CN109185643B - Precise rotating holder device - Google Patents

Abstract

The invention relates to a precise rotating pan-tilt device which comprises a pan-tilt base, wherein the upper part of the pan-tilt base is connected with a machine body through a vertical connecting shaft which is longitudinally arranged, the machine body is integrally U-shaped, a laser instrument installation box is arranged in a concave part of the machine body, the machine body is connected with the laser instrument installation box through a horizontal connecting shaft which is transversely arranged, and a camera is arranged on the upper part of the laser instrument installation box. The invention has simple and reasonable structural design, reliable transmission and exquisite structure, can realize precise adjustment and has wide application prospect.

Description

A precision rotating pan/tilt device

technical field

The invention relates to a precision rotating pan/tilt device.

Background technique

Because the remote ranging system adopts the technical method of network transmission, video operation and laser ranging, the user can intuitively see the scene screen through the network video on the client side, capture the target point through the cross cursor, and easily measure the distance between any two points. Distance, because this technology realizes the functions of online remote measurement, data storage and filing, and superimposed subtitles, it has been applied in the fields of engineering measurement, track snow thickness measurement, construction engineering inspection and measurement, etc. Direct operation measurement and other aspects have very broad application prospects. The key to the realization of the technology is to design and manufacture a high-precision rotating pan/tilt, which has two functions. One is to make the camera and the laser ranging system have a fixed spatial position, and the other is to establish a three-dimensional coordinate system in space and place the laser ranging system at the coordinate origin. , to achieve synchronous rotation within the visual range. Therefore, the design and manufacture of the high-precision precision PTZ determines the measurable accuracy, reliability and service life of the monitoring and measuring device. The installation process of the existing high-precision precision gimbal cannot be adjusted, it is difficult to use, and has great limitations.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a precise rotating pan/tilt device, which not only has a reasonable structure design, but is also efficient and convenient.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a precision rotating pan/tilt device, comprising a pan/tilt base, the upper part of the pan/tilt base is connected with the body through a vertical connecting shaft arranged vertically, and the body The whole is U-shaped, the recessed part of the body is provided with a laser instrument installation box, the body is connected with the laser instrument installation box through a horizontal connecting shaft arranged horizontally, and a camera is arranged on the upper part of the laser instrument installation box.

Further, the pan-tilt base includes a pan-tilt chassis and a pan-tilt base, the pan-tilt base is placed on the pan-tilt chassis, and the bottom of the outer peripheral side wall of the pan-tilt base is circumferentially spaced with a number of wedge surfaces. Grooves, each of the wedge surface grooves corresponds to a vertical adjustment block, and the vertical adjustment pin transversely passes through the vertical adjustment block and is connected to the base of the pan/tilt.

Further, a vertical motor is longitudinally arranged in the lower part of the inner cavity of the body, the output shaft of the vertical motor is connected with the vertical transmission shaft as a whole, the vertical transmission shaft is connected with the vertical connection shaft as a whole, and the vertical transmission shaft is connected with the vertical transmission shaft. The vertical grating disk is connected as a whole; the casing of the vertical motor is connected with the body as a whole, and the body is connected with the vertical connecting plate, the vertical grating cover, the vertical grating seat and the vertical grating reading plate.

Further, the vertical grating seat is sleeved outside the vertical connecting shaft, and a vertical bearing assembly is arranged between the vertical grating seat and the vertical connecting shaft.

Further, horizontal connecting shafts protrude from the left and right sides of the laser installation box, a horizontal motor is arranged on the left side of the inner cavity of the body, and the body is connected with the casing of the horizontal motor as a whole. The right side of the inner cavity is provided with a horizontal grating reading disk and a horizontal grating disk, the body is connected with the horizontal grating reading disk as a whole, the horizontal grating disk is nested in the center of the horizontal grating reading disk, and the output of the horizontal motor The shaft is integrally connected with the horizontal connecting shaft on the left, and the horizontal grating disk is integrally connected with the horizontal connecting shaft on the right.

Further, the horizontal connecting shaft is provided with a horizontal connecting disk, the horizontal connecting disk is covered with a horizontal adjusting ring, and the outer peripheral side of the horizontal adjusting ring is provided with a number of horizontal adjusting pins at circumferential intervals. After the nail passes through the body, it abuts on the outer peripheral side wall of the leveling ring.

Further, a horizontal bearing assembly is arranged between the horizontal connecting shaft and the horizontal connecting plate.

Further, a dust retaining ring is arranged between the horizontal connecting shaft and the horizontal connecting plate.

Further, the inner cavity of the laser instrument installation box is provided with a laser instrument positioning seat, the laser instrument positioning seat is connected with the laser instrument installation box through a positioning pin, and the bottom of the laser instrument installation box is provided with a laser adjustment nail, The laser adjustment pins pass through the laser device installation box and the laser device positioning seat in sequence and then contact the bottom of the laser device.

Further, a first limit rod is provided on the base of the pan/tilt head, and a second limit rod is provided on the body.

Compared with the prior art, the present invention has the following beneficial effects: the present invention not only has a simple and reasonable structure design, but also has reliable transmission and an exquisite structure, can realize precise adjustment, and has broad application prospects.

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

FIG. 2 is a schematic diagram of a partial structure of an embodiment of the present invention.

FIG. 3 is a schematic diagram of a partial structure of an embodiment of the present invention.

FIG. 4 is a schematic diagram of a partial structure of an embodiment of the present invention.

FIG. 5 is a schematic side view of the structure of the embodiment of the present invention.

FIG. 6 is a schematic top view of the embodiment of the present invention in the direction B-B.

FIG. 7 is a schematic top view of the structure of the embodiment of the present invention.

8 is a schematic cross-sectional view of the embodiment of the present invention in the direction A-A.

FIG. 9 is a schematic structural diagram of a leveling ring according to an embodiment of the present invention.

FIG. 10 is a schematic structural diagram of a laser instrument installation box according to an embodiment of the present invention.

In the picture: 1- PTZ base, 101- PTZ chassis, 102- PTZ base, 103- Wedge groove, 104- Vertical adjustment block, 105- Vertical adjustment pin, 2- Vertical connecting shaft, 3- Body , 4-laser installation box, 5-horizontal connecting shaft, 6-camera, 7-locking screw, 8-vertical motor, 9-vertical drive shaft, 10-vertical grating plate, 11-vertical connecting plate, 12- Vertical grating cover, 13-vertical grating seat, 14-vertical grating reading plate, 15-vertical bearing assembly, 16-horizontal motor, 17-horizontal grating reading plate, 18-horizontal grating plate, 19-horizontal connecting plate, 20-horizontal Adjustment ring, 21-level adjustment nail, 22-level bearing assembly, 23-dust retaining ring, 24-laser positioning seat, 25-positioning pin, 26-laser adjustment nail, 27-laser, 28-first limit Position rod, 29-second limit rod, 30-first limit switch, 31-second limit switch, 32- sunshade, 33-control circuit board, 34-sealing plate, 35-body cover.

Detailed ways

In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, the following specific embodiments are given and the accompanying drawings are described in detail as follows.

As shown in Figures 1 to 10, a precision rotating pan-tilt device includes a pan-tilt base 1, and the upper part of the pan-tilt base 1 is connected to a body 3 through a vertical connecting shaft 2 arranged vertically, and the body 3 The whole is U-shaped, the recessed part of the body 3 is provided with a laser instrument installation box 4, the body 3 is connected with the laser instrument installation box 4 through a horizontal connecting shaft 5 arranged horizontally, and the upper part of the laser instrument installation box 4 is provided with There are cameras 6.

In the embodiment of the present invention, the pan-tilt base 1 includes a pan-tilt chassis 101 and a pan-tilt base 102 , the pan-tilt base 102 is placed on the pan-tilt chassis 101 , and the peripheral side wall of the pan-tilt base 102 A plurality of wedge surface grooves 103 are arranged at circumferential intervals at the bottom, each of the wedge surface grooves 103 corresponds to a vertical adjustment block 104, and the vertical adjustment pin 105 transversely passes through the vertical adjustment block 104 and is in contact with the pan-tilt base 102. connection; by fine-tuning the tail of the vertical adjustment nail, the vertical adjustment block 104 can be pushed to move forward and backward, so as to realize the micro-adjustment of the verticality of the vertical connection shaft 2 and the pan-tilt chassis 101; the vertical adjustment nail 105 is a threaded nail , the vertical adjustment block 104 and the base 102 of the pan/tilt head are provided with threaded holes matched with the vertical adjustment pins 105 .

In the embodiment of the present invention, a vertical motor 8 is longitudinally arranged in the lower part of the inner cavity of the body 3, and the output shaft of the vertical motor 8 is connected with the vertical transmission shaft 9 through a transmission key. The locking screw 7 of the connecting shaft 2 is connected as a whole, the vertical transmission shaft 9 is connected with the vertical grating disc 10 through the locking screw 7 as a whole; the casing of the vertical motor 8 is connected with the body 3 through the locking screw 7 as a whole , the body 3 is connected with the vertical connecting plate 11, the vertical grating cover 12, the vertical grating seat 13 and the vertical grating reading plate 14 through the locking screws 7 respectively; The base 102 is connected as a whole; of course, the various parts of the upper part can be connected as a whole by welding, etc., which depends on the actual situation, and is not limited to this; When the vertical motor 8 is working, because the output shaft of the vertical motor 8, the vertical transmission shaft 9, the vertical connecting shaft 2, the vertical grating plate 10 and the pan-tilt base 102 are connected together by the locking screw 7 to form the relative position of the vertical rotation system. Fixed part, because the casing of the vertical motor 8 rotates relative to its output shaft, and because the casing of the vertical motor 8, the body 3, the vertical connecting plate 11, the vertical grating cover 12, the vertical grating seat 13 and the vertical grating The reading plate 14 is connected by the locking screw 7 to form a relative rotating part of the vertical rotation system, so the casing of the vertical motor 8, the body 3, the vertical connection plate 11, the vertical grating cover 12, the vertical grating seat 13 and the vertical grating The reading plate 14 rotates relative to the output shaft of the vertical motor 8, the vertical transmission shaft 9, the vertical connecting shaft 2, the vertical grating plate 10 and the pan-tilt base 102, and the body 3 is controlled by controlling the rotation angle of the vertical motor 8. angle of rotation.

In the embodiment of the present invention, the vertical grating seat 13 is sleeved outside the vertical connecting shaft 2, and a vertical bearing assembly 15 is disposed between the vertical grating seat 13 and the vertical connecting shaft 2, and the vertical bearing assembly 15 includes a The first deep groove ball bearing, the first partition plate, the thrust ball bearing, the second partition plate and the second deep groove ball bearing arranged in sequence from bottom to top, the vertical bearing assembly 15 facilitates the rotation of the relative rotating part of the vertical rotation system .

In the embodiment of the present invention, horizontal connecting shafts 5 protrude from the left and right sides of the laser installation box 4 , a horizontal motor 16 is arranged on the left side of the inner cavity of the body 3 , and the body 3 is locked by screws. 7 is connected with the casing of the horizontal motor 16 as a whole, the right side of the inner cavity of the body 3 is provided with a horizontal grating reading disk 17 and a horizontal grating disk 18, and the body 3 is connected with the horizontal grating reading disk 17 through the locking screw 7 As a whole, the horizontal grating disk 18 is nested in the center of the horizontal grating reading disk 17, and the output shaft of the horizontal motor 16 is connected to the horizontal connecting shaft 5 on the left side through a transmission key. 18 is connected with the horizontal connecting shaft 5 on the right side through the locking screw 7; the body 3, the casing of the horizontal motor 16, and the horizontal grating reading plate 17 form a relatively fixed part of the horizontal rotation system, and the horizontal motor 16 The output shaft, the horizontal connecting shaft 5, the laser installation box 4 and the horizontal grating disc 18 form the relative rotating part of the horizontal rotating system.

In the embodiment of the present invention, the horizontal connecting shaft 5 is provided with a horizontal connecting disk 19, and the horizontal connecting disk 19 is provided with a horizontal adjusting ring 20. The outer peripheral side of the horizontal adjusting ring 20 is provided with a plurality of circumferentially spaced rings. There are two leveling pins 21, and the leveling pins 21 pass through the body 3 and then rest on the outer peripheral side wall of the leveling ring 20; the two leveling rings 20 are similar to the bearing bush structure, and the leveling pins 21 are rotated by rotating the leveling pins. 21 can eliminate the machining error and necessary installation clearance of the horizontal connecting shaft 5, and realize the slight adjustment of the horizontal connecting shaft 5 in the radial direction.

In the embodiment of the present invention, a horizontal bearing assembly 22 is disposed between the horizontal connecting shaft 5 and the horizontal connecting plate 19 , and the horizontal bearing assembly 22 includes a thrust ball bearing.

In the embodiment of the present invention, a dust retaining ring 23 is provided between the horizontal connecting shaft 5 and the horizontal connecting plate 19 to prevent the body 3 from entering water and play the role of rain and dust protection.

In the embodiment of the present invention, the inner cavity of the laser instrument installation box 4 is provided with a laser instrument positioning seat 24, and the laser instrument positioning seat 24 is connected to the laser instrument installation box 4 through the positioning pin 25, and the laser instrument is installed The bottom of the box 4 is provided with a laser adjustment nail 26, and the laser adjustment nail 26 passes through the laser instrument installation box 4 and the laser instrument positioning seat 24 in turn and then rests on the bottom of the laser instrument 27; the laser instrument positioning seat 24 adopts post welding. After the processing process, aging treatment is required to eliminate internal stress, and the shape is a four-frame structure; the laser adjustment nails 26 have screw teeth, and the laser installation box 4 and the laser positioning seat 24 are provided with laser adjustment nails 26. Matching threaded holes, one end of the laser adjustment nail 26 is against the installation surface of the laser instrument 27, and by rotating the other end of the laser adjustment nail 26, the coordinates established by the axis line of the laser instrument 27 on the horizontal axis and the vertical axis can be realized The upper and lower directions of the origin are slightly adjusted; the top surface of the laser positioning seat 24 is installed with a camera 6 through screws, and the laser 27 and the camera 6 are fixedly installed in parallel and coincide with the vertical axis of rotation in the height direction. .

In the embodiment of the present invention, the head base 1 is provided with a first limit rod 28, the body 3 is provided with a second limit rod 29; the vertical grating seat 13 is provided with a first limit rod 28; The first limit switch 30 matched with the limit rod 28 controls the rotation range of the body 3; the body 3 is provided with a second limit switch 31 matched with the second limit rod 29, which is compatible with the body 3. The transition slope of the body 3 controls the pitch angle θ range of the laser installation box 4 together.

In the embodiment of the present invention, in order to prevent the horizontal motor 16 and the horizontal grating disc 18 from interfering with the inner wall surface of the body 3 during operation, the body 3 is covered with a spherical shape SR on the horizontal rotation axis.

In the embodiment of the present invention, the pan/tilt chassis 101 bears the weight of the entire device, and has high dimensional machining accuracy. Preferably, the pan/tilt chassis 101 is designed to be circular for external connection.

In the embodiment of the present invention, the top of the body 3 is provided with a sunshade 32 .

In the embodiment of the present invention, the function of precise adjustment can be achieved through the screw lengths of the horizontal adjustment nail 21, the vertical adjustment nail 105, the vertical adjustment block 104 and the laser adjustment nail 26, so as to realize the "adjustment of the vertical rotation axis and the horizontal rotation axis". "Absolutely vertical", the origin of the space coordinate system is formed at the intersection point and the axis of the laser rangefinder. This invention makes up for the shortcomings of the previous gimbal that cannot be finely adjusted and accurately establishes the space coordinate system, and improves the technology; in order to increase the field of view without blocking The body 3 on the side where the lens is installed is a transition slope, and the angle of the slope is determined by the range of the laser pitch angle; the body 3 is positioned and clamped at one time on a high-precision machine tool, and the horizontal axis and the vertical axis are orthogonal and vertical in space. , has a higher verticality.

Unless otherwise stated, the terms used in any of the technical solutions disclosed in the present disclosure and used to represent the positional relationship or shape include a state or shape that is similar to, similar to, or close to.

Any component provided by the present invention may be assembled from a plurality of individual components, or may be a single component manufactured by an integral molding process.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the specific embodiments of the present invention can still be carried out. Modification or equivalent replacement of some technical features; without departing from the spirit of the technical solution of the present invention, all of them should be included in the scope of the technical solution claimed in the present invention.

Claims (1)

1. The utility model provides a precision rotation cloud platform device which characterized in that: the device comprises a tripod head base, wherein the upper part of the tripod head base is connected with a machine body through a vertical connecting shaft which is longitudinally arranged, the machine body is integrally U-shaped, a laser instrument installation box is arranged on the concave part of the machine body, the machine body is connected with the laser instrument installation box through a horizontal connecting shaft which is transversely arranged, a camera is arranged on the upper part of the laser instrument installation box, the tripod head base comprises a tripod head chassis and a tripod head base, the tripod head base is arranged on the tripod head chassis, a plurality of wedge surface grooves are arranged at the bottom of the peripheral side wall of the tripod head base at circumferential intervals, each wedge surface groove corresponds to a vertical adjusting block, a vertical adjusting nail transversely penetrates through the vertical adjusting block to be connected with the tripod head base, a vertical motor is longitudinally arranged on the lower part of an inner cavity of the machine body, the output shaft of the vertical motor is connected with a, the vertical transmission shaft is connected with the vertical grating disc into a whole; the laser instrument comprises a laser instrument installation box, a vertical motor, a vertical connection disc, a vertical grating cover, a vertical grating seat and a vertical grating reading disc, wherein the machine body is connected with the vertical connection disc, the vertical grating cover, the vertical grating seat and the vertical grating reading disc into a whole, horizontal connection shafts extend out of the left side and the right side of the laser instrument installation box, a horizontal motor is arranged on the left side of an inner cavity of the machine body, the machine body is connected with the horizontal grating reading disc into a whole, the horizontal grating disc is embedded in the center of the horizontal grating reading disc, an output shaft of the horizontal motor is connected with the horizontal connection shaft on the left side into a whole, the horizontal grating disc is connected with the horizontal connection shaft on the right side into a whole, the horizontal connection shaft is externally sleeved with the horizontal connection disc, and the horizontal connection disc is externally sleeved with a horizontal adjustment ring, the periphery side of the horizontal adjusting ring is provided with a plurality of horizontal adjusting nails at intervals, the horizontal adjusting nails penetrate through the machine body and then abut against the peripheral side wall of the horizontal adjusting ring, the vertical grating seat is sleeved outside the vertical connecting shaft, a vertical bearing assembly is arranged between the vertical grating seat and the vertical connecting shaft, the vertical bearing assembly comprises a first deep groove ball bearing, a first clapboard, a thrust ball bearing, a second clapboard and a second deep groove ball bearing which are sequentially arranged from bottom to top, the vertical bearing assembly is beneficial to the relative rotation part of the vertical rotation system to rotate, a horizontal bearing assembly is arranged between the horizontal connecting shaft and the horizontal connecting disc, the horizontal bearing assembly comprises a thrust ball bearing, a dustproof check ring is arranged between the horizontal connecting shaft and the horizontal connecting disc, and the inner cavity of the laser instrument installation box is provided with a laser instrument positioning seat, the laser instrument positioning seat is connected with the laser instrument installation box through a positioning pin, a laser adjusting nail is arranged at the bottom of the laser instrument installation box, the laser adjusting nail sequentially penetrates through the laser instrument installation box and the laser instrument positioning seat and then abuts against the bottom of the laser instrument, the laser instrument positioning seat adopts a post-welding processing technology and needs time-effect treatment to eliminate internal stress, and the laser instrument positioning seat is of a four-frame structure; the laser adjusting nail is provided with screw teeth, threaded holes matched with the laser adjusting nail are formed in the laser instrument mounting box and the laser instrument positioning seat, one end of the laser adjusting nail is abutted against the mounting surface of the laser instrument, and the axis line of the laser instrument can be slightly adjusted in the up-and-down direction of the origin of a coordinate system established by a horizontal axis and a vertical axis by rotating the other end of the laser adjusting nail; the top surface of the laser instrument positioning seat is provided with a camera through a screw, the laser instrument and the camera are fixedly installed in parallel and are coincided with the vertical rotating shaft in the height direction, the holder base is provided with a first limiting rod, the machine body is provided with a second limiting rod, and the vertical grating seat is provided with a first limiting switch matched with the first limiting rod to control the rotating range of the machine body; and a second limit switch matched with the second limit rod is arranged on the machine body.

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