CN113638316A

CN113638316A - Large-span multichannel monorail transit track beam bridge

Info

Publication number: CN113638316A
Application number: CN202111042777.0A
Authority: CN
Inventors: 唐建松; 郑信江; 赵茜茜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2021-11-12

Abstract

The utility model relates to a large-span multichannel monorail transit track girder bridge, including the girder bridge body, be provided with crack detection subassembly on the girder bridge body, crack detection subassembly includes crack detection appearance and base, the base with the girder bridge body is slided and is connected, the crack detection appearance is located the base top, the crack detection appearance with the base activity links to each other, be provided with on the base and be used for the drive the vertical subassembly that slides that vertical direction removed is followed to crack appearance body, be provided with on the base and be used for the drive crack appearance body is along circumferential direction's runner assembly. The application can realize automatic detection of bridge cracks.

Description

Large-span multichannel monorail transit track beam bridge

Technical Field

The application relates to the technical field of monorail traffic, in particular to a large-span multi-channel monorail traffic track beam bridge.

Background

In single-rail traffic, a bridge is a bearing structure and is also a guide structure of a vehicle, most of rail beams of a rail beam bridge in the existing single-rail traffic are single-system rail traffic, and the adopted pier supporting structure adopts a simple support structure with a small span, and in the rail beams of the single-system rail traffic, only one single-rail traffic can pass through one rail beam bridge. In the double-system monorail transit structure proposed at present, the load of monorail transit is transmitted to the rail beam and then to the pier stud.

The monorail transit track beam bridge is used as an important building for train passing, and needs to be periodically detected, and defects such as cracks on the bridge are discovered in time, so that the driving safety is ensured.

Chinese patent with patent number CN207280382U discloses a bridge crack detection device and a bridge crack detection method, bridge crack detection device is including detecting camera, the locking cap, the footstock, the hydraulic stem, the pulley, the hydraulic pump, a pedestal, the spirit level, the adjusting bolt, balanced seat and image acquisition card, it installs on balanced seat to detect the camera, image acquisition card installs in the bottom of detecting the camera, and image acquisition card is connected with detecting the camera, install the spirit level at one side of detecting the camera, balanced seat installs on the footstock through the adjusting bolt in four corners, the adjusting bolt top is fixed in on balanced seat through the locking cap, the hydraulic stem is installed on the base, and hydraulic stem and hydraulic pump connection, the hydraulic stem top is connected with the footstock, the pulley sets up in the bottom four corners department of base.

In the above scheme, the detection angle of the camera cannot be adjusted, so that the camera can only shoot at a certain angle, and the shot bridge area is small, and more cracks cannot be detected.

Disclosure of Invention

In order to realize the automated inspection to the bridge crack, this application provides a large-span multichannel monorail transit track girder bridge.

The utility model provides a large-span multichannel single track traffic track girder bridge, includes the girder bridge body, be provided with crack detection subassembly on the girder bridge body, crack detection subassembly includes crack detection appearance and base, the base with the girder bridge body is slided and is connected, crack detection appearance is located the base top, crack detection appearance with the base activity links to each other, be provided with on the base and be used for the drive the vertical subassembly that slides that the vertical direction removed is followed to crack appearance body, be provided with on the base and be used for the drive crack appearance body is along circumferential direction's runner assembly.

Through adopting above-mentioned technical scheme, vertical subassembly that slides adjusts crack detector place high position, and the runner assembly is adjusted crack detector place horizontal direction's position, greatly increased crack detector's home range, realized the automated inspection to crack on the bridge body.

Preferably, the beam bridge body upper berth is equipped with two tracks that are parallel to each other, every be provided with a set of runner on the guide rail, every group the runner is provided with two, the runner block is in on the track, every two is in opposite directions link to each other through the axis of rotation between the runner, the runner with axis of rotation fixed connection, the base is located two the axis of rotation top, the axis of rotation with the base rotates and is connected.

Through adopting above-mentioned technical scheme, four runners and track looks blocks rotate on the track, have realized the base along girder bridge body length direction's removal, have realized the removal of crack detection appearance along girder bridge body length direction promptly, have made things convenient for the detection of crack detection appearance to each position on the girder bridge body.

Preferably, the vertical subassembly that slides includes first stand and second stand, first stand set up in the base top, the second stand slides and wears to establish in the first stand, the vertical subassembly that slides still includes the drive division, the drive division include fixed connection in rack on the second stand, the vertical setting of rack, it is connected with first gear to rotate on the first stand, first gear with the rack meshes mutually.

Through adopting above-mentioned technical scheme, first gear revolve provides drive power for sliding of second stand, and the rack meshes with first gear mutually, under the drive of first gear, has realized the second stand along the rising and the decline of vertical direction, has realized the regulation to crack detector vertical direction height.

Preferably, the vertical sliding assembly further comprises a guide part, the guide part comprises two parallel guide rails, the guide rails are parallel to the rack and fixedly connected with the second upright post, a sliding block is fixedly connected to the first upright post at a position corresponding to the guide rails, and the sliding block is connected with the guide rails in a sliding manner.

Through adopting above-mentioned technical scheme, guide rail and slider provide direction and spacing for sliding of second stand, make the second stand more stable at the in-process that goes up and down.

Preferably, be provided with the crossbeam on the second stand, the crossbeam with the second stand is mutually perpendicular, the one end of crossbeam with second stand fixed connection, the unsettled setting of the other end of crossbeam, be provided with the extension roof beam on the crossbeam, the one end of extension roof beam with the unsettled end of crossbeam is articulated mutually, fixedly connected with electric push rod on the crossbeam, the piston rod end of electric push rod with the extension roof beam is articulated mutually, the other end fixedly connected with mounting panel of extension roof beam, the crack detector with the mounting panel links to each other.

Through adopting above-mentioned technical scheme, through the flexible and withdrawal of electric push rod piston rod, realized extending beam around the rotation of pin joint, crack detector sets up the one end of keeping away from the pin joint at extending beam, has realized the fine setting to crack detector place high position.

Preferably, the rotating assembly comprises a gear ring, the gear ring is rotatably arranged above the base, a rotating disc is fixedly connected to the upper end of the gear ring, the first stand is fixedly connected with the rotating disc, a second gear is rotatably arranged above the base, and the second gear is meshed with the gear ring.

Through adopting above-mentioned technical scheme, the second gear rotates, provides drive power for the rotation of ring gear, and the ring gear is synchronous to be rotated under the drive of second gear, and the rotation that uses the ring gear axis as the center has been realized to the first stand that is located the rolling disc top, has realized the regulation to crack detector horizontal position through rotating.

Preferably, a bottom plate is arranged between the gear ring and the base, the gear ring is rotatably connected with the bottom plate, a mounting groove corresponding to the bottom plate is formed in the base, and the bottom plate is detachably arranged in the mounting groove.

Through adopting above-mentioned technical scheme, the bottom plate is arranged in the mounting groove, makes the connection between bottom plate and the base more stable, and the bottom plate can be dismantled with the base and be connected simultaneously, conveniently maintains the device, when needing to maintain the device, only needs to pull down the bottom plate from the base, wholly hang out the device and maintain can.

Preferably, be provided with spacing subassembly on the base, spacing subassembly includes spring and stopper, seted up on the lateral wall of mounting groove and held the chamber, the spring is located hold the intracavity, the one end of spring with the diapire that holds the chamber links to each other, the other end of spring with the stopper links to each other, when the spring is in the unstressed state, the one end of stopper extends hold the chamber, the stopper be used for with the up end of bottom plate is inconsistent.

Through adopting above-mentioned technical scheme, during the mounting plate, the bottom plate is inconsistent with the stopper, continues the downstream bottom plate, and the spring is compressed, and when the bottom plate fell to putting to the stopper below, the stopper outwards stretched out under the effect of spring, and is inconsistent with the up end of bottom plate, carries on spacingly to the bottom plate, has reduced the possibility that the bottom plate removed along vertical direction.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the vertical sliding assembly adjusts the height position of the crack detector, and the rotating assembly adjusts the position of the crack detector in the horizontal direction, so that the moving range of the crack detector is greatly increased, and the automatic detection of cracks on the bridge body is realized;

2. the first gear rotates to provide driving force for sliding of the second upright column, the rack is meshed with the first gear, and the second upright column is driven by the first gear to ascend and descend in the vertical direction, so that the height of the crack detector in the vertical direction is adjusted;

3. the second gear rotates, a driving force is provided for rotation of the gear ring, the gear ring synchronously rotates under driving of the second gear, the first stand column located above the rotating disc realizes rotation with the gear ring axis as the center, and horizontal position adjustment of the crack detector is realized through rotation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic diagram for embodying relevant structures on a bridge body;

fig. 3 is a schematic diagram for embodying a vertical glide assembly structure.

Fig. 4 is a schematic view for embodying the structure of the rotating assembly.

Fig. 5 is a schematic diagram for showing the connection relationship between the bottom plate and the base.

Fig. 6 is an enlarged schematic view at a in fig. 5.

Description of reference numerals: 1. a girder bridge body; 2. a crack detection assembly; 21. a base; 211. mounting grooves; 212. an accommodating chamber; 22. a crack detector; 3. a horizontal sliding component; 31. a track; 32. a rotating wheel; 33. a rotating shaft; 34. a first motor; 4. a vertical sliding component; 41. a first upright post; 42. a second upright post; 43. a rack; 44. a first gear; 45. a second motor; 46. a guide rail; 47. a slider; 5. a base plate; 6. a rotating assembly; 61. a ring gear; 62. a second gear; 63. rotating the disc; 64. a support; 65. a third motor; 7. a cross beam; 8. an extension beam; 9. an electric push rod; 10. mounting a plate; 11. a limiting component; 111. a spring; 112. a limiting block; 113. and (6) pulling the pin.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a large-span multichannel monorail transit track beam bridge.

Referring to fig. 1 and 2, a large-span multichannel monorail transit track girder bridge includes girder bridge body 1, be provided with crack detection subassembly 2 on the girder bridge body 1, crack detection subassembly 2 includes base 21 and crack detector 22, crack detector 22 is located the base 21 top, be provided with on the girder bridge body 1 and be used for driving base 21 along the horizontal subassembly 3 that slides of 1 length direction removal of girder bridge body, the base 21 top is provided with vertical subassembly 4 and the runner assembly 6 that slides, vertical subassembly 4 that slides is used for driving crack detector 22 and removes along vertical direction, runner assembly 6 is used for driving crack detector 22 along circumferential direction.

Referring to fig. 1 and 2, horizontal subassembly 3 that slides has realized that crack detector 22 carries out crack detection along the removal of 1 length direction of girder bridge body, conveniently carries out crack detection to each section length on the girder bridge body 1, and vertical subassembly 4 and the rotating assembly 6 that slides make crack detector 22's position control more nimble, has realized the automated inspection to crack on the girder bridge body 1.

Referring to fig. 2, the horizontal sliding assembly 3 includes two rails 31 that are parallel to each other, the length direction of the two rails 31 is the same as the length direction of the girder bridge body 1, the rails 31 are fixedly connected with the girder bridge body 1, each rail 31 is provided with two rotating wheels 32 in a rotating manner, the rotating wheels 32 are clamped on the rails 31, each two opposite rotating wheels 32 are connected through a rotating shaft 33, the rotating shafts 33 are coaxially and fixedly connected with the rotating wheels 32, the base 21 is located above the two rotating shafts 33 and is rotatably connected with the rotating shafts 33, the base 21 is fixedly connected with a first motor 34, and an output shaft of the first motor 34 is fixedly connected with one end of one of the rotating shafts 33. The first motor 34 is started to drive the rotating shaft 33 to rotate, and the four rotating wheels 32 are driven by the rotating shaft 33 to synchronously rotate, so that the base 21 moves along the length direction of the track 31.

Referring to fig. 2 and 3, the vertical sliding assembly 4 includes a first column 41 and a second column 42, the second column 42 slides and penetrates through the first column 41, one side of the second column 42 is provided with a beam 7, the beam 7 is perpendicular to the second column 42, one end of the first beam 7 is fixedly connected with the second column 42, the other end of the beam 7 is suspended, one side of the beam 7 away from the second column 42 is provided with an extension beam 8, one end of the extension beam 8 close to the beam 7 is hinged to the beam 7, one end of the extension beam 8 away from the beam 7 is fixedly connected with a mounting plate 10, and the crack detector 22 is fixedly connected with the mounting plate 10.

Referring to fig. 2 and 3, a vertically disposed rack 43 is fixedly connected to a side wall of the second column 42, a second motor 45 is fixedly connected to the first column 41, an output shaft of the second motor 45 is coaxially and fixedly connected with a first gear 44, the first gear 44 is engaged with the rack 43, two opposite side walls of the second column 42 are fixedly connected with guide rails 46, the two guide rails 46 are vertically disposed and parallel to each other, a sliding block 47 is fixedly connected to a position of the first column 41 corresponding to the guide rails 46, and the sliding block 47 is connected to the guide rails 46 in a sliding manner. The second motor 45 is started to drive the first gear 44 to rotate, and the second upright post 42 is lifted under the guiding and limiting effects of the slide block 47 and the guide rail 46, so that the height position of the crack detector 22 is adjusted.

Referring to fig. 2, crossbeam 7 upper end fixedly connected with electric push rod 9, electric push rod 9 and crossbeam 7 fixed connection, the piston rod level of electric push rod 9 and the piston rod end of electric push rod 9 set up towards extension roof beam 8, and the piston rod end of electric push rod 9 is articulated with extension roof beam 8. The electric push rod 9 is started, and the extension and retraction of the piston rod of the electric push rod 9 realize the rotation of the extension beam 8, so that the height position of the crack detector 22 can be finely adjusted.

Referring to fig. 2 and 4, the rotating assembly 6 is located between the base 21 and the first upright post 41, the base plate 5 is arranged in the base 21, the rotating assembly 6 includes a gear ring 61, the gear ring 61 is rotatably connected with the base plate 5, a rotating disc 63 is fixedly connected above the gear ring 61, the first upright post 41 is fixedly connected with the rotating disc 63, the gear ring 61, the rotating disc 63 and the vertical axis of the first upright post 41 are overlapped with each other, a third motor 65 is fixedly connected to the rotating disc 63 through a bracket 64, an output shaft of the third motor 65 is arranged downward, a second gear 62 is coaxially and fixedly connected to an output shaft of the third motor 65, and the gear ring 61 is meshed with the second gear 62.

Referring to fig. 2 and 4, the third motor 65 is started to drive the second gear 62 to rotate, and the gear ring 61 is driven by the second gear 62 to synchronously rotate, so that the crack detector 22 rotates along the vertical axis of the gear ring 61, and the detection range of the crack detector 22 is wider.

Referring to fig. 5, the base 21 is provided with a mounting groove 211 corresponding to the bottom plate 5, the depth of the mounting groove 211 is greater than the thickness of the bottom plate 5, and the bottom plate 5 is detachably embedded in the mounting groove 211.

Referring to fig. 5 and 6, be provided with spacing subassembly 11 on the lateral wall of mounting groove 211, spacing subassembly 11 includes spring 111 and stopper 112, stopper 112 is the wedge, seted up on the lateral wall of mounting groove 211 and held chamber 212, spring 111 is located and holds the chamber 212, the one end of spring 111 and the diapire fixed connection who holds chamber 212, the other end of spring 111 and stopper 112's one end fixed connection, when spring 111 is unstressed, the other end of stopper 112 extends to and holds outside the chamber 212, stopper 112 is inconsistent with the up end of bottom plate 5, spacing subassembly 11 still includes and draws round pin 113, the one end of drawing round pin 113 is located outside base 21, the other end of drawing round pin 113 extends to and holds in the chamber 212 and stopper 112 fixed connection, spring 111 cover is established on drawing round pin 113.

Referring to fig. 5 and 6, the mounting plate 10 is removably attached to the base 21 to facilitate removal of the device from the base 21 via the base plate 5 for maintenance and repair. When an operator assembles the mounting plate 10, the mounting plate 10 is placed downwards through the mounting groove 211, the mounting plate 10 abuts against the limiting block 112, the mounting plate 10 continues to move downwards, the spring 111 is compressed, when the mounting plate 10 moves below the limiting block 112, the limiting block 112 is ejected outwards under the action of the spring 111 and abuts against the upper end face of the bottom plate 5, the possibility that the bottom plate 5 displaces along the vertical direction is reduced, and the limitation on the bottom plate 5 is realized.

The implementation principle of the embodiment is as follows: and starting the second motor 45 to drive the second upright post 42 to slide along the vertical direction, adjusting the height position of the crack detector 22, and then starting the electric push rod 9 to rotate the extension beam 8 to finely adjust the height position of the crack detector 22. The third motor 65 is started to drive the rotating disc 63 to rotate, so that the horizontal position of the crack detector 22 is adjusted. After the position of the crack detector 22 is adjusted, the first motor 34 is started, and the crack detector 22 moves along the length direction of the bridge body 1, so that crack detection of different positions of the bridge body 1 in the length direction is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a large-span multichannel monorail transit track girder bridge which characterized in that: including girder bridge body (1), be provided with crack detection subassembly (2) on girder bridge body (1), crack detection subassembly (2) are including crack detection appearance (22) and base (21), base (21) with girder bridge body (1) is slided and is connected, crack detection appearance (22) are located base (21) top, crack detection appearance (22) with base (21) activity links to each other, be provided with on base (21) and be used for the drive vertical subassembly (4) that slides that crack detection appearance (22) body removed along vertical direction, be provided with on base (21) and be used for the drive crack detection appearance (22) body is along circumferential direction's runner assembly (6).

2. The large-span multi-channel single-track traffic rail beam bridge of claim 1, wherein: girder bridge body (1) upper berth is equipped with two tracks (31) that are parallel to each other, every be provided with a set of runner (32) on guide rail (46), every group runner (32) are provided with two, runner (32) block is in on track (31), every two is in opposite directions link to each other through axis of rotation (33) between runner (32), runner (32) with axis of rotation (33) fixed connection, base (21) are located two axis of rotation (33) top, axis of rotation (33) with base (21) rotate and connect.

3. The large-span multi-channel single-track traffic rail girder bridge according to claim 2, wherein: vertical subassembly (4) that slides includes first stand (41) and second stand (42), first stand (41) set up in base (21) top, second stand (42) slide and wear to establish in first stand (41), vertical subassembly (4) that slides still includes the drive division, the drive division includes fixed connection in rack (43) on second stand (42), rack (43) vertical setting, it is connected with first gear (44) to rotate on first stand (41), first gear (44) with rack (43) mesh mutually.

4. The large-span multi-channel single-track traffic rail beam bridge of claim 1, wherein: the vertical sliding assembly (4) further comprises a guide part, the guide part comprises two parallel guide rails (46), the guide rails (46) are parallel to the racks (43) and fixedly connected with the second upright post (42), the first upright post (41) corresponds to the guide rails (46), and a sliding block (47) is fixedly connected with the guide rails (46) in a sliding manner.

5. The large-span multi-channel single-rail traffic track girder bridge according to claim 4, wherein: be provided with crossbeam (7) on second stand (42), crossbeam (7) with second stand (42) is mutually perpendicular, the one end of crossbeam (7) with second stand (42) fixed connection, the unsettled setting of the other end of crossbeam (7), be provided with extension roof beam (8) on crossbeam (7), the one end of extension roof beam (8) with the unsettled end of crossbeam (7) is articulated mutually, fixedly connected with electric putter (9) on crossbeam (7), the piston rod end of electric putter (9) with extension roof beam (8) are articulated mutually, the other end fixedly connected with mounting panel (10) of extension roof beam (8), crack detection appearance (22) with mounting panel (10) link to each other.

6. The large-span multi-channel single-rail traffic track girder bridge according to claim 5, wherein: rotating assembly (6) includes ring gear (61), ring gear (61) rotate to set up base (21) top, ring gear (61) upper end fixedly connected with rolling disc (63), first stand (41) with rolling disc (63) fixed connection, base (21) top is rotated and is provided with second gear (62), second gear (62) with ring gear (61) meshes mutually.

7. The large-span multi-channel single-rail traffic track girder bridge of claim 6, wherein: ring gear (61) with be provided with between base (21) bottom plate (5), ring gear (61) with bottom plate (5) rotate to be connected, seted up on base (21) with corresponding mounting groove (211) of bottom plate (5), bottom plate (5) can dismantle set up in mounting groove (211).

8. The large-span multi-channel single-track traffic rail beam bridge of claim 7, wherein: be provided with spacing subassembly (11) on base (21), spacing subassembly (11) include spring (111) and stopper (112), seted up on the lateral wall of mounting groove (211) and held chamber (212), spring (111) are located hold chamber (212) in, the one end of spring (111) with the diapire that holds chamber (212) links to each other, the other end of spring (111) with stopper (112) link to each other, when spring (111) are in unstressed state, the one end of stopper (112) is extended hold chamber (212), stopper (112) be used for with the up end of bottom plate (5) is inconsistent.