CN207437875U - High-low pressure filling valve and hydraulic press - Google Patents
High-low pressure filling valve and hydraulic press Download PDFInfo
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- CN207437875U CN207437875U CN201721317196.2U CN201721317196U CN207437875U CN 207437875 U CN207437875 U CN 207437875U CN 201721317196 U CN201721317196 U CN 201721317196U CN 207437875 U CN207437875 U CN 207437875U
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- low pressure
- filling valve
- spool
- pressure filling
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Abstract
The utility model discloses a kind of high-low pressure filling valve and hydraulic presses.High-low pressure filling valve includes：Valve body (1), it is arranged at the internal guide sleeve (2) of valve body (1), and the spool (3) slided under oil cylinder (10) driving along the axis of guide sleeve (2), spool (3) is fitted close with guide sleeve (2), and valve body (1) includes：Low-pressure intake (101) and high pressure intake (102), low-pressure intake (101) is located at the bottom of valve body (1), high pressure intake (102) is located on the side wall of valve body (1), and guide sleeve (2) includes：The first guide sleeve (202) above high pressure intake (102), and the second guide sleeve (203) below high pressure intake (102), spool (3) is slided along the axis of the first guide sleeve (202) and the second guide sleeve (203), and is fitted close with the first guide sleeve (202) and the second guide sleeve (203).The valve service life is long, and low pressure water in it and high pressure water are not easy pressure release.
Description
Technical field
The utility model is related to a kind of high-low pressure filling valve and hydraulic presses.
Background technology
Hydraulic press is the important equipment in welded pipe units, is mainly used for the inspection of steel pipe base material and weld strength, checks steel
Pipe is in authorized pressure, it is specified that there is phenomena such as No leakage, deformation in the time.Hydraulic press mainly includes four parts, is respectively：Steel pipe
Transmission device, water circuit system, oil piping system and control system.Wherein, the leakproofness of the high-low pressure water filling system in water circuit system
Can be an important factor for influencing hydraulic press operations involving high pressure.
Fig. 1 is referred to, Fig. 1 is existing high-low pressure filling valve.As shown in Figure 1, existing high-low pressure water filling system includes：
Valve body 1, valve body 1 have low-pressure intake 101 and the high pressure intake 102 above low-pressure intake 101, are arranged on valve body
1 inside, and positioned at the guide sleeve 2 of the top of low-pressure intake 101, guide sleeve 2 have multiple through holes 201, multiple through holes 201 with
High pressure intake 102 corresponds to connection, and making high pressure water, the 10 drives edge guide sleeve of oil cylinder 2 by oil piping system is axial sliding full of valve body 1
Dynamic spool 3 and the inside for being arranged on valve body 1, and the valve seat 4 being fixedly connected with the lower face of guide sleeve 2, valve seat it is upper
End face 401 is located at the lower section of high pressure intake 102, and the upper surface 401 of valve seat is bonded with the lower face 301 of spool to entering
The in vivo low pressure water of valve and high-pressure water seal.
In the process of implementing the utility model, inventor has found that the prior art has at least the following problems：Such as Fig. 1 institutes
Show, 3 slide downward of spool hits valve seat 4, and the upper surface 401 of valve seat is made to be bonded with the lower face 301 of spool to entering in valve body 1
Low pressure water and high-pressure water seal, it is bigger to the abrasion of valve seat 4, easily occur in let out, influence the sealing of high-low pressure filling valve
Performance detects steel tube performance so as to further influence hydraulic press.
Utility model content
The utility model provides a kind of high-low pressure filling valve and hydraulic press, to solve the close of existing high-low pressure filling valve
The problem of sealing property is poor.
In a first aspect, the utility model embodiment provides a kind of high-low pressure filling valve, including：Valve body is arranged at the valve
The guide sleeve in portion and the spool slided in the axis of guide sleeve described in hydraulic oil cylinder driving lower edge, the spool are led with described in vivo
It is fitted close to set, the valve body includes：Low-pressure intake and high pressure intake,
The low-pressure intake is located at the bottom of the valve body, and the high pressure intake is located on the side wall of the valve body,
The guide sleeve includes：The first guide sleeve above the high pressure intake and positioned at the high pressure into
The second guide sleeve below the mouth of a river,
The spool is slided along the axis of first guide sleeve and second guide sleeve, and is oriented to described first
Set and second guide sleeve are fitted close.
Preferably, the internal diameter of first guide sleeve and second guide sleeve is less than the internal diameter of the valve body.
Preferably, first guide sleeve includes：
Two the first beckets and first sealing ring between described two first beckets；Or
First guide sleeve includes：
Multiple first beckets and multiple first sealing rings, first becket and the first sealing ring replace from top to bottom
Distribution, and the top and bottom of first guide sleeve are first becket.
It is highly preferred that the hardness of first becket is less than the hardness of the spool.
Preferably, second guide sleeve includes：
Two the second beckets and second sealing ring between described two second beckets；Or
Second guide sleeve includes：
Multiple second beckets and multiple second sealing rings, second becket and second sealing ring are from top to bottom
It is alternately distributed, and the top and bottom of second guide sleeve are second becket.
It is highly preferred that the hardness of second becket is less than the hardness of the spool.
Preferably, the high-low pressure filling valve further includes：
The upper press cover that is fixedly connected with the upper surface of the valve body and
The lower cover being fixedly connected with the lower face of the valve body,
Wherein,
The upper press cover is used to compress first guide sleeve,
The lower cover is used to compress second guide sleeve.
Preferably, the high-low pressure filling valve further includes：Connector,
The oil cylinder has piston rod,
The piston rod is fixedly connected by the connector with the spool, so as to drive the spool along the guide sleeve
Axis slide.
Preferably, the high-low pressure filling valve further includes：The support base of oil cylinder is used to support, the support base includes first
Support base and the second support base docked with first support base, second support base are fixedly connected with the valve body,
The spool is slidably to inside the support base.
It is highly preferred that the high-low pressure filling valve further includes：
First gusset, the both ends of first gusset be fixed on first support base and
Second gusset, the both ends of second gusset are fixed on second support base.
Second aspect, the utility model embodiment provide a kind of water circuit system of hydraulic press, and the water circuit system includes the
The high-low pressure filling valve related in one aspect to.
Specifically, the water circuit system further includes：
The low pressure water feed apparatus connected with the low-pressure intake,
The high-pressure water inlet device that is connected with the high pressure intake and
The relief arrangement connected with the high pressure intake.
The third aspect, the utility model embodiment provide a kind of hydraulic press, the water circuit system being related to including second aspect.
Specifically, the hydraulic press further includes：
Oil piping system, the oil piping system drives the oil cylinder, so that the institute in water circuit system described in the hydraulic oil cylinder driving
The spool stated in high-low pressure filling valve is slided along the axis of the guide sleeve,
Steel pipe Transmission system, be used for transmission steel pipe to be detected and
Control system, the control system are used to that the water circuit system, the oil piping system and the steel pipe to be controlled to pass
Defeated system.
The advantageous effect of technical solution that the utility model embodiment provides is：Low pressure water enters valve body from low-pressure intake
Inside, at this time spool be located at the top of high pressure intake, spool is fitted close with the first guide sleeve in guide sleeve, by low pressure water
Sealing, until low pressure water is full of, the axis of hydraulic oil cylinder driving spool along guide sleeve slides down to the lower end of guide sleeve, spool immediately
It is fitted close, low pressure water seal is lived, high pressure water enters valve body from high pressure intake immediately with the first guide sleeve and the second guide sleeve
It is interior, start to be pressurized.Since spool and the first guide sleeve and the second guide sleeve are fitted close, contact area is big, and therefore, high-low pressure fills
Low pressure water and high pressure water in water valve are less prone to pressure release phenomenon, and the service life of the high-low pressure filling valve is long.
Description of the drawings
Fig. 1 is existing high-low pressure filling valve；
Fig. 2 is a kind of usage state diagram of the high-low pressure filling valve of the utility model embodiment；
Fig. 3 is another usage state diagram of the high-low pressure filling valve of the utility model embodiment；
Fig. 4 is the schematic diagram of the water circuit system of the hydraulic press of the utility model embodiment；
Fig. 5 is the schematic diagram of the hydraulic press of the utility model embodiment.
Reference numeral in figure represents respectively：
1st, valve body；101st, low-pressure intake；102nd, high pressure intake；
2nd, guide sleeve；
201st, through hole；
202nd, the first guide sleeve；2021st, the first becket；2022nd, the first sealing ring；
203rd, the second guide sleeve；2031st, the second becket；2032nd, the second sealing ring；
3rd, spool；301st, the lower face of spool；
4th, valve seat；401st, the upper surface of valve seat；
5th, upper press cover；
6th, lower cover；
7th, connector；
8th, support base；
801st, the first support base；802nd, the second support base；
901st, the first gusset；902nd, the second gusset；
10th, oil cylinder；1001st, piston rod；
20th, high-low pressure filling valve；
30th, low pressure water feed apparatus；
40th, high-pressure water inlet device；
50th, relief arrangement；
100th, water circuit system；
200th, oil piping system；
300th, control system.
Specific embodiment
To make the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with attached drawing
Mode is described in further detail.
The utility model embodiment provides a kind of high-low pressure filling valve.Fig. 2 is referred to, Fig. 2 is implemented for the utility model
A kind of usage state diagram of the high-low pressure filling valve of mode.As shown in Fig. 2, the high-low pressure filling valve of present embodiment includes：Valve
Body 1, the guide sleeve 2 being arranged inside valve body 1 and the spool 3 slided under the driving of oil cylinder 10 along the axis of guide sleeve 2, valve
Core 3 is fitted close with guide sleeve 2, and valve body 1 includes：Low-pressure intake 101 and high pressure intake 102, low-pressure intake 101 are located at
The bottom of valve body 1, high pressure intake 102 are located on the side wall of valve body 1, and guide sleeve 2 includes：Above high pressure intake 102
The first guide sleeve 202 and the second guide sleeve 203 positioned at the lower section of high pressure intake 102, spool 3 is along the first guide sleeve 202
It slides with the axis of the second guide sleeve 203, and is fitted close with the first guide sleeve 202 and the second guide sleeve 203.
The operation principle of the high-low pressure filling valve of the utility model embodiment is：
As shown in Fig. 2, low pressure water enters from low-pressure intake 101 inside valve body 1 as shown by arrows, spool 3 is located at this time
The top of high pressure intake 102, spool 3 are fitted close with the first guide sleeve 202 in guide sleeve 2, by low pressure water-stop, until
Low pressure water is full of, and oil cylinder 10 drives the axis of spool 3 along guide sleeve 2 to slide down to the lower end of guide sleeve 2 immediately, please join at this time
See Fig. 3, Fig. 3 is another usage state diagram of the high-low pressure filling valve of the utility model embodiment, as shown in figure 3, spool 3
It is fitted close with the first guide sleeve 202 and the second guide sleeve 203, low pressure water seal is lived, high pressure water is as shown by arrows from height immediately
It is pressed into the mouth of a river 102 to enter in valve body 1, starts to be pressurized.Since spool 3 and the first guide sleeve 202 and the second guide sleeve 203 are closely matched somebody with somebody
It closes, contact area is big, and therefore, low pressure water and high pressure water in high-low pressure filling valve are less prone to pressure release phenomenon, and the height
The service life for pressing filling valve is long.
In the utility model embodiment, the internal diameter of the first guide sleeve 202 and the second guide sleeve 203 is less than valve body 1
Internal diameter so that 102 corresponding valve body 1 forms cavity with spool 3 in high pressure intake, into the water in valve body 1 to each of spool 3
The active force in a direction is that direction equal in magnitude is opposite, and high pressure water does not generate lateral deviation power to meeting spool 3, so as to which spool 3 will not
Lateral deviation power is generated to the first guide sleeve 202 and the second guide sleeve 203, i.e. spool 3 is oriented to respectively with the first guide sleeve 202 and second
The frictional force that set 203 generates is that direction equal in magnitude is opposite, extends the service life of high-low pressure filling valve.
In the present embodiment, the first specific manifestation form of the first guide sleeve 202 can be as shown in Fig. 2, first
Guide sleeve 202 can include：Two the first beckets 2021 and one between two the first beckets 2021 are first close
Seal 2022 so that spool 3 is fitted close with the first guide sleeve 202, so that the high-low pressure filling valve of present embodiment is not
Pressure release can occur.It will be appreciated by persons skilled in the art that in the first specific manifestation form of the first guide sleeve 202,
The axial width of first sealing ring 2022 is wider, when fricting movement occurs with spool 3, is acted on by frictional force, the first sealing
Axial deformation easily occurs for circle 2022.
In the present embodiment, second of specific manifestation form of the first guide sleeve 202 can also be the first guide sleeve
202 can include：Multiple first beckets 2021 and multiple first sealing rings 2022, the first becket 2021 and the first sealing ring
2022 are alternately distributed from top to bottom, and the top and bottom of the first guide sleeve 202 are the first becket 2021.Each first
The axial both ends of sealing ring 2022 are in close contact with the first becket 2021, and the width of the first sealing ring has less than the first
The width of first sealing ring of the body form of expression, when fricting movement occurs with spool 3, axial direction is less likely to occur the first sealing ring
Deformation.Therefore, second of specific manifestation form of the first guide sleeve 202 is better than the first specific manifestation of the first guide sleeve 202
Form.
On the basis of the specific manifestation form of above-mentioned first guide sleeve 202, the hardness of the first becket 2021 is less than valve
The hardness of core 3.Such as first becket 2021 can be made of copper metal, spool 3 can be made of stainless steel.Spool 3 with
When first becket 2021 rubs, the first becket generates abrasion, and spool hardly wears, and when repair only needs to change
First becket, maintenance cost are low.
In the present embodiment, the first specific manifestation form of the second guide sleeve 203 can be as shown in Fig. 2, second
Guide sleeve 203 includes：Two the second beckets 2031 and second sealing ring between two the second beckets 2031
2032 so that spool 3 is fitted close with the second guide sleeve 203, so that the high-low pressure filling valve of present embodiment will not be sent out
Raw pressure release.It will be appreciated by persons skilled in the art that in such specific manifestation form of the second guide sleeve 203, second is close
The axial width of seal 2032 is wider, when fricting movement occurs with spool 3, is acted on by frictional force, the second sealing ring 2032
Axial deformation easily occurs.
In the present embodiment, second of specific manifestation form of the second guide sleeve 203 can be the second guide sleeve 203
Including：Multiple second beckets 2031 and multiple second sealing rings 2032, the second becket 2031 and the second sealing ring 2032 from
It is alternately distributed under, and the top and bottom of the second guide sleeve 203 are the second becket 2031.Each second sealing ring
2032 axial both ends are in close contact with the second becket 2031, and the width of the second sealing ring is less than the first specific manifestation
The width of second sealing ring of form, when fricting movement occurs with spool 3, it is not easy to axial deformation occur.Therefore, second lead
It is better than the first specific manifestation form of the second guide sleeve 203 to second of specific manifestation form of set 203.
On the basis of the specific manifestation form of above-mentioned second guide sleeve 203, the hardness of the second becket 2031 is less than valve
The hardness of core 3.Such as second becket can be made of copper metal, spool 3 can be made of stainless steel.In spool 3 and second
When becket 2031 rubs, the second becket generates abrasion, and spool hardly wears, and when repair only needs to change second
Becket, maintenance cost are low.
The high-low pressure filling valve of present embodiment can also include：The upper press cover 5 being fixedly connected with the upper surface of valve body 1,
And the lower cover 6 being fixedly connected with the lower face of valve body 1, wherein, upper press cover 5 is for the first guide sleeve 202 of compression, lower cover
6 for the second guide sleeve 203 of compression.First guide sleeve 202 is fixed with valve body 1 by upper press cover 5；By lower cover 6 by
Two guide sleeves 203 are fixed with valve body 1, and upper press cover 5 can also be compressed by 2022 structure of the first becket 2021 and the first sealing ring
Into the first guide sleeve 202, lower cover 6 can also compress second be made of the second becket 2031 and the second sealing ring 2032 and lead
To set 203.
Oil cylinder 10 and the type of attachment of spool 3 in the high-low pressure filling valve of present embodiment can be, as shown in figure 3,
The high-low pressure filling valve of present embodiment can also include：Connector 7, oil cylinder 10 have piston rod 1001, and piston rod 1001 passes through
Connector 7 is fixedly connected with spool 3, so as to which spool 3 be driven to be slided along the axis of guide sleeve 2.
The high-low pressure filling valve of present embodiment can also include：The support base 8 of oil cylinder 10 is used to support, support base 8 wraps
The first support base 801 and the second support base 802 docked with the first support base 801 are included, the second support base 802 and valve body 1 are solid
Fixed connection.First support base 801 can also be bolted to connection with the second support base 802, easy to disassemble and install.Ability
Field technique personnel are it is understood that the second support base 802 can be structure as a whole with upper press cover 5.Further, this embodiment party
The high-low pressure filling valve of formula can also include：First gusset 901, the both ends of the first gusset 901 are fixed on the first support base 801
On and the second gusset 902, the both ends of the second gusset 902 be fixed on the second support base 802.
First gusset 901 can be multiple, and be uniformly distributed along the excircle of the first support base 801, the second gusset 902
It can be multiple, and be uniformly distributed along the excircle of the second support base 802, with to the first support base 801 and the second support base
802 support force is uniform.The both ends of first gusset 901 can be respectively welded at the top and bottom of the first support base 801；
The both ends of second gusset 902 can be respectively welded at the top and bottom of the second support base 802.
Second aspect, the utility model embodiment also provide a kind of water circuit system of hydraulic press.Fig. 4 is referred to, Fig. 4 is
The schematic diagram of the water circuit system of the hydraulic press of the utility model embodiment.As shown in figure 4, the water circuit system includes this practicality newly
The high-low pressure filling valve 20 that type first aspect is related to.
In the utility model embodiment, as shown in figure 4, the water circuit system of present embodiment further includes：With low pressure into
The mouth of a river 101 connect low pressure water feed apparatus 30, the high-pressure water inlet device 40 connected with high pressure intake 102 and with high pressure into
The relief arrangement 50 that the mouth of a river 102 connects.Low pressure water feed apparatus 30 conveys low pressure water, high-pressure water inlet device to high-low pressure filling valve 20
40 to 20 conveying high-pressure water of high-low pressure filling valve.High pressure water in high-low pressure filling valve 20 reaches preset pressure, and keeps pre-
If after the time, relief arrangement 50 is opened, the pressure of the inside of high-low pressure filling valve 20 is shed.
The third aspect, the utility model embodiment also provide a kind of hydraulic press.Fig. 5 is referred to, Fig. 5 is the utility model
The schematic diagram of the hydraulic press of embodiment.As shown in figure 5, the hydraulic press of present embodiment is related to including the utility model second aspect
And water circuit system 100.
The hydraulic press of the utility model embodiment further includes：Oil piping system 200,200 drive cylinder 10 of oil piping system, with
Make oil cylinder 10 that the spool 3 in the high-low pressure filling valve 20 in water circuit system 100 be driven to be slided along the axis of guide sleeve 2, steel pipe passes
Defeated system, is used for transmission steel pipe to be detected and control system 300, and control system 300 is used to control water circuit system 100, oil
Road system 200 and steel pipe Transmission system.Wherein, steel pipe Transmission system is not shown in Fig. 5.
The operation principle of the hydraulic press of the utility model embodiment is：
As shown in Fig. 2, the high-low pressure filling valve 20 in water circuit system 100 is in working condition as shown in Figure 2, control system
Low pressure water in 300 control low pressure water feed apparatus 30 of system enters valve body 1 from low-pressure intake 101, and control system 300 detects valve
Body 1 is full of low pressure water, and control system 300 drives the oil cylinder 10 in oil piping system 200 so that oil cylinder 10 as shown in Figure 5 drives height
The spool 3 of low pressure water filling valve 20 slides down to the lower end of the second guide sleeve 203, seals low pressure water, and control system 300 controls height
High pressure water in low pressure water filling valve 20 is from high pressure intake 102 into high-low pressure filling valve 20, when control system 300 detects height
The pressure of high pressure water in low pressure water filling valve 20 reaches preset pressure, and when time for keeping of pressure reaches preset time, drives
Dynamic relief arrangement 50 sheds pressure, while high pressure water after supercharged examines the steel pipe to be detected in steel pipe Transmission system
It surveys, control system 300 drives the oil cylinder 10 in oil piping system 200, and high-low pressure filling valve 20 is made to be in work shape as shown in Figure 2
State completes the detection successively to steel pipe to be measured.
The above is for only for ease of it will be understood by those skilled in the art that the technical solution of the utility model, not to
Limit the utility model.Within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made,
It should be included within the scope of protection of this utility model.
Claims (14)
1. a kind of high-low pressure filling valve, including：Valve body (1) is arranged at the internal guide sleeve (2) of the valve body (1) and in oil
The spool (3) that the axis of guide sleeve (2) described in cylinder (10) driving lower edge slides, the spool (3) are close with the guide sleeve (2)
Cooperation, the valve body (1) include：Low-pressure intake (101) and high pressure intake (102),
It is characterized in that,
The low-pressure intake (101) is located at the bottom of the valve body (1), and the high pressure intake (102) is located at the valve body
(1) on side wall,
The guide sleeve (2) includes：The first guide sleeve (202) above the high pressure intake (102) and positioned at institute
The second guide sleeve (203) below high pressure intake (102) is stated,
The spool (3) along the axis of first guide sleeve (202) and second guide sleeve (203) slide, and with institute
It states the first guide sleeve (202) and second guide sleeve (203) is fitted close.
2. high-low pressure filling valve according to claim 1, which is characterized in that first guide sleeve (202) and described
The internal diameter of two guide sleeves (203) is less than the internal diameter of the valve body (1).
3. high-low pressure filling valve according to claim 1, which is characterized in that first guide sleeve (202) includes：
Two the first beckets (2021) and first sealing ring between described two first beckets (2021)
(2022)；Or
First guide sleeve (202) includes：
Multiple first beckets (2021) and multiple first sealing rings (2022), first becket (2021) and the first sealing
Circle (2022) is alternately distributed from top to bottom, and the top and bottom of first guide sleeve (202) are first metal
Ring (2021).
4. high-low pressure filling valve according to claim 3, which is characterized in that the hardness of first becket (2021) is small
Hardness in the spool (3).
5. high-low pressure filling valve according to claim 1, which is characterized in that second guide sleeve (203) includes：
Two the second beckets (2031) and second sealing ring between described two second beckets (2031)
(2032)；Or
Second guide sleeve (203) includes：
Multiple second beckets (2031) and multiple second sealing rings (2032), second becket (2031) and described second
Sealing ring (2032) is alternately distributed from top to bottom, and the top and bottom of second guide sleeve (203) are described second
Becket (2031).
6. high-low pressure filling valve according to claim 5, which is characterized in that the hardness of second becket (2031) is small
Hardness in the spool (3).
7. high-low pressure filling valve according to claim 1, which is characterized in that the high-low pressure filling valve further includes：
The upper press cover (5) that is fixedly connected with the upper surface of the valve body (1) and
The lower cover (6) being fixedly connected with the lower face of the valve body (1),
Wherein,
The upper press cover (5) is used to compress first guide sleeve (202),
The lower cover (6) is used to compress second guide sleeve (203).
8. high-low pressure filling valve according to claim 1, which is characterized in that the high-low pressure filling valve further includes：Connector
(7),
The oil cylinder (10) has piston rod (1001),
The piston rod (1001) is fixedly connected by the connector (7) with the spool (3), so as to drive the spool (3)
It is slided along the axis of the guide sleeve (2).
9. high-low pressure filling valve according to claim 1, which is characterized in that the high-low pressure filling valve further includes：For
The support base (8) of support cylinder (10), the support base (8) include：First support base (801) and with described first support
The second support base (802) of seat (801) docking, second support base (802) are fixedly connected with the valve body (1),
The spool (3) is slidably internal to the support base (8).
10. high-low pressure filling valve according to claim 9, which is characterized in that the high-low pressure filling valve further includes：
First gusset (901), the both ends of first gusset (901) be fixed on first support base (801) and
Second gusset (902), the both ends of second gusset (902) are fixed on second support base (802).
11. a kind of water circuit system of hydraulic press, which is characterized in that the water circuit system includes any one of claims 1 to 10 institute
The high-low pressure filling valve (20) stated.
12. water circuit system according to claim 11, which is characterized in that the water circuit system further includes：
The low pressure water feed apparatus (30) connected with the low-pressure intake (101),
The high-pressure water inlet device (40) that is connected with the high pressure intake (102) and
The relief arrangement (50) connected with the high pressure intake (102).
13. a kind of hydraulic press, which is characterized in that including the water circuit system (100) described in claim 11 or 12.
14. hydraulic press according to claim 13, which is characterized in that the hydraulic press further includes：
Oil piping system (200), the oil piping system (200) drive the oil cylinder (10), so that described in the oil cylinder (10) driving
The spool (3) in the high-low pressure filling valve (20) in water circuit system (100) is slided along the axis of the guide sleeve (2),
Steel pipe Transmission system, be used for transmission steel pipe to be detected and
Control system (300), the control system (300) are used to control the water circuit system (100), the oil piping system
(200) and the steel pipe Transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721317196.2U CN207437875U (en) | 2017-10-13 | 2017-10-13 | High-low pressure filling valve and hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721317196.2U CN207437875U (en) | 2017-10-13 | 2017-10-13 | High-low pressure filling valve and hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437875U true CN207437875U (en) | 2018-06-01 |
Family
ID=62294501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721317196.2U Active CN207437875U (en) | 2017-10-13 | 2017-10-13 | High-low pressure filling valve and hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207437875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626460A (en) * | 2017-10-13 | 2018-10-09 | 中国石油天然气集团公司 | High-low pressure filling valve and hydraulic press |
-
2017
- 2017-10-13 CN CN201721317196.2U patent/CN207437875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626460A (en) * | 2017-10-13 | 2018-10-09 | 中国石油天然气集团公司 | High-low pressure filling valve and hydraulic press |
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