CN220339290U - Detection tool for shielding net - Google Patents

Abstract

The utility model relates to a detection tool for a shielding net, which comprises a base, a guide post, a positioning post, a supporting frame, a positioning pin, a height go-no-go gauge and a coaxiality go-no-go gauge. The guide post is connected to the base and extends vertically. The locating column is connected in the base and locates the week side of guide post, and the top of locating column and the top of guide post have the difference in height, and the locating column is equipped with the constant head tank, and the constant head tank is the restraint face towards the inside wall of guide post, and the restraint face is used for offseting with the terminal surface of inserts and makes shielding net and guide post coaxial arrangement. The support frame is connected in the reference column to have the interval with the base, the guide post is located through the groove cover of stepping down to the support frame, and step down groove and guide post coaxial arrangement still are equipped with the supporting slot that corresponds the constant head tank on the support frame. The positioning pin movably penetrates through the positioning column and comprises an inserting part which extends into the supporting groove. By simulating the installation conditions of the shielding net, the assembly accuracy of the shielding net is detected before the shielding net is assembled to the sleeve.

Description

Detection tool for shielding net

Technical Field

The utility model relates to the technical field of electrical equipment detection, in particular to a detection tool for a shielding net.

Background

A shielding net is arranged in the sleeve in the related art, and in order to ensure the electrical performance of the sleeve, strict requirements are placed on the assembly accuracy of the shielding net. If the shielding net is found to be unqualified after assembly, the sleeve is scrapped or needs to be disassembled, and consumed time and consumed materials are very long. It is therefore necessary to detect the accuracy of the assembly of the shielding before it is assembled to the sleeve.

Disclosure of Invention

The utility model aims to provide a detection tool for a shielding net, which is used for detecting the assembly accuracy of the shielding net before the shielding net is assembled to a sleeve by simulating the installation condition of the shielding net.

In order to solve the technical problems, the utility model adopts the following technical scheme.

The utility model provides a detection tool for a shielding net, wherein an insert extending outwards along the radial direction of the shielding net is arranged on the periphery of the shielding net, and an assembly hole is formed in the insert, and the detection tool for the shielding net comprises: a base; the guide column is connected with the base and extends vertically; the positioning column is connected to the base and arranged on the periphery of the guide column, the top of the positioning column and the top of the guide column are provided with height differences, one side of the positioning column facing the guide column is provided with a positioning groove extending vertically, the inner side wall of the positioning groove facing the guide column is a restraint surface, the restraint surface is used for propping against the end surface of the insert to enable the shielding net and the guide column to be coaxially arranged, and the positioning column is also provided with a moving groove; the support frame is connected to the positioning column and is provided with a space with the base, the support frame is provided with a yielding groove extending vertically, the support frame is sleeved on the guide column through the yielding groove, the yielding groove and the guide column are coaxially arranged, the moving groove extends along the radial direction of the yielding groove, the support frame is also provided with a support groove extending along the radial direction of the yielding groove, and the support groove corresponds to the positioning groove; the positioning pin is movably arranged in the moving groove in a penetrating mode and comprises an inserting part which extends into the supporting groove; the height go-no-go gauge comprises a first top surface and a second top surface, and the height of the first top surface is lower than that of the second top surface; the coaxiality go-no-go gauge is internally provided with a guide groove extending vertically, and the guide groove can be used for the guide post to penetrate through.

According to some embodiments of the present application, the support frame is further provided with a through groove extending vertically, and the through groove is arranged on the peripheral side of the abdication groove; the positioning column penetrates through the abdication groove, and a through hole extending along the transverse direction is further formed in the positioning column; the detection tool for the shielding net further comprises a support shaft, wherein the support shaft penetrates through the through hole and is supported below the support frame.

According to some embodiments of the present application, the support frame is further provided with a first locking hole extending along a transverse direction; the two first lock holes are respectively arranged at two sides of the through groove; the positioning column is also provided with second lock holes extending transversely, and the two second lock holes are respectively arranged at two sides of the positioning column and correspond to the two first lock holes respectively; the detection tool for the shielding net further comprises bolts, the two bolts correspond to the two first lock holes and the second lock holes respectively, and the bolts penetrate through the corresponding first lock holes and are in threaded connection with the corresponding second lock holes.

According to some embodiments of the present application, the axiality go-no-go gauge is further connected with a handle.

According to some embodiments of the present application, the detection tool for the shielding net further comprises an inner diameter go-no-go gauge; the inner diameter go-no-go gauge comprises a first section and a second section which are coaxially connected, and the diameter of the first section is smaller than that of the second section.

In some embodiments of the present application, the constrained surface includes a first plane and a second plane; the first plane is positioned above the second plane, and the distance between the first plane and the guide post is larger than the distance between the second plane and the guide post; the second plane is used for propping against the end face of the insert to enable the shielding net and the guide post to be coaxially arranged, and the positioning post is further provided with a moving groove.

In some embodiments of the present application, at least three inserts extending outward along the radial direction of the shielding net are disposed on the peripheral side of the shielding net; and the positioning column, the supporting groove on the supporting frame and the positioning pin are correspondingly provided with at least three positioning columns respectively.

In some embodiments of the present application, three inserts are provided, and an included angle between axes of two adjacent inserts is a right angle; the positioning columns, the supporting grooves on the supporting frame and the positioning pins are correspondingly provided with three positioning columns respectively.

According to some embodiments of the application, the base is provided with the installation groove extending vertically, and the section of the installation groove is concave; the section of the positioning column is concave and is inserted into the mounting groove.

In some embodiments of the present application, two fixing columns are protruding on the base; the two ends of the height go-no-go gauge are respectively provided with a fixing hole, and the fixing holes can be used for the fixing columns to penetrate through.

As can be seen from the technical scheme, the embodiment of the utility model has at least the following advantages and positive effects:

in the detection tool for the shielding net, the insert is aligned to extend into the positioning groove, the shielding net is aligned to extend into the abdicating groove, the shielding net is placed from top to bottom along the extending track of the positioning groove, the insert is supported in the supporting groove, the shielding net is sleeved on the guide post, and the bottom of the shielding net is spaced from the base. The restraining surface is propped against the end surface of the insert to enable the shielding net and the guide post to be coaxially arranged.

Through removing the locating pin, if the grafting portion of locating pin can insert in the pilot hole of inserts, then the position of pilot hole satisfies the requirement, otherwise if unable the position of pilot hole does not satisfy the requirement. By observing the height of the top of the shielding net, if the height is between the top of the positioning column and the top of the guide column, the position of the top of the shielding net meets the requirement, and if the height is not between the top of the positioning column and the top of the guide column, the position of the top of the shielding net does not meet the requirement. Through the high no-go gage that leads to of bottom removal at the shielding net, if first top surface can pass through the interval between shielding net bottom and the base, and the second top surface can't pass through the interval between shielding net bottom and the base, then the position of shielding net bottom satisfies the requirement, otherwise if first top surface can't pass through or the second location can't pass through, then the position of shielding net bottom can't satisfy the requirement. Through wearing to establish the guide post to the guide way in, place axiality expert no-go gage from top to bottom along the extending track of guide post, if axiality expert no-go gage can wear to establish to the shielding net in to have certain interval with the shielding net between, then the axiality of shielding net satisfies the requirement, otherwise if axiality expert no-go gage can't wear to establish to the shielding net in, or the shielding net wears to have the contact with the shielding net after establishing in the shielding net, then the axiality of shielding net can't satisfy the requirement. Based on the above detection process, the installation condition of the shielding net in the sleeve can be simulated, and the assembly accuracy of the shielding net is detected before the shielding net is assembled to the sleeve.

Drawings

Various objects, features and advantages of the present utility model will become more apparent from the following detailed description of the preferred embodiments of the utility model, when taken in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the utility model and are not necessarily drawn to scale. In the drawings, like reference numerals refer to the same or similar parts throughout. Wherein:

fig. 1 is a schematic view of the structure of a shielding net.

Fig. 2 is a perspective view of a part of the structure of a detection tool for shielding net according to an embodiment of the present utility model.

Fig. 3 is a perspective view of the positioning post of fig. 2.

Fig. 4 is a perspective view of the support stand of fig. 2.

Fig. 5 is a perspective view of the height go-no-go gauge of fig. 2.

Fig. 6 is a perspective view of the shielding net when the coaxiality passing gauge is added to the partial structure in fig. 2.

Fig. 7 is a front view of fig. 6 with the coaxiality go-no gauge removed.

Fig. 8 is a perspective view of the base of fig. 2.

Fig. 9 is a perspective view of the inside diameter go-no go gauge.

The reference numerals are explained as follows: 100. a shielding net; 110. an insert; 111. a fitting hole; 1. a base; 11. fixing the column; 12. a mounting groove; 2. a guide post; 3. positioning columns; 31. a positioning groove; 311. a restraint surface; 3111. a first plane; 3112. a second plane; 32. a moving groove; 33. perforating; 34. a second lock hole; 4. a support frame; 41. a relief groove; 42. a support groove; 43. a pass through slot; 44. a first lock hole; 5. a positioning pin; 51. a plug-in part; 6. height go-no-go gauge; 61. a first top surface; 62. a second top surface; 63. a fixing hole; 7. coaxiality go-no-go gauge; 71. a guide groove; 72. a handle; 8. an inner diameter go-no-go gauge; 81. a first section; 82. a second section; 91. a support shaft; 92. and (5) a bolt.

Detailed Description

While this utility model is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the utility model and is not intended to limit the utility model to that as illustrated.

Thus, rather than implying that each embodiment of the present utility model must have the characteristics described, one of the characteristics indicated in this specification will be used to describe one embodiment of the present utility model. Furthermore, it should be noted that the present specification describes a number of features. Although certain features may be combined together to illustrate a possible system design, such features may be used in other combinations not explicitly described. Thus, unless otherwise indicated, the illustrated combinations are not intended to be limiting.

In the embodiments shown in the drawings, indications of orientation (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various elements of the utility model are not absolute but relative. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the description of the position of these elements changes, the indication of these directions changes accordingly.

Referring to fig. 1, the present utility model provides a detection tool for a shielding net 100, wherein an insert 110 extending outwards along a radial direction of the shielding net 100 is disposed on a peripheral side of the shielding net 100, and an assembly hole 111 is disposed on the insert 110.

Referring to fig. 1 to 7, a detection tool for a shielding net 100 according to an embodiment of the present utility model mainly includes a base 1, a guide post 2, a positioning post 3, a supporting frame 4, a positioning pin 5, a height go-no-go gauge 6 and a coaxiality go-no-go gauge 7.

Referring to fig. 2, a guide post 2 is connected to the base 1 and extends vertically.

Referring to fig. 2 and 3, the positioning column 3 is connected to the base 1 and disposed on a peripheral side of the guiding column 2, a height difference is formed between a top of the positioning column 3 and a top of the guiding column 2, a positioning slot 31 extending vertically is disposed on a side of the positioning column 3 facing the guiding column 2, a restraining surface 311 is disposed on an inner side wall of the positioning slot 31 facing the guiding column 2, and the restraining surface 311 is used for abutting against an end surface of the insert 110 to enable the shielding net 100 and the guiding column 2 to be coaxially disposed, and a moving slot 32 is further disposed on the positioning column 3.

Referring to fig. 2 and 4, the supporting frame 4 is connected to the positioning column 3 and has a space with the base 1, the supporting frame 4 is provided with a yielding groove 41 extending vertically, the supporting frame 4 is sleeved on the guiding column 2 through the yielding groove 41, the yielding groove 41 and the guiding column 2 are coaxially arranged, the moving groove 32 extends along the radial direction of the yielding groove 41, the supporting frame 4 is further provided with a supporting groove 42 extending along the radial direction of the yielding groove 41, and the supporting groove 42 corresponds to the positioning groove 31.

Referring to fig. 2, the positioning pin 5 is movably disposed in the moving slot 32, and the positioning pin 5 includes a plugging portion 51, where the plugging portion 51 extends into the supporting slot 42.

Referring to fig. 5, the height go-no-go gauge 6 includes a first top surface 61 and a second top surface 62, and the height of the first top surface 61 is lower than the height of the second top surface 62.

Referring to fig. 6, a guiding groove 71 extending vertically is provided in the coaxiality go-no-go gauge 7, and the guiding groove 71 can be provided for the guiding post 2 to pass therethrough.

Referring mainly to fig. 3 and 6, when the inspection tool is in use, the insert 110 is aligned to extend into the positioning groove 31, the shielding net 100 is aligned to extend into the yielding groove 41, the shielding net 100 is placed from top to bottom along the extending track of the positioning groove 31, so that the insert 110 is supported in the supporting groove 42, the shielding net 100 is sleeved on the guide post 2, and the bottom of the shielding net 100 is spaced from the base 1. The restraining surface 311 is abutted against the end surface of the insert 110, so that the shielding net 100 and the guide post 2 are coaxially arranged.

By moving the positioning pin 5, if the insertion portion 51 of the positioning pin 5 can be inserted into the fitting hole 111 of the insert 110, the position of the fitting hole 111 satisfies the requirement, whereas if it cannot be inserted, the position of the fitting hole 111 does not satisfy the requirement.

It should be noted that, moving the positioning pin 5 to insert the plugging portion 51 into the assembly hole 111 may be performed first after the shielding net 100 is mounted to the detection tool, and the shielding net 100 is fixed by inserting the plugging portion 51 into the assembly hole 111, so that a subsequent detection step is conveniently performed.

In this embodiment, the assembly hole 111 is a screw hole with an internal thread, the plug portion 51 has an external thread thereon, and the plug portion 51 is for being screwed into the assembly hole 111.

Referring to fig. 7, by observing the height of the top of the shielding net 100, if the height is between the top of the positioning column 3 and the top of the guiding column 2, the position of the top of the shielding net 100 is satisfied, and if the height is not, the position of the top of the shielding net 100 is not satisfied. Specifically, taking the example that the top of the guide post 2 is higher than the top of the positioning post 3, if the top of the shielding net 100 is higher than the top of the Yu Daoxiang post 2 or lower than the top of the positioning post 3, the position of the top of the shielding net 100 does not satisfy the requirement.

In this embodiment, the top of the guide post 2 is higher than the top of the positioning post 3. In other embodiments, the top of the guide post 2 may be lower than the top of the positioning post 3.

Referring to fig. 5 and 7, by moving the height go-no-go gauge 6 at the bottom of the shielding net 100, if the first top surface 61 can pass through the space between the bottom of the shielding net 100 and the base 1, and the second top surface 62 cannot pass through the space between the bottom of the shielding net 100 and the base 1, the position of the bottom of the shielding net 100 meets the requirement, otherwise if the first top surface 61 cannot pass through or the second positioning can pass through, the position of the bottom of the shielding net 100 cannot meet the requirement.

In this embodiment, the first top surface 61 has a "on" character as a mark, and the second top surface 62 has a "off" character as a mark, which is convenient for recognition during detection. In the length direction of the height go-no-go gauge 6, the span of the first top surface 61 is larger than that of the second top surface 62, so that the first top surface 61 is beneficial to detecting whether all positions of the bottom of the shielding net 100 can pass.

Referring to fig. 7 and 8, and referring to fig. 5, two fixing posts 11 are protruded on the base 1. The two ends of the height go-no-go gauge 6 are respectively provided with a fixing hole 63, and the fixing holes 63 can be used for the fixing columns 11 to penetrate through. When the height go-no-go gauge 6 is not applicable, the height go-no-go gauge can be placed on the base 1, the two fixing columns 11 are respectively penetrated into the two fixing holes 63, and the movement of the height go-no-go gauge 6 is limited.

Referring to fig. 7 and 8, and referring to fig. 3, a mounting groove 12 extending vertically is formed in the base 1, and a cross section of the mounting groove 12 is concave. The section of the positioning column 3 is concave and is inserted into the mounting groove 12. The positioning columns 3 are matched with the mounting grooves 12 in shape and are concave, so that the positioning columns 3 inserted into the mounting grooves 12 can be prevented from inclining.

Referring to fig. 7, by inserting the guide post 2 into the guide groove 71, the coaxiality go-no-go gauge 7 is placed from top to bottom along the extending track of the guide post 2, and if the coaxiality go-no-go gauge 7 can be inserted into the shielding net 100 and has a certain interval with the shielding net 100, the coaxiality of the shielding net 100 meets the requirement. In the present embodiment, the coaxiality passing-and-stopping gauge 7 and the shielding net 100 are satisfied when the interval is smaller than 0.03 mm. Of course, in other embodiments, the interval may also be adjusted to the determination specification according to the actual requirement. Otherwise, if the coaxiality go-no-go gauge 7 cannot be inserted into the shielding net 100, or the shielding net 100 is in contact with the shielding net 100 after being inserted into the shielding net 100, the coaxiality of the shielding net 100 cannot meet the requirement.

In this embodiment, the coaxiality go-no-go gauge 7 is further connected with a handle 72, so that the coaxiality go-no-go gauge 7 is lifted conveniently.

Based on the above detection process, the installation condition of the shielding net 100 in the sleeve can be simulated, and the assembly accuracy of the shielding net 100 can be detected before the shielding net 100 is assembled to the sleeve.

Referring to fig. 9, the detection tool for the shielding net 100 further includes an inner diameter go-no-go gauge 8. The inside diameter go-no-go gauge 8 includes a first section 81 and a second section 82 coaxially connected, the diameter of the first section 81 being smaller than the diameter of the second section 82. The inside diameter go-no-go gauge 8 can be used alone, and the roundness of the shielding net 100 can be detected by the inside diameter go-no-go gauge 8 before the shielding net 100 is assembled to the positioning column 3 and the supporting frame 4. If the first section 81 can be inserted into the shielding net 100 and the second section 82 cannot be inserted into the shielding net 100, the roundness of the shielding net 100 satisfies the requirement. Conversely, if the first section 81 cannot be inserted into the shielding net 100, or if the second section 82 can be inserted into the shielding net 100, the roundness of the shielding net 100 does not meet the requirement.

If the roundness of the shielding net 100 detected by the inner diameter go-no-go gauge 8 does not meet the requirement, the subsequent detection process may not be performed.

Referring to fig. 1 and 2, and in combination with fig. 4 and 6, the shielding net 100 is provided at its peripheral side with at least three inserts 110 extending radially outwardly of the shielding net 100. At least three positioning posts 3, support grooves 42 on the support frame 4 and positioning pins 5 are correspondingly arranged. The at least three inserts 110 are supported in the supporting groove 42, and the end surfaces of the at least three inserts 110 are combined to be propped against the restraining surfaces 311 of the positioning grooves 31 on the corresponding positioning columns 3, so that the shielding net 100 can be prevented from shaking and shifting.

In this embodiment, three inserts 110 are provided, and the included angle between the axes of two adjacent inserts 110 is a right angle. Three positioning columns 3, three supporting grooves 42 on the supporting frame 4 and three positioning pins 5 are correspondingly arranged.

Referring to fig. 3 and 4, and referring to fig. 7, the supporting frame 4 is further provided with a vertically extending through slot 43, and the through slot 43 is disposed on a peripheral side of the relief slot 41. The positioning column 3 is arranged in the abdication groove 41 in a penetrating way, and the positioning column 3 is also provided with a through hole 33 extending along the transverse direction. The detection tool for the shielding net 100 further comprises a support shaft 91, wherein the support shaft 91 is arranged in the through hole 33 in a penetrating mode and is supported below the support frame 4. In this embodiment, three through slots 43 are provided on the support frame 4, and three positioning posts 3 are correspondingly disposed in the three positioning slots 31. The support shafts 91 are provided with three holes 33 which penetrate through the three positioning columns 3 in a one-to-one correspondence manner. The support frame 4 forms a constraint on the three positioning columns 3, and can prevent the positioning columns 3 from tilting to a certain extent.

The support frame 4 is further provided with a first locking hole 44 extending in the transverse direction. The two first locking holes 44 are respectively arranged at two sides of the through groove 43. The positioning column 3 is further provided with second lock holes 34 extending transversely, and the two second lock holes 34 are respectively arranged on two sides of the positioning column 3 and respectively correspond to the two first lock holes 44. The detection tool for the shielding net 100 further comprises bolts 92, the two bolts 92 respectively correspond to the two first lock holes 44 and the second lock holes 34, and the bolts 92 penetrate through the corresponding first lock holes 44 and are in threaded connection with the corresponding second lock holes 34. The support frame 4 and the positioning column 3 can be fixed more stably by the bolts 92, and the disassembly is convenient. In this embodiment, six first locking holes 44 are provided on the support frame 4, and each two first locking holes 44 corresponds to a through slot 43.

Referring to fig. 3 and 6, constraint surface 311 includes a first plane 3111 and a second plane 3112. The first plane 3111 is located above the second plane 3112, and a distance between the first plane 3111 and the guide post 2 is greater than a distance between the second plane 3112 and the guide post 2. The second plane 3112 is used to coaxially arrange the shielding mesh 100 with the guide post 2 against the end face of the insert 110. The insert 110 can move in the height section where the first plane 3111 is located after extending into the positioning slot 31 by utilizing a larger distance between the first plane 3111 and the guide post 2, and then the shielding door and the guide post 2 are coaxially arranged by abutting the second plane 3112 with a smaller distance between the second plane 3112 and the guide post 2 with the end face of the insert 110.

While the utility model has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present utility model may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A detect frock for shielding net, shielding net's week side is equipped with the edge shielding net's radial outwards extends's inserts, be equipped with the pilot hole on the inserts, its characterized in that includes:

a base;

the guide column is connected with the base and extends vertically;

the positioning column is connected to the base and arranged on the periphery of the guide column, the top of the positioning column and the top of the guide column are provided with height differences, one side of the positioning column facing the guide column is provided with a positioning groove extending vertically, the inner side wall of the positioning groove facing the guide column is a restraint surface, the restraint surface is used for propping against the end surface of the insert to enable the shielding net and the guide column to be coaxially arranged, and the positioning column is also provided with a moving groove;

the support frame is connected to the positioning column and is provided with a space with the base, the support frame is provided with a yielding groove extending vertically, the support frame is sleeved on the guide column through the yielding groove, the yielding groove and the guide column are coaxially arranged, the moving groove extends along the radial direction of the yielding groove, the support frame is also provided with a support groove extending along the radial direction of the yielding groove, and the support groove corresponds to the positioning groove;

the positioning pin is movably arranged in the moving groove in a penetrating mode and comprises an inserting part which extends into the supporting groove;

the height go-no-go gauge comprises a first top surface and a second top surface, and the height of the first top surface is lower than that of the second top surface;

the coaxiality go-no-go gauge is internally provided with a guide groove extending vertically, and the guide groove can be used for the guide post to penetrate through.

2. The detection tool for the shielding net according to claim 1, wherein the supporting frame is further provided with a through groove extending vertically, and the through groove is arranged on the periphery of the yielding groove;

the positioning column penetrates through the abdication groove, and a through hole extending along the transverse direction is further formed in the positioning column;

the detection tool for the shielding net further comprises a support shaft, wherein the support shaft penetrates through the through hole and is supported below the support frame.

3. The detection tool for shielding nets according to claim 2, wherein the support frame is further provided with a first locking hole extending along the transverse direction;

the two first lock holes are respectively arranged at two sides of the through groove;

the positioning column is also provided with second lock holes extending transversely, and the two second lock holes are respectively arranged at two sides of the positioning column and correspond to the two first lock holes respectively;

the detection tool for the shielding net further comprises bolts, the two bolts correspond to the two first lock holes and the second lock holes respectively, and the bolts penetrate through the corresponding first lock holes and are in threaded connection with the corresponding second lock holes.

4. The detection tool for shielding nets according to claim 1, wherein the coaxiality go-no-go gauge is further connected with a handle.

5. The inspection tool for shielding mesh according to claim 1, further comprising an inside diameter go-no-go gauge;

the inner diameter go-no-go gauge comprises a first section and a second section which are coaxially connected, and the diameter of the first section is smaller than that of the second section.

6. The detection tool for shielding nets of claim 1, wherein the restraining surface comprises a first plane and a second plane;

the first plane is positioned above the second plane, and the distance between the first plane and the guide post is larger than the distance between the second plane and the guide post;

the second plane is used for propping against the end face of the insert to enable the shielding net and the guide post to be coaxially arranged, and the positioning post is further provided with a moving groove.

7. The detection tool for the shielding net according to claim 1, wherein at least three inserts extending outwards in the radial direction of the shielding net are arranged on the peripheral side of the shielding net;

and the positioning column, the supporting groove on the supporting frame and the positioning pin are correspondingly provided with at least three positioning columns respectively.

8. The detection tool for shielding nets according to claim 7, wherein three inserts are provided, and an included angle between axes of two adjacent inserts is a right angle;

the positioning columns, the supporting grooves on the supporting frame and the positioning pins are correspondingly provided with three positioning columns respectively.

9. The detection tool for the shielding net according to claim 1, wherein the base is provided with a vertically extending mounting groove, and the cross section of the mounting groove is concave;

the section of the positioning column is concave and is inserted into the mounting groove.

10. The detection tool for shielding nets according to claim 1, wherein two fixing columns are protruded on the base;

the two ends of the height go-no-go gauge are respectively provided with a fixing hole, and the fixing holes can be used for the fixing columns to penetrate through.