axle
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- 210000000078 claw Anatomy 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 4
- 230000016507 interphase Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a novel anti-falling safety device in the technical field of lifting anti-falling devices, which comprises a shell and a rotating rod, wherein the left side wall of the shell is fixedly provided with a rear end cover, the inner cavity of the rear end cover is movably provided with an unloading bolt, the inner side wall of the rear end cover is movably provided with a first fastening screw rod, the inner cavity of the shell is fixedly provided with a limiting hole, the inner cavity of the limiting hole is movably provided with a limiting switch, the lower side wall of the limiting switch is movably provided with a spring, the limiting switch is rotatably connected with the shell, the inner side wall of the shell is movably provided with a cone hub, the utility model has reasonable design, adopts threaded connection through the shell and the cover plate, thereby realizing convenient disassembly of the cover plate, additionally arranging a claw through a centrifugal brake block, thereby realizing braking of the rotating shaft, additionally arranging a friction block through the shell, thereby realizing braking of the cone hub, the gear and the guide rail are meshed through the connecting shaft.
Description
Technical Field
The utility model relates to a lift anti-falling device technical field specifically is a novel prevent weighing down breaker.
Background
The anti-falling safety device is the most important safety device in a construction elevator, and along with the development of the mechanical technology of the construction engineering, a user also puts forward higher requirements on the anti-falling safety device, and the anti-falling safety device mainly comprises a shell, a driving centrifugal braking part, a driving centrifugal speed limiting part, a tail release mechanism, a microswitch part and the like.
The anti-falling safety device of the existing construction elevator is lack of a design of an auxiliary clamping structure, so that the anti-falling safety device can slip between braking parts in the braking process, the potential safety hazard when the anti-falling safety device brakes is increased, and therefore, a novel anti-falling safety device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel prevent weighing down breaker to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel prevent weighing down breaker, includes casing and dwang, the fixed rear end cap that is provided with of left side wall of casing, the inner chamber activity of rear end cap is provided with the uninstallation bolt, the inside wall activity of rear end cap is provided with the first screw rod of setting up, the fixed spacing hole that is provided with of inner chamber of casing, the inner chamber activity in spacing hole is provided with limit switch, limit switch's lower side wall activity is provided with the spring, limit switch and casing rotate to be connected, the inside wall activity of casing is provided with the awl hub, the fixed lug that is provided with of inside wall of awl hub, the alternate department of awl hub and lug is the welding, the fixed clutch blocks that is provided with in alternate department of casing and awl hub, the clutch blocks is the toper design.
Preferably, the right side wall of the shell is fixedly provided with a front end cover, the inner side wall of the front end cover is fixedly provided with a threaded hole, the inner side wall of the threaded hole is movably provided with a second fastening screw, the inner side wall of the front end cover is movably provided with a connecting shaft, the outer side wall of the connecting shaft is movably connected with a gear, and the connecting shaft penetrates through the inner side wall of the front end cover and extends to the inner cavity of the shell.
Preferably, the middle of the connecting shaft is fixedly provided with a centrifugal seat, the outer side wall of the centrifugal seat is fixedly provided with a centrifugal brake block, the outer side wall of the centrifugal brake block is fixedly provided with a clamping jaw, and the positions between the centrifugal brake block and the centrifugal seat are connected in an elastic telescopic manner.
Preferably, the fixed claw groove that is provided with of inside wall of lug, the fixed rotation groove that is provided with in alternate department of dwang and casing, dwang and casing are connected through rotating, the claw groove is used for the rigidity to the jack catch.
Preferably, the connecting shaft, the front end cover and the cone hub are rotatably connected, the connecting shaft is in key connection with the gear, the connecting shaft is in key connection with the centrifugal seat, and the centrifugal brake block can deflect a certain angle relative to the centrifugal seat through the elastic telescopic component on the centrifugal brake block.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a rationally, adopt threaded connection through casing and apron to the realization is convenient to the dismantlement of apron, add the jack catch through centrifugal brake block, thereby realize the braking to the connecting axle, add the clutch blocks through the casing, thereby realize the braking to the awl hub, add gear and guide rail meshing through the connecting axle, thereby realize the synchronous rotation of safety hook, but adopt the design of deflection angle through centrifugal seat and centrifugal brake block, thereby realize the laminating contact of jack catch and claw groove.
Drawings
FIG. 1 is a schematic view of the main structure of a novel anti-falling safety device of the present invention;
FIG. 2 is a front view of a front cover plate of the novel anti-falling safety device of the present invention;
FIG. 3 is an enlarged view of the position of the rotating rod of the novel anti-falling safety device of the present invention;
fig. 4 is a connection schematic diagram of the claw and the claw groove of the novel anti-falling safety device of the utility model.
In the figure: 1. a housing; 2. rotating the rod; 3. a rear end cap; 4. unloading the bolts; 5. a first fastening screw; 6. a limiting hole; 7. a limit switch; 8. a spring; 9. a cone hub; 10. a friction block; 11. a bump; 12. a centrifugal brake pad; 13. a centrifugal seat; 14. a claw groove; 15. a front end cover; 16. a second fastening screw; 17. a connecting shaft; 18. a gear; 19. a threaded hole; 20. a rotating groove; 21. a claw is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a novel anti-falling safety device as shown in figures 1-4, which comprises a shell 1 and a rotating rod 2, wherein the left side wall of the shell 1 is fixedly provided with a rear end cover 3, the inner cavity of the rear end cover 3 is movably provided with an unloading bolt 4, the inner side wall of the rear end cover 3 is movably provided with a first fastening screw 5, the inner cavity of the shell 1 is fixedly provided with a limiting hole 6, the inner cavity of the limiting hole 6 is movably provided with a limiting switch 7, the lower side wall of the limiting switch 7 is movably provided with a spring 8, the limiting switch 7 is rotatably connected with the shell 1, the inner side wall of the shell 1 is movably provided with a cone hub 9, the inner side wall of the cone hub 9 is fixedly provided with a lug 11, the alternate position of the cone hub 9 and the lug 11 is welded, the alternate position of the shell 1 and the cone hub 9 is fixedly provided with a friction block 10, the friction block 10 is in a conical design, the cone hub 9 is braked by a friction block 10.
A front end cover 15 is fixedly arranged on the right side wall of the shell 1, a threaded hole 19 is fixedly arranged on the inner side wall of the front end cover 15, a second fastening screw 16 is movably arranged on the inner side wall of the threaded hole 19, a connecting shaft 17 is movably arranged on the inner side wall of the front end cover 15, a gear 18 is movably connected to the outer side wall of the connecting shaft 17, the connecting shaft 17 penetrates through the inner side wall of the front end cover 15 and extends to the inner cavity of the shell 1, and the connecting shaft and an external guide rail are kept to synchronously run through the gear 18;
a centrifugal seat 13 is fixedly arranged in the middle of the connecting shaft 17, a centrifugal brake block 12 is fixedly arranged on the outer side wall of the centrifugal seat 13, a jaw 21 is fixedly arranged on the outer side wall of the centrifugal brake block 12, the intervals between the centrifugal brake block 12 and the centrifugal seat 13 are connected through elastic expansion, and the centrifugal brake block 12 is convenient to deflect at an angle through elastic expansion design;
the inner side wall of the bump 11 is fixedly provided with a claw groove 14, the alternate positions of the rotating rod 2 and the shell 1 are fixedly provided with rotating grooves 20, the rotating rod 2 is rotatably connected with the shell 1, the claw groove 14 is used for fixing the position of a claw 21, and the claw 21 is used for braking the connecting shaft 17;
the connecting shaft 17, the front end cover 15 and the cone hub 9 are all rotationally connected, the connecting shaft 17 is in key connection with the gear 18, the connecting shaft 17 is in key connection with the centrifugal seat 13, the centrifugal brake block 12 can deflect a certain angle relative to the centrifugal seat 13 through the elastic telescopic component on the centrifugal brake block, and the cone hub 9 is driven to rotate synchronously through the connecting shaft 17.
The working principle is as follows: in the specific implementation process, when in use, the device is firstly fixed at a corresponding position on a construction elevator through an external bolt, the gear 18 is meshed with a guide rail on an external mounting rack, under the normal lifting condition, the claws 21 on the centrifugal brake blocks 12 are separated from the claw grooves 14 on the lugs 11, the elevator cannot be braked, when the elevator falls down rapidly due to faults, the connecting shaft 17 and the centrifugal seat 13 can rotate rapidly under the driving of the gear 18, so that the centrifugal brake blocks 12 rotate for a certain angle under the action of centrifugal force, the claws 21 on the centrifugal brake blocks 12 can be clamped into the claw grooves 14, the cone hub 9 is attached to the friction blocks 10 under the pushing of the centrifugal brake blocks 12, after the cone hub 9 is attached to the friction blocks 10, the friction blocks 10 can generate resistance torque on the cone hub 9 to realize the reliable braking of the cone hub 9, and after the cone hub 9 brakes can realize the reliable braking of the centrifugal seat 13 and the connecting shaft 17 through the centrifugal brake blocks 12, thereby realizing reliable braking of the device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel prevent weighing down breaker, includes casing (1) and dwang (2), its characterized in that: the rear end cover (3) is fixedly arranged on the left side wall of the shell (1), the unloading bolt (4) is movably arranged in an inner cavity of the rear end cover (3), a first fastening screw (5) is movably arranged on the inner side wall of the rear end cover (3), a limiting hole (6) is fixedly arranged in the inner cavity of the shell (1), a limiting switch (7) is movably arranged in the inner cavity of the limiting hole (6), a spring (8) is movably arranged on the lower side wall of the limiting switch (7), the limiting switch (7) is rotatably connected with the shell (1), a cone hub (9) is movably arranged on the inner side wall of the shell (1), a lug (11) is fixedly arranged on the inner side wall of the cone hub (9), the inter-phase positions of the cone hub (9) and the lug (11) are welded, a friction block (10) is fixedly arranged on the inter-phase positions of the shell (1) and the cone hub (9), the friction block (10) is of conical design.
2. The novel fall arrest safety device according to claim 1, wherein: the fixed front end housing (15) that is provided with of right side wall of casing (1), the fixed screw hole (19) that is provided with of inside wall of front end housing (15), the inside wall activity of screw hole (19) is provided with the second and sets up screw rod (16), the inside wall activity of front end housing (15) is provided with connecting axle (17), the lateral wall swing joint of connecting axle (17) has gear (18), the inside wall that connecting axle (17) run through front end housing (15) extends to the inner chamber of casing (1).
3. The novel fall arrest safety device according to claim 2, wherein: the middle of connecting axle (17) is fixed and is provided with centrifugal seat (13), the lateral wall of centrifugal seat (13) is fixed and is provided with centrifugal brake pad (12), the lateral wall of centrifugal brake pad (12) is fixed and is provided with jack catch (21), the alternate department of centrifugal brake pad (12) and centrifugal seat (13) is through elasticity telescopic connection.
4. The novel fall arrest safety device according to claim 1, wherein: the fixed claw groove (14) that is provided with of inside wall of lug (11), the fixed rotation groove (20) that is provided with in alternate department of dwang (2) and casing (1), dwang (2) and casing (1) are connected through rotating, claw groove (14) are used for the rigidity to jack catch (21).
5. The novel fall arrest safety device according to claim 3, wherein: connecting axle (17), front end housing (15) and awl hub (9) all rotate to be connected, connecting axle (17) with gear (18) pass through the key-type connection, connecting axle (17) and centrifugal seat (13) pass through the key-type connection, centrifugal brake block (12) can deflect certain angle for centrifugal seat (13) through the elastic telescopic part above that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023150640.0U CN214114855U (en) | 2020-12-24 | 2020-12-24 | Novel anti-falling safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023150640.0U CN214114855U (en) | 2020-12-24 | 2020-12-24 | Novel anti-falling safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214114855U true CN214114855U (en) | 2021-09-03 |
Family
ID=77514067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023150640.0U Expired - Fee Related CN214114855U (en) | 2020-12-24 | 2020-12-24 | Novel anti-falling safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214114855U (en) |
-
2020
- 2020-12-24 CN CN202023150640.0U patent/CN214114855U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210903 |