CN204549932U - A kind of bidirectional hydraulic jack - Google Patents
A kind of bidirectional hydraulic jack Download PDFInfo
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- CN204549932U CN204549932U CN201520041706.2U CN201520041706U CN204549932U CN 204549932 U CN204549932 U CN 204549932U CN 201520041706 U CN201520041706 U CN 201520041706U CN 204549932 U CN204549932 U CN 204549932U
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- orienting sleeve
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Abstract
The utility model discloses a kind of bidirectional hydraulic jack, cylinder barrel inside has runs through cavity, cylinder barrel two ends are respectively equipped with the first orienting sleeve and the second orienting sleeve, cylinder barrel sidewall is provided with and the first plinth running through cavity and be communicated with, second plinth and the 3rd plinth, first piston bar and the second piston rod is provided with in cylinder barrel, first piston bar and the second piston rod stretch out from the first orienting sleeve and the second orienting sleeve intermediate openings respectively, first piston bar and the second piston rod outer wall are respectively equipped with first piston and the second piston, first piston is in cylinder barrel between the first plinth and the second plinth, second piston is between the second plinth and the 3rd plinth, sealing member is equipped with between piston and cylinder barrel and between orienting sleeve and piston rod.The hydraulic support top beam balance holding device that the utility model proposes, compact overall structure, reasonable in design, can realize bidirectional hydraulic and support, in Reusability process, Stability Analysis of Structures is reliable, and mechanical precision is high.
Description
Technical field
The utility model relates to technical field of jacks, particularly relates to a kind of bidirectional hydraulic jack.
Background technology
Thruster jack combines to adopt bracing or strutting arrangement conventional in operation.In existing jack working process, adopt one end to fix, one end stroke, thus carry out unidirectional support, single-way moving.But due to exploitation narrow space, environment has a definite limitation, and mined bed has certain inclination angle usually.Therefore, in this case, unidirectional jack work is adopted, very inconvenient, and increase exploitation difficulty and cost of winning.
Utility model content
For solving the technical matters existed in background technology, the utility model proposes a kind of bidirectional hydraulic jack, reasonable in design, good integrity, can Bidirectional supporting be realized.
A kind of bidirectional hydraulic jack that the utility model proposes, comprising: cylinder barrel, first piston, the second piston, first piston bar, the second piston rod, the first orienting sleeve, the second orienting sleeve;
Cylinder barrel inside has runs through cavity and two ends have opening, cylinder barrel sidewall is provided with the first through hole, the second through hole and third through-hole, first through hole, the second through hole and third through-hole are in cylinder barrel axially interval setting successively, the first plinth is provided with in the first through hole, first plinth by the first through hole with run through cavity and be communicated with, the second plinth is provided with in the second through hole, second plinth by the second through hole with run through cavity and be communicated with, be provided with the 3rd plinth at third through-hole place, the 3rd plinth by third through-hole with run through cavity and be communicated with;
What first piston bar was arranged on cylinder barrel vertically runs through in cavity, first piston bar one end is stretched out from cylinder barrel is open-ended, first piston bar is positioned at the outside one end of cylinder barrel and is provided with the first support portion, first piston is fixed on the sidewall of first piston bar, first piston cylinder barrel to run through in cavity and between the first through hole and the second through hole, the first sealing member is provided with between first piston and inner wall of cylinder, it is outside that first orienting sleeve is enclosed within first piston bar, its one end away from first piston is provided with the first fixed part, first orienting sleeve is positioned at cylinder barrel and is fixed by the first fixed part and cylinder barrel, first orienting sleeve is positioned at the side of the first through hole away from the second through hole, the second sealing member is provided with between first orienting sleeve and first piston bar,
What the second piston rod was arranged on cylinder barrel vertically runs through in cavity, the axis of the second piston rod and first piston bar is located along the same line, second piston rod one end is stretched out from cylinder barrel away from first piston bar one end open, second piston rod is positioned at the outside one end of cylinder barrel and is provided with the second support portion, second piston is fixed on the sidewall of the second piston rod, second piston cylinder barrel to run through in cavity and between the second through hole and third through-hole, the 3rd sealing member is provided with between second piston and inner wall of cylinder, it is outside that second orienting sleeve is enclosed within the second piston rod, its one end away from the second piston is provided with the second fixed part, second orienting sleeve is positioned at cylinder barrel and is fixed by the second fixed part and cylinder barrel, second orienting sleeve is positioned at the side of third through-hole away from the second through hole, the 4th sealing member is provided with between second orienting sleeve and the second piston rod.
Preferably, cylinder barrel is provided with fourth hole, and fourth hole place is provided with the first fastener, and first piston bar is provided with the first mounting hole, and the first fastener is fixed to the first mounting hole by fourth hole, and cylinder barrel is fixedly connected with first piston bar.
Preferably, cylinder barrel is provided with fifth hole, and fifth hole place is provided with the second fastener, and the second piston rod is provided with the second mounting hole, and the second fastener is fixed to the second mounting hole by fifth hole, and cylinder barrel is fixedly connected with the second piston rod.
Preferably, be also provided with the first dust ring between the first orienting sleeve and first piston bar, the first dust ring is positioned at the first orienting sleeve and arranges away from the side of first piston.
Preferably, be also provided with the second dust ring between the second orienting sleeve and the second piston rod, the second dust ring is positioned at the second orienting sleeve and arranges away from the side of the second piston.
In the utility model, the bidirectional hydraulic jack proposed, cylinder barrel inside has runs through cavity, cylinder barrel two ends are respectively equipped with the first orienting sleeve and the second orienting sleeve, cylinder barrel sidewall is provided with and the first plinth running through cavity and be communicated with, second plinth and the 3rd plinth, the first piston bar and the second piston rod that arrange vertically is provided with in through cavities, first piston bar stretches out from the first orienting sleeve and the second orienting sleeve intermediate openings away from one end of first piston bar respectively away from one end of the second piston rod and the second piston rod, first piston bar and the second piston rod outer wall are respectively equipped with first piston and the second piston, first piston is in cylinder barrel between the first plinth and the second plinth, second piston is between the second plinth and the 3rd plinth, sealing member is equipped with between piston and cylinder barrel and between orienting sleeve and piston rod.By the hydraulic support top beam balance holding device of above-mentioned optimal design, compact overall structure, reasonable in design, bidirectional hydraulic can be realized support, in Reusability process, Stability Analysis of Structures is reliable, mechanical precision is high, and sealing member ensures that working medium does not leak, and dust ring prevents external dust impurity from entering in cylinder barrel and causes damage to each parts simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of bidirectional hydraulic jack that the utility model proposes.
Detailed description of the invention
As shown in Figure 1, Fig. 1 is the structural representation of a kind of bidirectional hydraulic jack that the utility model proposes.
With reference to Fig. 1, a kind of bidirectional hydraulic jack that the utility model proposes, comprising: cylinder barrel 1, first piston 2, second piston 3, first piston bar 4, second piston rod 5, first orienting sleeve 6, second orienting sleeve 7;
Cylinder barrel 1 inside has runs through cavity and two ends have opening, cylinder barrel 1 sidewall is provided with the first through hole, second through hole, third through-hole, fourth hole and fifth hole, first through hole, second through hole and third through-hole are in cylinder barrel 1 axially interval setting successively, fourth hole is between the first through hole and the second through hole, fifth hole is between the second through hole and third through-hole, the first plinth 11 is provided with in the first through hole, first plinth 11 by the first through hole with run through cavity and be communicated with, the second plinth 12 is provided with in the second through hole, second plinth 12 by the second through hole with run through cavity and be communicated with, the 3rd plinth 13 is provided with at third through-hole place, 3rd plinth 13 by third through-hole with run through cavity and be communicated with, fourth hole place is provided with the first fastener 81, fifth hole place is provided with the second fastener 82,
What first piston bar 4 was arranged on cylinder barrel 1 vertically runs through in cavity, first piston bar 4 one end is stretched out from cylinder barrel 1 is open-ended, first piston bar 4 is positioned at the outside one end of cylinder barrel 1 and is provided with the first support portion 41, first piston bar 4 bar wall is provided with the first mounting hole, first fastener 81 is fixed to the first mounting hole by fourth hole, cylinder barrel 1 is fixedly connected with first piston bar 4, first piston 2 is fixed on the sidewall of first piston bar 4, first piston 2 cylinder barrel 1 to run through in cavity and between the first through hole and the second through hole, the first sealing member is provided with between first piston 2 and cylinder barrel 1 inwall, it is outside that first orienting sleeve 6 is enclosed within first piston bar 4, its one end away from first piston 2 is provided with the first fixed part, first orienting sleeve 6 is positioned at cylinder barrel 1 and is fixed by the first fixed part and cylinder barrel 1, first orienting sleeve 6 is positioned at the side of the first through hole away from the second through hole, the second sealing member and the first dust ring 91 is provided with between first orienting sleeve 6 and first piston bar 4, first dust ring 91 is positioned at the first orienting sleeve 6 and arranges away from the side of first piston 2,
What the second piston rod 5 was arranged on cylinder barrel 1 vertically runs through in cavity, second piston rod 5 is located along the same line with the axis of first piston bar 4, second piston rod 5 one end is stretched out from cylinder barrel 1 away from first piston bar 4 one end open, second piston rod 5 is positioned at the outside one end of cylinder barrel 1 and is provided with the second support portion 51, second piston rod 5 bar wall is provided with the second mounting hole, second fastener 82 is fixed to the second mounting hole by fifth hole, cylinder barrel 1 is fixedly connected with the second piston rod 5, second piston 3 is fixed on the sidewall of the second piston rod 5, second piston 3 cylinder barrel 1 to run through in cavity and between the second through hole and third through-hole, the 3rd sealing member is provided with between second piston 3 and cylinder barrel 1 inwall, it is outside that second orienting sleeve 7 is enclosed within the second piston rod 5, its one end away from the second piston 3 is provided with the second fixed part, second orienting sleeve 7 is positioned at cylinder barrel 1 and is fixed by the second fixed part and cylinder barrel 1, second orienting sleeve 7 is positioned at the side of third through-hole away from the second through hole, the 4th sealing member and the second dust ring 92 is provided with between second orienting sleeve 7 and the second piston rod 5, second dust ring 92 is positioned at the second orienting sleeve 7 and arranges away from the side of the second piston 3.
In the bidirectional hydraulic jack working process of the present embodiment, first cylinder barrel is fixed between two Support Positions, first support portion of first piston bar is against a Support Position, second support portion of the second piston rod is against another Support Position, flow into working medium from the second plinth in cylinder barrel, working medium enters in the space between first piston and the second piston, promotion first piston and the second piston move respectively to cylinder barrel two ends, working medium simultaneously between first piston and the first orienting sleeve flows out from the first plinth, and the working medium between the second piston and the second orienting sleeve flows out from the 3rd plinth, carry out promotion stroke, realize the first support portion and the second support portion respectively to two end supports first Support Position and the second Support Position, during reset, working medium flows into cylinder barrel from the first plinth and the 3rd plinth, enter between first piston and the first orienting sleeve and between the second piston and the second orienting sleeve, promote first piston and the second piston relative movement, working medium simultaneously between first piston and the second piston flows out from the second plinth, realizes the reset of piston and piston rod.
In the present embodiment, the bidirectional hydraulic jack proposed, cylinder barrel inside has runs through cavity, cylinder barrel two ends are respectively equipped with the first orienting sleeve and the second orienting sleeve, cylinder barrel sidewall is provided with and the first plinth running through cavity and be communicated with, second plinth and the 3rd plinth, the first piston bar and the second piston rod that arrange vertically is provided with in through cavities, first piston bar stretches out from the first orienting sleeve and the second orienting sleeve intermediate openings away from one end of first piston bar respectively away from one end of the second piston rod and the second piston rod, first piston bar and the second piston rod outer wall are respectively equipped with first piston and the second piston, first piston is in cylinder barrel between the first plinth and the second plinth, second piston is between the second plinth and the 3rd plinth, sealing member is equipped with between piston and cylinder barrel and between orienting sleeve and piston rod.By the hydraulic support top beam balance holding device of above-mentioned optimal design, compact overall structure, reasonable in design, bidirectional hydraulic can be realized support, in Reusability process, Stability Analysis of Structures is reliable, mechanical precision is high, and sealing member ensures that working medium does not leak, and dust ring prevents external dust impurity from entering in cylinder barrel and causes damage to each parts simultaneously.
In a specific embodiment, in the course of the work, according to specific works environment, the first fastener can be adopted to be fixedly connected with cylinder barrel by first piston bar, or adopt the second fastener to be fixedly connected with cylinder barrel by the second piston rod, carry out the work of one-way hydraulic jack.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (5)
1. a bidirectional hydraulic jack, it is characterized in that, comprising: cylinder barrel (1), first piston (2), the second piston (3), first piston bar (4), the second piston rod (5), the first orienting sleeve (6), the second orienting sleeve (7);
Cylinder barrel (1) inside has runs through cavity and two ends have opening, cylinder barrel (1) sidewall is provided with the first through hole, second through hole and third through-hole, first through hole, second through hole and third through-hole are in cylinder barrel (1) axially interval setting successively, the first plinth (11) is provided with in the first through hole, first plinth (11) by the first through hole with run through cavity and be communicated with, the second plinth (12) is provided with in the second through hole, second plinth (12) by the second through hole with run through cavity and be communicated with, the 3rd plinth (13) is provided with at third through-hole place, 3rd plinth (13) by third through-hole with run through cavity and be communicated with,
What first piston bar (4) was arranged on cylinder barrel (1) vertically runs through in cavity, first piston bar (4) one end is stretched out from cylinder barrel (1) is open-ended, first piston bar (4) is positioned at cylinder barrel (1) outside one end and is provided with the first support portion (41), first piston (2) is fixed on the sidewall of first piston bar (4), first piston (2) be positioned at cylinder barrel (1) run through cavity and between the first through hole and the second through hole, the first sealing member is provided with between first piston (2) and cylinder barrel (1) inwall, it is outside that first orienting sleeve (6) is enclosed within first piston bar (4), its one end away from first piston (2) is provided with the first fixed part, first orienting sleeve (6) is positioned at cylinder barrel (1) and is fixed by the first fixed part and cylinder barrel (1), first orienting sleeve (6) is positioned at the side of the first through hole away from the second through hole, the second sealing member is provided with between first orienting sleeve (6) and first piston bar (4),
What the second piston rod (5) was arranged on cylinder barrel (1) vertically runs through in cavity, second piston rod (5) is located along the same line with the axis of first piston bar (4), second piston rod (5) one end is stretched out from cylinder barrel (1) away from first piston bar (4) one end open, second piston rod (5) is positioned at cylinder barrel (1) outside one end and is provided with the second support portion (51), second piston (3) is fixed on the sidewall of the second piston rod (5), second piston (3) be positioned at cylinder barrel (1) run through cavity and between the second through hole and third through-hole, the 3rd sealing member is provided with between second piston (3) and cylinder barrel (1) inwall, it is outside that second orienting sleeve (7) is enclosed within the second piston rod (5), its one end away from the second piston (3) is provided with the second fixed part, second orienting sleeve (7) is positioned at cylinder barrel (1) and is fixed by the second fixed part and cylinder barrel (1), second orienting sleeve (7) is positioned at the side of third through-hole away from the second through hole, the 4th sealing member is provided with between second orienting sleeve (7) and the second piston rod (5).
2. bidirectional hydraulic jack according to claim 1, it is characterized in that, cylinder barrel (1) is provided with fourth hole, fourth hole place is provided with the first fastener (81), first piston bar (4) is provided with the first mounting hole, first fastener (81) is fixed to the first mounting hole by fourth hole, and cylinder barrel (1) is fixedly connected with first piston bar (4).
3. bidirectional hydraulic jack according to claim 1, it is characterized in that, cylinder barrel (1) is provided with fifth hole, fifth hole place is provided with the second fastener (82), second piston rod (5) is provided with the second mounting hole, second fastener (82) is fixed to the second mounting hole by fifth hole, and cylinder barrel (1) is fixedly connected with the second piston rod (5).
4. bidirectional hydraulic jack according to claim 1, it is characterized in that, also be provided with the first dust ring (91) between first orienting sleeve (6) and first piston bar (4), the first dust ring (91) is positioned at the first orienting sleeve (6) and arranges away from the side of first piston (2).
5. bidirectional hydraulic jack according to claim 1, it is characterized in that, also be provided with the second dust ring (92) between second orienting sleeve (7) and the second piston rod (5), the second dust ring (92) is positioned at the second orienting sleeve (7) and arranges away from the side of the second piston (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041706.2U CN204549932U (en) | 2015-01-21 | 2015-01-21 | A kind of bidirectional hydraulic jack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041706.2U CN204549932U (en) | 2015-01-21 | 2015-01-21 | A kind of bidirectional hydraulic jack |
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| Publication Number | Publication Date |
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| CN204549932U true CN204549932U (en) | 2015-08-12 |
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| CN201520041706.2U Active CN204549932U (en) | 2015-01-21 | 2015-01-21 | A kind of bidirectional hydraulic jack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609330A (en) * | 2015-01-21 | 2015-05-13 | 巨隆液压设备(集团)有限公司 | Bidirectional hydraulic jack |
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2015
- 2015-01-21 CN CN201520041706.2U patent/CN204549932U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609330A (en) * | 2015-01-21 | 2015-05-13 | 巨隆液压设备(集团)有限公司 | Bidirectional hydraulic jack |
| CN104609330B (en) * | 2015-01-21 | 2017-02-22 | 巨隆液压设备(集团)有限公司 | Bidirectional hydraulic jack |
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