CN218120976U

CN218120976U - Track simulation measuring platform

Info

Publication number: CN218120976U
Application number: CN202222041307.9U
Authority: CN
Inventors: 韩明学; 陈帅; 刘诗争; 冯建国; 牛冬; 白冰莹; 何飞; 张鑫; 罗正飞; 赵睿宁
Original assignee: Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Current assignee: Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-12-23
Anticipated expiration: 2032-08-04

Abstract

The application discloses track simulation measuring platform belongs to the track engineering field, and it is big to have solved the measurement degree of difficulty that circular shield interval prefabricated plate ballast bed laid back power supply system and carried out trackless construction, and measurement efficiency is low, and measurement accuracy is inaccurate, and the problem that construction progress and construction quality are difficult to guarantee. The bottom surfaces of the two supporting structures are located at the same horizontal height, and each supporting structure comprises a lower support, a first steel pipe, a second steel pipe and an upper support. A first steel pipe is fixed at the top of the lower support, and the first steel pipe and the lower support are vertically arranged. The second steel pipe is sleeved at one end of the first steel pipe, which is far away from the lower support. An upper support is fixed at one end of the second steel pipe, which is far away from the first steel pipe, and the second steel pipe and the upper support are vertically arranged. A first connecting rod is fixed between the two first steel pipes. And a second connecting rod is fixed between the two second steel pipes. The trackless construction measuring device and the trackless construction measuring method have the advantages that the measuring difficulty of trackless construction is greatly reduced, the measuring efficiency is improved, the measuring precision is guaranteed, and the construction progress and the construction quality are guaranteed.

Description

Track simulation measuring platform

Technical Field

The application relates to the technical field of rail engineering, in particular to a rail simulation measuring platform.

Background

In the subway construction process, because the structure in the subway tunnel is in a precast slab track bed form, the condition that the track bed slab is laid completely and the steel rail erection progress is slow generally exists. According to conventional construction process, the positioning measurement of the ring network cable support in the interval, the transverse positioning measurement of the contact network and the measurement of the evacuation platform need to be carried out by depending on an erected rail, however, in order to ensure the construction progress, workers often need to carry out the construction operation of the ring network, the contact network and the evacuation platform before the rail is not laid. However, the measurement difficulty of trackless construction is high under the condition that no track is used as a reference object and only the track bed plate is laid and adjusted in place, the efficiency is low during measurement, and the measurement precision is difficult to guarantee, so that the construction progress and the construction quality are difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a track simulation measuring platform, and solves the problems that the measurement difficulty of trackless construction is large, the measurement efficiency is low, the measurement precision is inaccurate, and the construction progress and the construction quality are difficult to guarantee.

The embodiment of the utility model provides a track simulation measuring platform, which comprises a first connecting rod, a second connecting rod and two supporting structures; the bottom surfaces of the two support structures are positioned at the same horizontal height, and each support structure comprises a lower support, a first steel pipe, a second steel pipe and an upper support; the first steel pipe is fixed at the top of the lower support, and the first steel pipe and the lower support are vertically arranged; one end of the first steel pipe, which is far away from the lower bracket, is sleeved with the second steel pipe; the upper support is fixed at one end of the second steel pipe, which is far away from the first steel pipe, and the second steel pipe and the upper support are vertically arranged; the first connecting rod is fixed between the two first steel pipes; and the second connecting rod is fixed between the two second steel pipes.

In a possible implementation manner, the track simulation measuring platform further comprises a first adjusting hole, a second adjusting hole and an adjusting piece; the first steel pipe is provided with the first adjusting hole, and the axis of the first adjusting hole is perpendicular to the axis of the first steel pipe; the second steel pipe is provided with at least two second adjusting holes, the at least two second adjusting holes are arranged at intervals along the axial direction of the second steel pipe, and the axis of each second adjusting hole is perpendicular to the axis of the second steel pipe; after the first adjusting hole and the second adjusting hole are aligned, the adjusting piece is inserted into the aligned first adjusting hole and the aligned second adjusting hole, so that the distance between the upper support and the lower support can be adjusted.

In one possible implementation, the rail simulation measuring platform further comprises a nut; the adjustment member comprises a bolt; and after the bolt is inserted into the aligned first adjusting hole and the aligned second adjusting hole, the threaded end of the bolt is screwed with the nut.

In a possible implementation manner, the track simulation measuring platform further comprises a portable handle; the portable handle is fixed on the second connecting rod.

In one possible implementation, the first connecting rod and the second connecting rod each comprise a steel tube.

In a possible implementation manner, the lower bracket and the first steel pipe are fixedly connected by welding.

In a possible implementation manner, the second steel pipe and the upper bracket are fixedly connected by welding.

The embodiment of the utility model provides an in the one or more technical scheme that provide, have following technological effect or advantage at least:

the embodiment of the utility model provides a track simulation measuring platform, which comprises a first connecting rod, a second connecting rod and two supporting structures; the bottom surfaces of the two supporting structures are located at the same horizontal height, and the supporting structures comprise lower supports, first steel pipes, second steel pipes and upper supports. A first steel pipe is fixed at the top of the lower support, and the first steel pipe and the lower support are vertically arranged. And one end of the first steel pipe, which is far away from the lower support, is sleeved with a second steel pipe. The one end that deviates from first steel pipe of second steel pipe is fixed with the upper bracket, and second steel pipe and upper bracket set up perpendicularly. A first connecting rod is fixed between the two first steel pipes. A second connecting rod is fixed between the two second steel pipes. In the actual construction process, the rail simulation measuring platform can simulate the erected steel rail, so that the steel rail can enter a construction site in advance to be measured under the condition that the steel rail is not laid. When a power supply system is required to be constructed, the lower support of the track simulation measuring platform is placed on the fastener plate, so that the center of the track simulation measuring platform is overlapped with the center of a subway line, and then the measuring instrument is placed on the upper support to carry out professional early-stage measurement of a contact net, a ring net and an evacuation platform, so that the measurement difficulty of trackless construction is greatly reduced, the measurement efficiency is improved, the measurement precision is also ensured, and the construction progress and the construction quality are ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a track simulation measurement platform provided in an embodiment of the present application;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an installation schematic diagram of a track simulation measurement platform provided in an embodiment of the present application.

Icon: 1-a first connecting rod; 2-a second connecting rod; 3-a support structure; 31-lower support; 32-a first steel tube; 321-a first adjustment aperture; 33-a second steel tube; 331-a second adjustment aperture; 34-upper support; 4-an adjusting part; 5-a nut; 6-portable handle; 7-ballast bed plate; 8-a rail bearing platform; 9-fastener plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description of the embodiments of the present invention and simplifying the description, but 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. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-2, the embodiment of the present invention provides a track simulation measuring platform, which includes a first connecting rod 1, a second connecting rod 2 and two supporting structures 3. The bottom surfaces of the two support structures 3 are located at the same level, and the support structures 3 include a lower bracket 31, a first steel pipe 32, a second steel pipe 33, and an upper bracket 34. The first steel pipe 32 is fixed on the top of the lower bracket 31, and the first steel pipe 32 and the lower bracket 31 are vertically arranged. In practical use, the lower bracket 31 is used to simulate the bottom dimension of the rail, and the width is 150mm. As shown in fig. 3, the lower bracket 31 is placed on the fastener plate 9, the fastener plate 9 is placed on the rail bearing table 8, and the rail bearing table 8 is placed on the track bed plate 7. Further, the lower bracket 31 includes a channel, and an end of the first steel pipe 32 is fixed in a groove of the channel.

With continued reference to fig. 1, a second steel tube 33 is sleeved on an end of the first steel tube 32 facing away from the lower bracket 31. An upper bracket 34 is fixed at one end of the second steel pipe 33, which is far away from the first steel pipe 32, and the second steel pipe 33 and the upper bracket 34 are vertically arranged. In practice, the upper brackets 34 are used to simulate the rail head, the inner distance between two upper brackets 34 is 1435mm, and the distance between the upper surface of the upper bracket 34 and the lower surface of the lower bracket 31 is used to simulate the height of the rail. Specifically, upper bracket 34 is used for placing laser measuring instrument to realize the horizontal trackless measurement of contact net and evacuation platform height measurement, upper bracket 34 also can be used for placing the scale and carry out looped netowrk cable support positioning measurement. Further, the upper bracket 34 includes a channel, and the end of the second steel pipe 33 is fixed in a groove of the channel.

As shown in fig. 3, a first connecting rod 1 is fixed between the two first steel pipes 32. A second connecting rod 2 is fixed between the two second steel pipes 33. Specifically, first connecting rod 1 and second connecting rod 2 not only play the effect of connecting two bearing structure 3, also can promote the holistic stability of track simulation measuring platform. In the actual construction process, the rail simulation measuring platform can simulate the erected steel rail, and the steel rail can enter a construction site in advance to be measured under the condition that the steel rail is not laid. When a power supply system is required to be constructed, the lower support frame 31 of the track simulation measurement platform is placed on the fastener plate 9, the measuring instrument is placed on the upper support frame 34, early-stage measurement of the contact net, the looped network and the evacuation platform is performed by simulating the height of the steel rail on the track bed plate 7, the measurement precision is high, the installation of contact net hardware fittings and construction nodes for laying looped network cables and laying of the evacuation platform can be advanced, the labor cost is saved, the construction period is greatly shortened, and the investment of construction pressure and labor cost is reduced.

The embodiment of the utility model provides a track analog measurement platform, this track analog measurement platform include head rod 1, second connecting rod 2 and two bearing structure 3. The bottom surfaces of the two support structures 3 are located at the same level, and the support structures 3 include a lower bracket 31, a first steel pipe 32, a second steel pipe 33, and an upper bracket 34. The first steel pipe 32 is fixed on the top of the lower bracket 31, and the first steel pipe 32 and the lower bracket 31 are vertically arranged. And one end of the first steel pipe 32, which is far away from the lower bracket 31, is sleeved with a second steel pipe 33. An upper bracket 34 is fixed at one end of the second steel pipe 33, which is far away from the first steel pipe 32, and the second steel pipe 33 and the upper bracket 34 are vertically arranged. A first connecting rod 1 is fixed between the two first steel pipes 32. The second connecting rod 2 is fixed between the two second steel pipes 33. In the actual construction process, the rail simulation measuring platform can simulate the erected steel rail, so that the steel rail can enter a construction site in advance to be measured under the condition that the steel rail is not laid. When a power supply system needs to be constructed, the lower support frame 31 of the track simulation measuring platform is placed on the fastener plate 9, so that the center of the track simulation measuring platform is overlapped with the center of a subway line, and then the measuring instrument is placed on the upper support frame 34 to carry out professional early-stage measurement of a contact net, a ring net and an evacuation platform, so that the measurement difficulty of trackless construction is greatly reduced, the measurement efficiency is improved, the measurement precision is also ensured, and the construction progress and the construction quality are ensured.

With continued reference to fig. 2, the orbit simulation measuring platform further comprises a first adjusting hole 321, a second adjusting hole 331 and an adjusting piece 4. The first steel pipe 32 is provided with a first adjusting hole 321, and the axis of the first adjusting hole 321 is perpendicular to the axis of the first steel pipe 32. The second steel pipe 33 is provided with at least two second adjusting holes 331, the at least two second adjusting holes 331 are arranged along the axial direction of the second steel pipe 33 at intervals, and the axial line of each second adjusting hole 331 is perpendicular to the axial line of the second steel pipe 33. When the first and second adjusting holes 321 and 331 are aligned, the adjusting member 4 is inserted into the aligned first and second adjusting holes 321 and 331 to adjust the distance between the upper and

lower brackets

34 and 31. In subway construction, the difference in height of the steel rails, that is, the difference in overall height of the track simulation measuring platform, that is, the difference in distance between the upper surface of the upper bracket 34 and the lower surface of the lower bracket 31, is caused by the difference in the type of the track bed plate 7. Specifically, when the height of this track simulation measuring platform needs to be adjusted, through sliding second steel pipe 33, align second regulation hole 331 and first regulation hole 321 with the last corresponding position of second steel pipe 33, then insert regulating part 4 in first regulation hole 321 and the second regulation hole 331 of aligning in order to fix, thereby realize the regulation of distance between the upper surface of upper bracket 34 and the lower surface of lower carriage 31, realize the regulation of track simulation measuring platform height promptly, whole accommodation process is simple and convenient, can satisfy the construction demand of different bed boards 7. In addition, when the height of the track simulation measuring platform cannot be adjusted to be consistent with the height of the steel rail by using the existing second adjusting holes 331 of the second steel pipe 33, temporary drilling can be performed on the second steel pipe 33 on site to ensure that the track simulation measuring platform is adjusted to the required height.

Continuing to refer to fig. 2, the rail simulation measuring platform further comprises a nut 5. The adjustment member 4 comprises a bolt. After the bolt is inserted into the aligned first and second adjustment holes 321 and 331, a nut 5 is screwed onto the threaded end of the bolt. Specifically, the adjustment of the distance between the upper bracket 34 and the lower bracket 31 is facilitated by the cooperation of the bolt and the nut 5, and the first steel pipe 32 and the second steel pipe 33 can be fastened to prevent the first steel pipe 32 and the second steel pipe 33 from being loosened.

With continued reference to fig. 1, the track simulator measurement platform further includes a portable handle 6. The portable handle 6 is fixed on the second connecting rod 2. In practical application, the staff realizes the removal of this track simulation measurement platform through portable handle 6, not only makes this track simulation measurement platform more laborsaving when removing, also makes this track simulation measurement platform easily carry.

In practical application, the first connecting rod 1 and the second connecting rod 2 both comprise steel pipes. Of course, the first connecting rod 1 and the second connecting rod 2 may be cylindrical rods or the like. Compared with the prior art, the steel pipe is lighter than the cylindrical rods with the same length and the same diameter under the condition of meeting the strength requirement, so that the material can be saved, the manufacturing cost of the track simulation measuring platform can be reduced, and the overall weight of the track simulation measuring platform can also be reduced, so that the track simulation measuring platform is convenient to move and carry.

Specifically, the lower bracket 31 and the first steel pipe 32 are fixedly connected by welding. Of course, the connection may be fixed by a screw connection or the like. In comparison, welding has the advantages of high reliability, good connection performance, convenience in operation and the like.

Further, the second steel pipe 33 and the upper bracket 34 are fixedly connected by welding. Of course, the connection may be fixed by a screw connection or the like. In comparison, welding has the advantages of high reliability, good connection performance, convenience in operation and the like.

The following is a specific use process of the track simulation measuring platform.

1. Measurement of installation position of ring network cable support

The lower support 31 of the track simulation measuring platform is placed on the fastener plate 9, so that the center of the track simulation measuring platform coincides with the center of a subway line, a track ruler is placed on the upper support 34, the first pre-buried channel of an interval tunnel portal is started, a measuring section is 5 meters, the position of the lower edge of the upper support 34 is marked, after marking of the lower edge of the upper support 34 is completed, an ink fountain is taken out, adjacent measuring points are connected for line snapping, and the line snapping path is a cable support installation reference line. And after the measurement of one interval is finished, rechecking the interval, and carrying out cable bracket installation work after rechecking is correct.

2. Measurement of mounting position of steel beam of evacuation platform

Firstly, the track simulation measurement platform is placed perpendicular to the center of a line, and as the track bearing platforms 8 of the track bed plate 7 are symmetrically arranged by taking the center line of the track bed plate 7 as the center line, when the lower support 31 of the track simulation measurement platform is placed on the fastener plate 9 above the track bearing platform 8, the center of the track simulation measurement platform is overlapped with the center of the line; then, horizontally placing a laser measuring instrument on the upper support 34 to start measuring, taking every two shield walls as a measuring point, determining the position of the steel beam of the evacuation platform on the shield walls by using the laser measuring instrument based on the height of the evacuation platform, marking by using a marker pen, measuring the length from the central line of the line to the steel beam point of the evacuation platform according to the laser measuring instrument, and determining the length of the steel beam at the position; after the position of the steel beam is marked, connecting adjacent measuring points by using an ink fountain to perform line snapping, wherein the line is a steel beam installation height datum line; and after the snapping line is finished, measuring at each steel beam mounting position by using a digital display inclinometer, and recording the angle of each steel beam. And after the measurement of one interval is finished, rechecking the interval, and carrying out steel beam installation work after rechecking is correct.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment is described with emphasis on the difference from the other embodiments.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims

1. A track simulation measuring platform is characterized by comprising a first connecting rod (1), a second connecting rod (2) and two supporting structures (3);

the bottom surfaces of the two support structures (3) are located at the same horizontal height, and each support structure (3) comprises a lower support (31), a first steel pipe (32), a second steel pipe (33) and an upper support (34);

the first steel pipe (32) is fixed to the top of the lower support (31), and the first steel pipe (32) and the lower support (31) are vertically arranged;

one end of the first steel pipe (32) departing from the lower bracket (31) is sleeved with the second steel pipe (33); one end of the second steel pipe (33) departing from the first steel pipe (32) is fixed with the upper bracket (34), and the second steel pipe (33) and the upper bracket (34) are vertically arranged;

the first connecting rod (1) is fixed between the two first steel pipes (32);

the second connecting rod (2) is fixed between the two second steel pipes (33).

2. The rail simulation measuring platform of claim 1, further comprising a first adjusting hole (321), a second adjusting hole (331) and an adjusting piece (4);

the first steel pipe (32) is provided with the first adjusting hole (321), and the axis of the first adjusting hole (321) is vertical to the axis of the first steel pipe (32);

the second steel pipe (33) is provided with at least two second adjusting holes (331), the at least two second adjusting holes (331) are arranged at intervals along the axial direction of the second steel pipe (33), and the axis of each second adjusting hole (331) is perpendicular to the axis of the second steel pipe (33);

when the first adjusting hole (321) and the second adjusting hole (331) are aligned, the adjusting piece (4) is inserted into the aligned first adjusting hole (321) and the aligned second adjusting hole (331) so as to adjust the distance between the upper bracket (34) and the lower bracket (31).

3. The rail simulation measuring platform of claim 2, further comprising a nut (5);

the adjusting piece (4) comprises a bolt;

after the bolt is inserted into the first adjusting hole (321) and the second adjusting hole (331) which are aligned, the threaded end of the bolt is screwed with the nut (5).

4. The rail simulation measuring platform of claim 1, further comprising a portable handle (6);

the portable handle (6) is fixed on the second connecting rod (2).

5. The rail simulation measuring platform according to claim 1, characterized in that the first connecting rod (1) and the second connecting rod (2) each comprise a steel tube.

6. The rail simulation measuring platform according to claim 1, wherein the lower bracket (31) and the first steel pipe (32) are fixedly connected by welding.

7. The rail simulation measuring platform according to claim 1 or 6, wherein the second steel pipe (33) and the upper bracket (34) are fixedly connected by welding.