CN213397918U - Leveling device for exposed anchor rod drawing detection - Google Patents
Leveling device for exposed anchor rod drawing detection Download PDFInfo
- Publication number
- CN213397918U CN213397918U CN202022459933.0U CN202022459933U CN213397918U CN 213397918 U CN213397918 U CN 213397918U CN 202022459933 U CN202022459933 U CN 202022459933U CN 213397918 U CN213397918 U CN 213397918U
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- China
- Prior art keywords
- stock
- plate
- backup pad
- adjusting
- anchor rod
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- Expired - Fee Related
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Abstract
The utility model discloses a levelling device for exposing stock draws detection, the utility model discloses a first mounting hole and second mounting hole are fixed a position the stock, change the contained angle of backup pad and regulating plate through jack-up mechanism, thereby adapt to the stock of various different angles, this device is at building site test sites such as tunnel engineering, different inclination's stock all can this device realize drawing the reasonable installation of appearance, through the length of contained angle and the regulating rod between regulating plate and the backup pad, realize that stock the central axis draws the coincidence of appearance jack axis with the stock, thereby make to expose the stock and receive even pulling force in the testing process, ensure to draw the accuracy of test result. The device is simple in structure, reasonable in design, practical and convenient, and the design of the supporting plate improves the fitting degree of the anchor rod drawing force in detection with the test reference surface and improves the accuracy of a test result.
Description
Technical Field
The utility model belongs to the anchor rod draws detection device field among the tunnel engineering, concretely relates to a levelling device for exposing anchor rod and drawing detection.
Background
The bolting-shotcrete support is used as an important means for reinforcing surrounding rocks of mountain tunnels and is often used in areas with poor surrounding rock grades. The anchor rod and the sprayed concrete wall body present a certain inclination angle according to the design requirements of anchor-spraying support or man-made interference in construction, and the anchor rod drawing test specification indicates that the central line of a jack cylinder in the test process should coincide with the axis of the anchor rod, so that the accuracy of the test result is prevented from being influenced by eccentric tension.
The existing detection method has a large influence on the detection result of the anchor rod, and in addition, if the inclination angle is too small, the jack cylinder can generate the phenomenon of abnormal stress application, and after the jack is timely and reluctantly installed and tested, the reliability of the result is still questionable, and meanwhile, the service life of the jack is influenced due to the uneven compression of the jack.
Therefore, how to design an auxiliary angle adjusting device under the condition that the anchor rod is inclined so as to achieve the aim that the axis of the anchor rod can coincide with the axis of a jack cylinder at any angle is urgent to solve.
There are also problems in the current publications related to angle restoration during bolt testing. For example, chinese patent application No. 201821266372.9 discloses a leveling device for an exposed anchor rod pull test, which achieves the purpose of angle restoration by adjusting the length of a leveling bolt on an adjusting plate, but in practical application, because the inclination angles of the anchor rods are different, there is a problem that a large amount of time may be required in the process of adjusting the device.
Then like chinese patent application No. 201920895406.9, disclose a levelling device that stock was drawn and is detected, this device adjusts the backing plate inclination through set up leveling bolt in base backing plate position, can realize the stock perpendicular atress in a certain angle, but the angle scope is less, and has the comparatively loaded down with trivial details problem of accommodation process.
Disclosure of Invention
An object of the utility model is to overcome the aforesaid not enough, provide a levelling device for exposing stock drawing detection, thereby can reach the purpose that changes contained angle between backup pad and the regulating plate through the position that changes the connecting rod on the regulating plate, simple effectual realization angle repair problem guarantees the perpendicular atress in the stock test process, ensures the accuracy of test result.
In order to achieve the purpose, the utility model discloses a first mounting hole has been seted up in backup pad and regulating plate in the backup pad, is provided with the second mounting hole on the regulating plate, and the bottom of backup pad and regulating plate is articulated, and the regulating plate is connected with the backup pad through adjusting the pole, and the regulating plate top is provided with the support, and the top of backup pad is provided with the fixed ring, and support one end is provided with the jack, is connected with the one end of steel wire on the jack, and the fixed ring is connected to the other end of steel wire.
The support is provided with a locking plate, the retraction mechanism comprises a retraction shaft, one end of the steel wire is fixed on the retraction shaft, the retraction shaft is provided with a handle, and the retraction shaft is provided with a ratchet wheel matched with the locking plate.
The top of support is provided with the fixed pulley, and the steel wire passes through the fixed pulley and fixes with receive and release axle and fixed ring.
Be provided with a plurality of fixed orificess in the backup pad, adjust the pole and include two screw rods, through positive and negative nut muffjoint between two screw rods, adjust the one end of pole and insert in the fixed orifices, the other end is articulated with the regulating plate.
The positive and negative nut sleeves are provided with adjusting rod adjusting holes.
All the fixing holes are symmetrically and vertically arranged on the supporting plate.
The inside of the fixed hole is in a semicircle shape for fixing the adjusting rod.
Compared with the prior art, the utility model discloses a first mounting hole and second mounting hole are fixed a position the stock, change the contained angle of backup pad and regulating plate through jack mechanism, thereby adapt to the stock of various different angles, this device is at building site test sites such as tunnel engineering, different inclination's stock all can this device realize drawing the reasonable installation of appearance, through the length of contained angle and the regulating rod between regulating plate and the backup pad, realize the coincidence that appearance jack axis is drawn to stock the central axis and stock, thereby make the stock that exposes receive even pulling force in the testing process, ensure to draw the accuracy of test result. The device is simple in structure, reasonable in design, practical and convenient, and the design of the supporting plate improves the fitting degree of the anchor rod drawing force in detection with the test reference surface and improves the accuracy of a test result.
Further, the utility model discloses a be provided with a plurality of fixed orificess in the backup pad, can reach the prosthetic purpose of angle through changing the different load point position of regulation pole in the backup pad.
Further, the utility model discloses collapsible when not using, save space, the telescopic design of positive and negative nut can be convenient for later stage to the maintenance and the change of adjusting lever in addition.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the usage state of the present invention;
fig. 3 is an enlarged schematic view of the structure of the tiny components of the leveling device of the present invention;
FIG. 4 is a schematic view of the engagement between the retractable shaft and the locking plate of the present invention;
in the figure: 1-wall body, 2-anchor rod, 3-support plate, 4-adjusting rod, 5-adjusting plate, 6-jack, 7-drawbench clamp, 8-handle, 9-screw rod, 10-second mounting hole, 11-fixing hole, 12-first mounting hole, 13-steel wire, 14-fixing ring, 15-fixed pulley, 16-retracting shaft, 17-bracket, 18-positive and negative nut sleeve, 19-adjusting rod adjusting hole and 20-locking plate.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, fig. 3 and fig. 4, the utility model discloses a backup pad 3 and regulating plate 5, first mounting hole 12 has been seted up in the backup pad 3, be provided with second mounting hole 10 on the regulating plate 5, the bottom of backup pad 3 and regulating plate 5 is articulated, regulating plate 5 is connected with backup pad 3 through adjusting pole 4, regulating plate 5 top is provided with support 17, the top of backup pad 3 is provided with fixed ring 14, support 17 one end is provided with the jack, the last one end that is connected with steel wire 13 of jack, fixed ring 14 is connected to steel wire 13's the other end. The support 17 is provided with a locking plate 20, the retraction mechanism comprises a retraction shaft 16, one end of the steel wire 13 is fixed on the retraction shaft 16, the retraction shaft 16 is provided with a handle 8, and the retraction shaft 16 is provided with a ratchet wheel matched with the locking plate 20. The fixed pulley 15 is positioned on the same side of the adjusting rod 4 and is vertically installed with the adjusting plate, the receiving and releasing shaft 16 and the locking plate 20 are positioned on the other side of the adjusting plate 5, and the position of the fixed pulley 15, the position of the receiving and releasing shaft 16 and the position of the locking plate 20 are positioned on a perpendicular bisector of a hinge line of the supporting plate 3 and the adjusting plate 5. Further, the fixed pulley 15, the retractable shaft 16 and the locking plate 20 are connected to the bracket 17 by means of hinges.
The top of the bracket 17 is provided with a fixed pulley 15, and the steel wire 13 is fixed with the take-up and pay-off shaft 16 and the fixed ring 14 through the fixed pulley 15. The supporting plate 3 is provided with a plurality of fixing holes 11, the adjusting rod 4 comprises two screw rods, the two screw rods are connected through a positive nut sleeve 18 and a negative nut sleeve 18, one end of the adjusting rod 4 is inserted into the fixing holes 11, and the other end of the adjusting rod is hinged to the adjusting plate 5. The positive and negative nut sleeve 18 is provided with an adjusting rod adjusting hole 19, and the hole is designed to assist the positive and negative nut sleeve 18 to rotate, so that the purpose of finely adjusting the length of the adjusting rod is achieved. All the fixing holes 11 are symmetrically and vertically arranged on the supporting plate 3. The inside of the fixing hole 11 is formed in a semicircular shape for fixing the adjustment lever 4.
Referring to fig. 2, when in use, the support plate 3 is in surface contact with the tunnel wall, the anchor rod 4 passes through the first mounting hole 12 and the second mounting hole 10 of the support plate 3 and the adjusting plate 5, the adjusting plate 4 is perpendicular to the central axis of the anchor rod through the manual adjusting handle 8, the locking plate 20 is put down, so that the take-up and pay-off shaft 16 is fixed, a certain included angle is formed between the support plate 3 and the adjusting plate 5, the screw 9 on the adjusting rod 4 is fixed at the corresponding fixing hole 11 of the support plate 3 through rotating the adjusting rod 4 to the support plate 3, at the moment, the whole adjusting rod 4 is basically in an unstressed state, the adjusting rod 4 is in a pressed state through adjusting the positive nut sleeve 18 on the adjusting rod 4, so that the purpose of angle restoration is achieved, and the device is simple.
Claims (7)
1. The utility model provides a levelling device for exposing stock and drawing detection, a serial communication port, including backup pad (3) and regulating plate (5), first mounting hole (12) have been seted up on backup pad (3), be provided with second mounting hole (10) on regulating plate (5), the bottom of backup pad (3) and regulating plate (5) is articulated, regulating plate (5) are connected with backup pad (3) through adjusting pole (4), regulating plate (5) top is provided with support (17), the top of backup pad (3) is provided with fixed ring (14), support (17) one end is provided with the jack, the last one end that is connected with steel wire (13) of jack, fixed ring (14) are connected to the other end of steel wire (13).
2. A levelling device for exposed anchor rod drawing detection as claimed in claim 1, wherein the bracket (17) is provided with a locking plate (20), the retraction mechanism comprises a retraction shaft (16), one end of the steel wire (13) is fixed on the retraction shaft (16), the retraction shaft (16) is provided with a handle (8), and the retraction shaft (16) is provided with a ratchet wheel which is matched with the locking plate (20).
3. The leveling device for the pull detection of the exposed anchor rod is characterized in that a fixed pulley (15) is arranged at the top of the bracket (17), and the steel wire (13) is fixed with the retracting shaft (16) and the fixing ring (14) through the fixed pulley (15).
4. The leveling device for the pull-out detection of the exposed anchor rod as claimed in claim 1, wherein the supporting plate (3) is provided with a plurality of fixing holes (11), the adjusting rod (4) comprises two screw rods, the two screw rods are connected through a positive and negative nut sleeve (18), one end of the adjusting rod (4) is inserted into the fixing holes (11), and the other end of the adjusting rod is hinged with the adjusting plate (5).
5. The leveling device for the exposed anchor rod drawing detection as claimed in claim 4, wherein the positive and negative nut sleeves (18) are provided with adjusting rod adjusting holes (19).
6. A levelling device for exposed anchor rod drawing detection according to claim 4, characterized in that all fixing holes (11) are symmetrically and vertically arranged on the support plate (3).
7. A levelling device for exposed anchor rod drawing detection as claimed in claim 4, wherein the inside of the fixing hole (11) is semicircular for fixing the adjusting rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459933.0U CN213397918U (en) | 2020-10-28 | 2020-10-28 | Leveling device for exposed anchor rod drawing detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459933.0U CN213397918U (en) | 2020-10-28 | 2020-10-28 | Leveling device for exposed anchor rod drawing detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213397918U true CN213397918U (en) | 2021-06-08 |
Family
ID=76193236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022459933.0U Expired - Fee Related CN213397918U (en) | 2020-10-28 | 2020-10-28 | Leveling device for exposed anchor rod drawing detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213397918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639909A (en) * | 2021-07-01 | 2021-11-12 | 东风柳州汽车有限公司 | Engine cover pulling-out force testing device |
-
2020
- 2020-10-28 CN CN202022459933.0U patent/CN213397918U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639909A (en) * | 2021-07-01 | 2021-11-12 | 东风柳州汽车有限公司 | Engine cover pulling-out force testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 Termination date: 20211028 |