CN220869776U - Quick pressurization supporting cylinder - Google Patents
Quick pressurization supporting cylinder Download PDFInfo
- Publication number
- CN220869776U CN220869776U CN202322787507.3U CN202322787507U CN220869776U CN 220869776 U CN220869776 U CN 220869776U CN 202322787507 U CN202322787507 U CN 202322787507U CN 220869776 U CN220869776 U CN 220869776U
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- Prior art keywords
- piston rod
- cylinder
- pressurizing
- cylinder barrel
- rod
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- 238000007789 sealing Methods 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 19
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a rapid pressurizing support cylinder, which comprises a cylinder barrel, a first piston rod and a second piston rod, wherein the first piston rod and the second piston rod are arranged in the cylinder barrel, and the cylinder barrel is a cylinder body with two open ends; the left end of the cylinder barrel is provided with a pressurizing barrel; the pressurizing cylinder is welded and fixed with the cylinder barrel; the pressurizing cylinder is provided with a pressurizing port and a quick oil discharge port, and a pressurizing cavity is arranged between the pressurizing cylinder and the first piston rod; the right end of the cylinder barrel is connected with a first guide sleeve through a bolt and matched with a first piston rod; the first piston rod is a cylinder body with one end open, and is inserted into the cylinder barrel; a second guide sleeve is arranged at the opening of the first piston rod; the cylinder barrel is provided with a first oil port communicated with the rod cavity; the second piston rod is a cylinder body with two open ends, one end of the second piston rod is inserted into the first piston rod, and the other end of the second piston rod is exposed out of the pressurizing cylinder and is provided with a second oil port. The utility model can ensure that the end part of the first piston rod can have a continuous pressure support, and ensure the stability of the first piston rod in the running process.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to a rapid pressurizing supporting cylinder.
Background
The traditional support cylinder is a single-acting hydraulic cylinder and consists of a cylinder body, a piston rod, a sealing element and the like.
The existing supporting cylinder is provided with an oil inlet and an oil outlet; the supporting cylinder is extended and retracted through the pressure difference between the oil inlet and outlet, but the supporting cylinder is supported through a group of oil inlet and outlet ways, so that the hydraulic oil cylinder cannot be supported by enough force due to insufficient working pressure of a hydraulic system in the use process, sinking is caused, damage to components is finally caused, and the service life is reduced.
Disclosure of utility model
The utility model aims to provide a quick pressurizing support cylinder with stable output.
The purpose of the utility model is realized in the following way: the quick pressurizing support cylinder comprises a cylinder barrel, a first piston rod and a second piston rod which are arranged in the cylinder barrel,
The cylinder barrel is a cylinder barrel with two open ends; the left end of the cylinder barrel is provided with a pressurizing barrel; the pressurizing cylinder is welded and fixed with the cylinder barrel; the pressurizing cylinder is provided with a pressurizing port and a quick oil drain port, and a pressurizing cavity is arranged between the pressurizing cylinder and the first piston rod; the right end of the cylinder barrel is connected with a first guide sleeve through a bolt and matched with a first piston rod;
The first piston rod is a cylinder body with one end open, the first piston rod is inserted into the cylinder barrel, and one end which is not open is exposed out of the cylinder barrel; a second guide sleeve is arranged at the opening of the first piston rod; a rod cavity is formed between the first piston rod and the cylinder barrel; the cylinder barrel is provided with a first oil port communicated with the rod cavity;
The second piston rod is a cylinder body with two open ends, one end of the second piston rod is inserted into the first piston rod, and the other end of the second piston rod is exposed out of the pressurizing cylinder and is provided with a second oil port; the second piston rod and the inner cavity of the first piston rod form a rodless cavity.
Preferably, the inner diameter surface of the first guide sleeve is provided with a dust ring, a supporting ring, a sealing ring for a rod and a Style seal in sequence from right to left; the inner diameter surface of the first guide sleeve is provided with two groups of O-shaped rings.
Preferably, the left end of the first piston rod is provided with an enlarged diameter, the outer diameter surface of the enlarged diameter is in interference fit with the inner diameter surface of the cylinder barrel, and the outer diameter surface of the enlarged diameter is sequentially provided with a supporting ring, a Gelai ring and a sealing ring for the rod from right to left.
Preferably, the inner diameter surface of the second guide sleeve is provided with a supporting ring, a sealing ring for a rod and a Style seal in sequence from right to left; the second guide sleeve is fixed with the end face with the enlarged diameter in a matched mode through bolts.
Preferably, a valve is arranged at the fast oil drain port.
Preferably, a spring washer is arranged between the bolt and the first guide sleeve and between the bolt and the second guide sleeve.
Compared with the prior art, the utility model has the following advantages:
The cylinder barrel is provided with a pressurizing cylinder at one end, hydraulic oil can be added into the pressurizing cylinder after the first piston rod stretches out, so that the end part of the first piston rod can be ensured to have a continuous pressure support, and the loosening phenomenon of the first piston rod is avoided; further ensuring the stability of the first piston rod during operation.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
The cylinder barrel comprises a cylinder barrel body 1, a first oil port 101, a first piston rod 2, an enlarged diameter 201, a second piston rod 3, a second oil port 301, a pressurizing cylinder 4, a pressurizing port 401, a quick oil discharge port 402, a first guide sleeve 5, a second guide sleeve 6, a rod cavity 7, a rodless cavity 8, a dust-proof ring 9, a supporting ring 10, a rod sealing ring 11, a 12 Style seal, a 13O-shaped ring 14 Gray rings and a pressurizing cavity 15.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the quick pressurizing support cylinder comprises a cylinder barrel 1, and further comprises a first piston rod 2 and a second piston rod 3 which are arranged in the cylinder barrel 1;
The cylinder barrel 1 is a cylinder body with two open ends; the left end of the cylinder barrel 1 is provided with a pressurizing barrel 4; the pressurizing cylinder 4 is welded and fixed with the cylinder barrel 1; the pressurizing cylinder 4 is provided with a pressurizing port 401 and a quick oil drain port 402, and a pressurizing cavity 15 is arranged between the pressurizing cylinder 4 and the first piston rod 2; the right end of the cylinder barrel 1 is connected with a first guide sleeve 5 through a bolt and matched with the first piston rod 2;
The first piston rod 2 is a cylinder body with one end open, the first piston rod 2 is inserted into the cylinder 1, and one end which is not open is exposed out of the cylinder 1; a second guide sleeve 6 is arranged at the opening of the first piston rod 2; a rod cavity 7 is formed between the first piston rod 2 and the cylinder barrel 1; the cylinder barrel 1 is provided with a first oil port 101 communicated with the rod cavity 7, oil is injected into the rod cavity, and the first piston rod is retracted;
The second piston rod 3 is a cylinder body with two open ends, one end of the second piston rod 3 is inserted into the first piston rod 2, and the other end of the second piston rod 3 is exposed out of the pressurizing cylinder 4 and is provided with a second oil port 301; the second piston rod 3 and the inner cavity of the first piston rod 1 form a rodless cavity 8, oil is injected into the rodless cavity, and the first piston rod extends out; the rodless cavity adopts a small-diameter cavity body, so that a small amount of hydraulic oil can be used for rapidly driving the first piston rod.
As shown in fig. 1, the inner diameter surface of the first guide sleeve 5 is provided with a dust ring 9, a supporting ring 10, a sealing ring 11 for a rod and a Style seal 12 in sequence from right to left; the inner diameter surface of the first guide sleeve 5 is provided with two groups of O-shaped rings 13, the dust-proof rings are used for preventing external dust from entering, the supporting rings are used for supporting the first guide sleeve and the first piston rod, and the sealing rings and the Style seals for the rod are used for improving the tightness between the first piston rod and the first guide sleeve.
As shown in fig. 1, the left end of the first piston rod 2 is provided with an enlarged diameter 201, the outer diameter surface of the enlarged diameter 201 is in abutting fit with the inner diameter surface of the cylinder barrel 1, and the outer diameter surface of the enlarged diameter 201 is provided with a supporting ring 10, a glair 14 and a rod sealing ring 11 in order from right to left, wherein the glair and the rod sealing ring are used for improving the tightness between the second piston rod and the second guide sleeve.
As shown in fig. 1, the inner diameter surface of the second guide sleeve 6 is provided with a supporting ring 10, a sealing ring 12 for a rod and a Style seal 13 in sequence from right to left; the second guide bush 6 is fixed to the end face of the enlarged diameter 201 by a bolt.
As shown in fig. 1, a valve (not shown) is disposed at the fast oil drain port 402, and after the valve is opened, the hydraulic oil drain rate in the pressurizing cavity can be increased, so as to increase the retraction speed of the first piston rod.
As shown in fig. 1, a spring washer (not shown in the figure) is arranged between the bolt and the first guide sleeve 5 and the second guide sleeve 6, and the spring washer is used for ensuring the stability of the bolt after installation and avoiding loosening.
The working principle of the utility model is explained as follows: when the device is used, oil is injected into the rod cavity, and the first piston rod is retracted; oiling is carried out in the rodless cavity, and the first piston rod extends out; after the first piston rod stretches out for a certain length, oil can be injected into the pressurizing cavity, the stretching state of the first piston rod is further stabilized, and therefore stable support of the hydraulic cylinder is achieved.
The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.
Claims (6)
1. A rapid pressurizing support cylinder is characterized by comprising a cylinder barrel, a first piston rod and a second piston rod which are arranged in the cylinder barrel,
The cylinder barrel is a cylinder barrel with two open ends; the left end of the cylinder barrel is provided with a pressurizing barrel; the pressurizing cylinder is welded and fixed with the cylinder barrel; the pressurizing cylinder is provided with a pressurizing port and a quick oil drain port, and a pressurizing cavity is arranged between the pressurizing cylinder and the first piston rod; the right end of the cylinder barrel is connected with a first guide sleeve through a bolt and matched with a first piston rod;
The first piston rod is a cylinder body with one end open, the first piston rod is inserted into the cylinder barrel, and one end which is not open is exposed out of the cylinder barrel; a second guide sleeve is arranged at the opening of the first piston rod; a rod cavity is formed between the first piston rod and the cylinder barrel; the cylinder barrel is provided with a first oil port communicated with the rod cavity;
The second piston rod is a cylinder body with two open ends, one end of the second piston rod is inserted into the first piston rod, and the other end of the second piston rod is exposed out of the pressurizing cylinder and is provided with a second oil port; the second piston rod and the inner cavity of the first piston rod form a rodless cavity.
2. The quick pressurizing support cylinder according to claim 1, wherein the inner diameter surface of the first guide sleeve is provided with a dust ring, a supporting ring, a rod sealing ring and a Style seal in sequence from right to left; the inner diameter surface of the first guide sleeve is provided with two groups of O-shaped rings.
3. The quick pressurizing support cylinder according to claim 1, wherein the left end of the first piston rod is provided with an enlarged diameter, the outer diameter surface of the enlarged diameter is in interference fit with the inner diameter surface of the cylinder barrel, and the outer diameter surface of the enlarged diameter is sequentially provided with a supporting ring, a gray ring and a sealing ring for a rod from right to left.
4. The quick pressurizing support cylinder according to claim 1, wherein the inner diameter surface of the second guide sleeve is provided with a supporting ring, a sealing ring for a rod and a Style seal in sequence from right to left; the second guide sleeve is fixed with the end face with the enlarged diameter in a matched mode through bolts.
5. A quick compression support cylinder as claimed in claim 1, wherein a valve is provided at the quick drain port.
6. The quick compression support cylinder of claim 1, wherein a spring washer is disposed between the bolt and the first and second guide sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322787507.3U CN220869776U (en) | 2023-10-17 | 2023-10-17 | Quick pressurization supporting cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322787507.3U CN220869776U (en) | 2023-10-17 | 2023-10-17 | Quick pressurization supporting cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869776U true CN220869776U (en) | 2024-04-30 |
Family
ID=90811480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322787507.3U Active CN220869776U (en) | 2023-10-17 | 2023-10-17 | Quick pressurization supporting cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869776U (en) |
-
2023
- 2023-10-17 CN CN202322787507.3U patent/CN220869776U/en active Active
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