Grooving mechanism for water conservancy installation engineering
The mudguard design driven by a hydraulic cylinder solves the problem of the mudguard obstructing the view and enables precise control of the trenching machine's penetration depth.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-19
- Publication Date
- 2026-04-03
AI Technical Summary
The mudguards on existing trenching machines obstruct the driver's view, making it impossible to accurately observe the depth of the cutterhead entering the soil, thus affecting the control of the trench depth.
The mudguard is driven by a hydraulic cylinder to move along an arc trajectory, and rollers slide in the sliding groove to ensure that the driver's view is not obstructed when blocking mud. The depth of the cutter head into the soil can be observed through the rearview mirror, and the depth can be judged by the annular coating.
This allows the driver to clearly observe the depth of the cutterhead in the soil while keeping the soil covered, ensuring precise control of the soil trench depth.
Smart Images

Figure CN224078275U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of water conservancy engineering and relates to a grooving mechanism for water conservancy installation projects. Background Technology
[0002] Trenching machines are needed for trenching and pipe laying in water conservancy projects. The function of a trenching machine is to dig a trench in the ground. Application document with application number CN201822242238.1 discloses a trenching machine that requires agricultural machinery for traction.
[0003] However, the existing technology has a problem: in order to guide the soil thrown by the cutterhead to fall next to the trench, the trenching machine is equipped with a mudguard. However, the mudguard will also block the driver's view. When the driver controls the trenching machine to descend, he cannot see the depth of the cutterhead into the soil, resulting in the trench depth not meeting the requirements. Utility Model Content
[0004] This invention addresses the problem that mudguards obstruct the driver's observation of the cutterhead's depth in the soil by providing a grooving mechanism for hydraulic installation projects.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a grooving mechanism for water conservancy installation engineering, comprising a support, a drive rear axle mounted on the support, a fixed shaft connected to the drive rear axle, a cutter head fixedly connected to the end of the fixed shaft away from the support, a sliding seat coaxially fixedly connected to the fixed shaft, a mudguard slidably connected to the sliding seat, a connecting shaft fixedly connected to the side of the mudguard away from the cutter head, a roller rotatably connected to the end of the connecting shaft away from the mudguard, a hydraulic cylinder fixedly connected to the support, a sliding groove fixedly connected to one end of the hydraulic cylinder, the sliding groove having a concave horizontal cross-section, and the sliding groove sleeved over the roller.
[0006] Preferably, the upper side of the sliding seat is provided with a slide rail along a semi-circular arc, and the slide rail has a T-shaped cross-section.
[0007] Preferably, a sliding plate is fixedly connected to one end of the mudguard near the sliding seat, the sliding plate is inserted into the slide rail, and the cross-section of the sliding plate is a quarter-circle arc.
[0008] Preferably, the bracket is fixedly connected to a positioning seat, the positioning seat is provided with a through hole extending vertically, and the positioning seat is provided with a first positioning hole on the side of the through hole.
[0009] Preferably, a support rod is sleeved inside the through hole, the support rod is provided with a plurality of second positioning holes, and a support wheel is rotatably connected to the lower end of the support rod.
[0010] Preferably, the cutter head has several concentric annular coatings on both sides.
[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0012] This invention uses a hydraulic cylinder to pull the mudguard along an arc trajectory. When the mudguard is close to the agricultural machinery, it blocks the mud flying towards the machinery. When the mudguard is away from the agricultural machinery, it no longer obstructs the driver's view. The driver can observe the depth of the cutter head in the soil through the rearview mirror. In addition, the side of the cutter head is provided with several annular coatings to help the driver judge the depth of the cutter head in the soil. Attached Figure Description
[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0014] Figure 1 This is a schematic diagram of a slotting mechanism used in water conservancy installation projects.
[0015] Figure 2 This is a structural schematic diagram of a slotting mechanism used in water conservancy installation projects from another perspective.
[0016] Figure 3 This is a schematic diagram of the sliding seat structure;
[0017] Figure 4 This is a schematic diagram of the mudguard structure.
[0018] In the above figures, 1. bracket; 2. drive rear axle; 3. fixed shaft; 4. cutter head; 5. sliding seat; 6. mudguard; 7. connecting shaft; 8. roller; 9. hydraulic cylinder; 10. sliding groove; 11. slide rail; 12. slide plate; 13. positioning seat; 14. support rod; 15. second positioning hole; 16. support wheel; 17. positioning bolt; 18. annular coating. Detailed Implementation
[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a grooving mechanism for water conservancy installation projects includes a support 1, a drive rear axle 2 mounted on the support 1 for connecting and transmitting power to agricultural machinery, a fixed shaft 3 connected to the drive rear axle 2, a cutter head 4 fixedly connected to the end of the fixed shaft 3 away from the support 1, the cutter head 4 being on the side of the support 1, a sliding seat 5 coaxially fixedly connected to the outside of the fixed shaft 3, a mudguard 6 slidably connected to the sliding seat 5, the mudguard 6 covering one-quarter of the cutter head 4, a connecting shaft 7 fixedly connected to the side of the mudguard 6 away from the cutter head 4, a roller 8 rotatably connected to the end of the connecting shaft 7 away from the mudguard 6, a hydraulic cylinder 9 fixedly connected to the support 1, the hydraulic cylinder 9 being supplied with hydraulic oil by the agricultural machinery and controlled by the agricultural machinery, a sliding groove 10 fixedly connected to one end of the hydraulic cylinder 9, the sliding groove 10 having a concave horizontal cross-section, and the sliding groove 10 fitting around the roller 8.
[0022] Specifically, the usage of this utility model is as follows: the sliding groove 10 is moved horizontally by the hydraulic cylinder 9, and the mudguard 6 is moved by the roller 8 in the sliding groove 10. The roller 8 moves up and down in the sliding groove 10. When the moving mudguard 6 is close to the direction of the agricultural machinery, the mudguard 6 blocks the mud flying towards the agricultural machinery, and also blocks the driver's view of the cutter head 4. When the moving mudguard 6 is away from the agricultural machinery, the mudguard 6 no longer blocks the mud flying towards the agricultural machinery, and also no longer blocks the driver's view of the cutter head 4. The driver can observe the depth of the cutter head 4 into the soil through the rearview mirror.
[0023] In order to enable the mudguard 6 to move along the arc trajectory, the present invention provides a slide 11 along the semi-circular arc on the upper side of the sliding seat 5, and the slide 11 has a T-shaped cross section.
[0024] Furthermore, a sliding plate 12 is fixedly connected to one end of the mudguard 6 near the sliding seat 5. The sliding plate 12 is inserted into the slide rail 11, and the cross-section of the sliding plate 12 is a quarter-circle arc.
[0025] Furthermore, the bracket 1 is fixedly connected to a positioning seat 13, which is located on the bracket 1 at the end away from the agricultural machinery. The positioning seat 13 is provided with a through hole that runs vertically through the machine, and a first positioning hole is provided on the side of the through hole.
[0026] Furthermore, a support rod 14 is fitted inside the through hole. The support rod 14 is provided with several second positioning holes 15, which are equidistantly arranged in the vertical direction. A support wheel 16 is rotatably connected to the lower end of the support rod 14, and the support wheel 16 is used to support the grooving machine. By aligning the first positioning hole and the second positioning hole 15, and then inserting the positioning bolt 17, the support rod 14 is positioned.
[0027] Furthermore, several concentric annular coatings 18 are provided on both sides of the cutterhead 4 to help the driver judge the depth of the cutterhead 4 into the soil.
[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A trenching mechanism for water conservancy installation engineering, comprising a support, a driving rear axle is arranged on the support, a fixed shaft is connected to the driving rear axle, and a cutter head is fixedly connected to one end of the fixed shaft away from the support, characterized in that, The fixed shaft is externally coaxially fixedly connected with a sliding seat, the sliding seat is slidingly connected with a mud guard, the mud guard is fixedly connected with a connecting shaft away from the cutter head, the connecting shaft is rotatably connected with a roller at an end away from the mud guard, the bracket is fixedly connected with a hydraulic oil cylinder, one end of the hydraulic oil cylinder is fixedly connected with a sliding groove, the horizontal section of the sliding groove is in the shape of a concave letter, and the sliding groove is sleeved on the roller.
2. The trenching mechanism for water installation works according to claim 1, characterized in that, The upper side of the sliding seat is provided with a sliding channel in a semicircular arc shape, and the section of the sliding channel is in the shape of T.
3. The trenching mechanism for water installation works according to claim 2, characterized in that, The end of the mud guard close to the sliding seat is fixedly connected with a sliding plate, the sliding plate is inserted into the sliding channel, and the section of the sliding plate is in the shape of a quarter of a circular arc.
4. The trenching mechanism for water installation works according to claim 1, wherein, The bracket is fixedly connected with a positioning seat, the positioning seat is provided with a through hole penetrating through the upper and lower sides, and the positioning seat is provided with a first positioning hole on the side of the through hole.
5. The trenching mechanism for water installation works according to claim 4, characterized in that, The through hole is sleeved with a supporting rod, the supporting rod is provided with a plurality of second positioning holes, and the lower end of the supporting rod is rotatably connected with a supporting wheel.
6. The trenching mechanism for water installation works according to claim 1, wherein, The two side surfaces of the cutter head are provided with a plurality of annular coating layers with the same center.
Citation Information
Patent Citations
Ditcher
CN209676802U