CN217155307U

CN217155307U - Bridge beam line-shaped laser monitoring device

Info

Publication number: CN217155307U
Application number: CN202121883835.8U
Authority: CN
Inventors: 沈开阊; 韩寒
Original assignee: Nanjing Runchen Information Engineering Co ltd
Current assignee: Nanjing Runchen Information Engineering Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-08-09
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a linear laser monitoring devices of bridge beam relates to bridge monitoring devices field, causes the problem of inefficacy to the linear laser monitoring devices of current bridge beam because of the dust accumulation, now proposes following scheme, and it includes the shell, the cavity has been seted up in the shell, just the round hole has been seted up to the one end of shell, the round hole run through in the one end lateral wall of shell and communicate with the cavity, just install laser instrument, first pivot, second pivot, motor and protection film in the cavity, laser instrument is coaxial form with the round hole, just first pivot is located the one end both sides that the laser instrument is close to the round hole, first pivot is the symmetric distribution about the laser instrument, second pivot and motor all are located the one end that the round hole was kept away from to the laser instrument. The utility model discloses novel structure, and the device simple structure, maintain convenient and reliable and stable, the effectual bridge beam line shape laser monitoring equipment of having solved causes the problem of inefficacy because of the dust accumulation.

Description

Bridge beam line-shaped laser monitoring device

Technical Field

The utility model relates to a bridge monitoring devices field especially relates to a bridge beam line shape laser monitoring devices.

Background

The bridge line shape of the bridge can be understood as an integral curve of the bridge, the ancient bridge has a small span, and only people, livestock or carriage vehicles pass through the bridge, the modern bridge, such as a river-crossing bridge, a sea-crossing bridge and the like, is mainly used for traffic, the straight flat large road design is not a good design for the bridge line shape, the modern bridge, particularly a large bridge, needs to consider the visual fatigue and the visual error of a driver in the bridge line shape of the bridge, the moderate curve design is more suitable for traffic than the straight flat large road design, and therefore the bridge line shape monitoring is particularly important, and whether the original bridge line shape design meets the design standard after the bridge is naturally settled and displaced can be found through monitoring.

The existing bridge beam linear effective monitoring means is that laser positioning is adopted, and the deviation change of a laser signal is recorded, so that the specific change value of the bridge beam linear is obtained, however, a laser device exposed outside for a long time suffers from dust accumulation, so that the detection precision is reduced, even faults are caused, and therefore, the bridge beam linear laser monitoring device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of bridge beam line shape laser monitoring device has solved bridge beam line shape laser monitoring equipment and has caused the problem of inefficacy because of the dust accumulation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bridge linear laser monitoring device comprises an outer shell, wherein a cavity is formed in the outer shell, a round hole is formed in one end of the outer shell, the round hole penetrates through the side wall of one end of the outer shell and is communicated with the cavity, a laser, a first rotating shaft, a second rotating shaft, a motor and a protective film are installed in the cavity, the laser and the round hole are coaxial, the first rotating shaft is located on two sides of one end, close to the round hole, of the laser, the first rotating shaft is symmetrically distributed relative to the laser, the second rotating shaft and the motor are located on one end, far away from the round hole, of the laser, the bottom end of the motor is fixedly connected with the outer shell, output shafts of the first rotating shaft, the second rotating shaft and the motor are vertical, a scroll is fixedly connected to the top end of the output shaft of the motor, the scroll, the protective film is wound on the second rotating shaft and the two sets of first rotating shafts, and a clamping plate is installed at one end, far away from the scroll, the extension spring is installed in the matching between splint and the shell, the brush board is all installed to the both sides inner wall of shell, just the brush hair is all installed to the one side that the brush board is close to each other.

Preferably, the fixed plate is installed to the bottom of shell, just the fixed orifices has all been seted up at the both ends of fixed plate, the both ends of fixed orifices and fixed plate all are the symmetric distribution about the shell, just the fixed orifices all runs through in the fixed plate.

Preferably, the bottom of laser instrument matches and installs the support, just the bottom and the shell of support are fixed connection.

Preferably, the top ends and the bottom ends of the first rotating shaft and the second rotating shaft are hinged to the shell, and the reel is coaxial with an output shaft of the motor.

Preferably, the widths of the brush plate and the protective film are matched, and the brush plate and the protective film are parallel to each other.

The utility model has the advantages that:

1. the device drives the scroll to rotate and wind the protective film through the motor, so that the protective film positioned at the round hole is pulled to the motor, meanwhile, the protective film pulls the tension spring to store elastic potential energy, the protective film is pulled back to a zero position under the reset action of the tension spring after the motor stops rotating, and in the process of pulling back, the protective film passes through the brush plate and the brush bristles twice to erase dust on the outer side surface of the protective film, thereby achieving the purpose of self-cleaning.

2. The length of the protective film of the device can still cover the area of the round hole when the tension spring is stretched to the limit, so that the self-cleaning process does not interfere with the normal work of the laser.

In conclusion, the device has the advantages of simple structure, convenience in maintenance, stability and reliability, and effectively solves the problem that the bridge linear laser monitoring equipment fails due to dust accumulation.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view of a-a in fig. 1 according to the present invention.

Fig. 3 is a cross-sectional view of B-B in fig. 1 according to the present invention.

Reference numbers in the figures: 1. a housing; 2. a fixing plate; 3. a fixing hole; 4. a cavity; 5. a circular hole; 6. a support; 7. a laser; 8. a first rotating shaft; 9. a second rotating shaft; 10. a motor; 11. a reel; 12. a protective film; 13. brushing the board; 14. brushing; 15. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a bridge beam linear laser monitoring device comprises a housing 1, wherein a cavity 4 is formed in the housing 1, a round hole 5 is formed at one end of the housing 1, the round hole 5 penetrates through a side wall at one end of the housing 1 and is communicated with the cavity 4, a laser 7, a first rotating shaft 8, a second rotating shaft 9, a motor 10 and a protective film 12 are installed in the cavity 4, the laser 7 and the round hole 5 are coaxial, the first rotating shaft 8 is located at two sides of one end of the laser 7 close to the round hole 5, the first rotating shaft 8 is symmetrically distributed relative to the laser 7, the second rotating shaft 9 and the motor 10 are both located at one end of the laser 7 far away from the round hole 5, the bottom end of the motor 10 is fixedly connected with the housing 1, output shafts of the first rotating shaft 8, the second rotating shaft 9 and the motor 10 are all vertical, and a reel 11 is fixedly connected to the top end of the output shaft of the motor 10, the reel 11, the second rotating shaft 9 and the two groups of first rotating shafts 8 are all in winding connection with a protective film 12, one end, far away from the reel 11, of the protective film 12 is provided with a clamping plate, tension springs 15 are installed between the clamping plate and the shell 1 in a matching mode, the inner walls of the two sides of the shell 1 are provided with brush plates 13, brush hairs 14 are installed on one sides, close to each other, of the brush plates 13, a fixing plate 2 is installed at the bottom end of the shell 1, fixing holes 3 are formed in the two ends of the fixing plate 2, the two ends of the fixing holes 3 and the two ends of the fixing plate 2 are symmetrically distributed relative to the shell 1, the fixing holes 3 penetrate through the fixing plate 2, a support 6 is installed at the bottom end of the laser 7 in a matching mode, the bottom end of the support 6 is fixedly connected with the shell 1, the top end and the bottom end of the first rotating shaft 8 and the second rotating shaft 9 are hinged with the shell 1, the reel 11 is coaxial with an output shaft of the motor 10, the widths of the brush plate 13 and the protective film 12 are matched, and the brush plate 13 and the protective film 12 are parallel to each other.

The working principle is as follows: the device has a protective film 12 made of a transparent plastic film with certain elasticity, laser emitted by a laser 7 passes through the protective film 12 and a circular hole 5, the dust-proof process of the device is that when dust accumulated on the protective film 12 in front of the laser 7 is large and the dust accumulation degree does not interfere with the laser 7, a motor 10 is started regularly or manually, a reel 11 is driven to rotate by the motor 10, the reel 11 winds the protective film 12 by rotating, so that the protective film 12 positioned at the circular hole 5 is pulled to the motor 10, the moving track of the protective film 12 is maintained by a first rotating shaft 8 and a second rotating shaft 9, meanwhile, the drawn protective film 12 pulls a tension spring 15 to store elastic potential energy, when the tension spring 15 reaches the limit of a pulling rope, the rotation resistance of the motor 10 is increased, the working current of the motor is also increased, when the working current in the motor 10 reaches a set value, the power supply of the motor 10 is cut off, at this time, under the reset action of the tension spring 15, the protective film 12 is pulled back to the zero position, in the process of pulling back, the protective film 12 passes through the brush plate 13 and the bristles 14 twice to erase dust on the outer side surface of the protective film, so that the purpose of self-cleaning is achieved, and the length of the protective film 12 can still cover the area of the circular hole 5 when the tension spring 15 is stretched to the limit, so that the normal work of the laser 7 is not interfered in the self-cleaning process.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The bridge linear laser monitoring device comprises a shell (1) and is characterized in that a cavity (4) is formed in the shell (1), a round hole (5) is formed in one end of the shell (1), the round hole (5) penetrates through one end side wall of the shell (1) and is communicated with the cavity (4), a laser (7), a first rotating shaft (8), a second rotating shaft (9), a motor (10) and a protective film (12) are installed in the cavity (4), the laser (7) and the round hole (5) are coaxial, the first rotating shaft (8) is located on two sides of one end, close to the round hole (5), of the laser (7), the first rotating shaft (8) is symmetrically distributed relative to the laser (7), the second rotating shaft (9) and the motor (10) are located at one end, far away from the round hole (5), of the laser (7), and the bottom end of the motor (10) is fixedly connected with the shell (1), the output shaft of first pivot (8), second pivot (9) and motor (10) all is vertical form, just the output shaft top fixedly connected with spool (11) of motor (10), just spool (11), second pivot (9) and two sets of first pivot (8) all around-joint have protection film (12), just protection film (12) are kept away from the one end of spool (11) and are installed splint, match between splint and shell (1) and install extension spring (15), brush board (13) are all installed to the both sides inner wall of shell (1), just brush hair (14) are all installed to one side that brush board (13) are close to each other.

2. The bridge beam linear laser monitoring device according to claim 1, wherein a fixing plate (2) is installed at the bottom end of the housing (1), fixing holes (3) are formed in two ends of the fixing plate (2), the two ends of the fixing hole (3) and the two ends of the fixing plate (2) are symmetrically distributed about the housing (1), and the fixing holes (3) penetrate through the fixing plate (2).

3. The linear laser monitoring device for the bridge beam according to claim 1, wherein a support (6) is installed at the bottom end of the laser (7) in a matching manner, and the bottom end of the support (6) is fixedly connected with the housing (1).

4. The bridge linear laser monitoring device according to claim 1, wherein the top end and the bottom end of the first rotating shaft (8) and the second rotating shaft (9) are hinged to the housing (1), and the reel (11) is coaxial with the output shaft of the motor (10).

5. The bridge beam linear laser monitoring device according to claim 1, wherein the widths of the brush plate (13) and the protective film (12) are matched, and the brush plate (13) and the protective film (12) are parallel to each other.