Hydraulic oil cylinder body with high buffering performance

Abstract

The utility model discloses a hydraulic oil cylinder body with high buffering performance, which comprises a base, the top of the base is provided with a hydraulic oil cylinder body, the bottom of the base is provided with a T-shaped sliding groove, the inner side wall of the T-shaped sliding groove is connected with two T-shaped sliding blocks in a sliding mode, and the T-shaped sliding blocks are connected with the base in a sliding mode. The ends, away from each other, of the two T-shaped sliding blocks penetrate and extend to the outer portion of the base. By arranging the two-way screw rod, the moving blocks, the T-shaped sliding blocks, the detachable buffering assemblies and the like, the two moving blocks drive the two T-shaped sliding blocks to be close to or far away from each other along with rotation of the two-way screw rod, the installation distance is adjusted, and the device can adapt to different installation platforms; according to the hydraulic oil cylinder, collision between the piston body and the hydraulic oil cylinder body in operation can be reduced by arranging the buffer assembly, when equipment is used for a long time and a spring on the buffer assembly loses elasticity, the buffer assembly convenient to disassemble is more convenient to replace and maintain, and compared with the prior art, equipment installation and maintenance and replacement of the internal buffer assembly are more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinder bodies, in particular to a hydraulic cylinder body with high buffering performance. Background Technique

[0002] The hydraulic cylinder is an important actuator in the hydraulic system. It converts hydraulic energy into mechanical energy to achieve linear reciprocating motion or swinging motion. The basic components of the hydraulic cylinder include a cylinder barrel, a cylinder head, a piston, a piston rod, as well as a sealing device, a buffering device, and an exhaust device. These components together ensure that the hydraulic cylinder can work stably and reliably.

[0003] In the prior art, when the hydraulic cylinder operates, the piston is prone to collide with the cylinder body, resulting in a reduced service life. Most of the hydraulic cylinder bodies with buffering performance on the market use springs for buffering. After long-term use, the elasticity of the springs is easily lost, and replacement and maintenance are very inconvenient. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is that when the hydraulic cylinder operates in the prior art, the piston is prone to collide with the cylinder body, resulting in a reduced service life. Most of the hydraulic cylinder bodies with buffering performance on the market use springs for buffering. After long-term use, the elasticity of the springs is easily lost, and replacement and maintenance are very inconvenient.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: to provide a hydraulic cylinder body with high buffering performance, including a base, on the top of the base is provided a hydraulic cylinder barrel, at the bottom of the base is opened a T-shaped sliding groove, and two T-shaped sliding blocks are slidably connected to the inner side wall of the T-shaped sliding groove. One end of each of the two T-shaped sliding blocks away from each other penetrates and extends to the outside of the base, and two fixed mounting holes are opened at the top of one end of each of the two T-shaped sliding blocks away from each other;

[0006] At the top of the T-shaped sliding groove is opened a moving groove, on both sides of the inner surface of the moving groove are rotatably connected a bidirectional lead screw, the outside of the bidirectional lead screw is sleeved and rotatably connected with two moving blocks, the surfaces of the two moving blocks are both slidably connected to the inner side wall of the moving groove, the bottoms of the two moving blocks are respectively fixedly connected to the tops of the two T-shaped sliding blocks, and two groups of detachable buffering components are provided at the top and bottom of the hydraulic cylinder barrel.

[0007] Preferably, a piston body is slidably connected to the inner side wall of the hydraulic cylinder barrel, a piston rod is fixedly connected to the top of the piston body, the top end of the piston rod slidably penetrates and extends to the outside of the hydraulic cylinder barrel and is fixedly connected with a connecting piece, and two mounting grooves are opened at the bottom and top of the hydraulic cylinder barrel.

[0008] Preferably, both groups of the buffer components include mounting blocks which are threadedly mounted inside the mounting grooves. A damper is fixedly connected to the top of the mounting block. The output end of the damper penetrates and extends into the interior of the hydraulic cylinder block and is fixedly installed with a top block. A spring is sleeved outside the damper. The bottom end of the spring is fixedly connected to the top of the mounting block, and the top end of the spring is fixedly connected to the bottom of the top block. The spring and the damper can buffer the piston.

[0009] Preferably, a sealing washer is arranged on the top of the mounting block, which can increase the sealing performance.

[0010] Preferably, a first fixing plate is sleeved and fixedly connected to the outside of the hydraulic cylinder block near the bottom end. The first fixing plate is fixedly installed on the top of the base by bolts, thereby fixing the hydraulic cylinder block on the top of the base.

[0011] Preferably, a second fixing plate is sleeved and fixedly connected to the outside of the hydraulic cylinder block near the top end. A top plate is fixedly installed on the top of the second fixing plate by bolts. A plurality of fixing columns are fixedly connected to the top of the base along the periphery. The top ends of the plurality of fixing columns slide through and extend to the top of the top plate, and threaded nuts are sleeved on the outside of the plurality of fixing columns. The bottoms of the plurality of nuts are abutted against the top of the top plate. The cooperation between the top plate and the fixing columns can make the hydraulic cylinder block more stable.

[0012] Preferably, one end of the bidirectional lead screw penetrates and extends to the outside of the hydraulic cylinder block and is fixedly connected with a hand wheel, and the hand wheel can drive the bidirectional lead screw to rotate.

[0013] The beneficial effects of the present utility model are as follows:

[0014] By setting a bidirectional lead screw, moving blocks, T-shaped sliders and detachable buffer components, etc., the two moving blocks drive the two T-shaped sliders to approach and move away from each other as the bidirectional lead screw rotates, adjusting the installation distance, which can adapt to different installation platforms. By setting the buffer components, the collision between the piston body and the hydraulic cylinder block during operation can be reduced. When the equipment is used for a long time and the spring on the buffer component loses elasticity, the detachable buffer component is convenient to disassemble, and it is more convenient to replace and repair. Compared with the prior art, the installation of the equipment and the repair and replacement of the internal buffer components are more convenient and fast. Description of the Drawings

[0015] Figure 1 is a three-dimensional view of a hydraulic cylinder block with high buffer performance of the present utility model;

[0016] Figure 2 is a schematic internal structure view of a hydraulic cylinder block with high buffer performance of the present utility model;

[0017] Figure 3 Internal structure schematic diagram of a hydraulic cylinder body base with high buffering performance of the present utility model;

[0018] Figure 4 The present utility model Figure 2 Enlarged view of A in.

[0019] In the figure: 1. Base; 2. Hydraulic cylinder body; 201. Piston body; 202. Piston rod; 203. Installation groove; 204. Installation block; 205. Damping; 206. Top block; 207. Spring; 208. Sealing washer; 3. T-shaped sliding groove; 4. T-shaped sliding block; 5. Fixed installation hole; 6. Moving groove; 7. Bidirectional lead screw; 8. Moving block; 9. Connecting piece; 10. First fixing plate; 11. Second fixing plate; 12. Top plate; 13. Fixed column; 14. Nut; 15. Hand wheel. Specific implementation mode

[0020] The following elaborates on the preferred embodiments of the present utility model in conjunction with the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making the protection scope of the present utility model more clearly defined.

[0021] Please refer to Figures 1 to 3 , a hydraulic cylinder body with high buffering performance, including a base 1, a hydraulic cylinder body 2 is arranged on the top of the base 1, a T-shaped sliding groove 3 is opened at the bottom of the base 1, and two T-shaped sliding blocks 4 are slidably connected to the inner side wall of the T-shaped sliding groove 3. One end of each of the two T-shaped sliding blocks 4 far away from each other penetrates and extends to the outside of the base 1, and two fixed installation holes 5 are opened at the top of one end of each of the two T-shaped sliding blocks 4 far away from each other;

[0022] A moving groove 6 is opened at the top of the T-shaped sliding groove 3, a bidirectional lead screw 7 is rotatably connected to both sides of the inner surface of the moving groove 6, two moving blocks 8 are rotatably connected to the outside of the bidirectional lead screw 7, the surfaces of the two moving blocks 8 are slidably connected to the inner side wall of the moving groove 6, the bottoms of the two moving blocks 8 are respectively fixedly connected to the tops of the two T-shaped sliding blocks 4, and two groups of detachable buffer components are arranged at the top and bottom of the hydraulic cylinder body 2.

[0023] Such as Figures 1 to 4As shown in the figure, one end of the bidirectional lead screw 7 penetrates and extends to the outside of the hydraulic cylinder block 2 and is fixedly connected with a hand wheel 15. The hand wheel 15 can drive the bidirectional lead screw 7 to rotate. The outside of the hydraulic cylinder block 2 near the top is sleeved and fixedly connected with a second fixing plate 11. The top of the second fixing plate 11 is fixedly installed with a top plate 12 by bolts. The top of the base 1 is fixedly connected with a plurality of fixing columns 13 around the perimeter. The tops of the plurality of fixing columns 13 slide through and extend to the top of the top plate 12, and threaded nuts 14 are sleeved on the outside of the plurality of fixing columns 13. The bottoms of the plurality of nuts 14 are in tight contact with the top of the top plate 12. The cooperation between the top plate 12 and the fixing columns 13 can make the hydraulic cylinder block 2 more stable. The outside of the hydraulic cylinder block 2 near the bottom is sleeved and fixedly connected with a first fixing plate 10. The first fixing plate 10 is fixedly installed on the top of the base 1 by bolts, thereby fixing the hydraulic cylinder block 2 on the top of the base 1. A sealing gasket 208 is provided on the top of the mounting block 204, which can increase the sealing performance. A piston body 201 is slidably connected to the inner side wall of the hydraulic cylinder block 2. The top of the piston body 201 is fixedly connected with a piston rod 202. The top of the piston rod 202 slides through and extends to the outside of the hydraulic cylinder block 2 and is fixedly connected with a connecting member 9. Two installation grooves 203 are opened at the bottom and top of the hydraulic cylinder block 2. Each group of buffer components includes a mounting block 204. The mounting block 204 is threadedly installed into the installation groove 203. The top of the mounting block 204 is fixedly connected with a damper 205. The output end of the damper 205 penetrates and extends into the hydraulic cylinder block 2 and is fixedly installed with a top block 206. A spring 207 is sleeved on the outside of the damper 205. The bottom end of the spring 207 is fixedly connected with the top of the mounting block 204. The top end of the spring 207 is fixedly connected with the bottom of the top block 206. The spring 207 and the damper 205 can buffer the piston body 201.

[0024] When the present utility model is in use, the hand wheel 15 is used to rotate the bidirectional lead screw 7. The two moving blocks 8 drive the two T-shaped sliders 4 to move away from or close to each other as the bidirectional lead screw 7 rotates, and the position of the fixing holes 5 fixedly installed at the top of the T-shaped sliders 4 can be adjusted to adapt to different installation platforms. When the equipment is running, before the piston body 201 contacts the top and bottom of the hydraulic cylinder block 2, the piston body 201 abuts against the top block 206, compressing the damper 205 and the spring 207. The damper 205 and the spring 207 buffer the piston body 201 at the same time. When the equipment runs for a long time and the spring 207 loses its elasticity, first remove the hydraulic cylinder block 2 on the top of the base 1, then rotate the mounting blocks 204 at the top and bottom of the hydraulic cylinder block 2 to remove them from the inside of the installation groove 203, replace the new spring 207 and then reinstall the mounting blocks 204 into the installation groove 203. The sealing gasket 208 can provide better sealing performance to prevent the internal hydraulic oil from flowing out. Compared with the prior art, it can not only provide a buffering effect but also facilitate the replacement of the spring 207.

[0025] The above are only embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A hydraulic cylinder body with high buffering performance, comprising a base (1), characterized in that: The top of the base (1) is provided with a hydraulic cylinder block (2). The bottom of the base (1) is provided with a T-shaped sliding groove (3). The inner side wall of the T-shaped sliding groove (3) is slidably connected with two T-shaped sliding blocks (4). One end of each of the two T-shaped sliding blocks (4) far away from each other penetrates and extends to the outside of the base (1). Two fixing holes (5) are provided at the top of one end of each of the two T-shaped sliding blocks (4) far away from each other. A moving groove (6) is provided at the top of the T-shaped sliding groove (3). A bidirectional lead screw (7) is rotatably connected to both sides of the inner surface of the moving groove (6). Two moving blocks (8) are rotatably connected to the outside of the bidirectional lead screw (7). The surfaces of the two moving blocks (8) are slidably connected to the inner side wall of the moving groove (6). The bottoms of the two moving blocks (8) are respectively fixedly connected to the tops of the two T-shaped sliding blocks (4). Two groups of detachable buffer components are provided at the top and bottom of the hydraulic cylinder block (2).

2. A hydraulic cylinder body with high buffering performance according to claim 1, characterized in that: A piston body (201) is slidably connected to the inner side wall of the hydraulic cylinder block (2). A piston rod (202) is fixedly connected to the top of the piston body (201). The top end of the piston rod (202) slidably penetrates and extends to the outside of the hydraulic cylinder block (2) and is fixedly connected to a connecting member (9). Two mounting grooves (203) are provided at the bottom and top of the hydraulic cylinder block (2).

3. The hydraulic cylinder body with high buffering performance according to claim 2, wherein: Both groups of buffer components include mounting blocks (204). The mounting blocks (204) are threadedly mounted inside the mounting grooves (203). A damper (205) is fixedly connected to the top of the mounting block (204). The output end of the damper (205) penetrates and extends to the inside of the hydraulic cylinder block (2) and is fixedly installed with a top block (206). A spring (207) is sleeved outside the damper (205). The bottom end of the spring (207) is fixedly connected to the top of the mounting block (204). The top end of the spring (207) is fixedly connected to the bottom of the top block (206).

4. A hydraulic cylinder body with high buffering performance according to claim 3, characterized in that: A sealing washer (208) is provided at the top of the mounting block (204).

5. A hydraulic cylinder body with high buffering performance according to claim 1, characterized in that: A first fixing plate (10) is sleeved and fixedly connected to the outside of the hydraulic cylinder block (2) near the bottom end. The first fixing plate (10) is fixedly installed on the top of the base (1) by bolts.

6. A hydraulic cylinder body with high buffering performance according to claim 1, characterized in that: A second fixing plate (11) is sleeved and fixedly connected to the outside of the hydraulic cylinder block (2) near the top end. A top plate (12) is fixedly installed on the top of the second fixing plate (11) by bolts. A plurality of fixing columns (13) are fixedly connected to the top of the base (1) along the periphery. The top ends of the plurality of fixing columns (13) slidably penetrate and extend to the top of the top plate (12). Threaded nuts (14) are sleeved on the outside of the plurality of fixing columns (13). The bottoms of the plurality of nuts (14) are abutted against the top of the top plate (12).

7. A hydraulic cylinder body with high buffering performance according to claim 1, characterized in that: One end of the bidirectional lead screw (7) penetrates and extends to the outside of the hydraulic cylinder block (2) and is fixedly connected to a hand wheel (15).

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