CN212379189U - Anchor rod drawing testing device - Google Patents
Anchor rod drawing testing device Download PDFInfo
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- CN212379189U CN212379189U CN202021112437.1U CN202021112437U CN212379189U CN 212379189 U CN212379189 U CN 212379189U CN 202021112437 U CN202021112437 U CN 202021112437U CN 212379189 U CN212379189 U CN 212379189U
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- anchor rod
- thread head
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- rod
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Abstract
The utility model provides an anchor rod drawing test device, which comprises a hollow part in an anchor rod, an anchor rod solid part, a main thread head and an auxiliary thread head, wherein the auxiliary thread head is matched and connected with the anchor rod solid part; the lower end of the main thread head is formed with a convex pattern connecting part, and the convex pattern connecting part is matched with the junction of the hollow part of the anchor rod and the solid part of the anchor rod; still include bracing piece and inside lining sleeve, the bracing piece cooperates in the hollow portion of stock and the hollow portion top surface in the stock of upper end protrusion, and inside lining sleeve cooperation just cooperates on the first medial surface of main thread on hollow portion lateral surface in the stock. The utility model relates to a possess simultaneously to hollow portion and entity portion play the drawing auxiliary device of consolidating the supporting role in the stock, avoid drawing the in-process, hollow portion warp and drop drawing that leads to can not, avoid drawing simultaneously and carry inhomogeneous stress shearing. The inside lining sleeve carries out the liner to main thread head and stock well kenozooecium, carries out evenly distributed to the power of carrying that draws, combines the bracing piece, avoids radially drawing the deformation destruction that leads to of carrying jointly.
Description
Technical Field
The utility model relates to draw test equipment technical field, in particular to testing arrangement is drawn to stock.
Background
The anchor rod is driven into the slope surface to reinforce the slope surface stability by the aid of the foundation and slope surface reinforcing tools commonly used in the building engineering during anchor rod construction.
In some cases, in order to perform maintenance treatment on the inside of some building construction structures, it is also necessary to provide a grouting function for the anchor rod while driving the anchor rod, and after driving the anchor rod, concrete mortar is fed from the anchor rod into the inside of the construction structure by using a grouting machine.
The anchor rod is provided with a solid part and a hollow part, wherein the solid part is used for screwing a grouting machine, and the hollow part is used for conveying grouting. Because the grouting anchor rod is in a slender rod-shaped structure, the anchor rod needs to be selected according to the working environment of an engineering project, and the tensile load performance of the anchor rod needs to be tested.
The hollow portion of stock has the grout passageway, consequently need put heavily the test to here, nevertheless in current test technique of drawing, adopts screw thread head or vice instrument to carry out the centre gripping to the stock, at the drawing in-process, under the effect of radial force, the hollow portion is very easy to be out of shape and is broken or reduce and drop, draws and carries inhomogeneous and stress shear failure greatly, consequently can not normally draw the test.
The whole drawing test facility has simple equipment and does not have good drawing test performance.
SUMMERY OF THE UTILITY MODEL
For solving the shortcoming of the prior art, the utility model provides a testing arrangement is drawn to stock.
The utility model provides a technical scheme is: an anchor rod drawing test device comprises an anchor rod hollow part, an anchor rod solid part, a main thread head and an auxiliary thread head, wherein the auxiliary thread head is connected with the anchor rod solid part in a matched manner; the lower end of the main thread head is formed with a convex pattern connecting part, and the convex pattern connecting part is matched with the junction of the hollow part of the anchor rod and the solid part of the anchor rod; still include bracing piece and inside lining sleeve, the bracing piece cooperates in the hollow portion of stock and the hollow portion top surface in the stock of upper end protrusion, and inside lining sleeve cooperation just cooperates on the first medial surface of main thread on hollow portion lateral surface in the stock.
The utility model relates to a possess simultaneously to hollow portion and entity portion play the drawing auxiliary device of consolidating the supporting role in the stock, avoid drawing the in-process, hollow portion warp and drop drawing that leads to can not, avoid drawing simultaneously and carry inhomogeneous stress shearing. Specifically, as shown in fig. 1 and 2, the anchor rod drawing test device comprises an anchor rod hollow part, an anchor rod solid part, a main thread head and an auxiliary thread head, wherein the auxiliary thread head is connected with the anchor rod solid part in a matched manner, the main thread head and the auxiliary thread head are subjected to load pulling by adopting hydraulic equipment, threads are processed on the outer surfaces of the anchor rod hollow part and the anchor rod solid part, and the auxiliary thread head is connected with the anchor rod solid part in a matched manner through the threads; the lower end of the main thread head is formed with a convex pattern connecting part, the convex pattern connecting part is integrally formed at the lower end of the main thread head, the inner side surface is provided with threads, the outer side surface is provided with convex patterns, the length of the convex pattern connecting part needs to reach a certain length and is designed along with the length of the hollow part of the anchor rod, as shown in figure 1, the convex pattern connecting part is matched at the junction of the hollow part of the anchor rod and the solid part of the anchor rod, and the convex pattern connecting part needs to be matched and; the utility model discloses still include bracing piece and inside lining sleeve, the bracing piece is steel entity member, and the inside lining sleeve is double-sided thread structure's steel sleeve structure, and during concrete installation, the bracing piece cooperates in the kenozooecium in the stock and the kenozooecium top surface in the upper end protrusion stock, and the inside lining sleeve cooperation just cooperates on the first medial surface of main thread in the kenozooecium lateral surface in the stock. The support rod is matched in the hollow part of the anchor rod, so that the hollow part of the anchor rod can be prevented from deforming due to pulling load of the main thread head when being pulled, and deformation prevention protection is formed on the shape of the hollow part of the anchor rod. Simultaneously, the inside lining sleeve carries out the liner effect to main thread head and stock well kenozooecium, carries out evenly distributed to the power of carrying that draws, and the inside lining sleeve combines the bracing piece, avoids radially drawing the deformation destruction that leads to of carrying jointly.
Further, the lining web is formed at the upper end of the lining sleeve, and the lining web is matched on the outer surface of the supporting rod protruding out of the top surface of the hollow part of the anchor rod and matched on the inner side surface of the main thread head. The inside lining web is the web structure of integrated into one piece in inside lining sleeve upper end, possesses the screw thread of selling, can further strengthen the linkage effect of bracing piece and main thread head.
Furthermore, a threaded inner sleeve and a supporting auxiliary rod are arranged inside the auxiliary threaded head, the supporting auxiliary rod is matched in the threaded inner sleeve, and the lower end of the supporting auxiliary rod protrudes out of the threaded inner sleeve. And simultaneously, the utility model discloses set up the screw hole in the inside anchor rod entity portion of vice thread head, nevertheless the degree of depth of this screw hole is 1/5-1/3 for the well kenozooecium in the anchor rod, as a tie point of carrying the side effect, supports the effect of auxiliary rod and bracing piece the same, supports the auxiliary rod cooperation in the screw thread endotheca and lower extreme protrusion screw thread endotheca.
Further, the screw rod sealing device further comprises a sealing nut, and the sealing nut is matched with the head of the auxiliary supporting rod of the protruding threaded inner sleeve. The sealing nut is used for plugging connection, and after the sealing nut is specifically installed, the sealing nut is matched with the head of the auxiliary supporting rod of the protruding thread inner sleeve.
Furthermore, the auxiliary thread head is integrally formed with a stepped connecting part. The stepped connecting portion has the effect of reinforcing the pulling load, and the stepped connecting portion covers and is connected with the solid portion of the anchor rod, so that the stability of the pulling load is enhanced.
The utility model has the beneficial technical effects that: the utility model discloses possess simultaneously to hollow portion and entity portion play the drawing auxiliary device of consolidating the supporting role in the stock, avoid drawing the in-process, hollow portion warp and drop drawing that leads to can not, avoid drawing simultaneously and carry inhomogeneous stress shearing. The support rod is matched in the hollow part of the anchor rod, so that the hollow part of the anchor rod can be prevented from deforming due to pulling load of the main thread head when being pulled, and deformation prevention protection is formed on the shape of the hollow part of the anchor rod. Simultaneously, the inside lining sleeve carries out the liner effect to main thread head and stock well kenozooecium, carries out evenly distributed to the power of carrying that draws, and the inside lining sleeve combines the bracing piece, avoids radially drawing the deformation destruction that leads to of carrying jointly.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is an enlarged schematic view of detail A of FIG. 1;
in the figure, 1, an auxiliary thread head, 2, a stepped connecting part, 3, a solid part of an anchor rod, 4, a supporting rod, 5, a lining sleeve, 6, a hollow part of the anchor rod, 7, a convex pattern connecting part, 8, a main thread head, 9, a lining web plate, 10, a supporting auxiliary rod, 11, a thread inner sleeve, 12 and a sealing nut.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, the relative terms "upper", "lower", "left", "right", "inner", "outer" and other position indication positions are only based on the position shown in the drawings to simplify the description of the present invention, but not the position and structure that the components must have, and thus, the limitation of the present invention cannot be understood.
Example 1
An anchor rod drawing test device comprises an anchor rod hollow part 6, an anchor rod solid part 3, a main thread head 8 and an auxiliary thread head 1, wherein the auxiliary thread head 1 is connected with the anchor rod solid part 3 in a matched mode; the lower end of the main thread head 8 is formed with a convex pattern connecting part 7, and the convex pattern connecting part 7 is matched at the junction of the hollow part 6 of the anchor rod and the solid part 3 of the anchor rod; still include bracing piece 4 and inside lining sleeve 5, bracing piece 4 cooperates in the hollow portion 6 of stock and the hollow portion 6 top surfaces of stock of upper end protrusion in the hollow portion 6, and inside lining sleeve 5 cooperates on 6 lateral surfaces of hollow portion 6 of stock and the cooperation is on 8 medial surfaces of main thread head.
The utility model relates to a possess simultaneously to hollow portion and entity portion play the drawing auxiliary device of consolidating the supporting role in the stock, avoid drawing the in-process, hollow portion warp and drop drawing that leads to can not, avoid drawing simultaneously and carry inhomogeneous stress shearing. Specifically, as shown in fig. 1 and 2, the anchor rod drawing test device comprises an anchor rod hollow part 6, an anchor rod solid part 3, a main thread head 8 and an auxiliary thread head 1, wherein the auxiliary thread head 1 is connected with the anchor rod solid part 3 in a matched manner, the main thread head 8 and the auxiliary thread head 1 are subjected to load pulling by adopting hydraulic equipment, threads are processed on the outer surfaces of the anchor rod hollow part 6 and the anchor rod solid part 3, and the auxiliary thread head 1 is connected with the anchor rod solid part 3 in a matched manner through the threads; the lower end of the main thread head 8 is formed with a convex pattern connecting part 7, the convex pattern connecting part 7 is integrally formed at the lower end of the main thread head 8, threads are arranged on the inner side surface, convex patterns are arranged on the outer side surface, the length of the convex pattern connecting part 7 needs to reach a certain length, the convex pattern connecting part 7 is designed along with the length of the hollow part 6 of the anchor rod, as shown in the attached drawing 1, the convex pattern connecting part 7 is matched with the junction of the hollow part 6 of the anchor rod and the solid part 3 of the anchor rod, and the convex pattern; the utility model discloses still include bracing piece 4 and inside lining sleeve 5, bracing piece 4 is steel entity member, and inside lining sleeve 5 is double-sided thread structure's steel sleeve structure, and during concrete installation, bracing piece 4 cooperates in well kenozooecium 6 top surface in 6 and the upper end protrusion anchor bolts in the anchor bolt well kenozooecium, and inside lining sleeve 5 cooperates on 6 lateral surfaces in the anchor bolt well kenozooecium and cooperates on 8 medial surfaces of thread head. The support rod 4 is fitted in the anchor hollow portion 6, and can resist deformation of the anchor hollow portion 6 due to pulling of the main thread head 8 during pulling, so that deformation prevention protection is provided for the shape of the anchor hollow portion. Simultaneously, lining sleeve 5 carries out the liner effect to main thread head 8 and the hollow portion 6 of stock, carries out evenly distributed to the power of carrying that draws, and lining sleeve 5 combines bracing piece 4, avoids radially drawing the deformation destruction that leads to of carrying jointly.
Further, the upper end of the lining sleeve 5 is formed with a lining web 9, and the lining web 9 is matched on the outer surface of the support rod 4 protruding the top surface of the hollow part 6 of the anchor rod and is matched on the inner side surface of the main thread head 8. The lining web 9 is a web structure integrally formed at the upper end of the lining sleeve 5, is provided with selling threads, and can further strengthen the linkage effect of the support rod 4 and the main thread head 8.
Further, a threaded inner sleeve 11 and a support secondary rod 10 are arranged inside the secondary threaded head 1, the support secondary rod 10 is fitted inside the threaded inner sleeve 11, and the lower end of the support secondary rod protrudes out of the threaded inner sleeve 11. And simultaneously, the utility model discloses set up the screw hole in the inside stock solid portion 3 of vice thread head 1, nevertheless the degree of depth of this screw hole is 1/5-1/3 of well kenozooecium 6 in the stock only, as a tie point of carrying the side effect of pulling, supports the effect of auxiliary rod 10 and bracing piece 4 the same, supports the cooperation of auxiliary rod 10 in screw thread endotheca 11 and lower extreme protrusion screw thread endotheca 11.
Further, a sealing nut 12 is further included, and the sealing nut 12 is fitted on the head of the support sub-rod 10 of the protruding threaded inner sleeve 11. The sealing nut 12 is used for sealing connection, and after the sealing nut 12 is installed specifically, the sealing nut 12 is matched with the head of the supporting auxiliary rod 10 of the protruding threaded inner sleeve 11.
Further, the secondary screw head 1 is integrally formed with a stepped connection portion 2. The stepped connecting portion 2 has the effect of enhancing the pulling load, and the stepped connecting portion 2 covers and connects the anchor rod solid portion 3, so that the stability of the pulling load is enhanced.
The utility model has the beneficial technical effects that: the utility model discloses possess simultaneously to hollow portion and entity portion play the drawing auxiliary device of consolidating the supporting role in the stock, avoid drawing the in-process, hollow portion warp and drop drawing that leads to can not, avoid drawing simultaneously and carry inhomogeneous stress shearing. The support rod is matched in the hollow part 6 of the anchor rod, and can resist deformation of the hollow part of the anchor rod due to pulling load of the main thread head when being pulled, so that deformation prevention protection is formed on the shape of the hollow part of the anchor rod. Simultaneously, lining sleeve 5 carries out the liner effect to main thread head 8 and the hollow portion 6 of stock, carries out evenly distributed to the power of carrying that draws, and lining sleeve 5 combines bracing piece 4, avoids radially drawing the deformation destruction that leads to of carrying jointly.
The foregoing is a preferred embodiment of the present invention, and it should be understood that those skilled in the art can derive the related technical solutions through logic analysis, reasoning or experiment based on the present invention without creative efforts, and therefore, these related technical solutions should be within the protection scope of the present claims.
Claims (5)
1. The utility model provides a testing arrangement is drawn to stock, includes hollow portion (6), stock solid portion (3), main thread head (8) and vice thread head (1) in the stock, and vice thread head (1) is connected its characterized in that with stock solid portion (3) cooperation: the lower end of the main thread head (8) is formed with a convex pattern connecting part (7), and the convex pattern connecting part (7) is matched with the junction of the anchor rod hollow part (6) and the anchor rod solid part (3); the anchor rod is characterized by further comprising a supporting rod (4) and a lining sleeve (5), wherein the supporting rod (4) is matched in the anchor rod hollow portion (6) and the upper end of the supporting rod protrudes out of the top surface of the anchor rod hollow portion (6), and the lining sleeve (5) is matched on the outer side surface of the anchor rod hollow portion (6) and on the inner side surface of the main thread head (8).
2. The anchor rod pull-out testing device of claim 1, wherein: the upper end of the lining sleeve (5) is molded with a lining web plate (9), and the lining web plate (9) is matched on the outer surface of the support rod (4) protruding out of the top surface of the hollow part (6) of the anchor rod and is matched on the inner side surface of the main thread head (8).
3. The anchor rod pull-out testing device of claim 2, wherein: the auxiliary thread head (1) is internally provided with a thread inner sleeve (11) and an auxiliary supporting rod (10), the auxiliary supporting rod (10) is matched in the thread inner sleeve (11) and the lower end of the auxiliary supporting rod protrudes out of the thread inner sleeve (11).
4. The anchor rod pull-out testing device of claim 3, wherein: the screw rod support further comprises a sealing nut (12), and the sealing nut (12) is matched with the head of the support auxiliary rod (10) of the protruding thread inner sleeve (11).
5. The anchor rod pull-out testing device of claim 4, wherein: the auxiliary thread head (1) is integrally formed with a stepped connecting part (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021112437.1U CN212379189U (en) | 2020-06-16 | 2020-06-16 | Anchor rod drawing testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021112437.1U CN212379189U (en) | 2020-06-16 | 2020-06-16 | Anchor rod drawing testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212379189U true CN212379189U (en) | 2021-01-19 |
Family
ID=74162511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021112437.1U Active CN212379189U (en) | 2020-06-16 | 2020-06-16 | Anchor rod drawing testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212379189U (en) |
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2020
- 2020-06-16 CN CN202021112437.1U patent/CN212379189U/en active Active
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