CN210893997U - Check data acquisition device - Google Patents

Abstract

The utility model relates to a check-up data acquisition equipment for acquire the stretcher and act on the pulling force by the extension member, check-up data acquisition equipment includes: the cabinet body comprises an installation platform and a protection part arranged on the installation platform, and the installation platform and the protection part jointly enclose to form a protection chamber; the measuring component is connected to the mounting table, and the measuring component includes that the switching body and the tension detector of range upon range of setting and interconnect along the thickness direction of mounting table, and the switching body is connected in the mounting table, and the measuring component has and runs through the mounting hole of switching body and tension detector along the thickness direction, and the stretched piece can be connected with the tension detector and stretch into protection cavity by the mounting hole. The embodiment of the utility model provides a check-up data acquisition equipment can acquire the stretcher at the multiunit data of during operation to whether be used for the later stage to judge the stretcher and provide the basis up to standard.

Description

Check data acquisition device

Technical Field

The utility model relates to a stretcher check-up technical field especially relates to a check-up data acquisition equipment.

Background

The hydraulic stretcher has the functions of fastening and detaching the bolts. The bolt can be stretched in the elastic deformation area by means of the hydraulic power provided by the ultra-high pressure pump and the elastic amplitude allowed by the material, so that the aim of fastening or disassembling the bolt is fulfilled, and the bolt tensioning device can be widely applied to the fields of metallurgical mines, petrochemical industry, electric power systems, rolling stocks, heavy machinery, wind power technology and the like.

Taking application to the technical field of wind power as an example, in the production assembly and field installation processes of a wind generating set, a tension method is widely applied to perform pretightening force detection on the pretightening force assembly precision of a high-strength bolt and an anchor bolt by using a hydraulic stretcher, after the hydraulic stretcher is in service for a period of time, the stretching precision of the hydraulic stretcher is reduced within a certain range, the pretightening force output precision of the hydraulic stretcher directly influences the judgment of the installation quality of a fan, and when the pretightening force output precision exceeds the preset precision in the application environment such as the wind generating set, hidden dangers are brought to the safety performance of the wind generating set, so that the precision of the hydraulic stretcher is guaranteed to be crucial to the control on the assembly quality of.

However, in the prior art, the judgment on whether the precision of the stretcher meets the standard is mostly estimated by an operator according to objective factors such as the model, the manufacturer, the service time and the like of the stretcher, and the judgment has limitations, has large errors, and cannot meet the judgment requirement on the precision of the stretcher.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a check-up data acquisition equipment, check-up data acquisition equipment can acquire the stretcher at the multiunit data of during operation to whether provide the basis up to standard for the later stage is judged the stretcher precision.

On the one hand, according to the embodiment of the utility model provides a check-up data acquisition equipment is proposed for acquire the stretcher and act on by the pulling force of tensile piece, check-up data acquisition equipment includes: the cabinet body comprises an installation platform and a protection part arranged on the installation platform, and the installation platform and the protection part jointly enclose to form a protection chamber; the measuring component is connected to the mounting table, and the measuring component includes that the switching body and the tension detector of range upon range of setting and interconnect along the thickness direction of mounting table, and the switching body is connected in the mounting table, and the measuring component has and runs through the mounting hole of switching body and tension detector along the thickness direction, and the stretched piece can be connected with the tension detector and stretch into protection cavity by the mounting hole.

According to the utility model discloses an aspect, the mount table has the via hole that link up along the thickness direction, and the switching body covers the via hole setting and can dismantle and connect in the mount table, and the tensile force detector at least part stretches into the via hole and with enclose and close to form the clearance between the lateral wall of via hole.

According to one aspect of the embodiment of the present invention, the mounting platform has a plurality of first mounting holes spaced around the tension detector, and the adapter is provided with second mounting holes opposite to the first mounting holes; the mounting table and the adapter body are detachably connected through fasteners arranged in the first mounting hole and the second mounting hole, wherein at least one of the first mounting hole and the second mounting hole is a strip-shaped hole.

According to an aspect of the embodiment of the present invention, the measuring member further includes a transition sleeve, and the mounting hole includes a first through hole provided in the tension detector and a second through hole provided in the adaptor; the transition sleeve is at least partially arranged in the first through hole and connected with the tension detector, an inner hole of the transition sleeve is a threaded hole, and the stretched piece can be detachably connected with the tension detector through the transition sleeve.

According to the utility model discloses an aspect, in thickness direction, the size of the size less than or equal to tensile force detector of transition cover, the transition cover is located completely in the first through-hole and can dismantle with the lateral wall that encloses to close and form first through-hole and be connected.

According to the utility model discloses an aspect, the transition cover is provided with more than two application of force breachs in the at least one end of thickness direction, and more than two application of force breachs set up at the circumference interval of transition cover, and every application of force breach is the groove-shaped structure along the radial extension of transition cover.

According to an aspect of the embodiment of the present invention, the measuring unit further includes a pad block located in the protection chamber, the pad block is disposed on the adapter body and the adapter body is located between the mounting table and the pad block, the pad block has a avoiding hole coaxially disposed with the mounting hole; and/or the verification data acquisition equipment further comprises a counter, and the counter can be connected with the stretcher and acquires the stretching times of the stretched piece by the stretcher.

According to the utility model discloses an aspect, the pulling force detector is pressure sensor or pulling force sensor, and the tensile force passes the projection of detector on thickness direction and is ring or regular polygon shape ring.

According to an aspect of the embodiment of the present invention, the cabinet further includes a supporting portion supporting the protection portion; the protection portion includes and encloses the base member and the guard gate that close jointly and form the protection cavity with the mount table, and the base member has the opening with the protection cavity intercommunication, and the guard gate seals the opening setting and rotates with the base member to be connected, and the supporting part is the frame construction of fretwork and is connected with the base member.

According to one aspect of the embodiment of the present invention, the number of the openings is two or more, the opening directions of the two or more openings are intersected with each other, and a protective door is arranged at each opening; and/or the protective part is provided with an observation hole communicated with the protective cavity.

According to the embodiment of the utility model provides a check-up data acquisition equipment, including the cabinet body and measuring part, through restriction measuring part including the switching body and the tensile detector of range upon range of setting, and the restriction switching body is connected to the mount table of the cabinet body with the tensile detector, can guarantee the detection precision of tensile detector, can acquire the stretcher through tensile detector and act on the actual pulling force by the stretcher at the during operation, be used for whether up to standard basis of later stage judgement stretcher precision provides, the mounting hole of corresponding setting is even if can be with tensile detector between by the stretcher be connected, simultaneously, can also make by the stretcher stretch into by the mounting hole and protect in the cavity and by the stretcher tensile, can protect by the stretcher, bring the threat to operating personnel's safety when avoiding it to be pulled apart.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a calibration data acquiring apparatus according to an embodiment of the present invention in one state;

FIG. 2 is a top view of the structure shown in FIG. 1;

fig. 3 is a schematic structural diagram of a calibration data acquiring apparatus according to an embodiment of the present invention in another state;

fig. 4 is a partial cross-sectional view of a calibration data acquisition device in accordance with an embodiment of the present invention;

fig. 5 is a schematic diagram of the calibration data acquiring device, the stretched piece and the stretcher according to the embodiment of the present invention;

fig. 6 is a top view of a tension detector according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along A-A of FIG. 6;

FIG. 8 is a top view of the transition sleeve;

fig. 9 is a sectional view taken along the direction B-B in fig. 8.

Wherein:

100-check data acquisition equipment; x-thickness direction;

10-a cabinet body; 11-a guard; 111-a substrate; 112-a guard gate; 112 a-viewing aperture; 12-a support portion; 13-mounting a table; 131-via holes; 14-a guard chamber;

20-a measuring member; 21-an adaptor; 211-second via hole; 22-a tension detector; 221-a first via; 23-a transition sleeve; 231-an inner hole; 232-force application gap; 24-a cushion block; 241-avoiding holes; 25-a fastener; 26-mounting holes; 27-a counter;

200-a stretcher; 210-driving a pump; 220-a pull head;

300-stretched member.

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Detailed Description

Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The directional words appearing in the following description are directions shown in the drawings, and do not limit the specific structure of the calibration data acquisition apparatus of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

For better understanding of the present invention, the following describes in detail a calibration data acquisition device according to an embodiment of the present invention with reference to fig. 1 to 9.

Referring to fig. 1 to 5, an embodiment of the present invention provides a verification data acquiring apparatus 100, where the verification data acquiring apparatus 100 can be used in a stretcher 200 to obtain a pulling force of the stretcher 200 acting on a stretched piece 300, the stretcher 200 may include a driving pump 210 and a pulling head 220, and the driving pump 210 is connected to the pulling head 220 through a pipeline. The verification data acquisition equipment 100 comprises a cabinet body 10 and a measurement component 20, wherein the cabinet body 10 comprises a mounting table 13 and a protection part 11 arranged on the mounting table 13, and the mounting table 13 and the protection part 11 jointly enclose to form a protection chamber 14. The measuring component 20 is connected to the mounting table 13, the measuring component 20 includes an adapter 21 and a tension detector 22 which are stacked and connected with each other along a thickness direction X of the mounting table 13, the adapter 21 is connected to the mounting table 13, the measuring component 20 has a mounting hole 26 which penetrates through the adapter 21 and the tension detector 22 along the thickness direction X, the stretched object 300 can be connected with the tension detector 22 and can stretch into the protection chamber 14 from the mounting hole 26, and a part of the stretched object 300 which stretches into the protection chamber 14 can be connected with a slider 220 of the stretcher 200.

The embodiment of the utility model provides a check-up data acquisition equipment 100 can acquire stretcher 200 at the multiunit data of during operation to whether be used for the later stage to judge stretcher 200 precision and provide the foundation up to standard.

The above and following embodiments of the present invention refer to the stretched member as a rod member having a predetermined length, for example, a screw rod, an anchor bolt, an anchor rod, a tendon, etc.

Optionally, the protection portion 11 may include a base 111 and a protection door 112 connected to the base 111, the protection door 112 and the mounting table 13 together enclose to form the protection chamber 14, the mounting table 13 is connected to the base 111, the base 111 has an opening communicated with the protection chamber 14, and the protection door 112 is disposed to close the opening and is rotatably connected to the base 111. The protection part 11 adopts the above form, which not only can ensure the safety of the stretched piece 300 when being stretched by the stretcher 200, but also has simple structure and easy molding, and the arrangement of the protection door 112 is convenient for taking and placing the stretched piece 300.

During specific implementation, the base 111 may be a rectangular frame structure, the mounting platform 13 may be disposed on a bottom surface of the base 111, a top surface opposite to the bottom surface may be fastened by a cover, the opening may be disposed on a side wall of the base 111, and the protective door 112 is disposed at the opening and hinged to the base 111, so as to facilitate opening and closing of the protective door 112.

As an optional implementation manner, the number of the openings is two or more, the opening directions of the two or more openings are intersected with each other, and each opening is provided with a protective door 112, by the above arrangement, not only can the safety performance when the stretched piece 300 is stretched be ensured, but also an operator can open the corresponding protective door 112 from multiple directions, so that the installation and the test of the stretched piece 300 by the operator are easier.

In some optional examples, the protective part 11 may be provided with an observation hole 112a communicating with the protective chamber 14, and the observation hole 112a is provided, so that when the stretcher 200 performs a stretching operation on the stretched piece 300, an operator can conveniently observe the stretching condition of the stretched piece 300 from the observation hole 112a, and safety of the operator is guaranteed.

In specific implementation, the observation holes 112a may be disposed on the base 111 of the protective portion 11, or may be disposed on the protective door 112, the number of the observation holes 112a may be multiple, the observation holes 112a may be arranged in rows and columns, and the shape and size of the observation holes 112a are not specifically limited as long as the requirement of monitoring the stretching condition of the stretched piece 300 can be met.

In order to support the protection portion 11 to a predetermined height, as an optional embodiment, the cabinet 10 further includes a supporting portion 12 supporting the protection portion 11, the supporting portion 12 is a hollow frame structure and is connected to the base 111, and by providing the supporting portion 12, the protection portion 11 can be located at a height convenient for an operator to install the stretched piece 300, so that when the whole verification data acquisition apparatus 100 is grouped, the installation of the measurement component 20 is more convenient.

Alternatively, the mounting table 13 may be composed of a plurality of planar plates, and adjacent plates may be spaced apart and form an escape opening to accommodate the mounting of the measuring unit 20 and the extension of the elongated member 300 into the protection chamber 14. Of course, in some alternative examples, as shown in fig. 4 and 5, the mounting platform 13 may be made of an integral plate, and the mounting platform 13 and the base 111 of the protection portion 11 may be fixedly connected by welding or the like, or may be detachably connected by a fastener 25 such as a bolt or the like.

Meanwhile, when the mounting table 13 is a unitary plate, in order to facilitate the mounting of the measuring component 20 and the stretched member 300 can extend into the accommodating space, optionally, the mounting table 13 has a through hole 131 penetrating along the thickness direction X, the adaptor body 21 is disposed covering the through hole 131 and detachably connected to the mounting table 13, and the tension detector 22 at least partially extends into the through hole 131 and forms a gap with the side wall surrounding the through hole 131. Through the setting, can guarantee the connection requirement between tensile force detector 22 and the mount table 13, simultaneously, can also avoid tensile force detection piece 22 and mount table 13 contact to avoid external force to exert an influence to tensile force detector 22, and then guarantee that the tensile ware 200 that tensile force detector 22 detected acts on the tensile accuracy of being stretched 300.

In some optional embodiments, the mounting table 13 has a plurality of two or more first mounting holes spaced around the tension detector 22, the adaptor body 21 has a second mounting hole opposite to the first mounting hole, and the mounting table 13 and the adaptor body 21 are detachably connected by a fastener 25 disposed in the first mounting hole and the second mounting hole, wherein at least one of the first mounting hole and the second mounting hole is a strip-shaped hole. Through the arrangement, the relative position between the corresponding first mounting hole and the second mounting hole can be adjusted according to the mounting requirement, the mounting requirement between the first mounting hole and the second mounting hole is guaranteed, and the problem that the adapter body 21 and the mounting table 13 cannot be assembled due to machining errors and the like can be effectively avoided.

As an alternative embodiment, the adaptor body 21 may have a plate-like structure and be disposed on the upper surface of the mounting table 13 in the thickness direction X, and the tension detector 22 may be connected to the surface of the adaptor body 21 facing the mounting table 13 and detachably connected to the adaptor body 21 by a fastener 25 or the like. Alternatively, the tension detector 22 may be a pressure sensor, and since the stretched member 300 can be connected with the tension detector 22 and extend into the protection chamber 14 through the mounting hole 26, the above structure of the measuring component 20 is configured such that when the pull head 220 of the stretcher 200 acts on the stretched member 300, the stretched member 300 pulls the tension detector 22, and the tension acting on the stretched member 300 by the pull head 220 is transmitted to the tension detector 22 through the stretched member 300 according to the principle of balance between acting force and reaction force, thereby detecting the actual tension of the stretched member 300 by the stretcher 200.

Through the arrangement, the connection between the measuring component 20 and the mounting table 13 can be facilitated, meanwhile, the corresponding support can be provided for the whole measuring component 20 through the upper surface of the mounting table 13, and the measured tension is more accurate according to the principle of balance between the acting force and the reacting force.

Referring to fig. 6 and 7 together, as an alternative implementation manner, in the verification data acquiring apparatus 100 of each embodiment, the projection of the tension detector 22 in the thickness direction X is a circular ring or a regular polygonal ring, and by the above arrangement, the stress of the tension detector 22 can be more uniform, so as to ensure the accuracy of the actual tension test applied to the stretched object 300 by the stretcher 200.

Referring to fig. 8 and 9, as an alternative embodiment, the measuring component 20 further includes a transition sleeve 23, the mounting hole 26 includes a first through hole 221 disposed on the tension detector 22 and a second through hole 211 disposed on the adaptor body 21, the transition sleeve 23 is at least partially disposed on the first through hole 221 and connected to the tension detector 22, an inner hole 231 of the transition sleeve 23 is a threaded hole, and the stretched piece 300 can be detachably connected to the tension detector 22 through the transition sleeve 23. Through setting up transition cover 23 for by tensile piece 300 can be through threaded connection's mode with transition cover 23 direct connection, and then indirect and tensile detector 22 can dismantle the connection, can enough be convenient for tensile detector 22 and by being connected between tensile piece 300, can also reduce tensile detector 22 when being stretched damage to tensile detector 22 simultaneously.

In some optional examples, the size of the transition sleeve 23 in the thickness direction X is smaller than or equal to that of the tension detector 22, and the transition sleeve 23 is completely located in the first through hole 221 and detachably connected with the side wall enclosing the first through hole 221. Through the arrangement, the transition sleeve 23 matched with the stretched piece 300 in size can be replaced according to different stretched pieces 300, and the application range of the verification data acquisition equipment 100 and the accuracy of the measurement data are improved.

As an alternative embodiment, at least one end of the transition sleeve 23 in the thickness direction X is provided with two or more force application notches 232, the two or more force application notches 232 are arranged at intervals in the circumferential direction of the transition sleeve 23, and each force application notch 232 is a groove-shaped structure extending along the radial direction of the transition sleeve 23. Through setting up application of force breach 232 for transition cover 23 is easily dismantled and assembled, is convenient for change the transition cover 23 that has different hole sizes in tensile detector 22.

Referring to fig. 1 to fig. 5, optionally, in the verification data acquisition apparatus 100 according to the above embodiments of the present invention, the measuring component 20 further includes a cushion block 24 located in the protection chamber 14, and the cushion block 24 is disposed on a side of the adaptor body 21 away from the mounting table 13, that is, the adaptor body 21 is located between the mounting table 13 and the cushion block 24. The cushion block 24 has an avoiding hole 241 coaxially disposed with the mounting hole 26, and by disposing the cushion block 24 having the avoiding hole 241, the stretched member 300 extending into the protection chamber 14 can pass through the cushion block 24 through the avoiding hole 241 to be connected with the pull head 220 of the stretcher 200. The setting of cushion 24 can play the supporting role to stretcher 200 for the tip of stretcher 200 supports against on cushion 24, can be according to the not unidimensional cushion 24 of being changed of the stretched piece 300 of different length, guarantees that stretcher 200 can be better implements the tensile requirement to stretched piece 300.

In some optional embodiments, the verification data acquiring apparatus 100 according to the above embodiments of the present invention further includes a counter 27, the counter 27 can be connected to the stretcher 200 and acquires the stretching times of the stretched piece 300 by the stretcher 200, and specifically, the counter 27 can be connected to a pipeline between the driving pump 210 and the pulling head 220 of the stretcher 200. By arranging the counter 27, the number of times of stretching can be controlled according to the material and size performance of the stretched piece 300, the stretched piece 300 is prevented from being broken due to stretching for multiple times, and the safety of the data acquisition process is further ensured.

It is understood that the above embodiments of the present invention are illustrated by using the tension detector 22 as a pressure sensor, which is an alternative embodiment, but not limited to the above, and in some other examples, the tension detector 22 may also use a tension sensor. At this time, the adapter 21 may be connected to the lower surface of the mounting table 13 in the thickness direction X, that is, the surface of the mounting table 13 away from the protection chamber 14, and the tension detector 22 is connected to the surface of the adapter 21 facing the mounting table 13, and at least partially extends into the through hole 131 and forms a gap with the side wall surrounding and forming the through hole 131, so that the tension applied to the stretched object 300 by the stretcher 200 can be directly transmitted to the tension detector 22, and the test of the actual tension applied to the stretched object 300 by the stretcher 200 can also be realized.

Therefore, the embodiment of the utility model provides a check-up data acquisition equipment 100, because of it includes the cabinet body 10 and measuring part 20, through restriction measuring part 20 including range upon range of switching body 21 and the tension detector 22 that sets up, and restriction switching body 21 is connected to the mount table 13 of the cabinet body 10 with the tension detector 22, can guarantee the detection precision of tension detector 22, can acquire stretcher 200 through tension detector 22 and act on the actual pulling force by the stretcher at the during operation, whether up to standard with being used for the later stage to judge stretcher 200 precision.

For example, the actual tension value of the stretcher 200 acting on the stretched object 300 obtained by the tension detector 22 can be compared with the theoretical value by comparing the same pressure value of the driving pump 210 acting on the stretcher 200, so as to determine whether the stretched object reaches the standard, and of course, this is a way of determining whether the stretched object 200 reaches the standard by using the actual tension value obtained by the tension detector 22, in some other embodiments, the actual tension values of a plurality of stretchers 200 acting on the stretched object 300 can also be obtained by using the verification data obtaining apparatus 100, and the fitting function can also be used to calculate and verify whether the stretched object 200 reaches the standard by using the given pressure fitting function of the driving pump 210 corresponding to the actual tension values and the actual tension values. The above-mentioned utilization of the data acquired by the verification data acquiring apparatus 100 is only an example, and is not limited to the above two manners, and may be used specifically according to the requirement, for example, it may also be used for performing value tracing on the tensioner output pretension force accuracy.

And the utility model discloses the protection cavity 14 and the mounting hole 26 of corresponding setting both be convenient for by being connected between tensile member 300 and the tensile force detector 22, simultaneously, can also make by tensile member 300 stretch into in the protection cavity 14 and by the pull head 220 of stretcher 200 tensile by mounting hole 26, can protect by tensile member 300, bring the threat to operating personnel's safety when avoiding it to be broken, so easily use widely.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A verification data acquisition apparatus (100) for acquiring a tensile force applied to a stretched member (300) by a stretcher (200), characterized in that the verification data acquisition apparatus (100) comprises:

the cabinet body (10) comprises a mounting table (13) and a protection part (11) arranged on the mounting table (13), wherein the mounting table (13) and the protection part (11) jointly enclose to form a protection chamber (14);

a measuring member (20) connected to the mounting table (13), wherein the measuring member (20) includes an adapter (21) and a tension detector (22) that are stacked in the thickness direction (X) of the mounting table (13) and connected to each other, and the adapter (21) is connected to the mounting table (13);

the measuring component is provided with a mounting hole (26) penetrating through the adapter body (21) and the tension detector (22) along the thickness direction (X), and the stretched piece (300) can be connected with the tension detector (22) and extends into the protection chamber (14) from the mounting hole (26).

2. The verification data acquisition device (100) according to claim 1, wherein the mounting stage (13) has a through hole (131) extending therethrough in the thickness direction (X), the adapter body (21) is disposed to cover the through hole (131) and is detachably connected to the mounting stage (13), and the tension detector (22) at least partially extends into the through hole (131) and forms a gap with a sidewall enclosing the through hole (131).

3. The verification data acquisition device (100) according to claim 2, wherein the mounting table (13) has a plurality of first mounting holes spaced around the tension detector (22), and the adapter body (21) has a second mounting hole opposite to the first mounting hole;

the mounting table (13) and the adapter body (21) are detachably connected through fasteners (25) arranged in the first mounting hole and the second mounting hole, wherein at least one of the first mounting hole and the second mounting hole is a strip-shaped hole.

4. The verification data acquisition device (100) according to claim 1, wherein the measurement component (20) further comprises a transition sleeve (23), and the mounting hole (26) comprises a first through hole (221) provided in the tension detector (22) and a second through hole (211) provided in the adapter body (21);

the transition sleeve (23) is at least partially arranged in the first through hole (221) and connected with the tension detector (22), an inner hole (231) of the transition sleeve (23) is a threaded hole, and the stretched piece (300) can be detachably connected with the tension detector (22) through the transition sleeve (23).

5. Verification data acquisition device (100) according to claim 4, characterized in that in the thickness direction (X) the transition sleeve (23) has a size smaller than or equal to the size of the pull detector (22), the transition sleeve (23) being completely located within the first through hole (221) and being detachably connected to the side wall enclosing the first through hole (221).

6. The verification data acquisition device (100) according to claim 4, wherein the transition sleeve (23) is provided with two or more force application notches (232) at least one end in the thickness direction (X), the two or more force application notches (232) are arranged at intervals in the circumferential direction of the transition sleeve (23), and each force application notch (232) is a groove-shaped structure extending along the radial direction of the transition sleeve (23).

7. The verification data acquisition device (100) according to claim 1, wherein the measurement component (20) further comprises a spacer block (24) located in the shielding chamber (14), the spacer block (24) is disposed on the adapter body (21) and the adapter body (21) is located between the mounting table (13) and the spacer block (24), the spacer block (24) has an avoidance hole (241) coaxially disposed with the mounting hole (26);

and/or the verification data acquisition equipment (100) further comprises a counter (27), wherein the counter (27) can be connected with the stretcher (200) and acquires the stretching times of the stretched piece (300) by the stretcher (200).

8. Verification data acquisition device (100) according to any one of claims 1 to 7, characterized in that the tension detector (22) is a pressure sensor or a tension sensor, and the projection of the tension detector (22) in the thickness direction (X) is a circular ring or a regular polygonal ring.

9. The verification data acquisition apparatus (100) according to any one of claims 1 to 7, wherein the cabinet (10) further includes a support portion (12) supporting the guard portion (11);

protection portion (11) including with mount table (13) enclose jointly and close formation base member (111) and guard gate (112) of protection cavity (14), base member (111) have with the opening of protection cavity (14) intercommunication, guard gate (112) seal the opening setting and with base member (111) rotate and are connected, supporting part (12) are the frame construction of fretwork and with base member (111) are connected.

10. The verification data acquisition apparatus (100) according to claim 9, wherein the number of the openings is two or more, opening directions of the two or more openings are arranged to intersect with each other, and the guard door (112) is provided at each of the openings;

and/or the protective part (11) is provided with an observation hole (112a) communicated with the protective chamber (14).

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