CN116906764A - Universal rotary clamping type instrument operation platform and use method - Google Patents

Abstract

The application discloses a universal rotary card type instrument operation platform and a use method thereof, wherein the operation platform comprises: a connecting rod; the tray is connected with one end of the connecting rod to place the measuring instrument; the first connecting piece is used for being connected with the other end of the connecting rod, and the circumferential angle of the first connecting piece relative to the axial direction of the connecting rod is adjustable; the second connecting piece is used for being connected with the attaching member, the second connecting piece is rotationally connected with the first connecting piece, and the rotation center is perpendicular to the axis direction of the connecting rod. Because the connecting rod can rotate around first connecting piece, first connecting piece can rotate around the second connecting piece, link to each other the back at second connecting piece and attachment member, can conveniently carry out adaptability to connecting rod orientation and tray face orientation and adjust, this operation platform simple structure, portable flexibility is strong, installation simple to use, strong to complex environment suitability, the promotion of the efficiency of construction of being convenient for and the control of construction cost under the circumstances of guaranteeing measurement accuracy.

Description

Universal rotary clamping type instrument operation platform and use method

Technical Field

The application relates to the technical field of nuclear power station construction measurement, in particular to a universal rotary clamp type instrument operation platform and a using method thereof.

Background

The third generation nuclear reactor containment is a circular structure with double layers of inner and outer shells, the cross section size of the inner and outer shells is narrower, a walking hanging frame platform is arranged around the shells, and a rigid supporting platform is not arranged between the inner and outer shells in the civil engineering construction period. The surrounding factory buildings of the nuclear island are of cast-in-situ wallboard structures, the floor supports are full scaffold wood formwork supports, and before the concrete of the floor is poured, a rigid reliable supporting platform is not provided for the erection of high-precision measuring instruments with higher sensitivity. Inside the room that construction environment is complicated, be influenced by surrounding material, support body and equipment etc. thing items, utilize measurement wood system tripod to erect the instrument, carry more difficultly, the sight is not enough and can not nimble removal after erecting, and the efficiency of construction is lower. The current measuring instrument erection modes mainly comprise the following steps:

the method comprises the following steps: when the instrument is erected, the instrument can be erected on the concrete surface in the reinforced concrete wall body of each floor through the wooden measurement tripod, the double-shell body and the vertical reinforced concrete of each floor wall body are closely bound, the measurement sight is severely blocked, the measurement operation can be completed only by turning back to a station, the construction efficiency is lower, the measurement error accumulation is easily caused in the station turning process, and the quality of the measurement result is uncontrollable.

The second method is as follows: the method is limited by the stability of the internal measurement frame, has a certain influence on the aspect of high-precision measurement quality control, has higher construction cost and low construction efficiency, and also reserves a certain time to set up the special scaffold for measurement to influence the construction progress.

And a third method: the method is simple and effective compared with the two methods, but is limited by the fact that the instrument is erected at the root of the wall, the measuring visual field is limited, the method is similar to the first method in defect, and the steel tube has elasticity, the stability is not guaranteed, and quality problems such as uncontrollable measuring precision and the like are easily caused.

The three methods all adopt the form of a wooden measurement tripod for instrument erection, the wooden tripod body is heavy and light and is not convenient to transport on a construction site, the purchase cost of the wooden tripod is relatively high, and the application range of the wooden tripod in the nuclear power construction process is limited.

Disclosure of Invention

The application aims at: aiming at the problems that a measurement instrument erection method is too dependent on a wooden measurement tripod in the nuclear power station construction, the use method is single, measurement accuracy is uncontrollable, the construction environment is limited, the instrument erection operation mode is complex and the like in the measurement process, the universal rotation card type instrument operation platform and the use method are provided.

The application is realized by the following technical scheme:

in a first aspect, the present application provides a universal rotary card instrument operating platform comprising:

a connecting rod;

the tray is connected with one end of the connecting rod so as to place a measuring instrument;

the first connecting piece is used for being connected with the other end of the connecting rod, and the circumferential angle of the first connecting piece relative to the axial direction of the connecting rod is adjustable;

the second connecting piece is used for being connected with the attaching member, the second connecting piece is rotationally connected with the first connecting piece, and the rotation center is perpendicular to the axis direction of the connecting rod.

In the above scheme, because the connecting rod can rotate around first connecting piece, first connecting piece can rotate around the second connecting piece simultaneously, after the second connecting piece links to each other with the adhering member, can conveniently carry out adaptability to connecting rod orientation and tray face orientation and adjust, this operation platform simple structure, portable flexibility is strong, installation simple to use, strong to complex environment suitability, the promotion of the efficiency of construction of being convenient for and construction cost's control under the circumstances of guaranteeing measurement accuracy.

As a preferable scheme of the application, one side of the tray is provided with a fixing clamp, and the fixing clamp is used for clamping the connecting rod. The fixed connection of the tray and the connecting rod can be realized through the fixing clamp.

As a preferred scheme of the application, the other side of the tray is protruded with a fastener, and the fastener is used for fixedly connecting the measuring instrument with the tray. Through setting up the fastener, can cooperate with measuring instrument's base, realize measuring instrument and the fixed connection of tray.

As a preferable scheme of the application, the first connecting piece comprises a connecting block and a locking knob, wherein the connecting block is provided with a mounting hole matched with the connecting rod, and the locking knob is connected with the connecting block so as to limit the circumferential rotation of the connecting block relative to the connecting rod.

As a preferable mode of the present application, the second connector includes a holding portion for connection with the attaching member, and a land is provided on a side of the holding portion opposite to the connection block, the land and the connection block forming a rotational connection.

As a preferred embodiment of the present application, the locking knob is connected to the connection pad to limit circumferential rotation of the connection pad with respect to the connection block.

As a preferable scheme of the application, a concave-convex tooth matching structure is arranged between the contact surfaces of the connecting disc and the connecting block. The design increases the friction force between the two, and can prevent the connecting block from rotating after being in a fixed direction.

As a preferable mode of the application, the clamping part comprises a clamping main body and a push rod, wherein the clamping main body is provided with an opening for accommodating the attaching member, the push rod is arranged on the clamping main body, and the length of the push rod extending into the opening is adjustable. The design can tightly prop up the attachment member and the inner wall of the opening by extending into the ejector rod after the attachment member enters the opening, thereby realizing the fixed connection of the clamping main body and the attachment member.

As a preferable scheme of the application, one end of the ejector rod, which is positioned in the opening, is provided with a pressing block, and the pressing block is used for being in contact with the attachment component to realize pressing. By means of the arrangement, the contact area between the clamping main body and the attaching member can be increased by changing the size of the pressing block, so that the clamping main body is more firmly connected with the attaching member.

In a second aspect, the present application provides a method for using the universal rotary card instrument operating platform according to the first aspect, including the following steps:

step one, connecting two ends of the connecting rod with the tray and the first connecting piece;

step two, connecting the second connecting piece with the attaching member;

step three, rotating the first connecting piece and the connecting rod to enable the connecting rod to face towards a measuring direction and enable the surface of the tray to face upwards;

and step four, mounting the measuring instrument on the tray.

The operation platform is simple in structure, convenient to carry, convenient to use and assemble, high in adjustment flexibility, high in applicability to complex environments in nuclear power station construction and capable of improving construction measurement efficiency.

Compared with the prior art, the application has the following advantages and beneficial effects:

because the connecting rod can rotate around first connecting piece, first connecting piece can rotate around the second connecting piece simultaneously, after the second connecting piece links to each other with the adhering member, can conveniently carry out adaptability to connecting rod orientation and tray face orientation and adjust, this operation platform simple structure, portable flexibility is strong, installation simple to use, strong to complex environment suitability, under the circumstances of guaranteeing measurement accuracy, the promotion of the efficiency of construction of being convenient for and construction cost's control.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present application, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a schematic view of a universal spin card instrument operating platform of the present application;

FIG. 2 is a schematic view of a clip of the present application taken along a cross section of a connecting rod;

FIG. 3 is a schematic view of a fastener of the present application;

FIG. 4 is a schematic view of the connecting block of the present application taken along the cross section of the connecting rod;

fig. 5 is a schematic diagram of the universal rotary card instrument operating platform of the present application after the instrument is installed.

In the drawings, the reference numerals and corresponding part names:

1-connecting rod, 2-tray, 3-first connecting piece, 31-connecting block, 311-kerf, 32-locking bar, 33-locking cap, 4-second connecting piece, 41-connecting disc, 42-clamping body, 421-opening, 43-ejector pin, 44-briquetting, 5-fixation clamp, 51-first clamping piece, 511-clamping piece boss, 52-second clamping piece, 6-fastener, 61-first screw thread section, 62-second screw thread section, 7-measuring instrument.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present application, the present application will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present application and the descriptions thereof are for illustrating the present application only and are not to be construed as limiting the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: there are three cases, a, B, a and B simultaneously. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two), unless otherwise specifically defined.

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

Example 1

Referring to fig. 1 to 5, a universal rotary card instrument operating platform provided in an embodiment of the present application includes: a connecting rod 1, a tray 2, a first connecting piece 3 and a second connecting piece 4, wherein the tray 2 is used for being connected with one end of the connecting rod 1 so as to mount a measuring instrument 7; the first connecting piece 3 is used for being connected with the other end of the connecting rod 1, and the circumferential angle of the first connecting piece 3 relative to the axial direction of the connecting rod 1 is adjustable; the second connecting piece 4 is used for being connected with the attaching member, the second connecting piece 4 is rotationally connected with the first connecting piece 3, and the rotation center is perpendicular to the axis direction of the connecting rod 1.

The tray 2 is the mounting platform of the measuring instrument 7 and plays a bearing role. The connecting rod 1 is used to connect the tray 2 with the first connecting member 3, preferably having a length of between 20cm and 50cm, and is not too long or too short. The attachment member may be a fixture on a site to be measured at a construction site, and may include, but is not limited to, steel pipes, steel beams, lumber, steel bars, equipment, and the like. The direction of the tray 2 can be adjusted by rotating the connecting rod 1 and the first connecting piece 3, so that the tray 2 faces upwards, no matter the second connecting piece 4 is fixed at any position and any direction.

Because the connecting rod can rotate around first connecting piece, first connecting piece can rotate around the second connecting piece simultaneously, after the second connecting piece links to each other with the adhering member, can conveniently carry out adaptability to connecting rod orientation and tray face orientation and adjust, this operation platform simple structure, portable flexibility is strong, installation simple to use, strong to complex environment suitability, under the circumstances of guaranteeing measurement accuracy, the promotion of the efficiency of construction of being convenient for and construction cost's control.

According to some embodiments of the application, a fixing clip 5 is provided on one side of the tray 2, and the fixing clip 5 is used for clamping the connecting rod 1. The fixed connection of the tray and the connecting rod can be realized through the fixing clamp. Specifically, the fixing clip 5 may include a first clip piece 51 and a second clip piece 52 that are disposed opposite to each other, the first clip piece 51 and the second clip piece 52 have an arc surface adapted to the outer wall of the connecting rod 1, and two ends of the first clip piece 51 and the second clip piece 52 are connected by using bolts. When the connecting rod is used, the connecting rod penetrates between the arc-shaped surfaces of the first clamping piece and the second clamping piece, and the first clamping piece and the second clamping piece are enabled to move relatively by screwing the bolt, so that the first clamping piece and the second clamping piece are tightly held against the outer circle of the connecting rod.

According to some embodiments of the application, the other side of the tray 2 is provided with a protruding fastener 6, and the fastener 6 is used for fixedly connecting the measuring instrument 7 with the tray 2. Through setting up the fastener, can cooperate with measuring instrument's base, realize measuring instrument and the fixed connection of tray. Specifically, the first clamping piece 51 of the fixing clamp 5 contacting with the tray 2 is provided with a clamping piece boss 511, a threaded hole is provided on the clamping piece boss 511, and a through hole is provided in the center of the tray 2. The fastener 6 comprises a first thread section 61 and a second thread section 62, the first thread section 61 is used for being connected with a threaded hole on the clamping piece boss 511, the second thread section 62 is used for being connected with a threaded hole on the base of the measuring instrument 7, the diameter of the first thread section 61 is smaller than that of the second thread section 62, and therefore a transition step surface is formed between the first thread section 61 and the second thread section 62, and when the first thread section 61 passes through a through hole in the center of the tray 2 and is screwed into the threaded hole on the clamping piece boss 511 during assembly, the tray 2 can be pressed on the fixing clamp 5 through the transition step surface. Meanwhile, the screwing directions of the first thread section 61 and the second thread section 62 are the same, so that loosening of the first thread section caused by screwing of a threaded hole on the base of the measuring instrument on the second thread section is avoided. In order to facilitate the first thread section to be screwed into the threaded hole on the clamping piece boss, an inner hexagonal hole is formed in the end portion of the second thread section, and therefore the inner hexagonal wrench can be used for rotating the fastener.

According to some embodiments of the present application, the first connector 3 includes a connection block 31 and a locking knob, wherein the connection block 31 has a mounting hole adapted to the connection rod 1, and the locking knob is connected to the connection block 31 to limit circumferential rotation of the connection block 31 relative to the connection rod 1. Specifically, the side wall of the connecting block 31 is provided with a slit 311, the slit 311 extends along the axial direction of the connecting block 1 and is communicated with the mounting hole, and the locking knob makes two sides of the slit 311 relatively deform when screwing in to clamp the connecting block 1, so that the connecting block cannot rotate and axially move, and locking of the relative positions of the connecting block and the connecting block is realized. Illustratively, the connecting block 31 is cylindrical, the axis of the mounting hole is perpendicular to the axis of the connecting block 31, and the axis of the mounting hole is located at one side of the axis of the connecting block 31, i.e. the axis of the mounting hole and the axis of the mounting hole are offset. The slits 311 in the connection block 31 extend at least beyond the central opening of the connection block so that when the locking knob is applied, the two sides of the slits of the connection block deform enough to clamp the connection bar. It will be understood that the slit 311 may extend through the entire connecting block 31 in the transverse direction, that is, the connecting block 31 may be divided into two upper and lower blocks in the axial direction by the slit 311.

According to some embodiments of the application, the second connector 4 comprises a clamping part for connection with an attachment member, the clamping part having a cylindrical connecting disc 41 on a side opposite the connecting block 31, the connecting disc 41 being rotatable relative to the connecting block 31.

According to some embodiments of the application, the locking knob is coupled to the connection disc 41 to limit circumferential rotation of the connection disc 41 relative to the connection block 31. Specifically, the locking knob may include a locking lever 32 and a locking cap 33, one end of the locking lever 32 is fixedly connected with the center of the connection disc 41, and the other end of the locking lever 32 is threaded with the locking cap 33 after passing through the center hole of the connection block 31. When the connecting block is used, the locking cap is screwed in, so that the two sides of the joint of the connecting block can deform to clamp the connecting rod, and the movement of the connecting rod is limited; on the other hand, the connecting disc and the connecting block can be pressed tightly, so that the rotation of the connecting block is limited.

According to some embodiments of the present application, a concave-convex tooth mating structure is provided between the contact surfaces of the connection disc 41 and the connection block 31. The design increases the friction force between the two, and can prevent the connecting block from rotating after being in a fixed direction.

According to some embodiments of the application, the clamping part comprises a clamping body 42 and a push rod 43, the clamping body 42 is provided with an opening 421 for accommodating the attaching member, the push rod 43 is arranged on the clamping body 42, and the length of the push rod 43 extending into the opening 421 is adjustable. The design can tightly prop up the attachment member and the inner wall of the opening by extending into the ejector rod after the attachment member enters the opening, thereby realizing the fixed connection of the clamping main body and the attachment member. Specifically, the clamping body 42 has a substantially U-shaped structure, and an outer side wall opposite to the opening 421 thereof is fixedly connected to the connecting disc 41. The ejector rod 43 is disposed at any side of the opening 421 of the clamping body 42, and the ejector rod 43 and the clamping body 42 form a threaded fit, so as to adjust the length of the ejector rod 43 extending into the opening 421 by rotating the ejector rod 43.

According to some embodiments of the present application, a pressing block 44 is disposed at one end of the ejector rod 43 located in the opening 421, where the pressing block 44 is used to contact with an attachment member to achieve compaction. By means of the arrangement, the contact area between the clamping main body and the attaching member can be increased by changing the size of the pressing block, so that the clamping main body is more firmly connected with the attaching member. In order to facilitate the rotation of the ejector rod 43, the ejector rod 43 and the pressing block 44 may be rotatably connected, so that when the attachment member enters the opening, the pressing block does not rotate in contact with the attachment member, i.e., the pressing block does not rotate with the rotation of the ejector rod. In order to ensure the connection with the attachment component, V-shaped grooves are arranged on the surfaces of the pressing block and the clamping main body, which are in contact with the attachment component.

A plurality of parts in the operation platform can be processed and manufactured by adopting light high-strength aluminum alloy materials, so that the whole weight of the device is light, and the device is convenient to carry. The connecting rod is in a round column shape, can be processed by adopting a light high-strength aluminum alloy pipe body, and can be made of a wooden material with hard texture and light weight in order to ensure that the device has no resonance phenomenon. The fastening piece can be used for realizing connection between the tray and the fixing clamp and can be matched with the bolt hole on the base of the measuring instrument. By adopting the operation platform, the equipment can be erected more conveniently in environments such as an inner shell, an outer shell, a narrow space with complex environment before pouring of floor plates of each construction factory building, and the like, the application of the construction environment is wider, the construction efficiency is improved, and the construction quality is ensured; the quality of the manufactured material is lighter, so that the personnel can carry the material conveniently; the cost of manufacture is lower than that of a wooden triangulation bracket.

Compared with the prior art, the universal rotary card type instrument operation platform provided by the embodiment of the application has at least the following advantages and beneficial effects: 1. the tripod is suitable for not only the conventional environment with stable and reliable positions for erecting the measuring instrument, but also the special environment without stable and reliable positions for erecting the measuring instrument, and the narrow space with complex environment, and has wider application range compared with the wooden measurement tripod; 2. the light high-strength alloy material is adopted, and the tripod is detachable and combined, is convenient and flexible to use, is lighter and more portable than a wooden measurement tripod, and is more flexible and changeable in operation method; 3. the application scene range is wider, and the measurement construction efficiency is improved; 4. the technical problems of setting up the inner and outer measuring frames and the measuring support frame required by the special construction environment of the nuclear power station are solved, and meanwhile, the construction cost is saved; 5. the tripod can be manufactured in batches, so that excessive purchasing of the tripod is avoided, purchasing cost is saved, and meanwhile, the tripod has longer service life compared with the tripod measured by wood.

Example 2

The application method of the universal rotary card type instrument operation platform provided by the embodiment of the application comprises the following steps:

step one, connecting two ends of the connecting rod 1 with the tray 2 and the first connecting piece 3, specifically: one end of the connecting rod 1 is connected with the fixing clip 5, and the tray 2 is connected with the fixing clip 5 through a fastener 6.

Step two, connecting the second connecting piece 4 with the attaching member, specifically: the clamp body 42 is clamped on the attachment member and is pushed up by rotating the push rod 43 into the attachment member.

And thirdly, loosening the locking cap 33, rotating the first connecting piece 3 and the connecting rod 1, enabling the connecting rod 1 to face to the measuring direction and enabling the surface of the tray 2 to face upwards, and locking the positions of the first connecting piece 3 and the connecting rod 1 through the locking cap 33 after the adjustment.

And step four, mounting the base of the measuring instrument 7 on the tray 2 through the fastening piece 6, and leveling the measuring instrument through a leveling screw on the measuring instrument.

The operation platform is fixed on an attaching member (such as a steel pipe, a steel beam, a square, 40 steel bars, equipment and the like) of a site to be measured on a construction site through the second connecting piece, the locking knob is loosened, the connecting rod and the first connecting piece are rotated according to the direction of the tray until the surface of the tray faces upwards, the locking knob is screwed, a measuring instrument is erected on the tray through a fastener, and the state of the instrument is adjusted through the instrument screw, so that the next measuring operation can be performed.

The operation platform has the advantages of simple structure, light weight, flexibility, convenience in carrying and use, wider application environment range, capability of solving the defects of no stable and reliable platform and instrument erection in a narrow space in the construction of the nuclear power station, applicability to the conventional construction environment, improvement of construction operation efficiency, saving of other measure cost required by the no stable and reliable platform, and more flexibility in the measurement method due to the application of the operation platform.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the application, and is not meant to limit the scope of the application, but to limit the application to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the application are intended to be included within the scope of the application.

Claims (10)

1. A universal rotary cassette instrument operations platform comprising:

a connecting rod;

the tray is connected with one end of the connecting rod so as to place a measuring instrument;

the first connecting piece is used for being connected with the other end of the connecting rod, and the circumferential angle of the first connecting piece relative to the axial direction of the connecting rod is adjustable;

the second connecting piece is used for being connected with the attaching member, the second connecting piece is rotationally connected with the first connecting piece, and the rotation center is perpendicular to the axis direction of the connecting rod.

2. The universal rotary card instrument operating platform of claim 1, wherein one side of the tray is provided with a retaining clip for clamping the connecting rod.

3. The universal rotary card instrument operating platform of claim 2, wherein the other side of the tray is provided with a protruding fastener for fixedly connecting the measuring instrument to the tray.

4. A universal rotary cassette instrument console as claimed in any one of claims 1-3, wherein said first connector includes a connector block having a mounting hole adapted to said connector rod and a locking knob coupled to said connector block to limit circumferential rotation of said connector block relative to said connector rod.

5. The universal rotary card instrument operating platform of claim 4, wherein the second connector includes a clamping portion for connection with an attachment member, the clamping portion having a connection disc disposed on a side thereof opposite the connection block, the connection disc forming a rotational connection with the connection block.

6. The universal rotary cassette instrument operating platform of claim 5, wherein the locking knob is coupled to the interface disc to limit circumferential rotation of the interface disc relative to the connection block.

7. The universal rotary card instrument operating platform of claim 5, wherein a concave-convex tooth mating structure is provided between the interface of the connection disc and the connection block.

8. The universal rotary card instrument operating platform of claim 5, wherein the clamping portion comprises a clamping body and a push rod, the clamping body is provided with an opening for accommodating the attachment member, the push rod is arranged on the clamping body, and the length of the push rod extending into the opening is adjustable.

9. The universal rotary cassette instrument operating platform of claim 8, wherein a press block is provided on the ejector rod at an end located in the opening, the press block being configured to contact the attachment member to effect compression.

10. A method of using the universal rotary card instrument operating platform of any one of claims 1-9, comprising the steps of:

step one, connecting two ends of the connecting rod with the tray and the first connecting piece;

step two, connecting the second connecting piece with the attaching member;

step three, rotating the first connecting piece and the connecting rod to enable the connecting rod to face towards a measuring direction and enable the surface of the tray to face upwards;

and step four, mounting the measuring instrument on the tray.