CN103046942A - Hydraulic support - Google Patents
Hydraulic support Download PDFInfo
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- CN103046942A CN103046942A CN201210555802XA CN201210555802A CN103046942A CN 103046942 A CN103046942 A CN 103046942A CN 201210555802X A CN201210555802X A CN 201210555802XA CN 201210555802 A CN201210555802 A CN 201210555802A CN 103046942 A CN103046942 A CN 103046942A
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- lock body
- guide rod
- stationary pipes
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- mounting pipe
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Abstract
The invention discloses a hydraulic support which comprises a shield beam, a shield side guard plate, a guide rod, a locking body and a locking pin, wherein the shield side guard plate is used with the shield beam, and the outer end of the guide rod extends out of the shield beam and is connected with the shield side guard plate. The locking body is mounted on the outer side of the shield beam and forms a positioning hole, the guide rod forms a locking hole, and the locking pin is matched with the positioning hole and the locking hole in a pluggable manner when the shield side guard plate retracts. As a locking mechanism is positioned on the outer side of the shield beam, a link mechanism and other mechanisms in the front of the shield beam can be avoided, and the locking mechanism can be conveniently locked. As the outer side of the shield beam has a large space, the locking mechanism can be arranged at a lower position, and locking can be more conveniently operated by operators.
Description
Technical field
The present invention relates to mineral mining equipment, particularly a kind of hydraulic support.
Background technology
At present coal in China exploitation has realized comprehensive mechanization basically.When carrying out coal mining activity, usually utilize a plurality of hydraulic supports to form coal-face is carried out supporting; A plurality of hydraulic supports are arranged sequentially on left and right directions along coal-face.
Hydraulic support generally includes base, back timber, caving shield and column; Column lower end links to each other with base, and the upper end links to each other with the item beam, and the caving shield upper end links to each other with top beam rear end, and the lower end links to each other with the rear end of base; Base, back timber, caving shield and column consist of the basic framework of hydraulic support.In order to guarantee fitted seal between the hydraulic support, adjust the gap between the hydraulic support, prevent that coal from falling into the workspace from the gap between the hydraulic support, hydraulic support also comprises side guard board, and side guard board comprises the shielding side guard board that uses with the caving shield coupling and the back timber side guard board that is used with back timber.Side guard board can be mobile to the left or to the right under the effect of a jack, and then adjust the gap between the hydraulic support; For the ease of control side guard board movement locus, the guide rod that the left and right directions of operated by rotary motion extends arranges the fairlead that is slidingly matched at left and right directions with guide rod in basic framework (back timber and caving shield).In the course of the work, in a hydraulic support, usually make the side guard board of a side and basic framework keep locking, the side guard board of opposite side is stretched out with respect to basic framework or regain.Locking mechanism between side guard board and the basic framework comprises: be positioned at lock pin holes and stop pin on guide rod lock pin holes, the fairlead.When the side guard board of locking one side, suitable stop pin is inserted in the guide rod and the lock pin holes on the fairlead corresponding with the respective side backplate, with guide rod and fairlead locking, and then make this side guard board and basic framework keep locking.
Based on the particular job scene of hydraulic support, because the front portion of the close workspace of caving shield is equipped with linkage and other mechanisms, so that caving shield is very limited near the operating space of the front portion of workspace; And then, cause the locking mechanism corresponding with the shielding side guard board to be difficult to install.And then in the operation of mining, just the shielding side guard board is not locked.When not locking the shielding side guard board, make easily the distortion of shielding side guard board, not only affect the gap adjustment between hydraulic support, also cause easily screening side guard board and base to be interfered and cause the shielding side guard board stuck, and then can't utilize the shielding side guard board that the gap is adjusted, affect the safety of hydraulic support.
For the ease of the setting of locking mechanism, known a kind of mode is that locking mechanism is provided with the higher position of caving shield.Because the position is higher, and this lock mechanism operative space is less, lock operation difficulty and risk factor are larger, make troubles to practical operation.
Therefore, how more easily the shielding side guard board being locked is the problem that current those skilled in the art need to solve.
Summary of the invention
In view of this, the invention provides a kind of hydraulic support, this hydraulic support can lock the shielding side guard board more easily, and then has higher safety.
Shielding side guard board and guide rod that hydraulic support provided by the invention comprises caving shield, is used with described caving shield; The outer end of described guide rod is stretched out described caving shield and is linked to each other with described shielding side guard board, also comprises lock body and stop pin; Described lock body is installed on the lateral surface of described caving shield, and forms locating hole; Described guide rod forms lock hole; When described shielding side guard board is regained, but described stop pin plug ground cooperates with described locating hole and lock hole.
Optionally, described lock body comprises the first lock body and the second lock body; Described the first lock body is fixed on the lateral surface of described caving shield, forms described locating hole on described the second lock body; Described the first lock body is provided with the slideway that the centerline direction at described guide rod extends, and described the second lock body is provided with the slide rail that cooperates with described slideway; The outer end of described slideway has the limit body of restriction the second lock body extreme position.
Optionally, described the first lock body and the second lock body are respectively stationary pipes and mounting pipe; The inner of described stationary pipes is fixed on the lateral surface of described caving shield; Form two relative described locating holes on the tube wall of described mounting pipe, described lock hole is through hole; The inwall of described mounting pipe forms described slide rail, and the outer wall of described stationary pipes forms described slideway; Described guide rod is arranged in the tube chamber of described stationary pipes, and is arranged in the tube chamber of described mounting pipe.
Optionally, the inwall of described mounting pipe forms inwardly protruded interior edge, and the internal face of described interior edge forms described slide rail; The outside wall surface of described stationary pipes forms described slideway, and the outer end of the outside wall surface of described stationary pipes has the outer edge of outside projection, and the outer face of described interior edge is stuck on the inner face of described outer edge.
Optionally, described the first lock body and the second lock body are respectively stationary pipes and mounting pipe; The inner of described stationary pipes is fixed on the lateral surface of described caving shield; Form two relative described locating holes on the tube wall of described mounting pipe, described lock hole is through hole; The outer wall of described mounting pipe forms described slide rail, and the inwall of described stationary pipes forms described slideway; Described guide rod is arranged in the tube chamber of described stationary pipes, and is arranged in the tube chamber of described mounting pipe.
Optionally, the outer wall of described mounting pipe forms the outer edge of outside projection, and the outside wall surface of described outer edge forms described slide rail; The inwall of described stationary pipes forms described slideway, and the outer end of the inwall of described stationary pipes has inwardly protruded interior edge, and the outer face of described outer edge is stuck in the inner face of described interior edge.
Optionally, the center line of the center line of described guide rod, the center line of stationary pipes and mounting pipe, the three overlaps.
Optionally, when described the second lock body is positioned at the extreme position of close described caving shield, has distance between the described stop pin of described the second lock body and the described lock hole of insertion.
Optionally, described stop pin two ends are respectively arranged with jack, and the center line of described jack is vertical with the center line of described stop pin; Also comprise the latch that cooperates with described jack.
Optionally, described stop pin one end is provided with jack, and the other end is provided with handle; The center line of described jack is vertical with the center line of described stop pin; Also comprise the latch that cooperates with described jack.
In the hydraulic support provided by the invention, also comprise lock body and stop pin, lock body and stop pin form the locking mechanism of hydraulic support; Described lock body is installed on the lateral surface of described caving shield, and forms the center line locating hole vertical with the bearing of trend of described guide rod; Described guide rod forms the center line lock hole vertical with the bearing of trend of described guide rod.And when described shielding side guard board is regained, but described stop pin plug ground cooperates with described locating hole and lock hole.Like this, when needs lock the shielding side guard board of a corresponding side, can regain by the shielding side guard board, and make locating hole relative with lock hole, again stop pin is inserted in locating hole and the lock hole, should screen side guard board to lock.Because locking mechanism is positioned at the outside of caving shield, and then can avoid linkage and other mechanisms of caving shield front portion, simultaneously, locking mechanism is provided with the caving shield outside, can be conveniently to the lock operation of locking mechanism; Simultaneously, because the caving shield outside has larger space, and then can the position that locking mechanism arranges is lower, can provide larger convenience for operating personnel conduct the locking operations.
In further technical scheme, described the first lock body and the second lock body are respectively stationary pipes and mounting pipe, and stationary pipes links to each other with the mounting pipe suit, and make guide rod pass stationary pipes and mounting pipe, form two relative described locating holes on the tube wall of described like this mounting pipe, described lock hole is through hole; The latching force that guide rod is born is parallel with the bearing of trend of guide rod, and then avoid because spring-force driven dual makes guide rod bear the active force vertical with its bearing of trend, reduce the cutting stress that guide rod produces, and then reduce guide rod flexural deformation, improve the matching property between guide rod and the caving shield (leader casing).
Description of drawings
The accompanying drawing that consists of a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
The perspective view of the hydraulic support that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is I part structure for amplifying schematic diagram among Fig. 1, the state when this illustrates locking mechanism with caving shield and the locking of shielding side guard board, and wherein, the figure section line partly is guide rod and the link position that screens side guard board;
In the hydraulic support that Fig. 3 provides for the embodiment of the invention, the exploded perspective view of locking mechanism;
In the hydraulic support that Fig. 4 provides for the embodiment of the invention, the sectional structure schematic diagram of lock part;
Fig. 5 is the II part structure for amplifying schematic diagram among Fig. 4;
Fig. 6 is in the embodiment of the invention, and locking mechanism is removed the status architecture schematic diagram when locking between caving shield and the shielding side guard board;
The structural representation of lock part in the hydraulic support that Fig. 7 provides for another embodiment of the present invention.
Among the figure:
Caving shield 110;
Shielding side guard board 200;
Stop pin 500, latch 510.
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the present invention can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
In the presents, when the coal mining activity, operating personnel's position is with reference to determining the noun of locality with hydraulic support, " front " refer to operating personnel towards direction (such as arrow A indication among the figure), " side " is left or right-hand; Described " outward " and " interior " be for for caving shield, away from the direction of caving shield be outside, near the direction of caving shield be in, in arrow N is oriented among Fig. 4, outside arrow W is oriented to.
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the perspective view of the hydraulic support that Fig. 1 provides for the embodiment of the invention; Fig. 2 is I part structure for amplifying schematic diagram among Fig. 1, the state when this illustrates locking mechanism with caving shield and the locking of shielding side guard board, and wherein, the figure section line partly is guide rod and the link position that screens side guard board; In the hydraulic support that Fig. 3 provides for the embodiment of the invention, the exploded perspective view of locking mechanism; In the hydraulic support that Fig. 4 provides for the embodiment of the invention, the sectional structure schematic diagram of lock part.
Should be noted that in order more clearly to show the structure of lock part, omitted shielding side guard board 200 among Fig. 1 and Fig. 2.In addition, based on same reason, when the part lead-in wire had the situation of two Reference numerals among the figure, the top Reference numeral represented upper parts, and the bottom Reference numeral represents concrete parts.
Shielding side guard board 200 and guide rod 300 that the hydraulic support that the embodiment of the invention provides comprises caving shield 110, is used with caving shield 110; The structure of guide rod 300 and caving shield 110 and shielding side guard board 200 can be identical with known hydraulic support.The outer end of guide rod 300 is stretched out caving shield 110 and is linked to each other with shielding side guard board 200.In addition, also comprise locking mechanism, locking mechanism comprises lock body 400 and stop pin 500.Wherein lock body 400 can comprise the first lock body 410 and the second lock body 420; The first lock body 410 is fixed on the lateral surface of caving shield 110, forms the center line locating hole 401 vertical with the bearing of trend of guide rod 300 on the second lock body 420; The first lock body 410 is provided with the slideway that the centerline direction at guide rod 300 extends, and the second lock body 420 is provided with the slide rail that cooperates with slideway; Like this, the first lock body 410 be connected lock body 420 and form slidably and connect.The outer end of slideway has limit body 411, and limit body 411 is used for restriction the second lock body 420 extreme positions away from the extreme position of caving shield 110.Simultaneously, guide rod 300 forms the center line lock hole 301 vertical with the bearing of trend of guide rod 300.
In the present embodiment, the first lock body 410 and the second lock body 420 are respectively stationary pipes 410a and mounting pipe 420a.Please refer to Fig. 4, describe for clear, in the following text description, represent stationary pipes with 410a, represent mounting pipe with 420a.The inner of stationary pipes 410a is fixed on the lateral surface of caving shield 110; Form two relative above-mentioned locating holes 401 on the tube wall of mounting pipe 420a.Guide rod 300 is arranged in the tube chamber of stationary pipes 410a, and is arranged in the tube chamber of mounting pipe 420a, and the lock hole on the guide rod 300 301 is through hole.The outer wall of mounting pipe 420a forms slide rail, and the inwall of stationary pipes 410a forms slideway, has just formed being slidingly matched along guide rod 300 bearing of trends between stationary pipes 410a and the mounting pipe 420a like this.
With reference to figure 5, this figure is the II part structure for amplifying schematic diagram among Fig. 4 again.In the present embodiment, the inwall of mounting pipe 420a forms inwardly protruded interior edge 421a, and the internal face of interior edge 421a forms slide rail; The outside wall surface of stationary pipes 410a forms slideway, and the outer end of the outside wall surface of stationary pipes 410a has the outer edge 411a of outside projection; Outer edge 411a forms above-mentioned limit body 411.The outer face 421aa of interior edge 421a is stuck on the inner face 411aa of outer edge 411a, and then, can limit the second lock body 420 extreme positions by outer edge 411a.
The operating principle of above-mentioned lock part is:
Please refer to Fig. 4, when needs locking shielding side guard board 200, by existing mode shielding side guard board 200 is regained, and mounting pipe 420a is outwards slided with respect to stationary pipes 410, and by adjusting mounting pipe 420a and the relative position of conduit 300 on left and right directions, and rotation mounting pipe 420a, make the lock hole 301 of guide rod 300 relative with two locating holes 401 on the mounting pipe 420a; Then, an end of stop pin 500 successively being passed a locating hole 401, lock hole 301 and another locating hole 401 passes from mounting pipe 420a opposite side; And then profit makes stop pin 500 fixing in a known manner.So just can make shielding side guard board 200 and caving shield 110 keep fixing.
Utilize above-mentioned locking mechanism, because locking mechanism is positioned at the outside of caving shield 110, and then can avoid linkage and other mechanisms of caving shield 110 front portions, simultaneously, locking mechanism is provided with caving shield 110 outsides, can be conveniently to the lock operation of locking mechanism; Simultaneously, owing to caving shield 110 outsides have than large space, and then can the position that locking mechanism arranges is lower, can provide larger convenience for operating personnel conduct the locking operations.
Please refer to Fig. 6, Fig. 6 is in the embodiment of the invention, and locking mechanism is removed the status architecture schematic diagram when locking between caving shield and the shielding side guard board; Omitted the shielding side guard board among the figure, wherein the figure section line partly is guide rod and the link position that screens side guard board.When between releasing caving shield 110 and shielding side guard board 200, locking, stop pin 500 can be transferred to from locating hole 401 and lock hole 301; At this moment, guide rod 300 can be with respect to holder 410a and caving shield 110 motions; And then, can make shielding side guard board 200 outwards mobile by existing mode.
When removing caving shield with the shielding side guard board, stop pin 500 can be inserted in the lock hole 301 of guide rod 300, and can make by known methods stop pin 500 keep linking to each other with guide rod 300, lose to avoid stop pin 500.At this moment, when the second lock body 420 is positioned at extreme position near caving shield 110, can make between the stop pin 500 of the second lock body 420 and insertion lock hole 301 to have suitable distance; Can avoid like this stop pin 500 and locking mechanism to interfere, stop pin 500 can successfully be inserted in the lock hole 301, can for the shielding side guard board provides suitable moving range, make things convenient for the cooperation between the hydraulic support simultaneously.
According to foregoing description, be appreciated that the outer wall that also can make mounting pipe 420a forms slide rail, make the inwall of stationary pipes 410a form slideway, so also can between stationary pipes 410a and mounting pipe 420a, form and be slidingly matched.Can make equally guide rod 300 be arranged in the tube chamber of stationary pipes 410a, and be arranged in the tube chamber of mounting pipe 420a.For mounting pipe 420a extreme position is limited, also can form at the outer wall of mounting pipe 420a the outer edge of outside projection, the outside wall surface of outer edge forms slide rail; And form slideway at the inwall of stationary pipes 410a, and the outer end of the inwall of stationary pipes 410a has inwardly protruded interior edge, and the outer face of outer edge is stuck in the inner face of interior edge; Edge plays the function and efficacy of limit body 411 in this moment.
Being appreciated that limit body 411 is not limited to above-mentioned edge structure, also can be existing position limiting structure, as being spacer pin, spacing ring etc.
In the optimal technical scheme, the center line of the center line of guide rod 300, the center line of stationary pipes 410a and mounting pipe 420a, the three overlaps.The latching force that guide rod 300 is born is parallel with the bearing of trend of guide rod 300, and then avoid because spring-force driven dual makes guide rod 300 bear the active force vertical with its bearing of trend, reduce the cutting stress that guide rod 300 produces, and then reduce guide rod 300 flexural deformations, improving guide rod 300 specifically can be fairlead with caving shield 110() between matching property, the guiding reliability of raising guide rod 300.Certainly, the center line of the center line of guide rod 300, the center line of stationary pipes 410a and mounting pipe 420a, the three can not overlap yet.
Under specific circumstances, guide rod 300 also can be positioned at outside stationary pipes 410a and the mounting pipe 420a, and make the suitable distance of maintenance between guide rod 300 and the mounting pipe 420a, when shielding side guard board 200 is regained, but stop pin 500 can be cooperated with locating hole 401 and lock hole 301 to plug, also can realize the locking to shielding side guard board 200.
According to foregoing description, be appreciated that the first lock body 410 and the second lock body 420 are not limited to tubular structure.Please refer to Fig. 7, this figure is the structural representation of lock part in the hydraulic support that provides of another embodiment of the present invention.Among this embodiment.The first lock body 410 and the second lock body 420 are positioned at a side of guide peg 300, and the first lock body 410 is fixed on the lateral surface of caving shield 110, form locating hole 401 on the second lock body 420; The first lock body 410 is provided with the slideway that the centerline direction at guide rod 300 extends, the second lock body 420 is provided with the slide rail that cooperates with slideway, like this, just be formed on being slidingly matched on the bearing of trend of guide rod 300 between the first lock body 410 and the second lock body 420, this is slidingly matched when allowing the first lock body 410 and the second lock body 420 relative sliding, can limit the two separation in the other direction; The outer end of slideway has the limit body 411 of restriction the second lock body 420 extreme positions.Keep suitable distance between guide rod 300 and the second lock body 420, when shielding side guard board 200 was regained, stop pin 500 can insert in locating hole 401 and lock hole 301 cooperations, made the second lock body 420 and guide rod 300 keep locking.
In above-described embodiment, with the second lock body 420(or mounting pipe 420a) with guide rod 300 lockings after, owing to be slidingly matched between the second lock body 420 and the first lock body 410, and then, guide rod 300 or shielding side guard board 200 are adjusted in the slideway length range with respect to caving shield 110, can provide convenience for the insertion of stop pin 500 so on the one hand, also can improve the flexibility of shielding side guard board 200, make things convenient for the cooperation of hydraulic support.
In addition, integral type lock body 400 on the lateral surface that is installed in caving shield 110 can be set also, and make it form the center line locating hole 401 vertical with the bearing of trend of guide rod 300; Guide rod 300 forms the center line lock hole 301 vertical with the bearing of trend of guide rod 300.Like this, when shielding side guard board 200 is regained, can make lock hole 301 relative with locating hole 401, but stop pin 500 plugs ground is cooperated with locating hole 401 and lock hole 301, also can realize the locking to shielding side guard board 200.
Above-mentioned stop pin 500 two ends can be respectively arranged with jack, and the center line of jack is vertical with the center line of stop pin 500; Also comprise the latch 510 that cooperates with jack.In addition, stop pin 500 1 ends can be provided with jack, and the other end can be provided with handle; And make the center line of jack vertical with the center line of stop pin 500; Also comprise the latch 510 that cooperates with jack; Handle can make things convenient for the plug operation of stop pin 500.
Above-mentioned latch 510 can be D type card.D type card one end inserts jack, and stretches out a part, and extension forms and locks section; After the other end rotation coiled D shape structure, be pressed on the locking section, prevent that D type card from coming off.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. hydraulic support, the shielding side guard board (200) and the guide rod (300) that comprise caving shield (110), be used with described caving shield (110); The outer end of described guide rod (300) is stretched out described caving shield (110) and is linked to each other with described shielding side guard board (200), it is characterized in that, also comprises lock body (400) and stop pin (500); Described lock body (400) is installed on the lateral surface of described caving shield (110), and forms locating hole (401); Described guide rod (300) forms lock hole (301); When described shielding side guard board (200) is regained, described stop pin (500) but plug ground cooperate with described locating hole (401) and lock hole (301).
2. hydraulic support according to claim 1 is characterized in that, described lock body (400) comprises the first lock body (410) and the second lock body (420); Described the first lock body (410) is fixed on the lateral surface of described caving shield (110), the upper described locating hole (401) that forms of described the second lock body (420); Described the first lock body (410) is provided with the slideway that the centerline direction at described guide rod (300) extends, and described the second lock body (420) is provided with the slide rail that cooperates with described slideway; The outer end of described slideway has the limit body (411) of restriction described the second lock body (420) extreme position.
3. hydraulic support according to claim 2 is characterized in that, described the first lock body (410) and the second lock body (420) are respectively stationary pipes (410a) and mounting pipe (420a); The inner of described stationary pipes (410a) is fixed on the lateral surface of described caving shield (110); Form two relative described locating holes (401) on the tube wall of described mounting pipe (420a), described lock hole (301) is through hole; The inwall of described mounting pipe (420a) forms described slide rail, and the outer wall of described stationary pipes (410a) forms described slideway; Described guide rod (300) is arranged in the tube chamber of described stationary pipes (410a), and is arranged in the tube chamber of described mounting pipe (420a).
4. hydraulic support according to claim 3 is characterized in that, the inwall of described mounting pipe (420a) forms inwardly protruded interior edge (421a), and the internal face of described interior edge (421a) forms described slide rail; The outside wall surface of described stationary pipes (410a) forms described slideway, and the outer end of the outside wall surface of described stationary pipes (410a) has the outer edge (411a) of outside projection, and the outer face (421aa) of described interior edge (421a) is stuck on the inner face (411aa) of described outer edge (411a).
5. hydraulic support according to claim 2 is characterized in that, described the first lock body (410) and the second lock body (420) are respectively stationary pipes (410a) and mounting pipe (420a); The inner of described stationary pipes (410a) is fixed on the lateral surface of described caving shield (110); Form two relative described locating holes (401) on the tube wall of described mounting pipe (420a), described lock hole (301) is through hole; The outer wall of described mounting pipe (420a) forms described slide rail, and the inwall of described stationary pipes (410a) forms described slideway; Described guide rod (300) is arranged in the tube chamber of described stationary pipes (410a), and is arranged in the tube chamber of described mounting pipe (420a).
6. hydraulic support according to claim 5 is characterized in that, the outer wall of described mounting pipe (420a) forms the outer edge of outside projection, and the outside wall surface of described outer edge forms described slide rail; The inwall of described stationary pipes (410a) forms described slideway, and the outer end of the inwall of described stationary pipes (410a) has inwardly protruded interior edge, and the outer face of described outer edge is stuck in the inner face of described interior edge.
7. each described hydraulic support is characterized in that according to claim 3-6, the center line of the center line of described guide rod (300), stationary pipes (410a) and the center line of mounting pipe (420a), and the three overlaps.
8. each described hydraulic support according to claim 2-6, it is characterized in that, when described the second lock body (420) is positioned at the extreme position of close described caving shield (110), has distance between the described stop pin (500) of described the second lock body (420) and the described lock hole of insertion (301).
9. each described hydraulic support is characterized in that according to claim 1-6, and described stop pin (500) two ends are respectively arranged with jack, and the center line of described jack is vertical with the center line of described stop pin (500); Also comprise the latch (510) that cooperates with described jack.
10. each described hydraulic support is characterized in that according to claim 1-6, and described stop pin (500) one ends are provided with jack, and the other end is provided with handle; The center line of described jack is vertical with the center line of described stop pin (500); Also comprise the latch (510) that cooperates with described jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555802.XA CN103046942B (en) | 2012-12-19 | 2012-12-19 | Hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555802.XA CN103046942B (en) | 2012-12-19 | 2012-12-19 | Hydraulic support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103046942A true CN103046942A (en) | 2013-04-17 |
| CN103046942B CN103046942B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210555802.XA Active CN103046942B (en) | 2012-12-19 | 2012-12-19 | Hydraulic support |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060024138A1 (en) * | 2004-08-02 | 2006-02-02 | Rudolf Barmann | Prop head bearing |
| CN201650329U (en) * | 2010-03-26 | 2010-11-24 | 三一重型装备有限公司 | Cross-connecting structure |
| CN201714413U (en) * | 2010-05-10 | 2011-01-19 | 淮南舜立机械有限责任公司 | Suspended support connecting device and suspended support |
| CN201915978U (en) * | 2011-01-28 | 2011-08-03 | 三一重型装备有限公司 | Anti-rotating device of hydraulic support side guard board |
| CN201991542U (en) * | 2011-04-29 | 2011-09-28 | 三一重型综采成套装备有限公司 | Hydraulic support bottom raising device and hydraulic support |
| CN102235173A (en) * | 2010-04-30 | 2011-11-09 | 三一重型装备有限公司 | Locking device of hydraulic bracket side guard plate |
| CN202441405U (en) * | 2012-01-31 | 2012-09-19 | 三一重型综采成套装备有限公司 | Side protective plate locking device of hydraulic bracket and hydraulic bracket |
-
2012
- 2012-12-19 CN CN201210555802.XA patent/CN103046942B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060024138A1 (en) * | 2004-08-02 | 2006-02-02 | Rudolf Barmann | Prop head bearing |
| CN201650329U (en) * | 2010-03-26 | 2010-11-24 | 三一重型装备有限公司 | Cross-connecting structure |
| CN102235173A (en) * | 2010-04-30 | 2011-11-09 | 三一重型装备有限公司 | Locking device of hydraulic bracket side guard plate |
| CN201714413U (en) * | 2010-05-10 | 2011-01-19 | 淮南舜立机械有限责任公司 | Suspended support connecting device and suspended support |
| CN201915978U (en) * | 2011-01-28 | 2011-08-03 | 三一重型装备有限公司 | Anti-rotating device of hydraulic support side guard board |
| CN201991542U (en) * | 2011-04-29 | 2011-09-28 | 三一重型综采成套装备有限公司 | Hydraulic support bottom raising device and hydraulic support |
| CN202441405U (en) * | 2012-01-31 | 2012-09-19 | 三一重型综采成套装备有限公司 | Side protective plate locking device of hydraulic bracket and hydraulic bracket |
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| Publication number | Publication date |
|---|---|
| CN103046942B (en) | 2014-09-10 |
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Effective date of registration: 20160818 Address after: 413000 Yiyang high tech Zone in the eastern part of the New District of integrated services building, Room 502, Hunan Patentee after: Yiyang science and Technology Achievement Transformation Service Center Patentee after: Sany Heavy Equipment Co.,Ltd. Address before: Yansai Lake Street 110027 economic and Technological Development Zone Liaoning city Shenyang province No. 31 Patentee before: Sany Heavy Equipment Co.,Ltd. |