CN212106443U - Equal-support guide hollow rod pneumatic and hydraulic cylinder - Google Patents
Equal-support guide hollow rod pneumatic and hydraulic cylinder Download PDFInfo
- Publication number
- CN212106443U CN212106443U CN202020694550.9U CN202020694550U CN212106443U CN 212106443 U CN212106443 U CN 212106443U CN 202020694550 U CN202020694550 U CN 202020694550U CN 212106443 U CN212106443 U CN 212106443U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- rod
- cylinder
- pneumatic
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model provides a hollow rod pneumatic and hydraulic cylinder in support direction, belongs to special operating mode equipment field, is connected oil circuit piece, pneumatic cylinder, pneumatic cylinder pole piston and pneumatic cylinder pole by the pneumatic cylinder and constitutes, and the figure of pneumatic cylinder is two, divides two down, and two pneumatic cylinder cylinders pass through the pneumatic cylinder and connect the connection of oil circuit piece and pass through the fix with screw, and beneficial part is: the hollow piston rod moves in the fixed cylinder barrel, and moves back and forth under the supporting action of double pistons at two sides of the distributed cylinder rod by taking the inner wall hole of the cylinder barrel as a guide; the span of the supporting point of the piston rod is always kept unchanged at any position in the moving process, so that the effect of stable movement of the piston rod is achieved; the oil inlet and outlet ports are arranged in the middle part and are distributed with the oil path blocks, so that the arrangement of the oil paths is simplified; the hollow piston rod of the moving part moves in the cylinder barrel, so that the oil cylinder barrel is not leaked outside, and safety guarantee is provided; the hollow oil cylinder rod brings convenience to the connection of the load.
Description
Technical Field
The utility model relates to a when support direction well hollow rod pneumatic and hydraulic cylinder, specifically speaking adopt the cylinder structure of symmetry formula, the removal of support direction such as the cylinder is inside to be realized to well hollow cylinder pole after the cylinder is fixed belongs to special operating mode equipment field.
Background
The existing hydraulic cylinders have a movable piston in the middle and oil distribution on both sides of the output end; the hydraulic cylinder is an oil path block with oil distribution in the middle, and moving double pistons are distributed on two sides of a hollow piston rod; the reciprocating motion output of the hydraulic cylinder is realized along with the media such as oil gas and the like which are periodically exchanged between two oil cavities separated by the middle oil path block; because the acting areas in the working cavities on the two sides are equal, the output force is equal, and the speed is uniform.
The utility model discloses owing to have the steady operation, simple to operate, join in marriage characteristics such as oil is concentrated, can the wide application in various special areas: the oil pumping unit is utilized on an oil wellhead hydraulic pumping unit by virtue of the excellent characteristics; on a hydraulically-pushed reciprocating workbench in the machine tool industry, two commonly used single-acting plunger cylinders can be completely replaced; the method can also be used for expanding a space in the fields of geological exploration, ships, aerospace and the like.
Disclosure of Invention
To the above-mentioned not enough, the utility model provides a hollow rod pneumatic cylinder in support direction when waiting.
The utility model discloses a realize through following technical scheme: the hydraulic cylinder is composed of two hydraulic cylinder connecting oil path blocks, two hydraulic cylinder barrels, two hydraulic cylinder rod pistons and two hydraulic cylinder rod rods, wherein the two hydraulic cylinder barrels are divided into an upper hydraulic cylinder barrel and a lower hydraulic cylinder barrel, the two hydraulic cylinder barrels are connected with the oil path blocks through the hydraulic cylinders and are fixed through screws, the two hydraulic cylinder rod pistons and the hydraulic cylinder rod rods are connected and sealed through two small-size sealing rings, the two hydraulic cylinder rod pistons and the hydraulic cylinder rod rods are connected and then are installed in the hydraulic cylinder barrels and sealed through four large-size sealing rings and two medium-size sealing rings, and the hydraulic cylinders are connected with the oil path blocks and are in contact with the hydraulic cylinder rods through main sealing rings.
The pneumatic cylinder connect the oil circuit piece constitute by pillar and installation boss, the upper and lower surface of pillar be equipped with connecting screw hole, the upper and lower surface of installation boss on be equipped with four hydraulic fluid ports altogether, two sides of pillar be equipped with high-pressure entry and low pressure entry, high-pressure entry with low pressure entry pass through horizontal intercommunicating pore and hydraulic fluid port intercommunication, the pneumatic cylinder connect oil circuit piece inner edge and be equipped with main seal groove.
The hydraulic cylinder barrel is composed of a cylindrical pipe and a flange plate, the flange plate is divided into an upper flange and a lower flange, one side of the flange plate is provided with a fixing threaded hole, and the other side of the flange plate is provided with a positioning threaded hole.
The hydraulic cylinder rod piston takes a cylinder sleeve body as a base body, a small-size sealing groove and an impact-proof groove are sequentially arranged at the inner edge of the cylinder sleeve body, two large-size sealing grooves and a medium-size sealing groove are sequentially arranged at the outer edge of the cylinder sleeve body, and chamfers are arranged at the upper part and the lower part of the outer edge of the cylinder sleeve body.
The hydraulic cylinder rod is formed by connecting a long rod and two convex rods, a hollow pipe is arranged between the upper convex rod and the lower convex rod, and external threads are arranged on the outer edges of the convex rods.
The invention has the advantages that:
the hollow piston rod moves in the fixed cylinder barrel, and moves back and forth under the supporting action of double pistons at two sides of the distributed cylinder rod by taking the inner wall hole of the cylinder barrel as a guide;
the span of the supporting point of the piston rod is always kept unchanged at any position in the moving process, so that the effect of stable movement of the piston rod is achieved;
the oil inlet and outlet ports are arranged in the middle part and are distributed with the oil path blocks, so that the arrangement of the oil paths is simplified;
the hollow piston rod of the moving part moves in the cylinder barrel, so that the moving part does not leak out of the cylinder barrel, and safety guarantee is provided;
the hollow oil cylinder rod brings convenience to the connection of the load.
Drawings
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a half-section perspective view of the present invention;
FIG. 3 is an isometric view of a hydraulic cylinder connection oil circuit block of the present invention;
FIG. 4 is an isometric view of a hydraulic cylinder barrel of the present invention;
FIG. 5 is an 1/4 cut-away isometric view of a hydraulic cylinder rod piston of the present invention;
fig. 6 is an axonometric view of the cylinder rod of the hydraulic cylinder of the present invention;
fig. 7 is a partially enlarged view of the position a of the present invention.
In the figure, 1, a hydraulic cylinder connecting oil path block, 2, a hydraulic cylinder barrel, 3, a hydraulic cylinder rod piston, 4, a hydraulic cylinder rod, 5, a large-size sealing ring, 6, a medium-size sealing ring, 7, a small-size sealing ring, 8, a main sealing ring, 101, a pillar, 102, a connecting threaded hole, 103, an installation boss, 104, an oil port, 105, a high-pressure inlet, 106, a low-pressure outlet, 107, a transverse communication hole, 108, a main sealing groove, 201, a cylindrical pipe, 202, a flange plate, 203, a fixing threaded hole, 204, a positioning threaded hole, 301, a cylinder sleeve body, 302, a small-size sealing groove, 303, a large-size sealing groove, 304, a medium-size sealing groove, 305, an anti-impact groove, 401, a long rod, 402, a convex rod.
Detailed Description
The equal-support guide hollow rod pneumatic and hydraulic cylinder is composed of a hydraulic cylinder connecting oil circuit block 1, a hydraulic cylinder barrel 2, a hydraulic cylinder rod piston 3 and a hydraulic cylinder rod 4, wherein the number of the hydraulic cylinder barrel 2 is two, the hydraulic cylinder barrel 2 is divided into two parts, the two hydraulic cylinder barrels 2 are connected with the oil circuit block 1 through hydraulic cylinders and are fixed through screws, the two hydraulic cylinder rod pistons 3 and the hydraulic cylinder rod 4 are connected and are sealed through two small-size sealing rings 7, the two hydraulic cylinder rod pistons 3 and the hydraulic cylinder rod 4 are connected and then are installed in the hydraulic cylinder barrel 2 and are sealed through four large-size sealing rings 5 and two medium-size sealing rings 6, and the hydraulic cylinder connecting oil circuit block 1 is in contact with the hydraulic cylinder rod 4 through a main sealing ring 108.
Further, the hydraulic cylinder connect oil circuit piece 1 constitute by pillar 101 and installation boss 103, the upper and lower surface of pillar 101 be equipped with connecting thread hole 102, the upper and lower surface of installation boss 101 on be equipped with four hydraulic fluid ports 104 altogether, two sides of pillar 101 be equipped with high-pressure inlet 105 and low pressure entry 106, high-pressure inlet 105 with low pressure entry 106 pass through horizontal intercommunicating pore 107 and hydraulic fluid port 104 intercommunication, the hydraulic cylinder connect oil circuit piece 1 and be equipped with main seal groove 108.
Further, the cylinder barrel 2 of the hydraulic cylinder is composed of a cylindrical pipe 201 and a flange 202, the flange 202 is divided into an upper part and a lower part, one side of the flange 202 is provided with a fixing threaded hole 203, and the other side of the flange 202 is provided with a positioning threaded hole 204.
Further, the hydraulic cylinder rod piston 3 takes a cylinder sleeve body 301 as a base body, a small-size sealing groove 302 and an anti-impact groove 305 are sequentially arranged on the inner edge of the cylinder sleeve body 301, two large-size sealing grooves 303 and a medium-size sealing groove 304 are sequentially arranged on the outer edge of the cylinder sleeve body 301, and chamfers are arranged on the upper portion and the lower portion of the outer edge of the cylinder sleeve body 301.
Furthermore, the hydraulic cylinder rod 4 is formed by connecting a long rod 401 and two convex rods 402, a hollow pipe 403 is arranged between the upper convex rod 402 and the lower convex rod 402, and the outer edge of the convex rod 402 is provided with external threads.
Before the device is used, the main sealing ring 8 is firstly put into the main sealing groove 108 of the hydraulic cylinder connecting oil path block 1, and then the hydraulic cylinder rod 4 is penetrated into the main sealing groove. Sleeving a small-size sealing ring 7 in the small-size sealing groove 302, then installing two hydraulic cylinder rod pistons 3 at two ends of a hydraulic cylinder rod 4, then sleeving a medium-size sealing ring 6 in the medium-size sealing groove 304, sleeving a large-size sealing ring 5 in the large-size sealing groove 303, then inserting the whole into the hollow pipe 403, meanwhile, concentrically fixing the positioning threaded hole 204 and the connecting threaded hole 102 on the two hydraulic cylinder sleeve sleeves 2 through screws, and fixing the device through the fixing threaded hole 203 on the hydraulic cylinder barrel 2 through screws; when the device is used, high-pressure oil is introduced through the two high-pressure inlets 105, flows into the hydraulic cylinder barrel 2 from the oil port 104 through the transverse communication hole 107, pushes the hydraulic cylinder rod piston 3 to drive the hydraulic cylinder rod 4 to move upwards, and simultaneously liquid in the hydraulic cylinder barrel 2 at the lower part is discharged from the low-pressure outlet 106 through the damping hole 107 through the oil port 104, and the reverse operation can be realized by replacing the high-pressure inlets 105 and the low-pressure outlet 106.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (5)
1. The utility model provides a hollow rod pneumatic and hydraulic cylinder in support direction, is connected oil circuit piece, pneumatic cylinder, pneumatic cylinder jar pole piston and pneumatic cylinder jar pole by the pneumatic cylinder and constitutes its characterized in that: the hydraulic cylinder is characterized in that the number of the hydraulic cylinder barrels is two, the hydraulic cylinder barrels are divided into an upper part and a lower part, the two hydraulic cylinder barrels are connected through a hydraulic cylinder connecting oil path block and fixed through screws, the two hydraulic cylinder rod pistons are connected with the hydraulic cylinder rod and sealed through two small-size sealing rings, the two hydraulic cylinder rod pistons and the hydraulic cylinder rod are installed in the hydraulic cylinder barrels after being connected, and are sealed through four large-size sealing rings and two medium-size sealing rings, and the hydraulic cylinder connecting oil path block is in contact with the hydraulic cylinder rod through a main sealing ring.
2. The apparatus of claim 1, further comprising: the pneumatic cylinder connect the oil circuit piece constitute by pillar and installation boss, the upper and lower surface of pillar be equipped with connecting screw hole, the upper and lower surface of installation boss on be equipped with four hydraulic fluid ports altogether, two sides of pillar be equipped with high-pressure entry and low pressure entry, high-pressure entry with low pressure entry pass through horizontal intercommunicating pore and hydraulic fluid port intercommunication, the pneumatic cylinder connect oil circuit piece inner edge and be equipped with main seal groove.
3. The apparatus of claim 1, further comprising: the hydraulic cylinder barrel is composed of a cylindrical pipe and a flange plate, the flange plate is divided into an upper flange and a lower flange, one side of the flange plate is provided with a fixing threaded hole, and the other side of the flange plate is provided with a positioning threaded hole.
4. The apparatus of claim 1, further comprising: the hydraulic cylinder rod piston takes a cylinder sleeve body as a base body, a small-size sealing groove and an impact-proof groove are sequentially arranged at the inner edge of the cylinder sleeve body, two large-size sealing grooves and a medium-size sealing groove are sequentially arranged at the outer edge of the cylinder sleeve body, and chamfers are arranged at the upper part and the lower part of the outer edge of the cylinder sleeve body.
5. The apparatus of claim 1, further comprising: the hydraulic cylinder rod is formed by connecting a long rod and two convex rods, a hollow pipe is arranged between the upper convex rod and the lower convex rod, and external threads are arranged on the outer edges of the convex rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694550.9U CN212106443U (en) | 2020-04-29 | 2020-04-29 | Equal-support guide hollow rod pneumatic and hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694550.9U CN212106443U (en) | 2020-04-29 | 2020-04-29 | Equal-support guide hollow rod pneumatic and hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106443U true CN212106443U (en) | 2020-12-08 |
Family
ID=73618492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020694550.9U Active CN212106443U (en) | 2020-04-29 | 2020-04-29 | Equal-support guide hollow rod pneumatic and hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106443U (en) |
-
2020
- 2020-04-29 CN CN202020694550.9U patent/CN212106443U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201763722U (en) | Double-acting multilevel hydraulic cylinder | |
| CN110594233A (en) | Hydraulic cylinder structure of hydraulic system with higher frequency response requirement and limited installation space | |
| CN115405514A (en) | Fluid end and plunger pump | |
| CN207830270U (en) | Hydrostatic support type servo hydraulic cylinder | |
| CN212106443U (en) | Equal-support guide hollow rod pneumatic and hydraulic cylinder | |
| CN101893017B (en) | Multi-functional integrated type hydraulic cylinder | |
| CN111425479A (en) | Equal-support guide hollow rod pneumatic and hydraulic cylinder | |
| CN103671344A (en) | Pumping oil cylinder and pumping equipment provided with pumping oil cylinder | |
| CN203384000U (en) | Multi-cylinder and double-acting slurry discharge pump for mine | |
| CN219452378U (en) | Hydraulic reciprocating plunger pump high-pressure hydraulic end, plunger pump body and hydraulic plunger pump | |
| CN215908176U (en) | Double-acting feeding oil cylinder of digging and anchoring machine | |
| CN108302033B (en) | Axial telescopic cylinder assembly of high water-based plunger type hydraulic pump | |
| CN113864285A (en) | Double-acting feeding oil cylinder of digging and anchoring machine | |
| CN211231094U (en) | Double-piston rod type hydraulic oil cylinder | |
| CN206398084U (en) | Pitot tube pump radial double mechanical seal | |
| CN204511835U (en) | A kind of chamber of septum of slurry diaphragm pump | |
| CN108223491B (en) | Differential locking hydraulic cylinder | |
| CN103244502B (en) | Double-acting piston oil hydraulic cylinder | |
| CN110102601B (en) | Long cylinder continuous hydraulic shaping device | |
| CN113982545B (en) | Safety lifting Wen Zhuqi valve for oil well | |
| CN108561306B (en) | Double-acting full-balance inlet high-pressure hydraulic end | |
| CN213176260U (en) | Stable and reliable propelling hydraulic cylinder | |
| CN2837863Y (en) | Reinforced sealing device of controllable epicenter vibrator | |
| CN219045451U (en) | Double-piston booster cylinder structure | |
| CN216278758U (en) | Energy-saving oil cylinder and energy-saving oil pumping equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |