Lithium battery monorail crane locomotive braking equipment

Abstract

The invention discloses lithium battery monorail crane locomotive braking equipment, and belongs to the technical field of monorail crane equipment. Comprising a machine body, two driving mechanisms, four bearing mechanisms and a braking mechanism, each bearing mechanism comprises a bearing wheel and a supporting rod, the braking mechanism comprises two clamping assemblies and a pushing assembly, the two clamping assemblies are symmetrically arranged on the two sides of the machine body, each clamping assembly comprises a clamping block and a friction block, and the clamping blocks are vertically arranged on the inner side of the machine body; the friction block is fixedly installed on the inner side of the clamping block, a reverse driving mechanism is arranged in the clamping block and comprises two sliding frames, a first brake wheel, a friction wheel and a transmission assembly, and the transmission assembly is arranged on the inner side of the clamping block and used for torque transmission between the first brake wheel and the friction wheel. The pushing assemblies are symmetrically arranged on the outer side of the machine body and used for pushing the two clamping assemblies to move. The problems that the braking mode is single and the efficiency is low are effectively solved.

Description

Technical Field

[0001] This invention relates to the field of monorail equipment technology, specifically to a lithium battery monorail locomotive braking device. Background Technology

[0002] A monorail is a modern aerial transport device. It is suspended from the roof of the transport roadway on one side of a fully mechanized mining face using anchor bolts and chains. Transport vehicles suspend all cables, high-pressure hoses, and water pipes on it. Due to its small size, high space utilization, and the fact that its transport route is not limited by the floor conditions, it plays a significant role in transporting goods and personnel. Currently, most monorail drive units use lithium batteries for power, which is environmentally friendly and easy to maintain. A braking mechanism is usually installed within the drive mechanism to control the equipment's operating speed.

[0003] In the prior art, for example, the invention patent application with publication number CN117550479A discloses an emergency braking device for a monorail crane, the utility model patent with publication number CN218320322U discloses a braking device for a monorail crane, and the invention patent application with publication number CN119750382A discloses a mining monorail crane. In the above-mentioned existing monorail crane equipment, braking is achieved by the sliding friction between the brake block structure and the surface of the rail. Relying solely on the friction of the brake block results in a single braking method and low efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide a braking device for a lithium battery monorail crane to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A braking device for a lithium battery monorail crane includes a body, two sets of drive mechanisms, four sets of load-bearing mechanisms, and a braking mechanism; The load-bearing mechanism includes a load-bearing wheel and a strut. The strut is horizontally and longitudinally rotatably sleeved inside the machine body. The load-bearing wheel is fixedly sleeved at the end of the strut located inside the machine body. The load-bearing wheel makes rolling contact with the upper side of the hanging rail. The braking mechanism includes two sets of clamping assemblies and a pusher assembly. The two sets of clamping assemblies are symmetrically arranged on both sides of the machine body. The clamping assembly includes a clamping block and a friction block. The clamping block is vertically arranged inside the machine body, and the end closest to the machine body is fixedly connected to the end of the pusher assembly. The friction block is fixedly installed inside the clamping block. The clamping block is equipped with a reverse drive mechanism. The reverse drive mechanism includes two carriages, a first brake wheel, a friction wheel, and a transmission assembly. The two carriages are horizontally slidably sleeved on both ends of the block. The first brake wheel is horizontally rotated and sleeved on the end of the carriage close to the load-bearing wheel. The friction wheel is vertically rotated and sleeved on the end of the carriage away from the load-bearing wheel. The transmission assembly is located inside the block and is used for torque transmission between the first brake wheel and the friction wheel. The push-pushing components are symmetrically arranged on the outside of the machine body and are used to push the two sets of clamping components to move.

[0006] As a preferred technical solution of the present invention, the transmission assembly includes two sleeves, a transmission shaft, two first gear sets and a pushing component. The two sleeves are respectively horizontally rotatably sleeved inside the two slides. The two ends of the transmission shaft are respectively slidably sleeved on the ends of the two sleeves that are close to each other. The ends of the two sleeves that are far apart from each other are respectively connected to the ends of the first brake wheel and the friction wheel through the two first gear sets to transmit torque. The pushing component is disposed inside the locking block.

[0007] As a preferred embodiment of the present invention, the pushing component includes a push rod, two connecting rods and a first spring. The push rod is horizontally and longitudinally slidably sleeved in the locking block and passes through the friction block. The end of the push rod that passes through the locking block is rolled and embedded with a ball. The two connecting rods are symmetrically arranged on both sides of the push rod. Both ends of the connecting rods are hinged to the side of the push rod and the end of the slide respectively through pins. The first spring is sleeved on the push rod and is located inside the locking block.

[0008] As a preferred embodiment of the present invention, the pushing assembly includes a second spring, a first hydraulic cylinder, and two sets of opening and closing components. The opening and closing components include a clamping bracket, a clamping rod, an insert rod, and two pins. The insert rod is horizontally slidably sleeved inside the side wall of the machine body, and its inner end is fixedly connected to the clamping block. The middle part of the clamping bracket is rotatably installed on the outside of the machine body through the clamping rod. The upper and lower ends of the clamping bracket are vertically provided with sliding holes. The first hydraulic cylinder is horizontally arranged on the bottom side of the machine body, and both ends are fixedly installed with baffles. The second spring is horizontally sleeved on the first hydraulic cylinder, and its two ends are respectively fixedly connected to the end faces of the two baffles that are close to each other. The two pins are horizontally fixedly sleeved on the first hydraulic cylinder and the end of the insert rod, respectively. The clamping bracket is slidably connected to the two pins through the sliding holes on the upper and lower sides.

[0009] As a preferred technical solution of the present invention, the driving mechanism includes a motor, rollers and a truss. The truss is horizontally arranged and its ends are hinged to the outside of the machine body through a vertical shaft. The motor is vertically fixedly installed on the bottom side of the truss. The rollers are fixedly sleeved on the top of the motor output shaft. A second hydraulic cylinder is longitudinally and horizontally sleeved inside the machine body. The two ends of the second hydraulic cylinder are respectively hinged to the ends of the two trusses through pins. A pressurizing mechanism is symmetrically arranged on both sides of the machine body.

[0010] As a preferred embodiment of the present invention, the pressurizing mechanism includes a linkage assembly and two sets of sliding assemblies. The two sets of sliding assemblies are respectively disposed on both sides of the roller. Each sliding assembly includes a slider, a second brake wheel, two guide rails, a stop block, and a tension spring. Both guide rails are horizontally fixedly installed on the outside of the machine body. The slider is horizontally slidably embedded on the outside of the two guide rails. The stop block is fixedly installed on the outside of the machine body. The two ends of the tension spring are respectively fixedly connected to the side of the stop block and the slider that are close to each other. The second brake wheel is horizontally and longitudinally rotated and sleeved on the top of the slider. The outer end of the support rod extends out of the outside of the machine body. The two second brake wheels are connected through the linkage assembly.

[0011] As a preferred technical solution of the present invention, the linkage assembly includes a driving wheel, two driven wheels, two second gear sets and a transmission belt. The driving wheel is fixedly sleeved on the output shaft of the motor and located on the bottom side of the roller. The two driven wheels are respectively vertically rotatably sleeved on the outside of the two sliders, and their top ends are respectively connected to the outer ends of the two second brake wheels through the two second gear sets to transmit torque. The transmission belt is rotatably sleeved on the outside of the driving wheel and the two driven wheels.

[0012] Compared with the prior art, the present invention has the following beneficial effects: (1) With the cooperation of the braking mechanism and the reverse drive mechanism, the friction block and the hanging rail are in contact, and the first brake wheel and the load-bearing wheel are in contact. The first brake wheel and the load-bearing wheel rotate in the same direction, so that the side of the load-bearing wheel and the first brake wheel that are in contact with each other rotate in opposite directions, generating friction force, so that the load-bearing wheel decelerates under the friction action, and improves the braking efficiency in conjunction with the friction action between the friction block and the hanging rail. (2) Under the cooperation of the drive mechanism and the pressurization mechanism, the four second brake wheels contact the four support rods respectively, and under the drive of the motor, they rotate in the same direction as the support rods, generating friction to brake the support rods, thereby causing the load-bearing wheels to be obstructed and decelerated, achieving efficient braking; (3) The two sets of load-bearing mechanisms on the side closest to the braking mechanism are subjected to double friction, namely, the load-bearing wheel rubs against the first brake wheel and the strut rubs against the second brake wheel, thereby achieving efficient braking. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural schematic diagram of a lithium battery monorail crane braking device proposed in this invention; Figure 2 This is a front view partial cross-sectional structural diagram of a lithium battery monorail crane braking device proposed in this invention; Figure 3 This is a top view partial cross-sectional structural diagram of a lithium battery monorail crane braking device proposed in this invention; Figure 4 for Figure 1 Enlarged view of the structure at point A in the image; Figure 5 for Figure 2 Enlarged view of the structure at point B in the image; Figure 6 for Figure 3 Enlarged view of the structure at point C.

[0014] In the diagram: 1. Body; 2. Load-bearing wheel; 3. Support rod; 4. Clamping block; 5. Friction block; 6. Slide; 7. First brake wheel; 8. Friction wheel; 9. Sleeve; 10. Drive shaft; 11. First gear set; 12. Push rod; 13. Connecting rod; 14. First spring; 15. Ball bearing; 16. Second spring; 17. First hydraulic cylinder; 18. Clamping bracket; 19. Clamping rod; 20. Insert rod; 21. Pin; 22. Sliding hole; 23. Baffle; 24. Motor; 25. Roller; 26. Truss; 27. Vertical shaft; 28. Slider; 29. ​​Second brake wheel; 30. Guide rail; 31. Stop block; 32. Tension spring; 33. Driving wheel; 34. Driven wheel; 35. Second gear set; 36. Drive belt; 37. Second hydraulic cylinder. Detailed Implementation

[0015] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, what is described is only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] See Figures 1-6 A braking device for a lithium battery monorail crane includes a body 1, two sets of drive mechanisms, four sets of load-bearing mechanisms, and a braking mechanism. The body 1 is horizontally arranged and connected to the crane rail through the load-bearing mechanisms. The four sets of load-bearing mechanisms are symmetrically arranged at both ends of the body 1, and the two sets of drive mechanisms are symmetrically arranged in the middle of the body 1. The load-bearing mechanism includes a load-bearing wheel 2 and a support rod 3. The support rod 3 is horizontally and longitudinally rotatably sleeved inside the machine body 1. The load-bearing wheel 2 is fixedly sleeved at the end of the support rod 3 located inside the machine body 1. The load-bearing wheel 2 is in rolling contact with the upper side of the hanging rail. The braking mechanism includes two sets of clamping assemblies and a pusher assembly. The two sets of clamping assemblies are symmetrically arranged on both sides of the body 1. The clamping assembly includes a clamping block 4 and a friction block 5. The clamping block 4 is vertically arranged inside the body 1, and the end closest to the body 1 is fixedly connected to the end of the pusher assembly. The friction block 5 is fixedly installed inside the clamping block 4. The clamping block 4 is equipped with a reverse drive mechanism. The reverse drive mechanism includes two slides 6, a first brake wheel 7, a friction wheel 8, and a transmission assembly. The two slides 6 are horizontally slidably sleeved at both ends of the block 4. The first brake wheel 7 is horizontally rotated and sleeved at the end of the slide 6 near the load-bearing wheel 2. The friction wheel 8 is vertically rotated and sleeved at the end of the slide 6 away from the load-bearing wheel 2. The transmission assembly is located inside the block 4 and is used for torque transmission between the first brake wheel 7 and the friction wheel 8. The push-up components are symmetrically arranged on the outside of the body 1, and are used to push the two sets of clamping components to move.

[0017] The transmission assembly includes two sleeves 9, a transmission shaft 10, two first gear sets 11, and a pushing component. The two sleeves 9 are horizontally rotatably mounted inside the two slides 6. The two ends of the transmission shaft 10 are slidably mounted on the ends of the two sleeves 9 that are close to each other. The ends of the two sleeves 9 that are far apart from each other are connected to the ends of the first brake wheel 7 and the friction wheel 8 respectively through the two first gear sets 11 to transmit torque. The pushing component is located inside the locking block 4.

[0018] The pushing component includes a push rod 12, two connecting rods 13 and a first spring 14. The push rod 12 is horizontally and longitudinally slidably sleeved in the locking block 4 and passes through the friction block 5. The end of the push rod 12 that passes through the locking block 4 is rolled with a ball bearing 15. The two connecting rods 13 are symmetrically arranged on both sides of the push rod 12. Both ends of the connecting rods 13 are hinged to the side of the push rod 12 and the end of the slide 6 respectively through pins. The first spring 14 is sleeved on the push rod 12 and is located inside the locking block 4.

[0019] The pushing assembly includes a second spring 16, a first hydraulic cylinder 17, and two sets of opening and closing components. The opening and closing components include a bracket 18, a locking rod 19, an insert rod 20, and two pins 21. The insert rod 20 is horizontally slidably sleeved inside the side wall of the machine body 1, and its inner end is fixedly connected to the locking block 4. The middle part of the bracket 18 is rotatably mounted on the outside of the machine body 1 through the locking rod 19. The upper and lower ends of the bracket 18 are vertically provided with sliding holes 22. The first hydraulic cylinder 17 is horizontally arranged on the bottom side of the machine body 1, and both ends are fixedly installed with baffles 23. The second spring 16 is horizontally sleeved on the first hydraulic cylinder 17, and its two ends are fixedly connected to the end faces of the two baffles 23 that are close to each other. The two pins 21 are horizontally fixedly sleeved on the ends of the first hydraulic cylinder 17 and the insert rod 20, respectively. The bracket 18 is slidably connected to the two pins 21 through the sliding holes 22 on the upper and lower sides.

[0020] The drive mechanism includes a motor 24, a roller 25, and a truss 26. The truss 26 is horizontally arranged and its end is hinged to the outside of the machine body 1 through a vertical shaft 27. The motor 24 is vertically fixedly installed on the bottom side of the truss 26. The roller 25 is fixedly sleeved on the top of the output shaft of the motor 24. A second hydraulic cylinder 37 is longitudinally and horizontally sleeved inside the machine body 1. The two ends of the second hydraulic cylinder 37 are respectively hinged to the ends of the two trusses 26 through pins. A pressurization mechanism is symmetrically arranged on both sides of the machine body 1.

[0021] The pressurizing mechanism includes a linkage assembly and two sets of sliding assemblies. The two sets of sliding assemblies are respectively set on both sides of the roller 25. The sliding assembly includes a slider 28, a second brake wheel 29, two guide rails 30, a stop block 31, and a tension spring 32. The two guide rails 30 are horizontally fixedly installed on the outside of the machine body 1. The slider 28 is horizontally slidably embedded on the outside of the two guide rails 30. The stop block 31 is fixedly installed on the outside of the machine body 1. The two ends of the tension spring 32 are fixedly connected to the side of the stop block 31 and the slider 28 that are close to each other. The second brake wheel 29 is horizontally and longitudinally rotated and sleeved on the top of the slider 28. The outer end of the support rod 3 extends out of the outside of the machine body 1. The two second brake wheels 29 are connected by the linkage assembly.

[0022] The linkage assembly includes a drive wheel 33, two driven wheels 34, two second gear sets 35, and a transmission belt 36. The drive wheel 33 is fixedly sleeved on the output shaft of the motor 24 and located on the bottom side of the roller 25. The two driven wheels 34 are respectively vertically rotatably sleeved on the outside of the two sliders 28, and their top ends are respectively connected to the outer ends of the two second brake wheels 29 through the two second gear sets 35 for torque transmission. The transmission belt 36 is rotatably sleeved on the outside of the drive wheel 33 and the two driven wheels 34.

[0023] When the equipment is in operation, four load-bearing wheels 2 are slidably embedded on the upper side of the hanging rail to support the overall weight of the equipment. When moving, two rollers 25 roll in contact with the sides of the hanging rail respectively, and the entire equipment moves under the drive of the motor 24.

[0024] When braking is required during the movement of the equipment, the first hydraulic cylinder 17 extends, and the two ends push the clamp 18 to deflect through the bottom pin 21, so that the tops of the two clamps 18 approach each other. Then, the upper pin 21 pushes the two insert rods 20 to move towards each other synchronously. The insert rods 20 drive the clamp block 4 and friction block 5 to move towards the hanging rail. The two friction blocks 5 clamp the hanging rail in the middle, and friction is generated between the friction blocks 5 and the side of the hanging rail, thereby generating a braking effect and driving the equipment to decelerate.

[0025] As the locking block 4 moves toward the hanging rail, the ball bearing 15 first contacts the hanging rail, the push rod 12 is squeezed, compressing the first spring 14. Then, the friction block 5 contacts the side of the hanging rail, and at the same time, the friction wheel 8 contacts the side of the hanging rail. The push rod 12 slides, causing the two connecting rods 13 to deflect, pushing the two slides 6 away from each other. The first brake wheel 7 contacts the load-bearing wheel 2, and the friction wheel 8 contacts the hanging rail. As the entire equipment moves, the friction wheel 8 rotates, generating torque, which is transmitted to the first brake wheel 7 through the two first gear sets 11, the two sleeves 9, and the transmission shaft 10. With the cooperation of the first gear sets 11, the first brake wheel 7 rotates, and the first brake wheel 7 rotates in the same direction as the load-bearing wheel 2. This causes the side of the load-bearing wheel 2 that is in contact with the first brake wheel 7 to rotate in opposite directions, generating friction. The load-bearing wheel 2 decelerates under the friction, and with the friction between the friction block 5 and the hanging rail, the braking efficiency is improved.

[0026] During braking, push rod 12 is fully compressed into block 4, without interfering with the interaction between friction block 5 and the hanging rail.

[0027] During braking, the second hydraulic cylinder 37 extends, causing the two trusses 26 to deflect away from the machine body 1, thereby causing the two rollers 25 to disengage from the suspension rail. At the same time, the drive wheel 33 moves away from the suspension rail, causing the outer side of the transmission belt 36 to be stretched. The transmission belt 36 pulls the two driven wheels 34 closer together. The driven wheels 34 drive the slider 28 to move, causing the two sliders 28 to move closer together. The movement of the slider 28 stretches the tension spring 32, which in turn drives the second brake wheel 29 to move and contact the support rod 3. Then, the motor 24 rotates, driving the transmission belt 36 to rotate through the drive wheel 33. The transmission belt 36 drives the two driven wheels 34 to rotate. The driven wheels 34 drive the second brake wheel 29 to rotate through the second gear set 35. The second brake wheel 29 rotates in the same direction as the support rod 3, thereby causing friction between the second brake wheel 29 and the support rod 3, thus braking.

[0028] Roller 25 disengages from the rail during braking, reducing wear.

[0029] The four second brake wheels 29 cooperate and are respectively attached to the four support rods 3. Driven by the motor 24, they rotate in the same direction as the support rods 3, generating friction to brake the support rods 3, thereby causing the load-bearing wheel 2 to be obstructed and decelerated, thus achieving the braking effect.

[0030] The two sets of load-bearing mechanisms on the side closest to the braking mechanism are subjected to dual friction, namely, the load-bearing wheel 2 rubs against the first brake wheel 7, and the support rod 3 rubs against the second brake wheel 29, further achieving efficient braking.

[0031] When the equipment is in a normal moving, non-braking state, both the tension spring 32 and the first spring 14 are in their initial state. The tension spring 32 restricts the slider 28, causing the second brake wheel 29 to disengage from the support rod. The first spring 14 limits the push rod 12, thereby limiting the two connecting rods 13 to the two carriages 6, causing the first brake wheel 7 to be disengaged from the load-bearing wheel 2.

[0032] During normal operation, the ball bearing 15 does not contact the overhead rail.

[0033] The first brake wheel 7, the friction wheel 8, and the second brake wheel 29 are all made of elastic material. When braking, the friction wheel 8 is in close contact with the side of the suspension rail, the first brake wheel 7 is in close contact with the outer side of the load-bearing wheel 2, and the second brake wheel 29 is in close contact with the outer side of the support rod 3.

[0034] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A braking device for a lithium battery monorail crane, comprising a body (1), two sets of drive mechanisms, four sets of load-bearing mechanisms, and a braking mechanism; Its features are: The load-bearing mechanism includes a load-bearing wheel (2) and a support rod (3). The support rod (3) is horizontally and longitudinally rotatably sleeved inside the machine body (1). The load-bearing wheel (2) is fixedly sleeved at the end of the support rod (3) located inside the machine body (1). The load-bearing wheel (2) rolls in contact with the upper side of the hanging rail. The braking mechanism includes two sets of clamping assemblies and a push assembly. The two sets of clamping assemblies are symmetrically arranged on both sides of the body (1). The clamping assembly includes a clamping block (4) and a friction block (5). The clamping block (4) is vertically arranged inside the body (1), and the end closest to the body (1) is fixedly connected to the end of the push assembly. The friction block (5) is fixedly installed inside the clamping block (4). The clamping block (4) is equipped with a reverse drive mechanism. The reverse drive mechanism includes two slides (6), a first brake wheel (7), a friction wheel (8), and a transmission assembly. The two slides (6) are horizontally slidably sleeved at both ends of the block (4). The first brake wheel (7) is horizontally rotated and sleeved at the end of the slide (6) close to the load-bearing wheel (2). The friction wheel (8) is vertically rotated and sleeved at the end of the slide (6) away from the load-bearing wheel (2). The transmission assembly is located inside the block (4) and is used for torque transmission between the first brake wheel (7) and the friction wheel (8). The push-up components are symmetrically arranged on the outside of the body (1) to push the two sets of clamping components to move.

2. The braking device for a lithium battery monorail crane according to claim 1, characterized in that: The transmission assembly includes two sleeves (9), a transmission shaft (10), two first gear sets (11), and a pushing component. The two sleeves (9) are horizontally rotated and fitted inside the two slides (6). The two ends of the transmission shaft (10) are slidably fitted on the ends of the two sleeves (9) that are close to each other. The ends of the two sleeves (9) that are far apart from each other are connected to the ends of the first brake wheel (7) and the friction wheel (8) respectively through the two first gear sets (11) to transmit torque. The pushing component is set inside the locking block (4).

3. The braking device for a lithium battery monorail crane according to claim 2, characterized in that: The pushing component includes a push rod (12), two connecting rods (13) and a first spring (14). The push rod (12) is horizontally and longitudinally slidably sleeved in the locking block (4) and passes through the friction block (5). The end of the push rod (12) that passes through the locking block (4) is rolled with a ball (15). The two connecting rods (13) are symmetrically arranged on both sides of the push rod (12). Both ends of the connecting rods (13) are hinged to the side of the push rod (12) and the end of the slide (6) respectively through pins. The first spring (14) is sleeved on the push rod (12) and located inside the locking block (4).

4. The braking device for a lithium battery monorail crane according to claim 1, characterized in that: The push assembly includes a second spring (16), a first hydraulic cylinder (17), and two sets of opening and closing components. The opening and closing components include a bracket (18), a locking rod (19), an insert rod (20), and two pins (21). The insert rod (20) is horizontally slidably sleeved inside the side wall of the machine body (1), and its inner end is fixedly connected to the locking block (4). The middle part of the bracket (18) is rotatably installed on the outside of the machine body (1) through the locking rod (19). The upper and lower ends of the bracket (18) are vertically provided with sliding holes (22). The first hydraulic cylinder (17) is horizontally set on the bottom side of the machine body (1), and baffles (23) are fixedly installed at both ends. The second spring (16) is horizontally sleeved on the first hydraulic cylinder (17), and its two ends are fixedly connected to the end faces of the two baffles (23) that are close to each other. The two pins (21) are horizontally fixedly sleeved on the ends of the first hydraulic cylinder (17) and the insertion rod (20), respectively. The bracket (18) is slidably connected to the two pins (21) through the sliding holes (22) on the upper and lower sides.

5. The braking device for a lithium battery monorail crane according to claim 1, characterized in that: The drive mechanism includes a motor (24), a roller (25) and a truss (26). The truss (26) is horizontally arranged and its end is hinged to the outside of the machine body (1) through a vertical shaft (27). The motor (24) is vertically fixedly installed on the bottom side of the truss (26). The roller (25) is fixedly sleeved on the top of the output shaft of the motor (24). A second hydraulic cylinder (37) is longitudinally and horizontally sleeved inside the machine body (1). The two ends of the second hydraulic cylinder (37) are respectively hinged to the ends of the two trusses (26) through pins. A pressurizing mechanism is symmetrically arranged on both sides of the machine body (1).

6. The braking device for a lithium battery monorail crane according to claim 5, characterized in that: The pressurizing mechanism includes a linkage assembly and two sets of sliding assemblies. The two sets of sliding assemblies are respectively set on both sides of the roller (25). The sliding assembly includes a slider (28), a second brake wheel (29), two guide rails (30), a stop block (31), and a tension spring (32). The two guide rails (30) are horizontally fixedly installed on the outside of the machine body (1). The slider (28) is horizontally slidably embedded on the outside of the two guide rails (30). The stop block (31) is fixedly installed on the outside of the machine body (1). The two ends of the tension spring (32) are fixedly connected to the side of the stop block (31) and the slider (28) that are close to each other. The second brake wheel (29) is horizontally and longitudinally rotated and sleeved on the top of the slider (28). The outer end of the support rod (3) extends out of the outside of the machine body (1). The two second brake wheels (29) are connected by the linkage assembly.

7. The braking device for a lithium battery monorail crane according to claim 6, characterized in that: The linkage assembly includes a drive wheel (33), two driven wheels (34), two second gear sets (35), and a transmission belt (36). The drive wheel (33) is fixedly sleeved on the output shaft of the motor (24) and located on the bottom side of the roller (25). The two driven wheels (34) are respectively vertically rotated and sleeved on the outside of the two sliders (28), and their top ends are respectively connected to the outer ends of the two second brake wheels (29) through the two second gear sets (35) to transmit torque. The transmission belt (36) is rotated and sleeved on the outside of the drive wheel (33) and the two driven wheels (34).

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