Uniform stone laying tool

Abstract

The utility model relates to the technical field of stone laying, in particular to a uniform stone laying tool which is characterized in that a stone pushing plate is connected with a back plate through a connecting plate, a telescopic plate is arranged between the stone pushing plate and the back plate, a worm is rotationally arranged at the central axis position of the stone pushing plate, and a rotating disc is fixed to the end face of the worm and rotationally connected to the back plate. Through grooves are formed in the two sides of the back plate, ball grooves are formed in the upper inner wall and the lower inner wall of each through groove, a bottom column is installed at the bottom of the telescopic plate, a guide column is inserted into the bottom of the bottom column, and wheels are arranged at the bottom of the guide column. The thread rotation directions of the first external thread and the second external thread are opposite; the uniform stone laying tool has the advantages that workers can conveniently push and use the uniform stone laying tool, the uniformity of stone laying is achieved, and the efficiency of stone laying is improved.

Description

Technical Field

[0001] The utility model relates to the field of stone paving, in particular to a tool for evenly paving stones. Background Art

[0002] Pavement refers to a layered structure paved on the roadbed with various road construction materials that directly bears vehicle loads. A good quality pavement should have sufficient strength and good stability, and its surface should be flat, dense and anti-slip. The pavement structure consists of a surface layer, a base layer and a cushion layer.

[0003] In the prior art, when a large area of ​​road surface needs to be filled with stones, manual filling and paving in different areas is often adopted, which has a low paving efficiency. When mechanical equipment such as bulldozers are used for filling and paving, the paving thickness is difficult to control.

[0004] Therefore, the present invention proposes a tool for evenly paving stones to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the present invention is to provide a tool for evenly paving stones to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solution: a tool for evenly paving stone materials, comprising: a stone pushing plate connected to a back plate via a connecting plate, a telescopic plate provided between the stone pushing plate and the back plate, a worm rotatably provided on the central axis of the stone pushing plate, a turntable fixed to the end face of the worm, the turntable rotatably connected to the back plate, through grooves provided on both sides of the back plate, and ball bearing grooves provided on the upper and lower inner walls of the through grooves;

[0007] The telescopic plate has a bottom column installed at the bottom of the telescopic plate, a guide column is plugged into the bottom of the bottom column, and a wheel is provided at the bottom of the guide column;

[0008] A rotating shaft is provided with a worm gear in the middle of the rotating shaft, and two ends of the rotating shaft are respectively provided with a first external thread and a second external thread, and the thread rotation directions of the first external thread and the second external thread are opposite.

[0009] Preferably, the connecting plates are provided with two groups, the two groups of connecting plates are symmetrically distributed about the worm, the rotating shaft is connected to the two groups of connecting plates through bearings, the worm wheel is located directly below the worm, and the worm and the worm wheel are adapted to each other.

[0010] Preferably, guide rods are fixed on the surface of the connecting plate, and four groups of guide rods are provided. The four groups of guide rods are evenly distributed around the rotating shaft. Guide holes are opened on the surface of the telescopic plate, and the outer wall of the guide rod and the inner wall of the guide hole are slidably connected.

[0011] Preferably, the telescopic plates are provided with two groups, and the two groups of telescopic plates are symmetrically distributed about the worm. An inner hole is opened on the surface of the telescopic plates. One end of the rotating shaft is located in the inner hole of one group of telescopic plates and is threadedly connected, and the other end of the rotating shaft is located in the inner hole of the other group of telescopic plates and is threadedly connected. The telescopic plates and the stone pushing plates are in contact with each other and are slidably connected.

[0012] Preferably, a slider is provided on the surface of the telescopic plate. The slider is plate-shaped and distributed on one side close to the inner hole. There are two groups of sliders, and the two groups of sliders are symmetrically distributed about the central axis of the telescopic plate. Movable balls are provided on the upper and lower sides of the slider. The slider is located in the through groove, and the movable balls are embedded in the ball groove and roll.

[0013] Preferably, a rotating rod is fixed on the surface of the turntable, and there are four groups of rotating rods, which are evenly distributed on the surface of the turntable. A rubber ring is laid on the surface of the rotating rod, and there are several rubber rings, which are evenly distributed linearly on the surface of the rotating rod. Push rods are fixed on both sides of the back plate, and the ends of the push rods are inclined at 60 degrees. A support frame is fixed to the bottom of the push rods.

[0014] Preferably, the top of the base column is installed below the telescopic plate by bolts, the base column is close to the outer end of the telescopic plate, an inner groove is provided on the inner wall of the base column, an outer block is provided on the outer wall of the guide column, and the outer block and the inner groove are slidably connected.

[0015] Preferably, a plurality of equally spaced first lock holes are provided on the surface of the base column, a second lock hole is provided on the surface of the guide column, the second lock hole is close to the top end of the guide column, and stud bolts are provided in the first lock hole and the second lock hole.

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

[0017] The utility model proposes a tool for evenly paving stones. The actual pushing area of ​​the stone pushing plate can be adjusted by means of the worm gear, worm, turntable and telescopic plate, and the tool can adapt to the paving of stones of different volumes. The bottom of the telescopic plate is provided with wheels, which can reduce the working resistance of the stone pushing plate and improve the working efficiency. The overall height of the telescopic plate and the stone pushing plate can be adjusted by means of the bottom column and guide column, so as to control the thickness of the stone paving and ensure the uniformity of the stone paving. A push rod is installed on the back plate for manual hand-held use, and a support frame is provided under the push rod, which can cooperate with the wheel to realize the parking of the device, thus avoiding the problem that in the prior art, when a large area of ​​stone filling is required on the road surface, manual filling and paving in different areas are often adopted, and the paving efficiency is low. When mechanical equipment such as bulldozers are used for filling and paving, the paving thickness is difficult to control. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 for Figure 1 A magnified view of the structure at center A;

[0020] Figure 3 This is a top view of the structure of the utility model;

[0021] Figure 4 This is a side view of the structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the guide rod structure of the utility model;

[0023] Figure 6 This is a schematic diagram of the shaft structure of the utility model;

[0024] Figure 7 This is a schematic diagram of the telescopic plate structure of the utility model;

[0025] Figure 8 This is a schematic diagram of the bottom column structure of the utility model.

[0026] In the figure: 1. telescopic plate; 2. back plate; 3. wheel; 4. push rod; 5. support frame; 6. rotating rod; 7. turntable; 8. connecting plate; 9. worm; 10. pushing stone plate; 11. ball groove; 12. slider; 13. bottom column; 14. rubber ring; 15. guide rod; 16. rotating shaft; 17. first external thread; 18. second external thread; 19. worm gear; 20. stud bolt; 21. movable ball; 22. guide hole; 23. inner hole; 24. first locking hole; 25. inner groove; 26. outer block; 27. guide column. DETAILED DESCRIPTION

[0027] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example 1: Please refer to Figures 1-8The utility model provides a technical solution: a tool for evenly paving stones, the tool comprising: a stone pushing plate 10, the stone pushing plate 10 is connected to the back plate 2 by a connecting plate 8, a telescopic plate 1 is provided between the stone pushing plate 10 and the back plate 2, a worm 9 is rotatably provided on the central axis position of the stone pushing plate 10, a turntable 7 is fixed to the end face of the worm 9, the turntable 7 is rotatably connected to the back plate 2, through grooves 28 are provided on both sides of the back plate 2, ball grooves 11 are provided on the upper and lower inner walls of the through groove 28, a bottom column 13 is installed at the bottom of the telescopic plate 1, a guide column 27 is inserted at the bottom of the bottom column 13, a wheel 3 is provided at the bottom of the guide column 27, a worm gear 19 is provided at the middle of the rotating shaft 16, and a first external thread 17 and a second external thread 18 are provided at both ends of the rotating shaft 16, and the thread rotation directions of the first external thread 17 and the second external thread 18 are opposite;

[0029] The connecting plate 8 is provided with two groups, and the two groups of connecting plates 8 are symmetrically distributed about the worm 9. The rotating shaft 16 is connected to the two groups of connecting plates 8 through bearings. The worm gear 19 is located just below the worm gear 9, and the worm gear 19 is adapted to the worm gear 19. The telescopic plate 1 is provided with two groups, and the two groups of telescopic plates 1 are symmetrically distributed about the worm 9. The surface of the telescopic plate 1 is provided with an inner hole 23. One end of the rotating shaft 16 is located in the inner hole 23 of one group of telescopic plates 1 and is threadedly connected. The other end of the rotating shaft 16 is located in the inner hole 23 of the other group of telescopic plates 1 and is threadedly connected. The surface of the turntable 7 is fixed with a rotating rod 6. The rotating rod 6 is provided with four groups, and the four groups of rotating rods 6 are equidistantly distributed on the surface of the turntable 7. The surface of the rotating rod 6 is paved with a rubber ring 14, and the rubber ring 14 is provided with several, and the several rubber rings 14 are equidistantly linearly distributed on the surface of the rotating rod 6. Push rods 4 are fixed on both sides of the back plate 2. The end of the push rod 4 is inclined at 60 degrees, and a support frame 5 is fixed to the bottom of the push rod 4;

[0030] When in use, when it is necessary to adjust the effective area of ​​the stone pushing plate 10 to push the stone, the staff needs to manually rotate the rotating rod 6, thereby driving the worm 9 to rotate, thereby driving the worm gear 19 below the worm 9 to rotate, and the worm gear 19 is arranged on the rotating shaft 16, and the rotating shaft 16 is connected to the connecting plate 8 through a bearing, so that the rotating shaft 16 rotates stably. A first external thread 17 and a second external thread 18 are respectively provided at both ends of the rotating shaft 16, and the rotation directions of the two threads are opposite, and they are screwed with the left and right groups of telescopic plates 1 respectively, so that the two groups of telescopic plates 1 move in opposite directions. When the two groups of telescopic plates 1 approach the connecting plate 8, the effective area of ​​the stone pushing plate 10 is reduced. When the two groups of telescopic plates 1 move in the direction away from the connecting plate 8, the effective area of ​​the stone pushing plate 10 is increased. The rubber ring 14 laid on the rotating rod 6 can provide a buffer to improve the stability when the rotating rod 6 is rotated, combined with Figure 4 As shown, the end of the push rod 4 is tilted, which is convenient for construction workers to hold and apply force. At the same time, by lowering the push rod 4, the support frame 5 contacts the ground, which can cooperate with the wheel 3 to achieve parking.

[0031] Embodiment 2: On the basis of embodiment 1, a guide rod 15 is fixed to the surface of the connecting plate 8, and four groups of guide rods 15 are provided. The four groups of guide rods 15 are evenly distributed around the rotating shaft 16. A guide hole 22 is opened on the surface of the telescopic plate 1. The outer wall of the guide rod 15 and the inner wall of the guide hole 22 are slidably connected. A slider 12 is provided on the surface of the telescopic plate 1. The slider 12 is plate-shaped and is distributed on one side close to the inner hole 23. There are two groups of sliders 12, and the two groups of sliders 12 are symmetrically distributed about the central axis of the telescopic plate 1. Active balls 21 are provided on the upper and lower sides of the slider 12. The slider 12 is located in the through groove 28, and the active balls 21 are embedded in the ball groove 11 and roll.

[0032] During use, when the position of the telescopic plate 1 is adjusted, the guide rod 15 will continue to slide in the guide hole 22. At the same time, the slider 12 will be in the through groove 28, and the movable ball 21 will be embedded in the ball groove 11 while rolling continuously, thereby providing guidance and support for the movement of the telescopic plate 1, improving the stability and continuity of the movement of the telescopic plate 1, and avoiding jamming. The end length of the through groove 28 is shorter than the end length of the pushing stone plate 10. When the telescopic plate 1 is extended to the maximum value, the slider 12 can abut against the inner wall of the through groove 28 to prevent the telescopic plate 1 from falling off.

[0033] Example 3: On the basis of Example 2, the top of the bottom column 13 is installed below the telescopic plate 1 by bolts. The bottom column 13 is close to the outer end of the telescopic plate 1. An inner groove 25 is provided on the inner wall of the bottom column 13. An outer block 26 is provided on the outer wall of the guide column 27. The outer block 26 and the inner groove 25 are slidably connected. A plurality of equally spaced first lock holes 24 are provided on the surface of the bottom column 13. A second lock hole 29 is provided on the surface of the guide column 27. The second lock hole 29 is close to the top of the guide column 27. Stud bolts 20 are provided in the first lock hole 24 and the second lock hole 29.

[0034] When in use, the bottom of the two sets of telescopic plates 1 are both provided with wheels 3. The operator can move the device body by holding the push rod 4 and lifting it, which can effectively reduce the resistance of the stone pushing plate 10 when working. At the same time, when it is necessary to adjust the overall height of the stone pushing plate 10, first remove the stud bolts 20, lift the telescopic plate 1 so that the guide column 27 can move in the bottom column 13, adjust the position of the first lock hole 24 corresponding to the second lock hole 29, select the appropriate first lock hole 24, and then install the stud bolts in the first lock hole 24 and the second lock hole 29. Bolt 20, thereby realizing the adjustment of the overall height of the push stone slab 10, thereby being able to control the thickness of the stone paving and ensure the uniformity of the stone paving. When the guide column 27 moves in the bottom column 13, the outer block 26 provided will synchronously slide in the inner groove 25, on the one hand, which can improve the fluidity of the movement of the guide column 27. At the same time, there are two groups of outer blocks 26, and the two groups of outer blocks 26 are respectively located on both sides of the guide column 27, which can prevent the guide column 27 from rotating, so that the first lock hole 24 and the second lock hole 29 can correspond in time, which is convenient for the installation of the stud bolt 20.

[0035] In actual use, the actual pushing area of ​​the stone pushing plate 10 can be adjusted by the worm gear 19, worm 9, turntable 7 and telescopic plate 1, which can adapt to the paving of stones of different volumes. The bottom of the telescopic plate 1 is provided with wheels 3, which can reduce the working resistance of the stone pushing plate 10 and improve the working efficiency. The overall height of the telescopic plate 1 and the stone pushing plate 10 can be adjusted by the provided bottom column 13 and guide column 27, so that the thickness of the stone paving can be controlled and the uniformity of the stone paving can be ensured. A push rod 4 is installed on the back plate 2 for manual hand-held use, and a support frame 5 is provided under the push rod 4, which can cooperate with the wheel 3 to realize the parking of the device, thus avoiding the following problems: in the prior art, when the road surface needs to be filled with stones over a large area, manual filling and paving in different areas are often adopted, and the paving efficiency is low. When mechanical equipment such as bulldozers are used for filling and paving, the paving thickness is not easy to control.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tool for evenly paving stones, characterized by: The stone uniform paving tool comprises: a stone pushing plate (10), the stone pushing plate (10) is connected to the back plate (2) through a connecting plate (8), a telescopic plate (1) is provided between the stone pushing plate (10) and the back plate (2), a worm (9) is rotatably provided on the central axis of the stone pushing plate (10), a turntable (7) is fixed on the end face of the worm (9), and the turntable (7) is rotatably connected to the back plate (2), through grooves (28) are provided on both sides of the back plate (2), and ball grooves (11) are provided on the upper and lower inner walls of the through grooves (28); A telescopic plate (1), a bottom column (13) is installed at the bottom of the telescopic plate (1), a guide column (27) is plugged into the bottom of the bottom column (13), and a wheel (3) is provided at the bottom of the guide column (27); A rotating shaft (16) is provided with a worm gear (19) in the middle of the rotating shaft (16). A first external thread (17) and a second external thread (18) are respectively provided at both ends of the rotating shaft (16). The first external thread (17) and the second external thread (18) rotate in opposite directions.

2. A stone uniform paving tool according to claim 1, characterized in that: The connecting plates (8) are provided with two groups, and the two groups of connecting plates (8) are symmetrically distributed about the worm (9). The rotating shaft (16) is connected to the two groups of connecting plates (8) through a bearing. The worm wheel (19) is located directly below the worm (9), and the worm (9) and the worm wheel (19) are adapted to each other.

3. The stone uniform paving tool according to claim 1, characterized in that: A guide rod (15) is fixed on the surface of the connecting plate (8), and the guide rods (15) are provided with four groups. The four groups of guide rods (15) are evenly distributed around the rotating shaft (16). A guide hole (22) is opened on the surface of the telescopic plate (1), and the outer wall of the guide rod (15) and the inner wall of the guide hole (22) are in sliding connection.

4. The stone uniform paving tool according to claim 1, characterized in that: The telescopic plates (1) are provided with two groups, and the two groups of telescopic plates (1) are symmetrically distributed about the worm (9). An inner hole (23) is opened on the surface of the telescopic plates (1). One end of the rotating shaft (16) is located in the inner hole (23) of one group of telescopic plates (1) and is threadedly connected. The other end of the rotating shaft (16) is located in the inner hole (23) of the other group of telescopic plates (1) and is threadedly connected. The telescopic plates (1) and the stone pushing plates (10) are in contact with each other and are slidably connected.

5. The stone uniform paving tool according to claim 1, characterized in that: The surface of the telescopic plate (1) is provided with a slider (12), which is plate-shaped and distributed on one side close to the inner hole (23). The slider (12) is provided with two groups, and the two groups of sliders (12) are symmetrically distributed about the central axis of the telescopic plate (1). The slider (12) is provided with movable balls (21) on both the upper and lower sides. The slider (12) is located in the through groove (28), and the movable balls (21) are embedded in the ball groove (11) and roll.

6. The stone uniform paving tool according to claim 1, characterized in that: A rotating rod (6) is fixed on the surface of the rotating disk (7), and the rotating rod (6) is provided with four groups. The four groups of rotating rods (6) are evenly distributed on the surface of the rotating disk (7). A rubber ring (14) is laid on the surface of the rotating rod (6). There are a plurality of rubber rings (14), and the plurality of rubber rings (14) are evenly distributed linearly on the surface of the rotating rod (6). Push rods (4) are fixed on both sides of the back plate (2), and the ends of the push rods (4) are inclined at 60 degrees. A support frame (5) is fixed on the bottom of the push rods (4).

7. The stone uniform paving tool according to claim 1, characterized in that: The top of the bottom column (13) is installed below the telescopic plate (1) by means of bolts. The bottom column (13) is close to the outer end of the telescopic plate (1). An inner groove (25) is provided on the inner wall of the bottom column (13). An outer block (26) is provided on the outer wall of the guide column (27). The outer block (26) and the inner groove (25) are slidably connected.

8. The stone uniform paving tool according to claim 1, characterized in that: The surface of the bottom column (13) is provided with a plurality of first locking holes (24) distributed at equal intervals, the surface of the guide column (27) is provided with a second locking hole (29), the second locking hole (29) is close to the top end of the guide column (27), and stud bolts (20) are provided in the first locking hole (24) and the second locking hole (29).

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