CN220581408U - Hydraulic cylinder piston fastening structure - Google Patents
Hydraulic cylinder piston fastening structure Download PDFInfo
- Publication number
- CN220581408U CN220581408U CN202322252734.6U CN202322252734U CN220581408U CN 220581408 U CN220581408 U CN 220581408U CN 202322252734 U CN202322252734 U CN 202322252734U CN 220581408 U CN220581408 U CN 220581408U
- Authority
- CN
- China
- Prior art keywords
- piston
- reinforcing plate
- piston rod
- fastening structure
- mounting groove
- 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.)
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Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a hydraulic cylinder piston fastening structure which comprises a piston rod and a piston, wherein the piston is sleeved on the piston rod, a reinforcing plate is arranged between the piston rod and the piston, one end of the reinforcing plate is connected with the end face of the piston, and the other end of the reinforcing plate is connected with the end part of the piston rod. The utility model can improve the connection stability of the piston rod and the piston.
Description
Technical Field
The utility model belongs to the technical field of hydraulic cylinders, and relates to a hydraulic cylinder piston fastening structure.
Background
The hydraulic cylinder is used as a common part in a hydraulic system and is an executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion, and the hydraulic cylinder has no transmission clearance, so that the hydraulic cylinder is widely used in various hydraulic equipment (engineering machinery, ships, automobiles and the like). The hydraulic cylinder is used as a very important actuating element, and the fixing effect of the piston rod and the piston is one of important influencing factors for influencing the stability of the hydraulic cylinder.
Under specific working conditions, such as a shield tunneling machine and a heading machine, the hydraulic cylinder is required to drill rock on a mountain sometimes, so that the hydraulic cylinder is required to work under vibration working conditions, and is also required to work for a long time, vibration is a main cause of loosening of a piston rod and a piston, and equipment under the working conditions generally needs a very high service life because shutdown maintenance loss is immeasurable.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a hydraulic cylinder piston fastening structure which can improve the connection stability of a piston rod and a piston.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides a hydraulic cylinder piston fastening structure, includes piston rod and piston, the piston cover is located the piston rod, the piston rod with be equipped with the gusset plate between the piston, the one end of gusset plate with the terminal surface of piston meets, the other end of gusset plate with the tip of piston rod meets.
Optionally, a first mounting groove for mounting the reinforcing plate is formed in the end face of the piston, and the end portion of the reinforcing plate is connected with the first mounting groove.
Optionally, a fixing mechanism for fixing the reinforcing plate is arranged on the first mounting groove.
Optionally, the fixing mechanism includes a screw and a screw hole, the screw hole is disposed at the bottom of the first installation groove, and the screw penetrates through the reinforcing plate and is in threaded connection with the screw hole.
Optionally, a second mounting groove for mounting the reinforcing plate is formed in the end portion of the piston rod, and the end portion of the reinforcing plate is connected with the second mounting groove.
Optionally, a seam-riding screw is arranged between the piston rod and the piston along the axial direction of the piston rod, and the seam-riding screw is in threaded connection with the side wall of the piston rod and the inner wall of the piston.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a hydraulic cylinder piston fastening structure, wherein a reinforcing plate improves the stability of connection between a piston rod and a piston;
the first mounting groove and the second mounting groove are convenient for the installation of the reinforcing plate, and can prevent the piston rod and the piston from rotating relatively, so that the stable connection of the piston rod and the piston is realized.
Drawings
Fig. 1 is a schematic view of a fastening structure of a piston of a hydraulic cylinder according to an embodiment of the present utility model.
In the figure: 1. a screw; 2. a reinforcing plate; 3. a joint screw; 4. a piston rod; 5. a piston; 6. a first mounting groove; 7. and a second mounting groove.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Example 1
As shown in fig. 1, the hydraulic cylinder piston fastening structure comprises a piston rod 4 and a piston 5, wherein the piston 5 is sleeved on the piston rod 4, the inner wall of the piston 5 is connected with the side wall of the piston rod 4, a reinforcing plate 2 is arranged between the piston rod 4 and the piston 5, one end of the reinforcing plate 2 is connected with the end face of the piston 5, and the other end of the reinforcing plate 2 is connected with the end part of the piston rod 4.
Example two
As shown in fig. 1, unlike the first embodiment, the end surface of the piston 5 of the present embodiment is provided with a first mounting groove 6 for mounting the reinforcing plate 2, and the end of the reinforcing plate 2 is connected to the first mounting groove 6; the first mounting groove 6 is provided with a fixing mechanism for fixing the reinforcing plate 2, the fixing mechanism comprises a screw 1 and a screw hole, the screw hole is formed in the bottom of the first mounting groove 6, and the screw 1 penetrates through the reinforcing plate 2 and is in threaded connection with the screw hole.
The end of the piston rod 4 is provided with a second mounting groove 7 for mounting the reinforcing plate 2, and the end of the reinforcing plate 2 is connected with the second mounting groove 7.
A joint screw 3 is arranged between the piston rod 4 and the piston 5 along the axial direction of the piston rod 4, the joint screw 3 is in threaded connection with the side wall of the piston rod 4 and the inner wall of the piston 5, and the joint screw 3 further improves the connection stability of the piston rod 4 and the piston 5.
The reinforcing plate 2 is square, and the reinforcing plate 2 is made of steel.
The utility model can bear great lateral force; the vibration damper is not easy to fail and loose, and can meet the requirement of complex vibration working conditions; and the disassembly is convenient and the maintainability is strong.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (6)
1. The utility model provides a hydraulic cylinder piston fastening structure, includes piston rod and piston, the piston cover is located the piston rod, its characterized in that: a reinforcing plate is arranged between the piston rod and the piston, one end of the reinforcing plate is connected with the end face of the piston, and the other end of the reinforcing plate is connected with the end part of the piston rod;
the end face of the piston is provided with a first mounting groove for mounting the reinforcing plate, and the end part of the reinforcing plate is connected with the first mounting groove;
the end part of the piston rod is provided with a second mounting groove for mounting the reinforcing plate, and the end part of the reinforcing plate is connected with the second mounting groove.
2. The hydraulic ram piston fastening structure according to claim 1, wherein: and the first mounting groove is provided with a fixing mechanism for fixing the reinforcing plate.
3. The hydraulic ram piston fastening structure according to claim 2, wherein: the fixing mechanism comprises a screw and a screw hole, the screw hole is formed in the bottom of the first mounting groove, and the screw penetrates through the reinforcing plate and is in threaded connection with the screw hole.
4. The hydraulic ram piston fastening structure according to claim 1, wherein: and a seam riding screw is arranged between the piston rod and the piston along the axial direction of the piston rod and is in threaded connection with the side wall of the piston rod and the inner wall of the piston.
5. The hydraulic ram piston fastening structure according to claim 1, wherein: the reinforcing plate is square.
6. The hydraulic ram piston fastening structure according to claim 1, wherein: the reinforcing plate is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322252734.6U CN220581408U (en) | 2023-08-22 | 2023-08-22 | Hydraulic cylinder piston fastening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322252734.6U CN220581408U (en) | 2023-08-22 | 2023-08-22 | Hydraulic cylinder piston fastening structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581408U true CN220581408U (en) | 2024-03-12 |
Family
ID=90120952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322252734.6U Active CN220581408U (en) | 2023-08-22 | 2023-08-22 | Hydraulic cylinder piston fastening structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581408U (en) |
-
2023
- 2023-08-22 CN CN202322252734.6U patent/CN220581408U/en active Active
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