CN218562411U - Quick-release tool anchor structure for testing uplift bearing capacity of anchor rod and test platform - Google Patents
Quick-release tool anchor structure for testing uplift bearing capacity of anchor rod and test platform Download PDFInfo
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- CN218562411U CN218562411U CN202221971323.1U CN202221971323U CN218562411U CN 218562411 U CN218562411 U CN 218562411U CN 202221971323 U CN202221971323 U CN 202221971323U CN 218562411 U CN218562411 U CN 218562411U
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Abstract
The utility model provides a quick-dismantling tool anchor structure and a test platform for anchor rod anti-pulling bearing capacity test, the quick-dismantling tool anchor structure for anchor rod anti-pulling bearing capacity test comprises a block outer hoop which is provided with a connecting structure and can separate or combine the block outer hoop, and a block outer anchor sleeve and a wedge-shaped clamping piece which are arranged inside the block outer hoop and are matched for use and can be separated or combined as well; the plurality of the blocked outer hoops, the blocked outer anchor sleeves and the wedge-shaped clamping pieces are mutually matched in a nondestructive and separation way; a groove matched with the shape of the common block outer anchor sleeve is arranged in the separable or combined block outer hoop; a wedge-shaped hole matched with the outer surface of the wedge-shaped clamping piece is arranged in the blocking outer anchor sleeve; the wedge-shaped clamping pieces are arranged in a surrounding manner to form a bearing part matched with the anchor rod; the utility model discloses strike the damage of stock and the internal anchor section of outer anchor cover in anchor section and mortar anchor body adhesive action when the elasticity mode of taking can effectively avoid the extracting tool anchor.
Description
Technical Field
The utility model relates to an experimental technical field of stock, concretely relates to quick detach instrument anchor structure and test platform of stock resistance to plucking bearing capacity test.
Background
The anchor bolt support is a reinforcing support mode adopted in surface engineering such as side slopes, rock-soil deep foundation pits and the like and underground chamber construction such as tunnels, stopes and the like. The method is characterized in that a pole column is made of metal pieces, wood pieces, polymer pieces or other materials, and is driven into a hole which is drilled in advance in an earth surface rock body or a rock body around a chamber, and the special structure of the head part and the pole body and a tail supporting plate (which can be omitted) are utilized, or the surrounding rock and a stable rock body are combined together by depending on the bonding action to generate the suspension effect, the combination beam effect and the reinforcing effect, so that the aim of supporting is fulfilled. The method has the advantages of low cost, good supporting effect, simple and convenient operation, flexible use, less occupied construction clearance and the like.
The complexity of geological conditions, variability of soil layer properties, different construction processes and other factors all affect the uplift resistance of the anchor rod. Therefore, the anti-pulling bearing capacity test of the anchor rod is carried out aiming at specific engineering, and the sampling inspection is carried out on the constructed anchor rod according to the relevant specification requirements.
Generally, a piercing jack is used for providing drawing force for the pulling-resistant bearing capacity test of the anchor rod, and the piercing jack is locked between a reserved tensioning section and a bearing platform by using a tool anchor with a wedge-shaped clamping piece. When the center-penetrating jack extends, the wedge-shaped clamping piece moves towards the direction of the anchor sleeve along with the anchor rod, and contracts and clamps under the constraint action of the outer anchor sleeve, so that the effect of locking the anchor rod is achieved. And after the graded loading test is finished, retracting and unloading the penetrating jack, dismantling the tool anchor with the wedge-shaped clamping piece, taking down the penetrating jack, and testing the uplift bearing capacity of the next anchor rod.
In the test process, the tool anchor with the wedge-shaped clamping piece is locked with the anchor rod through the wedge-shaped clamping piece, and when the tool anchor is dismounted, the hammer is required to strike the anchor sleeve to enable the wedge-shaped clamping piece and the anchor sleeve to be loosened, and then the tool anchor can be dismounted. Vibration in the hammering process of the hammer can be transmitted to the inner anchoring section through the anchor rod, and certain damage is caused to the bonding effect between the anchor rod and the mortar of the anchoring body. In addition, use the hammer to strike outer anchor sleeve easily causes outer anchor sleeve irregular deformation, and the hammering operation is wasted time and energy.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a simple operation can be laborsaving, demolish the instrument anchor fast, improve the quick detach instrument anchor structure of test efficiency.
Therefore, the utility model adopts the following technical scheme:
a quick-release tool anchor structure for an anti-pulling bearing capacity test of an anchor rod comprises a segmented outer hoop, a segmented outer anchor sleeve and a wedge-shaped clamping piece, wherein the segmented outer hoop is provided with a connecting structure and can be separated or combined, and the segmented outer anchor sleeve and the wedge-shaped clamping piece are arranged inside the segmented outer hoop and are matched for use and can be separated or combined as well; the outer block hoops, the outer block anchor sleeves and the wedge-shaped clamping pieces are mutually in lossless separation fit; a groove matched with the shape of the common outer blocking anchor sleeve is arranged in the outer blocking hoop; a wedge-shaped hole matched with the outer surface of the wedge-shaped clamping piece is arranged in the blocking outer anchor sleeve; the wedge-shaped clamping piece is arranged in the anchor rod body in a surrounding mode to form a bearing part matched with the anchor rod body, and the wedge-shaped clamping piece forms a nondestructive separation part for the anchor rod body.
Further: the thickness of the outer anchor sleeve of the block is not less than that of the outer hoop of the block.
Further, the method comprises the following steps: the outer hoop of a plurality of said piecemeals, outer anchor sleeve of said piecemeal and said wedge-shaped clamping piece form the corresponding piecing seams after they are combined, corresponding said piecing seams are staggered and arranged.
Further, the method comprises the following steps: the connecting structure is staggered with the groove and surrounds the groove, and comprises a bolt hole and a fastening bolt; the bolt hole penetrates through the block outer hoop; the fastening bolt is matched with the bolt hole, and the fastening bolt is matched with the thread of the fastening nut to separate or combine the block outer hoops on the two sides.
Further, the method comprises the following steps: the wedge-shaped clamping piece is in an inverted cone shape.
A second object of the present invention is to provide a testing platform for use with a quick release tool anchor structure.
Therefore, the utility model adopts the following technical scheme:
the test platform for the anti-pulling bearing capacity test of the anchor rod is used for carrying out the anti-pulling bearing capacity test detection on the quick release tool anchor structure of the anti-pulling bearing capacity test of the anchor rod, and comprises a bearing platform, an inner anchor solid body, a center penetrating jack and measuring equipment, wherein the bearing platform is matched with the quick release tool anchor structure to test the anchor rod; the through jack is placed on the bearing platform, and the quick-release tool anchor structure is placed on the telescopic end of the through jack; the inner anchor solid is arranged in the bearing platform, and a test channel matched with the anchor rod is formed between the inner anchor solid and the through jack; the measuring equipment set up in the stock is kept away from the one end of quick detach instrument anchor structure.
Further, the method comprises the following steps: the bearing platform is provided with a bearing plate for the penetrating jack to provide a smooth loading surface, and a through hole for the anchor rod to pass through is formed in the bearing plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a stable test foundation for the anchor rod by the cooperation of the wedge-shaped clamping piece to the anchor rod through the block outer hoop, and the adopted tightness mode can effectively avoid the damage of the bonding action of the anchor rod and the mortar anchoring body in the inner anchoring section caused by knocking the outer anchor sleeve when the tool anchor is disassembled, and avoid the irregular deformation of the outer anchor sleeve caused by knocking; the utility model discloses can relax, swiftly demolish instrument anchor structure, improve the efficiency of stock resistance to plucking bearing capacity test.
Drawings
FIG. 1 is a schematic view of the top of the assembly of the present invention;
FIG. 2 is a top view of the outer band structure of the present invention;
FIG. 3 is a schematic top view of the wedge-shaped clamping piece and the outer anchor sleeve of the present invention;
fig. 4 is a schematic cross-sectional view of fig. 1 according to the present invention;
figure 5 is a working diagram of the examination of the present invention.
The symbols in the drawings are: 1-a wedge-shaped clamping piece; 2-blocking outer anchor sleeves; 21-a wedge shaped hole; 3-partitioning the outer hoop; 31-a groove; 4-bolt holes; 5-fastening bolts; 51-a fastening nut; 6-internal anchoring solid; 7-anchor rod; 8-a center-penetrating jack; 9-a bearing plate; 10-a cushion cap; 11-bearing part and 12-measuring equipment.
Detailed Description
The present invention will be further described with reference to the drawings and examples, which should not be construed as a limitation to the present invention.
As shown in fig. 5, the test platform for the anti-pulling bearing capacity test of the anchor rod comprises a bearing platform 10, an inner anchor body 6, a center-penetrating jack 8 and a measuring device 12, wherein the bearing platform is matched with a quick-release tool anchor structure to test the anchor rod 7; the center-penetrating jack 8 is placed on the bearing platform 10, and the quick-release tool anchor structure is placed on the telescopic end of the center-penetrating jack 8; the center-penetrating jack 8 is used for providing a load along the axial direction of the anchor rod 7 for the uplift bearing capacity test of the anchor rod 7; the inner anchoring body 6 is arranged in the bearing platform 10, and a test channel matched with the anchor rod 7 is formed between the inner anchoring body 6 and the piercing jack 8; measuring equipment 12 sets up in the stock 7 and keeps away from the one end of quick detach instrument anchor structure, and measuring equipment 12 is used for the step loading stock deformation parameter when showing the experiment. The anchor rod 7 is a steel bar anchor rod, is used for reinforcing a simulated reinforcing structure, and the specification and model of the simulated reinforcing structure are determined through design calculation.
A bearing plate 9 which is provided with a flat loading surface and provided with a through jack 8 is arranged on the bearing platform 10, and a through hole for the anchor rod 7 to pass through is arranged in the bearing plate 9; the bearing plate 9 is used for providing a flat loading surface which is perpendicular to the anchor rod 7 for the through jack 8 and evenly transmitting the load to the bearing platform 10.
The quick-release tool anchor structure and the test platform can be applied to an indoor anchor rod 7 test without piling, at the moment, the inner anchor body 6 is a drilling inner anchoring structure of a to-be-reinforced structure, mortar pouring or other anchoring modes are selected for the inner anchor body 6 according to design requirements, and a pulling resistance bearing capacity test is carried out under the effect that the anchor rod 7 is piled; meanwhile, the method can also be applied to the test detection of the anchor rod 7 which is piled in the actual construction section, and the inner anchor body 6 is an anchoring structure between the anchor rod 7 waiting for the test detection and the ground.
As shown in fig. 1-5, a quick release tool anchor structure for testing the uplift bearing capacity of an anchor rod comprises a segmented outer hoop 3 which is provided with a connecting structure and can be separated or combined, and a segmented outer anchor sleeve 2 and a wedge-shaped clamping piece 1 which are arranged inside the segmented outer hoop 3 and can be used in a matched manner and can be separated or combined as well; the blocking outer hoop 3, the blocking outer anchor sleeve 2 and the wedge-shaped clamping piece 1 are mutually in lossless separation fit; a groove 31 matched with the shape of the common blocking outer anchor sleeve 2 is arranged in the blocking outer hoop 3; a wedge-shaped hole 21 matched with the outer surface of the wedge-shaped clamping piece 1 is arranged in the blocking outer anchor sleeve 2; the wedge-shaped clamping piece 1 is internally provided with a bearing part 11 matched with the anchor rod 7 through surrounding, and the wedge-shaped clamping piece 1 forms a nondestructive separation part for the anchor rod 7.
The nondestructive separation of the matching can avoid the damage of the bonding part of the inner anchoring section of the anchor rod 7 and the mortar inner anchoring body 6 when the outer anchor sleeve 2 or the outer hoop 3 is knocked, thereby indirectly influencing the fixation of the anchor rod 7; meanwhile, the outer anchor sleeve 2 or the outer hoop 3 can be prevented from being knocked without damage and separation, so that the integral integrity of the outer anchor sleeve 2 or the outer hoop 3 is guaranteed.
The number of the wedge-shaped clamping pieces 1, the blocking outer anchor sleeves 2 and the blocking outer hoops 3 adopted in the embodiment is two; the wedge-shaped clamping piece 1 is a universal steel wedge-shaped clamping piece; the outer anchor sleeve 2 is a steel semicircular annular structure, and the hole taper of the wedge-shaped hole 21 is the same as the outer surface taper of the wedge-shaped clamping piece 1; the outer hoop 3 of piecemeal is the steel structure, and the recess 31 is semicircular structure, and the outer hoop 3 of piecemeal of both sides aligns the recess 31 combination that is gone up on it and makes up into cylindrical hole, and the diameter in cylindrical hole is the same with the external diameter after the outer anchor cover 2 of piecemeal is made up.
As shown in fig. 4, the thickness of the outer anchor sleeve 2 is not less than the thickness of the outer band 3. So as to conveniently level the one end of the outer anchor sleeve 2 and the outer hoop 3 and provide stable supporting force for the test of the wedge-shaped clamping piece 1 to the anchor rod 7.
As shown in fig. 1 and 3, the plurality of segmented outer hoops 3, the segmented outer anchor sleeves 2 and the wedge-shaped clips 1 form corresponding splicing seams after being combined, the corresponding splicing seams are arranged in a staggered manner, and in this embodiment, the corresponding splicing seams are arranged perpendicular to each other.
As shown in fig. 1-2 and 4, the connecting structure staggers the groove 31 and encloses the groove 31, and the wedge-shaped clamping piece 1 is fastened into a whole through the connecting structure; at least one pair of connecting structures (shown in figure 4) is arranged, each pair of connecting structures is arranged at two sides of the groove 31 (shown in figures 1-2), and each pair of connecting structures comprises a bolt hole 4 and a fastening bolt 5; the bolt holes 4 are arranged in the block outer hoop 3 in a penetrating way; the fastening bolt 5 is matched with the bolt hole 4, the diameter of the fastening bolt 5 is larger than that of the bolt hole 4, and the fastening bolt 5 is separated or combined with the partitioned outer hoops 3 on two sides through the threaded matching with the fastening nut 51.
Referring to fig. 1 to 5, based on the above, the anchor rod 7 is used in a manner of using a quick release tool anchor structure in a pulling-resistant bearing capacity test as follows:
the anchor rod 7 is connected with the inner anchor body 6 of the anchoring structure inside the hole to be reinforced, or the anchor rod 7 on the actual construction section is connected with the inner anchor body 6 of the ground anchoring structure in an anchoring manner, and the quick-release tool anchor structure is placed above the penetrating jack 8.
The fastening bolt 5 is matched with the fastening nut 51 in a threaded manner so as to fasten the separated block outer hoops 3 into a whole, so that the block outer hoops 3 and the block outer anchor sleeves 2 are sleeved on the anchor rod 7 to be tested, and the wedge-shaped clamping pieces 1 are placed in gaps between the anchor rod 7 and the block outer anchor sleeves 2; a load is applied by using a piercing jack 8 according to the standard requirement, so that the anchor rod 7 and the wedge-shaped clamping piece 1, the wedge-shaped clamping piece 1 and the outer blocking anchor sleeve 2, and the outer blocking anchor sleeve 2 and the outer blocking hoop 3 are tightly attached to each other to generate mutual extrusion, and finally the locking state is achieved; the anchor 7 is then tested for pullout resistance.
After the test is completed, the spanner is used for loosening the fastening nut 51 on the fastening bolt 5 on the block outer hoop 3, so that the block outer hoop 3, the block outer anchor 2 and the wedge-shaped splicing sheet 1 are loosened, and the wedge-shaped clamping sheet 1 and the block outer anchor sleeve 2 can be taken out easily and undamaged.
The above embodiments are merely preferred technical solutions of the present invention, and it should be understood by those skilled in the art that modifications or substitutions of technical solutions or parameters in the embodiments can be made without departing from the principles and essential conditions of the present invention, and all the modifications or substitutions should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a quick detach instrument anchor structure of stock resistance to plucking bearing capacity test which characterized in that: comprises a block outer hoop (3) which is provided with a connecting structure and can be separated or combined, and a block outer anchor sleeve (2) and a wedge-shaped clamping piece (1) which are arranged inside the block outer hoop (3) and are matched for use and can be separated or combined as well;
the blocking outer hoop (3), the blocking outer anchor sleeve (2) and the wedge-shaped clamping piece (1) are mutually in lossless separation fit;
a groove (31) matched with the shape of the common blocking outer anchor sleeve (2) is arranged in the blocking outer hoop (3);
a wedge-shaped hole (21) matched with the outer surface of the wedge-shaped clamping piece (1) is arranged in the blocking outer anchor sleeve (2);
the wedge-shaped clamping piece (1) enables the interior to form a bearing part (11) matched with the anchor rod (7) through surrounding, and the wedge-shaped clamping piece (1) forms a nondestructive separation part for the anchor rod (7).
2. The quick release tool anchor structure for the pullout resistance test of the anchor rod according to claim 1, wherein: the thickness of the outer anchor sleeve (2) is not less than that of the outer hoop (3).
3. The quick release tool anchor structure for the pullout resistance test of the anchor rod according to claim 1, wherein: a plurality of the outer hoops (3) of the blocks, the outer anchor sleeves (2) of the blocks and the wedge-shaped clamping pieces (1) form corresponding splicing seams after the outer hoops and the outer anchor sleeves are combined, and the splicing seams are arranged in a staggered mode.
4. The quick release tool anchor structure for the pullout resistance test of the anchor rod according to claim 1, wherein: the connecting structure is staggered with the groove (31) and surrounds the groove (31), and comprises bolt holes (4) and fastening bolts (5);
the bolt hole (4) is arranged in the block outer hoop (3) in a penetrating mode;
the fastening bolt (5) is matched with the bolt hole (4), and the fastening bolt (5) is matched with the thread of the fastening nut (51) to separate or combine the block outer hoops (3) on two sides.
5. The quick release tool anchor structure for the pullout resistance test of the anchor rod according to claim 1, wherein: the wedge-shaped clamping piece (1) is in an inverted cone shape.
6. A test platform for testing the pullout resistance of an anchor rod, which is used for testing the pullout resistance of the anchor rod of the quick release tool anchor structure for testing the pullout resistance of the anchor rod according to any one of claims 1 to 5, and is characterized in that: the test platform comprises a bearing platform (10) matched with the quick-release tool anchor structure to test the anchor rod (7), an inner anchor body (6), a penetrating jack (8) and measuring equipment (12);
the cross-core jack (8) is placed on the bearing platform (10), and the quick-release tool anchor structure is placed on the telescopic end of the cross-core jack (8);
the inner anchor body (6) is arranged in the bearing platform (10), and a test channel matched with the anchor rod (7) is formed between the inner anchor body (6) and the through jack (8);
the measuring equipment (12) is arranged at one end, far away from the quick-release tool anchor structure, of the anchor rod (7).
7. The test platform for the pullout resistance test of the anchor rod according to claim 6, wherein: the bearing platform (10) is provided with a bearing plate (9) which is provided with a flat loading surface by the center-penetrating jack (8), and a through hole through which the anchor rod (7) can pass is formed in the bearing plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221971323.1U CN218562411U (en) | 2022-07-28 | 2022-07-28 | Quick-release tool anchor structure for testing uplift bearing capacity of anchor rod and test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221971323.1U CN218562411U (en) | 2022-07-28 | 2022-07-28 | Quick-release tool anchor structure for testing uplift bearing capacity of anchor rod and test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218562411U true CN218562411U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221971323.1U Active CN218562411U (en) | 2022-07-28 | 2022-07-28 | Quick-release tool anchor structure for testing uplift bearing capacity of anchor rod and test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218562411U (en) |
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2022
- 2022-07-28 CN CN202221971323.1U patent/CN218562411U/en active Active
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