CN113666292A - Heavy object anti-falling device of high-altitude hoisting machinery - Google Patents
Heavy object anti-falling device of high-altitude hoisting machinery Download PDFInfo
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- CN113666292A CN113666292A CN202110893143.XA CN202110893143A CN113666292A CN 113666292 A CN113666292 A CN 113666292A CN 202110893143 A CN202110893143 A CN 202110893143A CN 113666292 A CN113666292 A CN 113666292A
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- Prior art keywords
- sliding
- falling device
- shell
- hoisting machinery
- blocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/16—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a weight anti-falling device for high-altitude hoisting machinery. High altitude lifting machinery heavy object anti-falling device includes: a housing; the four first sliding rods are all fixedly arranged on the inner wall of the bottom of the shell; the four first sliding blocks are respectively sleeved on the four first sliding rods in a sliding manner; the four first springs are respectively sleeved on the four first sliding rods in a sliding manner, the bottom ends of the first springs are in contact with the inner wall of the bottom of the shell, and the top ends of the first springs are in contact with the bottom of the first sliding block; the supporting frame is fixedly arranged on one side, close to each other, of the four first sliding blocks; two axis of rotation, two axis of rotation all rotate and install on the carriage, and the one end that two axis of rotation kept away from each other all extends outside the casing and with casing sliding connection. The anti-falling device for the high-altitude hoisting machinery heavy object, provided by the invention, has the advantages of convenience in use and capability of performing buffer type limitation on the anti-falling rope.
Description
Technical Field
The invention relates to the field of hoisting machinery, in particular to an anti-falling device for a heavy object of high-altitude hoisting machinery.
Background
The high-altitude hoisting machinery is mainly multi-action hoisting machinery capable of vertically lifting and horizontally carrying heavy objects within a certain range, also called as a gantry crane or a crane, when the hoisting machinery hoists goods, in order to prevent the goods from falling caused by sudden breakage of a main hoisting rope, an anti-falling device is generally attached, a rope on an anti-falling device can be bound to the goods, after the main hoisting rope is broken, an auxiliary hoisting rope on the anti-falling device can hoist the falling goods, and therefore one layer of anti-falling safety is added to the hoisted goods.
However, in the prior art, most of the existing anti-falling devices limit the rope in a buckle mode, the buckle type limiting structure limits the rope too directly, the buffer is lacked, and the rope on the anti-falling device can be directly broken if the anti-falling object is heavy, so that a new anti-falling device for high-altitude hoisting machinery heavy objects is needed to be provided to solve the technical problems.
Disclosure of Invention
The invention solves the technical problem of providing the anti-falling device for the high-altitude hoisting machinery heavy object, which is convenient to use and can limit an anti-falling rope in a buffering way.
In order to solve the technical problem, the invention provides an anti-falling device for a high-altitude hoisting machinery heavy object, which comprises: a housing; the four first sliding rods are all fixedly arranged on the inner wall of the bottom of the shell; the four first sliding blocks are respectively sleeved on the four first sliding rods in a sliding manner; the four first springs are respectively sleeved on the four first sliding rods in a sliding manner, the bottom ends of the first springs are in contact with the inner wall of the bottom of the shell, and the top ends of the first springs are in contact with the bottom of the first sliding block; the supporting frame is fixedly arranged on one side, close to each other, of the four first sliding blocks; the two rotating shafts are rotatably arranged on the supporting frame, and the ends, far away from each other, of the two rotating shafts extend out of the shell and are in sliding connection with the shell; the winding wheel is fixedly arranged at one end of the two rotating shafts, which are close to each other; the lifting rope is wound on the winding wheel, and the bottom end of the lifting rope penetrates through the supporting frame and extends out of the shell; the lifting hook is fixedly arranged at the bottom end of the lifting rope; the two extrusion blocks are fixedly arranged at the bottom of the supporting frame; the two second sliding rods are fixedly arranged in the shell; the four second sliding blocks are respectively sleeved on the two second sliding rods in a sliding manner; the two clamping blocks are respectively and fixedly arranged on the corresponding second sliding blocks; and the two second springs are respectively sleeved on the two second sliding rods in a sliding manner, and two ends of each of the two second springs are respectively contacted with one side of the corresponding second sliding block.
Preferably, fixed mounting has the baffle in the casing, the top of carriage and the bottom of baffle contact mutually, the top of four first slide bars all with the bottom fixed connection of baffle, the top fixed mounting of baffle has the motor, fixed mounting has the dwang on the output shaft of motor, the one end of dwang extends outside the casing and rotates with the casing to be connected, the dwang extends to the outer one end fixed mounting of casing and has first gear, and the one end fixed mounting of arbitrary axis of rotation has the second gear, first gear and second gear meshing.
Preferably, sliding holes are formed in the inner walls of the two sides of the shell, and the two rotating shafts penetrate through the corresponding sliding holes respectively and are connected with the corresponding sliding holes in a sliding mode.
Preferably, a first groove is formed in one side of the extrusion block, a plurality of first rollers are rotatably mounted in the first groove, and one sides of the plurality of first rollers extend out of the first groove and are in contact with one side of the clamping block.
Preferably, two roller grooves are formed in the bottom of the shell, second grooves are formed in the bottoms of the two clamping blocks, a plurality of second rollers are rotatably mounted in the second grooves, and the bottoms of the plurality of second rollers extend into the two roller grooves and are in contact with the inner walls of the bottoms of the two roller grooves.
Preferably, the damping plate is fixedly mounted on one side of each clamping block close to each other.
Preferably, a connecting hanging ring is fixedly mounted at the top of the shell.
Compared with the prior art, the anti-falling device for the high-altitude hoisting machinery heavy object has the following beneficial effects:
the invention provides an anti-falling device for a high-altitude hoisting machine heavy object, which can wind a lifting rope when a cargo is hoisted by matching a rotating shaft, a motor, a rotating rod, a first gear and a second gear, can play a certain resistance to the rotation of a winding wheel when the cargo falls, can pause the winding wheel at one moment and drive a supporting frame to descend, and can pressurize two clamping blocks by two extrusion blocks when the supporting frame descends, so that the two clamping blocks clamp and limit the lifting rope, and the limitation is buffer type, so that the cargo has a buffer time from acceleration to stillness when falling.
In order to solve the technical problem, the invention provides an anti-falling device for a high-altitude hoisting machinery heavy object, which comprises: the speed limit cam, speed limit cam fixed mounting is in the one end of arbitrary axis of rotation, one side fixed mounting of casing has the fixed block, the spout has been seted up at the top of fixed block, slidable mounting has the telescopic shaft in the spout, the top of telescopic shaft extends to outside the spout, slidable mounting has the third spring in the spout, the top of third spring contacts with the top of telescopic shaft, the bottom of third spring contacts with the bottom inner wall of spout, fixed frame is highly installed on the top of telescopic shaft, the pulley is installed to the fixed frame internal rotation, the top of pulley extends to fixed frame outside and contacts with the bottom of speed limit cam.
Preferably, all seted up the spacing groove on the both sides inner wall of spout, equal slidable mounting has the stopper in two spacing inslots, and one side of two stoppers all extends to outside the spacing groove and with telescopic shaft fixed connection.
Compared with the prior art, the anti-falling device for the high-altitude hoisting machinery heavy object has the following beneficial effects:
the invention provides a high-altitude hoisting machinery heavy object anti-falling device, which can limit the rotation of a winding wheel to a certain degree through the matching of a cam, a telescopic shaft, a third spring, a fixing frame and a pulley, so that the stretching speed of a lifting rope can be reduced, and the lifting rope can drive a supporting frame to descend after the stretching speed of the lifting rope is reduced, so that two clamping blocks can more stably clamp and limit the lifting rope.
Drawings
FIG. 1 is a schematic sectional front view showing a first embodiment of a weight anti-falling device for a high altitude hoisting machine provided by the invention;
FIG. 2 is a schematic side view of a first embodiment of the weight anti-falling device for high altitude hoisting machinery provided by the invention;
FIG. 3 is a schematic side sectional view of the first embodiment of the weight anti-falling device for high altitude hoisting machinery provided by the invention;
FIG. 4 is a schematic sectional top view of the first embodiment of the weight anti-falling device for high altitude hoisting machinery provided by the invention;
FIG. 5 is a schematic sectional elevational view of a second embodiment of the weight fall arrest device for a high altitude lifting machine according to the present invention;
FIG. 6 is a schematic side view of a second embodiment of the weight fall preventing device for high altitude lifting machinery provided by the invention.
Reference numbers in the figures: 1. a housing; 2. a first slide bar; 3. a first slider; 4. a first spring; 5. A support frame; 6. a rotating shaft; 7. a winding wheel; 8. a lifting rope; 9. a hook; 10. extruding the block; 11. a second slide bar; 12. a second slider; 13. a clamping block; 14. a second spring; 15. a partition plate; 16. a motor; 17. rotating the rod; 18. a first gear; 19. a second gear; 20. a speed-limiting cam; 21. a fixed block; 22. a chute; 23. a telescopic shaft; 24. a third spring; 25. a fixing frame; 26. a pulley.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1-4, in a first embodiment of the present invention, an overhead hoist machinery weight fall preventing device comprises: the shell 1 is made of metal materials, and the bottom of the shell 1 is thicker than other places and has better bearing capacity; the four first sliding rods 2 are all fixedly arranged on the inner wall of the bottom of the shell 1, and the four first sliding rods 2 can limit the supporting frame 5 so that the supporting frame 5 can stably slide up and down; the four first sliding blocks 3 are respectively sleeved on the four first sliding rods 2 in a sliding manner; the four first springs 4 are respectively sleeved on the four first sliding rods 2 in a sliding manner, the bottom ends of the first springs 4 are in contact with the inner wall of the bottom of the shell 1, the top ends of the first springs 4 are in contact with the bottom of the first sliding block 3, and the four first springs 4 can push up the supporting frame 5 through the first sliding block 3, so that the supporting frame 5 cannot drive the two extrusion blocks 10 to extrude the two clamping blocks 13 under normal conditions; the supporting frame 5 is fixedly arranged on one side, close to each other, of the four first sliding blocks 3, the supporting frame 5 can be used for bearing the two rotating shafts 6 and the winding wheel 7, and meanwhile, when the top of the supporting frame 5 is in contact with the partition plate 15, the supporting frame 5 can limit the two extrusion blocks 10; the two rotating shafts 6 are rotatably arranged on the supporting frame 5, and the ends, far away from each other, of the two rotating shafts 6 extend out of the shell 1 and are in sliding connection with the shell 1; the winding wheel 7 is fixedly arranged at one end of the two rotating shafts 6, which are close to each other; the lifting rope 8 is wound on the winding wheel 7, the bottom end of the lifting rope 8 penetrates through the supporting frame 5 and extends out of the shell 1, and the lifting rope 8 is formed by winding and bundling a plurality of thin steel wires and has high toughness and tensile strength; the lifting hook 9 is fixedly arranged at the bottom end of the lifting rope 8; the two extrusion blocks 10 are fixedly arranged at the bottom of the supporting frame 5, and the two extrusion blocks 10 are trapezoidal, so that the contact area between the extrusion blocks 10 and the clamping block 13 is larger, and the clamping block 13 can be extruded more conveniently; the two second sliding rods 11 are fixedly arranged in the shell 1, the second sliding rods 11 are matched with the second sliding blocks 12 to limit the moving range of the two clamping blocks 13, so that the clamping blocks 13 can normally approach each other and clamp the lifting rope 8 after being extruded by the extrusion block 10; the four second sliding blocks 12 are respectively sleeved on the two second sliding rods 11 in a sliding manner; the two clamping blocks 13 are respectively and fixedly arranged on the corresponding second sliding blocks 12; two second springs 14, the two second springs 14 are respectively sleeved on the two second sliding rods 11 in a sliding manner, and two ends of the two second springs 14 are respectively contacted with one side of the corresponding second sliding block 12.
The winding device is characterized in that a partition plate 15 is fixedly mounted in the shell 1, the top of the supporting frame 5 is in contact with the bottom of the partition plate 15, the top ends of the four first sliding rods 2 are fixedly connected with the bottom of the partition plate 15, a motor 16 is fixedly mounted at the top of the partition plate 15, a rotating rod 17 is fixedly mounted on an output shaft of the motor 16, one end of the rotating rod 17 extends out of the shell 1 and is rotatably connected with the shell 1, a first gear 18 is fixedly mounted at one end of the rotating rod 17 extending out of the shell 1, a second gear 19 is fixedly mounted at one end of any rotating shaft 6, the first gear 18 is meshed with the second gear 19, the motor 16 can drive the winding wheel 7 to rotate through the first gear 18 and the second gear 19, so that the winding wheel 7 can drive the winding rope 8 to wind the winding rope 8, when goods fall down, the winding rope 8 can drive the winding wheel 7 to rotate, at the moment, the second gear 19 and the first gear 18 are matched to form an initial resistance for the rotation of the winding wheel 7, and the initial resistance enables the lifting rope 8 to drive the supporting frame 5 to descend through the winding wheel 7, so that the subsequent chain reaction is realized, and the two clamping blocks 13 are enabled to clamp and limit the speed of the lifting rope 8.
All seted up the slide opening on the both sides inner wall of casing 1, two axis of rotation 6 run through the slide opening that corresponds respectively and with corresponding slide opening sliding connection, the slide opening makes and extends to the outside axis of rotation 6 of casing 1 and can follow carriage 5 synchronous decline.
First recess has been seted up to one side of extrusion piece 10, and a plurality of first gyro wheels are installed to the first recess internal rotation, and one side of a plurality of first gyro wheels all extends outside first recess and contacts with one side of clamp splice 13, and a plurality of first gyro wheels can reduce the frictional force between extrusion piece 10 and the clamp splice 13 for extrusion piece 10 can promote clamp splice 13 more smoothly.
Two roller grooves are formed in the bottom of the shell 1, second grooves are formed in the bottoms of the two clamping blocks 13, a plurality of second rollers are rotatably mounted in the second grooves, the bottoms of the second rollers extend into the two roller grooves and are in contact with the inner walls of the bottoms of the two roller grooves, and the second rollers can reduce friction force between the clamping blocks 13 and the inner wall of the shell 1, so that the two clamping blocks 13 are more easily close to each other under the extrusion of the extrusion block 10 and clamp and limit the lifting rope 8.
The damping plates are fixedly mounted on the sides, close to each other, of the two clamping blocks 13, are made of high-carbon fiber materials, have good friction resistance and are one of main materials of the automobile brake pad.
The top of the shell 1 is fixedly provided with a connecting lifting ring, and the anti-falling device can be fixed on a lifting machine through the connecting lifting ring.
The working principle of the weight anti-falling device for the high-altitude hoisting machinery provided by the invention is as follows:
when the lifted goods need to be prevented from falling and deployed, the anti-falling facilities are hung on the lifting device through the connecting lifting ring, then the lifting hook 9 on the lifting rope 8 and the main lifting rope are hung on the lifted goods, when the goods descend, the lifting hook 9 hung on the goods descends along with the goods, when the goods ascend, the motor 16 is started, the motor 16 drives the rotating rod 17 to rotate through the output shaft, the rotating rod 17 drives the second gear 19 to rotate through the first gear 18, then, the second gear 19 drives the winding wheel 7 to rotate through the corresponding rotating shaft 6, the winding wheel 7 starts to wind the lifting rope 8 through rotation, so that the lifting rope 8 can be contained in the shell 1 when the goods ascend, when the main lifting rope of the crane is broken, the goods can drive the lifting rope 8 to suddenly drop through the lifting hook 9, at the moment, the dropping is too sudden, and a certain initial resistance exists between the second gear 19 and the first gear 18, this makes lifting rope 8 can drop-down to wind-up wheel 7, thereby lead to whole carriage 5 to drive two extrusion blocks 10 and descend, two extrusion blocks 10 can extrude two clamp splice 13 when descending, two clamp splice 13 can be close to each other and carry out the centre gripping to lifting rope 8 after being extruded, under the centre gripping of two clamp splice 13, the speed that lifting rope 8 was taken out can be reduced, until being injectd completely by two clamp splice 13, thereby make lifting rope 8 have a buffering time quantum before stopping, let lifting rope 8 be unlikely to be broken.
Compared with the prior art, the anti-falling device for the high-altitude hoisting machinery heavy object has the following beneficial effects:
the invention provides an anti-falling device for a high-altitude hoisting machine heavy object, which can wind a lifting rope 8 when a cargo is hoisted through the matching of a rotating shaft 6, a motor 16, a rotating rod 17, a first gear 18 and a second gear 19, can play a certain resistance to the rotation of a winding wheel 7 when the cargo falls, so that the winding wheel 7 can be paused at one moment and drive a supporting frame 5 to descend, and when the supporting frame 5 descends, two clamping blocks 13 can be pressurized through two extrusion blocks 10, so that the two clamping blocks 13 can clamp and limit the lifting rope 8, and the limitation is of a buffer type, so that the cargo can be buffered from acceleration to stillness when falling.
Second embodiment:
based on the high-altitude lifting machinery weight anti-falling device provided by the first embodiment of the application, the second embodiment of the application provides another high-altitude lifting machinery weight anti-falling device, the second embodiment is only a preferable mode of the first embodiment, and the implementation of the second embodiment does not influence the independent implementation of the first embodiment.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 5 and 6 in combination, in a second embodiment of the present invention, the weight fall preventing device for high altitude hoisting machinery comprises: a speed-limiting cam 20, the speed-limiting cam 20 is fixedly installed at one end of any one of the rotating shafts 6, when the speed-limiting cam 20 is matched with the pulley 26, the rotating speed of the winding wheel 7 can be limited to a certain degree, so that the lifting rope 8 can be more stably limited, a fixed block 21 is fixedly installed at one side of the casing 1, a sliding groove 22 is formed in the top of the fixed block 21, a telescopic shaft 23 is installed in the sliding groove 22 in a sliding manner, the top end of the telescopic shaft 23 extends out of the sliding groove 22, a third spring 24 is installed in the sliding groove 22 in a sliding manner, the top end of the third spring 24 is contacted with the top end of the telescopic shaft 23, the bottom end of the third spring 24 is contacted with the inner wall of the bottom of the sliding groove 22, a fixed frame 25 is installed at the top end height of the telescopic shaft 23, the pulley 26 is rotatably installed in the fixed frame 25, the top end of the pulley 26 extends out of the fixed frame 25 and is contacted with the bottom of the speed-limiting cam 20, the pulley 26 can reduce the friction with the speed limiting cam 20, so that the speed limiting cam 20 is not easily worn when rotating.
All seted up the spacing groove on the both sides inner wall of spout 22, the equal slidable mounting of two spacing inslots has the stopper, and one side of two stoppers all extends to outside the spacing groove and with telescopic shaft 23 fixed connection, and spacing groove and stopper cooperate, can inject telescopic shaft 23's flexible scope, guarantee telescopic shaft 23's stability.
The working principle of the weight anti-falling device for the high-altitude hoisting machinery provided by the invention is as follows:
in order to improve the safety when the goods fall down, the rotating speed of the winding wheel 7 when the goods fall down can be reduced, at the moment, when the winding wheel 7 drives the rotating shaft 6 to rotate, the rotating shaft 6 can drive the speed-limiting cam 20 to rotate, the speed-limiting cam 20 can extrude the pulley 26 along with the rotation, the pulley 26 pressurizes the telescopic shaft 23 through the fixing frame 25, the telescopic shaft 23 can extrude the third spring 24 after being extruded, and the third spring 24 has the elasticity, so that the pulley 26 can descend along with the descending of the speed-limiting cam 20.
Compared with the prior art, the anti-falling device for the high-altitude hoisting machinery heavy object has the following beneficial effects:
the invention provides a high-altitude hoisting machinery heavy object anti-falling device, which can limit the rotation of a winding wheel 7 to a certain degree through the matching of a speed-limiting cam 20, a telescopic shaft 23, a third spring 24, a fixed frame 25 and a pulley 26, so that the stretching speed of a lifting rope 8 can be reduced, and after the stretching speed of the lifting rope 8 is reduced, the lifting rope 8 can drive a supporting frame 5 to descend, so that two clamping blocks 13 can more stably clamp and limit the lifting rope 8.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the arrangement of the power mechanism and the control system of the device, etc. is not completely described, but the details of the power mechanism and the control system can be clearly known by those skilled in the art on the premise of understanding the principle of the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a high altitude lifts by crane machinery heavy object anti-falling device which characterized in that includes:
a housing;
the four first sliding rods are all fixedly arranged on the inner wall of the bottom of the shell;
the four first sliding blocks are respectively sleeved on the four first sliding rods in a sliding manner;
the four first springs are respectively sleeved on the four first sliding rods in a sliding manner, the bottom ends of the first springs are in contact with the inner wall of the bottom of the shell, and the top ends of the first springs are in contact with the bottom of the first sliding block;
the supporting frame is fixedly arranged on one side, close to each other, of the four first sliding blocks;
the two rotating shafts are rotatably arranged on the supporting frame, and the ends, far away from each other, of the two rotating shafts extend out of the shell and are in sliding connection with the shell;
the winding wheel is fixedly arranged at one end of the two rotating shafts, which are close to each other;
the lifting rope is wound on the winding wheel, and the bottom end of the lifting rope penetrates through the supporting frame and extends out of the shell;
the lifting hook is fixedly arranged at the bottom end of the lifting rope;
the two extrusion blocks are fixedly arranged at the bottom of the supporting frame;
the two second sliding rods are fixedly arranged in the shell;
the four second sliding blocks are respectively sleeved on the two second sliding rods in a sliding manner;
the two clamping blocks are respectively and fixedly arranged on the corresponding second sliding blocks;
and the two second springs are respectively sleeved on the two second sliding rods in a sliding manner, and two ends of each of the two second springs are respectively contacted with one side of the corresponding second sliding block.
2. The high altitude hoisting machinery heavy object anti-falling device of claim 1, characterized in that, fixed mounting has the baffle in the casing, the top of carriage and the bottom of baffle are contacted, the top of four first slide bars all with the bottom fixed connection of baffle, the top fixed mounting of baffle has the motor, fixed mounting has the dwang on the output shaft of motor, the one end of dwang extends outside the casing and rotates with the casing to be connected, the dwang extends to the outer one end fixed mounting of casing and has first gear, the one end fixed mounting of arbitrary axis of rotation has the second gear, first gear and second gear meshing.
3. The anti-falling device for the high-altitude hoisting machinery heavy object according to claim 1, wherein sliding holes are formed in the inner walls of the two sides of the shell, and the two rotating shafts respectively penetrate through the corresponding sliding holes and are connected with the corresponding sliding holes in a sliding manner.
4. The high altitude hoisting machinery weight anti-falling device as claimed in claim 1, wherein a first groove is formed in one side of the extrusion block, a plurality of first rollers are rotatably mounted in the first groove, and one side of each of the plurality of first rollers extends out of the first groove and contacts one side of the clamping block.
5. The high altitude hoisting machinery weight anti-falling device as claimed in claim 1, wherein the bottom of the housing is formed with two roller grooves, the bottoms of the two clamping blocks are formed with second grooves, the second grooves are rotatably mounted with a plurality of second rollers, and the bottoms of the plurality of second rollers extend into the two roller grooves and contact with the inner walls of the bottoms of the two roller grooves.
6. The weight anti-falling device for the high-altitude hoisting machinery as claimed in claim 1, wherein damping plates are fixedly mounted on the sides of the two clamping blocks close to each other.
7. The weight anti-falling device for the high altitude hoisting machinery as claimed in claim 1, wherein the top of the shell is fixedly provided with a connecting lifting ring.
8. The high altitude lifts by crane mechanical heavy object anti-falling device according to claim 1, its characterized in that, the one end fixed mounting of arbitrary axis of rotation has the speed limit cam, one side fixed mounting of casing has the fixed block, the spout has been seted up at the top of fixed block, slidable mounting has the telescopic shaft in the spout, the top of telescopic shaft extends outside the spout, slidable mounting has the third spring in the spout, the top of third spring contacts with the top of telescopic shaft, the bottom of third spring contacts with the bottom inner wall of spout, fixed frame is highly installed at the top of telescopic shaft, the pulley is installed to the fixed frame internal rotation, the top of pulley extends to outside fixed frame and contacts with the bottom of speed limit cam.
9. The high altitude hoisting machinery heavy object anti-falling device of claim 8, characterized in that the inner walls of both sides of the sliding groove are provided with limiting grooves, limiting blocks are slidably mounted in both limiting grooves, and one side of both limiting blocks extends out of the limiting grooves and is fixedly connected with the telescopic shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110893143.XA CN113666292A (en) | 2021-08-04 | 2021-08-04 | Heavy object anti-falling device of high-altitude hoisting machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110893143.XA CN113666292A (en) | 2021-08-04 | 2021-08-04 | Heavy object anti-falling device of high-altitude hoisting machinery |
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| Publication Number | Publication Date |
|---|---|
| CN113666292A true CN113666292A (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110893143.XA Withdrawn CN113666292A (en) | 2021-08-04 | 2021-08-04 | Heavy object anti-falling device of high-altitude hoisting machinery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180481A (en) * | 2022-02-17 | 2022-03-15 | 河南工学院 | Safety protection device of hoisting equipment and application of safety protection device in tree transplanting |
| CN115072575A (en) * | 2022-08-22 | 2022-09-20 | 启东市德立神起重运输机械有限公司 | Crane for stone processing |
| CN115818478A (en) * | 2023-02-14 | 2023-03-21 | 南通远森信息科技有限公司 | Tower crane hoisting equipment with alarm function and use method |
| CN116654804A (en) * | 2023-07-31 | 2023-08-29 | 成都中弘轨道交通环保产业股份有限公司 | Railway integral sound barrier lifting device and operation method |
-
2021
- 2021-08-04 CN CN202110893143.XA patent/CN113666292A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180481A (en) * | 2022-02-17 | 2022-03-15 | 河南工学院 | Safety protection device of hoisting equipment and application of safety protection device in tree transplanting |
| CN114180481B (en) * | 2022-02-17 | 2022-05-17 | 河南工学院 | Safety protection device of hoisting equipment and application of safety protection device in tree transplanting |
| CN115072575A (en) * | 2022-08-22 | 2022-09-20 | 启东市德立神起重运输机械有限公司 | Crane for stone processing |
| CN115072575B (en) * | 2022-08-22 | 2023-12-05 | 江苏中之筑金属科技有限公司 | Crane for stone processing |
| CN115818478A (en) * | 2023-02-14 | 2023-03-21 | 南通远森信息科技有限公司 | Tower crane hoisting equipment with alarm function and use method |
| CN116654804A (en) * | 2023-07-31 | 2023-08-29 | 成都中弘轨道交通环保产业股份有限公司 | Railway integral sound barrier lifting device and operation method |
| CN116654804B (en) * | 2023-07-31 | 2023-09-22 | 成都中弘轨道交通环保产业股份有限公司 | Railway integral sound barrier lifting device and operation method |
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Application publication date: 20211119 |