A chain wrench for the engine oil filter of a mining truck and its usage method

Abstract

The present invention relates to a chain wrench for an oil filter of a mining truck and a using method thereof, belonging to the mechanical field. A chain wrench for an oil filter of a mining truck according to the present invention comprises a first steel pipe, a second steel pipe, a universal joint and a universal joint fixing sleeve. One end of the second steel pipe is fixedly connected to the middle of the first steel pipe to form a T-shaped structure; the other end of the second steel pipe is fixedly connected to the fixed end of the universal joint. The universal joint fixing sleeve is sleeved on the second steel pipe and the universal joint and can move up and down. By adopting the universal joint and its fixing sleeve, the design defects of the original tool are changed. The present invention uses a three-section handcuff-type chain wrench structure, enabling maintenance personnel to apply force evenly, reducing the probability of damaging the oil filter of the mining truck, preventing oil leakage faults and saving maintenance costs. Secondly, the use of the universal joint and the universal joint sleeve structure enables maintenance personnel to flexibly change the standing position, the force application direction and the force application posture, increasing the space and time for safe observation and reducing the potential safety hazards of maintenance personnel for such machines.

Description

Technical Field

[0001] The present invention relates to a tool for a machine / diesel filter of a mining truck, and particularly to a chain wrench for an engine oil filter of a mining truck and a using method thereof. It belongs to the mechanical field. Background Art

[0002] At present, the special tools for machine / diesel filters of commercially available mining trucks (830e, 730e, 630e, SF33900) are only T-bar combined chain wrenches. When in use, the force application is very uneven, and it is very easy to break the machine / diesel filter during maintenance, resulting in oil leakage, and then causing engine failures. It should be noted that it cannot change the force application direction and makes the staff can only stand fixedly directly below the filter element. There are risks such as not having enough time to react and not having enough space to avoid in case of sudden vehicle slip and other situations. Summary of the Invention

[0003] The purpose of the present invention is to provide a chain wrench for an engine oil filter of a mining truck and a using method thereof. By adopting a universal joint and its fixed sleeve, the design defects of the original tool are changed. The three-section handcuff-type chain wrench structure is adopted to make the maintenance personnel apply force evenly, reduce the probability of breaking the engine oil filter of the mining truck, prevent oil leakage failures, and save maintenance costs. Secondly, the universal joint and universal joint sleeve structure are adopted to enable the maintenance personnel to flexibly change the standing position, force application direction, and force application posture, increase the space and time for safe observation, and reduce the safety hazards of the personnel maintaining such machines.

[0004] The design scheme of the present invention is: a chain wrench for an engine oil filter of a mining truck, which includes a first steel pipe, a second steel pipe, a universal joint, and a universal joint fixed sleeve. One end of the second steel pipe is fixedly connected to the middle of the first steel pipe to form a T-shaped structure; the other end of the second steel pipe is fixedly connected to the fixed end of the universal joint, and the universal joint fixed sleeve is sleeved on the second steel pipe and the universal joint and can move up and down.

[0005] Further, a limit nail and a spring catch are sequentially arranged on the second steel pipe from left to right. The limit nail is fixedly connected to the surface of the second steel pipe, and a through hole is arranged on the pipe wall of the second steel pipe on the same side as the limit nail, and one end of the spring catch is arranged in the through hole.

[0006] Further, the spring catch is composed of a spring and a cylindrical shell. One end of the spring is fixedly connected to the inner wall on the other side of the second steel pipe, the other end of the spring is fixedly connected to the cylindrical shell, and the cylindrical shell extends out of the through hole of the second steel pipe.

[0007] Further, the movable end of the universal joint is connected with a three-section handcuff-type chain wrench.

[0008] Further, the three-section handcuff-type chain plate is composed of three arc-shaped chains with sawteeth on the inner side to form a circular structure. The connection parts of the three arc-shaped chains are respectively connected by connecting plates. The two ends of two of the connecting plates are dead buckles, and one end of the other connecting plate is a dead buckle and the other end is a live buckle.

[0009] The length of the first steel pipe is 85 cm, the length of the second steel pipe is 45 cm, and the length of the universal joint fixing sleeve is 45 cm; the diameter of the universal joint is 2 cm.

[0010] Further, the specific steps of the usage method of the chain plate for the oil filter of a mining truck are as follows:

[0011] Step 1) Connect the three-section handcuff-type chain plate to the movable end of the universal joint;

[0012] Step 2) Fix the oil filter of the mining truck inside the three-section handcuff-type chain plate;

[0013] Step 3) Push the universal joint fixing sleeve towards the movable end of the universal joint until a part of the universal joint fixing sleeve is sleeved on the movable end of the universal joint, and the spring catch on the second steel pipe pops up. Restrict the sliding of the universal joint fixing sleeve through the spring catch to realize the fixation of the oil filter of the mining truck;

[0014] Step 4) Rotate the first steel pipe to tighten or loosen;

[0015] Step 5) After completing the tightening or loosening, remove the three-section handcuff-type chain plate, move the universal joint fixing sleeve to press down the spring catch, so that the universal joint fixing sleeve withdraws from the movable end of the universal joint, and is limited by the limit pin on the second steel pipe.

[0016] The advantages of the present invention are as follows: By adopting the three-section handcuff-type chain plate structure, the maintenance personnel apply force evenly, reducing the probability of screwing up the oil filter of the mining truck, preventing oil leakage faults, and saving maintenance costs. By adopting the connection method of the universal joint, the standing position, the force application direction, the force application posture of the user can be freely adjusted, which is convenient and safe to use, and reduces the safety hazards of the personnel maintaining such machines. Through the universal joint fixing sleeve, its up and down movement can be used to control whether the universal joint works. That is, when the universal joint does not need to work, move the sleeve upward to wrap the universal joint to make it a fixed whole. When the universal joint needs to change the force application direction, move the universal joint downward to abut against the spring catch, so that the force application direction can be changed at any time when the universal joint works. Description of the Drawings

[0017] Figure 1 is the structural schematic diagram of the present invention;

[0018] Figure 2It is a schematic structural diagram of the present invention without a universal joint fixed sleeve;

[0019] Figure 3 It is a schematic structural diagram when the universal joint of the present invention is opened;

[0020] Figure 4 It is a schematic structural diagram when the universal joint of the present invention is tightened;

[0021] Figure 5 It is a schematic structural diagram of the spring catch column of the present invention;

[0022] In the figure, 1 is the first steel pipe; 2 is the second steel pipe; 3 is the limit pin; 4 is the three-section handcuff chain plate; 5 is the universal joint; 6 is the universal joint fixed sleeve; 7 is the spring catch column; 7-1 is the spring; 7-2 is the cylindrical shell.

[0023] The present invention will be further described below in conjunction with embodiments and the drawings, but it is not a limitation to the present invention. Specific embodiments

[0024] Embodiment 1

[0025] As Figure 1 shown, a chain plate for a mining truck oil filter includes a first steel pipe 1, a second steel pipe 2, a universal joint 5 and a universal joint fixed sleeve 6. One end of the second steel pipe 2 is fixedly connected to the middle of the first steel pipe 1 to form a T-shaped structure; the other end of the second steel pipe 2 is fixedly connected to the fixed end of the universal joint 5. The universal joint fixed sleeve 6 is sleeved on the second steel pipe 2 and the universal joint 5 and can move up and down.

[0026] Embodiment 2

[0027] On the basis of Embodiment 1, as Figure 2 shown, a limit pin 3 and a spring catch column 7 are sequentially arranged on the second steel pipe 2 from left to right. The limit pin 3 is fixedly connected to the surface of the second steel pipe 2. A through hole is provided on the pipe wall of the second steel pipe 2 on the same side as the limit pin 3, and one end of the spring catch column 7 is arranged in the through hole.

[0028] Further, as Figure 5 shown, the spring catch column 7 is composed of a spring 7-1 and a cylindrical shell 7-2. One end of the spring 7-1 is fixedly connected to the inner wall of the second steel pipe 2 on the other side. The other end of the spring 7-1 is fixedly connected to the cylindrical shell 7-2, and the cylindrical shell extends out of the through hole of the second steel pipe 2. The cylindrical shell is arranged on the spring, which is convenient for the cylindrical shell to expand and contract in the through hole and has a guiding effect.

[0029] Further, as Figure 1 shown, a three-section handcuff chain plate 4 is connected to the movable end of the universal joint 5.

[0030] Further, the three-section handcuff-type chain plate 4 is composed of three arc-shaped chains with sawteeth on the inner side to form a circular structure. The joints of the three arc-shaped chains are respectively connected by connecting plates. The two ends of two of the connecting plates are dead buckles, and one end of the other connecting plate is a dead buckle and the other end is a live buckle.

[0031] Further, the diameter of the three-section handcuff-type chain plate 4 corresponds to the diameter of the oil filter of the mining truck. The three-section handcuff-type chain plate has supportiveness, which is convenient for being sleeved at the bottom of the oil filter of the mining truck. The sawteeth of the three-section handcuff-type chain plate 4 can increase the friction with the oil filter of the mining truck to prevent slipping.

[0032] Further, the fixed end of the universal joint 5 is a columnar structure for fixedly connecting with the second steel pipe 2. The movable end of the universal joint 5 is a columnar structure with a transverse through hole for the arc-shaped chain of the three-section handcuff-type chain plate 4 to pass through the transverse through hole.

[0033] The specific steps of a using method of a chain plate for an oil filter of a mining truck are as follows:

[0034] Step 1) Connect the three-section handcuff-type chain plate 4 with the movable end of the universal joint 5.

[0035] Step 2) Fix the oil filter of the mining truck inside the three-section handcuff-type chain plate 4.

[0036] Step 3) Push the universal joint fixed sleeve 6 towards the movable end of the universal joint 5 until a part of the universal joint fixed sleeve 6 is sleeved on the movable end of the universal joint, and the spring catch 7 on the second steel pipe 2 pops up. Restrict the sliding of the universal joint fixed sleeve through the spring catch 7 to realize the fixation of the oil filter of the mining truck; see Figure 4 .

[0037] Step 4) Rotate the first steel pipe 1 to tighten or loosen.

[0038] Step 5) After completing the tightening or loosening, remove the three-section handcuff-type chain plate 4, move the universal joint fixed sleeve 6 to press down the spring catch 7, make the universal joint fixed sleeve 6 withdraw from the movable end of the universal joint, and limit the position through the limit pin 3 on the second steel pipe 2; see Figure 3 .

[0039] The present invention adopts a three-section handcuff-style chain wrench structure, enabling maintenance personnel to exert force evenly, reducing the probability of damaging the oil filter of a mining truck, preventing oil leakage faults, and saving maintenance costs. By adopting a universal joint connection method, the present invention can freely adjust the standing position, force application direction, and force application posture of the user, making it convenient and safe to use, and reducing the safety hazards for personnel maintaining such machines. Through the fixed sleeve of the universal joint, its up and down movement can be used to control whether the universal joint works. That is, when the universal joint is not required to work, the sleeve is moved upward to wrap the universal joint to make it a fixed whole. When the universal joint needs to change the force application direction, the universal joint moves downward and abuts against the spring clamping post, so that the force application direction can be changed at any time when the universal joint works.

[0040] Embodiment 3

[0041] On the basis of Embodiment 2, the length of the first steel pipe 1 is 85 cm, the length of the second steel pipe 2 is 45 cm, and the length of the universal joint fixed sleeve 6 is 45 cm; the diameter of the universal joint 5 is 2 cm. In this way, the distance from the oil filter of the mining truck to the hand is 85 cm, and the rotation distance for the operator is about 45 cm, facilitating better force application by the hand in a comfortable situation.

[0042] The components and structures not described in detail in this embodiment are well-known components and common structures or common means in this industry, and will not be described one by one here.

Claims

1. A chain plate for an oil filter of a mining truck, characterized in that: It includes a first steel pipe (1), a second steel pipe (2), a universal joint (5) and a universal joint fixing sleeve (6). One end of the second steel pipe (2) is fixedly connected to the middle of the first steel pipe (1) to form a T-shaped structure; the other end of the second steel pipe (2) is fixedly connected to the fixed end of the universal joint (5). The universal joint fixing sleeve (6) is sleeved on the second steel pipe (2) and the universal joint (5) and can move up and down; A limit pin (3) and a spring catch post (7) are sequentially arranged on the second steel pipe (2) from left to right. The limit pin (3) is fixedly connected to the surface of the second steel pipe (2). A through hole is provided on the pipe wall of the second steel pipe (2) on the same side as the limit pin (3). One end of the spring catch post (7) is arranged in the through hole; The spring catch post (7) is composed of a spring (7-1) and a cylindrical shell (7-2). One end of the spring (7-1) is fixedly connected to the inner wall on the other side of the second steel pipe (2). The other end of the spring (7-1) is fixedly connected to the cylindrical shell (7-2). The cylindrical shell extends out of the through hole of the second steel pipe (2); The movable end of the universal joint (5) is connected with a three-section handcuff chain wrench (4); The up and down movement of the universal joint fixing sleeve (6) can be used to control whether to start the work of the universal joint (5). That is, when the universal joint (5) does not need to work, the universal joint fixing sleeve (6) is moved upward to wrap the universal joint (5) to make it a fixed whole. When the universal joint (5) needs to change the force direction, the universal joint fixing sleeve (6) is moved downward and abuts against the spring catch post (7). In this way, the force direction can be changed at any time when the universal joint (5) works.

2. The chain plate for the engine oil filter of a mining truck according to claim 1, characterized in that: The three-section handcuff chain wrench (4) is composed of three arc-shaped chains with sawteeth on the inner side to form a circular structure. The joints of the three arc-shaped chains are respectively connected by connecting plates. The two ends of two of the connecting plates are dead buckles, and one end of the other connecting plate is a dead buckle and the other end is a live buckle.

3. A chain plate for an oil filter of a mining truck according to claim 1, characterized in that: The length of the first steel pipe (1) is 85 cm, the length of the second steel pipe (2) is 45 cm, and the length of the universal joint fixing sleeve (6) is 45 cm; the diameter of the universal joint (5) is 2 cm.

4. A method for using a chain plate of an oil filter for a mining truck according to any one of claims 1-3, characterized in that: Specific steps are as follows: Step 1) Open the live buckle of the three-section handcuff chain wrench (4) and connect it to the movable end of the universal joint (5); Step 2) Fix the oil filter of the mining truck inside the three-section handcuff chain wrench (4); Step 3) Push the universal joint fixing sleeve (6) towards the movable end of the universal joint (5) until a part of the universal joint fixing sleeve (6) is sleeved on the movable end of the universal joint, and the spring catch post (7) on the second steel pipe (2) pops up. The sliding of the universal joint fixing sleeve is restricted by the spring catch post (7) to realize the fixation of the oil filter of the mining truck; Step 4) Rotate the first steel pipe (1) to tighten or loosen; Step 5) After tightening or loosening is completed, remove the three-section handcuff chain wrench (4), move the universal joint fixing sleeve (6) to press down the spring catch post (7), so that the universal joint fixing sleeve (6) withdraws from the movable end of the universal joint, and is limited by the limit pin (3) on the second steel pipe (2).

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