CN216350031U - High-precision quick leveling device for anchor cable rod drawing experiment - Google Patents
High-precision quick leveling device for anchor cable rod drawing experiment Download PDFInfo
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- CN216350031U CN216350031U CN202122123156.7U CN202122123156U CN216350031U CN 216350031 U CN216350031 U CN 216350031U CN 202122123156 U CN202122123156 U CN 202122123156U CN 216350031 U CN216350031 U CN 216350031U
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- base plate
- protractor
- anchor cable
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Abstract
A high-precision quick leveling device for an anchor cable rod drawing experiment comprises an upper base plate, a lower base plate and a protractor, wherein a lower central hole is formed in the center of the lower base plate, an upper central hole is formed in the center of the upper base plate, the upper base plate and the lower base plate are hinged at the front ends through a first hinge, the upper base plate and the lower base plate are connected at the rear ends through a hydraulic system, and a first protractor and a second protractor are arranged on the side face of the lower base plate; the device can effectively solve the problem that the anchor cable rod is eccentrically pulled due to the fact that the center line of the jack cylinder is not coincident with the axis of the anchor cable rod in the anchor cable rod drawing experiment, is simple in structure and convenient to operate, and guarantees the accuracy of the experiment result while improving the experiment efficiency.
Description
Technical Field
The utility model belongs to the field of geotechnical engineering anchor rod support, and particularly relates to a high-precision quick leveling device for an anchor cable rod drawing experiment.
Background
Anchor cable rod support is an important means in the field of geotechnical engineering and is widely applied to support engineering of coal mine roadways, hydropower side slopes and tunnel surrounding rocks. After the construction of the anchor cable rod is finished, the strength of the anchor cable rod is usually detected by adopting a field anchor cable rod drawing experiment mode so as to evaluate the performances of the anchor cable rod, the grouting body and the surrounding rock anchoring system and the anchoring force of the anchor cable rod. However, in the field drawing experiment process of the anchor cable rod, due to the fact that the slope surface of the experiment is not flat, and the anchor hole and the slope surface of the experiment are not vertical enough, the center line of the jack cylinder cannot be completely coincided with the axis of the anchor cable rod, so that the anchor cable rod is eccentrically pulled, and the accuracy of a test result is finally influenced.
The existing method for solving the problems mainly comprises the steps of arranging a leveling bolt at the base plate part to adjust the inclination angle of the base plate and adjusting the length of the leveling bolt on an adjusting plate to repair the angle, and the method has certain effect of adjusting the repaired angle but has the defects. The former can only adjust the angle within a certain angle range, is not suitable for large-angle restoration, and has a complex adjusting process. The latter has the problem that a large amount of time may be spent in the process of adjusting the device under the condition that the inclination angles of the anchor cable rods are different, and the problems of labor cost, time consumption and low adjustment precision exist.
Disclosure of Invention
In view of the technical problems in the background art, the high-precision quick leveling device for the anchor rod drawing experiment provided by the utility model can effectively solve the problem that the anchor rod is eccentrically pulled due to the fact that the center line of a jack cylinder is not coincident with the axis of the anchor rod during the anchor rod drawing experiment, has a simple structure and is convenient to operate, and the precision of an experiment result is guaranteed while the experiment efficiency is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme to realize:
the utility model provides a high accuracy quick levelling device for anchor rope pole is drawn experiment, is including upper padding plate, lower plate and protractor, the centre department of lower plate has seted up down the centre bore, and the centre department of upper padding plate has seted up the centre bore, and upper padding plate and lower plate are articulated through first hinge in the front end, and upper padding plate and lower plate pass through hydraulic system at the rear end and connect, and the side of lower plate is equipped with first protractor and second protractor.
In the preferred scheme, the hydraulic system comprises a telescopic hydraulic rod and a second hinge, one end of the telescopic hydraulic rod is connected with the lower base plate, the other end of the telescopic hydraulic rod is hinged with the second hinge, and the second hinge is arranged at the rear end of the upper base plate.
In the preferred scheme, a sliding groove is formed in the side wall of the lower bottom plate, a pulley is arranged at the bottom of the second protractor and is arranged in the sliding groove, the second protractor slides along the sliding groove in a limiting mode through the pulley, and the first protractor is fixedly connected with the front end of the side wall of the lower bottom plate.
In the preferred scheme, a groove is formed in the upper end face of the lower bottom plate close to the telescopic hydraulic rod.
In the preferred scheme, an arrow mark strip is carved on the side wall of the lower bottom plate.
This patent can reach following beneficial effect:
1. the device can ensure that the center line of the jack cylinder and the axis of the anchor cable rod are kept coincident in the process of carrying out the drawing experiment of the anchor cable rod by matching the protractor and the upper and lower plates, thereby ensuring that the anchor cable rod is drawn in the vertical direction and solving the problem that the anchor cable rod is eccentrically pulled in the drawing process;
2. the device is simple in structure and convenient to operate, can adjust the testing device to a required angle quickly in the experiment process, and can ensure the accuracy of the result while improving the testing efficiency.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall appearance structure of the present invention;
FIG. 2 is a side view of the overall appearance structure of the present invention;
fig. 3 is a schematic diagram of the experimental installation of the present invention.
In the figure: the device comprises an upper padding plate 1, an upper center hole 2, an arrow mark scale 3, a first protractor 4-1, a second protractor 4-2, a lower center hole 5, a first hinge 6-1, a second hinge 6-2, a lower bottom plate 7, a chute 8, a groove 9, a telescopic hydraulic rod 10, an anchor cable 11 and a slope 12.
Detailed Description
As shown in fig. 1 and 2, a high-precision fast leveling device for an anchor cable rod drawing experiment comprises an upper base plate 1, a lower base plate 7 and a protractor, wherein a lower center hole 5 is formed in the center of the lower base plate 7, an upper center hole 2 is formed in the center of the upper base plate 1, the upper base plate 1 and the lower base plate 7 are hinged at the front ends through a first hinge 6-1, the upper base plate 1 and the lower base plate 7 are connected at the rear ends through a hydraulic system, the upper base plate 1 can rotate around a rotating shaft of the first hinge 6-1 under the control of the hydraulic system, and a first protractor 4-1 and a second protractor 4-2 are arranged on the side surface of the lower base plate 7 and used for measuring included angles between the upper base plate 1 and the lower base plate 7, and between the lower base plate 7 and an anchor cable 11.
The preferable scheme is as shown in fig. 1 and fig. 2, the hydraulic system comprises a telescopic hydraulic rod 10 and a second hinge 6-2, one end of the telescopic hydraulic rod 10 is connected with the lower base plate 7, the other end of the telescopic hydraulic rod 10 is hinged with the second hinge 6-2, and the second hinge 6-2 is arranged at the rear end of the upper base plate 1;
when the telescopic hydraulic rod 10 is contracted, the upper cushion plate 1 rotates around the first hinge 6-1, and the upper cushion plate 1 and the lower cushion plate 7 can be completely closed; when the telescopic hydraulic rod 10 extends, the upper base plate 1 rotates around the first hinge 6-1, so that the included angle between the upper base plate 1 and the lower base plate 7 is adjusted, and finally the angle required by the experiment is achieved.
Preferably, as shown in fig. 1 and 3, a sliding groove 8 is formed in a side wall of the lower base plate 7, a pulley is arranged at the bottom of the second protractor 4-2 and is installed in the sliding groove 8, the second protractor 4-2 can slide along the sliding groove 8 in a limited manner through the pulley, the second protractor 4-2 is used for measuring an angle between the anchor rod 11 and the slope 12 as well as an angle between the anchor rod and the lower base plate 7, the first protractor 4-1 is fixedly connected with a front end of the side wall of the lower base plate 7, and the first protractor 4-1 is used for measuring an angle between the upper base plate 1 and the lower base plate 7.
In a preferred scheme, as shown in fig. 1, a groove 9 is formed in the upper end surface of the lower base plate 7, which is close to a telescopic hydraulic rod 10, so that an angle error caused by incomplete closing of the upper base plate 1 and the lower base plate 7 can be prevented.
The preferable scheme is as shown in fig. 3, arrow scale strips 3 are carved at the side walls of the lower base plate 7, the arrow scale strips 3 can conveniently read the numerical value of the included angle between the upper base plate 1 and the lower base plate 7, and the experimental accuracy is improved.
The working principle of the whole device is as follows:
1. during the experiment, the lower base plate 7 is placed on the slope surface 12, the anchor cable 11 penetrates through the upper central hole 2 and the lower central hole 5, and then the telescopic hydraulic rod 10 is controlled to be telescopic, so that the space between the upper base plate 1 and the lower base plate 7 is completely closed;
2. sliding the second protractor 4-2 to align the circle center of the second protractor 4-2 with the axis of the anchor cable 11, and reading the inclination angle measured by the second protractor 4-2 at the moment and recording the reading as alpha;
3. controlling a contraction hydraulic rod 10 to extend to enable an upper padding plate 1 to be opened around a first hinge 6-1, enabling an arrow mark scale strip 3 on the side wall of the upper padding plate 1 to point to a first protractor 4-1 at the moment, recording the inclination angle reading pointed by the arrow mark scale strip 3 and recording the inclination angle reading as beta;
4. the numerical value of an included angle beta between the upper base plate 1 and the lower base plate 7 is changed by controlling the contraction hydraulic rod 10, when the sum of the numerical values of beta and alpha is 90, the change of the length of the contraction hydraulic rod 10 is stopped, and at the moment, the upper base plate 1 and the anchor cable 11 are in a mutually perpendicular state;
5. the anchor device and the center-penetrating jack are arranged on the upper backing plate 1, and then the anchor cable 11 can be vertically pulled up.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.
Claims (5)
1. The utility model provides a high accuracy quick levelling device for anchor rope pole is drawn experiment, includes upper padding plate (1), lower plate (7) and protractor, its characterized in that: the center of the lower base plate (7) is provided with a lower center hole (5), the center of the upper base plate (1) is provided with an upper center hole (2), the front ends of the upper base plate (1) and the lower base plate (7) are hinged through a first hinge (6-1), the rear ends of the upper base plate (1) and the lower base plate (7) are connected through a hydraulic system, and the side face of the lower base plate (7) is provided with a first protractor (4-1) and a second protractor (4-2).
2. The high-precision quick leveling device for anchor rod pulling experiment according to claim 1, characterized in that: the hydraulic system comprises a telescopic hydraulic rod (10) and a second hinge (6-2), one end of the telescopic hydraulic rod (10) is connected with the lower base plate (7), the other end of the telescopic hydraulic rod (10) is hinged with the second hinge (6-2), and the second hinge (6-2) is arranged at the rear end of the upper base plate (1).
3. The high-precision quick leveling device for anchor rod pulling experiment according to claim 1, characterized in that: the side wall of the lower bottom plate (7) is provided with a sliding groove (8), the bottom of the second protractor (4-2) is provided with a pulley and is arranged in the sliding groove (8), the second protractor (4-2) slides along the sliding groove (8) in a limiting manner through the pulley, and the first protractor (4-1) is fixedly connected with the front end of the side wall of the lower bottom plate (7).
4. The high-precision quick leveling device for anchor rod pulling experiment according to claim 1, characterized in that: the upper end surface of the lower bottom plate (7) is provided with a groove (9) close to the telescopic hydraulic rod (10).
5. The high-precision quick leveling device for anchor rod pulling experiment according to claim 1, characterized in that: an arrow mark strip (3) is carved on the side wall of the lower bottom plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122123156.7U CN216350031U (en) | 2021-09-03 | 2021-09-03 | High-precision quick leveling device for anchor cable rod drawing experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122123156.7U CN216350031U (en) | 2021-09-03 | 2021-09-03 | High-precision quick leveling device for anchor cable rod drawing experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216350031U true CN216350031U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122123156.7U Active CN216350031U (en) | 2021-09-03 | 2021-09-03 | High-precision quick leveling device for anchor cable rod drawing experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216350031U (en) |
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2021
- 2021-09-03 CN CN202122123156.7U patent/CN216350031U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hubei Shuiqingmeng Technology Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2022980018514 Denomination of utility model: A High Precision and Fast Leveling Device for Pulling Test of Anchor Rod Granted publication date: 20220419 License type: Exclusive License Record date: 20221024 |