Simple cement spreading equipment

Abstract

The utility model relates to simple cement spreading equipment, and belongs to the field of road engineering, the simple cement spreading equipment comprises a spreading device and a motorized device, the spreading device is mounted on the motorized device, the motorized device is a tension flat trolley, the spreading device comprises a working box, a pressure pump and a spraying pipe, the working box, the pressure pump and the spraying pipe are communicated in sequence, and the spraying pipe is connected with the working box. The spraying pipe is located on the edge of the tension flat trolley, the length direction of the spraying pipe is the horizontal direction and is perpendicular to the moving direction of the tension flat trolley, spraying holes are formed in the side wall of the spraying pipe, and a deformation structure is arranged on the spraying pipe and used for changing the length of the spraying pipe. The cement spreading device can adapt to cement spreading operation of a narrow road surface and has the advantage of being efficient and convenient to operate.

Description

Technical Field

[0001] This application relates to the field of road engineering, and in particular to a simple cement spreading device. Background Technology

[0002] In highway pavement construction, a cement slurry bonding layer is applied between thick water-stabilized base layers to ensure a cohesive overall effect. The cement slurry application process is a new technique invented in recent years to improve surface bonding between upper and lower base layers of cement-stabilized crushed stone structures in road construction, thereby enhancing overall stability.

[0003] While current cement spreader trucks have significantly improved work efficiency and are highly automated, their overall size makes them inconvenient to operate when spreading cement on narrow roads with many curves. This necessitates frequent relocation of the truck, resulting in low construction efficiency. Utility Model Content

[0004] To address the aforementioned issues, this application provides a simple cement spreading device.

[0005] The simplified cement spreading device provided in this application adopts the following technical solution:

[0006] A simple cement spreading device includes a spreading assembly and a motorized assembly. The spreading assembly is mounted on the motorized assembly, which is a tension flatbed trolley. The spreading assembly includes a working box, a pressure pump, and a spray pipe, which are connected in sequence. The spray pipe is located at the edge of the tension flatbed trolley, and its length direction is horizontal and perpendicular to the moving direction of the tension flatbed trolley. Spray holes are provided on the side wall of the spray pipe, and a deformable structure is provided on the spray pipe to change its length.

[0007] Preferably, the deformable structure is a split structure, the spray pipe includes end pipes and replacement center pipes, there are two end pipes, there are multiple replacement center pipes of various lengths, the two end pipes are coaxially connected to the opposite ends of one of the replacement center pipes to form a spray pipe, and a transmission hose is connected between the two end pipes and the pressure pump, and the replacement center pipe and the tension flatbed trolley are relatively fixed.

[0008] Preferably, the spreading device further includes a replacement wheel, which is rotatably connected to the tension flatbed trolley. The axis of the replacement wheel is parallel to the length direction of the spray pipe. A plurality of replacement center pipes are fixedly connected to the edge of the replacement wheel and arranged in an array along the circumference of the replacement wheel. The tension flatbed trolley is provided with a locking element for keeping the replacement wheel stationary.

[0009] Preferably, the locking element is a rotation stop pin, which is slidably connected to the tension flatbed trolley. The sliding direction is parallel to the axis of the replacement wheel. The replacement wheel has multiple rotation stop holes, and the rotation stop pin is used to selectively insert into one of the rotation stop holes.

[0010] Preferably, the end tube is provided with a connecting nut ring that rotates coaxially toward the end of the replacement center tube, the end of the replacement center tube is provided with an external thread structure, the connecting nut ring and the replacement center tube are coaxially threaded together, and the end of the replacement center tube and the end of the end tube abut against each other.

[0011] Preferably, a positioning protrusion is fixedly connected to the end of the replacement center tube, and a positioning groove is provided at the end of the end tube facing the replacement center tube for the positioning protrusion to be inserted.

[0012] Preferably, the end of the end tube near the replacement center tube is coaxially fixedly connected to a mating shoulder, and a limiting shoulder is coaxially fixedly connected to the connecting nut ring, with an elastic gasket abutting between the limiting shoulder and the mating shoulder.

[0013] This application includes at least one of the following beneficial technical effects:

[0014] With the addition of a tension flatbed trolley and a deformable structure, the tension flatbed trolley is small in size, easy to operate, and can adapt to narrow and winding road conditions. The deformable structure also allows for adjustment of the spray pipe length, improving the equipment's adaptability to working on roads of various widths. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of the overall structure of the simplified cement spreading equipment in the embodiments of this application.

[0016] Figure 2 This is a schematic diagram illustrating the deformable structure of the spray pipe in the embodiments of this application.

[0017] Figure 3 This is a schematic diagram illustrating the structure at the connection between the end tube and the replacement center tube in the embodiments of this application.

[0018] Explanation of reference numerals in the attached drawings: 1. Motorized device; 11. Tension flatbed trolley; 12. Handrail; 13. Motorized wheel; 2. Spreading device; 21. Work box; 22. Pressure pump; 23. Spray pipe; 231. Spray hole; 232. Replacement center pipe; 233. End pipe; 234. Positioning protrusion; 235. Positioning groove; 24. Transmission hose; 25. Connecting shoulder; 26. Connecting nut ring; 261. Limiting shoulder; 27. Elastic washer; 3. Replacement wheel; 31. Anti-rotation hole; 32. Anti-rotation pin. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0020] This application discloses a simple cement spreading device, such as... Figure 1 and 2 As shown, the device includes a spreading device 2 and a motorized device 1. The motorized device 1 is a tension flatbed trolley 11 without a drive power source. The spreading device 2 is located on the tension flatbed trolley 11 and is used for cement mixing and spraying. A handrail 12 is fixedly installed at one end of the tension flatbed trolley 11, and a motorized wheel 13 is rotatably installed at the bottom.

[0021] like Figure 1 and 2 As shown, the spreading device 2 includes a working box 21, a pressure pump 22, and a spray pipe 23. The working box 21 and pressure pump 22 are both fixedly mounted on the tension flatbed trolley 11. The working box 21, pressure pump 22, and spray pipe 23 are connected sequentially. Several spray holes 231 are opened on the side wall of the spray pipe 23, and these spray holes 231 are arranged in an array along the length of the spray pipe 23. The spray pipe 23 is located on the edge of the tension flatbed trolley 11 away from the handrail 12. The working box 21 is used to prepare and hold cement raw materials. The pressure pump 22 is used to transport cement from the working box 21 to the spray pipe 23, and finally, the cement is sprayed onto the ground through the spray holes 231. The length direction of the spray pipe 23 is horizontal and perpendicular to the moving direction of the tension flatbed trolley 11. When spraying cement, the openings of the spray holes 231 face the ground.

[0022] like Figure 1 and 2 As shown, the spray pipe 23 is equipped with a deformable structure, which is used to change the length of the spray pipe 23. In this embodiment, the deformable structure is a split mechanism, that is, the spray pipe 23 is divided into multiple segments. The spray pipe 23 includes end pipes 233 and replacement center pipes 232. There are two end pipes 233 and multiple replacement center pipes 232 with varying lengths. Two end pipes 233 are coaxially connected to the opposite ends of one of the replacement center pipes 232 to form the spray pipe 23. That is, when the end pipes 233 are replaced with different replacement center pipes 232, the length of the spray pipe 23 formed will be different, and the lateral width of the spraying range can also be adjusted. A transmission hose 24 is connected between each of the two end pipes 233 and the pressure pump 22. The pressure pump 22 delivers cement into the spray pipe 23 through the transmission hose 24.

[0023] like Figure 1 and 2As shown, the spraying device 2 also includes a replacement wheel 3, which is rotatably connected to the tension flatbed trolley 11. The axis of the replacement wheel 3 is parallel to the length direction of the spray pipe 23. Multiple replacement center tubes 232 are fixedly connected to the edge of the replacement wheel 3 and arranged in a circumferential array along the replacement wheel 3. The tension flatbed trolley 11 is provided with a locking member to keep the replacement wheel 3 stationary. When the replacement wheel 3 rotates, each replacement center tube 232 can reach the edge position of the tension flatbed trolley 11 in turn. When the locking member keeps the replacement wheel 3 stationary, each replacement center tube 232 also remains relatively fixed. The locking member is a rotation pin 32, which is slidably connected to the replacement frame. The sliding direction is parallel to the axis of the replacement wheel 3. Multiple rotation holes 31 are provided on the replacement wheel 3, and the rotation pin 32 is used to selectively insert into one of the rotation holes 31.

[0024] like Figure 1-3 As shown, in this embodiment, there are six replacement center tubes 232. When the end tube 233 is connected to the shortest replacement center tube 232, the length of the spray pipe 23 is approximately equal to the width of the tension flatbed trolley 11. When it is connected to the longest replacement center tube 232, the length of the spray pipe 23 is approximately twice the width of the tension flatbed trolley 11. A connecting nut ring 26 is coaxially rotatably provided at one end of the end tube 233 facing the replacement center tube 232. Both ends of the replacement center tube 232 are provided with external thread structures, and the connecting nut ring 26 is coaxially threadedly connected to the replacement center tube 232 for mutual fixation. The end of the end tube 233 near the replacement center tube 232 is coaxially fixedly connected to a mating shoulder 25. A limiting shoulder 261 is coaxially fixedly connected to the connecting nut ring 26. The limiting shoulder 261 is located on the side of the mating shoulder 25 away from the replacement center tube 232. A rubber elastic gasket 27 is fixedly bonded to the mating shoulder 25. After the connecting nut ring 26 and the replacement center tube 232 are threadedly connected, the two sides of the elastic gasket 27 are tightly abutted against the mating shoulder 25 and the limiting shoulder 261, respectively, to improve the stability of the connection relationship between the end tube 233 and the replacement center tube 232.

[0025] like Figure 2 and 3 As shown, a positioning protrusion 234 is fixedly connected to the end of the replacement center tube 232. The end of the end tube 233 facing the replacement center tube 232 is provided with a positioning groove 235 for the positioning protrusion 234 to be inserted. When the positioning protrusion 234 is inserted into the positioning groove 235, the relative angular position of the end tube 233 and the replacement center tube 232 is determined. At this time, the spray holes 231 on the end tube 233 and the spray holes 231 on the replacement center tube 232 are arranged on the same generatrix of the spray pipe 23.

[0026] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A simple cement spreading device comprising a spreading device (2) and a motorized device (1), said spreading device (2) being mounted on the motorized device (1), characterized in that: The motorized device (1) is a pulling flat platform trolley (11), the spreading device (2) comprises a working box (21), a pressure pump (22) and a spraying pipe (23), the working box (21), the pressure pump (22) and the spraying pipe (23) are sequentially communicated, the spraying pipe (23) is located at the edge of the pulling flat platform trolley (11), the length direction of the spraying pipe (23) is horizontal and perpendicular to the moving direction of the pulling flat platform trolley (11), the side wall of the spraying pipe (23) is provided with a spraying hole (231), the spraying pipe (23) is provided with a deformation structure, and the deformation structure is used for changing the length of the spraying pipe (23).

2. A simple cement spreading apparatus as claimed in claim 1, wherein: The deformation structure is a split structure, the spraying pipe (23) comprises end pipes (233) and replacement center pipes (232), the end pipes (233) are provided with two, the replacement center pipes (232) are provided with multiple and have various lengths, and two end pipes (233) are coaxially connected at opposite ends of one of the replacement center pipes (232) to form the spraying pipe (23), transmission hoses (24) are connected between the two end pipes (233) and the pressure pump (22), and the replacement center pipes (232) are fixed relative to the pulling flat platform trolley (11).

3. A simple cement spreading apparatus as claimed in claim 2, wherein: The spraying device (2) further comprises a replacement wheel (3), the replacement wheel (3) is rotationally connected with the pulling flat platform trolley (11), the axis of the replacement wheel (3) is parallel to the length direction of the spraying pipe (23), a plurality of replacement center pipes (232) are fixedly connected at the edge of the replacement wheel (3) and are arranged in the circumferential direction of the replacement wheel (3), and the pulling flat platform trolley (11) is provided with a locking piece for keeping the replacement wheel (3) stationary.

4. A simple cement spreading apparatus as claimed in claim 3, wherein: The locking piece is a rotation-stopping pin (32), the rotation-stopping pin (32) is slidingly connected with the pulling flat platform trolley (11) and parallel to the axis of the replacement wheel (3), a plurality of rotation-stopping holes (31) are formed in the replacement wheel (3), and the rotation-stopping pin (32) is used for selectively inserted into one of the rotation-stopping holes (31).

5. A simple cement spreading apparatus as claimed in any one of claims 2 to 4, wherein: One end of the end pipe (233) coaxially rotatably provided with a connecting nut ring (26) towards the replacement center pipe (232), the end of the replacement center pipe (232) is provided with an external thread structure, the connecting nut ring (26) is coaxially threadedly connected with the replacement center pipe (232), and the end of the replacement center pipe (232) abuts against the end of the end pipe (233).

6. A simple cement spreading apparatus as claimed in claim 5, wherein: The end of the replacement center pipe (232) is fixedly connected with a positioning protrusion (234), and the end of the end pipe (233) towards the replacement center pipe (232) is provided with a positioning groove (235) for inserting the positioning protrusion (234).

7. A simple cement spreading apparatus as claimed in claim 5, wherein: The end of the end pipe (233) coaxially fixedly connected with a butt shaft shoulder (25) towards the replacement center pipe (232), the connecting nut ring (26) is coaxially fixedly connected with a limiting shaft shoulder (261), and the limiting shaft shoulder (261) and the butt shaft shoulder (25) abut against each other with an elastic gasket (27) therebetween.

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