CN211900651U - Resetting device for two-piece single hydraulic prop - Google Patents
Resetting device for two-piece single hydraulic prop Download PDFInfo
- Publication number
- CN211900651U CN211900651U CN202020270369.5U CN202020270369U CN211900651U CN 211900651 U CN211900651 U CN 211900651U CN 202020270369 U CN202020270369 U CN 202020270369U CN 211900651 U CN211900651 U CN 211900651U
- Authority
- CN
- China
- Prior art keywords
- connecting lug
- bottom cover
- plunger
- hydraulic prop
- upper connecting
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a resetting device for two-piece single hydraulic prop, the liquid control bottom cover of the plunger is movable, the device comprises an upper connecting lug fixed under the liquid control bottom cover, a lower connecting lug fixed on the back cover base, an upper connecting ring fixed under the top cover of the upper part of the inner cavity of the plunger, and a lower connecting ring fixed on the liquid control bottom cover, a vertically arranged elastic element is arranged between the upper connecting ring and the lower connecting ring, the upper connecting lug and the lower connecting lug are used for mutually matching to fix the lower end of the elastic element on the back cover base, and the elastic element is used for providing pulling force for the plunger to enable the plunger to be quickly reset; the utility model solves the problem of slow moving column resetting of the two-piece single support column through local improvement on the premise of not changing the overall performance of the support column; by utilizing the gravity principle, the plug pin is inserted into the through holes of the upper connecting lug and the lower connecting lug under the action of gravity by rotating the direction of the support; the elastic piece can be dismantled and installed in the pit, the maintenance of the pillar of being convenient for.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the coal mine equipment field especially relates to a resetting means that is used for two formula hydraulic prop.
[ background of the invention ]
The mining single hydraulic prop is an external constant resistance single hydraulic prop, can be matched with various top beams and can also be used as a main column. The support can be used for supporting a roof on a blasting mining working face and can also be used for other temporary supports. A single flexible prop which utilizes the pressure of the liquid to generate the working resistance and realize the lifting and unloading of the prop.
The existing two-piece single support (patent number: ZL 201821896815.2) can not be provided with a built-in spring because the outer cylinder column barrel of the support and the base are welded, and has the advantages of small application range, low dismantling speed, and low assembly and maintenance because the existing two-piece single support is not provided with a return spring in order to further expand the application range of the two-piece single support and improve the adaptability of products.
[ Utility model ] content
The utility model aims at providing a resetting means for two formula hydraulic prop to solve the slow problem that resets of current two formula hydraulic prop.
The utility model adopts the following technical scheme: the utility model provides a resetting means for two formula hydraulic prop, the accuse liquid bottom cover of post alive is movable, the device is including being fixed in the last connection ear under the accuse liquid bottom cover, be fixed in the lower connection ear on the back cover base, be fixed in the last go-between under the post inner chamber upper portion back cover top cover alive, be fixed in the lower go-between of accuse liquid bottom cover, go up the elastic component of installing vertical setting between go-between and the lower go-between, go up the connection ear and connect the ear down and be used for mutually supporting to fix the lower extreme of elastic component on the back cover base, the elastic component is used for providing pulling force for the post alive, make its reset fast.
Furthermore, the lower connecting ring consists of an upper fixing ring and a lower fixing ring which are arranged up and down, the lower end of the lower fixing ring is fixedly connected with the liquid control bottom cover, the upper end of the lower fixing ring is mutually connected with the upper fixing ring through bolts, and the upper fixing ring is used for mounting the lower end of the elastic part.
Furthermore, all seted up the through-hole on last connection ear and the lower connection ear, two through-holes are used for the bolt level to pass in proper order to it is spacing to go up the connection ear.
Further, the liquid control bottom cover is fixedly connected with a guide block, a guide groove is formed in the guide block in a penetrating mode, the guide groove is coaxial with the through hole of the upper connecting lug, the guide groove is used for containing a bolt, and the bolt is used for sequentially inserting the through holes of the upper connecting lug and the lower connecting lug along the guide groove in the horizontal direction.
Furthermore, the bolt is strip, and the level setting is between back cover base and accuse liquid bottom cover, and the bolt is used for inserting the through-hole of connecting the ear and connecting the ear down along the guide way to it is spacing to go up the connecting ear.
Furthermore, a limiting ring is arranged in the plunger around the inner wall of the plunger, the limiting ring is fixedly connected with the inner wall of the plunger, and the limiting ring is used for limiting the liquid control bottom cover so that the liquid control bottom cover is positioned below the limiting ring.
Furthermore, marks are arranged on the outer wall of the cylinder barrel and used for observing whether the through holes of the upper connecting lug and the lower connecting lug are aligned or not.
The utility model has the advantages that: on the premise of not changing the overall performance of the strut, the problem that the movable column of the two-piece single strut is slowly reset is solved through local improvement; by utilizing the gravity principle, the plug pin is inserted into the through holes of the upper connecting lug and the lower connecting lug under the action of gravity by rotating the direction of the support; the elastic piece can be dismantled and installed in the pit, the maintenance of the pillar of being convenient for.
[ description of the drawings ]
FIG. 1 is a schematic view of the present invention installed in a pillar;
FIG. 2 is a schematic view of the present invention installed in a pillar;
FIG. 3 is a partial schematic view of the bottom cover of the liquid control device of the present invention;
fig. 4 is a partial schematic view of the bottom cover of the central liquid control system of the present invention;
FIG. 5 is a partial schematic view of the bottom sealing base of the present invention;
fig. 6 is a partial schematic view of the bottom sealing base of the present invention.
Wherein: 1. a cylinder barrel; 2. a back cover base; 3. a multifunctional clamp; 4. a plunger; 5. capping the top cover; 6. a liquid control bottom cover; 7. a column cap; 8. a dustproof telescopic sleeve; 9. an upper connecting ring; 10. an elastic member; 11. a lower connecting ring; 12. a limiting ring; 13, inserting a pin; 14. the upper connecting lug; 15. a lower connecting lug; 16. an upper fixing ring; 17. a lower fixing ring; and 18 a guide block.
[ detailed description ] embodiments
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a resetting means for two formula hydraulic prop, as shown in fig. 1 and 2, the utility model discloses a go on based on two formula hydraulic prop, and improve two formula hydraulic prop, its improvement point is exactly that the accuse liquid bottom cap 6 of traveller 4 is movable, and the structure of two formula hydraulic prop is the same with the syringe structure, after traveller 4 inserts cylinder 1, can realize the basic function of singler prop. Wherein, the cylinder body bears the functions of the original cylinder barrel, the handle body and the three-way valve, and the plunger 4 bears the functions of lifting, guiding, dust prevention, limiting, resetting and the like.
The two-piece single hydraulic prop main part consists of a cylinder body and a movable column body. The cylinder body comprises a cylinder barrel 1, a bottom sealing base 2 and a multifunctional clamp 3. A bottom sealing base 2 is welded at the lower opening of the cylinder barrel 1, and a multifunctional clamp 3 is welded at the upper opening; the multifunctional clamp 3 comprises a clamp main body, a dustproof sleeve lower opening connecting clamping groove and a three-way valve, and the clamp main body contains a Y-shaped seal.
The movable column body consists of a movable column 4, a capping top cover 5, a liquid control bottom cover 6 and a column head 7. 4 inner chamber upper portions of post that lives welding capping top cap 5, 4 inner chamber lower parts of post that lives are provided with accuse liquid bottom cap 6, accuse liquid bottom cap 6 and the post that lives do not have the relation of connection between 4, accuse liquid bottom cap 6 and post 4 that lives are the separation setting promptly, do not have any relation of connection, need pass through the utility model provides a device connects, consequently, the utility model discloses can reform transform the post 4 that lives of original two formula hydraulic prop, be about to the relation of changing into the activity of the welding relation between original accuse liquid bottom cap 6 and the post 4 that lives, needn't waste original hydraulic prop like this, can satisfy current requirement after reforming transform on its original basis, greatly reduced manufacturing cost.
The column head 7 is fixed on the plunger 4 by a spring pin, and a dustproof sleeve opening connecting clamping groove is arranged on the column head 7; the exposed part of the plunger 4 is additionally provided with a dustproof telescopic sleeve 8, and the dustproof telescopic sleeve 8 extends and retracts along with the lifting of the plunger 4; the upper opening clamp of the dustproof telescopic sleeve 8 is connected with the upper opening connecting clamp groove of the dustproof sleeve, and the lower opening clamp of the dustproof telescopic sleeve 8 is connected with the lower opening connecting clamp groove of the dustproof sleeve.
The dustproof telescopic sleeve 8 is also a limiting device for lifting the movable column 4, when the telescopic sleeve is straightened, the movable column 4 is lifted to a limited position to remind an operator that the support column has reached the maximum supporting height, and the support column has an excessively small specification and must be replaced by a large-specification support column; such as by refilling. The dustproof telescopic sleeve 8 is broken, and the liquid injection must be stopped, otherwise the plunger 4 can be bent or pulled out of the cylinder barrel 1.
As shown in fig. 3 and 4, the device in the present invention includes an upper connection lug 14 fixed under the bottom cover 6 of the liquid control, a lower connection lug 15 fixed on the bottom sealing base 2, an upper connection ring 9 fixed under the top sealing cover 5 on the upper portion of the inner cavity of the plunger 4 and a lower connection ring 11 fixed on the bottom cover 6 of the liquid control, an elastic member 10 of vertical setting is installed between the upper connection ring 9 and the lower connection ring 11, the upper connection lug 14 and the lower connection lug 15 are used for mutually matching to fix the lower end of the elastic member 10 on the bottom sealing base 2, the elastic member 10 is used for providing tension for the plunger 4, so as to make it reset quickly. On the premise of not changing the overall performance of the support, the problem of the restoration of the movable column 4 of the two-piece single support is solved through local improvement.
As shown in fig. 5 and 6, the lower connection ring 11 is composed of an upper fixing ring 16 and a lower fixing ring 17 which are vertically disposed, the lower fixing ring 17 is square or rectangular, the lower end thereof is fixedly connected to the liquid control bottom cover 6, the upper end thereof is connected to the upper fixing ring 16 by bolts, and the upper fixing ring 16 is used for mounting the lower end of the elastic member 10. The elastic member 10 is a special spring or other tools which can meet the elastic requirement, because the elastic member 10 is easy to rotate in the process of being stretched by the upper connecting ring 9 and the lower connecting ring 11, and the whole plunger 4 is required to rotate when the device of the utility model is subsequently installed, the elastic member 10 is easy to rotate in the rotating process, and the elasticity of the elastic member 10 after being twisted is limited, therefore, the utility model discloses a lower connecting ring 11 is arranged into two mutually connected fixing rings, namely an upper fixing ring 16 and a lower fixing ring 17, and the upper fixing ring 16 and the lower fixing ring 17 are mutually connected through bolts, namely the upper fixing ring 16 can rotate relative to the lower fixing ring 17, so when the elastic member 10 is forced to rotate, the upper fixing ring 16 can rotate along with the elastic member 10, thereby ensuring that the elastic member 10 is in a natural stressed state all the time, the elasticity of the elastic member 10 is ensured.
Go up and all seted up the through-hole on connecting ear 14 and the lower connecting ear 15, two through-holes are used for bolt 13 level to pass in proper order to it is spacing to go up connecting ear 14. Since the plunger 4 needs to move up and down, and a pulling force is applied to the top of the plunger 4, one end of the elastic member 10 must be fixed to the back cover base 2, and therefore, the lower connecting lug 15 needs to be fixed to the back cover base 2, and then the upper connecting lug 14 and the lower connecting lug 15 are fixed by the pin 13 passing through the two through holes through the upper connecting lug 14 and the lower connecting lug 15 which are fixed to the bottom cover 6 of the fluid control device.
The liquid control bottom cover 6 is fixedly connected with a guide block 18, a guide groove is formed in the guide block 18 in a penetrating mode, the guide groove is coaxially arranged with a through hole of the upper connecting lug 14, the guide groove is used for containing the bolt 13, and the bolt 13 is used for sequentially penetrating through the through holes of the upper connecting lug 14 and the lower connecting lug 15 along the guide groove in the horizontal direction. Because bolt 13 is in being used for inserting connecting lug 14 and the through-hole of connecting lug 15 down, consequently linear motion need be followed to bolt 13, then smooth insert in connecting lug 14 and the through-hole of connecting lug 15 down, but bolt 13 is located cylinder 1, the user can't directly perceivedly see the direction of motion, consequently can lead to the motion of bolt 13 through guide block 18, avoid the skew axis of motion of bolt 13 to go up connecting lug 14 and the axis of connecting lug 15 through-hole down, guarantee that bolt 13 is smooth insert connecting lug 14 and the through-hole of connecting lug 15 down, it is right to guarantee the utility model discloses a it is fixed.
Because last connecting ear 14 and lower connecting ear 15 all are located cylinder 1, for the user, it is unable through eyes direct observation to go up connecting ear 14 and lower connecting ear 15, it is more unable to observe whether the through-hole of going up connecting ear 14 and lower connecting ear 15 aligns, through setting up guide block 18, can only ensure the route of movement of bolt 13, it aligns to go up connecting ear 14 and lower connecting ear 15 to aim at bolt 13, can't guide the user to rotate the rotation angle of plunger 4, consequently be provided with the mark on the cylinder 1 outer wall, the mark is used for the user to rotate plunger 4 according to the sign, and then make the through-hole of going up connecting ear 14 and lower connecting ear 15 align.
A limiting ring 12 is arranged in the plunger 4 around the inner wall of the plunger, the limiting ring 12 is positioned at the lower part of the inner cavity of the plunger 4, the limiting ring 12 is fixedly connected with the inner wall of the plunger 4, and the limiting ring 12 is used for limiting the liquid control bottom cover 6, so that the liquid control bottom cover 6 is positioned below the limiting ring 12. Because accuse liquid bottom cap 6 is movable, consequently installing the utility model discloses the in-process that the pillar of device used, elastic component 10 is constantly stretched, and go up the go-between 11 and fix on accuse liquid bottom cap 6, consequently if will make elastic component 10 produce the pulling force to post 4 inner chamber upper portion capping top cap 5, just must fix accuse liquid bottom cap 6, consequently carry on spacingly to accuse liquid bottom cap 6 through setting up spacing ring 12, when the pillar supports the roof, post 4 rises, elastic component 10 is pulled up, when canceling the support, post 4 descends, elastic component 10 passes through the pulling force, the falling speed of post 4 accelerates.
The utility model discloses in the in-process that uses, the emulsion passes through the gap between spacing ring 12 and the accuse liquid bottom cover 6 and gets into 4 inner chambers of post that lives, treat that the emulsion is full of behind 4 inner chambers of post that lives, make top closure 5 up move, the distance between top closure 5 and the accuse liquid bottom cover 6 is the biggest this moment, post 4 supports the roof that lives, after finishing using, the emulsion flows 4 inner chambers of post that lives through the gap between spacing ring 12 and the accuse liquid bottom cover 6, top closure 5 downstream, elastic component 10 stimulates top closure 5 and resets with higher speed downwards.
The utility model discloses an installation method comprises following steps:
the upper end of the elastic member 10 is hung on the upper connection ring 9,
the lower end of the elastic member 10 is hung on the lower connection ring 11,
the liquid control bottom cover 6 of the plunger 4 is pulled to the lower part of the limit ring 12, so that the limit ring 12 clamps the liquid control bottom cover 6,
the plunger 4 is inserted into the cylinder 1 as a whole,
the plunger 4 is rotated according to the mark so that the through holes of the upper and lower connecting ears 14 and 15 are aligned,
the single prop is continuously poured to be in a horizontal state, the bolt 13 is enabled to be sequentially inserted into the through holes of the upper connecting lug 14 and the lower connecting lug 15 along the guide groove through self weight, and then the dustproof sleeve is installed to lift the movable prop by about 150mm to tension the elastic piece, so that the elastic piece is in a stretching state.
The utility model discloses a demolish the process opposite with the installation, when needs are demolishd, will live post 4 and rotate according to the sign, then constantly empty the monomer pillar to the horizontality for bolt 13 utilizes dead weight roll-off to go up the through-hole of engaging lug 14 and lower engaging lug 15, will live post 4 and pull out from cylinder 1.
Claims (7)
1. The utility model provides a resetting means for two-piece monomer hydraulic prop, characterized in that, the accuse liquid bottom cover (6) of post (4) are movable, and the device is including being fixed in upper connection ear (14) under accuse liquid bottom cover (6), being fixed in lower connection ear (15) on back cover base (2), being fixed in last go-between (9) under the sealed top cap (5) of post (4) inner chamber upper portion, being fixed in lower go-between (11) on accuse liquid bottom cover (6), install vertical setting's elastic component (10) between last go-between (9) and lower go-between (11), go up connection ear (14) and lower connection ear (15) are used for mutually supporting to fix the lower extreme of elastic component (10) on back cover base (2), elastic component (10) are used for providing pulling force for post (4), make its quick reset.
2. The resetting device for a two-piece monoblock hydraulic prop according to claim 1, characterized in that the lower connecting ring (11) consists of an upper fixing ring (16) and a lower fixing ring (17) arranged one above the other, the lower end of the lower fixing ring (17) being fixedly connected to the liquid control bottom cover (6) and the upper end thereof being interconnected to the upper fixing ring (16) by means of bolts, the upper fixing ring (16) being used for mounting the lower end of the elastic member (10).
3. The resetting device for a two-piece single hydraulic prop according to claim 2, wherein the upper connecting lug (14) and the lower connecting lug (15) are both provided with through holes, and the two through holes are used for a bolt (13) to sequentially pass through horizontally and limit the upper connecting lug (14).
4. The resetting device for the two-piece single hydraulic prop according to claim 3, wherein a guide block (18) is fixedly connected to the lower portion of the liquid control bottom cover (6), a guide groove is horizontally formed in the upper portion of the guide block (18) in a penetrating manner, the guide groove is coaxially arranged with the through hole of the upper connecting lug (14), the guide groove is used for accommodating the plug pin (13), and the plug pin (13) is used for being sequentially inserted into the through holes of the upper connecting lug (14) and the lower connecting lug (15) along the guide groove in the horizontal direction.
5. The resetting device for a two-piece monoblock hydraulic prop according to claim 3 or 4, characterized in that said latch (13) is strip-shaped and horizontally arranged between the back cover base (2) and the liquid control bottom cover (6), said latch (13) being adapted to be inserted into the through holes of the upper connecting lug (14) and the lower connecting lug (15) along the guide groove and to limit the position of the upper connecting lug (14).
6. The resetting device for the two-piece single hydraulic prop according to claim 5, wherein a limiting ring (12) is arranged inside the plunger (4) and around the inner wall of the plunger, the limiting ring (12) is fixedly connected with the inner wall of the plunger (4), and the limiting ring (12) is used for limiting the liquid control bottom cover (6) so that the liquid control bottom cover (6) is positioned below the limiting ring (12).
7. A resetting device for a two-part single hydraulic prop according to claim 6, characterized in that the cylinder barrel (1) is provided with markings on its outer wall for observing whether the through-holes of the upper connecting lug (14) and the lower connecting lug (15) are aligned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270369.5U CN211900651U (en) | 2020-03-07 | 2020-03-07 | Resetting device for two-piece single hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270369.5U CN211900651U (en) | 2020-03-07 | 2020-03-07 | Resetting device for two-piece single hydraulic prop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211900651U true CN211900651U (en) | 2020-11-10 |
Family
ID=73301148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020270369.5U Active CN211900651U (en) | 2020-03-07 | 2020-03-07 | Resetting device for two-piece single hydraulic prop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211900651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173545A (en) * | 2020-03-07 | 2020-05-19 | 陕西陕煤韩城矿业有限公司 | Resetting device for two-piece single hydraulic prop and mounting method thereof |
-
2020
- 2020-03-07 CN CN202020270369.5U patent/CN211900651U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173545A (en) * | 2020-03-07 | 2020-05-19 | 陕西陕煤韩城矿业有限公司 | Resetting device for two-piece single hydraulic prop and mounting method thereof |
| CN111173545B (en) * | 2020-03-07 | 2024-06-14 | 陕西陕煤韩城矿业有限公司 | Resetting device for two-piece single hydraulic prop and installation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211900651U (en) | Resetting device for two-piece single hydraulic prop | |
| CN111173545B (en) | Resetting device for two-piece single hydraulic prop and installation method thereof | |
| CN211080144U (en) | Gate for water conservancy channel | |
| CN111648799B (en) | Two-piece type single hydraulic prop | |
| CN105889505A (en) | Adjustable pressing pressure vessel | |
| CN110359370A (en) | Drag-line and its manufacturing method with sealing structure rain cover | |
| CN212716682U (en) | Two-piece single hydraulic prop | |
| CN102328197A (en) | Hydraulic automatic pin pulling device | |
| CN203201571U (en) | Single hydraulic brace | |
| CN209368825U (en) | A kind of solid mechanical device of stake for building | |
| CN202192405U (en) | Hydraulic automatic pin pulling device | |
| CN209727621U (en) | A kind of lifting lug X-direction tension grip | |
| CN209669852U (en) | Steel-pipe pile transverse direction pile extension device | |
| CN209464424U (en) | A kind of hanging clamping unit of infusion bottle | |
| CN209707246U (en) | A kind of lifting lug Y-direction tension grip | |
| CN202428170U (en) | Press installing device of thin-wall slide matching air cylinder sleeve of diesel engine | |
| CN207004546U (en) | A kind of anti-down rope device of hydraulic prop | |
| CN217897898U (en) | Low-position liquid injection type suspension single hydraulic prop | |
| CN203547765U (en) | Hydraulic support stand column for coal mine | |
| CN213041886U (en) | Special device for high-voltage test lead suspension wire | |
| CN215838983U (en) | Arm lifting rod | |
| CN210966701U (en) | Steel pipe positioning mechanism for steel pipe sealing machine | |
| CN220056053U (en) | Lifting tool for movable guide vane of hydroelectric generating set | |
| CN112509717B (en) | Source guiding pipe lifting device for in-service inspection of claw gaskets of control rod driving mechanism | |
| CN202174395U (en) | Hydraulic cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |