CN202391856U - Cylinder-positioning secondary adjustable-thrust hydraulic cylinder device - Google Patents
Cylinder-positioning secondary adjustable-thrust hydraulic cylinder device Download PDFInfo
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- CN202391856U CN202391856U CN2011204415710U CN201120441571U CN202391856U CN 202391856 U CN202391856 U CN 202391856U CN 2011204415710 U CN2011204415710 U CN 2011204415710U CN 201120441571 U CN201120441571 U CN 201120441571U CN 202391856 U CN202391856 U CN 202391856U
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Abstract
The utility model relates to a cylinder-positioning secondary adjustable-thrust hydraulic cylinder device, which aims at providing an adjustable-thrust hydraulic cylinder device to solve the problem that thrust of a piston rod becomes weaker along with the increase of stages of a telescopic cylinder device. The specific technical scheme of the cylinder-positioning secondary adjustable-thrust hydraulic cylinder device includes that an oil guide plug is arranged in an inner chamber of a secondary piston to increase the thrust of the secondary piston. The cylinder-positioning secondary adjustable-thrust hydraulic cylinder device is an actuating mechanism for performing reciprocation in a hydraulic system, and is simple in structure, reliable in work, convenient in disassembling, easy in maintenance, flexible in connecting modes and the like, and applicable to engineering machinery, mining machinery, hoisting and conveying machinery, metallurgical machinery and other types of machinery.
Description
Technical field
The utility model relates to a kind of cylinder system, specifically, is a kind of cylinder location secondary controllable thrust cylinder system.
Background technique
Oil hydraulic cylinder with hydraulic pressure can change mechanical energy into, the do straight reciprocating motion hydraulic actuator of (or oscillating motion).Its simple in structure, reliable operation.When realizing to-and-fro motion with it, can remove speed reducer from, and not have drive gap, therefore motion steadily is used widely in the hydraulic system of various machineries.What wherein use morely is cylinder system.In order to adapt to the various working cylinder system multiple combining form is arranged; For example power cylinder, pressurized cylinder, constant speed cylinder, telescopic cylinder, positional cylinder etc.; Said telescopic cylinder is meant by two or more piston cylinder suits and forms that the piston of its previous stage piston cylinder is the cylinder barrel of back first stage piston cylinder.Under normal conditions, in the device of telescopic cylinder, along with increasing of progression, the thrust of its piston rod also diminishes.In order to change this situation, only in the cylinder barrel of back first stage piston cylinder, to increase some devices, just can achieve the goal.
Summary of the invention
A kind of cylinder of the utility model location secondary controllable thrust cylinder system, its objective is provides a kind of controllable thrust cylinder system, solve in the device of telescopic cylinder, along with increasing of progression, the problem that the thrust of its piston rod also diminishes.
In order to achieve the above object, the utility model is realized through following technological scheme:
The utility model comprises one-level oil cylinder, first stage piston, second piston; First stage piston is installed in the one-level oil cylinder and becomes sealing to be slidingly connected with Sealing with it; Second piston is installed in and becomes sealing to be slidingly connected with Sealing with it in the first stage piston, and the Oil Guide plug is installed in the second piston and is slidingly connected with its one-tenth sealing with Sealing and is fixedly connected coaxially with first stage piston and communicates with the left oil inlet hole of A to manage in Oil Guide outer tube and the Oil Guide.
The further improvement of the utility model is: said one-level oil cylinder comprises the one-level cylinder body, one-level oil cylinder bonnet with one-level cylinder body fastener and one-level after the left end of bonnet bolt and one-level cylinder body be tightly connected and the outside and being integral of the one-level cylinder body seat structure of one-level cylinder body.
The further improvement of the utility model is: said first stage piston comprises the first stage piston body; First stage piston body bonnet is tightly connected with first stage piston body left end with first stage piston body fastener and first stage piston body fastener and cap and the cylindrical of first stage piston body becomes sealing to be slidingly connected with the interior circle of one-level cylinder body with Sealing, and pipe is coaxial and two ends become encapsulation to be connected with plug and the plug of its left end becomes vertical connection of encapsulation with first stage piston body and cap with first stage piston body bonnet and the plug of its right-hand member becomes with the Oil Guide plug with Oil Guide plug and cap that encapsulation is vertical to be connected in Oil Guide outer tube and the Oil Guide.
The further improvement of the utility model is: said second piston comprises the second piston body, second piston body bonnet is tightly connected with the left end of second piston body with second piston body fastener and second piston body fastener and cap and the cylindrical of second piston body becomes sealing to be slidingly connected with the interior circle of first stage piston body with Sealing and the cylindrical of the interior circle of second piston body and Oil Guide plug become sealing to be slidingly connected with Sealing the right-hand member of circle becomes the sealing fixed connection with screw thread with the ball-type hinge in the second piston body.
The further improvement of the utility model is: have the oil-filled chamber of stretching out A, B, C, D, E, F and indentation oil-filled chamber a, b, c, d, e, f, g in this cylinder system; When piston rod stretches out; The oil-filled order of oil-filled chamber is: the oil order of moving back of A-B-C-D-E-F and oil-filled chamber is: g-f-e-d-c-b-a; When the piston rod indentation, the oil-filled order of oil-filled chamber is: the oil order of moving back of a-b-c-d-e-f-g and oil-filled chamber is: F-E-D-C-B-A.
The further improvement of the utility model is: the cross-section area that makes first stage piston is Sb, and the cross-section area of second piston is Sd, and the cross-section area of Oil Guide plug is Sf, and the endoporus area of pipe is very little and disregard in the Oil Guide, and oil pressure is P, then
When piston rod stretches out, the thrust N2=P of first stage piston * Sb, the thrust N3=P of second piston * (Sd+Sf)
Make k=N3 ÷ N2=(Sd+Sf) ÷ Sb,, will obtain the different numerical value of k as long as regulate the size between Sd and Sf and the Sb, if k=1, N3=N2, the thrust that acts on the ball-type hinge is constant.
In the inner chamber of second piston, the Oil Guide plug is installed to increase its thrust.It is an actuator reciprocating in the hydraulic system, have simple in structure, reliable operation, mounting or dismounting are convenient, for ease of maintenaince, and characteristics such as Placement is various, are applicable to engineering machinery, mining machinery, handling machinery, metallurgical machinery and other machinery.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Wherein: one-level oil cylinder 1 is arranged, first stage piston 2, second piston 3 and one-level cylinder body 11, one-level cylinder body fastener 12, one-level oil cylinder bonnet 13; Bonnet bolt 14 after the one-level, one-level cylinder body seat 15, first stage piston body 21, first stage piston body fastener 22; First stage piston body and cap 23, first stage piston body fastener and cap 24, first stage piston body bonnet 25, Oil Guide outer tube 26; Pipe 27 in the Oil Guide, Oil Guide plug 28, Oil Guide plug and cap 29, second piston body 31; Second piston body bonnet 32, second piston body fastener 33, second piston body fastener and cap 34, ball-type hinge 35.
Fig. 2, this figure are the oil-filled chamber sketches of a kind of cylinder of the utility model location secondary controllable thrust cylinder system, and the oil-filled chamber of stretching out A, B, C, D, E, F and indentation oil-filled chamber a, b, c, d, e, f, g are wherein arranged.
Embodiment
In order to deepen understanding to the utility model, will combine accompanying drawing and embodiment that the utility model is further described below, this embodiment only is used to explain the utility model, does not constitute the qualification to the utility model protection domain.
As shown in Figure 1; The utility model is a kind of cylinder location secondary controllable thrust cylinder system, comprises one-level oil cylinder 1, and first stage piston 2 is installed in one-level oil cylinder 1; First stage piston 2 is slidingly connected with 1 one-tenth sealing of Sealing and one-level oil cylinder; Second piston 3 is installed in first stage piston 2, and second piston 3 is slidingly connected with 2 one-tenth sealings of Sealing and first stage piston, and Oil Guide plug 28 is installed in second piston 3; Oil Guide plug 28 is slidingly connected with 3 one-tenth sealings of Sealing and second piston, and Oil Guide plug 28 is fixedly connected coaxially with first stage piston 2 with the interior pipe 27 of Oil Guide outer tube 26 and Oil Guide and communicates with A left side oil inlet hole.One-level oil cylinder 1 comprises one-level cylinder body 11, and bonnet bolt 14 is tightly connected the outside of one-level cylinder body 11 and one-level cylinder body seat 15 being integral structures with the left end of one-level cylinder body 11 after one-level oil cylinder bonnet 13, one-level cylinder body fastener 12 and the one-level; First stage piston 2 comprises first stage piston body 21; First stage piston body bonnet 25, first stage piston body fastener 22 and first stage piston body fastener and cap 24 are tightly connected with first stage piston body 21 left ends; The cylindrical of first stage piston body 21 becomes sealing to be slidingly connected with the interior circle of one-level cylinder body 11 with Sealing; Pipe 27 is coaxial and two ends become encapsulation to be connected with plug and the plug of its left end and first stage piston body and cap 23 and first stage piston body bonnet vertical connection of 25 one-tenth encapsulation in Oil Guide outer tube 26 and the Oil Guide; The plug of right-hand member is through Oil Guide plug and cap 29 and Oil Guide plug vertical connection of 28 one-tenth encapsulation; Second piston 3 comprises second piston body 31, and second piston body bonnet 32, second piston body fastener 33 and second piston body fastener and cap 34 are tightly connected with the left end of second piston body 31, and the cylindrical of second piston body 31 becomes sealing to be slidingly connected with the interior circle of first stage piston body 21 with Sealing; The interior circle of second piston body 31 becomes sealing to be slidingly connected with the cylindrical of Oil Guide plug 28 with Sealing; The right-hand members of circle are fixedly connected with 35 one-tenths sealings of screw thread and ball-type hinge in the second piston body 31, and when piston rod stretched out, the oil-filled order of oil-filled chamber was: moving back of A-B-C-D-E-F and oil-filled chamber oilyly is in proper order: g-f-e-d-c-b-a; When the piston rod indentation, the oil-filled order of oil-filled chamber is: the oil order of moving back of a-b-c-d-e-f-g and oil-filled chamber is: F-E-D-C-B-A.
When piston rod stretches out, the thrust N2=P * Sb of first stage piston (2), the thrust N3=P of second piston (3) * (Sd+Sf)
Make k=N3 ÷ N2=(Sd+Sf) ÷ Sb,, will obtain the different numerical value of k as long as regulate the size between Sd and Sf and the Sb.
If k=1, N3=N2, the thrust that acts on ball-type hinge (35) is constant.
The utlity model has simple in structure, reliable operation, mounting or dismounting are convenient, for ease of maintenaince, and characteristics such as Placement is various, are applicable to engineering machinery, mining machinery, handling machinery, metallurgical machinery and other machinery.
Claims (6)
1. a cylinder is located secondary controllable thrust cylinder system; It is characterized in that: this cylinder system comprises one-level oil cylinder (1); First stage piston (2) is installed in one-level oil cylinder (1); First stage piston (2) becomes sealing to be slidingly connected with Sealing with one-level oil cylinder (1); Second piston (3) is installed in first stage piston (2), and second piston (3) becomes sealing to be slidingly connected with Sealing with first stage piston (2), and Oil Guide plug (28) is installed in second piston (3); Oil Guide plug (28) becomes sealing to be slidingly connected with Sealing with second piston (3), and Oil Guide plug (28) is fixedly connected coaxially with first stage piston (2) with the interior pipe of Oil Guide (27) with Oil Guide outer tube (26) and communicates with left oil inlet hole (A).
2. according to claim 1 cylinder location secondary controllable thrust cylinder system; It is characterized in that: said one-level oil cylinder (1) comprises one-level cylinder body (11); One-level cylinder body fastener (12) and one-level oil cylinder bonnet (13) are set in the left side of said one-level cylinder body (11); Said one-level oil cylinder bonnet (13) is tightly connected the bottom of one-level cylinder body (11) and one-level cylinder body seat (15) being integral structure through the left end of bonnet bolt after the one-level (14) and one-level cylinder body (11).
3. according to claim 1 or 2 one kind of cylinder location secondary controllable thrust cylinder system; It is characterized in that: said first stage piston (2) comprises first stage piston body (21); First stage piston body (21) left end and first stage piston body bonnet (25), first stage piston body fastener (22) and first stage piston body fastener and cap (24) are tightly connected; The cylindrical of first stage piston body (21) becomes sealing to be slidingly connected with the interior circle of one-level cylinder body (11) with Sealing; Coaxial and the two ends of pipe (27) become encapsulation to be connected with plug in Oil Guide outer tube (26) and the Oil Guide; And the plug of left end and first stage piston body and cap (23), first stage piston body bonnet (25) become that encapsulation is vertical to be connected, and encapsulation is vertical is connected with Oil Guide plug and cap (29) and Oil Guide plug (28) one-tenth for the plug of right-hand member.
4. according to claim 3 cylinder location secondary controllable thrust cylinder system; It is characterized in that: said second piston (3) comprises second piston body (31); The left end of second piston body (31) and second piston body bonnet (32), second piston body fastener (33) and second piston body fastener and cap (34) are tightly connected; The cylindrical of second piston body (31) becomes sealing to be slidingly connected with the interior circle of first stage piston body (21) with Sealing; The interior circle of second piston body (31) becomes sealing to be slidingly connected with the cylindrical of Oil Guide plug (28) with Sealing, and the right-hand member of circle becomes sealing to be fixedly connected with screw thread in the second piston body (31) with ball-type hinge (35).
5. according to claim 4 cylinder location secondary controllable thrust cylinder system, it is characterized in that: have the oil-filled chamber of stretching out A, B, C, D, E, F and indentation oil-filled chamber a, b, c, d, e, f, g in this cylinder system; When piston rod stretches out; The oil-filled order of oil-filled chamber is: the oil order of moving back of A-B-C-D-E-F and oil-filled chamber is: g-f-e-d-c-b-a; When the piston rod indentation, the oil-filled order of oil-filled chamber is: the oil order of moving back of a-b-c-d-e-f-g and oil-filled chamber is: F-E-D-C-B-A.
6. according to claim 1 cylinder location secondary controllable thrust cylinder system; It is characterized in that: making the cross-section area of first stage piston (2) is Sb; The cross-section area of second piston (3) is Sd, and the cross-section area of Oil Guide plug (28) is Sf, and the endoporus area of pipe (27) is very little and disregard in the Oil Guide; Oil pressure is P, then
When piston rod stretches out, the thrust N2=P * Sb of first stage piston (2), the thrust N3=P of second piston (3) * (Sd+Sf)
Make k=N3 ÷ N2=(Sd+Sf) ÷ Sb,, will obtain the different numerical value of k as long as regulate the size between Sd and Sf and the Sb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204415710U CN202391856U (en) | 2011-11-10 | 2011-11-10 | Cylinder-positioning secondary adjustable-thrust hydraulic cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204415710U CN202391856U (en) | 2011-11-10 | 2011-11-10 | Cylinder-positioning secondary adjustable-thrust hydraulic cylinder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391856U true CN202391856U (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204415710U Expired - Fee Related CN202391856U (en) | 2011-11-10 | 2011-11-10 | Cylinder-positioning secondary adjustable-thrust hydraulic cylinder device |
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| Country | Link |
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| CN (1) | CN202391856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400974A (en) * | 2011-11-10 | 2012-04-04 | 常州市腾田液压机械有限公司 | Cylinder-positioning two-stage adjustable thrust hydraulic cylinder device |
| CN109681480A (en) * | 2019-01-29 | 2019-04-26 | 中国重型机械研究院股份公司 | A kind of pipe end hydrostatic testing machine booster and method |
-
2011
- 2011-11-10 CN CN2011204415710U patent/CN202391856U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400974A (en) * | 2011-11-10 | 2012-04-04 | 常州市腾田液压机械有限公司 | Cylinder-positioning two-stage adjustable thrust hydraulic cylinder device |
| CN109681480A (en) * | 2019-01-29 | 2019-04-26 | 中国重型机械研究院股份公司 | A kind of pipe end hydrostatic testing machine booster and method |
| CN109681480B (en) * | 2019-01-29 | 2024-01-23 | 中国重型机械研究院股份公司 | Supercharger and method for pipe end hydrostatic testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20151110 |
|
| EXPY | Termination of patent right or utility model |