CN209012177U - A kind of cluster two-stage hydraulic cylinder - Google Patents
A kind of cluster two-stage hydraulic cylinder Download PDFInfo
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- CN209012177U CN209012177U CN201821607583.4U CN201821607583U CN209012177U CN 209012177 U CN209012177 U CN 209012177U CN 201821607583 U CN201821607583 U CN 201821607583U CN 209012177 U CN209012177 U CN 209012177U
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- hydraulic cylinder
- outer arcuate
- hydraulic
- inner arc
- plate
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Abstract
The utility model relates to a kind of cluster two-stage hydraulic cylinders, including hydraulic cylinder A and hydraulic cylinder B, the bottom of the hydraulic cylinder A is connected with stud, nut is connected at the top of the hydraulic cylinder B, the stud is screwed with nut, the hydraulic cylinder A is parallel with hydraulic cylinder B, and the piston rod of the hydraulic cylinder A and hydraulic cylinder B is arranged in opposite directions.The beneficial effects of the utility model are: can effectively avoid telescopic Multi-stage cylinder from there is a problem of that processing difficulties, waste of material are serious by being fastenedly connected two conventional hydraulic cylinders, production cost can be greatly reduced;Installation, the maintenance that fluid pressure line can be facilitated by the design of external hydraulic fluid port, improve production efficiency.
Description
Technical field
The utility model relates to hydraulic cylinder technical field more particularly to a kind of cluster two-stage hydraulic cylinders.
Background technique
Hydraulic cylinder is modern work, especially the essential execution unit of heavy engineering Work machine, Ji Huneng
Meets the needs of all operating conditions, hydraulic cylinder structure becomes more accurate high-end also with the development of social science and technology, wants some
It asks hydraulic cylinder installation dimension compact and requires in the operating condition of longer stroke, it has to take that cost is more expensive, structure is more complicated
Multistage hydraulic cylinder, especially Double Acting Telescopic Hydraulic Cylinder, conventional bushing-type multistage hydraulic cylinder important part serves as piston rod
Hydraulic cylinder is served as again, and stress condition is complicated, increases design difficulty, and oil channel structures complexity is unfavorable for fabricating, raw
Produce at high cost, production efficiency is low, is unfavorable for the fast development of enterprise.
However a kind of cluster two-stage hydraulic cylinder, conventional bushing-type Multi-stage cylinder, which is solved, with the mentality of designing of conventional oil cylinder exists
The problem of, it is not only simple in structure, high production efficiency and having the same using function.
Utility model content
The purpose of the utility model is to overcome problem above of the existing technology, and it is hydraulic to provide a kind of cluster two-stage
Cylinder.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of cluster two-stage hydraulic cylinder, including hydraulic cylinder A and hydraulic cylinder B, the bottom of the hydraulic cylinder A are connected with spiral shell
Column is connected with nut at the top of the hydraulic cylinder B, and the stud is screwed with nut, and the hydraulic cylinder A is equal with hydraulic cylinder B
Row, and the piston rod of the hydraulic cylinder A and hydraulic cylinder B is arranged in opposite directions.
Further, the bottom of the hydraulic cylinder A is equipped with the outer arcuate plate A coaxial with stud and inner arc plate A, the liquid
The top of cylinder pressure B is equipped with the outer arcuate plate B coaxial with nut and inner arc plate B, and the stud and nut are screwed and hydraulic cylinder A
When parallel with hydraulic cylinder B, the lateral surface of the medial surface and inner arc plate B of the outer arcuate plate A is abutted against, the inner arc plate
The lateral surface of A and the medial surface of outer arcuate plate B abut against, and increase hydraulic cylinder A and the mutual support force of hydraulic cylinder B in the axial direction.
Further, the outer arcuate plate A, inner arc plate A, outer arcuate plate B, inner arc plate B middle part offer spiral shell
The screw hole being provided in the middle part of outer arcuate plate A, inner arc plate B is connected in series using bolt, will be provided with outer arcuate using bolt by hole
Screw hole in the middle part of plate B, inner arc plate A is connected in series, and is fastenedly connected outer arcuate plate A and inner arc plate B using bolt, by outer arcuate
Plate B is fastenedly connected with inner arc plate A, so that it is stronger to connect hydraulic cylinder A with hydraulic cylinder B, avoids hydraulic cylinder A and hydraulic cylinder
B is relatively rotated.
Further, the outer arcuate plate A, inner arc plate A, outer arcuate plate B, inner arc plate B end be fillet or
Chamfering.
Further, the both ends of the hydraulic cylinder A are respectively arranged with an oscillating bearing, and the hydraulic cylinder B is far from hydraulic
One of cylinder A is provided with an oscillating bearing.
Further, the rod chamber hydraulic fluid port A at the top of the hydraulic cylinder A is set and is arranged at the top of the hydraulic cylinder B
Rod chamber hydraulic fluid port B is connected by petroleum pipeline;Rodless cavity hydraulic fluid port A at the top of the hydraulic cylinder A is set with setting described hydraulic
The rodless cavity hydraulic fluid port B of the tail portion cylinder B is connected by petroleum pipeline;The bottom of the hydraulic cylinder B is equipped with rodless cavity hydraulic fluid port C and rod chamber oil
Mouth C.
The beneficial effects of the utility model are: by two conventional hydraulic cylinders are fastenedly connected can effectively avoid it is telescopic
Multi-stage cylinder has that processing difficulties, waste of material are serious, and production cost can be greatly reduced;Pass through setting for external hydraulic fluid port
Meter can facilitate the installation of fluid pressure line, maintenance, improve production efficiency.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model embodiment;
Fig. 2 is the bottom view of hydraulic cylinder A in the utility model embodiment;
Fig. 3 is that the vertical view of hydraulic cylinder B in the utility model embodiment is intended to.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of cluster two-stage hydraulic cylinder, including hydraulic cylinder A1 and hydraulic cylinder B2, hydraulic cylinder
The bottom of A1 is connected with stud 3, and nut 4 is connected at the top of hydraulic cylinder B2, and stud 3 is screwed with nut 4, hydraulic cylinder A1 and liquid
Cylinder pressure B2 is parallel, and the piston rod of hydraulic cylinder A1 and hydraulic cylinder B2 is arranged in opposite directions.
The bottom of hydraulic cylinder A1 is equipped with the outer arcuate plate A6 coaxial with stud 3 and inner arc plate A7, the top of hydraulic cylinder B2
Equipped with the outer arcuate plate B8 coaxial with nut 4 and inner arc plate B9, stud 3 and nut 4 are screwed and hydraulic cylinder A1 and hydraulic cylinder
When B2 is parallel, outer arcuate plate A6 is abutted against with inner arc plate B9, and inner arc plate A7 is abutted against with outer arcuate plate B8.
Outer arcuate plate A6, inner arc plate A7, outer arcuate plate B8, inner arc plate B9 middle part offer screw hole, use spiral shell
The screw hole being provided in the middle part of outer arcuate plate A6, inner arc plate B9 is connected in series by bolt 10, will be provided with outer arcuate plate using bolt 10
Screw hole in the middle part of B8, inner arc plate A7 is connected in series.
Outer arcuate plate A6, inner arc plate A7, outer arcuate plate B8, inner arc plate B9 end be fillet.
The both ends of hydraulic cylinder A1 are respectively arranged with an oscillating bearing 5, a setting of the hydraulic cylinder B2 far from hydraulic cylinder A1
There is an oscillating bearing 5.
The rod chamber hydraulic fluid port B14 that rod chamber hydraulic fluid port A11 at the top of hydraulic cylinder A1 is set and is arranged at the top of hydraulic cylinder B2
It is connected by petroleum pipeline;Rodless cavity hydraulic fluid port A12 at the top of hydraulic cylinder A1 is set and the rodless cavity of the tail portion hydraulic cylinder B2 is set
Hydraulic fluid port B13 is connected by petroleum pipeline;The bottom of hydraulic cylinder B is equipped with rodless cavity hydraulic fluid port C15 and rod chamber hydraulic fluid port C16, rodless cavity oil
Mouth C15 and rod chamber hydraulic fluid port C16 is connected by petroleum pipeline with hydraulic system.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.
Claims (6)
1. a kind of cluster two-stage hydraulic cylinder, including hydraulic cylinder A and hydraulic cylinder B, it is characterised in that: the bottom of the hydraulic cylinder A
Be connected with stud, nut be connected at the top of the hydraulic cylinder B, the stud is screwed with nut, the hydraulic cylinder A with it is hydraulic
Cylinder B is parallel, and the piston rod of the hydraulic cylinder A and hydraulic cylinder B is arranged in opposite directions.
2. cluster two-stage hydraulic cylinder according to claim 1, it is characterised in that: the bottom of the hydraulic cylinder A be equipped with
The top of the coaxial outer arcuate plate A of stud and inner arc plate A, the hydraulic cylinder B are equipped with the outer arcuate plate B coaxial with nut and interior
Arc panel B, when the stud is screwed with nut and hydraulic cylinder A is parallel with hydraulic cylinder B, the outer arcuate plate A and inner arc
Plate B is abutted against, and the inner arc plate A is abutted against with outer arcuate plate B.
3. cluster two-stage hydraulic cylinder according to claim 2, it is characterised in that: the outer arcuate plate A, inner arc plate A,
Outer arcuate plate B, inner arc plate B middle part offer screw hole, will be provided in the middle part of outer arcuate plate A, inner arc plate B using bolt
Screw hole be connected in series, the screw hole being provided in the middle part of outer arcuate plate B, inner arc plate A is connected in series using bolt.
4. cluster two-stage hydraulic cylinder according to claim 2, it is characterised in that: the outer arcuate plate A, inner arc plate A,
Outer arcuate plate B, inner arc plate B end be fillet or chamfering.
5. cluster two-stage hydraulic cylinder according to claim 1, it is characterised in that: the both ends of the hydraulic cylinder A are set respectively
It is equipped with an oscillating bearing, one far from hydraulic cylinder A of the hydraulic cylinder B is provided with an oscillating bearing.
6. cluster two-stage hydraulic cylinder according to claim 1, it is characterised in that: be arranged at the top of the hydraulic cylinder A
Rod chamber hydraulic fluid port A is connected with the rod chamber hydraulic fluid port B being arranged at the top of the hydraulic cylinder B by petroleum pipeline;It is arranged described hydraulic
Rodless cavity hydraulic fluid port A at the top of cylinder A is connected with the rodless cavity hydraulic fluid port B that the tail portion the hydraulic cylinder B is arranged in by petroleum pipeline;The liquid
The bottom of cylinder pressure B is equipped with rodless cavity hydraulic fluid port C and rod chamber hydraulic fluid port C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821607583.4U CN209012177U (en) | 2018-09-30 | 2018-09-30 | A kind of cluster two-stage hydraulic cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821607583.4U CN209012177U (en) | 2018-09-30 | 2018-09-30 | A kind of cluster two-stage hydraulic cylinder |
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CN209012177U true CN209012177U (en) | 2019-06-21 |
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ID=66834930
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CN201821607583.4U Active CN209012177U (en) | 2018-09-30 | 2018-09-30 | A kind of cluster two-stage hydraulic cylinder |
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CN (1) | CN209012177U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110939626A (en) * | 2019-10-23 | 2020-03-31 | 武汉科技大学 | Double-cylinder bidirectional high-pressure energy-saving plunger hydraulic cylinder |
-
2018
- 2018-09-30 CN CN201821607583.4U patent/CN209012177U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110939626A (en) * | 2019-10-23 | 2020-03-31 | 武汉科技大学 | Double-cylinder bidirectional high-pressure energy-saving plunger hydraulic cylinder |
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