Climbing vehicle

Abstract

The utility model discloses a climbing vehicle, which belongs to the technical field of mobile equipment, and comprises a vehicle frame housing and a vehicle frame assembly, the vehicle frame assembly is fixedly connected to the bottom end of the vehicle frame housing, one side end of the vehicle frame assembly is fixedly connected with a battery box base assembly, a remote control receiver is fixedly connected in the vehicle frame assembly, and the battery box base assembly is fixedly connected with the battery box base assembly. A lithium battery is detachably connected into the battery box base assembly, a guardrail assembly is fixedly connected to the top end of the battery box base assembly and located on one side of the frame housing, a control device is arranged at the top end of the frame housing, and two gear combination reduction gearboxes are fixedly connected into the frame housing. A coupler is arranged between the two direct-current motors, so that the two gear combination reduction gearboxes synchronously output power to drive the two climbing gear sets to rotate, the climbing vehicle is lifted and descended through meshing transmission of the two climbing gear sets and a track, the climbing vehicle conveys personnel or goods to a designated position, the climbing efficiency is improved, and the climbing vehicle is convenient to use. And the physical power consumption of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile equipment, and more specifically, to a climbing vehicle. Background Art

[0002] At present, in structures of a certain height such as signal towers, ultra-high voltage transmission towers, thermal power chimneys, wind power towers, bridge pylons, and mines, such structures often require maintenance by staff in order to ensure good operating conditions during long-term operation.

[0003] When maintaining a structure with a certain height, workers need to climb along the ladder on the structure. However, such structures are often tens or even hundreds of meters high. After the workers climb to the designated position, they will waste a lot of physical energy, which affects the subsequent maintenance. Moreover, the climbing speed is slow and the safety of the workers is difficult to ensure. For this reason, the utility model proposes a climbing vehicle for climbing. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In response to the problems existing in the prior art, the purpose of the present utility model is to provide a climbing vehicle for climbing up to a designated position, which aims to solve the problems in the prior art that workers waste a lot of physical energy after climbing to the designated position, affecting subsequent maintenance, and the climbing speed is slow, and the safety of the workers is difficult to guarantee.

[0006] 2. Technical solution

[0007] In order to solve the above problems, the present invention adopts the following technical solutions:

[0008] A climbing vehicle comprises a frame cover and a frame assembly, wherein the frame assembly is fixedly connected to the bottom end of the frame cover, one side end of the frame assembly is fixedly connected to a battery box base assembly, a remote control receiver is fixedly connected inside the frame assembly, a lithium battery is detachably connected inside the battery box base assembly, a guardrail assembly is fixedly connected to the top of the battery box base assembly, and the guardrail assembly is located on one side of the frame cover, a control device is provided at the top of the frame cover, two gear combination reduction boxes are fixedly connected inside the frame cover, a DC motor is fixedly connected to one end of the two gear combination reduction boxes that are close to each other, and the two DC motors are both located on the frame cover. Inside the shell, a coupling is provided between the two DC motors, and the ends of the two DC motors that are close to each other are fixedly connected to brakes, and the coupling passes through the two brakes. A manual release assembly is provided at the top of the combined reduction gear box on the upper side, and the manual release assembly passes through the top of the frame cover and corresponds to the two brakes. The output ends of the two gear combination reduction gear boxes are fixedly connected to climbing gear sets, and two rail wheel assemblies are provided in the frame cover, and the two rail wheel assemblies pass through the outside of the frame cover and correspond to the two climbing gear sets. A lower limit device is provided on the frame assembly, and the lower limit device passes through the lower side of the frame assembly.

[0009] As a preferred solution of the present invention, the control device includes an electric control box assembly, a display screen and a trolley handle assembly. The electric control box assembly is fixedly connected to the top of the frame cover, and one end of the manual release assembly passes through one side of the electric control box assembly. The display screen is fixedly connected to the electric control box assembly, and the trolley handle assembly is fixedly connected to the rear end of the electric control box assembly.

[0010] As a preferred solution of the present invention, each of the rail wheel wheel assemblies includes two fixed blocks, two sliding rail wheels, two wheel couplings, two limiting rail wheels and two limiting assemblies. The two fixed blocks are fixedly connected in the frame cover and correspond to a climbing gear set. The two sliding rail wheels are respectively rotatably connected to the ends close to the two fixed blocks. The two wheel couplings are respectively rotatably connected to the two fixed blocks through rotating shafts. The two limiting rail wheels are respectively rotatably connected to the two wheel couplings, and the two limiting rail wheels respectively correspond to the two sliding rail wheels. The two limiting assemblies are respectively arranged between the two wheel couplings and the two fixed blocks.

[0011] As a preferred solution of the present invention, each of the limiter components includes two card shafts, two card pins, two compression springs, two card slots and two rotation slots. The two card shafts are slidably inserted in a wheel joint, and the two card shafts are slidably connected. The two card pins are respectively fixedly connected to the two card shafts, and the two card pins are located in a wheel joint and are staggered. The two compression springs are respectively arranged in the two card shafts, and the two compression springs respectively correspond to the two card pins. The two card slots are both opened on a fixed block, and the two card pins are matched with the two card slots respectively. The two rotation slots are both opened on a fixed block, and the two rotation slots are respectively connected with the two card slots.

[0012] As a preferred solution of the present utility model, the lower limit device includes two limit link assemblies, a lower limit bracket assembly and a sensing component. The two limit link assemblies are respectively rotatably connected to the symmetrical two side walls of the frame assembly, and the two limit link assemblies are movable through the bottom end of the frame assembly. The lower limit bracket assembly is fixedly connected between the two limit link assemblies, and the lower limit bracket assembly is located on the lower side of the frame assembly and the battery box base assembly. The sensing component is fixedly connected in the frame assembly, and the sensing component corresponds to the two lower limit bracket assemblies.

[0013] As a preferred solution of the present invention, both symmetrical side ends of the frame assembly are detachably connected with trolley transfer quick-insert wheels, and the position of the lower limit bracket assembly is higher than the bottom of the two trolley transfer quick-insert wheels.

[0014] As a preferred solution of the present invention, two upper limit assemblies are fixedly connected to the top of the frame cover, and the top ends of the two upper limit assemblies are located on the upper side of the trolley handle assembly.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] (1) In this solution, the track is installed on the structure, and the climbing vehicle is quickly slid onto the track through two track wheel assemblies, so that the two climbing gear sets are engaged with the track. The staff remotely controls the control device in the guardrail assembly or through a remote control receiver, and uses the control device to control the start of the two DC motors. A coupling is provided between the two DC motors, so that the two gear combination reducers synchronously output power to drive the two climbing gear sets to rotate. The climbing vehicle is lifted and lowered through the meshing transmission of the two climbing gear sets with the track, so that the climbing vehicle can deliver people or goods to the designated location, improve climbing efficiency, and reduce the physical consumption of the staff. In addition, the staff has high safety when lifting and lowering in the bottom guardrail. The rated load of this climbing vehicle is 180KG, and the climbing height is 150 meters. The electronic control part integrates the height display during laser ranging, ultra-long-distance remote control, power detection, and overload limit.

[0018] (2) In this solution, when the staff returns to the ground, the frame cover drops to the bottom of the structure, and the lower limit device detects the distance to the ground, so that the frame assembly stops in time after contacting the ground. After the climbing vehicle is on the ground, it can be moved well on the ground by installing two trolley transfer quick-insert wheels. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the main view of the utility model;

[0020] Figure 2 It is a structural diagram of the utility model;

[0021] Figure 3 It is a cross-sectional view of the utility model;

[0022] Figure 4 It is an exploded view of the utility model;

[0023] Figure 5 This is a diagram of the internal structure of the frame assembly and the battery box base assembly in the utility model;

[0024] Figure 6 It is a structural diagram of some mechanisms in this utility model;

[0025] Figure 7 This is a structural diagram of the wheel assembly of the middle track wheel of the present utility model;

[0026] Figure 8 For this utility model Figure 7 Exploded diagram;

[0027] Figure 9 It is a structural diagram of the lower limit device in the utility model.

[0028] Description of the numbers in the figure:

[0029] 1. Frame cover; 2. Frame assembly; 3. Battery box base assembly; 4. Remote control receiver; 5. Lithium battery; 6. Guardrail assembly; 7. Control device; 71. Electric control box assembly; 72. Display screen;

[0030] 73. Trolley handle assembly; 8. Gear combination reduction box; 9. DC motor; 10. Climbing gear set;

[0031] 11. Track wheel assembly; 111. Fixed block; 112. Sliding track wheel; 113. Wheel joint;

[0032] 114. Limit track wheel; 115. Limit assembly; 1151. Clamp shaft; 1152. Locking pin; 1153. Compression spring; 1154. Clamping slot; 1155. Rotation slot; 12. Lower limit device; 121. Limit connecting rod assembly; 122. Lower limit bracket assembly; 123. Induction assembly; 13. Trolley transfer quick-insert wheel; 14. Upper limit assembly; 15. Coupling; 16. Brake; 17. Manual release assembly. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0034] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0036] Example:

[0037] See also Figure 1-9 A climbing vehicle comprises a frame cover 1 and a frame assembly 2, the frame assembly 2 is fixedly connected to the bottom end of the frame cover 1, one side end of the frame assembly 2 is fixedly connected to a battery box base assembly 3, a remote control receiver 4 is fixedly connected to the frame assembly 2, a lithium battery 5 is detachably connected to the battery box base assembly 3, a guardrail assembly 6 is fixedly connected to the top of the battery box base assembly 3, and the guardrail assembly 6 is located on one side of the frame cover 1, a control device 7 is provided at the top of the frame cover 1, two gear combination reduction boxes 8 are fixedly connected to the frame cover 1, and the two gear combination reduction boxes 8 are fixedly connected to a DC motor 9 at one end thereof, and the two DC motors 9 are both located in the frame cover 1, and the two DC motors A coupling 15 is provided between the machines 9, and the ends of the two DC motors 9 that are close to each other are fixedly connected to the brakes 16, and the coupling 15 passes through the two brakes 16. A manual release assembly 17 is provided at the top of the upper combined reduction box 8, and the manual release assembly 17 passes through the top of the frame cover 1 and corresponds to the two brakes 16. The output ends of the two gear combination reduction boxes 8 are fixedly connected to the climbing gear sets 10, and two rail wheel assemblies 11 are provided in the frame cover 1, and the two rail wheel assemblies 11 pass through the outside of the frame cover 1 and correspond to the two climbing gear sets 10. A lower limit device 12 is provided on the frame assembly 2, and the lower limit device 12 passes through the lower side of the frame assembly 2.

[0038] In this embodiment, a track is installed on the structure, and two track wheel assemblies 11 are used to connect the entire climbing vehicle to the track, so that the two track wheel assemblies 11 are stuck on the track, and a certain distance between the climbing vehicle and the track surface is maintained, ensuring that the two climbing gear sets 10 on the climbing vehicle are engaged with the inclined holes on the track, and the lithium battery 5 supplies power to the remote control receiver 4, the control device 7, the two DC motors 9 and the lower limit device 12. The staff stands in the guardrail assembly 6 and controls the two DC motors 9 to start through the control device 7. The two DC motors 9 drive the two climbing gear sets 10 to rotate through the two gear combination reduction boxes 8. The coupling 15 ensures the synchronization of the two DC motors 9 and the two climbing gear sets 10. The manual release assembly 17 is used to control the two brakes 16 to make the two brakes The device 16 can brake the two DC motors 9 through the coupling 15 to stop the climbing vehicle from moving. In addition, the two DC motors 9 can realize ultra-long-range remote control and outdoor laser ranging through the remote control receiver 4. The two climbing gear sets 10 realize the relative movement between the climbing vehicle and the track by meshing with the track, thereby driving the staff to move on the structure. When the staff returns to the ground, the frame cover 1 drops to the bottom of the structure, so that the frame assembly 2 contacts the ground. At the same time, the lower limit device 12 senses the ground and stops the climbing vehicle. Among them, the fixed connection between the various components on the entire climbing vehicle is assembled with rivet nuts. The frame assembly 2 is made of high-strength aluminum alloy as a whole, serial number (11) high-quality steel, and is combined by aluminum welding to ensure that it can carry a suitable load.

[0039] Specifically, the control device 7 includes an electric control box assembly 71, a display screen 72 and a trolley handle assembly 73. The electric control box assembly 71 is fixedly connected to the top of the frame cover 1, and one end of the manual release assembly 17 passes through one side of the electric control box assembly 71. The display screen 72 is fixedly connected to the electric control box assembly 71, and the trolley handle assembly 73 is fixedly connected to the rear end of the electric control box assembly 71.

[0040] In this embodiment, the electric control box assembly 71 can control the remote control receiver 4 to open and realize the remote control function. The display screen 72 can display the climbing status. The trolley handle assembly 73 is equipped with manual buttons for rising and falling. The staff controls the two DC motors 9 through the trolley handle assembly 73 to control the climbing height.

[0041] Specifically, each rail wheel assembly 11 includes two fixed blocks 111, two sliding rail wheels 112, two wheel couplings 113, two limiting rail wheels 114 and two limiting assemblies 115. The two fixed blocks 111 are fixedly connected to the frame cover 1 and correspond to a climbing gear set 10. The two sliding rail wheels 112 are respectively rotatably connected to the adjacent ends of the two fixed blocks 111. The two wheel couplings 113 are respectively rotatably connected to the two fixed blocks 111 through rotating shafts. The two limiting rail wheels 114 are respectively rotatably connected to the two wheel couplings 113, and the two limiting rail wheels 114 correspond to the two sliding rail wheels 112 respectively. The two limiting assemblies 115 are respectively arranged between the two wheel couplings 113 and the two fixed blocks 111.

[0042] In this embodiment, the two sliding track wheels 112 in the two fixed blocks 111 are in contact with the gear slide rail, and the two limiting track wheels 114 are in contact with the track by rotating the two wheel joints 113. The two limiting components 115 limit the two wheel joints 113, so that the two limiting track wheels 114 cooperate with the two sliding track wheels 112 to be slidably connected to the track, thereby realizing the lifting and lowering of the climbing vehicle. When the climbing vehicle needs to be removed, the two limiting components 115 are pressed to cancel the restriction on the two wheel joints 113, so that the two wheel joints 113 are rotated, and the climbing vehicle is removed from the gear slide rail.

[0043] Specifically, each limiting assembly 115 includes two card shafts 1151, two card pins 1152, two compression springs 1153, two card slots 1154 and two rotation slots 1155. The two card shafts 1151 are slidably inserted into a wheel joint 113, and the two card shafts 1151 are in staggered sliding connection. The two card pins 1152 are fixedly connected to the two card shafts 1151 respectively, and the two card pins 1152 are located on a wheel joint 113. 3 are staggeredly distributed, two compression springs 1153 are respectively arranged in two clamping shafts 1151, and the two compression springs 1153 correspond to the two clamping pins 1152 respectively, two clamping slots 1154 are both provided on a fixed block 111, and the two clamping pins 1152 match the two clamping slots 1154 respectively, two rotating slots 1155 are both provided on a fixed block 111, and the two rotating slots 1155 are respectively connected to the two clamping slots 1154.

[0044] In this embodiment, the elastic force of the two compression springs 1153 acts on the two clamping shafts 1151 and the two clamping pins 1152, the two clamping shafts 1151 slide outward, and the two clamping pins 1152 approach each other, and the two clamping pins 1152 are respectively clamped into the two clamping grooves 1154, thereby limiting the rotation of the wheel coupling 113 on the fixed block 111, so that the limiting track wheel 114 contacts the track. When the climbing vehicle needs to be removed, by pressing the two clamping shafts 1151, the two clamping shafts 1151 drive the two clamping pins 1152 to slide away from the two compression springs 1153, and the two clamping pins 1152 disengage from the two clamping grooves 1154 and correspond to the two rotation grooves 1155, thereby canceling the restriction on the wheel coupling 113, and the limiting track wheel 114 is rotated to one side by rotating the wheel coupling 113, so that the climbing vehicle can be removed from the track.

[0045] Specifically, the lower limit device 12 includes two limit link assemblies 121, a lower limit bracket assembly 122 and a sensing component 123. The two limit link assemblies 121 are respectively rotatably connected to the symmetrical two side walls of the frame assembly 2, and the two limit link assemblies 121 are movable through the bottom end of the frame assembly 2. The lower limit bracket assembly 122 is fixedly connected between the two limit link assemblies 121, and the lower limit bracket assembly 122 is located on the lower side of the frame assembly 2 and the battery box base assembly 3. The sensing component 123 is fixedly connected to the frame assembly 2, and the sensing component 123 corresponds to the two lower limit bracket assemblies 122.

[0046] In this embodiment, when the staff returns to the ground, the frame cover 1 drops to the bottom of the structure, the lower limit bracket assembly 122 first contacts the ground, driving the two limit link assemblies 121 to rotate, and the two sensing components 123 detect the two limit link assemblies 121, so that the frame assembly 2 stops in time after contacting the ground.

[0047] Specifically, both symmetrical ends of the frame assembly 2 are detachably connected with the trolley transfer quick-insert wheels 13 , and the position of the lower limit bracket assembly 122 is higher than the bottom of the two trolley transfer quick-insert wheels 13 .

[0048] In this embodiment, after the climbing vehicle lands on the ground, the two trolley transfer quick-insert wheels 13 enable the climbing vehicle to move stably on the ground.

[0049] Specifically, two upper limit assemblies 14 are fixedly connected to the top of the frame cover 1 , and the top ends of the two upper limit assemblies 14 are located on the upper side of the trolley handle assembly 73 .

[0050] In this embodiment, the upper limit assembly 14 limits the maximum travel of the climbing vehicle on the structure to prevent the climbing vehicle from falling off the gear slide rail.

[0051] Working principle: Install the track on the structure, make the four sliding track wheels 112 in the four fixed blocks 111 contact the gear slide rail, and the two climbing gear sets 10 engage with the track. By rotating the four wheel joints 113, the four limiting track wheels 114 are in contact with the track. The two compression springs 1153 of each limiting assembly 115 act on the two card shafts 1151 and the two card pins 1152. The two card shafts 1151 slide outwards, and the two card pins 1152 approach each other. The two card pins 1152 are respectively engaged in the two card slots 1154, thereby limiting the wheel coupling. The seat 113 rotates on the fixed block 111, so that the limiting track wheel 114 contacts the track. The four limiting components 115 limit the four wheel joint seats 113 respectively, so that the four limiting track wheels 114 cooperate with the four sliding track wheels 112 to slide and connect to the track. The lithium battery 5 supplies power to the remote control receiver 4, the control device 7, the two DC motors 9 and the lower limiting device 12. The staff stands in the guardrail assembly 6 and controls the remote control receiver 4 to open through the electric control box assembly 71 to realize the remote control function. The two DC motors 9 are controlled to start through the trolley handle assembly 73. , two DC motors 9 drive two climbing gear sets 10 to rotate through two gear combination reduction boxes 8. The two climbing gear sets 10 climb by meshing with the track to realize the movement of the staff on the structure. The display screen 72 displays the climbing status. When the staff returns to the ground, the frame cover 1 drops to the bottom of the structure. The lower limit bracket assembly 122 first contacts the ground, driving the two limit link assemblies 121 to rotate. The two sensing components 123 detect the two limit link assemblies 121, so that the frame assembly 2 stops in time after contacting the ground. When the climbing When the climbing vehicle needs to be removed, by pressing the two clamping shafts 1151 of each limiting assembly 115, the two clamping shafts 1151 drive the two clamping pins 1152 to slide away and squeeze the two compression springs 1153 alternately, and the two clamping pins 1152 disengage from the two clamping grooves 1154 and correspond to the two rotating grooves 1155, thereby canceling the restriction on the wheel coupling 113, and the four limiting assemblies 115 respectively cancel the restriction on the four wheel couplings 113, and by rotating the four wheel couplings 113, the four limiting track wheels 114 are rotated to one side, so that the climbing vehicle can be removed from the gear slide rail.

[0052] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and improved ideas of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A climbing vehicle, comprising a frame cover (1) and a frame assembly (2), characterized in that: The frame assembly (2) is fixedly connected to the bottom end of the frame cover (1), one side end of the frame assembly (2) is fixedly connected to a battery box base assembly (3), a remote control receiver (4) is fixedly connected inside the frame assembly (2), a lithium battery (5) is detachably connected inside the battery box base assembly (3), a guardrail assembly (6) is fixedly connected to the top of the battery box base assembly (3), and the guardrail assembly (6) is located on one side of the frame cover (1), a control device (7) is provided at the top of the frame cover (1), two gear combination reduction boxes (8) are fixedly connected inside the frame cover (1), the two gear combination reduction boxes (8) are fixedly connected to a DC motor (9) at one end close to each other, and the two DC motors (9) are both located inside the frame cover (1), and a coupling is provided between the two DC motors (9). The two DC motors (9) are fixedly connected at their adjacent ends with brakes (16), and the coupling (15) passes through the two brakes (16). A manual release assembly (17) is provided at the top of the combined reduction box (8) on the upper side, and the manual release assembly (17) passes through the top of the frame cover (1) and corresponds to the two brakes (16). The output ends of the two gear combined reduction boxes (8) are fixedly connected with climbing gear sets (10). Two rail wheel assemblies (11) are provided in the frame cover (1), and the two rail wheel assemblies (11) pass through the outside of the frame cover (1) and correspond to the two climbing gear sets (10). A lower limit device (12) is provided on the frame assembly (2), and the lower limit device (12) passes through the lower side of the frame assembly (2).

2. The climbing vehicle according to claim 1, characterized in that: The control device (7) includes an electric control box assembly (71), a display screen (72) and a trolley handle assembly (73). The electric control box assembly (71) is fixedly connected to the top of the frame cover (1), and one end of the manual release assembly (17) passes through one side of the electric control box assembly (71). The display screen (72) is fixedly connected to the electric control box assembly (71), and the trolley handle assembly (73) is fixedly connected to the rear end of the electric control box assembly (71).

3. The climbing vehicle according to claim 2, characterized in that: Each rail wheel assembly (11) comprises two fixed blocks (111), two sliding rail wheels (112), two wheel coupling seats (113), two limiting rail wheels (114) and two limiting assemblies (115). The two fixed blocks (111) are fixedly connected to the frame cover (1) and correspond to a climbing gear set (10). The two sliding rail wheels (112) are respectively rotatably connected to the adjacent ends of the two fixed blocks (111). The two wheel coupling seats (113) are respectively rotatably connected to the two fixed blocks (111) through rotating shafts. The two limiting rail wheels (114) are respectively rotatably connected to the two wheel coupling seats (113). The two limiting rail wheels (114) correspond to the two sliding rail wheels (112). The two limiting assemblies (115) are respectively arranged between the two wheel coupling seats (113) and the two fixed blocks (111).

4. The climbing vehicle according to claim 3, characterized in that: Each of the limiting components (115) comprises two clamping shafts (1151), two clamping pins (1152), two compression springs (1153), two clamping slots (1154) and two rotation slots (1155). The two clamping shafts (1151) are slidably inserted into a wheel joint seat (113), and the two clamping shafts (1151) are in staggered sliding connection. The two clamping pins (1152) are respectively fixedly connected to the two clamping shafts (1151), and the two clamping pins (1152) are located on a wheel joint seat (113). The two compression springs (1153) are respectively arranged in the two clamping shafts (1151), and the two compression springs (1153) respectively correspond to the two clamping pins (1152). The two clamping slots (1154) are both opened on a fixed block (111), and the two clamping pins (1152) respectively match the two clamping slots (1154). The two rotating slots (1155) are both opened on a fixed block (111), and the two rotating slots (1155) are respectively connected to the two clamping slots (1154).

5. The climbing vehicle according to claim 4, characterized in that: The lower limit device (12) includes two limit link assemblies (121), a lower limit bracket assembly (122) and a sensing component (123). The two limit link assemblies (121) are respectively rotatably connected to the symmetrical two side walls of the frame assembly (2), and the two limit link assemblies (121) are movable through the bottom end of the frame assembly (2). The lower limit bracket assembly (122) is fixedly connected between the two limit link assemblies (121), and the lower limit bracket assembly (122) is located on the lower side of the frame assembly (2) and the battery box base assembly (3). The sensing component (123) is fixedly connected in the frame assembly (2), and the sensing component (123) corresponds to the two lower limit bracket assemblies (122).

6. The climbing vehicle according to claim 5, characterized in that: Both symmetrical ends of the frame assembly (2) are detachably connected to trolley transport quick-insert wheels (13), and the position of the lower limit bracket assembly (122) is higher than the bottom of the two trolley transport quick-insert wheels (13).

7. The climbing vehicle according to claim 6, characterized in that: The top end of the frame cover (1) is fixedly connected to two upper limit assemblies (14), and the top ends of the two upper limit assemblies (14) are located on the upper side of the trolley handle assembly (73).

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