CN217845924U - Big and small cylinder shock insulation support stress device - Google Patents
Big and small cylinder shock insulation support stress device Download PDFInfo
- Publication number
- CN217845924U CN217845924U CN202122604464.1U CN202122604464U CN217845924U CN 217845924 U CN217845924 U CN 217845924U CN 202122604464 U CN202122604464 U CN 202122604464U CN 217845924 U CN217845924 U CN 217845924U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- small
- screw
- seat
- pin shaft
- 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.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a big or small jar isolation bearing stress device belongs to the instrument and meter field, including the device body, two sides are equipped with the base under the device body, and both ends respectively have a set of recess about the base, two big or little hydro-cylinders of joint. The piston rod on the right side of the large oil cylinder is connected with the workbench through a pin shaft, the piston rod on the left side of the small oil cylinder is connected with the workbench through a pin shaft, a wedge sleeve is arranged outside the pin shaft and fixed by a clamping plate, and the connecting devices on the two sides are firm and reliable and are convenient to disassemble. The small oil cylinder is disconnected and only works when the limit stress is tested at a low speed, and the large oil cylinder is disconnected and only works when the limit stress is tested at a high speed, so that the service life of a single oil cylinder can be prolonged, the waste of hydraulic oil is reduced, and the whole device is simple in structure, easy to operate and high in reliability.
Description
Technical Field
The utility model relates to an instrument and meter field, more specifically says, relates to a big or small jar isolation bearing atress device.
Background
The horizontal direction test of the dynamic compression shear testing machine is to simulate the earthquake transverse wave, and when the horizontal direction dynamic shear test is carried out, two tests are carried out in total, wherein one test is an ultimate stress test, namely a large-stress slow-speed test, which is used for detecting the horizontal ultimate deformation capacity of the rubber support, and the other test is a small-stress rapid reciprocating test, which is used for detecting other horizontal performances of the rubber support, such as horizontal equivalent rigidity, yield strength and the like.
At present, when dynamic pressure shear testing machine is carrying out the dynamic shear test of horizontal direction, no matter carry out the test of which type, all accomplish whole experiment by a big hydro-cylinder, frequent use can let the life of hydro-cylinder descend by a wide margin, and the utilization ratio is lower, and extravagant hydraulic oil is more. Meanwhile, the large oil cylinder is difficult to machine, the machining precision is not easy to guarantee, and the comprehensive cost is high.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a big or small jar isolation bearing atress device, it not only can satisfy the requirement of various test methods to the experimental power size completely through using one big or little two inequality hydro-cylinders in base both sides, dismantles also light swift moreover, when having ensured the test data accuracy, prolongs hydro-cylinder life's effect, and whole device simple structure, easy operation, the reliability is high.
In order to solve the above problems, the utility model adopts the following technical proposal.
A large-cylinder and small-cylinder shock insulation support stress device comprises a device body, bases are arranged on two sides of the lower end of the device body, and a group of grooves is formed in each of the left end and the right end of each base and used for clamping a large oil cylinder and a small oil cylinder. The piston rod on the right side of the large oil cylinder is connected with the workbench through a pin shaft, the piston rod on the left side of the small oil cylinder is connected with the workbench through a pin shaft, a wedge sleeve is arranged outside the pin shaft and is fixed by a clamping plate, and the connecting devices on the two sides are firm and reliable and are convenient to disassemble. The small oil cylinder is disconnected and only the large oil cylinder works during the extreme stress slow speed test, and the large oil cylinder is disconnected and only the small oil cylinder works during the small stress high speed test, so that the service life of a single oil cylinder can be prolonged, the waste of hydraulic oil is reduced, and the whole device is simple in structure, easy to operate and high in reliability.
Further, a large oil cylinder is arranged above the left side of the base, a small oil cylinder is arranged above the right side of the base, and a 8000kN actuator and a 4000kN actuator are formed by the two oil cylinders which are arranged above the left side and the right side of the base respectively and are connected with the workbench through similar pin shaft structures.
Furthermore, the piston rod extending outwards from the right side of the large oil cylinder is connected with a sensor through a screw, the sensor is connected with a bearing seat through a screw, the bearing seat is connected with an installation seat through a pin shaft, and the installation seat is fixed on the workbench. The hinge pin is characterized in that a cover plate is additionally arranged at the upper end of the hinge pin, and the cover plate is connected with the mounting seat and the hinge pin into a whole through screws so as to prevent the hinge pin from falling off in the working process.
Furthermore, a second piston rod extending outwards from the left side of the small oil cylinder is connected with a second sensor through a screw, the second sensor is connected with a second bearing seat through a screw, and the bearing seat is fixedly connected with the pressing plate and the connecting seat through a second pin shaft.
Further, a piston rod of the small oil cylinder is fixedly connected with the sensor through a screw, the sensor is fixedly connected with a bearing seat through a screw, the bearing seat is connected with the pressing plate and the connecting seat through a pin shaft, and the connecting seat is fixed on the workbench.
Furthermore, two wedge sleeves are arranged outside the pin shaft, smooth installation of the pin shaft is guaranteed through the wedge sleeves, a baffle and a pull plate are arranged at one end of each wedge sleeve, the pull plate of the baffle is fixed on the pin shaft and the connecting seat through screws, one end of each wedge sleeve abuts against a self-lubricating radial spherical plain bearing, the self-lubricating radial spherical plain bearing is connected with the bearing seat through an end cover and the screws, the pin shaft is guaranteed not to fall off, and the whole mechanism is firmly connected and fastened during movement.
Furthermore, the pressing plate is connected with the connecting seat through a second screw, the wedge sleeve can be extruded when the pressing plate and the connecting seat are connected, gaps between the wedge sleeve and the second pin shaft and between the wedge sleeve and the pressing plate and between the wedge sleeve and the connecting seat are eliminated, the second pin shaft is guaranteed to be evenly stressed during working, fatigue fracture is not prone to occurring, the service life is prolonged, and the accuracy of test data is guaranteed.
Compared with the prior art, the utility model has the advantages of:
(1) This scheme not only can satisfy various experimental required experimental powers through using one big one little two hydro-cylinders at both ends, improves the hydro-cylinder utilization ratio, has ensured the experimental data accuracy, still has the protection hydro-cylinder, the effect of extension hydro-cylinder life-span, and whole device simple structure, easy operation, the reliability is high.
(2) When a single oil cylinder is damaged or one oil cylinder is maintained, maintained and repaired, the small stress rapid test is not influenced, and the period and the cost for replacing the oil cylinder are better than those of the single large oil cylinder.
(3) The use frequency of the large oil cylinder is greatly reduced, the service life of the large oil cylinder is prolonged, and the large oil cylinder is not easy to damage. The small oil cylinder is simple to process, the technology is mature, and the accuracy and the reliability of the small stress rapid reciprocating test data can be better ensured.
(4) The connection mode of the large oil cylinder and the small oil cylinder is pin connection, the connection structure is simple, the assembly and disassembly are easy, the connection is reliable and firm, and the stress is uniform.
(5) Two hydro-cylinders are located the workstation both sides, mutual noninterference, can additionally set up and install additional device if there is the demand, carry out two experiments simultaneously, shorten total test time, improve work efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial cross-sectional view taken at A of FIG. 1;
fig. 3 is a partial sectional view at B of fig. 1.
The numbering in the figures illustrates:
the device comprises a device body 1, a base 2, a large oil cylinder 3, a piston rod 4, a workbench 5, a sensor 6, a screw 7, a bearing seat 8, a mounting seat 9, a pin shaft 10, a cover plate 11, a small oil cylinder 12, a second piston rod 13, a second sensor 14, a second bearing seat 15, a second screw 16, a pressing plate 17, a connecting seat 18, a second pin shaft 19, a wedge sleeve 20, a pulling plate 21, a baffle plate 22, a self-lubricating radial spherical plain bearing 23 and an end cover 24.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1, the big and small cylinder shock insulation support bearing device comprises a device body 1, referring to fig. 1, a base 2 is arranged at the lower end of the device body 1, a clamping groove above the left side of the base 2 is clamped with a big cylinder 3, and a piston rod 4 extends outwards from the right side of the big cylinder 3. Referring to fig. 2, the piston rod 4 is connected to a bearing seat 8 through a screw 7, the bearing seat 8 is connected to an installation seat 9 through a pin 10, and the installation seat 9 is fixed on the worktable 5. The upper end of the pin shaft 10 is additionally provided with a cover plate 11, and the cover plate 11 is connected with the mounting seat 9 and the pin shaft 10 into a whole through screws, so that the pin shaft 10 cannot be separated during the test.
Referring to fig. 1, the big and small cylinder shock insulation support bearing device comprises a device body 1, referring to fig. 1, a base 2 is arranged at the lower end of the device body 1, a clamping groove is formed in the upper portion of the right side of the base 2 and clamped with a small oil cylinder 12, a second piston rod 13 extending outwards from the left side of the small oil cylinder 12 is connected with a second sensor 14 through a screw, the second sensor 14 is connected with a second bearing seat 15 through a screw, and the bearing seat is fixedly connected with a pressing plate 17 and a connecting seat 18 through a pin shaft 10. A self-lubricating radial spherical plain bearing 23 is arranged between the pin shaft 10 and the second bearing seat 15, wedge sleeves 20 are arranged at two ends of the pin shaft 10, the whole longitudinal direction is fixed through a pulling plate 21, a baffle plate 22 and screws, a pressing plate 17 is connected with the connecting seat 18 through a second screw 16, and the whole transverse mechanism can be fastened while the connection is carried out.
Referring to fig. 1 to 3, when a large stress slow test, which is a limit stress test, is performed, the large cylinder 3 is connected according to the above, the small cylinder 12 is detached, and the large cylinder 3 pushes the table 5 to move during the test, so that the test content is completed. When a small stress rapid test is carried out, the small oil cylinder 12 is connected with the workbench 5 according to the above manner, the piston rod 4 returns to the original position, the connection between the large oil cylinder 3 and the workbench 5 is disconnected, and the small oil cylinder 12 independently pushes the workbench 5 to move during the test, so that the relevant test contents are completed.
The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a big or small cylinder isolation bearing atress device, includes device body (1), its characterized in that: the device is characterized in that a base (2) is arranged on two sides of the lower end of a device body (1), a large oil cylinder (3) is connected to the upper side of the left side of the base (2), a small oil cylinder (12) is connected to the upper side of the right side of the base (2), shearing systems formed by two sets of actuators are mutually independent and do not interfere with each other, a workbench (5) is arranged on the right side of the large oil cylinder (3), and the small oil cylinder (12) is arranged on the right side of the workbench (5).
2. The large and small cylinder isolation bearing stress device according to claim 1, characterized in that: the large oil cylinder (3) is characterized in that an overhanging piston rod (4) on the right side of the large oil cylinder (3) is connected with a sensor (6) through a screw, the sensor (6) is connected with a bearing seat (8) through a screw (7), the bearing seat (8) is connected with a mounting seat (9) through a pin shaft (10), and the mounting seat (9) is fixed on a workbench (5).
3. The large and small cylinder isolation bearing stress device according to claim 1, characterized in that: a second piston rod (13) extending outwards at the left side of the small oil cylinder (12) is connected with a second sensor (14) through a screw, the second sensor (14) is connected with a second bearing seat (15) through a screw, and the bearing seat is fixedly connected with a pressing plate (17) and a connecting seat (18) through a second pin shaft (19).
4. The large and small cylinder isolation bearing stress device according to claim 3, characterized in that: the hinge pin is characterized in that a cover plate (11) is additionally arranged at the upper end of the hinge pin (10), and the cover plate (11) is connected with the mounting seat (9) and the hinge pin (10) into a whole through screws.
5. The large and small cylinder isolation bearing stress device according to claim 4, characterized in that: install self-lubricating radial spherical plain bearing (23) between second round pin axle (19) and second bearing seat (15), be equipped with wedge sleeve (20) at second round pin axle (19) both ends, vertically fix whole through arm-tie (21), baffle (22) and screw, clamp plate (17) are connected through second screw (16) with connecting seat (18), can fasten whole transverse mechanism when connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604464.1U CN217845924U (en) | 2021-10-28 | 2021-10-28 | Big and small cylinder shock insulation support stress device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604464.1U CN217845924U (en) | 2021-10-28 | 2021-10-28 | Big and small cylinder shock insulation support stress device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217845924U true CN217845924U (en) | 2022-11-18 |
Family
ID=84010948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122604464.1U Active CN217845924U (en) | 2021-10-28 | 2021-10-28 | Big and small cylinder shock insulation support stress device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217845924U (en) |
-
2021
- 2021-10-28 CN CN202122604464.1U patent/CN217845924U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103790895A (en) | Hydraulic-cylinder lateral force testing device | |
| CN214559181U (en) | Fixing device is used in shaft coupling processing | |
| CN206169709U (en) | Fast -assembling anchor clamps of processing bent axle keyway | |
| CN210051506U (en) | Bending vibration fatigue test device of flat plate type test piece | |
| CN110842604B (en) | Four-station clamp for horizontal processing of connecting rod | |
| CN217845924U (en) | Big and small cylinder shock insulation support stress device | |
| CN101738273A (en) | Loading device for compressive capacity test | |
| CN209342361U (en) | A kind of fatigue test clamper of HF fatigue testing machine | |
| CN110842603A (en) | Connecting rod components of a whole that can function independently processing frock | |
| CN217845827U (en) | Multi-cylinder support test frame structure | |
| CN112098091A (en) | Rolling bearing dynamic testing machine based on active vibration | |
| CN201788116U (en) | Test tooling for elastic side bearing body | |
| CN104374563B (en) | Auxiliary cushion block for connecting rod fatigue test | |
| CN214109694U (en) | Clamping device for slender shaft parts | |
| CN213828071U (en) | Automatic clamp for shaft machining | |
| CN212459161U (en) | Disassembly-free clamp for dynamic, static and quasi-static tests | |
| CN204843648U (en) | Connecting rod bearing shell film trap hydraulic pressure milling fixture | |
| CN219084585U (en) | Auxiliary fixture for detecting tensile strength of chain | |
| CN112113613B (en) | Column loading machine | |
| CN111812512B (en) | Work fixture for simulating motor load operation | |
| CN201979235U (en) | Shaft pipe welding pneumatic jig | |
| CN214213548U (en) | Automatic closing device of fast-assembling dolly | |
| CN208476678U (en) | The assembly type bias loading device of eccentricity can arbitrarily be adjusted | |
| CN221110162U (en) | Floating type supporting and lifting cylinder support with long service life | |
| CN214171068U (en) | Bolt connecting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A force bearing device for large and small cylinder isolation bearings Effective date of registration: 20230414 Granted publication date: 20221118 Pledgee: Postal Savings Bank of China Limited Jinan Branch Pledgor: JINAN SANYUE TESTING INSTRUMENT Co.,Ltd. Registration number: Y2023980038118 |