Chain bolt removal tool
The driving power is externally connected through the chain structure, and the chain transmission and limit guides are used to disassemble the space-limited bolts, which solves the problem of difficulty in bolt removal in the prior art and realizes a flexible and universal bolt removal tool.
Patent Information
- Application Number
- CN202011422511.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-12-08
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2040-12-08
AI Technical Summary
The prior art is difficult to effectively remove bolts in space-constrained environments, especially due to improper bolt installation, which makes it difficult to extend the wrench and sleeve. Destructive methods or complex structures are often used, and the integrity and flexibility of bolts cannot be guaranteed.
The chain structure is used to connect the power of the drive bolts, and power transmission and adjustment is achieved through the chain transmission and limit guides, including V-shaped clamps, wire ropes, fixing buckles, pressing convex strips, fixing pins, sliding blocks, guide wheels and Cage, forming a closed loop structure to accommodate bolts of different sizes and models.
The external disassembly of bolts in a small space is achieved. The structure is simple and versatile. It can effectively disassemble bolts of different sizes, avoiding destructive removal and defects of complex structures.
Smart Images
Figure CN112476342B_ABST
Abstract
Description
Technical Field
[0001] The present invention discloses a chain bolt disassembly tool, which relates to a disassembly structure for externally disassembling bolts, and belongs to the field of mechanical equipment. In particular, it relates to a disassembly tool that externally disassembles bolts in a limited space by externally connecting the power for driving the bolts to rotate through a chain structure. Background Art
[0002] At present, when removing bolts, some bolts are installed in corners due to the problem of installation order, and it is difficult for wrenches and sockets to reach in for removal, resulting in difficulty in the entire removal work. To address the above problems, destructive methods are used for disassembly, and the bolts are cut off by direct cutting, which makes it difficult to ensure the integrity of the bolts. In addition, some bolts are rusted and stuck, making it difficult to remove them by manpower.
[0003] Announcement No. CN201217199Y discloses a special tool for removing tight-fit bolts, which includes a fixed bracket, and an ejection mechanism with a push rod fixedly connected to the fixed bracket. When removing the bolt, the head of the push rod is fitted to the end of the bolt along the axial direction of the bolt. The device has a complex structure and a huge volume, and cannot form an external power output for the bolt disassembly structure in a small space.
[0004] Publication number CN108581450A discloses a nut removal mechanism, including a driving mechanism, a demolding shaft and a nut sleeve adapted to a nut on a fixed end plate, the rear end of the demolding shaft is fixedly assembled with the output shaft of the driving mechanism, and the demolding shaft rotates circumferentially under the action of the driving mechanism, the front end of the demolding shaft is connected to the rear end of the nut sleeve and drives the nut sleeve to rotate circumferentially, a rotation limiting mechanism for limiting the relative rotation between the demolding shaft and the nut sleeve is matched, and an adjustment mechanism for aligning the nut sleeve with the nut is provided between the demolding shaft and the nut sleeve, so that the nut sleeve can rotate radially relative to the demolding shaft. The device has a complex structure, a multi-sleeve structure, and a coaxial transmission design, and still cannot realize the removal of bolts with limited space. Summary of the invention
[0005] In order to improve the above situation, a chain bolt removal tool of the present invention provides a removal tool which uses a chain structure to externally connect the power for driving the bolt to rotate, thereby performing external removal of bolts in a limited space.
[0006] A chain bolt removal tool of the present invention is realized as follows: A chain bolt removal tool of the present invention includes a chain transmission member and a limiting guide member, the chain transmission member connects the hexagonal bolt and the driving rod to form power transmission, the limiting guide member is clamped on both sides of the chain transmission member, the limiting guide clamping member can adjust the rotation width of the chain transmission member, the chain transmission member is composed of a clamping plate, a steel wire rope, a fixing buckle and a tightening convex strip, a plurality of clamping plates are equidistantly arranged on the steel wire rope, the steel wire rope is a closed-loop structure, a fixing buckle is arranged on the clamping plate, the fixing buckle is used to connect with the steel wire rope, the clamping plate can slide and tighten along the steel wire rope, and the clamping plate It is a V-shaped structure, and the V-shaped angle is 110°-120°. A plurality of clamping ridges are arranged on the inner side of the splint, and the clamping ridges are made of rubber. The number of the steel wire ropes is at least one, and the preferred number is two. The limiting guide is composed of a fixing pin, a sliding block, a guide wheel and a retaining frame. The retaining frame is a slat structure, and a strip groove is arranged on the retaining frame. The sliding block can be slidably placed in the strip groove. A fixing pin is arranged on the side of the retaining frame, and the sliding block is provided with a guide wheel. A guide wheel is also arranged on the retaining frame. The two guide wheels are arranged opposite to each other, and the guide wheel is a concave wheel, and an arc-shaped ridge is arranged on the concave surface of the concave wheel.
[0007] Beneficial effects.
[0008] 1. The chain structure can connect power externally and is suitable for small space operations.
[0009] 2. It can be adjusted to remove bolts of different sizes.
[0010] 3. Simple structure, convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 A schematic structural diagram of a chain bolt removal tool of the present invention;
[0012] Figure 2 A three-dimensional structural diagram of a clamping plate of a chain bolt removal tool of the present invention;
[0013] Figure 3 A schematic structural diagram of a chain bolt removal tool of the present invention when in use.
[0014] In the attached figure
[0015] The components include: a clamping plate (1), a steel wire rope (2), a fixing pin (3), a sliding block (4), a guide wheel (5), a retaining frame (6), a fixing buckle (7), a pressing convex strip (8), a bolt (9), and a driving rod (10). DETAILED DESCRIPTION
[0016] A chain bolt removal tool of the present invention is implemented as follows: A chain bolt removal tool of the present invention comprises a chain transmission member and a limiting guide member, the chain transmission member connects the hexagonal bolt (9) and the driving rod (10) to form power transmission, the limiting guide member is clamped on both sides of the chain transmission member, and the limiting guide clamping member can adjust the rotation width of the chain transmission member, the chain transmission member is composed of a clamping plate (1), a steel wire rope (2), a fixing buckle (7) and a pressing convex strip (8), a plurality of clamping plates (1) are arranged at equal intervals on the steel wire rope (2), the steel wire rope (2) is a closed loop structure, a fixing buckle (7) is arranged on the clamping plate (1), and the fixing buckle (7) is used to connect with the steel wire rope (2), the clamping plate (1) can slide and tighten along the steel wire rope (2), and the clamping plate (1) is a V-shaped structure. The invention relates to a structure having a V-shaped angle of 110°-120°. The inner side of the clamping plate (1) is provided with a plurality of pressing convex strips (8), the pressing convex strips (8) are made of rubber. The number of the steel wire ropes (2) is at least one, preferably two. The limiting guide member is composed of a fixing pin (3), a sliding block (4), a guide wheel (5) and a retaining frame (6). The retaining frame (6) is a slat structure. A strip groove is provided on the retaining frame (6). The sliding block (4) can be slidably placed in the strip groove. A fixing pin (3) is provided on the side of the retaining frame (6). The sliding block (4) is provided with a guide wheel (5). The retaining frame (6) is also provided with a guide wheel (5). The two guide wheels (5) are arranged opposite to each other. The guide wheel (5) is a concave wheel, and an arc-shaped convex strip is provided on the concave surface of the concave wheel.
[0017] When in use, the chain transmission member is placed on the bolt (9) to be removed, and the clamping plate (1) on the chain transmission member is engaged with the corners of the bolt (9) to be removed, and the chain transmission kit is synchronously placed on the driving rod (10), and the driving rod (10) is a hexagonal prism driven by a hand drill. After the connection is completed, power transmission is formed between the driving rod (10) and the bolt (9) to be removed through the chain transmission member, and the retaining frame (6) is placed on both sides of the chain transmission member so that the two guide wheels (5) are respectively engaged with the two sides of the closed-loop wire rope (2), and the position of the fixed sliding block (4) on the retaining frame (6) is adjusted by the fixing pin (3) to change the position of the two guide wheels. The spacing between the wheels (5) is changed, thereby changing the tension between the steel wire ropes (2), and at the same time, the steel wire rope (2) is closed on one side of the bolt (9), and then the driving rod (10) is rotated and driven by the chain transmission member to apply force to the bolt (9), drive the bolt (9) to rotate, and then remove the bolt (9), and remove the bolt (9) in a narrow position through external connection. The steel wire rope (2) is a closed loop structure, which can form a closed chain structure and cooperate with the driving rod (10) to transmit the rotational torque to remove the bolt (9); the clamping plate (1) is provided with a fixing buckle (7), which can fix the clamping plate (1) on the steel wire rope (2) The clamping plate (1) is arranged on the steel wire rope (2), and the spacing between the clamping plates (1) can be adjusted by the clamping position of the fixing buckle (7), so as to adapt to bolts (9) of different sizes and improve the versatility of disassembly; the clamping plates (1) can be slidably fastened along the steel wire rope (2), so as to change the spacing between the clamping plates (1), and can be fixed at different positions of the steel wire rope (2) with the fixing buckle (7), so as to adapt to bolts (9) of different models; the clamping plates (1) are of V-shaped structure, and the V-shaped angle is 110°-120°, so as to be able to be clamped with the corners of the bolts (9), and to form a pushing twist on the bolts (9) during the driving process of the steel wire rope (2); a plurality of pressing convex strips ( 8), which can improve the combination with the side of the bolt (9), and can be engaged with the knurling on the outer side of the hexagon socket screw to form power transmission; the pressing convex strip (8) is made of rubber material, which can form an anti-slip effect on the surface of the bolt (9) and increase the contact friction; the number of the steel wire rope (2) is at least one, preferably two, and the two guide wheels (5) are arranged relative to each other, which can maintain the stability of the drive of the steel wire rope (2) and avoid imbalance during the torsion process; the guide wheel (5) is a concave wheel, and the concave surface of the concave wheel is provided with an arc-shaped convex strip, which can better fit with the texture on the steel wire rope (2) and increase the engagement transmission of the steel wire rope (2);
[0018] The purpose of leading out and rotating the bolt (9) is achieved.
[0019] The above embodiments are preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Any person skilled in the art may make some improvements without departing from the scope of the present invention, that is, any equivalent improvements made according to the present invention should be covered by the scope of the present invention.
Claims
1. A chain bolt removal tool, comprising a chain transmission member and a limit guide member, wherein the chain transmission member connects the hexagonal bolt and the driving rod to form power transmission, characterized in that The limiting guide is clamped on both sides of the chain transmission part, and the limiting guide can adjust the rotation width of the chain transmission part. The chain transmission part is composed of a clamping plate, a steel wire rope, a fixing buckle and a clamping convex strip. A plurality of clamping plates are equidistantly arranged on the steel wire rope. The steel wire rope is a closed-loop structure. The clamping plate is provided with a fixing buckle, and the fixing buckle is used to connect with the steel wire rope. The clamping plate can be slid and tightened along the steel wire rope. The limiting guide is composed of a fixing pin, a sliding block, a guide wheel and a retaining frame. The retaining frame is a slat structure, and a strip groove is provided on the retaining frame. The sliding block can be slidably placed in the strip groove. A fixing pin is provided on the side of the retaining frame, and the sliding block is provided with a guide wheel. A guide wheel is also provided on the retaining frame, and the two guide wheels are arranged opposite to each other.
2. A chain bolt removal tool according to claim 1, characterized in that A plurality of pressing convex strips are arranged on the inner side of the clamping plate.
3. A chain bolt removal tool according to claim 2, characterized in that The splint is a V-shaped structure, and the V-shaped angle is 110°-120°.
4. A chain bolt removal tool according to claim 1, characterized in that The number of the steel wire rope is at least one.
5. The chain bolt removal tool according to claim 1, characterized in that The guide wheel is a concave wheel, and an arc-shaped convex strip is arranged on the inner concave surface of the concave wheel.
6. A chain bolt removal tool according to claim 1, characterized in that The steel wire rope is a closed loop structure, which can form a closed chain structure and cooperate with the driving rod to transmit the rotational torque.
7. A chain bolt removal tool according to claim 2, characterized in that The pressing convex strip is made of rubber.