CN114543683A

CN114543683A - Infrared-based roadbed cavity size measuring device

Info

Publication number: CN114543683A
Application number: CN202210182743.XA
Authority: CN
Inventors: 滕天嫦; 张富生
Original assignee: Jingya New Internet Technology Shenzhen Co ltd
Current assignee: Jingya New Internet Technology Shenzhen Co ltd
Priority date: 2022-02-26
Filing date: 2022-02-26
Publication date: 2022-05-27

Abstract

The invention relates to the technical field of roadbed cavities and discloses an infrared-based roadbed cavity size measuring device which comprises a roadbed and a cavity. This road bed cavity size measuring device based on infrared ray, it forms the perforation with the perpendicular drilling in road surface through adopting drilling on road bed and cavity, this perforation diameter is greater than hydraulic stem one and chain diameter and is less than the length of placing the board, it will guarantee to pass to perforate and will guarantee again to place the board and can not drop from the perforation, then can measure hollow size through the infrared ray that sends through the infrared emitter that sets up, can give the controller with the data transfer who detects like this through wireless transmission, the controller is the host computer, the staff can start measurement structure at a distance, data processing through the controller can be with data display on the display screen, the effect of being convenient for to measure has been played, prevent the road surface secondary from collapsing, lead to personnel to fall into in the cavity, cause serious accident.

Description

Infrared-based roadbed cavity size measuring device

Technical Field

The invention relates to the technical field of roadbed cavities, in particular to a roadbed cavity size measuring device based on infrared rays.

Background

The roadbed cavity is a common road disaster in cities, and two reasons are approximately generated, namely, in a soluble rock area, the cavity appears on the roadbed due to the development of an underground karst cave; secondly, municipal rainwater or sewage pipelines crossing roads are broken, rainwater or sewage overflows the pipelines, and soil around the pipelines is washed, so that cavities appear around the pipelines. If the roadbed cavity is not found out in time, when the roadbed cavity is developed to a certain degree in a large scale, collapse easily occurs under the action of vehicle load on the upper portion of the road surface, vehicles and personnel fall into the cavity, and serious accidents are caused.

The existing measuring tools all need workers to measure on the spot, secondary collapse easily occurs, the workers fall into a cavity, serious accidents are caused, and the existing measuring device is troublesome, so that the problem is solved by providing a roadbed cavity size measuring device based on infrared rays.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a roadbed cavity size measuring device based on infrared rays, which has the advantages of no injury to workers, convenience in measurement and the like, and solves the problems that due to secondary collapse of a road surface, the workers fall into a cavity, serious accidents are caused, and the measurement is inconvenient.

The technical scheme adopted by the invention for solving the technical problems is as follows: a roadbed cavity size measuring device based on infrared rays comprises a roadbed and cavities, wherein the cavities are formed in the roadbed, perforations communicated with the cavities are formed in the roadbed, a placing structure is arranged at the top of the roadbed, and an infrared ray measuring structure is arranged on the upper surface of the roadbed, close to the top of the placing structure;

the placing structure comprises a placing plate, the bottom of the placing plate is movably connected to the upper surface of the roadbed, a first through hole is formed in the placing plate, a second through hole is formed in the placing plate, and a viewing port is formed in the front side, close to the second through hole, of the inside of the placing plate.

Further, the infrared ray measurement structure includes fixed frame, the bottom fixed connection of fixed frame is at the top of placing the board, the inside fixed mounting of fixed frame has electric hydraulic cylinder one, electric hydraulic cylinder one's inside swing joint has hydraulic stem one, the scale mark has been seted up to hydraulic stem one's front side outer wall, hydraulic stem one's bottom right side outer wall is provided with pop-up structure, hydraulic stem one's bottom right side outer wall is provided with auxiliary structure near the below of pop-up structure, hydraulic stem one's bottom right side outer wall is provided with ejecting structure, the inside of fixed frame is provided with rotating-structure.

Further, pop-up structure includes the mount pad, one side fixed connection of mount pad is at the bottom right side outer wall of hydraulic stem one, first rectangular channel has been seted up to the inside of mount pad, the sliding tray has been seted up to one side that the inside of mount pad is close to first rectangular channel, the inner wall fixedly connected with spring of first rectangular channel, the left end fixedly connected with movable block of spring, the both sides outer wall fixedly connected with sliding block of movable block, the movable groove has been seted up to the left end inside of movable block, the inside fixedly connected with fixed axle in movable groove, the outer wall swing joint of fixed axle has the runner.

Further, the auxiliary structure comprises a groove, the groove is formed in the first hydraulic rod, a third through hole is formed in the first hydraulic rod close to the left side of the groove, the interior of the third through hole is movably connected with a second hydraulic rod, the left end of the second hydraulic rod is movably connected with the interior of the second electric hydraulic cylinder, the right end of the second hydraulic rod is fixedly connected with a fixed block, a second rectangular groove is formed in the fixed block, a third electric hydraulic cylinder is fixedly installed in the second rectangular groove, a first pin shaft is fixedly connected to the outer wall of the top of the output end of the third electric hydraulic cylinder, a pin seat is movably connected to the outer wall of the first pin shaft, a second pin shaft is movably connected to the interior of the top end of the pin seat, one side of the second pin shaft is fixedly connected to the outer wall of the left end of the movable rod, and a third pin shaft is fixedly connected to the outer wall of the middle of the movable rod, the third pin shaft is movably connected to the inner portion of the top end of the fixed block, the right end of the movable rod is fixedly connected with a first clamping block, the outer wall of the right end of the fixed block is fixedly connected with a fixed rod, and the right end of the fixed rod is fixedly connected with a second clamping block.

Further, the ejecting structure includes the cavity, the inside at hydraulic stem one is seted up to the cavity, the inside of hydraulic stem one is close to the right side of cavity and has seted up the fourth through-hole, the inside of hydraulic stem one is close to the left side of cavity and has seted up the rotation hole, the inside fixed mounting in rotation hole has the bearing, the inside rotation of bearing is connected with the pivot, the first motor of left end outer wall fixedly connected with of pivot, the chute has been seted up to the outer wall of pivot, the outer wall swing joint of pivot has the movable frame, the movable hole has been seted up to the left end inside of movable frame, the inside fixedly connected with fixed column of movable frame, the right-hand member fixedly connected with connecting plate of movable frame.

Further, revolution mechanic includes the axis of rotation, the front end of axis of rotation rotates the inside of connecting at fixed frame, the outer wall fixedly connected with gear of axis of rotation, the outer wall of gear rotates and is connected with the chain, the other end outer wall fixedly connected with second motor of axis of rotation, the bottom fixedly connected with baffle of chain, the bottom fixed mounting of baffle has infrared emitter, infrared emitter's output electric connection has the controller, the output electric connection of controller has the display screen.

Furthermore, the inside swing joint of first through-hole has the chain, the inside swing joint of second through-hole has hydraulic stem one, the output electric connection of controller has first motor, the output electric connection of second motor has the controller.

Further, movable block swing joint is in the inside of first rectangular channel, the quantity of sliding tray has two, and the size of every sliding tray is the same, the inside sliding connection of sliding tray has the sliding block.

Furthermore, the right side of the electric hydraulic cylinder II is fixedly installed on the outer wall of the left side of the hydraulic rod I, the size of the first clamping block is the same as that of the second clamping block, and a fixing block is movably connected inside the groove.

Furthermore, the inside swing joint of cavity has the movable frame, the size of fourth through-hole and the size phase-match of connecting plate, the inside sliding connection of chute has the fixed column.

The invention has the beneficial effects that:

1. this road bed cavity size measuring device based on infrared ray, it forms the perforation with the perpendicular drilling in road surface through adopting drilling equipment on road bed and cavity, this perforation diameter is greater than hydraulic stem one and chain diameter and is less than the length of placing the board, it will guarantee to pass to perforate and will guarantee again to place the board and can not drop from the perforation, then can measure hollow size through the infrared ray that sends through the infrared emitter that sets up, can give the controller with the data transfer who detects like this through wireless transmission, the controller is the host computer, the staff can start measurement structure in a distance, data processing through the controller can be with data display on the display screen, the effect of being convenient for to measure has been played, prevent that the road surface secondary from collapsing, lead to personnel to fall into in the cavity, cause serious accident.

2. According to the roadbed cavity size measuring device based on the infrared ray, the second motor is started through the arranged rotating structure, the rotating shaft and the gear are driven to rotate by the second motor, the chain rotatably connected with the outer wall of the gear moves downwards, and the chain can move to a proper position; through the arranged pop-up structure, when the pop-up structure enters the hollow interior, the movable block pops out towards the left side, the movable block is moved to the inner wall of the left side of the sliding groove, the movable block is clamped at the top of the hollow interior, the height measurement of the through hole is realized, through the arranged auxiliary structure, the electric hydraulic cylinder II is started, the electric hydraulic cylinder II is utilized to drive the right end of the two-way groove of the hydraulic rod to move, the chain is arranged between the first clamping block and the second clamping block, then the electric hydraulic cylinder III is started, the electric hydraulic cylinder III drives the output end and the pin seat to move upwards, the movable rod can move to be close to the second clamping block, the chain is clamped, then the electric hydraulic cylinder II is started, the electric hydraulic cylinder II drives the two-way groove of the hydraulic rod to move to a proper position to stop, the effect of fixedly clamping the chain is achieved, and through the arranged push-out structure, start first motor, utilize first motor to drive the pivot and rotate, make the fixed column slide in the inside of chute, the fixed column drives the movable frame and removes to the right-hand member of pivot, until the fixed column removes the inner wall right-hand member of chute, the connecting plate that the movable frame right-hand member is connected passes the inside of hydraulic stem one through the fourth through-hole, the right-hand member that makes the connecting plate promotes the chain, the baffle joint that makes chain one side connect is at the right-hand member of connecting plate, has reached like this and has been convenient for to cavity width measuring effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic diagram of a pop-up structure according to the present invention;

FIG. 4 is a schematic view of an auxiliary structure of the present invention;

FIG. 5 is a schematic diagram of a push-out structure of the present invention;

FIG. 6 is a cross-sectional view of a length measuring infrared ray measuring structure according to the present invention;

FIG. 7 is a schematic diagram of a controller according to the present invention.

Description of reference numerals: 1. a roadbed; 2. a void; 3. perforating; 4. a placement structure; 41. placing the plate; 42. a first through hole; 43. a second through hole; 44. a viewing port; 5. an infrared measurement structure; 51. a fixing frame; 52. a first electric hydraulic cylinder; 53. a first hydraulic rod; 54. scale lines; 55. a pop-up structure; 551. a mounting seat; 552. a first rectangular groove; 553. a sliding groove; 554. a spring; 555. a movable block; 556. a slider; 557. a movable groove; 558. a fixed shaft; 559. a rotating wheel; 56. an auxiliary structure; 561. a groove; 562. a third through hole; 563. a second hydraulic rod; 564. a second electric hydraulic cylinder; 565. a fixed block; 566. a second rectangular groove; 567. a third electric hydraulic cylinder; 568. a first pin shaft; 569. a pin boss; 5610. a second pin shaft; 5611. a movable rod; 5612. a third pin shaft; 5613. a first clamping block; 5614. a fixing rod; 5615. a second clamping block; 57. a push-out structure; 571. a cavity; 572. a fourth via hole; 573. rotating the hole; 574. a bearing; 575. a rotating shaft; 576. a first motor; 577. a chute; 578. a movable frame; 579. a movable hole; 5710. fixing a column; 5711. a connecting plate; 58. a rotating structure; 581. a rotating shaft; 582. a gear; 583. a chain; 584. a second motor; 585. a baffle plate; 586. an infrared emitter; 587. a controller; 588. a display screen.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-7, an infrared-based roadbed cavity size measuring device comprises a roadbed 1 and a cavity 2, the cavity 2 is formed in the roadbed 1, a perforation 3 communicated with the cavity 2 is formed in the roadbed 1, a placing structure 4 is arranged at the top of the roadbed 1, and an infrared measuring structure 5 is arranged on the upper surface of the roadbed 1 close to the top of the placing structure 4;

placing structure 4 is including placing board 41, and the bottom swing joint of placing board 41 is at the upper surface of road bed 1, and the inside of placing board 41 has seted up first through-hole 42, and the inside of placing board 41 has seted up second through-hole 43, and the front side that the inside of placing board 41 is close to second through-hole 43 has opened viewing aperture 44, and through the setting of viewing aperture 44, has played the scale mark of being convenient for observe on hydraulic stem 53, carries out the reading.

Infrared ray measurement structure 5 includes fixed frame 51, the bottom fixed connection of fixed frame 51 is at the top of placing board 41, the inside fixed mounting of fixed frame 51 has electric hydraulic cylinder 52, the inside swing joint of electric hydraulic cylinder 52 has hydraulic stem 53, scale mark 54 has been seted up to the front side outer wall of hydraulic stem 53, through the scale mark 54 of seting up in hydraulic stem 53 is inside, it is convenient for highly measuring perforation 3 to have played, the bottom right side outer wall of hydraulic stem 53 is provided with pop-up structure 55, the bottom right side outer wall of hydraulic stem 53 is provided with auxiliary structure 56 near the below of pop-up structure 55, the bottom right side outer wall of hydraulic stem 53 is provided with ejecting structure 57, the inside of fixed frame 51 is provided with rotating-structure 58.

Pop-up structure 55 includes mount pad 551, one side fixed connection of mount pad 551 is at the bottom right side outer wall of hydraulic stem 53, first rectangular channel 552 has been seted up to mount pad 551's inside, sliding tray 553 has been seted up to one side that the inside of mount pad 551 is close to first rectangular channel 552, the inner wall fixedly connected with spring 554 of first rectangular channel 552, the left end fixedly connected with movable block 555 of spring 554, the both sides outer wall fixedly connected with sliding block 556 of movable block 555, movable groove 557 has been seted up to the left end inside of movable block 555, the inside fixedly connected with fixed axle 558 of movable groove 557, the outer wall swing joint of fixed axle 558 has runner 559.

The auxiliary structure 56 comprises a groove 561, the groove 561 is arranged inside a first hydraulic rod 53, a third through hole 562 is arranged on the left side of the inside of the first hydraulic rod 53, which is close to the groove 561, a second hydraulic rod 563 is movably connected inside the third through hole 562, the left end of the second hydraulic rod 563 is movably connected inside a second electric hydraulic cylinder 564, a fixed block 565 is fixedly connected to the right end of the second hydraulic rod 563, a second rectangular groove 566 is arranged inside the fixed block 565, a third electric hydraulic cylinder 567 is fixedly arranged inside the second rectangular groove 566, a first pin 568 is fixedly connected to the outer wall of the top of the output end of the third electric hydraulic cylinder 567, a pin holder 569 is movably connected to the outer wall of the first pin 568, a second pin 5610 is movably connected to the top end of the pin holder 569, one side of the second pin 5610 is fixedly connected to the outer wall of the left end of the movable rod 11, a third pin 5612 is fixedly connected to the outer wall of the middle of the movable rod 5611, and the third pin 5612 is movably connected to the inside the top end of the fixed block 565, a first clamping block 5613 is fixedly connected to the right end of the movable rod 5611, a fixed rod 5614 is fixedly connected to the outer wall of the right end of the fixed block 565, and a second clamping block 5615 is fixedly connected to the right end of the fixed rod 5614.

The pushing-out structure 57 comprises a cavity 571, the cavity 571 is arranged inside the first hydraulic rod 53, a fourth through hole 572 is arranged inside the first hydraulic rod 53 close to the right side of the cavity 571, a rotating hole 573 is arranged inside the first hydraulic rod 53 close to the left side of the cavity 571, a bearing 574 is fixedly installed inside the rotating hole 573, a rotating shaft 575 is rotatably connected inside the bearing 574, a first motor 576 is fixedly connected to the outer wall of the left end of the rotating shaft 575, a chute 577 is arranged on the outer wall of the rotating shaft 575, a movable frame 578 is movably connected to the outer wall of the rotating shaft 575, a movable hole 579 is arranged inside the left end of the movable frame 578, a fixed column 5710 is fixedly connected inside the movable frame 578, a connecting plate 5711 is fixedly connected to the right end of the movable frame 578, and by starting a second motor 584, the second motor 584 drives the rotating shaft 581 and the gear 582 to rotate, so that a chain 583 rotatably connected to the outer wall of the gear 582 moves downwards to a proper position, then starting the first electric hydraulic cylinder 52, the first electric hydraulic cylinder 52 drives the first hydraulic rod 53 to move downwards, the first hydraulic rod 53 moves downwards, simultaneously, the movable block 555 movably connected inside the mounting seat 551 is extruded inwards, the rotating wheel 559 rolls on the inner wall of the through hole 3 until the ejecting structure 55 enters the inner part of the hollow hole 2, the movable block 555 ejects towards the left side, the sliding block 556 is moved to the left inner wall of the sliding groove 553, the movable block 555 is clamped at the top of the hollow hole 2, then, starting the second electric hydraulic cylinder 564, the second electric hydraulic cylinder 564 drives the second hydraulic rod 563 to move towards the right end of the groove 561 until the chain 583 is between the first clamping block 5613 and the second clamping block 5615, then, starting the third electric hydraulic cylinder 567, the third electric hydraulic cylinder 567 drives the output end and the pin seat 569 to move upwards, so that the movable rod 5611 can move and approach the second clamping block 5615 to clamp the chain 583, then, the second electric hydraulic cylinder 564 is started again, the second electric hydraulic cylinder 564 drives the second hydraulic rod 563 to move towards the inside of the groove 561, the second hydraulic rod 563 is moved to a proper position to stop, the first motor 576 is started, the first motor 576 drives the rotating shaft 575 to rotate, so that the fixed column 5710 slides inside the inclined groove 577, the fixed column 5710 drives the movable frame 578 to move towards the right end of the rotating shaft 575, until the fixed column 5710 moves to the right end of the inner wall of the inclined groove 577, the connecting plate 5711 connected to the right end of the movable frame 578 penetrates through the inside of the first hydraulic rod 53 through the fourth through hole 572, so that the right end of the connecting plate 5711 pushes the chain 583, the baffle 585 connected to one side of the chain 583 is clamped at the right end of the connecting plate 5711, then the width of the cavity 2 is measured, and the size of the cavity is convenient to measure through the above arrangement, the operation is simple and the use is also convenient.

The rotating structure 58 comprises a rotating shaft 581, the front end of the rotating shaft 581 is rotatably connected inside the fixed frame 51, a gear 582 is fixedly connected to the outer wall of the rotating shaft 581, a chain 583 is rotatably connected to the outer wall of the other end of the rotating shaft 581, a second motor 584 is fixedly connected to the outer wall of the other end of the rotating shaft 581, a baffle 585 is fixedly connected to the bottom end of the chain 583, an infrared emitter 586 is fixedly installed at the bottom of the baffle 585, the output end of the infrared emitter 586 is electrically connected with a controller 587, the output end of the controller 587 is electrically connected with a display 588, a hole 3 is formed by vertically drilling the road surface above the roadbed 1 and the hollow space 2 by adopting a drilling device, the diameter of the hole 3 is larger than that of the first hydraulic rod 53 and the chain 583 and smaller than the length of the placing plate 41, it is ensured that both the first hydraulic rod 53 and the chain 583 can pass through the hole 3 and the placing plate 41 can not fall from the hole 3, then the size of the hollow space 2 can be measured by the infrared emitter 586, can give controller 587 with the data transfer who detects like this through wireless transmission, controller 587 is the host computer, and the staff can start measuring structure at a distance, and data processing through controller 587 can show data on display screen 588, and the accuracy that can guarantee measured data like this measures, has also played the effect of being convenient for to measure simultaneously, prevents that the road surface secondary from collapsing, leads to in the personnel fall into the cavity, causes serious accident.

The inside swing joint of first through-hole 42 has chain 583, and the inside swing joint of second through-hole 43 has hydraulic stem one 53, and the output electric connection of controller 587 has first motor 576, and the output electric connection of second motor 584 has controller 587.

The movable block 555 is movably connected inside the first rectangular groove 552, the number of the sliding grooves 553 is two, each sliding groove 553 is the same in size, and a sliding block 556 is slidably connected inside each sliding groove 553.

The right side of the second electric hydraulic cylinder 564 is fixedly installed on the outer wall of the left side of the first hydraulic rod 53, the size of the first clamping block 5613 is the same as that of the second clamping block 5615, the fixing block 565 is movably connected inside the groove 561, and the first clamping block 5613 and the second clamping block 5615 are arranged to play a role in conveniently clamping the chain 583.

The cavity 571 is internally and movably connected with a movable frame 578, the fourth through hole 572 is matched with the connecting plate 5711 in size, the inclined groove 577 is internally and slidably connected with a fixing column 5710, and the fixing column 5710 is convenient to move in the rotating shaft 575 through the arrangement of the inclined groove 577.

When the device is used, a drilling device is adopted above the roadbed 1 and the cavity 2 to vertically drill the road surface to form a perforation 3, the diameter of the perforation 3 is larger than that of the hydraulic rod I53 and the chain 583 and smaller than the length of the placing plate 41, the hydraulic rod I53 and the chain 583 can be ensured to pass through the perforation 3, the placing plate 41 can not fall off from the perforation 3, then the size of the cavity 2 can be measured through the infrared rays emitted by the arranged infrared emitter 586, thus the detected data can be transmitted to the controller 587 through wireless transmission, the controller 587 is a host, a worker can start the measuring structure at a distance, the data can be displayed on the display screen 588 through the data processing of the controller 587, the accuracy of the measured data can be ensured through the measurement, meanwhile, the effect of facilitating the measurement is achieved, the secondary road surface is prevented, and the worker can fall into the cavity, causing serious accidents, by starting the second motor 584, the second motor 584 drives the rotating shaft 581 and the gear 582 to rotate, so that the chain 583 rotatably connected with the outer wall of the gear 582 moves downwards to move to a proper position, then starting the first electric hydraulic cylinder 52, the first electric hydraulic cylinder 52 drives the first hydraulic rod 53 to move downwards, the first hydraulic rod 53 moves downwards, simultaneously, the movable block 555 movably connected with the inner part of the mounting seat 551 is pressed inwards, the rotating wheel 559 rolls on the inner wall of the through hole 3 until the ejecting structure 55 enters the inner part of the hollow hole 2, the movable block 555 ejects towards the left side, the sliding block 556 moves to the left inner wall of the sliding groove 553, the movable block 555 is clamped at the top of the hollow hole 2, then starting the second electric hydraulic cylinder 564, the second electric hydraulic cylinder 564 drives the second hydraulic rod 563 to move towards the right end of the groove 561 until the chain 583 is between the first clamping block 5613 and the second clamping block 5615, then an electric hydraulic cylinder third 567 is started, the electric hydraulic cylinder third 567 drives an output end and a pin seat 569 to move upwards, so that a movable rod 5611 can move and approach to a second clamping block 5615 to clamp a chain 583, then an electric hydraulic cylinder second 564 is started, the electric hydraulic cylinder second 564 drives a hydraulic rod second 563 to move towards the inside of a groove 561 and stop moving to a proper position, a first motor 576 is started, the first motor 576 drives a rotating shaft 575 to rotate, so that a fixed column 5710 slides in the inclined groove 577, the fixed column 5710 drives a movable frame 578 to move towards the right end of the rotating shaft 575 until the fixed column 5710 moves to the right end of the inner wall of the connecting plate 577, a connecting plate 5711 connected with the right end of the movable inclined groove 578 penetrates through the inside of the hydraulic rod first 53 through a fourth through hole 572, so that the right end of the connecting plate 5711 pushes the chain 583, a baffle 585 connected with one side of the chain 583 is clamped at the right end of the connecting plate 5711, and then the width of the cavity 2 is measured, through the arrangement, the size of the cavity can be conveniently measured, the operation is simple, and the use is also convenient.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a road bed cavity size measuring device based on infrared ray, includes road bed (1) and cavity (2), its characterized in that have been seted up to the inside of road bed (1): a perforation (3) communicated with the cavity (2) is formed in the roadbed (1), a placing structure (4) is arranged at the top of the roadbed (1), and an infrared measuring structure (5) is arranged on the upper surface of the roadbed (1) close to the top of the placing structure (4);

the placing structure (4) comprises a placing plate (41), the bottom of the placing plate (41) is movably connected to the upper surface of the roadbed (1), a first through hole (42) is formed in the placing plate (41), a second through hole (43) is formed in the placing plate (41), and an observation opening (44) is formed in the front side, close to the second through hole (43), of the placing plate (41).

2. An infrared-based roadbed void dimension measuring device as claimed in claim 1, wherein: the infrared ray measurement structure (5) is including fixed frame (51), the bottom fixed connection of fixed frame (51) is at the top of placing board (41), the inside fixed mounting of fixed frame (51) has electric hydraulic cylinder (52), the inside swing joint of electric hydraulic cylinder (52) has hydraulic stem one (53), scale mark (54) have been seted up to the front side outer wall of hydraulic stem one (53), the bottom right side outer wall of hydraulic stem one (53) is provided with pop-up structure (55), the bottom right side outer wall of hydraulic stem one (53) is close to the below of popping-up structure (55) and is provided with auxiliary structure (56), the bottom right side outer wall of hydraulic stem one (53) is provided with ejecting structure (57), the inside of fixed frame (51) is provided with rotating-structure (58).

3. An infrared-based roadbed void dimension measuring device as claimed in claim 2, wherein: the pop-up structure (55) comprises a mounting seat (551), one side of the mounting seat (551) is fixedly connected to the outer wall of the right side of the bottom of the first hydraulic rod (53), a first rectangular groove (552) is formed in the mounting seat (551), a sliding groove (553) is formed in one side, close to the first rectangular groove (552), of the mounting seat (551), a spring (554) is fixedly connected to the inner wall of the first rectangular groove (552), a movable block (555) is fixedly connected to the left end of the spring (554), sliding blocks (556) are fixedly connected to the outer walls of the two sides of the movable block (555), a movable groove (557) is formed in the left end of the movable block (555), a fixed shaft (558) is fixedly connected to the inner part of the movable groove (557), and a rotating wheel (559) is movably connected to the outer wall of the fixed shaft (558).

4. An infrared-based roadbed void dimension measuring device as claimed in claim 3, wherein: the auxiliary structure (56) comprises a groove (561), the groove (561) is formed in a first hydraulic rod (53), a third through hole (562) is formed in the first hydraulic rod (53) close to the left side of the groove (561), a second hydraulic rod (563) is movably connected to the inside of the third through hole (562), the left end of the second hydraulic rod (563) is movably connected to the inside of a second electric hydraulic cylinder (564), a fixing block (565) is fixedly connected to the right end of the second hydraulic rod (563), a second rectangular groove (566) is formed in the fixing block (565), a third electric hydraulic cylinder (567) is fixedly installed in the second rectangular groove (566), a first pin shaft (568) is fixedly connected to the outer wall of the top of the third electric hydraulic cylinder (567), a movable pin seat (569) is connected to the outer wall of the first pin shaft (568), a second pin shaft (5610) is movably connected to the inside of the top end of the pin seat (569), one side fixed connection of second round pin axle (5610) is at the left end outer wall of movable rod (5611), the middle part outer wall fixedly connected with third round pin axle (5612) of movable rod (5611), third round pin axle (5612) swing joint is inside the top of fixed block (565), the first grip block of right-hand member fixedly connected with (5613) of movable rod (5611), the right-hand member outer wall fixedly connected with dead lever (5614) of fixed block (565), the right-hand member fixedly connected with second grip block (5615) of dead lever (5614).

5. An infrared-based roadbed void dimension measuring device as claimed in claim 4, wherein: the pushing-out structure (57) comprises a cavity (571), the cavity (571) is arranged inside a first hydraulic rod (53), a fourth through hole (572) is formed in the hydraulic rod (53) close to the right side of the cavity (571), a rotating hole (573) is formed in the hydraulic rod (53) close to the left side of the cavity (571), a bearing (574) is fixedly installed inside the rotating hole (573), a rotating shaft (575) is rotatably connected inside the bearing (574), a first motor (576) is fixedly connected to the outer wall of the left end of the rotating shaft (575), an inclined groove (577) is formed in the outer wall of the rotating shaft (575), a movable frame (578) is movably connected to the outer wall of the rotating shaft (575), a movable hole (579) is formed in the left end of the movable frame (578), and a fixed column (5710) is fixedly connected to the inside of the movable frame (578), the right end of the movable frame (578) is fixedly connected with a connecting plate (5711).

6. An infrared-based roadbed void dimension measuring apparatus as claimed in claim 5 wherein: rotating-structure (58) includes axis of rotation (581), the front end rotation of axis of rotation (581) is connected in the inside of fixed frame (51), outer wall fixedly connected with gear (582) of axis of rotation (581), the outer wall rotation of gear (582) is connected with chain (583), the other end outer wall fixedly connected with second motor (584) of axis of rotation (581), the bottom fixedly connected with baffle (585) of chain (583), the bottom fixed mounting of baffle (585) has infrared emitter (586), the output electric connection of infrared emitter (586) has controller (587), the output electric connection of controller (587) has display screen (588).

7. An infrared-based roadbed void dimension measuring device as claimed in claim 6, wherein: the inside swing joint of first through-hole (42) has chain (583), the inside swing joint of second through-hole (43) has hydraulic stem one (53), the output electric connection of controller (587) has first motor (576), the output electric connection of second motor (584) has controller (587).

8. An infrared-based roadbed void dimension measuring device as claimed in claim 7, wherein: the movable block (555) is movably connected inside the first rectangular groove (552), the number of the sliding grooves (553) is two, the size of each sliding groove (553) is the same, and a sliding block (556) is slidably connected inside each sliding groove (553).

9. An infrared-based roadbed void dimension measuring device as claimed in claim 8, wherein: the right side of the electric hydraulic cylinder II (564) is fixedly installed on the outer wall of the left side of the hydraulic rod I (53), the size of the first clamping block (5613) is the same as that of the second clamping block (5615), and a fixing block (565) is movably connected inside the groove (561).

10. An infrared-based roadbed void dimension measuring device as claimed in claim 9, wherein: the inner part of the cavity (571) is movably connected with a movable frame (578), the size of the fourth through hole (572) is matched with that of the connecting plate (5711), and the inner part of the chute (577) is slidably connected with a fixed column (5710).