Drainage ditch excavating device with soil conveying structure

By designing a liftable conveyor and excavator structure, the conveyor belt tension and excavator plate limit are automatically released, solving the problem of cumbersome conveyor belt replacement in existing devices and achieving efficient equipment maintenance and continuous operation.

CN120906104APending Publication Date: 2025-11-07JINTIAN IND DEV (SHANDONG) GRP CO LTD +2
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Patent Information

Application Number
CN202511369830.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-24
Publication Date
2025-11-07

AI Technical Summary

Technical Problem

The conveyor belt replacement operation of existing drainage ditch excavation equipment is cumbersome, affecting the continuous operation capability of the equipment, and the replacement efficiency is low, especially in field scenarios.

Method used

The design incorporates a liftable conveyor and digging structure, which automatically releases the tension of the conveyor belt when not in use, facilitating disassembly and replacement. The digging discs are also designed for rapid separation via the automatic outward movement of limiting components and an anti-wear turntable.

Benefits of technology

This improves the ease of conveyor belt replacement and the efficiency of digging disc replacement, avoids prolonged equipment downtime, and ensures continuous equipment operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a drainage ditch excavating device with a soil conveying structure, and relates to the technical field of hydraulic engineering, the drainage ditch excavating device comprises a main body, the front end of the main body is fixedly provided with a guide rod A; a conversion plate is fixedly mounted at the rear end of the right side of the top of the main body; a conversion groove is formed in the left side of the conversion plate; a fixed shaft B is rotationally mounted at the top position of the rear end of the left side of the supporting frame; and a conveying hopper is fixedly mounted at the rear end of the supporting frame. After the conveying structure and the excavating structure ascend, a movable shaft in the conveying structure can automatically move forwards to release the tensioning state of the conveying belt, at the moment, the conveying belt can be easily detached and replaced, replacement convenience is greatly improved, long-time shutdown of equipment caused by replacement operation is avoided, and the problem that the conveying belt is installed on a conveying roller in a tensioning mode is solved. The problems of complex operation in the replacement process, low disassembly and assembly efficiency and direct influence on the continuous operation capability of the equipment especially in a field operation scene are solved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic engineering, and particularly relates to a drainage ditch digging device with a soil conveying structure. BACKGROUND

[0002] Drainage ditch excavation is a key link for ensuring water system unobstructed and preventing waterlogging in hydraulic engineering, and the construction quality directly affects the overall function of the hydraulic facilities. The implementation of such projects cannot be separated from professional ditch digging devices. Such devices realize accurate excavation of the ditch through mechanized operation, laying a foundation for subsequent lining, seepage prevention and other processes of the drainage ditch. For example, a patent with the application number CN202110039713.9 discloses a portable ditching device for hydraulic engineering, which adjusts the depth of the ditch according to the use of the conveying member, and facilitates the excavation of the ditch.

[0003] The existing digging device similar to the above is usually equipped with a conveying belt as a conveying structure to convey the excavated soil to both sides of the drainage ditch during operation. However, the conveying belt is a vulnerable part that needs to be replaced regularly as the use time increases. Due to the installation mode of being tensioned on the conveying roller, the replacement process is complicated and the disassembly efficiency is low. Especially in the field operation scene, it will directly affect the continuous operation ability of the equipment. SUMMARY

[0004] The present application relates to a drainage ditch digging device with a soil conveying structure, which sets the conveying structure and the digging structure in the digging device as liftable. The lifting feature can not only dig drainage ditches of different depths according to the requirements, but also cancel the tensioning of the conveying belt when the device enters the non-use state after the conveying structure and the digging structure are lifted. This is beneficial to the disassembly and replacement of the conveying belt, improves the replacement convenience of the conveying belt, and does not delay the normal work of the digging device due to the replacement of the conveying belt. After the digging structure in the present digging device is lifted into the non-use state, the limiting member and the wear-resistant disc for limiting the position of the clamping head will automatically move outward, canceling the resistance and limiting of the outer end of the clamping head. Thus, the clamping head can be pulled out from the inside of the clamping groove by pulling the digging piece outward, completing the disassembly and separation of the digging piece and the mounting seat, and improving the replacement efficiency of the digging piece of the present digging device.

[0005] The application discloses a drainage ditch digging device with a soil conveying structure, and specifically comprises a main body, a guide rod A is fixedly installed at the front end of the main body, a conversion plate is fixedly installed at the rear end of the right top of the main body, a conversion groove is formed in the left side of the conversion plate, a guide rod B is fixedly installed at the right side in the main body, a supporting frame is slidably sleeved on the guide rod B, a fixed shaft A is rotatably installed at the bottom of the front left side of the supporting frame, a fixed shaft B is rotatably installed at the top of the rear left side of the supporting frame, a conveying hopper is fixedly installed at the rear end of the supporting frame, a loosening sliding seat is slidably installed at the bottom of the rear end of the supporting frame, a movable shaft is rotatably installed on the loosening sliding seat, a conversion column is fixedly installed at the top of the right side of the loosening sliding seat, the conveying belt is jointly and tightly installed on the fixed shaft A, the fixed shaft B and the movable shaft, a sliding block is slidably sleeved on the guide rod A, a ditching shaft is rotatably installed at the inner side of the sliding block, and the ditching shaft is connected with the fixed shaft A through a chain wheel and a chain.

[0006] Further, a push cylinder A is fixedly installed at the top front side of the main body, a push cylinder B is fixedly installed at the top right side of the main body, and the output shaft of the push cylinder B is connected with the supporting frame.

[0007] Further, the output shaft of the push cylinder A is connected with the sliding block, the top pushing piece is fixedly installed at the bottom end of the guide rod A, and the conversion plate is in an L-shaped structure.

[0008] Further, the top end of the conversion groove is in an inclined structure, a conveying motor is fixedly installed at the top of the rear right end of the supporting frame, and the output shaft of the conveying motor is connected with the right side of the fixed shaft B.

[0009] Further, the spring is jointly embedded between the loosening sliding seat and the supporting frame, and the conversion column is slidably installed in the conversion groove.

[0010] Further, the mounting seat is fixedly installed at the central position of the ditching shaft, the mounting groove is formed in the outer wall of the mounting seat, and the digging piece is inserted into the mounting groove.

[0011] Further, the clamping grooves are formed in the left and right ends of the digging piece, the positioning seat is fixedly installed on the circumferential outer wall of the ditching shaft, and the clamping head is slidably installed in the positioning seat through the spring.

[0012] Further, the inner end of the clamping head is in a hemispherical structure, the inner end of the clamping head is clamped in the clamping groove, and the sliding rod is slidably installed in the inner side of the sliding block.

[0013] Further, the outer end of the sliding rod is fixedly installed with the stress plate, the bottom end of the stress plate is in an inclined structure, and the inclined surface of the stress plate is attached to the top of the top pushing piece.

[0014] Furthermore, a limiting component is fixedly installed at the inner end of the slide rod; a spring is embedded between the outer side of the limiting component and the inner side of the slide block; and an anti-wear turntable is rotatably installed on the inner side of the limiting component via ball bearings.

[0015] This invention provides a drainage ditch excavation device with a soil conveying structure, which has the following beneficial effects: (i) This excavation device is designed with both the conveying structure and the excavation structure as liftable. This feature not only meets the excavation needs of drainage ditches of different depths, but also shows significant advantages when the equipment is not in use. When the conveying structure and the excavation structure are raised, the movable shaft in the conveying structure will move forward automatically, so that the conveyor belt is released from tension. At this time, the conveyor belt can be easily disassembled and replaced, which greatly improves the convenience of replacement and avoids long-term downtime of the equipment due to replacement operations.

[0016] (ii) When the excavation structure is raised to the non-use state, the limiting component and anti-wear turntable used to limit the position of the chuck will automatically move outward, releasing the blocking and limiting of the outer end of the chuck. At this time, it is only necessary to pull the excavating plate outward to make the chuck come out of the slot, realizing the rapid separation of the excavating plate from the mounting base, which significantly improves the replacement efficiency of the excavating plate. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0018] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0019] In the attached diagram: Figure 1 A schematic diagram of the overall structure of the present invention is shown; Figure 2 A schematic diagram of a half-section of the guide rod A of the present invention is shown; Figure 3 A schematic diagram of a half-section of the mounting base of the present invention is shown; Figure 4 A schematic diagram of the slider and grooved shaft structure of the present invention is shown; Figure 5 A schematic diagram of the force-bearing block and digging plate structure of the present invention is shown; Figure 6 A schematic diagram of the conveyor belt split state structure of the present invention is shown; Figure 7 The present invention is shown Figure 6 Another perspective structural diagram; Figure 8 A schematic diagram of the loosening slide and movable shaft structure of the present invention is shown; List of reference numerals 1, main body; 101, push cylinder A; 102, push cylinder B; 103, guide rod A; 104, top pushing piece; 105, conversion plate; 106, conversion groove; 107, guide rod B; 108, support frame; 109, fixed shaft A; 1010, fixed shaft B; 1011, conveying motor; 1012, conveying bucket; 1013, loose sliding seat; 1014, movable shaft; 1015, conversion column; 1016, conveying belt; 2, sliding block; 201, ditching shaft; 202, mounting seat; 203, mounting groove; 204, digging piece; 205, clamping groove; 206, positioning seat; 207, clamping head; 208, sliding rod; 209, stress plate; 2010, limiting piece; 2011, anti-wear rotating disc. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without any creative effort fall within the scope of protection of the present application.

[0021] Please refer to Figures 1 to 8 : Embodiment one The application provides a drainage ditch digging device with a soil conveying structure, which comprises a main body 1, a guide rod A 103 is fixedly installed at the front end of the main body 1, a conversion plate 105 is fixedly installed at the rear end of the right top of the main body 1, a conversion groove 106 is formed in the left side of the conversion plate 105, a guide rod B 107 is fixedly installed at the right side in the main body 1, a support frame 108 is slidingly installed on the guide rod B 107, a fixed shaft A 109 is rotationally installed at the bottom position of the left front end of the support frame 108, a fixed shaft B 1010 is rotationally installed at the top position of the left rear end of the support frame 108, a conveying hopper 1012 is fixedly installed at the rear end of the support frame 108, a loosening sliding seat 1013 is slidingly installed at the bottom rear end of the support frame 108, a movable shaft 1014 is rotationally installed on the loosening sliding seat 1013, a conversion column 1015 is fixedly installed at the right top of the loosening sliding seat 1013, the conveying belt 1016 is commonly and tightly installed on the fixed shaft A 109, the fixed shaft B 1010 and the movable shaft 1014, a sliding block 2 is slidingly installed on the guide rod A 103, a ditching shaft 201 is rotationally installed at the inner side of the sliding block 2, the ditching shaft 201 is connected with the fixed shaft A 109 through a chain wheel and a chain, the conveying motor 1011 is started, the conveying motor 1011 rotates with the fixed shaft B 1010, the fixed shaft B 1010 cooperates with the fixed shaft A 109 and the movable shaft 1014 to drive the conveying belt 1016 to rotate, the fixed shaft A 109 rotates with the ditching shaft 201 under the action of the chain wheel and the chain in the running process, the ditching shaft 201 rotates with the mounting seat 202 and the digging piece 204, the digging piece 204 digs the ground through rotation, realizes ditching, and the dug soil is thrown on the conveying belt 1016 by the digging piece 204, the conveying belt 1016 conveys the soil into the conveying hopper 1012, and finally the soil is guided to the two sides of the ditch by the conveying hopper 1012.

[0022] In example two, on the basis of example one, the top front side of the main body 1 is fixedly installed with a push cylinder A101; the top right side of the main body 1 is fixedly installed with a push cylinder B102; the output shaft of the push cylinder B102 is connected with the support frame 108; the output shaft of the push cylinder A101 is connected with the sliding block 2; the inside bottom end of the guide rod A103 is fixedly installed with a jacking piece 104; the conversion plate 105 is of L-shaped structure; the top end of the conversion groove 106 is of inclined structure; the top position of the right rear end of the support frame 108 is fixedly installed with a conveying motor 1011; the output shaft of the conveying motor 1011 is connected with the right side of the fixed shaft B1010; the loosening sliding seat 1013 is jointly embedded with a spring between the support frame 108; the conversion column 1015 is slidingly installed in the inside of the conversion groove 106; the center position of the ditching shaft 201 is fixedly installed with a mounting seat 202; the outer wall of the mounting seat 202 is provided with a mounting groove 203; the inside of the mounting groove 203 is inserted with a digging piece 204; after digging, the push cylinder A101 and the push cylinder B102 operate, at the same time control the digging structure and the conveying structure to rise, after rising to a certain position, the jacking piece 104 no longer jacks the limiting plate 209, the sliding rod 208 moves out with the limiting piece 2010 and the anti-wear rotating disc 2011 under the action of the spring, the anti-wear rotating disc 2011 cancels the resistance to the outer end of the clamp 207 by moving out, at this time the digging piece 204 is in the state of not being used after rising, manual pulling can take out the digging piece 204 from the inside of the mounting groove 203; The conveying structure and the digging structure in the digging device are set to be liftable, the lifting characteristic can not only dig drainage ditches of different depths according to needs, but also when the device enters the state of not being used after the conveying structure and the digging structure rise, the movable shaft 1014 in the conveying structure will move forward, thereby canceling the tensioning of the conveying belt 1016, which is beneficial to dismounting and replacing the conveying belt 1016, improves the convenience of replacing the conveying belt 1016, and does not delay the normal work of the digging device for a long time due to replacing the conveying belt 1016.

[0023] The embodiment three is based on the embodiment two, the left and right ends of the digging piece 204 are provided with clamping grooves 205; the circumferential outer wall of the ditching shaft 201 is fixedly provided with a positioning seat 206; the inner part of the positioning seat 206 is slidably provided with a clamping head 207 through a spring; the inner end of the clamping head 207 is in a hemispherical structure; the inner end of the clamping head 207 is clamped in the inner part of the clamping groove 205; the inner part of the sliding block 2 is slidably provided with a sliding rod 208; the outer end of the sliding rod 208 is fixedly provided with a stress plate 209; the bottom end of the stress plate 209 is in an inclined structure; the inclined surface of the stress plate 209 is attached to the top of the pushing piece 104; the inner side of the limiting piece 2010 is fixedly provided with a sliding rod 208; the outer side and the inner side of the sliding block 2 are jointly provided with a spring; the inner side of the limiting piece 2010 is rotatably provided with an anti-wear turntable 2011 through a ball; after the conveying structure rises to a certain position, the conversion column 1015 will use the inclined structure of the conversion groove 106 to cooperate with the spring to move the loosening sliding seat 1013 and the movable shaft 1014 forward, so that the movable shaft 1014 cancels the tensioning of the conveying belt 1016 by moving forward, thereby facilitating the workers to disassemble and replace the conveying belt 1016 in the loosening state from the left side of the device; After the digging structure in the digging device rises into the non-use state, the limiting piece 2010 and the anti-wear turntable 2011 for limiting the position of the clamping head 207 automatically move outward, canceling the resistance limiting of the outer end of the clamping head 207, so that the clamping head 207 can be withdrawn from the inner part of the clamping groove 205 by pulling the digging piece 204 outward, completing the disassembly and separation of the digging piece 204 and the mounting seat 202, and improving the replacement efficiency of the digging piece 204 of the digging device.

[0024] The working principle of the embodiment is as follows: in use, the conveying motor 1011 is started to drive the fixed shaft B 1010 to rotate, and the conveying belt 1016 is driven to rotate through the cooperation of the fixed shaft A 109 and the movable shaft 1014. In this process, the fixed shaft A 109 drives the ditching shaft 201 to rotate through chain and sprocket transmission, so that the mounting seat 202 and the digging piece 204 rotate with it. The digging piece 204 realizes ground excavation by rotating, forming a trench. At the same time, the soil produced by digging is thrown by the digging piece 204 onto the conveying belt 1016, conveyed by the conveying belt 1016 into the conveying hopper 1012, and finally discharged by the conveying hopper 1012 to the sides of the trench; After the digging operation is completed, the push cylinder A 101 and the push cylinder B 102 are started to control the digging structure and the conveying structure to rise synchronously. When rising to a certain position, the pushing piece 104 releases the pushing limiting of the stress plate 209, the sliding rod 208 drives the limiting piece 2010 and the anti-wear turntable 2011 to move outward under the action of the spring return force, so that the anti-wear turntable 2011 is separated from the resistance of the outer end of the clamping head 207. At this time, the digging piece 204 is in the non-use state after rising, and the operator only needs to pull it out of the mounting groove 203. At the same time, after the conveying structure rises to the corresponding position, the conversion column 1015 drives the loosening slide 1013 and the movable shaft 1014 to move forward by the spring driving force through the inclined structure of the conversion groove 106, and the movable shaft 1014 is released from the tension constraint on the conveying belt 1016 through displacement, so that the conveying belt 1016 in a relaxed state can be conveniently disassembled and replaced by the staff from the left side of the device.

[0025] In this article, the following points need attention: 1. The drawings of the embodiments of the present application only involve the structures involved in the embodiments of the present application, and other structures can refer to the general design.

[0026] 2. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined to obtain new embodiments.

[0027] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A trench excavating apparatus with soil delivery structure, characterized by comprising: The utility model provides a kind of ditching machine, including: The front end of the main body (1) is fixedly installed with guide rod A (103);The rear end of the top right side of the main body (1) is fixedly installed with conversion plate (105);The left side of the conversion plate (105) is provided with conversion groove (106);The inside right side of the main body (1) is fixedly installed with guide rod B (107);The support frame (108) is slidably installed on the guide rod B (107);The bottom position of the left side front end of the support frame (108) is rotatably installed with fixed shaft A (109);The top position of the left side rear end of the support frame (108) is rotatably installed with fixed shaft B (1010);The rear end of the support frame (108) is fixedly installed with conveying hopper (1012);The bottom rear end of the support frame (108) is slidably installed with loose slide (1013);The loose slide (1013) is rotatably installed with movable shaft (1014);The right side top of the loose slide (1013) is fixedly installed with conversion column (1015);The fixed shaft A (109), fixed shaft B (1010) and movable shaft (1014) are jointly tensioned with conveying belt (1016);The guide rod A (103) is slidably installed with sliding block (2);The inside of the sliding block (2) is rotatably installed with ditching shaft (201);The fixed shaft A (109) is connected with the ditching shaft (201) by sprocket and chain.

2. The trenching apparatus with soil delivery structure of claim 1, wherein, The top front side of the main body (1) is fixedly installed with push cylinder A (101);The top right side of the main body (1) is fixedly installed with push cylinder B (102);The output shaft of the push cylinder B (102) is connected with the support frame (108).

3. The trenching apparatus with soil delivery structure of claim 2, wherein, The output shaft of the push cylinder A (101) is connected with the sliding block (2);The inside bottom end of the guide rod A (103) is fixedly installed with pushing piece (104);The conversion plate (105) is L-shaped structure.

4. The trenching apparatus with soil delivery structure of claim 3, wherein, The top end of the conversion groove (106) is inclined structure;The top position of the right side rear end of the support frame (108) is fixedly installed with conveying motor (1011);The output shaft of the conveying motor (1011) is connected with the right side of the fixed shaft B (1010).

5. The trenching apparatus with soil delivery structure of claim 4, wherein, The spring is jointly embedded between the loose slide (1013) and the support frame (108);The conversion column (1015) is slidably installed in the inside of the conversion groove (106).

6. The trenching apparatus with soil delivery structure of claim 5, wherein, The center position of the ditching shaft (201) is fixedly installed with mounting seat (202);The outer wall of the mounting seat (202) is provided with mounting groove (203);The inside of the mounting groove (203) is inserted with digging piece (204).

7. The trenching apparatus with soil delivery structure of claim 6, wherein, The left and right ends of the digging piece (204) are provided with clamping groove (205);The circumferential outer wall of the ditching shaft (201) is fixedly installed with positioning seat (206);The inside of the positioning seat (206) is slidably installed with clamping head (207) by spring.

8. The trenching apparatus with soil delivery structure of claim 7, wherein, The inner end of the clamping head (207) is hemispherical structure;The inner end of the clamping head (207) is clamped in the inside of the clamping groove (205);The inside of the sliding block (2) is slidably installed with slide rod (208).

9. The trenching apparatus with soil delivery structure of claim 8, wherein, The outer end of the sliding rod (208) is fixedly provided with a stress plate (209); the bottom end of the stress plate (209) is of an inclined structure; the inclined surface of the stress plate (209) is attached to the top of the pushing piece (104).

10. The trenching apparatus with soil delivery structure of claim 9, wherein, The inner end of the sliding rod (208) is fixedly provided with a limiting piece (2010); the outer side of the limiting piece (2010) and the inner side of the sliding block (2) are jointly provided with a spring; the inner side of the limiting piece (2010) is rotatably provided with an anti-abrasion rotating disc (2011) through balls.

Citation Information

Patent Citations

  • Portable ditching device for water conservancy project

    CN112878402A