CN110224227A - A kind of detection tool device - Google Patents

Abstract

The invention relates to a checking tool device. The checking fixture device includes a bottom plate; a height adjustment assembly, including a screw rod and a height adjustment seat, the screw rod for testing is vertically arranged on the bottom plate for testing, and the height adjustment seat for testing cooperates with the screw rod for testing, and can be raised and lowered along the screw rod for testing And it is fixed at a set height; the rotating disk mounting seat is rotatably matched with the height adjustment seat for testing, and the rotating disk mounting seat for testing can rotate up and down relative to the horizontal position and can be fixed at a set rotation angle; the rotating disk , used to fix the waveguide horn antenna for testing. The rotating disk for testing is set on the mounting base of the rotating disk for testing and the end far away from the height adjustment seat for testing. The rotating disk for testing can rotate around its axis and can be fixed at a set position. on the rotation angle. The invention provides a checking tool device, which is convenient for adjusting the waveguide horn antenna used for testing, and is easy to operate and safe and reliable to use.

Description

A checking device

technical field

The invention relates to the technical field of vehicle component testing, in particular to a testing device suitable for waveguide horn antenna testing.

Background technique

The waveguide horn antenna is used in the radio frequency electromagnetic field radiation immunity test items of general electrical products, automobiles, and auto parts. Before the test, it is necessary to adjust the height, pitch angle, and flipping of its own horizontal and vertical polarization directions.

When the waveguide horn antenna is imported, the manufacturer only sells the horn antenna and does not provide a set of devices that can adjust its height, pitch angle, and its own horizontal and vertical polarization directions. Moreover, the testing standards are not the same, and the requirements for the height, pitch angle, and horizontal and vertical polarization direction inversion of the waveguide horn antenna are also different, so there is an urgent need for a device with reasonable design and convenient operation, which can meet different standards. A test device that can meet different requirements and improve monitoring efficiency.

At present, most of the antenna brackets for laboratories on the market only temporarily support the waveguide horn antenna at a certain height. If it needs to be raised or lowered, or the adjustment of the pitch angle needs to use additional pads, etc., it is not stable when used. And there is a danger of overturning and overturning, which will affect the test.

Contents of the invention

Aiming at the above-mentioned problems in the prior art, the present invention proposes a checker device, which is convenient for adjusting the waveguide horn antenna for testing, and is easy to operate and safe and reliable to use.

Specifically, the present invention proposes a checker device suitable for waveguide horn antennas, including:

floor;

The height adjustment assembly includes a screw rod and a height adjustment seat. The screw rod is vertically arranged on the bottom plate. The height adjustment seat cooperates with the screw rod and can be lifted and lowered along the screw rod and fixed at a set position. height;

The rotating disk mounting seat is rotatably matched with the height adjustment seat, and the rotating disk mounting seat can rotate up and down relative to the horizontal position and can be fixed at a set rotation angle;

The rotating disk is used to fix the waveguide horn antenna. The rotating disk is arranged on the rotating disk mounting base and away from the end of the height adjustment seat. The rotating disk can rotate around its axis and can be fixed on a Set the rotation angle on.

According to an embodiment of the present invention, the height adjustment assembly further includes a screw rod installation tube, the screw rod installation tube is vertically fixed on the bottom plate, and the bottom of the screw rod is inserted and fixed in the screw rod installation tube.

According to an embodiment of the present invention, it further includes a diagonal brace, welded and fixed on the screw rod installation pipe and the bottom plate, for fixing the screw rod installation pipe.

According to an embodiment of the present invention, the height adjustment seat is a hollow structure, which is sleeved on the screw rod, and an upper screw nut and a lower screw threaded with the screw rod are also provided on the screw rod. rod nut, the upper screw nut is arranged above the height adjustment seat for fixing the height adjustment seat, the lower screw nut is arranged below the height adjustment seat through a plane bearing, and the lower screw nut is arranged under the height adjustment seat through a plane bearing. The screw nut is used to drive the height adjustment seat to rise or fall.

According to one embodiment of the present invention, a long slot in the vertical direction is opened on the screw rod, and a flat key is provided on the inner wall of the height adjustment seat, and the flat key cooperates with the long slot to limit the The height adjusting seat rotates around the axis of the screw rod.

According to an embodiment of the present invention, an outwardly extending flange is provided on the height adjustment seat, and a card slot is opened on the rotating disc mounting seat, and the flange extends into the card slot and is in contact with the The said card slot is matched, and the rotating disk mounting seat is rotatably matched with the height adjusting seat through a horizontal shaft passing through the flange and the card slot, so that the rotating disk mounting seat can rotate in a direction perpendicular to the horizontal plane And can be fixed on a set rotation angle.

According to an embodiment of the present invention, the set rotation angle is -30°～+30°.

According to an embodiment of the present invention, a scribe line is marked on the rotating disk mounting seat to indicate the rotation angle of the rotating disk mounting seat.

According to one embodiment of the present invention, it also includes a bracket arm and an adjustment assembly, the bracket arm is arranged on the height adjustment seat, one end of the adjustment assembly is hinged to the bracket arm, and the adjustment assembly The other end is hinged to the free end of the rotating disc mount;

The adjustment assembly includes an adjustment screw and an adjustment nut that are screwed together.

According to an embodiment of the present invention, the rotating disk is arranged on the rotating disk mounting base through rolling bearings.

The invention provides a testing device suitable for waveguide horn antenna testing, which is convenient for flipping and adjusting the height, pitch angle, and horizontal and vertical polarization directions of the waveguide horn antenna, thereby improving testing efficiency and reducing labor intensity of operators.

It is to be understood that both the foregoing general description and the following detailed description of the invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

Description of drawings

The accompanying drawings are included to provide further understanding of the present invention, and they are incorporated and constitute a part of this application. The accompanying drawings illustrate embodiments of the present invention and together with the specification serve to explain the principle of the present invention. In the attached picture:

Fig. 1 shows a first structural schematic diagram of a checking fixture device according to an embodiment of the present invention.

FIG. 2 is a partially enlarged view of FIG. 1 .

Fig. 3 shows the second structural schematic diagram of the checking fixture device according to one embodiment of the present invention.

FIG. 4 is a partially enlarged view of FIG. 3 .

Wherein, the above-mentioned accompanying drawings include the following reference signs:

Gauge device 100 Bottom plate 101

Height Adjustment Assembly 102 Rotary Disk Mount 103

Rotary disc 104 Screw rod 105

Height Adjustment Base 106 Waveguide Horn Antenna 107

Screw mounting tube 108 Diagonal brace 109

Upper screw nut 110 Lower screw nut 111

Plain bearing 112 Slot 113

set screw 114 flange 115

Card Slot 116 Carriage Arm 117

Adjustment assembly 118 Adjustment screw 119

Adjusting nut 120 Angle marking line 121

Zero mark 122 Locating pin 124

Turn handle 125 Horizontal pivot 126

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way serves as any limitation of the application, its application or uses. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

The relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification. In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present application, it should be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate the orientation Or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate or imply the device or element referred to It must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the protection scope of the present application; the orientation words "inner and outer" refer to the inner and outer relative to the outline of each component itself.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations”. Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. To limit the protection scope of this application. In addition, although the terms used in this application are selected from well-known and commonly used terms, some terms mentioned in the specification of this application may be selected by the applicant according to his or her judgment, and their detailed meanings are listed in this article described in the relevant section of the description. Furthermore, it is required that this application be understood not only by the actual terms used, but also by the meaning implied by each term.

Fig. 1 shows a first structural schematic diagram of a checking fixture device according to an embodiment of the present invention. FIG. 2 is a partially enlarged view of FIG. 1 . Fig. 3 shows the second structural schematic diagram of the checking fixture device according to one embodiment of the present invention. FIG. 4 is a partially enlarged view of FIG. 3 . As shown in the figure, a test fixture device 100 suitable for waveguide horn antenna inspection includes a bottom plate 101 , a height adjustment assembly 102 , a rotating disk mounting base 103 and a rotating disk 104 .

Wherein, the height adjustment assembly 102 includes a screw rod 105 and a height adjustment seat 106 . The screw rod 105 is vertically arranged on the base plate 101 , and the height adjusting seat 106 cooperates with the screw rod 105 . The height adjusting seat 106 can be raised and lowered along the screw rod 105 and fixed at a set height.

The rotating disk mounting seat 103 is rotatably matched with the height adjusting seat 106 . The rotating disk mounting base 103 can rotate up and down relative to the horizontal position and can be fixed at a set rotation angle. It is easy to understand that the rotating disk mounting base 103 can make a nodding or raising motion to rotate up and down by a pitch angle in a direction perpendicular to the horizontal plane.

The rotating disk 104 is used to fix the waveguide horn antenna 107 for testing. Conventionally, the waveguide horn antenna 107 is fixed on the rotating disk 104 by screws, so that the central axes of the two coincide. The rotating disk 104 is disposed on the rotating disk mounting base 103 and away from the end of the height adjustment base 106 , and is equivalent to a free end mounted on the rotating disk mounting base 103 . The rotating disk 104 can drive the waveguide horn antenna 107 to rotate around the axis of the rotating disk 104, and the rotating disk 104 can be fixed at a predetermined rotation angle.

From above, the elevation of the height adjustment seat 106 can drive the rotating disc mounting base 103 , the rotating disc 104 and the waveguide horn antenna 107 up and down, so it can be used to adjust the height of the waveguide horn antenna 107 up and down. The rotating disk mounting base 103 can drive the rotating disk 104 and the waveguide horn antenna 107 to rotate by a pitch angle. The rotating disk 104 is used to drive the waveguide horn antenna 107 to flip and adjust a suitable angle along its own horizontal and vertical polarization directions. Therefore, the inspection fixture device 100 provided by the present invention facilitates lifting, adjusting the pitch angle, and flipping the waveguide horn antenna 107 for testing, thereby improving testing efficiency and reducing labor intensity of testing operators.

Preferably, the height adjustment assembly 102 further includes a threaded rod installation tube 108 . The threaded rod installation pipe 108 is vertically fixed on the bottom plate 101 by screws. The bottom of the screw mandrel 105 is inserted downwards into the hole of the screw mandrel installation tube 108 and fixed. The outer diameter of the screw mandrel 105 is equivalent to the inner diameter of the screw mandrel installation tube 108 , and the screw mandrel installation tube 108 is convenient for the installation and fixing of the screw mandrel 105 .

Preferably, the checking fixture device 100 further includes a diagonal brace 109 . As shown in Figure 1, two diagonal braces 109 are respectively welded and fixed on the screw rod installation pipe 108 and the bottom plate 101, and a suitable angle is staggered between the two. The diagonal braces 109 are used to support the screw rod installation pipe 108 and are installed on components on the. The brace 109 plays a role of stabilizing the entire checking fixture device 100 .

Further, the height adjustment seat 106 is a hollow structure, and the height adjustment seat 106 is sheathed on the screw rod 105 . The screw mandrel 105 is also provided with an upper screw nut 110 and a lower screw nut 111 threadedly engaged with the screw mandrel 105 , and the upper screw nut 110 is arranged above the height adjustment seat 106 for fixing the height adjustment seat 106 . The lower screw nut 111 is arranged below the height adjustment seat 106 through a plane bearing 112, and the lower screw nut 111 is used to drive the height adjustment seat 106 to rise or fall. When the lower screw nut 111 goes up, it drives the height adjustment seat 106 to go up; when the lower screw nut 111 goes down, the height adjustment seat 106 and the parts arranged thereon go down according to its own weight. During the lifting process of the height adjustment seat 106, first rotate and loosen the upper screw nut 110, then rotate the lower screw nut 111, the lower screw nut 111 is threaded with the screw rod 105 and drives the height adjustment seat 106 to rise through the plane bearing 112 Or descend a set height, then tighten the upper screw nut 110, so that the upper screw nut 110 presses the height adjustment seat 106 downwards, and then the height of the height adjustment seat 106 is fixed. Wherein, the plane bearing 112 is used to reduce the friction generated by the contact between the lower screw nut 111 and the bottom surface of the height adjustment seat 106 .

Preferably, a long slot 113 in the vertical direction is opened on the threaded rod 105 . A flat key is provided on the inner wall of the height adjustment seat 106, and the flat key cooperates with the long groove 113 to limit the rotation of the height adjustment seat 106 around the axis of the screw rod 105 during the adjustment process. Similarly, a fixing screw 114 is provided on the screw mounting tube 108, and the end of the fixing screw 114 extends into the long groove 113, so as to avoid that the screw rod 105 is opposite to the screw mounting tube 108 in the process of adjusting the height adjustment seat 106. produce rotation.

Preferably, an outwardly extending flange 115 is provided on the height adjustment seat 106 , and a slot 116 is opened on the rotating disk mounting base 103 , and the flange 115 extends into the slot 116 and cooperates with the slot 116 . The rotating disk mounting base 103 is rotatably engaged with the height adjusting base 106 through a horizontal shaft 126 passing through the flange 115 and the slot 116 . Through the cooperation of the rotating shaft 126 , the slot 116 and the flange 115 , the rotating disk mounting base 103 can rotate in a vertical plane perpendicular to the horizontal plane and can be fixed at a set rotation angle. It is easy to understand that, as an example and not a limitation, the positions of the flange 115 on the height adjustment seat 106 and the slot 116 on the rotating disk mounting seat 103 can be interchanged, as long as the rotation of the height adjusting seat 106 and the rotating disk mounting seat 103 can be realized Cooperate.

Preferably, the inspection fixture device 100 further includes a bracket arm 117 and an adjustment assembly 118 . The bracket arm 117 is arranged on the height adjustment seat 106 , one end of the adjustment assembly 118 in the length direction is hinged with the bracket arm 117 , and the other end of the adjustment assembly 118 is hinged with the free end of the rotating disc mount 103 . Specifically, the adjustment assembly 118 includes an adjustment screw 119 and an adjustment nut 120 that are screwed together. The end of the adjustment screw 119 away from the adjustment nut 120 is hinged to the bracket arm 117 , and the end of the adjustment nut 120 away from the adjustment screw 119 is hinged to the bottom edge of the free end of the rotating disk mounting base 103 . The length direction of the adjusting screw 119 and the adjusting nut 120 basically falls in the rotation plane of the rotating disk mounting base 103 , and the adjusting screw 119 and adjusting nut 120 are used to adjust the rotation angle of the rotating disk mounting base 103 . Fasteners are provided on the adjusting screw 119 for fastening the mutual positions of the adjusting nut 120 and the adjusting screw 119 . In the process of adjusting the pitch angle of the rotating disk mounting base 103 , first unscrew the fastener, and then rotate the adjusting screw 119 to lift or lower the free end of the adjusting rotating disk mounting base 103 to adjust its rotation angle. After the angle is determined to be adjusted, tighten the fastener so that the positions of the adjusting nut 120 and the adjusting screw rod 119 are fixed. Usually, the bottom of the bracket arm 117 protrudes downward from the bottom of the lower screw nut 111 , and the end of the adjustment screw 119 away from the adjustment nut 120 is hinged to the bottom of the bracket arm 117 to obtain a relatively long adjustment stroke.

More preferably, the rotation angle of the rotating disk mount 103 is -30°～+30°, that is, the adjustable range of the pitch angle of the waveguide horn antenna 107 is -30°～+30°, and this rotation angle range can already cover the Test requirements for waveguide horn antenna 107.

Preferably, referring to FIG. 2 , an angle marking line 121 is marked on the rotating disc mounting base 103 to indicate the rotation angle of the rotating disc mounting base 103 . Conventionally, the marking range of the angle reticle 121 is -30°～+30°, and the stroke of two adjacent reticle lines is 1°. More preferably, a zero-degree marking line 122 is provided on the flange 115 or the bracket arm 117 , and the zero-degree marking line 122 can be used in conjunction with the angle marking line 121 to facilitate observation of the pitch angle of the waveguide horn antenna 107 .

Preferably, the rotating disk 104 is arranged on the rotating disk mounting base 103 through rolling bearings, and the rolling bearings are used to reduce the rotational friction of the waveguide horn antenna 107 due to its own weight. A positioning pin 124 is provided on the rotating disk 104 for fixing the relative position between the rotating disk 104 and the rotating disk mounting seat 103 after rotation. Conventionally, the waveguide horn antenna 107 performs detection every time it is flipped by 90°.

Preferably, the vertical projection of the waveguide horn antenna 107 falls within the vertical projection of the bottom plate 101, that is, the center of gravity of the rotating disc mount 103, the rotating disc 104 and the waveguide horn antenna 107 falls within the bottom plate 101, so that the structure of the entire checking device 100 More stable, convenient and safe to operate.

The adjustment process of the waveguide horn antenna 107 will be specifically described below in conjunction with all the accompanying drawings.

The waveguide horn antenna 107 is mainly used in a closed room to diffuse the interference wave produced by the control cabinet through the waveguide horn antenna 107 and shoot the interference wave to a specific object under test (car), so as to detect the status of all electrical appliances inside. Anti-interference performance. Therefore, the waveguide horn antenna 107 needs to be adjusted to a proper position before testing.

First, adjust the height of the waveguide horn antenna 107 as required. Unclamp the upper screw nut 110 above the height adjustment seat 106, rotate the lower screw nut 111, and the lower screw nut 111 rises to drive the height adjustment seat 106 and the parts installed thereon to rise synchronously by the plane bearing 112. Flat keys are set in the height adjustment seat 106, so the height adjustment seat 106 can only move vertically up and down along the long groove 113 of the screw mandrel 105 and can not rotate around the screw mandrel 105. The plane bearing 112 can effectively reduce the frictional force generated between the lower screw nut 111 and the height adjustment seat 106 . When rising to the required position, lock the upper screw nut 110 above to fix the height adjustment seat 106 . Next, adjust the pitch angle of the waveguide horn as required, that is, adjust the up and down rotation angle of the rotating disc mount 103 . Loosen the fasteners on the adjusting bolts of the rotating disk mounting base 103, and rotate the adjusting bolts so that they move closer or far away from the adjusting nut 120, and then drive the free end of the rotating disk mounting base 103 to rotate downwards or upwards, and also It is to drive the waveguide horn antenna 107 to rotate downward or upward. After turning to a desired angle (visually inspecting the angle marking line 121), tighten the fastener to fix the adjusting bolt and the adjusting nut 120, and complete the adjustment of the pitch angle. Finally, the rotation angle of the waveguide horn antenna 107 around the axis of the rotating disk 104 is rotated as required. The waveguide horn antenna 107 can be rotated at intervals of 90°, and positioning pins 124 are provided on the rotating disk 104 . Pull out the rotating positioning pin 124, grasp the outwardly protruding rotating handle 125 on the rotating disk 104 to rotate the rotating disk 104 to a required angle, insert the positioning pin 124, and fix the rotating disk 104. So far, the waveguide horn antenna 107 is adjusted to a proper position, and the anti-jamming performance test can be performed.

It is easy to understand that the bottom plate 101 is suitable for being fixed on the trolley, so as to facilitate the overall movement and shifting of the checking fixture device 100 .

The advantages of the checking device provided by the present invention are as follows:

1. Plane bearings and rolling bearings are used for the lifting of the waveguide horn antenna and the flip adjustment of its own horizontal and vertical polarization directions, which reduces the labor intensity of manual adjustment.

2. The long groove of the screw rod cooperates with the flat key of the height adjustment seat, so that the waveguide horn antenna can only move up and down along the screw rod, and will not rotate around the axis of the screw rod.

3. The entire inspection device is C-shaped when viewed from the side. The screw rod is used as a column, and the waveguide horn antenna falls in the vertical projection of the bottom plate. Combined with the diagonal brace, the structure of the inspection device is stable, easy to adjust, and the test is safe and reliable.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention that come within the scope of the appended claims and their equivalents.

Claims (10)

1. A checking device, suitable for waveguide horn antennas, comprising, floor; The height adjustment assembly includes a screw rod and a height adjustment seat. The screw rod is vertically arranged on the bottom plate. The height adjustment seat cooperates with the screw rod and can be lifted and lowered along the screw rod and fixed at a set position. height; The rotating disk mounting seat is rotatably matched with the height adjustment seat, and the rotating disk mounting seat can rotate up and down relative to the horizontal position and can be fixed at a set rotation angle; The rotating disk is used to fix the waveguide horn antenna. The rotating disk is arranged on the rotating disk mounting base and away from the end of the height adjustment seat. The rotating disk can rotate around its axis and can be fixed on a Set the rotation angle on. 2. The checking fixture device according to claim 1, wherein the height adjustment assembly further comprises a screw rod installation tube, the screw rod installation tube is vertically fixed on the bottom plate, and the bottom of the screw rod is inserted into fixed in the screw rod installation tube. 3 . The checking fixture device according to claim 2 , further comprising a brace, welded and fixed on the screw rod installation pipe and the bottom plate, for fixing the screw rod installation pipe. 4 . 4. The checking fixture device according to claim 1, characterized in that, the height adjustment seat is a hollow structure, which is sheathed on the screw rod, and the screw rod is also provided with a screw thread with the screw rod. Cooperating upper screw nut and lower screw nut, the upper screw nut is arranged above the height adjustment seat for fixing the height adjustment seat, and the lower screw nut is arranged on the said height adjustment seat through a plane bearing Below the height adjustment seat, the lower screw nut is used to drive the height adjustment seat to rise or fall. 5. The checking fixture device according to claim 4, wherein a long groove in the vertical direction is provided on the screw mandrel, and a flat key is provided on the inner wall of the height adjustment seat, and the flat key and the The long slot cooperates to limit the rotation of the height adjusting seat around the axis of the screw rod. 6. The checking fixture device according to claim 1, characterized in that, an outwardly extending flange is provided on the height adjustment seat, and a card slot is opened on the rotating disk mounting seat, and the flange Extending into the card slot and cooperating with the card slot, the rotating disk mounting seat is rotatably matched with the height adjustment seat through a horizontal shaft passing through the flange and the card slot, so that the rotating disk mounting seat can Rotates in a direction perpendicular to the horizontal plane and can be fixed at a set rotation angle. 7. The inspection fixture device according to claim 6, wherein the set rotation angle is -30° to +30°. 8 . The inspection fixture device according to claim 6 , wherein a scribe line is marked on the rotating disc mounting base to indicate the rotation angle of the rotating disc mounting base. 9 . 9. The inspection tool device according to claim 1, further comprising a bracket arm and an adjustment assembly, the bracket arm is arranged on the height adjustment seat, and one end of the adjustment assembly is connected to the bracket The frame arm is hinged, and the other end of the adjustment assembly is hinged with the free end of the rotating disk mounting seat; The adjustment assembly includes an adjustment screw and an adjustment nut that are screwed together. 10 . The checking fixture device according to claim 1 , wherein the rotating disk is arranged on the rotating disk mounting base through rolling bearings. 11 .