Automatic positioning device of rotary disk for measurement

Abstract

The utility model relates to the technical field of laser measurement, in particular to an automatic positioning device for a rotary disk for measurement, which comprises a rotary table, a central tray is fixedly connected to the central position of the rotary table, round sockets are arranged at the middle upper positions of the front end and the rear end of the central tray, and limiting insertion pipes are inserted into the round sockets. The inner clamping ring is fixedly connected with a limiting insertion pipe, the outer portion of the limiting insertion pipe is fixedly connected with an outer clamping ring, and the two sides of the outer clamping ring are fixedly connected with fastening clamping plates. According to the automatic positioning device for the rotary disc for measurement, after the automatic positioning device drives a measuring instrument to rotate in place, under the connection limitation of the center tray and the round inserting opening, an automatic positioning structure is used for replacing an original manual mode, a rotating assembly of the whole rotary disc is locked, and uncontrolled rotation of the rotary disc in subsequent use is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser measurement technical field, concretely is a kind of automatic positioning device for measurement with rotary disc. BACKGROUND

[0002] When laser measurement is carried out, rotary disc is a commonly used auxiliary tool, which is mainly used for clamping or fixing measuring instrument, so that the measuring instrument is convenient to operate when rotary measurement is carried out, and the measurement accuracy is improved, so as to ensure the accuracy and stability of the measuring instrument during use.

[0003] In the prior art, the rotary disc is used to fix the measuring instrument to facilitate the multi-angle measurement operation, and after rotation, manual locking is generally performed. However, in the case of multiple multi-angle measurement operations, the conventional manual positioning operation is often cumbersome and laborious. Therefore, the automatic positioning device for measurement with rotary disc is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an automatic positioning device for measurement with rotary disc to solve the problem of inconvenient and cumbersome positioning when using the rotary disc to fix the measuring instrument in the background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An automatic positioning device for measurement with rotary disc includes a rotary table, a center tray is fixedly connected to the center position of the rotary table, a circular socket is formed in the upper position of the front and rear ends of the center tray, a limiting pipe is inserted into the circular socket, an outer clamping ring is fixedly connected to the outside of the limiting pipe, fastening clamping plates are fixedly connected to the two sides of the outer clamping ring, an inner clamping ring is fixedly connected to the inside of the limiting pipe, a telescopic rod is fixedly installed on the inner side of the inner clamping ring, an adapter is fixedly installed on the movable end of the telescopic rod, positioning flaps are fixedly connected to the side of the adapter away from the movable end of the telescopic rod, an auxiliary rotary disc is arranged between the two positioning flaps, a center shaft is fixedly connected to the center position of the auxiliary rotary disc and rotates with the center tray, and the two fastening clamping plates are detachably connected together by bolts.

[0007] Preferably, a scale is arranged on the top edge of the center tray, and the center tray has a circular table structure.

[0008] Preferably, a fixed rotary disc body is fixedly connected to the top of the center shaft, a center hole is formed in the center position of the fixed rotary disc body, a protruding column is fixedly connected to the left side of the fixed rotary disc body, and the protruding column is arranged within the measurement range of the scale.

[0009] Preferably, the lower outer side of the central shaft rod is fixedly connected with a worm gear arranged in the central tray, one side of the worm gear is engagedly connected with a worm, the worm is rotatably arranged in the interior of a turntable, and the rear end of the turntable is provided with a drive motor with the worm connected thereto.

[0010] Preferably, the outer clamping ring and the central tray are abuttingly arranged, the limiting cannula is arranged on the central axis of the outer clamping ring, and the two positioning flaps are arranged in a semicircular structure in the interior of the central tray.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, the limiting cannula, the outer clamping ring, the fastening clamping plate, the inner clamping ring, the telescopic rod, the adapter and the positioning flap are arranged, so that the automatic positioning device for measurement can be rotated to the position with the measuring instrument, and then the automatic positioning structure composed of the limiting cannula, the outer clamping ring, the fastening clamping plate, the inner clamping ring, the telescopic rod, the adapter and the positioning flap is used to replace the previous manual mode to lock the rotating assembly of the whole rotary disc, so that uncontrolled rotation operation of the rotary disc in subsequent use is avoided, and the automatic positioning mode makes the whole measurement operation more convenient and saves labor and is convenient for the whole positioning operation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a central tray interior structure schematic view of the utility model;

[0015] Figure 3 It is a limiting cannula interior structure schematic view of the utility model.

[0016] In the drawing: 1, turntable; 2, central tray; 3, round socket; 4, limiting cannula; 5, outer clamping ring; 6, fastening clamping plate; 7, inner clamping ring; 8, telescopic rod; 9, adapter; 10, positioning flap; 11, auxiliary rotary disc; 12, central shaft rod; 13, worm gear; 14, worm; 15, drive motor; 16, scale; 17, convex column; 18, central circular hole; 19, fixed rotary disc body. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-3 , the present application provides a technical scheme:

[0019] A rotary disc automatic positioning device for measurement, comprising a turntable 1, the center position of the turntable 1 is fixedly connected with a center tray 2, the upper middle position of the front and rear ends of the center tray 2 is provided with a circular socket 3, the inside of the circular socket 3 is inserted with a limiting pipe 4, the outside of the limiting pipe 4 is fixedly connected with an outer clamping ring 5, the two sides of the outer clamping ring 5 are fixedly connected with a fastening clamping plate 6, the inside of the limiting pipe 4 is fixedly connected with an inner clamping ring 7, the inner side of the inner clamping ring 7 is fixedly installed with an extension rod 8, the movable end of the extension rod 8 is fixedly installed with an adapter 9, the adapter 9 is fixedly connected with a positioning gate piece 10 on the side away from the movable end of the extension rod 8, an auxiliary rotary disc 11 is arranged between the front and rear positioning gate pieces 10, the center position of the auxiliary rotary disc 11 is fixedly connected with a center shaft 12 which is rotatably connected with the center tray 2, and the front and rear fastening clamping plates 6 are detachably connected together by bolts.

[0020] As Figure 1 shown, the top end face edge position of the center tray 2 is provided with a scale 16, and the outer shape of the center tray 2 is provided in a circular table structure, which provides an auxiliary supporting effect when the fixed rotary disc body 19 rotates with the measuring instrument; the top end of the center shaft 12 is fixedly connected with a fixed rotary disc body 19 arranged above the center tray 2, the center position of the fixed rotary disc body 19 is provided with a center hole 18, the left side of the fixed rotary disc body 19 is fixedly connected with a protruding column 17, and the protruding column 17 is arranged within the measurement range of the scale 16; when the fixed rotary disc body 19 rotates, the relative indication of the protruding column 17 to the scale 16 can cooperate with the whole rotary disc to realize accurate rotation.

[0021] As Figure 1 , Figure 2 and Figure 3 shown, the lower outer side of the center shaft 12 is fixedly connected with a worm gear 13 arranged inside the center tray 2, one side of the worm gear 13 is meshingly connected with a worm 14, the worm 14 is rotatably arranged inside the turntable 1, the rear end of the turntable 1 is provided with a drive motor 15 connected with the worm 14, under the driving action of the drive motor 15, the mutual transmission cooperation of the worm 14 and the worm gear 13 can make the center shaft 12 rotate synchronously with the fixed rotary disc body 19.

[0022] The outer clamping ring 5 and the center tray 2 are in close contact, the middle axis of the cannula 4 is arranged on the outer clamping ring 5, the positioning flapper 10 is provided with two, the outer shape of the positioning flapper 10 is a half-ring structure, the positioning flapper 10 is arranged in the inside of the center tray 2, the cannula 4 is limited to be inserted into the inside of the circular socket 3, and when the front and rear two outer clamping rings 5 are bolted and spliced together, the spliced and installed arrangement is beneficial to the automatic positioning and convenient disassembly of the whole rotary disc, so that the positioning flapper 10 can be quickly replaced subsequently.

[0023] Work flow: the auxiliary tool in the utility model is used, the required electric energy is from an external power supply, and a PID controller that can set rotation parameters is externally connected to the driving motor 15, the telescopic rod 8 needs to be connected to a hydraulic system when used, the measuring instrument is combined and placed in the center hole 18 in advance, and the locking block used in combination is screwed and installed on the fixed rotary disc body 19, the measuring instrument is fastened and limited, so that it is fixed and installed, when the laser measurement work is carried out, when the rotary disc needs to be used, the driving motor 15 is started under the auxiliary control of the PID controller, the worm 14 is rotated, the worm wheel 13 is relatively rotated with the auxiliary rotary disc 11 and the fixed rotary disc body 19 through the center shaft 12, in the rotating process, the whole rotary disc can accurately indicate the scale 16 through the convex column 17, high-precision rotating operation to the specified degree is realized, when the fixed rotary disc body 19 rotates to the position with the measuring instrument and the driving motor 15 stops moving, under the connection and limitation of the cannula 4 and the outer clamping ring 5, the telescopic rod 8 is started to stretch, the center point of the center shaft 12 is pushed to the adapter 9 and the positioning flapper 10, the adapter 9 and the positioning flapper 10 are moved in the same direction, and the auxiliary rotary disc 11 is clamped and held, so that the center shaft 12 is locked, and the subsequent relative rotation of the center shaft 12 with the fixed rotary disc body 19 is prevented, and the whole rotary disc can realize automatic positioning operation.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic positioning device for a rotary table used for measurement, comprising a rotary table (1), characterized in that: A central tray (2) is fixedly connected to the center of the turntable (1). A round insertion port (3) is provided at the upper middle position of both ends of the central tray (2). A limiting insertion tube (4) is inserted into the round insertion port (3). An outer clamping ring (5) is fixedly connected to the outside of the limiting insertion tube (4). Fastening plates (6) are fixedly connected to both sides of the outer clamping ring (5). An inner clamping ring (7) is fixedly connected to the inside of the limiting insertion tube (4). A telescopic rod (8) is fixedly installed on the inner side of the inner clamping ring (7). An adapter (9) is fixedly installed at the movable end of the telescopic rod (8). A positioning gate (10) is fixedly connected to the side of the adapter (9) away from the movable end of the telescopic rod (8). An auxiliary turntable (11) is provided between the two positioning gates (10). A central shaft (12) that is rotatably connected to the central tray (2) is fixedly connected to the center of the auxiliary turntable (11). The two fastening plates (6) are detachably connected together by bolts.

2. The automatic positioning device for a rotary table for measurement according to claim 1, characterized in that: The top edge of the center tray (2) is provided with a scale (16), and the center tray (2) is a frustum-shaped structure.

3. The automatic positioning device for a rotary table for measurement according to claim 2, characterized in that: The top of the central shaft (12) is fixedly connected to a fixed turntable body (19) located above the central tray (2). A central circular hole (18) is provided at the center of the fixed turntable body (19). A protruding post (17) is fixedly connected to the left side of the fixed turntable body (19). The protruding post (17) is located within the measurement range of the scale (16).

4. The automatic positioning device for a rotary table for measurement according to claim 1, characterized in that: The lower outer side of the central shaft (12) is fixedly connected to a worm gear (13) located inside the central tray (2). A worm (14) is meshed with one side of the worm gear (13). The worm (14) is rotatably located inside the turntable (1). The rear end of the turntable (1) is provided with a drive motor (15) whose output end is connected to the worm (14).

5. The automatic positioning device for a rotary table for measurement according to claim 1, characterized in that: The outer clamping ring (5) and the central tray (2) are fitted together. The limiting insertion tube (4) is located on the central axis of the outer clamping ring (5). There are two positioning gates (10). The positioning gates (10) are semi-circular in shape and are located inside the central tray (2).

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