CN213597979U - Positioning and fixing device for duct piece assembling test duct pieces - Google Patents

Abstract

The utility model discloses a section of jurisdiction location and fixing device are assembled to section of jurisdiction, including load-bearing bottom plate, bottom locating plate and assistance-localization real-time frame, the load-bearing bottom plate level is fixed in on the bottom plate of reaction frame, the bottom locating plate is the L type and is in set up 4 on the load-bearing bottom plate, 4 bottom locating plates are located 4 angle departments and the inside square space that forms of rectangle respectively, experimental section of jurisdiction 2A and experimental section of jurisdiction 3A symmetry set up in on the load-bearing bottom plate, 4 bottom locating plates are located experimental section of jurisdiction 2A and experimental section of jurisdiction 3A's four angle departments just, 4 angle points of the inside casing of assistance-localization real-time frame keep unanimous and the setpoint of 4 bottom locating plates and overlap the upper portion of locating experimental section of jurisdiction 2A and experimental section of jurisdiction 3A, insert experimental section of jurisdiction 1A just between experimental. The utility model discloses a location and the supplementary fixed action of assembling the section of jurisdiction in location and the experimentation before the experiment of fixing device.

Description

Positioning and fixing device for duct piece assembling test duct pieces

Technical Field

The utility model relates to an underground works technical field. More specifically speaking, the utility model relates to a test section of jurisdiction location and fixing device are assembled to section of jurisdiction.

Background

Along with the development of shield tunnel technique, the diameter increase of shield tunnel to lead to section of jurisdiction quantity to increase, the indirect seam of section of jurisdiction increases, installs waterproof stripe additional after, because section of jurisdiction manufacturing error with assemble the error, probably lead to the capping piece can't assemble or the intra-annular connecting bolt can't insert.

Adopt full-scale section of jurisdiction to carry out the component preparation in the experiment, consequently, experiment section of jurisdiction weight is big, and under the condition of not using section of jurisdiction erector, the removal degree of difficulty of section of jurisdiction is big, and the experiment mode of assembling adopts the section of jurisdiction vertical to assemble, needs to hoist and mount the section of jurisdiction and splice, adopts experimental apparatus hoist and mount in-process, and the removal of test piece, test piece are assembling the difficult problem in being the experimentation before assembling location, test piece keep the level. Therefore, the pipe piece is positioned and fixed before assembly, so that the pipe piece can meet the conditions of an assembly experiment.

Therefore, research and development utility model device realizes the function of location and fixed section of jurisdiction when the section of jurisdiction is assembled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a section of jurisdiction is assembled experimental section of jurisdiction location and fixing device to supplementary fixed action of assembling the section of jurisdiction location and experimentation before the experiment.

In order to realize the purposes and other advantages of the utility model, the utility model provides a positioning and fixing device for the segment assembling test, which comprises a bearing bottom plate, a bottom positioning plate and an auxiliary positioning frame, the bearing bottom plate is horizontally fixed on the bottom plate of the reaction frame, the bottom positioning plates are L-shaped, 4 bottom positioning plates are arranged on the bearing bottom plate, the 4 bottom positioning plates are respectively positioned at 4 corners of a rectangle, a rectangular space is formed inside the bottom positioning plates, the test tube piece 2A and the test tube piece 3A are symmetrically arranged on the bearing bottom plate, the 4 bottom positioning plates are just positioned at four corners of the test tube piece 2A and the test tube piece 3A, the auxiliary positioning frame is rectangular, 4 corners of the inner frame of the auxiliary positioning frame are consistent with positioning points of the 4 bottom positioning plates, the auxiliary positioning frame is sleeved on the upper portions of the test segment 2A and the test segment 3A, and the test segment 1A is just inserted between the test segment 2A and the test segment 3A.

Preferably, the test segment 2A and the test segment 3A are in a right-angled trapezoidal structure with the inner vertical surface being a wedge surface, and the test segment 1A is in an inverted isosceles T-shaped structure with the vertical surfaces at both sides being wedge surfaces.

Preferably, the inner side of the bottom positioning plate is provided with an L-shaped uniform-thickness gasket, and the thickness of the gasket is replaceable.

Preferably, the auxiliary positioning frame is including a pair of first roof beam and a pair of second roof beam that is the rectangle and distributes, the both ends of first roof beam all inwards caves in and form square notch, first roof beam is provided with many pairs of longitudinal symmetry's screw hole along its length direction interval in square notch department, and a pair of second roof beam is provided with a plurality of screw holes at its both ends along its length direction also interval, and the both ends of a pair of second roof beam correspond respectively to be located a pair of square notch of first roof beam just the screw hole of first roof beam and second roof beam is the same and correspond and pass through bolted connection.

Preferably, the height of the second beam exactly matches the square notch.

Preferably, the auxiliary positioning frame is located at the top surfaces of the two frame edges at the side of the test segment 2A and the test segment 3A and extends inwards horizontally to form a pair of baffles, and the lower bottom surfaces of the pair of baffles are just attached to the top surfaces of the test segment 2A and the test segment 3A.

The utility model discloses at least, include following beneficial effect:

1. through bearing the finish machining of bottom plate, solve section of jurisdiction location and the horizontally experimental condition of the experiment of section of jurisdiction assembling.

2. Through setting up the auxiliary positioning frame, supplementary section of jurisdiction of assembling the experiment to the section of jurisdiction carries out the accurate positioning.

3. By arranging the equal-thickness gasket, the positioning points can be freely changed according to the actual situation, so that different experimental purposes are achieved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a front view of the positioning and fixing device of the present invention;

FIG. 2 is a top view of the positioning and fixing device of the present invention;

FIG. 3 is a side view of the positioning and fixing device of the present invention;

fig. 4 is a top view of the auxiliary positioning frame of the present invention;

fig. 5 is a side view of the auxiliary positioning frame of the present invention.

Description of reference numerals:

1. auxiliary positioning frame, 2, bottom locating plate, 3, bearing bottom plate, 4, experimental section of jurisdiction 1A, 5, experimental section of jurisdiction 2A, 6, experimental section of jurisdiction 3A, 7, first roof beam, 8, second roof beam, 9, square notch, 10, screw hole, 11, baffle.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in figures 1 to 3, the utility model provides a positioning and fixing device for a duct piece assembling test, which comprises a bearing bottom plate 3, a bottom positioning plate 2 and an auxiliary positioning frame 1, the bearing bottom plate 3 is horizontally fixed on a bottom plate of a reaction frame, the bottom positioning plates 2 are L-shaped, 4 bottom positioning plates 2 are arranged on the bearing bottom plate 3, the 4 bottom positioning plates 2 are respectively positioned at 4 corners of a rectangle, a rectangular space is formed inside the bottom positioning plates, the test segment 2A5 and the test segment 3A6 are symmetrically arranged on the bearing bottom plate 3, the 4 bottom positioning plates 2 are just positioned at four corners of the test segment 2A5 and the test segment 3A6, the auxiliary positioning frame 1 is rectangular, the 4 corners of the inner frame of the auxiliary positioning frame are consistent with the positioning points of the 4 bottom positioning plates 2, the auxiliary positioning frame is sleeved on the upper parts of the test segment 2A5 and the test segment 3A6, and the test segment 1A4 is just inserted between the test segment 2A5 and the test segment 3A 6. Test segment 2A5 and test segment 3A6 are right trapezoid structures with inner side vertical surfaces as wedge surfaces, and test segment 1A4 is an inverted isosceles T-shaped structure with two side vertical surfaces as wedge surfaces.

In the technical scheme, the test tube piece 1A4 is K pieces, and the test tube pieces 2A5 and 3A6 are L pieces. The test segment 1A4 is an inverted isosceles T-shaped structure with two side elevations being wedge surfaces, the test segment 2A5 and the test segment 3A6 are right-angled trapezoid structures with inner elevations being wedge surfaces, and the test segment 1A4, the test segment 2A5 and the test segment 3A6 are of square structures. The bearing bottom plate 3 ensures that the plane of the bearing pipe piece is a standard horizontal plane through integral finish machining; the bottom positioning plate 2 is positioned at the positioning points of the four corners of the duct piece required by the experiment through finish machining; the four corners of the inner frame of the auxiliary positioning frame 1 are consistent with the positioning points of the bottom positioning plate 2, so that the positioning and the fixing of the test duct piece are realized.

In another technical scheme, an L-shaped uniform-thickness gasket is arranged on the inner side of the bottom positioning plate 2, and the thickness of the gasket is replaceable.

As shown in fig. 4 and 5, the auxiliary positioning frame 1 includes a pair of first beams 7 and a pair of second beams 8 which are distributed in a rectangular shape, both ends of the first beams 7 are both recessed inwards to form square notches 9, the first beams 7 are provided with a plurality of pairs of vertically symmetrical threaded holes 10 at the square notches 9 along the length direction thereof at intervals, the pair of second beams 8 are also provided with a plurality of threaded holes 10 at the both ends thereof along the length direction thereof at intervals, both ends of the pair of second beams 8 are respectively and correspondingly located in the square notches 9 of the pair of first beams 7, and the threaded holes 10 of the first beams 7 and the threaded holes 10 of the second beams 8 are the same and correspond to each other and are connected through bolts. The height of the second beam 8 exactly matches the square recess 9.

In above-mentioned technical scheme, 2 inboard equal thickness gaskets that set up of bottom locating plate and equal thickness gasket can change different thickness according to actual conditions to freely change the setpoint according to actual conditions, the same auxiliary positioning frame 1 also can resize, suits with the location of bottom plate locating plate. Through the mutual staggered movement of a pair of first roof beams 7 and a pair of second roof beams 8 to through aiming at different screw hole 10, rethread bolted connection realizes the regulation of auxiliary positioning frame 1 size, thereby realizes keeping the uniformity of setpoint with bottom locating plate 2.

In another technical scheme, the top surfaces of two frame edges of the auxiliary positioning frame 1 on the side of the test tube piece 2a5 and the test tube piece 3a6 extend inwards horizontally to form a pair of baffles 11, and the lower bottom surfaces of the pair of baffles 11 are just attached to the top surfaces of the test tube piece 2a5 and the test tube piece 3a 6.

Among the above-mentioned technical scheme, when experimental section of jurisdiction outside is located to the direct cover of auxiliary positioning frame 1, the risk that can take place to drop downwards, perhaps takes place certain slope, can not remain at the horizontality all the time, a pair of baffle 11's setting, a pair of L piece upper surface is hugged closely to it, has guaranteed promptly that auxiliary positioning frame 1 cover maintains the level after establishing and can not drop downwards again.

The specific implementation process is as follows:

1. the bearing bottom plate 3 is hoisted and placed on the bottom plate of the reaction frame, and leveling is carried out through the level ruler.

2. And hoisting the L blocks to the part of the bottom positioning plate 2 on the bottom plate, and positioning the two L blocks through the bottom positioning plate 2.

3. And horizontally embedding the auxiliary positioning frame 1 into two sides of the L block, and positioning the L block by referring to the positions of the L block in the attached drawings 1 and 3 as shown in the attached drawing 2.

4. And hoisting the K block to an inserting position by using a reaction frame, performing auxiliary positioning by using an auxiliary positioning frame 1, positioning and inserting the lower part of the K block, and pressing the K block downwards.

The problem of positioning in the pipe piece simulation assembling process is mainly solved through the device, so that the simulation of the platform staggering condition of the pipe piece when the pipe piece is inserted under the ideal condition and the compression condition of the water stop belt are realized, and whether displacement or even shedding occurs is realized.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (6)

1. The utility model provides a experimental section of jurisdiction location and fixing device is assembled to section of jurisdiction, a serial communication port, including load-bearing bottom plate, bottom locating plate and auxiliary positioning frame, the load-bearing bottom plate level is fixed in on the bottom plate of reaction frame, the bottom locating plate is the L type and set up 4 on the load-bearing bottom plate, 4 bottom locating plates are located 4 angle departments and the inside rectangle space that forms of rectangle respectively, experimental section of jurisdiction 2A and experimental section of jurisdiction 3A symmetry set up in on the load-bearing bottom plate, 4 bottom locating plates are located four angle departments of experimental section of jurisdiction 2A and experimental section of jurisdiction 3A just, the auxiliary positioning frame is the rectangle and its 4 angle points of inner frame keep unanimous and the setpoint of 4 bottom locating plates and overlap the upper portion of locating experimental section of jurisdiction 2A and experimental section of jurisdiction 3A, inserts experimental section of jurisdiction 1A just between experimental section of jurisdiction.

2. The positioning and fixing device for assembled test tube pieces of claim 1, wherein the test tube pieces 2A and 3A are in a right-angled trapezoidal structure with the inner vertical surfaces being wedge-shaped surfaces, and the test tube piece 1A is in an inverted isosceles T-shaped structure with the two vertical surfaces being wedge-shaped surfaces.

3. The positioning and fixing device for the segment assembling test segment of claim 1, wherein the inner side of the bottom positioning plate is provided with an L-shaped uniform-thickness gasket, and the thickness of the gasket is replaceable.

4. The positioning and fixing device for the segment assembling test segment of claim 3, wherein the auxiliary positioning frame comprises a pair of first beams and a pair of second beams which are distributed in a rectangular shape, two ends of each first beam are recessed inwards to form square notches, a plurality of pairs of vertically symmetrical threaded holes are formed in the square notches of the first beams at intervals along the length direction of the first beams, a plurality of threaded holes are formed in the two ends of each second beam at intervals along the length direction of the second beams, two ends of each second beam are correspondingly located in the square notches of the pair of first beams, the threaded holes of the first beams are identical to the threaded holes of the second beams, the threaded holes of the second beams are corresponding to the threaded holes of the first beams, and the threaded holes of the first beams are connected with the threaded.

5. The tube sheet assembling test tube sheet positioning and fixing device according to claim 4, wherein the height of the second beam is matched with the square notch.

6. The positioning and fixing device for assembling test tube pieces of claim 1, wherein the top surfaces of the two frame edges of the auxiliary positioning frame on the side of the test tube pieces 2A and 3A extend inwards horizontally to form a pair of baffles, and the lower bottom surfaces of the pair of baffles are just attached to the top surfaces of the test tube pieces 2A and 3A.

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