CN209975283U - Subway rigid contact net trackless construction checking device - Google Patents
Subway rigid contact net trackless construction checking device Download PDFInfo
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- CN209975283U CN209975283U CN201920576907.0U CN201920576907U CN209975283U CN 209975283 U CN209975283 U CN 209975283U CN 201920576907 U CN201920576907 U CN 201920576907U CN 209975283 U CN209975283 U CN 209975283U
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Abstract
The utility model provides a trackless construction checking device for rigid contact network of subway, belonging to the technical field of subway construction devices, comprising a track simulation unit for simulating rails to be installed on sleepers at two sides, a connecting rod for connecting two track simulation units and an ultrahigh adjusting platform; the rail simulation unit is the same as the steel rail to be installed and comprises a bottom supporting plate, a top plate and a connecting plate, wherein the bottom supporting plate is used for being placed in a rail bearing groove of the sleeper; two ends of the connecting rod are respectively connected with the two connecting plates; the ultrahigh adjusting platform comprises a platform supporting plate positioned outside the sleeper, a screw rod arranged on the platform supporting plate, an adjusting plate penetrating through the screw rod and adjusting nuts sleeved on the screw rod and positioned on two sides of the adjusting plate. The checking device is matched with a laser measuring instrument for use, and the technical problem that construction precision checking cannot be carried out before track adjustment is completed in the trackless construction process of the rigid contact network of the subway can be effectively solved.
Description
Technical Field
The utility model belongs to the technical field of subway construction equipment, specifically disclose a device is checked in trackless construction of subway rigidity contact net.
Background
The subway is a huge system engineering, the construction of the subway has many majors, the construction interference of each major is large, the construction space is narrow, the construction period of the subway is required to be continuously shortened along with the rapid development of the subway construction, the construction of the rigid contact net of the subway is generally carried out on the basis of rail forming according to the conventional construction process flow, transverse and longitudinal measurement is carried out by taking a formed rail as a measurement basis, and the suspension positioning point of the rigid contact net is determined according to the measurement result. The prepositive conditions of more than ten specialties such as subway electromechanical equipment and the like are that the track is through, so once the track is through, the construction of the rigid contact net is inevitably interfered with other construction specialties in a cross way due to more construction specialties, the construction efficiency of the rigid contact net is low, and the construction period is long. In order to solve the problem, a rigid contact network trackless construction method for the subway is developed at the same time, the position of a suspension positioning point and the clearance height can be determined before track laying, but in construction, the situation that construction precision check cannot be carried out before track adjustment is completed is found, and rework is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a subway rigidity contact net trackless construction checking device uses with the laser measuring instrument cooperation, can solve the trackless work progress of subway rigidity contact net effectively, can't carry out the technical problem that the precision of construction checked before the track adjustment is accomplished.
In order to achieve the purpose, the utility model provides a trackless construction checking device for rigid contact networks of subway, which comprises a track simulation unit for simulating rails to be installed on sleepers on two sides, a connecting rod for connecting the two track simulation units and an ultrahigh adjusting platform; the rail simulation unit is the same as the steel rail to be installed and comprises a bottom supporting plate, a top plate and a connecting plate, wherein the bottom supporting plate is used for being placed in a rail bearing groove of the sleeper; two ends of the connecting rod are respectively connected with the two connecting plates; the ultrahigh adjusting platform comprises a platform supporting plate positioned outside the sleeper, a screw rod arranged on the platform supporting plate, an adjusting plate penetrating through the screw rod and adjusting nuts sleeved on the screw rod and positioned on two sides of the adjusting plate.
Further, the bottom support plate and the connecting plate are provided with through holes.
Further, the bottom supporting plate and the connecting plate as well as the top plate and the connecting plate are connected through countersunk bolts; the connecting plate is provided with a plug hole for the connecting rod to pass through.
Further, the number of the bottom support plates in each orbit simulation unit is two or three.
The utility model has the advantages that:
at a straight line section, bottom supporting plates of two track simulation units are placed in a rail bearing groove of a sleeper, a connecting rod is installed to complete connection of the two track simulation units, a cross beam of a laser measuring instrument is placed on top plates of the two track simulation units, an ultrahigh value is checked at a measuring interface of the laser measuring instrument, when the ultrahigh value is zero, the accuracy of a suspension positioning point determined through trackless construction of a subway rigid contact network can be checked, and whether parameters such as a limit of a suspension point, a rail surface elevation and a pull-out value adjustable range meet requirements of high-precision construction or not can be known. At the curve section, due to the fact that the outer rail is ultrahigh, the rail simulation unit connected at the straight line section needs to be placed on an adjusting plate of the ultrahigh adjusting platform, the adjusting nut is rotated to adjust the position of the adjusting plate on a screw rod, the ultrahigh value on the rail paving diagram is adjusted by combining a laser measuring instrument, and then the ultrahigh value is checked on a measuring interface of the laser measuring instrument. By last, the utility model provides a subway rigidity contact net trackless construction check device uses with the laser measuring instrument cooperation, checks the degree of accuracy and the precision (for example whether the anchor point is accurate) of subway rigidity contact net trackless construction before the track adjustment is accomplished, can discover the mistake in advance and in time correct, can avoid doing over again basically, has improved efficiency of construction and precision, and simple structure, can assemble at the job site, and the equipment is convenient.
Drawings
Fig. 1 is a schematic structural view of a trackless construction checking device for a rigid contact network of a subway provided by an embodiment of the utility model;
FIG. 2 is a front view of a track simulator unit and a link in the checking apparatus shown in FIG. 1;
FIG. 3 is a top view of the track simulator unit and linkage shown in FIG. 2;
FIG. 4 is a side view of the track simulator unit and linkage shown in FIG. 2;
fig. 5 is a front view of the ultra-high adjustment platform in the checking apparatus shown in fig. 1.
In the figure: 1-a connecting rod; 2-a bottom support plate; 3-a top plate; 4-connecting plates; 5-a platform support plate; 6-screw rod; 7-adjusting plate; 8-adjusting the nut; 9-plug hole.
Detailed Description
Example 1
The embodiment provides a trackless construction checking device for a rigid contact network of a subway, which comprises a track simulation unit, a connecting rod 1 and an ultrahigh adjusting platform, wherein the track simulation unit is used for simulating steel rails to be installed on sleepers on two sides; the rail simulation unit is the same as the rail to be installed and comprises a bottom support plate 2 which is used for being placed in a rail bearing groove of the sleeper, a top plate 3 which is arranged opposite to the bottom support plate 2 and a connecting plate 4 which is used for connecting the bottom support plate 2 and the top plate 3; two ends of the connecting rod 1 are respectively connected with the two connecting plates 4; the ultrahigh adjusting platform comprises a platform supporting plate 5 positioned outside the sleeper, a screw 6 arranged on the platform supporting plate 5, an adjusting plate 7 penetrating through the screw 6 and adjusting nuts 8 sleeved on the screw 6 and positioned on two sides of the adjusting plate 7. The width data of the bottom supporting plate 2, the width data of the top plate 3 and the sum of the height data of the bottom supporting plate 2, the top plate 3 and the connecting plate 4 are adhered to the data of the steel rail adopted by the track laying unit.
At a straight line section, bottom supporting plates 2 of two track simulation units are placed in a rail bearing groove of a sleeper, a connecting rod 1 is installed to complete connection of the two track simulation units, a beam of a laser measuring instrument is placed on top plates 3 of the two track simulation units, an ultrahigh value is checked on a measuring interface of the laser measuring instrument, when the ultrahigh value is zero, the accuracy of a suspension positioning point determined through rigid contact net trackless construction of a subway can be checked, and whether parameters such as a limit of a suspension point, a rail surface elevation and a pull-out value adjustable range meet requirements of high-precision construction or not can be known. At the curve section, because the outer rail is ultrahigh, the rail simulation unit connected at the straight section needs to be placed on an adjusting plate 7 of an ultrahigh adjusting platform, the position of the adjusting plate 7 on a screw 6 is adjusted by rotating an adjusting nut 8, the ultrahigh value on a rail laying diagram is adjusted by combining a laser measuring instrument, and then the ultrahigh value is checked on a measuring interface of the laser measuring instrument.
Further, the bottom support plate 2 and the connection plate 4 are provided with through holes to reduce the weight of the rail simulation unit.
In the embodiment, preferably, the bottom support plate 2 and the connecting plate 4, and the top plate 3 and the connecting plate 4 are connected by countersunk bolts instead of welding, so that the surface of the track simulation unit is ensured to have no protruding deformation; the connecting plate 4 is provided with a plug-in hole 9 for the connecting rod 1 to pass through, so that the two track simulation units can be conveniently connected.
Further, the number of bottom backup pads 2 in every track analog unit is two or three to avoid track analog unit to rock, guarantee track analog unit's stability, improve laser measuring instrument measuring accuracy. At the straight sections, two bottom support plates 2 may be provided; at the curved section, three bottom support plates 2 are preferably provided in order to ensure the measurement accuracy.
Example 2
In this embodiment, taking an integral track bed and a steel rail in a field line engineering of a new Beijing rail transit machine as an example, the specific number of the track simulation unit in the calibration device for the trackless construction of the rigid subway catenary is provided in embodiment 1, the distance between two adjacent rail bearing grooves of the integral track bed in the field line engineering of the new Beijing rail transit machine is 300mm, the steel rail adopted by a rail laying unit is a 60kg/m rail, and the sectional dimension thereof is as follows: the height of the steel rail is 176mm, the width of the lower bottom surface of the steel rail is 150mm, and the width of the traveling surface of the steel rail is 73 mm. According to the above values, the width of the bottom support plate 2 is 150mm, the width of the top plate 3 is 73mm, and the height of the connecting plate 4 is 176 mm. The whole using process comprises the following steps:
1. assembly of rail simulation unit
Arranging the three bottom supporting plates 2 at intervals of 300mm, placing the connecting plate 4 in the middle of the bottom supporting plates 2, fixing the connecting plate with countersunk bolts, fixing the top plate 3 on the connecting plate 4, and checking the assembly flatness by using a horizontal ruler after the assembly is finished;
2. placement and connection of rail simulation units
The three bottom supporting plates 2 of the track simulation unit are respectively clamped into three adjacent rail bearing grooves of the whole track bed, the two track simulation units are placed in parallel, the two track simulation units are connected through a connecting rod 1, and the connecting length is 1435 mm; at the curve section, because the outer rail is ultrahigh, the connected rail simulation unit needs to be placed on an adjusting plate 7 of an ultrahigh adjusting platform, the position of the adjusting plate 7 on a screw 6 is adjusted by rotating an adjusting nut 8, the ultrahigh value on a rail laying diagram is adjusted by combining a laser measuring instrument, and then the next operation is carried out;
3. adjusting measurement operations
The laser measuring instrument is placed on the track simulation unit, the ultrahigh value is checked on a measuring interface of the laser measuring instrument, when the ultrahigh value is zero, the accuracy of a suspension point constructed through trackless measurement can be checked, and whether parameters such as a limit, a rail surface elevation and a pull-out value adjustable range of the suspension point meet the requirements of high-precision construction or not can be known.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.
Claims (4)
1. A trackless construction checking device for a rigid contact network of a subway is characterized by comprising a track simulation unit, a connecting rod and an ultrahigh adjusting platform, wherein the track simulation unit is used for simulating steel rails to be installed on sleepers on two sides;
the rail simulation unit is the same as the steel rail to be installed and comprises a bottom supporting plate, a top plate and a connecting plate, wherein the bottom supporting plate is used for being placed in a rail bearing groove of the sleeper;
two ends of the connecting rod are respectively connected with the two connecting plates;
the ultrahigh adjusting platform comprises a platform supporting plate positioned outside the sleeper, a screw rod arranged on the platform supporting plate, an adjusting plate penetrating through the screw rod and adjusting nuts sleeved on the screw rod and positioned on two sides of the adjusting plate.
2. The trackless construction checking device for the subway rigid contact network according to claim 1, wherein the bottom support plate and the connecting plate are provided with through holes.
3. The trackless construction checking device for the subway rigid contact network according to claim 2, wherein the bottom supporting plate and the connecting plate, and the top plate and the connecting plate are connected through countersunk bolts;
and the connecting plate is provided with a plug hole for the connecting rod to pass through.
4. The trackless construction checking device for the subway rigid contact line system as claimed in claim 1, wherein the number of the bottom support plates in each track simulation unit is two or three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920576907.0U CN209975283U (en) | 2019-04-25 | 2019-04-25 | Subway rigid contact net trackless construction checking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920576907.0U CN209975283U (en) | 2019-04-25 | 2019-04-25 | Subway rigid contact net trackless construction checking device |
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| CN209975283U true CN209975283U (en) | 2020-01-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013777A (en) * | 2020-09-25 | 2020-12-01 | 中建五局安装工程有限公司 | Subway rigid contact net trackless construction checking device |
| CN112444230A (en) * | 2020-11-17 | 2021-03-05 | 中铁十二局集团电气化工程有限公司 | Rigid contact net tunnel suspension post bottom plate angle trackless measuring method |
-
2019
- 2019-04-25 CN CN201920576907.0U patent/CN209975283U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013777A (en) * | 2020-09-25 | 2020-12-01 | 中建五局安装工程有限公司 | Subway rigid contact net trackless construction checking device |
| CN112444230A (en) * | 2020-11-17 | 2021-03-05 | 中铁十二局集团电气化工程有限公司 | Rigid contact net tunnel suspension post bottom plate angle trackless measuring method |
| CN112444230B (en) * | 2020-11-17 | 2022-02-15 | 中铁十二局集团电气化工程有限公司 | Rigid contact net tunnel suspension post bottom plate angle trackless measuring method |
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