Material transportation device for building construction
By designing a material transportation device for construction, the device includes hydraulic device and telescopic device, the problem of labor-intensive work for workers when pouring out heavy materials is solved, and transportation efficiency and operation convenience of workers are improved.
Patent Information
- Application Number
- CN202421174937.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-27
AI Technical Summary
During construction, staff need to work hard to pour heavy materials out of the cart, resulting in inefficient transportation.
A material transport device for construction construction is designed, which includes a chassis, a truck bucket, a drive device, a moving device, a hydraulic device, a telescopic device, a brake device, a handlebar and a controller. Through the cooperation of the hydraulic device and the telescopic device, the staff can easily pour the material out of the truck bucket.
The device allows staff to easily pour materials out of the cart, improving transportation efficiency and reducing labor intensity for staff.
Smart Images

Figure CN222682500U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction equipment, in particular to a material transportation device for building construction. Background Art
[0002] Building construction refers to the production activities during the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. Material transportation equipment is needed in the process of building construction.
[0003] At present, materials used in construction are generally transported by carts, which require workers to apply force to the cart to tilt the cart and pour out the materials. The materials are heavy and workers have difficulty in pouring them. Workers can easily pour materials out of the cart through this device. Utility Model Content
[0004] The utility model aims to solve the technical problem of how to easily pour materials from a cart, and proposes a material transport device for construction. The technical solution of the utility model is as follows:
[0005] A material transport device for construction includes: a chassis, a bucket, a driving device, a moving device, two oil pressure devices, a telescopic device, two braking devices, a handlebar, a controller, and a battery; the chassis is arranged horizontally; the bucket is arranged above the chassis, the bucket is rotatably connected to the upper surface of one side of the chassis, and its rotation axis is arranged horizontally; the driving device is arranged below the chassis and fixedly connected to the lower surface of the chassis; the moving device is arranged below the chassis, connected to the chassis, and connected to the driving device; the two oil pressure devices are arranged symmetrically, arranged above the chassis, arranged on the side of the bucket away from the connection with the chassis, and fixedly connected to the upper surface of the chassis; the telescopic device is arranged above the chassis, arranged below the bucket, and is rotatably connected to the chassis The telescopic device is rotatably connected to the vehicle bucket, and its rotation axis is parallel to the rotation axis of the rotation connection between the vehicle bucket and the chassis, and is connected to the oil pressure device; the two braking devices are symmetrically arranged, arranged below the chassis, arranged above the mobile device, connected to the chassis, and the two braking devices are respectively connected to the two oil pressure devices; the handlebar is horizontally arranged, arranged above the two oil pressure devices, and fixedly connected to the oil pressure devices; the controller is arranged above the handlebar and fixedly connected to the handlebar, and the controller is electrically connected to the driving device; the battery is arranged above one side of the chassis close to the oil pressure device, fixedly connected to the chassis, electrically connected to the controller, and electrically connected to the mobile device.
[0006] When materials need to be transported, the staff puts the materials into the bucket, and then turns on the driving device through the controller to energize the driving device and the battery. The driving device drives the moving device to move, the moving device drives the chassis to move, the chassis drives the bucket to move, and the bucket drives the materials to move, and the materials are transported to the designated location. When the materials are transported to the designated location, the staff turns off the driving device through the controller, and then turns on the brake device through the hydraulic device to fix the moving device. When the materials need to be unloaded, the staff turns on the telescopic device through the hydraulic device, and the telescopic device drives the bucket to rotate around the connection position between the bucket and the chassis, so as to pour the materials out of the bucket.
[0007] Furthermore, the driving device includes: a motor, a transmission shaft, a driving wheel, a passive wheel, and a belt; the motor shaft is horizontally arranged, arranged below the chassis, fixedly connected to the lower surface of the chassis, electrically connected to the controller, and electrically connected to the battery; the transmission shaft is parallel to the motor shaft, arranged below the chassis, and rotatably connected to the chassis, and its rotation axis coincides with the axis of the transmission shaft; the driving wheel axis is horizontally arranged, arranged at one end of the motor shaft, and fixedly connected to the motor shaft; the passive wheel is sleeved on the transmission shaft and fixedly connected to the transmission shaft; the belt is sleeved on the driving wheel and the passive wheel, and is in contact with the driving wheel and the passive wheel.
[0008] When materials need to be transported, the staff puts the materials into the truck bed. After that, the staff turns on the motor through the controller to energize the motor and the battery. The rotation of the motor drives the driving wheel to rotate, the rotation of the driving wheel drives the belt to rotate, the belt drives the driven wheel to rotate, and the driven wheel drives the transmission shaft to rotate.
[0009] Furthermore, the moving device includes: two moving wheels and a steering wheel. The two moving wheels are respectively sleeved on both ends of the transmission shaft and fixedly connected to both ends of the transmission shaft. The steering wheel axis is horizontally arranged, arranged at the middle position below the chassis near the handlebar, and fixedly connected to the lower surface of the chassis.
[0010] When the transmission shaft rotates, the transmission shaft drives the two moving wheels to rotate, and the moving wheels rotate to drive the cart to move and transport the materials to the designated location. When steering is required, the steering of the cart can be achieved through the cooperation between the handlebar and the steering wheel.
[0011] Furthermore, the oil pressure device includes: a sealing cylinder, a first piston, a compression rod, and hydraulic oil. The sealing cylinder is vertically arranged, arranged above the chassis and below the handlebars, and the lower end of the sealing cylinder is fixedly connected to the upper surface of the chassis. The first piston is arranged inside the sealing cylinder and is vertically slidably connected to the sealing cylinder. The compression rod is arranged above the first piston and directly below the handlebars, one end of the compression rod is fixedly connected to the upper surface of the first piston, and the other end of the compression rod is fixedly connected to the lower surface of the handlebars. The hydraulic oil is arranged in the sealing cylinder.
[0012] When the material is transported to the designated location, the worker moves the handlebar vertically, the handlebar drives the compression rod to move vertically, the compression rod drives the first piston to move vertically, and the first piston drives the hydraulic oil to move in the sealing cylinder.
[0013] Furthermore, the telescopic device includes: a telescopic rod, an oil pipeline, and a ball switch; the telescopic rod is tilted above the chassis and below the bucket, the lower end of the telescopic rod is rotatably connected to the chassis, and its rotation axis is parallel to the rotation axis of the bucket and chassis; the upper end of the telescopic rod is rotatably connected to the lower part of the bucket near the handlebar, and its rotation axis is parallel to the rotation axis of the bucket and chassis; the oil pipeline is arranged above the chassis, one end of the oil pipeline is connected to the sealing cylinder, and the other end of the oil pipeline is connected to the telescopic rod; the ball switch is arranged on the oil pipeline and fixedly connected to the oil pipeline. When it is necessary to unload the material, the staff opens the ball switch, the hydraulic oil enters the oil pipeline from the sealing cylinder, and the hydraulic oil enters the telescopic rod through the oil pipeline, the telescopic rod is extended, and the extension of the telescopic rod drives the bucket to rotate around the place where the bucket is connected to the chassis, and the rotation of the bucket drives the material to rotate, and the material is poured out from the bucket.
[0014] Furthermore, the braking device includes: a caliper, a brake pad, and a brake oil pipe. The caliper is arranged at a position of the chassis close to the moving wheel, the caliper is arranged directly above the transmission shaft, and the caliper is fixedly connected to the lower surface of the chassis close to the moving wheel. The brake pad is sleeved on the transmission shaft, arranged at the lower part of the caliper, and fixedly connected to the transmission shaft. The brake oil pipe runs through the chassis, one end of the brake oil pipe is connected to the sealing cylinder, and the other end of the brake oil pipe is connected to the caliper.
[0015] When the material is transported to the designated location, the staff transports the hydraulic oil to the brake oil pipe through the oil pressure device. The first piston pushes the hydraulic oil into the brake oil pipe. The hydraulic oil enters the caliper through the brake oil pipe. The caliper clamps the brake pads to fix the drive shaft and the moving wheel, thereby achieving braking.
[0016] The beneficial effects of the utility model are as follows: when transporting materials, the staff puts the materials into the bucket, and then the staff turns on the driving device through the controller, the driving device drives the moving device to move, the moving device drives the chassis and the bucket to move, and the materials are transported to the designated location, and then the staff presses down the handle, the handle drives the hydraulic device to move, the hydraulic device drives the brake device to brake, so that the cart is fixed and no longer moves, which is convenient for unloading materials. When it is necessary to unload materials, the staff turns on the telescopic device through the hydraulic device, the telescopic device extends, drives the bucket to rotate around the connection between the bucket and the chassis, and pours out the materials in the bucket. The utility model enables the staff to easily pour materials out of the cart through the cooperation of the hydraulic device and the telescopic device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0018] Figure 1 It is a rear view of the utility model;
[0019] Figure 2 It is a side view of the utility model;
[0020] Figure 3 It is a bottom view of the utility model;
[0021] Explanation of the accompanying drawings: 1. chassis; 2. truck bed; 3. handlebar; 4. controller; 5. battery; 6. motor; 7. transmission shaft; 8. driving wheel; 9. driven wheel; 10. belt; 11. moving wheel; 12. steering wheel; 13. sealing cylinder; 14. first piston; 15. compression rod; 16. hydraulic oil; 17. telescopic rod; 18. oil pipeline; 19. ball switch; 20. clamp; 21. brake pad; 22. brake oil pipe. DETAILED DESCRIPTION
[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-Figure 3The utility model provides a material transportation device for construction, comprising: a chassis 1, a bucket 2, a driving device, a moving device, two oil pressure devices, a telescopic device, two braking devices, a handlebar 3, a controller 4, and a battery 5; the chassis 1 is arranged horizontally; the bucket 2 is arranged above the chassis 1, and the bucket 2 is rotatably connected to the upper surface of one side of the chassis 1, and its rotation axis is arranged horizontally; the driving device is arranged below the chassis 1 and is fixedly connected to the lower surface of the chassis 1; the moving device is arranged below the chassis 1, connected to the chassis 1, and connected to the driving device; the two oil pressure devices are symmetrically arranged, arranged above the chassis 1, arranged on the side of the bucket 2 away from the connection with the chassis 1, and fixedly connected to the upper surface of the chassis 1; the telescopic device is arranged above the chassis 1 and below the bucket 2. It is rotatably connected to the chassis 1, and its rotation axis is parallel to the rotation axis of the rotation connection between the bucket 2 and the chassis 1. The telescopic device is rotatably connected to the bucket 2, and its rotation axis is parallel to the rotation axis of the rotation connection between the bucket 2 and the chassis 1, and is connected to the oil pressure device; the two braking devices are symmetrically arranged, arranged below the chassis 1, and arranged above the moving device, and are connected to the chassis 1, and the two braking devices are respectively connected to the two oil pressure devices; the handlebar 3 is horizontally arranged, arranged above the two oil pressure devices, and fixedly connected to the oil pressure devices; the controller 4 is arranged above the handlebar 3 and fixedly connected to the handlebar 3, and the controller 4 is electrically connected to the driving device; the battery 5 is arranged above the side of the chassis 1 close to the oil pressure device, fixedly connected to the chassis 1, electrically connected to the controller 4, and electrically connected to the moving device.
[0024] When materials need to be transported, the staff puts the materials into the bucket 2, and then the staff turns on the driving device through the controller 4 to energize the driving device and the battery 5, and the driving device drives the moving device to move, the moving device drives the chassis 1 to move, the chassis 1 drives the bucket 2 to move, and the bucket 2 drives the materials to move, and the materials are transported to the designated location. When the materials are transported to the designated location, the staff turns off the driving device through the controller 4, and then turns on the braking device through the hydraulic device to fix the moving device. When the materials need to be unloaded, the staff turns on the telescopic device through the hydraulic device, and the telescopic device drives the bucket 2 to rotate around the connection position between the bucket 2 and the chassis 1, so as to pour the materials out of the bucket 2.
[0025] The driving device includes: a motor 6, a transmission shaft 7, a driving wheel 8, a driven wheel 9, and a belt 10; the motor 6 shaft is horizontally arranged, arranged below the chassis 1, fixedly connected to the lower surface of the chassis 1, electrically connected to the controller 4, and electrically connected to the battery 5; the transmission shaft 7 is parallel to the motor 6 shaft, arranged below the chassis 1, and rotatably connected to the chassis 1, and its rotation axis coincides with the axis of the transmission shaft 7; the driving wheel 8 axis is horizontally arranged, arranged at one end of the motor 6 shaft, and fixedly connected to the motor 6 shaft; the driven wheel 9 is sleeved on the transmission shaft 7 and fixedly connected to the transmission shaft 7; the belt 10 is sleeved on the driving wheel 8 and the driven wheel 9, and is in contact with the driving wheel 8 and the driven wheel 9.
[0026] When materials need to be transported, the staff puts the materials into the truck bed 2. After that, the staff turns on the motor 6 through the controller 4 to energize the motor 6 and the battery 5. The rotation of the motor 6 drives the driving wheel 8 to rotate. The rotation of the driving wheel 8 drives the belt 10 to rotate. The belt 10 drives the driven wheel 9 to rotate. The driven wheel 9 drives the transmission shaft 7 to rotate.
[0027] The moving device includes: two moving wheels 11 and a steering wheel 12. The two moving wheels 11 are respectively sleeved on both ends of the transmission shaft 7 and fixedly connected to both ends of the transmission shaft 7. The steering wheel 12 is horizontally arranged at the middle position below the chassis 1 near the handlebar 3 and fixedly connected to the lower surface of the chassis 1.
[0028] When the transmission shaft 7 rotates, the transmission shaft 7 drives the two moving wheels 11 to rotate, and the moving wheels 11 rotate to drive the cart to move and transport the materials to the specified location. When steering is required, the steering of the cart can be achieved by the mutual cooperation of the handlebar 3 and the steering wheel 12.
[0029] The oil pressure device includes: a sealing cylinder 13, a first piston 14, a compression rod 15, and hydraulic oil 16. The sealing cylinder 13 is vertically arranged, arranged above the chassis 1 and below the handlebar 3, and the lower end of the sealing cylinder 13 is fixedly connected to the upper surface of the chassis 1. The first piston 14 is arranged inside the sealing cylinder 13 and is vertically slidably connected to the sealing cylinder 13. The compression rod 15 is arranged above the first piston 14 and directly below the handlebar 3. One end of the compression rod 15 is fixedly connected to the upper surface of the first piston 14, and the other end of the compression rod 15 is fixedly connected to the lower surface of the handlebar 3. The hydraulic oil 16 is arranged in the sealing cylinder 13.
[0030] When the material is transported to the designated location, the staff member moves the handlebar 3 vertically, the handlebar 3 drives the compression rod 15 to move vertically, the compression rod 15 drives the first piston 14 to move vertically, and the first piston 14 drives the hydraulic oil 16 to move in the sealing cylinder 13.
[0031] The telescopic device includes: a telescopic rod 17, an oil pipeline 18, and a ball switch 19; the telescopic rod 17 is tiltedly arranged above the chassis 1 and below the truck bed 2, the lower end of the telescopic rod 17 is rotatably connected to the chassis 1, and its rotation axis is parallel to the rotation axis of the rotation connection between the truck bed 2 and the chassis 1, the upper end of the telescopic rod 17 is rotatably connected to the lower part of the truck bed 2 near the handlebar 3, and its rotation axis is parallel to the rotation axis of the rotation connection between the truck bed 2 and the chassis 1; the oil pipeline 18 is arranged above the chassis 1, one end of the oil pipeline 18 is connected to the sealing cylinder 13, and the other end of the oil pipeline 18 is connected to the telescopic rod 17; the ball switch 19 is arranged on the oil pipeline 18 and is fixedly connected to the oil pipeline 18. When the material needs to be unloaded, the staff turns on the ball switch 19, and the hydraulic oil 16 enters the oil pipe 18 from the sealing cylinder 13, and the hydraulic oil 16 enters the telescopic rod 17 through the oil pipe 18. The telescopic rod 17 extends, and the extension of the telescopic rod 17 drives the bucket 2 to rotate around the connection between the bucket 2 and the chassis 1. The rotation of the bucket 2 drives the material to rotate, and the material is poured out of the bucket 2.
[0032] The brake device includes: a caliper 20, a brake pad 21, and a brake oil pipe 22. The caliper 20 is arranged at a position of the chassis 1 close to the moving wheel 11, and the caliper 20 is arranged just above the transmission shaft 7. The caliper 20 is fixedly connected to the lower surface of the chassis 1 close to the moving wheel 11. The brake pad 21 is sleeved on the transmission shaft 7, arranged at the lower part of the caliper 20, and fixedly connected to the transmission shaft 7. The brake oil pipe 22 runs through the chassis 1, one end of the brake oil pipe 22 is connected to the sealing cylinder 13, and the other end of the brake oil pipe 22 is connected to the caliper 20.
[0033] When the material is transported to the designated location, the staff delivers the hydraulic oil 16 to the brake oil pipe 22 through the oil pressure device. The first piston 14 pushes the hydraulic oil into the brake oil pipe 22. The hydraulic oil 16 enters the clamp 20 through the brake oil pipe 22. The clamp 20 clamps the brake pad 21 to fix the transmission shaft 7 and the moving wheel 11, thereby achieving braking.
[0034] Working principle:
[0035] When materials need to be transported, the staff puts the materials into the bucket 2, and then the staff turns on the motor 6 through the controller 4, so that the motor 6 and the battery 5 are energized, and the motor 6 rotates to drive the driving wheel 8 to rotate, and the driving wheel 8 rotates to drive the belt 10 to rotate, and the belt 10 drives the passive wheel 9 to rotate, and the passive wheel 9 drives the transmission shaft 7 to rotate, and the transmission shaft 7 drives the two moving wheels 11 to rotate, and the moving wheels 11 rotate to drive the cart to move and transport the materials to the designated location. When steering is required, the steering of the cart can be achieved through the cooperation between the handlebar 3 and the steering wheel 12.
[0036] When the material is transported to the designated location, the worker presses down the handlebar 3, the handlebar 3 drives the compression rod 15 to move downward, the compression rod 15 drives the first piston 14 to move downward, the first piston 14 drives the hydraulic oil 16 to move in the sealing tube 13, the hydraulic oil 16 enters the clamp 20 through the brake oil pipe 22, the clamp 20 clamps the brake pad 21, fixes the transmission shaft 7 and the moving wheel 11, thereby achieving braking, which is convenient for the worker to unload the material.
[0037] When the material needs to be unloaded, the staff turns on the ball switch 19, and then the staff presses down the handlebar 3, the handlebar 3 drives the compression rod 15 to move downward, the compression rod 15 drives the first piston 14 to move downward, the first piston 14 drives the hydraulic oil 16 to move in the sealing tube 13, the hydraulic oil 16 enters the oil pipe 18, the hydraulic oil 16 enters the telescopic rod 17 through the oil pipe 18, the telescopic rod 17 extends, and the extension of the telescopic rod 17 drives the bucket 2 to rotate around the connection between the bucket 2 and the chassis 1, the rotation of the bucket 2 drives the material to rotate, and the material is poured out of the bucket 2.
[0038] After the staff unloads the materials, the staff pulls up the handlebar 3, the handlebar 3 drives the compression rod 15 to move upward, the compression rod 15 drives the first piston 14 to move upward, the first piston 14 forms a negative pressure in the sealing cylinder 13, the hydraulic oil 16 enters the sealing cylinder 13 from the oil pipe 18, the telescopic rod 17 contracts, and the telescopic rod 17 drives the bucket 2 to rotate around the connection between the bucket 2 and the chassis 1, and the bucket 2 returns to its original position.
[0039] When negative pressure is formed in the sealing tube 13, the first piston 14 pushes the hydraulic oil 16 into the sealing tube through the brake oil pipe 22, and the clamp 20 releases the brake pad 21 to release the cart brake.
[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A material transport device for construction, characterized in that: include: A chassis (1), a truck bucket (2), a driving device, a moving device, two oil pressure devices, a telescopic device, two brake devices, a handlebar (3), a controller (4), and a battery (5); the chassis (1) is arranged horizontally; the truck bucket (2) is arranged above the chassis (1), the truck bucket (2) is rotatably connected to the upper surface of one side of the chassis (1), and its rotation axis is arranged horizontally; the driving device is arranged below the chassis (1) and is fixedly connected to the lower surface of the chassis (1); the moving device is arranged below the chassis (1), connected to the chassis (1), and connected to the driving device; the two oil pressure devices are arranged symmetrically, arranged above the chassis (1), arranged on the side of the truck bucket (2) away from the connection with the chassis (1), and fixedly connected to the upper surface of the chassis (1); the telescopic device is arranged above the chassis (1), arranged below the truck bucket (2), and is rotatably connected to the chassis (1), and its The rotation axis is parallel to the rotation axis of the rotatable connection between the bucket (2) and the chassis (1); the telescopic device is rotatably connected to the bucket (2); its rotation axis is parallel to the rotation axis of the rotatable connection between the bucket (2) and the chassis (1), and is connected to the oil pressure device; the two brake devices are symmetrically arranged, arranged below the chassis (1), arranged above the moving device, and connected to the chassis (1); the two brake devices are respectively connected to the two oil pressure devices; the handlebar (3) is arranged horizontally, arranged above the two oil pressure devices, and fixedly connected to the oil pressure devices; the controller (4) is arranged above the handlebar (3) and fixedly connected to the handlebar (3), and the controller (4) is electrically connected to the drive device; the battery (5) is arranged above a side of the chassis (1) close to the oil pressure device, fixedly connected to the chassis (1), electrically connected to the controller (4), and electrically connected to the moving device.
2. A material transport device for construction according to claim 1, characterized in that: The driving device comprises: a motor (6), a transmission shaft (7), a driving wheel (8), a driven wheel (9), and a belt (10); the motor (6) rotating shaft is horizontally arranged, arranged below the chassis (1), fixedly connected to the lower surface of the chassis (1), electrically connected to the controller (4), and electrically connected to the battery (5); the transmission shaft (7) is parallel to the motor (6) rotating shaft, arranged below the chassis (1), and rotatably connected to the chassis (1), and its rotation axis coincides with the axis of the transmission shaft (7); the driving wheel (8) axis is horizontally arranged, arranged at one end of the motor (6) rotating shaft, and fixedly connected to the motor (6) rotating shaft; the driven wheel (9) is sleeved on the transmission shaft (7) and fixedly connected to the transmission shaft (7); the belt (10) is sleeved on the driving wheel (8) and the driven wheel (9), and contacts the driving wheel (8) and contacts the driven wheel (9).
3. A material transport device for construction according to claim 2, characterized in that: The moving device comprises: two moving wheels (11) and a steering wheel (12); the two moving wheels (11) are respectively sleeved on the two ends of the transmission shaft (7) and are fixedly connected to the two ends of the transmission shaft (7); the steering wheel (12) has a horizontal axis and is arranged at a middle position below the chassis (1) close to the handlebars (3) and is fixedly connected to the lower surface of the chassis (1).
4. A material transport device for construction according to claim 3, characterized in that: The oil pressure device comprises: a sealing cylinder (13), a first piston (14), a compression rod (15), and hydraulic oil (16); the sealing cylinder (13) is vertically arranged, arranged above the chassis (1) and below the handlebar (3), and the lower end of the sealing cylinder (13) is fixedly connected to the upper surface of the chassis (1); the first piston (14) is arranged inside the sealing cylinder (13) and is vertically slidably connected to the sealing cylinder (13); the compression rod (15) is arranged above the first piston (14) and directly below the handlebar (3); one end of the compression rod (15) is fixedly connected to the upper surface of the first piston (14), and the other end of the compression rod (15) is fixedly connected to the lower surface of the handlebar (3); the hydraulic oil (16) is arranged in the sealing cylinder (13).
5. A material transport device for construction according to claim 4, characterized in that: The telescopic device comprises: a telescopic rod (17), an oil delivery pipe (18), and a ball switch (19); the telescopic rod (17) is arranged obliquely above the chassis (1) and below the truck box (2); the lower end of the telescopic rod (17) is rotatably connected to the chassis (1), and its rotation axis is parallel to the rotation axis of the truck box (2) and the chassis (1); the upper end of the telescopic rod (17) is rotatably connected to the lower part of the truck box (2) near the handlebar (3), and its rotation axis is parallel to the rotation axis of the truck box (2) and the chassis (1); the oil delivery pipe (18) is arranged above the chassis (1), one end of the oil delivery pipe (18) is connected to the sealing cylinder (13), and the other end of the oil delivery pipe (18) is connected to the telescopic rod (17); the ball switch (19) is arranged on the oil delivery pipe (18) and is fixedly connected to the oil delivery pipe (18).
6. A material transport device for construction according to claim 5, characterized in that: The braking device comprises: a clamp (20), a brake pad (21), and a brake oil pipe (22); the clamp (20) is arranged at a position of the chassis (1) close to the moving wheel (11), the clamp (20) is arranged directly above the transmission shaft (7), and the clamp (20) is fixedly connected to the lower surface of the chassis (1) close to the moving wheel (11); the brake pad (21) is sleeved on the transmission shaft (7), arranged at the lower part of the clamp (20), and fixedly connected to the transmission shaft (7); the brake oil pipe (22) passes through the chassis (1), one end of the brake oil pipe (22) is connected to the sealing cylinder (13), and the other end of the brake oil pipe (22) is connected to the clamp (20).