CN202507120U - Horizontal beam expansion joint based on flexible hinge structure - Google Patents
Horizontal beam expansion joint based on flexible hinge structure Download PDFInfo
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- CN202507120U CN202507120U CN2012200233493U CN201220023349U CN202507120U CN 202507120 U CN202507120 U CN 202507120U CN 2012200233493 U CN2012200233493 U CN 2012200233493U CN 201220023349 U CN201220023349 U CN 201220023349U CN 202507120 U CN202507120 U CN 202507120U
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- crossbeam
- flexible hinge
- fixed part
- connector
- column
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Abstract
The utility model relates to the technical field of gantry machine tools, particularly to a connection structure. A horizontal beam expansion joint based on a flexible hinge structure comprises a connecting piece for connecting a horizontal beam and a vertical column, wherein the connecting piece adopts a buffer cushion and comprises a vertical column fixing part and a horizontal beam fixing part; a vertical column fixing hole for being fixed with the vertical column is formed in the vertical column fixing part; a horizontal beam fixing hole for being fixed with the horizontal beam is formed in the horizontal beam fixing part; and the vertical column fixing part is connected with the horizontal beam fixing part by the flexible hinge structure. Due to the adoption of the technical scheme, the horizontal beam expansion joint is arranged between the horizontal beam and the vertical column, so that the problem of stress deformation caused by heat expansion of the horizontal beam can be effectively solved.
Description
Technical field
The utility model relates to the Longmen machine tool technical field, is specifically related to a kind of syndeton.
Background technology
The lathe size of gantry structure is bigger usually, and adopts metal material to process.With reference to Fig. 1, two columns 11 about the lathe of gantry structure mainly comprises, be arranged on the crossbeam 12 on the column 11, crossbeam 12 is high-precision structural members.Conventional engineering material all has the problem of expanded by heating distortion; Like the typical steel heat coefficient of expansion is 10 * 10-6m/m* ℃; The coefficient of expansion of aluminium alloy is 22 * 10-6m/m* ℃; Under the condition of 1 degree centigrade of the every rising of temperature, 1 meter long steel crossbeam expands 10 microns, and 1 meter long aluminium alloy crossbeam expands 22 microns.Crossbeam 12 expands and must cause corresponding stress deformation problem, causes the structural member precision to change or the way rub aggravation, and the life-span descends.
Summary of the invention
The purpose of the utility model is, a kind of crossbeam expansion joints based on the flexible hinge structure is provided, and solves above technical problem.
The technical problem that the utility model solved can adopt following technical scheme to realize:
A kind of crossbeam expansion joints based on the flexible hinge structure; It is characterized in that comprise that one is used to connect the connector of crossbeam and column, said connector adopts a cushion pad; Said connector comprises column fixed part, crossbeam fixed part; Said column fixed part is provided with and is used for and column fixing hole that column is fixing, and said crossbeam fixed part is provided with and is used for and crossbeam fixing hole that crossbeam is fixing, and employing flexible hinge structure is connected between said column fixed part and the said crossbeam fixed part.
The utility model is used for the lathe of gantry structure, and the utility model is arranged on the junction of crossbeam and column, and connector is fixed through column fixing hole and column; Fix through crossbeam fixing hole and crossbeam; Because have the flexible hinge structure between column fixed part and the crossbeam fixed part, when the crossbeam expanded by heating, flexible hinge can deform; Absorb the deflection that crossbeam expands and causes, solved the stress deformation problem that the crossbeam expanded by heating causes.
Dug at least two dashpots on the connector between said column fixed part and the said cross bar fixed part, at least two said dashpots are arranged in parallel, and form said flexible hinge structure.
Said dashpot is " 1 " font, and the end of said dashpot is provided with circular auxiliary tank; The length direction of said cushion pad is parallel with the length direction of said connector.
Two said column fixed parts are arranged on along the two ends of connector length direction, and two said flexible hinge structures are separately positioned on the inboard of two said column fixed parts, and said crossbeam fixed part is arranged between two said flexible hinge structures.
Said connector is flat-shaped rectangle, and the both sides of said connector are respectively the column fixed part, and the middle part of said connector is the crossbeam fixed part, and said flexible hinge structure is two, is separately positioned between said column fixed part and the crossbeam fixed part;
Said column fixing hole is at least two, and is evenly distributed on the both sides of said connector;
Said crossbeam fixing hole is at least two, and is evenly distributed on the inboard of flexible hinge structure.
Two said crossbeam fixed parts are arranged on along the two ends of connector length direction, and two said flexible hinge structures are separately positioned on the inboard of two said crossbeam fixed parts, and said column fixed part is arranged between two said flexible hinge structures.
When using the utility model, the length direction of cushion pad is vertical with the length direction of crossbeam, and the rigidity of structure perpendicular to the crossbeam length direction is very high like this, and is lower along the rigidity of structure of crossbeam length direction.When the crossbeam expanded by heating, the flexible hinge structure can deform along the crossbeam length direction, absorbs the deformation quantity that crossbeam expands and causes.And the structure of vertical crossbeam direction is higher because of rigidity, can keep the original relative position of crossbeam.When crossbeam shrank, the deformation quantity of flexible hinge structure recovered, and crossbeam shrinks go back to initial position and do not cause that or not loosening of structure, protection crossbeam reach relevant johning knot member, kept the quality of fit of crossbeam.
Beneficial effect: owing to adopt technique scheme, adopt the utility model to be arranged between crossbeam and the column, can effectively solve the stress deformation problem that the crossbeam expanded by heating causes.
Description of drawings
Fig. 1 is the overall structure sketch map of the lathe of gantry structure;
Fig. 2 is applied in the structure for amplifying sketch map of the lathe of gantry structure for the utility model;
Fig. 3 is the structural representation of the utility model;
Fig. 4 is the structural representation of the utility model after deforming.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand with effect and understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 2, Fig. 3, Fig. 4; A kind of crossbeam expansion joints based on the flexible hinge structure comprises that one is used to connect the connector 1 of crossbeam and column, and connector 1 adopts a cushion pad; Connector 1 comprises column fixed part 2, crossbeam fixed part 3; Column fixed part 2 is provided with and is used for and the fixing column fixing hole 21 of column 11, and crossbeam fixed part 3 is provided with and is used for the crossbeam fixing hole 31 fixing with crossbeam 12, and employing flexible hinge structure 4 is connected between column fixed part 2 and the crossbeam fixed part 3.The utility model is used for the lathe of gantry structure, and the utility model is arranged on the junction of crossbeam 12 and column 11, and connector 1 is fixing with column 11 through column fixing hole 21; Fixing through crossbeam fixing hole 31 with crossbeam 12; Because have flexible hinge structure 4 between column fixed part 2 and the crossbeam fixed part 3, when the crossbeam expanded by heating, flexible hinge can deform; Absorb the deflection that crossbeam expands and causes, solved the stress deformation problem that the crossbeam expanded by heating causes.
Dug at least two dashpots on the connector 1 between column fixed part 2 and the cross bar fixed part, at least two dashpots are arranged in parallel, and form flexible hinge structure 4.Dashpot is " 1 " font, and the end of dashpot is provided with circular auxiliary tank.The length direction of cushion pad is parallel with the length direction of connector 1.
Two column fixed parts 2 are arranged on along the two ends of connector 1 length direction, and two flexible hinge structures 4 are separately positioned on the inboard of two column fixed parts 2, and crossbeam fixed part 3 is arranged between two flexible hinge structures 4.Connector 1 is flat-shaped rectangle, and the both sides of connector 1 are respectively column fixed part 2, and the middle part of connector 1 is a crossbeam fixed part 3, and flexible hinge structure 4 is two, is separately positioned between column fixed part 2 and the crossbeam fixed part 3.Column fixing hole 21 is at least two, and is evenly distributed on the both sides of connector 1.Crossbeam fixing hole 31 is at least two, and is evenly distributed on the inboard of flexible hinge structure 4.
With reference to Fig. 3, Fig. 4, the connector 1 of the utility model can comprise two column fixed parts 2, is separately positioned on along the two ends on connector 1 length direction.Dug 21, three column fixing holes 21 of three column fixing holes on two column fixed parts 2 respectively and arrangement has all been arranged along the width of connector 1.The inboard of two column fixed parts 2 is respectively equipped with a flexible hinge structure 4, and a plurality of dashpot length directions of flexible hinge structure 4 are consistent with the length direction of connector 1.Be provided with crossbeam fixed part 3 between two flexible hinge structures 4, dug six crossbeam fixing holes 31 on the crossbeam fixed part 3 respectively.Three crossbeam fixing holes 31 are one group, are arranged in the inboard of a flexible hinge structure 4 along the width of connector 1.
Except above-mentioned design; The utility model can also adopt following structure: two crossbeam fixed parts 3 are arranged on along the two ends of connector 1 length direction; Two flexible hinge structures 4 are separately positioned on the inboard of two crossbeam fixed parts 3, and column fixed part 2 is arranged between two flexible hinge structures 4.Connector 1 is flat-shaped rectangle, and the both sides of connector 1 are respectively crossbeam fixed part 3, and the middle part of connector 1 is a column fixed part 2, and flexible hinge structure 4 is two, is separately positioned between column fixed part 2 and the crossbeam fixed part 3.Crossbeam fixing hole 31 is at least two, and is evenly distributed on the both sides of connector 1.Column fixing hole 21 is at least two, and is evenly distributed on the inboard of flexible hinge structure 4.
When using the utility model, the length direction of cushion pad is vertical with the length direction of crossbeam, and the rigidity of structure perpendicular to the crossbeam length direction is very high like this, and is lower along the rigidity of structure of crossbeam length direction.When the crossbeam expanded by heating, flexible hinge structure 4 can deform along the crossbeam length direction, absorbs the deformation quantity that crossbeam expands and causes.And the structure of vertical crossbeam direction is higher because of rigidity, can keep the original relative position of crossbeam.When crossbeam shrank, the deformation quantity of flexible hinge structure 4 recovered, and crossbeam shrinks go back to initial position and do not cause that or not loosening of structure, protection crossbeam reach relevant johning knot member, kept the quality of fit of crossbeam.
When the utility model is made, can adopt mould one time punching molded, select to have deformation material preferably, tailor the rectangle connector 1 that becomes to need size.Dig out the column fixing hole at the two ends of connector 1, dig out a plurality of dashpots that are parallel to each other in the inboard of column fixing hole, dig out the crossbeam fixing hole in the inboard of dashpot.When the utility model is made, also can adopt manufacture crafts such as mould single injection-molded.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. crossbeam expansion joints based on the flexible hinge structure; It is characterized in that comprise that one is used to connect the connector of crossbeam and column, said connector adopts a cushion pad; Said connector comprises column fixed part, crossbeam fixed part; Said column fixed part is provided with and is used for and column fixing hole that column is fixing, and said crossbeam fixed part is provided with and is used for and crossbeam fixing hole that crossbeam is fixing, and employing flexible hinge structure is connected between said column fixed part and the said crossbeam fixed part.
2. a kind of crossbeam expansion joints according to claim 1 based on the flexible hinge structure; It is characterized in that; At least two dashpots have been dug on the connector between said column fixed part and the said cross bar fixed part; At least two said dashpots are arranged in parallel, and form said flexible hinge structure.
3. a kind of crossbeam expansion joints based on the flexible hinge structure according to claim 2 is characterized in that said dashpot is " 1 " font, and the end of said dashpot is provided with circular auxiliary tank; The length direction of said cushion pad is parallel with the length direction of said connector.
4. according to claim 1,2 or 3 described a kind of crossbeam expansion joints based on the flexible hinge structure; It is characterized in that; Two said column fixed parts are arranged on along the two ends of connector length direction; Two said flexible hinge structures are separately positioned on the inboard of two said column fixed parts, and said crossbeam fixed part is arranged between two said flexible hinge structures.
5. a kind of crossbeam expansion joints according to claim 4 based on the flexible hinge structure; It is characterized in that; Said connector is flat-shaped rectangle, and the both sides of said connector are respectively the column fixed part, and the middle part of said connector is the crossbeam fixed part; Said flexible hinge structure is two, is separately positioned between said column fixed part and the crossbeam fixed part;
Said column fixing hole is at least two, and is evenly distributed on the both sides of said connector;
Said crossbeam fixing hole is at least two, and is evenly distributed on the inboard of flexible hinge structure.
6. according to claim 1,2 or 3 described a kind of crossbeam expansion joints based on the flexible hinge structure; It is characterized in that; Two said crossbeam fixed parts are arranged on along the two ends of connector length direction; Two said flexible hinge structures are separately positioned on the inboard of two said crossbeam fixed parts, and said column fixed part is arranged between two said flexible hinge structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200233493U CN202507120U (en) | 2012-01-19 | 2012-01-19 | Horizontal beam expansion joint based on flexible hinge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200233493U CN202507120U (en) | 2012-01-19 | 2012-01-19 | Horizontal beam expansion joint based on flexible hinge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202507120U true CN202507120U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200233493U Expired - Fee Related CN202507120U (en) | 2012-01-19 | 2012-01-19 | Horizontal beam expansion joint based on flexible hinge structure |
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| Country | Link |
|---|---|
| CN (1) | CN202507120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213020A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Cross beam expansion joint based on flexible hinge structure |
-
2012
- 2012-01-19 CN CN2012200233493U patent/CN202507120U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213020A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Cross beam expansion joint based on flexible hinge structure |
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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 |
Granted publication date: 20121031 Termination date: 20200119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |