Electric power buried wire grooving device

By designing a power buried trough digging device that can adjust the spacing of the cutting knife and the depth of the buried trough, the problem that existing equipment cannot adapt to power pipelines of different specifications is solved, and the scope of application and convenience of use is improved.

CN222614354UActive Publication Date: 2025-03-14CHINA ENERGY ENG GRP NORTHEAST NO 2 ELECTRIC POWER CONSTR CO LTD
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Patent Information

Application Number
CN202421309145.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-14
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing power wire buried devices cannot adjust the spacing and groove width between the cutting tools, and cannot adapt to power pipelines of different specifications, which limits its scope of application.

Method used

A power buried trench digging device is designed to adjust the distance between the cutting tools through the spacing adjustment component, and adjust the depth of the buried trench through the height adjustment component, which is suitable for power pipes of different specifications.

Benefits of technology

It realizes the applicability of power pipelines of different specifications, improves the scope of application of equipment, and is convenient for use and promotion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric power construction, in particular to an electric power wire embedding and grooving device, which can adjust the distance between cutters and the groove width, is convenient for performing wire embedding treatment on electric power pipelines with different specifications, widens the application range, and is suitable for different grooving requirements. Comprising a base, moving wheels are installed at the four corners of the bottom of the base, sliding columns are fixedly connected to the front end and the rear end of the top of the base, a top plate is fixedly connected to the top ends of the sliding columns, a lifting plate is slidably installed on the two sliding columns, and a height adjusting assembly is installed on the left side of the base and connected with the output end of the height adjusting assembly; a distance adjusting assembly is installed at the bottom of the lifting plate, a cutting knife is rotationally installed at the lower end of the distance adjusting assembly, a driving assembly is installed at the left end of the top of the lifting plate, and the output end of the driving assembly is connected with the input end of the cutting knife.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric power construction, in particular to an electric power line burying grooving device. Background Art

[0002] Electricity is the main energy source for social development. The construction of water conservancy and hydropower projects plays a positive role in social development. In addition to irrigation and power generation, it also realizes the comprehensive use of flood control, urban water supply, water transfer, fishery, fish oil, shipping, etc., rationally allocates water resources, and produces huge economic benefits. During power construction, trenching, cable laying, backfilling and other processes are required. A trenching and wire burying device proposed by prior art publication number CN216405539U includes a frame, and the frame is provided with a trenching device and a wire burying device arranged in sequence. After the trenching device trenches, the wire burying device directly buries the silicon crystal tube into the trench to ensure work efficiency. The trenching device includes a trenching disc, which is rotatably connected to the frame, and a motor is fixed on the frame, and the motor is connected to the trenching disc through a transmission mechanism. However, it is impossible to adjust the spacing between the cutting saw blades, and it is impossible to adjust the groove width, so it is impossible to bury the power pipelines of different specifications. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a power line burying grooving device which can adjust the distance between cutting knives and adjust the groove width, thereby facilitating the burying of power pipelines of different specifications, improving the scope of application, and being suitable for different grooving needs.

[0004] The utility model discloses an electric power line burying grooving device, comprising a base, wherein moving wheels are installed at the four corners of the bottom of the base, sliding columns are fixedly connected to the front and rear ends of the top of the base, a top plate is fixedly connected to the top of the sliding column, a lifting plate is slidably installed on the two sliding columns, a height adjustment component is installed on the left side of the base, the lifting plate is connected to the output end of the height adjustment component, a spacing adjustment component is installed at the bottom of the lifting plate, a cutting knife is rotatably installed at the lower end of the spacing adjustment component, a driving component is installed on the top left end of the lifting plate, and the output end of the driving component is connected to the input end of the cutting knife; the distance between the two cutting knives can be adjusted by the spacing adjustment component, and the groove width can be adjusted, so that it is convenient to bury power pipelines of different specifications and the scope of application is improved; the cutting knife is driven to rotate by the driving component, and the lifting plate is driven to move downward by the height adjustment component to adjust the depth of the buried line groove, which is suitable for different grooving needs, convenient to use, and easy to promote.

[0005] Preferably, the height adjustment assembly includes two sliding sleeves, a threaded rod and a rotating wheel. The outer wall of the sliding column is slidably mounted with a sliding sleeve, the sliding sleeve is fixedly mounted on the front and rear sides of the lifting plate, the threaded rod is rotatably mounted on the top left end of the base, the top end of the threaded rod rotates through the top of the top plate and is fixedly connected with a rotating wheel, a turning handle is provided on the rotating wheel, a moving plate is screwed on the outer wall of the threaded rod, and the moving plate is fixedly connected to the left side wall of the lifting plate; the turning wheel is driven to rotate by the turning handle, the rotating wheel drives the threaded rod to rotate, the threaded rod drives the lifting plate to move up and down through the moving plate, and the lifting plate slides on the outer wall of the sliding column through the sliding sleeve to adjust the depth of the buried cable groove, which is suitable for different grooving needs and convenient to use.

[0006] Preferably, the spacing adjustment assembly includes a mounting seat, a rotating rod, a bevel gear, a rotating shaft, an active bevel gear, two adjusting sliders and two fixed arms. The mounting seat is fixedly connected to the bottom right side of the lifting plate, a driving cavity is opened in the middle of the mounting seat, and adjustment slide grooves are opened at the front and rear ends of the bottom of the mounting seat symmetrically about the driving cavity. The rotating rod is rotatably installed in the adjusting slide groove, and the middle part of the rotating rod is located in the driving cavity and a bevel gear is installed. The rotating shaft is rotatably installed in the middle of the right side wall of the mounting seat, and the left end of the rotating shaft extends into the driving cavity and an active bevel gear is installed, and the active bevel gear is meshed with the bevel gear. An adjusting knob is provided at the right end of the rotating shaft, and threaded grooves are symmetrically provided at the front and rear ends of the rotating rod. Two adjusting sliders are symmetrically screwed on the front and rear ends of the rotating rod. A fixed arm is fixedly connected to the bottom of the adjusting slider, and the cutting knife is rotatably installed at the lower part of the fixed arm; the rotating knob drives the active bevel gear to rotate through the rotating shaft, and the active bevel gear drives the rotating rod to rotate through the bevel gear, and the rotating rod drives the adjusting slider to move in the adjusting slide groove, so that the two fixed arms adjust the distance between the cutting knives and adjust the groove width, which is convenient for burying power pipelines of different specifications and improves the scope of application.

[0007] Preferably, the driving assembly includes a dual-output transmission, a cutting motor, two driving rotating rods, two driving wheels, two rotating wheels, two clamping wheels and two transmission chains. A driving groove is opened on the left side of the top of the lifting plate. The dual-output transmission is fixedly installed in the middle of the driving groove. The input end of the dual-output transmission is fixedly connected to the output end of the cutting motor. The front and rear output ends of the dual-output transmission are rotatably connected with the driving rotating rod. The driving rotating rod is rotatably installed in the driving groove. A plurality of spline grooves are axially opened on the outer wall of the driving rotating rod. The driving wheel is mounted on the outer wall of the driving rotating rod. The input end of the cutting knife is connected to the rotating rod. The driving wheel and the clamping wheel are rotatably installed on the outer wall of the fixed arm, and the clamping wheel, the rotating wheel and the clamping wheel are connected by a transmission chain; the cutting motor is started to rotate by driving the rotating rod, and the driving rotating rod drives the driving wheel to rotate, and the driving wheel drives the rotating wheel to rotate through the transmission chain, thereby driving the cutting knife to rotate, and the transmission chain is compressed by the clamping wheel to ensure stability during rotation. When adjusting the distance between the cutting knives, the driving wheel slides back and forth on the outer wall of the driving rotating rod, and the spline groove can avoid slippage between the driving rotating rod and the driving wheel. Cutting is performed by one motor, reducing the equipment procurement cost.

[0008] Preferably, the water spray assembly includes a water tank, a submersible pump, a water hose and two guide blocks. The water tank is fixedly installed at the bottom right end of the top plate, and a water inlet connected to the inside of the water tank is opened at the top of the top plate. Guide blocks are symmetrically installed on the front and rear sides of the water tank. The submersible pump is installed in the middle of the bottom end of the water tank. The output end of the submersible pump passes through the bottom of the water tank and is connected to a water hose. The output end of the water hose is connected to a three-way pipe. The guide block is installed on the inner wall of the fixed arm, and the cutting knife is located inside the guide block. A nozzle is installed on the outer wall of the protective cover, and the output ends of the three-way pipe on both sides are connected to the input end of the nozzle. Water is added to the water tank through the water inlet, and the submersible pump is started to extract water during cutting, and the water is input into the water hose and the three-way pipe, and sprayed into the protective cover through the nozzle to cool the cutting knife, while avoiding dust splashing and improving the service life.

[0009] Preferably, a mounting frame is fixedly connected to the right end of the base; when grooving, the cutting direction is pointed by a pointer to ensure the accuracy of the grooving direction and improve the convenience during use.

[0010] Preferably, the front and rear ends of the top left side of the base are fixedly connected with vertical rods, the top of the vertical rod is connected to the left side wall of the top plate, two cross rods are connected between the two vertical rods, and a handle is connected between the two cross rods; when in use, the handle and the cross rod are used to facilitate the pushing of the device to move, and different pushing postures are provided, which is suitable for use by different operators.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the distance between the two cutting knives can be adjusted through the spacing adjustment component, the groove width can be adjusted, and the wire burying processing of power pipelines of different specifications is convenient, and the scope of application is improved. The cutting knife is driven to rotate by the driving component, and the lifting plate is driven to move downward by the height adjustment component to adjust the depth of the buried wire groove. It is suitable for different trenching needs, easy to use, and easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a front cross-sectional structural schematic diagram of the utility model;

[0015] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model viewed from above;

[0016] Figure 5 It is a right side cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached drawings: 1. base; 2. moving wheel; 3. sliding column; 4. top plate; 5. sliding sleeve; 6. lifting plate; 7. threaded rod; 8. rotating wheel; 9. mounting seat; 10. rotating rod; 11. bevel gear; 12. rotating shaft; 13. driving bevel gear; 14. adjusting slider; 15. fixed arm; 16. cutting knife; 17. dual-output transmission; 18. cutting motor; 19. driving rotating rod; 20. driving wheel; 21. rotating wheel; 22. pressing wheel; 23. transmission chain; 24. water tank; 25. submersible pump; 26. water supply hose; 27. mounting frame; 29. ​​vertical rod; 30. horizontal rod; 31. handle; 32. guide block; 33. protective cover. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. Example

[0019] like Figures 2 to 4As shown, moving wheels 2 are installed at the four corners of the bottom of the base 1, sliding columns 3 are fixedly connected to the front and rear ends of the top of the base 1, and the top of the sliding column 3 is fixedly connected to the top plate 4. The lifting plate 6 is slidably installed on the two sliding columns 3, and the outer wall of the sliding column 3 is slidably installed with a sliding sleeve 5. The sliding sleeve 5 is fixedly installed on the front and rear sides of the lifting plate 6. The threaded rod 7 is rotatably installed on the top left end of the base 1. The top of the threaded rod 7 rotates through the top of the top plate 4 and is fixedly connected to a rotating wheel 8. The rotating wheel 8 is provided with a turning handle. The outer wall of the threaded rod 7 A movable plate is screwed on the wall, and the movable plate is fixedly connected to the left side wall of the lifting plate 6. The mounting seat 9 is fixedly connected to the bottom right side of the lifting plate 6. A driving cavity is opened in the middle of the mounting seat 9. Adjustment slide grooves are opened symmetrically about the front and rear ends of the bottom of the mounting seat 9 about the driving cavity. The rotating rod 10 is rotatably installed in the adjusting slide groove, and the middle part of the rotating rod 10 is located in the driving cavity and a bevel gear 11 is installed. The rotating shaft 12 is rotatably installed in the middle of the right side wall of the mounting seat 9, and the left end of the rotating shaft 12 extends into the driving cavity and is installed with an active bevel gear The driving bevel gear 13 is meshed with the bevel gear 11, an adjusting knob is arranged at the right end of the rotating shaft 12, thread grooves are symmetrically provided at the front and rear ends of the rotating rod 10, two adjusting sliders 14 are symmetrically screwed at the front and rear ends of the rotating rod 10, a fixed arm 15 is fixedly connected to the bottom of the adjusting slider 14, a cutting knife 16 is rotatably mounted at the lower part of the fixed arm 15, a driving groove is provided at the top left side of the lifting plate 6, a dual output transmission 17 is fixedly installed in the middle of the driving groove, and the input end of the dual output transmission 17 is connected to the cutting knife 16. The output end of the motor 18 is fixedly connected, and the output ends of the front and rear sides of the dual-output transmission 17 are rotatably connected with a driving rod 19, which is rotatably installed in the driving groove. A plurality of spline grooves are axially opened on the outer wall of the driving rod 19, and a driving wheel 20 is sleeved on the outer wall of the driving rod 19. The input end of the cutting knife 16 is connected with a rotating wheel 21, and a clamping wheel 22 is rotatably installed on the outer wall of the fixed arm 15. The clamping wheel 22, the rotating wheel 21 and the clamping wheel 22 are connected through a transmission chain 23.

[0020] The knob is turned to drive the active bevel gear 13 to rotate through the rotating shaft 12, and the active bevel gear 13 drives the rotating rod 10 to rotate through the bevel gear 11, and the rotating rod 10 drives the adjusting slider 14 to move in the adjusting slide slot, so that the two fixed arms 15 adjust the distance between the cutting blades 16, and adjust the slot width, so as to facilitate the buried wire processing of power pipelines of different specifications, improve the scope of application, start the cutting motor 18 to rotate through the driving rotating rod 19, and the driving rotating rod 19 drives the driving wheel 20 to rotate, and the driving wheel 20 drives the rotating wheel 21 to rotate through the transmission chain 23, thereby driving the cutting blade 16 to rotate, and through the pressing wheel 22 is used to compress the transmission chain 23 to ensure stability during rotation. When adjusting the distance between the cutting knives 16, the driving wheel 20 slides back and forth on the outer wall of the driving rotating rod 19. The spline groove can avoid sliding between the driving rotating rod 19 and the driving wheel 20. Cutting is performed by one motor to reduce the equipment procurement cost. The handle drives the rotating wheel 8 to rotate, and the rotating wheel 8 drives the threaded rod 7 to rotate. The threaded rod 7 drives the lifting plate 6 to move up and down through the moving plate. The lifting plate 6 slides on the outer wall of the sliding column 3 through the sliding sleeve 5 to adjust the depth of the buried cable groove. It is suitable for different grooving needs and is easy to use. Example

[0021] like Figure 1 , Figure 3 and Figure 5 As shown, on the basis of Example 1, it also includes a water tank 24 fixedly installed at the bottom right end of the top plate 4, a water inlet communicating with the inside of the water tank 24 is opened at the top of the top plate 4, guide blocks 32 are symmetrically installed on the front and rear sides of the inside of the water tank 24, a submersible pump 25 is installed in the middle of the bottom end of the water tank 24, the output end of the submersible pump 25 passes through the bottom of the water tank 24 and is connected to a water hose 26, the output end of the water hose 26 is connected to a three-way pipe, the guide block 32 is installed on the inner wall of the fixed arm 15, the cutting knife 16 is located inside the guide block 32, a nozzle is installed on the outer wall of the protective cover 33, the output ends of the two sides of the three-way pipe are connected to the input end of the nozzle, the right end of the base 1 is fixedly connected to a mounting frame 27), the right end of the mounting frame 27) is connected to a pointer 28, the front and rear ends of the top left side of the base 1 are fixedly connected to a vertical rod 29, the top of the vertical rod 29 is connected to the left side wall of the top plate 4, two cross bars 30 are connected between the two vertical rods 29, and a handle 31 is connected between the two cross bars 30;

[0022] When in use, the handle 31 and the cross bar 30 are used to facilitate the movement of the device, and different pushing postures are provided, which are suitable for use by different operators. Water is added to the water tank 24 through the water inlet. When cutting, the submersible pump 25 is started to extract water, and the water is input into the water hose 26 and the three-way pipe, and sprayed into the protective cover 33 through the nozzle to cool the cutting knife 16, while avoiding dust splashing and prolonging the service life. When grooving, the cutting direction is pointed by the pointer 28 to ensure the accuracy of the grooving direction and improve the convenience during use.

[0023] like Figures 1 to 5 As shown, the utility model is a power line burying grooving device. When it is working, the device is pushed by the handle 31 and the cross bar 30, the device is driven to move by the moving wheel 2, the cutting direction is pointed by the pointer 28 to ensure the accuracy of the grooving direction, the turning knob drives the active bevel gear 13 to rotate through the rotating shaft 12, the active bevel gear 13 drives the rotating rod 10 to rotate through the bevel gear 11, the rotating rod 10 drives the adjusting slider 14 to move in the adjusting slide groove, so that the two fixed arms 15 adjust the distance between the cutting blades 16 to adjust the groove width, the cutting motor 18 is started to rotate by driving the rotating rod 19, the driving rotating rod 19 drives the driving wheel 20 to rotate, the driving wheel 20 drives the rotating wheel 21 to rotate through the transmission chain 23, thereby driving the cutting blade 1 6 rotates, and the transmission chain 23 is compressed by the clamping wheel 22 to ensure stability during rotation. When adjusting the distance between the cutting knives 16, the driving wheel 20 slides back and forth on the outer wall of the driving rotating rod 19, and the spline groove can avoid sliding between the driving rotating rod 19 and the driving wheel 20. The handle drives the rotating wheel 8 to rotate, and the rotating wheel 8 drives the threaded rod 7 to rotate. The threaded rod 7 drives the lifting plate 6 to move up and down through the moving plate, and the lifting plate 6 slides on the outer wall of the sliding column 3 through the sliding sleeve 5 to adjust the depth of the buried cable groove, and water is added to the water tank 24 through the water inlet. When cutting, the submersible pump 25 is started to extract water, and the water is input into the water hose 26 and the three-way pipe, and sprayed into the protective cover 33 through the nozzle, so as to cool the cutting knife 16 and avoid dust splashing.

[0024] The dual-output transmission 17, cutting motor 18 and submersible pump 25 of the electric power line burying grooving device of the utility model are purchased on the market. The technicians in the industry only need to install and operate them according to the accompanying instruction manual without the need for the technicians in this field to make creative efforts.

[0025] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A power line grooving device, characterized in that: The invention comprises a base (1), wherein moving wheels (2) are installed at the four corners of the bottom of the base (1), sliding columns (3) are fixedly connected to the front and rear ends of the top of the base (1), and the top of the sliding column (3) is fixedly connected to the top plate (4), and a lifting plate (6) is slidably installed on the two sliding columns (3). A height adjustment component is installed on the left side of the base (1), and the lifting plate (6) is connected to the output end of the height adjustment component. A spacing adjustment component is installed at the bottom of the lifting plate (6), and a cutting knife (16) is rotatably installed at the lower end of the spacing adjustment component. A driving component is installed at the left end of the top of the lifting plate (6), and the output end of the driving component is connected to the input end of the cutting knife (16).

2. A power line burying trenching device as claimed in claim 1, characterized in that: The height adjustment assembly comprises two sliding sleeves (5), a threaded rod (7) and a rotating wheel (8); the sliding sleeve (5) is slidably mounted on the outer wall of the sliding column (3); the sliding sleeve (5) is fixedly mounted on the front and rear sides of the lifting plate (6); the threaded rod (7) is rotatably mounted on the top left end of the base (1); the top end of the threaded rod (7) rotatably passes through the top of the top plate (4) and is fixedly connected to the rotating wheel (8); a turning handle is provided on the rotating wheel (8); a moving plate is screwed on the outer wall of the threaded rod (7); and the moving plate is fixedly connected to the left side wall of the lifting plate (6).

3. The power line burying trenching device according to claim 1, characterized in that: The spacing adjustment component comprises a mounting seat (9), a rotating rod (10), a bevel gear (11), a rotating shaft (12), an active bevel gear (13), two adjustment sliders (14) and two fixed arms (15). The mounting seat (9) is fixedly connected to the right side of the bottom of the lifting plate (6). A driving cavity is provided in the middle of the mounting seat (9). Adjustment slide grooves are provided at the front and rear ends of the bottom of the mounting seat (9) symmetrically with respect to the driving cavity. The rotating rod (10) is rotatably mounted in the adjustment slide groove. The middle of the rotating rod (10) is located in the driving cavity and is provided with a bevel gear (11). The shaft (12) is rotatably mounted on the middle of the right side wall of the mounting seat (9). The left end of the rotating shaft (12) extends into the driving cavity and is mounted with an active bevel gear (13). The active bevel gear (13) is meshed with the bevel gear (11). The right end of the rotating shaft (12) is provided with an adjustment knob. The front and rear ends of the rotating rod (10) are symmetrically provided with thread grooves. Two adjustment sliders (14) are symmetrically screwed on the front and rear ends of the rotating rod (10). The bottom of the adjustment slider (14) is fixedly connected with a fixed arm (15). The cutting knife (16) is rotatably mounted on the lower part of the fixed arm (15).

4. A power line burying trenching device as claimed in claim 3, characterized in that: The driving assembly comprises a dual-output transmission (17), a cutting motor (18), two driving rotating rods (19), two driving wheels (20), two rotating wheels (21), two clamping wheels (22) and two transmission chains (23). A driving groove is provided on the left side of the top of the lifting plate (6). The dual-output transmission (17) is fixedly mounted in the middle of the driving groove. The input end of the dual-output transmission (17) is fixedly connected to the output end of the cutting motor (18). The output ends of the dual-output transmission (17) on both the front and rear sides are rotatably connected to the driving rotating rods (19). The driving rotating rods (19) are rotatably mounted in the driving groove. A plurality of spline grooves are axially provided on the outer wall of the driving rotating rod (19). The driving wheel (20) is sleeved on the outer wall of the driving rotating rod (19). The input end of the cutting blade (16) is connected to the rotating wheel (21). A clamping wheel (22) is rotatably mounted on the outer wall of the fixed arm (15). The clamping wheel (22), the rotating wheel (21) and the clamping wheel (22) are transmission-connected via the transmission chain (23).

5. The power line burying trenching device according to claim 3, characterized in that: The water spray assembly comprises a water tank (24), a submersible pump (25), a water delivery hose (26) and two guide blocks (32). The water tank (24) is fixedly mounted at the right end of the bottom of the top plate (4). A water inlet communicating with the inside of the water tank (24) is provided at the top of the top plate (4). The guide blocks (32) are symmetrically mounted on the front and rear sides of the inside of the water tank (24). The submersible pump (25) is mounted at the middle of the bottom of the water tank (24). The output end of the submersible pump (25) passes through the bottom of the water tank (24) and is connected to the water delivery hose (26). The output end of the water delivery hose (26) is connected to a three-way pipe. The guide block (32) is mounted on the inner wall of the fixed arm (15). The cutting knife (16) is located inside the guide block (32). A nozzle is mounted on the outer wall of the protective cover (33). The output ends of the two sides of the three-way pipe are connected to the input end of the nozzle.

6. The power line burying trenching device according to claim 1, characterized in that: The right end of the base (1) is fixedly connected to a mounting frame (27), and the right end of the mounting frame (27) is connected to a pointing mark (28).

7. The power line burying trenching device according to claim 1, characterized in that: A vertical rod (29) is fixedly connected to the front and rear ends of the left top of the base (1); the top of the vertical rod (29) is connected to the left side wall of the top plate (4); two cross rods (30) are connected between the two vertical rods (29); and a handle (31) is connected between the two cross rods (30).

Citation Information

Patent Citations

  • Ditching and wire embedding device

    CN216405539U