Track deformation monitoring device based on three-dimensional laser scanner

Abstract

The utility model provides a track deformation monitoring device based on a three-dimensional laser scanner, which comprises a cross beam, the cross beam is positioned above a first track, the bottom end of the cross beam is provided with at least one support frame, the bottom end of the support frame is rotatably connected with a grooved wheel, the grooved wheel is clamped on the top edge of the first track, and the top edge of the first track is provided with a groove. The three-dimensional laser scanner body is connected with the sliding plate through a connecting piece, according to the track deformation monitoring device, the grooved wheel at the bottom of the supporting frame is driven by the cross beam to move in the laying direction of the first track, the three-dimensional laser scanner body scans the first track, and the three-dimensional laser scanner body is connected with the sliding plate through a connecting piece. According to the three-dimensional laser scanner, the traditional mode that a three-dimensional laser scanner body is held by hands for scanning is changed, the situation that the scanning effect is affected due to fatigue of workers when the three-dimensional laser scanner body is used for a long time is prevented, and the stability of the three-dimensional laser scanner in use is improved through rolling of the grooved wheel along the first track.

Description

TECHNICAL FIELD

[0001] The utility model relates to track deformation monitoring device technical field especially is involved in a kind of track deformation monitoring device based on three-dimensional laser scanner. BACKGROUND

[0002] Three-dimensional laser scanner is a kind of high-precision stereoscopic scanning technology, the principle of laser ranging is passed through, records the three-dimensional coordinate information and reflectivity information of the dense point of the surface of measured object, and various large, complex, irregular entity or real scene Three-dimensional data is integrated into computer, and then the three-dimensional model of measured target and line, surface, body and various drawing data are quickly reconstructed.

[0003] Among them, when using three-dimensional laser scanner to monitor the deformation of track, it is necessary to manually hold three-dimensional laser scanner and slowly move along the track to be monitored to collect the data of track, and when collecting track data for a long distance, the stability of three-dimensional laser scanner is affected when using the manual holding method, and the working intensity of workers is increased. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of track deformation monitoring device based on three-dimensional laser scanner, which solves the problem of affecting the stability of three-dimensional laser scanner when using the manual holding method and increasing the working intensity of workers.

[0005] The utility model provides a kind of track deformation monitoring device based on three-dimensional laser scanner, which includes:

[0006] The beam is located above the first track, and the T-shaped through slot of the beam is inserted with a sliding plate, the sliding plate is provided with a positioning pin, and the sliding plate is connected with the beam through the positioning pin;

[0007] The bottom end of the beam is provided with at least one support frame, the support frame is located between the beam and the first track, the bottom end of the support frame is rotatably connected with a groove wheel, and the groove wheel is clamped on the top edge of the first track;

[0008] The three-dimensional laser scanner body is connected with the sliding plate through the connecting piece, and the three-dimensional laser scanner body can move along the laying direction of the first track.

[0009] Preferably, the beam is further provided with an auxiliary moving part, and the auxiliary moving part includes:

[0010] The compensation receiving beam is connected with the T-shaped through groove of the cross beam, and the slide plate can move along the T-shaped through groove to the direction of the second track, so that the three-dimensional laser scanner body at the bottom end of the slide plate scans the second track;

[0011] Two strip limiting plates are inserted into the strip groove of the compensation receiving beam.

[0012] A U-shaped gantry is fixedly connected with the strip limiting plate through the top end groove, and at least one auxiliary roller is rotatably connected with the bottom end of the U-shaped gantry.

[0013] The outer periphery of the auxiliary roller abuts against the edge of the second track, and the auxiliary roller can roll along the edge of the second track as the cross beam moves.

[0014] Preferably, the U-shaped gantry and the compensation receiving beam are connected through an adjusting piece; the adjusting piece comprises:

[0015] A fixed plate is fixedly connected with the compensation receiving beam.

[0016] A transmission shaft is threadedly connected with the fixed plate, one end of the transmission shaft is fixedly connected with a hand wheel, and the other end of the transmission shaft is connected with the U-shaped gantry through a bearing.

[0017] Preferably, the connecting piece comprises:

[0018] A mounting support is used for mounting the three-dimensional laser scanner body.

[0019] A connecting plate is fixed at the closed end of the mounting support, a fixed disc is hingedly connected to the end of the connecting plate away from the mounting support, the connecting plate is provided with a latch, and the connecting plate is connected with the fixed disc through the latch.

[0020] The fixed disc is uniformly provided with a plurality of clamping grooves matched with the latch.

[0021] A telescopic piece is located between the fixed disc and the slide plate, and is used for adjusting the use height of the fixed disc.

[0022] Preferably, the telescopic piece comprises:

[0023] A sleeve is fixedly connected with the top end of the slide plate, a slide rod is inserted into the cavity of the sleeve, and the bottom end of the slide rod is fixedly connected with the fixed disc.

[0024] A circular plate is arranged in the cavity of the sleeve, the circular plate is fixedly connected with the top end of the slide rod, and the circular plate is connected with the sleeve through a limiting pin arranged on the circular plate;

[0025] An elastic member is sleeved on the outer periphery of the slide rod, and the elastic member is arranged between the circular plate and the sleeve.

[0026] Preferably, the elastic member is a compression spring.

[0027] Preferably, a spring plate is arranged in the inner cavity of the mounting support, and the spring plate limits the mounting position of the three-dimensional laser scanner body.

[0028] Preferably, the strip-shaped limiting plates are symmetrically distributed based on the compensation bearing beam.

[0029] Preferably, the hand wheel is provided with a handle, and a rubber ring is arranged on the handle.

[0030] Preferably, a sliding groove is formed in the sleeve, and the sliding groove is used for restricting the movement direction of the limiting pin.

[0031] The utility model provides a track deformation monitoring device based on three -dimensional laser scanner:

[0032] Through the cooperation of the cross beam, the support frame, the groove wheel, the sliding plate, the positioning pin, the three -dimensional laser scanner body, the connecting piece and the like, the three -dimensional laser scanner body is connected through the connecting piece and the sliding plate, then the sliding plate is inserted into the T type through groove of the cross beam, the groove wheel is clamped on the top edge of the first track, the cross beam drives the support frame to move, and then the groove wheel at the bottom of the support frame moves along the laying direction of the first track, the three -dimensional laser scanner body scans the first track, changes the scanning mode of the traditional handheld three -dimensional laser scanner body, prevents the staff from appearing fatigue and influencing the scanning effect when using the three -dimensional laser scanner body for a long time, and improves the stability when using the three -dimensional laser scanner through the rolling of the groove wheel along the first track. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0034] Figure 1 It is a structural schematic diagram of the utility model;

[0035] Figure 2 It is Figure 1Structure schematic view of support frame, groove wheel, sliding plate and three-dimensional laser scanner body;

[0036] Figure 3 For Figure 2 Sectional view of sleeve;

[0037] Figure 4 For Figure 3 Structure schematic view of mounting support, connecting plate, bolt and fixing disc;

[0038] Figure 5 For Figure 1 Structure schematic view of strip-shaped limiting plate, U-shaped gantry, auxiliary roller and adjusting piece.

[0039] Explanation of reference signs:

[0040] 1-cross beam, 11-support frame, 12-groove wheel, 13-sliding plate, 131-positioning pin, 2-three-dimensional laser scanner body, 21-connecting piece, 211-mounting support, 211a-spring plate, 212-connecting plate, 212a-bolt, 213-fixing disc, 214-elastic piece, 214a-sleeve, 214b-sliding rod, 214c-round plate, 214d-elastic piece, 214e-limiting pin, 3-assistant moving piece, 31-strip-shaped limiting plate, 32-U-shaped gantry, 33-auxiliary roller, 34-adjusting piece, 341-fixing plate, 342-transmission shaft, 343-hand wheel, 35-compensation receiving beam. DETAILED DESCRIPTION

[0041] The technical solutions of the present application will be described clearly and completely below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0043] In the description of the utility model, it is understood that the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited. In addition, the terms "mounting", "connecting" and "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0044] In this embodiment, as shown in Figure 1 and Figure 2 A track deformation monitoring device based on a three-dimensional laser scanner, comprising: a crossbeam 1 located above the first track, a T-shaped through slot in the crossbeam 1 is inserted with a sliding plate 13, the sliding plate 13 is provided with a positioning pin 131, the sliding plate 13 is connected with the crossbeam through the positioning pin 131, at least one support frame 11 is arranged at the bottom end of the crossbeam 1, the support frame 11 is located between the crossbeam 1 and the first track, a groove wheel 12 is rotatably connected to the bottom end of the support frame 11, the groove wheel 12 is clamped on the top edge of the first track, a three-dimensional laser scanner body 2 is connected with the sliding plate 13 through a connecting piece 21, and the three-dimensional laser scanner body 2 can move along the laying direction of the first track.

[0045] Therefore, the three-dimensional laser scanner body 2 is connected with the sliding plate 13 through the connecting piece 21, then the sliding plate 13 is inserted into the T-shaped through slot of the crossbeam 1, the sliding plate 13 and the crossbeam 1 are connected by using the positioning pin 131, then the groove wheel 12 is clamped on the top edge of the first track, the support frame 11 is moved by the crossbeam 1, and then the groove wheel 12 at the bottom of the support frame 11 moves along the laying direction of the first track, the three-dimensional laser scanner body 2 scans the first track, the scanning mode of the traditional handheld three-dimensional laser scanner body 2 is changed, and the scanning effect is affected by the fatigue of the staff when the three-dimensional laser scanner body 2 is used for a long time.

[0046] Specifically, a T-shaped through slot is processed in the crossbeam 1, the support frame 11 is provided with two and is symmetrically distributed based on the crossbeam 1, the groove of the groove wheel 12 is clamped on the top edge of the first track, so as to drive the crossbeam 1 and the support frame 11 to move, and the top end of the sliding plate 13 is equidistantly distributed with threaded holes, the threaded holes and the positioning pin 131 are matched, and the design of the positioning pin 131 facilitates the adjustment of the installation position of the sliding plate 13 in the crossbeam 1 when the crossbeam 1 is used alone.

[0047] In some embodiments, as shown in Figure 5 The beam 1 is further configured with an auxiliary moving part 3, which comprises a compensation receiving beam 35, a T-shaped through slot of the compensation receiving beam 35 is in communication with a T-shaped through slot of the beam 1, the slide plate 13 can move along the T-shaped through slot to the direction of the second track, so that the three-dimensional laser scanner body 2 at the bottom end of the slide plate 13 scans the second track, two strip limiting plates 31, both of which are inserted into the strip slot of the compensation receiving beam 35, a U-shaped gantry 32, the top end groove of the U-shaped gantry 32 is fixedly connected with the strip limiting plate 31, and at least one auxiliary roller 33 is rotatably connected to the bottom end of the U-shaped gantry 32, the outer periphery of the auxiliary roller 33 abuts against the edge of the second track, and the auxiliary roller 33 can roll along the edge of the second track as the beam 1 moves.

[0048] Specifically, the design that the T-shaped through slot of the compensation receiving beam 35 is in communication with the T-shaped through slot of the beam 1 facilitates the movement of the slide plate 13 and the three-dimensional laser scanner body 2 to the direction of the second track, the U-shaped gantry 32 is used for mounting the auxiliary roller 33, the side wall of the auxiliary roller 33 is in abutment with the second track, the auxiliary roller 33 can move along the side wall of the second track as the compensation receiving beam 35 moves, and the stability of the overall mechanism is increased.

[0049] In some embodiments, as shown in Figure 5 The U-shaped gantry 32 and the compensation receiving beam 35 are connected through an adjusting part 34; the adjusting part 34 comprises a fixed plate 341 fixedly connected with the compensation receiving beam 35, a transmission shaft 342 threadedly connected with the fixed plate 341, and a hand wheel 343 fixedly connected to one end of the transmission shaft 342 and connected with the U-shaped gantry 32 through a bearing at the other end of the transmission shaft 342.

[0050] Specifically, an inner threaded hole matched with the transmission shaft 342 is formed in the fixed plate 341, and a thread is formed on the outer periphery of the transmission shaft 342, the transmission shaft 342 moves in the fixed plate 341 to push the U-shaped gantry 32 to move laterally, and the fixed plate 341 and the transmission shaft 342 have a locking effect, so as to fix the distance between the U-shaped gantry 32 and the compensation receiving beam 35.

[0051] In some embodiments, as shown in Figure 3As shown, the connecting piece 21 comprises a mounting support 211 for mounting the three-dimensional laser scanner body 2, a connecting plate 212 fixed at the closed end of the mounting support 211, a fixing disc 213 hinged at the end of the connecting plate 212 away from the mounting support 211, the connecting plate 212 is provided with a latch 212a, the connecting plate 212 is connected with the fixing disc 213 through the latch 212a, the fixing disc 213 is uniformly distributed with a plurality of clamping grooves matched with the latch 212a, and a telescopic piece 214 located between the fixing disc 213 and the sliding plate 13, the telescopic piece 214 is used to adjust the use height of the fixing disc 213.

[0052] The cavity of the mounting support 211 is matched with the three-dimensional laser scanner body 2, the connecting plate 212 connects the mounting support 211 with the fixing disc 213, the outer periphery of the latch 212a is processed with threads, the fixing disc 213 is uniformly distributed with clamping grooves for installing the latch 212a, the latch 212a is connected with different clamping grooves to change the corresponding direction of the mounting support 211 on the connecting plate 212, so as to adjust the use position of the three-dimensional laser scanner body 2.

[0053] In some embodiments, as shown in Figure 3 As shown, the telescopic piece 214 comprises a sleeve 214a, the top end of the sleeve 214a is fixedly connected with the sliding plate 13, a sliding rod 214b is inserted into the cavity of the sleeve 214a, the bottom end of the sliding rod 214b is fixedly connected with the fixing disc 213, a circular plate 214c is located in the cavity of the sleeve 214a, the circular plate 214c is fixedly connected with the top end of the sliding rod 214b, the circular plate 214c is provided with a limiting pin 214e, the circular plate 214c is connected with the sleeve 214a through the limiting pin 214e, and an elastic piece 214d is sleeved on the outer periphery of the sliding rod 214b, the elastic piece 214d is located between the circular plate 214c and the sleeve 214a.

[0054] Specifically, a cavity is processed in the sleeve 214a, a through hole matched with the sliding rod 214b is processed at the bottom end of the sleeve 214a, the sliding rod 214b is used to drive the fixing disc 213 to move, and the circular plate 214c is used to constrain the use position of the elastic piece 214d. By moving the sliding rod 214b with the fixing disc 213, the use position of the fixing disc 213 can be adjusted.

[0055] In some embodiments, as shown in Figure 3 As shown, the elastic piece 214d is a compression spring.

[0056] Specifically, the elastic piece 214d adopts the design of a compression spring, which is convenient for driving the sliding rod 214b in the sleeve 214a to reset.

[0057] In some embodiments, as shown in Figure 4As shown, the inner cavity of the mounting support 211 is configured with spring plates 211a, which limit the mounting position of the three-dimensional laser scanner body 2.

[0058] The spring plates 211a are designed in two, and have plasticity, and are located between the three-dimensional laser scanner body 2 and the mounting support 211.

[0059] In some embodiments, as shown in the drawings, Figure 5 As shown, the strip-shaped limiting plates 31 are symmetrically distributed based on the compensation support beam 35.

[0060] The strip-shaped limiting plates 31 are provided in two, and two strip-shaped grooves matched with the strip-shaped limiting plates 31 are processed in the compensation support beam 35, and the design of the strip-shaped limiting plates 31 restricts the transverse movement of the U-shaped gantry 32.

[0061] In some embodiments, as shown in the drawings, Figure 5 As shown, the hand wheel 343 is configured with a handle, and the handle is configured with a rubber ring.

[0062] The design of the hand wheel 343 is used to drive the rotation of the transmission shaft 342, and the rubber ring is additionally provided on the handle of the hand wheel 343 to increase the friction between the handle and the hand.

[0063] In some embodiments, as shown in the drawings, Figure 3 As shown, a sliding groove is processed in the sleeve 214a, and the sliding groove is used to restrict the movement direction of the limiting pin 214e.

[0064] The sliding groove in the sleeve 214a is matched with the limiting pin 214e, and the sliding groove in the sleeve 214a is in a vertical direction, which restricts the limiting pin 214e to move only up and down.

[0065] The working principle of the present application will be described below with a preferred embodiment:

[0066] First, the three-dimensional laser scanner body 2 is installed in the inner cavity of the mounting support 211, then the groove wheel 12 is clamped on the top edge of the first track, the support frame 11 is moved by the cross beam 1, and then the groove wheel 12 at the bottom of the support frame 11 moves along the laying direction of the first track, the three-dimensional laser scanner body 2 scans the first track, the sliding rod 214b in the sleeve 214a moves downward, the sliding rod 214b drives the circular plate 214c to compress the elastic member 214d in the sleeve 214a, and the limiting pin 214e fixes the use position of the circular plate 214c, at the same time, the sliding rod 214b drives the fixed disc 213 to move, and the fixed disc 213 changes the use height of the three-dimensional laser scanner body 2 through the connecting plate 212, so as to scan different positions of the first track.

[0067] When the second track needs to be scanned, the compensation support beam 35 and the cross beam 1 are connected together, the hand wheel 343 drives the transmission shaft 342 to move in the fixed plate 341, the transmission shaft 342 drives the U-shaped gantry 32 to move, the U-shaped gantry 32 drives the strip-shaped limiting plate 31 to move in the compensation support beam 35, the auxiliary roller 33 at the bottom end of the U-shaped gantry 32 abuts against the second track, then the connecting plate 212 is rotated in the fixed disc 213, the connecting plate 212 drives the three-dimensional laser scanner body 2 to align with the second track, the position of the fixed disc 213 and the connecting plate 212 is fixed by using the bolt 212a, when the cross beam 1 is moved again, the three-dimensional laser scanner body 2 moves along the laying direction of the second track, so as to scan the second track.

[0068] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A track deformation monitoring device based on a three-dimensional laser scanner, characterized in that, include: A crossbeam (1) is located above the first track. A slide plate (13) is inserted into the T-shaped through groove of the crossbeam (1). The slide plate (13) is equipped with a positioning pin (131). The slide plate (13) is connected to the crossbeam (1) through the positioning pin (131). At least one support frame (11) is provided at the bottom end of the crossbeam (1). The support frame (11) is located between the crossbeam (1) and the first track. A grooved wheel (12) is rotatably connected to the bottom end of the support frame (11). The grooved wheel (12) is locked on the top edge of the first track. The three-dimensional laser scanner body (2) is connected to the slide plate (13) via a connector (21), and the three-dimensional laser scanner body (2) can move along the laying direction of the first track.

2. The track deformation monitoring device based on a three-dimensional laser scanner according to claim 1, characterized in that, The crossbeam (1) is also equipped with an auxiliary moving part (3), which includes: The compensation support beam (35) has a T-shaped through groove connected to the T-shaped through groove of the crossbeam (1). The slide plate (13) can move along the T-shaped through groove toward the second track so that the three-dimensional laser scanner body (2) located at the bottom of the slide plate (13) can scan the second track. Two strip-shaped limiting plates (31) are inserted into the strip groove of the compensating support beam (35); U-shaped gantry frame (32), the top groove of the U-shaped gantry frame (32) is fixedly connected to the strip limiting plate (31), and at least one auxiliary roller (33) is rotatably connected to the bottom end of the U-shaped gantry frame (32). The outer periphery of the auxiliary roller (33) abuts against the edge of the second track, and the auxiliary roller (33) can roll along the edge of the second track as the crossbeam (1) moves.

3. The track deformation monitoring device based on a three-dimensional laser scanner according to claim 2, characterized in that, The U-shaped gantry frame (32) and the compensating support beam (35) are connected by an adjusting member (34); the adjusting member (34) includes: A fixing plate (341) is fixedly connected to the compensating support beam (35); A drive shaft (342) is internally threaded to the fixed plate (341). A handwheel (343) is fixedly connected to one end of the drive shaft (342), and the other end of the drive shaft (342) is connected to the U-shaped gantry frame (32) through a bearing.

4. The track deformation monitoring device based on a three-dimensional laser scanner according to claim 1, characterized in that, The connector (21) includes: Mounting bracket (211) is used to mount the three-dimensional laser scanner body (2). A connecting plate (212) is fixed to the sealing end of the mounting bracket (211). A fixing plate (213) is hinged to the end of the connecting plate (212) away from the mounting bracket (211). The connecting plate (212) is equipped with a pin (212a). The connecting plate (212) is connected to the fixing plate (213) through the pin (212a). The fixing plate (213) has a plurality of slots that are evenly distributed to match the pin (212a); Telescopic component (214) is located between the fixed plate (213) and the sliding plate (13), and the telescopic component (214) is used to adjust the working height of the fixed plate (213).

5. The track deformation monitoring device based on a three-dimensional laser scanner according to claim 4, characterized in that, The telescopic component (214) includes: A sleeve (214a) is fixedly connected to the top end of the sleeve (214a) and the slide plate (13). A slide rod (214b) is inserted into the cavity of the sleeve (214a) and the bottom end of the slide rod (214b) is fixedly connected to the fixed plate (213). A circular plate (214c) is located in the cavity of the sleeve (214a). The top end of the circular plate (214c) is fixedly connected to the top end of the slide rod (214b). The circular plate (214c) is equipped with a limiting pin (214e). The circular plate (214c) is connected to the sleeve (214a) through the limiting pin (214e). An elastic element (214d) is sleeved on the outer periphery of the slide rod (214b) and the elastic element (214d) is located between the circular plate (214c) and the sleeve (214a).

6. The track deformation monitoring device based on a three-dimensional laser scanner according to claim 5, characterized in that, The elastic element (214d) is a compression spring.

7. The track deformation monitoring device based on a three-dimensional laser scanner according to claim 4, characterized in that, A spring plate (211a) is disposed in the inner cavity of the mounting bracket (211), and the spring plate (211a) restricts the installation position of the three-dimensional laser scanner body (2).

8. The track deformation monitoring device based on a three-dimensional laser scanner according to claim 2, characterized in that, The strip-shaped limiting plate (31) is symmetrically distributed based on the compensation bearing beam (35).

9. The track deformation monitoring device based on a three-dimensional laser scanner according to claim 3, characterized in that, The handwheel (343) is equipped with a handle, and a rubber ring is provided on the handle.

10. A track deformation monitoring device based on a three-dimensional laser scanner according to claim 5, characterized in that, The sleeve (214a) is machined with a groove, which is used to constrain the movement direction of the limiting pin (214e).

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