CN211179338U - Compression-shear testing machine and vertical loading device thereof - Google Patents
Compression-shear testing machine and vertical loading device thereof Download PDFInfo
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- CN211179338U CN211179338U CN201922185673.XU CN201922185673U CN211179338U CN 211179338 U CN211179338 U CN 211179338U CN 201922185673 U CN201922185673 U CN 201922185673U CN 211179338 U CN211179338 U CN 211179338U
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Abstract
The utility model relates to a compression shear test machine and vertical loading device thereof, including base and crossbeam, still include along the four group's of left and right direction interval arrangement stands, every group stand all includes two front and back interval arrangement's stand, the base sets up in the bottom of each stand, the crossbeam sets up in the upper end of stand, still install vertical arrangement's first working cylinder on the crossbeam, second working cylinder and third working cylinder, each working cylinder sets up respectively between corresponding adjacent two sets of stands, it is equipped with the centre sill to follow upper and lower direction removal on the corresponding stand, the centre sill is located between crossbeam and the base, be provided with on the crossbeam and be used for promoting the centre sill hoist mechanism of centre sill is provided with detachable connection structure between the action output of centre sill and each working cylinder. The utility model discloses when can realizing many pressure output, two stands of each working cylinder sharing, every working cylinder all has four stands of correspondence to undertake its reaction force, guarantees the stability of its work.
Description
Technical Field
The utility model relates to a press and shear testing machine and vertical loading device for carrying out mechanical properties to rubber support and detect.
Background
The existing compression-shear testing machine comprises a vertical loading device and a horizontal loading device, wherein the horizontal loading device is used for applying vertical loading force to a rubber support, the horizontal loading device is used for applying horizontal shearing force to the rubber support, the vertical loading device per se is a four-column type press machine, and comprises a frame, the frame comprises a base, four vertical columns are arranged on the base, a cross beam is arranged on each column, a vertically arranged working cylinder is arranged on the cross beam, and a piston rod of each working cylinder stretches out to apply pressure to a workpiece to be tested during use.
The problems of the existing press are that: the four upright columns ensure the stability of the cross beam when the cross beam is subjected to the reaction force of the working cylinders, but the maximum output pressure of the working cylinders is constant, if the working cylinder with the larger maximum output pressure is selected, some low-pressure tests cannot be completed, and if the working cylinder with the smaller maximum output pressure is selected, some high-pressure tests cannot be completed, so that in the prior art, at least two pressure testing machines with different output tonnage of the working cylinders are generally required to be prepared to cover the whole pressure testing range, the occupied area is larger, and the testing cost of manufacturers is greatly increased; in addition, the manufacturing difficulty and cost of the ultra-large tonnage working cylinder are far lower tonnage working cylinders, for example, 20MN working cylinders are common in the prior art, but 60MN working cylinders are rare.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vertical loading device with variable maximum output pressure; an object of the utility model is to provide an use this vertical loading device's pressure to cut testing machine still.
For solving the technical problem, the utility model discloses well vertical loading device's technical scheme as follows:
the utility model provides a vertical loading device, including base and crossbeam, still include along four group's stands of left right direction interval arrangement, every group stand all includes two front and back interval arrangement's stand, the base sets up in the bottom of each stand, the crossbeam sets up in the upper end of stand, still install vertical arrangement's first working cylinder on the crossbeam, second working cylinder and third working cylinder, each working cylinder sets up respectively between corresponding adjacent two sets of stands, it is equipped with the centre sill to follow upper and lower direction removal on the corresponding stand, the centre sill is located between crossbeam and the base, be provided with on the crossbeam and be used for promoting the centre sill hoist mechanism of centre sill is provided with detachable connection structure between the action output of centre sill and each working cylinder.
The maximum output pressure of each working cylinder is 20 MN.
The upright columns of the groups of upright columns which are positioned at the front are arranged on the same straight line, and the upright columns of the groups of upright columns which are positioned at the rear are arranged on the same straight line.
The middle beam lifting mechanism comprises vertical lifting cylinders arranged at two ends of the cross beam.
The middle beam is rotatably provided with a guide roller which is matched with the corresponding upright post in a rolling way to realize the up-and-down movement and guide of the middle beam.
The utility model discloses medium pressure shearing test machine's technical scheme does:
the utility model provides a compression shear testing machine, including horizontal loading device and vertical loading device, vertical loading device includes base and crossbeam, vertical loading device still includes four group's stands along left right direction interval arrangement, every group stand all includes two front and back interval arrangement's stand, the base sets up in the bottom of each stand, the crossbeam sets up in the upper end of stand, still install vertical arrangement's first working cylinder on the crossbeam, second working cylinder and third working cylinder, each working cylinder sets up respectively between corresponding adjacent two sets of stands, it is equipped with the centre sill to correspond to move along upper and lower direction on the stand, the centre sill is located between crossbeam and the base, be provided with on the crossbeam and be used for promoting the centre sill hoist mechanism of centre sill is provided with detachable connection structure between the action output of centre sill and each working cylinder.
The maximum output pressure of each working cylinder is 20 MN.
The upright columns of the groups of upright columns which are positioned at the front are arranged on the same straight line, and the upright columns of the groups of upright columns which are positioned at the rear are arranged on the same straight line.
The middle beam lifting mechanism comprises vertical lifting cylinders arranged at two ends of the cross beam.
The middle beam is rotatably provided with a guide roller which is matched with the corresponding upright post in a rolling way to realize the up-and-down movement and guide of the middle beam.
The utility model has the advantages that: when the utility model is used, the middle beam can be lifted up and down to adjust the position under the drive of the middle beam lifting mechanism, when the middle beam moves downwards to a low position, namely, when the middle beam is supported on the base, the middle beam can be used as the bottom support of a workpiece at the moment, each working cylinder can independently output pressure, when the middle beam moves upwards to a high position, the middle beam is connected with the action output ends of two or three working cylinders through the detachable connection structure, and the work of the two working cylinders or the work of the three working cylinders can respectively realize different pressure outputs; each working cylinder is respectively arranged between two corresponding adjacent groups of stand columns, when the working cylinders are subjected to reaction force, the reaction force applied to the working cylinders is borne by the four stand columns, the stability of the working cylinders during working is ensured, the two adjacent working cylinders share the two stand columns, the use amount of the stand columns is reduced on the whole, and the cost of the product is reduced.
Drawings
FIG. 1 is a diagram illustrating an operation state of an embodiment of the medium pressure shear tester of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is the utility model discloses in, when the centre sill was in the high position, the service condition chart of press shear test machine.
Detailed Description
An embodiment of a compression shear test machine is shown in FIGS. 1 to 3: the 6000 tons of compression shear testing machine that compression shear testing machine in this embodiment can reach 60NM for vertical loading power is the biggest, including horizontal loading device and vertical loading device, vertical loading device includes base 11, crossbeam 2 and along the four groups stands of left and right directions interval arrangement, every group stand all includes two front and back interval arrangement's stand 12, two stands in the every group stand of definition are front column and back stand respectively, in this embodiment, the front column in each group stand is on the same straight line of left and right directions, the back stand in each group stand is on the same straight line of left and right directions. The base 11 is fixed to the bottom of the columns 12 and the cross beam 2 is fixed to the upper end of each column 12. Still install vertical arrangement's first working cylinder 13 on crossbeam 2, second working cylinder 14 and third working cylinder 15, each working cylinder sets up respectively between corresponding adjacent two sets of stands, in this embodiment, the piston stroke of working cylinder is 1200~1500mm, first working cylinder, second working cylinder and third work are the pneumatic cylinder that maximum output pressure is 20MN, be connected with pressure disk 3 on the piston rod of each working cylinder, be provided with pressure sensor on the pressure disk, the action output of pressure disk constitution working cylinder. The vertical loading device further comprises an intermediate beam 10 which is assembled on each upright column in a guiding and moving mode along the vertical direction, the intermediate beam 10 is located between the base 11 and the cross beam 2, in the embodiment, upright column through holes 6 for the corresponding upright columns to pass through are formed in the intermediate beam 10, guide rollers 7 which are matched with the upright columns in a rolling mode are rotatably assembled in the upright column through holes in the intermediate beam, the guide rollers are arranged in pairs, two guide rollers in each pair of guide rollers are located on the left side and the right side of the corresponding upright column respectively, and the guide matching between the intermediate beam 10 and the upright columns 12 is achieved through the rolling matching between the guide rollers 7 and the corresponding upright columns 12.
The crossbeam 2 is provided with a middle beam lifting mechanism for lifting the middle beam, and a detachable connection structure is arranged between the middle beam 10 and the action output end of each working cylinder, wherein the detachable connection structure in the embodiment is a bolt detachable connection structure. In this embodiment, the middle beam lifting mechanism includes two vertical lifting cylinders 1 disposed at both ends of the cross beam, and each end of the cross beam 2 includes two vertical lifting cylinders 1, and the total of the four vertical lifting cylinders are used for lifting the middle beam. The detachable connection structure comprises a bolt perforation which is arranged on the pressure plate 3 and extends along the up-down direction, and the detachable connection structure further comprises a threaded hole which is arranged on the intermediate beam and corresponds to the bolt perforation, so that the connecting bolt 16 can penetrate through the bolt perforation and the threaded hole during use to fix the intermediate beam 10 on the pressure plate 3.
Horizontal loading device includes the shear plate of level setting and to the shear plate 5 horizontal shear pneumatic cylinder (not shown in the figure) of applying fore-and-aft direction effort, and the axis of horizontal shear pneumatic cylinder extends the setting along the fore-and-aft direction, and in this embodiment, the shear plate has threely, and the horizontal shear pneumatic cylinder that corresponds also has threely, three horizontal shear pneumatic cylinder respectively with correspond shear plate releasable connection. Item 9 in the figure shows a movable moving platform, the bottom of the moving platform 9 is matched with a base in a left-right direction in a guiding and moving mode, and item 8 shows a cushion block on the moving platform, and the moving platform 9 can be moved away from the base. The height of the spacer block is 500mm, so that the maximum vertical space below the piston rod can be up to 2000 mm.
When carrying out the double shear test, as shown in fig. 1, the centre sill 10 supports on base 11, each vertical lifting cylinder 1 is out of work, every working cylinder can accomplish the vertical loading of two rubber support simultaneously, rubber support 4 is placed respectively in the upper and lower both sides of shear plate 5, the working cylinder exerts vertical loading power to rubber support 4, the horizontal shear pneumatic cylinder that is located vertical loading device front side passes through the shear plate and applys fore-and-aft direction shearing force to rubber support, thereby accomplish the pressure shear test to rubber support, an equipment can carry out the pressure shear test to six rubber support simultaneously, efficiency of the test is higher, and complete machine area is less.
When the single shear test is required, a shear plate is not required to be arranged, the rubber support is directly arranged between the moving platform and the corresponding press plate, the horizontal shear hydraulic cylinder extending along the left and right directions by using the axis is connected with the moving platform, and the horizontal shear force in the left and right directions is applied to the rubber support through the moving platform.
When 60MN large-tonnage vertical loading is required, as shown in FIG. 3, the moving platform is moved away, the middle beam 10 is lifted to a high position by the vertical lifting cylinder 1, the connecting bolt 16 penetrates through the bolt through hole of the pressing plate and the threaded hole on the middle beam to fix the middle beam 10 on the three pressing plates 3, then the vertical lifting cylinder 1 does not work any more, the moving platform 9 is moved to the base 11, the three working cylinders work simultaneously, 60MN vertical loading force can be output, and a large-tonnage vertical loading test is realized.
In other embodiments of the present invention: the threaded hole on the middle beam can also be a bolt through hole, at the moment, a bolt can be arranged on the middle beam and the pressure plate in a penetrating way, and then the middle beam and the pressure plate are connected in a locking nut mode at one end of the bolt; the output pressure of each working cylinder can be set according to the requirement, for example, 10MN, the output pressure of the second working cylinder can be different from the output pressure of the first working cylinder and the third working cylinder, and at the moment, when the large-tonnage pressure is output, only the middle beam is connected with the pressure plates of the first working cylinder and the third working cylinder; the vertical lifting mechanism can also be a lifting winch; the guide between the middle beam and the upright column can also be a hole and column guide structure; the cross beam can also be assembled on the upright post in a guiding and moving way.
The embodiment of the vertical loading device is shown in figures 1-3: the specific structure of the vertical loading device is the same as that of the vertical loading device in each of the embodiments of the compression-shear testing machine described above, and details are not described here. In this embodiment, the vertical loading device can be used as a common press.
Claims (8)
1. The utility model provides a vertical loading device, includes base and crossbeam, its characterized in that: still include along the four group's of left and right direction interval arrangement stand, every group stand all includes two front and back interval arrangement's stand, the base sets up in the bottom of each stand, the crossbeam sets up in the upper end of stand, still installs vertical arrangement's first working cylinder, second working cylinder and third working cylinder on the crossbeam, each working cylinder sets up respectively between corresponding adjacent two sets of stands, it is equipped with the centre sill to follow upper and lower direction removal on the corresponding stand, the centre sill is located between crossbeam and the base, is provided with on the crossbeam to be used for promoting the centre sill hoist mechanism of centre sill is provided with detachable connection structure between the action output of centre sill and each working cylinder.
2. The vertical loading device of claim 1, wherein: the maximum output pressure of each working cylinder is 20 MN.
3. The vertical loading device of claim 1, wherein: the middle beam lifting mechanism comprises vertical lifting cylinders arranged at two ends of the cross beam.
4. The vertical loading device of any one of claims 1 to 3, wherein: the middle beam is rotatably provided with a guide roller which is matched with the corresponding upright post in a rolling way to realize the up-and-down movement and guide of the middle beam.
5. The utility model provides a compression shear testing machine, includes horizontal loading device and vertical loading device, and vertical loading device includes base and crossbeam, its characterized in that: vertical loading device still includes along the four group's of left and right directions interval arrangement stand, every group stand all includes two front and back interval arrangement's stand, the base sets up in the bottom of each stand, the crossbeam sets up in the upper end of stand, still installs vertical arrangement's first working cylinder, second working cylinder and third working cylinder on the crossbeam, each working cylinder sets up respectively between corresponding adjacent two sets of stands, it is equipped with the centre sill to follow upper and lower direction removal on the corresponding stand, the centre sill is located between crossbeam and the base, be provided with on the crossbeam and be used for promoting the centre sill hoisting mechanism of centre sill is provided with detachable connection structure between the action output of centre sill and each working cylinder.
6. The compression-shear test machine according to claim 5, wherein: the maximum output pressure of each working cylinder is 20 MN.
7. The compression-shear test machine according to claim 5, wherein: the middle beam lifting mechanism comprises vertical lifting cylinders arranged at two ends of the cross beam.
8. The compression-shear test machine according to any one of claims 5 to 7, wherein: the middle beam is rotatably provided with a guide roller which is matched with the corresponding upright post in a rolling way to realize the up-and-down movement and guide of the middle beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922185673.XU CN211179338U (en) | 2019-12-09 | 2019-12-09 | Compression-shear testing machine and vertical loading device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922185673.XU CN211179338U (en) | 2019-12-09 | 2019-12-09 | Compression-shear testing machine and vertical loading device thereof |
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| Publication Number | Publication Date |
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| CN211179338U true CN211179338U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922185673.XU Active CN211179338U (en) | 2019-12-09 | 2019-12-09 | Compression-shear testing machine and vertical loading device thereof |
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| Country | Link |
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| CN (1) | CN211179338U (en) |
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- 2019-12-09 CN CN201922185673.XU patent/CN211179338U/en active Active
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