CN219369345U - Auxiliary device for anchor rod drawing test - Google Patents

Auxiliary device for anchor rod drawing test Download PDF

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Publication number
CN219369345U
CN219369345U CN202223318109.9U CN202223318109U CN219369345U CN 219369345 U CN219369345 U CN 219369345U CN 202223318109 U CN202223318109 U CN 202223318109U CN 219369345 U CN219369345 U CN 219369345U
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China
Prior art keywords
ball
anchor rod
auxiliary device
upper plate
fixedly connected
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CN202223318109.9U
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Chinese (zh)
Inventor
李超
魏楠
张之纯
侯俊伟
魏杰
张亚娟
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China Railway No 3 Engineering Group Co Ltd
Construction and Installation Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
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China Railway No 3 Engineering Group Co Ltd
Construction and Installation Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
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Application filed by China Railway No 3 Engineering Group Co Ltd, Construction and Installation Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd filed Critical China Railway No 3 Engineering Group Co Ltd
Priority to CN202223318109.9U priority Critical patent/CN219369345U/en
Priority to JP2023001784U priority patent/JP3242911U/en
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Abstract

The utility model provides an auxiliary device for an anchor rod drawing test, belongs to the technical field of anchor rod drawing test auxiliary devices, and is mainly used for anchor rod drawing tests. Comprising the following steps: a lower plate having a rectangular shape for supporting the entire auxiliary device; the upper plate is provided with an arc-shaped surface at one end, and can rotate at one end of the lower plate through the groove block; the ball foot seats are two in number, the two ball foot seats are fixedly connected to the front side and the rear side of the end part of the lower plate, and threaded rods are arranged in the ball foot seats. The arc-shaped part rotates in the cylindrical groove, so that angle adjustment can be realized, further, test operation can be realized under a non-hinged state, the load acting on the upper plate only generates axial force in the supporting screw rod, shearing force and bending moment are not generated, the whole supporting platform can be ensured to move and fix, and sudden sliding in the drawing process is avoided.

Description

Auxiliary device for anchor rod drawing test
Technical Field
The utility model relates to the technical field of auxiliary devices for anchor rod drawing experiments, in particular to an auxiliary device for anchor rod drawing experiments.
Background
And the anchor rod is subjected to graded axial drawing according to the test requirement, and the quality of the anchoring of the anchor rod can be judged to be qualified after the design load requirement and the deformation requirement are met. The test instrument is an anchor rod drawing instrument, and axial tension is applied to the anchor rod by using the penetrating jack to detect whether the anchoring force reaches the standard.
In the anchor rod drawing test, when the penetrating jack is required to apply axial tension to the anchor rod, the anchor rod is required to be perpendicular to the surface of the side slope matrix, otherwise, the applied tension can generate oblique component force on the anchor rod, and the deviation of drawing load measurement can be caused. In actual engineering, the condition of the surface of the anchor rod heavy straight side slope matrix rarely occurs, and more cases, the anchor rod heavy straight side slope matrix has an inclined included angle. The existing leveling method usually uses a steel plate as a backing plate, a plurality of bricks or wood blocks are lined below the steel plate for simple leveling, the angle and rigidity cannot be guaranteed, and the operation portability is not strong, mainly the module and the liner are not integrally operated.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an auxiliary device for an anchor rod drawing test.
The technical scheme of the utility model is realized as follows:
an auxiliary device for an anchor rod pullout test, comprising:
a lower plate having a rectangular shape for supporting the entire auxiliary device;
the upper plate is provided with an arc-shaped surface at one end, and can rotate at one end of the lower plate through the groove block;
the number of the ball foot seats is two, the two ball foot seats are fixedly connected to the front side and the rear side of the end part of the lower plate, and threaded rods are arranged in the ball foot seats;
the adjusting slide groove is provided with a pair of adjusting slide grooves, the adjusting slide grooves are arranged at the positions of the ball foot seats, and the top ends of the threaded rods penetrate through the adjusting slide grooves and enable the upper plate to be vertical to the threaded rods through gaskets on the adjusting threaded rods.
Further: the groove block comprises a square strip, the square strip is fixedly connected to the left side of the top of the lower plate through a bolt, and a cylindrical groove is formed in the right side of the square strip.
Further: the upper plate comprises a rotating plate body, an arc-shaped part is arranged on the left side of the rotating plate body, and an adjusting chute is arranged at the position of the threaded rod of the rotating plate body.
Further: the threaded rod comprises a threaded portion, the threaded portion penetrates through the adjusting sliding groove, one end of the threaded portion is provided with a spherical portion, the spherical portion is arranged in the ball foot seat, and the spherical portion can rotate in the ball foot seat.
Further: the ball foot seat comprises a ball sleeve embedded in an embedded groove on the lower plate, a fixing plate is fixedly connected to the ball sleeve, the fixing plate is fixedly connected to the lower plate through a fixing screw, a semicircular ring is sleeved in the ball sleeve, two rotating rods are arranged on the semicircular ring, the rotating rods are arranged on the inner wall of the ball sleeve, fixing strips are fixedly connected to the left side of the semicircular ring, screw clamping strips are fixedly connected between the two fixing strips, and a rod groove is formed in the left side of the fixing plate.
Further: the bottom of semicircle ring fixedly connected with ball holds in the palm, the ball holds in the palm the cover and establishes in the ball cover.
Further: the surface of the spherical part is contacted with the inner wall of the ball support, and the screw clamping strip is clamped in the threaded part.
The utility model has the following beneficial effects:
1. when the auxiliary device is used, the spherical part of the threaded rod is arranged in the ball foot seat, the threaded part penetrates through the adjusting sliding groove, the position of the threaded gasket is adjusted, the threaded gasket is in contact with the position of the upper plate, the threaded rod is in a vertical state with the upper plate, the sliding position of the sliding groove is adjusted, the purpose is to match with the sliding position of the threaded rod, then the upper plate and the lower plate can be adjusted to different angles, the auxiliary device is used under different conditions during testing, the upper plate and the lower plate are contacted through the arc-shaped surface on the groove block and the upper plate, when the auxiliary device rotates, the arc-shaped surface is rotated in the groove formed in the groove block, the arc-shaped surface is separated from the groove block in the groove, the upper plate and the lower plate can be separated in order to bear the strong stress during detection, and the quality of the upper plate and the lower plate is generally 25KG and 30 KG.
2. The arc-shaped part rotates in the cylindrical groove, so that angle adjustment can be realized, further, test operation can be realized under a non-hinged state, the load acting on the upper plate only generates axial force in the supporting screw rod, shearing force and bending moment are not generated, the whole supporting platform can be ensured to move and fix, and sudden sliding in the drawing process is avoided.
Drawings
FIG. 1 is a schematic view of a lower plate of the present utility model;
FIG. 2 is a schematic view of the upper plate of the present utility model;
FIG. 3 is a schematic illustration of the utility model in its overall use;
FIG. 4 is a schematic view of a threaded rod of the present utility model;
fig. 5 is a schematic view of the ball socket of the present utility model.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is further described with reference to fig. 1 to 5: an auxiliary device for an anchor rod pullout test, comprising: a lower plate 4, which is rectangular in shape, for supporting the entire auxiliary device; the upper plate 1, one end of the upper plate 1 is provided with an arc-shaped surface, and the upper plate 1 can rotate at one end of the lower plate 4 through the groove block 2; the ball feet 3 are two in number, the two ball feet 3 are fixedly connected to the front side and the rear side of the end part of the lower plate 4, and threaded rods 6 are arranged in the ball feet 3;
the adjusting slide groove 5 is provided with a pair of adjusting slide grooves 5, the adjusting slide grooves 5 are arranged at the positions of the ball foot bases 3, and the top ends of the threaded rods 6 penetrate through the adjusting slide grooves 5 and enable the upper plate 1 to be in a vertical state with the threaded rods 6 through gaskets on the adjusting threaded rods 6.
When the auxiliary device is used, the spherical part 6.2 of the threaded rod 6 is arranged in the ball foot seat 3, the threaded part 6.1 penetrates through the adjusting chute 5, the position of the threaded gasket is adjusted, the threaded gasket is in contact with the position of the upper plate 1, the threaded rod 6 is in a vertical state with the upper plate 1, the setting of the chute 5 is matched with the sliding position of the threaded rod 6, then the upper plate 1 and the lower plate 4 can be adjusted to different angles, so that the auxiliary device is used in different conditions during testing, the upper plate 1 and the lower plate 4 are in contact with the arc-shaped surface on the upper plate 1 through the groove block 2, when the auxiliary device rotates, the arc-shaped surface rotates in the groove formed in the groove block 2, the purpose of separating the arc-shaped surface from the groove block 2 is achieved, and the upper plate 1 and the lower plate 4 are in a large stress in order to bear detection, and the quality of the upper plate 1 and the lower plate 4 is 25KG and 30 KG.
The groove block 2 comprises square strips 2.1, the square strips 2.1 are fixedly connected to the left side of the top side of the lower plate 4 through bolts 2.3, and a cylindrical groove 2.2 is formed in the right side of the square strips 2.1. The upper plate 1 comprises a rotating plate body 1.1, an arc-shaped part 1.3 is arranged on the left side of the rotating plate body 1.1, an adjusting chute 5 is arranged at the position of the rotating plate body 1.1, which is located at the threaded rod 6, the arc-shaped surface is a part of the arc-shaped part, the arc-shaped part 1.3 rotates in the cylindrical groove 2.2, the angle adjustment can be realized, the testing operation can be realized in a non-hinged state, the load of the upper plate 1 is guaranteed to only generate axial force in the supporting screw rod 6, shearing force and bending moment are not generated, the whole supporting platform can be ensured to be fixed, and sudden sliding in the drawing process is avoided.
The threaded rod 6 comprises a threaded portion 6.1, the threaded portion 6.1 penetrates through the adjusting chute 5, one end of the threaded portion 6.1 is provided with a spherical portion 6.2, the spherical portion 6.2 is arranged in the ball socket 3, and the spherical portion 6.2 can rotate in the ball socket 3. The ball foot seat 3 comprises a ball sleeve 3.2 embedded in an embedded groove on the lower plate 4, a fixing plate 3.1 is fixedly connected to the ball sleeve 3.2, the fixing plate 3.1 is fixedly connected to the lower plate 4 through a fixing screw 3.5, a semicircular ring 3.3 is sleeved in the ball sleeve 3.2, two rotating rods are arranged on the semicircular ring 3.3, the rotating rods are arranged on the inner wall of the ball sleeve 3.2, a fixing strip 3.6 is fixedly connected to the left side of the semicircular ring 3.3, screw clamping strips 3.7 are fixedly connected between the two fixing strips 3.6, a rod groove 3.8 is formed in the left side of the fixing plate 3.1, a ball support 3.4 is fixedly connected to the bottom of the semicircular ring 3.3, the ball support 3.4 is sleeved in the ball sleeve 3.2, the surface of the spherical part 6.2 is contacted with the inner wall of the ball support 3.4, and the screw clamping strips 3.7 are clamped in the threaded part 6.1.
In the above embodiment, in order to ensure that the threaded rod 6 can stably receive an axial force in a test, the spherical portion 6.2 is placed in the spherical sleeve 3.2 and then contacts with the inner wall of the inner spherical support 3.4, and the screw clamping strips 3.7 on the fixing strips 3.6 contact with both sides of the threaded portion 6.1 and are fixed through the external binding bands, so that when the threaded rod 6 receives an axial force in the test, the screw clamping strips 3.7 can keep the threaded rod 6 in a fixed state, and when the threaded rod 6 is adjusted, the stability of the threaded rod 6 can be increased, so that the upper plate 1 is ensured not to shake, the overall stability is further increased, the overall triangular stable state can be ensured, and the semicircular ring 3.3 can contact with the spherical surface, so that the stability can be kept when the spherical portion 6.2 on the threaded rod 6 is matched to rotate, and the overall stability can be further increased.
The anchor rod test is to measure the pulling resistance of the anchor rod and the displacement of the anchor rod under the action of pulling force. The pulling resistance is measured by an anchor rod pulling instrument, the quality of the pulling instrument is guaranteed, the force value applied to the anchor rod can be accurately measured, but if the force application direction of the jack is inconsistent with the anchor rod, the force value displayed by the pulling instrument is larger than the axial force actually applied to the anchor rod, and the measurement is wrong. The displacement of the anchor rod when being stressed is measured, and the relative displacement between the anchor rod and the jack can be measured by erecting a dial indicator, but if the support rigidity below the jack is insufficient, the measured displacement can definitely contain the deformation of the support. The auxiliary device can effectively solve the two problems, ensure accurate measurement of force value and displacement and ensure normal running of the anchor rod drawing test.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. An auxiliary device for an anchor rod pullout test, comprising:
a lower plate (4) having a rectangular body shape for supporting the entire auxiliary device;
the upper plate (1), one end of the upper plate (1) is provided with an arc-shaped surface, and the upper plate (1) can rotate at one end of the lower plate (4) through the groove block (2);
the ball foot seats (3), the number of the ball foot seats (3) is two, the two ball foot seats (3) are fixedly connected to the front side and the rear side of the end part of the lower plate (4), and threaded rods (6) are arranged in the ball foot seats (3);
the adjusting slide ways (5) are arranged in a pair, are arranged at the positions of the ball foot seats (3), and the top ends of the threaded rods (6) penetrate through the adjusting slide ways (5) and enable the upper plate (1) to be vertical to the threaded rods (6) through gaskets on the adjusting threaded rods (6).
2. An auxiliary device for an anchor rod pullout test as claimed in claim 1, wherein: the groove block (2) comprises a square strip (2.1), the square strip (2.1) is fixedly connected to the left side of the top side of the lower plate (4) through a bolt (2.3), and a cylindrical groove (2.2) is formed in the right side of the square strip (2.1).
3. An auxiliary device for an anchor rod pullout test as claimed in claim 2, wherein: the upper plate (1) comprises a rotating plate body (1.1), an arc-shaped part (1.3) is arranged on the left side of the rotating plate body (1.1), and an adjusting chute (5) is arranged at the position of the threaded rod (6) of the rotating plate body (1.1).
4. An auxiliary device for an anchor rod pullout test as claimed in claim 3, wherein: threaded rod (6) include screw thread portion (6.1), screw thread portion (6.1) run through regulation spout (5), the one end of screw thread portion (6.1) is provided with spherical portion (6.2), spherical portion (6.2) set up in ball foot stall (3), spherical portion (6.2) can be in rotate in ball foot stall (3).
5. An auxiliary device for an anchor rod pullout test as claimed in claim 4, wherein: ball foot rest (3) are including embedded ball cover (3.2) of embedded groove on hypoplastron (4), fixedly connected with fixed plate (3.1) on ball cover (3.2), fixed plate (3.1) are in through dead screw (3.5) fixed connection on hypoplastron (4), ball cover (3.2) endotheca is equipped with semicircle ring (3.3), be provided with two bull sticks on semicircle ring (3.3), the bull stick sets up the inner wall of ball cover (3.2), the left side fixedly connected with fixed strip (3.6) of semicircle ring (3.3), two all fixedly connected with screw rod card strip (3.7) between fixed strip (3.6), the left side of fixed plate (3.1) is provided with pole groove (3.8).
6. An auxiliary device for an anchor rod pullout test as claimed in claim 5, wherein: the bottom of the semicircular ring (3.3) is fixedly connected with a ball support (3.4), and the ball support (3.4) is sleeved in the ball sleeve (3.2).
7. An auxiliary device for an anchor rod pullout test as claimed in claim 6, wherein: the surface of the spherical part (6.2) is in contact with the inner wall of the ball support (3.4), and the screw clamping strip (3.7) is clamped in the threaded part (6.1).
CN202223318109.9U 2022-12-06 2022-12-06 Auxiliary device for anchor rod drawing test Active CN219369345U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202223318109.9U CN219369345U (en) 2022-12-06 2022-12-06 Auxiliary device for anchor rod drawing test
JP2023001784U JP3242911U (en) 2022-12-06 2023-05-25 Auxiliary device for anchor bolt pull-out test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223318109.9U CN219369345U (en) 2022-12-06 2022-12-06 Auxiliary device for anchor rod drawing test

Publications (1)

Publication Number Publication Date
CN219369345U true CN219369345U (en) 2023-07-18

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ID=87139889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223318109.9U Active CN219369345U (en) 2022-12-06 2022-12-06 Auxiliary device for anchor rod drawing test

Country Status (2)

Country Link
JP (1) JP3242911U (en)
CN (1) CN219369345U (en)

Also Published As

Publication number Publication date
JP3242911U (en) 2023-07-21

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