Asphalt pavement repairing device

Abstract

The utility model provides an asphalt pavement repairing device which comprises a main machine and a machine head, the machine head is communicated with the main machine through a pipeline, and the machine head comprises a connecting pipe, a connector, a spray head, a holding rod and a control assembly. The other end of the connecting pipe is in threaded connection with the joint; one end of the ball cover is communicated with the connecting pipe, and the other end of the ball cover is provided with an opening; the spray head comprises a ball head and a bent pipe; one end of the bent pipe is fixed on the ball head, the ball head is rotatably mounted in the ball cover, and the bent pipe penetrates through the opening and extends towards the outside of the ball cover; according to the design, rapid adjustment of the inclination angle of the spray head is achieved through the control assembly, the frequency of adjusting the holding posture by an operator is reduced, and physical output is reduced; by rotating the positioning screw rod up and down, the inclination angle of the spray head can be loosened and fixed, the structure is simple, operation is convenient, and the repairing work efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt pavement repair equipment, in particular to an asphalt pavement repair device. Background Art

[0002] Asphalt pavement is an important part of road traffic, and its maintenance and repair work has always attracted much attention. In the process of repairing asphalt pavement, the repair device plays a vital role, among which asphalt spraying is one of the important links in the repair work.

[0003] Currently, there are many asphalt pavement repair devices on the market, most of which are equipped with a liquid delivery tube and a nozzle to transport asphalt to a designated location and spray it. However, these repair devices generally have a common problem during use, that is, the operator needs to constantly adjust the posture of holding the liquid delivery tube in order to change the angle of asphalt spraying.

[0004] This need to adjust posture not only increases the labor intensity of the operator, but may also lead to unstable spraying results. Since the angle of asphalt spraying directly affects the quality and efficiency of the repair, the operator must always pay attention to and adjust the angle to ensure the accuracy and completeness of the repair. However, frequent posture adjustments will not only make the operator feel tired, but may also affect the accuracy of the operation and even lead to the failure of the repair work. Utility Model Content

[0005] In view of the above-mentioned technical deficiencies, the purpose of the utility model is to provide an asphalt pavement repairing device, which reduces the frequency of operators adjusting their gripping postures, reduces physical exertion, and improves the efficiency of repair work.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A device for repairing asphalt pavement, comprising a main machine and a machine head, the machine head and the main machine are connected by a pipeline, the machine head comprises a connecting pipe, a joint, a nozzle, a grip and a control assembly; one end of the connecting pipe is connected to the main machine, and the other end is threadedly connected to the joint; a ball cover is integrally provided on the joint at one end away from the connecting pipe, one end of the ball cover is connected to the connecting pipe, and the other end is provided with an opening; the nozzle comprises a ball head and a curved pipe; one end of the curved pipe is fixed to the ball head, the ball head is rotatably installed in the ball cover, the curved pipe passes through the opening and extends to the outside of the ball cover; a column is fixedly provided on the ball head, a positioning groove adapted to the column is provided on the ball cover, and the column can be movably placed in the positioning groove; the ball head connects the curved pipe and the connecting pipe; the grip is fixed on the connecting pipe at one end away from the joint; the control assembly comprises a pull ring, a transmission rod and a pull rod; the bottom of the pull rod is hinged on the connecting pipe; the pull ring is movably sleeved on the top of the column; one end of the transmission rod is fixedly connected to the pull ring, and the other end is hingedly connected to the pull rod.

[0008] Preferably, the control component also includes an arc-shaped positioning plate and a positioning screw; one end of the arc-shaped positioning plate is fixedly connected to the connecting tube; a positioning groove matched with the arc-shaped positioning plate is provided on the pull rod, and the other end of the arc-shaped positioning plate can movably pass through the positioning groove; a screw hole for accommodating the positioning screw is provided inside the pull rod, the lower end of the screw hole is connected to the positioning groove, and the upper end extends upward to the top of the pull rod; the positioning screw is inserted into the screw hole from top to bottom and is threadedly connected to the screw hole, and the lower end of the positioning screw abuts against the arc-shaped positioning plate.

[0009] Preferably, a plurality of positioning blocks are provided on the upper end surface of the arc-shaped positioning plate; the plurality of positioning blocks are distributed in a circular array with the axis of the arc-shaped positioning plate as the center; and the lower end of the positioning screw is inserted between two adjacent positioning blocks.

[0010] Preferably, a spherical bearing is installed inside the pull ring; a spherical body is fixedly provided on the top of the column, and the spherical body is rotatably installed in the spherical bearing.

[0011] Preferably, the grip rod comprises a rod body and a grip; one end of the rod body is fixed to the connecting tube, and the other end is fixedly connected to the grip.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The design of the utility model realizes rapid adjustment of the nozzle tilt angle through the control component, reduces the frequency of operators adjusting the holding posture, and reduces physical exertion; the nozzle tilt angle can be loosened and fixed by rotating the positioning screw up and down, has a simple structure, is easy to operate, and can improve the efficiency of repair work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the machine head in the utility model;

[0016] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0017] Figure 4 for Figure 2 A partial enlarged view of point B in the middle;

[0018] Figure 5 It is a schematic diagram of the structural disassembly of the machine head in the utility model.

[0019] in:

[0020] 1. Main machine; 2. Machine head; 21. Transmission rod; 22. Pull rod; 23. Handle; 24. Rod body; 25. Connecting pipe; 26. Joint; 27. Bend pipe; 28. Positioning screw; 29. ​​Arc positioning plate; 210. Sphere; 211. Positioning groove; 212. Ball head; 213. Column; 214. Pull ring. DETAILED DESCRIPTION

[0021] The utility model will be further described below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 5 As shown, an asphalt pavement repair device includes a main body 1 and a head 2, the head 2 and the main body 1 are connected by a pipeline, the main body 1 is an existing structure, and can heat and melt asphalt and pump it to the head 2, and then apply it to the area to be repaired through the head 2; the head 2 includes a connecting pipe 25, a joint 26, a nozzle, a grip and a control component; one end of the connecting pipe 25 is connected to the main body 1, and the other end is threadedly connected to the joint 26, and the joint 26 can be screwed off from the connecting pipe 25; a ball cover is integrally provided at one end of the joint 26 away from the connecting pipe 25, and the ball cover is an internal hollow structure, one end of which is connected to the connecting pipe 25, and the other end is provided with an opening; the nozzle includes a ball head 212 and a curved pipe 27; one end of the curved pipe 27 is fixed on the ball head 212, and the ball head 212 is rotatably installed in the ball cover, and the curved pipe 27 passes through the opening and extends to the outside of the ball cover, and is set downward , used to contact with the asphalt road surface; a column 213 is fixedly arranged on the ball head 212, and a positioning groove 211 adapted to the column 213 is arranged on the ball cover, one end of the positioning groove 211 is connected with the opening of the ball cover, and the column 213 can be movably placed in the positioning groove 211; the ball head 212 is connected to the curved pipe 27 and the connecting pipe 25; the gripping rod is fixed on the end of the connecting pipe 25 away from the joint 26; the control component includes a pull ring 214, a transmission rod 21 and a pull rod 22; the bottom of the pull rod 22 is hinged on the connecting pipe 25; the pull ring 214 is movably sleeved on the top of the column 213; one end of the transmission rod 21 is fixedly connected to the pull ring 214, and the other end is hingedly connected to the pull rod 22; pull the pull rod 22, and pull the column 213 through the transmission rod 21, so that the ball head 212 rotates in the ball cover to adjust the inclination angle of the curved pipe 27 in the vertical plane.

[0023] Furthermore, the control component also includes an arc-shaped positioning plate 29 and a positioning screw 28; one end of the arc-shaped positioning plate 29 is fixedly connected to the connecting tube 25; a positioning groove 211 adapted to the arc-shaped positioning plate 29 is provided on the pull rod 22, and the other end of the arc-shaped positioning plate 29 is movably arranged to pass through the positioning groove 211; a screw hole for accommodating the positioning screw 28 is provided inside the pull rod 22, the lower end of the screw hole is connected to the positioning groove 211, and the upper end extends upward to the top of the pull rod 22; the positioning screw 28 is inserted into the screw hole from top to bottom and is threadedly connected to the screw hole, and the lower end of the positioning screw 28 abuts against the arc-shaped positioning plate 29; the positioning screw 28 is rotated downward so that the lower end of the positioning screw 28 abuts against the arc-shaped positioning plate 29, and the position of the pull rod 22 is fixed by the friction between the positioning screw 28 and the arc-shaped positioning plate 29, that is, the inclination angle of the bent pipe 27 is fixed.

[0024] Furthermore, a plurality of positioning blocks are provided on the upper end surface of the arc-shaped positioning plate 29; the plurality of positioning blocks are distributed in a circular array with the axis of the arc-shaped positioning plate 29 as the center; the lower end of the positioning screw 28 is inserted between two adjacent positioning blocks, and the positioning screw 28 is inserted between the two positioning blocks to fix the inclination angle of the bent pipe 27.

[0025] Furthermore, a spherical ball 210 is fixedly provided on the top of the column 213, and the spherical ball 210 is rotatably installed in the spherical ball bearing, so that the transmission rod 21 can pull the column 213 to move through the pull ring 214.

[0026] Furthermore, the gripping rod includes a rod body 24 and a grip 23; one end of the rod body 24 is fixed to the connecting tube 25, and the other end is fixedly connected to the grip 23, and the gripping rod 22 is used by grasping the grip 23 with one hand and grasping the pull rod 22 with the other hand.

[0027] When in use, the user grasps the handle 23 with one hand and the pull rod 22 with the other hand, lifts up the machine head 2, and places the lower end of the curved pipe 27 above the groove to be repaired on the asphalt pavement, starts the main machine 1, and pumps the melted asphalt into the curved pipe 27 to fill the groove; when the inclination angle of the curved pipe 27 needs to be adjusted, the positioning screw 28 is rotated upward to disengage the positioning screw 28 from the contact with the arc-shaped positioning plate 29, and the pull rod 22 is pulled, and the pull ring 214 is driven by the transmission rod 21 to pull the ball head 212, thereby driving the curved pipe 27 to deflect upward or downward, and then the positioning screw 28 is rotated downward to clamp the arc-shaped positioning plate 29 through the positioning screw 28, thereby fixing the inclination angle of the curved pipe 27.

Claims

1. An asphalt pavement repair device, comprising a main machine (1) and a machine head (2), wherein the machine head (2) and the main machine (1) are connected through a pipeline, characterized in that: The machine head (2) comprises a connecting pipe (25), a joint (26), a spray head, a grip and a control assembly; one end of the connecting pipe (25) is connected to the main machine (1), and the other end is threadedly connected to the joint (26); a ball cover is integrally provided at one end of the joint (26) away from the connecting pipe (25), one end of the ball cover is connected to the connecting pipe (25), and the other end is provided with an opening; the spray head comprises a ball head (212) and a curved pipe (27); one end of the curved pipe (27) is fixed to the ball head (212), the ball head (212) is rotatably installed in the ball cover, and the curved pipe (27) passes through the opening and extends to the outside of the ball cover; a column (212) is fixedly provided on the ball head (212) 13), a positioning groove (211) matched with the column (213) is arranged on the ball cover, and the column (213) can be movably placed in the positioning groove (211); the ball head (212) is connected to the bent pipe (27) and the connecting pipe (25); the gripping rod is fixed on the end of the connecting pipe (25) away from the joint (26); the control component includes a pull ring (214), a transmission rod (21) and a pull rod (22); the bottom of the pull rod (22) is hinged on the connecting pipe (25); the pull ring (214) is movably sleeved on the top of the column (213); one end of the transmission rod (21) is fixedly connected to the pull ring (214), and the other end is hingedly connected to the pull rod (22).

2. The asphalt pavement repairing device according to claim 1, characterized in that: The control component also includes an arc-shaped positioning plate (29) and a positioning screw (28); one end of the arc-shaped positioning plate (29) is fixedly connected to the connecting tube (25); a positioning groove (211) adapted to the arc-shaped positioning plate (29) is provided on the pull rod (22), and the other end of the arc-shaped positioning plate (29) is movably arranged to pass through the positioning groove (211); a screw hole for accommodating the positioning screw (28) is arranged inside the pull rod (22), the lower end of the screw hole is connected to the positioning groove (211), and the upper end extends upward to the top of the pull rod (22); the positioning screw (28) is inserted into the screw hole from top to bottom and is threadedly connected to the screw hole, and the lower end of the positioning screw (28) is arranged to abut the arc-shaped positioning plate (29).

3. The asphalt pavement repairing device according to claim 2, characterized in that: The upper end surface of the arc-shaped positioning plate (29) is provided with a plurality of positioning blocks; the plurality of positioning blocks are distributed in a circular array with the axis of the arc-shaped positioning plate (29) as the center; the lower end of the positioning screw (28) is inserted between two adjacent positioning blocks.

4. The asphalt pavement repairing device according to any one of claims 1 to 3, characterized in that: A joint bearing is installed inside the pull ring (214); a spherical body (210) is fixedly arranged on the top of the column (213), and the spherical body (210) is rotatably installed in the joint bearing.

5. The asphalt pavement repairing device according to claim 1, characterized in that: The gripping rod comprises a rod body (24) and a gripping handle (23); one end of the rod body (24) is fixed to the connecting tube (25), and the other end is fixedly connected to the gripping handle (23).

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