Anchor cable breaking inspection prestress tension reaction frame base

Abstract

The utility model discloses an anchor cable breaking inspection prestress tension reaction frame base which comprises a reaction frame main beam, the reaction frame main beam comprises two I-shaped supporting plates II, a connecting column, I-shaped supporting plates I and a reinforcing pipe, and the number of the I-shaped supporting plates I and the number of the I-shaped supporting plates II are both two. The device has the beneficial effects that the counter-force frame main beam consisting of the I-shaped support plate II, the connecting column, the I-shaped support plate I and the reinforcing pipe is arranged at the steel strand part of the vertical beam anchor cable, and the design of the bearing plate, the tool anchor and the tensioning round steel is matched, so that the counter-force frame main beam can be used for detecting the breaking prestress of the vertical beam anchor cable after grouting and anchor sealing of the vertical beam of the anchor cable are completed; the bottom of the tensioning round steel is welded and fixed with the vertical beam anchor cable and the steel strand, so that the tensioning round steel and the tool anchor are matched with the external jack, efficient detection of the prestress after the vertical beam anchor cable is subjected to damage detection is achieved, and accurate control over the construction quality process of the vertical beam anchor cable is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to vertical beam anchor cable entity break detection prestress detection technical field, concretely relates to anchor cable break detection prestress tensioning reaction frame base. BACKGROUND

[0002] When the tunnel exit slope is steep in the tunnel construction process, the slope protection form is mainly anchor vertical beam, and prestress detection needs to be carried out after anchor grouting and sealing of anchor vertical beam are completed.

[0003] After the anchor vertical beam grouting and sealing are completed, the length of the steel strand exposed on the surface of the anchor is only 3-5cm, the detection tool anchor and the clamping piece cannot effectively anchor the steel strand on the anchor vertical beam during the vertical beam anchor cable entity break detection prestress detection, which leads to that the vertical beam anchor cable entity break detection prestress detection cannot be normally carried out, and the process control of the vertical beam anchor construction quality is not conducive. UTILITY MODEL CONTENTS

[0004] (I) technical problem to be solved

[0005] The utility model relates to the technical problem to be solved in the prior art, and provides a vertical beam anchor cable break detection prestress tensioning reaction frame base which can realize convenient pulling of the tool anchor on the steel strand of the anchor.

[0006] (II) technical scheme

[0007] The utility model discloses an anchor cable break detection prestress tensioning reaction frame base, which comprises a reaction frame main beam, the reaction frame main beam comprises two I-shaped support plates two, a connecting column, two I-shaped support plates one and a reinforcing pipe, the two I-shaped support plates one and the two I-shaped support plates two are both two, two the two I-shaped support plates one are symmetrically installed with two the reinforcing pipes, two the two I-shaped support plates two are symmetrically installed on the top end of the two I-shaped support plates one, the connecting column is four, four the connecting column is respectively between the two ends of the two I-shaped support plates two and the two I-shaped support plates one, the top end of the two I-shaped support plates two is installed with a bearing plate, the top end of the bearing plate is installed with a tool anchor, the tool anchor is installed with four L-shaped tensioning round steels, four the tensioning round steels are connected with vertical beam anchor cables at the bottom end, the bottom end of the vertical beam anchor cable is provided with an anchor pad, and the vertical beam anchor cable is provided with a steel strand.

[0008] Further, the tensioning round steel penetrates the tool anchor and is fixedly connected with the tool anchor.

[0009] Through the above technical scheme, the tensioning round steel can pull the vertical beam anchor cable under the action of the external jack.

[0010] Further, the tensioning round steel penetrates the bearing plate and is in sliding fit with the bearing plate.

[0011] By adopting the technical scheme, the installation mode of the sliding fit can ensure the convenient sliding adjustment of the tensioning round steel relative to the bearing plate.

[0012] Further, the bottom end of the tensioning round steel is welded with the anchor pad and the vertical beam anchor cable, the steel strand penetrates through the vertical beam anchor cable and is fixedly connected with the vertical beam anchor cable.

[0013] By adopting the technical scheme, the tensioning round steel is connected with the anchor pad by the double-sided welding mode, so that the anchor pad can be synchronously pulled with the tensioning round steel.

[0014] Further, the upper part of the connecting column is welded with the second I-shaped support plate, and the lower part of the connecting column is welded with the first I-shaped support plate.

[0015] By adopting the technical scheme, the connecting column can reliably connect the second I-shaped support plate with the first I-shaped support plate.

[0016] Further, the two first I-shaped support plates are arranged in parallel, and the two second I-shaped support plates are arranged in parallel.

[0017] By adopting the technical scheme, the two first I-shaped support plates are the bottom support bodies of the counterforce frame main beam, and the two second I-shaped support plates are the upper support bodies of the counterforce frame main beam.

[0018] Further, the two ends of the reinforcing pipe are welded with the two first I-shaped support plates respectively.

[0019] By adopting the technical scheme, the reinforcing pipe can further improve the structural strength between the two first I-shaped support plates.

[0020] (Three) beneficial effects

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] In order to solve the problem that the length of the exposed steel strand on the surface of the anchorage device is only 3-5cm after the existing anchor cable vertical beam grouting sealing is completed, the detection tool anchor and the clamping piece cannot effectively anchor the steel strand on the anchor cable vertical beam, which leads to that the anchor cable vertical beam entity broken detection of prestress cannot be normally carried out, and is not conducive to the process control of the construction quality of the anchor cable vertical beam, the utility model discloses a reaction frame main beam which is composed of the I-shaped support plate two, the connecting column, the I-shaped support plate one and the reinforcing pipe is installed at the position of the anchor cable steel strand of the vertical beam, and the bearing plate, the tool anchor and the tensioning round steel are designed, so that when the anchor cable vertical beam grouting sealing is completed and the anchor cable vertical beam entity broken detection of prestress is carried out, the bottom of the tensioning round steel is welded and fixed with the anchor cable vertical beam and the steel strand, so that the high-efficiency detection of the anchor cable vertical beam broken detection of prestress is realized by means of the tensioning round steel and the cooperation of the tool anchor and the external jack, and the construction quality process of the anchor cable vertical beam can be accurately controlled. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is the structural schematic view of the anchor cable broken detection of prestress tensioning reaction frame base of the utility model;

[0024] Fig. 2 It is the main sectional view of the anchor cable broken detection of prestress tensioning reaction frame base of the utility model.

[0025] The signs are explained as follows:

[0026] 1, tensioning round steel; 2, reaction frame main beam; 2011, I-shaped support plate two; 202, connecting column; 203, I-shaped support plate one; 204, reinforcing pipe; 3, bearing plate; 4, tool anchor; 5, anchor cable vertical beam; 6, steel strand; 7, anchor pad plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0028] As Figs. 1-2As shown, the anchor cable in the embodiment of the application is broken and detected prestress tension counterforce frame base, including counterforce frame main beam 2, counterforce frame main beam 2 includes I-shaped support plate two 2011, connecting column 202, I-shaped support plate one 203 and reinforcing pipe 204, I-shaped support plate one 203 and I-shaped support plate two 2011 are two, two I-shaped support plate one 203 are symmetrically installed with two reinforcing pipes 204, two I-shaped support plate two 2011 are symmetrically installed on both sides of the top end of I-shaped support plate one 203, connecting column 202 has four, four connecting columns 202 are respectively between I-shaped support plate two 2011 two ends and I-shaped support plate one 203, I-shaped support plate two 2011 top middle part is installed with bearing plate 3, bearing plate 3 top middle part is installed with tool anchor 4, four L-shaped tension round steels 1 are installed on tool anchor 4, four tension round steels 1 bottom ends are connected with vertical beam anchor cable 5, vertical beam anchor cable 5 bottom end is provided with anchor pad 7, vertical beam anchor cable 5 is provided with steel strand 6, two I-shaped support plate one 203 are the bottom support main body of counterforce frame main beam 2, two I-shaped support plate two 2011 are the upper support main body of counterforce frame main beam 2, tension round steel 1 can be pulled to vertical beam anchor cable 5 under the action of external jack, so as to pull vertical beam anchor cable 5 under the action of tension round steel 1, realize the prestress detection of vertical beam anchor cable 5 entity breaking detection.

[0029] As shown in the figure, Figs. 1-2 In the embodiment, the tension round steel 1 penetrates through the tool anchor 4 and is fixedly connected with the tool anchor 4, the tension round steel 1 penetrates through the bearing plate 3 and is in sliding fit with the bearing plate 3, the sliding fit installation mode can ensure the convenient sliding adjustment of the tension round steel 1 relative to the bearing plate 3, the tension round steel 1 bottom end is welded with the anchor pad 7 and the vertical beam anchor cable 5, the steel strand 6 penetrates through the vertical beam anchor cable 5 and is fixedly connected with the vertical beam anchor cable 5, the tension round steel 1 is connected with the anchor pad 7 in the mode of double-sided welding, which can ensure that the anchor pad 7 is pulled synchronously with the tension round steel 1.

[0030] As shown in the figure, Figs. 1-2 In the embodiment, the upper part of the connecting column 202 is welded with the I-shaped support plate two 2011, and the lower part of the connecting column 202 is welded with the I-shaped support plate one 203, the connecting column 202 can realize reliable connection of the I-shaped support plate two 2011 and the I-shaped support plate one 203, the two I-shaped support plate one 203 are arranged in parallel, the two I-shaped support plate two 2011 are arranged in parallel, the two ends of the reinforcing pipe 204 are welded with the two I-shaped support plate one 203 respectively, and the reinforcing pipe 204 can further improve the structural strength between the two I-shaped support plate one 203.

[0031] The specific implementation process of the embodiment is as follows: when the prestress of the vertical beam anchor cable 5 is detected after the grouting and anchoring of the vertical beam anchor cable is completed, first, the counter-force frame main beam 2 is placed at the position of the vertical beam anchor cable 5 and the anchor pad 7, then the bearing plate 3 is installed on the upper side of the counter-force frame main beam 2 opposite to the vertical beam anchor cable 5, and the tool anchor 4 is installed on the bearing plate 3, then the four L-shaped tension round steels 1 are penetrated through the tool anchor 4, and the bottom of the tension round steel 1 is welded with the vertical beam anchor cable 5 and the anchor pad 7 in the form of double-sided welding, then only the external detection jack is placed on the tool anchor 4, and the tool anchor 4 is pulled, so that the prestress of the vertical beam anchor cable 5 is detected.

[0032] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anchor cable prestress tensioning reaction frame base, characterized in that: The utility model provides a kind of anti-force frame main girder (2), the anti-force frame main girder (2) includes H-shaped support plate two (2011), connecting column (202), H-shaped support plate one (203) and reinforcing pipe (204), the H-shaped support plate one (203) and the H-shaped support plate two (2011) are two, two the reinforcing pipe (204) of symmetry is installed between the H-shaped support plate one (203), two the H-shaped support plate two (2011) is symmetrically installed in H-shaped support plate one (203) top two sides, the connecting column (202) has four, four connecting column (202) is respectively between the H-shaped support plate two (2011) both ends and H-shaped support plate one (203), the H-shaped support plate two (2011) top middle part is installed with bearing plate (3), the bearing plate (3) top middle part is installed with tool anchor (4), four L-shaped tension round steel (1) are installed on tool anchor (4), four the tension round steel (1) bottom end is connected with vertical beam anchor cable (5), anchor pad (7) is provided at the bottom of vertical beam anchor cable (5), and vertical beam anchor cable (5) is provided with steel strand (6).

2. The anchorage cable inspection and prestressed tension counterforce frame base according to claim 1, characterized in that: The tension round steel (1) penetrates the tool anchor (4) and is fixedly connected with the tool anchor (4).

3. The anchorage cable inspection and prestressed tension counterforce frame base according to claim 1, characterized in that: The tension round steel (1) penetrates the bearing plate (3) and is slidably connected with the bearing plate (3).

4. The anchorage cable inspection and prestressed tension counterforce frame base of claim 1, wherein: The tension round steel (1) bottom end is welded with the anchor pad (7) and the vertical beam anchor cable (5), and the steel strand (6) penetrates the vertical beam anchor cable (5) and is fixedly connected with the vertical beam anchor cable (5).

5. The anchorage cable inspection and prestressed tension counterforce frame base according to claim 1, characterized in that: The upper portion of the connecting column (202) is welded with the H-shaped support plate two (2011), and the lower portion of the connecting column (202) is welded with the H-shaped support plate one (203).

6. The anchorage cable inspection and prestressed tension counterforce frame base of claim 5, wherein: The two H-shaped support plate one (203) are parallelly arranged, and the two H-shaped support plate two (2011) are parallelly arranged.

7. The anchorage cable inspection and prestressed tension counterforce frame base of claim 6, wherein: The reinforcing pipe (204) is welded with the two H-shaped support plate one (203) at both ends, respectively.

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