CN213301898U - Support creep test device - Google Patents
Support creep test device Download PDFInfo
- Publication number
- CN213301898U CN213301898U CN202021303113.6U CN202021303113U CN213301898U CN 213301898 U CN213301898 U CN 213301898U CN 202021303113 U CN202021303113 U CN 202021303113U CN 213301898 U CN213301898 U CN 213301898U
- Authority
- CN
- China
- Prior art keywords
- plate
- pressing plate
- disc spring
- area
- base plate
- 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
A support creep test device comprises a stand column, an upper pressure plate, a middle pressure plate, a lower pressure plate, a disc spring cover and a base plate; the upper pressing plate, the middle pressing plate, the lower pressing plate and the base plate are all sleeved on the stand columns, the stand columns are provided with a plurality of sections and are designed to be variable in cross section, and locking devices are arranged on the upper parts of the upper pressing plate and the lower parts of the base plate of the stand columns; a pushing device and a pressure sensor are arranged between the disc spring cover and the lower pressing plate, the bottom of the pushing device is installed on the upper end face of the disc spring cover, the upper end of the pressure sensor props against the lower end face of the lower pressing plate, a disc spring is arranged between the disc spring cover and the base plate, an axial column is arranged in the center of the upper end face of the base plate, an axial column hole corresponding to the axial column is formed in the lower end face of the base plate, and the center of the disc spring is connected with the axial column of the base plate in series; the load can be continuously supplemented; the position of the disc spring is effectively limited by the axial column and the disc spring cover designed on the bottom plate, and the whole structure is stabilized; the design of the variable cross-section stand column enables the positions of the upper pressure plate and the lower pressure plate to be fixed, the clearance is kept, and the installation is convenient.
Description
Technical Field
The utility model relates to a test device, specifically speaking are support creep test device.
Background
The rubber shock insulation technology has an important effect on reducing the damage of a horizontal earthquake to buildings and bridge structures, and has good horizontal deformation capacity and energy consumption effect, so that the rubber shock insulation technology is applied to the buildings and the bridges, can effectively reduce the damage of the horizontal vibration of the earthquake to the buildings and the bridges, and obtains good tests in multiple practical earthquakes in recent years, and the rubber support is widely applied to the buildings and the bridge shock insulation structures; however, at present, no test device specially used for the creep (creep: compression deformation of the support generated by a fixed load) performance test of the vibration isolation rubber support exists, after the standard GB/T20688.1-2007 is implemented, the standard requires that the creep performance test requires that the applied load-holding measurement time is not less than 1000h, the whole-course manual loading is required in the prior art, continuous and stable load supplement cannot be provided, the time and the labor are wasted, and the test efficiency is difficult to improve.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is that the whole artifical loading of needs among the prior art also can not provide and last, stabilize the load and supply, and is more time-consuming and energy-consuming, is difficult to improve test efficiency.
The utility model adopts the technical proposal that: a support creep test device comprises a stand column, an upper pressure plate, a middle pressure plate, a lower pressure plate, a disc spring cover and a base plate; the upright posts are provided with a plurality of upright posts; the upright post is designed with a variable cross section and is divided into a first area, a second area, a third area and a fourth area from top to bottom, the diameters of the upright posts of the first area, the second area and the third area are sequentially increased, the diameter of the upright post of the fourth area is smaller than that of the upright post of the third area, the upper pressing plate is sleeved on the first area, the middle pressing plate and the lower pressing plate are sleeved on the second area, the base plate is sleeved on the fourth area, and the upright post is provided with a locking device at the upper part of the upper pressing plate and; a pushing device and a pressure sensor are arranged between a disc spring cover and a lower pressing plate, the bottom of the pushing device is installed on the upper end face of the disc spring cover, the upper end of the pressure sensor props against the lower end face of the lower pressing plate, a disc spring is arranged between the disc spring cover and a base plate, an axial column is arranged at the center of the upper end face of the base plate, an axial column hole corresponding to the axial column is formed in the lower end face of the base plate, and the center of the disc spring is connected with the axial column of the base plate in series.
Furthermore, the quantity of stand is the root, arranges respectively in the edge of top board, well clamp plate, holding down plate and bed plate.
Furthermore, the upper press plate, the middle press plate, the lower press plate and the base plate are sleeved on the stand column through round holes with corresponding sizes arranged at the corners.
Further, the pushing device is a jack.
Further, the locking device is a bolt, and correspondingly, threads matched with the bolt are carved on the surfaces of the upper part of the upper pressure plate and the lower part of the lower pressure plate of the upright post.
The test method of the support creep test device comprises the following steps:
the method comprises the following steps: the support creep test device is horizontally and stably placed on a test bed;
step two: adjusting the position of the bolt at the upper part of the upper pressure plate according to the size of the support to be tested; if the number of the supports to be tested is two, placing a support and a dial indicator between the upper pressure plate and the middle pressure plate and between the middle pressure plate and the lower pressure plate respectively; if the number of the supports to be tested is one, a cushion block is arranged between the upper pressing plate and the middle pressing plate or between the upper pressing plate and the lower pressing plate to replace the supports;
step three: according to the pressure value fed back by the pressure sensor, a standard loading weight or a weight is added above the upper pressing plate to reach a specified weight, and the pressure reaches the requirement of a creep test by pressurizing the pushing device.
The utility model has the advantages and the characteristics that: the design of the upper pressure plate, the middle pressure plate and the lower pressure plate is convenient for installing a dial indicator to test creep. The disc spring can prevent the loss of mechanical top pressure and can continuously supplement load. The axial column and the dish spring cover designed on the bottom plate effectively limit the position of the dish spring, and the whole structure is stabilized. The design of the variable cross-section stand column enables the positions of the upper pressure plate and the lower pressure plate to be fixed, the clearance is kept, and the installation is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a pillar according to a preferred embodiment of the present invention;
FIG. 3 is a schematic structural view of the upper press plate according to the preferred embodiment of the present invention (the structure of the middle press plate, the lower press plate and the base plate is similar to that of the upper press plate);
FIG. 4 is a schematic structural view of a disc spring cover according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of the base plate and the axial post according to the preferred embodiment of the present invention;
the reference numbers in the figures denote: 1-upright column, 2-upper pressing plate, 3-middle pressing plate, 4-lower pressing plate, 5-disc spring cover, 51-axial column hole, 6-base plate, 61-axial column, 7-locking device, 8-pushing device and 9-pressure sensor.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
example 1:
referring to fig. 1, 3, 4 and 5, a support creep test device includes a column 1, an upper press plate 2, a middle press plate 3, a lower press plate 4, a disc spring cover 5 and a base plate 6; the upright posts 1 are provided with a plurality of upright posts; the upper pressing plate 2, the middle pressing plate 3, the lower pressing plate 4 and the base plate 6 are sleeved on the upright post 1 through round holes with corresponding sizes arranged at the corners; the upright post 1 is provided with a locking device 7 at the upper part of the upper pressure plate 2 and the lower part of the lower pressure plate 6, the locking device 7 can be a bolt, correspondingly, the surface of the upright post 1 at the upper part of the upper pressure plate 2 and the surface of the lower part of the lower pressure plate 4 are provided with threads matched with the bolt;
a pushing device 8 (such as a jack) and a pressure sensor 9 are arranged between the disc spring cover 5 and the lower pressing plate 4, the bottom of the pushing device 8 is installed on the upper end face of the disc spring cover 5, the upper end of the pressure sensor 9 is propped against the lower end face of the lower pressing plate 4, a disc spring 10 is arranged between the disc spring cover 5 and the base plate 6, an axial column 61 is arranged in the center of the upper end face of the base plate 6, an axial column hole 51 corresponding to the axial column 61 is arranged on the lower end face of the base plate 6, the center of the disc spring 10 is connected with the axial column 61 of the base plate 6 in series, and the disc spring 10 provides continuous load supplement and can effectively prevent the jack from being loosened; the axle post 61 and the disc spring 5 can effectively limit the position of the disc spring, and the whole structure is stabilized.
Preferably, the number of the columns 1 is 4, and the columns are respectively arranged at the corners of the upper press plate 2, the middle press plate 3, the lower press plate 4 and the base plate 6.
Example 2:
referring to fig. 2, the column 1 is of a variable cross-section design and is divided into a first region, a second region, a third region and a fourth region from top to bottom, the diameters of the columns of the first region, the second region and the third region are sequentially increased, the diameter of the column of the fourth region is smaller than that of the column of the third region, wherein the upper press plate 2 is sleeved on the first region, the middle press plate 3 and the lower press plate 4 are sleeved on the second region, and the base plate 6 is sleeved on the fourth region.
The test method of the support creep test device comprises the following steps:
the method comprises the following steps: the support creep test device is horizontally and stably placed on a test bed;
step two: adjusting the position of a bolt at the upper part of the upper pressure plate 2 according to the size of a support to be tested; if the number of the supports to be tested is two, a support and a dial indicator are respectively arranged between the upper pressure plate 2 and the middle pressure plate 3 and between the middle pressure plate 3 and the lower pressure plate 4; if the number of the supports to be tested is one, a cushion block is arranged between the upper pressing plate 2 and the middle pressing plate 3 or between the middle pressing plate 3 and the lower pressing plate 4 to replace the supports;
step three: according to the pressure value fed back by the pressure sensor 9, a standard loading weight or a weight is added above the upper pressing plate 2 to a specified weight, and the pressure reaches the requirement of the creep test by pressurizing the pushing device 8.
Creep test device, the design is completely by oneself, is applicable to the support test device who accords with national standard GB20688.1, and wherein stand variable cross section design, well clamp plate design, the dish spring axis post design of bottom plate, dish spring lid design are the innovation point.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description of the above embodiments and the description is only for the purpose of illustrating the structural relationships and principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, and that these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a support creep test device which characterized in that: comprises a column (1), an upper pressing plate (2), a middle pressing plate (3), a lower pressing plate (4), a disc spring cover (5) and a base plate (6); the upright posts (1) are provided with a plurality of upright posts; the upright post (1) is designed to be variable in cross section and is divided into a first area, a second area, a third area and a fourth area from top to bottom, the diameters of the upright posts of the first area, the second area and the third area are sequentially increased, the diameter of the upright post of the fourth area is smaller than that of the upright post of the third area, the upper pressing plate (2) is sleeved on the first area, the middle pressing plate (3) and the lower pressing plate (4) are sleeved on the second area, the base plate (6) is sleeved on the fourth area, and the upright post (1) is provided with locking devices (7) at the upper part of the upper pressing plate (2) and the; a pushing device (8) and a pressure sensor (9) are arranged between a disc spring cover (5) and a lower pressing plate (4), the bottom of the pushing device (8) is installed on the upper end face of the disc spring cover (5), the upper end of the pressure sensor (9) abuts against the lower end face of the lower pressing plate (4), a disc spring (10) is arranged between the disc spring cover (5) and a base plate (6), an axial column (61) is arranged at the center of the upper end face of the base plate (6), an axial column hole (51) corresponding to the axial column (61) is formed in the lower end face of the base plate (6), and the center of the disc spring (10) is connected with the axial column (61) of the base plate (6) in series.
2. The standoff creep test apparatus of claim 1 wherein: the quantity of stand (1) is 4, arranges respectively in the edge of top board (2), well clamp plate (3), holding down plate (4) and bed plate (6).
3. The standoff creep test apparatus of claim 1 wherein: the upper pressing plate (2), the middle pressing plate (3), the lower pressing plate (4) and the base plate (6) are sleeved on the upright post (1) through round holes with corresponding sizes arranged at the corners.
4. The standoff creep test apparatus of claim 1 wherein: the pushing device (8) is a jack.
5. The standoff creep test apparatus of claim 1 wherein: the locking device (7) is a bolt, and correspondingly, threads matched with the bolt are carved on the surfaces of the upper part of the upper pressure plate (2) and the lower part of the lower pressure plate (4) of the upright post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021303113.6U CN213301898U (en) | 2020-07-06 | 2020-07-06 | Support creep test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021303113.6U CN213301898U (en) | 2020-07-06 | 2020-07-06 | Support creep test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213301898U true CN213301898U (en) | 2021-05-28 |
Family
ID=76019334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021303113.6U Active CN213301898U (en) | 2020-07-06 | 2020-07-06 | Support creep test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213301898U (en) |
-
2020
- 2020-07-06 CN CN202021303113.6U patent/CN213301898U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111707559A (en) | Support creep test device and test method thereof | |
| CN213301898U (en) | Support creep test device | |
| CN214373942U (en) | Concrete compression creep test device | |
| CN202928890U (en) | Load transmission testing equipment | |
| CN211289260U (en) | Forestry is with check out test set support device | |
| CN109881784B (en) | Cambered surface sliding type three-dimensional shock insulation support | |
| CN108303320A (en) | A kind of device and method applying prestressing force and pull-out test | |
| CN108798169B (en) | Embedded elastic shock isolation device, embedded elastic shock isolation system and use method thereof | |
| CN212223987U (en) | Pile foundation bearing capacity detection equipment with anti-falling function | |
| CN203965165U (en) | A kind of spatial mesh structure Progressive Collapse, impact experiment platform | |
| CN110136853B (en) | Fuel assembly impact test supporting device and frequency adjusting method thereof | |
| CN221098314U (en) | Gas holder base | |
| CN204666375U (en) | Easy structure model test apparatus | |
| CN217845594U (en) | Herringbone ladder static load test device and detection system | |
| CN105973406A (en) | Improved dual-precision electronic scale | |
| CN106017659A (en) | Double-precision electronic scale | |
| CN218271697U (en) | Pipeline bracket bearing capacity test device | |
| CN105973439A (en) | Improved dual-precision electronic scale | |
| CN219064857U (en) | Pendant for pseudo static test and pseudo static test device | |
| CN210196803U (en) | Cradle type base | |
| CN205806077U (en) | Small-sized lifting hydraulic cylinder test-bed | |
| CN219773351U (en) | Honeycomb board convenient to dismantle | |
| CN210401019U (en) | In-hole load transmission column | |
| CN218455498U (en) | Column type sensor | |
| CN220353491U (en) | Support frame for high-rise building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211110 Address after: 430034 floor 20, building 6, Lianfa Jiudu mansion, No. 235, Jiefang Avenue, Qiaokou District, Wuhan City, Hubei Province Patentee after: Hubei Chutian Lianfa road and bridge maintenance Co., Ltd Address before: 430000 No. 14, floor 20, building 6, Lianfa jiudufu, No. 235, Jiefang Avenue, Qiaokou District, Wuhan City, Hubei Province Patentee before: Hubei Chutian Lianfa Engineering Testing Co., Ltd |
|
| TR01 | Transfer of patent right |