A structural strength detection device for building materials

Abstract

The present invention relates to the technical field of detection devices, and particularly relates to a structural strength detection device for building materials, which comprises a bracket, a clamping frame, an adjustment assembly and an extrusion module. The workpiece to be detected is clamped by two clamping frames. Under the action of the two clamping frames, the workpiece to be detected is parallel to the fixed platform. First, a first extrusion member is used to extrude the workpiece between the two clamping frames. When the first extrusion member extrudes the workpiece, the clamping frame rotates on the bracket, and the workpiece moves on the clamping frame. After the first extrusion member completely extrudes and breaks the workpiece, under the combined action of the first reset member and the second reset member, the workpiece is restored to its initial state. Subsequently, a second extrusion member is used to extrude the workpiece in the clamping frame again, thereby realizing three detections of the workpiece, reducing the disassembly of the workpiece at the same time, improving the detection efficiency, and further improving the detection accuracy of the workpiece.

Description

Technical Field

[0001] The present invention relates to the technical field of detection devices, and particularly to a structural strength detection device for building materials. Background Art

[0002] In the test of the mechanical properties of materials, the flexural strength refers to the maximum bending moment or bending stress that a material can withstand before fracture under static or dynamic bending conditions.

[0003] In the prior art, a Chinese invention patent with the authorization announcement number CN115308047B discloses a plastic plate bending detection device and its method, which solves the problem that the clamping device causes deformation at both ends of the detected part and affects the accuracy. However, in the prior art, usually only one bending detection experiment is carried out. One bending detection experiment may have data contingency, thus affecting the detection accuracy. If multiple detections are carried out, it is necessary to perform cumbersome operations such as repeated disassembly, clamping, and position adjustment, thereby affecting the detection efficiency. Summary of the Invention

[0004] The present invention provides a structural strength detection device for building materials to solve the problem of low detection accuracy of the existing detection device for workpieces.

[0005] The structural strength detection device for building materials of the present invention adopts the following technical solutions:

[0006] A structural strength detection device for building materials includes a bracket, a clamping frame, an adjustment assembly, and an extrusion module.

[0007] The bracket has a fixed platform; there are two clamping frames, and each clamping frame can rotate on the bracket. The two clamping frames can clamp the workpiece parallel to the fixed platform, and the workpiece can move relative to the clamping frame. A first reset member is provided between each clamping frame and the bracket, and the first reset member is used to drive the clamping frame to return to its initial position when the clamping frame rotates relative to the bracket; a second reset member is provided on each clamping frame, and the second reset member is used to drive the workpiece to return to its initial position when the workpiece moves relative to the clamping frame; the extrusion module includes a first extrusion member and a second extrusion member. The first extrusion member is used to extrude the workpiece between the two clamping frames; the second extrusion member is used to extrude the workpiece inside the clamping frame after the first extrusion member finishes extruding the workpiece and after the workpiece returns to its initial position.

[0008] Further, two clamping roller groups are arranged inside the clamping frame, the two clamping roller groups are arranged at intervals, and both clamping roller groups can clamp the workpiece, and the workpiece can move relative to the two clamping roller groups.

[0009] Further, the clamping roller set includes a first roller and a second roller. The first roller and the second roller are vertically spaced apart. Both the first roller and the second roller are rotatably arranged on the clamping frame. The first roller can slide on the clamping frame. The first roller is arranged above the second roller and can approach or move away from the second roller.

[0010] Further, the second reset member includes a second guide ring, a plurality of second springs and a plurality of second sliding plates; a second rotating shaft is arranged on the second roller, and the second rotating shaft is rotatably connected to the clamping frame; the plurality of second sliding plates are slidably arranged along the second guide ring, each second spring is arranged between two adjacent second sliding plates, and one second sliding plate at the edge is fixedly connected to the clamping frame; a second driving ball and a plurality of second elastic balls are arranged on the second guide ring, one second elastic ball is arranged on one side of each second sliding plate in the middle, each second elastic ball can be deformed and can pass through the gap between the second sliding plate and the second guide ring; the second driving ball is fixedly arranged on the second guide ring, and the rotation of the second rotating shaft can sequentially squeeze the second springs.

[0011] Further, a second control plate is arranged on the clamping frame. The second control plate can move along the axial direction of the second rotating shaft. A plurality of second limiting plates are arranged on the second control plate. Each second limiting plate can prevent one second sliding plate from resetting after moving on the second guide ring, and each second limiting plate can sequentially release the movement of the second sliding plate on the second guide ring.

[0012] Further, the first reset member includes a first guide ring, a plurality of first springs and a plurality of first sliding plates; a first rotating shaft is arranged on the clamping frame, and the first rotating shaft is rotatably connected to the bracket; the first guide ring is coaxially and fixedly connected to the first rotating shaft, the plurality of first sliding plates are slidably arranged along the first guide ring, each first spring is arranged between two adjacent first sliding plates, and one first sliding plate at the edge is fixedly connected to the bracket; a first driving ball and a plurality of first elastic balls are arranged on the first guide ring, one first elastic ball is arranged on one side of each first sliding plate in the middle, each first elastic ball can be deformed and can pass through the gap between the first sliding plate and the first guide ring; the first driving ball is fixedly arranged on the first guide ring, and the rotation of the first rotating shaft can sequentially squeeze the first springs.

[0013] Further, a first control plate is arranged on the bracket. The first control plate can move along the axial direction of the first rotating shaft. A plurality of first limiting plates are arranged on the first control plate. Each first limiting plate can prevent one second sliding plate from resetting after moving on the second guide ring.

[0014] Further, the first pressing member includes a first pressing block and a first driving member. The first driving member is fixedly arranged on the bracket. The first pressing block is connected to the first driving member, and the first driving member can drive the first pressing block to press the workpiece.

[0015] Further, the second pressing member includes a second pressing block and a second driving member. The second driving member is fixedly arranged on the bracket, the second pressing block is arranged in the clamping frame, the second pressing block is connected with the second driving member, and the second driving member can drive the second pressing block to press the workpiece between the first roller and the second roller.

[0016] Further, an adjusting cylinder is arranged on the clamping frame, and the adjusting cylinder is used to adjust the first roller away from the second roller when the second driving member is started.

[0017] The beneficial effects of the present invention are as follows: A structural strength detection device for building materials of the present invention includes a bracket, a clamping frame, an adjusting assembly and a pressing module. When detecting the structural strength of the workpiece to be detected, the workpiece to be detected is clamped by two clamping frames. Under the action of the two clamping frames, the workpiece to be detected is parallel to the fixed platform. First, the first pressing member is used to press the workpiece between the two clamping frames. When the first pressing member presses the workpiece, the clamping frame rotates on the bracket, and the workpiece moves on the clamping frame. After the first pressing member completely presses and breaks the workpiece, under the combined action of the first resetting member and the second resetting member, the workpiece is restored to the initial state. Subsequently, the second pressing member is used to press the workpiece in the clamping frame again, so as to realize three detections of the workpiece, reduce the disassembly of the workpiece at the same time, improve the detection efficiency, and further improve the detection accuracy of the workpiece. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0019] Figure 1 It is a schematic structural diagram of a structural strength detection device for building materials provided by an embodiment of the present invention;

[0020] Figure 2 It is a cross-sectional view of a structural strength detection device for building materials provided by an embodiment of the present invention;

[0021] Figure 3 is Figure 2 a partial enlarged view of part A in

[0022] Figure 4 It is a schematic structural diagram of a clamping frame in a structural strength detection device for building materials provided by an embodiment of the present invention;

[0023] Figure 5Explosion diagram of the internal structure of a clamping frame in a structural strength detection device for a building material provided by an embodiment of the present invention;

[0024] Figure 6 Front view of a clamping frame in a structural strength detection device for a building material provided by an embodiment of the present invention;

[0025] Figure 7 For Figure 6 Cross-sectional view in the B-B direction in;

[0026] Figure 8 For Figure 7 Partial enlarged view at D in;

[0027] Figure 9 For Figure 6 Cross-sectional view in the C-C direction in;

[0028] Figure 10 For Figure 9 Partial enlarged view at E in;

[0029] Figure 11 Explosion diagram of structures such as the first rotating shaft, the first guiding ring, the first spring, and the first control plate in a structural strength detection device for a building material provided by an embodiment of the present invention;

[0030] Figure 12 Structural schematic diagram of the second control plate in a structural strength detection device for a building material provided by an embodiment of the present invention.

[0031] In the figure: 110, bracket; 120, clamping frame; 121, placement channel; 130, first roller; 140, second roller; 210, second rotating shaft; 220, second guiding ring; 230, second sliding plate; 240, second spring; 250, second driving ball; 260, second elastic ball; 270, second control plate; 280, second telescopic rod; 290, second limiting plate; 310, first rotating shaft; 320, first guiding ring; 330, first sliding plate; 340, first spring; 350, first driving ball; 360, first elastic ball; 370, first control plate; 380, first telescopic rod; 390, first limiting plate; 410, installation groove; 420, limiting block; 430, limiting groove; 440, driving spring; 450, first extrusion block; 460, second extrusion block; 510, adjustment cylinder; 520, first adjustment rod; 530, second adjustment rod; 540, clamping spring; 550, away spring; 610, adjustment motor; 620, adjustment screw; 630, adjustment frame. Detailed implementation manners

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only a part rather than all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] The serial numbers assigned to the components in this document, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meanings. The terms "connection" and "coupling" used in this application, unless otherwise specified, both include direct and indirect connection (coupling). In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0034] In the present invention, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0035] As Figures 1 to 12 shown, a structural strength detection device for building materials provided by an embodiment of the present invention includes a bracket 110, a clamping frame 120, an adjustment assembly, and an extrusion module.

[0036] The bracket 110 can be placed on the ground, and the bracket 110 has a fixed platform, and the fixed platform is in a horizontal state.

[0037] The clamping frame 120 is in a closed-loop frame structure, that is, there is an object placement channel 121 on the clamping frame 120 that penetrates through the opposite side walls. In this embodiment, the object placement channel 121 is in a horizontal state. There are two clamping frames 120, and the two clamping frames 120 are arranged at intervals, and the object placement channels 121 on the two clamping frames 120 are in the same horizontal plane, and the horizontal plane of the object placement channels 121 on the two clamping frames 120 is parallel to the fixed platform. Each clamping frame 120 can rotate on the bracket 110, and the two clamping frames 120 can clamp the workpiece parallel to the fixed platform, and the workpiece can move relative to the clamping frame 120. When detecting the structural strength of the workpiece between the two clamping frames 120, the clamping frame 120 rotates on the bracket 110, and the workpiece moves relative to the clamping frame 120. A first resetting member is arranged between each clamping frame 120 and the bracket 110, and the first resetting member is used to drive the clamping frame 120 to return to its initial position when the clamping frame 120 rotates relative to the bracket 110; a second resetting member is arranged on each clamping frame 120, and the second resetting member is used to drive the workpiece to return to its initial position when the workpiece moves relative to the clamping frame 120. When the detection of the structural strength of the workpiece between the two clamping frames 120 is completed, the workpiece between the two clamping frames 120 breaks, and under the combined action of the first resetting member and the second resetting member, the clamping frame 120 and the workpiece both return to their initial states.

[0038] The extrusion module includes a first extrusion member and a second extrusion member. The first extrusion member is used to extrude the workpiece between the two clamping frames 120. When the workpiece between the two clamping frames 120 is extruded and the workpiece breaks, the first extrusion member can detect the structural strength of the workpiece. The second extrusion member is used to extrude the workpiece inside the clamping frame 120 after the first extrusion member finishes extruding the workpiece and after the workpiece returns to its initial position. The second extrusion member detects the workpiece at different positions to ensure that the workpiece is detected multiple times at different positions, thereby improving the accuracy of the detection of the structural strength of the workpiece.

[0039] For a structural strength detection device for a building material of the present invention, when detecting the structural strength of a building material, the workpiece to be detected is clamped by two clamping frames 120. Under the action of the two clamping frames 120, the workpiece to be detected is parallel to the fixed platform. First, the first extrusion member is used to extrude the workpiece between the two clamping frames 120. When the first extrusion member extrudes the workpiece, the clamping frame 120 rotates on the bracket 110, and the workpiece moves on the clamping frame 120. After the first extrusion member completely extrudes and breaks the workpiece, under the combined action of the first resetting member and the second resetting member, the workpiece is restored to its initial state. Subsequently, the second extrusion member is used to extrude the workpiece inside the clamping frame 120 again, thereby realizing three detections of the workpiece, reducing the disassembly of the workpiece at the same time, improving the detection efficiency, and further improving the detection accuracy of the workpiece.

[0040] In one embodiment, two clamping roller groups are arranged inside the clamping frame 120. The two clamping roller groups are arranged at intervals, and both clamping roller groups can clamp the workpiece. The workpiece can move relative to the two clamping roller groups. By arranging two clamping roller groups in one clamping frame 120, it is ensured that the workpiece is clamped parallel to the fixed platform, thereby providing conditions for the first pressing member to press the workpiece.

[0041] In one embodiment, the clamping roller group includes a first roller 130 and a second roller 140. The first roller 130 and the second roller 140 are vertically arranged at intervals. Both the first roller 130 and the second roller 140 are rotatably arranged on the clamping frame 120. The first roller 130 can slide on the clamping frame 120. The first roller 130 is arranged above the second roller 140, and the first roller 130 can approach or move away from the second roller 140. When the first pressing member presses the workpiece, the first roller 130 and the second roller 140 are in a state of clamping and pressing the workpiece. When the second pressing member presses the workpiece, the first roller 130 and the second roller 140 are in a state of not pressing the workpiece. When the first pressing member presses the workpiece, the first roller 130 and the second roller 140 rotate synchronously. When the pressing of the workpiece by the first pressing member is completed, under the action of the second resetting member, the first roller 130 and the second roller 140 rotate synchronously in the opposite direction, and then the workpiece is driven to reset to the initial state.

[0042] In one embodiment, the second reset member includes a second guide ring 220, a plurality of second springs 240, and a plurality of second sliding plates 230; a second rotating shaft 210 is provided on the second roller 140, and the second rotating shaft 210 is coaxially and fixedly connected to the second roller 140, and the second rotating shaft 210 is rotatably connected to the clamping frame 120. The second guide ring 220 is coaxially and fixedly connected to the second rotating shaft 210, and the plurality of second sliding plates 230 are slidably arranged along the second guide ring 220, and adjacent two second sliding plates 230 are arranged at intervals, and each second spring 240 is arranged between adjacent two second sliding plates 230. There are always two second sliding plates 230 at the edge among the plurality of second sliding plates 230 on the second guide ring 220, and one of the second sliding plates 230 at the edge is fixedly connected to the clamping frame 120, and the other second sliding plate 230 at the edge abuts against the clamping frame 120. A second driving ball 250 and a plurality of second elastic balls 260 are arranged on the second guide ring 220, and a second elastic ball 260 is arranged on one side of each second sliding plate 230 in the middle, and each second elastic ball 260 can deform, and when the second elastic ball 260 deforms, it can pass through the gap between the second sliding plate 230 and the second guide ring 220. The second driving ball 250 is fixedly arranged on the second guide ring 220, and the rotation of the second rotating shaft 210 can squeeze the second springs 240 one by one. Specifically, when the second rotating shaft 210 rotates, the second guide ring 220 on the second rotating shaft 210 rotates synchronously, and the second driving ball 250 on the second guide ring 220 squeezes one of the second sliding plates 230 at the edge, and the second sliding plate 230 slides along the second guide ring 220. According to the arrangement of the second sliding plates 230, the plurality of second springs 240 are squeezed and deformed one by one, so that the plurality of second springs 240 start to store energy one by one, and the energy of the deformation of the second springs 240 can drive the second rotating shaft 210 to reset.

[0043] In one embodiment, a second control board 270 is provided on the clamping frame 120. The second control board 270 is coaxially arranged with the second rotating shaft 210, and the second control board 270 can move along the axial direction of the second rotating shaft 210, that is, the second control board 270 can approach the second guiding ring 220. In this embodiment, a second telescopic rod 280 is fixedly arranged on the clamping frame 120. The second telescopic rod 280 is fixedly connected to the second control board 270, and the second telescopic rod 280 can drive the second control board 270 to approach or move away from the second guiding ring 220. In the initial state, the second telescopic rod 280 is in the shortest state, that is, the second control board 270 is in the state closest to the second guiding ring 220. When the second control board 270 is squeezed, the second control board 270 can move away from the second guiding ring 220. A plurality of second limiting plates 290 are arranged on the second control board 270, and each second limiting plate 290 can prevent a second sliding plate 230 from resetting after moving on the second guiding ring 220. In a specific setting, one side wall of the second limiting plate 290 is set as an inclined surface. During the process of the second spring 240 being squeezed, the sliding of the second sliding plate 230 along the second guiding ring 220 can squeeze the second limiting plate 290, so that the second limiting plate 290 does not prevent the second sliding plate 230 from sliding along the guiding ring. Correspondingly, when the second sliding plate 230 resets, the second limiting plate 290 can directly prevent the second sliding plate 230 from sliding along the second guiding ring 220. At this time, the second telescopic rod 280 is controlled to extend, so that the second control board 270 moves away from the second guiding ring 220, thereby removing the obstruction of the second limiting plate 290 to the second sliding plate 230. Each second limiting plate 290 can successively release the movement of the second sliding plate 230 on the second guiding ring 220. In a specific setting, it is set that the lengths of the second limiting plates 290 increase in sequence. Then, during the process of driving the second telescopic rod 280 to extend, the second limiting plates 290 successively release the restriction on the second sliding plate 230, ensuring that the second spring 240 can release force one by one.

[0044] In one embodiment, the first reset member includes a first guide ring 320, a plurality of first springs 340, and a plurality of first sliding plates 330. A first rotating shaft 310 is provided on the clamping frame 120. The first rotating shaft 310 is fixedly connected to the clamping frame 120, and the first rotating shaft 310 is rotatably connected to the bracket 110. The first guide ring 320 is coaxially and fixedly connected to the first rotating shaft 310. The plurality of first sliding plates 330 are slidably arranged along the first guide ring 320. Adjacent first sliding plates 330 are spaced apart. Each first spring 340 is arranged between adjacent first sliding plates 330. There are always two first sliding plates 330 at the edges among the plurality of first sliding plates 330 on the first guide ring 320. One of the first sliding plates 330 at the edge is fixedly connected to the bracket 110, and the other first sliding plate 330 at the edge abuts against the bracket 110. A first driving ball 350 and a plurality of first elastic balls 360 are provided on the first guide ring 320. One first elastic ball 360 is arranged on one side of each first sliding plate 330 in the middle. Each first elastic ball 360 can deform and can pass through the gap between the first sliding plate 330 and the first guide ring 320 when deforming. The first driving ball 350 is fixedly arranged on the first guide ring 320. The rotation of the first rotating shaft 310 can squeeze the first springs 340 one by one. Specifically, when the first rotating shaft 310 rotates, the first guide ring 320 on the first rotating shaft 310 rotates synchronously. The first driving ball 350 on the first guide ring 320 squeezes one of the first sliding plates 330 at the edge. The first sliding plate 330 slides along the first guide ring 320. According to the arrangement of the first sliding plates 330, the plurality of first springs 340 are squeezed one by one and deformed, so that the plurality of first springs 340 start to store energy one by one. The energy of the deformation of the first spring 340 can drive the first rotating shaft 310 to reset.

[0045] In one embodiment, the bracket 110 is provided with a first control plate 370, which is coaxially arranged with the first rotating shaft 310. The first control plate 370 can move along the axis direction of the first rotating shaft 310, that is, the first control plate 370 can approach or move away from the first guide ring 320. In this embodiment, the bracket 110 is fixedly provided with a first telescopic rod 380, which is fixedly connected with the first control plate 370. The first telescopic rod 380 can drive the first control plate 370 to approach or move away from the first guide ring 320. In the initial state, the first telescopic rod 380 is in the shortest state, that is, the first control plate 370 is in the state closest to the first guide ring 320. When the first control plate 370 is squeezed, the first control plate 370 can move away from the first guide ring 320. The first control plate 370 is provided with a plurality of first limiting plates 390, each of which can prevent a second slide plate 230 from resetting after moving on the second guide ring 220. In a specific setting, one side wall of the first limit plate 390 is set as an inclined surface. In the process of the first spring 340 being squeezed, the sliding of the first slide plate 330 along the first guide ring 320 can squeeze the first limit plate 390, so that the first limit plate 390 does not hinder the sliding of the first slide plate 330 along the guide ring. Correspondingly, when the first slide plate 330 is reset, the first limit plate 390 can directly hinder the sliding of the first slide plate 330 along the first guide ring 320. At this time, the first telescopic rod 380 is controlled to extend, so that the first control plate 370 is away from the first guide ring 320, thereby releasing the obstruction of the second limit plate 290 to the second slide plate 230. In a specific setting, the lengths of the second limit plates 290 are set to be the same. Then, in the process of driving the second telescopic rod 280 to extend, multiple second limit plates 290 simultaneously release the restrictions on multiple second slide plates 230, ensuring that multiple second springs 240 can release force at the same time, so that the first rotating shaft 310 can quickly reset and rotate.

[0046] In one embodiment, a mounting groove 410 is provided on the first rotating shaft 310, and the mounting groove 410 is provided along the radial direction of the first rotating shaft 310. A limiting block 420 is provided in the mounting groove 410. A limiting groove 430 is provided on the bracket 110, and the limiting groove 430 is provided along the radial direction of the first rotating shaft 310. One end of the limiting block 420 can enter the limiting groove 430. The end of the limiting block 420 and the edge of the limiting groove 430 are both provided in a smooth shape, that is, when the first rotating shaft 310 rotates, the force of the rotation of the first rotating shaft 310 can drive the limiting block 420 to disengage from the limiting groove 430. In the initial state, the limiting block 420 is in the limiting groove 430. In a further configuration, a driving spring 440 is provided in the mounting groove 410. When the limiting block 420 is squeezed into the limiting groove 430, the driving spring 440 is squeezed and deformed.

[0047] In one embodiment, the first pressing member includes a first pressing block 450 and a first driving member. The first driving member is fixedly arranged on the bracket 110. The first pressing block 450 is connected to the first driving member. The first driving member can drive the first pressing block 450 to press the workpiece. In this embodiment, the first driving member includes a first air cylinder. The first air cylinder is fixedly arranged on the bracket 110. The output shaft of the first air cylinder is fixedly connected to the first pressing block 450. The first air cylinder can push the first pressing block 450 to approach the workpiece.

[0048] In one embodiment, the second pressing member includes a second pressing block 460 and a second driving member. The second driving member is fixedly arranged on the bracket 110. The second pressing block 460 is arranged in the clamping frame 120. The second pressing block 460 is connected to the second driving member. The second driving member can drive the second pressing block 460 to press the workpiece between the first roller 130 and the second roller 140. In a specific arrangement, the second driving member is a second air cylinder. The second air cylinder is fixedly arranged on the bracket 110. The output shaft of the second air cylinder can enter the clamping frame 120. The second pressing block 460 is always arranged in the clamping frame 120. The output shaft of the second air cylinder can enter the clamping frame 120 to press the second pressing block 460.

[0049] In one embodiment, an adjusting cylinder 510 is arranged on the clamping frame 120. The adjusting cylinder 510 is used to adjust the first roller 130 to move away from the second roller 140 when the second driving member is started. In a specific arrangement, there are two adjusting cylinders 510. Both of the two adjusting cylinders 510 are arranged on the clamping frame 120. Each adjusting cylinder 510 is arranged between a second clamping block and a clamping roller set. A liquid guiding channel is arranged inside the adjusting cylinder 510. The liquid guiding channel is arranged in a U shape. A first adjusting rod 520 is arranged on each first roller 130. One end of the first adjusting rod 520 is slidably and sealingly arranged in the liquid guiding channel. A second adjusting rod 530 is arranged on the second pressing block 460. One end of the second adjusting rod 530 is slidably and sealingly arranged in the liquid guiding channel. When the second pressing block 460 presses the workpiece, under the combined action of the first adjusting rod 520 and the second adjusting rod 530, the first roller 130 and the second roller 140 move away from each other.

[0050] In one embodiment, a clamping spring 540 is arranged between the first roller 130 and the clamping frame 120. The clamping spring 540 is used to drive the first roller 130 to approach the second roller 140. A separating spring 550 is arranged between the second pressing block 460 and the clamping frame 120. The separating spring 550 is used to drive the second pressing block 460 to move away from the workpiece.

[0051] In one embodiment, two adjustment frames 630 are provided on the bracket 110, a guide groove is provided on the fixed platform, a guide block is provided on each adjustment frame 630, and the guide block can slide along the guide groove. Each clamping frame 120 is rotatably arranged on an adjustment frame 630. An adjustment motor 610 is provided on the fixed platform, an adjustment screw 620 is provided on the adjustment motor 610, a forward thread and a reverse thread are provided on the adjustment screw 620, the guide block on one adjustment frame 630 meshes with the forward thread on the adjustment screw 620, and the guide block on the other adjustment frame 630 meshes with the reverse thread on the adjustment screw 620. When the adjustment motor 610 is started, the distance between the two adjustment frames 630 can be changed, thereby changing the position where the second pressing block 460 presses the workpiece.

[0052] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A structural strength detection device for building materials, characterized in that Including: A bracket with a fixed platform thereon; Two clamping frames, each clamping frame can rotate on the bracket, the two clamping frames can clamp the workpiece parallel to the fixed platform, and the workpiece can move relative to the clamping frame. A first reset member is provided between each clamping frame and the bracket, and the first reset member is used to drive the clamping frame to return to its initial position when the clamping frame rotates relative to the bracket; A second reset member is provided on each clamping frame, and the second reset member is used to drive the workpiece to return to its initial position when the workpiece moves relative to the clamping frame; An extrusion module, the extrusion module includes a first extrusion member and a second extrusion member, the first extrusion member is used to extrude the workpiece between the two clamping frames; The second extrusion member is used to extrude the workpiece inside the clamping frame after the first extrusion member finishes extruding the workpiece and after the workpiece returns to its initial position.

2. The structural strength detection device for a building material according to claim 1, characterized in that: Two clamping roller groups are arranged inside the clamping frame, the two clamping roller groups are arranged at intervals, and both clamping roller groups can clamp the workpiece, and the workpiece can move relative to the two clamping roller groups.

3. The structural strength detection device for a building material according to claim 2, wherein: The clamping roller group includes a first roller and a second roller, the first roller and the second roller are distributed at intervals up and down, the first roller and the second roller are both rotatably arranged on the clamping frame, the first roller can slide on the clamping frame, the first roller is arranged above the second roller, and the first roller can approach or move away from the second roller.

4. The structural strength detection device for a building material according to claim 3, wherein: The second reset member includes a second guide ring, a plurality of second springs and a plurality of second sliding plates; A second rotating shaft is arranged on the second roller, and the second rotating shaft is rotatably connected to the clamping frame; A plurality of second sliding plates are arranged to slide along the second guide ring, each second spring is arranged between adjacent two second sliding plates, and one of the second sliding plates at the edge is fixedly connected to the clamping frame; A second driving ball and a plurality of second elastic balls are arranged on the second guide ring, one second elastic ball is arranged on one side of each second sliding plate in the middle, each second elastic ball can deform and can pass through the gap between the second sliding plate and the second guide ring; The second driving ball is fixedly arranged on the second guide ring, and the rotation of the second rotating shaft can sequentially squeeze the second springs.

5. The structural strength detection device for a building material according to claim 4, wherein: A second control plate is arranged on the clamping frame, the second control plate can move along the axial direction of the second rotating shaft, a plurality of second limiting plates are arranged on the second control plate, each second limiting plate can prevent one second sliding plate from resetting after moving on the second guide ring, and each second limiting plate can sequentially release the movement of the second sliding plate on the second guide ring.

6. The structural strength detection device for a building material according to claim 1, characterized in that: The first reset member includes a first guide ring, a plurality of first springs and a plurality of first sliding plates; A first rotating shaft is arranged on the clamping frame, and the first rotating shaft is rotatably connected to the bracket; The first guide ring is coaxially fixedly connected to the first rotating shaft, a plurality of first sliding plates are arranged to slide along the first guide ring, each first spring is arranged between adjacent two first sliding plates, and one of the first sliding plates at the edge is fixedly connected to the bracket; A first driving ball and a plurality of first elastic balls are arranged on the first guide ring, one first elastic ball is arranged on one side of each first sliding plate in the middle, each first elastic ball can deform and can pass through the gap between the first sliding plate and the first guide ring; The first driving ball is fixedly arranged on the first guide ring, and the rotation of the first rotating shaft can sequentially squeeze the first springs.

7. The structural strength detection device for a building material according to claim 6, characterized in that: A first control board is arranged on the bracket. The first control board can move along the axial direction of the first rotating shaft. A plurality of first limiting plates are arranged on the first control board, and each first limiting plate can prevent a second sliding plate from resetting after moving on the second guiding ring.

8. The structural strength detection device for a building material according to claim 1, characterized in that: The first pressing member includes a first pressing block and a first driving member. The first driving member is fixedly arranged on the bracket. The first pressing block is connected to the first driving member, and the first driving member can drive the first pressing block to press the workpiece.

9. The structural strength detection device for a building material according to claim 3, characterized in that: The second pressing member includes a second pressing block and a second driving member. The second driving member is fixedly arranged on the bracket. The second pressing block is arranged in the clamping frame. The second pressing block is connected to the second driving member, and the second driving member can drive the second pressing block to press the workpiece between the first roller and the second roller.

10. The structural strength detection device for a building material according to claim 9, characterized in that: An adjusting cylinder is arranged on the clamping frame. The adjusting cylinder is used to adjust the first roller away from the second roller when the second driving member is started.

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