CN215931509U

CN215931509U - Multifunctional tensile test device with protective cover

Info

Publication number: CN215931509U
Application number: CN202121931128.1U
Authority: CN
Inventors: 邢大超; 史雅芯; 郑松刚
Original assignee: Tianjin Zhongke Mast Laser Technology Co ltd
Current assignee: Tianjin Zhongke Mast Laser Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-01
Anticipated expiration: 2031-08-18

Abstract

The utility model relates to a multifunctional tensile test device with a protective cover, which comprises an upper connecting rod, an upper connecting disc, an upper connecting block, an upper pressing block, a lower connecting rod, a lower connecting disc, a lower connecting block and a lower pressing block, wherein the upper connecting rod is mechanically connected with the upper connecting block through the upper connecting disc, the lower connecting rod is mechanically connected with the lower connecting block through the lower connecting disc, and the upper connecting rod and the lower connecting rod are mechanically connected with test equipment; wherein still include: the upper adjusting block is arranged between the upper connecting block and the upper pressing block and is detachably and mechanically connected with the upper connecting block, and the lower adjusting block is arranged between the lower connecting block and the lower pressing block and is detachably and mechanically connected with the lower connecting block; the multifunctional tensile test device is arranged in the transparent protective cover and used for preventing internal objects from splashing and realizing external observation. The utility model has reasonable design, can adapt to tensile, shearing and lateral tension tests at different angles, and has low maintenance cost, convenient adjustment and high safety.

Description

Multifunctional tensile test device with protective cover

Technical Field

The utility model belongs to the technical field of mechanical manufacturing, and relates to a multifunctional tensile test device with a protective cover.

Background

In the field of machine manufacturing, welding, bonding, and mechanical connection are common connection methods, and materials of different types and specifications need to be verified in various connection processes before connection, so as to determine whether the mechanical properties of the connection processes meet the specified technical requirements. After the test piece is connected, the clamp is required to clamp the test piece and subsequent tests such as stretching, shearing and the like are carried out to verify whether the mechanical connection performance meets the specified technical requirements.

In order to solve the problem that can adapt to multiple tests such as tensile simultaneously, cut, the utility model discloses a riveting joint tensile test frock is disclosed in chinese utility model patent specification CN210803120U, the hookup location through adjusting upper and lower circular arc piece realizes the tensile and the shear test of the riveting test block of multiple angle, but still existing in the use after dismouting appear the screw thread dropout easily many times and cause the replacement cost higher, the center of frock is not good and be difficult to adjust with the central overlap ratio of test block, cause the rivet phenomenon such as splash easily in the testing process, thereby the accuracy of experimental effect and the security of frock have been influenced, consequently, need improve in order to solve above-mentioned problem to multi-functional tensile test device.

Disclosure of Invention

The utility model aims to provide a multifunctional tensile test device with a protective cover, which solves the problems that the conventional tensile tool is high in replacement cost due to the fact that threads are easy to trip after being disassembled and assembled for many times, the coincidence degree of the center of the tool and the center of a test piece is not good, the tool is not easy to adjust, rivets are easy to splash in the test process, and the like. The test strip testing device is reasonable in design, can adapt to tensile, shearing and lateral tension tests at different angles, is low in replacement cost, convenient to adjust and high in safety, and meets the test requirements of various test strips of a user.

In order to achieve the above object, an embodiment of the present invention provides a multifunctional tensile test apparatus with a protective cover, including an upper connection rod, an upper connection disc, an upper connection block, an upper pressing block, a lower connection rod, a lower connection disc, a lower connection block, and a lower pressing block, where the upper connection rod is mechanically connected to the upper connection block through the upper connection disc, the lower connection rod is mechanically connected to the lower connection block through the lower connection disc, and the upper connection rod and the lower connection rod are mechanically connected to a test device; different from the prior art, the method further comprises the following steps: the upper adjusting block is arranged between the upper connecting block and the upper pressing block and is detachably and mechanically connected with the upper connecting block, and the lower adjusting block is arranged between the lower connecting block and the lower pressing block and is detachably and mechanically connected with the lower connecting block; the multifunctional tensile test device is arranged in the transparent protective cover and used for preventing internal objects from splashing and realizing external observation.

Further, the shield includes: go up protection casing, lower protection casing, go up the protection casing with the lower protection casing is connected, it opens the door and articulates rather than to be provided with on the protection casing, it opens the door and articulates rather than to be provided with down on the lower protection casing, it is used for stretching out of connecting rod still to be provided with the safety cover trompil on the protection casing to go up, still be provided with stretching out that lower safety cover trompil is used for lower connecting rod on the lower protection casing.

Furthermore, the upper protective cover is also provided with an upper lock catch, an upper convex block is arranged on the upper opening door, and the upper lock catch can be connected with the upper convex block to realize the opening, closing and locking of the upper opening door; the lower protective cover is further provided with a lower lock catch, a lower protruding block is arranged on the lower opening door, and the lower lock catch can be connected with the lower protruding block to realize the opening and closing locking of the lower opening door.

Optionally, an upper adjusting pad is further arranged between the upper connecting block and the upper adjusting block and used for aligning and adjusting the center of the multifunctional tensile testing device and the center of the connection point of the test piece, a lower adjusting pad is further arranged between the lower connecting block and the lower adjusting block and used for aligning and adjusting the center of the multifunctional tensile testing device and the center of the connection point of the test piece, and slot openings are formed in the upper adjusting pad and the lower adjusting pad to facilitate detachment.

Furthermore, the left side and the right side of the upper adjusting block are provided with upper adjusting block protruding parts for preventing the upper adjusting pad from translating, and the left side and the right side of the lower adjusting block are provided with lower adjusting block protruding parts for preventing the lower adjusting pad from translating.

Further, the material of protection casing is organic glass.

The utility model relates to a multifunctional tensile test device with a protective cover, which has the beneficial effects that: the multifunctional tensile test device has the advantages that the problem that the replacement cost is high due to the fact that threads are easy to trip after the existing tool is disassembled and assembled for many times is solved through the upper and lower adjusting blocks with low replacement cost, the situation that the center of the multifunctional tensile test device is overlapped with the center of the test piece can be adjusted through the adjusting pad, the safety problem caused by the fact that rivets and the like are easy to splash in the test process is effectively prevented through the protective cover, the multifunctional tensile test device is reasonable in design, can adapt to tensile, shearing and lateral tensile tests with different angles, is low in replacement cost, convenient to adjust and high in safety, and meets the requirements of various test piece tests of users.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.

Fig. 1 is a three-dimensional structure diagram of a multifunctional tensile testing apparatus with a protective cover according to an embodiment of the present invention;

fig. 2 is a perspective structural view of a protective cover according to an embodiment of the present invention;

FIG. 3 is a partial perspective view of a multifunctional tensile testing apparatus with a protective cover according to an embodiment of the present invention;

fig. 4 is a perspective view of an upper adjustment pad according to an embodiment of the present invention.

In the figure:

11. an upper connecting rod; 12. an upper connecting disc; 13. an upper connecting block; 14. an upper adjusting block; 1401. an upper adjusting block boss; 15. pressing the blocks; 1501. an upper press block boss; 16. an upper adjustment pad; 1601. a slot opening; 21. a lower connecting rod; 22. a lower connecting disc; 23. a lower connecting block; 24. down regulating the whole block; 2401. lower regulating the whole block boss; 25. pressing the block; 26. a lower adjustment pad; 3. a protective cover; 31. an upper protective cover; 32. a lower protective cover; 33. opening the door upwards; 34. downward opening the door; 35. upper bumps, 36, lower bumps; 37. the upper protective cover is provided with a hole; 38. the lower protective cover is provided with a hole; 39. locking a lock catch; 310. a lower lock catch; 4. cross-lapping the test piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

The multifunctional tensile testing apparatus with a protective cover according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a multifunctional tensile testing apparatus with a protective cover according to an embodiment of the present invention; FIG. 2 is a perspective view of a shield according to an embodiment of the present invention; FIG. 3 is a partial perspective view of a multifunctional tensile testing apparatus with a protective cover according to an embodiment of the present invention; FIG. 4 is a perspective view of an upper adjustment pad provided in an embodiment of the present invention; as shown in fig. 1 to 4, the multifunctional tensile testing apparatus with a protective cover according to the embodiment of the present invention is suitable for mechanical tests of cross-lapped test pieces in various directions. The multifunctional tensile test device with the protective cover comprises an upper connecting rod 11, an upper connecting disc 12, an upper connecting block 13, an upper pressing block 15, a lower connecting rod 21, a lower connecting disc 22, a lower connecting block 23 and a lower pressing block 25, wherein the upper connecting rod 11 is mechanically connected with the upper connecting block 13 through the upper connecting disc 12, the lower connecting rod 21 is mechanically connected with the lower connecting block 23 through the lower connecting disc 22, and the upper connecting rod 11 and the lower connecting rod 21 are mechanically connected with test equipment; different from the prior art, the multifunctional tensile test device further comprises: the device comprises an upper adjusting block 14, a lower adjusting block 24 and a protective cover 3, wherein the upper adjusting block 14 is arranged between an upper connecting block 13 and an upper pressing block 15 and is detachably and mechanically connected with the upper adjusting block, the upper adjusting block 14 is generally connected with the upper connecting block 13 through a screw, so that the upper adjusting block 14 can be detached, the upper pressing block 15 is also connected with the upper adjusting block 14 through a screw, a threaded hole is generally arranged on the upper adjusting block 14, and one test piece of the cross-shaped lap joint test piece 4 is placed between the upper pressing block 15 and the upper adjusting block 14 and is fixed through a screw; similarly, the lower adjusting block 24 is disposed between the lower connecting block 23 and the lower pressing block 25 and is detachably mechanically connected to the lower connecting block 24, the lower adjusting block 24 is generally connected to the lower connecting block 23 by screws, so that the lower adjusting block 24 is detachable, the lower pressing block 25 is also connected to the lower adjusting block 24 by screws, a threaded hole is generally disposed on the lower adjusting block 24, and another test piece of the cross-shaped overlapped test piece 4 is placed between the lower pressing block 25 and the lower adjusting block 24 and is fixed by screws. With multi-functional tensile test device setting inside of transparent protection casing 3 be used for preventing that inside object from splashing and realizing outside observation like in the rivet test process, especially to with riveting the test block, probably cause the rivet to splash when the test block receives tensile test fracture occasionally, probably cause personnel's injury, through arranging testing arrangement in protection casing 3, will effectively place the article and splash, here, protection casing 3 constitutes with transparent material, makes things convenient for the particular case of outside operating personnel in the real-time observation test process.

In the multifunctional tensile testing apparatus with a protective cover provided in the embodiment of the present invention, specifically, the protective cover 3 includes: the upper protective cover 31 and the lower protective cover 32 are connected, the upper protective cover 31 and the lower protective cover 32 can be made into an integrated structure, the multifunctional tensile testing device is placed in the protective cover 3 by detaching components in the multifunctional tensile testing device, and the protective cover 3 is designed into a split structure of the upper protective cover 31 and the lower protective cover 32, so that the protective cover 3 can be conveniently mounted and detached without detaching the components in the multifunctional tensile testing device; furthermore, the upper shield 31 is provided with the upper opening door 33 and is hinged with the upper opening door 33 so as to facilitate the opening and closing of the upper opening door 33, the lower shield 32 is provided with the lower opening door 34 and is hinged with the lower opening door 34 so as to facilitate the opening and closing of the lower opening door 34, and the upper opening door 33 and the lower opening door 34 are arranged so as to facilitate the corresponding operation of an operator on the multifunctional tensile test device and facilitate the replacement and clamping of a test piece; the upper protective cover 31 is further provided with an upper protective cover opening 37 for extending the upper connecting rod 11, the lower protective cover 32 is further provided with a lower protective cover opening 38 for extending the lower connecting rod 21, and the outer tension test device is connected through the upper connecting rod 11 and the lower connecting rod 21, so that the protective cover 3 is ensured not to generate position interference on the tension test device.

In the multifunctional tensile test device with the protective cover provided by the embodiment of the utility model, the upper protective cover 31 is further provided with an upper lock catch 39, the upper opening door 33 is provided with an upper convex block 35, and the upper lock catch 39 can be connected with the upper convex block 35 to realize the opening, closing and locking of the upper opening door 33; the lower protective cover 32 is further provided with a lower lock catch 310, the lower opening door 34 is provided with a lower protruding block 36, and the lower lock catch 310 can be connected with the lower protruding block 36 for realizing the opening, closing and locking of the lower opening door 34; here, when the up-down door 33 and the down-down door 34 are closed, the upper protrusion 35 and the lower protrusion 36 are respectively connected to the corresponding latches, the corresponding latches may be clamped on the corresponding protrusions, or a latch structure may also be used, which is not described herein any more, and the connection manner of the upper protrusion 35 and the lower protrusion 36 to the corresponding latches includes, but is not limited to, the above manner, as long as the up-down door 33 and the down-down door 34 can be closed and locked.

In the multifunctional tensile testing device with the protective cover provided by the embodiment of the utility model, an upper adjusting pad 16 is further arranged between the upper connecting block 13 and the upper adjusting block 14 for aligning and adjusting the center of the multifunctional tensile testing device with the center of the connecting point of the test piece, and a lower adjusting pad 26 is further arranged between the lower connecting block 23 and the lower adjusting block 24 for aligning and adjusting the center of the multifunctional tensile testing device with the center of the connecting point of the test piece; because the specifications of the test pieces are different, the thicknesses of the test pieces are sometimes different, in addition, the center of the connecting point is easy to deviate when the test pieces are connected by riveting, welding, bonding and the like, when the test pieces are subjected to a shearing or oblique angle tensile test, the center of the connecting point of the test pieces is easy to be misaligned with the center of the multifunctional tensile test device, and even a relatively large influence is caused on a test result in a serious case, by using the upper adjusting pad 16 between the upper connecting block 13 and the upper adjusting block 14 or using the lower adjusting pad 26 between the lower connecting block 23 and the lower adjusting block 24 to adjust the center position, the using number of the upper adjusting pad 16 and the lower adjusting pad 26 can be one or more, and certainly, if the center of the connecting point of the test pieces can be aligned with the center of the multifunctional tensile test device without using the two adjusting pads, the adjusting pads can be omitted, thereby ensuring the accuracy of the test result.

Further, for the convenience of use and the reduction of disassembly, the upper adjusting pad 16 and the lower adjusting pad 26 are both provided with slot openings 1601 to facilitate disassembly. When the two adjusting pads are used, only the screws on the upper connecting block 13 and the lower connecting block 23 need to be slightly unscrewed, and the inserting groove opening 1601 is directly inserted into a gap between the upper connecting block 13 and the upper adjusting block 14 or between the lower connecting block 23 and the lower adjusting block 24, when the cross-shaped lapping test piece 4 with the same specification is tested for a long time, the disassembly and adjustment of the adjusting pads are reduced, so that the over-rapid abrasion of the upper connecting block 13 and the lower connecting block 23 is avoided, the abrasion of the upper connecting block 13 and the lower connecting block 23 caused by repeated disassembly and assembly can be reduced through the use of the upper adjusting block 14 and the lower adjusting block 24, the threaded holes are respectively arranged on the upper adjusting block 14 and the lower adjusting block 24, the upper connecting block 13 and the lower connecting block 23 are provided with through holes, so that the long-time use of the upper connecting block 13 and the lower connecting block 23 is ensured, and the replacement can be carried out after the abrasion of the upper adjusting block 14 and the lower adjusting block 24, thereby reducing replacement costs compared to the prior art.

In the multifunctional tensile test device with the protective cover provided by the embodiment of the utility model, the left side and the right side of the upper adjusting block 14 are provided with upper adjusting block convex parts 1401 for reducing the lateral stress of the screw and preventing the upper adjusting pad 16 from translating, and the left side and the right side of the lower adjusting block 24 are provided with lower adjusting block convex parts 2401 for reducing the lateral stress of the screw and preventing the lower adjusting pad 26 from translating; in addition, the upper pressing block 15 is also provided with an upper pressing block protruding part 1501 for reducing the lateral stress of the screw and preventing the upper adjusting pad 16 from translating, so that the multifunctional tensile test device with the protective cover keeps the connection reliability when bearing the lateral tensile force, the test piece is prevented from generating lateral displacement in the tensile test process, and meanwhile, the abrasion of the connecting screw is greatly reduced.

In the multifunctional tensile test device with the protective cover, which is provided by the embodiment of the utility model, the protective cover 3 is made of organic glass, and the characteristics of portability, transparency and difficult breakage of the organic glass are mainly utilized, so that the operation personnel can conveniently and safely carry out short-distance observation test process.

Compared with the prior art, the multifunctional tensile test device with the protective cover, which is provided by the utility model, solves the problem that the replacement cost is high because the conventional tool is easy to thread off after being disassembled and assembled for many times through the upper and lower adjusting blocks with low replacement cost after being used for many times, can adjust the coincidence condition of the center of the multifunctional tensile test device and the center of a test piece by using the adjusting pad, and effectively prevents the safety problem caused by the splashing of rivets and the like in the test process by using the protective cover.

The following points need to be explained:

(1) in the embodiments of the present invention and the drawings, the same reference numerals refer to the same meanings unless otherwise defined.

(2) The drawings of the embodiments of the utility model only relate to the structures related to the embodiments of the utility model, and other structures can refer to common designs.

(3) In the drawings, which are used to describe embodiments of the utility model for purposes of clarity, certain features may be exaggerated or minimized in size, i.e., the drawings are not drawn to scale.

(4) Without conflict, embodiments of the present invention and features of the embodiments may be combined with each other to arrive at new embodiments.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A multifunctional tensile test device with a protective cover comprises an upper connecting rod (11), an upper connecting disc (12), an upper connecting block (13), an upper pressing block (15), a lower connecting rod (21), a lower connecting disc (22), a lower connecting block (23) and a lower pressing block (25), wherein the upper connecting rod (11) is mechanically connected with the upper connecting block (13) through the upper connecting disc (12), the lower connecting rod (21) is mechanically connected with the lower connecting block (23) through the lower connecting disc (22), and the upper connecting rod (11) and the lower connecting rod (21) are mechanically connected with test equipment; it is characterized by also comprising: the device comprises an upper adjusting block (14), a lower adjusting block (24) and a protective cover (3), wherein the upper adjusting block (14) is arranged between the upper connecting block (13) and the upper pressing block (15) and is in detachable mechanical connection with the upper adjusting block, and the lower adjusting block (24) is arranged between the lower connecting block (23) and the lower pressing block (25) and is in detachable mechanical connection with the lower adjusting block; the multifunctional tensile test device is arranged in the transparent protective cover (3) and used for preventing internal objects from splashing and realizing external observation.

2. Multifunctional tensile testing device with protective cover according to claim 1, characterized in that said protective cover (3) comprises: go up protection casing (31), lower protection casing (32), go up protection casing (31) with lower protection casing (32) are connected, it opens door (33) and articulates rather than being provided with on protection casing (31) to go up, it opens door (34) and articulates rather than to be provided with down on lower protection casing (32), it still is provided with the stretching out that last protection casing trompil (37) was used for connecting rod (11) on last protection casing (31), still be provided with down on lower protection casing (32) protection casing trompil (38) and be used for stretching out of lower connecting rod (21).

3. The multifunctional tensile testing apparatus with a protective cover according to claim 2,

the upper protective cover (31) is further provided with an upper lock catch (39), an upper protruding block (35) is arranged on the upper opening door (33), and the upper lock catch (39) can be connected with the upper protruding block (35) to realize the opening, closing and locking of the upper opening door (33); the lower protective cover (32) is further provided with a lower lock catch (310), a lower protruding block (36) is arranged on the lower opening door (34), and the lower lock catch (310) can be connected with the lower protruding block (36) to realize the opening and closing locking of the lower opening door (34).

4. The multifunctional tensile testing device with the protective cover according to any one of claims 1 to 3, wherein an upper adjusting pad (16) is further disposed between the upper connecting block (13) and the upper adjusting block (14) for aligning and adjusting the center of the multifunctional tensile testing device with the center of the connection point of the test piece, a lower adjusting pad (26) is further disposed between the lower connecting block (23) and the lower adjusting block (24) for aligning and adjusting the center of the multifunctional tensile testing device with the center of the connection point of the test piece, and slot openings (1601) are disposed on both the upper adjusting pad (16) and the lower adjusting pad (26) to facilitate detachment.

5. The multifunctional tensile testing device with protective cover according to claim 4, wherein the upper adjusting block (14) is provided with upper adjusting block protrusions (1401) at left and right sides for preventing the upper adjusting pad (16) from translating, and the lower adjusting block (24) is provided with lower adjusting block protrusions (2401) at left and right sides for preventing the lower adjusting pad (26) from translating.

6. Multifunctional tensile testing device with protective cover according to claim 1, characterized in that the material of the protective cover (3) is plexiglas.