CN115465801B - Take safety brake's hoist mechanism - Google Patents
Take safety brake's hoist mechanism Download PDFInfo
- Publication number
- CN115465801B CN115465801B CN202211341623.6A CN202211341623A CN115465801B CN 115465801 B CN115465801 B CN 115465801B CN 202211341623 A CN202211341623 A CN 202211341623A CN 115465801 B CN115465801 B CN 115465801B
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- CN
- China
- Prior art keywords
- sliding
- guide
- frame
- guide rail
- safety brake
- 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.)
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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
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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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
-
- 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
- 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)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a winding mechanism with a safety brake, which comprises a mounting frame, a safety brake assembly, a roller mounting assembly, a guide buffer assembly, a roller support and a motor roller, wherein the safety brake assembly consists of a power motor, a motor brake body, a speed reducer body and a safety brake body.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a hoisting mechanism with a safety brake.
Background
Safety brake is the insurance mechanism of hoist equipment, bear important effect in the operation process of equipment, present safety brake presss from both sides tight cylinder flange outside through hydraulic pressure mechanism and follows and brake, this kind of safety brake structure volume is great, it is relatively account for the space, 4 this kind of hydraulic pressure mechanism's safety brake are to be joined in marriage even to a reel, cause mechanism installation space not enough, and the braking cost of equipment has been increased, the inside at the mechanism is installed in the most cooperation of the cylinder of current hoist mechanism simultaneously, the installation is dismantled the process loaded down with trivial details, the intensity of labour of staff's maintenance of equipment has been increased, and current hoist mechanism lacks buffer structure and cushions the slant pulling force that produces in the operation process, easily cause the wiring disorder of cylinder when the mechanism receives slant pulling force, thereby the job stabilization nature of mechanism has been influenced, therefore it is very necessary to design a hoist mechanism who takes safety brake.
Disclosure of Invention
The invention aims to provide a hoisting mechanism with a safety brake, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a take safety brake's hoist mechanism, includes mounting bracket, safety brake subassembly, cylinder installation component, direction buffering subassembly, roller bracket, connecting axle, motor drum, first connecting piece, protruding piece and second connecting piece, the safety brake subassembly comprises motor power, motor brake body, speed reducer body and safety brake body, and the motor power is gone up the cooperation and is installed the motor brake body, and motor power passes through the first slide plate bottom of bolt fixed mounting in cylinder installation component.
Preferably, the cylinder installation component is by first slide plate, first slip frame, the guide rail that slides, first bolt, first groove, first guided way, the second groove that slides, the second slip frame, the second slide plate, second bolt and support frame are constituteed, top one side of first slide plate evenly is provided with first slip frame, and first slip frame sliding connection is on the guide rail that slides, the guide rail that slides is fixed on one side of mounting bracket, be provided with first bolt in the through-hole that first slip frame was seted up, and the one end of first bolt and the mutual laminating of guide rail that slides.
Preferably, first sliding grooves are evenly formed in one side of the top of the first sliding plate, first guide rails are connected in the first sliding grooves in a sliding mode, one ends of the first guide rails are fixed to one side of the top of the roller support through bolts, and one side, away from the first guide rails, of the roller support is rotatably connected with a connecting shaft through bearings.
Preferably, the one end of connecting axle is fixed on the motor cylinder, and the speed reducer body is installed in the embedding in the through-hole that motor cylinder one end was seted up, and the output of speed reducer body runs through the first connecting piece of cylinder support fixedly connected with, and one side of first connecting piece evenly is provided with protruding piece, and protruding piece cooperation is connected in the recess of seting up on one side of the second connecting piece, and the second connecting piece is fixed to be cup jointed on power motor's output.
Preferably, the sliding guide rail is connected with a second sliding frame in a sliding mode, a second bolt is arranged in a through hole formed in the second sliding frame, one end of the second bolt is attached to the sliding guide rail, the second sliding frame is fixed to one side of the top of a second sliding plate, second sliding grooves are symmetrically formed in the top of the second sliding plate, a safety brake body is arranged on one side of the bottom of the second sliding plate, and the safety brake body is connected to the connecting shaft in a matched mode.
Preferably, a second guide rail is connected to the second sliding groove in a sliding mode, one end of the second guide rail is fixed to the top of the roller support through a bolt, a support frame is connected to the bottom of the roller support in a sliding mode, and the support frame is fixed to one side of the mounting frame.
Preferably, the bottom of roller bracket is provided with the link span in the direction buffering subassembly, the direction buffering subassembly comprises link span, direction slide bar, guide arm, deflector, guide block, buffering support, buffer spring, bracing piece and guide ring, is provided with the direction slide bar between the link span, and sliding connection has the deflector on the direction slide bar.
Preferably, the guide rod is connected in a sliding manner in the through hole formed in the guide plate and fixed between the connecting frames, the guide block is arranged at the top of the guide plate and is connected in a rope groove on the motor roller in a matching manner, the buffering support is arranged at the bottom of the guide plate, the supporting rod is connected in the through hole formed in the buffering support in a sliding manner, one end of the supporting rod is fixed on the guide ring, the guide ring is located between the buffering supports, the buffering springs are symmetrically arranged on the guide ring, the supporting rod is located inside the buffering springs, and one end of each buffering spring is fixed on the buffering support.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides a take safety brake's hoist mechanism, install in motor drum through with the embedding of speed reducer body, the safety brake body is installed in the cooperation on the connecting axle simultaneously, form the line style of calligraphy range structure of motor brake body and safety brake body, during the braking, motor brake body brakes the motor, the safety brake body carries out the braking of postponing to connecting axle and motor drum afterwards, the braking cost of equipment has been reduced when practicing thrift installation space, utilize the cylinder installation component who sets up to fix cylinder support and motor drum on the mounting bracket, when dismantling motor drum, at first lift first bolt and second bolt off, later make first slip frame and second slip frame respectively to the direction removal of keeping away from cylinder support, drive first slip plate and second slip plate respectively with first guided way and second guided way separation, can take out cylinder support and motor drum along the support frame afterwards, the installation dismantlement process of mechanism has been simplified, the intensity of labour of staff's maintenance of equipment has been alleviateed, the mechanism operation in-process, through the mutually supporting of guide block and motor drum upper rope groove, drive the deflector, buffer support and motor drum slide ring, the direction of guide ring receive the wrong tensile force of oblique motor rope to the mechanism of buffering, thereby the stability of the buffering rope is restricted, thereby the mechanism is carried out the wrong, the tensile force of the motor drum.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
FIG. 3 is an enlarged view of a portion of the area B in FIG. 1;
FIG. 4 is an enlarged view of a portion of the area C of FIG. 1;
FIG. 5 is a three-dimensional view of the overall structure of the present invention;
FIG. 6 is a three-dimensional view of a partial structure of the present invention;
in the figure: 1. a mounting frame; 2. a safety brake assembly; 3. a drum mounting assembly; 4. a guide cushion assembly; 5. a drum support; 6. a connecting shaft; 7. a motor drum; 8. a first connecting member; 9. a raised block; 10. a second connecting member; 201. a power motor; 202. a motor brake body; 203. a speed reducer body; 204. a safety brake body; 301. a first slide plate; 302. a first sliding frame; 303. a sliding guide rail; 304. a first bolt; 305. a first sliding groove; 306. a first guide rail; 307. a second guide rail; 308. a second sliding groove; 309. a second sliding frame; 310. a second slide plate; 311. a second bolt; 312. a support frame; 401. a connecting frame; 402. a guide slide bar; 403. a guide bar; 404. a guide plate; 405. a guide block; 406. a buffer bracket; 407. a buffer spring; 408. a support bar; 409. a guide ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: a hoisting mechanism with a safety brake comprises a mounting frame 1, a safety brake component 2, a roller mounting component 3, a guide buffer component 4, a roller bracket 5, a connecting shaft 6, a motor roller 7, a first connecting piece 8, a protruding block 9 and a second connecting piece 10, wherein the safety brake component 2 comprises a power motor 201, a motor brake body 202, a speed reducer body 203 and a safety brake body 204, the power motor 201 is provided with the motor brake body 202 in a matching way, the power motor 201 is fixedly arranged at the bottom of a first sliding plate 301 in the roller mounting component 3 through bolts, the roller mounting component 3 comprises a first sliding plate 301, a first sliding frame 302, a sliding guide rail 303, a first bolt 304, a first sliding groove 305, a first guide rail 306, a second guide rail 307, a second sliding groove 308, a second sliding frame 309, a second sliding plate 310, a second bolt 311 and a support frame 312, one side of the top of the first sliding plate 301 is uniformly provided with a first sliding frame 302, the first sliding frame 302 is slidably connected to a sliding guide rail 303, the sliding guide rail 303 is fixed on one side of the mounting frame 1, a first bolt 304 is arranged in a through hole formed in the first sliding frame 302, one end of the first bolt 304 is attached to the sliding guide rail 303, one side of the top of the first sliding plate 301 is uniformly provided with a first sliding groove 305, the first sliding groove 305 is slidably connected with a first guide rail 306, one end of the first guide rail 306 is fixed on one side of the top of the roller bracket 5 through a bolt, one side of the roller bracket 5 far away from the first guide rail 306 is rotatably connected with a connecting shaft 6 through a bearing, one end of the connecting shaft 6 is fixed on the motor roller 7, the reducer body 203 is embedded in the through hole formed in one end of the motor roller 7, the output end of the reducer body 203 penetrates through the roller bracket 5 and is fixedly connected with a first connecting piece 8, one side of the first connecting piece 8 is uniformly provided with convex blocks 9, the convex blocks 9 are matched and connected in a groove arranged on one side of the second connecting piece 10, the second connecting piece 10 is fixedly sleeved on the output end of the power motor 201, the sliding guide rail 303 is connected with a second sliding frame 309 in a sliding way, a through hole arranged on the second sliding frame 309 is provided with a second bolt 311, one end of the second bolt 311 is mutually attached to the sliding guide rail 303, the second sliding frame 309 is fixed on one side of the top of the second sliding plate 310, the top of the second sliding plate 310 is symmetrically provided with a second sliding groove 308, one side of the bottom of the second sliding plate 310 is provided with a safety brake body 204, the safety brake body 204 is matched and connected on the connecting shaft 6, a second guide rail 307 is connected in the second sliding groove 308 in a sliding way, and one end of the second guide rail 307 is fixed on the top of the roller bracket 5 through a bolt, the bottom of the roller bracket 5 is connected with a support frame 312 in a sliding manner, the support frame 312 is fixed on one side of the mounting frame 1, the bottom of the roller bracket 5 is provided with a connecting frame 401 in a guide buffer component 4, the guide buffer component 4 is composed of the connecting frame 401, guide slide rods 402, guide rods 403, a guide plate 404, a guide block 405, buffer brackets 406, buffer springs 407, support rods 408 and guide rings 409, the guide slide rods 402 are arranged between the connecting frames 401, the guide plate 404 is connected on the guide slide rods 402 in a sliding manner, the guide rods 403 are connected in through holes formed in the guide plate 404 in a sliding manner, the guide rods 403 are fixed between the connecting frames 401, the top of the guide plate 404 is provided with the guide block 405, the guide block 405 is connected in a rope groove on the motor roller 7 in a matching manner, the buffer brackets 406 are arranged at the bottom of the guide plate 404, and the support rods 408 are connected in the through holes formed in the buffer brackets 406 in a sliding manner, one end of the supporting rod 408 is fixed on the guide ring 409, the guide ring 409 is located between the buffer supports 406, the buffer springs 407 are symmetrically arranged on the guide ring 409, the supporting rod 408 is located inside the buffer springs 407, one end of each buffer spring 407 is fixed on the buffer support 406, and the inclined pulling force generated by the mooring rope is buffered by the aid of the arranged buffer springs 407, so that the structural stability of the mechanism is improved.
The working principle is as follows: when in use, firstly, the power motor 201 provided with the motor brake body 202 is arranged at the bottom of the first sliding plate 301, then the safety brake body 204 is arranged at the bottom of the second sliding plate 310, then the first sliding plate 301 and the second sliding plate 310 are respectively connected on the mounting frame 1 in a sliding way through the mutual matching of the first sliding frame 302 and the second sliding frame 309 with the sliding guide rail 303, then the roller bracket 5 is moved to one side of the mounting frame 1 along the direction of the supporting frame 312, then the first sliding plate 301 and the second sliding plate 310 are close to the roller bracket 5, then the first sliding frame 302 and the second sliding frame 309 are respectively fixed through the first bolt 304 and the second bolt 311, the roller bracket 5 is limited through the mutual matching of the first guide rail 306 with the first sliding plate 301 and the second guide rail 307 with the second sliding plate 310, the roller bracket 5 is fixed on one side of the mounting frame 1 to prevent the roller bracket 5 from sliding out of the supporting frame 312, the convex blocks 9 on the first connecting piece 8 are matched and connected in the grooves on the second connecting piece 10, meanwhile, the safety brake body 204 is matched and connected on the connecting shaft 6, the speed reducer body 203 is embedded and installed in the motor roller 7, meanwhile, the safety brake body 204 is matched and installed on the connecting shaft 6 to form a linear arrangement structure of the motor brake body 202 and the safety brake body 204, during braking, the motor brake body 202 brakes the power motor 201, then, the safety brake body 204 carries out delayed braking on the connecting shaft 6 and the motor roller 7, the installation space is saved, the braking cost of the equipment is reduced, the roller bracket 5 and the motor roller 7 are fixed on the mounting frame 1 by using the arranged roller installation component 3, when the motor roller 7 is disassembled, firstly, the first bolt 304 and the second bolt 311 are dismounted, then the first sliding frame 302 and the second sliding frame 309 are respectively moved towards the direction far away from the roller bracket 5, the first sliding plate 301 and the second sliding plate 310 are driven to be respectively separated from the first guide rail 306 and the second guide rail 307, and then the roller bracket 5 and the motor roller 7 can be taken out along the support frame 312, so that the mounting and dismounting processes of the mechanism are simplified, the labor intensity of workers for maintaining equipment is reduced, in the operation process of the mechanism, the guide block 405 and the rope groove on the motor roller 7 are mutually matched to drive the guide plate 404, the buffer bracket 406 and the guide ring 409 to slide along the direction of the guide slide rod 402, the rope outlet position of the motor roller 7 is limited, meanwhile, the oblique tension generated by the cable rope is buffered by the buffer spring 407, the rope winding disorder of the motor roller 7 caused by the oblique tension of the mechanism is avoided, and the working stability of the mechanism is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a take safety brake's hoist mechanism, includes mounting bracket (1), safety brake subassembly (2), cylinder installation component (3), direction buffering subassembly (4), roller bracket (5), connecting axle (6), motor drum (7), first connecting piece (8), protruding piece (9) and second connecting piece (10), its characterized in that: the safety brake assembly (2) comprises a power motor (201), a motor brake body (202), a speed reducer body (203) and a safety brake body (204), the power motor (201) is provided with the motor brake body (202) in a matching manner, the power motor (201) is fixedly arranged at the bottom of a first sliding plate (301) in a roller mounting assembly (3) through bolts, the roller mounting assembly (3) comprises the first sliding plate (301), a first sliding frame (302), a sliding guide rail (303), a first bolt (304), a first sliding groove (305), a first guide rail (306), a second guide rail (307), a second sliding groove (308), a second sliding frame (309), a second sliding plate (310), a second bolt (311) and a support frame (312), the first sliding frame (302) is uniformly arranged on one side of the top of the first sliding plate (301), the first sliding frame (302) is slidably connected to the sliding guide rail (303), the sliding guide rail (303) is fixed on one side of the first sliding frame (301), one side of the first sliding frame (306) is uniformly connected to one side of the first sliding groove (306), and one side of the first sliding frame (306) is uniformly connected to one side of the sliding rail (305), and one side of the roller support (5) far away from the first guide rail (306) is rotatably connected with a connecting shaft (6) through a bearing, one end of the connecting shaft (6) is fixed on the motor roller (7), a speed reducer body (203) is embedded in a through hole formed in one end of the motor roller (7), the output end of the speed reducer body (203) penetrates through the roller support (5) and is fixedly connected with a first connecting piece (8), one side of the first connecting piece (8) is uniformly provided with a protruding block (9), the protruding block (9) is connected in a groove formed in one side of a second connecting piece (10) in a matching manner, the second connecting piece (10) is fixedly sleeved on the output end of the power motor (201), the sliding guide rail (303) is slidably connected with a second sliding frame (309), the second sliding frame (309) is fixed on one side of the top of the second sliding plate (310), a second sliding groove (308) is symmetrically formed in the top of the second sliding plate (310), one side of the bottom of the second sliding plate (310) is provided with a safety brake body (204), the safety brake body (204) is connected on the connecting shaft (6) in a matching manner, a buffer assembly (401) arranged in the guide rail (4) of the roller support (5), and a buffer assembly (401) is arranged in the guide frame (401) and a buffer assembly (401) is arranged in the guide rail (4) and a guide frame (401) and a guide assembly (401) is arranged in the guide rail (4) and a buffer assembly (4) and a guide frame (401) is arranged in the roller support (4) and is arranged in the roller support (7), guide rod (403), deflector (404), guide block (405), buffer bracket (406), buffer spring (407), bracing piece (408) and guide ring (409) constitute, be provided with guide slide bar (402) between link (401), and sliding connection has deflector (404) on guide slide bar (402), sliding connection has guide rod (403) in the through-hole seted up on deflector (404), and guide rod (403) are fixed between link (401), the top of deflector (404) is provided with guide block (405), and guide block (405) cooperation is connected in the grooving on motor drum (7), the bottom of deflector (404) is provided with buffer bracket (406), and sliding connection has bracing piece (408) in the through-hole seted up on buffer bracket (406), the one end of bracing piece (408) is fixed on guide ring (409), and guide ring (409) is located between buffer bracket (406), the last symmetry of guide ring (409) is provided with buffer spring (407), and bracing piece (408) are located the inside of buffer spring (407), the one end of buffer spring (407) is fixed on buffer bracket (409).
2. The hoisting mechanism with the safety brake as claimed in claim 1, wherein: and a second bolt (311) is arranged in a through hole formed in the second sliding frame (309), and one end of the second bolt (311) is attached to the sliding guide rail (303).
3. The hoisting mechanism with the safety brake as claimed in claim 1, wherein: a first bolt (304) is arranged in a through hole formed in the first sliding frame (302), and one end of the first bolt (304) is attached to the sliding guide rail (303).
4. The hoisting mechanism with the safety brake as claimed in claim 1, wherein: the second sliding groove (308) is connected with a second guide rail (307) in a sliding mode, one end of the second guide rail (307) is fixed to the top of the roller support (5) through a bolt, the bottom of the roller support (5) is connected with a support frame (312) in a sliding mode, and the support frame (312) is fixed to one side of the mounting frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211341623.6A CN115465801B (en) | 2022-10-31 | 2022-10-31 | Take safety brake's hoist mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211341623.6A CN115465801B (en) | 2022-10-31 | 2022-10-31 | Take safety brake's hoist mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115465801A CN115465801A (en) | 2022-12-13 |
| CN115465801B true CN115465801B (en) | 2023-03-17 |
Family
ID=84336166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211341623.6A Active CN115465801B (en) | 2022-10-31 | 2022-10-31 | Take safety brake's hoist mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115465801B (en) |
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| CN102040141A (en) * | 2009-10-15 | 2011-05-04 | 河南理工大学 | Rope-free lifting machine using lifting force as brake drive force |
| CN103508344A (en) * | 2012-06-29 | 2014-01-15 | 沃恩工业有限公司 | Winch |
| CN110127547A (en) * | 2019-04-28 | 2019-08-16 | 江苏中惠舞台设备技术有限公司 | Flow-type automatic arranging rope hoist engine |
| CN110203819A (en) * | 2019-05-22 | 2019-09-06 | 南京禄口起重机械有限公司 | A kind of electric block |
| CN209548716U (en) * | 2019-01-29 | 2019-10-29 | 上海虎跃舞台设备科技有限公司 | A kind of vertical sunpender unit |
| CN212475945U (en) * | 2020-06-30 | 2021-02-05 | 山东明威起重设备有限公司 | Tower crane hoisting mechanism brake protection device |
| CN213387572U (en) * | 2020-08-24 | 2021-06-08 | 陕西华萃路桥工程有限责任公司 | Hoist engine for road and bridge engineering |
| CN214828607U (en) * | 2021-06-04 | 2021-11-23 | 河南起重机器有限公司 | Crane for rail container |
| CN114148935A (en) * | 2022-02-09 | 2022-03-08 | 江苏格雷特起重机械有限公司 | Hoist protection device of crane |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170015536A1 (en) * | 2014-05-13 | 2017-01-19 | Mitsubishi Electric Corporation | Brake device for elevator hoist |
| CN217458594U (en) * | 2022-07-06 | 2022-09-20 | 武汉鑫刚强起重设备有限公司 | Equipment for intelligent manufacturing of hoisting equipment |
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2022
- 2022-10-31 CN CN202211341623.6A patent/CN115465801B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040141A (en) * | 2009-10-15 | 2011-05-04 | 河南理工大学 | Rope-free lifting machine using lifting force as brake drive force |
| CN103508344A (en) * | 2012-06-29 | 2014-01-15 | 沃恩工业有限公司 | Winch |
| CN209548716U (en) * | 2019-01-29 | 2019-10-29 | 上海虎跃舞台设备科技有限公司 | A kind of vertical sunpender unit |
| CN110127547A (en) * | 2019-04-28 | 2019-08-16 | 江苏中惠舞台设备技术有限公司 | Flow-type automatic arranging rope hoist engine |
| CN110203819A (en) * | 2019-05-22 | 2019-09-06 | 南京禄口起重机械有限公司 | A kind of electric block |
| CN212475945U (en) * | 2020-06-30 | 2021-02-05 | 山东明威起重设备有限公司 | Tower crane hoisting mechanism brake protection device |
| CN213387572U (en) * | 2020-08-24 | 2021-06-08 | 陕西华萃路桥工程有限责任公司 | Hoist engine for road and bridge engineering |
| CN214828607U (en) * | 2021-06-04 | 2021-11-23 | 河南起重机器有限公司 | Crane for rail container |
| CN114148935A (en) * | 2022-02-09 | 2022-03-08 | 江苏格雷特起重机械有限公司 | Hoist protection device of crane |
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| Publication number | Publication date |
|---|---|
| CN115465801A (en) | 2022-12-13 |
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