CN213039296U - Hydraulic support with safety limiting structure - Google Patents
Hydraulic support with safety limiting structure Download PDFInfo
- Publication number
- CN213039296U CN213039296U CN202021889320.4U CN202021889320U CN213039296U CN 213039296 U CN213039296 U CN 213039296U CN 202021889320 U CN202021889320 U CN 202021889320U CN 213039296 U CN213039296 U CN 213039296U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- movably connected
- ring
- hydraulic support
- hydraulic stem
- 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
Abstract
The utility model discloses a hydraulic support with safe limit structure, including hydraulic stem body and loose axle, there is the removal seat bottom of hydraulic stem body through loose axle swing joint, and there is the bullet post inside wall of hydraulic stem body through inside spring swing joint, and one side swing joint of bullet post has the removal seat, and the sliding surface that removes the seat is connected with the mount pad. This hydraulic support with safety limit structure, through the loose axle, remove the seat, the setting of inside spring and bullet post, can be when the angle that changes the hydraulic stem, can be through the cooperation between spring and the bullet post, hydraulic stem after changing the angle carries on spacingly, then through the clamp ring, the side ring, the setting of dwang and outer clamp ring, carry out the centre gripping to the hydraulic stem, at last through the bottom plate, the ejector pin, the setting of sill bar and movable block, change the angle of hydraulic stem, the ejector pin rotates on the sill bar, the ejector pin rotates on movable block and bottom plate respectively with one side of sill bar, increase spacing steadiness.
Description
Technical Field
The utility model relates to a hydraulic support technical field specifically is a hydraulic support with safe limit structure.
Background
The hydraulic support is a structure used for controlling the mine pressure of a coal face, the mine pressure of the coal face acts on the hydraulic support in an external load mode, and in a mechanical system in which the hydraulic support and surrounding rock of the coal face interact, if the resultant force of all supporting pieces of the hydraulic support and the resultant force of the external load of a top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the surrounding rock of the coal face.
At present, when a hydraulic support is installed on a device, the position of the hydraulic support is troublesome to change according to the installation condition, and when the hydraulic support is used for supporting a structure under the mine pressure of a coal face, the angle of the hydraulic support can be changed, but the surface of the hydraulic support is lack of a limiting structure, so that the stability of the hydraulic support is possibly not good, and therefore the hydraulic support with the safety limiting structure is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a hydraulic support with safe limit structure has solved the problem of proposing in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a hydraulic support with safe limit structure, includes hydraulic stem body and loose axle, there is the removal seat bottom of hydraulic stem body through loose axle swing joint, there is the bullet post inside wall of hydraulic stem body through inside spring swing joint, one side swing joint of bullet post has the removal seat, the sliding surface of removal seat is connected with the mount pad, the sliding surface of hydraulic stem body is connected with the clamp ring, there is the dwang one side of clamp ring through side ring swing joint, the surperficial threaded connection of dwang has outer clamp ring, the lower surface of outer clamp ring has the ejector pin through bottom plate swing joint, peg graft in the bottom of ejector pin has the sill bar, one side of sill bar pass through the movable block with mount pad swing joint.
Optionally, both ends of the movable shaft penetrate through the bottom of the hydraulic rod body and are movably connected with the movable seat, and clamping grooves are formed in both sides of the movable seat.
Optionally, one side of the internal spring is fixedly connected with the inner side wall of the hydraulic rod body, and the other side of the internal spring is fixedly connected with the elastic column.
Optionally, the quantity of clamp ring is two, two the equal fixedly connected with in one side of clamp ring the side ring, the inside swing joint of side ring has the dwang.
Optionally, the number of the outer clamping rings is two, and connecting bolts are installed on two sides of each outer clamping ring.
Optionally, the surface of the moving block is movably connected with the mounting base through a limiting bolt, and the inner side wall of the moving block is movably connected with the bottom rod.
(III) advantageous effects
The utility model provides a hydraulic support with safe limit structure possesses following beneficial effect:
this hydraulic support with safety limit structure, through the loose axle, remove the seat, the setting of inside spring and bullet post, can be when the angle that changes the hydraulic stem, can be through the cooperation between spring and the bullet post, hydraulic stem after changing the angle carries on spacingly, then through the clamp ring, the side ring, the setting of dwang and outer clamp ring, can carry out the centre gripping to the hydraulic stem, last through the bottom plate, the ejector pin, the setting of sill bar and movable block, when changing the angle of hydraulic stem, the ejector pin rotates on the sill bar, the ejector pin rotates on movable block and bottom plate respectively with one side of sill bar, can increase spacing steadiness.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the bullet column of the present invention;
FIG. 3 is a schematic view of the rotating rod structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
In the figure: 1. a hydraulic rod body; 2. a movable shaft; 3. a movable seat; 4. an inner spring; 5. a bullet column; 6. a mounting seat; 7. a clamping ring; 8. a side ring; 9. rotating the rod; 10. an outer clamping ring; 11. a base plate; 12. a top rod; 13. a bottom bar; 14. moving the mass.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: a hydraulic support with a safety limit structure comprises a hydraulic rod body 1 and a movable shaft 2, wherein the bottom of the hydraulic rod body 1 is movably connected with a movable seat 3 through the movable shaft 2, the inner side wall of the hydraulic rod body 1 is movably connected with an elastic column 5 through an internal spring 4, one side of the elastic column 5 is movably connected with the movable seat 3, the position of the hydraulic rod can be changed through the arrangement of the movable seat 3, the surface of the movable seat 3 is slidably connected with an installation seat 6, the surface of the hydraulic rod body 1 is movably connected with a clamping ring 7, one side of the clamping ring 7 is movably connected with a rotating rod 9 through a side ring 8, the surface of the rotating rod 9 is in threaded connection with an outer clamping ring 10, the lower surface of the outer clamping ring 10 is movably connected with an ejector rod 12 through a bottom plate 11, the bottom of the ejector rod 12 is inserted with a bottom rod 13, one side of the bottom rod 13 is movably connected with the installation seat 6 through a movable block 14, two ends of the movable, clamping grooves are formed in the two sides of the movable seat 3, the elastic columns 5 can be ejected out of the clamping grooves through the internal springs 4 through the arrangement of the clamping grooves, the angle of the hydraulic rod is fixed, one side of an internal spring 4 is fixedly connected with the inner side wall of the hydraulic rod body 1, the other side of the internal spring 4 is fixedly connected with an elastic column 5, the number of clamping rings 7 is two, one side of each of the two clamping rings 7 is fixedly connected with a side ring 8, the inner part of each side ring 8 is movably connected with a rotating rod 9, the number of the outer clamping rings 10 is two, connecting bolts are respectively arranged on the two sides of each of the two outer clamping rings 10, the surface of a moving block 14 is movably connected with an installation seat 6 through limiting bolts, and through the arrangement of the limiting bolts, after the angle of the hydraulic rod is changed, the positions of the moving block 14 and the moving base 3 can be fixed by using a limiting bolt, the moving block 14 and the moving base 3 are connected to the limiting bolt, and the bottom rod 13 is movably connected to the inner side wall of the moving block 14.
The utility model discloses in, the device's working procedure as follows:
1. the position of the hydraulic rod can be changed through the arrangement of the movable shaft 2, the movable seat 3, the internal spring 4 and the elastic column 5, and then when the angle of the hydraulic rod is changed, the hydraulic rod with the changed angle is limited through the matching between the internal spring 4 and the elastic column 5;
2. through the arrangement of the clamping ring 7, the side ring 8, the rotating rod 9 and the outer clamping ring 10, after the hydraulic rod is rotated, the rotating rod 9 is rotated inwards, so that the rotating rod 9 rotates in the side ring 8, and the clamping ring 7 clamps the hydraulic rod;
3. through the setting of bottom plate 11, ejector pin 12, sill bar 13 and movable block 14, when changing the angle of hydraulic stem, ejector pin 12 rotates on sill bar 13, and one side of ejector pin 12 and sill bar 13 rotates on movable block 14 and bottom plate 11 respectively, can increase spacing steadiness.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a hydraulic support with safe limit structure, includes hydraulic stem body (1) and loose axle (2), its characterized in that: the bottom of the hydraulic rod body (1) is movably connected with a movable seat (3) through a movable shaft (2), the inner side wall of the hydraulic rod body (1) is movably connected with an elastic column (5) through an internal spring (4), one side of the elastic column (5) is movably connected with the movable seat (3), the surface of the movable seat (3) is connected with a mounting seat (6) in a sliding way, the surface of the hydraulic rod body (1) is movably connected with a clamping ring (7), one side of the clamping ring (7) is movably connected with a rotating rod (9) through a side ring (8), the surface of the rotating rod (9) is in threaded connection with an outer clamping ring (10), the lower surface of the outer clamping ring (10) is movably connected with a mandril (12) through a bottom plate (11), the bottom of the ejector rod (12) is inserted with a bottom rod (13), and one side of the bottom rod (13) is movably connected with the mounting seat (6) through a moving block (14).
2. The hydraulic support with the safety limiting structure as claimed in claim 1, wherein: the two ends of the movable shaft (2) penetrate through the bottom of the hydraulic rod body (1) and are movably connected with the movable seat (3), and clamping grooves are formed in the two sides of the movable seat (3).
3. The hydraulic support with the safety limiting structure as claimed in claim 1, wherein: one side of the inner spring (4) is fixedly connected with the inner side wall of the hydraulic rod body (1), and the other side of the inner spring (4) is fixedly connected with the elastic column (5).
4. The hydraulic support with the safety limiting structure as claimed in claim 1, wherein: the quantity of clamp ring (7) is two, two the equal fixedly connected with in one side of clamp ring (7) side ring (8), the inside swing joint of side ring (8) has dwang (9).
5. The hydraulic support with the safety limiting structure as claimed in claim 1, wherein: the number of the outer clamping rings (10) is two, and connecting bolts are installed on two sides of each outer clamping ring (10).
6. The hydraulic support with the safety limiting structure as claimed in claim 1, wherein: the surface of the moving block (14) is movably connected with the mounting base (6) through a limiting bolt, and the inner side wall of the moving block (14) is movably connected with the bottom rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021889320.4U CN213039296U (en) | 2020-09-02 | 2020-09-02 | Hydraulic support with safety limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021889320.4U CN213039296U (en) | 2020-09-02 | 2020-09-02 | Hydraulic support with safety limiting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039296U true CN213039296U (en) | 2021-04-23 |
Family
ID=75533529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021889320.4U Active CN213039296U (en) | 2020-09-02 | 2020-09-02 | Hydraulic support with safety limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039296U (en) |
-
2020
- 2020-09-02 CN CN202021889320.4U patent/CN213039296U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211424565U (en) | Air purifier convenient to remove | |
| CN213039296U (en) | Hydraulic support with safety limiting structure | |
| CN211175655U (en) | Support frame of using new forms of energy's diversified irrigation usefulness | |
| CN207004556U (en) | A kind of hydraulic support push unit for physical simulation experiment | |
| CN110173538A (en) | A kind of shock-damping structure of energy saving and environment friendly oil exploitation drilling platforms | |
| CN210153416U (en) | Hydraulic jack for construction of large-diameter overhead pipeline in river channel | |
| CN210530900U (en) | Hydraulic support supporting equipment for coal mining | |
| CN203962555U (en) | A kind of hydraulic pressure creep machine | |
| CN210710645U (en) | Auxiliary turning device for top beam of hydraulic support | |
| CN203210054U (en) | Excavator dynamic arm machining device | |
| CN113357260A (en) | Novel million-level nuclear power tilting pad bearing | |
| CN215715103U (en) | High-stability hinge dam | |
| CN217582183U (en) | Mining single hydraulic prop stabilizing device | |
| CN216742606U (en) | Gas turbine's spacing base device that shocks resistance | |
| CN217783541U (en) | A prevent collapsing device for monomer pillar | |
| CN216590298U (en) | Anti-seismic device of oil pipeline | |
| CN211516758U (en) | Steel construction plate body boring grab | |
| CN215217645U (en) | Fixing device for environment monitoring equipment | |
| CN204850519U (en) | Building isolation bearing change with split type jacking device | |
| CN213144499U (en) | Bolt connection type support frame with annular structure | |
| CN213512696U (en) | Damping device for hydroelectric engineering | |
| CN216006943U (en) | Tubular pile gripper of static pressure pile machine | |
| CN210530886U (en) | Mining support prevents tilting prevention device | |
| CN210568778U (en) | Heating tank with electromagnetic heating furnace structure | |
| CN212641142U (en) | Detection device for highway construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |