CN219801683U - Electric control bidirectional braking paying-off pulley - Google Patents
Electric control bidirectional braking paying-off pulley Download PDFInfo
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- CN219801683U CN219801683U CN202321342221.8U CN202321342221U CN219801683U CN 219801683 U CN219801683 U CN 219801683U CN 202321342221 U CN202321342221 U CN 202321342221U CN 219801683 U CN219801683 U CN 219801683U
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- 238000013461 design Methods 0.000 description 3
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- 230000000712 assembly Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of electric power fittings, and aims to solve the problems that when the existing paying-off pulley performs tension stringing operation, cables in paying-off workshops drop down and serious casualties and property loss are caused to the lower part due to sudden traction loss or traction rope breakage; the utility model realizes the forward overspeed braking and reverse emergency braking functions which are needed urgently on the basis of considering the traditional paying-off pulley tension stringing function, and can brake the cable timely and actively.
Description
Technical Field
The utility model relates to the technical field of electric power fittings, in particular to an electric control bidirectional braking paying-off pulley.
Background
The paying-off pulley is a device for paying out corresponding threads when a tension is used for supporting a wire. The paying-off tackle can be divided into a wire paying-off tackle, a ground wire paying-off tackle, an optical fiber composite overhead ground wire paying-off tackle and the like according to the types of clues. The pulleys are classified according to the number of the pulleys and can be classified into single-wheel pulleys, three-wheel pulleys, five-wheel pulleys, seven-wheel pulleys, nine-wheel pulleys and the like.
When using the unwrapping wire coaster to carry out the tension stringing operation, probably because the cable sagging in each unwrapping wire smooth workshop falls because of sudden traction loss or haulage rope fracture, causes serious casualties and property loss to the below.
To solve this problem, there is a need for a device that can brake the cable in time during the tension stringing process when an abnormal condition (forward overspeed or reverse movement) occurs in the cable.
Disclosure of Invention
The utility model aims to provide an electric control bidirectional braking paying-off pulley, which solves the problems that when the existing paying-off pulley performs tension stringing operation, cables in paying-off workshops drop down and serious casualties and property loss are caused due to sudden traction loss or traction rope breakage.
The utility model is realized by adopting the following technical scheme:
the utility model provides an electric control bidirectional braking paying-off tackle which comprises a paying-off tackle main body, an electric control forward overspeed braking component and an electric control reverse braking component, wherein the electric control forward overspeed braking component and the electric control reverse braking component are respectively arranged at two sides of the paying-off tackle main body along the moving direction of a cable, so that forward overspeed braking and reverse braking of the cable are respectively realized, and the electric control forward overspeed braking component and the electric control reverse braking component realize braking through clamping the cable.
As a preferable technical scheme:
the electric control positive overspeed braking component comprises a braking component frame, a braking block sliding rail and a braking sliding block;
two brake block sliding rails are symmetrically arranged on the brake assembly rack, the distance between the two brake block sliding rails is gradually reduced along the direction away from the paying-off pulley main body, each brake block sliding rail is provided with a brake slide block, each brake slide block is provided with an inclined surface, the brake slide blocks are in sliding connection with the corresponding brake block sliding rail through the inclined surfaces, and the sliding direction of the brake slide blocks is consistent with the moving direction of a cable;
when the two braking sliding blocks move along the direction away from the paying-off pulley main body, the distance between the two braking sliding blocks is gradually reduced, the cable is positioned between the two braking sliding blocks, and the cable is clamped by the two braking sliding blocks to realize braking.
As a preferable technical scheme:
the opposite surfaces of the two braking sliding blocks are planes, and the opposite surfaces are parallel to the moving direction of the cable.
As a preferable technical scheme:
and elastic clamping layers are arranged on opposite surfaces of the two braking sliding blocks, and the braking sliding blocks are tightly contacted with the surface of the cable through the elastic clamping layers.
As a preferable technical scheme:
the electric control positive overspeed braking assembly further comprises an electric control lock, a braking spring and a locking hook;
the braking spring and the lock hook are respectively and fixedly connected to two ends of the braking sliding block along a direction parallel to the movement of the cable, one end of the braking spring is connected to the braking sliding block, the other end of the braking spring is connected to the braking component rack, the lock hook is connected to one end, close to the paying-off pulley main body, of the braking sliding block, the electric control lock is mounted on the braking component rack, and the lock hook is connected with the electric control lock, so that the braking spring is in a stretching state; when the cable is overspeed in the forward direction, the lock hook is disconnected with the electric control lock, and the braking spring contracts to drive the braking sliding block to move in the direction away from the paying-off pulley main body, so that the cable is braked.
As a preferable technical scheme:
the electric control lock is not limited to be detachably connected with the lock hook, the brake is carried out by utilizing a mode that the brake spring pulls the brake slide block, and other manual or electric telescopic mechanisms can drive the brake slide block to slide along the brake block slide rail to clamp the cable.
As a preferable technical scheme:
the electric control positive overspeed braking assembly further comprises a rear end supporting roller, an electric control box, a battery pack, an electronic speed measuring module and a speed measuring synchronous roller;
the electric control box is connected with the battery pack, and the battery pack is used for providing electric energy;
the rear end supporting roller and the speed measuring synchronous roller are respectively arranged at two ends of the brake assembly frame, the rear end supporting roller is arranged at one end of the brake assembly frame far away from the paying-off pulley main body, and the rear end supporting roller and the speed measuring synchronous roller are in contact with a cable;
the electronic speed measuring module is connected with the speed measuring synchronous roller through a synchronous belt and a synchronous belt pulley, and indirectly obtains the linear speed of the cable motion by detecting the rotating speed of the speed measuring synchronous roller; the electronic speed measuring module is electrically connected with the electric control box, a programmable control board is arranged in the electric control box, the electronic speed measuring module feeds measured speed data back to the programmable control board, and proprietary software in the programmable control board controls the electric control lock to be opened to trigger braking according to judgment of preset conditions.
As a preferable technical scheme:
the hardware structures of the electric control forward overspeed braking component and the electric control reverse braking component are the same, and the software in the programmable control boards of the two components is different.
As a preferable technical scheme:
the electric control forward overspeed braking assembly and/or the electric control reverse braking assembly are/is fixedly provided with a resetting device, and the resetting device comprises a resetting device frame, a resetting push block, a resetting driving motor and a resetting driving screw rod;
the electric control box is connected with the reset driving motor, the reset driving motor is installed on the reset device frame, the reset driving motor 103 is connected with the reset driving screw rod, the reset driving screw rod is driven to rotate through rotation of the motor, a sliding block is arranged on the reset driving screw rod, when the reset driving screw rod rotates, the sliding block moves on the reset driving screw rod along a straight line, the sliding block is connected with the reset pushing block, the reset pushing block is abutted to one end, away from the paying-off pulley main body, of the braking sliding block, and the reset pushing block can push the braking sliding block to move until the locking hook is clamped into the electric control lock, so that reset of the braking sliding block is realized.
As a preferable technical scheme:
and a protective cover is arranged outside the electric control forward overspeed braking component and the electric control reverse braking component.
As a preferable technical scheme:
the paying-off pulley main body comprises a left connecting rod, a paying-off pulley, a right connecting rod, a paying-off pulley and a paying-off pulley rotating shaft; the left connecting rod and the right connecting rod are respectively arranged at two sides of the paying-off pulley in the moving direction of the cable, the paying-off pulley is arranged on the paying-off pulley, the center of the paying-off pulley is provided with a paying-off pulley rotating shaft, and two ends of the paying-off pulley rotating shaft are hinged with a frame of the paying-off pulley.
As a preferable technical scheme:
the electric control forward overspeed braking component and the electric control reverse braking component are respectively hinged with the left connecting rod and the right connecting rod.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. the electric control bidirectional braking paying-off tackle disclosed by the utility model meets the requirements of cables, splicing sleeves and traction ropes, has the foundation function of the paying-off tackle, realizes the forward overspeed braking and reverse emergency braking functions which are needed urgently on the basis of taking the traditional paying-off tackle tension stringing function into consideration, changes the current situations that the common paying-off tackle does not have the functions of braking the cables, and cannot cope with the situation that the traction is lost or the traction ropes are broken, can actively brake the cables in time when the traction is lost or the traction ropes are broken and other emergency situations are caused, can provide enough braking force, meets the requirement of braking distance, and continues stringing operation after the traction returns to normal, so that secondary disasters after the cable slipping accident are avoided.
2. Through the modularized design, the utility model can realize the function addition of the existing products by additionally installing an installation interface on the common paying-off tackle and further installing the interfaces of the forward overspeed braking component and the reverse emergency braking component, and can also realize the maximum use of the existing equipment by simply dismantling the forward overspeed braking component and the reverse emergency braking component and using the electric control bidirectional braking paying-off tackle as the common paying-off tackle in the occasion without braking.
3. The utility model has compact structural design, convenient installation and maintenance, lower cost and convenient batch popularization and use.
4. The utility model has the function of remote start and stop, and can disable the braking function in the equipment debugging stage when the tension is put up, and can conveniently recover the braking function when the normal paying-off is completed by debugging, so that the equipment can not generate error braking when the equipment is used for debugging the drive cable.
5. The utility model has a one-key remote reset function, can remotely unlock after braking, and recover normal work, thereby greatly reducing manual operation content and operation difficulty.
6. The software in the programmable control board can be designed according to actual conditions, and the overspeed threshold can be flexibly set according to requirements, so that different braking requirements can be met.
7. The utility model is convenient for loading and unloading cables, and the paying-off pulley can be conveniently taken down after the wire is put up.
Drawings
Fig. 1 is a schematic structural view of an electronically controlled bi-directional braking paying-off tackle according to the present utility model.
Fig. 2 is a schematic structural view of the paying-off pulley body according to the present utility model.
FIG. 3 is a schematic diagram of the electronically controlled forward overspeed brake assembly and electronically controlled reverse brake assembly of the present utility model.
Fig. 4 is a bottom view of fig. 3.
Fig. 5 is an internal structural view of the reset device according to the present utility model.
Icon: 100-resetting device, 200-electric control forward overspeed braking component, 300-paying-off pulley main body, 400-electric control reverse braking component, 101-resetting device rack, 102-resetting push block, 103-resetting driving motor, 104-resetting driving screw rod, 201-rear end supporting roller, 202-electric control box, 203-battery pack, 204-braking component rack, 205-electric control lock, 206-electronic speed measuring module, 207-braking spring, 208-braking block sliding rail, 209-braking sliding block, 210-locking hook, 211-speed measuring synchronous roller, 301-left connecting rod, 302-paying-off pulley, 303-right connecting rod, 304-paying-off pulley and 305-paying-off pulley rotating shaft.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, the present embodiment provides an electronically controlled bi-directional braking paying-off tackle, which includes a paying-off tackle main body 300, an electronically controlled forward overspeed braking assembly 200, an electronically controlled reverse braking assembly 400, and a resetting device 100. The electric control forward overspeed braking assembly 200 and the electric control reverse braking assembly 400 are respectively arranged at two sides of the paying-off pulley main body 300 along the moving direction of the cable, and respectively realize the forward overspeed braking and the reverse emergency braking functions, so as to brake the cable (the wire or the ground wire). Protective covers are arranged outside the electric control forward overspeed brake assembly 200 and the electric control reverse brake assembly 400 and used for protecting the internal structures of the electric control forward overspeed brake assembly and the electric control reverse brake assembly. The reset device 100 may be fixedly mounted to the electronically controlled forward overspeed brake assembly 200 and/or the electronically controlled reverse brake assembly 400, as desired.
As shown in fig. 2, the payout block main body 300 includes a left link 301, a payout block 302, a right link 303, a payout pulley 304, and a payout pulley rotation shaft 305. The left connecting rod 301 and the right connecting rod 303 are respectively installed at two sides of the paying-off pulley 302 along the moving direction of the cable, the paying-off pulley 304 is installed on the paying-off pulley 302, the paying-off pulley rotating shaft 305 is arranged at the center of the paying-off pulley 304, and two ends of the paying-off pulley rotating shaft 305 are hinged with the frame of the paying-off pulley 302. The electronically controlled forward overspeed brake assembly 200 and the electronically controlled reverse brake assembly 400 are respectively articulated with the left side link 301 and the right side link 303.
As shown in fig. 3 and 4, the electronically controlled positive overspeed brake assembly 200 includes a rear end support roller 201, an electronic control box 202, a battery pack 203, a brake assembly frame 204, an electronic control lock 205, an electronic speed measurement module 206, a brake spring 207, a brake shoe slide 208, a brake slide 209, a latch hook 210, and a speed measurement synchronization roller 211.
Two brake block slide rails 208 are symmetrically installed on the brake assembly frame 204, the two brake block slide rails 208 are not arranged in parallel, but are arranged in an inclined manner at a certain angle, the distance between one ends of the two brake block slide rails 208 is larger than the distance between the other ends, one end with a larger distance is closer to the paying-off pulley main body 300 than the other end with a smaller distance, namely, the distance between the two brake block slide rails 208 is gradually reduced along the direction away from the paying-off pulley main body 300. The brake assembly frame 204 is provided with an inclined plane, and the brake block slide rail 208 is connected with the brake assembly frame 204 through the inclined plane.
Each brake block sliding rail 208 is provided with one brake slide block 209, the brake slide blocks 209 are in sliding connection with the brake block sliding rails 208, and the sliding direction of the brake slide blocks 209 is consistent with the cable moving direction. The brake slide block 209 is provided with an inclined plane, the inclined angle of the inclined plane is the same as that of the brake block slide rail 208, and the brake slide block 209 is in sliding connection with the corresponding brake block slide rail 208 through the inclined plane. The opposite surfaces of the two braking sliders 209 are planes, and the cable is located between the two braking sliders 209, so as to ensure the clamping effect of the braking sliders 209 on the cable, the opposite surfaces of the braking sliders 209 are parallel to the movement direction of the cable, and the distance between the braking sliders 209 and the cable is gradually reduced along the direction away from the paying-off pulley main body 300. The two brake shoes 209 gradually approach each other by sliding on the brake shoe slide rails 208 in a direction away from the pay-off pulley main body 300, and clamp the cable to brake. Elastic clamping layers are fixed on opposite surfaces of the two braking sliding blocks 209, and the elastic clamping layers are tightly contacted with the surface of the cable, so that the clamping force of the braking sliding blocks 209 on the cable can be ensured while the cable is protected from being damaged by friction.
The rear end supporting roller 201 and the speed measuring synchronous roller 211 are respectively installed at two ends of the brake assembly frame 204, the speed measuring synchronous roller 211 is closer to the paying-off pulley main body 300 than the rear end supporting roller 201, and the rear end supporting roller 201 and the speed measuring synchronous roller 211 are in contact with a cable.
The electric control box 202, the battery pack 203, the electric control lock 205 and the electronic speed measuring module 206 are mounted on the brake assembly frame 204, in this embodiment, the electric control box 202 and the battery pack 203 are mounted at one end provided with the rear end supporting roller 201, and the electric control lock 205 and the electronic speed measuring module 206 are mounted at one end provided with the speed measuring synchronous roller 211. In this embodiment, the electronic speed measuring module 206 employs an electronic sensor.
The electric control box 202 is connected with the battery pack 203, and the battery pack 203 is used for providing electric energy.
The speed measuring synchronous roller 211 rolls synchronously along with the movement of the cable, the electronic speed measuring module 206 is connected with the speed measuring synchronous roller 211 through a synchronous belt and a synchronous belt wheel, and the electronic speed measuring module 206 indirectly obtains the linear speed of the movement of the cable by detecting the rotating speed of the speed measuring synchronous roller 211. The electronic speed measurement module 206 is electrically connected with the electronic control box 202, a programmable control board is disposed in the electronic control box 202, the electronic speed measurement module 206 feeds back measured speed data to the programmable control board, and proprietary software in the programmable control board controls the electronic control lock 205 to be opened to trigger braking according to a preset condition after judgment.
The braking spring 207 and the locking hook 210 are respectively and fixedly connected to two ends of the braking sliding block 209 along a direction parallel to the movement of the cable, the locking hook 210 is connected with the electric control lock 205, one end of the braking spring 207 is connected to the braking sliding block 209, the other end is connected to the braking component rack 204, and when the locking hook 210 is connected with the electric control lock 205, the braking spring 207 is stretched to realize the power accumulation of the braking spring 207. When the electric control lock 205 is unlocked, the lock hook 210 is disengaged from the electric control lock 205, the brake slide block 209 moves along a direction parallel to the cable motion direction under the pull of the brake spring 207, the brake spring 207 can simultaneously drive the two brake slide blocks 209 to slide on the two brake block slide rails 208 respectively, and the brake slide blocks 209 are gradually closed until being clung in the sliding process on the brake block slide rails 208, so that the cable is clamped tightly to realize braking.
The hardware structures of the electric control forward overspeed braking assembly 200 and the electric control reverse braking assembly 400 are the same, the software in the programmable control boards of the two assemblies is different, and the software difference is used for realizing forward overspeed braking and reverse braking of a wire or a ground wire respectively; when the cable moves forward to overspeed or moves reversely, the electronic speed measuring module 206 feeds back the speed to the electronic control box 202, after the software in the programmable control board in the electronic control box 202 judges that the condition is met, the electronic control box triggers braking, the electronic control box is unlocked by the electronic control lock 205 to realize triggering, the braking sliding blocks 209 move away from the paying-off pulley main body 300 under the action of the pulling force of the braking springs 207, the two braking sliding blocks 209 are continuously closed, the cable/wire is continuously clamped after being contacted with the cable/wire, and the braking is realized on the cable/wire through friction resistance.
In this embodiment, the resetting device 100 is fixedly mounted on the electronically controlled positive overspeed brake assembly 200. As shown in fig. 5, the resetting device 100 includes a resetting device frame 101, a resetting push block 102, a resetting driving motor 103, and a resetting driving screw 104, the resetting device frame 101 is mounted on the electric control forward overspeed braking assembly 200, the resetting driving motor 103 is mounted on the resetting device frame 101, the resetting driving motor 103 is connected with the resetting driving screw 104, the resetting driving screw 104 is driven to rotate by rotation of the motor, a sliding block is disposed on the resetting driving screw 104, when the resetting driving screw 104 rotates, the sliding block moves on the resetting driving screw 104 along a straight line, the sliding block is connected with the resetting push block 102, the resetting push block 102 is abutted to one end of the braking sliding block 209 away from the paying-off pulley main body 300, and the electric control box 202 is connected with the resetting driving motor 103. When the programmable control board in the electric control box 202 receives the remote control signal, the reset driving motor 103 is driven to rotate, and then the reset driving screw 104 is driven to rotate, the sliding block connected with the reset driving screw 104 moves linearly, the reset pushing block 102 connected with the sliding block pushes the brake sliding block 209 to move until the lock hook 210 is clamped into the electric control lock 205, so that the reset of the brake sliding block 209 is realized. Through the structure, the one-key reset function is realized.
The utility model realizes the forward overspeed braking and reverse emergency braking functions which are needed urgently on the basis of considering the traditional paying-off pulley tension stringing function. Through the modularized design, the electric control forward overspeed brake assembly 200 and the electric control reverse brake assembly 400 are added to the common existing paying-off tackle, so that the electric control bidirectional braking paying-off tackle can be obtained, and can be used as the common paying-off tackle after the electric control forward overspeed brake assembly 200 and the electric control reverse brake assembly 400 are removed, and the application range is greatly increased.
The utility model adopts the electronic sensor detection and the programmable control board to combine the automatic control and the electric control triggering of the special software to realize the braking; the forward overspeed braking and reverse emergency braking functions are realized through electromechanical combination, and the device has a remote control start-stop braking function and a one-key remote control reset function; the remote control paying-off operation of the whole process after the threading is hung manually is realized. The utility model has compact structure, convenient installation and maintenance, lower cost and convenient batch popularization and use.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. An automatically controlled two-way braking unwrapping wire coaster, its characterized in that:
the electric control forward overspeed braking assembly (200) and the electric control reverse braking assembly (400) are respectively arranged at two sides of the paying-off pulley main body (300) along the moving direction of a cable, so that the cable can be braked forward overspeed and reversely, and the cable can be clamped by the electric control forward overspeed braking assembly (200) and the electric control reverse braking assembly (400);
the electric control positive overspeed braking assembly (200) comprises a braking assembly frame (204), a braking block sliding rail (208) and a braking sliding block (209);
two brake block sliding rails (208) are symmetrically arranged on the brake assembly frame (204), the distance between the two brake block sliding rails (208) is gradually reduced along the direction away from the paying-off pulley main body (300), one brake slide block (209) is arranged on each brake block sliding rail (208), the brake slide block (209) is provided with an inclined plane, the brake slide blocks (209) are in sliding connection with the corresponding brake block sliding rails (208) through the inclined planes, and the sliding direction of the brake slide blocks (209) is consistent with the cable moving direction;
when the two braking sliders (209) move in a direction away from the paying-off pulley main body (300), the distance between the two braking sliders is gradually reduced, a cable is positioned between the two braking sliders (209), and the cable is clamped by the two braking sliders (209) to realize braking.
2. The electronically controlled bi-directional braking payout trolley according to claim 1, wherein:
the opposite faces of the two braking sliders (209) are plane surfaces, and the opposite faces are parallel to the moving direction of the cable.
3. The electronically controlled bi-directional braking payout trolley according to claim 2, wherein:
elastic clamping layers are arranged on opposite surfaces of the two braking sliding blocks (209), and the braking sliding blocks (209) are tightly contacted with the surface of the cable through the elastic clamping layers.
4. The electronically controlled bi-directional braking payout trolley according to claim 1, wherein:
the electric control positive overspeed braking assembly (200) further comprises an electric control lock (205), a braking spring (207) and a locking hook (210);
the brake spring (207) and the lock hook (210) are respectively and fixedly connected to two ends of the brake slide block (209) along the direction parallel to the movement of the cable, one end of the brake spring (207) is connected to the brake slide block (209), the other end of the brake spring is connected to the brake assembly frame (204), the lock hook (210) is connected to one end, close to the pay-off pulley main body (300), of the brake slide block (209), the electric control lock (205) is mounted on the brake assembly frame (204), the lock hook (210) is connected with the electric control lock (205), and at the moment, the brake spring (207) is in a stretching state; when the cable is overspeed in the forward direction, the lock hook (210) is disconnected with the electric control lock (205), and the braking spring (207) contracts to drive the braking sliding block (209) to move in a direction away from the paying-off pulley main body (300) so as to brake the cable.
5. The electronically controlled bi-directional braking payout trolley as claimed in claim 4, wherein:
the electric control forward overspeed braking assembly (200) further comprises a rear end supporting roller (201), an electric control box (202), a battery pack (203), an electronic speed measuring module (206) and a speed measuring synchronous roller (211);
the electric control box (202) is connected with the battery pack (203), and the battery pack (203) is used for providing electric energy;
the rear end supporting roller (201) and the speed measuring synchronous roller (211) are respectively arranged at two ends of the brake assembly frame (204), the rear end supporting roller (201) is arranged at one end of the brake assembly frame (204) far away from the paying-off pulley main body (300), and the rear end supporting roller (201) and the speed measuring synchronous roller (211) are in contact with a cable;
the electronic speed measuring module (206) is connected with the speed measuring synchronous roller (211) through a synchronous belt and a synchronous belt wheel, and the electronic speed measuring module (206) indirectly obtains the linear speed of the cable motion by detecting the rotating speed of the speed measuring synchronous roller (211); the electronic speed measuring module (206) is electrically connected with the electronic control box (202), a programmable control board is arranged in the electronic control box (202), and the electronic speed measuring module (206) feeds measured speed data back to the programmable control board.
6. The electronically controlled bi-directional braking payout trolley as claimed in claim 5, wherein:
the electric control forward overspeed braking assembly (200) and/or the electric control reverse braking assembly (400) are/is fixedly provided with a resetting device (100), and the resetting device (100) comprises a resetting device frame (101), a resetting push block (102), a resetting driving motor (103) and a resetting driving screw rod (104);
the electric control box (202) is connected with the reset driving motor (103), the reset driving motor (103) is installed on the reset device frame (101), the reset driving motor (103) is connected with the reset driving screw (104), the reset driving screw (104) is driven to rotate through rotation of the motor, a sliding block is arranged on the reset driving screw (104), when the reset driving screw (104) rotates, the sliding block moves on the reset driving screw (104) along a straight line, the sliding block is connected with the reset pushing block (102), the reset pushing block (102) is abutted to one end, away from the paying-off main body (300), of the brake sliding block (209) is pushed by the reset pushing block (102) until the lock hook (210) is clamped into the electric control lock (205), and reset of the brake sliding block (209) is achieved.
7. An electronically controlled bi-directional braking pay-off trolley according to any one of claims 1 to 6, wherein:
and protective covers are arranged outside the electric control forward overspeed braking component (200) and the electric control reverse braking component (400).
8. The electronically controlled bi-directional braking payout trolley as claimed in claim 7, wherein:
the paying-off pulley body (300) comprises a left connecting rod (301), a paying-off pulley (302), a right connecting rod (303), a paying-off pulley (304) and a paying-off pulley rotating shaft (305); the left connecting rod (301) and the right connecting rod (303) are respectively arranged on two sides of the paying-off pulley (302) along the moving direction of the cable, the paying-off pulley (304) is arranged on the paying-off pulley (302), the center of the paying-off pulley (304) is provided with a paying-off pulley rotating shaft (305), and two ends of the paying-off pulley rotating shaft (305) are hinged with a frame of the paying-off pulley (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342221.8U CN219801683U (en) | 2023-05-30 | 2023-05-30 | Electric control bidirectional braking paying-off pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342221.8U CN219801683U (en) | 2023-05-30 | 2023-05-30 | Electric control bidirectional braking paying-off pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219801683U true CN219801683U (en) | 2023-10-03 |
Family
ID=88183906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321342221.8U Active CN219801683U (en) | 2023-05-30 | 2023-05-30 | Electric control bidirectional braking paying-off pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219801683U (en) |
-
2023
- 2023-05-30 CN CN202321342221.8U patent/CN219801683U/en active Active
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