CN212391202U - Shield segment horizontal assembling test base and assembling test bed - Google Patents
Shield segment horizontal assembling test base and assembling test bed Download PDFInfo
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- CN212391202U CN212391202U CN202020278104.XU CN202020278104U CN212391202U CN 212391202 U CN212391202 U CN 212391202U CN 202020278104 U CN202020278104 U CN 202020278104U CN 212391202 U CN212391202 U CN 212391202U
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- screw rod
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- guardrail
- top plate
- shield
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Abstract
The utility model relates to a tunnel lining's inspection tool, discloses a shield segment horizontal assembly test base and assembly test bench, the shield segment horizontal assembly test base includes the bottom plate and the roof that the level set up, and the screw rod lift of vertical setting between bottom plate and roof, the screw rod lift is respectively with bottom plate and roof fixed connection; the guardrail is arranged on the edge of the short edge of the top plate, and the horizontal adjusting bolt is arranged on the guardrail in a penetrating way. The assembling test bed comprises a plurality of shield segment horizontal assembling test bases, and the shield segment horizontal assembling test bases are arranged along the circumferential direction of the end face of the bottom of a segment at intervals. The utility model can adjust the position of the duct piece after the duct piece is placed on the base by arranging the horizontal adjusting screw rod; the utility model can adjust the pitch angle of the top plate by adjusting the height of the screw rod lifter, and can adapt to the wedge-shaped ring segment by adjusting the pitch angle; the utility model discloses a set up the bottom plate, link into a base with two adjacent bases, make it be difficult for turning on one's side.
Description
Technical Field
The utility model relates to a tunnel lining's inspection tool especially relates to a shield constructs section of jurisdiction level and assembles experimental base and assemble test bench.
Background
The lining of the shield tunnel is usually formed by assembling a plurality of circular pipe sections end to end, each circular pipe section is formed by assembling a plurality of pipe segments, and the pipe segments forming the pipe sections are usually divided into three types, namely a standard block, an adjacent block and a top sealing block.
The shield segment horizontal assembly test is a necessary procedure for checking the shape and the processing precision of the shield tunnel segments, and the shield segments are randomly drawn out to carry out the assembly test every time a batch of segments are produced. When the shield segment horizontal splicing test is carried out, segments need to be spliced into segments with end faces parallel to the ground. And in order to measure the size and the gap size of each part of the assembled pipe joints, the pipe joints are erected on a base fixed on the ground, and the base is a rectangular lifting table and is arranged at intervals along the circumferential direction of the end face of the bottom of the pipe joints.
At the tunnel corner, used section of jurisdiction is called the wedge ring section of jurisdiction, including turning left the section of jurisdiction and turning right the ring section of jurisdiction two kinds, be nonparallel between two terminal surfaces of its pipe ring of assembling, there is the wedge volume, this kind of section of jurisdiction erects back on the horizontally base, and the pipe ring that the section of jurisdiction assembled is the slope, and is very insecure.
In addition, the test process is assembled to present shield segment level still has two problems, and one of them is that the position can't be adjusted on the base to the coupling, and its two are that the base steadiness is poor, turns on one's side easily, and is high to fixed requirement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shield constructs section of jurisdiction level and assembles experimental base.
The technical problem to be solved is that: the pipe joint in the shield segment horizontal assembly test cannot be adjusted in position on the base, the base is poor in stability and prone to side turning; and when assembling the wedge-shaped ring pipe piece, the pipe piece is not stable.
In order to solve the technical problem, the utility model adopts the following technical scheme: a shield segment horizontal splicing test base comprises a bottom plate and a top plate which are horizontally arranged, and a screw rod lifter which is vertically arranged between the bottom plate and the top plate, wherein the screw rod lifter is fixedly connected with the bottom plate and the top plate respectively;
the top plate is a plurality of rectangular steel plates which are horizontally arranged side by side at intervals;
a guardrail is arranged at the position of the short edge of the upper plate surface of the top plate; the guardrail is provided with a horizontal adjusting bolt in a penetrating mode, the horizontal adjusting bolt penetrates through the guardrail from the outer side of the guardrail inwards and is locked, and the axis of the horizontal adjusting bolt is perpendicular to the surface of the guardrail.
Furthermore, every set up two screw rod lifts under the roof, two screw rod lifts under the same roof set up along roof length direction interval, and both ends respectively with roof and bottom plate welded connection about just.
Furthermore, the guardrail is the rectangle steel sheet, and one side face lower part pastes the terminal surface setting of pasting the roof to with roof welded connection.
Further, the horizontal adjustment bolt is self-locked by the trapezoidal thread.
Furthermore, the screw rod lifter is a manual screw rod lifter, and a screw rod of the screw rod lifter is a trapezoidal screw rod with a positive and negative buckle structure.
Further, a duct piece groove is formed in the upper plate surface of the top plate, and the duct piece groove is in clearance fit with the duct piece.
The utility model provides a test bench is assembled to shield section of jurisdiction level, includes a plurality of foretell shield section of jurisdiction levels and assembles experimental base, treats experimental section of jurisdiction and assembles into the collar, and the bottom terminal surface of collar erects on shield section of jurisdiction level assembles experimental base, shield section of jurisdiction level is assembled experimental base and is followed collar bottom terminal surface circumference interval setting, its characterized in that: the central axis parallel to the long edge in the bottom plate of the shield segment horizontal assembling test base is collinear with the central point of the bottom end face of the pipe ring formed by splicing the segments.
The utility model discloses a set up horizontal adjusting screw, can put the position of back adjustment section of jurisdiction on the base at the section of jurisdiction, adjust the interval of section of jurisdiction and central line point to adjust the radius of assembling, and make and assemble each section of jurisdiction of in-process and can tight amalgamation.
The utility model discloses in, through the height of adjusting screw rod lift, the every single move angle of adjustable roof to adapt to the wedge ring section of jurisdiction through adjusting every single move angle, make the axis and the perpendicular to the ground of the pipe ring that enables the section of jurisdiction assembly when assembling the wedge ring section of jurisdiction, it is more firm.
The utility model discloses a set up the bottom plate, link into a base with two adjacent bases, make it be difficult for turning on one's side.
Drawings
FIG. 1 is a front view of a horizontal assembling test base for shield segments in the present invention;
FIG. 2 is a left side view of the horizontal assembling test base for shield segments of the present invention;
FIG. 3 is a top view of the horizontal assembling test base for shield segments of the present invention;
fig. 4 is a top view of the horizontal assembling test bed for shield segments of the present invention, which further includes a bottom wedge-shaped ring segment;
FIG. 5 is a cross-sectional view of section A-A of FIG. 4;
the device comprises a base plate 1, a screw rod lifter 2, a top plate 3, a pipe sheet groove 31, a guardrail 4, a horizontal adjusting bolt 5 and a pipe sheet 6.
Detailed Description
As shown in fig. 1-3, the horizontal splicing test base for shield segments of the present invention comprises a bottom plate 1 and a top plate 3 which are horizontally arranged, and a screw lifter 2 which is vertically arranged between the bottom plate 1 and the top plate 3, wherein the screw lifter 2 is respectively connected with the bottom plate 1 and the top plate 3 in a welding manner;
the top plates 3 are two rectangular steel plates arranged side by side, and a space is reserved between the two top plates 3; every set up two screw rod lift 2 under the roof 3, two screw rod lift 2 under same roof 3 set up along 3 length direction intervals of roof, and both ends respectively with roof 3 and bottom plate 1 welded connection about just. The screw lifter 2 thus provided makes the pitch angle of the top plate 3 adjustable, and the pitch angle of the top plate 3 can be adjusted by adjusting the height of the screw lifter 2.
The upper plate surface of the top plate 3 is provided with a duct piece groove 31, and the duct piece groove 31 is in clearance fit with the duct piece 6 so as to facilitate the positioning of the duct piece 6 during placement; the guardrail 4 is arranged at the edge of the upper plate surface of the top plate 3, and the guardrail 4 is arranged at the short edge position of the upper plate surface of the top plate 3;
wear to be equipped with horizontal adjusting bolt 5 on guardrail 4, horizontal adjusting bolt 5 is by 4 outsides of guardrail inwards pierce through guardrail 4 and locking to fix section of jurisdiction 6 after having adjusted section of jurisdiction 6 position, horizontal adjusting bolt 5's axis is perpendicular with the face of guardrail 4.
The horizontal adjusting bolt 5 is self-locked through the trapezoidal threads, so that the locking cost is low, and a mechanical structure does not need to be additionally arranged.
The length-width ratio of the bottom plate 1 is not more than 1.5, and the length-width ratio of the bottom plate 1 is unstable when being too large; the length-width ratio of the top plate 3 is not less than 3, and the segment 6 is not easy to be tightly attached to the top plate 3 when the length-width ratio of the top plate 3 is too small; the horizontal spacing between two adjacent top plates 3 is not less than one third of the length of the top plates 3, and if the horizontal spacing is too close, more bases are needed for each test.
The thickness of the guardrail 4 is not less than 15mm, and if the thickness is too thin, the guardrail is easy to deform when the horizontal adjusting bolt 5 is adjusted.
As shown in fig. 4-5, use the utility model discloses a test base is assembled to shield section of jurisdiction level assembly test base construction, including a plurality of shield section of jurisdiction levels assembly test base, treat that experimental section of jurisdiction 6 assembles into the collar, and the bottom terminal surface of collar erects on shield section of jurisdiction level assembly test base, shield section of jurisdiction level assembly test base sets up along collar bottom terminal surface circumference interval, shield section of jurisdiction level assembly test base bottom plate 1 with the central point collineation of the axis that long limit is parallel and the bottom terminal surface of the collar that section of jurisdiction 6 pieced together, the axis and the ground vertical of the collar that section of jurisdiction 6 pieced together, roof 3 pastes the bottom terminal surface setting of the collar that pastes to paste section of jurisdiction 6 piece together.
Use the utility model discloses a shield constructs section of jurisdiction level and assembles test base and build assemble test bench, its use includes following step:
determining the circle center of a horizontal assembly test on a flat ground, paying off according to a drawing of an assembly test bed, and placing a base;
fixing the base on the ground;
drawing inner and outer contour lines of the cambered surfaces of the segments 6 to be assembled on the top plate 3 of the base, and marking corresponding positions of the segments 6; if the duct piece 6 with the same specification needs to be assembled for a long time, the duct piece groove 31 can be directly machined on the top plate 3;
drawing a 3D (three-dimensional) graph of the segments 6 assembled into a ring, marking the positions of all bases below the tube ring, and measuring the wedge-shaped amount of a contact point between each base and the segment 6 by adopting a measurement command of software;
drawing the contour lines of the inner arc surface and the outer arc surface in the third step on a drawing of an assembling test bed, and marking the elevations of the positions of different arc lines on the top plate 3 according to the wedge-shaped amount of the segments 6 so that the axis of a pipe ring formed by splicing the segments 6 is vertical to the ground after the segments 6 are placed on the base; then, the elevations of the positions of different arcs on the top plate 3 are adjusted by adjusting the screw rod lifter 2, and the screw rod lifter 2 is locked after the elevations are adjusted in place; monitoring by using a total station instrument in the process of adjusting the elevation of the top plate 3 so as to control the error of the elevation within 0.15 mm;
and sixthly, placing the duct piece 6 on the base, and adjusting the horizontal adjusting bolt 5 to align the mark on the duct piece 6 with the contour line on the base.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a shield constructs section of jurisdiction level and assembles experimental base which characterized in that: the screw rod lifter comprises a bottom plate (1) and a top plate (3) which are horizontally arranged, and a screw rod lifter (2) which is vertically arranged between the bottom plate (1) and the top plate (3), wherein the screw rod lifter (2) is fixedly connected with the bottom plate (1) and the top plate (3) respectively;
the top plate (3) is a plurality of rectangular steel plates which are horizontally arranged side by side at intervals;
a guardrail (4) is arranged at the short edge of the upper plate surface of the top plate (3); the guardrail is characterized in that a horizontal adjusting bolt (5) penetrates through the guardrail (4) in the guardrail (4), the horizontal adjusting bolt (5) penetrates through the guardrail (4) from the outer side of the guardrail (4) to be locked, and the axis of the horizontal adjusting bolt (5) is perpendicular to the surface of the guardrail (4).
2. The shield segment horizontal splicing test base of claim 1, which is characterized in that: every set up two screw rod lift (2) under roof (3), two screw rod lift (2) under same roof (3) set up along roof (3) length direction interval, and both ends respectively with roof (3) and bottom plate (1) welded connection from top to bottom.
3. The shield segment horizontal splicing test base of claim 2, which is characterized in that: the guardrail (4) is a rectangular steel plate, and the lower part of the surface of one side is attached to the end surface of the top plate (3) and is connected with the top plate (3) in a welding mode.
4. The shield segment horizontal splicing test base of claim 3, which is characterized in that: the horizontal adjusting bolt (5) is self-locked through trapezoidal threads.
5. The shield segment horizontal splicing test base of claim 4, which is characterized in that: the screw rod lifter (2) is a manual screw rod lifter, and a screw rod of the screw rod lifter (2) is a trapezoidal screw rod with a positive and negative buckle structure.
6. The shield segment horizontal splicing test base of claim 5, which is characterized in that: the upper plate surface of the top plate (3) is provided with a duct piece groove (31), and the duct piece groove (31) is in clearance fit with the duct piece (6).
7. The utility model provides a test bench is assembled to shield section of jurisdiction level which characterized in that: including a plurality of claim 1 shield constructs section of jurisdiction level and assembles experimental base, treats that section of jurisdiction (6) of experiment assembles into the collar, and the bottom terminal surface of collar erects on shield constructs section of jurisdiction level and assembles experimental base, shield constructs section of jurisdiction level and assembles experimental base along collar bottom terminal surface circumference interval setting, shield constructs the central point collineation of the bottom terminal surface of collar that is assembled with the axis that long limit is parallel and section of jurisdiction (6) in bottom plate (1) of experimental base is assembled to section of jurisdiction level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020278104.XU CN212391202U (en) | 2020-03-09 | 2020-03-09 | Shield segment horizontal assembling test base and assembling test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020278104.XU CN212391202U (en) | 2020-03-09 | 2020-03-09 | Shield segment horizontal assembling test base and assembling test bed |
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| Publication Number | Publication Date |
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| CN212391202U true CN212391202U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020278104.XU Active CN212391202U (en) | 2020-03-09 | 2020-03-09 | Shield segment horizontal assembling test base and assembling test bed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482523A (en) * | 2022-01-26 | 2022-05-13 | 湖南中耀交通工程有限公司 | Steerable end mould reinforcing device and construction method thereof |
| CN114923717A (en) * | 2022-04-24 | 2022-08-19 | 中国科学院武汉岩土力学研究所 | Antifriction follow-up platform for full-scale test of tunnel engineering |
-
2020
- 2020-03-09 CN CN202020278104.XU patent/CN212391202U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482523A (en) * | 2022-01-26 | 2022-05-13 | 湖南中耀交通工程有限公司 | Steerable end mould reinforcing device and construction method thereof |
| CN114923717A (en) * | 2022-04-24 | 2022-08-19 | 中国科学院武汉岩土力学研究所 | Antifriction follow-up platform for full-scale test of tunnel engineering |
| CN114923717B (en) * | 2022-04-24 | 2023-10-20 | 中国科学院武汉岩土力学研究所 | Tunnel engineering full-scale test antifriction follow-up platform |
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