CN210509233U - Shock-resistant upright post with high-elasticity detachable device - Google Patents
Shock-resistant upright post with high-elasticity detachable device Download PDFInfo
- Publication number
- CN210509233U CN210509233U CN201920810790.8U CN201920810790U CN210509233U CN 210509233 U CN210509233 U CN 210509233U CN 201920810790 U CN201920810790 U CN 201920810790U CN 210509233 U CN210509233 U CN 210509233U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- thin
- cavity
- middle cylinder
- sealing
- 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
- Vibration Dampers (AREA)
Abstract
The utility model relates to an anti-impact upright post with high elasticity and detachable device, which comprises an outer cylinder, a middle cylinder, a movable post, a first guide sleeve, a second guide sleeve, a closed sleeve, a thin-wall elastic sleeve, a sealing element, an external thread, a fixed stud, a middle cylinder lower cavity, an elastic cavity and a middle cylinder upper cavity; the sealing sleeve separates the liquid passing spaces of the upper cavity and the lower cavity of the middle cylinder independently and limits the thin-wall elastic sleeve; the outer wall of the thin-wall elastic sleeve is sealed by a sealing element to prevent emulsion from entering the elastic cavity. The utility model discloses rational in infrastructure, design benefit, simple structure adopts threaded connection, does not have the relative motion between the part, has saved guide structure, and low cost is stable safe, solves current stand and can not open smoothly when receiving impact load the relief valve, will arouse self whole supporting structure's loss or destruction even, technical problem such as incident takes place easily, to prior art, has fine market prospect and development space.
Description
Technical Field
The utility model relates to a mining hydraulic support technical field especially relates to stand shocks resistance with high elasticity detachable device.
Background
The hydraulic support is used as a common support device, has a wide application range, and particularly has a higher utilization rate of underground supporting and excavating surfaces than other equipment. The hydraulic support is one of important devices of a fully mechanized mining face, and the stability and reliability of the support of the hydraulic support are related to the safety, high yield and high efficiency of the whole working face. The most dangerous stress state of the hydraulic support is dynamic load, the hydraulic support has reasonable supporting strength and can bear the dynamic load when the top plate is pressed, and the impact load is far larger than the static load of a working surface to form pressure on the hydraulic support. The impact load can reach the upright column instantly, generally, the impact load is transmitted to the top beam and the base within about 10ms, and the impact load is transmitted to the whole structure of the bracket within about 20 ms.
The upright column is used as a main loading and bearing part, and the impact resistance of the upright column is not only related to the impact resistance of the upright column, but also related to the integral impact resistance of the hydraulic support. In order to ensure the safety and the supporting effect of the upright column and the support, the upright column is generally provided with a safety valve, the opening time of the safety valve is not more than 25ms, and the larger the flow and the opening pressure of the safety valve are, the larger the opening time is. If the safety valve fails to open smoothly when the column is subjected to an impact load, it can cause loss or damage to itself and even the entire support structure.
How to design a rational in infrastructure, design benefit, simple structure adopts threaded connection, does not have the relative motion between the part, has saved guide structure, and low cost is stable safe stand that shocks resistance who has high elasticity detachable device is the problem that needs to solve at present.
SUMMERY OF THE UTILITY MODEL
In order to solve present stand when receiving impact load the relief valve can not open smoothly, will arouse self whole supporting structure's loss or destruction even, technical problem such as incident takes place easily, the utility model provides a stand shocks resistance with high elasticity detachable device realizes rational in infrastructure, design benefit, and simple structure adopts threaded connection, does not have the relative motion between the part, has saved guide structure, low cost, the purpose of stable safety.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the shock-resistant upright post with the high-elasticity detachable device comprises an outer cylinder, a middle cylinder, a plunger, a first guide sleeve, a second guide sleeve, a closed sleeve, a thin-wall elastic sleeve, a sealing element, an external thread, a fixing stud, a middle cylinder lower cavity, an elastic cavity and a middle cylinder upper cavity, wherein the outer cylinder supports and protects the middle cylinder through the first guide sleeve, and the middle cylinder supports and protects the plunger through the second guide sleeve; the sealing sleeve is fixed at the bottom of the cylinder bottom surrounded by the plunger in a welding mode, the thin-wall elastic sleeve is located inside the sealing sleeve, the sealing sleeve separates liquid passing spaces of the upper cavity and the lower cavity of the middle cylinder independently, and meanwhile the thin-wall elastic sleeve is limited; the lower end of the thin-wall elastic sleeve is fixedly connected to the bottom of the plunger through external threads, the fixing stud is located at the bottom of the thin-wall elastic sleeve, and the outer wall of the thin-wall elastic sleeve is sealed through a sealing element to prevent emulsion from entering the elastic cavity.
The sealing element is a rubber sealing ring.
The fixing stud adopts an inner hexagonal stud.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model discloses an outer cylinder, well jar, pillar, first uide bushing, second uide bushing, closed sleeve, thin wall elastic sleeve, sealing member, external screw thread, fixed double-screw bolt, well jar lower chamber, elasticity chamber and well jar epicoele, the outer cylinder supports the protection through first uide bushing to the middle jar, and the middle jar supports the protection through the second uide bushing to the pillar, the utility model discloses simple structure adopts threaded connection, does not have the relative motion between the part, has saved guide structure, and the cost is very little, and is stable, safe;
2) the sealing sleeve is fixed at the bottom of the cylinder bottom surrounded by the plunger in a welding mode, the thin-wall elastic sleeve is located inside the sealing sleeve, the sealing sleeve separates liquid passing spaces of the upper cavity and the lower cavity of the middle cylinder independently, and meanwhile the thin-wall elastic sleeve is limited;
3) the lower end of the thin-wall elastic sleeve is fixedly connected to the bottom of the plunger through external threads, the fixing stud is located at the bottom of the thin-wall elastic sleeve, and the outer wall of the thin-wall elastic sleeve is sealed through a sealing element to prevent emulsion from entering the elastic cavity;
4) the sealing element adopts a rubber sealing ring, so that the cost is low and the installation is convenient;
5) the fixing stud adopts an inner hexagonal stud, is convenient to install and disassemble and has high practicability.
Drawings
FIG. 1 is a schematic view of the internal cross-sectional structure of the present invention;
the labels in the figure are: 1. the outer cylinder, 2, the middle cylinder, 3, the plunger, 4, the first guide sleeve, 5, the second guide sleeve, 6, the sealing sleeve, 7, the thin-wall elastic sleeve, 8, the sealing element, 9, the external thread, 10, the fixing stud, 11, the middle cylinder lower cavity, 12, the elastic cavity, 13 and the middle cylinder upper cavity.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in the figure, the anti-impact upright post with the high-elasticity detachable device comprises an outer cylinder 1, a middle cylinder 2, a plunger 3, a first guide sleeve 4, a second guide sleeve 5, a closed sleeve 6, a thin-wall elastic sleeve 7, a sealing element 8, external threads 9, a fixing stud 10, a middle cylinder lower cavity 11, an elastic cavity 12 and a middle cylinder upper cavity 13, wherein the outer cylinder 1 supports and protects the middle cylinder 2 through the first guide sleeve 4, and the middle cylinder 2 supports and protects the plunger 3 through the second guide sleeve 5; the sealing sleeve 6 is fixed at the bottom of the cylinder bottom enclosed by the plunger 3 through welding, the thin-wall elastic sleeve 7 is positioned inside the sealing sleeve 6, the sealing sleeve 6 is used for separately separating the liquid passing space of the upper cavity 13 of the middle cylinder and the lower cavity 11 of the middle cylinder, and meanwhile, the thin-wall elastic sleeve 7 is limited; the lower end of the thin-wall elastic sleeve 7 is fixedly connected to the bottom of the plunger 3 through an external thread 9, the fixing stud 10 is located at the bottom of the thin-wall elastic sleeve 7, and the outer wall of the thin-wall elastic sleeve 7 is sealed through a sealing element 8 to prevent emulsion from entering an elastic cavity 12.
The basic implementation manner of the present invention can be further improved, perfected and limited on the basis: the sealing element 8 is a rubber sealing ring.
The basic implementation manner of the present invention can be further improved, perfected and limited on the basis: the fixing stud 10 as described is a female hexagonal stud.
In practical application, the sealing sleeve 6 is welded on the cylinder bottom of the plunger 3, the upper cylinder cavity 13 and the lower cylinder cavity 11 in the upright are separated by a liquid communication space, and meanwhile, the thin-wall elastic sleeve 7 is prevented from excessively expanding, so that the limiting and protecting effects are achieved. The thin-wall elastic sleeve 7 is connected and installed on the plunger 3 through the external thread 9, an inner hexagonal stud is designed at the bottom of the thin-wall elastic sleeve, the thin-wall elastic sleeve is convenient to detach and replace, and a rubber sealing ring is designed in the middle of the thin-wall elastic sleeve to prevent emulsion from entering the elastic cavity 12. When the stand column is impacted, the thin-wall elastic sleeve 7 can rapidly expand to play a role in buffering, so that the safety of the stand column structure is protected, and the support is further prevented from being damaged by the impact.
The thin-wall elastic sleeve 7 can also play a role in isolating the upper cavity and the lower cavity of the cylinder 2 in the upright post, namely if the sealing sleeve 6 has a liquid leakage condition, the normal work of the upright post is not influenced.
The utility model discloses rational in infrastructure, design benefit, simple structure adopts threaded connection, does not have the relative motion between the part, has saved guide structure, and low cost is stable safe, solves current stand and can not open smoothly when receiving impact load the relief valve, will arouse self whole supporting structure's loss or destruction even, technical problem such as incident takes place easily, to prior art, has fine market prospect and development space.
The preferred embodiments and examples of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments and examples, and various changes can be made without departing from the concept of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. Stand shocks resistance with high elasticity detachable device, its characterized in that: the movable type oil cylinder comprises an outer cylinder (1), a middle cylinder (2), a movable column (3), a first guide sleeve (4), a second guide sleeve (5), a sealing sleeve (6), a thin-wall elastic sleeve (7), a sealing piece (8), external threads (9), a fixing stud (10), a middle cylinder lower cavity (11), an elastic cavity (12) and a middle cylinder upper cavity (13), wherein the outer cylinder (1) supports and protects the movable column (3) through the first guide sleeve (4), and the middle cylinder (2) supports and protects the movable column (3) through the second guide sleeve (5); the sealing sleeve (6) is fixed at the bottom of a cylinder bottom enclosed by the plunger (3) through welding, the thin-wall elastic sleeve (7) is positioned inside the sealing sleeve (6), the sealing sleeve (6) is used for separately separating liquid passing spaces of the upper middle cylinder cavity (13) and the lower middle cylinder cavity (11), and meanwhile, the thin-wall elastic sleeve (7) is limited; the lower end of the thin-wall elastic sleeve (7) is fixedly connected to the bottom of the plunger (3) through an external thread (9), the fixing stud (10) is located at the bottom of the thin-wall elastic sleeve (7), and the outer wall of the thin-wall elastic sleeve (7) is sealed through a sealing element (8) so as to prevent emulsion from entering the elastic cavity (12).
2. An impact resistant stud with highly elastic removable means as claimed in claim 1, wherein: the sealing element (8) is a rubber sealing ring.
3. An impact resistant stud with highly elastic removable means as claimed in claim 1, wherein: the fixing stud (10) is an inner hexagonal stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920810790.8U CN210509233U (en) | 2019-05-31 | 2019-05-31 | Shock-resistant upright post with high-elasticity detachable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920810790.8U CN210509233U (en) | 2019-05-31 | 2019-05-31 | Shock-resistant upright post with high-elasticity detachable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509233U true CN210509233U (en) | 2020-05-12 |
Family
ID=70577187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920810790.8U Active CN210509233U (en) | 2019-05-31 | 2019-05-31 | Shock-resistant upright post with high-elasticity detachable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219682A (en) * | 2019-05-31 | 2019-09-10 | 平顶山平煤机煤矿机械装备有限公司 | Anti-impacting upright column with high resiliency detachable apparatus |
-
2019
- 2019-05-31 CN CN201920810790.8U patent/CN210509233U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219682A (en) * | 2019-05-31 | 2019-09-10 | 平顶山平煤机煤矿机械装备有限公司 | Anti-impacting upright column with high resiliency detachable apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210509233U (en) | Shock-resistant upright post with high-elasticity detachable device | |
| CN105401965A (en) | High-flow safety valve | |
| CN103953370A (en) | Nitrogen safety valve used by coalmine fully-mechanized mining hydraulic bracket | |
| CN104533879A (en) | Pressure stabilization compensation device and energy accumulator detection system with same | |
| CN202900128U (en) | Oil pumping polish rod deviation adjusting packing box | |
| CN105672929B (en) | A kind of blowout preventer | |
| CN202228588U (en) | Bi-directional limiting elastic daub damper | |
| CN204458643U (en) | The accumulator detection system of stabilizing compensation device and application thereof | |
| CN202611689U (en) | Self-sealing quick pressure monitoring device | |
| CN202144811U (en) | Self-locking type hydraulic oil cylinder | |
| CN202832357U (en) | Blowout preventer for rod breakage of screw pump well | |
| CN110219682A (en) | Anti-impacting upright column with high resiliency detachable apparatus | |
| CN205036773U (en) | Nuclear power station owner equipment support uses large -scale hydraulic damper | |
| CN102536958A (en) | Vertical roller mill buffering device | |
| CN216478065U (en) | Safe and stable's immersible pump damping device | |
| CN202468543U (en) | Buffer device for vertical roller mill | |
| CN203308490U (en) | High-flow balancing two-way lock | |
| CN213928998U (en) | Hydraulic oil cylinder capable of preventing piston rod from being broken | |
| CN201396173Y (en) | Safety valve with nominal flow of 500L/min | |
| CN201705290U (en) | Novel constant pressure relief valve | |
| CN214146709U (en) | High-pressure gas check valve | |
| CN202108525U (en) | Upright post quick release safety valve | |
| CN203335110U (en) | Compound seal safety valve with rated flow being 320L/min | |
| CN201763290U (en) | Wellhead polished rod sealer | |
| CN216665555U (en) | Double-acting hydraulic packer with closable circulation channel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |