Pile cutting machine with safety protection device

By introducing a protective frame and precise control components into the pile cutter, the problem of excessive load on existing pile cutter equipment has been solved, enabling flexible, precise, and safe pile cutting operations while reducing energy consumption and costs.

CN223523111UActive Publication Date: 2025-11-07SHANDONG TIANXING ENTERPRISE MANAGEMENT CO LTD
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Patent Information

Application Number
CN202422957134.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-07
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Existing pile cutters require the equipment itself to provide a force exceeding the load-bearing capacity of the pile when applying pressure to it, resulting in excessive equipment load and posing safety hazards and the risk of equipment damage.

Method used

A pile cutter with a safety protection device was designed, including a protective frame, threaded rod, slider, L-frame, bevel gear, bevel gear ring, positioning block and cutting drill bit. By driving the cooperation of these components with a motor, precise control and expansion of the pile body can be achieved, reducing the load on the equipment.

Benefits of technology

It improves the flexibility, accuracy, and safety of pile cutting, reduces energy consumption and costs, enhances operator safety, and ensures equipment stability and maintainability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a pile cutting machine with a safety protection device, and relates to the technical field of building construction. Four universal wheels are arranged at the bottom of the protection frame, a sliding frame is fixedly installed on the upper portion of the interior of the protection frame, a motor A is fixedly installed on the top of the sliding frame, and the lower portion of a rotating shaft of the motor A is fixedly connected with the middle of the top of a threaded rod. When the three cut-off drill bits are attached to the outer side of the pile body, the inclined positions of the cut-off drill bits are adjusted by timely starting the motor C, the pile body can be expanded and supported, the breaking efficiency of the pile body is improved, and the innovative design not only improves the pile cutting speed, but also reduces the energy consumption and the cost in the pile cutting process. The problems that in the process that an existing pile cutting machine exerts pressure on a ground pile, the ground pile is broken only when the actuating energy drawn by the pile cutting machine exceeds the acting force borne by the ground pile, and the large acting force can cause loads to a pile cutting machine body are solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, more specifically, it relates to a pile cutting machine with safety protection device. BACKGROUND

[0002] In the construction of building foundation, pile foundation is first driven, commonly known as ground pile, and the ground pile of large building is usually a reinforced concrete column arranged in a circular array around the ground pile axis, and in order to ensure the strength, the ground pile is usually reserved about 0.5-1 meters higher than the ground, and the part above the ground needs to be cut off by a pile cutting machine.

[0003] Application No. CN202410537137.4 discloses a pile cutting machine for building engineering, which comprises a peripheral milling cylinder, an inner milling mechanism and a circulating crushing mechanism, the inner milling mechanism is arranged on the inner side of the peripheral milling cylinder, the circulating crushing mechanism is rotatably arranged on the inner milling mechanism, and the peripheral milling cylinder is rotatably provided with a motor compartment at the top, and a power motor is arranged in the motor compartment.

[0004] Based on the above patent search and the application of the existing pile cutting machine, the current pile cutting machine needs to pull the driving energy of the device itself to exceed the force borne by the pile in the process of pressing the pile itself, so as to break the pile, and the larger force will cause load to the pile cutting machine body. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a pile cutting machine with safety protection device, so as to solve the problem that the current pile cutting machine needs to pull the driving energy of the device itself to exceed the force borne by the pile in the process of pressing the pile itself, so as to break the pile, and the larger force will cause load to the pile cutting machine body.

[0006] The technical scheme adopted by the utility model is:

[0007] The utility model provides a cutting machine with safety guard, including guard frame, the bottom position of guard frame is provided with four universal wheel, the inside upper position of guard frame is fixedly installed with sliding frame, the top position of sliding frame is fixedly installed with motor A, the lower position of the rotating shaft of motor A is fixedly connected with the middle position of threaded rod top, threaded rod is located in the inside middle position of sliding frame, the front end position of sliding frame is slidably connected with sliding block, the middle rear position of the top of sliding block is equipped with threaded hole, threaded rod is located in the threaded hole of sliding block, the front end position of sliding block is fixedly installed with L shape design's L frame, the middle position of L frame bottom is fixedly connected with the middle position of cutting frame top, the outside position of guard frame can install fender.

[0008] According to one embodiment of the utility model, the middle position of the front end of cutting frame is fixedly installed with motor B, the rear end rotating shaft of motor B is fixedly connected with bevel gear, bevel gear is located in the inside front end position of cutting frame.

[0009] According to one embodiment of the utility model, the middle position of the inside of cutting frame is rotatably connected with bevel gear ring, the top front end position of bevel gear ring is engaged transmission with the lower position of bevel gear, the bottom position of bevel gear ring is equipped with spiral recess.

[0010] According to one embodiment of the utility model, the bottom position of cutting frame is provided with three sliding slots, and one positioning block is slidably connected in each of the three sliding slots of cutting frame, the top position of the three positioning blocks is provided with an arc-shaped groove, and the arc-shaped groove position of the positioning block is engaged with the recess at the bottom of the bevel gear ring.

[0011] According to one embodiment of the utility model, the middle position of the bottom of each positioning block is provided with an extension frame, and a motor C is installed at the outer side below each extension frame, a cutting drill bit is installed on the rotating shaft of each motor C, and the three cutting drill bits are distributed in a Y shape.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] By driving the threaded rod with motor A, cooperating with the threaded hole of the sliding block, the height of the L frame and the cutting frame can be easily adjusted, so that the cutting machine can adapt to different heights of the pile body, which not only improves the flexibility of the cutting machine, but also ensures the accuracy and efficiency of the cutting operation.

[0014] The three sliding slots and positioning blocks provided at the bottom of the cutting frame are engaged transmission through the arc-shaped groove at the top of the positioning block and the spiral recess at the bottom of the bevel gear ring, so that the position and spacing of the cutting drill bits can be accurately controlled, which ensures the accuracy and consistency of the cutting operation and improves the cutting quality.

[0015] When the three cutting drill bits are attached to the outer side of the pile body, the pile body can be expanded by timely starting the motor C to adjust the inclined position of the cutting drill bit, thereby accelerating the breaking efficiency of the pile body.

[0016] ‌The outer side of the protective frame can be provided with a protective plate to enhance safety protection, which ensures the safety of the operator during the pile cutting operation and reduces potential safety hazards and accident risks.

[0017] ‌The pile cutting machine has simple overall structure and convenient operation, and only needs to control the start-stop and rotating speed of the motor A, the motor B and the motor C to realize the whole process control of the pile cutting operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic view of the front structure of the pile cutting machine of the present application.

[0019] Figure 2 is a schematic view of the top structure of the pile cutting machine of the present application.

[0020] Figure 3 is a schematic view of the left structure of the pile cutting machine of the present application.

[0021] Figure 4 is a schematic view of the side structure of the pile cutting machine of the present application.

[0022] Figure 5 is a schematic view of the left structure of the pile cutting frame of the present application.

[0023] Figure 6 is a schematic view of the structure of the present application.

[0024] In the figure, the correspondence between the component name and the figure number is as follows:

[0025] 1, protective frame; 111, sliding frame; 101, motor A; 102, threaded rod; 103, sliding block; 104, L-shaped frame; 2, pile cutting frame; 201, motor B; 202, bevel gear; 203, bevel gear ring; 204, positioning block; 205, extension frame; 206, motor C; 207, cutting drill bit. DETAILED DESCRIPTION

[0026] In order to make the purposes, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions of the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Unless otherwise defined, technical terms or scientific terms used herein should be understood as having the common meaning in the field of the utility model. The similar words such as "one", "a" or "the" used in the utility model patent application description and claims do not represent quantity limitation, but represent that there is at least one. The similar words such as "include" or "contain" mean that the element or object before the word covers the element or object listed after the word and its equivalent. The similar words such as "connect" or "connected" are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, when the absolute position of the described object changes, the relative positional relationship can also change accordingly.

[0028] The implementation manners of the utility model will be described in further detail below in combination with the drawings and embodiments.

[0029] Embodiment one:

[0030] As shown in the accompanying Figure 1 to the accompanying Figure 6 As shown:

[0031] The utility model provides a kind of with safety guard device's cutting machine, including guard frame 1;Four universal wheels are provided with in the bottom position of guard frame 1, sliding frame 111 is fixedly installed in the inside upper position of guard frame 1, motor A 101 is fixedly installed in the top position of sliding frame 111, the lower position of the rotating shaft of motor A 101 is fixedly connected with the top middle position of threaded rod 102, threaded rod 102 is located in the inside middle position of sliding frame 111, sliding block 103 is slidably connected in the front end position of sliding frame 111, threaded hole is opened in the top middle rear position of sliding block 103, threaded rod 102 is located in the threaded hole of sliding block 103, L-shaped L frame 104 is fixedly installed in the front end position of sliding block 103, the bottom middle position of L frame 104 is fixedly connected with the top middle position of cutting frame 2, the outer side position of guard frame 1 can be installed fender.

[0032] The front end of the cutting pile frame 2 is fixedly provided with a motor B201, the rear end of the motor B201 is fixedly connected with a bevel gear 202, and the bevel gear 202 is located at the inner front end of the cutting pile frame 2.

[0033] The inner middle position of the cutting pile frame 2 is rotatably connected with a bevel gear ring 203, the top front end of the bevel gear ring 203 is in meshing transmission with the lower position of the bevel gear 202, and the bottom position of the bevel gear ring 203 is provided with a spiral groove.

[0034] The bottom position of the cutting pile frame 2 is provided with three sliding grooves, and each of the three sliding grooves is slidably connected with a positioning block 204, the top position of each of the three positioning blocks 204 is provided with an arc-shaped groove, and the arc-shaped groove of the positioning block 204 is in meshing transmission with the groove at the bottom of the bevel gear ring 203.

[0035] The bottom middle position of each of the three positioning blocks 204 is provided with an extension frame 205, the outer side position below each of the extension frames 205 is provided with a motor C206, the rotating shaft of the motor C206 is provided with a cutting drill bit 207, and the three cutting drill bits 207 are distributed in a Y-shaped position.

[0036] In use:

[0037] The protective frame 1 with universal wheels is moved to the working area, and the four universal wheels of the protective frame 1 are ensured to be stably supported and locked to prevent movement, it is checked whether the motor A101, the motor B201 and the motor C206 and their connecting parts are intact, it is ensured that the power connection is correct and safe, and according to the need, a guard plate is installed at the outer side position of the protective frame 1 to enhance safety protection.

[0038] The motor A101 is started, the height of the L-shaped frame 104 and the cutting pile frame 2 is adjusted through the cooperation of the threaded rod 102 and the threaded hole of the sliding block 103, so as to adapt to pile bodies of different heights, and the position of the pile body to be removed is located in the middle position of the three cutting drill bits 207, then the motor B201 is started, the rear end rotating shaft of the motor B201 drives the bevel gear 202 to rotate, and then the bevel gear 202 is in meshing transmission with the bevel gear ring 203, so that the bevel gear ring 203 rotates in the inner middle position of the cutting pile frame 2, at this time, the three positioning blocks 204 are driven to reduce the distance through the cooperation of the arc-shaped grooves and the spiral grooves of the bevel gear ring 203, until the three cutting drill bits 207 continue to shrink to remove the pile body.

[0039] When the three cutting drill bits 207 are in close contact with the outer side of the pile body, and the cutting drill bits 207 cannot further extrude the pile body, the motor C206 is started in time to adjust the inclined position of the cutting drill bits 207, and the cutting drill bits 207 expand the pile body to speed up the breaking efficiency of the pile body.

[0040] After the cutting is completed, the motor C206, the motor B201 and the motor A101 are closed in turn. The cutting effect is checked and necessary trimming is performed. Finally, the working area is cleaned and the cutting machine is moved to the designated storage location for maintenance.

[0041] While the application has been described with reference to the above embodiment, it will be understood by those skilled in the art that various changes can be made and equivalents can be substituted for elements thereof without departing from the scope of the application as defined in the appended claims. Although the specification contains many specific implementation details, these should not be construed as limiting the scope of the application but merely as illustrating particular features. The scope of the application is defined by the appended claims and equivalents thereof, rather than by the description of embodiments preceding it.

Claims

1. A guillotine with safety guard, characterised in that: The utility model provides an improved and safe cutting frame, which comprises a protective frame (1), four universal wheels arranged at the bottom of the protective frame (1), a sliding frame (111) fixedly installed at the upper part of the interior of the protective frame (1), a motor A (101) fixedly installed at the top of the sliding frame (111), a threaded rod (102) fixedly connected to the lower part of the rotating shaft of the motor A (101) and arranged at the middle of the top of the threaded rod (102), the threaded rod (102) arranged at the middle of the interior of the sliding frame (111), a sliding block (103) slidably connected to the front end of the sliding frame (111), a threaded hole formed in the middle of the top of the sliding block (103), the threaded rod (102) arranged in the threaded hole of the sliding block (103), an L-shaped L-shaped frame (104) fixedly installed at the front end of the sliding block (103), the L-shaped frame (104) fixedly connected to the middle of the top of a cutting frame (2), and a protective plate arranged at the outer side of the protective frame (1).

2. The pole cutter with safety guard of claim 1 wherein: The cutting frame (2) is provided with a motor B (201) fixedly installed at the middle of the front end of the cutting frame (2), a bevel gear (202) fixedly connected to the rear end of the rotating shaft of the motor B (201), and the bevel gear (202) arranged at the front end of the interior of the cutting frame (2).

3. The pole cutter with safety guard of claim 2 wherein: The cutting frame (2) is provided with a bevel gear ring (203) rotatably connected to the middle of the interior of the cutting frame (2), the top of the front end of the bevel gear ring (203) engaged with the lower part of the bevel gear (202), and a spiral groove arranged at the bottom of the bevel gear ring (203).

4. The pole cutter with safety guard of claim 3 wherein: The cutting frame (2) is provided with three sliding grooves arranged at the bottom of the cutting frame (2), and each of the three sliding grooves is slidably connected to a positioning block (204), each of the three positioning blocks (204) is provided with an arc-shaped groove arranged at the top of the positioning block (204), and the arc-shaped groove of the positioning block (204) is engaged with the groove arranged at the bottom of the bevel gear ring (203).

5. The pole cutter with safety guard of claim 4 wherein: Each of the three positioning blocks (204) is provided with an extension frame (205) arranged at the middle of the bottom of the positioning block (204), each of the three extension frames (205) is provided with a motor C (206) arranged at the outer side below the extension frame (205), each of the three motors C (206) is provided with a cutting drill bit (207) arranged at the rotating shaft of the motor C (206), and the three cutting drill bits (207) are arranged in a Y shape.

Citation Information

Patent Citations

  • A pile cutter for construction engineering

    CN118128043B