CN218564071U - Lightweight standard type loader hydro-cylinder bottom structure - Google Patents
Lightweight standard type loader hydro-cylinder bottom structure Download PDFInfo
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- CN218564071U CN218564071U CN202222966921.6U CN202222966921U CN218564071U CN 218564071 U CN218564071 U CN 218564071U CN 202222966921 U CN202222966921 U CN 202222966921U CN 218564071 U CN218564071 U CN 218564071U
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Abstract
The utility model belongs to the technical field of hydraulic cylinder, concretely relates to lightweight standard type loader oil cylinder bottom structure, including the vertical oil duct and the horizontal oil duct that communicate in the cylinder bottom, set up annular lightening groove in the cylinder bottom pressure-bearing terminal surface, the horizontal oil duct oil-out sets up in annular lightening groove, with annular lightening groove intercommunication; and a difference value is set between the outer diameter D1 of the annular weight-reducing groove and the diameter D of the pressure-bearing end surface of the cylinder bottom, and the inner diameter D2 of the annular weight-reducing groove is larger than the diameter of the bottom end part of the piston rod cylinder. The oil cylinder bottom structure of the utility model reduces the whole weight of the cylinder bottom component, reduces the product cost, accelerates the starting speed of the oil cylinder and improves the operation efficiency while ensuring the mechanical strength of the cylinder bottom component; rational in infrastructure, the function is perfect, and manufacturability is good, and the commonality is stronger.
Description
Technical Field
The utility model belongs to the technical field of hydraulic cylinder, concretely relates to standard type loader cylinder bottom of cylinder structure of lightweight.
Background
At present, the oil cylinder industry of the engineering machinery such as a loader, an excavator and the like in China is developed at a high speed, and the requirement of a host machine on the light weight of the oil cylinder is higher and higher. A cylinder barrel made of high-strength steel or a high-rigidity carbon fiber material is mainly used for winding the cylinder barrel around the oil cylinder in a lightweight mode by domestic oil cylinder manufacturers, so that the wall thickness of the cylinder barrel is reduced, and the weight of a product is reduced.
The prior patent CN201822215449.6 discloses a high-strength lightweight tensioning oil cylinder, which comprises a bracket, a cylinder body, slide and establish the ejector pin in the cylinder body, pull rod and cylinder body fixed connection, the pull rod slides for the support and sets up, be equipped with the spring between cylinder body and support, set up notes oil pipe way and the glib talker that is linked together with notes oil pipe way on the ejector pin, the cylinder body includes metal lining body and the carbon-fibre composite material enhancement layer of cladding in the metal lining body outside, pull rod and ejector pin all include metal lining core, cladding in the carbon-fibre composite material enhancement layer in the metal lining core body outside and cup joint the wear-resisting metal material layer in the carbon-fibre composite material enhancement layer outside, notes oil pipe way sets up on the metal lining core body of ejector pin, the glib talker runs through the wear-resisting metal material layer of ejector pin, carbon-fibre composite material enhancement layer and metal lining core body are linked together with notes oil pipe way. Compared with the traditional oil cylinder, the oil cylinder can reduce weight by about 40 percent, and has better strength, rigidity and fatigue resistance. This patent adopts the carbon-fibre composite enhancement layer to realize the attenuate of cylinder wall thickness, reduces product weight.
Because the price of high-strength steel or high-rigidity carbon fiber materials is high, the product cost is high, and the prior art carries out quantized design on the cylinder barrel of the oil cylinder, but does not carry out structure optimization weight reduction design on the cylinder bottom part of the oil cylinder.
SUMMERY OF THE UTILITY MODEL
To foretell problem, the utility model provides a lightweight standard type loader hydro-cylinder bottom of cylinder structure carries out configuration optimization to the hydro-cylinder bottom of cylinder, realizes the lightweight of bottom of cylinder structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the cylinder bottom structure of the lightweight standard loader oil cylinder comprises a longitudinal oil duct and a transverse oil duct which are communicated in the cylinder bottom, wherein an annular weight reduction groove is formed in a pressure-bearing end face of the cylinder bottom, and an oil outlet of the transverse oil duct is arranged in the annular weight reduction groove and is communicated with the annular weight reduction groove.
Further, the annular weight-reducing groove is formed by die forging.
Furthermore, the annular weight reduction groove and the pressure-bearing end surface of the cylinder bottom are concentric rings.
Furthermore, a difference value is set between the outer diameter D1 of the annular weight reduction groove and the diameter D of the pressure-bearing end surface of the cylinder bottom.
Further, the minimum difference between D1 and D is not less than 10mm.
Further, the inner diameter D2 of the annular weight reduction groove is larger than the diameter of the bottom end part of the piston rod cylinder.
The utility model discloses a hydro-cylinder bottom of cylinder structure compares prior art and has following advantage:
(1) the mechanical strength of the cylinder bottom component is ensured, the overall weight of the cylinder bottom component is reduced, and the product cost is reduced;
(2) the starting speed of the oil cylinder is increased, and the operation efficiency is improved.
The utility model discloses a hydro-cylinder jar bottom is rational in infrastructure, and the function is perfect, and manufacturability is good, and the commonality is stronger.
Drawings
FIG. 1: the end face schematic diagram of the cylinder bottom structure of the oil cylinder of the utility model;
FIG. 2: the utility model discloses schematic diagram of hydro-cylinder bottom of a jar structure.
Detailed Description
The purpose, technical scheme and advantages of the utility model are more clear, and the utility model is further explained in detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1 to 2, in the cylinder bottom structure of the lightweight standard loader, an annular weight-reducing groove 1 is formed in a cylinder bottom pressure-bearing end surface 4, and the annular weight-reducing groove 1 is formed by die forging without machining. The annular weight-reducing groove 1 and the cylinder bottom pressure-bearing end surface 4 are concentric rings, so that the area of the cylinder bottom pressure-bearing end surface 4 can be utilized to the maximum efficiency, and the weight-reducing efficiency of the cylinder bottom is improved.
A certain interval exists between the edge of the weight reduction groove and the edge of the cylinder bottom pressure-bearing end face 4, the strength of the edge of the cylinder bottom pressure-bearing end face 4 is guaranteed, namely a certain difference value exists between the outer diameter D1 of the annular weight reduction groove 1 and the diameter D of the cylinder bottom pressure-bearing end face 4, and the phenomenon that when the cylinder bottom and the cylinder barrel are assembled, the cylinder bottom matching seam allowance deforms to influence the assembly quality of a product is avoided. The difference value between D1 and D is specifically set according to the cylinder bottom pressure-bearing specification and the used material on the premise of ensuring the strength, and the minimum difference value is kept to be 10mm or more.
The inner diameter D2 of the annular weight-reducing groove 1 can be adjusted according to the diameter size of the bottom end part of the piston rod cylinder of the oil cylinder, and the inner diameter D2 of the weight-reducing groove is ensured to be larger than the diameter size of the bottom end part of the piston rod cylinder, namely, the piston rod and the cylinder bottom have enough contact area when the piston rod of the oil cylinder is recovered to the bottom.
The utility model discloses a cylinder bottom structure is still including the vertical oil duct 2 and the horizontal oil duct 3 of intercommunication, and vertical oil duct 2 and horizontal oil duct 3 are connected in the cylinder bottom. The longitudinal oil duct 2 is connected with an external oil pipe through a pipe fitting, and an oil outlet of the transverse oil duct 3 is arranged in the annular weight reducing groove 1 and communicated with the annular weight reducing groove.
The utility model discloses a cylinder bottom structure subtracts heavy groove through the annular and forms big over-flow area in cylinder bottom pressure-bearing end face, and during the filling fluid, fluid gets into the rodless chamber of hydro-cylinder fast and builds pressure, realizes the quick start-up of hydro-cylinder, and the piston rod stretches out fast, promotes the operating efficiency.
So far, embodiments of the present invention have been described in detail. Some details which are well known in the art have not been described in order to avoid obscuring the concepts of the present invention. Those skilled in the art can fully understand how to implement the technical solutions of the present invention based on the above description.
Although the present invention has been described in detail by way of examples, it will be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure.
Claims (6)
1. The utility model provides a light-weighted standard type loader hydro-cylinder end structure, includes longitudinal oil duct (2) and horizontal oil duct (3) of intercommunication in the cylinder end, its characterized in that: an annular weight reduction groove (1) is formed in the cylinder bottom pressure-bearing end face (4), and the oil outlet of the transverse oil duct (3) is formed in the annular weight reduction groove (1) and communicated with the annular weight reduction groove.
2. The lightweight standard type loader cylinder bottom structure according to claim 1, characterized in that: the annular weight-reducing groove (1) is formed by die forging.
3. The lightweight standard type loader cylinder bottom structure according to claim 1, characterized in that: the annular weight reduction groove (1) and the cylinder bottom pressure-bearing end surface (4) are concentric rings.
4. The lightweight standard type loader cylinder bottom structure according to claim 1, characterized in that: and a difference value is set between the outer diameter D1 of the annular weight-reducing groove (1) and the diameter D of the cylinder bottom pressure-bearing end surface (4).
5. The lightweight standard type loader cylinder bottom structure according to claim 4, characterized in that: the minimum difference between D1 and D is not less than 10mm.
6. The lightweight standard type loader cylinder bottom structure according to claim 1, characterized in that: the inner diameter D2 of the annular weight-reducing groove (1) is larger than the diameter of the bottom end part of the piston rod cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222966921.6U CN218564071U (en) | 2022-11-08 | 2022-11-08 | Lightweight standard type loader hydro-cylinder bottom structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222966921.6U CN218564071U (en) | 2022-11-08 | 2022-11-08 | Lightweight standard type loader hydro-cylinder bottom structure |
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| CN218564071U true CN218564071U (en) | 2023-03-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231584A (en) * | 2023-11-14 | 2023-12-15 | 沈阳欧施盾新材料科技有限公司 | Carbon fiber hydraulic cylinder body, forming process of cylinder body and hydraulic cylinder |
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2022
- 2022-11-08 CN CN202222966921.6U patent/CN218564071U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231584A (en) * | 2023-11-14 | 2023-12-15 | 沈阳欧施盾新材料科技有限公司 | Carbon fiber hydraulic cylinder body, forming process of cylinder body and hydraulic cylinder |
| CN117231584B (en) * | 2023-11-14 | 2024-02-09 | 沈阳欧施盾新材料科技有限公司 | Carbon fiber hydraulic cylinder body, forming process of cylinder body and hydraulic cylinder |
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