CN217845827U - Multi-cylinder support test frame structure - Google Patents
Multi-cylinder support test frame structure Download PDFInfo
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- CN217845827U CN217845827U CN202122604055.1U CN202122604055U CN217845827U CN 217845827 U CN217845827 U CN 217845827U CN 202122604055 U CN202122604055 U CN 202122604055U CN 217845827 U CN217845827 U CN 217845827U
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Abstract
The utility model discloses a multi-cylinder support test frame structure belongs to the instrument and meter field, including the device body, the lower extreme is equipped with the support about the device body, and the support upper end is equipped with the recess, the three big or small the same hydro-cylinder of joint in the recess, and the hydro-cylinder right-hand member is connected with the workstation through the round pin axle, and round pin axle overcoat has the wedge cover, vertically through arm-tie, baffle fastening connection, transversely through clamp plate, screw fastening connection, whole connecting device is firm reliable, and dismantles the convenience. Three oil cylinders work simultaneously during the extreme stress slow speed test, two oil cylinders about will during the little stress high speed test lift off, only middle oil cylinder work, not only can improve the utilization ratio of hydro-cylinder, reduce extravagant, and whole frame construction is simple, easy operation, and the reliability is high.
Description
Technical Field
The utility model relates to an instrument and meter field, more specifically say, relate to a multi-cylinder support test frame construction 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 the dynamic pressure shear testing machine is used for carrying out a dynamic shear test in the horizontal direction, no matter which type of test is carried out, the whole test is completed by one large oil cylinder, the service life of the oil cylinder is shortened, the utilization rate is low, and more hydraulic oil is wasted. 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 multi-cylinder support test frame construction, it is through using the hydro-cylinder that three size is the same, not only can satisfy various test methods completely to the requirement of experimental power size, the utilization ratio of single hydro-cylinder is higher moreover, the hydraulic oil that uses when testing still less, it is also light more swift to dismantle, when having ensured the accuracy of test data, the effect of extension hydro-cylinder life-span, 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.
The utility model provides a multi-cylinder support test frame structure, includes device body and piston rod, includes the device body, and the lower extreme is equipped with the support about the device body, and the support upper end is equipped with the recess, the three hydro-cylinder that is the same size of joint in the recess, and the hydro-cylinder right-hand member is connected with the workstation through the round pin axle, and round pin axle overcoat has the wedge cover, vertically through arm-tie, baffle fastening connection, transversely through clamp plate, screw fastening connection, whole connecting device is firm reliable, and it is convenient to dismantle. Three hydro-cylinders simultaneous working when ultimate stress is experimental at a slow speed, will control two hydro-cylinders and lift off when little stress is experimental at a high speed, and only middle hydro-cylinder work not only can improve the utilization ratio of hydro-cylinder, reduce extravagant, and whole frame construction is simple, easy operation, and the reliability is high, three hydro-cylinder size and specification is the same, installs in the base top side by side, is connected with the workstation through the same round pin axle construction, and it is convenient to dismantle, connects the fastening firmly, the piston rod of three hydro-cylinder passes through screw and sensor fastening connection, the sensor passes through screw and bearing frame fastening connection, the bearing frame is connected with splint A, splint B through the round pin axle, splint B fixes on the workstation.
Furthermore, two wedge sleeves are sleeved outside the pin shaft, the pin shaft is guaranteed to be smoothly installed through the wedge sleeves, one end of each wedge sleeve is provided with a pressing plate and a pulling plate, the pressing plate pulling plate is fixed on the pin shaft and the clamping plate B through screws, one end of each wedge sleeve is propped against a self-lubricating radial spherical plain bearing, the self-lubricating radial spherical plain bearing is connected with a bearing seat through an end cover and a screw, the pin shaft is guaranteed not to fall off, and the whole mechanism is firmly connected and fastened during movement.
Further, splint A and splint B are connected through the screw, can extrude the wedge sleeve when connecting splint A, splint B, eliminate between wedge sleeve and the round pin axle the clearance between wedge sleeve and splint A, the splint B ensures that the round pin axle atress is even at the during operation, is difficult for producing fatigue fracture, increase of service life ensures the accuracy of test data.
Compared with the prior art, the utility model has the advantages of:
(1) This scheme is through installing the hydro-cylinder that uses three big small dimension specification identical side by side, not only can satisfy the required experimental power of various experiments completely, improves the hydro-cylinder utilization ratio, has ensured the test 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) The small oil cylinder is simple to machine, the machining technology is mature, the machining precision is easy to guarantee, the quantity of used hydraulic oil is small, and the required cost is lower compared with that of a single large oil cylinder.
(3) The small oil cylinder is more convenient and faster to disassemble, and particularly, the application of the pin shaft structure can achieve the purpose of quick disassembly and assembly while ensuring that the connection is firm and the stress is uniform.
(4) 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.
Drawings
Fig. 1 and 2 are schematic diagrams of the overall structure of the present invention;
fig. 3 is a partial sectional view at a of fig. 2.
The reference numbers in the figures illustrate:
the device comprises a device body 1, a base 2, a first oil cylinder 3, a second oil cylinder 4, a third oil cylinder 5, a sensor 6, a connecting plate B7, a workbench 8, a piston rod 9, a bearing seat 10, a bolt 11, a connecting plate A12, an end cover 13, a pulling plate 14, a pressing plate 15, a pin shaft 16, a wedge sleeve 17 and a self-lubricating radial spherical plain bearing 18.
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 making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-2, a multi-cylinder support test frame structure device comprises a device body 1 and a piston rod 9, referring to fig. 1-2, a base 2 is arranged at the lower left end of the device body 1, a groove is formed in the upper end of the base, three parallel oil cylinders, namely a first oil cylinder 3, a second oil cylinder 4 and a third oil cylinder 5, are clamped in the groove, the piston rods 9 of the three oil cylinders are connected with a sensor 6 through screws, the sensor 6 is fixedly connected with a bearing seat 10 through screws, and the bearing seat 10 is connected with a clamping plate A12 and a clamping plate B7 through a pin shaft 16.
Referring to fig. 3, two wedge sleeves 17 are mounted on the outer side of the pin 16, the wedge sleeves prop against a self-lubricating radial spherical plain bearing 18, the other end of the wedge sleeves is propped against a pressure plate 15, the pressure plate 15 is fastened with the pin 16 through a screw, and the pull plate 14 is connected with the clamp plate B7 through a large screw and a small screw, penetrates through the pressure plate 15 and is connected with the pin 16, so that the pin 16 is prevented from being separated in the movement process. The clamping plate A12 is connected with the clamping plate B7 through the screw 11, the wedge sleeve 17 is clamped when the two clamping plates are connected, and a gap between the wedge sleeve 17 and the pin shaft 16 is eliminated, so that the pin shaft 16 is stressed uniformly, and fatigue fracture cannot occur in the movement process.
Referring to fig. 1 and 3, when a limit stress test, i.e., a large stress slow test, is performed, all three oil cylinders are connected according to the above contents, and when the test is performed, the three oil cylinders simultaneously push the workbench 8 to move, thereby completing the test contents. When a small stress rapid test is carried out, the first oil cylinder 3 and the third oil cylinder 5 are detached, the piston rod 9 returns to the original position, only the second oil cylinder 4 and the workbench 8 are connected, and the workbench 8 is independently pushed by the second oil cylinder 4 to move during the test, so that the related contents of the test 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 (3)
1. The utility model provides a multi-cylinder support test frame structure, includes device body (1) and piston rod (9), its characterized in that: the left lower extreme of device body (1) is provided with base (2), the same hydro-cylinder of three size of upper end joint side by side of base (2), first hydro-cylinder (3), second hydro-cylinder (4), third hydro-cylinder (5) promptly, the right-hand member of first hydro-cylinder (3), second hydro-cylinder (4), third hydro-cylinder (5) is connected with workstation (8), the same hydro-cylinder of three size of first hydro-cylinder (3), second hydro-cylinder (4), third hydro-cylinder (5) has been placed side by side on base (2), piston rod (9) are connected with sensor (6) through the screw, sensor (6) are connected with bearing frame (10), bearing frame (10) are connected with connecting plate A (12), connecting plate B (7) through round pin axle (16).
2. A multicylinder support test frame structure according to claim 1, wherein: a self-lubricating radial spherical plain bearing (18) is arranged between the pin shaft (16) and the bearing seat (10), wedge sleeves (17) are arranged at two ends of the pin shaft (16), and the whole longitudinal direction is fixed through a pulling plate (14), a pressing plate (15) and screws.
3. A multicylinder support test frame structure according to claim 1, wherein: the connecting plate A (12) and the connecting plate B (7) are connected through screws, and the whole transverse mechanism is connected and fastened at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604055.1U CN217845827U (en) | 2021-10-28 | 2021-10-28 | Multi-cylinder support test frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604055.1U CN217845827U (en) | 2021-10-28 | 2021-10-28 | Multi-cylinder support test frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217845827U true CN217845827U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122604055.1U Active CN217845827U (en) | 2021-10-28 | 2021-10-28 | Multi-cylinder support test frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217845827U (en) |
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2021
- 2021-10-28 CN CN202122604055.1U patent/CN217845827U/en active Active
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| 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 multi cylinder support test frame structure 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 |