CN113443574A - Locking device of hoisting equipment - Google Patents
Locking device of hoisting equipment Download PDFInfo
- Publication number
- CN113443574A CN113443574A CN202110550919.8A CN202110550919A CN113443574A CN 113443574 A CN113443574 A CN 113443574A CN 202110550919 A CN202110550919 A CN 202110550919A CN 113443574 A CN113443574 A CN 113443574A
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- Prior art keywords
- box body
- rotating
- sliding
- matching
- top box
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
- B66D1/58—Safety gear responsive to excess of load
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a locking device of a hoisting device, which comprises a top box body, wherein an internal cavity is arranged in the top box body, a middle cylinder is arranged in the inner containing cavity, symmetrical outer fixing plates are arranged on two sides of the middle cylinder, a pulling device used for guiding the external fixing plate and the middle cylinder is arranged between the external fixing plate and the internal containing cavity, a rotary connecting motor is arranged in the top box body and is in power connection with the middle barrel, a matching buffer inner hole is arranged in the top box body, and a side base plate is arranged in the matching buffer inner hole in a sliding manner, so that the device can stably support and center the middle cylinder, and the pull rope can be clamped emergently when the pull rope is deflected, so that the phenomenon that the rotary connecting motor is overloaded and the pull rope is always unreeled after the pull rope is pulled by a small rail car in an external space is prevented.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to locking equipment of the hoisting equipment.
Background
The existing hoisting equipment has more defects, firstly, most obviously, when the hoisting equipment is matched with a plurality of rail trolleys, if the rail trolley is derailed, the rope of the hoisting equipment is pulled to move obliquely, the motor loses the automatic locking function and can be driven by the trolley to work autonomously, if this situation persists for a long time, which not only is the motor prone to burn out and damage, but also the motor can cause damage to the corresponding shaft, etc., then when this happens, the existing method adopts the method that the trolley is directly hoisted to the track by a crane and then corresponding repair and replacement are carried out on the track, but the method is only a subsequent treatment mode for accidents caused by the matched use of the rail trolley and the winch, however, the prior art does not provide a technical solution for effectively preventing the situation from occurring in time when the situation occurs.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a locking device for a hoisting device, which can solve the above problems in the prior art.
The invention is realized by the following technical scheme: the hoisting equipment locking device comprises a top box body, wherein an inner containing cavity is arranged in the top box body, a middle barrel is arranged in the inner containing cavity, symmetrical outer fixing plates are arranged on two sides of the middle barrel, a pulling device used for guiding the outer fixing plates and the middle barrel is arranged between the outer fixing plates and the inner containing cavity, a rotating connection motor is arranged in the top box body and is in power connection with the middle barrel, a matched buffer inner hole is arranged in the top box body, a side backing plate is arranged in the matched buffer inner hole in a sliding mode, a side convex rod is arranged on one side of the side backing plate, an abutting wheel is arranged in the side convex rod in a rotating mode, a pulling rope is wound on the outer surface of the middle barrel and penetrates through the top box body, and the abutting wheel abuts against the pulling rope between the abutting wheels, the top box body is internally provided with an extrusion device which drives the abutting wheels to extrude the pull rope, and the bottom of the top box body is provided with an emergency clamping device which can emergently clamp the pull rope after the pull rope is deflected.
According to a further technical scheme, the pulling device comprises a connecting inner groove arranged in the external fixing plate, the connecting inner groove is of an annular structure, a clamping rolling wheel is arranged in the connecting inner groove in a rolling mode, a matching rope is arranged on the outer side of the clamping rolling wheel in a rotating mode, and the matching rope is fixed to the end wall of the internal containing cavity.
According to the technical scheme, the extrusion device comprises a plurality of internal thread bevel gears which are connected with the end wall of the matched buffer inner hole in a rotating matching mode, one sides of the internal thread bevel gears are meshed with rotary bevel gears, a rotating matching rod is arranged on the lower side of each rotary bevel gear and is connected with the top box in a rotating matching mode, annular grooves are formed in the outer surfaces of the rotary matching rods, and rotating assemblies are arranged in the top box and can be connected with the annular grooves in a matching mode to enable all the rotary matching rods to rotate simultaneously.
Further technical scheme, the subassembly rotates simultaneously including set up in ejecting a section of thick bamboo in the top box, ejecting a section of thick bamboo surface pivoted is provided with the ring gear dish, cooperation buffering hole downside is provided with connects the cooperation motor, it is provided with the initiative cooperation gear to connect cooperation motor one side power connection, the initiative cooperation gear with ring gear dish meshing sets up, the ring gear dish with the ring gear groove meshing sets up.
In a further technical scheme, the emergency clamping device comprises a lower inner cavity arranged in the top box body, a plurality of annular array fixed connecting plates are arranged in the inner cavity of the lower side, internal chutes are arranged in the fixed connecting plates, symmetrical connecting sliding blocks are arranged in the inner sliding groove in a sliding manner, a rack is arranged on one side of each connecting sliding block, the rack passes through the fixed connecting plate, a swing connecting rod is hinged in the connecting sliding block, one side of the swing connecting rod is provided with an abutting wheel which is hinged with the swing connecting rod, the supporting wheels are supported against the pull rope, symmetrical sliding connection box bodies are arranged on the upper side and the lower side of the fixed connection plate in a sliding manner, and a transmission clamping assembly which clamps the pull rope after the offsetting wheels which are abutted against the pull rope are deflected is arranged in the sliding connection box body and the fixed connection plate.
The technical scheme is further that the transmission clamping assembly comprises side connecting box bodies arranged at the tops of the fixed connecting plates, the side connecting box bodies are symmetrically arranged at two sides of the internal sliding groove, meshing gears are arranged in the side connecting box bodies in a rotating mode, the meshing gears are meshed with the racks, a transmission connecting inner cavity is arranged in the side connecting box body close to the pull rope, a rotating bevel gear is arranged in the transmission connecting inner cavity in a rotating mode, the rotating bevel gear and the meshing gears are coaxially arranged in a rotating mode, a side meshing bevel gear is arranged on one side of the rotating bevel gear in a meshing mode, a rotating external threaded rod is arranged on one side of the side meshing bevel gear, the rotating external threaded rod penetrates through the transmission connecting inner cavity and the side connecting box body in a rotating mode, a connecting inner hole is formed in the sliding connecting box body, and the connecting inner hole is in threaded fit connection with the rotating external threaded rod, an elastic clamping structure used for clamping the pull rope is arranged in the sliding connection box body.
According to the technical scheme, the elastic clamping structure comprises an inner sliding cavity arranged in the sliding connection box body, a matching connection plate is arranged in the inner sliding cavity in a sliding mode, a plurality of pressing blocks which are abutted to each other are arranged on one side of the matching connection plate, the pressing blocks which are abutted to the pull rope are arranged in a supporting mode, and a connection spring is elastically arranged between the matching connection plate and the end wall of the inner sliding cavity.
The invention has the beneficial effects that:
the device disclosed by the invention is simple in structure, can stably support and center the middle cylinder, can enable the pull rope to be emergently clamped when the pull rope is deflected, and can prevent the rotary connecting motor from being overloaded and the pull rope from being unreeled all the time after the pull rope is pulled by a small rail car in an external space.
When the equipment works, the rotary connecting motor drives the external fixing plate and the middle cylinder to rotate after working, so that the stay cord can be unreeled, in the process, the clamping rolling wheel is positioned in the connecting inner groove to roll, and the clamping rolling wheel and the matching rope are designed, so that the middle cylinder is kept in a centering state after the matching rope is connected with the end wall of the inner containing cavity, the running stability of the middle cylinder is increased, the middle cylinder is pulled after the stay cord is out of control, the deflection degree of the middle cylinder is reduced, the active matching gear is driven to rotate after the connecting matching motor works according to actual conditions, the active matching gear drives the annular gear disc to rotate, and the annular gear disc is meshed with the matching buffering inner hole to drive the rotary matching rod to rotate, at this time, the rotating matching rod can drive the rotating bevel gear to rotate, after the rotating bevel gear is meshed with the internal thread bevel gear, the side backing plates of the side convex rods in sequence slide in the matching buffer inner hole, the side convex rods drive the abutting wheels to press the pulling rope, the degree of the abutting wheels to press the pulling rope can be changed, so that the pulling rope is guided, and when the pulling rope suddenly deflects in an emergency situation, the number of the swinging connecting rods and the abutting wheels on one side of the fixed connecting plate is the same as that of the fixed connecting plate due to the annular array arrangement of the fixed connecting plate, so that the pulling rope can drive the abutting wheels pressed by the pulling rope to move after deviating to the abutting wheels on any side, so that the connecting sliding block is driven to slide in the internal sliding groove after the swinging connecting rods swing, after sliding, the rack on one side of the connecting sliding block slides to two sides, so that the rack is meshed with the meshing gear and then drives the meshing gear to rotate, the meshing gear drives the rotating bevel gear to rotate after rotating, the side meshing bevel gear also drives the rotating external threaded rod to rotate after rotating, and then the rotating external threaded rod is in threaded fit connection with the connecting inner hole to drive the sliding connecting box body to slide, so that the abutting and pressing block is pressed against the pull rope under the action of the connecting spring and the matching connecting plate after the sliding connecting box body slides, and at this time, the abutting and pressing block can be used for emergently clamping the pull rope to prevent the pull rope from stopping running after deflecting.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic view of the internal overall structure of a locking device of a hoisting device according to the present invention;
FIG. 2 is a schematic view at A in FIG. 1;
FIG. 3 is a schematic view at B of FIG. 1;
FIG. 4 is a schematic view at C of FIG. 1;
FIG. 5 is a schematic view at D of FIG. 1;
FIG. 6 is a schematic view at E in FIG. 5;
in the figure, an abutting wheel 11, a swing connecting rod 12, an internal chute 13, a connecting slide block 14, a rack 15, a side convex rod 16, a side backing plate 17, a matching buffer inner hole 18, an abutting wheel 19, a rotary connecting motor 21, a top box body 22, a pull rope 23, an internal cavity 24, a matching rope 25, an external fixing plate 26, a middle barrel 27, a lower inner cavity 28, a fixing connecting plate 29, a connecting inner groove 31 and a clamping rolling wheel 32, the device comprises a meshing gear 41, a rotating bevel gear 42, a transmission connection inner cavity 43, a side connection box body 44, a rotating external thread rod 45, a side meshing bevel gear 46, a connection inner hole 51, a sliding connection box body 53, a connection spring 54, an internal sliding cavity 55, a matching connection plate 56, a pressing block 57, an annular tooth groove 61, a rotating matching rod 62, a rotating bevel gear 63, an internal thread bevel gear 64, an annular gear disc 71, a driving matching gear 72, an ejection cylinder 73 and a connection matching motor 74.
Detailed Description
As shown in fig. 1 to 6, the present invention is explained in detail, and for convenience of description, the following orientations are defined as follows: the hoisting equipment locking device comprises a top box body 22, wherein an inner containing cavity 24 is arranged in the top box body 22, a middle barrel 27 is arranged in the inner containing cavity 24, symmetrical outer fixing plates 26 are arranged on two sides of the middle barrel 27, a pulling device used for guiding the outer fixing plates 26 and the middle barrel 27 is arranged between the outer fixing plates 26 and the inner containing cavity 24, a rotary connecting motor 21 is arranged in the top box body 22, the rotary connecting motor 21 is in power connection with the middle barrel 27, a matching buffer inner hole 18 is arranged in the top box body 22, a side backing plate 17 is arranged in the matching buffer inner hole 18 in a sliding manner, a side convex rod 16 is arranged on one side of the side backing plate 17, and an abutting wheel 19 is rotatably arranged in the side convex rod 16, the outer surface of the middle cylinder 27 is wound with a pull rope 23, the pull rope 23 penetrates through the top box body 22, the pull rope 23 is pressed between the pressing wheels 19 by the pressing wheels 19, an extruding device for driving the pressing wheels 19 to extrude the pull rope 23 is arranged in the top box body 22, and an emergency clamping device for emergency clamping the pull rope 23 after the pull rope 23 deflects is arranged at the bottom of the top box body 22.
Advantageously, the pulling device comprises an inner connecting groove 31 arranged in the outer fixing plate 26, the inner connecting groove 31 is of a ring structure, a clamping rolling wheel 32 is arranged in the inner connecting groove 31 in a rolling manner, a matching rope 25 is arranged outside the clamping rolling wheel 32 in a rotating manner, and the matching rope 25 is fixed with the end wall of the inner accommodating cavity 24.
Advantageously, the extruding device comprises a plurality of internal thread bevel gears 64 connected with the end walls of the matching buffer inner holes 18 in a rotating matching mode, one sides of the internal thread bevel gears 64 are meshed with rotating bevel gears 63, the lower sides of the rotating bevel gears 63 are provided with rotating matching rods 62, the rotating matching rods 62 are connected with the top box body 22 in a rotating matching mode, the outer surfaces of the rotating matching rods 62 are provided with annular tooth grooves 61, and a simultaneous rotating assembly capable of being connected with the annular tooth grooves 61 in a matching mode to enable all the rotating matching rods 62 to rotate is arranged in the top box body 22.
Advantageously, the simultaneous rotation assembly comprises an ejection cylinder 73 arranged in the top box 22, an annular gear disc 71 is arranged on the outer surface of the ejection cylinder 73 in a rotating manner, a connection matching motor 74 is arranged on the lower side of the matching buffer inner hole 18, a driving matching gear 72 is arranged on one side of the connection matching motor 74 in a power connection manner, the driving matching gear 72 is arranged in a meshing manner with the annular gear disc 71, and the annular gear disc 71 is arranged in a meshing manner with the annular gear groove 61.
Beneficially, the emergency clamping device includes a lower inner cavity 28 disposed in the top box 22, a plurality of fixed connection plates 29 arranged in an annular array are disposed in the lower inner cavity 28, an inner sliding groove 13 is disposed in the fixed connection plates 29, symmetrical connection sliding blocks 14 are slidably disposed in the inner sliding groove 13, a rack 15 is disposed on one side of each connection sliding block 14, the rack 15 penetrates through the fixed connection plates 29, a swing connection rod 12 is hinged in each connection sliding block 14, an abutting wheel 11 is disposed on one side of the swing connection rod 12, the abutting wheels 11 are hinged to the swing connection rod 12, the abutting wheels 11 are abutted to the pull ropes 23, symmetrical sliding connection boxes 53 are slidably disposed on the upper and lower sides of the fixed connection plates 29, and transmission clamping groups for clamping the pull ropes 23 after the abutting wheels 11 abutted to the pull ropes 23 are deflected are disposed in the sliding connection boxes 53 and the fixed connection plates 29 And (3) a component.
Advantageously, the transmission clamping assembly comprises a side connection box body 44 arranged on the top of the fixed connection plate 29, the side connection box body 44 is symmetrically arranged on both sides of the internal chute 13, the side connection box body 44 is rotatably provided with an engaging gear 41, the engaging gear 41 is engaged with the rack 15, a transmission connection cavity 43 is arranged in the side connection box body 44 close to the pull rope 23, the transmission connection cavity 43 is rotatably provided with a rotating bevel gear 42, the rotating bevel gear 42 is coaxially and rotatably arranged with the engaging gear 41, one side of the rotating bevel gear 42 is engaged with a side engaging bevel gear 46, one side of the side engaging bevel gear 46 is provided with a rotating external threaded rod 45, the rotating external threaded rod 45 rotatably penetrates through the transmission connection cavity 43 and the side connection box body 44, a connection inner hole 51 is arranged in the sliding connection box body 53, the connecting inner hole 51 is in threaded fit connection with the rotating external thread rod 45, and an elastic clamping structure for clamping the pull rope 23 is arranged in the sliding connecting box body 53.
Advantageously, the elastic clamping structure comprises an internal sliding cavity 55 arranged in the sliding connection box 53, a matching connection plate 56 is arranged in the internal sliding cavity 55 in a sliding manner, a plurality of pressing blocks 57 are arranged on one side of the matching connection plate 56, the pressing blocks 57 are arranged in a pressing manner against the pull rope 23, and a connection spring 54 is elastically arranged between the matching connection plate 56 and the end wall of the internal sliding cavity 55.
In the initial state, the above-mentioned devices, assemblies and structures are in the stop state, and the device can stably support and center the intermediate cylinder 27, and make the pulling rope 23 be clamped urgently when being deflected, so as to prevent the rotating connection motor 21 from being overloaded and the pulling rope 23 from being unreeled all the time after the pulling rope 23 is pulled by the rail trolley in the external space.
When the device works, the rotation connection motor 21 drives the external fixing plate 26 and the intermediate cylinder 27 to rotate after working, so that the pulling rope 23 can be unreeled, in the process, the clamping rolling wheel 32 is positioned in the connection inner groove 31 to roll, and the clamping rolling wheel 32 and the matching rope 25 are designed, so that the intermediate cylinder 27 is kept in a centering state after the matching rope 25 is connected with the end wall of the internal containing cavity 24, the running stability of the intermediate cylinder 27 is increased, the intermediate cylinder 27 is pulled after the pulling rope 23 is out of control, the deflection degree of the intermediate cylinder 27 is reduced, the connection motor 74 drives the active matching gear 72 to rotate according to actual conditions, the active matching gear 72 drives the annular gear disc 71 to rotate, and the annular gear disc 71 is meshed with the matching buffer inner hole 18 to drive the rotation matching rod 62 to rotate, at this time, the rotating bevel gear 63 is driven to rotate by the rotating matching rod 62, since the rotating bevel gear 63 is meshed with the internal thread bevel gear 64, after the side backing plates 17 of the side protruding rods 16 slide in the matching buffer inner holes 18, the side protruding rods 16 drive the counter wheels 19 to press the pulling rope 23, the degree of the counter wheels 19 pressing the pulling rope 23 can be changed, so that the pulling rope 23 is aligned, and when the pulling rope 23 suddenly deflects in an emergency, because the fixed connecting plates 29 are arranged in an annular array, the number of the swinging connecting rods 12 and the counter wheels 11 on one side of the fixed connecting plates 29 is the same as the number of the fixed connecting plates 29, so that the pulling rope 23 drives the counter wheels 11 pressed by the pulling rope 23 to move after deviating to the counter wheels 11 on any side, the swinging connecting rod 12 is swung to drive the connecting slide block 14 to slide in the internal sliding chute 13, then the rack 15 on one side of the connecting slide block 14 slides to both sides after sliding, the rack 15 is meshed with the meshing gear 41 to drive the meshing gear 41 to rotate, the side meshing bevel gear 46 drives the rotating external thread rod 45 to rotate after the side meshing bevel gear 42 rotates, then the sliding connecting box 53 is driven to slide due to the threaded fit connection of the rotating external thread rod 45 and the connecting inner hole 51, and the abutting pressing block 57 is pressed against the pulling rope 23 under the action of the connecting spring 54 and the matching connecting plate 56 after the sliding connecting box 53 slides, at this time, the pressing block 57 may be used to clamp the rope 23 urgently to prevent the rope 23 from being deflected and then the operation cannot be stopped.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. A hoisting equipment locking device comprises a top box body, wherein an inner containing cavity is arranged in the top box body, a middle barrel is arranged in the inner containing cavity, symmetrical outer fixing plates are arranged on two sides of the middle barrel, a pulling device used for guiding the outer fixing plates and the middle barrel is arranged between the outer fixing plates and the inner containing cavity, a rotary connecting motor is arranged in the top box body and is in power connection with the middle barrel, a matched buffer inner hole is arranged in the top box body, a side backing plate is arranged in the matched buffer inner hole in a sliding mode, a side convex rod is arranged on one side of the side backing plate, a butting wheel is arranged in the side convex rod in a rotating mode, a pulling rope is wound on the outer surface of the middle barrel and penetrates through the top box body, and the pulling rope is butted between the butting wheels by the butting wheel, the top box body is internally provided with an extrusion device which drives the abutting wheels to extrude the pull rope, and the bottom of the top box body is provided with an emergency clamping device which can emergently clamp the pull rope after the pull rope is deflected.
2. The hoisting device locking device of claim 1, wherein: the pulling device comprises a connecting inner groove arranged in the external fixing plate, the connecting inner groove is of an annular structure, a clamping rolling wheel is arranged in the connecting inner groove in a rolling mode, a matching rope is arranged on the outer side of the clamping rolling wheel in a rotating mode, and the matching rope is fixed to the end wall of the internal containing cavity.
3. The hoisting device locking device of claim 1, wherein: the extrusion device comprises a plurality of internal thread bevel gears which are connected with the end wall of the matched buffer inner hole in a matched mode in a rotating mode, one side of each internal thread bevel gear is meshed with a rotating bevel gear, a rotating fit rod is arranged on the lower side of the rotating bevel gear, the rotating fit rod is connected with the top box in a rotating matched mode, an annular groove is formed in the outer surface of the rotating fit rod, and a rotating assembly is arranged in the top box and can be connected with the annular groove in a matched mode to enable the rotating fit rod to rotate.
4. The hoisting device locking device of claim 3, wherein: the rotating assembly comprises an ejection barrel arranged in the top box body, an annular gear disc is arranged on the outer surface of the ejection barrel in a rotating mode, a connection matching motor is arranged on the lower side of a matching buffering inner hole, a driving matching gear is arranged on one side of the connection matching motor in a power connection mode, the driving matching gear is meshed with the annular gear disc, and the annular gear disc is meshed with the annular gear groove.
5. The hoisting device locking device of claim 1, wherein: the emergency clamping device comprises a lower inner cavity arranged in the top box body, a plurality of annular array fixed connecting plates are arranged in the lower inner cavity, an inner sliding groove is arranged in the fixed connecting plate, symmetrical connecting sliding blocks are arranged in the inner sliding groove in a sliding manner, a rack is arranged on one side of the connecting slide block, the rack passes through the fixed connecting plate, a swing connecting rod is hinged in the connecting slide block, one side of the swing connecting rod is provided with an abutting wheel which is hinged with the swing connecting rod, the supporting wheels are supported against the pull rope, symmetrical sliding connection box bodies are arranged on the upper side and the lower side of the fixed connection plate in a sliding manner, and a transmission clamping assembly which clamps the pull rope after the offsetting wheels which are abutted against the pull rope are deflected is arranged in the sliding connection box body and the fixed connection plate.
6. The hoisting device locking device of claim 5, wherein: the transmission clamping assembly comprises a side connecting box body arranged at the top of the fixed connecting plate, the side connecting box body is symmetrically arranged at two sides of the internal chute, a meshing gear is arranged in the side connecting box body in a rotating manner, the meshing gear is meshed with the rack, a transmission connecting inner cavity is arranged in the side connecting box body close to the pull rope, a rotating bevel gear is arranged in the transmission connecting inner cavity in a rotating manner, the rotating bevel gear and the meshing gear are coaxially arranged in a rotating manner, a side meshing bevel gear is arranged on one side of the rotating bevel gear in a meshing manner, a rotating external threaded rod is arranged on one side of the side meshing bevel gear, the rotating external threaded rod rotatably penetrates through the transmission connecting inner cavity and the side connecting box body, a connecting inner hole is arranged in the sliding connecting box body, and the connecting inner hole is in threaded fit connection with the rotating external threaded rod, an elastic clamping structure used for clamping the pull rope is arranged in the sliding connection box body.
7. The hoisting device locking device of claim 6, wherein: the elastic clamping structure comprises an internal sliding cavity arranged in the sliding connection box body, a matching connection plate is arranged in the internal sliding cavity in a sliding mode, a plurality of pressing blocks which are abutted to each other are arranged on one side of the matching connection plate, the pressing blocks which are abutted to the pull rope are arranged in a supporting mode, and a connection spring is elastically arranged between the matching connection plate and the end wall of the internal sliding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110550919.8A CN113443574A (en) | 2021-05-20 | 2021-05-20 | Locking device of hoisting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110550919.8A CN113443574A (en) | 2021-05-20 | 2021-05-20 | Locking device of hoisting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113443574A true CN113443574A (en) | 2021-09-28 |
Family
ID=77809997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110550919.8A Withdrawn CN113443574A (en) | 2021-05-20 | 2021-05-20 | Locking device of hoisting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113443574A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115520780A (en) * | 2022-11-28 | 2022-12-27 | 湖南路桥建设集团有限责任公司 | Lifting device for split type bridge |
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| CN107986164A (en) * | 2017-09-27 | 2018-05-04 | 河南省大方重型机器有限公司 | A kind of steel wire rope overload protection arrangement |
| CN107934818A (en) * | 2017-12-21 | 2018-04-20 | 大连华锐重工集团股份有限公司 | A kind of polar crane lifting mechanism with off-axis defencive function |
| CN108975176A (en) * | 2018-08-28 | 2018-12-11 | 青岛建集团有限公司 | A kind of hoist for construction material and its method for improving |
| CN112591631A (en) * | 2020-12-08 | 2021-04-02 | 白四春 | Logistics transportation unloading equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115520780A (en) * | 2022-11-28 | 2022-12-27 | 湖南路桥建设集团有限责任公司 | Lifting device for split type bridge |
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