CN202878242U - Disassembly device of valve core of cartridge valve - Google Patents
Disassembly device of valve core of cartridge valve Download PDFInfo
- Publication number
- CN202878242U CN202878242U CN 201220549063 CN201220549063U CN202878242U CN 202878242 U CN202878242 U CN 202878242U CN 201220549063 CN201220549063 CN 201220549063 CN 201220549063 U CN201220549063 U CN 201220549063U CN 202878242 U CN202878242 U CN 202878242U
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- CN
- China
- Prior art keywords
- screw rod
- spool
- hole
- fixed block
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a disassembly device of a valve core of a cartridge valve. The disassembly device comprises a clamping piece, a fixing block, a fixing nut, a screw rod, a supporting plate and a movable nut. A hole is arranged in a face of the fixing block, the clamping piece is located in the hole in the face of the fixing block, and the fixing block is in threaded connection with the screw rod. In working, the screw rod is tightened so that the clamping piece ejects outwards along the hole in the face of the fixing block and extends into a machining hole of the valve core, the fixing nut is connected with the screw rod and meanwhile contacts with the fixing block, and the movable nut is connected with the screw rod and meanwhile contacts with one face of the supporting plate. The supporting plate is connected with the screw rod through a hole in the supporting plate and is located between the fixing nut and the movable nut. The disassembly device solves the problem that due to the valve core of the cartridge valve is arranged in a valve block, matching precision of the valve core and the valve block is high, great effort is needed to pull the valve core out, and therefore long-time shut down is caused due to replacement of the cartridge valve.
Description
Technical field
The utility model relates to the hydraulic technique field, and particularly the inserted valve spool splits out device.
Background technology
In process of production; when the hydraulic system inserted valve breaks down; change inserted valve and can cause the shutdown of long period; mainly be because the spool of inserted valve is installed in the valve piece; seal by the O RunddichtringO between spool and the valve piece; and the quality of fit of spool and valve piece is higher, needs larger power spool could to be extracted.At present for this fault, generally take to catch on iron wire the machining hole of inserted valve spool, the method that is pulled outwardly is pulled out spool, but because the machining hole of spool is positioned at valve core inside, iron wire is difficult for colluding the jail, and because iron wire is less and inhomogeneous to the pulling force of spool, so be difficult to pull out spool is disposable, need repeatedly to attempt and spool little by little could be pulled out, waste time and energy.
The utility model content
Technical problem to be solved in the utility model provides a kind of device that splits out of inserted valve spool, solves the difficult problem of present inserted valve spool dismounting.
For solving the problems of the technologies described above, the inserted valve spool that the utility model provides split out device, comprise fastener, fixed block, hold-down nut, screw rod, gripper shoe and traveling nut; Comprise the hole on the face of described fixed block, described fastener is arranged in the hole on the fixed block face, and described fixed block is connected with screw flight, during work, tightening described screw rod can push up described fastener along the hole on the fixed block face outward, and stretches in the machining hole of spool, thereby blocks spool; When described hold-down nut is connected with screw rod, contact with fixed block; When described traveling nut is connected with described screw rod, contact with the one side of described gripper shoe; Described gripper shoe is connected with described screw rod by the hole on it, and between described hold-down nut and traveling nut.
Further, the end that contacts with screw rod of described fastener is the conical surface.
Further, the angle of the described conical surface is 45 degree.
Further, the end that contacts with fastener of described screw rod is the conical surface.
Further, the one side of the corresponding spool of described gripper shoe is connected with fixing feet, and during work, described fixing feet contacts with the valve piece.
The inserted valve spool that the utility model provides split out device; block spool with the fixture block that is arranged in the hole on the fixed block face of cylinder; by twisting traveling nut; provided support by gripper shoe; spool is slowly back-outed equably; when solving present hydraulic system inserted valve and breaking down; because the spool of inserted valve is installed in the valve piece; seal by the O RunddichtringO between spool and the valve piece; and the quality of fit of spool and valve piece is higher; need larger power spool could be extracted, cause changing the problem that inserted valve can cause the shutdown of long period.
Description of drawings
The structural representation that splits out device of the inserted valve spool that Fig. 1 provides for the utility model embodiment;
Hold-down nut 1, traveling nut 2, screw rod 3, gripper shoe 4, fixed block 5, fastener 6, spool 7, valve piece 8.
The specific embodiment
Referring to Fig. 1, the inserted valve spool that the utility model embodiment provides split out device, comprise fastener 6, fixed block 5, hold-down nut 1, screw rod 3, gripper shoe 4 and traveling nut 2.The shape of fixed block 5 cooperates with the hole of spool 7, comprises the hole on its face of cylinder.Fastener 6 is arranged in the hole on fixed block 5 faces of cylinder, and its end that contacts with screw rod 3 is the conical surface, and the angle of this conical surface can be 45 degree.Fixed block 5 and screw rod 3 are threaded, and during work, tighten screw rod 3 and fastener 6 can be pushed up outward along the hole on fixed block 5 faces of cylinder.When hold-down nut 1 is connected with screw rod 3, contact with fixed block 5; When traveling nut 2 is connected with screw rod 3, contact with the one side of gripper shoe 4; Gripper shoe is connected with screw rod by the hole on it, and between described hold-down nut and traveling nut.
1, the inserted valve spool that provides of the utility model embodiment splits out device, the effect of each parts, parameter and interconnect situation
1) hold-down nut 1
Hold-down nut 1 is screwed on the screw rod 3, and contacts with fixed block 5, when screw rod 3 is screwed into fixed block 5 fastener 6 is ejected, thereby after making fastener 6 insert the machining hole of spool 7, with hold-down nut 1 locking, is close to fixed block 5.Hold-down nut 1 is used for tie down screw 3 and fixed block 5, prevent from being arranged in the traveling nut 2 at screw rod 3 tops in the process that spool 7 is pulled out, following situation appears: fixed block 5 and screw rod 3 relative motions, cause screw rod 3 and fixed block 5 to be thrown off, and then fastener 6 can't block spool 7, and spool 7 can't be drawn out.
The parameter of hold-down nut 1 is the M208.8 level.
2) traveling nut 2
Traveling nut 2 is screwed in the screw rod 3 at last, and is close to gripper shoe 4, gripper shoe 4 is fixed on the installed surface of valve piece 8, by rotary moveable nut 2, screw rod 3 is slowly screwed out from valve piece 8 together with fixed block 5 and spool 7.
The parameter of traveling nut 2: M208.8 level
3) screw rod 3
The end face at the parameter of screw rod 3: M20 * 200 two ends is the 45 degree conical surfaces
4) gripper shoe 4
Be used to screw rod 3 and the traveling nut 2 of pulling out spool 7 to provide support face, the installation situation of hydraulic valve is selected different gripper shoes 4 around can reaching according to the size of spool 7.Usually select two kinds, two gripper shoes, one is larger, and fixing feet is longer, and another is less, and fixing feet is shorter, is applicable to different installation operating modes.
The parameter of gripper shoe 4: gripper shoe is circular, and thickness 10mm, gripper shoe centre bore are φ 24, external diameter 120mm/200mm, and a side outer rim of gripper shoe is symmetrically welded three fixing feet, and fixing feet is cylinder, and length is 80mm/120mm, diameter 6mm.
5) fixed block 5
Have six according to different spools 7 specifications, the size of fixed block 5 is to determine according to the processing dimension of spool 7, is used for mounting clip pieces 6 in 2-4 hole of processing, the face of cylinder of fixed block 5, and the quantity of fastener 6 also is to determine according to the situation of the machining hole of spool 7.Before splitting out spool 7, fixed block 5 is put into spool 7.
The parameter of fixed block 5: fixed block is the cylinder of hollow, and length is 60mm, and external diameter is according to the spool of different size and difference, and the end that fixed block is connected with screw rod is processed as the screwed hole of the dark 20mm of M20, and the other end is processed as the unthreaded hole of φ 24 dark 40mm.The hole of processing mounting clip pieces on the fixed block, centerline hole is apart from unthreaded hole end 20mm, diameter 6.4mm, through hole, quantity is identical with the machining hole of inserted valve spool.
6) fastener 6
Fastener 6 is installed in the machining hole of fixed block 5, and is fixing, and fastener 6 ejects fixed block 5 by screw rod 3, insert in the machining hole of spool 7, thereby chucking spool 7 possesses this device to pull out the condition of spool 7.Fastener one end that contacts with screw rod 3 is the 45 degree conical surfaces.
The parameter of fastener 6: fastener is cylinder, and contacting an end with screw rod is the 45 degree conical surfaces, and an end is the plane, diameter 6mm, and its length is identical with the radius of corresponding fixed block, and quantity is identical with the machining hole of inserted valve spool.
2, the using method that splits out device of the inserted valve spool that provides of the utility model embodiment
The inserted valve spool that the utility model embodiment provides split out device, be to design according to the hydraulic system that Shoudu Iron and Steel Co moves steel company two hot rolling scenes, be applicable to the LC25 that Rexroth company produces, LC32, LC40, LC50, LC63, the dismounting of the spool of the inserted valve of six series such as LC80.
The method of using is as follows:
1, at first hold-down nut 1 is screwed in the screw rod 3.
2, according to spool 7 specifications of inserted valve to be split out, select supporting fixed block 5, and in advance fastener 6 is installed on the fixed block 5.Fixed block 5 is put into spool 7, after screw-in screw rod 3 ejects fixed block 5 with fastener 6, thereby block spool 6 in the machining hole of fastener 6 insertion spools 7.
3, with hold-down nut 1 be locked piece 5 and screw rod 3, avoid that screw rod 3 screws out fixed blocks 5 in pulling out spool 7 processes.
4, select suitable gripper shoe 4 according to the installation situation of inserted valve, screw rod 3 is passed in gripper shoe 4 holes be pressed against on valve piece 5 mounting planes, and the tension spool.
5, compress gripper shoe 4 with traveling nut 2, rotary moveable nut 2 is pulled out spool 7 gradually.
It should be noted last that, the above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to example the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
- The inserted valve spool split out device, it is characterized in that, comprise fastener, fixed block, hold-down nut, screw rod, gripper shoe and traveling nut; Comprise the hole on the face of described fixed block, described fastener is arranged in the hole on the fixed block face, and described fixed block is connected with screw flight, during work, tightening described screw rod can push up described fastener along the hole on the fixed block face outward, and stretches in the machining hole of spool, thereby blocks spool; When described hold-down nut is connected with screw rod, contact with fixed block; When described traveling nut is connected with described screw rod, contact with the one side of described gripper shoe; Described gripper shoe is connected with described screw rod by the hole on it, and between described hold-down nut and traveling nut.
- Inserted valve spool as claimed in claim 1 split out device, it is characterized in that the end that described fastener contacts with screw rod is the conical surface.
- Inserted valve spool as claimed in claim 2 split out device, it is characterized in that the angle of the described conical surface is 45 degree.
- Inserted valve spool as claimed in claim 2 split out device, it is characterized in that the end that described screw rod contacts with fastener is the conical surface.
- 5. such as the device that splits out of each described inserted valve spool of claim 1 to 4, it is characterized in that the one side of the corresponding spool of described gripper shoe also is connected with fixing feet, during work, described fixing feet contacts with the valve piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549063 CN202878242U (en) | 2012-10-24 | 2012-10-24 | Disassembly device of valve core of cartridge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549063 CN202878242U (en) | 2012-10-24 | 2012-10-24 | Disassembly device of valve core of cartridge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202878242U true CN202878242U (en) | 2013-04-17 |
Family
ID=48069706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220549063 Expired - Lifetime CN202878242U (en) | 2012-10-24 | 2012-10-24 | Disassembly device of valve core of cartridge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202878242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015164A (en) * | 2014-06-11 | 2014-09-03 | 兰成刚 | High-pressure pipeline valve replacement device |
-
2012
- 2012-10-24 CN CN 201220549063 patent/CN202878242U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015164A (en) * | 2014-06-11 | 2014-09-03 | 兰成刚 | High-pressure pipeline valve replacement device |
| CN104015164B (en) * | 2014-06-11 | 2016-02-17 | 兰成刚 | High pressure line valve changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING SHOUGANG CO., LTD. Free format text: FORMER OWNER: HEBEI SHOUGANG QIAN'AN STEEL CO., LTD. Effective date: 20140411 Free format text: FORMER OWNER: CAPITAL IRON + STEEL GENERAL CO. Effective date: 20140411 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 064404 TANGSHAN, HEBEI PROVINCE TO: 100041 SHIJINGSHAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140411 Address after: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee after: BEIJING SHOUGANG Co.,Ltd. Address before: Yangzidian Town, Tangshan City City, Qian'an province Hebei 064404 Patentee before: Hebei Shouguang Qian'an Steel Co.,Ltd. Patentee before: SHOUGANG Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |