CN202271551U - Connecting structure for connecting piston and sliding block of hydraulic machine - Google Patents
Connecting structure for connecting piston and sliding block of hydraulic machine Download PDFInfo
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- CN202271551U CN202271551U CN2011203973156U CN201120397315U CN202271551U CN 202271551 U CN202271551 U CN 202271551U CN 2011203973156 U CN2011203973156 U CN 2011203973156U CN 201120397315 U CN201120397315 U CN 201120397315U CN 202271551 U CN202271551 U CN 202271551U
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- spherical surface
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- concave spherical
- hydraulic machine
- piston
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Abstract
The utility model relates to a hydraulic machine, and provides a connecting structure for connecting a piston and a sliding block of the hydraulic machine. The connecting structure comprises an adjusting block and a supporting block, wherein the adjusting block and the supporting block are respectively provided with a convex spherical surface and a concave spherical surface which are in hinged matching. When the connecting structure is used, the adjusting block is arranged on the sliding block, the supporting block is arranged on the piston, and the adjusting block and the supporting block form a universal spherical hinge by the convex spherical surface and the concave spherical surface which are in hinged matching; when errors occur in the parallelism of the contact surface, the sliding block and the piston can carry out self adaptation by matching of the convex spherical surface and the concave spherical surface, so that the uniform stressing at the two ends of the piston is guaranteed; and after the sliding block and the piston are inclined, the sliding block is subjected to the lateral force of an oil cylinder and can carry out effective resistance by a rack, so that the generation of eccentric loading is effectively avoided. The connecting structure is applicable to various hydraulic machines.
Description
Technical field
The utility model relates to hydraulic press, especially a kind of syndeton that is used to connect hydraulic machine piston and slide block.
Background technology
Hydraulic press comprises four-column hydraulic press, C type hydraulic machine, and oil cylinder piston and slide block are generally plane contact.In the course of work, slide block receives the constraint of guiding mechanisms such as guide upright post, and oil cylinder piston is retrained by cylinder body, thereby has guaranteed contacting and contact-making surface parallel of piston and slide block.But because the skew of slide block, compressive deformation etc. in making, alignment error and the course of work; Usually there is certain parallelism error between oil cylinder piston and slide block contact-making surface; This parallelism error causes oil cylinder piston two ends unbalance stress; Form the unbalance loading of oil cylinder, cause the damage that seals between oil cylinder piston and cylinder body, cause leakage of oil; Even cause the increase of fit clearance between oil cylinder piston and cylinder body, cause the damage of equipment.
The utility model content
The utility model technical problem to be solved provide a kind of can be from the syndeton that is used to be connected hydraulic machine piston and slide block of fitting parallelism error between oil cylinder piston and slide block contact-making surface.
The utility model solves the technical scheme that its technical problem adopted: be used to connect the syndeton of hydraulic machine piston and slide block, comprise adjustment piece and back-up block, be respectively arranged with the protruding sphere and the concave spherical surface of hinged cooperation on said adjustment piece and the back-up block.
Further, said protruding sphere and concave spherical surface are the sphere less than hemisphere, are provided with the backhaul position limiting structure between said adjustment piece and the back-up block.
Further, be provided with the position limiting structure of corresponding protruding sphere and concave spherical surface rotational limitation.
As a kind of optional scheme; Said backhaul position limiting structure comprises caging bolt, stop nut and limiting plate; Wherein caging bolt is fixed on the adjustment piece, limiting plate is fixed on the back-up block; Said limiting plate is provided with the aperture greater than the caging bolt external diameter, less than the spacing hole of stop nut external diameter, and said caging bolt passes spacing hole, and the spacing hole both sides are respectively arranged with the stop nut that matches with caging bolt; Constitute the position limiting structure of corresponding protruding sphere and concave spherical surface rotational limitation by spacing hole and caging bolt.
As a kind of preferred scheme, said backhaul position limiting structure is a spring-backed quill, and said spring-backed quill two ends are individually fixed in adjustment piece and back-up block, and said protruding sphere and concave spherical surface are positioned at spring-backed quill.Further, said spring-backed quill is made up of elastic bellows.Further, constitute grease pocket by the spring-backed quill encirclement, said adjustment piece or back-up block are provided with oil filler point and the oiling pipeline that between protruding sphere and concave spherical surface mating surface, injects lubricating grease.
Further, the edge that the edge of said protruding sphere is provided with the inclined-plane of ring-type, concave spherical surface is provided with the plane of ring-type, is made up of the position limiting structure of the contact matching of corresponding protruding sphere and concave spherical surface rotational limitation plane and inclined-plane.
The beneficial effect of the utility model is: during use; To adjust piece is installed on the slide block; Back-up block is installed on the piston, and adjustment piece and back-up block be through the protruding sphere and the concave spherical surface formation universal spherical joint of hinged cooperation, when the parallelism error of contact-making surface appears in slide block and piston; Can carry out self adaptation through the cooperation of protruding sphere and concave spherical surface, thereby guarantee that the piston two ends are stressed evenly; And after both inclinations, slide block receives the side force of oil cylinder, can effectively resist through frame, has therefore effectively avoided the generation of unbalance loading.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
As shown in Figure 1, the utility model 1, be used to connect the syndeton of hydraulic machine piston and slide block, comprise adjustment piece 1 and back-up block 2, be respectively arranged with the protruding sphere 11 and concave spherical surface 21 of hinged cooperation on said adjustment piece 1 and the back-up block 2.
During use; To adjust piece 1 is installed on the slide block; Back-up block 2 is installed on the piston 7, and adjustment piece 1 and the protruding sphere 11 and concave spherical surface 21 formation universal spherical joints of back-up block 2 through hinged cooperation are when both the parallelism error of contact-making surface occurs when slide block and piston 7; Can carry out self adaptation through the cooperation of protruding sphere 11 and concave spherical surface 21, thereby guarantee that piston 7 two ends are stressed evenly; And after both inclinations, slide block receives the side force of oil cylinder, can effectively resist through frame, has therefore effectively avoided the generation of unbalance loading.
In order to simplify making, convenient for assembly, strengthen the support strength of protruding sphere 11 and concave spherical surface 21 self, said protruding sphere 11 is the sphere less than hemisphere with concave spherical surface 21; But because protruding sphere 11 is the sphere less than hemisphere with concave spherical surface 21; During the hydraulic press backhaul; Protruding sphere 11 does not have constraint each other with concave spherical surface 21; In order to guarantee slide block and of the servo-actuated of adjustment piece 1, be provided with the backhaul position limiting structure between said adjustment piece 1 and the back-up block 2, the servo-actuated constraint mechanism when constituting backhaul through the backhaul position limiting structure with back-up block 2 and piston 3.Generally, the parallelism error of slide block and piston 7 both contact-making surfaces is less, can satisfy the requirement that self adaptation is regulated less than the protruding sphere 11 of hemisphere and the cooperation slewing area of concave spherical surface 21.
In order further to limit the cooperation slewing area of protruding sphere 11 and concave spherical surface 21; Avoided rotating the damage that causes protruding sphere 11 and concave spherical surface 21; And the excessive distortion that causes frame of side force, be provided with the position limiting structure of corresponding protruding sphere 11 and concave spherical surface 21 rotational limitation.
The backhaul position limiting structure can adopt axial limiting structure arbitrarily; As a kind of selectable scheme; Said backhaul position limiting structure comprises caging bolt, stop nut and limiting plate, and wherein caging bolt is fixed on the adjustment piece 1, limiting plate is fixed on the back-up block 2, and said limiting plate is provided with the aperture greater than the caging bolt external diameter, less than the spacing hole of stop nut external diameter; Said caging bolt passes spacing hole, and the spacing hole both sides are respectively arranged with the stop nut that matches with caging bolt; Constitute the position limiting structure of corresponding protruding sphere 11 and concave spherical surface 21 rotational limitation by spacing hole and caging bolt.In instance as shown in the figure, said backhaul position limiting structure is a spring-backed quill 3, and said spring-backed quill 3 two ends are individually fixed in adjustment piece 1 and back-up block 2, and said protruding sphere 11 is positioned at spring-backed quill 3 with concave spherical surface 21.Concrete, in instance as shown in the figure, said spring-backed quill 3 is made up of elastic bellows.
Further, in instance as shown in the figure, constitute grease pocket 6 by spring-backed quill 3 encirclements, said adjustment piece 1 or back-up block 2 are provided with oil filler point 4 and the oiling pipeline 5 that between protruding sphere 11 and concave spherical surface 21 mating surfaces, injects lubricating grease.Lubricating grease can also guarantee the relation of following up of back-up block 2, regulating block 1 through viscous effect when backhaul except can playing lubricated effect.
Further; For simplified structure; In instance as shown in the figure; The edge of said protruding sphere 11 is provided with the inclined-plane 12 of ring-type, the edge of concave spherical surface 21 is provided with the plane 22 of ring-type, is made up of the position limiting structure of the contact matching of corresponding protruding sphere 11 and concave spherical surface 21 rotational limitation plane 22 and inclined-plane 12.
Claims (8)
1. be used to connect the syndeton of hydraulic machine piston and slide block, it is characterized in that: comprise adjustment piece (1) and back-up block (2), be respectively arranged with the protruding sphere (11) and the concave spherical surface (21) of hinged cooperation on said adjustment piece (1) and the back-up block (2).
2. the syndeton that is used to connect hydraulic machine piston and slide block as claimed in claim 1 is characterized in that: said protruding sphere (11) and concave spherical surface (21) are the sphere less than hemisphere, are provided with the backhaul position limiting structure between said adjustment piece (1) and the back-up block (2).
3. the syndeton that is used to connect hydraulic machine piston and slide block as claimed in claim 2 is characterized in that: the position limiting structure that is provided with corresponding protruding sphere (11) and concave spherical surface (21) rotational limitation.
4. the syndeton that is used to connect hydraulic machine piston and slide block as claimed in claim 3; It is characterized in that: said backhaul position limiting structure comprises caging bolt, stop nut and limiting plate; Wherein caging bolt is fixed on that adjustment piece (1) is gone up, limiting plate is fixed on the back-up block (2); Said limiting plate is provided with the aperture greater than the caging bolt external diameter, less than the spacing hole of stop nut external diameter; Said caging bolt passes spacing hole, and the spacing hole both sides are respectively arranged with the stop nut that matches with caging bolt; Constitute the position limiting structure of corresponding protruding sphere (11) and concave spherical surface (21) rotational limitation by spacing hole and caging bolt.
5. like claim 2 or the 3 described syndetons that are used to connect hydraulic machine piston and slide block; It is characterized in that: said backhaul position limiting structure is spring-backed quill (3); Said spring-backed quill (3) two ends are individually fixed in adjustment piece (1) and back-up block (2), and said protruding sphere (11) and concave spherical surface (21) are positioned at spring-backed quill (3).
6. the syndeton that is used to connect hydraulic machine piston and slide block as claimed in claim 5 is characterized in that: said spring-backed quill (3) is made up of elastic bellows.
7. the syndeton that is used to connect hydraulic machine piston and slide block as claimed in claim 5; It is characterized in that: surround formation grease pocket (6) by spring-backed quill (3), said adjustment piece (1) or back-up block (2) are provided with oil filler point (4) and the oiling pipeline (5) that between protruding sphere (11) and concave spherical surface (21) mating surface, injects lubricating grease.
8. the syndeton that is used to connect hydraulic machine piston and slide block as claimed in claim 5; It is characterized in that: the edge of said protruding sphere (11) is provided with the inclined-plane (12) of ring-type, the edge of concave spherical surface (21) is provided with the plane (22) of ring-type, is made up of the position limiting structure of the contact matching of corresponding protruding sphere (11) and concave spherical surface (21) rotational limitation plane (22) and inclined-plane (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203973156U CN202271551U (en) | 2011-10-18 | 2011-10-18 | Connecting structure for connecting piston and sliding block of hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203973156U CN202271551U (en) | 2011-10-18 | 2011-10-18 | Connecting structure for connecting piston and sliding block of hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202271551U true CN202271551U (en) | 2012-06-13 |
Family
ID=46191936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203973156U Expired - Fee Related CN202271551U (en) | 2011-10-18 | 2011-10-18 | Connecting structure for connecting piston and sliding block of hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202271551U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889296A (en) * | 2012-10-30 | 2013-01-23 | 敦化市亚联机械制造有限公司 | Cross-shaped universal shaft hinging device for double-steel-strip press |
| CN102950181A (en) * | 2012-12-10 | 2013-03-06 | 天水锻压机床(集团)有限公司 | Slide block spherical floating connecting structure of large-tonnage bending machine |
| CN103644300A (en) * | 2013-12-31 | 2014-03-19 | 山东晨钟机械股份有限公司 | Self-adaption installation error sealing device |
| CN105057119A (en) * | 2015-09-11 | 2015-11-18 | 戴杰 | Rotating drum upper bearing device |
| WO2016201883A1 (en) * | 2015-06-17 | 2016-12-22 | 江苏中威重工机械有限公司 | Connecting apparatus for oil cylinder and sliding block |
| CN108098393A (en) * | 2018-01-02 | 2018-06-01 | 中电智能卡有限责任公司 | Applied to the card support platform of smart card slotter and smart card slotter |
-
2011
- 2011-10-18 CN CN2011203973156U patent/CN202271551U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889296A (en) * | 2012-10-30 | 2013-01-23 | 敦化市亚联机械制造有限公司 | Cross-shaped universal shaft hinging device for double-steel-strip press |
| CN102889296B (en) * | 2012-10-30 | 2014-12-24 | 敦化市亚联机械制造有限公司 | Cross-shaped universal shaft hinging device for double-steel-strip press |
| CN102950181A (en) * | 2012-12-10 | 2013-03-06 | 天水锻压机床(集团)有限公司 | Slide block spherical floating connecting structure of large-tonnage bending machine |
| CN102950181B (en) * | 2012-12-10 | 2015-08-05 | 天水锻压机床(集团)有限公司 | Large-tonnage slider of bender spherical floating draw bail |
| CN103644300A (en) * | 2013-12-31 | 2014-03-19 | 山东晨钟机械股份有限公司 | Self-adaption installation error sealing device |
| WO2016201883A1 (en) * | 2015-06-17 | 2016-12-22 | 江苏中威重工机械有限公司 | Connecting apparatus for oil cylinder and sliding block |
| CN105057119A (en) * | 2015-09-11 | 2015-11-18 | 戴杰 | Rotating drum upper bearing device |
| CN108098393A (en) * | 2018-01-02 | 2018-06-01 | 中电智能卡有限责任公司 | Applied to the card support platform of smart card slotter and smart card slotter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120613 Termination date: 20161018 |