CN216350033U

CN216350033U - Tensile test device for building material detection

Info

Publication number: CN216350033U
Application number: CN202122530103.7U
Authority: CN
Inventors: 胡继晗; 陈玲玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-19
Anticipated expiration: 2031-10-20

Abstract

The application discloses a tensile test device for building material detection, which comprises a test box and a buffer mechanism, wherein a box door is embedded in the front side of the test box, the left side of the box door is rotatably connected with the side wall of the test box, and an observation window is embedded in the center of the box door; buffer gear includes the base, base top left and right sides center punishment do not inlays the recess, two recess inner chamber bottom center department fixed connection montant bottom respectively, two the montant outer wall slides respectively and cup joints U template center department. By starting the double-shaft motor, the double-shaft motor drives the driving shaft to rotate, the driving shaft drives the driving wheel to rotate, the driven wheel meshed with the driving wheel rotates along with the driving wheel, the driven wheel drives the threaded rod to rotate, and the two cavity shafts in threaded fit with the threaded rod respectively drive the arc-shaped fixed plates to move towards directions close to each other under the matching limitation of the sleeve plate and the sliding rod, so that the two arc-shaped fixed plates clamp the bottom end of the building material, and the building material is fixed.

Description

Tensile test device for building material detection

Technical Field

The application relates to the field of building material detection, in particular to a tensile test device for building material detection.

Background

Tensile test refers to a test method for measuring material properties under an axial tensile load. Tensile testing can determine a series of strength and plasticity indicators for the material, such as elastic limit, elongation, elastic modulus, proportional limit, area reduction, tensile strength, yield point, yield strength, and other tensile property indicators. Before the building material is used, all indexes of the building material are detected so as to ensure the quality of engineering.

The existing building material has a tension limit during a tension test, when the building material is broken, the existing building material can vibrate to cause damage of a test box, and meanwhile, the building material cannot be fixed when the tension test is performed. Therefore, a tensile test apparatus for detecting a building material has been proposed to solve the above problems.

Disclosure of Invention

The tension test device for detecting the building materials is provided in the embodiment and used for solving the problem that the test box is easy to vibrate when the building materials are broken in the prior art.

According to one aspect of the application, the tension test device for detecting the building materials comprises a test box and a buffer mechanism, wherein a box door is embedded in the front side of the test box, the left side of the box door is rotatably connected with the side wall of the test box, and an observation window is embedded in the center of the box door;

buffer gear includes the base, base top left and right sides center punishment do not inlays the recess, two recess inner chamber bottom center department is fixed connection montant bottom respectively, two the montant outer wall slides respectively and cup joints U template center department, two U template top is the first spring top of fixed connection brace table bottom left and right sides, two respectively U template bottom is the first spring top of fixed connection, two respectively first spring bottom fixed connection recess inner wall bottom, the left and right sides that the base top is close to center department is the level respectively inlayed the spout, two the spout inner chamber slides respectively and cup joints the slider, two slider top center department is fixed connection arc elastic plate bottom left and right sides respectively, arc elastic plate top center department fixed connection brace table outer wall bottom center department.

Furthermore, one side, far away from each other, of each of the two sliding blocks is fixedly connected with one end of a second spring, the other end of each of the two second springs is fixedly connected with one side, far away from each other, of the inner wall of each of the two sliding grooves, and the two second springs are respectively sleeved in the inner cavity of each sliding groove in a sliding mode.

Further, brace table inner wall center department fixedly cup joints the double-shaft motor, two output of double-shaft motor are fixed connection driving shaft one end respectively, two one side that the driving shaft was kept away from each other rotates respectively and connects brace table inner wall left and right sides center department.

Furthermore, two the driving shaft outer wall is fixed respectively and cup joints the action wheel, two the action wheel top meshes the cooperation respectively from the driving wheel, two from the driving wheel fixed cup joint in threaded rod outer wall one side respectively.

And furthermore, two one ends, which are far away from each other, of the threaded rods are respectively rotated to be connected with one side of the inner wall of the protection cover, two ends, which are close to each other, of the threaded rods are respectively rotated to be connected with and run through the side walls of the left side and the right side of the test box, two ends, which are close to each other, of the threaded rods are respectively in threaded sleeve connection with one end of the inner cavity of the cavity shaft, and two ends, which are close to each other, of the outer wall of the cavity shaft are respectively in central positions of one sides of the outer walls of the arc-shaped fixing plates in fixed connection.

Furthermore, two one ends of the outer wall of the cavity shaft, which are far away from each other, are respectively and fixedly sleeved with sleeve plates, the top ends and the bottom ends of the two sleeve plates are respectively and slidably sleeved on the outer walls of the sliding rods, and the two ends of the sliding rods, which are far away from each other, are respectively and fixedly connected with the left side and the right side of the inner wall of the test box.

Furthermore, a display box is arranged at the top end of the outer wall of the test box, a detector is arranged at the top end of the inner wall of the test box, a hydraulic cylinder is arranged at the bottom end of the detector, and a lifting plate is fixedly connected to the center of the bottom end of the hydraulic cylinder.

Furthermore, the centers of the left side and the right side of the lifting plate are respectively and fixedly connected with one end of a limiting plate, the two limiting plates are respectively sleeved on the outer wall of the L-shaped rod in a sliding mode, and the two L-shaped rods are respectively and fixedly connected to the left side and the right side of the inner wall of the test box.

Further, the lifting plate bottom rear side center department is equipped with first arc splint, the first fixed block of fixed connection respectively in the both sides is controlled to first arc splint outer wall, two first fixed block is respectively the screw thread cup joints in the stop screw rear side, lifting plate bottom front side is equipped with second arc splint, the second fixed block of fixed connection respectively in the both sides is controlled to second arc splint outer wall, two the second fixed block is respectively the screw thread cup joints in the stop screw front side.

Furthermore, the top ends of the two first fixed blocks are respectively connected with the rear side of the bottom end of the lifting plate in a sliding mode, and the top ends of the two second fixed blocks are respectively connected with the front side of the bottom end of the lifting plate in a sliding mode.

Through the above-mentioned embodiment of this application, adopted buffer gear, caused the problem of proof box vibration easily when having solved building material fracture, realized the buffer protection to the proof box.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 according to an embodiment of the present disclosure;

fig. 4 is a top view of a spacing screw connection structure according to an embodiment of the present application.

In the figure: 1. a test chamber; 2. a lifting plate; 3. a display box; 4. a detector; 5. a hydraulic cylinder; 6. an L-shaped rod; 7. a limiting plate; 8. a protective cover; 9. a driven wheel; 10. a driving wheel; 11. a support table; 12. a drive shaft; 13. a first spring; 14. a vertical rod; 15. a groove; 16. a slider; 17. a base; 18. an arc-shaped elastic plate; 19. a second spring; 20. a chute; 21. a U-shaped plate; 22. a double-shaft motor; 23. an arc-shaped fixing plate; 24. a first fixed block; 25. a box door; 26. an observation window; 27. a second fixed block; 28. a limit screw; 29. a first arc splint; 30. a second arc-shaped splint; 31. a slide bar; 32. a cavity shaft; 33. sheathing; 34. a threaded rod.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The damping mechanism in the present embodiment can be applied to various tensile testing apparatuses, for example, the following tensile testing apparatus is provided in the present embodiment, and the damping mechanism in the present embodiment can be used to damp the following tensile testing apparatus.

The tension test device comprises a main body frame, a power cylinder, a positioning device, a first locking piece, a connecting piece, a tension detection piece, a movable plate, a guide pillar, a buffer spring, a limiting disc, a fixed plate, a dust hood, a connecting pipe and a second inverted T-shaped sliding block; the guide post is arranged on the main body frame in a sliding mode and connected with the movable plate, and the buffer spring is sleeved on the guide post and located in the main body frame; the limiting disc is arranged on the guide post and positioned on the periphery of the main body frame; the movable plate is provided with a display, and the tension detection piece is arranged at the bottom of the movable plate and is in signal connection with the display; the connecting piece is arranged on the tension detecting piece, and a second locking piece is arranged on the connecting piece; the power cylinder is arranged on the main body frame, and a telescopic rod on the power cylinder is attached to the movable plate; the positioning device comprises a fixed seat, a first inverted T-shaped sliding block, a movable seat, a locking screw, a fixed part, a pressing block and a nut; the fixing seat is arranged on the main body frame, and a first inverted T-shaped sliding groove is formed in the fixing seat; the first inverted T-shaped sliding block is arranged on the fixed seat in a sliding mode and is connected with the bottom of the movable seat, and a second inverted T-shaped sliding groove is formed in the movable seat; the arrangement direction of the first inverted T-shaped sliding chute is horizontally vertical to that of the second inverted T-shaped sliding chute; the movable seat is provided with a connecting block, and the locking screw is in threaded connection with the connecting block and abuts against the fixed seat; the first locking piece is provided with a fixed table, the fixed piece is arranged on the movable seat in a sliding mode and is positioned in the second inverted T-shaped sliding groove, the pressing block is arranged on the fixed piece in a sliding mode and is attached to the fixed table, and the nut is in threaded connection with the fixed piece and is attached to the pressing block; the fixed plate is arranged on the main body frame, and a suction fan is arranged on the fixed plate; the dust hood is provided with a fixed strip, and the second inverted T-shaped sliding block is arranged on the main body frame in a sliding manner and is connected with the fixed strip; the connecting pipe is arranged on the dust collection cover and is communicated with the air inlet end of the suction fan. In an alternative embodiment, the number of the guide posts is two, so that the stability of the movable plate during movement is improved. In an alternative embodiment, the first locking member and the second locking member are three-jaw chucks. In an alternative embodiment, the number of the power cylinders is two, so that the movable plate is uniformly stressed, and the tensile force is conveniently tested. In an alternative embodiment, the fixing member includes a fixing block and a threaded rod, and the pressing block is slidably connected with the threaded rod. In an alternative embodiment, the first inverted T-shaped chutes on the fixing base are two groups. In an optional embodiment, the second inverted-T-shaped chutes on the movable seat are in multiple groups and are equally distributed on the movable seat. In an alternative embodiment, the connecting block and the locking screw are four groups.

Of course, the present embodiment can also be used for a tensile testing device for buffering other structures. The tensile test of the embodiment of the present application will be described below without further description.

Referring to fig. 1-4, a tensile test device for building material detection includes a test box 1 and a buffer mechanism, wherein a box door 25 is embedded at the front side of the test box 1, the left side of the box door 25 is rotatably connected to the side wall of the test box 1, and an observation window 26 is embedded at the center of the box door 25;

the buffer mechanism comprises a base 17, grooves 15 are respectively embedded in the centers of the left side and the right side of the top end of the base 17, the centers of the bottom ends of the inner cavities of the two grooves 15 are respectively and fixedly connected with the bottom ends of vertical rods 14, the outer walls of the two vertical rods 14 are respectively and slidably sleeved with the center of a U-shaped plate 21, the top ends of the two U-shaped plates 21 are respectively and fixedly connected with the left side and the right side of the bottom end of a supporting table 11, the bottom ends of the two U-shaped plates 21 are respectively and fixedly connected with the top ends of first springs 13, the bottom ends of the two first springs 13 are respectively and fixedly connected with the bottom ends of the inner walls of the grooves 15, the left side and the right side of the top end of the base 17 close to the center are respectively horizontally embedded with a sliding chute 20, the inner cavities of the two sliding chutes 20 are respectively sleeved with a sliding block 16 in a sliding way, the center of the top end of the two sliding blocks 16 is respectively fixedly connected with the left side and the right side of the bottom end of an arc-shaped elastic plate 18, the center of the top end of the arc-shaped elastic plate 18 is fixedly connected with the center of the bottom end of the outer wall of the supporting platform 11.

One side, far away from each other, of each of the two sliders 16 is fixedly connected with one end of a second spring 19, the other end of each of the two second springs 19 is fixedly connected with one side, far away from each other, of the inner wall of each of the two sliding grooves 20, the two second springs 19 are respectively sleeved in the inner cavity of the sliding groove 20 in a sliding manner so as to push the arc-shaped elastic plate 18 to reset, a double-shaft motor 22 is fixedly sleeved at the center of the inner wall of the supporting platform 11, two output ends of the double-shaft motor 22 are respectively and fixedly connected with one end of a driving shaft 12, one sides of the two driving shafts 12 far away from each other are respectively and rotatably connected with the centers of the left side and the right side of the inner wall of the supporting platform 11, the output end of a double-shaft motor 22 drives a driving shaft 12 to rotate, the outer walls of the two driving shafts 12 are respectively fixedly sleeved with a driving wheel 10, the top ends of the two driving wheels 10 are respectively engaged with driven wheels 9, and the two driven wheels 9 are respectively fixedly sleeved on one side of the outer wall of a threaded rod 34. The threaded rods 34 are driven to rotate by the rotation of the driving shaft 12, one ends, far away from each other, of the two threaded rods 34 are respectively and rotatably connected with one side of the inner wall of the protective cover 8, one ends, close to each other, of the two threaded rods 34 are respectively and rotatably connected with and penetrate through the side walls of the left side and the right side of the test box 1, one ends, close to each other, of the two threaded rods 34 are respectively and threadedly sleeved at one end of the inner cavity of the cavity shaft 32, one sides, close to each other, of the outer walls of the two cavity shafts 32 are respectively and fixedly connected with the center of one side of the outer wall of the arc-shaped fixed plate 23, the arc-shaped fixed plate 23 is driven to horizontally move by the rotation of the threaded rods 34, one ends, far away from each other, of the outer walls of the two cavity shafts 32 are respectively and fixedly sleeved with the sleeve plates 33, the top ends and the bottom ends of the sleeve plates 33 are respectively and slidably sleeved on the outer walls of the slide rods 31, one ends, far away from each other, are respectively and fixedly connected with the left side and the right side of the inner wall of the test box 1, so as to limit the rotation of the cavity shafts 32, the stability of the moving process of the arc-shaped fixing plate 23 is improved, the display box 3 is arranged at the top end of the outer wall of the test box 1, the detector 4 is arranged at the top end of the inner wall of the test box 1, the hydraulic cylinder 5 is arranged at the bottom end of the hydraulic cylinder 5, the lifting plate 2 is fixedly connected at the center of the bottom end of the hydraulic cylinder, test data can be observed conveniently, one end of each limiting plate 7 is fixedly connected at the center of the left side and the right side of the lifting plate 2, the two limiting plates 7 are respectively sleeved on the outer wall of the L-shaped rod 6 in a sliding manner, the two L-shaped rods 6 are respectively fixedly connected at the left side and the right side of the inner wall of the test box 1, the stability of the lifting process of the lifting plate 2 is improved, the first arc-shaped clamping plate 29 is arranged at the center of the rear side of the bottom end of the lifting plate 2, the first fixing blocks 24 are respectively fixedly connected at the left side and the right side of the outer wall of the first arc-shaped clamping plate 29, the two first fixing blocks 24 are respectively sleeved at the rear side of the limiting screw rod 28, 2 bottom front sides of lifter plate are equipped with second arc splint 30, the difference fixed connection second fixed block 27 of the second arc splint 30 outer wall left and right sides, two of second fixed block 27 difference screw thread cup joints in stop screw 28 front side, is convenient for press from both sides tight building material, two 24 tops of first fixed block difference sliding connection 2 bottom rear sides of lifter plate, two 27 tops of second fixed block difference sliding connection 2 bottom front sides of lifter plate, the connection of first arc splint 29 and second arc splint 30 of being convenient for.

When the utility model is used, electrical components appearing in the application are externally connected with a power supply and a control switch when in use, the bottom end of a building material is placed at the center position of the top end of a supporting platform 11, the double-shaft motor 22 is started, the double-shaft motor 22 drives the driving shaft 12 to rotate, the driving shaft 12 drives the driving wheel 10 to rotate, the driven wheel 9 meshed and matched with the driving wheel 10 rotates along with the driving wheel, the driven wheel 9 drives the threaded rod 34 to rotate, two cavity shafts 32 in threaded fit with the threaded rod 34 respectively drive the arc-shaped fixing plates 23 to move towards the directions close to each other under the matching limitation of the sleeve plate 33 and the sliding rod 31, so that the two arc-shaped fixing plates 23 clamp the bottom end of the building material to realize the fixation of the building material, and then the two first fixing blocks 24 in threaded fit with the limiting screw rods 28 are mutually limited by rotating the two limiting screw rods 28 and the two second fixing blocks 27 in threaded fit with the limiting screw rods 28 are mutually limited, so that the two first fixing blocks 24 drive the first arc-shaped clamping plates 29 to move, the second fixing blocks 27 drive the second arc-shaped clamping plates 30 to move, thereby fixing the top end of the building material is realized, the hydraulic cylinder 5 is started, the hydraulic cylinder 5 drives the lifting plate 2 to vertically move upwards, then the detector 4 transmits the tension information of the building material under each state, the data is visually observed through the display box 3, the tension detection is completed, when the tension of the building material reaches the limit, the material is pulled and broken, at the moment, the test box 1 vibrates, the test box 1 generates downward stress, the U-shaped plate 21 vertically slides downwards along the vertical rods 14 and presses the first springs 13, the first springs 13 absorb the stress and convert the stress into elastic force release, the arc-shaped elastic plates 18 are extruded to deform, so that the arc-shaped elastic plates 18 push the sliding blocks 16 to slide, the sliding blocks 16 extrude the second springs 19, the second springs 19 absorb the stress and convert into elastic force release, the first spring 13 and the second spring 19 jointly drive the test box 1 to reset so as to realize the buffer protection of the test box 1.

The application has the advantages that:

1. the double-shaft motor is started, the double-shaft motor drives the driving shaft to rotate, the driving shaft drives the driving wheel to rotate, the driven wheel meshed and matched with the driving wheel rotates along with the driving wheel, the driven wheel drives the threaded rod to rotate, and the two cavity shafts in threaded fit with the threaded rod respectively drive the arc-shaped fixed plates to move towards directions close to each other under the matching limit of the sleeve plate and the sliding rod, so that the two arc-shaped fixed plates clamp the bottom end of the building material, and the building material is fixed;

2. the structure of the building material tension detection device is reasonable, the two limiting screws are rotated, the two first fixing blocks in threaded fit with the limiting screws are limited mutually, the two second fixing blocks in threaded fit with the limiting screws are limited mutually, so that the two first fixing blocks drive the first arc-shaped clamping plates to move, the second fixing blocks drive the second arc-shaped clamping plates to move, the top end of the building material is fixed, the hydraulic cylinder drives the lifting plate to vertically move upwards by starting the hydraulic cylinder, the tension information of the building material in each state is transmitted by the detector, and the data are visually observed by the display box to finish tension detection;

3. this application produces decurrent stress through the proof box, and the U template slides and presses first spring along the vertical lapse of montant, and first spring absorbed stress changes the elasticity release into, and the arc elastic plate receives the extrusion to produce deformation, makes the arc elastic plate promote the slider and slides, and slider extrusion second spring, second spring absorbed stress changes the elasticity release into, and first spring and second spring drive the proof box jointly and reset the realization to the buffer protection of proof box.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a tensile test device that building material detected usefulness which characterized in that: the device comprises a test box (1) and a buffer mechanism, wherein a box door (25) is embedded in the front side of the test box (1), the left side of the box door (25) is rotatably connected with the side wall of the test box (1), and an observation window (26) is embedded in the center of the box door (25);

the buffer mechanism comprises a base (17), grooves (15) are respectively embedded in the centers of the left side and the right side of the top end of the base (17), the centers of the bottom ends of the inner cavities of the two grooves (15) are respectively and fixedly connected with the bottom ends of vertical rods (14), the outer walls of the two vertical rods (14) are respectively and slidably sleeved with the centers of U-shaped plates (21), the top ends of the two U-shaped plates (21) are respectively and fixedly connected with the left side and the right side of the bottom end of a supporting table (11), the bottom ends of the two U-shaped plates (21) are respectively and fixedly connected with the top ends of first springs (13), the bottom ends of the two first springs (13) are respectively and fixedly connected with the bottom ends of the inner walls of the grooves (15), sliding grooves (20) are respectively and horizontally embedded in the left side and the right side of the top end of the base (17) close to the centers, sliding grooves (20) are respectively and slidably sleeved with sliding blocks (16), the centers of the top ends of the two sliding blocks (16) are respectively and fixedly connected with the left side and the bottom ends of arc-shaped elastic plates (18), the center of the top end of the arc-shaped elastic plate (18) is fixedly connected with the center of the bottom end of the outer wall of the supporting platform (11).

2. The tension test device for building material detection according to claim 1, wherein: one sides, far away from each other, of the two sliding blocks (16) are fixedly connected with one ends of second springs (19) respectively, the other ends of the two second springs (19) are fixedly connected with one sides, far away from each other, of the inner walls of the two sliding grooves (20) respectively, and the two second springs (19) are sleeved in the inner cavities of the sliding grooves (20) in a sliding mode respectively.

3. The tension test device for building material detection according to claim 1, wherein: brace table (11) inner wall center department fixedly cup joints double-shaft motor (22), two output difference fixed connection driving shaft (12) one end of double-shaft motor (22), two one side that driving shaft (12) kept away from each other rotates respectively and connects brace table (11) inner wall left and right sides center department.

4. The tension test device for building material detection according to claim 3, wherein: two driving shaft (12) outer wall is fixed respectively and cup joints driving wheel (10), two driving wheel (10) top meshes the cooperation respectively from driving wheel (9), two it connects in threaded rod (34) outer wall one side to fix the cover respectively from driving wheel (9).

5. The tension test device for detecting the building material according to claim 4, wherein: two the one end that threaded rod (34) kept away from each other rotates respectively and connects safety cover (8) inner wall one side, two the one end that threaded rod (34) are close to each other rotates respectively to connect and runs through proof box (1) left and right sides lateral wall, two the one end that threaded rod (34) are close to each other is threaded respectively and cup joints in cavity axle (32) inner chamber one end, two one side difference fixed connection arc-shaped fixing plate (23) outer wall one side center department that cavity axle (32) outer wall is close to each other.

6. The tension test device for detecting the building material according to claim 5, wherein: two one ends of the outer wall of the cavity shaft (32) far away from each other are respectively fixedly sleeved with a sleeve plate (33), the top end and the bottom end of the sleeve plate (33) are respectively sleeved on the outer wall of the sliding rod (31) in a sliding manner, and the two ends of the sliding rod (31) far away from each other are respectively fixedly connected with the left side and the right side of the inner wall of the test box (1).

7. The tension test device for building material detection according to claim 1, wherein: the test box is characterized in that a display box (3) is arranged at the top end of the outer wall of the test box (1), a detector (4) is arranged at the top end of the inner wall of the test box (1), a hydraulic cylinder (5) is arranged at the bottom end of the detector (4), and a lifting plate (2) is fixedly connected to the center of the bottom end of the hydraulic cylinder (5).

8. The tension test device for building material detection according to claim 7, wherein: the center of the left side and the right side of the lifting plate (2) is fixedly connected with one end of a limiting plate (7), the two limiting plates (7) are respectively sleeved on the outer wall of an L-shaped rod (6) in a sliding mode, and the two L-shaped rods (6) are fixedly connected to the left side and the right side of the inner wall of the test box (1) respectively.

9. The tension test device for building material detection according to claim 7, wherein: lifter plate (2) bottom rear side center department is equipped with first arc splint (29), first fixed block (24) of fixed connection respectively, two in the both sides about first arc splint (29) outer wall first fixed block (24) respectively the screw thread cup joints at stop screw (28) rear side, lifter plate (2) bottom front side is equipped with second arc splint (30), second arc splint (30) outer wall left and right sides is fixed connection second fixed block (27), two respectively second fixed block (27) the screw thread cup joints at stop screw (28) front side respectively.

10. The tension test device for building material detection according to claim 9, wherein: the top ends of the two first fixing blocks (24) are respectively connected with the rear side of the bottom end of the lifting plate (2) in a sliding mode, and the top ends of the two second fixing blocks (27) are respectively connected with the front side of the bottom end of the lifting plate (2) in a sliding mode.