CN208040418U - Hydraulic support, column and its explosion-proof valve - Google Patents
Hydraulic support, column and its explosion-proof valve Download PDFInfo
- Publication number
- CN208040418U CN208040418U CN201820284228.1U CN201820284228U CN208040418U CN 208040418 U CN208040418 U CN 208040418U CN 201820284228 U CN201820284228 U CN 201820284228U CN 208040418 U CN208040418 U CN 208040418U
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- hole
- pressure release
- valve body
- explosion
- compressing member
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Abstract
The utility model is related to a kind of hydraulic supports, column and its explosion-proof valve, hydraulic support includes rack body, column is connected on rack body, column includes the cylinder body for having pressure release passage, cylinder body is equipped with explosion-proof valve, explosion-proof valve includes valve body, valve body is equipped with the interior pressure release through-hole being connected to pressure release passage, compressing member is additionally provided on valve body, compressing member is equipped with the outer pressure release through-hole for being connected to interior pressure release through-hole, installation step is equipped on compressing member at the inner end aperture of the interior pressure release through-hole of direction of outer pressure release through-hole, what is be pre-positioned at installation step is equipped in separating, the rupture disk of outer pressure release through-hole, valve body is equipped with installation step corresponding matching with the pushing tow face for the rupture disk that is fixedly clamped.Explosion-proof valve closes or opens pressure release passage by the way that rupture disk is arranged, and rupture disk can rapidly be reacted when operating pressure moment steeply rises in column cylinder body, the column on effective protection hydraulic support.
Description
Technical field
The utility model is related to coal mine machinery fields, and in particular to a kind of hydraulic support, column and its explosion-proof valve.
Background technology
In coal mine machinery, explosion-proof valve is one of most important Hydraulic Elements of coal-mine hydraulic support, in hydraulic support control
In system processed, explosion-proof valve controls hydraulic support real work resistance and is no more than permissible value, to ensure the normal supporting of hydraulic support
Ability.The explosion-proof valve used in hydraulic support at present, pressure releasing mouth are mostly controlled by spring, when vertical on hydraulic support
When media operation pressure is more than predetermined value in column cylinder body, pressure medium flows to explosion-proof valve by the pressure release passage of column, and along anti-
The pressure release passage top pressure spring of quick-fried valve pushes spool to open the fluid outlet on explosion-proof valve to discharge working media, reaches pressure release
Purpose.
Authorization Notice No. is that the utility model patent of CN203670942U discloses a kind of hydraulic jack built-in relief valve,
Including valve body, the fuel feed hole for being located at the oil outlet of side in the middle part of valve body, being located at body base, pressure regulation bullet is set in body cavity
The upper end of spring, pressure spring contacts connection voltage regulation screw, and lower end contacts connection sealing steel ball.Oil in jack high-pressure channel
When pressing through high, sealing steel ball, which is extruded, up to be moved, and fuel feed hole is opened, and fluid enters in safe valve insertion, and is arranged from oil outlet
Go out, to protect jack not damaged because oil pressure is excessively high.But pressure spring is easy to happen card of spraining during compression
Cause to act the dumb and then pressure medium that can not release in time, especially under the action of operating pressure carries outside moment drastically on
When rising, under the action of spring own resilient, safety valve cannot open pressure medium of releasing in time, and there are security risks.
Utility model content
The purpose of this utility model is to provide a kind of explosion-proof valves, to solve the spring action in explosion-proof valve in the prior art
It is dumb cause explosion-proof valve cannot timely pressure release the technical issues of；The utility model also provides a kind of column using the explosion-proof valve
And hydraulic support.
To achieve the above object, the technical solution 1 that the utility model hydraulic support uses：A kind of hydraulic support, including branch
Frame ontology is connected with column on rack body, and column includes the cylinder body for having pressure release passage, and cylinder body is equipped with explosion-proof valve, explosion-proof
Valve includes valve body, and valve body is equipped with the interior pressure release through-hole being connected to the pressure release passage, compressing member is additionally provided on the valve body, presses
Tight part is equipped with the outer pressure release through-hole for be connected to interior pressure release through-hole, and the interior pressure release of direction on compressing member in outer pressure release through-hole is led to
Installation step is equipped at the inner end aperture in hole, what is be pre-positioned at installation step is equipped with for separating the quick-fried of inside and outside pressure release through-hole
Fragmentation, valve body are equipped with the installation step corresponding matching with the pushing tow face for the rupture disk that is fixedly clamped.
The utility model has the beneficial effects that：Explosion-proof valve on the hydraulic support of the utility model by being mounted in compressing member in advance
On rupture disk separate on inside and outside pressure release through-hole, rupture disk can be fast when operating pressure moment steeply rises in column cylinder body
Speed is reacted, and by installation step ensure rupture disk during assembly will not run-off the straight and peripheral sealing, it is interior,
The bore of releasing of outer pressure release through-hole is big, and pressure relief capability is strong, can effectively avoid the cylinder body of hydraulic support upper pillar stand because of in-cylinder pressure mistake
Height ruptures, and reduces security risk.
It is improved on the basis of scheme 1 and obtains scheme 2：The valve body is equipped with pre-small post-large stepped hole, stepped hole
Path section forms the interior pressure release through-hole, and the compressing member inserting is fixed in the major diameter section of stepped hole.Compressing member is inserted
It is fixed reliably to be compressed with guarantee rupture disk in valve body.
It is improved on the basis of scheme 2 and obtains scheme 3：The outer edge of the rupture disk protrudes from the front end of installation step
Face, the step surface on valve body at stepped hole form the pushing tow face.Directly pass through the step surface and installation step on valve body
Pushing tow coordinates, easy to process.
It is improved on the basis of scheme 1 and obtains scheme 4：Deviate from interior pressure release through-hole in outer pressure release through-hole on the compressing member
Outer end aperture at be equipped with for prevent foreign object along outer pressure release through-hole damage rupture disk moulding.Prevent explosion-proof valve pressure releasing
The foreign object damage rupture disk of side, influences the leakproofness of explosion-proof valve.
It is improved on the basis of any of scheme 2 to 4 and obtains scheme 5：The compressing member is that middle part is equipped with described leak
The hold-down bolt of through-hole is pressed, hold-down bolt includes that nut and the stud for being bolted in stepped hole major diameter section, stud are equipped with
The installation step, the radial dimension of nut are more than the radial dimension on valve body at major diameter section.It is convenient using being threadedly coupled
Damaged rupture disk is replaced, and is facilitated by nut and hold-down bolt is screwed into valve body.
It is improved on the basis of scheme 5 and obtains scheme 6：The stud is equipped with along its axially extending setting length to prevent
The external thread section that hold-down bolt loosens.Prevent hold-down bolt from loosening.
It is improved on the basis of any of scheme 1 to 4 and obtains scheme 7：Installation place on the cylinder body in explosion-proof valve is set
There are connector block, the valve body to be equipped with the mounting groove for inserting U-shaped pin, valve body is connect by U-shaped pin with connector block.Utilize U
Type pin realizes the fast assembling-disassembling of explosion-proof valve.
The technical solution 1 that the column of the utility model uses：A kind of column includes the cylinder body with pressure release passage, cylinder body
It is equipped with explosion-proof valve, explosion-proof valve includes valve body, and valve body is equipped with the interior pressure release through-hole being connected to the pressure release passage, the valve body
On be additionally provided with compressing member, compressing member is equipped with the outer pressure release through-hole for being connected to interior pressure release through-hole, in outer pressure release on compressing member
Installation step is equipped at the inner end aperture of the interior pressure release through-hole of direction of through-hole, what is be pre-positioned at installation step is equipped with for separating
The rupture disk of inside and outside pressure release through-hole, valve body are equipped with the installation step corresponding matching with the pushing tow for the rupture disk that is fixedly clamped
Face.
It is improved on the basis of scheme 1 and obtains scheme 2：The valve body is equipped with pre-small post-large stepped hole, stepped hole
Path section forms the interior pressure release through-hole, and the compressing member inserting is fixed in the major diameter section of stepped hole.Compressing member is inserted
It is fixed reliably to be compressed with guarantee rupture disk in valve body.
It is improved on the basis of scheme 2 and obtains scheme 3：The outer edge of the rupture disk protrudes from the front end of installation step
Face, the step surface on valve body at stepped hole form the pushing tow face.Directly pass through the step surface and installation step on valve body
Pushing tow coordinates, easy to process.
It is improved on the basis of scheme 1 and obtains scheme 4：Deviate from interior pressure release through-hole in outer pressure release through-hole on the compressing member
Outer end aperture at be equipped with for prevent foreign object along outer pressure release through-hole damage rupture disk moulding.Prevent explosion-proof valve pressure releasing
The foreign object damage rupture disk of side, influences the leakproofness of explosion-proof valve.
It is improved on the basis of any of scheme 2 to 4 and obtains scheme 5：The compressing member is that middle part is equipped with described leak
The hold-down bolt of through-hole is pressed, hold-down bolt includes that nut and the stud for being bolted in stepped hole major diameter section, stud are equipped with
The installation step, the radial dimension of nut are more than the radial dimension on valve body at major diameter section.It is convenient using being threadedly coupled
Damaged rupture disk is replaced, and is facilitated by nut and hold-down bolt is screwed into valve body.
It is improved on the basis of scheme 5 and obtains scheme 6：The stud is equipped with along its axially extending setting length to prevent
The external thread section that hold-down bolt loosens.Prevent hold-down bolt from loosening.
It is improved on the basis of any of scheme 1 to 4 and obtains scheme 7：Installation place on the cylinder body in explosion-proof valve is set
There are connector block, the valve body to be equipped with the mounting groove for inserting U-shaped pin, valve body is connect by U-shaped pin with connector block.Utilize U
Type pin realizes the fast assembling-disassembling of explosion-proof valve.
The technical solution 1 that the explosion-proof valve of the utility model uses：A kind of explosion-proof valve, including valve body, valve body are equipped with and are used for
The interior pressure release through-hole being connected to the pressure release passage on column, is additionally provided with compressing member on the valve body, compressing member be equipped with for
The outer pressure release through-hole of interior pressure release through-hole connection is set at the inner end aperture of the interior pressure release through-hole of direction of outer pressure release through-hole on compressing member
Have an installation step, the rupture disk being equipped with for separating inside and outside pressure release through-hole being pre-positioned at installation step, valve body be equipped with
The installation step corresponding matching is with the pushing tow face for the rupture disk that is fixedly clamped.
It is improved on the basis of scheme 1 and obtains scheme 2：The valve body is equipped with pre-small post-large stepped hole, stepped hole
Path section forms the interior pressure release through-hole, and the compressing member inserting is fixed in the major diameter section of stepped hole.Compressing member is inserted
It is fixed reliably to be compressed with guarantee rupture disk in valve body.
It is improved on the basis of scheme 2 and obtains scheme 3：The outer edge of the rupture disk protrudes from the front end of installation step
Face, the step surface on valve body at stepped hole form the pushing tow face.Directly pass through the step surface and installation step on valve body
Pushing tow coordinates, easy to process.
It is improved on the basis of scheme 1 and obtains scheme 4：Deviate from interior pressure release through-hole in outer pressure release through-hole on the compressing member
Outer end aperture at be equipped with for prevent foreign object along outer pressure release through-hole damage rupture disk moulding.Prevent explosion-proof valve pressure releasing
The foreign object damage rupture disk of side, influences the leakproofness of explosion-proof valve.
It is improved on the basis of any of scheme 2 to 4 and obtains scheme 5：The compressing member is that middle part is equipped with described leak
The hold-down bolt of through-hole is pressed, hold-down bolt includes that nut and the stud for being bolted in stepped hole major diameter section, stud are equipped with
The installation step, the radial dimension of nut are more than the radial dimension on valve body at major diameter section.It is convenient using being threadedly coupled
Damaged rupture disk is replaced, and is facilitated by nut and hold-down bolt is screwed into valve body.
It is improved on the basis of scheme 5 and obtains scheme 6：The stud is equipped with along its axially extending setting length to prevent
The external thread section that hold-down bolt loosens.Prevent hold-down bolt from loosening.
It is improved on the basis of any of scheme 1 to 4 and obtains scheme 7：The valve body be equipped with for insert U-shaped pin with
The mounting groove that explosion-proof valve is connect with column.The fast assembling-disassembling of explosion-proof valve is realized using U-shaped pin.
Description of the drawings
Fig. 1 is the structural schematic diagram of the specific embodiment of explosion-proof valve provided by the utility model；
Fig. 2 is the structural schematic diagram of valve body in column explosion-proof valve shown in FIG. 1；
Fig. 3 is the structural schematic diagram of hold-down bolt in column explosion-proof valve shown in FIG. 1；
Fig. 4 is the structural schematic diagram of the specific embodiment of column provided by the utility model；
Fig. 5 is the partial enlarged view of column shown in Fig. 4.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of the explosion-proof valve of the utility model：
As shown in Figure 1 to Figure 3, a kind of explosion-proof valve, including valve body 1, valve body 1 are equipped with pre-small post-large stepped hole 12, platform
The path section in rank hole 12 forms the interior pressure release through-hole 10 being connected to the pressure release passage on column, is spirally connected in the major diameter section of stepped hole 12
There are hold-down bolt 3, hold-down bolt 3 to be equipped with the outer pressure release through-hole 15 of perforation corresponding with the path section of stepped hole 12, interior pressure release is logical
Hole 10 and outer pressure release through-hole 15 are collectively formed the pressure release passage on explosion-proof valve, close to one end of column are to use on interior pressure release through-hole 10
In the fluid inlet being connected to the pressure release passage on column, the other end is fluid outlet, is coordinated between valve body 1 and hold-down bolt 3
Top pressure is equipped with for separating inside and outside pressure release through-hole in the initial state, set itself be broken or comed off under pressure in being connected to,
The rupture disk 2 of outer pressure release through-hole.
It is front side to define the left side in Fig. 1, and valve body 1 is equipped with along its axially extending pre-small post-large stepped hole 12, valve
In the fluid inlet that the opening of 12 path section one end of stepped hole is interior pressure release through-hole on body 1, the step surface of stepped hole 12 formed with
Installation step cooperation on hold-down bolt 3 compresses the pushing tow face 17 of rupture disk 2, is set in the path section of stepped hole 12 on valve body 1
It is useful for inserting the mounting groove 13 of U-shaped pin, the front of mounting groove 13 is equipped with the card slot 14 for mounting O-shaped sealing ring 6, valve body 1
The sealed connection with the connector block on column, the major diameter section of stepped hole 12 are realized by the O-ring seal 6 being arranged in card slot 14
Development length with setting, and the hole wall of major diameter section is equipped with and the matched internal thread of external thread section on hold-down bolt 3
Section.
In being bolted with hold-down bolt 3 in the major diameter section of stepped hole 12 on valve body 1, hold-down bolt 3 is and the top on valve body 1
Pushing surface 17 coordinates the compressing member for being fixed rupture disk 2, and hold-down bolt 3 is including nut 31 and for being bolted in 12 major diameter of stepped hole
The peripheral surface of stud 32 in section, stud 32 is equipped with the external thread section along its axially extending setting length, and stud 32 screws in greatly
Setting length is to ensure that it will not be loosened under high pressure effect in diameter section.
Hold-down bolt 3 is equipped with axially extending and aperture outer pressure release equal with the path section aperture of stepped hole 12 along its
Through-hole 15, interior pressure release through-hole 10 and outer pressure release through-hole 15 constitute the pressure release passage on explosion-proof valve, and on outer pressure release through-hole 15 in
One end open away from valve body is the fluid outlet of the pressure release passage on explosion-proof valve.The pressure release being made of inside and outside pressure release through-hole is led to
The aperture of pressure release passage in the relatively conventional explosion-proof valve in aperture in road is much greater, and relieving capacity is strong, and outer pressure release through-hole 15
With setting length, ensure that the liquid released will not splash.
The installation step 16 of block forward-facing, installation step 16 are equipped on stud 32 at the front opening of outer pressure release through-hole
Interior sealing is equipped with rupture disk 2, and the outer edge of rupture disk 2 protrudes from the front end face of installation step 16, so that installation step 16
Step surface coordinates top pressure to fix rupture disk 2 along the longitudinal direction with the pushing tow face 17 on valve body 1, to ensure rupture disk 2 in pressure
Explosion leading edge is not twitched and peripheral sealing under the action of medium.Explosion-proof valve pressure releasing side foreign object damage explosion in order to prevent
Piece 2, equipped with the moulding 4 for insulating outer pressure release through-hole 15 at the open rearward end of outer pressure release through-hole on nut 31.
Rupture disk 2 is round shape structure, and middle part is convex thin slice made of explosion material, rupture disk when installation
Middle part is towards protrusion at fluid inlet, and when the pressure difference of 2 both sides of rupture disk reaches predetermined value, rupture disk 2 ruptures at once, and lets out
The liquid for releasing interior pressure release passage on column, plays the role of the cylinder body explosion for preventing column.
The specific embodiment of the column of the utility model：
As shown in Figures 1 to 5, a kind of column, includes the cylinder body 100 with pressure release passage, and column is equipped with logical with pressure release
The connector block 101 that road 20 is connected to is equipped with explosion-proof valve 200 on connector block 101 by U-shaped pin 5, and explosion-proof valve 200 includes valve body 1,
Valve body 1 be equipped with pre-small post-large stepped hole 12, stepped hole 12 path section formation be connected to the pressure release passage on column it is interior
Pressure release through-hole 10, hold-down bolt 3 is bolted in the major diameter section of stepped hole 12, and hold-down bolt 3 is equipped with the path with stepped hole 12
The outer pressure release through-hole 15 of the corresponding perforation of section, interior pressure release through-hole 10 are collectively formed the pressure release on explosion-proof valve with outer pressure release through-hole 15 and lead to
Road close to one end of column is the fluid inlet for being connected to the pressure release passage on column, the other end on interior pressure release through-hole 10
For fluid outlet, top pressure is coordinated to be equipped between valve body 1 and hold-down bolt 3 logical for separating inside and outside pressure release in the initial state
Hole sets and itself is broken or comed off under pressure to be connected to the rupture disk 2 of inside and outside pressure release through-hole.
The side of connector block 101 of the definition on the column is front side, valve body 1 be equipped with along its it is axially extending before it is small after
Big stepped hole 12, in the fluid inlet that the opening of 12 path section one end of stepped hole is interior pressure release through-hole, stepped hole 12 on valve body 1
Step surface form the pushing tow face 17 that rupture disk 2 is compressed with the installation step cooperation on hold-down bolt 3, in stepped hole on valve body 1
12 path section is equipped with the mounting groove 13 for inserting U-shaped pin, and the front of mounting groove 13, which is equipped with, is used for mounting O-shaped sealing ring 6
Card slot 14, valve body 1 passes through the O-ring seal 6 that is arranged in card slot 14 and realizes sealed connection with the connector block on column, platform
The major diameter section in rank hole 12 has the development length of setting, and the hole wall of major diameter section is equipped with and the external screw thread on hold-down bolt 3
The matched internal thread segment of section.
In being bolted with hold-down bolt 3 in the major diameter section of stepped hole 12 on valve body 1, hold-down bolt 3 is i.e. and the pushing tow on valve body 1
Face 17 coordinates the compressing member for being fixed rupture disk 2, and hold-down bolt 3 is including nut 31 and for being bolted in 12 major diameter section of stepped hole
The peripheral surface of interior stud 32, stud 32 is equipped with the external thread section along its axially extending setting length, and stud 32 screws in major diameter
Setting length is to ensure that it will not be loosened under high pressure effect in section.
Hold-down bolt 3 is equipped with axially extending and aperture outer pressure release equal with the path section aperture of stepped hole 12 along its
Through-hole 15, interior pressure release through-hole 10 and outer pressure release through-hole 15 constitute the pressure release passage on explosion-proof valve, and on outer pressure release through-hole 15 in
One end open away from valve body is the fluid outlet of pressure release passage on explosion-proof valve.The pressure release passage being made of inside and outside pressure release through-hole
The relatively conventional explosion-proof valve in aperture in pressure release passage aperture it is much greater, relieving capacity is strong, and outer pressure release through-hole 15 have
There is setting length, ensures that the liquid released will not splash.
The installation step 16 of block forward-facing, installation step 16 are equipped on stud 32 at the front opening of outer pressure release through-hole
Interior sealing is equipped with rupture disk 2, and the outer edge of rupture disk 2 protrudes from the front end face of installation step 16, so that installation step 16
Step surface coordinates top pressure to fix rupture disk 2 along the longitudinal direction with the pushing tow face 17 on valve body 1, to ensure rupture disk 2 in pressure
Explosion leading edge is not twitched and peripheral sealing under the action of medium.Explosion-proof valve pressure releasing side foreign object damage explosion in order to prevent
Piece 2, equipped with the moulding 4 for insulating outer pressure release through-hole 15 at the open rearward end of outer pressure release through-hole on nut 31.
Rupture disk 2 is round shape structure, and middle part is convex thin slice made of explosion material, rupture disk when installation
Middle part is towards protrusion at fluid inlet, and when the pressure difference of 2 both sides of rupture disk reaches predetermined value, rupture disk 2 ruptures at once, and lets out
The liquid for releasing interior pressure release passage on column, plays the role of the cylinder body explosion for preventing column.
When using the column, the pressure medium in column cylinder body enters explosion-proof valve 200 through pressure release passage 20 and connector block 101
On interior pressure release through-hole 10 in, and act directly on rupture disk 2, it is quick-fried when the pressure difference of 2 both sides of rupture disk reaches predetermined value
Fragmentation ruptures at once, and to make pressure medium break through moulding 4 along the flowing of outer pressure release through-hole 15, pressure medium of releasing out plays
Prevent the effect of the cylinder body explosion of column.Rupture disk 2 can rapidly be made when operating pressure moment steeply rises in column cylinder body
Reaction, and the requirement to pressure medium is smaller, even also can be reliable in the environment of sticky, high temperature, low temperature and corrosion
Ground works, can effectively protect column, extends its service life, reduces security risk, increases economic efficiency.
In the present embodiment, valve body is connect by U-shaped pin with the connector block on column, in other embodiments, can also spiral shell
It connects.
In the present embodiment, hold-down bolt is spirally connected with valve body, in other embodiments, can also use other connection types,
Such as welding.
In the present embodiment, being equipped with moulding in the rear end of hold-down bolt can not also be arranged in other embodiments.
In the present embodiment, the middle part of rupture disk is to front projection, can also be flat in other embodiments, or convex backward
It rises, can also be the rupture disk that deformation falls off when setting pressure.
The utility model also provides a kind of hydraulic support, including rack body, and column is connected on rack body, the column
Structure it is identical as the structure of above-mentioned column, details are not described herein.
Claims (21)
1. a kind of hydraulic support, including rack body, it is connected with column on rack body, column includes the cylinder for having pressure release passage
Body, cylinder body are equipped with explosion-proof valve, and explosion-proof valve includes valve body, and valve body is equipped with the interior pressure release through-hole being connected to the pressure release passage,
It is characterized in that：Compressing member is additionally provided on the valve body, it is logical that compressing member is equipped with the outer pressure release for being connected to interior pressure release through-hole
Hole, is equipped with installation step on compressing member at the inner end aperture of the interior pressure release through-hole of direction of outer pressure release through-hole, pre- at installation step
Positioning the rupture disk being equipped with for separating inside and outside pressure release through-hole, valve body be equipped with the installation step corresponding matching with
Be fixedly clamped the pushing tow face of rupture disk.
2. hydraulic support according to claim 1, it is characterised in that：The valve body is equipped with pre-small post-large stepped hole,
The path section of stepped hole forms the interior pressure release through-hole, and the compressing member inserting is fixed in the major diameter section of stepped hole.
3. hydraulic support according to claim 2, it is characterised in that：The outer edge of the rupture disk protrudes from installation step
Front end face, the step surface on valve body at stepped hole forms the pushing tow face.
4. hydraulic support according to claim 1, it is characterised in that：In outer pressure release through-hole away from interior on the compressing member
It is equipped at the outer end aperture of pressure release through-hole for preventing foreign object along the moulding of outer pressure release through-hole damage rupture disk.
5. hydraulic support according to any one of claim 2 to 4, it is characterised in that：The compressing member is equipped with for middle part
The hold-down bolt of the outer pressure release through-hole, hold-down bolt include nut and the stud for being bolted in stepped hole major diameter section, spiral shell
Column is equipped with the installation step, and the radial dimension of nut is more than the radial dimension on valve body at major diameter section.
6. hydraulic support according to claim 5, it is characterised in that：The stud is equipped with to be grown along its axially extending setting
Spend the external thread section to prevent hold-down bolt from loosening.
7. hydraulic support according to any one of claim 1 to 4, it is characterised in that：In explosion-proof valve on the cylinder body
Installation place is equipped with connector block, and the valve body is equipped with the mounting groove for inserting U-shaped pin, and valve body is connected by U-shaped pin and connector block
It connects.
Include the cylinder body with pressure release passage 8. a kind of column, cylinder body is equipped with explosion-proof valve, and explosion-proof valve includes valve body, on valve body
Equipped with the interior pressure release through-hole being connected to the pressure release passage, it is characterised in that：Compressing member is additionally provided on the valve body, on compressing member
Equipped with the outer pressure release through-hole for being connected to interior pressure release through-hole, in the interior pressure release through-hole of direction of outer pressure release through-hole on compressing member
Installation step, the rupture disk being equipped with for separating inside and outside pressure release through-hole being pre-positioned at installation step, valve are equipped at stomidium mouth
Body is equipped with the installation step corresponding matching with the pushing tow face for the rupture disk that is fixedly clamped.
9. column according to claim 8, it is characterised in that：The valve body is equipped with pre-small post-large stepped hole, step
The path section in hole forms the interior pressure release through-hole, and the compressing member inserting is fixed in the major diameter section of stepped hole.
10. column according to claim 9, it is characterised in that：The outer edge of the rupture disk protrudes from installation step
Front end face, the step surface on valve body at stepped hole form the pushing tow face.
11. column according to claim 8, it is characterised in that：It is let out away from interior in outer pressure release through-hole on the compressing member
It presses and is equipped at the outer end aperture of through-hole for preventing foreign object along the moulding of outer pressure release through-hole damage rupture disk.
12. the column according to any one of claim 9 to 11, it is characterised in that：The compressing member is equipped with institute for middle part
The hold-down bolt of outer pressure release through-hole is stated, hold-down bolt includes nut and the stud for being bolted in stepped hole major diameter section, stud
It is equipped with the installation step, the radial dimension of nut is more than the radial dimension on valve body at major diameter section.
13. column according to claim 12, it is characterised in that：The stud is equipped with along its axially extending setting length
With the external thread section for preventing hold-down bolt from loosening.
14. the column according to any one of claim 8 to 11, it is characterised in that：In the peace of explosion-proof valve on the cylinder body
Connector block is equipped at dress, the valve body is equipped with the mounting groove for inserting U-shaped pin, and valve body is connect by U-shaped pin with connector block.
15. a kind of explosion-proof valve, including valve body, valve body is equipped with the interior pressure release through-hole for being connected to the pressure release passage on column,
It is characterized in that：Compressing member is additionally provided on the valve body, it is logical that compressing member is equipped with the outer pressure release for being connected to interior pressure release through-hole
Hole, is equipped with installation step on compressing member at the inner end aperture of the interior pressure release through-hole of direction of outer pressure release through-hole, pre- at installation step
Positioning the rupture disk being equipped with for separating inside and outside pressure release through-hole, valve body be equipped with the installation step corresponding matching with
Be fixedly clamped the pushing tow face of rupture disk.
16. explosion-proof valve according to claim 15, it is characterised in that：The valve body is equipped with pre-small post-large stepped hole,
The path section of stepped hole forms the interior pressure release through-hole, and the compressing member inserting is fixed in the major diameter section of stepped hole.
17. explosion-proof valve according to claim 16, it is characterised in that：The outer edge of the rupture disk protrudes from installation step
Front end face, the step surface on valve body at stepped hole forms the pushing tow face.
18. explosion-proof valve according to claim 15, it is characterised in that：In outer pressure release through-hole away from interior on the compressing member
It is equipped at the outer end aperture of pressure release through-hole for preventing foreign object along the moulding of outer pressure release through-hole damage rupture disk.
19. the explosion-proof valve according to any one of claim 16 to 18, it is characterised in that：The compressing member is equipped with for middle part
The hold-down bolt of the outer pressure release through-hole, hold-down bolt include nut and the stud for being bolted in stepped hole major diameter section, spiral shell
Column is equipped with the installation step, and the radial dimension of nut is more than the radial dimension on valve body at major diameter section.
20. explosion-proof valve according to claim 19, it is characterised in that：The stud is equipped with to be grown along its axially extending setting
Spend the external thread section to prevent hold-down bolt from loosening.
21. the explosion-proof valve according to any one of claim 15 to 18, it is characterised in that：The valve body is equipped with for inserting
The mounting groove that U-shaped pin is filled so that explosion-proof valve to be connect with column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284228.1U CN208040418U (en) | 2018-02-28 | 2018-02-28 | Hydraulic support, column and its explosion-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284228.1U CN208040418U (en) | 2018-02-28 | 2018-02-28 | Hydraulic support, column and its explosion-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040418U true CN208040418U (en) | 2018-11-02 |
Family
ID=63949510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820284228.1U Expired - Fee Related CN208040418U (en) | 2018-02-28 | 2018-02-28 | Hydraulic support, column and its explosion-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398679A (en) * | 2023-04-23 | 2023-07-07 | 江苏民诺特种设备有限公司 | Relief valve and steel bottle with same |
-
2018
- 2018-02-28 CN CN201820284228.1U patent/CN208040418U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398679A (en) * | 2023-04-23 | 2023-07-07 | 江苏民诺特种设备有限公司 | Relief valve and steel bottle with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 |