CN208184758U - With crossing liquid deep hole and into the column outer cylinder of return hydraulic control valve seat - Google Patents
With crossing liquid deep hole and into the column outer cylinder of return hydraulic control valve seat Download PDFInfo
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- CN208184758U CN208184758U CN201820605813.7U CN201820605813U CN208184758U CN 208184758 U CN208184758 U CN 208184758U CN 201820605813 U CN201820605813 U CN 201820605813U CN 208184758 U CN208184758 U CN 208184758U
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- outer cylinder
- valve seat
- hole
- plug welding
- resorption
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Abstract
Cross liquid deep hole the utility model discloses a kind of band and into the column outer cylinder of return hydraulic control valve seat, including be arranged in outer cylinder top into return hydraulic control valve seat, opens up honeycomb duct along axial direction in outer cylinder side wall, honeycomb duct lower end is connected with outer cylinder cavity of resorption；It include steel plate valve seat into return hydraulic control valve seat, the periphery that steel plate valve seat is contacted with outer cylinder is fixedly connected by fillet welding with outer cylinder；Epicoele is offered on steel plate valve seat into liquid plug welding hole and cavity of resorption is returned into liquid plug welding hole is returned, welding has plug welding layer to epicoele respectively into returning in liquid plug welding hole into liquid plug welding hole and cavity of resorption is returned；Epicoele offers the epicoele that communicates with outer cylinder epicoele into hole for back flow into the plug welding layer center returned in liquid plug welding hole；Cavity of resorption offers the cavity of resorption that communicates with the honeycomb duct into hole for back flow into the plug welding layer center returned in liquid plug welding hole.The utility model advantage is that single part control valve seat is connected with outer cylinder to be seperated, reduces outer cylinder integral processing process.
Description
Technical field
The utility model relates to hydraulic support for low coal seam telescopic column outer cylinder, liquid deep hole is crossed more particularly, to band and into returning
The column outer cylinder of hydraulic control valve seat.
Background technique
With the development of China's coal-mine fully mechanized mining technology, hydraulic support for low coal seam also starts to be commonly used for adopting for downhole coal mine
Pick.Due to the limitation of Mining Face in Thin Coal Seam, so that hydraulic support for low coal seam supporting height is relatively low, hydraulic support space is limited,
And on traditional telescopic column outer cylinder for the valve seat thickness of installing column into return hydraulic control valve it is bigger (since it is desired that
Weld fluid-through tube), and the upper and lower chamber of telescopic column is arranged in the upper and lower surfaces of outer cylinder into return hydraulic control valve seat fission, and this is again
The space of hydraulic support is further occupied, hydraulic support for low coal seam design requirement is no longer satisfied.
Chinese patent application publication No. CN106002093 A discloses a kind of " manufacturer of the cylinder barrel with control valve seat
Method ", what control valve seat was taken is that built-up welding mode is welded on column outer cylinder, i.e., forms control valve seat by built-up welding, then exist
It is processed on the control valve seat into, hole for back flow；Since bead-welding technology production procedure is too long, welding capacity after control valve seat built-up welding molding
It is excessive, directly affect the whole production efficiency of telescopic column.
Summary of the invention
The utility model aim is to provide a kind of band and crosses liquid deep hole and the column outer cylinder into return hydraulic control valve seat, realizes
Save hydraulic support for low coal seam space.
To achieve the above object, the utility model takes following technical proposals:
Band described in the utility model crosses liquid deep hole and the column outer cylinder into return hydraulic control valve seat, including outer cylinder, setting
On the outer cylinder top into return hydraulic control valve seat, outer cylinder side wall is interior to open up honeycomb duct, the honeycomb duct lower end along axial direction
It is connected with outer cylinder cavity of resorption；It is described into return hydraulic control valve seat include steel plate valve seat, what the steel plate valve seat was contacted with outer cylinder
Periphery is fixedly connected by fillet welding with outer cylinder；Epicoele is offered on steel plate valve seat into returning liquid plug welding hole and cavity of resorption into returning liquid plug welding
Hole, into liquid plug welding hole and cavity of resorption is returned, into returning in liquid plug welding hole, welding has plug welding layer to the epicoele respectively；Epicoele into return liquid plug welding hole
Interior plug welding layer center offers the epicoele that communicates with outer cylinder epicoele into hole for back flow；Cavity of resorption into return liquid plug welding hole in
Plug welding layer center offer the cavity of resorption that communicates with the honeycomb duct into hole for back flow；The upper and lower chamber is into hole for back flow
Diameter be respectively smaller than corresponding upper and lower chamber into return liquid plug welding bore dia.
The plate face that the steel plate valve seat is contacted with outer cylinder is cambered surface identical with the outer cylinder surface radian.
For cavity of resorption into liquid plug welding hole is returned, each cavity of resorption is equal in liquid plug welding hole into returning there are two opening up on the steel plate valve seat
Welding has a plug welding layer, and each plug welding layer center offers the cavity of resorption that communicates with the honeycomb duct into hole for back flow respectively.
The utility model advantage is to set separate structure for single part control valve seat and outer cylinder, so that control valve
The processing of seat and the process of outer cylinder carry out parallel, reduce outer cylinder integral processing process, and control valve seat knot
Design has plug welding hole on structure, not only greatly reduces the welding workload for taking built-up welding to form control valve seat, but also due to plug welding
Seam plays the role of sealing isolation, and the liquid prevented between porous on control valve seat circulates mutually.Meanwhile control valve seat structure
Upper design curved surface and outer cylinder surfaces mate, mating surface periphery fillet welding connection, further improve control valve seat in outer shell
Stable connection on cylinder.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the portion the I enlarged structure schematic diagram of Fig. 1.
Fig. 3 is the structural schematic diagram of steel plate valve seat described in the utility model.
Fig. 4 is the top view of Fig. 3.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiments of the present invention, the present embodiment is with the utility model technology
Implemented under premised on scheme, the detailed implementation method and specific operation process are given, but the protection of the utility model
Range is not limited to following embodiments.
As shown in Figs 1-4, band described in the utility model crosses liquid deep hole and the column outer cylinder into return hydraulic control valve seat, including
Outer cylinder 1 is provided in the axial direction with the honeycomb duct 2 being connected with outer cylinder cavity of resorption 3 in 1 side wall of outer cylinder；It is set on outer cylinder top
It is equipped with into return hydraulic control valve seat, includes steel plate valve seat 4 into return hydraulic control valve seat, the plate face that steel plate valve seat 4 is contacted with outer cylinder 1 is
Cambered surface 5 identical with 1 surface radian of outer cylinder.Epicoele is offered on steel plate valve seat 4 into returning liquid plug welding hole 6 and cavity of resorption into returning liquid plug
Welding hole 7, the periphery that steel plate valve seat 4 is contacted with outer cylinder 1 are fixedly connected by fillet welding 8 with outer cylinder 1.Epicoele into return liquid plug welding hole
6 and cavity of resorption into return liquid plug welding hole 7 in respectively welding have plug welding layer 9.1,9.2；Epicoele into return liquid plug welding hole 6 in plug welding layer 9.1
Center offers the epicoele that communicates with outer cylinder epicoele into hole for back flow 6.1；Cavity of resorption into return liquid plug welding hole 7 in plug welding layer
9.2 centers offer the cavity of resorption that communicates with honeycomb duct 2 into hole for back flow 7.2；Diameter of the upper and lower chamber into hole for back flow 6.1,7.1
Corresponding upper and lower chamber is respectively smaller than into time liquid plug welding hole 6,7 diameters.
In order to improve hydraulic support telescopic column outer cylinder cavity of resorption 3 into flow quantity is returned, can and arrange on steel plate valve seat 4
If two cavity of resorptions into returning liquid plug welding hole 7 or multiple, steel plate valve seat 4 and outer cylinder 1 make one of cavity of resorption into returning liquid plug when welding
The center of welding hole 7 is intersected with the center line of honeycomb duct 2, and other cavity of resorptions are into time liquid plug welding hole by being provided with 1 casing wall of outer cylinder
Interior flow-guiding channel is connected.
The manufacturing method of the utility model is as follows:
The first step, the weld size that outer cylinder 1 to design is made according to design drawing, along axial direction in 1 side wall of outer cylinder
Honeycomb duct 2 is opened up, 2 lower end of honeycomb duct is connected with outer cylinder cavity of resorption 3；
Second step makes steel plate valve seat 4 according to design drawing, and steel plate valve seat 4 uses Q460 steel plate cutting, then by steel plate
The plate face being in contact with outer cylinder 1 is processed into cambered surface 5 identical with outer cylinder surface radian, and interval opens up on the steel plate later
Chamber is into time liquid plug welding hole 6 and cavity of resorption into liquid plug welding hole 7 is returned, to complete the production of steel plate valve seat 4；
The cambered surface 5 of steel plate valve seat 4 is attached to position shown in the top drawing of outer cylinder 1,4 width of steel plate valve seat by third step
Sized central line is symmetrical, the honeycomb duct deep hole being drilled on 1 casing wall of outer cylinder, makes cavity of resorption into the center and water conservancy diversion for returning liquid plug welding hole 7
The center line in road 2 intersects, and then applies fillet welding 8 along the periphery that steel plate valve seat 4 is contacted with outer cylinder 1 and fixes, later respectively upper
For chamber into liquid plug welding hole 6 and cavity of resorption is returned into welding in time liquid plug welding hole 7, plug welding layer 9.1,9.2 fills up epicoele into time liquid plug welding respectively
Hole 6 and cavity of resorption process entire 4 surface of steel plate valve seat into liquid plug welding hole 7 is returned, and make epicoele into returning liquid plug welding hole 6 and cavity of resorption into returning liquid
Plug welding layer 9.1,9.2 surfaces in plug welding hole 7 are flushed with 4 surface of steel plate valve seat；
4th step is communicated into time 9.2 center position of liquid plug welding layer brill cavity of resorption into hole for back flow 7.1 with honeycomb duct 2 in cavity of resorption,
Cavity of resorption is less than cavity of resorption into the diameter for returning liquid plug welding hole 7 into the aperture of hole for back flow 7.1；Epicoele into return 6 center of liquid plug welding hole
Place bores epicoele and communicates into hole for back flow 6.1 with 1 epicoele of outer cylinder, and epicoele is less than epicoele into time liquid plug welding into the aperture of hole for back flow 6.1
The diameter in hole 6；
5th step is processed on 4 surface of steel plate valve seat for connecting the threaded securing bores 10 into return hydraulic control valve.
Epicoele is 30mm into liquid plug welding hole 6 and cavity of resorption is returned into the diameter for returning liquid plug welding hole 7, and epicoele is into 6.1 He of hole for back flow
The diameter of cavity of resorption into hole for back flow 7.1 is 10mm, since plug weld plays sealing insulating effect, has prevented epicoele into hole for back flow
6.1 and cavity of resorption circulate mutually into the liquid between hole for back flow 7.1.
Claims (3)
1. a kind of band crosses liquid deep hole and the column outer cylinder into return hydraulic control valve seat, including outer cylinder, it is arranged in the outer cylinder
Top into return hydraulic control valve seat, opens up honeycomb duct, the honeycomb duct lower end and outer cylinder cavity of resorption along axial direction in outer cylinder side wall
It is connected；It is characterized by: it is described into return hydraulic control valve seat include steel plate valve seat, the week that the steel plate valve seat is contacted with outer cylinder
Side is fixedly connected by fillet welding with outer cylinder；Epicoele is offered on steel plate valve seat into returning liquid plug welding hole and cavity of resorption into returning liquid plug welding
Hole, into liquid plug welding hole and cavity of resorption is returned, into returning in liquid plug welding hole, welding has plug welding layer to the epicoele respectively；Epicoele into return liquid plug welding hole
Interior plug welding layer center offers the epicoele that communicates with outer cylinder epicoele into hole for back flow；Cavity of resorption into return liquid plug welding hole in
Plug welding layer center offer the cavity of resorption that communicates with the honeycomb duct into hole for back flow；The upper and lower chamber is into hole for back flow
Diameter be respectively smaller than corresponding upper and lower chamber into return liquid plug welding bore dia.
2. according to claim 1 with crossing liquid deep hole and into the column outer cylinder of return hydraulic control valve seat, it is characterised in that: described
The plate face that steel plate valve seat is contacted with outer cylinder is cambered surface identical with the outer cylinder surface radian.
3. band according to claim 1 or claim 2 crosses liquid deep hole and the column outer cylinder into return hydraulic control valve seat, it is characterised in that:
Cavity of resorption has plug into welding in liquid plug welding hole is returned into liquid plug welding hole, each cavity of resorption is returned there are two opening up on the steel plate valve seat
Layer, each plug welding layer center offer the cavity of resorption that communicates with the honeycomb duct into hole for back flow respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605813.7U CN208184758U (en) | 2018-04-26 | 2018-04-26 | With crossing liquid deep hole and into the column outer cylinder of return hydraulic control valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605813.7U CN208184758U (en) | 2018-04-26 | 2018-04-26 | With crossing liquid deep hole and into the column outer cylinder of return hydraulic control valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184758U true CN208184758U (en) | 2018-12-04 |
Family
ID=64434845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820605813.7U Active CN208184758U (en) | 2018-04-26 | 2018-04-26 | With crossing liquid deep hole and into the column outer cylinder of return hydraulic control valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208184758U (en) |
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2018
- 2018-04-26 CN CN201820605813.7U patent/CN208184758U/en active Active
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