CN212270557U

CN212270557U - Track close-range photogrammetry device

Info

Publication number: CN212270557U
Application number: CN202020374084.6U
Authority: CN
Inventors: 胡晓斌; 白丹
Original assignee: Suzhou University
Current assignee: Suzhou University
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2021-01-01
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a close-range photogrammetry device of track, including the slide rail, the equal fixedly connected with installation piece in both sides of slide rail, the front side of slide rail is provided with the threaded rod, the both ends of threaded rod run through the outside to two installation pieces respectively, the surperficial threaded connection of threaded rod has moving platform, moving platform is at the surface slip of slide rail, moving platform includes the sliding block, the opening with slide rail looks adaptation is seted up to one side of sliding block. The utility model discloses a rotation threaded rod drives moving platform and controls on the surface of sliding rail to make the camera of installing on moving platform also can control the removal, thereby realize measuring direction's regulation, enlarged measuring range, reduce and measure the dead angle, thereby improve measured data's accuracy, improve measurement of efficiency, this track close-range photogrammetry device possesses the advantage that can adjust measuring direction.

Description

Track close-range photogrammetry device

Technical Field

The utility model relates to a railway track measuring equipment technical field specifically is a track close-range photogrammetry device.

Background

With the large-scale construction of high-speed railways, the number of railways which are successively put into operation is increasing day by day, the high-speed railways are gradually used as a fast and comfortable transportation mode with large carrying capacity and low carbon and environmental protection, in order to ensure the high-speed, safe and stable operation of trains, the rails must be built on a preset rail line during construction, the precise detection of the railway rails must be enhanced after the construction is finished, and particularly, the great particularity of the number of the high-speed railways and the high-precision technical requirement of the rail detection are met, so that the severe challenge is provided for the rail measurement technology.

At present, the most common rail detection equipment is a detection system based on a total station and a rail detection trolley, the detection precision of the measurement technology is high, and an important technical support is provided for fine adjustment of rails constructed in the initial stage of a high-speed railway, but the measurement method is not suitable for field operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a track close-range photogrammetry device, possess the advantage that can adjust the measuring direction, the track check out test set that has solved present most commonly used is based on total powerstation and rail inspection dolly detecting system, this kind of measurement technique detects the precision higher, the track fine tuning for the high-speed railway initial stage construction has provided important technical support, but unsuitable field work when this kind of measuring side, because open-air place is wide, when the point counter point is measured, the user need fix a position a point, it is consuming time hard, and measured direction can not be adjusted, and then the measurement dead angle will appear when measuring, reduce the precision of measured data, reduce measurement of efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a track close shot photogrammetry device comprises a sliding rail, wherein both sides of the sliding rail are fixedly connected with installation blocks, a threaded rod is arranged on the front side of the sliding rail, both ends of the threaded rod penetrate through the outer sides of the two installation blocks respectively, the surface of the threaded rod is in threaded connection with a mobile platform, the mobile platform slides on the surface of the sliding rail, the mobile platform comprises a sliding block, one side of the sliding block is provided with an opening matched with the sliding rail, one side of the sliding block is provided with a threaded hole which is positioned on the front side of the opening and matched with the threaded rod, the rear side of the sliding block is provided with a movable rod in a penetrating manner, the rear end of the movable rod is fixedly connected with a pulling block, the surface of the movable rod is sleeved with a spring, both ends of the spring are fixedly connected with the sliding block and the pulling block respectively, and, the bottom fixed mounting of installation piece has supporting mechanism, and two supporting mechanism pass through the latched device lock joint together, the threaded rod passes through bearing and two installation piece swing joint.

Preferably, the bottom of the front side of the sliding block is fixedly connected with a supporting plate, and the top of the supporting plate is fixedly connected with a camera.

Preferably, the rear side of the sliding rail is provided with a sliding groove matched with the sliding block, and the rear side of the inner cavity of the sliding groove is provided with a clamping groove matched with the movable rod.

Preferably, the supporting mechanism comprises a first short rod fixed on the mounting block, the bottom end of the first short rod is rotatably connected with a second short rod, a bolt penetrates through the front side of the second short rod and the end close to the first short rod, and a jack matched with the bolt is formed in the bottom of the front side of the first short rod.

Preferably, the locking mechanism comprises a first fixing ring and a second fixing ring which are respectively fixed on the two supporting mechanisms, and the first fixing ring and the second fixing ring are buckled together through a locking pin.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model drives the mobile platform to move left and right on the surface of the sliding rail by rotating the threaded rod, thereby leading the camera arranged on the mobile platform to move left and right, realizing the adjustment of the measuring direction, expanding the measuring range, reducing the measuring dead angle, thereby improving the accuracy of the measured data, improving the measuring efficiency, the track close-range photogrammetric device has the advantage of adjusting the measuring direction, solving the problem that the most common track detection equipment at present is a detection system based on a total station and a rail detection trolley, the measuring technology has higher detection precision, provides important technical support for the track fine adjustment of the initial construction of the high-speed railway, but the measuring party is not suitable for field operation, because the field is wide, when in point-to-point measurement, a user needs to perform fixed-point positioning, the time and labor are wasted, and the measuring direction can not be adjusted, and then the dead angle of measurement will appear when measuring, reduces the precision of measured data, reduces the problem of measurement efficiency.

2. The utility model discloses a supporting mechanism's setting, when removing transport measuring device, can fold supporting mechanism and pack up, reduce measuring device's volume to the person of facilitating the use carries.

3. The utility model discloses a latched device's setting, when two supporting mechanism folds up, can fix through latched device, avoids two supporting mechanism activities, the person of facilitating the use transport.

Drawings

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

FIG. 2 is a rear view of the structure of the present invention;

fig. 3 is a perspective view of the mobile platform of the present invention.

In the figure: 1. a sliding rail; 2. mounting blocks; 3. a threaded rod; 4. a mobile platform; 5. a camera; 6. a support mechanism; 7. a latch mechanism; 8. a chute; 9. a card slot; 61. a first short rod; 62. a short rod II; 63. a bolt; 64. a jack; 71. a first fixing ring; 72. a second fixing ring; 73. a pin is buckled; 41. a slider; 42. an opening; 43. a threaded hole; 44. a movable rod; 45. pulling the block; 46. a spring; 47. a slider; 48. and (7) a supporting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution, a track close-range photogrammetric apparatus, comprising a sliding rail 1, wherein both sides of the sliding rail 1 are fixedly connected with mounting blocks 2, a threaded rod 3 is disposed at the front side of the sliding rail 1, both ends of the threaded rod 3 respectively penetrate through the outer sides of the two mounting blocks 2, a moving platform 4 is connected to the surface of the threaded rod 3 in a threaded manner, the moving platform 4 slides on the surface of the sliding rail 1, the moving platform 4 comprises a sliding block 41, an opening 42 adapted to the sliding rail 1 is disposed at one side of the sliding block 41, a threaded hole 43 disposed at the front side of the opening 42 and adapted to the threaded rod 3 is disposed at one side of the sliding block 41, a movable rod 44 is disposed at the rear side of the sliding block 41 in a threaded manner, a pulling block 45 is fixedly connected to the rear end of the movable rod 44, a spring 46 is sleeved on the surface of the movable rod, the rear side of the inner cavity of the opening 42 is fixedly connected with a slide block 47, the bottom of the mounting block 2 is fixedly provided with a support mechanism 6, the support mechanism 6 comprises a first short rod 61 fixed on the mounting block 2, the bottom end of the first short rod 61 is rotatably connected with a second short rod 62, one end of the front side of the second short rod 62, which is close to the first short rod 61, is provided with a bolt 63 in a penetrating way, the bottom of the front side of the first short rod 61 is provided with a jack 64 matched with the bolt 63, through the arrangement of the support mechanism 6, when the measuring device is moved and carried, the support mechanism 6 can be folded and folded, the volume of the measuring device is reduced, so that a user can conveniently carry the measuring device, the two support mechanisms 6 are buckled together through a buckle mechanism 7, the buckle mechanism 7 comprises a first fixing ring 71 and a second fixing ring 72 which are respectively fixed on the two support mechanisms 6, the first fixing ring 71 and, when two supporting mechanism 6 are folded and folded, can fix through latched device 7, avoid two supporting mechanism 6 activities, the person of facilitating the use carries, threaded rod 3 passes through bearing and two 2 swing joint of installation piece, the bottom fixedly connected with layer board 48 of sliding block 41 front side, the top fixedly connected with camera 5 of layer board 48, the rear side of sliding rail 1 is opened and is equipped with the spout 8 with slider 47 looks adaptation, the rear side of the 8 inner chambers of spout is opened and is equipped with the draw-in groove 9 with movable rod 44 looks adaptations.

The working principle is as follows: the utility model discloses during the use, the user stimulates earlier and pulls the inner chamber that the piece 45 drives movable rod 44 and shift out draw-in groove 9, it removes to rotate threaded rod 3 again and drive moving platform 4, because moving platform 4 is gliding on sliding rail 1, and then can carry on spacingly to moving platform 4, realize the purpose that moving platform 4 controlled about, and then can drive camera 5 on the moving platform 4 and control, realize measuring direction's regulation at last, during moving platform 4 is when removing, slider 47 on moving platform 4 slides at the inner chamber of spout 8, with spacing to moving platform 4, guarantee its stability when sliding, then adjust the back when measuring direction, can loosen and pull piece 45, under spring 46's effect, movable rod 44 card goes into the inner chamber of draw-in groove 9 and fixes a position, stability when guaranteeing camera 5 to measure.

In summary, the following steps: the track close-range photogrammetry device drives the mobile platform 4 to move left and right on the surface of the sliding rail 1 by rotating the threaded rod 3, so that the camera 5 arranged on the mobile platform 4 can also move left and right, thereby realizing the adjustment of the measurement direction, expanding the measurement range, reducing the measurement dead angle, improving the accuracy of the measurement data and improving the measurement efficiency, has the advantage of adjusting the measurement direction, solves the problem that the most common track detection equipment at present is a detection system based on a total station and a rail detection trolley, has higher detection precision of the measurement technology, provides important technical support for the fine adjustment of the track constructed at the initial stage of the high-speed railway, but is not suitable for field operation in the measurement party, has wide field, and needs to perform fixed-point positioning when in point-to-point measurement, consuming time and energy, and the measuring direction can not be adjusted, so that the measuring dead angle can be generated during measurement, the accuracy of the measured data is reduced, and the measuring efficiency is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A track close-range photogrammetry apparatus comprises a sliding rail (1), and is characterized in that: the improved sliding rail is characterized in that mounting blocks (2) are fixedly connected to two sides of the sliding rail (1), a threaded rod (3) is arranged on the front side of the sliding rail (1), two ends of the threaded rod (3) penetrate through the outer sides of the two mounting blocks (2) respectively, a moving platform (4) is connected to the surface of the threaded rod (3) in a threaded manner, the moving platform (4) slides on the surface of the sliding rail (1), the moving platform (4) comprises a sliding block (41), an opening (42) matched with the sliding rail (1) is formed in one side of the sliding block (41), a threaded hole (43) which is located in the front side of the opening (42) and matched with the threaded rod (3) is formed in one side of the sliding block (41), a movable rod (44) is arranged on the rear side of the sliding block (41) in a penetrating manner, a pulling block (45) is fixedly connected to the rear end of the movable rod (44), and a spring, the both ends of spring (46) respectively with sliding block (41) and pulling piece (45) fixed connection, the rear side fixedly connected with slider (47) of opening (42) inner chamber, the bottom fixed mounting of installation piece (2) has supporting mechanism (6), and two supporting mechanism (6) are in the same place through latched device (7) lock joint, threaded rod (3) are through bearing and two installation piece (2) swing joint.

2. An orbital close-range photogrammetry apparatus as claimed in claim 1, wherein: the bottom fixedly connected with layer board (48) of sliding block (41) front side, the top fixedly connected with camera (5) of layer board (48).

3. An orbital close-range photogrammetry apparatus as claimed in claim 1, wherein: the rear side of the sliding rail (1) is provided with a sliding groove (8) matched with the sliding block (47), and the rear side of the inner cavity of the sliding groove (8) is provided with a clamping groove (9) matched with the movable rod (44).

4. An orbital close-range photogrammetry apparatus as claimed in claim 1, wherein: supporting mechanism (6) are including fixing quarter butt (61) on installation piece (2), the bottom of quarter butt (61) is rotated and is connected with quarter butt two (62), the front side of quarter butt two (62) and the one end that is close to quarter butt (61) are run through and are provided with bolt (63), jack (64) with bolt (63) looks adaptation are seted up to the bottom of quarter butt (61) front side.

5. An orbital close-range photogrammetry apparatus as claimed in claim 1, wherein: the locking mechanism (7) comprises a first fixing ring (71) and a second fixing ring (72) which are respectively fixed on the two supporting mechanisms (6), and the first fixing ring (71) and the second fixing ring (72) are buckled together through a buckling pin (73).