CN110617807A - Automatic centering marking device for forced centering of permanent point and high levelness - Google Patents

Abstract

The invention discloses a forced centering automatic centering marking device with a permanent point and high levelness, which comprises a centering seat, wherein the centering seat is arranged on a base, the centering seat is provided with three groups of supporting claws, the supporting claws are uniformly distributed on the surface of the centering seat, the top ends of the supporting claws adopt a double-step structure, the upper ends of the supporting claws are provided with centering tables, the bottom ends of the centering tables are provided with groove surfaces matched with the double-step structure of the supporting claws, the bottom ends of the centering tables are tangent with the double-step structure of the supporting claws, and the upper end surfaces of the centering tables are detachably provided with translation tables. The method saves the waste of asynchronous time caused by preparation before measurement, and has particularly remarkable effect of improving the measurement efficiency.

Description

A permanent point high level forced centering automatic centering marking device

technical field

The invention relates to the technical field of automatic centering marks, in particular to an automatic centering mark device for forced centering of permanent points with high level.

Background technique

The China Spallation Neutron Source (CSNS) park is equipped with a variety of instruments that need to be tested. The instruments are installed on the centering marks. The level of similar marks used in the past is generally only 2-5mm affected by concrete pouring. Moderately affected by thread positioning is generally only 0.2mm, and the center of the target and the center of the instrument cannot be automatically concentric, and only has a simple fixed support function. When the height of the support surface and the center position change, it cannot be found in time, and the change cannot be detected. Therefore, the position of the instrument cannot be adjusted accordingly, which seriously affects the measurement accuracy. In order to ensure the measurement accuracy, auxiliary tools such as measuring tapes and point throwing instruments must be used before and after each measurement to adjust the instrument to level and center, resulting in a lot of repetitive work and waste of time, which reduces the measurement efficiency.

Contents of the invention

The purpose of the present invention is to provide a kind of permanent point high level degree forced centering automatic centering mark device, to solve the above-mentioned background technology, the instrument is installed on the centering mark, the similar mark used before, its levelness is restricted by concrete pouring The impact is generally only 2-5mm, and its impact on moderate thread positioning is generally only 0.2mm, and the center of the target and the center of the instrument cannot be automatically concentric, and only have a simple fixed support function. When the height of the support surface and the center position change It cannot be discovered in time, the amount of change that occurs cannot be detected, and the position of the instrument cannot be adjusted accordingly, which seriously affects the measurement accuracy. In order to ensure the measurement accuracy, auxiliary tools such as measuring tapes and spotting instruments must be used before and after each measurement to adjust the instrument to level and center, resulting in a lot of repetitive work and waste of time, reducing the problem of measurement efficiency.

In order to achieve the above object, the present invention provides the following technical solutions: a permanent point high-level forced centering automatic centering marking device, including a centering seat, the centering seat is installed on the base, and the centering seat is There are three sets of supporting claws, and the supporting claws are evenly distributed on the surface of the centering seat. The top of the supporting claws adopts a double-step structure, and the upper end of the supporting claws is provided with a centering platform. The bottom end of the center table is provided with a groove surface matching the double-step structure of the supporting claw, and the bottom end of the centering table is tangent to the double-step structure of the supporting claw, and the upper end surface of the centering table is detachably installed with a translation platform, and The centering platform is located around the outer side of the translation platform, and an adjustment frame is provided, and a threaded hole is opened in the adjustment frame, and a fastening screw is threaded in the threaded hole of the adjustment frame, and one end of the fastening screw passes through the back of the adjustment frame Placed on the side wall of the translation platform, the translation platform adopts an oblique threaded top structure, and the centering platform is provided with a pointer seat on one side of the translation platform.

Preferably, the centering seat is provided with a mounting hole, and a centering seat fixing screw is inserted in the mounting hole, and the centering seat is connected to the base through the centering seat fixing screw.

Preferably, the centering platform is provided with a fixing hole that penetrates up and down, and the surface of the supporting claw is also provided with a fixing hole. The fixing hole of the centering platform and the fixing hole of the supporting claw are connected to each other after fixing, and the fixed The inner threads of the fixing holes of the center platform and the supporting claws are connected with centering platform hexagonal screws, and the centering platform is provided with screws on one side of the centering platform installation hexagonal screws.

Preferably, the bottom end of the translation platform is provided with a threaded hole, the centering platform is located inside the adjustment frame and is provided in the threaded hole, the threaded hole of the centering platform is internally threaded with a translation platform mounting bolt, and the translation platform The tail ends of the installation bolts are placed in the threaded holes of the translation platform, and washers are arranged on the installation bolts of the translation platform.

Preferably, the centering table and the adjustment frame are fixed by hexagonal bolts.

Preferably, a ball pad is provided between the fixing hole where the centering platform is located and the hexagonal screws for installing the centering platform.

Preferably, a pointer is installed on the pointer seat.

Preferably, there are three sets of adjustment mounts.

The invention provides a permanent point high-level forced centering automatic centering marking device, which has the following beneficial effects:

(1) The present invention arranges a centering seat on the base, and sets a double-step supporting claw on the centering seat, and installs a centering platform on the supporting claw, and sets a translation platform on the centering platform, so as to facilitate In the later stage, the instrument is installed on the translation platform. Among them, there are three sets of supporting claws. The three-claw structure greatly reduces the weight and facilitates installation on the basis of maintaining stability. Each supporting claw adopts a double-step structure, which is used for positioning The tangency, fixation and adjustment of the center platform; the translation platform adopts an oblique threaded top structure, and at the same time realizes the locking and adjustment of the above-placed instruments.

(2) By using the principle of tangential centering of the ball and the seat, the present invention realizes the integration of the three centers of the instrument center, the target center and the mark center with a simple structure, omitting the investment point, the amount height and the whole center of the instrument and the target. Flat operation, reduce error links, greatly improve measurement accuracy and efficiency, especially when multiple instruments need to be measured synchronously, it saves the waste of asynchronous time caused by pre-measurement preparation, and the effect of improving measurement efficiency is particularly significant.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the top view of the present invention;

Fig. 3 is a schematic diagram of the installation structure of the adjustment frame of the present invention.

In the figure: 1. Translation platform; 2. Adjusting frame; 3. Fastening screw; 4. Installation bolt of translation platform; 5. Centering platform; 6. Hexagonal bolt; 7. Washer; 8. Centering seat; Center seat fixing screw; 10. Centering table installation hexagonal screw; 11. Screw; 12. Ball cushion; 13. Pointer seat; 14. Support claw.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

As shown in Figures 1-3, the present invention provides a technical solution: a permanent point high-level forced centering automatic centering marking device, including a centering seat 8, which is installed on the base, The centering seat 8 is provided with supporting claws 14, the supporting claws 14 are provided with three groups, and the supporting claws 14 are evenly distributed on the surface of the centering seat 8, the top of the supporting claws 14 adopts a double-step structure, the The upper end of the supporting claw 14 is provided with a centering platform 5, and the bottom end of the centering platform 5 is provided with a groove surface matched with the double-step structure of the supporting claw 14, and the double-step structure of the bottom end of the centering platform 5 and the supporting claw 14 Tangentially, the upper end surface of the centering table 5 is detachably installed with a translation table 1, and the centering table 5 is located around the outside of the translation table 1 and is provided with an adjustment frame 2, and the inside of the adjustment frame 2 is provided with a threaded hole. The threaded hole of the adjustment frame 2 is connected with a fastening screw 3, and one end of the fastening screw 3 passes through the adjustment frame 2 and is placed on the side wall of the translation platform 1. The translation platform 1 adopts an oblique threaded top structure, The centering platform 5 is provided with a pointer seat 13 on one side of the translation platform 1 .

Preferably, the centering seat 8 is provided with a mounting hole, and a centering seat fixing screw 9 is interspersed in the mounting hole, and the centering seat 8 is connected to the base through the centering seat fixing screw 9. Under the effect of seat fixing screw 9, the installation of centering seat 8 can be made simple.

Preferably, the centering platform 5 is provided with a fixing hole that penetrates up and down, and the surface of the supporting claw 14 is also provided with a fixing hole, and the fixing hole of the centering platform 5 and the fixing hole of the supporting claw 14 are mutually fixed. through, and the fixing holes of the centering table 5 and the supporting claws 14 are internally threaded with the centering table installation hexagonal screws 10, and the centering table 5 is provided with a screw 11 on the side of the centering table installation hexagonal screws 10, and the centering table 5 is provided with a screw 11. The table mounting hex screws 10 are inserted into the fixing holes of the centering table 5 and the supporting claws 14, thereby making the installation of the supporting claws 14 simple.

Preferably, the bottom end of the translation platform 1 is provided with a threaded hole, and the centering platform 5 is located inside the adjustment frame 2 and is provided in the threaded perforation hole, and the threaded perforation hole of the centering platform 5 is internally threaded with a translation platform mounting bolt 4 , the tail end of the translation platform mounting bolt 4 is placed in the threaded hole of the translation platform 1, the translation platform installation bolt 4 is provided with a washer 7, and the translation platform 1 is connected to the centering platform 5 through the translation platform installation bolt 4 , making the translation platform 1 detachable.

Preferably, the centering platform 5 and the adjusting frame 2 are fixed by hexagonal bolts 6, so that the adjusting frame 2 and the centering platform 5 are detachable, which is convenient for later adjustment according to requirements.

Preferably, a ball pad 12 is provided between the fixing hole where the centering table 5 is located and the centering table installation hexagonal screw 10, and the ball pad 12 is used to increase the connection between the centering table installation hexagonal screw 10 and the centering table 5. Tightness.

Preferably, a pointer is installed on the pointer seat 13, and the pointer is installed on the pointer seat 13, which is convenient for installation.

Preferably, the adjustment mounts 2 are provided with three sets, so that the three sets of adjustment mounts 2 can be used to securely fix the translation platform 1 .

It should be noted that, for a permanent point high-level forced centering automatic centering marking device, when working, the centering seat 8 is placed on the base, and at the same time, the mounting hole of the centering seat 8 is aligned with the base. The mounting holes are aligned, and then threaded into the centering seat fixing screw 9, the centering seat 8 is fixed on the base by using the centering seat fixing screw 9, since the centering seat 8 is provided with three sets of supporting claws 14 of double-step structure, the The bottom end of the centering table 5 is tangent to the groove surface of the bottom surface of the supporting claw 14, and then the centering table is installed with hexagon screws 10 through the fixing holes of the centering table 5, and placed in the fixing holes on the step surface of the supporting claw 14, thereby Install the centering platform 5 on the three sets of supporting claws 14, and then clamp the translation platform 1 on the centering platform 5. When the translation platform 1 is placed on the centering platform 5, there are three sets of adjustment frames 2 on the outside of the translation platform 1 , and a rotatable fastening screw 3 is set on the adjustment frame 2, the tail end of the fastening screw 3 is in contact with the outer wall of the translation platform 1, and the translation platform 1 is squeezed and fixed by the fastening screw 3. When in use, the instrument is installed On the translation table 1, the pointer is installed on the pointer seat 13, and the levelness and centering can be adjusted accurately by using the ball on the pointer seat 13. When the centering table 5 is fixed by three sets of supporting claws 14, the On the basis of maintaining stability, the weight is greatly reduced and the installation is convenient. The double-step structure adopted by each supporting claw 14 is used for the tangency, fixation and adjustment of the centering platform 5 respectively. The translation platform adopts oblique thread alignment At the same time, the locking and adjustment of the above-mentioned instruments are realized. By using the principle of tangential centering of the ball and the seat, with a simple structure, the three-center integration of the instrument center, the target center and the mark center is realized, and the instrument center is omitted. It can greatly improve the measurement accuracy and efficiency, especially when multiple instruments need to be measured synchronously, which saves the waste of asynchronous time caused by the pre-measurement preparation. The improvement effect of measurement efficiency is particularly remarkable.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. The automatic centering marking device for forced centering of the permanent point with high levelness comprises a centering seat (8) and is characterized in that the centering seat (8) is mounted on a base, supporting claws (14) are arranged on the centering seat (8), three groups of the supporting claws (14) are arranged, the supporting claws (14) are uniformly distributed on the surface of the centering seat (8), the top ends of the supporting claws (14) adopt a double-step structure, a centering table (5) is arranged at the upper end of the supporting claws (14), groove surfaces matched with the double-step structure of the supporting claws (14) are arranged at the bottom end of the centering table (5), the bottom end of the centering table (5) is tangent to the double-step structure of the supporting claws (14), a translation table (1) is detachably mounted on the upper end surface of the centering table (5), an adjusting frame (2) is arranged around the centering table (5) which is positioned outside the translation table (1), and threaded holes are formed in the adjusting frame (2), threaded hole female connection of adjustment frame (2) has fastening screw (3), arrange the lateral wall of translation platform (1) in behind adjustment frame (2) is run through to the one end of fastening screw (3), translation platform (1) adopts put screw thread to the top structure to one side, centering platform (5) are located translation platform (1) one side and are equipped with pointer seat (13).

2. A permanent high-level forced centering self-centering marking device according to claim 1, wherein: the centering seat (8) is provided with a mounting hole, a centering seat fixing screw (9) penetrates through the mounting hole, and the centering seat (8) is connected to the base through the centering seat fixing screw (9).

3. A permanent high-level forced centering self-centering marking device according to claim 1, wherein: the centering table (5) is provided with a fixing hole which penetrates through the upper portion and the lower portion, the surface, located on the step, of the supporting claw (14) is also provided with a fixing hole, the fixing hole of the centering table (5) and the fixing hole of the supporting claw (14) are communicated with each other after fixing, a centering table mounting hexagon screw (10) is connected to the fixing holes of the centering table (5) and the supporting claw (14) in a threaded mode, and a screw (11) is arranged on one side, located on the centering table mounting hexagon screw (10), of the centering table (5).

4. A permanent high-level forced centering self-centering marking device according to claim 1, wherein: the bottom of translation platform (1) is equipped with the screw hole, centering platform (5) are located adjustment frame (2) inboard and locate the screw and perforate, the screw perforation internal thread connection of centering platform (5) has translation platform construction bolt (4), the threaded hole of translation platform (1) is arranged in to the tail end of translation platform construction bolt (4), be equipped with packing ring (7) on translation platform construction bolt (4).

5. A permanent high-level forced centering self-centering marking device according to claim 1, wherein: the centering table (5) and the adjusting frame (2) are fixed through a hexagon bolt (6).

6. A permanent high-level forced centering self-centering marking device according to claim 1, wherein: and a ball pad (12) is arranged between the fixing hole where the centering table (5) is located and the centering table mounting hexagon screw (10).

7. A permanent high-level forced centering self-centering marking device according to claim 1, wherein: and a pointer is arranged on the pointer seat (13).

8. A permanent high-level forced centering self-centering marking device according to claim 1, wherein: the adjusting frame (2) is provided with three groups.