CN209963262U

CN209963262U - Checking fixture device

Info

Publication number: CN209963262U
Application number: CN201921061403.1U
Authority: CN
Inventors: 顾海雷; 罗意; 周子涵; 丁珺
Original assignee: Shanghai Motor Vehicle Inspection Certification and Tech Innovation Center Co Ltd
Current assignee: Shanghai Motor Vehicle Inspection Certification and Tech Innovation Center Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-01-17
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to an examine a device. The checking fixture device comprises a bottom plate; the height adjusting assembly comprises a screw rod and a height adjusting seat, the testing screw rod is vertically arranged on the testing bottom plate, and the testing height adjusting seat is matched with the testing screw rod, can lift along the testing screw rod and is fixed at a set height; the rotating disc mounting seat is in rotating fit with the testing height adjusting seat, can rotate up and down relative to the horizontal position and can be fixed at a set rotating angle; the rotary disk is used for fixing the waveguide horn antenna for the test, the rotary disk for the test is arranged on the mounting seat of the rotary disk for the test and is far away from one end of the height adjusting seat for the test, and the rotary disk for the test can rotate around the axis of the rotary disk for the test and can be fixed at a set rotation angle. The utility model provides an examine a device, the waveguide horn antenna of test usefulness is conveniently adjusted to convenient operation, uses safe and reliable.

Description

Checking fixture device

Technical Field

The utility model relates to a vehicle parts tests technical field, especially relates to an examine a device that is suitable for waveguide horn antenna test to use.

Background

The waveguide horn antenna is used in radio frequency electromagnetic field radiation immunity test items of general electric products, whole automobiles and automobile parts. Before testing, the antenna needs to be adjusted in height, pitching angle and self-horizontal and vertical polarization direction.

Since the manufacturers of the waveguide horn antenna only sell the horn antenna at the time of import, a set of devices capable of carrying out height, pitching angle and self horizontal and vertical polarization direction overturning adjustment on the waveguide horn antenna is not provided. And the tested standards are different, and the requirements for the height, the pitching angle and the overturning of the self horizontal and vertical polarization direction during the test of the waveguide horn antenna are different, so that a device which is reasonable in design and convenient to operate is urgently needed, different requirements of different standards can be met, and the testing device of the monitoring efficiency can be improved.

Most of the antenna supports on the market at present, which are equipped for laboratories, only support the waveguide horn antenna at a certain height temporarily, and if the waveguide horn antenna needs to be lifted or lowered, and an additional cushion block needs to be used for adjusting the pitching angle, the waveguide horn antenna is unstable in use and has the danger of overturning and overturning, thereby affecting the test.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem of prior art, the utility model provides an examine a device, the waveguide horn antenna of test usefulness is conveniently adjusted, convenient operation uses safe and reliable.

In particular, the utility model provides a checking fixture device which is suitable for a waveguide horn antenna and comprises,

a base plate;

the height adjusting assembly comprises a screw rod and a height adjusting seat, the screw rod is vertically arranged on the bottom plate, and the height adjusting seat is matched with the screw rod, can lift along the screw rod and is fixed at a set height;

the rotating disc mounting seat is in rotating fit with the height adjusting seat, can rotate up and down relative to a horizontal position and can be fixed at a set rotating angle;

the rotary disc is used for fixing the waveguide horn antenna, the rotary disc is arranged on the rotary disc mounting seat and is far away from one end of the height adjusting seat, and the rotary disc can rotate around the axis of the rotary disc mounting seat and can be fixed at a set rotating angle.

According to the utility model discloses an embodiment, height adjusting subassembly still includes lead screw installation pipe, lead screw installation pipe vertical fixation is in on the bottom plate, the bottom of lead screw is inserted and is fixed in the lead screw installation pipe.

According to the utility model discloses an embodiment still includes the bracing, welded fastening is in on lead screw installation pipe and the bottom plate, be used for fixing the lead screw installation pipe.

According to the utility model discloses an embodiment, altitude mixture control seat is hollow structure, and the cover is established on the lead screw still be equipped with on the lead screw with lead screw thread fit's last screw nut and lower screw nut, it sets up to go up the screw nut the top of altitude mixture control seat is used for fixing altitude mixture control seat, screw nut sets up through a plane bearing down the below of altitude mixture control seat, screw nut is used for driving down the altitude mixture control seat rises or descends.

According to the utility model discloses an embodiment, set up the ascending elongated slot of vertical side on the lead screw, be equipped with the parallel key on the inner wall of altitude mixture control seat, the parallel key with the elongated slot cooperation is in order to restrict the altitude mixture control seat centers on rotate in the axis direction of lead screw.

According to the utility model discloses an embodiment be equipped with the flange of outside extension on the altitude mixture control seat the draw-in groove has been seted up on the rotary disk mount pad, the flange stretches into the draw-in groove and with the draw-in groove cooperation, the rotary disk mount pad is through a running through the horizontal rotating shaft of flange and draw-in groove with altitude mixture control seat normal running fit makes the rotary disk mount pad can rotate and can be fixed on a settlement turned angle in the direction of a perpendicular to horizontal plane.

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

According to the utility model discloses an embodiment, mark the ruling on the rotary disk mount pad for show the turned angle of rotary disk mount pad.

According to an embodiment of the utility model, still include bracket arm and adjusting part, bracket arm sets up on the height-adjusting seat, one end of the adjusting part is articulated with bracket arm, the other end of the adjusting part is articulated with the free end of rotary disk mount pad;

the adjusting component comprises an adjusting screw rod and an adjusting nut which are in threaded fit with each other.

According to the utility model discloses an embodiment, the rotary disk passes through antifriction bearing and sets up on the rotary disk mount pad.

The utility model provides a pair of be suitable for waveguide horn antenna test and use examine a device, convenient height, every single move angle and the upset adjustment of self horizontal vertical polarization direction to waveguide horn antenna to promote efficiency of software testing, reduce operating personnel intensity of labour.

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

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:

fig. 1 shows a first schematic structural diagram of an inspection device according to an embodiment of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 shows a schematic structural diagram ii of an inspection device according to an embodiment of the present invention.

Fig. 4 is a partially enlarged view of fig. 3.

Wherein the figures include the following reference numerals:

base plate 101 of test tool device 100

Height adjustment assembly 102 rotates disk mount 103

Rotating disc 104 lead screw 105

Height adjusting seat 106 waveguide horn antenna 107

Screw rod mounting tube 108 inclined strut 109

Upper feed screw nut 110 and lower feed screw nut 111

Plain bearing 112 elongated slot 113

Set screw 114 flange 115

Card slot 116 bracket arm 117

Adjustment assembly 118 adjusts screw 119

Adjusting nut 120 angular groove 121

Zero degree marking 122 locating pin 124

Horizontal rotating shaft 126 of rotating handle 125

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. 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 a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.

Fig. 1 shows a first schematic structural diagram of an inspection device according to an embodiment of the present invention. Fig. 2 is a partially enlarged view of fig. 1. Fig. 3 shows a schematic structural diagram ii of an inspection device according to an embodiment of the present invention. Fig. 4 is a partially enlarged view of fig. 3. As shown, a gauge apparatus 100 suitable for waveguide feedhorn detection includes a base plate 101, a height adjustment assembly 102, a rotary disk mount 103, and a rotary disk 104.

Wherein, the height adjusting assembly 102 comprises a lead screw 105 and a height adjusting seat 106. The screw 105 is vertically arranged on the bottom plate 101, and the height adjusting seat 106 is matched with the screw 105. The height adjusting base 106 can be lifted along the screw rod 105 and fixed at a set height.

The rotary disk mount 103 is in rotational engagement with the height adjustment mount 106. The rotary disk mounting seat 103 can rotate up and down relative to a horizontal position and can be fixed at a set rotation angle. As will be readily appreciated, the rotary disk mount 103 is capable of performing a nodding or raising motion to rotate up and down a pitch angle in a direction perpendicular to the horizontal plane.

The rotary disk 104 is used to fix a waveguide horn antenna 107 for testing. Conventionally, the waveguide horn antenna 107 is fixed to the turntable 104 by screws so that their central axes coincide with each other. Turntable 104 is disposed on turntable mounting base 103 at an end remote from height-adjustment base 106 and corresponds to a free end mounted on turntable mounting base 103. The turntable 104 can drive the waveguide horn antenna 107 to rotate around the axis of the turntable 104, and the turntable 104 can be fixed at a set rotation angle.

Therefore, the height adjusting base 106 can be lifted to drive the rotary disk mounting base 103, the rotary disk 104 and the waveguide horn antenna 107 to lift, so that the height of the waveguide horn antenna 107 can be adjusted. The turntable mounting base 103 can drive the turntable 104 and the waveguide horn antenna 107 to rotate by a pitch angle. The rotary disk 104 is used to turn the waveguide horn antenna 107 along its own horizontal and vertical polarization direction to adjust an appropriate angle. Therefore, the utility model provides a pair of examine a device 100 convenience is gone up and down, is adjusted every single move angle and self upset action to the waveguide horn antenna 107 execution of test usefulness to promote efficiency of software testing, reduce test operating personnel intensity of labour.

Preferably, the height adjustment assembly 102 further includes a lead screw mounting tube 108. The lead screw mounting tube 108 is vertically fixed to the base plate 101 by screws. The bottom of the screw 105 is inserted downward into a hole of the screw mounting tube 108 and fixed. The outer diameter of the screw 105 is equivalent to the inner diameter of the screw mounting tube 108, and the screw mounting tube 108 is convenient for mounting and fixing the screw 105.

Preferably, the gauge apparatus 100 further comprises a brace 109. As shown in fig. 1, two inclined struts 109 are respectively welded and fixed on the lead screw mounting tube 108 and the bottom plate 101, and are staggered by a proper angle, and the inclined struts 109 are used for supporting the lead screw mounting tube 108 and the components mounted thereon. Brace 109 acts to stabilize the entire gauge apparatus 100.

Further, the height adjusting seat 106 is a hollow structure, and the height adjusting seat 106 is sleeved on the screw rod 105. An upper screw nut 110 and a lower screw nut 111 which are in threaded fit with the screw 105 are further arranged on the screw 105, and the upper screw nut 110 is arranged above the height adjusting seat 106 and used for fixing the height adjusting seat 106. The lower lead screw nut 111 is disposed below the height adjusting base 106 through a plane bearing 112, and the lower lead screw nut 111 is used for driving the height adjusting base 106 to ascend or descend. The lower screw rod nut 111 moves upwards to drive the height adjusting seat 106 to move upwards; the lower feed screw nut 111 descends, and the height adjusting base 106 and the components arranged thereon descend according to the weight thereof. In the lifting process of the height adjusting seat 106, the upper lead screw nut 110 is firstly rotated and loosened, then the lower lead screw nut 111 is rotated, the lower lead screw nut 111 is in threaded fit with the lead screw 105 and drives the height adjusting seat 106 to ascend or descend by a set height through the plane bearing 112, then the upper lead screw nut 110 is screwed, so that the upper lead screw nut 110 presses the height adjusting seat 106 downwards, and the height of the height adjusting seat 106 is fixed. The plane bearing 112 is used to reduce the friction force generated by the contact between the lower lead screw nut 111 and the bottom surface of the height adjusting seat 106.

Preferably, the screw 105 is provided with a vertically elongated slot 113. A flat key is arranged on the inner wall of the height adjusting seat 106 and is matched with the long groove 113 to limit the rotation of the height adjusting seat 106 around the axial direction of the screw rod 105 in the adjusting process. Similarly, a fixing screw 114 is disposed on the lead screw mounting tube 108, and an end of the fixing screw 114 extends into the elongated slot 113 to prevent the lead screw 105 from rotating relative to the lead screw mounting tube 108 during adjustment of the height adjusting seat 106.

Preferably, an outwardly extending flange 115 is disposed on the height adjustment base 106, a locking slot 116 is disposed on the rotary disk mounting base 103, and the flange 115 extends into the locking slot 116 and is engaged with the locking slot 116. The rotary disk mount 103 is rotatably engaged with the height adjustment base 106 by a horizontal rotary shaft 126 that passes through the flange 115 and the catch 116. Through the cooperation of the rotating shaft 126, the clamping groove 116 and the flange 115, the rotating disk mounting seat 103 can rotate in a vertical plane perpendicular to the horizontal plane and can be fixed at a set rotating angle. It will be readily appreciated that, by way of example and not limitation, the location of flange 115 on height adjustment mount 106 and catch 116 on turntable mount 103 may be reversed, so long as a rotating fit of height adjustment mount 106 and turntable mount 103 is achieved.

Preferably, the gauge apparatus 100 further comprises a bracket arm 117 and an adjustment assembly 118. The bracket arm 117 is disposed on the height adjusting seat 106, one end of the adjusting assembly 118 in the length direction is hinged to the bracket arm 117, and the other end of the adjusting assembly 118 is hinged to the free end of the rotating disk mounting seat 103. Specifically, the adjustment assembly 118 includes an adjustment screw 119 and an adjustment nut 120 that are threadably engaged with one another. The end of the adjusting screw 119 remote from the adjusting nut 120 is hinged to the bracket arm 117, and the end of the adjusting nut 120 remote from the adjusting screw 119 is hinged to the bottom edge of the free end of the rotating disk mount 103. The length direction of the adjusting screw 119 and the adjusting nut 120 is substantially in the rotating plane of the rotating disk mount 103, and the adjusting screw 119 and the adjusting nut 120 are used for adjusting the rotating angle of the rotating disk mount 103. A fastening member is provided on the adjusting screw 119 for fastening the mutual positions of the adjusting nut 120 and the adjusting screw 119. In adjusting the pitch angle of the rotating disk mount 103, the fastener is loosened, and then the adjusting screw 119 is rotated to raise or lower the free end of the rotating disk mount 103 to adjust the rotation angle thereof. After the adjusted angle is determined, the fastener is tightened to fix the positions of the adjusting nut 120 and the adjusting screw 119. Typically, the bottom of the bracket arm 117 projects downwardly beyond the bottom of the lower feed screw nut 111, and the end of the adjustment screw 119 remote from the adjustment nut 120 is hinged to the bottom of the bracket arm 117 for a relatively long adjustment stroke.

More preferably, the rotation angle of the rotating disk mounting seat 103 is-30 ° - +30 °, that is, the adjustable range of the pitch angle of the waveguide horn antenna 107 is-30 ° - +30 °, and the rotation angle range can already cover the test requirement of the waveguide horn antenna 107.

Preferably, referring to fig. 2, an angle marking line 121 is marked on the turntable mount 103 to indicate the rotation angle of the turntable mount 103. Conventionally, the marking range of the angle reticle 121 is-30 degrees to +30 degrees, and the stroke of two adjacent reticles is 1 degree. Preferably, a zero degree gauge line 122 is provided on the flange 115 or the bracket arm 117, and the zero degree gauge line 122 and the angle gauge line 121 can be used together to facilitate the observation of the pitch angle of the horn 107.

Preferably, the turntable 104 is disposed on the turntable mounting base 103 through a rolling bearing for reducing a rotational friction force of the waveguide horn antenna 107 due to its own weight. A positioning pin 124 is provided on the turntable 104 for fixing the relative position between the turntable 104 and the turntable mount 103 after rotation. Conventionally, the waveguide horn antenna 107 is detected every 90 ° turn.

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 disk mounting seat 103, the rotating disk 104 and the waveguide horn antenna 107 falls within the bottom plate 101, so that the whole inspection device 100 has a more stable structure and is convenient and safe to operate.

The adjustment process of the waveguide horn antenna 107 is described in detail below with reference to all the drawings.

The waveguide horn antenna 107 is mainly used for diffusing interference waves produced by the control cabinet in a closed room through the waveguide horn antenna 107 to emit the interference waves to a specific object to be detected (an automobile) so as to detect the anti-interference performance of all internal electrical appliances. It is therefore necessary to adjust the waveguide horn 107 to a suitable position before testing.

The height of the waveguide horn antenna 107 is first adjusted as desired. The upper screw nut 110 above the height adjusting base 106 is loosened, the lower screw nut 111 is rotated, and the lower screw nut 111 ascends to drive the height adjusting base 106 and the parts mounted thereon to synchronously ascend through the plane bearing 112. The height adjusting seat 106 is provided with a flat key therein, so that the height adjusting seat 106 can only vertically move up and down along the long groove 113 of the screw rod 105 without rotating around the screw rod 105. The plane bearing 112 can effectively reduce the friction force generated between the lower lead screw nut 111 and the height adjusting seat 106. When the height adjusting seat is lifted to a required position, the upper screw nut 110 on the height adjusting seat is locked, and the height adjusting seat 106 is fixed. Then, the pitch angle of the waveguide horn, that is, the vertical rotation angle of the rotary disk mount 103 is adjusted as necessary. The fastener on the adjusting bolt of the rotating disk mounting seat 103 is loosened, the adjusting bolt is rotated to make the adjusting bolt and the adjusting nut 120 generate a relative movement close to or away from each other, and then the free end of the rotating disk mounting seat 103 is driven to rotate downwards or upwards, namely the waveguide horn antenna 107 is driven to rotate downwards or upwards. When the adjusting bolt is rotated to a required angle (the angle scale line 121 is visually inspected), the fastening piece is locked to fix the adjusting bolt and the adjusting nut 120, and the pitch angle adjustment is completed. Finally, the waveguide horn antenna 107 is rotated by a rotation angle about the axis of the turntable 104 as required. The waveguide horn antenna 107 rotates at intervals of 90 degrees, and the rotary disk 104 is provided with a positioning pin 124. The rotation positioning pin 124 is pulled out, the rotation handle 125 protruding outwards on the rotation disc 104 is grasped to rotate the rotation disc 104 to the required angle, and then the positioning pin 124 is inserted to fix the rotation disc 104. Thus, the waveguide horn antenna 107 is adjusted to a suitable position for interference rejection performance detection.

It will be readily appreciated that the base plate 101 is adapted to be secured to a cart to facilitate movement and positioning of the gauge apparatus 100 as a whole.

The utility model provides an examine the advantage of utensil device as follows:

1. the lifting of the waveguide horn antenna and the overturning adjustment of the horizontal and vertical polarization direction of the waveguide horn antenna adopt a plane bearing and a rolling bearing, so that the labor intensity during manual adjustment is reduced.

2. The long groove of the screw rod is matched with the flat key of the height adjusting seat, so that the waveguide horn antenna can only move up and down along the screw rod and cannot rotate around the axis of the screw rod.

3. The whole checking fixture device is C-shaped when viewed from the side, the screw rod is used as a stand column, the waveguide horn antenna falls in the vertical projection of the bottom plate, and the inclined strut is combined to enable the checking fixture device to be stable in structure, convenient to adjust and safe and reliable in test.

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 provided they come within the scope of the appended claims and their equivalents.

Claims

1. A checking fixture device is suitable for a waveguide horn antenna and is characterized by comprising,

a base plate;

2. The fixture apparatus of claim 1, wherein the height adjustment assembly further comprises a lead screw mounting tube, the lead screw mounting tube is vertically fixed to the base plate, and a bottom of the lead screw is inserted and fixed in the lead screw mounting tube.

3. The fixture device of claim 2, further comprising a brace welded to the lead screw mounting tube and the base plate for securing the lead screw mounting tube.

4. The testing fixture device of claim 1, wherein the height adjusting base is hollow and is sleeved on the lead screw, the lead screw is further provided with an upper lead screw nut and a lower lead screw nut which are in threaded fit with the lead screw, the upper lead screw nut is arranged above the height adjusting base and is used for fixing the height adjusting base, the lower lead screw nut is arranged below the height adjusting base through a plane bearing, and the lower lead screw nut is used for driving the height adjusting base to ascend or descend.

5. The testing fixture device of claim 4, wherein the lead screw is provided with a vertically elongated slot, the inner wall of the height adjusting seat is provided with a flat key, and the flat key is matched with the elongated slot to limit the height adjusting seat from rotating around the axis direction of the lead screw.

6. The fixture device according to claim 1, wherein an outwardly extending flange is provided on the height adjustment base, a slot is provided on the rotary disk mounting base, the flange extends into the slot and is engaged with the slot, and the rotary disk mounting base is rotatably engaged with the height adjustment base by a horizontal rotation shaft passing through the flange and the slot, so that the rotary disk mounting base can rotate in a direction perpendicular to a horizontal plane and can be fixed at a predetermined rotation angle.

7. The fixture device according to claim 6, wherein the set rotation angle is-30 ° +30 °.

8. The fixture apparatus of claim 6, wherein score lines are marked on the rotary disk mount to indicate the degree of rotation of the rotary disk mount.

9. The gauge apparatus of claim 1, further comprising a bracket arm disposed on the height adjustment mount and an adjustment assembly having one end hingedly connected to the bracket arm and an opposite end hingedly connected to the free end of the rotating disc mount;

10. The gauge apparatus of claim 1, wherein the rotary disk is disposed on the rotary disk mount by a rolling bearing.