Chain removal device
By designing a chain removal device that utilizes the principle of leverage, the difficulty of chain removal in the prior art is solved, the chain is quickly, precise and efficiently removed, the cutting efficiency is improved, and the device is easy to carry and install.
Patent Information
- Application Number
- CN202421397180.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The lack of efficient chain removal tools in the prior art leads to difficulty in removing chains and high site requirements.
A chain removal device is designed, using the lever principle to transmit kinetic energy to the punch needle through the press rod to achieve precise removal of the chain. The device includes a base body, a cam, a chuck, a punch needle and a press rod. The chuck is fitted with a return spring, and the punch needle is double-headed and can be removed simultaneously.
It realizes the fast, accurate and efficient dismantling of the chain, reduces the waiting time, increases the logging efficiency, and is easy to carry and simple to install, and is suitable for various occasions.
Smart Images

Figure CN222697097U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chain removal, in particular to a chain removal device. Background Art
[0002] In the forestry felling industry, trees are cut down by high-speed chain operation. Chains are wearing parts. After a period of use, the chains are easily damaged and deformed. The chains need to be disconnected and replaced with new chain parts. However, there are currently no efficient removal tools on the market, so it is difficult to remove the chains, and most of the removals have high site requirements. Utility Model Content
[0003] The purpose of the utility model is to provide a chain removal device to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A chain removal device comprises a device body, which comprises a base, a cam, a chuck, a punch and a pressure rod. A through groove is horizontally penetrated inside the base, a reset spring is sleeved on the outer circumferential wall of the end of the chuck away from the output end, the chuck and the reset spring close to the end of the reset spring are located inside the through groove, a fixed shaft is rotatably arranged on the fixed seat inside the end of the base away from the chuck, one end of the fixed shaft penetrates the base and extends to the outside, the cam is located inside the base and sleeved on the outer circumferential wall of the fixed shaft, and the cam slot located inside the base matches the chuck structure.
[0006] As a preferred solution of the utility model, the punch needle is connected to an end of the chuck away from the cam, the punch needle is detachable, and the punch needle and the chuck are fixed by a Kimi screw.
[0007] As a preferred solution of the utility model, one end of the pressure rod is connected to the cam extending outside the base, and the pressure rod and the cam are fixed by a screw.
[0008] As a preferred solution of the utility model, a silicone protective sleeve is provided on the outer circumferential wall of one end of the pressure rod away from the cam hole, and anti-slip grooves are provided on the outer walls on both sides of the sleeve.
[0009] As a preferred solution of the utility model, a chain insertion groove is provided on the base body in front of the punch needle at the output end of the chuck, and a punch cylinder is provided on the base body at one side of the chain insertion groove.
[0010] As a preferred solution of the utility model, the punching needle is double-headed.
[0011] As a preferred solution of the utility model, the cam is perpendicular to the base.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] In response to the problems in the background technology, the present application utilizes the principle of lever, with the help of manual power input, which is transmitted to the punch needle through the pressure rod, so that the punch needle has a forward kinetic energy, so as to accurately dismantle the chain. The chain can be dismantled quickly, accurately and efficiently, which greatly reduces the waiting time and increases the efficiency of felling. The punch needle has two heads and two holes for simultaneous dismantling, which greatly increases the efficiency of dismantling. It is also easy to carry and install, and is convenient in any occasion, solving the problem of chain dismantling in the market. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is the overall axonometric drawing of the utility model;
[0015] Figure 2 This is the overall front view of the utility model;
[0016] Figure 3 This is the overall top view of the utility model;
[0017] Figure 4 It is a cross-sectional view of the utility model.
[0018] In the figure: 1, base; 11, through groove; 2, cam; 3, chuck; 4, punch needle; 5, pressure rod; 6, sleeve; 7, return spring; 8, base screw. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.
[0020] Example
[0021] See also Figure 1-4The utility model provides a technical solution: a chain removal device, including a device body, the device body includes a base 1, a cam 2, a chuck 3, a punch 4 and a pressure rod 5, a through slot 11 is horizontally opened inside the base 1, a return spring 7 is sleeved on the outer circumferential wall of the end of the chuck 3 away from the output end, the chuck 3 and the return spring 7 are located inside the through slot 11, and a fixed shaft is rotatably arranged inside the end of the base 1 away from the chuck 3, and one end of the fixed shaft passes through the base The base 1 is provided with a cam 2 which is sleeved on the outer circumferential wall of the fixed shaft. The groove of the cam 2 located inside the base 1 matches the structure of the chuck 3. The cam 2 is perpendicular to the base 1. The punch needle 4 is connected to the end of the chuck 3 away from the cam 2. The punch needle 4 is detachable and has two ends. The punch needle 4 is fixed to the chuck 3 by a Kimi screw 8. One end of the pressure rod 5 is connected to the cam 2 extending outside the base 1. The pressure rod 5 is fixed to the cam 2 by a Kimi screw 8.
[0022] It should be noted that, in the present embodiment, the reset spring 7 of the present application is inserted into the chuck 3, and the reset spring 7 and the chuck 3 are put into the base 1 together, the cam 2 is knocked into the base 1, the card slot of the cam 2 is completely matched with the chuck 3, the punch needle 4 is put into the chuck 3, and fixed with the Kimi screw 8, the pressure rod 5 and the sleeve 6 are installed, and after installation, one end of the pressure rod 5 is inserted into the hole of the cam 2, and the Kimi screw 8 is also used to fix it. The pressure rod 5 is pressed down as a kinetic energy output to push the punch needle 4 to move forward and backward;
[0023] Furthermore, by pressing down the pressure rod 5 as kinetic energy output to push the punching needle 4 forward and backward, the chain can be removed. The structure is easy to operate. By using the lever principle and with the help of manual power input, the power is transmitted to the punching needle 4 through the pressure rod 5, so that the punching needle 4 has a forward kinetic energy, thereby accurately removing the chain. The chain can be removed quickly, accurately and efficiently, greatly reducing the waiting time and increasing the efficiency of felling.
[0024] Furthermore, the punching needle 4 has two ends and two holes, which can be removed at the same time, greatly increasing the efficiency of the removal work; and it is easy to carry and install, and is convenient in any occasion, thus solving the problem of chain removal in the market.
[0025] See also Figure 1 , 2 and 4, a silicone protective sleeve 6 is provided on the outer circumferential wall of one end of the pressure rod 5 away from the cam 2, and anti-slip grooves are provided on the outer walls on both sides of the sleeve 6; a chain insertion groove is opened on the front side base body 1 of the punch needle 4 located at the output end of the chuck 3, and a punch cylinder is provided on the base body 1 on one side of the chain insertion groove.
[0026] It should be noted that, in this embodiment, the lever principle is used to transmit the power input manually to the punching needle 4 through the pressure rod 5, so that the punching needle 4 has a forward kinetic energy, thereby accurately removing the chain. The silicone protective sleeve 6 on the pressure rod 5 protects the palm of the operator to ensure the comfort of use.
[0027] Furthermore, a chain insertion groove is provided on the front side base body 1 of the punch needle 4 located at the output end of the chuck 3, and a punch cylinder is provided on the base body 1 on one side of the chain insertion groove. The punch needle 4 is double-headed, and the two holes of the double-headed punch needle 4 can be removed at the same time, which greatly increases the removal efficiency; and it is easy to carry and install, and is convenient in any occasion, which solves the problem of chain removal in the market.
[0028] The utility model workflow:
[0029] When in use, put the chain into the chain insertion groove, press the pressure rod 5 downward to make the clamp 3 move back and forth, to drive the punch needle, and the chain is removed by the forward and backward movement of the punch needle. The connecting buckle in the middle of the chain passes through the punch cylinder and falls off, and the disassembly is completed; the application utilizes the principle of leverage, with the help of manual power input, which is transmitted to the punch needle 4 through the pressure rod 5, so that the punch needle 4 has a forward kinetic energy, so as to accurately remove the chain, and can quickly, accurately and efficiently remove the chain, greatly reducing the waiting time and increasing the efficiency of felling. The punch needle 4 is double-headed and two-hole for simultaneous removal, which greatly increases the work efficiency of removal; and it is easy to carry and install, and is convenient in any occasion, solving the problem of chain removal in the market.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A chain removal device, comprising a device body, characterized in that: The device body comprises a base (1), a cam (2), a chuck (3), a punch (4) and a pressure rod (5); a through slot (11) is horizontally provided inside the base (1); a reset spring (7) is sleeved on the outer circumferential wall of the end of the chuck (3) away from the output end; the chuck (3) and the reset spring (7) near the end of the reset spring (7) are located inside the through slot (11); a fixed shaft is rotatably provided inside the fixed seat at the end of the base (1) away from the chuck (3); one end of the fixed shaft passes through the base (1) and extends to the outside; the cam (2) is located inside the base (1) and sleeved on the outer circumferential wall of the fixed shaft; the cam (2) slot located inside the base (1) matches the structure of the chuck (3).
2. A chain removal device according to claim 1, characterized in that: The punching needle (4) is connected to one end of the chuck (3) away from the cam (2); the punching needle (4) is detachable; the punching needle (4) and the chuck (3) are fixed by a screw (8).
3. A chain removal device according to claim 1, characterized in that: One end of the pressure rod (5) is connected to the cam (2) extending outside the base (1), and the pressure rod (5) and the cam (2) are fixed by a screw (8).
4. A chain removal device according to claim 1, characterized in that: A silicone protective sleeve (6) is provided on the outer circumferential wall of one end of the pressure rod (5) away from the cam (2), and anti-slip grooves are provided on the outer walls on both sides of the sleeve (6).
5. A chain removal device according to claim 1, characterized in that: A chain insertion groove is provided on the base body (1) at the front side of the punch needle (4) at the output end of the chuck (3), and a punch cylinder is provided on the base body (1) at one side of the chain insertion groove.
6. A chain removal device according to claim 1, characterized in that: The cam (2) is perpendicular to the base (1).
7. A chain removal device according to claim 1, characterized in that: The punching needle (4) is double-headed.