CN203685227U - Hydraulic support and hydraulic jack with connector protective cover - Google Patents
Hydraulic support and hydraulic jack with connector protective cover Download PDFInfo
- Publication number
- CN203685227U CN203685227U CN201420045125.1U CN201420045125U CN203685227U CN 203685227 U CN203685227 U CN 203685227U CN 201420045125 U CN201420045125 U CN 201420045125U CN 203685227 U CN203685227 U CN 203685227U
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- China
- Prior art keywords
- hydraulic jack
- connector
- joint
- protected apron
- insert
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- 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.)
- Expired - Fee Related
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses a hydraulic support and a hydraulic jack with a connector protective cover, and belongs to the technical field of hydraulic jacks. On the basis of an existing hydraulic support, the hydraulic jack comprises the protective cover. According to the hydraulic jack, a first connector and a second connector are protected by the protective cover against damage, and use of the first connector and use of the second connector are not affected. The hydraulic support applies the hydraulic jack with the connector protective cover, at the moment, gangue is stacked between the protective cover and the hydraulic support instead of being placed at the upper portion and the rear portion of the hydraulic support, the first connector and the second connector are protected by the protective cover against damage, and the use of the first connector and the use of the second connector are not affected.
Description
Technical field
The utility model relates to hydraulic jack technical field, particularly a kind of hydraulic jack and hydraulic support with protection of welded joints cover.
Background technology
In prior art, there is a kind of hydraulic jack, comprise hydraulic jack, piston rod, the first joint and the second joint, piston rod and hydraulic jack form sliding pair, the first joint and the second joint are connected to the outer wall of hydraulic jack and are communicated with described hydraulic jack, and this first joint and the second joint are for the turnover of hydraulic oil.This hydraulic jack is slipped jack after being typically used as while being applied to caving roof coal hydraulic support and drawing, in employing top coal caving process, the jack that slips after drawing is exposed in air conventionally, often be deposited in after drawing and slip between jack and hydraulic support from the spoil at hydraulic support top and rear portion, cause the first joint and the second joint very easily to damage.
Utility model content
In order to address the above problem, the utility model proposes a kind of hydraulic jack with protection of welded joints cover that can protect the first joint and the second joint and the hydraulic support with this hydraulic jack.
The hydraulic jack of what the utility model provided have protection of welded joints cover, comprise hydraulic jack, piston rod, the first joint and the second joint, described piston rod and described hydraulic jack form sliding pair, described the first joint and the second joint are connected to the outer wall of described hydraulic jack and are communicated with described hydraulic jack, described the first joint and the second joint are for the turnover of hydraulic oil, also comprise protective cover, described protective cover comprises protected apron, the first connector and the second connector, described protected apron is connected in described hydraulic jack by described the first connector and the second connector, make described the first joint and the second joint between described protected apron and the outer wall of described hydraulic jack, on described protected apron, offer the first breach and the second breach, described the first joint and described the second joint are aimed at respectively in described the first breach and the position of the second breach on protected apron.
As preferably, described protected apron is arch, and described the first connector outer ledge is curved and agree with mutually with described protected apron, and the inside edge of described the first connector is curved and agree with mutually with the outer wall of described hydraulic jack.
As preferably, described protected apron is arch, described the second connector has waist, the first shank and the second shank, described waist is curved and agree with mutually with the outer wall of described hydraulic jack, in described the first shank, be provided with the first bolt hole, in described the second shank, be provided with the second bolt hole, described protected apron is provided with first through hole corresponding with described the first bolt hole and second through hole corresponding with described the second bolt hole, and described the second connector is bolted respectively in described protected apron.
As preferably, described the first shank and the second shank are respectively along the radially setting of described protected apron.
As preferably, described protective cover is made up of the rigid material that is selected from following material: rigid plastics, hard metal material, Hardmetal materials.
The hydraulic support that the utility model provides comprises the hydraulic jack with protection of welded joints cover and the bindiny mechanism that the utility model provides, the hydraulic jack of described hydraulic jack is connected in the base of described hydraulic support by described bindiny mechanism, the piston rod of described hydraulic jack is connected in rear portion drag conveyor.
As preferably, the end of the hydraulic jack of described hydraulic jack is provided with the 3rd connector, described the 3rd connector is provided with third through-hole, described bindiny mechanism comprises gudgeon and bearing pin, described gudgeon comprises Plug Division, wear portion, tight lock part and locking member, described Plug Division comprises the first insert-connecting plate, the second insert-connecting plate, described the first insert-connecting plate is provided with fourth hole, described the second insert-connecting plate is provided with fifth hole, described the first insert-connecting plate is fixedly connected with by a crossover with the second insert-connecting plate, distance between described the first insert-connecting plate and the second insert-connecting plate is identical with the thickness of described the 3rd connector, in the time that described the 3rd connector is arranged between described the first insert-connecting plate and the second insert-connecting plate, described third through-hole, fourth hole and fifth hole overlap and wear for described bearing pin, described Plug Division wears portion described in being fixedly connected on by described crossover, described in being fixedly connected on, described tight lock part wears portion, describedly wear portion and tight lock part is concentric column, described in being less than, the diameter of described tight lock part wears the diameter of portion, described tight lock part can be locked with described locking member.
As preferably, described Plug Division, wear portion and tight lock part is one-body molded.
The hydraulic jack of what the utility model provided have protection of welded joints cover withstands on the basis of existing hydraulic jack and also comprises protective cover, protective cover comprises protected apron, the first connector and the second connector, protected apron is connected in hydraulic jack by the first connector and the second connector, make the first joint and the second splice housing be located at protected apron inside, now, the first joint and the second joint are owing to being subject to the protection of protective cover and not fragile; Meanwhile, owing to offering the first breach and the second breach on protected apron, the first breach is abdicated the first joint, and the second breach is abdicated the second joint, does not affect the use of the first joint and the second joint.
The hydraulic support that the utility model provides has been applied the hydraulic jack with protection of welded joints cover that the utility model provides; as slipping jack after drawing; now; change into and being deposited between protective cover and hydraulic support from the spoil at hydraulic support top and rear portion; not only the first joint and the second joint owing to being subject to the protection of protective cover and not fragile, do not affect the use of the first joint and the second joint yet.
Accompanying drawing explanation
The hydraulic jack with protection of welded joints cover that Fig. 1 provides for the utility model embodiment is when the structural front view of piston rod in retracted state;
The hydraulic jack with protection of welded joints cover that Fig. 2 provides for the utility model embodiment is when the structure top view of piston rod in extended state;
Front view after the protected apron of the hydraulic jack protective cover with protection of welded joints cover that Fig. 3 provides for the utility model embodiment is connected with the first connector;
Left view after the protected apron of the hydraulic jack protective cover with protection of welded joints cover that Fig. 4 provides for the utility model embodiment is connected with the first connector;
Top view after the protected apron of the hydraulic jack protective cover with protection of welded joints cover that Fig. 5 provides for the utility model embodiment is connected with the first connector;
The second connector sectional view of the hydraulic jack protective cover with protection of welded joints cover that Fig. 6 provides for the utility model embodiment;
The second connector right view of the hydraulic jack protective cover with protection of welded joints cover that Fig. 7 provides for the utility model embodiment;
The partial front elevation view of the hydraulic support that Fig. 8 provides for the utility model embodiment;
The top view of the hydraulic support that Fig. 9 provides for the utility model embodiment;
The front view of gudgeon in the hydraulic support that Figure 10 provides for the utility model embodiment;
The typical sectional view of gudgeon in the hydraulic support that Figure 11 provides for the utility model embodiment;
Figure 12 be in Figure 11 A-A to sectional view.
The specific embodiment
In order to understand the utility model in depth, below in conjunction with drawings and the specific embodiments, the utility model is elaborated.
Referring to accompanying drawing 1 and accompanying drawing 2, the hydraulic jack of what the utility model provided have protection of welded joints cover comprises hydraulic jack 1, piston rod 2, the first joint 3 and the second joint 4, piston rod 2 forms sliding pair with hydraulic jack 1, the first joint 3 and the second joint 4 are connected to the outer wall of hydraulic jack 1 and are communicated with hydraulic jack 1, the first joint 3 and the second joint 4 are for the turnover of hydraulic oil, also comprise protective cover, protective cover comprises protected apron 5, the first connector 6 and the second connector 7, protected apron 5 is connected in hydraulic jack 1 by the first connector 6 and the second connector 7, herein, the object of selecting two connectors is to make protected apron 5 stress balances, as required, can also increase connector, make the first joint 3 and the second joint 4 between protected apron 5 and the outer wall of hydraulic jack 1, on protected apron 5, offer the first breach 11 and the second breach 12, the first joint 3 and the second joint 4 are aimed at respectively in the first breach 11 and the second position of breach 12 on protected apron 5.
The hydraulic jack of what the utility model provided have protection of welded joints cover withstands on the basis of existing hydraulic jack and also comprises protective cover, protective cover comprises protected apron 5, the first connector 6 and the second connector 7, protected apron 5 is connected in hydraulic jack 1 by the first connector 6 and the second connector 7, make the first joint 3 and the second joint 4 cover at protected apron 5 inside, now, the first joint 3 and the second joint 4 are owing to being subject to the protection of protective cover and not fragile; Meanwhile, abdicate the first joint 3, the second breach 12 and abdicate the second joint 4 owing to offering the first breach 11 and the second breach 12, the first breach 11 on protected apron 5, do not affect the use of the first joint 3 and the second joint 4.
Referring to accompanying drawing 3~accompanying drawing 5, as a kind of concrete implementation of protected apron 5, the first connector 6, protected apron 5 is arch, and the first connector 6 outer ledge a are curved and agree with mutually with protected apron 5, and the inside edge b of the first connector 6 is curved and agree with mutually with the outer wall of hydraulic jack 1.
Referring to accompanying drawing 5~accompanying drawing 7, as a kind of concrete implementation of protected apron 5, the second connector 7, protected apron 5 is arch, the second connector 7 has waist 15, the first shank 16 and the second shank 17, waist 15 is curved and agree with mutually with the outer wall of hydraulic jack 1, in the first shank 16, be provided with the first bolt hole 18, in the second shank 17, be provided with the second bolt hole 19, protected apron 5 is provided with first through hole 13 corresponding with the first bolt hole 18 and is connected in protected apron 5 by bolt 8 respectively with corresponding the second through hole 14, the second connectors 7 of the second bolt hole 19.
Wherein, the first shank 16 and the second shank 17 are respectively along the radially setting of protected apron 5, and now, the first shank 16 and the tie point of the second shank 17 on protected apron 5 are distant, the stressed easier balance of protected apron 5.
Wherein, as the specific implementation of rigid material, protective cover is made by being selected from the rigid material of material: rigid plastics, hard metal material, Hardmetal materials.Thereby guarantee the bearing capacity of protective cover.
Referring to accompanying drawing 8 and accompanying drawing 9, the hydraulic support that the utility model provides comprises the hydraulic jack with protection of welded joints cover and the bindiny mechanism that the utility model provides, the hydraulic jack 1 of hydraulic jack is fixedly connected on the base 22 of hydraulic support by bindiny mechanism, the piston rod of hydraulic jack is connected in rear portion drag conveyor.
The hydraulic support that the utility model provides has been applied the hydraulic jack with protection of welded joints cover that the utility model provides; as slipping jack after drawing; now; change into and being deposited between protective cover and hydraulic support from the spoil at hydraulic support top and rear portion; not only the first joint 3 and the second joint 4 owing to being subject to the protection of protective cover and not fragile, do not affect the use of the first joint 3 and the second joint 4 yet.
Wherein, as the specific implementation of bindiny mechanism, referring to accompanying drawing 2, the end of the hydraulic jack 1 of hydraulic jack is provided with the 3rd connector 9, the 3rd connector 9 is provided with third through-hole 10, referring to accompanying drawing 10~accompanying drawing 12, bindiny mechanism comprises gudgeon 20 and bearing pin 21, gudgeon 20 comprises Plug Division 23, wear portion 24, tight lock part 25 and locking member 26, Plug Division 23 comprises the first insert-connecting plate 27, the second insert-connecting plate 28, the first insert-connecting plate 27 is provided with fourth hole 29, the second insert-connecting plate 28 is provided with fifth hole 30, the first insert-connecting plate 27 is fixedly connected with by a crossover 31 with the second insert-connecting plate 28, distance between the first insert-connecting plate 27 and the second insert-connecting plate 28 is identical with the thickness of the 3rd connector 9, in the time that the 3rd connector 9 is arranged between the first insert-connecting plate 27 and the second insert-connecting plate 28, third through-hole 10, fourth hole 29 and fifth hole 30 overlap and wear for bearing pin 21, Plug Division 23 is fixedly connected on the portion of wearing 24 by crossover 31, tight lock part 25 is fixedly connected on the portion of wearing 24, wearing portion 24 and tight lock part 25 is concentric column, the diameter of tight lock part 25 is less than the diameter of the portion of wearing 24, after gudgeon 20 is connected in the base 22 of hydraulic support, tight lock part 25 can be locked with locking member 26, gudgeon 20 is fixed with respect to the position of the base 22 of hydraulic support.In the present embodiment, tight lock part 25 can be locked by screw thread and locking member 26, make hydraulic jack that the utility model provides can and the base 22 of hydraulic support between detachable, in the present embodiment, the edge of locking member 26 overflows tight lock part 25 parts, thereby, be convenient to gudgeon 20 and be connected rear location with the base 22 of hydraulic support.
Wherein, Plug Division 23, wear portion 24 and tight lock part 25 can be one-body molded, thereby be convenient to the moulding of gudgeon, easy and simple to handle when its one of them accessory as bindiny mechanism.
The above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. one kind has the hydraulic jack of protection of welded joints cover, comprise hydraulic jack, piston rod, the first joint and the second joint, described piston rod and described hydraulic jack form sliding pair, described the first joint and the second joint are connected to the outer wall of described hydraulic jack and are communicated with described hydraulic jack, described the first joint and the second joint are for the turnover of hydraulic oil, it is characterized in that, also comprise protective cover, described protective cover comprises protected apron, the first connector and the second connector, described protected apron is connected in described hydraulic jack by described the first connector and the second connector, make described the first joint and the second joint between described protected apron and the outer wall of described hydraulic jack, on described protected apron, offer the first breach and the second breach, described the first joint and described the second joint are aimed at respectively in described the first breach and the position of the second breach on protected apron.
2. hydraulic jack according to claim 1, it is characterized in that, described protected apron is arch, and described the first connector outer ledge is curved and agree with mutually with described protected apron, and the inside edge of described the first connector is curved and agree with mutually with the outer wall of described hydraulic jack.
3. hydraulic jack according to claim 1, it is characterized in that, described protected apron is arch, described the second connector has waist, the first shank and the second shank, described waist is curved and agree with mutually with the outer wall of described hydraulic jack, in described the first shank, be provided with the first bolt hole, in described the second shank, be provided with the second bolt hole, described protected apron is provided with first through hole corresponding with described the first bolt hole and second through hole corresponding with described the second bolt hole, and described the second connector is bolted respectively in described protected apron.
4. hydraulic jack according to claim 3, is characterized in that, described the first shank and the second shank are respectively along the radially setting of described protected apron.
5. hydraulic jack according to claim 1, is characterized in that, described protective cover is made up of the rigid material that is selected from following material: rigid plastics, hard metal material, Hardmetal materials.
6. a hydraulic support, it is characterized in that, comprise the arbitrary described hydraulic jack with protection of welded joints cover and bindiny mechanism in claim 1~5, the hydraulic jack of described hydraulic jack is connected in the base of described hydraulic support by described bindiny mechanism, the piston rod of described hydraulic jack is connected in rear portion drag conveyor.
7. hydraulic support according to claim 6, it is characterized in that, the end of the hydraulic jack of described hydraulic jack is provided with the 3rd connector, described the 3rd connector is provided with third through-hole, described bindiny mechanism comprises gudgeon and bearing pin, described gudgeon comprises Plug Division, wear portion, tight lock part and locking member, described Plug Division comprises the first insert-connecting plate, the second insert-connecting plate, described the first insert-connecting plate is provided with fourth hole, described the second insert-connecting plate is provided with fifth hole, described the first insert-connecting plate is fixedly connected with by a crossover with the second insert-connecting plate, distance between described the first insert-connecting plate and the second insert-connecting plate is identical with the thickness of described the 3rd connector, in the time that described the 3rd connector is arranged between described the first insert-connecting plate and the second insert-connecting plate, described third through-hole, fourth hole and fifth hole overlap and wear for described bearing pin, described Plug Division wears portion described in being fixedly connected on by described crossover, described in being fixedly connected on, described tight lock part wears portion, describedly wear portion and tight lock part is concentric column, described in being less than, the diameter of described tight lock part wears the diameter of portion, described tight lock part can be locked with described locking member.
8. hydraulic support according to claim 7, is characterized in that, described Plug Division, wears portion and tight lock part is one-body molded.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420045125.1U CN203685227U (en) | 2014-01-23 | 2014-01-23 | Hydraulic support and hydraulic jack with connector protective cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420045125.1U CN203685227U (en) | 2014-01-23 | 2014-01-23 | Hydraulic support and hydraulic jack with connector protective cover |
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CN203685227U true CN203685227U (en) | 2014-07-02 |
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CN201420045125.1U Expired - Fee Related CN203685227U (en) | 2014-01-23 | 2014-01-23 | Hydraulic support and hydraulic jack with connector protective cover |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105605030A (en) * | 2016-03-11 | 2016-05-25 | 陈婷 | Cylinder covering protector |
CN111075489A (en) * | 2020-02-19 | 2020-04-28 | 太原理工大学 | Attitude description method for floating connection mechanism of hydraulic support and scraper conveyor |
-
2014
- 2014-01-23 CN CN201420045125.1U patent/CN203685227U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105605030A (en) * | 2016-03-11 | 2016-05-25 | 陈婷 | Cylinder covering protector |
CN111075489A (en) * | 2020-02-19 | 2020-04-28 | 太原理工大学 | Attitude description method for floating connection mechanism of hydraulic support and scraper conveyor |
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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: 20140702 Termination date: 20190123 |
|
CF01 | Termination of patent right due to non-payment of annual fee |