阅读说明：本技术 一种地铁盾构施工风险实时监测及灾害预警装置 (Subway shield constructs construction risk real-time supervision and calamity early warning device ) 是由 陶云超 董海风 王龙飞 黄成建 涂亮 鲍德志 叶猛 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种地铁盾构施工风险实时监测及灾害预警装置,包括预警器本体、滚轮、万向轮、减震器、连接杆、伸缩杆、翻折检测机构和防护监控机构,本发明通过在连接杆上端设置了翻折检测机构,摆动机构带动摆动杆在活动座内侧进行逆时针摆动,使摆动杆带动检测头的进行倾斜,可以调节检测方位,同时升降机构将检测头推出,使检测头与地面相接触,对地铁盾构施工时地面震动力进行检测,达到了能够快速调节检测角度和对检测头进行收放的优点。(The invention discloses a real-time monitoring and disaster early warning device for subway shield construction risks, which comprises an early warning device body, a roller wheel, a universal wheel, a shock absorber, a connecting rod, a telescopic rod, a turnover detection mechanism and a protection monitoring mechanism.)

1. The subway shield construction risk real-time monitoring and disaster early warning device comprises an early warning device body (1), idler wheels (2), universal wheels (3), a shock absorber (4), a connecting rod (5) and a telescopic rod (7), wherein the idler wheels (2) are arranged at the rear end of the early warning device body (1), and the universal wheels (3) are arranged at the front end of the early warning device body (1);

the method is characterized in that: still including rolling over a detection mechanism (6) and protection monitoring mechanism (8), it installs in connecting rod (5) front end to turn over a detection mechanism (6), telescopic link (7) are fixed with protection monitoring mechanism (8) bottom, it includes sliding seat (61), swing mechanism (62), swinging arms (63), connecting plate (64) and elevating system (65) to turn over a detection mechanism (6), sliding seat (61) are fixed with connecting rod (5) front end, sliding seat (61) right-hand member is provided with swing mechanism (62), swinging arms (63) and sliding seat (61) inboard normal running fit, swinging arms (63) are fixed with connecting plate (64) rear end, connecting plate (64) front end is provided with elevating system (65).

2. The subway shield construction risk real-time monitoring and disaster early warning device according to claim 1, characterized in that: the universal wheel (3) is connected with the bottom of the shock absorber (4), the early warning device body (1) is fixed with the rear end of the connecting rod (5), and the top of the early warning device body (1) is provided with a telescopic rod (7).

3. The subway shield construction risk real-time monitoring and disaster early warning device according to claim 1, characterized in that: swing mechanism (62) are including fixed frame (621), fixing base (622), telescoping cylinder (623), crank (624), carousel (625) and axis of rotation (626), fixed frame (621) are fixed mutually with movable seat (61) right-hand member, fixed frame (621) are fixed mutually with fixing base (622) lower extreme, telescoping cylinder (623) and fixing base (622) inboard normal running fit, telescoping cylinder (623) and crank (624) right-hand member normal running fit, crank (624) are connected with carousel (625) middle part, carousel (625) are through axis of rotation (626) and swinging arms (63) rear end normal running fit.

4. The subway shield construction risk real-time monitoring and disaster early warning device according to claim 1, characterized in that: the lifting mechanism (65) comprises a bearing block (651), an installation frame (652), a first motor (653), a first movable rod (654), a second movable rod (655), a detection head (656) and a folding rod (657), wherein the bearing block (651) is connected with the front end of the connecting plate (64), the bearing block (651) is fixed with the right end of the installation frame (652), the first motor (653) is arranged inside the installation frame (652), the first motor (653) is connected with the right end of the first movable rod (654), the left end of the first movable rod (654) is provided with the second movable rod (655), the second movable rod (655) is in rotating fit with the right end of the detection head (656), and the right end of the detection head (656) is provided with the folding rod (657).

5. The subway shield construction risk real-time monitoring and disaster early warning device according to claim 1, characterized in that: the protection monitoring mechanism (8) comprises a retractable frame (81), a connecting block (82), a guide rail (83), a monitoring head (84), a moving block (85), a retractable mechanism (86), a second motor (87), a polished rod (88) and a cleaning mechanism (89), wherein the connecting block (82) is fixed with the top of the telescopic rod (7), the retractable frame (81) is fixed with the front end of the connecting block (82), the guide rail (83) is arranged at the front end of the retractable frame (81), the monitoring head (84) is arranged in the retractable frame (81), the moving block (85) slides along the upper end of the guide rail (83), the retractable frame (81) is fixed with the bottom of the retractable mechanism (86), the second motor (87) is arranged in the retractable frame (81), the second motor (87) is connected with the right end of the polished rod (88), and the polished rod (88) is in running fit with the lower end of the moving block (85), the polish rod (88) is fixed with the right end of the cleaning mechanism (89).

6. The subway shield construction risk real-time monitoring and disaster early warning device according to claim 5, wherein: the folding and unfolding mechanism (86) comprises a receiving frame (861), a rotating seat (862), a folding and unfolding wheel (863), a piece of shielding cloth (864) and a clockwork spring (865), the lower end of the receiving frame (861) is fixed with the folding and unfolding frame (81), the receiving frame (861) is fixed with the right end of the rotating seat (862), the rotating seat (862) is connected with the middle of the folding and unfolding wheel (863), the shielding cloth (864) is wound on the upper end of the folding and unfolding wheel (863), the left end of the shielding cloth (864) is connected with a moving block (85), and the clockwork spring (865) is arranged in the middle of the folding and unfolding wheel (863).

7. The subway shield construction risk real-time monitoring and disaster early warning device according to claim 5, wherein: clean mechanism (89) are including clean frame (891), pressure spring (892), brush board (893), stopper (894) and supporting shoe (895), supporting shoe (895) are connected with polished rod (88) upper end, supporting shoe (895) are fixed mutually with clean frame (891) right-hand member, clean frame (891) are through pressure spring (892) and brush board (893) upper end elastic connection, clean frame (891) left end is provided with stopper (894).

8. The subway shield construction risk real-time monitoring and disaster early warning device according to claim 7, wherein: the lower end of the brush plate (893) is arc-shaped, and the brush plate (893) is in contact with the front end surface of the monitoring head (84).

9. The subway shield construction risk real-time monitoring and disaster early warning device according to claim 4, wherein: the folding rods (657) are V-shaped, and the number of the folding rods (657) is two.

10. The subway shield construction risk real-time monitoring and disaster early warning device according to claim 4, wherein: the left end of the first movable rod (654) is provided with a sliding groove, and the second movable rod (655) is in sliding fit with the inner side of the sliding groove at the upper end of the first movable rod (654).

Technical Field

The invention relates to the field related to subway shield construction, in particular to a real-time monitoring and disaster early warning device for subway shield construction risks.

Background

With the rapid development of urban rail transit, more and more cities have a four-way and eight-reach subway line network, the subway construction inevitably disturbs the stratum, causes water loss and stratum stress loss to cause settlement, displacement and deformation of buildings (structures) along the line, the ground along the construction line is easy to collapse, and the ground collapse has the characteristics of burstiness, concealment, uncertainty, time-space effect and the like, so that the safety of the engineering is effectively guaranteed, the disastrous results caused by the collapse of the ground are reduced, all-weather and real-time monitoring is carried out on the road surface which is easy to collapse above the shield construction, timely and reliable monitoring data and early warning information are provided, and the method has a positive effect on ensuring the safety of the shield construction.

Present subway shield constructs construction risk real-time supervision and calamity early warning device generally simple structure, when the camera is not using, is difficult for retrieving the protection to the camera to because ground unevenness, the detection position of difficult quick adjustment detection head influences early warning efficiency.

Disclosure of Invention

Therefore, in order to solve the above disadvantages, the present invention provides a real-time monitoring and disaster warning device for subway shield construction risks.

The invention is realized in such a way that a real-time monitoring and disaster early warning device for the construction risk of the subway shield is constructed, the device comprises an early warning device body, rollers, universal wheels, a shock absorber, a connecting rod, a telescopic rod, a turnover detection mechanism and a protection monitoring mechanism, wherein the rollers are arranged at the rear end of the early warning device body, the universal wheels are arranged at the front end of the early warning device body, the turnover detection mechanism is arranged at the front end of the connecting rod, the telescopic rod is fixed with the bottom of the protection monitoring mechanism, the turnover detection mechanism comprises a movable seat, a swinging mechanism, a swinging rod, a connecting plate and a lifting mechanism, the movable seat is fixed with the front end of the connecting rod, the right end of the movable seat is provided with the swinging mechanism, the swinging rod is in rotating fit with the inner side of the movable seat, the swinging rod is fixed with the rear end of the connecting plate, and the front end of the connecting plate is provided with the lifting mechanism.

Preferably, the universal wheel is connected with the bottom of the shock absorber, the early warning device body is fixed to the rear end of the connecting rod, and the top of the early warning device body is provided with the telescopic rod.

Preferably, swing mechanism is including fixed frame, fixing base, telescoping cylinder, crank, carousel and axis of rotation, fixed frame is fixed mutually with the sliding seat right-hand member, fixed frame is fixed mutually with the fixing base lower extreme, the inboard normal running fit of telescoping cylinder and fixing base, telescoping cylinder and crank right-hand member normal running fit, the crank is connected with the carousel middle part, the carousel passes through axis of rotation and swinging arms rear end normal running fit.

Preferably, elevating system is including holding piece, installing frame, first motor, first movable rod, second movable rod, detecting head and folding rod, it is connected with the connecting plate front end to hold the piece, it is fixed mutually with the installing frame right-hand member to hold the piece, the inside first motor that is provided with of installing frame, first motor is connected with first movable rod right-hand member, first movable rod left end is provided with the second movable rod, the second movable rod with detect first right-hand member normal running fit, it is provided with the folding rod to detect the first right-hand member.

Preferably, the protection monitoring mechanism comprises a retractable frame, a connecting block, a guide rail, a monitoring head, a moving block, a retractable mechanism, a second motor, a polished rod and a cleaning mechanism, the connecting block is fixed to the top of the telescopic rod, the retractable frame is fixed to the front end of the connecting block, the guide rail is arranged at the front end of the retractable frame, the monitoring head is mounted inside the retractable frame, the moving block slides along the upper end of the guide rail, the retractable frame is fixed to the bottom of the retractable mechanism, the second motor is mounted inside the retractable frame, the second motor is connected with the right end of the polished rod, the polished rod is in rotating fit with the lower end of the moving block, and the polished rod is fixed to the right end of the cleaning mechanism.

Preferably, the retraction mechanism comprises a receiving frame, a rotating base, a retraction wheel, a piece of shielding cloth and a clockwork spring, the lower end of the receiving frame is fixed with the retraction frame, the receiving frame is fixed with the right end of the rotating base, the rotating base is connected with the middle of the retraction wheel, the shielding cloth is wound on the upper end of the retraction wheel, the left end of the shielding cloth is connected with a moving block, and the clockwork spring is arranged in the middle of the retraction wheel.

Preferably, the cleaning mechanism comprises a cleaning frame, a pressure spring, a brush plate, a limiting block and a supporting block, the supporting block is connected with the upper end of the polish rod, the supporting block is fixed with the right end of the cleaning frame, the cleaning frame is elastically connected with the upper end of the brush plate through the pressure spring, and the limiting block is arranged at the left end of the cleaning frame.

Preferably, the lower end of the brush plate is arc-shaped, and the brush plate is in contact with the front end surface of the monitoring head.

Preferably, the folding rod is in a V shape, and the number of the folding rods is two.

Preferably, the left end of the first movable rod is provided with a sliding groove, and the second movable rod is in sliding fit with the inner side of the sliding groove at the upper end of the first movable rod.

Preferably, the first movable rod and the second movable rod are made of carbon steel and have high hardness.

Preferably, the folding rod is made of alloy steel and has strong corrosion resistance.

The invention has the following advantages: the invention provides a real-time monitoring and disaster early warning device for subway shield construction risks through improvement, and compared with the same type of equipment, the real-time monitoring and disaster early warning device has the following improvements:

the method has the advantages that: according to the real-time monitoring and disaster early warning device for the construction risk of the subway shield, the turnover detection mechanism is arranged at the upper end of the connecting rod, the swing mechanism drives the swing rod to swing anticlockwise on the inner side of the movable seat, the swing rod drives the detection head to incline, the detection direction can be adjusted, the lifting mechanism pushes out the detection head to enable the detection head to be in contact with the ground, the ground vibration force during construction of the subway shield is detected, and the advantages that the detection angle can be adjusted quickly and the detection head can be folded and unfolded are achieved.

The method has the advantages that: according to the real-time monitoring and disaster early warning device for the subway shield construction risk, the swing mechanism is arranged at the upper end of the turnover detection mechanism, the telescopic cylinder conducts telescopic motion, the crank drives the turntable to rotate, the turntable drives the swing rod to rotate through the rotating shaft, and the advantage that the detection angle can be adjusted quickly is achieved.

The method has the advantages that: according to the real-time monitoring and disaster early warning device for the subway shield construction risk, the lifting mechanism is arranged at the upper end of the turnover detection mechanism, the first motor is electrified to work to drive the first movable rod to rotate anticlockwise, so that the first movable rod pushes the detection head to move towards the outer side of the mounting frame through the second movable rod, and meanwhile, when the detection head moves, the folding rod can be stretched to enable the detection head to move stably, and the advantage that the height of the detection head can be adjusted quickly is achieved.

The advantages are that: according to the real-time monitoring and disaster early warning device for the construction risk of the subway shield, the protection monitoring mechanism is arranged at the upper end of the telescopic rod, when the monitoring head is not used, the second motor is electrified to work to drive the polished rod to rotate anticlockwise, the polished rod drives the moving block to move on the inner side of the guide rail, the moving block pulls the shielding cloth to extend, the shielding cloth covers the front end of the retractable frame to seal and protect the monitoring head, and meanwhile, when the polished rod swings, the cleaning mechanism is driven to clean the surface of the monitoring head, so that the advantage of being capable of quickly protecting the monitoring head is achieved.

The advantages are that: according to the subway shield construction risk real-time monitoring and disaster early warning device, the cleaning mechanism is arranged at the upper end of the protection monitoring mechanism, so that the brush plate can be driven to clean the surface of the monitoring head when the polish rod swings, meanwhile, the brush plate can press the compression spring to deform and contract, the polarization force at the upper end of the brush plate is absorbed, the limiting block can block and limit the cleaning frame, the cleaning frame is prevented from being excessively displaced, and the advantage that the surface of the monitoring head can be quickly cleaned is achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic perspective view of the turnover detection mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of the turnover detection mechanism of the present invention;

FIG. 4 is a schematic cross-sectional view of the swing mechanism of the present invention;

FIG. 5 is a schematic cross-sectional view of the lifting mechanism of the present invention;

FIG. 6 is a schematic perspective view of the security monitoring mechanism of the present invention;

FIG. 7 is a schematic cross-sectional view of a security monitoring mechanism of the present invention;

FIG. 8 is a schematic cross-sectional view of the retracting mechanism of the present invention;

fig. 9 is a schematic cross-sectional view of the cleaning mechanism of the present invention.

Wherein: the device comprises an early warning device body-1, a roller-2, a universal wheel-3, a shock absorber-4, a connecting rod-5, a telescopic rod-7, a turnover detection mechanism-6, a protection monitoring mechanism-8, a movable seat-61, a swinging mechanism-62, a swinging rod-63, a connecting plate-64, a lifting mechanism-65, a fixed frame-621, a fixed seat-622, a telescopic cylinder-623, a crank-624, a rotary disc-625, a rotating shaft-626, a bearing block-651, a mounting frame-652, a first motor-653, a first movable rod-654, a second movable rod-655, a detection head-656, a folding rod-657, a storage frame-81, a connecting block-82, a guide rail-83, a monitoring head-84, a moving block-85, a vibration damper-4, A retraction mechanism-86, a second motor-87, a polished rod-88, a cleaning mechanism-89, a bearing frame-861, a rotating seat-862, a retraction wheel-863, a shielding cloth-864, a clockwork spring-865, a cleaning frame-891, a pressure spring-892, a brush board-893, a limiting block-894 and a supporting block-895.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 9, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, the invention provides a real-time monitoring and disaster early warning device for subway shield construction risks through improvement, which comprises an early warning device body 1, rollers 2, universal wheels 3, a shock absorber 4, a connecting rod 5, a telescopic rod 7, a turnover detection mechanism 6 and a protection monitoring mechanism 8, wherein the rollers 2 are arranged at the rear end of the early warning device body 1, the universal wheels 3 are arranged at the front end of the early warning device body 1, the turnover detection mechanism 6 is arranged at the front end of the connecting rod 5, the telescopic rod 7 is fixed with the bottom of the protection monitoring mechanism 8, the universal wheels 3 are connected with the bottom of the shock absorber 4, the early warning device body 1 is fixed with the rear end of the connecting rod 5, and the telescopic rod 7 is arranged at the top of the early warning device body 1.

Referring to fig. 2 and 3, the invention provides a real-time monitoring and disaster warning device for subway shield construction risk through improvement, the turnover detection mechanism 6 includes a movable seat 61, a swing mechanism 62, a swing rod 63, a connecting plate 64 and a lifting mechanism 65, the movable seat 61 is fixed with the front end of the connecting rod 5, the swing mechanism 62 is arranged at the right end of the movable seat 61, the swing rod 63 is rotatably matched with the inner side of the movable seat 61, the swing rod 63 is fixed with the rear end of the connecting plate 64, and the lifting mechanism 65 is arranged at the front end of the connecting plate 64.

Referring to fig. 4, the invention provides a real-time monitoring and disaster early warning device for subway shield construction risk through improvement, wherein a swing mechanism 62 includes a fixed frame 621, a fixed seat 622, a telescopic cylinder 623, a crank 624, a turntable 625 and a rotating shaft 626, the fixed frame 621 is fixed with the right end of a movable seat 61, the fixed frame 621 is fixed with the lower end of the fixed seat 622, the telescopic cylinder 623 is in rotating fit with the inner side of the fixed seat 622, the telescopic cylinder 623 is in rotating fit with the right end of the crank 624, the crank 624 is connected with the middle part of the turntable 625, and the turntable 625 is in rotating fit with the rear end of a swing rod 63 through the rotating shaft 626.

Referring to fig. 5, the present invention provides a real-time monitoring and disaster early warning device for subway shield construction risk by improving, wherein a lifting mechanism 65 comprises a receiving block 651, a mounting frame 652, a first motor 653, a first movable rod 654, a second movable rod 655, a detection head 656 and a folding rod 657, the receiving block 651 is connected with the front end of a connecting plate 64, the receiving block 651 is fixed with the right end of the mounting frame 652, the first motor 653 is arranged inside the mounting frame 652, the first motor 653 is connected with the right end of the first movable rod 654, the left end of the first movable rod 654 is provided with the second movable rod 655, the second movable rod 655 is rotatably fitted with the right end of the detection head 656, the right end of the detection head 656 is provided with the folding rod 657, the folding rod 657 is V-shaped, the folding rods 657 are provided with two folding rods 657, the left end of the first movable rod 654 is provided with a chute, and the second movable rod 655 is slidably fitted with the inner side of the chute at the upper end of the first movable rod 654, the first movable rod 654 and the second movable rod 655 are both made of carbon steel and have high hardness, and the folding rod 657 is made of alloy steel and has strong corrosion resistance.

Referring to fig. 6 and 7, the present invention provides a real-time monitoring and disaster warning device for subway shield construction risk by improving, wherein the protection monitoring mechanism 8 includes a retraction frame 81, a connection block 82, a guide rail 83, and a monitoring head 84, the telescopic rod cleaning device comprises a moving block 85, a retracting mechanism 86, a second motor 87, a polished rod 88 and a cleaning mechanism 89, wherein a connecting block 82 is fixed to the top of the telescopic rod 7, a retracting frame 81 is fixed to the front end of the connecting block 82, a guide rail 83 is arranged at the front end of the retracting frame 81, a monitoring head 84 is arranged inside the retracting frame 81, the moving block 85 slides along the upper end of the guide rail 83, the retracting frame 81 is fixed to the bottom of the retracting mechanism 86, the second motor 87 is arranged inside the retracting frame 81, the second motor 87 is connected with the right end of the polished rod 88, the polished rod 88 is in rotating fit with the lower end of the moving block 85, and the polished rod 88 is fixed to the right end of the cleaning mechanism 89, so that the cleaning mechanism 89 can be driven to move.

Referring to fig. 8, the invention provides a real-time monitoring and disaster early warning device for subway shield construction risk through improvement, wherein the retraction mechanism 86 comprises a receiving frame 861, a rotating base 862, a retraction wheel 863, a shielding cloth 864 and a spiral spring 865, the lower end of the receiving frame 861 is fixed with the retraction frame 81, the receiving frame 861 is fixed with the right end of the rotating base 862, the rotating base 862 is connected with the middle part of the retraction wheel 863, the shielding cloth 864 is wound on the upper end of the retraction wheel 863, the left end of the shielding cloth 864 is connected with a moving block 85, and the spiral spring 865 is arranged in the middle part of the retraction wheel 863, so as to facilitate the retraction wheel 863 to reset.

Referring to fig. 9, the invention provides a real-time monitoring and disaster warning device for subway shield construction risk through improvement, a cleaning mechanism 89 includes a cleaning frame 891, a pressure spring 892, a brush plate 893, a limiting block 894 and a supporting block 895, the supporting block 895 is connected with the upper end of a polish rod 88, the supporting block 895 is fixed with the right end of the cleaning frame 891, the cleaning frame 891 is elastically connected with the upper end of the brush plate 893 through the pressure spring 892, the left end of the cleaning frame 891 is provided with the limiting block 894, the lower end of the brush plate 893 is arc-shaped, and the brush plate 893 is in contact with the front end surface of a monitor head 84, so as to clean the surface of the monitor head 84.

Example two:

the invention provides a real-time monitoring and disaster early warning device for subway shield construction risks, which is improved, wherein the cross section of a fixed seat 622 is U-shaped, a telescopic cylinder 623 is embedded into the inner side of the fixed seat 622, so that the telescopic cylinder 623 can stably swing, a swing rod 63 and a connecting plate 64 are vertically distributed, and the swing rod 63 is embedded into the inner side of a movable seat 61.

The invention provides a real-time monitoring and disaster early warning device for subway shield construction risks through improvement, and the working principle is as follows;

firstly, horizontally placing a subway shield construction risk real-time monitoring and disaster early warning device before use, and enabling a roller 2 and a universal wheel 3 to fixedly support the device;

secondly, when the device is used, the device is placed in a subway shield construction area, and the device is started, so that the monitoring head 84 monitors the construction condition in real time;

thirdly, the turnover detection mechanism 6 is started at the same time, the telescopic cylinder 623 performs telescopic motion, the crank 624 drives the turntable 625 to rotate, the turntable 625 drives the swing rod 63 to rotate through the rotating shaft 626, the swing rod 63 swings counterclockwise inside the movable seat 61, the swing rod 63 drives the detection head 656 to tilt, and the detection direction can be adjusted;

fourthly, the first motor 653 is powered on to work to drive the first movable rod 654 to rotate anticlockwise, so that the first movable rod 654 pushes the detection head 656 to move towards the outer side of the mounting frame 652 through the second movable rod 655, and meanwhile, when the detection head 656 moves, the folding rod 657 can be extended, the detection head 656 can move stably, the detection head 656 can be in contact with the ground, and the ground vibration force during the construction of the subway shield can be detected;

fifthly, when the monitoring head 84 is not used, the second motor 87 is powered on to work to drive the polished rod 88 to rotate anticlockwise, so that the polished rod 88 drives the moving block 85 to move on the inner side of the guide rail 83, the moving block 85 pulls the shielding cloth 865 to extend, the shielding cloth 865 can drive the retraction wheel 863 to rotate, and the spring 865 is wound, the shielding cloth 865 can be conveniently recovered when the shielding cloth 865 is not used, the shielding cloth 865 covers the front end of the retraction frame 81, and the monitoring head 84 is sealed and protected;

sixth, make at polished rod 88 swing simultaneously, can drive brush board 893 and clean monitor 84 surface, brush board 893 can press pressure spring 892 to produce deformation shrink simultaneously, absorbs brush board 893 upper end polarization to stopper 894 can block spacingly to clean frame 891, prevents that clean frame 891 displacement is too big, has reached and can clean monitor 84 surface fast.

The invention provides a real-time monitoring and disaster early warning device for subway shield construction risks through improvement, a turnover detection mechanism 6 is arranged at the upper end of a connecting rod 5, a swing mechanism 62 drives a swing rod 63 to swing anticlockwise on the inner side of a movable seat 61, so that the swing rod 63 drives a detection head 656 to incline, the detection direction can be adjusted, meanwhile, a lifting mechanism 65 pushes the detection head 656 out, the detection head 656 is contacted with the ground, the ground vibration force during subway shield construction is detected, and the advantages of quickly adjusting the detection angle and retracting and releasing the detection head 656 are achieved; the swing mechanism 62 is arranged at the upper end of the turnover detection mechanism 6, the telescopic cylinder 623 performs telescopic motion, the crank 624 drives the turntable 625 to rotate, and the turntable 625 drives the swing rod 63 to rotate through the rotating shaft 626, so that the advantage of quickly adjusting the detection angle is achieved; the lifting mechanism 65 is arranged at the upper end of the turnover detection mechanism 6, the first motor 653 is electrified to work to drive the first movable rod 654 to rotate anticlockwise, so that the first movable rod 654 pushes the detection head 656 to move towards the outer side of the mounting frame 652 through the second movable rod 655, and meanwhile, when the detection head 656 moves, the folding rod 657 can be extended, the detection head 656 can stably move, and the advantage of quickly adjusting the height of the detection head 656 is achieved; by arranging the protection monitoring mechanism 8 at the upper end of the telescopic rod 7, when the monitoring head 84 is not used, the second motor 87 is electrified to work to drive the polish rod 88 to rotate anticlockwise, so that the polish rod 88 drives the moving block 85 to move on the inner side of the guide rail 83, the moving block 85 pulls the shielding cloth 865 to extend, the shielding cloth 865 covers the front end of the retraction frame 81 to seal and protect the monitoring head 84, and meanwhile, when the polish rod 88 swings, the cleaning mechanism 89 is driven to clean the surface of the monitoring head 84, so that the advantage of quickly protecting the monitoring head 84 is achieved; through having set up clean mechanism 89 in protection monitoring mechanism 8 upper end, make in the swing of polished rod 88, can drive brush board 893 and clean monitor 84 surface, brush board 893 can press pressure spring 892 to produce the shrink of deformation simultaneously, absorb brush board 893 upper end polarization, and stopper 894 can block spacingly to clean frame 891, prevent that clean frame 891 displacement is too big, reached and to carry out abluent advantage fast to monitor 84 surface.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

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.