Slope repairing device for quick-change connector at front end of excavator bucket rod

Abstract

The invention relates to the technical field of building construction, in particular to a slope repairing device for a quick-change connector at the front end of a bucket rod of an excavator. Comprising a fixing head detachably connected with the front end of the excavator, a longitudinally-arranged connecting rod is fixed to the fixing head, a supporting rod is obliquely arranged at the bottom end of the connecting rod, a U-shaped connecting base is arranged on one side of the connecting rod, a length adjusting mechanism is arranged between the connecting base and the connecting rod, and a slope repairing mechanism with an adjustable inclination angle is arranged between the connecting base and the end of the supporting rod. Excessive dependence on artificial experience in construction can be effectively overcome, and gradient control consistency is remarkably improved through unique mechanical structure design; the device forms a stable angle reference, so that operation errors and time consumption caused by visual inspection judgment and repeated rechecking are reduced; the safety risk that constructors conduct manual recheck on the edge of a pit is reduced, and on the premise that construction safety is guaranteed, the operation efficiency of slope trimming and the precision of a formed slope surface are improved.

Description

Technical Field

[0001] This invention relates to the field of building construction technology, specifically a slope trimming device for a quick-change joint at the front end of an excavator boom. Background Technology

[0002] In the field of building construction, foundation pit excavation is a fundamental and crucial operational step. To ensure the stability of the foundation pit slope and prevent soil collapse, slope protection is often used during construction, and the accurate control of the slope coefficient is directly related to the safety and quality of the project.

[0003] Currently, in the process of foundation pit sloping construction, the control of the slope coefficient largely relies on the experience of construction workers and simple tools. A common practice is to mark the upper and lower edges of the foundation pit, and then, based on experience, excavate downwards along the lower edge to a certain depth, then excavate along the upper edge to the corresponding depth, repeating this process to create the slope. This method requires repeated adjustments to the slope, is time-consuming, and relies primarily on the experience of the excavator operator and on-site verification during construction, making it difficult to accurately achieve the designed slope ratio. Furthermore, on-site verification during earthwork operations poses significant safety hazards and affects overall construction efficiency. While some existing slope control devices can roughly determine the slope by visually inspecting a horizontal bar, they still fall short of achieving precise and efficient slope control, lacking in both detection accuracy and ease of operation. Summary of the Invention

[0004] The present invention aims to solve the above-mentioned problems, thereby providing a slope repair device for a quick-change joint at the front end of an excavator boom that improves slope accuracy.

[0005] The technical solution adopted by the present invention to solve the aforementioned problem is as follows: A slope-repairing device for a quick-change connector at the front end of an excavator boom includes a fixed head detachably connected to the front end of the excavator. A longitudinally arranged connecting rod is fixed on the fixed head. A support rod is inclinedly provided at the bottom end of the connecting rod. A U-shaped connecting seat is provided on one side of the connecting rod. A length adjustment mechanism is provided between the connecting seat and the connecting rod. An angle-adjustable slope-repairing mechanism is provided between the connecting seat and the end of the support rod.

[0006] The present invention, which adopts the above technical solution, has the following prominent features compared with the prior art: The device connects conveniently to the excavator's boom via a quick-connect coupling, utilizing the excavator's power and maneuverability for horizontal slope trimming. The device continuously shapes a smooth slope through lateral movement. It effectively overcomes excessive reliance on manual experience during construction, significantly improving the consistency of slope control through its unique mechanical structure design. The device itself provides a stable angular reference, reducing operational errors and time consumption caused by visual judgment and repeated checks. Furthermore, by integrating slope trimming and slope control, the device reduces the safety risks of manual checks by construction personnel at the edge of the pit, helping to improve the efficiency and accuracy of slope trimming while ensuring construction safety.

[0007] As a preferred embodiment, a further technical solution of the present invention is: Furthermore, the length adjustment mechanism includes an adjusting screw, one end of which is rotatably connected to the end of the connecting seat. A threaded hole is provided on the connecting rod, and the other end of the adjusting screw passes through the threaded hole and is fitted with a locking nut. The structure allows the relative distance between the connecting seat and the connecting rod to be changed by rotating the adjusting screw, thereby driving the adjustment frame connected to it to move. This provides an adjustment basis for precisely controlling the working angle of the tool holder and helps to adapt to different slope requirements.

[0008] Furthermore, the slope repair mechanism includes a tool holder, with a connecting block hinged to the end of the support rod at the bottom and an adjustment frame at the top. The adjustment frame is movable within the opening of the connecting seat, and a long strip-shaped adjustment port is provided in the middle of the adjustment frame. A rotating rod is fixed inside the opening of the connecting seat, and the adjustment frame is movably mounted on the rotating rod through the adjustment port. This structure allows the adjustment frame to slide along the rotating rod, and the tilt angle of the tool holder can be adjusted by changing its position in the adjustment port, thus achieving stepless adjustment of the slope repair tilt angle and improving the adaptability of the device to different working conditions.

[0009] Furthermore, the end of the support rod is positioned closer to the fixed head in the horizontal direction than the axis of the rotating rod, causing the tool holder to tilt backwards in a working posture.

[0010] Furthermore, the tool holder includes a lower support plate and an upper support plate, the lower support plate is connected to the connecting block, and the upper support plate is connected to the adjusting frame. A curved shovel plate is symmetrically arranged between the two sides of the lower and upper support plates. The inner arc of the shovel plate faces inward, and the shovel plates on both sides converge inward from top to bottom. The curved and inward-convex shovel plate structure guides and gathers the soil during operation, which may help improve the continuity and smoothness of slope trimming.

[0011] Furthermore, the fixing head is U-shaped, with the bottom of the opening of the fixing head fixed to the connecting rod. The opening of the fixing head has connection holes on both sides. The U-shaped structure and the connection holes on both sides are designed to match the common quick-connect coupling type, which is intended to make the installation and disassembly process of the device and the excavator stick more convenient and improve construction efficiency. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present invention; Figure 2 This is a schematic diagram of the main structure of an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure before operation in an embodiment of the present invention; Figure 4 This is a schematic diagram of the structure during operation of an embodiment of the present invention; Figure 5 This is a three-dimensional connection structure diagram of the slope repair mechanism according to an embodiment of the present invention; The components in the diagram are labeled as follows: 1. Fixed head; 2. Connecting rod; 3. Support rod; 4. Connecting seat; 5. Adjusting screw; 6. Tool holder; 7. Connecting block; 8. Adjusting frame; 9. Shovel plate. Detailed Implementation

[0013] The present invention will be further described below with reference to embodiments, which are intended only to provide a better understanding of the invention. Therefore, the examples given do not limit the scope of protection of the present invention.

[0014] A slope-repairing device for a quick-change connector at the front end of an excavator boom includes a fixed head 1 detachably connected to the front end of the excavator. A longitudinally arranged connecting rod 2 is fixed on the fixed head 1. A support rod 3 is inclinedly arranged at the bottom end of the connecting rod 2. The end of the support rod 3 away from the connecting rod 2 is inclined downward. The connecting rod 2 and the support rod 3 are integrally formed. A U-shaped connecting seat 4 is provided on one side of the connecting rod 2. A length adjustment mechanism is provided between the connecting seat 4 and the connecting rod 2. An angle-adjustable slope-repairing mechanism is provided between the connecting seat 4 and the end of the support rod 3.

[0015] Furthermore, the length adjustment mechanism includes an adjusting screw 5, which is horizontally arranged. One end of the adjusting screw 5 is rotatably connected to the end of the connecting seat 4. A threaded hole is provided on the connecting rod 2. The other end of the adjusting screw 5 passes through the threaded hole and is fitted with a locking nut. The structure allows the relative distance between the connecting seat 4 and the connecting rod 2 to be changed by rotating the adjusting screw 5, thereby driving the adjustment frame 8 connected to it to move. This provides an adjustment basis for precisely controlling the working angle of the tool holder 6 and helps to adapt to different slope requirements.

[0016] Furthermore, the slope repair mechanism includes a tool holder 6, with a connecting block 7 at the bottom of the tool holder 6 that is hinged to the end of the support rod 3. The end of the support rod 3 has a U-shaped positioning seat with a hinge shaft inside. The top of the tool holder 6 has an adjusting frame 8 that moves within the opening of the connecting seat 4. The middle of the adjusting frame 8 has a long, narrow adjusting port with a width that matches the diameter of the rotating rod. The rotating rod is fixed inside the opening of the connecting seat 4. The adjusting frame 8 is movably mounted on the rotating rod through the adjusting port. The adjusting port slides along the length of the rotating rod and can rotate along the rotating rod. This structure allows the adjusting frame 8 to slide along the rotating rod. By changing its position in the adjusting port, the tilt angle of the tool holder 6 can be adjusted, thus achieving slope repair tilt angle adjustment and improving the device's adaptability to different working conditions.

[0017] Furthermore, the end of the support rod 3 is positioned closer to the fixed head 1 in the horizontal direction than the axis of the rotating rod, causing the tool holder 6 to assume a backward tilting working posture.

[0018] Furthermore, the tool holder 6 includes a lower support plate and an upper support plate, the lower support plate is connected to the connecting block 7, and the upper support plate is connected to the adjusting frame 8. A curved shovel plate 9 is symmetrically arranged between the two sides of the lower and upper support plates. The inner arc of the shovel plate 9 faces inward, and the two shovel plates 9 on both sides converge inward from top to bottom. The curved and inward-convex shovel plate 9 structure has a guiding and converging effect on the soil during operation, which may help improve the continuity and smoothness of slope trimming.

[0019] Furthermore, the fixing head 1 is U-shaped, and the bottom of the opening of the fixing head 1 is fixed to the connecting rod 2. The opening of the fixing head 1 is provided with connecting holes on both sides. The U-shaped structure and the design of the connecting holes on both sides are compatible with common quick-connect couplings, which is intended to make the installation and disassembly process of the device and the excavator stick more convenient and improve construction efficiency.

[0020] The operator first aligns and locks the U-shaped fixing head 1 of the device with the quick-connect coupling at the front end of the excavator's stick, completing the rapid installation. According to the design slope ratio requirements, the adjusting screw 5 of the rotating length adjustment mechanism changes the relative distance between the connecting seat 4 and the connecting rod 2 via threaded transmission. This action causes the connecting seat 4 to move as a whole, thereby pulling the adjusting frame 8 to slide along the fixed rotating rod. Since the bottom of the tool holder 6 is hinged to the end of the support rod 3 via the connecting block 7, and the top is connected to the connecting seat 4 via the adjusting frame 8, when the adjusting frame 8 is pulled and moved, it forces the tool holder 6 to rotate around its bottom hinge point, thus achieving precise setting of the slope angle. After the angle is set, tighten the locking mechanism. The nut secures the adjusting screw 5, locking the relative positions of the connecting seat 4, adjusting frame 8, and tool holder 6. During actual slope trimming, the excavator arm lowers the device to the starting position on the slope, and the excavator is operated to move the device laterally along the edge of the pit. The tool holder 6 maintains the set tilt angle during operation, forming a stable angle reference. The arc-shaped shovel plates 9, which converge inward from top to bottom on both sides, guide and gather the soil during movement, continuously trimming the slope to meet the requirements. No manual verification by construction personnel at the pit edge is required, reducing safety risks and significantly improving slope forming accuracy and work efficiency through mechanized angle control and continuous operation.

[0021] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. All equivalent changes made based on the description and drawings of the present invention are included within the scope of the present invention.

Claims

1. A slope-cutting device for a quick-change joint at the front end of an excavator boom, characterized in that: It includes a fixed head that can be detachably connected to the front end of the excavator. A longitudinally arranged connecting rod is fixed on the fixed head. A support rod is inclinedly provided at the bottom end of the connecting rod. A U-shaped connecting seat is provided on one side of the connecting rod. A length adjustment mechanism is provided between the connecting seat and the connecting rod. An adjustable slope repair mechanism is provided between the connecting seat and the end of the support rod.

2. The slope trimming device for the quick-change joint at the front end of the excavator boom according to claim 1, characterized in that: The length adjustment mechanism includes an adjusting screw, one end of which is rotatably connected to the end of the connecting rod. A threaded hole is provided on the connecting rod, and the other end of the adjusting screw passes through the threaded hole and is fitted with a locking nut.

3. The slope-cutting device for the quick-change joint at the front end of the excavator boom according to claim 1, characterized in that: The slope repair mechanism includes a tool holder, a connecting block at the bottom of the tool holder that is hinged to the end of the support rod, an adjustment frame at the top of the tool holder, the adjustment frame being movable within the opening of the connecting seat, a long strip-shaped adjustment port in the middle of the adjustment frame, a rotating rod fixed within the opening of the connecting seat, and the adjustment frame being movably fitted onto the rotating rod through the adjustment port.

4. The slope trimming device for the quick-change joint at the front end of the excavator boom according to claim 3, characterized in that: The end of the support rod is positioned closer to the fixed head in the horizontal direction than the axis of the rotating rod, causing the tool holder to tilt backward in a working posture.

5. The slope trimming device for the quick-change joint at the front end of the excavator boom according to claim 3, characterized in that: The tool holder includes a lower support plate and an upper support plate. The lower support plate is connected to the connecting block, and the upper support plate is connected to the adjusting frame. Arc-shaped shovels are symmetrically arranged between the two sides of the lower and upper support plates. The inner arc of the shovels faces inward, and the shovels on both sides converge inward from top to bottom.

6. The slope-cutting device for the quick-change joint at the front end of the excavator boom according to claim 1, characterized in that: The fixing head is U-shaped, and the bottom of the opening of the fixing head is fixed to the connecting rod. There are connecting holes on both sides of the opening of the fixing head.

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