Material transportation device for building construction

Abstract

The utility model discloses a material transportation device for building construction, which comprises a locomotive and a storage bucket, the storage bucket is arranged at the center position of the top end of the locomotive, a multi-layer frame is arranged in the storage bucket in a sliding manner, the multi-layer frame extends to the outside of the storage bucket, a plurality of groups of charging barrels are arranged in the multi-layer frame at equal intervals, and the charging barrels are connected with the storage bucket in a sliding manner. And a rotating box is mounted at the top end of the locomotive on one side of the storage bucket. According to the utility model, not only are convenient and fast multi-position movable conveying of materials, multi-position flexible rotary adjustment and placement of the materials and layered temporary storage treatment of the materials realized, but also the transportation device can conveniently carry out transportation treatment on the multiple materials at one time, and the convenience of rotary adjustment and placement of the materials and the material transportation efficiency of the transportation device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of material transport devices, in particular to a material transport device for construction. Background Art

[0002] Construction refers to the production activities during the implementation phase of a project. It is the process of constructing various buildings. It can also be described as the process of transforming the various lines on the design drawings into physical objects at designated locations. This includes foundation construction, main structure construction, roofing construction, and decorative engineering construction. The location where construction takes place is called a construction site, or construction site. Construction materials refer to the various materials used in construction, including steel bars, cement, sand and gravel. The transportation of these materials is a critical link in construction projects, directly affecting the progress and quality of the project.

[0003] For example, a material transport device for construction disclosed in the authorization announcement number CN215752570U includes a base, a tank body, a moving trough, a first motor, a first threaded rod, a first moving block, a first connecting rod, a second threaded rod, a second moving block, a second connecting rod, a first pulley, a second pulley, a belt, a rotating rod, a material feed port, a material discharge port, and a universal roller;

[0004] Although it solves the problems that workers have to work hard when pouring concrete and it is inconvenient to store it during transportation, this device stores the concrete in the tank and controls the tilt angle of the tank to facilitate pouring out the concrete, which reduces the work intensity of the workers, saves effort, and improves the applicability of the device;

[0005] However, it does not solve the problem that the existing material transportation device is not conducive to convenient multi-position mobile transportation of materials during use, and is not convenient for flexible rotation adjustment and placement of materials in multiple positions. It is not convenient for temporary storage of materials in layers and transportation of multiple materials at a time, which greatly affects the convenience of the transportation device's rotation adjustment and placement of materials and the efficiency of material transportation. Utility Model Content

[0006] The purpose of the present utility model is to provide a material transport device for construction, so as to solve the problems proposed in the above background technology that the material transport device is not convenient for convenient multi-position movement and transportation of materials, and is not convenient for flexible rotation adjustment and placement of materials in multiple positions, and is not convenient for temporary storage of materials in layers and transportation of multiple materials at one time, which affects the convenience of the transportation device in rotating and adjusting the placement of materials and the efficiency of material transportation.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a material transportation device for construction construction, comprising a locomotive and a storage bucket, wherein the storage bucket is installed at the top center position of the locomotive, the storage bucket is slidably installed with a multi-layer rack inside the storage bucket, and the multi-layer rack extends to the outside of the storage bucket, and multiple groups of material receiving barrels with equal intervals are installed inside the multi-layer rack, a rotating box is installed on the top of the locomotive on one side of the storage bucket, a vertical frame is movably installed on the top of the rotating box, a fixed seat is installed on the top of the vertical frame, a linkage shaft is movably installed inside the fixed seat, a cross frame is installed on the outer wall of the linkage shaft, a sliding sleeve frame is slidably installed inside the cross frame, a slide is installed inside the sliding sleeve frame, a vertical rod is slidably installed inside the sliding sleeve frame on one side of the slide, a slide rail is installed on the side wall of the vertical rod, and the slide rail is slidably connected to the slide, and a connecting frame is installed at the bottom end of the vertical rod below the slide.

[0008] Preferably, a middle electric push rod is installed at the top of the horizontal frame on one side of the sliding sleeve frame, a transmission rod is installed at the output end of the middle electric push rod, and the transmission rod is connected to the sliding sleeve frame, and an upper electric push rod is installed at the top of the sliding sleeve frame on one side of the vertical pole, and the output end of the upper electric push rod is connected to the vertical pole.

[0009] Preferably, a lower electric push rod is installed inside the connecting frame, and a three-arm block is installed at the output end of the lower electric push rod, and the three-arm blocks all extend to the outside of the connecting frame, and the three-arm block is slidably connected to the connecting frame, and three groups of clamping arms with equal intervals are movably installed on the outer wall of the three-arm block, and hinge shafts are movably installed on the side walls of the clamping arms, and the clamping arms are movably connected to the three-arm block through the hinge shafts.

[0010] Preferably, a base frame is installed at the bottom end of the connecting frame below the three-arm block, and a limiting arm is installed on the outer wall of the base frame on one side of the clamping arm, and the limiting arm is movably connected to the clamping arm.

[0011] Preferably, a rotating disk is mounted on the outer wall of the linkage shaft on one side of the fixed seat, a swing arm is installed at the bottom end of the rotating disk, a right electric push rod is movably installed on the side wall of the stand below the swing arm, and the output end of the right electric push rod is connected to the swing arm.

[0012] Preferably, a rotary motor is installed inside the rotary box above the locomotive, a worm is installed at the output end of the rotary motor, a worm wheel is movably installed inside the rotary box on one side of the worm wheel, and the worm wheel is meshed with the worm wheel.

[0013] Preferably, a rotating shaft is installed on the top end of the worm gear, and the rotating shaft is connected to the stand.

[0014] Preferably, a stepper motor is symmetrically installed inside the storage barrel above the locomotive, and threaded sleeves are installed on the side walls of the multi-layer rack above the stepper motor.

[0015] Preferably, the interiors of the threaded sleeves are all threadedly connected to threaded rods, and the threaded rods are all connected to the output ends of the stepping motors.

[0016] Preferably, a remote controller is installed on the top of the locomotive on one side of the rotating box, and the output end of the remote controller is electrically connected to the input ends of the right electric push rod, the middle electric push rod, the upper electric push rod, the lower electric push rod, the rotating motor, and the threaded sleeve.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the material transport device not only realizes convenient multi-position mobile conveying of materials, flexible rotation adjustment and placement of materials at multiple positions, and temporary storage of materials in layers, but also facilitates the transport device to transport multiple materials at a time, and improves the convenience of the transport device's rotation adjustment and placement of materials and the efficiency of material transportation;

[0018] (1) The middle electric push rod drives the sliding frame to move through the transmission rod, and the sliding frame slides inside the horizontal frame, and the sliding frame drives the vertical rod and the clamping arm to move synchronously. At this time, the clamping arm is located directly above the material, and the upper electric push rod drives the vertical rod to move downward, and the vertical rod drives the slide rail to move downward along the surface of the slide seat. At this time, the clamping arm contacts the material, and the lower electric push rod drives the three-arm block to move upward, and the three-arm block drives the clamping arm to rotate with the hinge axis as the axis. With the cooperation of the clamping arm, the material is clamped and processed. By operating the remote controller to reversely open the upper electric push rod and the middle electric push rod, the upper electric push rod drives the clamping arm and the clamped material to move upward, and the middle electric push rod drives the clamping arm and the clamped material to move horizontally, so as to facilitate the subsequent placement of materials for processing, thereby realizing the convenient multi-position mobile material transportation of the material transportation device for construction, and facilitating the stable clamping and transportation of the material by the transportation device;

[0019] (2) The worm is driven to rotate by a rotating motor, and the rotating shaft is driven to rotate under the meshing action of the worm and the worm wheel. The rotating shaft drives the vertical frame and the clamped material to rotate synchronously to make the material rotate in a circular manner. At this time, the clamped material is located directly above a group of receiving barrels. The lower electric push rod is opened in the reverse direction by operating the remote controller. The lower electric push rod drives the clamping arm to move in the reverse direction. Under the influence of gravity, the clamped material falls into the inside of a group of receiving barrels. When it needs to be placed in a different receiving barrel, the upper electric push rod and the middle electric push rod are opened again by operating the remote controller. The upper electric push rod and the middle electric push rod are used to facilitate the horizontal and vertical control movement. The right electric push rod The movable push rod drives the rotating disk to rotate through the swing arm, and the rotating disk drives the linkage shaft to rotate synchronously, and the linkage shaft drives the horizontal frame to rotate, and the horizontal frame turns from a horizontal to a vertical state. The horizontal frame rotates the clamped materials to facilitate the clamped materials to be placed in the receiving barrels at different positions in sequence. In the same way, it is convenient to place the materials in the inside of the receiving barrel in sequence, and the receiving barrel stores the materials, realizing the convenient multi-position and flexible rotation adjustment and placement of materials of the material transportation device for construction construction, facilitating the rapid adjustment of the angle of the transportation device to place materials in batches, increasing the range of the transportation device to move materials, and improving the convenience of the transportation device in rotating and adjusting the placement of materials;

[0020] (3) The threaded rod is driven to rotate by a stepper motor, and the threaded rod drives the threaded sleeve to move downward, and the threaded sleeve drives the multi-layer rack to move downward synchronously, so as to place the materials in the receiving barrel of each layer inside the multi-layer rack in turn, and the receiving barrel temporarily stores the materials, so that the receiving barrel drives the materials to enter the storage barrel in turn, realizing the layered temporary storage of materials by the material transportation device for construction, facilitating the transportation device to transport multiple materials at a time, increasing the transportation volume of the transportation device at a time, and improving the working efficiency of the transportation device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the material receiving barrel of the present utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the electric push rod of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the right electric push rod of the present utility model;

[0025] Figure 5 This is a schematic diagram of the front cross-sectional structure of the rotary box of the present invention;

[0026] Figure 6This is a schematic diagram of the front cross-sectional structure of the storage bucket of the present invention;

[0027] Figure 7 This is a schematic diagram of the three-dimensional structure of the limiting arm of the utility model;

[0028] Figure 8 It is a schematic diagram of the three-dimensional structure of the clamping arm of the present invention.

[0029] In the figure: 1. locomotive; 2. storage bucket; 3. multi-layer rack; 4. swing arm; 5. rotating disk; 6. receiving barrel; 7. rotating box; 8. fixed seat; 9. vertical frame; 10. linkage shaft; 11. horizontal frame; 12. remote controller; 13. right electric push rod; 14. sliding sleeve frame; 15. sliding seat; 16. vertical pole; 17. slide rail; 18. upper electric push rod; 19. middle electric push rod; 20. transmission rod; 21. connecting frame; 22. lower electric push rod; 23. three-arm block; 24. clamping arm; 25. articulated shaft; 26. base frame; 27. limit arm; 28. rotating motor; 29. ​​worm; 30. worm gear; 31. rotating shaft; 32. stepping motor; 33. threaded sleeve; 34. threaded rod. DETAILED DESCRIPTION

[0030] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0031] See also Figure 1-8 The utility model provides an embodiment of a material transportation device for construction, comprising a locomotive 1 and a storage bucket 2, a storage bucket 2 is installed at the top center position of the locomotive 1, a multi-layer rack 3 is slidably installed inside the storage bucket 2, and the multi-layer rack 3 extends to the outside of the storage bucket 2, and a plurality of groups of material receiving barrels 6 with equal intervals are installed inside the multi-layer rack 3, a rotating box 7 is installed on the top of the locomotive 1 on one side of the storage bucket 2, a vertical frame 9 is movably installed on the top of the rotating box 7, a fixed seat 8 is installed on the top of the vertical frame 9, a linkage shaft 10 is movably installed inside the fixed seat 8, a horizontal frame 11 is installed on the outer wall of the linkage shaft 10, a sliding sleeve frame 14 is slidably installed inside the horizontal frame 11, a slide seat 15 is installed inside the sliding sleeve frame 14, a vertical rod 16 is slidably installed inside the sliding sleeve frame 14 on one side of the slide seat 15, a slide rail 17 is installed on the side wall of the vertical rod 16, and the slide rail 17 is slidably connected to the slide seat 15, and a connecting frame 21 is installed at the bottom end of the vertical rod 16 below the slide seat 15;

[0032] A middle electric push rod 19 is installed at the top of the horizontal frame 11 on one side of the sliding sleeve frame 14. A transmission rod 20 is installed at the output end of the middle electric push rod 19, and the transmission rod 20 is connected to the sliding sleeve frame 14. An upper electric push rod 18 is installed at the top of the sliding sleeve frame 14 on one side of the vertical pole 16, and the output end of the upper electric push rod 18 is connected to the vertical pole 16.

[0033] A lower electric push rod 22 is mounted inside the connecting frame 21. A three-arm block 23 is mounted on the output end of the lower electric push rod 22. The three-arm blocks 23 all extend to the outside of the connecting frame 21 and are slidably connected to the connecting frame 21. Three groups of clamping arms 24 at equal intervals are movably mounted on the outer wall of the three-arm block 23. A hinge shaft 25 is movably mounted on the side wall of the clamping arms 24. The clamping arms 24 are movably connected to the three-arm block 23 via the hinge shaft 25.

[0034] A base frame 26 is installed at the bottom end of the connecting frame 21 below the three-arm block 23. A limit arm 27 is installed on the outer wall of the base frame 26 on one side of the clamping arm 24, and the limit arm 27 is movably connected to the clamping arm 24. A rotating disk 5 is mounted on the outer wall of the linkage shaft 10 on one side of the fixed seat 8. A swing arm 4 is installed at the bottom end of the rotating disk 5. A right electric push rod 13 is movably installed on the side wall of the vertical frame 9 below the swing arm 4, and the output end of the right electric push rod 13 is connected to the swing arm 4;

[0035] The transport device is moved to the designated construction site by the locomotive 1 to facilitate the transport device to transport the materials used for construction. At this time, the transport device is located on one side of the material. The middle electric push rod 19 and the upper electric push rod 18 are opened by operating the remote controller 12. The cross frame 11 supports the middle electric push rod 19. The middle electric push rod 19 drives the sliding frame 14 to move through the transmission rod 20. The sliding frame 14 slides inside the cross frame 11. The sliding frame 14 drives the vertical rod 16 and the clamping arm 24 to move synchronously. At this time, the clamping arm 24 is located directly above the material. Under the support of the sliding frame 14, the upper electric push rod 18 drives the vertical rod 16 to move downward. The vertical rod 16 drives the slide rail 17 to move downward along the surface of the slide seat 15. At this time, the clamping arm 24 contacts the material and is controlled by operating the remote controller. The controller 12 opens the lower electric push rod 22. Under the support of the connecting frame 21, the lower electric push rod 22 drives the three-arm block 23 to move upward. The three-arm block 23 drives the clamping arm 24 to rotate with the hinge shaft 25 as the axis. The base frame 26 supports the clamping arm 24 through the limit arm 27. With the cooperation of the clamping arm 24, the material is clamped and processed. By operating the remote controller 12 in the reverse direction to open the upper electric push rod 18 and the middle electric push rod 19, the upper electric push rod 18 drives the clamping arm 24 and the clamped material to move upward, and the middle electric push rod 19 drives the clamping arm 24 and the clamped material to move horizontally, so as to facilitate the subsequent placement of materials and processing, thereby realizing the convenient multi-position mobile material transportation of the material transportation device for construction, and facilitating the stable clamping and transportation of the material by the transportation device;

[0036] A rotating motor 28 is installed inside the rotating box 7 above the locomotive 1. The rotating motor 28 plays a role of power drive. A worm 29 is installed at the output end of the rotating motor 28. A worm gear 30 is movably installed inside the rotating box 7 on one side of the worm 29. The worm gear 30 is meshed with the worm 29. A rotating shaft 31 is installed at the top end of the worm gear 30, and the rotating shaft 31 is connected to the stand 9.

[0037] By operating the remote controller 12 to turn on the rotating motor 28, under the support of the rotating box 7, the rotating motor 28 drives the worm 29 to rotate, and the meshing action of the worm 29 and the worm wheel 30 drives the rotating shaft 31 to rotate, and the rotating shaft 31 drives the stand 9 and the clamped material to rotate synchronously, so that the material rotates in a circular manner. At this time, the clamped material is located directly above a group of receiving barrels 6. By operating the remote controller 12 to reversely open the lower electric push rod 22, the lower electric push rod 22 drives the clamping arm 24 to move in the opposite direction. Under the influence of gravity, the clamped material falls into a group of receiving barrels 6. When it is necessary to place it inside a different receiving barrel 6, the upper electric push rod 18 and the middle electric push rod 19 are opened again by operating the remote controller 12. The upper electric push rod 18 and the middle electric push rod 19 facilitate the horizontal and vertical control movement. By operating the remote controller 1 2 Open the right electric push rod 13, the vertical frame 9 movably supports the right electric push rod 13, the right electric push rod 13 drives the rotating disk 5 to rotate through the swing arm 4, the fixed seat 8 movably supports the linkage shaft 10, the rotating disk 5 drives the linkage shaft 10 to rotate synchronously, the linkage shaft 10 drives the horizontal frame 11 to rotate, the horizontal frame 11 is turned from horizontal to vertical, the horizontal frame 11 rotates the clamped material to facilitate the clamped material to be placed in the receiving barrel 6 at different positions in sequence, in the same way, it is convenient to place the material in the inside of the receiving barrel 6 in sequence, and the receiving barrel 6 stores the material, realizing the convenient multi-position flexible rotation adjustment and placement of materials for the material transport device for construction, facilitating the rapid adjustment of the angle of the transport device for batch placement of materials, increasing the range of the transport device for moving materials, and improving the convenience of the transport device for rotating and adjusting the placement of materials;

[0038] A stepper motor 32 is symmetrically installed inside the storage bucket 2 above the locomotive 1. The stepper motor 32 serves as a power drive. Threaded sleeves 33 are installed on the side walls of the multi-layer rack 3 above the stepper motor 32. The interiors of the threaded sleeves 33 are threadedly connected to threaded rods 34, and the threaded rods 34 are connected to the output ends of the stepper motors 32. A remote controller 12 is installed on the top of the locomotive 1 on the side of the rotating box 7. The output end of the remote controller 12 is electrically connected to the right electric push rod 13, the middle electric push rod 19, the upper electric push rod 18, the lower electric push rod 22, the rotating motor 28, and the input ends of the threaded sleeves 33.

[0039] When there are too many materials placed, the stepper motor 32 is turned on by operating the remote controller 12. Under the support of the storage barrel 2, the stepper motor 32 drives the threaded rod 34 to rotate. Under the threaded cooperation between the threaded rod 34 and the threaded sleeve 33, the threaded rod 34 drives the threaded sleeve 33 to move downward, and the threaded sleeve 33 drives the multi-layer rack 3 to move downward synchronously, so as to place the materials in turn into the receiving barrel 6 of each layer inside the multi-layer rack 3, and the receiving barrel 6 temporarily stores the materials, so as to facilitate the receiving barrel 6 to drive the materials into the storage barrel 2 in turn, thereby realizing the layered temporary storage of materials by the material transportation device for construction, facilitating the transportation device to transport multiple materials at a time, increasing the transportation capacity of the transportation device at one time, and improving the work efficiency of the transportation device when in use.

[0040] Working principle: When in use, an external power supply is connected, and the sliding frame 14 is driven to move through the middle electric push rod 19 via the transmission rod 20. The sliding frame 14 slides inside the cross frame 11, and the sliding frame 14 drives the vertical rod 16 and the clamping arm 24 to move synchronously. At this time, the clamping arm 24 is located directly above the material. The upper electric push rod 18 drives the vertical rod 16 to move downward, and the vertical rod 16 drives the slide rail 17 to move downward along the surface of the slide seat 15. At this time, the clamping arm 24 contacts the material, and the lower electric push rod 22 drives the three-arm block 23 to move upward. The three-arm block 23 drives the clamping arm 24 to rotate with the hinge shaft 25 as the axis, and the base frame 26 drives the clamping arm 24 through the limit arm 27. The upper electric push rod 18 and the middle electric push rod 19 are opened in reverse by operating the remote controller 12. The upper electric push rod 18 drives the clamping arm 24 and the clamped material to move upward, and the middle electric push rod 19 drives the clamping arm 24 and the clamped material to move horizontally to facilitate the subsequent placement of the material. The rotary motor 28 drives the worm 29 to rotate, and the rotating shaft 31 is driven to rotate under the meshing action of the worm 29 and the worm gear 30. The rotating shaft 31 drives the stand 9 and the clamped material to rotate synchronously to make the material rotate in a circular manner. At this time, the clamped material is located in a group of receiving barrels 6. Directly above the , the lower electric push rod 22 is opened in the reverse direction by operating the remote controller 12, and the lower electric push rod 22 drives the clamping arm 24 to move in the reverse direction. Under the influence of gravity, the clamped material falls into a group of receiving barrels 6. When it is necessary to place the material inside a different receiving barrel 6, the upper electric push rod 18 and the middle electric push rod 19 are opened again by operating the remote controller 12. The upper electric push rod 18 and the middle electric push rod 19 facilitate the horizontal and vertical control movement. The right electric push rod 13 drives the rotating disk 5 to rotate through the swing arm 4, and the rotating disk 5 drives the linkage shaft 10 to rotate synchronously. The linkage shaft 10 drives the horizontal frame 11 to rotate, and the horizontal frame 11 is turned from horizontal to vertical. State, the horizontal frame 11 rotates the clamped material to facilitate the placement of the clamped material into the receiving barrel 6 at different positions in sequence. In the same way, the material is placed in the interior of the receiving barrel 6 in sequence, and the receiving barrel 6 stores the material. The stepper motor 32 drives the threaded rod 34 to rotate, and the threaded rod 34 drives the threaded sleeve 33 to move downward, and the threaded sleeve 33 drives the multi-layer rack 3 to move downward synchronously to place the material in sequence into the receiving barrel 6 of each layer inside the multi-layer rack 3, and the receiving barrel 6 temporarily stores the material, so that the receiving barrel 6 drives the material to enter the interior of the storage barrel 2 in sequence to complete the use of the material transportation device.

[0041] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A material transport device for construction, comprising a locomotive and a storage bucket, characterized in that: A storage bucket is installed at the center position of the top of the locomotive, and a multi-layer rack is slidably installed inside the storage bucket, and the multi-layer rack extends to the outside of the storage bucket, and a plurality of groups of material receiving barrels with equal intervals are installed inside the multi-layer rack. A rotating box is installed on the top of the locomotive on one side of the storage bucket, and a vertical frame is movably installed on the top of the rotating box, and a fixed seat is installed on the top of the vertical frame. A linkage shaft is movably installed inside the fixed seat, and a cross frame is installed on the outer wall of the linkage shaft. A sliding sleeve frame is slidably installed inside the cross frame, and a slide seat is installed inside the sliding sleeve frame. A vertical pole is slidably installed inside the sliding sleeve frame on one side of the slide seat, and a slide rail is installed on the side wall of the vertical pole, and the slide rail is slidably connected to the slide seat, and a connecting frame is installed at the bottom end of the vertical pole below the slide.

2. A material transport device for construction according to claim 1, characterized in that: A middle electric push rod is installed at the top of the horizontal frame on one side of the sliding sleeve frame, a transmission rod is installed at the output end of the middle electric push rod, and the transmission rod is connected to the sliding sleeve frame, an upper electric push rod is installed at the top of the sliding sleeve frame on one side of the vertical pole, and the output end of the upper electric push rod is connected to the vertical pole.

3. A material transport device for construction according to claim 1, characterized in that: A lower electric push rod is installed inside the connecting frame, and a three-arm block is installed at the output end of the lower electric push rod, and the three-arm blocks all extend to the outside of the connecting frame, and the three-arm block is slidably connected to the connecting frame, and three groups of clamping arms with equal intervals are movably installed on the outer wall of the three-arm block, and hinge shafts are movably installed on the side walls of the clamping arms, and the clamping arms are movably connected to the three-arm block through the hinge shafts.

4. A material transport device for construction according to claim 3, characterized in that: A base frame is installed at the bottom end of the connecting frame below the three-arm block, and a limiting arm is installed on the outer wall of the base frame on one side of the clamping arm, and the limiting arm is movably connected to the clamping arm.

5. The material transport device for construction according to claim 1, characterized in that: A rotating disk is mounted on the outer wall of the linkage shaft on one side of the fixed seat, a swing arm is installed at the bottom end of the rotating disk, a right electric push rod is movably installed on the side wall of the stand below the swing arm, and the output end of the right electric push rod is connected to the swing arm.

6. The material transport device for construction according to claim 1, characterized in that: A rotating motor is installed inside the rotating box above the locomotive, a worm is installed at the output end of the rotating motor, a worm wheel is movably installed inside the rotating box on one side of the worm, and the worm wheel is meshed with the worm.

7. A material transport device for construction according to claim 6, characterized in that: A rotating shaft is installed on the top end of the worm gear, and the rotating shaft is connected to the stand.

8. The material transport device for construction according to claim 1, characterized in that: A stepper motor is symmetrically installed inside the storage barrel above the locomotive, and threaded sleeves are installed on the side walls of the multi-layer frame above the stepper motor.

9. The material transport device for construction according to claim 8, characterized in that: The interiors of the threaded sleeves are all threadedly connected with threaded rods, and the threaded rods are all connected to the output ends of the stepping motors.

10. The material transport device for construction according to claim 1, characterized in that: A remote controller is installed on the top of the locomotive on one side of the rotating box, and the output end of the remote controller is electrically connected to the input ends of the right electric push rod, the middle electric push rod, the upper electric push rod, the lower electric push rod, the rotating motor, and the threaded sleeve.

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