CN212133667U

CN212133667U - A limit measuring device for subway engineering

Info

Publication number: CN212133667U
Application number: CN202021391592.1U
Authority: CN
Inventors: 施秋劼
Original assignee: Beijing Urban Construction Exploration and Surveying Design Research Institute Co Ltd
Current assignee: Beijing Urban Construction Exploration and Surveying Design Research Institute Co Ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-12-11
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a boundary limit measuring device for subway engineering, including two sliding bottom, two sliding bottom's bottom and top outer wall are opened first spout and second spout respectively, and equal sliding connection has same connecting seat in two second spouts, the bottom both sides outer wall of connecting seat all is provided with supporting mechanism, the top both sides outer wall of connecting seat all is fixed with the fixing base through latch mechanism, the top outer wall of two fixing bases all is provided with flexible regulation post, and the equal sliding connection of outer wall of two flexible regulation posts has three level measurement pole, one side outer wall of two flexible regulation posts all is provided with the screw thread adjusting knob, two guide holes have all been opened to the top outer wall of two fixing bases, it has same sliding plate all to peg graft in per two guide holes. The utility model discloses satisfy the measurement requirement of subway tunnel top cambered surface minimum and peak, improved measuring efficiency and quality, and played the gauge measuring effect to different subway tunnel positions.

Description

A limit measuring device for subway engineering

Technical Field

The utility model relates to a technical field is measured to subway engineering's boundary limit, especially relates to a boundary limit measuring device for subway engineering.

Background

The speed of the subway engineering is increased once and again, the running speed of the train is increased more and more, the speed is increased from five kilometers and sixty kilometers per hour to one hundred and forty kilometers per hour, and the requirements on the subway rails are increased more and more besides the requirements on locomotives and vehicles. The correctness of the geometric parameters of the subway rail is more and more important for the safety of a train running at a high speed. With the speed increase of the subway, the check on the geometric parameters of the line is correspondingly stricter, and the measurement is changed from the measurement of the original line territory once a month to 2 times a month at an interval of 5m, and is now 2 times a week at an interval of 3 m. And carrying out retest inspection by the large rail inspection vehicle of the railway bureau every quarter.

Through search, chinese patent application No. CN201510255890.5 discloses a limit measurement bracket for subway engineering, which includes a base, a vertical shaft, a main body frame, a set of second flexible limit plates, two sets of extension brackets, and a plurality of first flexible limit plates, wherein the vertical shaft is perpendicular to the base, and the outer edges of the left and right sides of the main body frame are respectively hinged with a set of extension brackets. One of the above-mentioned patents is used for gauge measuring support of subway engineering to have following shortcoming: when the whole device is used for measuring the inside clearance of subway engineering, the measuring position is relatively fixed, so that the measuring work efficiency of each position in an engineering tunnel is low, and the stability of the bottom of the whole framework is relatively poor, therefore, a clearance measuring device for subway engineering is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the clearance measuring device who provides for subway engineering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a limit measuring device for subway engineering comprises two sliding bases, wherein the bottom and the top outer walls of the two sliding bases are respectively provided with a first sliding groove and a second sliding groove, the two second sliding grooves are respectively and slidably connected with a same connecting seat, the bottom two side outer walls of the connecting seat are respectively provided with a supporting mechanism, the top two side outer walls of the connecting seat are respectively fixed with a fixed seat through a clamping mechanism, the top outer walls of the two fixed seats are respectively provided with a telescopic adjusting column, the outer walls of the two telescopic adjusting columns are respectively and slidably connected with three horizontal measuring rods, the outer wall of one side of each of the two telescopic adjusting columns is provided with a threaded adjusting button, the top outer walls of the two fixed seats are respectively provided with two guide holes, each two guide holes are internally inserted with a same sliding plate, the middle outer wall of the opposite side of each sliding plate is respectively and slidably connected with, the top outer wall of telescopic link is provided with the arc and supports the board, and the arc is supported the both sides outer wall of board and all is fixed with the spring post that the equidistance distributes through the bracing piece, and open the extension rod inboard of telescopic link has the magnetism fixed slot, and the top and the bottom of magnetism fixed slot all adsorb the guide arm, and two guide arms pass through magnet mutual adsorption with flexible regulation post extension rod looks remote site and fix.

As a further aspect of the present invention: each supporting mechanism comprises three conical fixing columns, threaded columns, a containing fixing ring and connecting blocks, mounting grooves are formed in the outer walls of the two sides of the bottom of the connecting seat, and the connecting blocks are connected to the inner walls of the two sides of one mounting groove through rotating shafts.

As a further aspect of the present invention: the threaded column is welded on the outer wall of the bottom of the connecting block, and the containing and fixing ring is sleeved on the circumference of the threaded column through threads.

As a further aspect of the present invention: accomodate solid fixed ring's outer wall and open and have three groove of accomodating, three tapered fixed column rotates through the pivot to be connected on the inner wall in three groove of accomodating.

As a further aspect of the present invention: every clamping mechanism includes two card posts, two card section of thick bamboo and spacing grooves, and the spacing groove is opened in the bottom of fixing base, and the connecting seat is close to the top of spacing groove below and is provided with the rectangle arch.

As a further aspect of the present invention: two the card post welds on the bellied top outer wall of rectangle, and two card section of thick bamboo weld in spacing inslot, spacing groove and the protruding looks adaptation of rectangle, card post and a card section of thick bamboo looks adaptation.

Compared with the prior art, the utility model provides a boundary limit measuring device for subway engineering possesses following beneficial effect:

1. the limit measuring device for subway engineering fixes the whole framework through the supporting mechanism at the bottom of two end faces of a connecting seat to ensure the measuring stability, two sliding bases also play a role in measuring the limits of different subway tunnel positions, then the height of a telescopic adjusting column is adjusted through a threaded adjusting button to measure the height of a subway tunnel, three horizontal measuring rods which are connected with the sliding bases in a sliding mode play a role in effectively measuring the distance between the side walls of the tunnel, during the period, the telescopic adjusting column which is extended upwards drives two guide rods to move upwards, simultaneously, an arc abutting plate at the top end of a telescopic rod extension rod is also driven to move upwards, the arc-shaped abutting plate can effectively abut against the top arc surface of the tunnel, a spring column also plays a fixed effect, meanwhile, the telescopic rod and the arc-shaped abutting plate play a role in measuring the vertical radial height, and a U-shaped sliding block at the bottom of the telescopic rod can horizontally slide on two sliding plates, and then the measurement requirements of the lowest point and the highest point of the top cambered surface of the subway tunnel are met, and the measurement efficiency and quality are improved.

2. This a boundary limit measuring device for subway engineering, through the swivelling joint piece for accomodate solid fixed ring perpendicularly downwards, and with every rotatory the same angle of the awl type fixed block of accomodating the inslot, make it present triangle fixed state, again with three awl type fixed block bottom mounting subaerial, thereby accomplished the spacing fixed to connecting seat top framework, not only be favorable to accomodating three awl type fixed block from this, convenient transportation, improved the stability of boundary limit work moreover.

3. This a boundary limit measuring device for subway engineering, through the protruding joint of rectangle in the spacing inslot of fixing base bottom and the mode of card post joint in a calorie section of thick bamboo, fixed fixing base and connecting seat interconnect, not only overcome and used the bolt to connect fixedly and dismantle unchangeable problem, promoted fixing base and connecting seat stable connection effect moreover to a certain extent, guaranteed the stability of fixing base.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation, and stability is good.

Drawings

Fig. 1 is a schematic structural view of a gauge measuring device for subway engineering according to the present invention;

fig. 2 is a schematic view of a first partial structure of a boundary measuring device for subway engineering according to the present invention;

fig. 3 is a second partial structure diagram of a clearance measuring device for subway engineering.

In the figure: the device comprises a sliding base 1, a first sliding chute 2, a second sliding chute 3, a connecting seat 4, a fixed seat 5, a telescopic adjusting column 6, a horizontal measuring rod 7, a spring column 8, a guide rod 9, an arc-shaped abutting plate 10, a telescopic rod 11, a sliding plate 12, a guide hole 13, a clamping column 14, a clamping cylinder 15, a conical fixing column 16, a threaded column 17, a storage fixing ring 18 and a connecting block 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A limit measuring device for subway engineering is disclosed, as shown in FIG. 1-3, comprising two sliding bases 1, the bottom and top outer walls of the two sliding bases 1 are respectively provided with a first chute 2 and a second chute 3, and the two second chutes 3 are both connected with a same connecting seat 4 in a sliding manner, the bottom two side outer walls of the connecting seat 4 are both provided with a supporting mechanism, the top two side outer walls of the connecting seat 4 are both fixed with a fixed seat 5 through a clamping mechanism, the top outer walls of the two fixed seats 5 are both fixed with telescopic adjusting columns 6 through threads, the outer walls of the two telescopic adjusting columns 6 are both connected with three horizontal measuring rods 7 in a sliding manner, the outer wall of one side of each of the two telescopic adjusting columns 6 is provided with a threaded adjusting button, the top outer walls of the two fixed seats 5 are both provided with two guide holes 13, each two guide holes 13 are inserted with a same sliding plate 12, the middle outer wall of the opposite side of each of, the outer wall of the top of the U-shaped sliding block is fixedly provided with a telescopic rod 11 through a bolt, the outer wall of the top of the telescopic rod 11 is fixedly provided with an arc-shaped abutting plate 10 through a bolt, the outer walls of two sides of the arc-shaped abutting plate 10 are fixedly provided with spring columns 8 which are distributed at equal intervals through supporting rods, the inner side of an extension rod of the telescopic rod 11 is provided with a magnetic fixing groove, the top and the bottom of the magnetic fixing groove are respectively adsorbed with a guide rod 9, and the two guide rods 9 and the opposite ends of the extension rod of the telescopic; when in use, the two sliding bases 1 are clamped on a subway rail, the position to be measured is adjusted through the connecting base 4 connected on the sliding bases in a sliding way, then the whole framework is fixed through the supporting mechanisms at the bottoms of the two end faces of the connecting base 4 to ensure the measuring stability of the whole framework, the two sliding bases 1 also play a role in measuring the limit of different subway tunnel positions, then the height of the telescopic adjusting column 6 is adjusted through the threaded adjusting button to measure the height of the subway tunnel, the three horizontal measuring rods 7 connected on the sliding bases play a role in effectively measuring the distance of the side wall of the tunnel, during the period, the telescopic adjusting column 6 extending upwards drives the two guide rods 9 to move upwards, simultaneously drives the arc-shaped abutting plates 10 at the top ends of the telescopic rods 11 to move upwards to effectively abut against the top cambered surface of the tunnel, and the spring columns 8 also play a role in fixing, meanwhile, the telescopic rod 11 and the arc-shaped supporting plate 10 thereof play a role in measuring vertical radial height, and the U-shaped sliding block at the bottom of the telescopic rod 11 can horizontally slide on the two sliding plates 12, so that the measurement requirements of the lowest point and the highest point of the top arc surface of the subway tunnel are met, and the measurement efficiency and quality are improved.

In order to ensure the stability of the overall framework measurement work, as shown in fig. 3, each support mechanism comprises three conical fixing columns 16, threaded columns 17, a containing fixing ring 18 and a connecting block 19, wherein mounting grooves are formed in the outer walls of the two sides of the bottom of the connecting seat 4, the connecting block 19 is rotatably connected to the inner walls of the two sides of one mounting groove through a rotating shaft, the threaded columns 17 are welded to the outer wall of the bottom of the connecting block 19, the containing fixing ring 18 is sleeved on the circumference of the threaded columns 17 through threads, three containing grooves are formed in the outer wall of the containing fixing ring 18, and the three conical fixing columns 16 are rotatably connected to the inner walls of the three containing grooves through rotating; during the use, through swivelling joint piece 19, make and accomodate solid fixed ring 18 perpendicularly downwards, and with every rotatory the same angle of the awl type fixed block 18 of accomodating the inslot, make it present triangle fixed state, again with three awl type fixed block 18 bottom mounting subaerial, thereby accomplished the spacing fixed to connecting seat 4 top framework, not only be favorable to accomodating three awl type fixed block 18 from this, convenient transportation, improved the stability of limit work moreover.

In order to effectively mount and fix the fixing seat 5, as shown in fig. 2, each of the clamping mechanisms includes two clamping columns 14, two clamping cylinders 15 and a limiting groove, the limiting groove is formed in the bottom of the fixing seat 5, a rectangular protrusion is formed on the top of the connecting seat 4 close to the lower side of the limiting groove, the two clamping columns 14 are welded on the outer wall of the top of the rectangular protrusion, the two clamping cylinders 15 are welded in the limiting groove, the limiting groove is matched with the rectangular protrusion, and the clamping columns 14 are matched with the clamping cylinders 15; during the use, through the protruding joint of rectangle in the spacing inslot of fixing base 5 bottom and the mode of card post 14 joint in a calorie section of thick bamboo 15, fixed fixing base 5 and connecting seat 4 interconnect, not only overcome and used the bolt to connect fixedly and dismantle unchangeable problem, promoted fixing base 5 and connecting seat 4 stable connection effect moreover to a certain extent, guaranteed fixing base 5's stability.

The working principle is as follows: when in use, the two sliding bases 1 are clamped on a subway rail, the position to be measured is adjusted through the connecting base 4 connected on the sliding bases in a sliding way, the fixing base 5 and the connecting base 4 are mutually connected and fixed in a way that the rectangular bulges are clamped in the limiting grooves at the bottom of the fixing base 5 and the clamping columns 14 are clamped in the clamping cylinders 15, then the containing fixing rings 18 are enabled to be vertically downward by rotating the connecting blocks 19, the conical fixing blocks 18 in each containing groove are rotated by the same angle to be in a triangular fixing state, the bottom ends of the three conical fixing blocks 18 are fixed on the ground, thereby the limiting and fixing of the top framework of the connecting base 4 are completed, the measuring stability of the connecting bases is ensured, the two sliding bases 1 also play a role in measuring the limit of different subway positions of the tunnel, and then the height of the telescopic adjusting columns 6 is adjusted through the thread adjusting buttons, thereby measure the height in subway tunnel, and three level measurement pole 7 of sliding connection above that has played the distance of effective measurement tunnel lateral wall, and during this period, the flexible regulation post 6 of upwards extension drives two guide arms 9 rebound, also drive the arc of telescopic link 11 extension pole top simultaneously and support board 10 rebound, can effectively support tunnel top cambered surface, and spring post 8 has also played fixed effect, telescopic link 11 and its arc support board 10 have played the effect of measuring vertical radial height simultaneously, and the U type slider of telescopic link 11 bottom can horizontal slip on two sliding plates 12, and then satisfied the measurement requirement of subway tunnel top cambered surface minimum and peak.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A limit measuring device for subway engineering comprises two sliding bases (1) and is characterized in that a first sliding groove (2) and a second sliding groove (3) are respectively formed in the outer walls of the bottom and the top of the two sliding bases (1), the two second sliding grooves (3) are connected with the same connecting seat (4) in a sliding mode, supporting mechanisms are arranged on the outer walls of the two sides of the bottom of the connecting seat (4), fixing seats (5) are fixed on the outer walls of the two sides of the top of the connecting seat (4) through clamping mechanisms, telescopic adjusting columns (6) are arranged on the outer walls of the tops of the two fixing seats (5), three horizontal measuring rods (7) are connected with the outer walls of the two telescopic adjusting columns (6) in a sliding mode, threaded adjusting buttons are arranged on the outer walls of one sides of the two telescopic adjusting columns (6), two guide holes (13) are formed in the outer walls of the tops of, equal pegging graft in per two guide holes (13) has same sliding plate (12), the equal sliding connection of the middle outer wall of the relative one side of two sliding plates (12) has same U type slider, the top outer wall of U type slider is provided with telescopic link (11), the top outer wall of telescopic link (11) is provided with arc and supports board (10), the both sides outer wall of arc support board (10) all is fixed with spring post (8) that the equidistance distributes through the bracing piece, open the extension rod inboard of telescopic link (11) has the magnetism fixed slot, and the top and the bottom of magnetism fixed slot all adsorb guide arm (9), two guide arm (9) and flexible regulation post (6) extension rod looks remote site pass through magnet and adsorb fixedly each other.

2. The limit measuring device for subway engineering according to claim 1, wherein each said supporting mechanism includes three conical fixing columns (16), threaded columns (17), receiving fixing rings (18) and connecting blocks (19), and the outer walls of two sides of the bottom of the connecting base (4) are all opened with mounting slots, and the connecting blocks (19) are rotatably connected to the inner walls of two sides of one of the mounting slots through rotating shafts.

3. Boundary measuring device for subway engineering according to claim 2, characterized in that said threaded column (17) is welded on the bottom outer wall of the connection block (19), the receiving fixing ring (18) is sleeved on the circumference of the threaded column (17) by screw thread.

4. The clearance measuring device for subway engineering as claimed in claim 2, wherein said housing fixing ring (18) has three housing slots on its outer wall, and three conical fixing posts (16) are rotatably connected to the inner walls of the three housing slots through rotating shafts.

5. The limit measuring device for subway engineering according to claim 1, wherein each clamping mechanism comprises two clamping columns (14), two clamping cylinders (15) and a limit groove, the limit groove is formed in the bottom of the fixing seat (5), and a rectangular protrusion is arranged on the top of the connecting seat (4) close to the lower portion of the limit groove.

6. The clearance measuring device for subway engineering as claimed in claim 5, wherein two said clip columns (14) are welded on the top outer wall of the rectangular protrusion, two clip cylinders (15) are welded in the limiting groove, the limiting groove is matched with the rectangular protrusion, and the clip columns (14) are matched with the clip cylinders (15).