CN211262125U - Device suitable for displacement test of full section of suspension type monorail track roof beam - Google Patents
Device suitable for displacement test of full section of suspension type monorail track roof beam Download PDFInfo
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- CN211262125U CN211262125U CN202020157083.6U CN202020157083U CN211262125U CN 211262125 U CN211262125 U CN 211262125U CN 202020157083 U CN202020157083 U CN 202020157083U CN 211262125 U CN211262125 U CN 211262125U
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- laser displacement
- displacement sensor
- roof beam
- vertical
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 103
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 239000000725 suspension Substances 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model discloses a device suitable for full section displacement test of suspension type single track roof beam, include two at least supports and install the laser displacement sensor on every support, the support is used for striding long direction interval along the track roof beam and sets up, and laser displacement sensor is used for setting up outside the equipment boundary limit, and laser displacement sensor includes horizontal laser displacement sensor and vertical laser displacement sensor, and horizontal laser displacement sensor is used for measuring the horizontal displacement of track roof beam, and vertical laser displacement sensor is used for measuring the vertical displacement of track roof beam. The utility model discloses a stride the long direction interval along the track roof beam and set up the support to set up horizontal laser displacement sensor and vertical laser displacement sensor respectively on every support, when the vehicle traveles through or the brake is berthhed in should striding the track roof beam, can obtain cross-section key point violently, vertical displacement to the disposable synchronous test of track roof beam total cross-section, the violence that obtains, vertical displacement precision is higher, satisfies the requirement of track roof beam displacement test.
Description
Technical Field
The utility model relates to a single track technical field of suspension type, especially a device suitable for single track roof beam full-section displacement test of suspension type.
Background
The suspended monorail traffic system is also called as 'air train', 'air rail traffic', 'air rail' and the like, vehicles are suspended below a rail beam supported by a stand column, the vehicles run along the running surface of a box-type rail beam with an opening at the lower part through a running device at the upper part of the vehicles, and guide wheels roll along the guide surface of the rail beam to realize running guide. Because the air rail subverts the mutual relation between the vehicles and the structure in the traditional rail transit, the structural form that the rail is arranged above and below the vehicles is formed, and the air rail can be vividly understood as an ultra-large cable car.
Compared with the traditional rail transit, the suspension type monorail transit has the remarkable characteristics that: because the structural surface of the track beam is a vehicle running surface and a guide surface, and the track beam is of a lower opening structure, the line shape in the single beam is difficult to adjust after the beam body is deformed, once the track beam is deformed greatly, potential safety hazards are brought to the running safety of a vehicle and the comfort of passengers, and the rigidity (deformation) of the track beam is a key element in design. On one hand, if the design values of controlling the structural rigidity, such as the beam height, the beam width, the thickness of a top bottom plate, the web thickness, the transverse stiffening rib spacing and the like, of the cross section of the suspended monorail track beam are not reasonable enough and are directly reflected in that the structural deformation value is too large, the design can be guided to be corrected; on the other hand, if the deformation value of the suspended monorail track beam structure is smaller, the structure size can be properly reduced, and the investment is saved.
Therefore, in order to master the deformation performance of the suspension type monorail system and provide basic data for scientific design, operation management, maintenance and repair of the suspension type monorail train and the rail beam bridge and formulation of relevant standards, on-site actual measurement is carried out on the suspension type monorail, and it is very important to accurately master the transverse and vertical displacement of the rail beam. Because the track beam opening box body is usually provided with equipment such as communication cables, power supply devices and the like, the space for installing a test instrument is small; when a vehicle runs, factors such as high-voltage electric shock danger and the like exist in a box body, and a device for displacement test of a suspended monorail track beam is not available at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: to the problems existing in the prior art, the device suitable for the full-section displacement test of the suspension type monorail track beam is provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a device suitable for full section displacement test of suspension type monorail track roof beam, includes two at least supports and installs every laser displacement sensor on the support, the support is used for striding long direction interval along the track roof beam and sets up, laser displacement sensor is used for setting up outside the equipment limit, laser displacement sensor includes horizontal laser displacement sensor and vertical laser displacement sensor, horizontal laser displacement sensor is used for measuring the horizontal displacement of track roof beam, vertical laser displacement sensor is used for measuring the vertical displacement of track roof beam.
The utility model discloses a set up the support along the track roof beam stride long direction interval, and set up horizontal laser displacement sensor and vertical laser displacement sensor respectively on every support, laser displacement sensor is because its measurement accuracy is high, stability is good, the interference killing feature is strong, the influence that does not float with the temperature and float when, non-contact measurement, small, light in weight, moreover, the steam generator is simple in structure, the simple convenient advantage of installation, when the vehicle goes at every turn through or the brake is berthhed in this track roof beam of striding, can get cross-section key point violently to the disposable synchronous test of track roof beam full-section, vertical displacement, the violence that obtains, vertical displacement precision is higher, satisfy the requirement of track roof beam displacement test.
As the utility model discloses a preferred scheme, the support strides the even interval setting of long direction along the track roof beam.
As the utility model discloses a preferred scheme, track roof beam quartering point position is the cross-section that has the test of representative displacement, and 1/4 stride the length department, 1/2 stride the length department, 3/4 stride the length department at the track roof beam is provided with respectively the support.
As the utility model discloses a preferred scheme, the support includes the stand the upper portion of stand is equipped with the cantilever bar, just the stand with be connected with the down tube between the cantilever bar, the stand the cantilever bar with the down tube forms triangle-shaped's stable structure, the down tube is used for further supporting the cantilever bar.
As the preferred scheme of the utility model, welded connection between stand, cantilever bar and the down tube. The supports are firmly connected, the structural rigidity is high, the deformation is small under the action of train load, natural wind, train wind, seismic force and the like, and the requirement of the rail beam displacement test is met.
As the utility model discloses an optimal scheme, the bottom of stand is equipped with stiffening rib and backing plate, stiffening rib along the lateral surface of stand evenly sets up, the backing plate sets up the bottom surface of stand, just the stand is connected with ground through rag bolt.
As the utility model discloses an optimal scheme, laser displacement sensor with the cantilever bar is detachable to be connected, is convenient for ann tears laser displacement sensor open.
As the preferred scheme of the utility model, laser displacement sensor with cantilever bar threaded connection.
As the utility model discloses a preferred scheme, including at least two horizontal laser displacement sensor, all horizontal laser displacement sensor along the horizontal symmetry of track roof beam sets up. Therefore, the deformation of the track beam under the action of the symmetrical load can be directly measured, and the deformation state of the track beam under the action of the unbalance load can also be measured.
As the utility model discloses a preferred scheme, including at least two vertical laser displacement sensor, all vertical laser displacement sensor along the horizontal symmetry of track roof beam sets up. Therefore, the deformation of the track beam under the action of the symmetrical load can be directly measured, and the deformation state of the track beam under the action of the unbalance load can also be measured.
As the utility model discloses a preferred scheme, laser displacement sensor (combine the deformation value and the economic nature principle of track roof beam under the most unfavorable load, choose for use under the pine HG-C series laser displacement ware) the measurement center distance sets up at 60mm ~ 400mm within range, and the displacement measurement scope is 200mm, and resolution ratio reaches 40 mu m.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a stride the long direction interval along the track roof beam and set up the support to set up horizontal laser displacement sensor and vertical laser displacement sensor respectively on every support, when the vehicle is gone at every turn and is berthhed in this track roof beam of striding through or the brake, testing arrangement can realize disposable dynamic measurement to the whole measurement stations in each control section of track roof beam, can guarantee the synchronism of all measurement station data in cross-section, is favorable to improving the precision of track roof beam deformability aassessment.
2. The support mainly comprises stand, cantilever bar and down tube, and wherein the cantilever bar is used for connecting laser displacement sensor, and the down tube is used for local reinforcing cantilever bar, and the stand plays the supporting role. The upright column, the cantilever rod and the diagonal rod are connected in a welding mode, and the upright column of the support is connected with the ground through foundation bolts. The supports are firmly connected, the structural rigidity is high, the deformation is small under the action of train load, natural wind, train wind, seismic force and the like, and the requirement of the rail beam displacement test is met.
3. The laser displacement sensors are transversely and symmetrically arranged along the box-shaped section of the track beam, so that the deformation of the track beam under the action of symmetrical load can be directly measured, and the deformation state of the track beam under the action of unbalance load can also be measured.
Drawings
Fig. 1 is a schematic structural diagram of a device suitable for full section displacement test of suspension type single track roof beam.
Figure 2 is a distribution diagram in track roof beam region of device suitable for suspension type single track roof beam full-section displacement test.
Fig. 3 is a schematic view of the connection between the support and the ground according to the present invention.
Icon: 1-bracket, 11-upright post, 12-diagonal rod, 13-cantilever rod, 14-stiffening rib, 15-backing plate, 16-foundation bolt, 2-laser displacement sensor, 21-transverse laser displacement sensor, 22-vertical laser displacement sensor, 3-track beam, 4-vehicle contour line, 5-vehicle limit, 6-equipment limit, 7-ground and 8-foundation.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1-3, the device suitable for the full-section displacement test of the suspended monorail track beam comprises at least two brackets 1 and a laser displacement sensor 2 arranged on each bracket 1.
The supports 1 are uniformly spaced along the span length direction of the track beam 3, in the embodiment, the supports 1 are respectively arranged at the 1/4 span length, the 1/2 span length and the 3/4 span length of the track beam 3, and the distance d between two adjacent supports 1 is 1/4 span length. The support 1 comprises a vertical column 11, a cantilever rod 13 is arranged at the upper part of the vertical column 11, and an inclined rod 12 is connected between the vertical column 11 and the cantilever rod 13. The upright post 11, the cantilever rod 13 and the diagonal rod 12 all adopt I-shaped steel sections, and the upright post, the cantilever rod 13 and the diagonal rod are connected by welding. The vertical column 11 is higher and is a main stressed component, the section size is larger, and the laser displacement sensor 2 is lighter, so that the cantilever rod 13 and the triangular inclined rod 12 are connected with each other
The cross-sectional dimension is small. The bottom of stand 11 is equipped with stiffening rib 14 and backing plate 15, stiffening rib 14 along the lateral surface of stand 11 evenly sets up, carries out local atress performance and strengthens, backing plate 15 sets up the bottom surface of stand 11, just stand 11 is connected with ground 7 through rag bolt 16, and is provided with basis 8 in the below of stand 11. The backing plate 15 is a steel plate, and the bottom of the foundation bolt 16 is welded with the steel plate.
A first steel plate is welded at the end part of the cantilever rod 13, holes are formed in four corners of the first steel plate, and the laser displacement sensor 2 is tightly connected with the first steel plate through a screw with a gasket M3.
Aiming at the special structural characteristics and the operation mode of a suspended monorail transit vehicle in urban rail transit, because the operation mode of the suspended monorail transit vehicle is obviously different from that of a traditional wheel-rail vehicle, the influence factors of vehicle and equipment limit are required to be considered in the displacement test of the rail beam 3. The support 1 and the laser displacement sensor 2 must be mounted outside the vehicle contour 4, the vehicle boundary 5 and the device boundary 6.
A set of laser displacement sensors 2 is respectively arranged at each support 1, each set of laser displacement sensors 2 comprises 6 transverse laser displacement sensors 21 and 2 vertical laser displacement sensors 22, the transverse laser displacement sensors 21 are used for measuring the transverse displacement of the track beam 3, and the vertical laser displacement sensors 22 are used for measuring the vertical displacement of the track beam 3. All the transverse laser displacement sensors 21 and the vertical laser displacement sensors 22 are arranged along the track beam 3 in a transverse symmetrical mode. The distance of the measuring center of the laser displacement sensor 2 is set within the range of 60 mm-400 mm, the displacement measuring range is +/-200 mm, and the resolution reaches 40 mu m. In addition, the laser displacement sensor 2 may also be configured with convenient functions including a zero setting function, a setting external input function, a setting display function, and the like.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a device suitable for test of suspension type monorail track roof beam full section displacement, its characterized in that includes two at least supports (1) and installs every laser displacement sensor (2) on support (1), support (1) are used for striding long direction interval along track roof beam (3) and set up, laser displacement sensor (2) are including horizontal laser displacement sensor (21) and vertical laser displacement sensor (22), horizontal laser displacement sensor (21) are used for measuring the horizontal displacement of track roof beam (3), vertical laser displacement sensor (22) are used for measuring the vertical displacement of track roof beam (3).
2. The device for the full-section displacement test of the suspended monorail track beam as defined in claim 1, wherein the brackets (1) are uniformly spaced along the length of the track beam (3).
3. The device suitable for the full-section displacement test of the suspended monorail track beam as defined in claim 2, wherein the brackets (1) are respectively arranged at 1/4, 1/2 and 3/4 spans of the track beam (3).
4. The device for testing the full-section displacement of the suspended monorail track beam as claimed in claim 2, wherein the bracket (1) comprises a vertical column (11), a cantilever rod (13) is arranged at the upper part of the vertical column (11), and an oblique rod (12) is connected between the vertical column (11) and the cantilever rod (13).
5. The device for testing the full-section displacement of the suspended monorail track beam as defined in claim 4, wherein the upright column (11), the cantilever rod (13) and the diagonal rod (12) are connected by welding.
6. The device suitable for the full-section displacement test of the suspended monorail track beam is characterized in that a stiffening rib (14) and a backing plate (15) are arranged at the bottom of the upright column (11), the stiffening rib (14) is uniformly arranged along the outer side surface of the upright column (11), the backing plate (15) is arranged at the bottom surface of the upright column (11), and the upright column (11) is connected with the ground (7) through a foundation bolt (16).
7. The device for testing the full-section displacement of the suspended monorail track beam as claimed in claim 4, wherein the laser displacement sensor (2) is detachably connected with the cantilever rod (13).
8. The device for the full-section displacement test of the suspended monorail track beam as defined in any one of claims 1-7, characterized by comprising at least two said transverse laser displacement sensors (21), all said transverse laser displacement sensors (21) being arranged transversely symmetrically along said track beam (3).
9. The device for the full-section displacement test of the suspended monorail track beam as defined in any one of claims 1-7, characterized by comprising at least two vertical laser displacement sensors (22), wherein all the vertical laser displacement sensors (22) are arranged transversely and symmetrically along the track beam (3).
10. The device for the full-section displacement test of the suspended monorail track beam as claimed in any one of claims 1-7, wherein the distance between the measuring centers of the laser displacement sensors (2) is set within the range of 60 mm-400 mm, the displacement measuring range is +/-200 mm, and the resolution is up to 40 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157083.6U CN211262125U (en) | 2020-02-07 | 2020-02-07 | Device suitable for displacement test of full section of suspension type monorail track roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157083.6U CN211262125U (en) | 2020-02-07 | 2020-02-07 | Device suitable for displacement test of full section of suspension type monorail track roof beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262125U true CN211262125U (en) | 2020-08-14 |
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ID=71961144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020157083.6U Expired - Fee Related CN211262125U (en) | 2020-02-07 | 2020-02-07 | Device suitable for displacement test of full section of suspension type monorail track roof beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211262125U (en) |
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2020
- 2020-02-07 CN CN202020157083.6U patent/CN211262125U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |