Construction site cargo carrying device and method

Abstract

The invention relates to the technical field of building carrying machinery, and discloses a construction site goods carrying device and method.The construction site goods carrying device comprises a base, and universal wheels are fixedly installed at the four corners of the bottom of the base; a buffering mechanism is arranged between the bearing plate and the base; the fixing mechanism comprises a clamping plate and a lead screw, the bottom of the clamping plate is fixedly connected with a sliding seat, and the sliding seat is rotationally connected to the top of the base bearing plate; and the adjusting mechanism comprises a fixing frame and two handles, and the fixing frame is fixedly installed at the top of the bearing plate. The device is reasonable in design, goods can be fixed through cooperation of a lead screw, a sliding base, a fixing frame and a clamping plate through the arranged fixing mechanism, the goods are prevented from falling off in the carrying process, the stability of the carrying process is guaranteed, the height of a handle can be conveniently adjusted through an arranged adjusting mechanism, and the practicability is high. Therefore, people with different heights can use the chair.

Description

Technical Field

[0001] The present invention relates to the technical field of construction handling machinery, and in particular to a construction site cargo handling device and method. Background Art

[0002] A commonly used construction site cargo handling device currently lacks a fixing structure for the cargo during the handling process, which makes the cargo easy to fall, and the handle height of the general handling device is not convenient to adjust, making it inconvenient for people of different body shapes to operate; therefore, we propose a construction site cargo handling device and method to solve this problem. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings of common cargo handling devices, such as lack of fixed structure and inconvenient adjustment, and to propose a construction site cargo handling device and method.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A construction site cargo handling device, comprising:

[0006] A base, wherein universal wheels are fixedly mounted at the four bottom corners of the base;

[0007] A load-bearing plate, wherein a buffer mechanism is provided between the load-bearing plate and the base;

[0008] A fixing mechanism, the fixing mechanism comprises a clamping plate and a screw rod, the bottom of the clamping plate is fixedly connected with a sliding seat, the sliding seat is rotatably connected to the top of the base bearing plate, and the screw rod is rotatably connected to the inside of the bearing plate, the sliding seat is threadedly sleeved on the outside of the screw rod, and one end of the screw rod is provided with a locking mechanism;

[0009] The adjustment mechanism includes a fixed frame and two handles, the fixed frame is fixedly installed on the top of the supporting plate, the bottom ends of the two handles are fixedly connected to the same adjustment plate, the adjustment plate is slidably connected in the fixed frame, and an adjustment screw is rotatably installed in the fixed frame, and the adjustment plate is threadedly sleeved on the outside of the adjustment screw.

[0010] Preferably, the locking mechanism includes a turntable and a card plate, the turntable is fixedly connected to one end of the screw rod, and a plurality of card slots are provided on the outer side of the screw rod, the card plate is movably connected in the corresponding card slots, and a notch is provided on the top of the card plate, and a knob is fixedly connected to one side of the turntable, a pull ring is fixedly connected to one side of the card plate, and a connecting spring is fixedly connected to the other side of the card plate, a square groove is provided on one side of the supporting plate, the card plate is slidably connected in the square groove, and the other end of the connecting spring is fixedly connected to the side wall of the square groove.

[0011] Preferably, the buffer mechanism includes a damper, a buffer spring, a connecting plate and a buffer plate, the top of the connecting plate is hinged to the bottom of the supporting plate, and the bottom of the connecting plate is hinged to one side of the buffer plate, one end of the buffer spring is fixedly connected to the other side of the buffer plate, a buffer groove is provided at the top of the base, the buffer plate is slidably connected in the buffer groove, and the other end of the buffer spring is fixedly connected to the side wall of the buffer groove, and the top end of the damper is fixedly connected to the supporting plate, and the bottom end of the damper is fixedly connected to the base.

[0012] Preferably, guide plates are fixedly connected to both sides of the bottom of the carrier plate, guide grooves are provided on both sides of the top of the base, and the two guide plates are slidably connected in the corresponding guide grooves respectively.

[0013] Preferably, a sliding groove is provided on one side of the top of the supporting plate, the sliding seat is slidably connected in the sliding groove, and limiting grooves are provided on the front and rear inner walls of the sliding groove, and limiting strips are integrally formed on the front and rear sides of the sliding seat, and the limiting strips are slidably connected in the corresponding limiting grooves.

[0014] Preferably, a guide rod is fixedly connected to the side wall of the buffer groove, and the buffer plate is slidably sleeved on the outer side of the corresponding guide rod.

[0015] Preferably, a vertical rod is fixedly connected inside the fixing frame, the adjusting plate is slidably sleeved on the outer side of the vertical rod, and a handle is fixedly connected to the top end of the adjusting screw.

[0016] Preferably, a plurality of anti-slip grooves are provided on one side of the clamping plate, and two enclosure plates are integrally formed on one side of the clamping plate, a plurality of support springs are fixedly connected to the top of the base, and the top ends of the support springs are fixedly connected to the bottom of the supporting plate.

[0017] The present invention also provides a method for transporting cargo on a construction site, comprising the following steps:

[0018] S1. Loading: Place the construction site goods on the load-bearing plate with its left side against the fixed frame;

[0019] S2. Clamping: Pull the pull ring to drive the card plate to move horizontally, so that the notch is aligned with the turntable, and the lock of the turntable is released. Then, the rotary knob is rotated to drive the turntable and the screw rod to rotate. The screw rod drives the sliding seat and the clamping plate to move leftward through the threaded transmission with the sliding seat, so that the clamping plate abuts against the right side of the goods to achieve the clamping of the goods. Then, release the pull ring, so that the card plate is reset under the action of the connecting spring to lock the turntable, thereby improving the fixing effect of the goods;

[0020] S3, adjustment: the rotating handle drives the adjusting screw to rotate, the adjusting screw drives the adjusting plate to move up and down through the thread transmission with the adjusting plate and under the guidance of the vertical rod, the adjusting plate drives the two handles to move up and down, so as to adjust the height of the two handles;

[0021] S4. Transportation: Hold the two handles and push the load-bearing plate to move, so that the universal wheels roll on the ground to transport the goods on the construction site;

[0022] S5. Unloading: After transporting to the designated location, pull the pull ring to move the pallet, unlock the turntable, then rotate the knob to drive the screw to rotate, and drive the clamping plate to move in the opposite direction, release the fixation of the goods, and then unload the goods from the load-bearing plate.

[0023] Compared with the prior art, the present invention provides a construction site cargo handling device and method, which has the following beneficial effects:

[0024] (1) The fixing mechanism can realize the fixing of the goods by the cooperation between the screw rod and the sliding seat, the fixing frame and the clamping plate, so as to prevent the goods from falling during the transportation process and ensure the stability of the transportation process;

[0025] (2) The locking mechanism can lock the screw rod through the cooperation between the clamping plate and the turntable, thereby locking the clamping plate to prevent it from loosening and further ensure the stability of the goods;

[0026] (3) The buffer mechanism can achieve buffering of the load-bearing plate under the cooperation of the damper, the connecting plate, the buffer plate, the buffer spring and the support spring, thereby providing buffering protection for the cargo during the cargo handling process to prevent it from being damaged by collision;

[0027] (4) The height of the handle can be easily adjusted through the provided adjustment mechanism to meet the needs of people of different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the three-dimensional structure of a construction site cargo handling device proposed by the present invention;

[0029] Figure 2 This is a schematic diagram of the three-dimensional structure of a construction site cargo handling device proposed by the present invention from another perspective;

[0030] Figure 3 This is a cross-sectional structural schematic diagram of a construction site cargo handling device proposed by the present invention;

[0031] Figure 4 This is a partial three-dimensional structural schematic diagram of a construction site cargo handling device proposed by the present invention;

[0032] Figure 5 for Figure 3 A partial enlarged view of part A;

[0033] Figure 6 for Figure 3 A partial enlarged view of part B;

[0034] Figure 7 This is a schematic diagram of the three-dimensional structure of the turntable and the clamping plate proposed in the present invention.

[0035] In the figure: 1. base; 2. load-bearing plate; 3. universal wheel; 4. clamping plate; 5. fixing frame; 6. handle; 7. handle; 8. adjusting screw; 9. vertical rod; 10. adjusting plate; 11. screw rod; 12. knob; 13. turntable; 14. clamping plate; 15. pull ring; 16. support spring; 17. connecting plate; 18. buffer plate; 19. buffer spring; 20. guide plate; 21. connecting spring; 22. sliding seat; 23. damper; 24. guide rod. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] Reference Figure 1-7 , a construction site cargo handling device, comprising:

[0039] A base 1, wherein universal wheels 3 are fixedly mounted at the four corners of the bottom of the base 1;

[0040] A load-bearing plate 2, wherein a buffer mechanism is provided between the load-bearing plate 2 and the base 1;

[0041] The fixing mechanism includes a clamping plate 4 and a screw rod 11. The bottom of the clamping plate is fixedly connected with a sliding seat 22. The sliding seat 22 is rotatably connected to the top of the base 1 bearing plate 2, and the screw rod 11 is rotatably connected to the inside of the bearing plate 2. The sliding seat 22 is threadedly sleeved on the outside of the screw rod 11, and a locking mechanism is provided at one end of the screw rod 11.

[0042] The adjusting mechanism includes a fixed frame 5 and two handles 7. The fixed frame 5 is fixedly installed on the top of the supporting plate 2. The bottom ends of the two handles 7 are fixedly connected with the same adjusting plate 10. The adjusting plate 10 is slidably connected in the fixed frame 5, and an adjusting screw 8 is rotatably installed in the fixed frame 5. The adjusting plate 10 is threadedly sleeved on the outer side of the adjusting screw 8.

[0043] In this embodiment, the locking mechanism includes a turntable 13 and a card plate 14. The turntable 13 is fixedly connected to one end of the screw rod 11, and a plurality of card slots are provided on the outer side of the screw rod 11. The card plate 14 is movably connected in the corresponding card slots, and a notch is provided on the top of the card plate 14. A knob 12 is fixedly connected to one side of the turntable 13, a pull ring 15 is fixedly connected to one side of the card plate 14, and a connecting spring 21 is fixedly connected to the other side of the card plate 14. A square groove is provided on one side of the supporting plate 2, the card plate 14 is slidably connected in the square groove, and the other end of the connecting spring 21 is fixedly connected to the side wall of the square groove.

[0044] In this embodiment, the buffer mechanism includes a damper 23, a buffer spring 19, a connecting plate 17 and a buffer plate 18. The top of the connecting plate 17 is hinged to the bottom of the supporting plate 2, and the bottom of the connecting plate 17 is hinged to one side of the buffer plate 18. One end of the buffer spring 19 is fixedly connected to the other side of the buffer plate 18. A buffer groove is provided at the top of the base 1. The buffer plate 18 is slidably connected in the buffer groove, and the other end of the buffer spring 19 is fixedly connected to the side wall of the buffer groove. The top of the damper 23 is fixedly connected to the supporting plate 2, and the bottom end of the damper 23 is fixedly connected to the base 1.

[0045] In this embodiment, guide plates 20 are fixedly connected to both sides of the bottom of the carrier plate 2, and guide grooves are opened on both sides of the top of the base 1. The two guide plates 20 are slidably connected in the corresponding guide grooves respectively.

[0046] In this embodiment, a sliding groove is opened on one side of the top of the supporting plate 2, and the sliding seat 22 is slidably connected in the sliding groove, and limiting grooves are opened on the front and rear inner walls of the sliding groove. The front and rear sides of the sliding seat 22 are integrally formed with limiting strips, and the limiting strips are slidably connected in the corresponding limiting grooves.

[0047] In this embodiment, a guide rod 24 is fixedly connected to the side wall of the buffer groove, and the buffer plate 18 is slidably sleeved on the outer side of the corresponding guide rod 24 .

[0048] In this embodiment, a vertical rod 9 is fixedly connected inside the fixing frame 5 , an adjusting plate 10 is slidably sleeved on the outside of the vertical rod 9 , and a handle 6 is fixedly connected to the top end of the adjusting screw rod 8 .

[0049] In this embodiment, one side of the clamping plate 4 is provided with multiple anti-slip grooves, and one side of the clamping plate 4 is integrally formed with two enclosure plates. The top of the base 1 is fixedly connected with multiple support springs 16, and the top of the support spring 16 is fixedly connected to the bottom of the supporting plate 2.

[0050] The present invention also provides a method for transporting cargo on a construction site, comprising the following steps:

[0051] S1, loading: placing the construction site goods on the load-bearing plate 2, with its left side against the fixed frame 5;

[0052] S2, clamping: pull the pull ring 15 to drive the clamping plate 14 to move horizontally, so that the notch is aligned with the turntable 13, and the lock of the turntable 13 is released. Then, the rotating knob 12 is rotated to drive the turntable 13 and the screw rod 11 to rotate. The screw rod 11 drives the sliding seat 22 and the clamping plate 4 to move leftward through the threaded transmission with the sliding seat 22, so that the clamping plate 4 abuts against the right side of the goods to achieve the clamping of the goods. Then, release the pull ring 15, so that the clamping plate 14 is reset under the action of the connecting spring 21 to lock the turntable 13, thereby improving the fixing effect of the goods.

[0053] S3, adjustment: the rotating handle 6 drives the adjusting screw 8 to rotate, the adjusting screw 8 drives the adjusting plate 10 to move up and down under the guidance of the vertical rod 9 through the thread transmission with the adjusting plate 10, and the adjusting plate 10 drives the two handles 7 to move up and down, so as to adjust the height of the two handles 7;

[0054] S4, transport: hold the two handles 7 and push the carrying plate 2 to move, so that the universal wheels 3 roll on the ground to transport the goods on the construction site;

[0055] S5, unloading: after transporting to the designated position, pull the pull ring 15 to drive the clamping plate 14 to move, unlock the turntable 13, then rotate the knob 12 to drive the screw rod 11 to rotate, and drive the clamping plate 4 to move in the opposite direction, release the fixation of the goods, and then unload the goods from the carrying plate 2.

[0056] The locking mechanism 14 is then unlocked and the locking mechanism 15 is released. The handle 6 drives the adjusting screw 8 to rotate, and the adjusting screw 8 drives the adjusting plate 10 up and down through the threaded transmission with the adjusting plate 10 and under the guidance of the vertical rod 9, the adjusting plate 10 drives the two handles 7 to move up and down, so as to adjust the height of the two handles 7, and then the two handles 7 are held by hand to push the carrying plate 2 to move, so that the universal wheel 3 rolls on the ground, and the goods on the construction site are transported. After transporting to the designated position, the pull ring 15 is pulled to drive the card plate 14 to move, and the lock of the turntable 13 is released. Then the knob 12 is rotated to drive the screw rod 11 to rotate, and drive the clamping plate 4 to move in the opposite direction, release the fixation of the goods, and then unload the goods from the carrying plate 2.

[0057] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

Claims

1. A construction site cargo handling device, characterized in that: include: A base (1), wherein universal wheels (3) are fixedly mounted at four corners of the bottom of the base (1); A bearing plate (2), wherein a buffer mechanism is provided between the bearing plate (2) and the base (1); A fixing mechanism, the fixing mechanism comprising a clamping plate (4) and a screw rod (11), the bottom of the clamping plate being fixedly connected to a sliding seat (22), the sliding seat (22) being rotatably connected to the top of the bearing plate (2) of the base (1), and the screw rod (11) being rotatably connected to the inside of the bearing plate (2), the sliding seat (22) being threadedly sleeved on the outside of the screw rod (11), and one end of the screw rod (11) being provided with a locking mechanism; The adjusting mechanism comprises a fixed frame (5) and two handles (7), wherein the fixed frame (5) is fixedly mounted on the top of the supporting plate (2), the bottom ends of the two handles (7) are fixedly connected to the same adjusting plate (10), the adjusting plate (10) is slidably connected in the fixed frame (5), and an adjusting screw (8) is rotatably mounted in the fixed frame (5), and the adjusting plate (10) is threadedly sleeved on the outer side of the adjusting screw (8).

2. A construction site cargo handling device according to claim 1, characterized in that: The locking mechanism comprises a rotating disk (13) and a clamping plate (14); the rotating disk (13) is fixedly connected to one end of the screw rod (11), and a plurality of clamping grooves are provided on the outer side of the screw rod (11); the clamping plate (14) is movably clamped in the corresponding clamping grooves, and a notch is provided on the top of the clamping plate (14); a knob (12) is fixedly connected to one side of the rotating disk (13), a pull ring (15) is fixedly connected to one side of the clamping plate (14), and a connecting spring (21) is fixedly connected to the other side of the clamping plate (14); a square groove is provided on one side of the bearing plate (2), the clamping plate (14) is slidably connected in the square groove, and the other end of the connecting spring (21) is fixedly connected to the side wall of the square groove.

3. A construction site cargo handling device according to claim 1, characterized in that: The buffer mechanism comprises a damper (23), a buffer spring (19), a connecting plate (17) and a buffer plate (18); the top of the connecting plate (17) is hinged to the bottom of the bearing plate (2), and the bottom of the connecting plate (17) is hinged to one side of the buffer plate (18); one end of the buffer spring (19) is fixedly connected to the other side of the buffer plate (18); a buffer groove is provided at the top of the base (1); the buffer plate (18) is slidably connected in the buffer groove; the other end of the buffer spring (19) is fixedly connected to the side wall of the buffer groove; the top of the damper (23) is fixedly connected to the bearing plate (2), and the bottom of the damper (23) is fixedly connected to the base (1).

4. A construction site cargo handling device according to claim 1, characterized in that: Guide plates (20) are fixedly connected to both sides of the bottom of the carrier plate (2), and guide grooves are provided on both sides of the top of the base (1), and the two guide plates (20) are respectively slidably connected in the corresponding guide grooves.

5. A construction site cargo handling device according to claim 1, characterized in that: A slide groove is provided on one side of the top of the supporting plate (2), the slide seat (22) is slidably connected in the slide groove, and limiting grooves are provided on the front and rear inner walls of the slide groove, and limiting strips are integrally formed on the front and rear sides of the slide seat (22), and the limiting strips are slidably connected in the corresponding limiting grooves.

6. A construction site cargo handling device according to claim 3, characterized in that: A guide rod (24) is fixedly connected to the side wall of the buffer groove, and the buffer plate (18) is slidably sleeved on the outer side of the corresponding guide rod (24).

7. A construction site cargo handling device according to claim 1, characterized in that: A vertical rod (9) is fixedly connected inside the fixed frame (5), the adjustment plate (10) is slidably sleeved on the outside of the vertical rod (9), and a handle (6) is fixedly connected to the top end of the adjustment screw rod (8).

8. A construction site cargo handling device according to claim 1, characterized in that: A plurality of anti-slip grooves are provided on one side of the clamping plate (4), and two enclosure plates are integrally formed on one side of the clamping plate (4); a plurality of support springs (16) are fixedly connected to the top of the base (1), and the top ends of the support springs (16) are fixedly connected to the bottom of the bearing plate (2).

9. A method for transporting cargo on a construction site, characterized in that: The following steps are involved: S1, loading: placing the construction site cargo on the load-bearing plate (2) with its left side against the fixed frame (5); S2, clamping: pulling the pull ring (15) drives the clamping plate (14) to move horizontally, so that the notch is aligned with the turntable (13), and the lock of the turntable (13) is released, and then the rotating knob (12) is rotated to drive the turntable (13) and the screw rod (11) to rotate, and the screw rod (11) drives the sliding seat (22) and the clamping plate (4) to move leftward through the threaded transmission with the sliding seat (22), so that the clamping plate (4) abuts against the right side of the goods, and the goods are clamped, and then the pull ring (15) is released, so that the clamping plate (14) is reset under the action of the connecting spring (21) to lock the turntable (13), thereby improving the fixing effect of the goods; S3, adjustment: the handle (6) is rotated to drive the adjusting screw (8) to rotate, the adjusting screw (8) drives the adjusting plate (10) to move up and down under the guidance of the vertical rod (9) through the thread transmission, and the adjusting plate (10) drives the two handles (7) to move up and down, so as to adjust the height of the two handles (7); S4, transporting: holding the two handles (7) and pushing the carrying plate (2) to move, so that the universal wheels (3) roll on the ground, and the goods on the construction site can be transported; S5, unloading: after transporting to the designated position, pull the pull ring (15) to drive the clamping plate (14) to move, unlock the turntable (13), then rotate the knob (12) to drive the screw rod (11) to rotate, and drive the clamping plate (4) to move in the opposite direction, release the fixation of the goods, and then unload the goods from the carrying plate (2).

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