Municipal construction grooving machine
By simultaneously adjusting the cutting blade spacing and depth through the adjustment and pressing mechanism, combined with protective baffles and dust suppression nozzles, the problems of inconsistent cutting depth and dust generation in municipal construction have been solved, thereby improving construction safety and environmental protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-27
AI Technical Summary
The existing municipal construction grooving machine has an unstable structure, making it difficult to ensure that the cutting depth of the two grooves is synchronized. In addition, it generates stones, debris and dust during the grooving process, which affects construction safety and the environment.
The cutting blade spacing and depth are adjusted synchronously using a distance adjustment mechanism and a pressing mechanism, and it is equipped with a protective baffle and a dust suppression nozzle to prevent splashing and dust.
It enables synchronous adjustment of the cutting blade spacing and depth, reducing debris splashing and dust, and improving construction safety and environmental protection.
Smart Images

Figure CN224048255U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to municipal road construction equipment field, concretely relates to a municipal construction grooving machine. BACKGROUND
[0002] During municipal construction, it is often necessary to dig out a groove on the road surface for the laying of pipelines and cables. Generally, two parallel line grooves are first cut on the road surface using a grooving machine, and then the road surface between the two line grooves is excavated. The existing grooving machine structure is unstable, making it difficult to ensure that the cutting depths of the two line grooves remain synchronized, and during the grooving process, stones, debris, dust, and other flying objects often fly out, affecting construction safety and the work environment. SUMMARY
[0003] To solve the problems of the prior art, the utility model aims to provide a municipal construction grooving machine. The device can quickly cut and groove the road surface, is stable in structure, easy to use, and can reduce the outward diffusion of dust and flying debris, effectively improving the construction work environment.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A municipal construction grooving machine comprises a vehicle body and a cutting knife. A handrail is installed on the upper rear side of the vehicle body, and a protective baffle is vertically and detachably arranged around the side surface of the vehicle body. Two moving blocks are horizontally and movably arranged in the internal cavity of the vehicle body. The two moving blocks are connected to a distance adjusting mechanism inside the vehicle body. The distance adjusting mechanism is used to synchronously adjust the horizontal distance between the two moving blocks. The front side of each moving block is rotatably connected to one end of a corresponding movable rod in the vertical direction. The other end of the movable rod is vertically installed with a cutting knife. The cutting knife is connected to the power of a cutting motor on the movable rod. A through hole is horizontally arranged in the middle of each movable rod. A sliding rod is horizontally movably arranged in the through hole of the two movable rods. A pressing mechanism is arranged in the vehicle body. The action part of the pressing mechanism is connected to the middle part of the sliding rod. A plurality of dust reduction nozzles are installed on the bottom of the vehicle body. The dust reduction nozzles are connected to the water supply mechanism on the vehicle body.
[0006] Preferably, the distance adjusting mechanism comprises a distance adjusting motor, a screw rod, and a limiting rod arranged in the vehicle body. The screw rod is horizontally installed in the cavity inside the vehicle body. The limiting rod is fixed in the cavity in parallel with the screw rod. The distance adjusting motor is connected to the end of the screw rod. The two moving blocks are threadedly arranged on the right and left threads of the screw rod and are slidably arranged on the limiting rod.
[0007] Preferably, the pressing mechanism comprises a hydraulic cylinder and a connecting rod. The hydraulic cylinder is vertically and horizontally installed in the vehicle body in front of the screw rod. The piston rod end of the hydraulic cylinder is rotatably connected to one end of the connecting rod. The other end of the connecting rod is downwardly inclined and rotatably connected to the sliding rod.
[0008] Preferably, the two ends of the slide rod are respectively fixed with limiting blocks.
[0009] Preferably, the side of the vehicle body is vertically downwardly provided with a clamping groove, and the inner side of the protective baffle is fixed with a strip-shaped clamping block which is vertically slidably clamped in the clamping groove.
[0010] Preferably, the clamping groove is a T-shaped groove, and the strip-shaped clamping block is a T-shaped structure matched with the clamping groove.
[0011] Preferably, the side of the vehicle body is provided with a threaded hole, and the protective baffle is horizontally provided with a pressure connection hole, and a locking bolt is threadedly connected in the threaded hole through the pressure connection hole.
[0012] Preferably, the water supply mechanism comprises a water pump and a water tank mounted on the vehicle body, the water inlet of the water pump is communicated with the water tank, and the water outlet of the water pump is communicated with the dust falling nozzle.
[0013] Preferably, the cutting knives are mounted on the opposite inner sides of the two movable rods.
[0014] The utility model has the beneficial effect that:
[0015] 1. The protective baffle around the vehicle body can effectively prevent the flying of debris generated in the process of cutting the road surface, and ensure the safety of construction. In order to facilitate the dismounting and mounting of the protective baffle, T-shaped clamping grooves matched with the protective baffle are provided on the four sides of the vehicle body, and the protective baffle can be quickly and vertically clamped in the clamping groove by using the strip-shaped clamping block, so that the dismounting and mounting of the protective baffle are more convenient.
[0016] 2. In order to improve the stability of the installation of the protective baffle, the bolt is connected in the threaded hole on the vehicle body after penetrating the protective baffle, and the bolt can effectively lock the protective baffle, thereby significantly improving the stability of the installation of the protective baffle.
[0017] 3. When the distance adjusting motor drives the screw rod to rotate, the two moving blocks on the opposite threads can be synchronized to move away from or close to each other under the sliding limiting action of the limiting rod, the two cutting knives are driven to move synchronously by the movable rods, and then the distance between the two cutting knives is adjusted, so that the distance of the road surface slotting is effectively adjusted.
[0018] 4. When the cutting operation is performed, the cutting motor drives the cutting knife to rotate at a high speed, the hydraulic cylinder is elongated, the slide rod is pushed downward through the connecting rod, and then the two movable rods are swung downward with the hinge joint of the moving block as the center, so that the cutting depth of the cutting knives installed at the end of the two movable rods is adjusted, the cutting depth consistency of the two cutting slots is ensured, and the slotting construction quality is improved.
[0019] 5. The water in the water tank of the application can be delivered to the dust suppression nozzle by the water pump, and the water mist sprayed by the dust suppression nozzle can effectively suppress the dust generated during road cutting, reducing pollution to the working environment. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the utility model;
[0021] Figure 2 It is a structural schematic diagram of the utility model from the front inside the vehicle body;
[0022] Figure 3 It is a mounting schematic diagram of the pressing mechanism of the utility model;
[0023] Figure 4 It is a mounting schematic diagram of the baffle of the utility model. DETAILED DESCRIPTION
[0024] The principles and characteristics of the utility model will be described below in combination with the drawings, and the examples are only used to explain the utility model and not to limit the use range of the utility model.
[0025] As shown in Figures 1-4 The utility model discloses a municipal construction grooving machine, including vehicle body 1 and cutting knife 43, the rear side of vehicle body 1 top is installed with handrail 11, is used to push vehicle body 1 and moves. The vertical detachable protection baffle 2 of vehicle body 1 is provided on the four around sides. The upper edge of protection baffle 2 is flush with vehicle body 1, and the lower edge is close to the ground and lower than the lower edge of vehicle body 1. Specifically, the side of vehicle body 1 is vertically downward from the top and is provided with a clamping groove 12, and the inner side of protection baffle 2 is fixedly provided with a strip-shaped clamping block 22. The clamping groove 12 is a T-shaped groove, and the strip-shaped clamping block 22 is a T-shaped structure matched with the clamping groove 12, so that the strip-shaped clamping block 22 can be vertically slidably clamped in the clamping groove 12. The side of vehicle body 1 is provided with a threaded hole 13, the protection baffle 2 is provided with a pressure joint hole 20, and the locking bolt 21 is threadedly connected in the threaded hole 13.
[0026] The protection baffle 2 around vehicle body 1 can effectively prevent the debris generated during road cutting from splashing outward, ensuring the safety of construction. In order to facilitate the disassembly and installation of the protection baffle 2, the T-shaped clamping groove 12 matched with the protection baffle 2 is provided on the four around sides of the vehicle body 1, and the strip-shaped clamping block 22 can be quickly and vertically clamped in the clamping groove 12, so that the installation and disassembly of the protection baffle 2 are more convenient. In addition, in order to improve the stability of the installation of the protection baffle 2, the bolt 21 is connected in the threaded hole 13 on the vehicle body 1 after penetrating the protection baffle 2, and the bolt 21 can effectively lock the protection baffle 2, significantly improving the stability of the installation of the protection baffle 2.
[0027] Two moving blocks 63 are horizontally and transversely movably arranged in the cavity 10 of the vehicle body 1, and the two moving blocks 63 are connected with a distance adjusting mechanism in the vehicle body 1, and the distance adjusting mechanism is used for synchronously adjusting the horizontal distance between the two moving blocks 63. Specifically, the distance adjusting mechanism comprises a distance adjusting motor 611, a screw rod 61 and a limiting rod 62, the screw rod 61 is horizontally and transversely arranged in the cavity 10 of the vehicle body 1, the limiting rod 62 is fixed in the cavity 10 in parallel with the screw rod 61, and the distance adjusting motor 611 is connected with the end of the screw rod 61 in power; two threaded holes 13 arranged on the two moving blocks 63 are respectively threadedly sleeved on the right and left threads of the screw rod 61, and the moving blocks 63 are slidably sleeved on the limiting rod 62 through the sliding holes arranged thereon.
[0028] When the distance adjusting motor 611 drives the screw rod 61 to rotate, the two moving blocks 63 on the right and left threads can synchronously move away from or close to each other under the sliding limiting action of the limiting rod 62, the two cutting knives 43 are synchronously driven by the movable rods 4 to move, and then the distance between the two cutting knives 43 is adjusted, so that the effective adjustment of the slotting distance of the road surface is realized.
[0029] The front side of each of the two moving blocks 63 is rotatably connected with one end of a corresponding movable rod 4 in the vertical direction, the other end of the movable rod 4 is vertically arranged with a cutting knife 43, and the cutting knife 43 is arranged on the inner side opposite to the two movable rods 4. The cutting knife 43 is coaxially connected with the output shaft of the cutting motor 42 on the movable rod 4. The middle part of each of the two movable rods 4 is horizontally arranged with a through hole, and a sliding rod 41 is horizontally movably arranged in the through hole of the two movable rods 4; the two ends of the sliding rod 41 are respectively fixed with limiting blocks 411, and the limiting blocks 411 can limit the two movable rods 4 sleeved on the sliding rod 41, so as to prevent the movable rods 4 from being separated from the sliding rod 41. A pressing mechanism is arranged in the vehicle body 1, and the action part of the pressing mechanism is connected with the middle part of the sliding rod 41. Specifically, the pressing mechanism comprises a hydraulic cylinder 5 and a connecting rod 51, the hydraulic cylinder 5 is vertically arranged in front of the screw rod 61 and horizontally arranged in the vehicle body 1, one end of the connecting rod 51 is rotatably connected with the piston rod end of the hydraulic cylinder 5, and the other end of the connecting rod 51 is downwardly inclined and rotatably connected with the middle part of the sliding rod 41. Since the movable rod 4 is slidably sleeved on the sliding rod 41, the movable rod 4 can be horizontally and transversely moved by the moving block 63, and when the connecting rod 51 pushes the sliding rod 41 to move in the vertical direction, the two movable rods 4 can be synchronously rotated by the sliding rod 41, and then the height of the two cutting knives 43 can be synchronously adjusted.
[0030] During the cutting operation, the cutting motor 42 drives the cutting knife 43 to rotate at a high speed, the hydraulic cylinder 5 is elongated to push the sliding rod 41 downward through the connecting rod 51, and then the two movable rods 4 can be swung downward with the moving block 63 as the center, so as to adjust the cutting depth of the cutting knife 43 arranged at the end of the movable rod 4, ensure the consistency of the cutting depth of the two cutting knives, and improve the slotting construction quality.
[0031] The bottom of the vehicle body 1 is also provided with a plurality of dust suppression nozzles 33, which are connected to a water supply mechanism on the vehicle body 1, the water supply mechanism comprising a water tank 31 and a water pump 32 mounted on the vehicle body 1, the water inlet of the water pump 32 being connected to the water tank 31, and the water outlet of the water pump 32 being connected to the dust suppression nozzles 33. The water in the water tank 31 can be delivered to the dust suppression nozzles 33 by the water pump 32, and the water mist sprayed by the dust suppression nozzles 33 can effectively suppress the dust generated when cutting the road, thereby reducing pollution to the working environment.
[0032] When the utility model is used, the distance adjusting motor 611 is controlled to rotate according to the construction requirement, the distance between the two moving blocks 63 and the movable rods 4 is changed, the distance between the two cutting knives 43 is adjusted, and then the cutting motor 42 is started, the extension length of the hydraulic cylinder 5 is controlled, the connecting rods 51, the sliding rods 41 and the two movable rods 4 are moved, and then the cutting depth of the cutting knives 43 is changed, and then the worker walks along the cutting line and pushes the vehicle body 1 forward along the handrails 11 to walk and cut, and then the rapid cutting and grooving of the road surface are realized.
[0033] Obviously, the above-described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacements to some technical features. Any equivalent structure made by using the contents of the specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.
Claims
1. A municipal construction trencher comprising a vehicle body and a cutting blade, characterised in that: The handrail is installed on the rear side of the vehicle body, and the vertical detachable protective baffle is arranged on the four sides of the vehicle body.
2. The municipal construction trencher of claim 1, wherein: The distance adjusting mechanism is used for synchronously adjusting the horizontal distance between the two moving blocks.
3. The municipal construction trencher of claim 1, wherein: The distance adjusting mechanism comprises a distance adjusting motor, a screw rod and a limiting rod arranged in the vehicle body.
4. The municipal construction trencher of claim 1, wherein: The screw rod is horizontally installed in the cavity of the vehicle body, and the limiting rod is fixed in the cavity in parallel to the screw rod.
5. The municipal construction trencher of claim 1, wherein: The two moving blocks are respectively threadedly sleeved on the right and left threads of the screw rod and are slidably sleeved on the limiting rod.
6. The municipal construction trencher of claim 5, wherein: The limiting block is fixed on the two ends of the slide rod.
7. The municipal construction trencher of claim 5, wherein: The strip-shaped clamping block is vertically slidably arranged in the T-shaped slot.
8. The municipal construction trencher of claim 1, wherein: The screw hole is arranged on the side of the vehicle body, and the pressure joint hole is horizontally arranged on the protective baffle.
9. The municipal construction trencher of claim 1, wherein: The water pump and the water tank are arranged on the vehicle body. The cutting knife is arranged on the inner side of the two movable rods opposite to each other.