Rapid segment bolt radian detection platform

Abstract

The utility model discloses a segment bolt radian rapid detection platform comprising a reference base plate, a lower arc block and an upper arc block, the reference base plate is provided with a first arc groove and a second arc groove, the lower end face of the lower arc block and the lower end face of the upper arc block are both provided with arc protruding blocks, and the arc protruding blocks are used for being inserted into the first arc groove and the second arc groove respectively. The two ends of the lower arc block and the two ends of the upper arc block are fixed to the reference bottom plate through bolts, and the lower arc face of the lower arc block and the upper arc face of the upper arc block jointly form an arc-shaped detection channel for the radian size of the segment bolt. Compared with the prior art, the utility model has the positive effects that the radian can be quickly adjusted at one time, and the radian adjustment adopts the integral arc-shaped groove, so that the adjustment is quicker. The upper arc block and the lower arc block are assembled into a whole set, can be matched according to product specifications, are suitable for various product specifications, do not need to replace a reference bottom plate, and are rapid in die replacement and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to a segment bolt arc rapid detection platform. BACKGROUND

[0002] In shield tunnel construction, segment bolts are used to connect a piece of prefabricated segment to form a complete ring structure. Segment bolts play a key role in connection and force transmission. Segment bolt arc is crucial as it affects the adaptability with the segment, and appropriate arc ensures close fitting and stable connection. It is related to installation operation, and correct arc makes installation convenient and tightening effective. It has an effect on long-term performance, affecting durability and structural safety. Appropriate arc can prevent corrosion and ensure stability, ensuring long-term safety of the tunnel. The arc of the segment bolt needs to be detected during production to determine whether it is qualified. Currently, there are related patents for segment bolt arc detection platform, including CN202121090452.5, CN202321948945.7 and CN202122253239.8. Among them: CN202121090452.5 has limitations in multi-specification and batch production, and needs to adjust the arc steps repeatedly; CN202321948945.7 and CN202122253239.8 need to replace the detection plate each time the arc is adjusted, and one detection plate can only detect one product specification arc. The detection plate is heavy in quality and high in cost. UTILITY MODEL CONTENTS

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the utility model provides a segment bolt arc rapid detection platform.

[0004] The utility model solves the technical problems by adopting the following technical scheme: a segment bolt arc rapid detection platform, comprising a reference base plate, a lower arc block and an upper arc block, a first arc groove and a second arc groove are arranged on the reference base plate, arc protrusions are arranged on the lower end faces of the lower arc block and the upper arc block, respectively, for insertion into the first arc groove and the second arc groove, the two ends of the lower arc block and the upper arc block are fixed together with the reference base plate by bolts, and the lower arc surface of the lower arc block and the upper arc surface of the upper arc block together form an arc-shaped detection channel with the size of the segment bolt arc.

[0005] Further, rectangular grooves are arranged on the two side faces of the reference base plate for fixing the two ends of the lower arc block and the upper arc block with the bolts.

[0006] Further, fixing blocks are arranged at the two ends of the lower arc block, and threaded holes are arranged on the fixing blocks for fixing the two ends of the lower arc block with the reference base plate with the bolts.

[0007] Further, an upper notch is arranged on the fixing block at the left end of the lower arc block.

[0008] Further, the fixed blocks are arranged at both ends of the upper arc block, and threaded holes are arranged on the fixed blocks to fix both ends of the upper arc block with the reference base plate by cooperating with bolts.

[0009] Further, a lower notch is arranged on the fixed block at the left end of the upper arc block.

[0010] Further, height adjusting seats are arranged at four corners of the bottom of the reference base plate.

[0011] Further, external threads are arranged at the top end of the height adjusting seat to be threadedly connected with the threaded holes arranged on the reference base plate.

[0012] Further, the first arc-shaped groove and the second arc-shaped groove are arranged in pairs to be used for mounting different specifications of the matched lower arc block and the upper arc block.

[0013] Compared with the prior art, the positive effect of the utility model is:

[0014] The utility model can quickly adjust the radian, and the radian adjustment adopts the integral arc-shaped groove, and the adjustment is more rapid. The utility model discloses that the upper arc block and the lower arc block are assembled into a complete set, and can be matched according to product specifications, and is suitable for various product specifications, and the reference base plate does not need to be replaced, and the upper arc block and the lower arc block are light in weight and low in cost. The utility model discloses the radian quick detection platform of segment bolt and can cope with multi-specification products, quickly change the mode, and is low in cost. Specific advantages are as follows:

[0015] (1) when multi-specification segment bolts are generated to be detected, the mode can be quickly and easily changed, and the detection efficiency is greatly improved;

[0016] (2) the arc-shaped block mode is adopted, and compared with the detection plate, the detection cost is greatly reduced. DETAILED DESCRIPTION

[0017] The utility model will be explained through examples and with reference to the mode of the accompanying drawings, wherein:

[0018] Figure 1 It is the structure schematic view of the detection platform of the utility model;

[0019] Figure 2 It is the structure schematic view of the upper surface and the left side surface of the reference base plate;

[0020] Figure 3 It is the structure schematic view of the lower bottom surface of the reference base plate;

[0021] Figure 4 It is the perspective view of the lower arc block;

[0022] Figure 5 It is the front view of the lower arc block;

[0023] Figure 6 This is a 3D view of the upper arc block;

[0024] Figure 7 This is the left view of the upper arc block;

[0025] Figure 8 This is a schematic diagram of the height adjustment seat;

[0026] Figure 9 This is a schematic diagram showing the radius dimensions of the segment bolts;

[0027] Figure 10 A schematic diagram for testing the arc A of qualified segment bolts;

[0028] The reference numerals in the figure include:

[0029] 1. Base plate; 2. Lower arc block; 3. Upper arc block; 4. Height adjustment seat; 5. Bolt.

[0030] Threaded hole 11, first arc-shaped groove 12, second arc-shaped groove 13, rectangular groove 14;

[0031] Threaded hole 21, lower arc surface 22, arc-shaped protrusion 23, upper notch 24;

[0032] Threaded hole 31, upper arc surface 32, arc-shaped protrusion 33, lower notch 34;

[0033] External thread 41. Detailed Implementation

[0034] A rapid detection platform for the curvature of segment bolts, such as Figure 1 As shown, it includes: a base plate 1, a lower arc block 2, an upper arc block 3, a height adjustment seat 4, and bolts 5; bolts 5 are GB / T 65 bolts (standard parts), and the rest are non-standard parts, among which:

[0035] The structure of the base plate 1 is as follows: Figure 2 and Figure 3 The system includes: threaded holes 11, a first arc-shaped groove 12, a second arc-shaped groove 13, and a rectangular groove 14. The threaded holes 11 are located at the four corners of the bottom of the base plate and are used to install the height adjustment seat 4 to adjust the height of the base plate. The first arc-shaped groove 12 and the second arc-shaped groove 13 are paired together and used to install matching lower arc blocks 2 and upper arc blocks 3 of different specifications. By replacing different upper and lower arc blocks, the curvature detection of various specifications of segment bolt products can be achieved. Rectangular grooves 14 are provided on both sides of the base plate 1 to cooperate with bolts 5 to fix the ends of the lower arc blocks 2 and upper arc blocks 3.

[0036] The structure of the lower arc block 2 is as follows: Figure 4 and Figure 5As shown in the drawings, the lower arc block 2 comprises: threaded holes 21, a lower arc surface 22, arc-shaped protrusions 23, and upper notches 24; threaded holes 21 are arranged on fixing blocks arranged at both ends of the lower arc block, and are used for fixing the two ends of the lower arc block together with the reference base plate 1 in cooperation with bolts 5; upper notches 24 are arranged on the fixing blocks at the left end of the lower arc block, so as to quickly identify the installation direction of the lower arc block; and arc-shaped protrusions 23 are arranged on the lower end surface of the lower arc block 2, and are used for being inserted into corresponding first arc-shaped grooves 12 on the reference base plate, so as to position the lower arc block.

[0037] The structure of the upper arc block 3 is as shown in the drawings, Figure 6 and Figure 7 comprises: threaded holes 31, an upper arc surface 32, arc-shaped protrusions 33, and lower notches 34; threaded holes 31 are arranged on fixing blocks arranged at both ends of the upper arc block, and are used for fixing the two ends of the upper arc block together with the reference base plate 1 in cooperation with bolts 5; lower notches 34 are arranged on the fixing blocks at the left end of the upper arc block, so as to quickly identify the installation direction of the upper arc block; and arc-shaped protrusions 33 are arranged on the lower end surface of the upper arc block 2, and are used for being inserted into corresponding second arc-shaped grooves 13 on the reference base plate, so as to position the upper arc block.

[0038] The structure of the height-adjusting seat 4 is as shown in the drawings, Figure 8 the top end of the height-adjusting seat 4 is provided with external threads 41, which are used for cooperating with threaded holes 11 of the reference base plate, so as to adjust the height of the reference base plate.

[0039] The assembly of the platform for quickly detecting the arc degree of a segment bolt is as follows:

[0040] The external threads 41 of the height-adjusting seat 4 are threadedly connected with the threaded holes 11 of the reference base plate; the arc-shaped protrusions 23 of the lower arc block 2 are inserted into the first arc-shaped grooves 12 of the reference base plate 1; the GB / T 65 bolts 5 are threadedly connected with the threaded holes 21 of the lower arc block 2, and are in abutment with the rectangular grooves 14 of the reference base plate 1; the arc-shaped protrusions 33 of the upper arc block 3 are inserted into the second arc-shaped grooves 13 of the reference base plate 1; and the GB / T 65 bolts 5 are threadedly connected with the threaded holes 31 of the upper arc block 3, and are in abutment with the rectangular grooves 14 of the reference base plate 1.

[0041] The utility model can detect the arc degree A of the segment bolt, as shown in the drawings. Figure 9

[0042] The detection method of the arc degree A of the segment bolt is as follows:

[0043] ​First, the tail of the segment bolt is close to the reference base plate 1, and is pushed into the arc-shaped channel formed by the upper arc surface 32 of the upper arc block 3 and the lower arc surface 22 of the lower arc block 2, and whether the curvature A size meets the requirements is determined by whether the tail of the segment bolt can smoothly pass through the arc-shaped channel. If the tail of the segment bolt can smoothly pass through the arc-shaped channel, the curvature size A of the segment bolt meets the technical requirements; if the tail of the segment bolt cannot smoothly pass through the arc-shaped channel, the curvature size A of the segment bolt is unqualified. The schematic diagram of the measurement process of the qualified segment bolt curvature A is shown in Figure 10

[0044] The working principle of the segment bolt curvature rapid detection platform of the utility model is as follows:

[0045] In the detection platform, the reference base plate is designed with an arc-shaped groove, and the arc-shaped protrusions of the upper and lower arc blocks are used to position the upper and lower arc blocks, the detection channel composed of the upper arc surface and the lower arc surface of the upper and lower arc blocks is used to rapidly detect the curvature size A of the segment bolt; by replacing different upper and lower arc blocks, the curvature detection of multiple specifications of products can be realized, the upper arc block and the lower arc block are light in mass and low in cost, rapid mold changing can be realized, and the detection efficiency during the production and inspection of multiple specifications of segment bolts can be improved. The detection platform can be suitable for the rapid detection of the curvature size A of different specifications of segment bolts.​

Claims

1. A rapid detection platform for the curvature of segment bolts, characterized in that: It includes a reference base plate, a lower arc block and an upper arc block, a first arc-shaped recess and a second arc-shaped recess are arranged on the reference base plate, arc-shaped protrusions are arranged on the lower end surfaces of the lower arc block and the upper arc block respectively for being inserted into the first arc-shaped recess and the second arc-shaped recess, the two ends of the lower arc block and the upper arc block are fixed together through bolts and the lower arc surface of the lower arc block and the upper arc surface of the upper arc block jointly form an arc-shaped detection channel with the bolt arc dimension of the pipe piece.

2. The platform for rapid detection of bolt arc of pipe segment according to claim 1, characterized in that: Rectangular recesses are arranged on the two side surfaces of the reference base plate for fixing the two ends of the lower arc block and the upper arc block through cooperation with bolts.

3. The platform for rapid detection of bolt arc of pipe segment according to claim 1, characterized in that: Fixed blocks are arranged on the two ends of the lower arc block and threaded holes are arranged on the fixed blocks for fixing the two ends of the lower arc block and the reference base plate together through cooperation with bolts.

4. The platform for quickly detecting the bolt arc of the pipe segment according to claim 3, characterized in that: An upper notch is arranged on the fixed block at the left end of the lower arc block.

5. The platform for rapid detection of bolt arc of pipe segment according to claim 1, characterized in that: Fixed blocks are arranged on the two ends of the upper arc block and threaded holes are arranged on the fixed blocks for fixing the two ends of the upper arc block and the reference base plate together through cooperation with bolts.

6. The platform for rapid detection of bolt arc of pipe segment according to claim 5, characterized in that: A lower notch is arranged on the fixed block at the left end of the upper arc block.

7. The platform for rapid detection of bolt arc of pipe segment according to claim 1, characterized in that: Height adjusting seats are arranged at the four corners of the bottom of the reference base plate.

8. The platform for quickly detecting the bolt arc of the pipe segment according to claim 7, characterized in that: External threads are arranged on the top ends of the height adjusting seats for threaded connection with the threaded holes arranged on the reference base plate.

9. The platform for rapid detection of bolt arc of pipe segment according to claim 1, characterized in that: The first arc-shaped recess and the second arc-shaped recess form a group and are respectively used for mounting paired lower arc blocks and upper arc blocks of different specifications.

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