CN212904266U - Hydraulic testing device capable of rotatably switching pressure heads - Google Patents
Hydraulic testing device capable of rotatably switching pressure heads Download PDFInfo
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- CN212904266U CN212904266U CN202020887232.4U CN202020887232U CN212904266U CN 212904266 U CN212904266 U CN 212904266U CN 202020887232 U CN202020887232 U CN 202020887232U CN 212904266 U CN212904266 U CN 212904266U
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Abstract
The utility model discloses a rotatable hydraulic pressure testing arrangement who switches pressure head, including hydraulic telescoping rod, support and a plurality of pressure head, the support includes connecting rod and mount pad, and the upper end of connecting rod is fixed with hydraulic telescoping rod, and the lower extreme and the mount pad of connecting rod rotate to be connected, and the mount pad setting is in the hydraulic telescoping rod below, and the pressure head is fixed in the mount pad below, and one of them pressure head and the coaxial setting of hydraulic telescoping rod. The utility model provides a hydraulic testing device capable of rotating and switching a pressure head, which has the advantages of simple structure, convenient installation and the like; only the rotating support is needed for replacing the pressure head in the test process, so that the test efficiency is improved, the types of test instruments are reduced, the maintenance cost of the test instruments is reduced, and the test time is saved.
Description
Technical Field
The utility model belongs to the technical field of the highway engineering and specifically relates to a hydraulic test device of rotatable switching pressure head is related to.
Background
In engineering, various tests are often required to be carried out on materials to obtain corresponding strength indexes, such as shear strength, compressive strength, tensile strength, breaking strength, bending strength and other test indexes, different instruments are used in different tests, the adopted pressure heads are various, such as Marshall shear strength tests, the size of the pressure head adopted for a large test piece and a small test piece is different, the pressure head needs to be frequently replaced in the test, the test progress is delayed, the pressure head which is not used is easy to lose, and the subsequent tests are delayed. Therefore, a hydraulic testing device capable of rotatably switching a pressure head needs to be designed, the types of testing instruments are reduced, the maintenance cost of the testing instruments is reduced, and the testing time is saved.
Chinese patent application publication No. CN202583012U, published as 12/05/2012 entitled "a device for providing pressure for testing mechanical properties of ceramic materials", discloses a device for providing pressure for testing mechanical properties of ceramic materials, and belongs to the field of testing mechanical properties of materials. The device comprises an alternating current motor, a speed reducer, a first support frame, a second support frame, a support plate, a bearing, a coupling, a ball screw, a movable nut, a transmission platform, a force application pressure head, a working platform, a base, a pressure sensor and a peripheral equipment data acquisition and processing system; the supporting plate is fixedly connected with the base through a first supporting frame and a second supporting frame, and a pressure sensor is arranged between the working platform and the base; the alternating current motor and the speed reducer are fixed at the top of the supporting plate, and the coupling is connected with an output shaft of the speed reducer and the ball screw; the movable nut is in threaded fit with the ball screw, one side of the movable nut is in sliding fit with the slide rail on the second support frame, the other side of the movable nut is fixedly connected with the transmission platform, and the bottom of the transmission platform is fixedly connected with the force application pressure head. The above problems still exist with this device.
Disclosure of Invention
The utility model provides a hydraulic testing device capable of rotating and switching the pressure head, which has the advantages of simple structure, convenient installation, etc. in order to overcome the defects of various pressure heads adopted in the prior art, frequent replacement of the pressure head during the test and delay of the test progress; only the rotating support is needed for replacing the pressure head in the test process, so that the test efficiency is improved, the types of test instruments are reduced, the maintenance cost of the test instruments is reduced, and the test time is saved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hydraulic pressure testing arrangement of rotatable switching pressure head, includes hydraulic telescoping rod, support and a plurality of pressure head, and the support includes connecting rod and mount pad, and the upper end and the hydraulic telescoping rod of connecting rod are fixed, and the lower extreme and the mount pad of connecting rod rotate to be connected, and the mount pad setting is in the hydraulic telescoping rod below, and the pressure head is fixed in the mount pad below, and one of them pressure head and the coaxial setting of hydraulic telescoping rod.
Among the above-mentioned technical scheme, the support is fixed back with hydraulic telescoping rod, and the mount pad can carry out 360 rotations relative to the connecting rod, can install a plurality of different types of pressure heads simultaneously on the mount pad, and it can to rotate the pressure head that needs to hydraulic telescoping rod below during the use. The device is used for testing the stress-strain value of a test piece and drawing a curve of the test piece, and comprises a pressure sensor and a displacement sensor. The pressure sensor is installed at the tail end of the hydraulic loader, when the hydraulic loader works, the hydraulic telescopic rod slowly extends out, and at the moment, the test system can read corresponding load and displacement in real time. The pressure sensor and the displacement sensor are connected with the computer control system. Aiming at different tests, the test pressure head can be replaced through the rotating bearing, the pressure head can be replaced quickly by the system, the types of test instruments are reduced, the maintenance cost of the test instruments is reduced, and the test time is saved. Compared with the existing material strength test device, the technical scheme has the advantages of simple structure, convenience in installation, low price and the like, and the test operation is simple and convenient, and the test result is accurate and reliable.
Preferably, a plurality of leveling screws are arranged on the mounting base and are in threaded connection with the mounting base, the leveling screws correspond to the pressure heads one to one, and the leveling screws are arranged right above the corresponding pressure heads. The leveling screw can make the leveling screw closely laminate with hydraulic telescoping rod after the pressure head aims at hydraulic telescoping rod, can directly contact with hydraulic telescoping rod through the leveling screw when exerting pressure, reduces the demand to 2 structural strength of support.
Preferably, the leveling screw is provided with a friction convex strip. The friction raised line can increase frictional force, conveniently adjusts.
Preferably, the pressure head is in threaded connection with the mounting seat. The structure facilitates the installation and replacement of the pressure head.
Preferably, the mounting seat is rotatably connected with the connecting rod through a bearing. The structure can ensure that the mounting seat can rotate 360 degrees relative to the connecting rod.
Preferably, the hydraulic telescopic rod is provided with a first positioning counter bore, and the upper end of the leveling screw is matched with the first positioning counter bore. The first positioning counter bore can ensure that a pressure head required to be used can be aligned to the hydraulic telescopic rod, and further the precision of the pressure sensor is ensured.
Preferably, the mounting base comprises a supporting rod and a fixing base, the supporting rod is connected with the connecting rod in a rotating mode, the fixing base is connected with the supporting rod in a sliding mode, an expansion spring is arranged on the fixing base, one end of the expansion spring is connected with the fixing base, and the other end of the expansion spring is connected with the supporting rod.
Among the above-mentioned technical scheme, the fixing base can slide from top to bottom relative to the bracing piece, when needing to be changed the pressure head, and pulling fixing base and rotatory fixing base downwards make the pressure head aim at hydraulic telescoping rod after, loosen the fixing base, make the fixing base and the contact of hydraulic telescoping rod of pressure head top. The whole pressure head replacing process is convenient, and the fixed seat above the pressure head can be ensured to be tightly attached to the hydraulic telescopic rod after replacement.
Preferably, the mounting seat is provided with a plurality of positioning columns, the leveling screws correspond to the positioning columns one by one, the leveling screws are arranged right above the corresponding pressure heads, the hydraulic telescopic rod is provided with second positioning counter bores, and the upper ends of the positioning columns are matched with the second positioning counter bores. The structure can guarantee that the pressure head required to be used can be aligned to the hydraulic telescopic rod, and then the precision of the pressure sensor is guaranteed.
The utility model has the advantages that: (1) in the test process, only the support is needed to be rotated to replace the pressure head required by the test, and the pressure head required by the test is rotated to be just below the hydraulic telescopic rod, so that the test efficiency is improved, the types of test instruments are reduced, the maintenance cost of the test instruments is reduced, and the test time is saved; (2) the device has simple structure, convenient installation, low manufacturing cost, simple and convenient test operation and accurate and reliable test result; (3) the fixing base is rotated rapidly through the telescopic device at the beginning, and the pressure head is enabled to be aligned to the hydraulic telescopic rod rapidly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of example 3.
In the figure: the hydraulic telescopic rod comprises a hydraulic telescopic rod 1, a first positioning counter bore 1.1, a second positioning counter bore 2.1, a support 2, a connecting rod 2.1, a mounting seat 2.2, a supporting rod 2.2.1, a fixing seat 2.2.2, a telescopic spring 2.2.3, a leveling screw 2.3, a friction raised line 2.3.1, a positioning column 2.4 and a pressure head 3.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in figure 1, a rotatable hydraulic test device who switches pressure head 3, including hydraulic telescoping rod 1, support 2 and a plurality of pressure head 3, support 2 includes connecting rod 2.1 and mount pad 2.2, connecting rod 2.1's upper end is fixed with hydraulic telescoping rod 1, connecting rod 2.1's lower extreme and mount pad 2.2 rotate through the bearing and are connected, mount pad 2.2 sets up in hydraulic telescoping rod 1 below, pressure head 3 sets up in mount pad 2.2 below, pressure head 3 and mount pad 2.2 threaded connection, one of them pressure head 3 and the coaxial setting of hydraulic telescoping rod 1. A plurality of leveling screws 2.3 are arranged on the mounting base 2.2, the leveling screws 2.3 are in threaded connection with the mounting base 2.2, the leveling screws 2.3 are in one-to-one correspondence with the pressure heads 3, and the leveling screws 2.3 are arranged right above the corresponding pressure heads 3. The leveling screw 2.3 is provided with a friction convex strip 2.3.1.
Among the above-mentioned technical scheme, support 2 and hydraulic telescoping rod 1 are fixed the back, and mount pad 2.2 can carry out 360 rotations relative connecting rod 2.1, can install a plurality of different types of pressure heads 3 simultaneously on mount pad 2.2, during the use with the pressure head 3 of needs rotatory hydraulic telescoping rod 1 below can. The leveling screws 2.3 can enable the leveling screws 2.3 to be tightly attached to the hydraulic telescopic rod 1 after the pressure head 3 is aligned to the hydraulic telescopic rod 1, and can be directly contacted with the hydraulic telescopic rod 1 through the leveling screws 2.3 when pressure is applied, so that the requirement on the structural strength of the support 2 is reduced. The device is used for testing the stress-strain value of a test piece and drawing a curve of the test piece, and comprises a pressure sensor and a displacement sensor. The pressure sensor is installed at the tail end of the hydraulic loader, when the hydraulic loader works, the hydraulic telescopic rod 1 slowly extends out, and at the moment, the test system can read corresponding load and displacement in real time. The pressure sensor and the displacement sensor are connected with the computer control system. Aiming at different tests, the test pressure head 3 can be replaced through the rotating bearing, the pressure head 3 can be replaced quickly by the system, the types of test instruments are reduced, the maintenance cost of the test instruments is reduced, and the test time is saved. Compared with the existing material strength test device, the technical scheme has the advantages of simple structure, convenience in installation, low price and the like, and the test operation is simple and convenient, and the test result is accurate and reliable.
Example 2:
as shown in fig. 1, on the basis of embodiment 1, a first positioning counter bore 1.1 is arranged on the hydraulic telescopic rod 1, and the upper end of a leveling screw 2.3 is matched with the first positioning counter bore 1.1. The first positioning counter bore 1.1 can ensure that a pressure head 3 required to be used can be aligned to the hydraulic telescopic rod 1, and further the precision of the pressure sensor is ensured.
Example 3:
as shown in fig. 2, a rotatable hydraulic pressure testing arrangement who switches pressure head 3, including hydraulic telescoping rod 1, support 2 and a plurality of pressure head 3, support 2 includes connecting rod 2.1 and mount pad 2.2, mount pad 2.2 includes bracing piece 2.2.1 and fixing base 2.2.2, connecting rod 2.1's upper end and 1 threaded connection of hydraulic telescoping rod, connecting rod 2.1's lower extreme and bracing piece 2.2.1 are connected through bearing rotation, fixing base 2.2.2 and bracing piece 2.2.1 sliding connection, be equipped with expanding spring 2.2.3 on the fixing base 2.2.2, expanding spring 2.2.3 one end and fixing base 2.2.2 are connected, expanding spring 2.2.3's the other end and bracing piece 2.2.1 are connected. Mount pad 2.2 sets up in hydraulic telescoping rod 1 below, and pressure head 3 sets up in mount pad 2.2 below, pressure head 3 and mount pad 2.2 threaded connection, and one of them pressure head 3 sets up with hydraulic telescoping rod 1 is coaxial. The mounting seat 2.2 is provided with a plurality of positioning columns 2.4, the leveling screws 2.3 are in one-to-one correspondence with the positioning columns 2.4, the leveling screws 2.3 are arranged right above the corresponding pressure heads 3, the hydraulic telescopic rod 1 is provided with second positioning counter bores 2.1, and the upper ends of the positioning columns 2.4 are matched with the second positioning counter bores 2.1.
Among the above-mentioned technical scheme, support 2 and hydraulic telescoping rod 1 are fixed the back, and mount pad 2.2 can carry out 360 rotations relative connecting rod 2.1, can install a plurality of different types of pressure heads 3 simultaneously on mount pad 2.2, during the use with the pressure head 3 of needs rotatory hydraulic telescoping rod 1 below can. Fixing base 2.2.2 can be slided from top to bottom relative to bracing piece 2.2.1, when needing to be changed pressure head 3, downwards pulling fixing base 2.2.2 and rotatory fixing base 2.2.2 make pressure head 3 aim at hydraulic telescoping rod 1 after, unclamp fixing base 2.2.2, make the fixing base 2.2.2 and the contact of hydraulic telescoping rod 1 of pressure head 3 top. The whole process of replacing the pressure head 3 is convenient, and the fixed seat 2.2.2 above the pressure head 3 can be ensured to be tightly attached to the hydraulic telescopic rod 1 after replacement. The device is used for testing the stress-strain value of a test piece and drawing a curve of the test piece, and comprises a pressure sensor and a displacement sensor. The pressure sensor is installed at the tail end of the hydraulic loader, when the hydraulic loader works, the hydraulic telescopic rod 1 slowly extends out, and at the moment, the test system can read corresponding load and displacement in real time. The pressure sensor and the displacement sensor are connected with the computer control system. Aiming at different tests, the test pressure head 3 can be replaced through the rotating bearing, the pressure head 3 can be replaced quickly by the system, the types of test instruments are reduced, the maintenance cost of the test instruments is reduced, and the test time is saved. Compared with the existing material strength test device, the technical scheme has the advantages of simple structure, convenience in installation, low price and the like, and the test operation is simple and convenient, and the test result is accurate and reliable.
The utility model has the advantages that: (1) in the test process, only the support is needed to be rotated to replace the pressure head required by the test, and the pressure head required by the test is rotated to be just below the hydraulic telescopic rod, so that the test efficiency is improved, the types of test instruments are reduced, the maintenance cost of the test instruments is reduced, and the test time is saved; (2) the device has simple structure, convenient installation, low manufacturing cost, simple and convenient test operation and accurate and reliable test result; (3) the fixing base is rotated rapidly through the telescopic device at the beginning, and the pressure head is enabled to be aligned to the hydraulic telescopic rod rapidly.
Claims (8)
1. The utility model provides a hydraulic pressure testing arrangement of rotatable switching pressure head, characterized by, includes hydraulic telescoping rod, support and a plurality of pressure head, and the support includes connecting rod and mount pad, and the upper end and the hydraulic telescoping rod of connecting rod are fixed, and the lower extreme and the mount pad of connecting rod rotate to be connected, and the mount pad setting is in the hydraulic telescoping rod below, and the pressure head is fixed in the mount pad below, and one of them pressure head and the coaxial setting of hydraulic telescoping rod.
2. The hydraulic testing device of claim 1, wherein a plurality of leveling screws are arranged on the mounting base, the leveling screws are in threaded connection with the mounting base, the leveling screws correspond to the pressure heads one by one, and the leveling screws are arranged right above the corresponding pressure heads.
3. The hydraulic testing device of claim 2, wherein the leveling screw is provided with friction ribs.
4. A device for hydraulic testing of a rotatably switchable indenter as claimed in claim 1, 2 or 3, wherein the indenter is threadably connected to the mounting.
5. A device for hydraulic testing of a rotatable switching ram according to claim 1, 2 or 3, wherein the mounting block is rotatably connected to the connecting rod by a bearing.
6. The hydraulic testing device capable of rotatably switching the pressure head as claimed in claim 2, wherein the hydraulic telescopic rod is provided with a first positioning counter bore, and the upper end of the leveling screw is matched with the first positioning counter bore.
7. The hydraulic testing device of claim 1, 2 or 3, wherein the mounting seat comprises a support rod and a fixing seat, the support rod is rotatably connected with the connecting rod, the fixing seat is slidably connected with the support rod, the fixing seat is provided with a telescopic spring, one end of the telescopic spring is connected with the fixing seat, and the other end of the telescopic spring is connected with the support rod.
8. The hydraulic testing device capable of rotating to switch the pressure head as claimed in claim 7, wherein a plurality of positioning columns are arranged on the mounting seat, the leveling screws correspond to the positioning columns one by one, a second positioning counter bore is arranged on the hydraulic telescopic rod, and the upper ends of the positioning columns are matched with the second positioning counter bore.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020887232.4U CN212904266U (en) | 2020-05-22 | 2020-05-22 | Hydraulic testing device capable of rotatably switching pressure heads |
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| CN202020887232.4U CN212904266U (en) | 2020-05-22 | 2020-05-22 | Hydraulic testing device capable of rotatably switching pressure heads |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218857A (en) * | 2021-05-14 | 2021-08-06 | 北京科技大学 | Electrochemical analysis device and method for electronic product electrochemical migration micro-area |
| CN114112707A (en) * | 2021-11-26 | 2022-03-01 | 无锡振华建设工程质量检测有限公司 | Mortar detection equipment |
| CN114290034A (en) * | 2022-01-14 | 2022-04-08 | 浙江微宏物联科技有限公司 | Floating pressure head mechanism |
| CN114518291A (en) * | 2022-02-18 | 2022-05-20 | 安徽华星电缆集团有限公司 | New energy automobile motor lead wire and performance test system thereof |
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2020
- 2020-05-22 CN CN202020887232.4U patent/CN212904266U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218857A (en) * | 2021-05-14 | 2021-08-06 | 北京科技大学 | Electrochemical analysis device and method for electronic product electrochemical migration micro-area |
| CN114112707A (en) * | 2021-11-26 | 2022-03-01 | 无锡振华建设工程质量检测有限公司 | Mortar detection equipment |
| CN114112707B (en) * | 2021-11-26 | 2023-11-03 | 无锡振华建设工程质量检测有限公司 | Mortar detection equipment |
| CN114290034A (en) * | 2022-01-14 | 2022-04-08 | 浙江微宏物联科技有限公司 | Floating pressure head mechanism |
| CN114290034B (en) * | 2022-01-14 | 2024-01-23 | 浙江微宏物联科技有限公司 | Floating pressure head mechanism |
| CN114518291A (en) * | 2022-02-18 | 2022-05-20 | 安徽华星电缆集团有限公司 | New energy automobile motor lead wire and performance test system thereof |
| CN114518291B (en) * | 2022-02-18 | 2023-10-20 | 安徽华星电缆集团有限公司 | New energy automobile motor lead wire and capability test system thereof |
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