CN218917165U

CN218917165U - Adhesive tape holding force test device

Info

Publication number: CN218917165U
Application number: CN202223029367.5U
Authority: CN
Inventors: 邓波; 严中华; 王平松; 段声亮
Original assignee: Sichuan Qiruike Technology Co Ltd
Current assignee: Sichuan Qiruike Technology Co Ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-04-25
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to a device for testing the holding power of an adhesive tape, and belongs to the technical field of adhesive tape detection. The utility model comprises a support frame, wherein the top of the support frame is provided with a support rod assembly, the support rod assembly comprises a support rod which is horizontally arranged, the top of the support frame is provided with a main adjusting module and a secondary adjusting module which are oppositely arranged, the main adjusting module comprises a main adjusting module base which is fixedly arranged at the top of the support frame, the secondary adjusting module comprises a secondary adjusting module base which is fixedly arranged at the top of the support frame, one end of the support rod is rotationally connected with the secondary adjusting module base, the other end of the support rod is rotationally connected with the main adjusting module base, and a rotation angle adjusting and locking device is arranged between the main adjusting module base and the support rod; the supporting rod is provided with a connecting screw rod for hanging and fixing the test assembly. The utility model can realize the rapid adjustment of the test angle and ensure that the adjusted angle is continuously and accurately maintained in the test process.

Description

Adhesive tape holding force test device

Technical Field

The utility model relates to a device for testing the holding power of an adhesive tape, and belongs to the technical field of adhesive tape detection.

Background

Conventional detection of the adhesive tape is required before shipment, such as adhesive force, holding force, initial adhesive force, etc., where holding force refers to the ability of the adhesive tape to resist displacement. For the adhesive holding force test of the adhesive tape, the adhesive tape is stuck on a stainless steel plate with a certain roughness (usually 50nm plus or minus 25 nm) requirement according to an industry standard method, is vertically hung on a test stand and is put into an environmental test box, a test weight (usually 200g, 500g, 1.0kg and 1.5 kg) with a specified weight is hung at the lower end through a test pendant, and the adhesive tape sticking displacement amount or the adhesive tape complete detachment time is detected after a specific time.

The existing adhesive tape adhesion force test device mainly comprises a test frame and a test assembly, wherein the test assembly comprises a stainless steel plate, a weight hanging piece, weights and an adhesive tape, one end of the manufactured adhesive tape is firstly cut flatly and uniformly adhered to the stainless steel plate before adhesion force test, the other free end of the adhesive tape is adhered to the weight hanging piece, the free end of the adhesive tape is vertical, no stripping force is ensured to act on the adhesive tape, the stainless steel plate is hung on the test frame and fastened, then the weights are lightly applied to the weight hanging piece, so that shearing impact force is not generated on a sample, the test assembly of all stations is manufactured and completely hung on the test frame and fastened, finally the whole test frame is placed in a high-temperature high-humidity environment box for adhesion force test, and the adhesion displacement amount of the adhesive tape or the complete detachment time of the adhesive tape is detected after specific time. With the higher requirements of customers on the adhesive tape adhesion test, not only the 180 DEG (the included angle between the non-adhered section wide surface of the adhesive tape and the wide surface of the stainless steel plate in the vertical direction is described above) adhesion test, but also the 45 DEG and 90 DEG constant angle adhesion test is required, because the adhesion test takes a long time under the high-temperature and high-humidity environment and the weight of part of test components reaches tens of kilograms, the conventional adhesive tape adhesion test device in the industry can not realize rapid adjustment at the angles of 45 DEG, 90 DEG and 180 DEG and can keep the adjusted angle accurate continuously in the test process. Taking patent document with publication number of CN208672506U as an example, the high-temperature high-humidity adhesion tester comprises a case, wherein the top of the inner wall of the case is connected with a connecting block, the bottom of the connecting block is connected with the top of an upper experiment plate, the front of the upper experiment plate is adhered with the front of a lower experiment plate through double faced adhesive tape, the bottom of the lower experiment plate is provided with a hanging hole, and the axle center of the hanging hole is connected with weights through a hook; the scheme can only realize 180-degree adhesion test.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: provided is a device for testing the holding power of an adhesive tape, which can conveniently realize the holding power test of the adhesive tape at multiple angles.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the adhesive tape holding adhesion test device comprises a support frame, a support rod assembly is arranged at the top of the support frame, the support rod assembly comprises a support rod which is horizontally arranged, a main adjusting module and a slave adjusting module which are oppositely arranged are arranged at the top of the support frame, the main adjusting module comprises a main adjusting module base which is fixedly arranged at the top of the support frame, the slave adjusting module comprises a slave adjusting module base which is fixedly arranged at the top of the support frame, one end of the support rod is rotationally connected with the slave adjusting module base, the other end of the support rod is rotationally connected with the main adjusting module base, a rotating angle adjusting locking device is arranged between the main adjusting module base and the support rod, the rotating angle adjusting locking device comprises a main adjusting module fixing flange, an angle flange and a lock pin connecting assembly, one part of the main adjusting module fixing flange and the angle flange is fixedly connected with one end of the support rod, the other part of the main adjusting module fixing flange is fixedly connected with the main adjusting module base, a plurality of connecting slots which are arranged at intervals along the circumferential direction, the outer edge of the angle flange is provided with lock pin mounting slots, one end of the lock pin connecting assembly is rotationally connected or detachably connected with the lock pin mounting slots, and the other end of the lock pin connecting assembly can be detachably connected with the connecting slots, and the lock pin connecting assembly can be disconnected with the lock pin connecting slots; the supporting rod is provided with a connecting screw rod for hanging and fixing the test assembly.

Further is: when the lock pin connecting assembly is connected with one of the connecting slots, the connecting screw rod can be in a horizontal setting state.

Further is: the lock pin connecting assembly comprises a rotating module, a handle screw and a rotating shaft, one end of the rotating module is rotatably arranged in the lock pin mounting groove through the rotating shaft, the axis of the rotating shaft is perpendicular to the axis of the supporting rod, a groove opening screw hole with the axis arranged along the radial direction of the angle flange is formed in the groove bottom of the connecting groove opening, the rotating module is provided with the handle screw hole matched with the handle screw, and the rotating module is fixedly connected with the angle flange through the combination of the handle screw, the handle screw hole and the groove opening screw hole.

Further is: the bracing piece is the rectangular pipe, and the rectangular pipe has the first connecting hole that runs through its two lateral walls, and connecting screw is for passing first connecting screw of first connecting hole, and connecting screw has furnished with butterfly nut.

Further is: the secondary adjusting module comprises a secondary adjusting module fixing flange, one end of the supporting rod is fixedly connected with the secondary adjusting module fixing flange through an L plate matched with a second connecting screw, the other end of the supporting rod is fixedly connected with the primary adjusting module fixing flange through the L plate matched with the second connecting screw, screw matched holes matched with the second connecting screw are formed in two ends of the L plate, second connecting through holes matched with the second connecting screw are formed in two ends of the supporting rod, the secondary adjusting module fixing flange is provided with a secondary adjusting module supporting rod fixing screw hole matched with the second connecting screw, and the primary adjusting module fixing flange is provided with a primary adjusting module supporting rod fixing screw hole matched with the second connecting screw; the auxiliary adjusting module fixing flange is provided with an auxiliary adjusting module fixing flange rectangular through hole matched with the section outline specification of the supporting rod, the end part of the supporting rod passes through the auxiliary adjusting module fixing flange rectangular through hole and then forms running fit with an auxiliary adjusting module base round hole on the auxiliary adjusting module base, the main adjusting module fixing flange is provided with a main adjusting module fixing flange rectangular through hole matched with the section outline specification of the supporting rod, and the end part of the supporting rod passes through the main adjusting module fixing flange rectangular through hole and forms running fit with an angle flange round hole on the angle flange plate.

Further is: the main adjusting module base and the angle flange plate are fixedly connected through screws, the main adjusting module base is provided with a main adjusting module base round hole coaxially arranged with the angle flange round hole, and the end part of the supporting rod is in running fit with the main adjusting module base round hole.

Further is: the second connecting through hole is a gourd-shaped through hole, the gourd-shaped through hole is formed by intersecting a large round hole and a small round hole, the width dimension of the intersecting part is matched with the outer diameter of the threaded rod part of the second connecting screw, and the diameter of the large round hole is matched with the outer diameter of the head part of the second connecting screw.

Further is: the support frame comprises two I-shaped supports which are oppositely arranged, wherein each I-shaped support comprises a top cross rod, a vertical rod and a bottom cross rod which are fixedly connected into a whole, and the bottom cross rods of the two I-shaped supports are fixedly connected through a horizontal cross rod; the main adjusting module base is fixedly connected with the top cross bar of the supporting frame through a base bottom plate; the slave adjusting module base is fixedly connected with the top cross rod of the supporting frame through the bottom plate of the slave adjusting module base.

Further is: the adhesive tape holding force test device further comprises a plurality of groups of test components, each group of test components comprises a connecting plate, an adhesive tape, a weight hanging piece and weights, one end of the connecting plate is provided with a connecting through hole matched with a connecting screw, the other end of the connecting plate is fixedly bonded with one end of the adhesive tape, which is far away from the connecting plate, is fixedly bonded on the outer surface of the weight hanging piece, and one end of the weight hanging piece, which is far away from the adhesive tape, is provided with a connecting through hole for hanging the weights.

The beneficial effects of the utility model are as follows: the distribution interval angle formed by the axial lead of the connecting notch relative to the circle center of the angle flange plate can be preset by the test angle required by the test, and the adhesive tape holding force test under the angles of 45 DEG, 90 DEG and 180 DEG is taken as an example in the background art, and only four or eight connecting notches are uniformly spaced on the angle flange plate. When the test angle needs to be adjusted, the lock pin connecting assembly is separated from the connecting notch, the support rod can be rotated to the set test angle, and then the lock pin connecting assembly is connected and fixed with the connecting notch again. The test assembly is hung and fixed on the connecting screw rod in a conventional mode. The assembled test device is placed into an environmental test box in a conventional mode to develop a related test. The utility model can realize the rapid adjustment of the test angle and ensure that the adjusted angle is continuously and accurately maintained in the test process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic view of a support frame structure in the present utility model.

Fig. 3 is a schematic view of a support rod assembly according to the present utility model.

Figure 4 is a schematic view of an exploded construction of the support rod assembly of the present utility model.

Fig. 5 is a schematic diagram of a main adjusting module structure in the present utility model.

Fig. 6 is an exploded view of the main adjusting module according to the present utility model.

Fig. 7 is a schematic view of the structure of the slave adjusting module in the present utility model.

Fig. 8 is a schematic diagram showing an exploded structure of the slave adjusting module in the present utility model.

FIG. 9 is a schematic view of the structure of the test assembly according to the present utility model.

The marks in the figure:

1. a support frame; 2. a support rod assembly; 3. a main adjustment module; 4. a slave adjustment module; 5. and (5) testing the assembly.

21. A support rod; 22. a first connection through hole; 23. a second connection through hole; 24. a connecting screw; 25. a butterfly nut; 26. l plate.

31. A main adjustment module base; 32. a round hole of the main adjusting module base; 33. a base screw hole; 34. a base bottom plate.

41. An angle flange; 42. a connecting notch; 43. notch screw holes, 44, angle flange counter bores, 45 and angle flange round holes.

51. A main adjusting module fixing flange; 52. a lock pin mounting groove; 53. a lock pin mounting slot; 54. the main adjusting module is fixed with a rectangular through hole of the flange; 55. the main adjusting module support rod is provided with a fixed screw hole.

61. A latch connection assembly; 62. a handle screw; 63. a rotation shaft; 64. and rotating the module.

71. Fixing the flange from the adjusting module; 72. fixing the rectangular through hole of the flange from the adjusting module; 73. fixing screw holes are formed in the supporting rods of the adjusting modules.

81. A slave adjustment module base; 82. from the base circular hole of the adjusting module.

91. A connecting plate; 92. an adhesive tape; 93. a weight hanging piece; 94. and (5) a weight.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 to 9, the utility model comprises a supporting frame 1, a supporting rod assembly 2 is arranged at the top of the supporting frame 1, the supporting rod assembly 2 comprises a supporting rod 21 which is horizontally arranged, a main adjusting module 3 and a secondary adjusting module 4 which are oppositely arranged are arranged at the top of the supporting frame 1, the main adjusting module 3 comprises a main adjusting module base 31 fixedly arranged at the top of the supporting frame 1, the secondary adjusting module 4 comprises a secondary adjusting module base 81 fixedly arranged at the top of the supporting frame 1, one end of the supporting rod 21 is rotatably connected with the secondary adjusting module base 81, the other end of the supporting rod 21 is rotatably connected with the main adjusting module base 31, a rotary angle adjusting locking device is arranged between the main adjusting module base 31 and the supporting rod 21, the rotary angle adjusting locking device comprises a main adjusting module fixing flange 51, an angle flange 41 and a locking pin connecting assembly 61, one part of the main adjusting module fixing flange 51 and the angle flange 41 is fixedly connected with one end of the supporting rod 21, the other part of the main adjusting module fixing flange 41 is fixedly connected with the main adjusting module base 31, the outer edge of the angle flange 41 is provided with a plurality of connecting slots 42 which are circumferentially arranged at intervals, one end of the main adjusting module fixing flange 51 is provided with a connecting slot 52 which is matched with the connecting slot 42, the other end of the connecting assembly can be detachably connected with the locking pin 52, and the connecting slot is detachably connected with the locking pin 42, and the locking pin is detachably connected with one end of the locking assembly 52; the support bar 21 is provided with a connecting screw 24 for suspending and fixing the test assembly 5.

The test angles required by the test can be preset for the axial lead of the connecting notch 42 relative to the distribution interval angle formed by the center of the angle flange 41, and for convenient observation and adjustment control, the connecting notch 42 is generally set in a uniformly distributed manner, and the adhesive tape holding force test under the angles of 45 °, 90 ° and 180 ° is described in the background art, and only four or eight connecting notches 42 are required to be uniformly spaced on the angle flange 41. In order to facilitate the conventional 180 degree angle adhesive tape hold down test, the attachment screw 24 can be placed in a horizontally disposed condition (i.e., the condition shown in fig. 1) when the latch attachment assembly 61 is attached to one of the attachment notches 42.

The latch connection assembly 61 of the present utility model is also broadly understood to be capable of being disengaged from the connection slot 42 and being connected to and fixed to the connection slot 42 in a second state, and is not limited to the preferred embodiment shown in the drawings. For example: the locking pin connection assembly 61 and the locking pin installation groove 52 can be fixed by screw connection.

In order to simplify the rotation adjustment process, the lock pin connection assembly 61 and the lock pin installation groove 52 are preferably implemented in a rotation connection manner, specifically, the lock pin connection assembly 61 comprises a rotation module 64, a handle screw 62 and a rotation shaft 63, one end of the rotation module 64 is rotatably arranged in the lock pin installation groove 52 through the rotation shaft 63, the axis of the rotation shaft 63 is perpendicular to the axis of the support rod 21, a groove bottom of the connection groove 42 is provided with a groove opening screw 43 with an axis arranged along the radial direction of the angle flange 41, the rotation module 64 is provided with a handle screw hole matched with the handle screw 62, and the rotation module 64 and the angle flange 41 are connected and fixed through the combination of the handle screw 62, the handle screw hole and the groove opening screw 43. The handle screw 62 is a screw with a rotating handle, which can be rotated conveniently. The handle screw 62 is preferably treated using an electrostatic spray process. Of course, the handle screw 62 could theoretically be replaced with a conventional screw. Specifically, the rotation shaft 63 may be provided on the sidewall plate of the lock pin mounting groove 52 in the form of a screw or a bolt, and in this embodiment, the rotation shaft 63 is in the form of a bolt, and includes a stainless steel screw passing through the horizontal connection through hole of the rotation module 64 and the lock pin mounting groove hole 53 on the sidewall plate of the lock pin mounting groove 52 at the same time, and the other end of the stainless steel screw is screwed with a mating stainless steel nut, or may be slightly spaced, so long as the rotation module 64 can rotate around the stainless steel screw.

The support rod 21 can theoretically be a solid rod or a hollow tube with various section forms, and when the support rod 21 is in a special shape, the support rod can be positioned by adding a gasket. The support rod 21 is preferably rectangular, so that on one hand, the weight of the support rod assembly 2 can be reduced, the adjustment operation is convenient, and on the other hand, the support rod assembly can be in plane contact with the connecting plate 91 in the test assembly 5 in a larger area, so that the test structure is more reliable. Stainless steel is also preferable for the support rod 21. The connecting screw 24 may be fixedly connected (e.g. welded) to the support rod 21, or may take the form of a separate screw, preferably in the form of a screw in this embodiment, specifically, a rectangular tube has first connecting through holes 22 penetrating both side walls thereof, the connecting screw 24 is a first connecting screw penetrating the first connecting through holes 22, and the connecting screw 24 is provided with a wing nut 25. In order to provide the connecting screw 24 with a sufficient load-bearing capacity, the first connecting screw is preferably a high-strength screw. The butterfly nut 25 is adopted to facilitate the rotation operation. Of course, the wing nut 25 could theoretically be replaced by a common nut.

In order to make the structure simple and reliable, the slave adjusting module 4 comprises a slave adjusting module fixing flange 71, one end of a supporting rod 21 is fixedly connected with the slave adjusting module fixing flange 71 through an L plate 26 matched with a second connecting screw, the other end of the supporting rod 21 is fixedly connected with a master adjusting module fixing flange 51 through the L plate 26 matched with the second connecting screw, both ends of the L plate 26 are respectively provided with a screw matching hole matched with the second connecting screw, both ends of the supporting rod 21 are respectively provided with a second connecting through hole 23 matched with the second connecting screw, the slave adjusting module fixing flange 71 is provided with a slave adjusting module supporting rod fixing screw hole 73 matched with the second connecting screw, and the master adjusting module fixing flange 51 is provided with a master adjusting module supporting rod fixing screw hole 55 matched with the second connecting screw; the secondary adjusting module fixing flange 71 is provided with a secondary adjusting module fixing flange rectangular through hole 72 which is matched with the section outline specification of the supporting rod 21, the end part of the supporting rod 21 passes through the secondary adjusting module fixing flange rectangular through hole 72 and then forms a rotating fit with a secondary adjusting module base round hole 82 on the secondary adjusting module base 81, the primary adjusting module fixing flange 51 is provided with a primary adjusting module fixing flange rectangular through hole 54 which is matched with the section outline specification of the supporting rod 21, and the end part of the supporting rod 21 passes through the primary adjusting module fixing flange rectangular through hole 54 and forms a rotating fit with the angle flange round hole 45 on the angle flange 41. Further preferred are: the main adjustment module base 31 and the angle flange 41 are fixed by screw connection, and in this embodiment, the base screw hole 33 of the main adjustment module base 31 and the angle flange counterbore 44 of the angle flange 41 are fixed by 4 sets of stainless steel screws. The main adjustment module base 31 has a main adjustment module base circular hole 32 coaxially arranged with the angle flange circular hole 45, and the end of the support rod 21 is simultaneously in running fit with the main adjustment module base circular hole 32. For convenient running fit, the end of the supporting rod 21 may be additionally provided with a cylindrical structure, and four corresponding corners on the section of the supporting rod may be provided with arc chamfers in a common circle. In this embodiment, the main adjustment module base circular hole 32 and the angle flange circular hole 45 have the same size, and the inner circular surfaces of both are circumscribed circles of the outer circumferential surface of the support rod 21. Similarly, the inner circumferential surface of the circular hole 82 from the adjustment module base is also a circumscribed circle of the outer circumferential surface of the support rod 21.

The first connecting through hole 22 can be a circular hole, the second connecting through hole 23 can be a common circular hole, the second connecting through hole 23 is preferably a gourd-shaped through hole for convenient assembly, the gourd-shaped through hole is formed by intersecting a big round hole and a small round hole, the width dimension of the intersecting part is matched with the external diameter of the threaded rod part of the second connecting screw, and the diameter of the big round hole is matched with the external diameter of the head part of the second connecting screw. During assembly, the second connecting screw and the L plate 26 can be connected in advance, then the head of the second connecting screw passes through the large round hole, then the threaded rod part of the second connecting screw is translated into the small round hole, and finally the second connecting screw is rotated and screwed. Stainless steel screws are also preferred for the second attachment screws.

In order to make the structure simple and reliable, the support frame 1 comprises two I-shaped supports which are oppositely arranged, wherein each I-shaped support comprises a top cross rod, a vertical rod and a bottom cross rod which are fixedly connected into a whole, and the bottom cross rods of the two I-shaped supports are fixedly connected through a horizontal cross rod; the main adjusting module base 31 is fixedly connected with the top cross bar of the supporting frame 1 through a base bottom plate 34 (generally fixedly connected by bolts); the slave module base 81 is fixedly connected (typically by bolting) with the top rail of the support frame 1 via its bottom plate. The top cross bar, the vertical bar, the bottom cross bar and the horizontal cross bar can be various steel sections, the connection between the sections can be welded, and the connection can also be realized by adopting L-shaped corner fittings to be matched with screws, and L-shaped corner fittings are adopted in the embodiment. The bottom, the left side face and the right side face of the support frame 1 are all I-shaped, and the whole frame is stable in structure and does not influence the taking and placing test assembly 5.

In specific implementation, the adhesive tape holding power test device further comprises a plurality of groups of test assemblies 5. The test assembly 5 may be implemented with reference to the prior art. Preferably, each set of test components 5 comprises a connecting plate 91, an adhesive tape 92, a weight hanging member 93 and weights 94, one end of the connecting plate 91 is provided with a connecting through hole matched with the connecting screw 24, the other end of the connecting plate 91 and one end of the adhesive tape 92 are fixedly bonded, one end of the adhesive tape 92, which is far away from the connecting plate 91, is fixedly bonded on the outer surface of the weight hanging member 93, and one end of the weight hanging member 93, which is far away from the adhesive tape 92, is provided with a connecting through hole for hanging the weights 94. The connection plate 91 is preferably made of SUS304 stainless steel. In implementation, the connecting plate 91, the adhesive tape 92 and the weight hanging member 93 can be integrated, then the connecting through hole of the connecting plate 91 is hung on the connecting screw 24, fastening is completed by the butterfly nut 25, and finally the weight 94 is hung on the connecting through hole of the weight hanging member 93, so that the test assembly 5 is manufactured and installed.

It can be understood that a plurality of groups of support rod assemblies 2, a master adjusting module 3 and a slave adjusting module 4 can be simultaneously arranged on the support frame 1; each set of support bar assemblies 2 may simultaneously arrange multiple sets of test assemblies 5. In the embodiment, two groups of support rod assemblies 2, a master adjusting module 3 and a slave adjusting module 4 are simultaneously arranged on the support frame 1; each set of support bar assemblies 2 may be simultaneously provided with 9 sets of test assemblies 5, totaling 18 test assembly stations. On the premise that the space of the environmental test box can be accommodated, the number of stations of the test assembly can be arbitrarily expanded.

Claims

1. The utility model provides a sticky tape holds adhesion test device, includes support frame (1), and support frame (1) top is provided with bracing piece subassembly (2), and bracing piece subassembly (2) are including bracing piece (21) that are the level setting, its characterized in that: the top of the supporting frame (1) is provided with a main adjusting module (3) and a secondary adjusting module (4) which are oppositely arranged, the main adjusting module (3) comprises a main adjusting module base (31) fixedly arranged at the top of the supporting frame (1), the secondary adjusting module (4) comprises a secondary adjusting module base (81) fixedly arranged at the top of the supporting frame (1), one end of a supporting rod (21) is rotationally connected with the secondary adjusting module base (81), the other end of the supporting rod is rotationally connected with the main adjusting module base (31), a rotary angle adjusting locking device is arranged between the main adjusting module base (31) and the supporting rod (21), the rotary angle adjusting locking device comprises a main adjusting module fixing flange (51), an angle flange plate (41) and a lock pin connecting assembly (61), one part of the main adjusting module fixing flange (51) and the angle flange plate (41) is fixedly connected with one end of the supporting rod (21), the other part of the main adjusting module fixing flange plate is fixedly connected with one end of the main adjusting module base (31), a plurality of connecting slots (42) are circumferentially arranged at intervals, the main adjusting module fixing flange (51) is provided with a plurality of connecting slots (52) which are detachably connected with one end of the lock pin connecting assembly (52) at the position of the connecting slots (42), the lock pin connecting assembly (61) can be separated from the connecting notch (42); the supporting rod (21) is provided with a connecting screw rod (24) for hanging and fixing the test assembly (5).

2. The adhesive tape holding power test device according to claim 1, wherein: when the lock pin connecting assembly (61) is connected with one of the connecting slots (42), the connecting screw (24) can be placed in a horizontal arrangement.

3. The adhesive tape holding power test device according to claim 1, wherein: the lock pin connecting assembly (61) comprises a rotating module (64), a handle screw (62) and a rotating shaft (63), one end of the rotating module (64) is rotatably arranged in the lock pin mounting groove (52) through the rotating shaft (63), the axis of the rotating shaft (63) is perpendicular to the axis of the supporting rod (21), a groove opening screw hole (43) with the axis arranged along the radial direction of the angle flange plate (41) is formed in the groove bottom of the connecting groove opening (42), the rotating module (64) is provided with the handle screw hole matched with the handle screw (62), and the rotating module (64) is fixedly connected with the angle flange plate (41) through the handle screw (62), the handle screw hole and the groove opening screw hole (43).

4. The adhesive tape holding power test device according to claim 1, wherein: the support rod (21) is a rectangular pipe, the rectangular pipe is provided with a first connecting through hole (22) penetrating through two side walls of the rectangular pipe, the connecting screw rod (24) is a first connecting screw penetrating through the first connecting through hole (22), and the connecting screw rod (24) is provided with a butterfly nut (25).

5. The adhesive tape holding power test device according to claim 4, wherein: the auxiliary adjusting module (4) comprises an auxiliary adjusting module fixing flange (71), one end of a supporting rod (21) is fixedly connected with the auxiliary adjusting module fixing flange (71) through an L plate (26) matched with a second connecting screw, the other end of the supporting rod (21) is fixedly connected with a main adjusting module fixing flange (51) through the L plate (26) matched with the second connecting screw, screw matching holes matched with the second connecting screw are formed in two ends of the L plate (26), second connecting through holes (23) matched with the second connecting screw are formed in two ends of the supporting rod (21), an auxiliary adjusting module supporting rod fixing screw hole (73) matched with the second connecting screw is formed in the auxiliary adjusting module fixing flange (71), and a main adjusting module supporting rod fixing screw hole (55) matched with the second connecting screw is formed in the main adjusting module fixing flange (51); the secondary adjusting module fixing flange (71) is provided with a secondary adjusting module fixing flange rectangular through hole (72) which is matched with the section outline specification of the supporting rod (21), the end part of the supporting rod (21) passes through the secondary adjusting module fixing flange rectangular through hole (72) and then forms a running fit with a secondary adjusting module base round hole (82) on the secondary adjusting module base (81), the primary adjusting module fixing flange (51) is provided with a primary adjusting module fixing flange rectangular through hole (54) which is matched with the section outline specification of the supporting rod (21), and the end part of the supporting rod (21) passes through the primary adjusting module fixing flange rectangular through hole (54) and forms a running fit with an angle flange round hole (45) on the angle flange plate (41).

6. The adhesive tape holding power test device according to claim 5, wherein: the main adjusting module base (31) and the angle flange plate (41) are fixedly connected through screws, the main adjusting module base (31) is provided with a main adjusting module base round hole (32) which is coaxially arranged with the angle flange round hole (45), and the end part of the supporting rod (21) is in running fit with the main adjusting module base round hole (32) at the same time.

7. The adhesive tape holding power test device according to claim 5, wherein: the second connecting through hole (23) is a gourd-shaped through hole, the gourd-shaped through hole is formed by intersecting a large round hole and a small round hole, the width dimension of the intersecting part is matched with the outer diameter of the threaded rod part of the second connecting screw, and the diameter of the large round hole is matched with the outer diameter of the head part of the second connecting screw.

8. The adhesive tape holding power test device according to claim 1, wherein: the support frame (1) comprises two I-shaped supports which are oppositely arranged, wherein each I-shaped support comprises a top cross rod, a vertical rod and a bottom cross rod which are fixedly connected into a whole, and the bottom cross rods of the two I-shaped supports are fixedly connected through a horizontal cross rod; the main adjusting module base (31) is fixedly connected with the top cross bar of the supporting frame (1) through a base bottom plate (34); the slave adjusting module base (81) is fixedly connected with the top cross rod of the support frame (1) through the bottom plate thereof.

9. The adhesive tape holding power test device according to any one of claims 1 to 8, wherein: this sticky tape holds adhesion test device still includes a plurality of experimental subassembly (5), every experimental subassembly (5) of group includes connecting plate (91), sticky tape (92), weight pendant (93) and weight (94), the one end of connecting plate (91) has the connecting hole with connecting screw rod (24) looks adaptation, the other end of connecting plate (91) and the one end bonding of sticky tape (92) are fixed, the one end bonding that sticky tape (92) was kept away from connecting plate (91) is fixed in the surface of weight pendant (93), the one end that sticky tape (92) was kept away from to weight pendant (93) has the connecting hole that is used for hanging weight (94).