CN212459181U - Axial drawing test support for all-terrain anchor rod - Google Patents
Axial drawing test support for all-terrain anchor rod Download PDFInfo
- Publication number
- CN212459181U CN212459181U CN202020970653.3U CN202020970653U CN212459181U CN 212459181 U CN212459181 U CN 212459181U CN 202020970653 U CN202020970653 U CN 202020970653U CN 212459181 U CN212459181 U CN 212459181U
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- bearing plate
- rod
- threaded
- terrain
- anchor rod
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides an experimental support is drawn to full topography stock axial, includes the loading board, and the loading board lower extreme articulates there is scalable landing leg, and scalable connecting rod one end is articulated with scalable landing leg, and the other end is articulated with the loading board, and loading board, scalable connecting rod, scalable landing leg constitute stable triangle-shaped structure. The utility model provides a pair of experimental support is drawn to full topography stock axial can improve the flexibility and provide one with the firm loading plane of stock axis vertically.
Description
Technical Field
The utility model relates to a test device is drawn to full topography stock axial, especially a test support is drawn to full topography stock axial.
Background
There are more factors to lead to the testing result to appear the deviation at the in-process of carrying out stock withdrawal resistance test, and wherein the most important reason is that cavity jack loading axis and stock axis appear the contained angle, lead to the testing result always to be greater than the actual axial atress of stock, and the contained angle is big more, and the result deviation is also big more. The main causes of such deviations are: 1) the self inclination angle of the anchor rod uplift force test device is variable, and the inclination angle is within almost 360 ranges of upward inclination, downward inclination, horizontal and vertical; 2) the anchor rods are positioned at different positions and have different forms such as a slope surface, a chamber side wall, a top arch and the like; 3) the exposed surface has various conditions, and the exposed surface has original soil texture, weathered stone and stone side slope which are just excavated, and the concrete surface is sprayed.
The method adopted at present is that a steel backing plate is firstly placed before a hollow jack of an anchor rod drawing instrument is installed, the bearing capacity of an exposed surface in the anchor rod loading process is increased, and the influence of local deformation is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem that an all-terrain anchor rod axial is drawn experimental support is provided to ensure that quick, accurate provide one with the firm loading plane of anchor rod axis vertically.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides an experimental support is drawn to full topography stock axial, includes the loading board, and the loading board lower extreme articulates there is scalable landing leg, and scalable connecting rod one end is articulated with scalable landing leg, and the other end is articulated with the loading board, and loading board, scalable connecting rod, scalable landing leg constitute stable triangle-shaped structure.
The bearing plate center is equipped with the through-hole, and funnel-shaped guide cylinder is installed with the through-hole coaxial center to bearing plate lower extreme.
The telescopic supporting leg comprises a lower threaded rod and an upper threaded sleeve, and the lower threaded rod and the upper threaded sleeve are in threaded connection.
And the lower threaded rod is hinged with a base plate.
The telescopic connecting rod comprises a first threaded rod and a second threaded rod, and the rotating directions of the first threaded rod and the second threaded rod are opposite and are in threaded connection with the first threaded sleeve.
The funnel-shaped guide cylinder is perpendicular to the bearing plate.
The utility model relates to an experimental support is drawn to full topography stock axial has following technological effect:
1) through setting up loading board, guide cylinder, the loading board is perpendicular with the guide cylinder, and after later stage installation, loading plane is mutually perpendicular with the stock axis like this, makes cavity jack loading axis parallel with the stock axis, and the more real reflection stock quality situation of testing result can greatly reduce experimental deviation.
2) By arranging the telescopic connecting rods and the telescopic supporting legs, the position where the anchor rod is located can be adjusted according to different positions, the situation that after the anchor rod is installed is guaranteed, the loading plane is perpendicular to the axis of the anchor rod, the adjusting flexibility is improved, and the anchor rod is not limited by geographical positions and landforms.
3) Through setting up detachable guide cylinder, can change the guide cylinder of different diameters according to stock design diameter to reach the clearance of furthest reduction stock and guide cylinder, realize loading plane and stock axis purpose perpendicular as far as possible
4) By arranging the backing plate, the device can be fully contacted with the exposed surface of the measuring part, so that the stress deformation is reduced, and the stability is ensured.
Drawings
The invention will be further explained with reference to the following figures and examples:
figure 1 is the cross-sectional view of the bearing plate in the diagonal direction of the present invention.
Fig. 2 is a schematic view of the working state of the present invention.
In the figure: the anchor rod comprises an anchor rod 1, an anchoring device 2, a hollow jack 3, a bearing plate 4, a telescopic connecting rod 5, a telescopic supporting leg 6, a guide cylinder 7, a base plate 8, a first threaded rod 5-1, a second threaded rod 5-2, a first threaded sleeve 5-3, a lower threaded rod 6-1 and an upper threaded sleeve 6-2.
Detailed Description
As shown in figures 1-2, the axial drawing test support for the all-terrain anchor rod comprises a bearing plate 4, wherein the bearing plate 4 is of a square structure, a through hole is formed in the center of the bearing plate 4, a threaded pipe orifice is formed in the lower end of the through hole, and a funnel-shaped guide cylinder 7 is in threaded detachable connection with the threaded pipe orifice. Funnel-shaped guide cylinder 7 is perpendicular with loading board 4, can be perpendicular with loading board 4 when stock 1 passes funnel-shaped guide cylinder 7, and loading plane is mutually perpendicular with stock 1 axis when can effectively guaranteeing the support installation like this. Four telescopic supporting legs 6 are hinged to the lower end of the bearing plate 4, and the four telescopic supporting legs 6 are arranged in two groups on the left and right. The middle part of each telescopic supporting leg 6 is hinged with a telescopic connecting rod 5, the other end of each telescopic connecting rod 5 is hinged with the bearing plate 4, and the bearing plates 4, the telescopic connecting rods 5 and the telescopic supporting legs 6 form a stable triangular structure, so that the stability of the support is ensured.
The telescopic connecting rod 5 is arranged on the diagonal line of the bearing plate 4 at the hinge point of the bearing plate 4, so that the opening and closing of the telescopic supporting leg 6 and the stability of later stress are ensured.
The telescopic supporting leg 6 comprises a lower threaded rod 6-1 and an upper threaded sleeve 6-2, wherein the lower threaded rod 6-1 and the upper threaded sleeve 6-2 are in threaded connection. By rotating the lower threaded rod 6-1, the lower threaded rod 6-1 extends in and out relative to the upper threaded sleeve 6-2, and the length of each telescopic supporting leg 6 can be conveniently adjusted.
The telescopic connecting rod 5 comprises a first threaded rod 5-1 and a second threaded rod 5-2, and the first threaded rod 5-1 and the second threaded rod 5-2 are opposite in rotation direction and are in threaded connection with the first threaded sleeve 5-3. The first and second threaded rods 5-1 and 5-2 can be relatively moved toward and away from each other by rotating the first threaded sleeve 5-3, so that the overall length of the telescopic link 5 can be adjusted.
The lower threaded rod 6-1 is hinged with a backing plate 8. The shim plate 8 is intended to be in full contact with the rock face.
The working principle and the process are as follows:
1) selecting a guide cylinder 7 with matched inner diameter according to the diameter of the measured anchor rod 1, and installing the guide cylinder 7 on the bearing plate 4 in a threaded connection mode;
2) the anchor rod 1 penetrates through the guide cylinder 7, the first thread sleeve 5-3 is rotated according to the topographic condition of the part where the anchor rod 1 is located to adjust the opening and closing angle of the telescopic supporting leg 6, and a proper supporting point of the supporting leg is searched;
3) adjusting the length of 4 telescopic supporting legs 6, and adjusting the angle of a base plate 8 when the tail ends of the telescopic supporting legs 6 are close to the rock surface so as to enable the base plate to be fully contacted with the rock surface;
4) installing an anchor rod drawing instrument (comprising an anchoring device 2 and a hollow jack 3) according to the standard requirement;
5) and loading the test according to a method specified by the specification, and taking down the jack and the support after the test is finished.
Claims (6)
1. The utility model provides an experimental support is drawn to all topography stock axial which characterized in that: the bearing plate comprises a bearing plate (4), wherein the lower end of the bearing plate (4) is hinged with a telescopic supporting leg (6), one end of a telescopic connecting rod (5) is hinged with the telescopic supporting leg (6), the other end of the telescopic connecting rod is hinged with the bearing plate (4), and the bearing plate (4), the telescopic connecting rod (5) and the telescopic supporting leg (6) form a stable triangular structure.
2. The axial drawing test support for the all-terrain anchor rod according to claim 1, is characterized in that: the center of the bearing plate (4) is provided with a through hole, and the lower end of the bearing plate (4) is coaxially provided with the through hole and is provided with a funnel-shaped guide cylinder (7).
3. The axial drawing test support for the all-terrain anchor rod according to claim 1, is characterized in that: the telescopic supporting leg (6) comprises a lower threaded rod (6-1) and an upper threaded sleeve (6-2), and the lower threaded rod (6-1) and the upper threaded sleeve (6-2) are in threaded connection.
4. The axial drawing test support for the all-terrain anchor rod according to claim 3, is characterized in that: a base plate (8) is hinged to the lower threaded rod (6-1).
5. The axial drawing test support for the all-terrain anchor rod according to claim 1, is characterized in that: the telescopic connecting rod (5) comprises a first threaded rod (5-1) and a second threaded rod (5-2), and the rotating directions of the first threaded rod (5-1) and the second threaded rod (5-2) are opposite and are in threaded connection with the first threaded sleeve (5-3).
6. The axial drawing test support for the all-terrain anchor rod according to claim 2, is characterized in that: the funnel-shaped guide cylinder (7) is perpendicular to the bearing plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020970653.3U CN212459181U (en) | 2020-06-01 | 2020-06-01 | Axial drawing test support for all-terrain anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020970653.3U CN212459181U (en) | 2020-06-01 | 2020-06-01 | Axial drawing test support for all-terrain anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212459181U true CN212459181U (en) | 2021-02-02 |
Family
ID=74478309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020970653.3U Withdrawn - After Issue CN212459181U (en) | 2020-06-01 | 2020-06-01 | Axial drawing test support for all-terrain anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212459181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984503A (en) * | 2021-11-10 | 2022-01-28 | 昆明理工大学 | Pipe seam type anchor rod drawing instrument and drawing method thereof |
-
2020
- 2020-06-01 CN CN202020970653.3U patent/CN212459181U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984503A (en) * | 2021-11-10 | 2022-01-28 | 昆明理工大学 | Pipe seam type anchor rod drawing instrument and drawing method thereof |
| CN113984503B (en) * | 2021-11-10 | 2023-02-03 | 昆明理工大学 | Tube seam type anchor rod drawing instrument and drawing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210202 Effective date of abandoning: 20220419 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210202 Effective date of abandoning: 20220419 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |