CN202322195U - Stable jack oil cylinder - Google Patents
Stable jack oil cylinder Download PDFInfo
- Publication number
- CN202322195U CN202322195U CN2011205130450U CN201120513045U CN202322195U CN 202322195 U CN202322195 U CN 202322195U CN 2011205130450 U CN2011205130450 U CN 2011205130450U CN 201120513045 U CN201120513045 U CN 201120513045U CN 202322195 U CN202322195 U CN 202322195U
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- China
- Prior art keywords
- cylinder barrel
- cylinder
- brake
- movable
- assembly
- 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 stable jack oil cylinder, which comprises a fixed cylinder barrel assembly, a movable cylinder barrel assembly, a brake assembly and a supporting seat assembly, wherein the fixed cylinder barrel assembly comprises a fixed cylinder barrel and a brake installation seat which is arranged at the lower part of the fixed cylinder barrel; the movable cylinder barrel assembly is movably installed in the fixed cylinder barrel assembly and comprises a movable cylinder barrel which is arranged in the cavity of the fixed cylinder barrel, a movable cylinder barrel piston which is arranged in the cavity of the movable cylinder barrel and a hydraulic pipeline which is arranged in the movable cylinder barrel piston, wherein the movable cylinder barrel piston comprises a piston head and a piston rod; the brake assembly is installed on the brake installation seat and is provided with brake friction pads used for resisting the movable cylinder barrel; and the supporting seat assembly is connected with a universal connecting piece at the bottom of the movable cylinder barrel. By arranging a brake on the fixed cylinder barrel to lock the movable cylinder barrel, the movable cylinder barrel can be stably stopped and fixed at any position within the stroke and the performance is reliable and stable.
Description
Technical field
The utility model relates to a kind of oil cylinder technology, is specifically related to a kind of stable jack cylinder.
Background technology
Jack is the equipment that is used to support weight that people knew; And there is stable inadequately problem mostly in existing jack mailbox; Be to stablize after it stretches out to rest on the position that certain need be fixed, therefore, often have influence on the safety and the stability of actual job operation; And some war industry equipment is then higher to the stable requirement of jack, and therefore traditional jack oil cylinder structure can not satisfy the requirement of stability.
The utility model content
The purpose of the utility model is to the problems referred to above weak point, provide a kind of can be at the jack cylinder that makes jack optional position held stationary in stroke.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of stable jack cylinder, it comprises: the stator bore assembly includes stator bore and the drg mount pad of being located at the stator bore bottom; Movable cylinder assembly; This activity cylinder assembly is movably arranged on the inside of stator bore assembly; It comprises the movable cylinder barrel of being located at the stator bore inner chamber, is located at the movable piston cylinder of movable inner cavity of cylinder and is located at movable piston cylinder in-to-in hydraulic tubing, and said movable piston cylinder comprises piston head and piston rod; Brake assembly, it is installed on the drg mount pad, and it is provided with the drag friction piece that is used for the movable cylinder barrel of roof pressure; And the supporting seat assembly, it is connected with the cylinder bottom universal connecting components of movable cylinder barrel.
Further, above-mentioned brake assembly is the hydraulic brake assembly, comprising: the drg cylinder barrel, and it is captiveed joint with the drg mount pad; Brake plunger, it is installed in the drg cylinder barrel, and it comprises brake piston head and brake piston bar; Brake nut, its sky are enclosed within on the brake piston bar and through being threadedly connected to the brake cylinder tube inner chamber; The dish spring abutment, it is installed in the rear end of brake piston bar; The dish spring, it is located between dish spring abutment and the drg cylinder barrel; Bonnet, it is located at the end of drg cylinder barrel; The drg one-way throttle valve; It is connected with the brake cylinder tube inner chamber through oil pipe line.
As preferably, said drg mount pad is provided with two seats is installed, and each is installed seat and connects one group of brake assembly.
Further concrete, said movable inner cavity of cylinder is divided into has bar inner chamber and no bar inner chamber, the said top that has the bar inner chamber to be positioned at piston head; Said no bar inner chamber is positioned at the below of piston head.
As preferably, said hydraulic tubing is divided into first pipeline and second pipeline, and first pipeline is connected with the bar inner chamber, and second pipeline connects no bar inner chamber.
Further concrete, said piston rod rear portion is connected with stator bore through flange.
Further, the top of said hydraulic tubing is equipped with a hydraulic control one-way valve.
As preferably, be provided with copper sheathing and spacer between said drg mount pad and the movable cylinder barrel.
As preferably, the outside face of said movable cylinder barrel is provided with the nano combined chromium electroplated coating of a wear resistant corrosion resistant.
The utility model is employed in stator bore and drg is set movable cylinder barrel is locked, movable cylinder barrel can be in stroke the optional position is stable stops fixingly, dependable performance is stable.
Description of drawings
Fig. 1 is the utility model external structure scheme drawing.
Fig. 2 is the utility model inner structure cutaway view.
Fig. 3 is the A-A section drawing of Fig. 2.
Fig. 4 is the said brake assembly cutaway view of the utility model.
Fig. 5 is the said stator bore component internal of a utility model structure cutaway view.
Fig. 6 is the said movable cylinder assembly inner structure cutaway view of the utility model.
Come the utility model is further described below in conjunction with the accompanying drawing and the specific embodiment:
The specific embodiment
Shown in Fig. 1 to 6, the described a kind of stable jack cylinder of the utility model, it comprises stator bore assembly 1, movable cylinder assembly 2, brake assembly 3 and supporting seat assembly 4, its concrete structure is following:
Like Fig. 2, shown in 3 and 5, said fixing cylinder assembly 1 includes stator bore 11 and the drg mount pad 12 of being located at stator bore 11 bottoms; Further, the upper end of stator bore 11 be welded with one be used for installation activity cylinder assembly 2 flange 13.
Like Fig. 2, shown in 3 and 6; Said movable cylinder assembly 2 is movably arranged on the inside of stator bore assembly 1; It comprises the movable cylinder barrel 21 of being located at stator bore 11 inner chambers, is located at the movable piston cylinder 22 of movable cylinder barrel 21 inner chambers and is located at movable piston cylinder 22 in-to-in hydraulic tubings 23, and said movable piston cylinder 22 comprises piston head 221 and piston rod 222; Further, said movable cylinder barrel 21 inner chambers are divided into has bar inner chamber and no bar inner chamber, the said top that has the bar inner chamber to be positioned at piston head; Said no bar inner chamber is positioned at the below of piston head.Said hydraulic tubing 23 is divided into first pipeline 231 and second pipeline 232, forms the turnover pipeline structure, and wherein first pipeline 231 is connected with the bar inner chamber, and second pipeline 232 connects no bar inner chamber.The top of said hydraulic tubing 23 is equipped with a hydraulic control one-way valve 5.Above-mentioned hydraulic tubing 23 with form an inner loop hydraulic circuit system by bar inner chamber and no bar inner chamber.Further concrete, said piston rod 222 rear portions are connected with stator bore 11 through flange 13, and the outside face of said movable cylinder barrel 21 is provided with the nano combined chromium electroplated coating of a wear resistant corrosion resistant.
As Fig. 2,3 and shown in, said brake assembly 3 is installed on the drg mount pad 12, it is provided with the drag friction piece 39 that is used for the movable cylinder barrel of roof pressure; Further, above-mentioned brake assembly is the hydraulic brake assembly, and it also comprises: drg cylinder barrel 31, brake plunger 32, brake nut 33, dish spring abutment 34, dish spring 35, bonnet 36 and drg one-way throttle valve 37.Its concrete structure is: said drg cylinder barrel 31 is captiveed joint with drg mount pad 12; And brake plunger 32 is installed in the drg cylinder barrel 31, and it comprises brake piston head 321 and brake piston bar 322; Said brake nut 33 skies are enclosed within on the brake piston bar 322 and through being threadedly connected to drg cylinder barrel 31 inner chambers; 34 rear ends that are installed in brake piston bar 322 of said dish spring; Said dish spring 35 is located between dish spring abutment 34 and the drg cylinder barrel 31; Said bonnet 36 is located at the end of drg cylinder barrel 31; Said drg one-way throttle valve 37 is connected with drg cylinder barrel 31 inner chambers through oil pipe line 38.In order to increase the friction force of brake assembly 3 locking activity cylinder barrels 21, as preferably, said drg mount pad 12 is provided with two seats is installed, and each is installed seat and connects one group of brake assembly 3.
As illustrated in fig. 1 and 2, said supporting seat assembly is connected with the cylinder bottom universal connecting components 24 of movable cylinder barrel 21, forms universal movement support structures.
As shown in Figure 5, as preferably, be provided with copper sheathing 14 and spacer 15 between said drg mount pad 12 and the movable cylinder barrel 21.
The utility model is employed in stator bore and drg is set movable cylinder barrel is locked, movable cylinder barrel can be in stroke the optional position is stable stops fixingly, dependable performance is stable.
Claims (9)
1. stable jack cylinder is characterized in that comprising:
The stator bore assembly includes stator bore and the drg mount pad of being located at the stator bore bottom;
Movable cylinder assembly; This activity cylinder assembly is movably arranged on the inside of stator bore assembly; It comprises the movable cylinder barrel of being located at the stator bore inner chamber, is located at the movable piston cylinder of movable inner cavity of cylinder and is located at movable piston cylinder in-to-in hydraulic tubing, and said movable piston cylinder comprises piston head and piston rod;
Brake assembly, it is installed on the drg mount pad, and it is provided with the drag friction piece that is used for the movable cylinder barrel of roof pressure; And the supporting seat assembly, it is connected with the cylinder bottom universal connecting components of movable cylinder barrel.
2. a kind of stable jack cylinder according to claim 1, it is characterized in that: said brake assembly is the hydraulic brake assembly, comprising:
The drg cylinder barrel, it is captiveed joint with the drg mount pad;
Brake plunger, it is installed in the drg cylinder barrel, and it comprises brake piston head and brake piston bar;
Brake nut, its sky are enclosed within on the brake piston bar and through being threadedly connected to the brake cylinder tube inner chamber;
The dish spring abutment, it is installed in the rear end of brake piston bar;
The dish spring, it is located between dish spring abutment and the drg cylinder barrel;
Bonnet, it is located at the end of drg cylinder barrel;
The drg one-way throttle valve; It is connected with the brake cylinder tube inner chamber through oil pipe line.
3. a kind of stable jack cylinder according to claim 1 is characterized in that: said drg mount pad is provided with two the seat is installed, and each is installed the seat and connects one group of brake assembly.
4. a kind of stable jack cylinder according to claim 1 is characterized in that: said movable inner cavity of cylinder is divided into has bar inner chamber and no bar inner chamber, the said top that has the bar inner chamber to be positioned at piston head; Said no bar inner chamber is positioned at the below of piston head.
5. a kind of stable jack cylinder according to claim 4 is characterized in that: said hydraulic tubing is divided into first pipeline and second pipeline, and first pipeline is connected with the bar inner chamber, and second pipeline connects no bar inner chamber.
6. a kind of stable jack cylinder according to claim 1 is characterized in that: said piston rod rear portion is connected with stator bore through flange.
7. a kind of stable jack cylinder according to claim 5, it is characterized in that: the top of said hydraulic tubing is equipped with a hydraulic control one-way valve.
8. a kind of stable jack cylinder according to claim 1 is characterized in that: be provided with copper sheathing and spacer between said drg mount pad and the movable cylinder barrel.
9. a kind of stable jack cylinder according to claim 1 is characterized in that: the outside face of said movable cylinder barrel is provided with the nano combined chromium electroplated coating of a wear resistant corrosion resistant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205130450U CN202322195U (en) | 2011-12-09 | 2011-12-09 | Stable jack oil cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205130450U CN202322195U (en) | 2011-12-09 | 2011-12-09 | Stable jack oil cylinder |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202322195U true CN202322195U (en) | 2012-07-11 |
Family
ID=46434185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011205130450U Expired - Lifetime CN202322195U (en) | 2011-12-09 | 2011-12-09 | Stable jack oil cylinder |
Country Status (1)
Country | Link |
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CN (1) | CN202322195U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106382274A (en) * | 2016-11-23 | 2017-02-08 | 韶关市博仕乐液压机械制造有限公司 | Hydraulic oil cylinder with built-in circulating oil paths and horizontal supporting plate |
CN106382275A (en) * | 2016-11-23 | 2017-02-08 | 韶关市博仕乐液压机械制造有限公司 | Hydraulic oil cylinder with built-in circulating oil paths and inclined supporting plate |
CN106438566A (en) * | 2016-11-23 | 2017-02-22 | 韶关市博仕乐液压机械制造有限公司 | Hydrocylinder with built-in circular oil-way |
-
2011
- 2011-12-09 CN CN2011205130450U patent/CN202322195U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106382274A (en) * | 2016-11-23 | 2017-02-08 | 韶关市博仕乐液压机械制造有限公司 | Hydraulic oil cylinder with built-in circulating oil paths and horizontal supporting plate |
CN106382275A (en) * | 2016-11-23 | 2017-02-08 | 韶关市博仕乐液压机械制造有限公司 | Hydraulic oil cylinder with built-in circulating oil paths and inclined supporting plate |
CN106438566A (en) * | 2016-11-23 | 2017-02-22 | 韶关市博仕乐液压机械制造有限公司 | Hydrocylinder with built-in circular oil-way |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
CX01 | Expiry of patent term |