Settlement detection equipment for shield tunneling machine underneath passing existing railway subgrade

Abstract

The utility model discloses settlement detection equipment for a shield machine passing through an existing railway subgrade, and particularly relates to the technical field of subgrade settlement detection, the settlement detection equipment comprises a supporting seat, the top of the supporting seat is provided with a distance measuring sensor used for settlement of the shield machine passing through the existing railway subgrade, and the distance measuring sensor is provided with a functional assembly used for detecting height and conveniently adjusting. The motor is matched with the threaded rod to drive the lifting plate to move up and down, the lifting plate drives the gear on the supporting shaft and the driving belt wheel to move together through the fixing support, and the gear drives the driving belt wheel on the supporting shaft to rotate through the meshed rack. The driving belt wheel drives a linkage shaft on a driven belt wheel to rotate through a belt, so that the movable plate can rotate forwards and backwards while moving up and down along with the lifting plate, the effect of overall unfolding for use or folding for storage and transportation can be achieved, and the situation that transportation and operation are affected due to large occupied space can be avoided; and the transportation convenience and the operation convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed settlement detection, in particular to a roadbed settlement detection device for a shield machine passing under an existing railway. Background Art

[0002] Shield tunneling under existing railways is a common construction method in urban rail transit construction. This method mainly uses shield machines to construct tunnels underground to avoid affecting ground traffic and buildings. The roadbed is very important for construction, but the roadbed will settle during the construction process, which is likely to have a certain impact on the subsequent treatment and project quality, so it is necessary to conduct settlement detection on the roadbed.

[0003] As shown in the application document with the prior art publication number CN217210842U, it includes a driving device and a detection device, the top of the driving device is fixedly installed with one end of the detection device, and the driving device includes a driving body, a rotating plate and a controller. This technical solution sets up a detection device, and the camera uses a scanning shooting method parallel to the road to take images of the road surface and both sides. The distance sensor can sense and record the distance from the road surface in real time. The detection personnel judge the settlement position and settlement value data of the road subgrade by combining the moving speed of the driving device, the recording time of the timing display, the distance data of the distance sensor, and the image information captured by the camera, etc., and can automatically detect the settlement value of the road subgrade, avoiding the problem of interfering with traffic and having safety risks during manual detection. The combination of the driving device and the detection device improves the settlement detection efficiency of the road subgrade and improves the practicality of the settlement detection device.

[0004] However, the control rod used to support the distance measuring sensor in the above technical solution is too long, so that the overall structural space of the technical solution is too large, which is inconvenient for staff to operate and transport, resulting in certain limitations of the technical solution. Utility Model Content

[0005] To this end, an embodiment of the utility model provides a shield tunneling under an existing railway subgrade settlement detection device to solve the problem in the prior art that the control rod supporting the ranging sensor is too long, which makes the overall structure space too large, making it inconvenient for staff to operate and transport.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides the following technical solutions: a device for detecting the subsidence of an existing railway subgrade when a shield machine is passing through, comprising a support seat, a distance measuring sensor for the subsidence of an existing railway subgrade when a shield machine is passing through the top of the support seat, and the distance measuring sensor is provided with a functional component for conveniently adjusting the detection height;

[0007] The functional component includes a support plate with a support groove on the top, a threaded rod movably connected by a bearing is installed inside the support groove, and a lifting plate penetrating the support groove is externally threadedly connected to the top of the threaded rod, a movable plate movably connected by a rotating shaft is provided inside the top of the lifting plate, and the distance measuring sensor is installed on the top of the movable plate away from the lifting plate;

[0008] A support shaft is provided on one side of the bottom end of the support plate, a gear and a driving pulley are sleeved on the outside of the support shaft, and a rack is meshed on the rear side of the gear, the driving pulley is provided on the side of the gear close to the support plate, a driven pulley is provided on the top of the driving pulley, and a linkage shaft that passes through the lifting plate and is connected to the movable plate is provided on one side of the driven pulley, a belt is provided between the driving pulley and the driven pulley, and the driving pulley and the driven pulley are connected by the belt.

[0009] Furthermore, a mounting hole is formed inside the bottom end of the support plate, a motor is installed at the top of the inner cavity of the mounting hole, the output shaft of the motor passes through the support plate and is fixed to the bottom end of the threaded rod; the bottom end of the movable plate and the ranging sensor are both arranged inside the mounting hole.

[0010] Furthermore, a mounting bracket is installed on one side of the support plate close to the gear, the driving pulley, belt, gear and rack are all arranged inside the mounting bracket, and the rack is installed inside the rear end of the mounting bracket.

[0011] Furthermore, the cross-section of the mounting bracket is set to be U-shaped.

[0012] Furthermore, the cross-sections of the lifting plate and the supporting groove are both set to be rectangular, and the outer portion of the lifting plate is in contact with the inner wall of the supporting groove.

[0013] Furthermore, a handle is installed on a side of the support plate away from the mounting bracket.

[0014] Furthermore, a fixing bracket is movably mounted on the outside of one end of the support shaft close to the support plate through a bearing, and the top end of the fixing bracket is fixed to one side of the top end of the lifting plate.

[0015] Furthermore, a plurality of self-locking universal wheels are installed at the bottom end of the support seat, and the plurality of self-locking universal wheels are evenly spaced apart.

[0016] The utility model embodiment has the following advantages:

[0017] The lifting plate is driven up and down by the cooperation of the motor and the threaded rod. The lifting plate drives the gear and the driving pulley on the supporting shaft to move together with the help of the fixed bracket. The gear drives the driving pulley on the supporting shaft to rotate through the meshing rack. The driving pulley drives the linkage shaft on the driven pulley to rotate with the help of the belt. In this way, the movable plate can rotate forward and reverse while moving up and down with the lifting plate, thereby achieving the effect of overall unfolding for use or folding for storage and transportation, thereby avoiding affecting transportation and operation due to large space occupation, and improving transportation convenience and operation convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a rear view of the support plate of the utility model;

[0022] Figure 3 It is a side sectional view of the support plate of the utility model;

[0023] Figure 4 For the utility model Figure 3 Enlarged view of part A in the middle;

[0024] Figure 5 This is a schematic diagram of the movable plate of the utility model after adjustment.

[0025] In the figure: 1. Support seat; 2. Distance sensor; 3. Support plate; 4. Support groove; 5. Threaded rod; 6. Lifting plate; 7. Movable plate; 8. Support shaft; 9. Gear; 10. Driving pulley; 11. Rack; 12. Driven pulley; 13. Linkage shaft; 14. Belt; 15. Mounting hole; 16. Motor; 17. Mounting bracket; 18. Handle; 19. Fixed bracket; 20. Self-locking universal wheel. DETAILED DESCRIPTION

[0026] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Refer to the instruction manual Figure 1-5 The utility model provides a device for detecting the subsidence of an existing railway embankment when a shield machine is passing through the embankment, comprising a support seat 1, a distance measuring sensor 2 for detecting the subsidence of an existing railway embankment when a shield machine is passing through the embankment is arranged on the top of the support seat 1, and the distance measuring sensor 2 is provided with a functional component for conveniently adjusting the detection height;

[0028] like Figure 3 and 4 As shown, the functional component includes a support plate 3 with a support groove 4 on the top, a threaded rod 5 movably connected by a bearing is installed inside the support groove 4, and a lifting plate 6 penetrating the support groove 4 is externally threadedly connected to the top of the threaded rod 5, and a movable plate 7 movably connected by a rotating shaft is provided inside the top of the lifting plate 6, and the distance measuring sensor 2 is installed on the top of the movable plate 7 away from the lifting plate 6; a support shaft 8 is provided on one side of the bottom end of the support plate 3, a gear 9 and a driving pulley 10 are sleeved on the outside of the support shaft 8, and a rack 11 is meshed on the rear side of the gear 9, the driving pulley 10 is arranged on the side of the gear 9 close to the support plate 3, a driven pulley 12 is provided on the top of the driving pulley 10, and a linkage shaft 13 penetrating the lifting plate 6 and connected to the movable plate 7 is provided on one side of the driven pulley 12, a belt 14 is provided between the driving pulley 10 and the driven pulley 12, and the driving pulley 10 and the driven pulley 12 are connected by the belt 14.

[0029] As shown in 1, 2, 3 and 5, a mounting hole 15 is formed inside the bottom end of the support plate 3, and a motor 16 is installed on the top of the inner cavity of the mounting hole 15. The output shaft of the motor 16 passes through the support plate 3 and is fixed to the bottom end of the threaded rod 5; the bottom end of the movable plate 7 and the ranging sensor 2 are both arranged inside the mounting hole 15, and through the connection between the output shaft of the motor 16 and the threaded rod 5, the motor 16 can drive the lifting plate 6 limited by the support groove 4 to move up and down, so that the ranging sensor 2 can be deployed and used later.

[0030] like Figure 1 , 2As shown in Figure 5, a mounting bracket 17 is installed on the side of the support plate 3 close to the gear 9, and the driving pulley 10, belt 14, gear 9 and rack 11 are all arranged inside the mounting bracket 17, and the rack 11 is installed inside the rear end of the mounting bracket 17. Through the setting of the mounting bracket 17, it is convenient to shield the stored driving pulley 10, driven pulley 12, belt 14, gear 9 and rack 11, and it is also convenient to support the rack 11 to ensure the stability of the gear 9 when it engages with the rack 11. The cross-section of the mounting bracket 17 is set to be U-shaped. By setting the mounting bracket 17 to be U-shaped, the mounting bracket 17 can shield the driving pulley 10, driven pulley 12, belt 14, gear 9 and rack 11.

[0031] like Figure 3 As shown, the cross-section of the lifting plate 6 and the cross-section of the support groove 4 are both set to be rectangular, and the outer side of the lifting plate 6 is in contact with the inner wall of the support groove 4. By setting the cross-section of the lifting plate 6 and the cross-section of the support groove 4 to be rectangular, the support groove 4 can limit the lifting plate 6 to ensure the stability of the lifting plate 6 when it moves up and down, and avoid deviation.

[0032] like Figure 2 As shown, a handle 18 is installed on the side of the support plate 3 away from the mounting bracket 17. Through the connection between the handle 18 and the support plate 3, the staff can operate the handle 18 to push the support base 1 supported by the self-locking universal wheel 20 to move.

[0033] like Figure 3 and 4 As shown, a fixed bracket 19 is movably installed on the outside of one end of the support shaft 8 close to the support plate 3 through a bearing, and the top of the fixed bracket 19 is fixed to one side of the top of the lifting plate 6. Through the connection between the fixed bracket 19 and the lifting plate 6, the gear 9, the support shaft 8 and the driving pulley 10 can move up and down with the lifting plate 6.

[0034] like Figure 1 and 2 As shown, a plurality of self-locking universal wheels 20 are installed at the bottom end of the support seat 1, and the plurality of self-locking universal wheels 20 are evenly spaced apart. The arrangement of the plurality of self-locking universal wheels 20 can facilitate the staff to push the utility model to move.

[0035] The threaded rod 5 is driven to rotate by the motor 16, and the threaded rod 5 drives the lifting plate 6 limited by the support groove 4 to move up. The lifting plate 6 drives the gear 9 and the driving pulley 10 on the support shaft 8 to move up with the help of the fixed bracket 19, and the gear 9 drives the driving pulley 10 on the support shaft 8 to rotate through the meshing rack 11, and the driving pulley 10 drives the linkage shaft 13 on the driven pulley 12 to rotate with the help of the belt 14, so that the movable plate 7 can be rotated while moving up with the lifting plate 6, so that the distance sensor 2 can be deployed for use;

[0036] After use, when the lifting plate 6 drives the movable plate 7 to move downward, the gear 9 engages with the rack 11 to drive the driving pulley 10 on the support shaft 8 to reverse, and the driving pulley 10 then drives the linkage shaft 13 on the driven pulley 12 to rotate with the help of the belt 14, thereby allowing the movable plate 7 to drive the ranging sensor 2 to rotate inward for storage, and thereby achieve folding and storage of the overall structure, avoiding large space occupation and affecting transportation and operation, and improving transportation convenience and operation convenience.

[0037] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. A shield tunneling underpass existing railway subgrade settlement detection device, comprising a support base (1), characterized in that: The top of the support seat (1) is provided with a distance measuring sensor (2) for detecting the settlement of the existing railway embankment when the shield machine passes through, and the distance measuring sensor (2) is provided with a functional component for detecting the height and conveniently adjusting the height; The functional component comprises a support plate (3) with a support groove (4) on the top, a threaded rod (5) movably connected via a bearing is installed inside the support groove (4), and a lifting plate (6) penetrating the support groove (4) is externally threadedly connected to the top of the threaded rod (5), a movable plate (7) movably connected via a rotating shaft is provided inside the top of the lifting plate (6), and the distance measuring sensor (2) is installed on the top of the movable plate (7) away from the lifting plate (6); A support shaft (8) is provided at one side of the bottom end of the support plate (3), a gear (9) and a driving pulley (10) are sleeved on the outside of the support shaft (8), and a rack (11) is meshed on the rear side of the gear (9), the driving pulley (10) is provided on the side of the gear (9) close to the support plate (3), a driven pulley (12) is provided on the top of the driving pulley (10), and a linkage shaft (13) is provided on one side of the driven pulley (12) that penetrates the lifting plate (6) and is connected to the movable plate (7), a belt (14) is provided between the driving pulley (10) and the driven pulley (12), and the driving pulley (10) and the driven pulley (12) are connected by the belt (14).

2. The equipment for detecting subsidence of an existing railway subgrade when a shield machine passes through the subgrade according to claim 1 is characterized in that: A mounting hole (15) is formed inside the bottom end of the support plate (3), a motor (16) is installed at the top of the inner cavity of the mounting hole (15), and an output shaft of the motor (16) passes through the support plate (3) and is fixed to the bottom end of the threaded rod (5); The bottom end of the movable plate (7) and the distance measuring sensor (2) are both arranged inside the mounting hole (15).

3. The equipment for detecting subsidence of an existing railway subgrade when a shield machine is passing through according to claim 1 is characterized in that: A mounting bracket (17) is installed on one side of the support plate (3) close to the gear (9); the driving pulley (10), the belt (14), the gear (9) and the rack (11) are all arranged inside the mounting bracket (17); and the rack (11) is installed inside the rear end of the mounting bracket (17).

4. The equipment for detecting subsidence of an existing railway subgrade when a shield machine passes through the subgrade according to claim 3 is characterized in that: The cross section of the mounting bracket (17) is set to be U-shaped.

5. The equipment for detecting subsidence of an existing railway subgrade when a shield machine passes through the subgrade according to claim 1 is characterized in that: The cross-sections of the lifting plate (6) and the supporting groove (4) are both set to be rectangular, and the outside of the lifting plate (6) is in contact with the inner wall of the supporting groove (4).

6. The equipment for detecting subsidence of an existing railway subgrade when a shield machine is passing through according to claim 1 is characterized in that: A handle (18) is mounted on a side of the support plate (3) away from the mounting bracket (17).

7. The equipment for detecting subsidence of an existing railway subgrade when a shield machine passes through the subgrade according to claim 1 is characterized in that: A fixing bracket (19) is movably mounted on the outside of one end of the support shaft (8) close to the support plate (3) via a bearing, and the top end of the fixing bracket (19) is fixed to one side of the top end of the lifting plate (6).

8. The equipment for detecting subsidence of an existing railway subgrade when a shield machine is passing through according to claim 1 is characterized in that: A plurality of self-locking universal wheels (20) are installed at the bottom end of the support seat (1), and the plurality of self-locking universal wheels (20) are evenly spaced and distributed.

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