Monorail lifting appliance
By introducing a handbrake mechanism into the monorail spreader and utilizing friction braking between rubber blocks and rollers, the problem of inconvenient braking and failure of manually driven monorail spreaders is solved, and safe and reliable automatic braking control is achieved.
Patent Information
- Application Number
- CN202511146646.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-15
- Publication Date
- 2025-10-10
AI Technical Summary
The existing manually driven monorail spreader is difficult to brake and prone to failure, affecting production safety.
A handbrake mechanism is used, which uses the elastic repulsive force of the compression spring to make the rubber block and the roller frictionally fit together to achieve automatic braking, and the braking control is achieved by limiting the position of the tow rope by tightening the bolt.
It improves the reliability and safety of braking, avoids brake failure, is easy to operate and has strong adaptability.
Smart Images
Figure CN120756995A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a sling, in particular to a monorail sling. Background Art
[0002] Compared with other types of spreaders, monorail spreaders have the characteristics of simple structure and easy mobility, and can be used for short-distance transportation. However, existing manually driven monorail spreaders are often not convenient when braking, and even lack a braking mechanism. Therefore, when adapting to some complex usage environments, brake failure is prone to occur, thereby affecting production safety and highlighting the shortcomings of existing technologies. Summary of the Invention
[0003] The object of the present invention is to provide a monorail spreader to solve the technical problems of inconvenient braking and easy failure of the existing manually driven monorail spreader.
[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: A monorail hoist comprises a track, a support frame, a roller group, a lifting support, a handbrake mechanism, and a connecting support. The track is installed with a support frame, and the support frame is rotatably connected to the roller group. The rollers and the track are in rolling friction, and the support frame utilizes the rolling friction between the rollers and the track to achieve sliding along the track. The track has multiple lifting supports, each of which is fixed to the top of an external support object. The support frame is installed with a controllable handbrake mechanism, and a connecting support for connecting to a heavy object to be lifted is installed at the bottom. The handbrake mechanism is used to brake the relative position of the support frame relative to the track.
[0005] The hook at two return spring two ends is hooked on the return spring two ends, and a bar passes position between the end of two return springs and the return spring two ends, and a bar passes position between the end of two return springs.
[0006] On the basis of the above technical scheme, the No. 1 anchor rod is inserted through and connected with the lifting plate up and down, and two No. 1 clamping nuts are threadedly connected at the bottom, and two No. 1 elastic washers are placed between the two No. 1 clamping nuts, and the No. 1 elastic washer is inserted with a gap between the No. 1 anchor rod, and the two No. 1 clamping nuts clamp the upper and lower parts of the lifting plate respectively through the two No. 1 elastic washers. Each No. 2 anchor rod is inserted through and connected with the connecting plate and the lifting plate at the same time, and two No. 2 clamping nuts are threadedly connected at the bottom, and two No. 2 elastic washers are placed between the two No. 2 clamping nuts, and the No. 2 elastic washers are inserted with a gap between the bottom of the No. 2 anchor rod, and the two No. 2 clamping nuts clamp the bottom of the lifting plate and the top of the connecting plate respectively through the two No. 2 elastic washers, and the top of the No. 1 anchor rod and the top of the No. 2 anchor rod are fixed to the top of the inner wall of the rock body.
[0007] On the basis of the above technical solution, the roller group includes rollers, the connecting support includes a suspension plate, a hanging ring, and a hook, and the left and right parts of the support frame are each rotatably connected to a group of rollers, the rollers in each group are arranged in the front-to-back direction, and the axial direction is arranged left and right, and each of the rollers rolls and rubs against the bottom of the I-beam monorail, a vertical suspension plate is fixed to the bottom of the support frame, and the suspension plate is hinged with a smooth hanging ring front and back, the bottom of the hanging ring is limitedly connected to a cable or an iron chain, and the bottom of the cable or the bottom of the iron chain is limitedly connected to a hook.
[0008] On the basis of the above technical solution, the handbrake mechanism includes a lifting frame, a polished rod, a compression spring, a rubber block, a tow rope, a connecting frame, and a tightening bolt. The left and right parts of the support frame are each connected to the lifting frame for sliding up and down. The bottom of the two lifting frames is respectively fixed with a vertical polished rod. The two polished rods are respectively connected to the bottom of the support frame for sliding up and down. The bottom of the two lifting frames is respectively fixed with a vertical compression spring together with the bottom of the support frame. The two compression springs are respectively inserted outside the polished rod. The lifting frame has a tendency to move upward under the elastic repulsive force of the compression spring. The two The lifting frame is respectively connected to the left and right with rubber blocks, and each of the rubber blocks is fastened to the lifting frame by bolts. The rubber block is small at the top and large at the bottom, and can simultaneously frictionally fit with the rollers in the front and rear directions to brake the rollers. The bottoms of the two polished rods are respectively connected to tow ropes in a limited manner, and the bottoms of the two tow ropes are commonly connected to a connecting frame up and down. The connecting frame is plugged into the rope or chain with an upper and lower gap, and the left and right parts of the connecting frame are each threaded with a tightening bolt, and the two tightening bolts can tighten the tow ropes respectively to limit the position of the tow ropes compared to the connecting frame.
[0009] Compared with the prior art, the present invention has the following advantages: the present invention brakes through a handbrake mechanism to limit the position of the support frame relative to the track, that is, when there is no external force dragging the tow rope, under the elastic repulsive force of the compression spring, the rubber block moves up, thereby frictionally fitting with the rollers on the front and rear sides, thereby limiting the rotation of the rollers, thereby achieving braking, without the need for manual operation, thereby improving safety and not prone to failure. When the support frame needs to be moved, the rubber block can be disengaged from the roller by manually pulling down one of the tow ropes or the connecting frame, thereby releasing the brake, which is easy to operate and reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the axonometric structure of the present invention.
[0011] Figure 2 It is a schematic diagram of the partially enlarged structure of point A of the present invention.
[0012] Figure 3 This is a schematic diagram of the cooperation between the No. 1 anchor rod, the No. 2 anchor rod and the I-shaped monorail of the present invention.
[0013] Figure 4 It is a schematic diagram of the partially enlarged structure of point B of the present invention.
[0014] Figure 5 It is a schematic diagram of the partially enlarged structure of point C of the present invention.
[0015] Figure 6 It is a schematic diagram of the cooperation between the suspension plate and the suspension ring of the present invention.
[0016] Figure 7 Schematic diagram of the cooperation between the roller and the rubber block of the present invention.
[0017] In the figure: 1. Track, 2. Support frame, 7. I-beam monorail, 8. Support seat, 9. Support screw, 10. Support nut, 11. Connector, 12. Lifting plate, 13. Connecting plate, 14. Clamping nut No. 1, 15. Elastic washer No. 1, 16. Clamping nut No. 2, 17. Roller, 18. Suspension plate, 19. Lifting ring, 20. Hook, 21. Lifting frame, 22. Bare rod, 23. Compression spring, 24. Rubber block, 25. Tow rope, 26. Connecting frame, 27. Tightening bolt, 28. Anchor rod No. 2, 29. Elastic washer No. 2, 30. Anchor rod No. 1. DETAILED DESCRIPTION
[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0019] like Figures 1-7As shown, a monorail hoist includes a track 1, a support frame 2, a roller group, a lifting support, a handbrake mechanism, and a connecting support. The track 1 is installed with a support frame 2, and the support frame 2 is rotatably connected to the roller group. The roller 17 rolls with the track 1, and the support frame 2 utilizes the rolling friction between the roller 17 and the track 1 to slide along the track 1. The track 1 has multiple lifting supports, and each of the lifting supports is fixed to the top of an external support. The support frame 2 is installed with a controllable handbrake mechanism, and a connecting support for connecting to a heavy object to be lifted is installed at the bottom. The handbrake mechanism is used to brake the relative position of the support frame 2 relative to the track 1.
[0020] When in use, the lifting support is connected to the external support (such as the top of the tunnel) to limit the position of the track 1, and the connecting support is connected to the external heavy object to be lifted, and then the connecting support is manually pushed and pulled to drive the support frame 2 to move back and forth along the track 1, thereby realizing short-distance transportation. During this period, the handbrake mechanism is used to brake to limit the position of the support frame 2 relative to the track 1.
[0021] The track 1 includes an I-shaped monorail 7, a support seat 8, a support screw 9, a support nut 10, a socket 11, a hanging plate 12, and a connecting plate 13. The hanging support includes a No. 1 anchor rod 30 and a No. 2 anchor rod 28. The front end of the bottom end of the I-shaped monorail 7 is fixed with a support seat 8, and the support seat 8 is fixed with a support screw 9 along the front and rear directions. The support screw 9 is threadedly connected with a support nut 10. The rear end of the bottom end of the I-shaped monorail 7 is fixed with a socket 11. Each of the I-shaped monorails 7 can be connected to each other in the first position and make them The socket 11 is penetrated and plugged into the support screw 9, and the support nut 10 is pressed against the front end of the socket 11 to prevent the support screw 9 from detaching from the socket 11. A plurality of horizontal hanging plates 12 are fixed to the top of the I-beam monorail 7, and a No. 1 anchor rod 30 is installed on the left and right parts of each hanging plate 12. When the two I-beam monorails 7 are docked with each other, a horizontal connecting plate 13 is placed on the top of the two adjacent hanging plates 12 at the top, and a plurality of No. 2 anchor rods 28 are installed between the connecting plate 13 and the hanging plate 12.
[0022] The No. 1 anchor rod 30 is inserted into the upper and lower parts of the hanging plate 12, and the bottom is threadedly connected with two No. 1 clamping nuts 14. Two No. 1 elastic washers 15 are placed between the two No. 1 clamping nuts 14. The No. 1 elastic washers 15 are inserted into the No. 1 anchor rod 30 with a gap. The two No. 1 clamping nuts 14 are separated by two No. 1 elastic washers 15 to clamp the upper and lower parts of the hanging plate 12 respectively. Each No. 2 anchor rod 28 is simultaneously connected to the connecting plate 13 and the hanging plate 12 They are inserted through each other, and two No. 2 clamping nuts 16 are threadedly connected at the bottom. Two No. 2 elastic washers 29 are placed between the two No. 2 clamping nuts 16. The No. 2 elastic washers 29 are inserted with a gap between the bottom of the No. 2 anchor rod 28. The two No. 2 clamping nuts 16 clamp the bottom of the lifting plate 12 and the top of the connecting plate 13 respectively through the two No. 2 elastic washers 29. The top of the No. 1 anchor rod 30 and the top of the No. 2 anchor rod 28 are fixed to the top of the inner wall of the rock body.
[0023] It is fixed to the top of the tunnel through the No. 1 anchor rod 30 and the No. 2 anchor rod 28, and at the same time cooperates with the No. 1 clamping nut 14, the No. 1 elastic washer 15, the No. 2 clamping nut 16, the No. 2 elastic washer 29, the lifting plate 12 and the connecting plate 13 to realize the lifting and splicing of the I-shaped monorail 7, so that the track 1 of appropriate length can be selected for lifting work according to the needs of use, thereby increasing adaptability.
[0024] The roller group includes a roller 17, and the connecting support includes a suspension plate 18, a lifting ring 19, and a hook 20. The left and right parts of the support frame 2 are each rotatably connected to a group of rollers 17. The rollers 17 in each group are arranged in the front-to-back direction and the axial direction is arranged left and right. Each of the rollers 17 rolls and rubs against the bottom of the I-beam monorail 7. A vertical suspension plate 18 is fixed to the bottom of the support frame 2. The suspension plate 18 is hinged with a smooth lifting ring 19 in the front and rear. The bottom of the lifting ring 19 is limitedly connected to a rope or chain, and the bottom of the rope or chain is limitedly connected to a hook 20. The limit connection can be fixed, tied, etc.
[0025] The hook 20 can be directly connected to the heavy object to be lifted, and the lifting can be carried out. Other auxiliary lifting devices, such as a magnetic seat and an electric winch, can also be used for hanging, thereby improving the adaptability of lifting.
[0026] The handbrake mechanism includes a lifting frame 21, a polished rod 22, a compression spring 23, a rubber block 24, a tow rope 25, a connecting frame 26, and a tightening bolt 27. The left and right parts of the support frame 2 are each connected to the lifting frame 21 for sliding movement up and down. The bottom of the two lifting frames 21 is respectively fixed with a vertical polished rod 22. The two polished rods 22 are respectively connected to the bottom of the support frame 2 for sliding movement up and down. The bottom of the two lifting frames 21 is respectively fixed with a vertical compression spring 23 together with the bottom of the support frame 2. The two compression springs 23 are respectively inserted outside the polished rod 22. The lifting frame 21 has a tendency to move upward under the elastic repulsive force of the compression spring 23. The two lifting frames 21 are respectively plugged with rubber Block 24, each of the rubber blocks 24 is fastened to the lifting frame 21 by bolts. The rubber block 24 is small at the top and large at the bottom, and can simultaneously frictionally fit with the roller 17 in the front and rear directions to achieve braking of the roller 17. The bottom of the two light rods 22 are respectively limitedly connected with a tow rope 25, and the limit connection can be fixed, tied, knotted and then connected, etc. The bottom of the two tow ropes 25 are commonly connected with a connecting frame 26 up and down, and the connecting frame 26 is inserted with a rope or chain with an upper and lower gap. The left and right parts of the connecting frame 26 are each threaded with a tightening bolt 27, and the two tightening bolts 27 can respectively tighten the tow rope 25 to limit the position of the tow rope 25 compared to the connecting frame 26.
[0027] Furthermore, when there is no external force dragging the tow rope 25, under the elastic repulsive force of the compression spring 23, the rubber block 24 moves up, thereby frictionally fitting with the rollers 17 on the front and rear sides, thereby limiting the rotation of the rollers 17, thereby achieving braking, without the need for manual operation, thereby improving safety and being less prone to failure. When it is necessary to move the support frame 2, manually pulling down one of the tow ropes 25 or the connecting frame 26 can disengage the rubber block 24 from the rollers 17, and then maintaining this state, and then manually pushing and pulling the hoisted object can be performed. By adjusting the tightening bolt 27 to tighten the position of the tow rope 25, the connecting frame 26 can be limited to different positions of the tow rope 25, thereby facilitating braking according to the user's needs and facilitating use.
[0028] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, based on the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.
Claims
1. A monorail hanger, comprising a track (1), a support frame (2), a roller assembly, a hoisting support member, a handbrake mechanism, and a connecting support member, wherein the track (1) is mounted with the support frame (2), and is characterized in that: The support frame (2) is rotatably connected to a roller group, and the roller (17) and the track (1) are in rolling friction with each other. The support frame (2) uses the rolling friction between the roller (17) and the track (1) to achieve sliding along the track (1). The track (1) has a plurality of lifting supports, and each of the lifting supports is fixed to the top of an external support. The support frame (2) is equipped with a controllable handbrake mechanism, and a connecting support for connecting to a heavy object to be lifted is installed at the bottom. The handbrake mechanism is used to brake the relative position of the support frame (2) relative to the track (1).
2. The monorail hanger according to claim 1, characterized in that: The track (1) includes an I-shaped monorail (7), a support seat (8), a support screw (9), a support nut (10), a socket (11), a hoisting plate (12), and a connecting plate (13). The hoisting support includes a No. 1 anchor rod (30) and a No. 2 anchor rod (28). The front portion of the bottom end of the I-shaped monorail (7) is fixed with a support seat (8). The support seat (8) is fixed with a support screw (9) along the front-back direction. The support screw (9) is threadedly connected with a support nut (10). The rear portion of the bottom end of the I-shaped monorail (7) is fixed with a socket (11). Each of the I-shaped monorails (7) can be connected to each other in the first position and can be connected to each other in the first position. The plug-in seats (11) and the support screws (9) are connected to each other, and the support nuts (10) are pressed against the front end of the plug-in seats (11) to prevent the support screws (9) from being separated from the plug-in seats (11). A plurality of horizontal hanging plates (12) are fixed to the top of the I-shaped monorail (7), and a No. 1 anchor rod (30) is installed on the left and right parts of each hanging plate (12). When the two I-shaped monorails (7) are connected to each other, a horizontal connecting plate (13) is placed on the top of the two adjacent hanging plates (12). A plurality of No. 2 anchor rods (28) are installed between the connecting plate (13) and the hanging plate (12).
3. The monorail hanger according to claim 2, characterized in that: The No. 1 anchor rod (30) is inserted into the upper and lower parts of the hanging plate (12), and two No. 1 clamping nuts (14) are connected to the bottom thread, and two No. 1 elastic washers (15) are placed between the two No. 1 clamping nuts (14). The No. 1 elastic washers (15) and the No. 1 anchor rod (30) are inserted into the upper and lower parts of the hanging plate (12) respectively through the two No. 1 elastic washers (15). Each No. 2 anchor rod (28) is simultaneously connected to the connecting plate (13) and the hanging plate (1 2) are inserted through each other, and two No. 2 clamping nuts (16) are respectively threadedly connected at the bottom, and two No. 2 elastic washers (29) are respectively placed between the two No. 2 clamping nuts (16), and the No. 2 elastic washers (29) are respectively inserted with a gap between the bottom of the No. 2 anchor rod (28). The two No. 2 clamping nuts (16) are respectively clamped to the bottom of the hanging plate (12) and the top of the connecting plate (13) through the two No. 2 elastic washers (29), and the top of the No. 1 anchor rod (30) and the top of the No. 2 anchor rod (28) are fixed to the top of the inner wall of the rock body.
4. The monorail hanger according to claim 3, characterized in that: The roller group includes a roller (17), and the connecting support includes a suspension plate (18), a lifting ring (19), and a hook (20). The left and right parts of the support frame (2) are each rotatably connected to a group of rollers (17). The rollers (17) in each group are arranged in a front-to-back direction and are arranged in a left-to-right axial direction. Each of the rollers (17) rolls and rubs against the bottom of the I-shaped monorail (7). A vertical suspension plate (18) is fixed to the bottom of the support frame (2). The suspension plate (18) is hinged with a smooth lifting ring (19) in the front and rear directions. The bottom of the lifting ring (19) is limitedly connected to a rope or an iron chain, and the bottom of the rope or the bottom of the iron chain is limitedly connected to a hook (20).
5. The monorail hanger according to claim 4, characterized in that: The handbrake mechanism comprises a lifting frame (21), a polished rod (22), a compression spring (23), a rubber block (24), a tow rope (25), a connecting frame (26), and a tightening bolt (27). The left and right parts of the support frame (2) are connected to the lifting frame (21) in an upward and downward sliding manner. The bottoms of the two lifting frames (21) are respectively fixed with vertical polished rods (22). The two polished rods (22) are respectively connected to the bottom of the support frame (2) in an upward and downward sliding manner. The bottoms of the two lifting frames (21) are respectively fixed with vertical compression springs (23) together with the bottom of the support frame (2). The two compression springs (23) are respectively inserted outside the polished rods (22) with a gap. The lifting frame (21) has a tendency to move upward under the elastic repulsive force of the compression springs (23). The two lifting frames (21) have a tendency to move upward under the elastic repulsive force of the compression springs (23). The lowering frame (21) is respectively connected with rubber blocks (24) on the left and right, and each of the rubber blocks (24) is respectively fastened to the lifting frame (21) by bolts. The rubber blocks (24) are smaller at the top and larger at the bottom, and can simultaneously frictionally fit with the rollers (17) in the front and rear directions to achieve braking of the rollers (17). The bottoms of the two light rods (22) are respectively connected with tow ropes (25) in a limited manner, and the bottoms of the two tow ropes (25) are commonly connected with a connecting frame (26) up and down. The connecting frame (26) is connected with the rope or chain in an upper and lower gap, and the left and right parts of the connecting frame (26) are respectively threaded with a tightening bolt (27). The two tightening bolts (27) can respectively tighten the tow ropes (25) to limit the position of the tow ropes (25) relative to the connecting frame (26).