CN214173255U - Bridge beam supports warp measuring device - Google Patents
Bridge beam supports warp measuring device Download PDFInfo
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- CN214173255U CN214173255U CN202120577508.3U CN202120577508U CN214173255U CN 214173255 U CN214173255 U CN 214173255U CN 202120577508 U CN202120577508 U CN 202120577508U CN 214173255 U CN214173255 U CN 214173255U
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- 238000005259 measurement Methods 0.000 claims abstract description 9
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- 229910000831 Steel Inorganic materials 0.000 description 4
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- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005336 cracking Methods 0.000 description 1
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Abstract
The invention provides a bridge bearing deformation measuring device which comprises a detector and a base for mounting the detector, wherein a plurality of laser emitting heads are uniformly arranged at intervals at the emitting end of the detector; a transverse level is horizontally arranged at the top end of the detector, and a longitudinal level perpendicular to the transverse level is arranged at the bottom of the transmitting end in the vertical direction; the base comprises a bearing platform, a bearing ball and a bottom plate from top to bottom in sequence, the bearing platform is rectangular, four edges at the bottom end of the bearing platform are chamfered, so that four side faces of the bearing platform close to the bottom are inclined faces, the detector is fixed on the bearing platform, and the bearing platform can form a spherical hinge structure on the bottom plate; the supporting piece is arranged on the periphery of the bottom plate close to the bearing platform and comprises a stud, a thread sleeve, a fastening piece and a locking bolt, and the bearing platform is supported by the thread sleeve. The utility model discloses simple structure carries convenient to use, can carry out remote contactless measurement, strong adaptability, the precision is high.
Description
Technical Field
The invention relates to bridge detection equipment, in particular to a bridge support deformation measuring device.
Background
From the view of the quantity, scale and construction speed of bridges, China has become the country with the most bridge projects, the most complex and the fastest development in the world, and according to the practical conditions at home and abroad, due to the influences of geological conditions, topographic conditions, climatic conditions and various factors in the processes of design, construction and operation, the bridge can be damaged in various degrees after being built and used for a long time, particularly the problems of the hollowing and deformation cracking of rubber supports of simply supported hollow plates and T-beam bridges.
Based on the background, the method is very important for realizing accurate measurement of the deformation of the bridge support in the processes of detecting, maintaining, reinforcing, designing and constructing the bridge. At present, no special measuring instrument for support deformation exists in China, all distance measuring instruments such as a steel box ruler are adopted, and due to the fact that the space of a support under a bridge is limited, most of devices such as the steel box ruler cannot be close to the measuring instrument, and the measuring result is rough.
Disclosure of Invention
The invention aims to solve the problems that the bridge support deformation measuring device is provided aiming at the defects in the prior art, and the problems that the bridge support is inconvenient to detect and the measuring result is rough in the prior art are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bridge support deformation measuring device comprises a detector and a base for mounting the detector, wherein a plurality of laser emitting heads are uniformly arranged at intervals in the vertical direction of the emitting end of the detector, and laser beams emitted by the laser emitting heads are parallel to each other; a transverse level is horizontally arranged at the top end of the detector, and a longitudinal level perpendicular to the transverse level is arranged at the bottom of the transmitting end in the vertical direction; the front surface of the detector is also provided with a display screen;
the base comprises a bearing platform, a bearing ball and a bottom plate from top to bottom in sequence, the bearing platform is rectangular, four edges at the bottom end of the bearing platform are chamfered so that four side faces of the bearing platform close to the bottom are inclined faces, the detector is fixed on the bearing platform, a spherical groove matched with the bearing ball is formed in the center of the bottom face of the bearing platform, the bearing ball is fixedly connected to the upper surface of the bottom plate, and the part of the bearing ball, which is exposed out of the upper surface of the bottom plate, is sunk into the groove, so that the bearing platform can form a spherical hinge structure on the bottom plate;
the support piece comprises a stud, a thread sleeve piece, a fastening piece and a locking bolt, wherein the stud is vertically fixed on the upper surface of the bottom plate, the thread sleeve piece is sleeved on the stud in a threaded manner, the thread sleeve piece comprises an annular support ring at the top end and a hand wheel at the bottom end, the support ring and the hand wheel are coaxially arranged with the stud, and when the hand wheel is rotated, the whole thread sleeve piece moves in the vertical direction and can be contacted with the inclined surface at the bottom of the bearing platform to support the bearing platform; the fastening piece is in an inverted L shape, the vertical section of the fastening piece is inserted into the vertical sliding hole in the top end face of the stud in a sliding fit mode, the horizontal section of the fastening piece can be in contact with the edge of the upper surface of the bearing platform, and the locking bolt vertically penetrates through the unthreaded hole in the horizontal section and then is screwed into the threaded blind hole in the top end face of the stud so as to press the horizontal section on the upper surface of the bearing platform to fix the bearing platform.
Compared with the prior art, the invention has the following beneficial effects: the device is used for laser remote non-contact measurement, solves the problems of accurate measurement of support deformation and size in a narrow space of an operation bridge, and provides data support for evaluation, maintenance and replacement of support diseases. Meanwhile, the device is small and exquisite and convenient to carry, and solves the problems of low speed, low precision and the like caused by the fact that a steel tape, a steel ruler and the like cannot reach and can only be estimated remotely.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the detector;
FIG. 3 is a left side view of a detector provided at a laser emitting head;
FIG. 4 is a view showing the structure of the supporting member and the supporting platform;
FIG. 5 is a schematic diagram of the detection principle of the detector;
FIG. 6 is a front view of another configuration of a detector;
FIG. 7 is a right side view of an alternative configuration of the detector.
The device comprises a detector 1, a transverse level 2, a longitudinal level 3, a display screen 4, a bearing platform 5, a receiving ball 6, a bottom plate 7, a stud 8, a hand wheel 9, a thread sleeve 10, a support ring 11, a strip-shaped groove 12, a fastening piece 13, a spring 14 and a locking bolt 15.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:
as shown in FIGS. 1-2, the invention provides a bridge bearing deformation measuring device, which mainly comprises a detector 1 and a base for mounting the detector 1, wherein a plurality of laser emission heads are uniformly arranged at intervals in the vertical direction of the emission end of the detector 1, and laser beams emitted by the laser emission heads are parallel to each other to form a light curtain for detection. Still be equipped with horizontal surveyor's level 2 horizontally on the top of detector 1 to whether the level is gone up to detect this device, the ascending bottom in the vertical direction of transmitting end is equipped with horizontal surveyor's level 2 vertically vertical surveyor's level 3, whether to detect this device vertically keep steadily not have the slope, thereby realize that this device puts the board in the space and just do not have the slope, improve and detect the precision. And a display screen 4 is arranged on the front surface of the detector 1, as shown in fig. 5, so as to display the curve contour of the detected support after deformation.
Specifically, the base in this embodiment sequentially includes a bearing platform 5, a receiving ball 6, and a bottom plate 7 from top to bottom, the bearing platform 5 is rectangular, four edges of the bottom of the bearing platform are chamfered to make four sides of the bearing platform 5 near the bottom be inclined planes, the detector 1 is fixed on the bearing platform 5, a spherical groove matched with the receiving ball 6 is formed in the center of the bottom surface of the bearing platform 5, the receiving ball 6 is fixedly connected to the upper surface of the bottom plate 7, and the portion of the receiving ball 6 exposed out of the upper surface of the bottom plate 7 is sunk into the groove, so that the bearing platform 5 can form a spherical hinge structure on the bottom plate 7, and can flexibly rotate and adjust at any angle to facilitate leveling. Meanwhile, in order to better realize leveling, a support piece is further respectively arranged at the periphery of the bottom plate 7 by the bearing platform 5, as shown in fig. 4, the support piece comprises a stud 8, a thread sleeve 10, a fastening piece 13 and a locking bolt 15, wherein the stud 8 is vertically fixed on the upper surface of the bottom plate 7, the thread sleeve 10 is sleeved on the stud 8 in a threaded manner, the thread sleeve 10 comprises an annular support ring 11 at the top end and a hand wheel 9 at the bottom end, the support ring 11 and the hand wheel 9 are coaxially arranged with the stud 8, and when the hand wheel 9 is rotated, the thread sleeve 10 integrally moves in the vertical direction and can be in contact with the inclined surface at the bottom of the bearing platform 5 to support the bearing platform 5. Furthermore, the fastening piece 13 is in an inverted L shape, the vertical section of the fastening piece is inserted into the vertical sliding hole on the top end face of the stud 8 in a sliding fit manner, the horizontal section of the fastening piece can be in contact with the edge of the upper surface of the bearing platform 5, the locking bolt 15 vertically penetrates through the unthreaded hole on the horizontal section and then is screwed into the threaded blind hole on the top end face of the stud 8, so that the horizontal section is pressed on the upper surface of the bearing platform 5 to realize the fixation of the bearing platform 5, and therefore when two leveling instruments reach respective horizontal positions and it is determined that the detector 1 reaches a leveling position, the final installation and fixation are realized. For the vertical sliding hole and the threaded blind hole, the vertical sliding hole and the threaded blind hole are respectively positioned at two sides of the center of the stud 8 during manufacturing.
When the laser level is used specifically, if the bubble in the corresponding level is not in the center, the four supporting pieces on the four sides can be adjusted, that is, the screw thread sleeve 10 is rotated to realize the up-and-down movement of the supporting rings 11, so as to change the height positions of the four supporting rings 11, and further realize the supporting and positioning of the bearing platform 5, so that the leveling and positioning of the detector 1 are realized, the laser beam is well irradiated around the support, parameters such as the deformation gradient of the support and the like are obtained as shown in fig. 5, and the technology for detecting the profile of a specific object by the laser is well applied, so that the specific profile detection and forming principle is not explained here.
In this embodiment, in addition to directly arranging the longitudinal level 3 in the thickness direction of the detection, the length of the longitudinal level 3 may be increased as shown in fig. 6 to 7, and the longitudinal level 3 is arranged perpendicular to the front surface of the detector 1, so that the longer longitudinal level 3 is advantageous to observe the offset of the bubble, and is advantageous to intuitively adjust the position of the detector 1. And preferably, the cross section of the support ring 11 is circular, so that the support ring 11 is in point contact with the inclined surface, the friction is small during adjustment, and the precision is higher.
As shown in fig. 4, a spring 14 is coaxially connected to a lower end surface of a nut of the lock bolt 15, a flat pad fitted over the lock bolt 15 is connected to a lower end of the spring 14, and both the spring 14 and the flat pad are axially movable on the lock bolt 15. Therefore, when the locking bolt 15 is screwed out, the fastening piece 13 moves together, so that the installation and management are convenient, and meanwhile, certain buffer damping capacity is generated, and the rigid vibration is prevented from being directly transmitted to the detector 1 on the bearing platform 5 under the unexpected condition.
Finally, as an important implementation detail, a strip-shaped groove 12 is provided on the surface of the locking bolt 15 along the vertical direction, and a plurality of scale marks are provided on the bottom of the groove 12 along the length direction thereof. When the leveling device is used, the difference of the supporting heights of the supporting pieces to the bearing platform 5 can be known by observing the scale values corresponding to the supporting rings 11, and the leveling device is favorable for leveling more intuitively.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. The utility model provides a bridge beam supports warp measuring device which characterized in that: the device comprises a detector and a base for mounting the detector, wherein a plurality of laser emitting heads are uniformly arranged at intervals in the vertical direction of an emitting end of the detector, and laser beams emitted by the laser emitting heads are parallel to each other; a transverse level is horizontally arranged at the top end of the detector, and a longitudinal level perpendicular to the transverse level is arranged at the bottom of the transmitting end in the vertical direction; the front surface of the detector is also provided with a display screen;
the base comprises a bearing platform, a bearing ball and a bottom plate from top to bottom in sequence, the bearing platform is rectangular, four edges at the bottom end of the bearing platform are chamfered so that four side faces of the bearing platform close to the bottom are inclined faces, the detector is fixed on the bearing platform, a spherical groove matched with the bearing ball is formed in the center of the bottom face of the bearing platform, the bearing ball is fixedly connected to the upper surface of the bottom plate, and the part of the bearing ball, which is exposed out of the upper surface of the bottom plate, is sunk into the groove, so that the bearing platform can form a spherical hinge structure on the bottom plate;
the support piece comprises a stud, a thread sleeve piece, a fastening piece and a locking bolt, wherein the stud is vertically fixed on the upper surface of the bottom plate, the thread sleeve piece is sleeved on the stud in a threaded manner, the thread sleeve piece comprises an annular support ring at the top end and a hand wheel at the bottom end, the support ring and the hand wheel are coaxially arranged with the stud, and when the hand wheel is rotated, the whole thread sleeve piece moves in the vertical direction and can be contacted with the inclined surface at the bottom of the bearing platform to support the bearing platform; the fastening piece is in an inverted L shape, the vertical section of the fastening piece is inserted into the vertical sliding hole in the top end face of the stud in a sliding fit mode, the horizontal section of the fastening piece can be in contact with the edge of the upper surface of the bearing platform, and the locking bolt vertically penetrates through the unthreaded hole in the horizontal section and then is screwed into the threaded blind hole in the top end face of the stud so as to press the horizontal section on the upper surface of the bearing platform to fix the bearing platform.
2. The bridge bearer deformation measurement device of claim 1, wherein: the longitudinal level is disposed perpendicular to the front face of the detector.
3. The bridge bearer deformation measurement device of claim 1, wherein: the cross section of the support ring is circular.
4. The bridge bearer deformation measurement device of claim 1, wherein: the vertical sliding hole and the threaded blind hole are respectively positioned at two sides of the center of the stud.
5. The bridge bearer deformation measurement device of claim 1, wherein: the lower end face of a nut of the locking bolt is coaxially connected with a spring, the bottom end of the spring is connected with a flat pad sleeved on the locking bolt, and the spring and the flat pad can axially move on the locking bolt.
6. The bridge bearer deformation measurement device according to any one of claims 1 to 5, wherein: a strip-shaped groove is formed in the surface of the locking bolt along the vertical direction, and a plurality of scale marks are formed in the groove bottom of the strip-shaped groove along the length direction of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577508.3U CN214173255U (en) | 2021-03-22 | 2021-03-22 | Bridge beam supports warp measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577508.3U CN214173255U (en) | 2021-03-22 | 2021-03-22 | Bridge beam supports warp measuring device |
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| CN214173255U true CN214173255U (en) | 2021-09-10 |
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| CN202120577508.3U Active CN214173255U (en) | 2021-03-22 | 2021-03-22 | Bridge beam supports warp measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119934188A (en) * | 2025-04-08 | 2025-05-06 | 苏州盛拓半导体科技有限公司 | A composite shock absorber with positive and negative stiffness |
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2021
- 2021-03-22 CN CN202120577508.3U patent/CN214173255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119934188A (en) * | 2025-04-08 | 2025-05-06 | 苏州盛拓半导体科技有限公司 | A composite shock absorber with positive and negative stiffness |
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