CN206205912U - A kind of live post of hydraulic support column - Google Patents
A kind of live post of hydraulic support column Download PDFInfo
- Publication number
- CN206205912U CN206205912U CN201621267194.2U CN201621267194U CN206205912U CN 206205912 U CN206205912 U CN 206205912U CN 201621267194 U CN201621267194 U CN 201621267194U CN 206205912 U CN206205912 U CN 206205912U
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- liquid
- hole
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- tube
- fluid
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- 239000007788 liquid Substances 0.000 abstract description 28
- 230000008014 freezing Effects 0.000 abstract description 6
- 238000007710 freezing Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
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Abstract
The utility model provides a kind of live post of hydraulic support column, including piston head, column jecket, column cap, the first liquid-through hole and the second liquid-through hole, the two ends of column jecket are tightly connected to form cavity with piston head and column cap respectively, first liquid-through hole is arranged on the tube wall of column jecket, second liquid-through hole is arranged on column cap, and the duct that two ends are connected with cavity and the second liquid-through hole respectively is additionally provided with column cap；Fluid-through tube is provided with cavity, the first end of fluid-through tube is connected with first liquid-through hole, and the second end is connected by duct with the second liquid-through hole.The live post of hydraulic support column of the present utility model, changes existing design structure, and the big volume of cavity is changed into the small volume of fluid-through tube, and the amount of liquid storage in live post cavity is reduced to greatest extent, upper freezing up cylinder occurs when preventing winter from storing and then triggers security incident.
Description
Technical field
The utility model belongs to hydraulic support field, particularly a kind of live post of hydraulic support column.
Background technology
Hydraulic support is one of conventional equipment of coal mining operation, and the live post of hydraulic support column of the prior art exists
Generally designed using hollow column jecket in design process, one of which live post structure is specific as shown in figure 1, including piston head 1, column jecket
2nd, column cap 3, the first liquid-through hole 4 and the second liquid-through hole 5, the two ends of the column jecket 2 seal with the piston head 1 and column cap 3 respectively
Connection forms cavity 9, and first liquid-through hole 4 is arranged on the tube wall of the column jecket 2, and second liquid-through hole 5 is arranged at institute
State on column cap 3, the duct that two ends are connected with the cavity 9 and second liquid-through hole 5 respectively is additionally provided with the column cap 3
8.Because it has cavity 9, after only filling liquid in the cavity 9 of column jecket 2 during use, enter from the first liquid-through hole 4
Liquid in cavity 9 can just flow out from the second liquid-through hole 5, and then form the circulation of liquid.This results in the cavity 9 of column jecket 2
Inside there is substantial amounts of liquid cannot all discharge, and cause substantial amounts of liquid holdup, so that live post is in the winter time in storing process
Its internal liquid easily goes up freezing up cylinder, the risk that there is explosion.For such case, in the prior art generally using to column jecket cavity
Interior filling anti-icing fluid replaces emulsion to be prevented from freezing, but this processing mode not only operating process trouble, workload are big, and
Cost can also be increased, unnecessary waste and environmental pollution is caused.
Utility model content
The purpose of this utility model is to provide a kind of live post of hydraulic support column, for reducing the storage in live post cavity
Liquid measure.
The technical solution of the utility model is as follows：
A kind of live post of hydraulic support column, including piston head, column jecket, column cap, the first liquid-through hole and the second liquid-through hole, institute
The two ends for stating column jecket are tightly connected to form cavity with the piston head and column cap respectively, and first liquid-through hole is arranged at the post
On the tube wall of pipe, second liquid-through hole is arranged on the column cap, be additionally provided with the column cap two ends respectively with the sky
The duct that chamber is connected with second liquid-through hole；Fluid-through tube, the first end of the fluid-through tube and institute are provided with the cavity
State the first liquid-through hole to be connected, the second end is connected by the duct with second liquid-through hole.
Preferably, the live post also includes Circular Plate, and the Circular Plate is closely sheathed on the second end of the fluid-through tube,
And edge is tightly fastened on the inwall of the column jecket.
Preferably, annular boss is additionally provided with the inwall of the column jecket, the Circular Plate is tightly fastened in annular boss
On.
Preferably, the Circular Plate is provided with groove at the plate face center near the duct.
Preferably, second liquid-through hole has two, and two second liquid-through holes are at the column cap Shang Cheng centers pair
Claim to set.
Preferably, the fluid-through tube is curved fluid-through tube.
Preferably, the fluid-through tube is 15CrMo pipes.
Preferably, the Circular Plate is 30CrMo plates.
The beneficial effects of the utility model are：
The live post of hydraulic support column of the present utility model, it is possible to decrease the amount of liquid storage in live post cavity, arranges as much as possible
Go out liquid, upper freezing up cylinder occurs when preventing winter from storing and then triggers security incident.
Brief description of the drawings
Fig. 1 is the structural representation of the live post of hydraulic support column in the prior art；
Fig. 2 is the live post structural representation in one embodiment of hydraulic support column in the utility model.
Specific embodiment
The technical solution of the utility model and its effect are described further below by way of specific embodiment.Following reality
The mode of applying is merely to illustrate content of the present utility model, is not limited to protection domain of the present utility model.Using this practicality
The simple change that new design is carried out to the utility model is all in the scope that the utility model is claimed.
As shown in Fig. 2 the live post of hydraulic support column of the present utility model, including piston head 1, column jecket 2, column cap 3, first
The liquid-through hole 5 of liquid-through hole 4 and second, the two ends of the column jecket 2 are tightly connected and to form cavity with the piston head 1 and column cap 3 respectively
9, first liquid-through hole 4 is arranged on the tube wall of the column jecket 2, and second liquid-through hole 5 is arranged on the column cap 3, institute
State in column cap 3 and be additionally provided with the duct 8 that two ends are connected with the cavity 9 and second liquid-through hole 5 respectively；The cavity 9
Fluid-through tube 6 is inside provided with, preferably curved fluid-through tube, the first end of the fluid-through tube 6 is connected with first liquid-through hole 4,
Second end is connected by the duct 8 with second liquid-through hole 5.
The fluid-through tube 6 can be the bend pipe of material commonly used in the art, preferably 15CrMo pipes.The Circular Plate 7 can be
The plate of material commonly used in the art, preferably 30CrMo plates.
The first end of the fluid-through tube 6 can be connected and be reached with first liquid-through hole 4 by mode commonly used in the art
To seamless connection, and leakage is prevented, such as welded, specifically, the outside of first liquid-through hole 4 can be opened up groove, slope
The gradient of mouth is preferably 45 °, and then the first end of fluid-through tube 6 is from inside to outside passed to groove along first liquid-through hole 4,
And weld together both at groove, realize the connection of the two.
The live post of hydraulic support column of the present utility model, by the fluid-through tube 6 that is arranged in cavity 9 by the first liquid-through hole
4 directly connect with the second liquid-through hole 5 so that cavity 9 is closed cavity, and then need not be capable of achieving to liquid is filled in cavity 9
Liquid communication, its liquid storage amount is only the liquid in fluid-through tube 6, it is to avoid stored in the winter time because being detained big quantity of fluid in cavity 9
When there is the phenomenon of upper freezing up cylinder, further avoid the risk of live post explosion；Simultaneously if necessary with anti-icing fluid to therein
When emulsion enters line replacement, replacement amount increases ground and reduces, and not only significantly reduces the workload of displacement, also greatly reduces
Waste of material and cost, and the harm of anti-icing fluid and emulsion to environment, simplify operating procedure.
In one embodiment, the live post also includes Circular Plate 7, and the Circular Plate 7 is closely sheathed on the logical liquid
On second end of pipe 6, and edge is tightly fastened on the inwall of the column jecket 2.Closely being arranged and be tightly fastened can be by welding
Realize.
After the Circular Plate 7 is sheathed on the second end of the fluid-through tube 6, it can further be fixed, with
The seamless connection of the two is realized, and prevents leakage, such as welded the two joint.
The setting of Circular Plate 7 not only serves fixation to fluid-through tube 6, avoids fluid-through tube 6 with the inconvenience of duct 8 directly
The fixed or undesirable problem of fixed effect, also plays to the fluid passage being made up of fluid-through tube 6, the liquid-through hole 5 of duct 8 and second
Sealing function, and then prevent the liquid in fluid passage from being leaked in interface and flowed into cavity 9, so as to further ensure
The normal circulation of liquid in the fluid passage.
In one embodiment, annular boss 10 is additionally provided with the inwall of the column jecket 2, the Circular Plate 7 is tight
It is fixed on annular boss 10, the annular boss 10 is used to prevent the Circular Plate 7 along the inwall of the column jecket 2 to the work
Chock plug 1 is moved, and plays sealing function together with Circular Plate 7, to avoid causing annulus by the motion during liquid communication
Accumulating liquid in space between plate 7 and column cap 3, and further avoid liquid leakage.
In one embodiment, the Circular Plate 7 is provided with groove 11 at the plate face center near the duct 8, with right
Cushioning effect is played from fluid-through tube 6 into duct 8 or from duct 8 into the liquid of fluid-through tube 6 so that higher in flow rate of liquid
When (when flow rate of liquid is higher, vortex and stronger percussion can be produced when another pipeline is entered from pipeline), no
Overall structure can be damaged, while also ensureing the normal circulation of liquid.
The interface of second liquid-through hole 5 is provided with helicitic texture, in order to be connected to be input into or export with pipeline
Liquid.
In one embodiment, second liquid-through hole 5 has two, and preferably two second liquid-through holes 5 are described
Be centrosymmetric setting on column cap 3, during with a thread damage for the second liquid-through hole 5 wherein, replaces at another in time
On second liquid-through hole 5, standby effect is played.
In one embodiment, the Circular Plate 7 is provided with groove in the central hole towards the side of the column cap 3,
The gradient of groove is preferably 45 °.The welding of Circular Plate 7 and fluid-through tube 6 is welded at groove, to increase weld strength and closed
Property.
In one embodiment, the Circular Plate 7 is being provided with groove, slope towards the cylindrical place of the side of the column cap 3
The gradient of mouth is preferably 45 °, to increase weld strength and seal.
In one embodiment, the internal diameter of the column jecket 2 is 234mm, and the outside diameter of the Circular Plate 7 is 244mm,
Thickness is 30mm, and center-hole diameter is 23mm.
In one embodiment, the Circular Plate 7 is provided with 1 ° of radial direction processing at central diameter 185mm positions
The gradient, to form the groove 11 of divided edge structure.
The live post of hydraulic support column of the present utility model, in the process of running, liquid can directly in the first liquid-through hole 4
And second directly circulate between liquid-through hole 5, without filling cavity 9, it is possible to decrease the amount of liquid storage in live post cavity, arrange as much as possible
Go out liquid, upper freezing up cylinder occurs when preventing winter from storing and then triggers security incident, while reducing the use of anti-icing fluid, reduce into
This, reduces environmental pollution, simplifies operation.
Claims (8)
1. a kind of live post of hydraulic support column, including piston head (1), column jecket (2), column cap (3), the first liquid-through hole (4) and
Two liquid-through holes (5), the two ends of the column jecket (2) are tightly connected to form cavity (9) with the piston head (1) and column cap (3) respectively,
First liquid-through hole (4) is arranged on the tube wall of the column jecket (2), and second liquid-through hole (5) is arranged at the column cap (3)
On, it is additionally provided with the duct that two ends are connected with the cavity (9) and second liquid-through hole (5) respectively in the column cap (3)
(8)；
Fluid-through tube (6) is provided with the cavity (9), the first end of the fluid-through tube (6) is connected with first liquid-through hole (4)
Logical, the second end is connected by the duct (8) with second liquid-through hole (5).
2. live post according to claim 1, it is characterised in that the live post also includes Circular Plate (7), the Circular Plate
(7) closely it is sheathed on the second end of the fluid-through tube (6), and edge is tightly fastened on the inwall of the column jecket (2).
3. live post according to claim 2, it is characterised in that be additionally provided with annular boss on the inwall of the column jecket (2)
(10), the Circular Plate (7) is tightly fastened on annular boss (10).
4. the live post according to Claims 2 or 3, it is characterised in that the Circular Plate (7) is near the duct (8)
Plate face center is provided with groove (11).
5. live post according to claim 3, it is characterised in that second liquid-through hole (5) has two, and two described
Two liquid-through holes (5) are centrosymmetric setting on the column cap (3).
6. live post according to claim 5, it is characterised in that the fluid-through tube (6) is curved fluid-through tube.
7. the live post according to claim any one of 1-3 or 5-6, it is characterised in that the fluid-through tube (6) is 15CrMo
Pipe.
8. the live post according to any one of claim 2,3,5 or 6, it is characterised in that the Circular Plate (7) is 30CrMo
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267194.2U CN206205912U (en) | 2016-11-22 | 2016-11-22 | A kind of live post of hydraulic support column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267194.2U CN206205912U (en) | 2016-11-22 | 2016-11-22 | A kind of live post of hydraulic support column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206205912U true CN206205912U (en) | 2017-05-31 |
Family
ID=58747338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621267194.2U Active CN206205912U (en) | 2016-11-22 | 2016-11-22 | A kind of live post of hydraulic support column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206205912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608063A (en) * | 2019-10-30 | 2019-12-24 | 神华神东煤炭集团有限责任公司 | Stand column for coal fully-mechanized mining face and support comprising stand column |
-
2016
- 2016-11-22 CN CN201621267194.2U patent/CN206205912U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608063A (en) * | 2019-10-30 | 2019-12-24 | 神华神东煤炭集团有限责任公司 | Stand column for coal fully-mechanized mining face and support comprising stand column |
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