A disassembly device for oil cylinder piston rod

Abstract

The utility model belongs to the technical field of oil cylinder piston rod disassembly equipment, specifically a oil cylinder piston rod disassembly device. To solve the problem of oil cylinder piston rod disassembly, it includes an oil cylinder fixing frame, on which three groups of frames are arranged side by side for installing and fixing oil cylinders; a first oil cylinder, which is fixed on one side of the frame; a second oil cylinder, which is fixed on the other side of the frame; a cylinder to be disassembled, which is fixed on the middle frame; bushings are installed on the output ends of the first oil cylinder, the second oil cylinder and the oil cylinder to be disassembled, and pins are connected between the bushings on both sides. The utility model drives the disassembly of the piston rod of the old oil cylinder through the hydraulic oil cylinder, which can reduce the labor intensity of workers and improve the efficiency and quality of disassembly of oil cylinder piston rods.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil cylinder piston rod disassembling equipment, in particular to an oil cylinder piston rod disassembling device. Background Art

[0002] At present, when the hydraulic cylinder of a tunnel boring machine is returned for maintenance, the piston rod is difficult to disassemble manually due to rust, wear and deformation. The current disassembly process uses a crane and a hammer to "knock" the cylinder, which is time-consuming and labor-intensive, and easily causes secondary damage to the cylinder during maintenance. Therefore, there is an urgent need to use a device to solve the problem of disassembly of the cylinder piston rod, so as to improve the efficiency and quality of cylinder maintenance.

[0003] When disassembling the oil cylinder piston rod, the industry generally uses an overhead crane for violent pulling disassembly. During the disassembly process, flame heating and hammer striking are used, which damages the oil cylinder and piston rod and is inefficient. Summary of the invention

[0004] In order to solve the problem of disassembling a cylinder piston rod, the utility model provides a cylinder piston rod disassembling device.

[0005] The utility model adopts the following technical scheme: a cylinder piston rod disassembly device, comprising:

[0006] The oil cylinder fixing frame has three sets of frames arranged side by side on the oil cylinder fixing frame for installing and fixing the oil cylinder;

[0007] A first oil cylinder, wherein the first oil cylinder is fixed to a frame on one side;

[0008] A second oil cylinder, the second oil cylinder is fixed on the other side frame;

[0009] The oil cylinder to be disassembled is fixed on the middle frame;

[0010] Bushings are installed on the output ends of the first oil cylinder, the second oil cylinder and the oil cylinder to be disassembled, and pins are connected between the bushings on both sides.

[0011] In some embodiments, the cylinder mounting bracket includes:

[0012] A base plate, the base plate being fixed on the ground;

[0013] A frame, the frame comprising:

[0014] A first frame, wherein the first frame is provided with two groups, respectively fixed on both sides of the bottom plate, and used for mounting the first oil cylinder and the second oil cylinder;

[0015] The second frame is arranged between the first frames on both sides and is used for installing the oil cylinder to be disassembled.

[0016] In some embodiments, the first frame comprises:

[0017] An oil cylinder bracket, wherein the oil cylinder bracket is fixed on an oil cylinder fixing frame;

[0018] A pin shaft I, which is installed at the lower part of the oil cylinder bracket and is used to connect the first oil cylinder or the second oil cylinder;

[0019] A fixing member, the fixing member being installed in the upper middle part of the oil cylinder bracket and used for limiting the position of the first oil cylinder or the second oil cylinder in the left-right direction;

[0020] The protective bracket is arranged on the top of the oil cylinder bracket, and is provided with a hole through which the extended end of the first oil cylinder or the second oil cylinder can pass.

[0021] In some embodiments, the oil cylinder support is a rectangular parallelepiped frame with three closed sides and one open side.

[0022] In some embodiments, a large circular hole I is provided on the cylinder bracket, a blocking plate I is installed on the large circular hole I, a small hole I is provided on the blocking plate I, a bolt is provided in the small hole I, and the bolt passes through the small hole I to be fixed to the first cylinder or the second cylinder.

[0023] In some embodiments, the second frame includes:

[0024] The main part is a rectangular frame structure, and an opening is provided on the main part for allowing the oil cylinder to be disassembled to enter;

[0025] A pin shaft II is arranged at the bottom of the main component and is used for connecting the oil cylinder to be disassembled.

[0026] In some embodiments, a large circular hole II is provided on the main part, a blocking plate II is installed on the large circular hole II, a small hole II is provided on the blocking plate II, a bolt is provided in the small hole II, and the bolt passes through the small hole II and is fixed to the cylinder to be disassembled.

[0027] In some embodiments, a plurality of bolt holes are disposed on the bottom plate, and the bottom plate is fixed to the ground via bolts disposed in the bolt holes.

[0028] Compared with the prior art, the utility model drives the first oil cylinder and the second oil cylinder through the hydraulic pump station. One end of the first oil cylinder, the second oil cylinder and the oil cylinder to be disassembled are fixed on the fixing frame and the oil cylinder bracket, and the piston rod at the other end is extended by the pump station drive, thereby driving the piston rod of the disassembled oil cylinder to be "pulled out" from the cylinder barrel, thereby realizing the disassembly of the oil cylinder piston rod. The disassembly of the piston rod of the old oil cylinder by driving the hydraulic oil cylinder can reduce the labor intensity of the workers and improve the disassembly efficiency and quality of the oil cylinder piston rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the structure of the utility model;

[0030] Figure 2 It is a side view of the utility model;

[0031] Figure 3 is a schematic diagram of the first frame structure;

[0032] Figure 4 for Figure 3 Rear view of

[0033] Figure 5 is a schematic diagram of the second frame structure;

[0034] Figure 6 This is a structural diagram of the second frame after the blocking plate II is installed;

[0035] In the figure, a-the first oil cylinder, b-the oil cylinder to be disassembled, c-the second oil cylinder, 1-the first frame, 2-the pin shaft I, 3-the blocking plate I, 4-the bolt, 5-the protective bracket, 6-the bushing, 7-the pin shaft, 8-the second frame, 9-the oil cylinder fixing frame, 10-the fixing part, 11-the main part, 12-the pin shaft II, 13-the large circular hole I, 14-the large circular hole II, 15-the blocking plate II. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0037] like Figure 1 , 2 As shown, a cylinder piston rod disassembly device comprises:

[0038] A cylinder fixing frame, wherein three groups of frames are arranged side by side on the cylinder fixing frame for installing and fixing the cylinder; a first cylinder, wherein the first cylinder is fixed on a frame on one side; a second cylinder, wherein the second cylinder is fixed on a frame on the other side; a cylinder to be disassembled, wherein the cylinder to be disassembled is fixed on a frame in the middle; bushings 6 are installed on the output ends of the first cylinder, the second cylinder and the cylinder to be disassembled, and pins are connected between the bushings 6 on both sides.

[0039] The utility model drives the first oil cylinder a and the second oil cylinder c through a hydraulic pump station. One end of the first oil cylinder a, the second oil cylinder c and the oil cylinder b to be disassembled are fixed on a fixing frame and an oil cylinder bracket. The piston rod at the other end is extended through the drive of the pump station, thereby driving the piston rod of the oil cylinder b to be disassembled to be "pulled out" from the cylinder barrel, thereby realizing the disassembly work of the oil cylinder piston rod.

[0040] The cylinder fixing frame 9 includes a base plate and a frame body, wherein the base plate is fixed on the ground; the frame body includes a first frame body 1 and a second frame body 8, wherein the first frame body 1 is provided with two groups, which are respectively fixed on both sides of the base plate and are used to install the first cylinder a and the second cylinder c; the second frame body 8 is provided between the first frame bodies 1 on both sides and is used to install the cylinder b to be disassembled.

[0041] like Figure 3 , 4 As shown, the first frame 1 includes a cylinder bracket, a pin shaft I2, a fixing member 10 and a protective bracket 5.

[0042] The oil cylinder bracket is fixed on the oil cylinder fixing frame, that is, installed and fixed on the bottom plate of the oil cylinder fixing frame 9, and can be welded and fixed to the bottom plate;

[0043] The pin shaft I2 is installed at the lower part of the cylinder bracket and is used to connect the first cylinder a or the second cylinder c;

[0044] The fixing member 10 is installed in the middle and upper part of the oil cylinder bracket, and is used to limit the position of the first oil cylinder a or the second oil cylinder c in the left and right directions; the fixing member 10 can be a rod-shaped structure with the same width as the oil cylinder bracket, and the two ends of the structure are provided with extended ends, which can be clamped on the two sides of the oil cylinder bracket and connected to the oil cylinder bracket by bolts or welding;

[0045] The protective bracket 5 is arranged on the top of the oil cylinder bracket. The protective bracket 5 can be a flat plate structure. The protective bracket 5 is provided with a hole through which the extended end of the first oil cylinder a or the second oil cylinder c can pass.

[0046] Specifically, the oil cylinder support 9 is a rectangular parallelepiped frame with three closed sides and one open side.

[0047] A large circular hole I13 is provided on the oil cylinder bracket 9, and a plugging plate I3 is installed on the large circular hole I13. A small hole I is provided on the plugging plate I3, and a bolt is provided in the small hole I. The bolt passes through the small hole I and is fixed to the first oil cylinder a or the second oil cylinder c. Since the lower end of the first oil cylinder a or the second oil cylinder c is installed on the pin shaft I2, it is possible to move along the pin shaft I2. In order to limit the movement of the lower end of the first oil cylinder a or the second oil cylinder c, the bolt on the plugging plate I3 is used for locking. There is a screw hole at the lower end of the first oil cylinder a or the second oil cylinder c itself, and the bolt is screwed into the screw hole to limit the movement of the lower end of the first oil cylinder a or the second oil cylinder c.

[0048] like Figure 5 , 6 As shown, the second frame body 8 includes a main part 11 and a pin II12.

[0049] The main part 11 is a rectangular parallelepiped frame structure, and an opening is provided on it for the oil cylinder b to be disassembled to enter;

[0050] The pin II12 is arranged at the bottom of the main part 11 and is used to connect the oil cylinder b to be disassembled.

[0051] The main part 11 is provided with a large circular hole II14, on which a plugging plate II15 is installed, on which a small hole II is provided, in which a bolt is provided, and the bolt passes through the small hole II and is fixed to the oil cylinder to be disassembled. Since the lower end of the oil cylinder b to be disassembled is installed on the pin shaft I2, it may move along the pin shaft II12. In order to limit the movement of the lower end of the oil cylinder b to be disassembled, the bolt on the plugging plate II15 is used for locking. The lower end of the oil cylinder b to be disassembled has a screw hole, and the bolt is screwed into the screw hole to limit the movement of the lower end of the oil cylinder b to be disassembled.

[0052] A plurality of bolt holes are arranged on the bottom plate, and the bottom plate is fixed to the ground by bolts arranged in the bolt holes.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A cylinder piston rod disassembly device, characterized in that: include: The oil cylinder fixing frame has three sets of frames arranged side by side on the oil cylinder fixing frame for installing and fixing the oil cylinder; A first oil cylinder, wherein the first oil cylinder is fixed to a frame on one side; A second oil cylinder, the second oil cylinder is fixed on the other side frame; The oil cylinder to be disassembled is fixed on the middle frame; Bushings are installed on the output ends of the first oil cylinder, the second oil cylinder and the oil cylinder to be disassembled, and pins are connected between the bushings on both sides.

2. The oil cylinder piston rod disassembly device according to claim 1, characterized in that: The oil cylinder fixing bracket comprises: A base plate, the base plate being fixed on the ground; A frame, the frame comprising: A first frame, wherein the first frame is provided with two groups, respectively fixed on both sides of the bottom plate, and used for mounting the first oil cylinder and the second oil cylinder; The second frame is arranged between the first frames on both sides and is used for installing the oil cylinder to be disassembled.

3. The oil cylinder piston rod disassembly device according to claim 2, characterized in that: The first frame comprises: An oil cylinder bracket, wherein the oil cylinder bracket is fixed on an oil cylinder fixing frame; A pin shaft I, which is installed at the lower part of the oil cylinder bracket and is used to connect the first oil cylinder or the second oil cylinder; A fixing member, the fixing member being installed in the upper middle part of the oil cylinder bracket and used for limiting the position of the first oil cylinder or the second oil cylinder in the left-right direction; The protective bracket is arranged on the top of the oil cylinder bracket, and is provided with a hole through which the extended end of the first oil cylinder or the second oil cylinder can pass.

4. The oil cylinder piston rod disassembling device according to claim 3, characterized in that: The oil cylinder bracket is a rectangular parallelepiped frame with three closed sides and one open side.

5. The oil cylinder piston rod disassembling device according to claim 3, characterized in that: A large circular hole I is provided on the oil cylinder bracket, a blocking plate I is installed on the large circular hole I, a small hole I is provided on the blocking plate I, a bolt is provided in the small hole I, and the bolt passes through the small hole I to be fixed to the first oil cylinder or the second oil cylinder.

6. The oil cylinder piston rod disassembling device according to claim 2, characterized in that: The second frame comprises: The main part is a rectangular frame structure, and an opening is provided on the main part for allowing the oil cylinder to be disassembled to enter; A pin shaft II is arranged at the bottom of the main component and is used for connecting the oil cylinder to be disassembled.

7. The oil cylinder piston rod disassembling device according to claim 6, characterized in that: The main part is provided with a large circular hole II, a blocking plate II is installed on the large circular hole II, a small hole II is provided on the blocking plate II, a bolt is provided in the small hole II, and the bolt passes through the small hole II and is fixed to the oil cylinder to be disassembled.

8. The oil cylinder piston rod disassembling device according to claim 2, characterized in that: A plurality of bolt holes are arranged on the bottom plate, and the bottom plate is fixed to the ground by bolts arranged in the bolt holes.

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