Rotary limiting mechanism for laser tracking measurement

Abstract

The utility model belongs to the technical field of laser tracking measurement, and particularly relates to a laser tracking measurement rotation limiting mechanism which comprises a measuring device, the measuring device is slidably connected with a supporting mechanism, the supporting mechanism comprises a connecting plate, the connecting plate is rotatably connected with a supporting plate, a driving motor is fixed in the supporting plate, and a driving gear is fixed to an output shaft of the driving motor. The driving gear is in meshed connection with the connecting plate; the limiting mechanism comprises a limiting plate, the limiting plate is rotationally connected with an adjusting motor, an adjusting gear is fixed to an output shaft of the adjusting motor, the adjusting gear is rotationally connected with the supporting plate, a mounting plate is fixed to the adjusting motor, a limiting push rod is fixed in the mounting plate, the output end of the limiting push rod is rotationally connected with a transmission plate, and the transmission plate is rotationally connected with the limiting plate; the rotating angle of the measuring device can be effectively limited, and meanwhile, the rotating range of the measuring device can be quickly relieved, so that the measuring device can be subjected to all-directional rotating adjustment, and the measurement accuracy is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of laser tracking measurement, and particularly relates to a laser tracking measurement rotation limiting mechanism. BACKGROUND

[0002] The laser tracker is a high-precision large-size measuring instrument in an industrial measuring system, is an optical measuring instrument for determining the three-coordinate position of a target by irradiating laser to the target of a contact measuring target and then returning the laser reflected by the target to a light source, and has the characteristics of high precision, high efficiency and real-time measurement. The existing laser tracking measuring instrument is difficult to complete the collection of all data at only one measuring station when measuring an object, and in order to ensure the integrity and comprehensiveness of data measurement, the laser tracking instrument needs to be transferred multiple times.

[0003] The measurement principle of the laser tracking measurement equipment is to obtain the horizontal angle, the vertical angle and the side length of the instrument center to the center of the reflecting ball, so as to calculate the coordinates of the center of the reflecting ball. The existing laser tracking measurement device cannot accurately limit the rotation range, is easy to have rotation error in the rotation process, causes the measurement result to have deviation, and affects the measurement precision. At the same time, the measurement angle cannot be effectively adjusted according to the use demand, resulting in low measurement efficiency and inaccurate measurement result. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a laser tracking measurement rotation limiting mechanism, which can effectively limit the rotation angle of the laser tracking measurement device, ensure that the measuring device effectively reciprocates within the range angle, and quickly release the rotation range of the measuring device to enable the measuring device to be adjusted in all directions and ensure the accuracy of measurement.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A laser tracking measurement rotation limiting mechanism, comprising a measuring device, characterized in that: the bottom of the measuring device is slidably connected with a supporting mechanism, the supporting mechanism comprises a connecting plate, the bottom of the connecting plate is rotatably connected with the top of a supporting plate, a driving motor is fixed in the inside of the supporting plate, a driving gear is fixed on the output shaft of the driving motor, and the driving gear is meshedly connected with the inside of the connecting plate.

[0007] The limiting mechanism comprises a limiting plate, the limiting plate is rotationally connected with an output end surface of an adjusting motor, an output shaft of the adjusting motor is fixed with an adjusting gear, the adjusting gear is rotationally connected with the inside of the supporting plate, and the output end surface of the adjusting motor is fixed with a mounting plate, a limiting push rod is fixed in the mounting plate, one end of the limiting push rod is rotationally connected with a transmission plate, and the other end of the transmission plate is rotationally connected with the limiting plate.

[0008] The limiting mechanism comprises a limiting plate, the limiting plate is rotationally connected with an output end surface of an adjusting motor, an output shaft of the adjusting motor is fixed with an adjusting gear, the adjusting gear is rotationally connected with the inside of the supporting plate, and the output end surface of the adjusting motor is fixed with a mounting plate, a limiting push rod is fixed in the mounting plate, one end of the limiting push rod is rotationally connected with a transmission plate, and the other end of the transmission plate is rotationally connected with the limiting plate.

[0009] Further, the bottom of the connecting plate is fixedly connected with one end of a connecting shaft through a rotating bearing, and the other end of the connecting shaft is slidingly connected with the central part inside the supporting plate.

[0010] Further, a threaded groove is formed in the inner side of the bottom of the connecting plate, and the threaded groove is meshingly connected with the driving gear.

[0011] Further, a sliding groove is formed in the inside of the supporting plate, the sliding groove is slidingly connected with the adjusting motor, and a driving gear slot is formed above the sliding groove, and the inside of the driving gear slot is meshingly connected with the adjusting gear.

[0012] Further, a limiting rod is further fixed to the bottom of the connecting plate, the limiting rod is slidingly connected with the sliding groove, and the limiting rod is in contact with the limiting plate.

[0013] Further, a control sensor is fixed to the side of the limiting plate away from the transmission plate, and the control sensor is electrically connected with the driving motor.

[0014] Further, a scale line is fixed to the top of the outside of the supporting plate.

[0015] The technical effects achieved by the utility model are as follows:

[0016] The laser tracking measurement rotary limiting mechanism can be precisely adjusted inside the supporting plate through the setting of the limiting assembly, and the limiting angle is formed inside the supporting plate through the joint action of the two limiting plates, so that the rotation of the measurement device is effectively limited.

[0017] The utility model discloses a kind of laser tracking measurement rotary limit mechanisms, can effectively install and place measurement device by connecting plate, cooperate by supporting plate and connecting plate, by the driving element being set in supporting plate, connecting plate and measuring instrument can be effectively driven to realize accurate rotation;When connecting plate rotates, the limit rod of bottom can effectively contact with the limiting plate in limiting assembly, and then trigger limit work, ensure the stability and accuracy of measurement process. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the overall structure explosion schematic diagram of the utility model;

[0020] Figure 3 It is the overall structure partial sectional view of the utility model;

[0021] Figure 4 It is the partial structure sectional view of the utility model;

[0022] Figure 5 It is the partial structure explosion schematic diagram of the utility model.

[0023] In the drawings, the component list represented by each mark is as follows:

[0024] 10, measurement device;20, supporting mechanism;21, connecting plate;211, connecting shaft;212, screw groove;213, limit rod;22, supporting plate;221, sliding groove;222, driving gear slot;23, driving motor;231, driving gear;30, limiting assembly;31, limiting plate;32, adjusting motor;321, adjusting gear;33, mounting plate;331, limit push rod;332, transmission plate. DETAILED DESCRIPTION

[0025] In order to make the purpose and the advantage of the utility model more clear and obvious, the utility model is specifically explained below with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope requested by the utility model.

[0026] As Figures 1 to 5 Shown, a kind of laser tracking measurement rotary limit mechanism, including measurement device 10, the bottom of measurement device 10 is slidably connected with supporting mechanism 20, supporting mechanism 20 includes connecting plate 21, the bottom of connecting plate 21 is rotatably connected with the top of supporting plate 22, the inside of supporting plate 22 is fixed with driving motor 23, the output shaft of driving motor 23 is fixed with driving gear 231, driving gear 231 is engagedly connected with the inside of connecting plate 21;

[0027] The limiting assembly 30 comprises a limiting plate 31 rotatably connected with the output end surface of an adjusting motor 32, the output shaft of the adjusting motor 32 is fixed with an adjusting gear 321 rotatably connected with the inner portion of the supporting plate 22, and the output end surface of the adjusting motor 32 is fixed with a mounting plate 33, the mounting plate 33 is internally fixed with a limiting push rod 331, the output end of the limiting push rod 331 is rotatably connected with one end of a transmission plate 332, and the other end of the transmission plate 332 is rotatably connected with the limiting plate 31.

[0028] Preferably, the limiting assembly 30 has two groups, and the two groups of limiting assemblies 30 are arranged in the inner portion of the supporting plate 22.

[0029] In this embodiment, it should be noted that the device is provided with a controller (not shown in the figure) and is electrically connected with the supporting mechanism 20 and the limiting assembly 30, and can accurately control the internal elements of the supporting mechanism 20 and the limiting assembly 30. This is a conventional technical means, and will not be described in detail here. By arranging the two groups of limiting assemblies 30 in the inner portion of the supporting plate 22, the movement adjustment in the inner portion of the supporting plate 22 can be effectively realized, thereby forming a limiting angle in the inner portion of the supporting plate 22, and the angle range can be accurately adjusted, thereby accurately measuring the target. Wherein, by starting the driving motor 23 to drive the driving gear 231 and meshing with the connecting plate 21, the connecting plate 21 and the measuring device 10 are driven to rotate and adjust, and the data measurement in the range of angle is completed. Wherein, by the arrangement of the limiting assembly 30, the rotation range of the measuring device 10 and the connecting plate 21 can be limited, and by controlling the limiting push rod 331, the limiting plate 31 can be accurately driven by the transmission plate 332 to rotate at the output end surface of the adjusting motor 32, so that the limiting plate 31 can quickly start or release the limiting, and after the limiting is released, the connecting plate 21 can drive the measuring device 10 to realize the rotation adjustment of the full range of angle.

[0030] As shown in Figure 2 , Figure 3 , the bottom of the connecting plate 21 is fixedly connected with one end of a connecting shaft 211 through a rotating bearing, and the other end of the connecting shaft 211 is slidingly connected with the central portion in the inner portion of the supporting plate 22. Wherein, by the arrangement of the connecting shaft 211, the connecting plate 21 can be stably supported to rotate above the supporting plate 22.

[0031] Preferably, a threaded groove 212 is formed in the inner side of the bottom of the connecting plate 21, and the threaded groove 212 is meshingly connected with the driving gear 231. Wherein, by the arrangement of the threaded groove 212 and the meshing with the driving gear 231, the power generated by the driving motor 23 can be received to drive the connecting plate 21 to rotate.

[0032] As shown in Figure 3 , Figure 4As shown, the inside of the support plate 22 is provided with a sliding groove 221, the sliding groove 221 is in sliding connection with the adjusting motor 32, and the upper side of the sliding groove 221 is provided with a driving gear groove 222, the inside of the driving gear groove 222 is in meshing connection with the adjusting gear 321; wherein, by placing the limiting component 30 in the sliding groove 221, the accuracy of the limiting component 30 during angle adjustment is ensured, and different angle rotation limiting can be achieved.

[0033] As shown in Figure 3 , Figure 5 , the bottom of the connecting plate 21 is also fixed with a limiting rod 213, the limiting rod 213 is in sliding connection with the sliding groove 221, and the limiting rod 213 is in contact with the limiting plate 31.

[0034] Preferably, the limiting plate 31 is fixed with a control sensor on the side away from the transmission plate 332, and the control sensor is in electrical connection with the driving motor 23; it should be noted that the control sensor can effectively control the reverse rotation of the driving motor 23, when the limiting rod 213 is in contact with the control sensor on the limiting plate 31, at this time, the control sensor will issue a warning and prompt the user that the limiting angle edge has been reached, which is a conventional technical means and will not be described in detail here; and then by controlling the reverse rotation of the driving motor 23, the connecting plate 21 is effectively rotated within the limiting angle range.

[0035] In the above embodiment, the sliding groove 221 can effectively guide the movement of the adjusting motor 32, and the driving gear groove 222 can effectively mesh with the adjusting gear 321; wherein, when the adjusting motor 32 is started, the adjusting gear 321 is driven to mesh with the driving gear groove 222, so that the adjusting gear 321 moves in the driving gear groove 222, and drives the adjusting motor 32 to adjust in the sliding groove 221, to ensure that the limiting plate 31 moves accurately to the specified angle; when the limiting component 30 moves to the specified angle, the limiting push rod 331 is started, so that the limiting plate 31 is driven by the transmission plate 332 to rotate on the output end face of the adjusting motor 32, at this time, the two limiting plates 31 form a limiting angle, and then the limiting rod 213 is limited and intercepted in the sliding groove 221; when the connecting plate 21 drives the limiting rod 213 to rotate in the sliding groove 221, it will be in contact with the limiting plate 31, so as to realize the accurate limiting of the connecting plate 21 and the measuring device 10.

[0036] Preferably, the upper side of the connecting plate 21 is fixed with an angle identification line, and the top of the outer side of the support plate 22 is fixed with a plurality of angle identification lines; it should be noted that when the measuring device 10 is installed with the connecting plate 21, the laser head corresponds to the starting scale line on the upper side of the connecting plate 21; when the connecting plate 21 is in use, the starting scale line on the connecting plate 21 corresponds to the 0 degree identification line on the outer side of the support plate 22, to ensure that the limiting component 30 can accurately adjust the limiting angle, and ensure the stability of the rotation limiting.

[0037] The working principle of the utility model is: through placing the measuring device 10 in the connecting plate 21, through starting the drive motor 23 inside the support plate 22, drive gear 231 and the thread groove 212 inside the connecting plate 21 are driven to work, drive the connecting plate 21 to rotate along the connecting shaft 211, synchronously drive the limiting rod 213 to slide inside the sliding groove 221; when the rotating limiting of the measuring device 10 is needed, through starting the adjusting motor 32, drive the adjusting gear 321 and the drive tooth groove 222 to meshing, further drive the adjusting motor 32 and the limiting plate 31 to move to the limiting point; then, start the limiting push rod 331 fixed on the mounting plate 33, drive the limiting plate 31 to rotate in the sliding groove 221 through the transmission plate 332, through the common action of the two groups of limiting components 30, form the limiting angle, effectively rotate the limiting of the measuring device 10; when the connecting plate 21 drives the limiting rod 213 to contact with the limiting plate 31, the control sensor can send the warning, and the connecting plate 21 and the measuring device 10 are limited, then, through driving the connecting plate 21 to reverse rotation, and through the other limiting plate 31 to limit the connecting plate 21, make the connecting plate 21 can effectively rotate in the limiting angle, improve the measuring efficiency; when the rotating limiting of the connecting plate 21 is not needed, through controlling the limiting push rod 331 to drive the limiting plate 31 to rotate, so as not to limit the rotation of the limiting rod 213, make the connecting plate 21 can effectively rotate above the support plate 22.

[0038] The above only is the preferred implementation of the utility model, it should be pointed out, for ordinary technical personnel in the prior art, without departing from the principle of the utility model, can make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, such as no special description and limitation, all are implemented according to the conventional means in the field.

Claims

1. A laser tracking and measuring rotation limiting mechanism, comprising a measuring device (10), characterized in that: The bottom of the measuring device (10) is slidably connected to the support mechanism (20). The support mechanism (20) includes a connecting plate (21). The bottom of the connecting plate (21) is rotatably connected to the top of the support plate (22). A drive motor (23) is fixed inside the support plate (22). A drive gear (231) is fixed on the output shaft of the drive motor (23). The drive gear (231) meshes with the inner side of the connecting plate (21). A limiting component (30) includes a limiting plate (31), which is rotatably connected to the output end face of an adjusting motor (32). An adjusting gear (321) is fixed to the output shaft of the adjusting motor (32). The adjusting gear (321) is rotatably connected to the interior of a support plate (22). A mounting plate (33) is fixed to the output end face of the adjusting motor (32). A limiting push rod (331) is fixed inside the mounting plate (33). The output end of the limiting push rod (331) is rotatably connected to one end of a transmission plate (332), and the other end of the transmission plate (332) is rotatably connected to the limiting plate (31). There are two sets of limiting components (30), and both sets of limiting components (30) are located inside the support plate (22).

2. The laser tracking and measurement rotation limiting mechanism according to claim 1, characterized in that: The bottom of the connecting plate (21) is fixedly connected to one end of the connecting shaft (211) via a rotating bearing, and the other end of the connecting shaft (211) is slidably connected to the center of the support plate (22).

3. The laser tracking and measurement rotation limiting mechanism according to claim 1, characterized in that: The inner side of the bottom of the connecting plate (21) is provided with a threaded groove (212), which meshes with the drive gear (231).

4. The laser tracking and measurement rotation limiting mechanism according to claim 1, characterized in that: The support plate (22) has a sliding groove (221) inside, which is slidably connected to the adjusting motor (32), and a drive tooth groove (222) is provided above the sliding groove (221), which meshes with the adjusting gear (321).

5. The laser tracking and measurement rotation limiting mechanism according to claim 4, characterized in that: The bottom of the connecting plate (21) is also fixed with a limiting rod (213), which is slidably connected to the sliding groove (221) and is in contact with the limiting plate (31).

6. The laser tracking and measurement rotation limiting mechanism according to claim 1, characterized in that: A control sensor is fixed on the side of the limiting plate (31) away from the transmission plate (332), and the control sensor is electrically connected to the drive motor (23).

7. The laser tracking and measurement rotation limiting mechanism according to claim 1, characterized in that: The connecting plate (21) has a scale line fixed on its upper part, and the support plate (22) has multiple angle marking lines fixed on its outer top.

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