Adjustable measuring frame for subway track construction

Abstract

The present application relates to a kind of adjustable measuring frame for subway track construction, it is characterized by including height balance measuring plate, track parallelism measuring plate, telescopic support and push-pull rod, the left and right ends of the telescopic support are connected with one track parallelism measuring plate, height balance measuring plate is arranged between two track parallelism measuring plates, first levelness measuring instrument is installed at the top of the height balance measuring plate, second levelness measuring instrument is installed at the top of two track parallelism measuring plates, track running wheel is installed at the bottom of the track parallelism measuring plate, mounting seat is fixed to the bottom of the telescopic support by connecting rod, spacing measuring mechanism is installed at the left and right ends of the mounting seat, running wheel is installed at the front end surface of the mounting seat, and the push-pull rod is movably connected at the rear end surface of the telescopic support.The design has the advantages of simple structure, easy to manufacture and practical and efficient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of subway track construction, in particular to an adjustable measuring frame for subway track construction. BACKGROUND

[0002] The subway is a form of urban public transport, usually refers to the underground operation of urban rail transit system, commonly known as the underground railway, measurement refers to the quantitative description of things, that is, to describe the observed phenomenon with data.

[0003] In the subway track construction, the measuring frame needs to be used, the existing measuring frame can only measure the flatness of the top of the track when moving on the track, cannot measure the height and spacing of the two tracks, has great limitations, needs to be measured by the operator through the measuring tool one by one and section by section, is very troublesome, and is easy to miss measurement and other problems, therefore, in order to solve the above problems, design a kind of adjustable measuring frame for subway track construction is particularly important. SUMMARY

[0004] The present application is designed to solve the above problems, an adjustable measuring frame for subway track construction, the spacing measuring mechanism can measure the spacing of the two tracks during walking, which increases the practicality.

[0005] To solve the above technical problems, the present application provides an adjustable measuring frame for subway track construction, characterized by comprising a height balance measuring plate, a track parallelism measuring plate, an extension support and a push-pull rod, the left and right ends of the extension support are respectively connected with one track parallelism measuring plate, the height balance measuring plate is arranged between the two track parallelism measuring plates, the first horizontal degree measuring instrument is installed on the top of the height balance measuring plate, the second horizontal degree measuring instrument is installed on the top of the two track parallelism measuring plates, the track walking wheel is installed on the bottom of the track parallelism measuring plate, the mounting seat is fixed on the bottom of the extension support through the connecting rod, the spacing measuring mechanism is installed on the left and right ends of the mounting seat, the walking wheel is installed on the front end face of the mounting seat, and the push-pull rod is movably connected to the rear end face of the extension support.

[0006] Further, the telescopic support comprises a main support and an extension support, the left and right ends of the main support are provided with guide grooves matched with the main support, the track parallelism measuring plate is fixedly connected with the extension support, the end of the extension support away from the track parallelism measuring plate extends into the guide groove, the top of the two ends of the main support is also provided with threaded holes, the threaded holes are communicated with the guide grooves and are connected with jacking bolts, the jacking bolts extend into the guide grooves through the threaded holes and are in contact with the extension support, one end of the extension support is locked in the guide groove through the jacking bolts, and the connecting rod is vertically fixed at the bottom of the main support.

[0007] Further, the top of the main support is fixedly provided with a total station mounting rack, the mounting seat is provided with a storage battery, a controller and a GPS system, the storage battery supplies power for the controller and the GPS system, and the controller is electrically connected with the distance measuring mechanism and the GPS system.

[0008] Further, the distance measuring mechanism comprises a first contact rod, a second contact rod, a first contact guide wheel, a second contact guide wheel, a first spring, a second spring, a first contact switch and a second contact switch, the left and right ends of the mounting seat are provided with two connecting holes, the two connecting holes are a first connecting hole and a second connecting hole, the first connecting hole is provided with a first mounting hole, the second connecting hole is provided with a second mounting hole, the first contact switch is connected in the first mounting hole through a third spring, the first contact rod is movably connected in the first connecting hole and is connected with the first connecting hole through the first spring, the first contact guide wheel is mounted on the end of the first contact rod extending out of the first connecting hole, the end of the first contact rod away from the first contact guide wheel is provided with a first protruding contact part, the first protruding contact part extends into the first mounting hole and is opposite to the first contact switch, the second contact switch is connected in the second mounting hole through a fourth spring, the second contact rod is movably connected in the second connecting hole and is connected with the second connecting hole through the second spring, the second contact guide wheel is mounted on the end of the second contact rod extending out of the second connecting hole, and the end of the second contact rod away from the second contact guide wheel is provided with a second protruding contact part, the second protruding contact part extends into the second mounting hole and is opposite to the second contact switch.

[0009] Further, the height balance measuring plate is connected with the track parallelism measuring plate through a telescopic rod assembly, the telescopic rod assembly is composed of a connecting cylinder and a guide rod, one end of the guide rod extends into the height balance measuring plate along the center hole of the connecting cylinder, a spring locking mechanism is arranged between the guide rod and the connecting cylinder, and the other end of the guide rod is connected with the track parallelism measuring plate through a universal mechanism.

[0010] Further: the universal mechanism comprises a ball joint and a spherical connecting groove opened in the track parallelism measuring plate, the track parallelism measuring plate is opened with a first lock hole matched with the connecting cylinder at one end towards the height balance measuring plate, the spherical connecting groove is communicated with the first lock hole, the guide rod passes through the first lock hole and is fixedly connected with the ball joint, and the ball joint is movably connected in the spherical connecting groove.

[0011] Further: the spring locking mechanism comprises grooves opened on the upper and lower sidewalls of the guide rod, second lock holes opened on the upper and lower outer walls of the connecting cylinder, lock columns and locking springs, the two grooves on the same side are arranged in a 'I' shape, the two grooves on the same end are matched with the second lock holes on the upper and lower outer walls of the connecting cylinder, the lock columns are connected in the grooves through the locking springs, and the lock columns pass through the second lock holes on the connecting cylinder under the action of the locking springs.

[0012] After the above structure is adopted, the interval measuring mechanism can measure the interval of the two tracks in the walking process, the first horizontal degree measuring instrument on the height balance measuring plate can complete the detection of the height of the upper surfaces of the two tracks, the practical performance is increased, the automatic detection is completed in the walking process, the conventional manual detection is replaced, the detection efficiency is greatly improved, the structure is simple, the manufacturing is easy, and the practical efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0013] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0014] Figure 1 It is a front view structure diagram of the application.

[0015] Figure 2 It is a top view structure diagram of the application.

[0016] Figure 3 It is a top view structure diagram of the telescopic rod assembly. DETAILED DESCRIPTION

[0017] As Figure 1 and Figure 2The adjustable measuring frame for subway track construction comprises a height balance measuring plate 1, track parallelism measuring plates 2, telescopic supports and a push-pull rod 16, the left and right ends of each telescopic support are connected with a track parallelism measuring plate, the height balance measuring plate is arranged between the two track parallelism measuring plates, a first levelness measuring instrument 9 is installed on the top of the height balance measuring plate, second levelness measuring instruments 8 are installed on the top of the two track parallelism measuring plates, track running wheels 4 are installed on the bottom of the track parallelism measuring plates, mounting seats 5 are fixed to the bottom of the telescopic supports through connecting rods, spacing measuring mechanisms are installed on the left and right ends of the mounting seats, a running wheel 11 is installed on the front end face of the mounting seat, and the push-pull rod is movably connected to the rear end face of the telescopic support. In operation, the two track parallelism measuring plates are made to advance along the two tracks through the track running wheels on the bottom, at this time, the second levelness measuring instruments on the track parallelism measuring plates are observed to determine whether the upper surface of the subway track is flat, when the upper surface of the subway track is determined to be flat, the first levelness measuring instrument on the height balance measuring plate is used to determine whether the upper surfaces of the two subway tracks are flush, and the spacing measuring mechanism can be used to measure whether the spacing between the two tracks is qualified during running. When not in use, the track parallelism measuring plates on the two sides are retracted to reduce the overall length of the measuring frame, and the push-pull rod and the running wheel can be used to move the overall measuring frame, thereby increasing the practical performance.

[0018] As shown in Figure 1 and Figure 2 The telescopic support comprises a main support 7 and an extension support 6, the left and right ends of the main support are provided with guide grooves matched with the main support, the track parallelism measuring plates are fixedly connected with the extension support, the end of the extension support away from the track parallelism measuring plates extends into the guide groove, the top of the two ends of the main support is also provided with threaded holes, the threaded holes are in communication with the guide grooves and are connected with jacking bolts 17, the jacking bolts extend into the guide grooves through the threaded holes and are in contact with the extension support, one end of the extension support is locked in the guide groove through the jacking bolts, and the connecting rod is vertically fixed to the bottom of the main support.

[0019] As shown in Figure 1 The top of the main support is fixed with a total station mounting bracket 10, the mounting seat is installed with a storage battery, a controller and a GPS system, the storage battery supplies power to the controller and the GPS system respectively, and the controller is electrically connected with the spacing measuring mechanism and the GPS system. During detection, once an unqualified position is found, the controller and the GPS system can send the specific unqualified position of the subway track to the construction personnel.

[0020] As shown in Figure 1 and Figure 2The distance measuring mechanism shown includes a first contact lever 12, a second contact lever 14, a first contact guide wheel 13, a second contact guide wheel 15, a first spring, a second spring, a first contact switch and a second contact switch, two connecting holes are formed at the left and right ends of the mounting seat respectively, the two connecting holes are a first connecting hole and a second connecting hole respectively, a first mounting hole is formed in the first connecting hole, a second mounting hole is formed in the second connecting hole, the first contact switch is connected in the first mounting hole through a third spring, the first contact lever is movably connected in the first connecting hole and connected with the first connecting hole through the first spring, the first contact guide wheel is installed on the end of the first contact lever extending out of the first connecting hole, a first protruding contact part is arranged on the end of the first contact lever away from the first contact guide wheel, the first protruding contact part extends into the first mounting hole and faces the first contact switch, the second contact switch is connected in the second mounting hole through a fourth spring, the second contact lever is movably connected in the second connecting hole and connected with the second connecting hole through the second spring, the second contact guide wheel is installed on the end of the second contact lever extending out of the second connecting hole, a second protruding contact part is arranged on the end of the second contact lever away from the second contact guide wheel, the second protruding contact part extends into the second mounting hole and faces the second contact switch. The first contact switch and the second contact switch are electrically connected with the controller, the initial distance between the two first contact guide wheels is greater than the initial distance between the two second contact guide wheels. When the first protruding contact part does not touch the first contact switch, it proves that the distance between the two tracks is too large, when the first protruding contact part touches the first contact switch and the second protruding contact part also touches the second contact switch, it proves that the distance between the two tracks is too small; only when the first protruding contact part touches the first contact switch and the second protruding contact part does not touch the second contact switch, it proves that the distance between the two tracks is qualified.

[0021] As Figure 1 The height balance measuring plate is connected with the track parallelism measuring plate through the telescopic rod assembly, the telescopic rod assembly is composed of a connecting cylinder 18 and a guide rod 19, one end of the guide rod extends into the height balance measuring plate along the center hole of the connecting cylinder, a spring locking mechanism is arranged between the guide rod and the connecting cylinder, the other end of the guide rod is connected with the track parallelism measuring plate through the universal mechanism.

[0022] The universal mechanism includes a ball joint and a spherical connecting groove formed in the track parallelism measuring plate, a first locking hole matched with the connecting cylinder is formed at the end of the track parallelism measuring plate facing the height balance measuring plate, the spherical connecting groove is in communication with the first locking hole, the guide rod passes through the first locking hole and is fixedly connected with the ball joint, and the ball joint is movably connected in the spherical connecting groove.

[0023] AsFigure 3 The spring locking mechanism shown includes grooves opened on the upper and lower side walls of the guide rod, second locking holes opened on the upper and lower outer walls of the connecting cylinder, a lock post 20 and a locking spring, two grooves on the same side are arranged in a "I" shape, two grooves on the same end are matched with the second locking holes on the upper and lower outer walls of the connecting cylinder, the lock post is connected in the groove through the locking spring, and the lock post passes through the second locking hole on the connecting cylinder under the action of the locking spring.

[0024] In summary, the interval measuring mechanism can measure the interval of the two tracks during walking, the first levelness measuring instrument on the height balance measuring plate can detect the height of the upper surfaces of the two tracks, the practical performance is improved, the detection is automatically completed during walking, the conventional manual detection is replaced, the detection efficiency is greatly improved, the structure is simple, the manufacturing is easy, and the practical efficiency is high.

[0025] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical solution belonging to the idea of the present application is within the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application should be considered as the protection scope of the present application.

Claims

1. An adjustable measuring frame for metro track construction, characterized in that: The utility model relates to a height balance measurement board (1), track parallelism measurement board (2), telescopic support and push -and -pull rod (16) are included, the left and right ends of telescopic support are connected with one track parallelism measurement board each, be provided with height balance measurement board between two track parallelism measurement board, the top of height balance measurement board is installed with first levelness measuring instrument (9), the top of two track parallelism measurement board is installed with second levelness measuring instrument (8), the bottom of track parallelism measurement board is installed with track running wheel (4), the bottom of telescopic support is fixed with mounting seat (5) through connecting rod, the left and right ends of mounting seat are installed with spacing measurement mechanism, the front end surface of mounting seat is installed with running wheel (11), the rear end surface of telescopic support is movably connected with push -and -pull rod, The telescopic support includes a main support (7) and an extension support (6), the left and right ends of the main support are provided with guide grooves matched with the main support, the track parallelism measurement board is fixedly connected with the extension support, one end of the extension support away from the track parallelism measurement board extends into the guide groove, the top of the two ends of the main support is also provided with a threaded hole, the threaded hole is in communication with the guide groove and a jacking bolt (17) is connected in the threaded hole, the jacking bolt extends into the guide groove through the threaded hole and contacts the extension support, one end of the extension support is locked in the guide groove through the jacking bolt, and the connecting rod is vertically fixed at the bottom of the main support. The top of the main support is fixed with a total station mounting rack (10), the mounting seat is provided with a storage battery, a controller and a GPS system, the storage battery supplies power to the controller and the GPS system respectively, and the controller is electrically connected with the spacing measurement mechanism and the GPS system respectively. The spacing measurement mechanism includes a first contact rod (12), a second contact rod (14), a first contact guide wheel (13), a second contact guide wheel (15), first and second springs, first and second contact switches, two connecting holes are formed in the left and right ends of the mounting seat, the two connecting holes are a first connecting hole and a second connecting hole respectively, a first mounting hole is formed in the first connecting hole, a second mounting hole is formed in the second connecting hole, the first contact switch is connected in the first mounting hole through a third spring, the first contact rod is movably connected in the first connecting hole and connected with the first connecting hole through the first spring, the first contact guide wheel is installed on one end of the first contact rod extending out of the first connecting hole, a first protruding contact part is arranged on one end of the first contact rod away from the first contact guide wheel, the first protruding contact part extends into the first mounting hole and faces the first contact switch, the second contact switch is connected in the second mounting hole through a fourth spring, the second contact rod is movably connected in the second connecting hole and connected with the second connecting hole through the second spring, the second contact guide wheel is installed on one end of the second contact rod extending out of the second connecting hole, a second protruding contact part is arranged on one end of the second contact rod away from the second contact guide wheel, and the second protruding contact part extends into the second mounting hole and faces the second contact switch.

2. The adjustable measuring frame for subway track construction of claim 1, wherein: The height balance measuring plate is connected with the track parallelism measuring plate through a telescopic rod assembly, the telescopic rod assembly is composed of a connecting cylinder (18) and a guide rod (19), two ends of the height balance measuring plate are respectively fixed with a connecting cylinder, one end of the guide rod extends into the height balance measuring plate along the central hole of the connecting cylinder, a spring locking mechanism is arranged between the guide rod and the connecting cylinder, the other end of the guide rod is connected with the track parallelism measuring plate through a universal mechanism.

3. The adjustable measuring frame for subway track construction of claim 2, wherein: The universal mechanism comprises a spherical joint and a spherical connecting groove opened in the track parallelism measuring plate, one end of the track parallelism measuring plate towards the height balance measuring plate is provided with a first lock hole matched with the connecting cylinder, the spherical connecting groove is communicated with the first lock hole, the guide rod passes through the first lock hole and is fixedly connected with the spherical joint, and the spherical joint is movably connected in the spherical connecting groove.

4. The adjustable measuring frame for subway track construction of claim 2, wherein: The spring locking mechanism comprises grooves opened on the upper and lower side walls of the two ends of the guide rod, second lock holes opened on the upper and lower outer walls of the connecting cylinder, a lock column (20) and locking springs, the two grooves on the same side are arranged in a "I" shape, the two grooves on the same end are matched with the second lock holes on the upper and lower outer walls of the connecting cylinder, the lock column is connected in the groove through the locking spring, and the lock column passes through the second lock hole on the connecting cylinder under the action of the locking spring.

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