CN212250676U - High-strength spherical cylinder head for oil cylinder of high-pressure excavator - Google Patents
High-strength spherical cylinder head for oil cylinder of high-pressure excavator Download PDFInfo
- Publication number
- CN212250676U CN212250676U CN202020456422.0U CN202020456422U CN212250676U CN 212250676 U CN212250676 U CN 212250676U CN 202020456422 U CN202020456422 U CN 202020456422U CN 212250676 U CN212250676 U CN 212250676U
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- cylinder head
- cylinder
- piston rod
- fixed
- sleeve
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- Expired - Fee Related
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- 238000003466 welding Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 description 2
- -1 and meanwhile Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a high pressure digs quick-witted for hydro-cylinder high strength sphere cylinder head, including hydro-cylinder body, piston rod, sleeve, cylinder head, the piston rod left end is located the hydro-cylinder originally internally, the kneck of hydro-cylinder body and piston rod is fixed with the go-between, go-between left side fixed surface has the sleeve, both ends all are fixed with T type guide bar around the sleeve, the one end that T type guide bar is close to mutually all runs through the sleeve and is connected with the connection semi-ring, connection semi-ring intra-annular side all is fixed with cleaning cloth, the piston rod left end is fixed with the cylinder head. The utility model discloses it is clean to be convenient for maintain the piston rod, has the sphere through processing in cylinder head welding seam department, avoids cylinder head stress concentration to damage the cylinder head.
Description
Technical Field
The utility model relates to a dig quick-witted accessory field, especially relate to a high pressure digs high strength sphere cylinder head for quick-witted hydro-cylinder.
Background
The oil cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.
At present, an R angle is generally inverted at a welding seam of a cylinder head for a high-pressure excavator oil cylinder, stress is uneven at the R angle and is prone to cracking, the cylinder head is damaged, and a piston rod of the oil cylinder is inconvenient to maintain and clean.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-strength spherical cylinder head for a high-pressure excavator cylinder.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high strength sphere cylinder head for high pressure excavator hydro-cylinder, includes hydro-cylinder body, piston rod, sleeve, cylinder head, the piston rod left end is located the hydro-cylinder originally internally, the kneck of hydro-cylinder body and piston rod is fixed with the go-between, go-between left surface mounting has the sleeve, both ends all are fixed with T type guide bar around the sleeve, the one end that T type guide bar is close to each other all runs through the sleeve and is connected with the connection semi-ring, the annular side all is fixed with cleaning cloth in the connection semi-ring, the piston rod left end is fixed with the cylinder head.
Preferably, a welding seam is arranged on the cylinder head, and a spherical surface is machined on the welding seam of the cylinder head.
Preferably, threaded holes are formed in the front end and the rear end of the annular side face of the connecting ring, bolts are arranged on the outer sides of the threaded holes, and the bolts penetrate through the connecting ring respectively and are in contact with the outer surface of the oil cylinder body.
Preferably, two springs are fixed between the sleeve and the connecting semi-ring, and the two springs are respectively sleeved on the T-shaped guide rod.
Preferably, the connecting half ring and the cleaning cloth are both obliquely arranged, and the inclination angle is 15 °.
The utility model has the advantages that: the connecting ring is convenient to mount through the bolt, when the piston rod extends out, the surface of the piston rod is wiped through the connecting semi-ring and the cleaning cloth, and meanwhile, oil stains on the surface of the piston rod are wiped off, so that the piston rod is convenient to clean.
The spherical surface is arranged at the welding seam of the cylinder head, so that the cylinder head is prevented from being fractured due to stress concentration, further, the stress is avoided better, the fracture is effectively avoided, and the space and the material cost are saved to the maximum extent.
The utility model discloses it is clean to be convenient for maintain the piston rod, has the sphere through processing in cylinder head welding seam department, avoids cylinder head stress concentration to damage the cylinder head.
Drawings
Fig. 1 is the utility model provides a top view of high strength sphere cylinder head for high pressure excavator hydro-cylinder.
Fig. 2 is the utility model provides a high pressure digs telescopic overlook cross-sectional view in high strength sphere cylinder head for quick-witted hydro-cylinder.
Reference numbers in the figures: the device comprises a cylinder head 1, a spherical surface 2, a piston rod 3, a sleeve 4, a 5T-shaped guide rod, a bolt 6, an oil cylinder body 7, a spring 8, a connecting semi-ring 9, a cleaning cloth 10, a threaded hole 11 and a connecting ring 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a high-strength spherical cylinder head for a high-pressure excavator cylinder comprises a cylinder body 7, a piston rod 3, a sleeve 4 and a cylinder head 1, wherein the left end of the piston rod 3 is located in the cylinder body 7, a connecting ring 12 is fixed at the interface of the cylinder body 7 and the piston rod 3, the sleeve 4 is fixed on the left surface of the connecting ring 12, T-shaped guide rods 5 are fixed at the front end and the rear end of the sleeve 4, one ends, close to each other, of the T-shaped guide rods 5 penetrate through the sleeve 4 and are connected with a connecting semi-ring 9, cleaning cloth 10 is fixed on the inner annular side face of the connecting semi-ring 9, and the cylinder head 1 is.
Be provided with the welding seam on cylinder head 1, 1 welding seam processing of cylinder head has sphere 2, avoid stress concentration, extension cylinder head 1 life, go-between 12 annular side front end and rear end have all seted up threaded hole 11, the threaded hole 11 outside all is provided with bolt 6, bolt 6 runs through go-between 12 respectively and contacts with 7 surfaces of hydro-cylinder body, be convenient for to go-between 12 installation, be fixed with two springs 8 between sleeve 4 and the connection semi-ring 9, two springs 8 suit respectively are on T type guide bar 5, connection semi-ring 9 and cleaning cloth 10 are the slope setting, and inclination is 15.
The working principle is as follows: the device is when using, twist bolt 6 in screw hole 11, the go-between 12 of being convenient for is installed, when the device work is, piston rod 3 stretches out, make cleaning cloth 10 clean 3 surfaces of piston rod through spring 8 and connecting semi-ring 9, wipe the oil stain on 3 surfaces of piston rod simultaneously, thereby be convenient for clean, take piston rod 3 when withdrawing, through being provided with sphere 2 in 1 welding seam department of cylinder head, thereby avoid stress concentration to lead to 1 fracture of cylinder head, and then better stress of stepping off, effectively avoid fracture and furthest's saving space and material cost.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a high strength sphere cylinder head for high pressure excavator hydro-cylinder, includes hydro-cylinder body (7), piston rod (3), sleeve (4), cylinder head (1), its characterized in that, piston rod (3) left end is located hydro-cylinder body (7), the kneck of hydro-cylinder body (7) and piston rod (3) is fixed with go-between (12), go-between (12) left side fixed surface has sleeve (4), both ends all are fixed with T type guide bar (5) around sleeve (4), the one end that T type guide bar (5) are close to each other all runs through sleeve (4) and is connected with and connects semi-ring (9), ring (9) interior annular side all is fixed with cleaning cloth (10) in connecting semi-ring (9), piston rod (3) left end is fixed with cylinder head (1).
2. The high-strength spherical cylinder head for the oil cylinder of the high-pressure excavator according to claim 1, characterized in that a welding seam is arranged on the cylinder head (1), and the spherical surface (2) is processed on the welding seam of the cylinder head (1).
3. The high-strength spherical cylinder head for the oil cylinder of the high-pressure excavator according to claim 1, wherein threaded holes (11) are formed in the front end and the rear end of the annular side surface of the connecting ring (12), bolts (6) are arranged on the outer sides of the threaded holes (11), and the bolts (6) respectively penetrate through the connecting ring (12) and are in contact with the outer surface of the oil cylinder body (7).
4. The high-strength spherical head for the oil cylinder of the high-pressure excavator according to claim 1, wherein two springs (8) are fixed between the sleeve (4) and the connecting semi-ring (9), and the two springs (8) are respectively sleeved on the T-shaped guide rod (5).
5. The high-strength spherical head for the oil cylinder of the high-pressure excavator according to claim 1, wherein the connecting half ring (9) and the cleaning cloth (10) are arranged in an inclined manner, and the inclined angle is 15 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020456422.0U CN212250676U (en) | 2020-04-01 | 2020-04-01 | High-strength spherical cylinder head for oil cylinder of high-pressure excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020456422.0U CN212250676U (en) | 2020-04-01 | 2020-04-01 | High-strength spherical cylinder head for oil cylinder of high-pressure excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212250676U true CN212250676U (en) | 2020-12-29 |
Family
ID=73984599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020456422.0U Expired - Fee Related CN212250676U (en) | 2020-04-01 | 2020-04-01 | High-strength spherical cylinder head for oil cylinder of high-pressure excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212250676U (en) |
-
2020
- 2020-04-01 CN CN202020456422.0U patent/CN212250676U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |