A sea sand concrete strength testing device

Abstract

The present invention belongs to the technical field of concrete detection, and in particular, relates to a sea sand concrete strength detection device. The sea sand concrete strength detection device of the present invention comprises a base, a support mechanism and a loading mechanism. Two groups of support mechanisms are arranged symmetrically to support concrete test blocks. The loading mechanism applies a load to the concrete test blocks. The support mechanism comprises a rotating frame, a support roller and a locking assembly. Three support rollers are evenly arranged around the rotating frame. The rotating frame can rotate on the base, the support roller can rotate on the rotating frame, the locking assembly can lock the rotating frame, and the support mechanism switches the placement state and the detection state through the rotation of the rotating frame. The sea sand concrete strength detection device of the present invention uses a specially arranged support mechanism to switch between different support postures, which are used for placing and detecting concrete test blocks, respectively, effectively improving the convenience and safety of detection.

Description

Technical Field

[0001] The invention belongs to the technical field of concrete detection, and in particular relates to a sea sand concrete strength detection device. Background Art

[0002] Sea sand concrete refers to concrete formed by mixing sea sand with other building casting materials instead of river sand. Its manufacturing cost is low, but its overall service life is short. In order to ensure that the strength of sea sand concrete meets the requirements, it is necessary to use a concrete strength detection device to test the strength of the prefabricated test block of sea sand concrete. The current concrete strength detection device generally adopts a three-point bending test method or a four-point bending test method. For example, the concrete component flexural and compressive strength determination device disclosed in the Chinese utility model patent with the authorization announcement number CN216978665U includes a platform, a control plate, an anti-flexural clamp, a bracket, a base, a driving member and other structures. When performing the flexural strength test, the concrete component to be tested is placed on the base, and the concrete component is clamped and fixed by the anti-flexural clamp. The driving member drives the base to move up, driving the concrete component to move up, so that the pressure applied by the pressure block above the concrete component to the upper surface of the concrete component gradually increases until the concrete component breaks, thereby completing the flexural strength test of the concrete component. The whole operation process is simple and the test result is relatively accurate.

[0003] However, in the actual concrete component strength test, the concrete component test block required is heavy. To ensure safety, the operation of placing the concrete component test block on the base of the above-mentioned strength measurement device often requires the cooperation of multiple people. In addition, due to the obstruction of other parts of the device, the placement process of the concrete component test block is greatly inconvenient, which reduces the safety of the test and increases the labor intensity of the test personnel, affecting the test efficiency. Summary of the invention

[0004] Based on this, the present application provides a sea sand concrete strength detection device to solve the problem of inconvenient operation of the concrete strength detection device in the prior art.

[0005] The above-mentioned purpose is achieved by the following technical scheme: a sea sand concrete strength detection device, comprising a base, a support mechanism and a loading mechanism, wherein the support mechanism is arranged on the base to support a concrete test block to be detected, and the loading mechanism is used to apply a load to the concrete test block, and the support mechanism is provided with two groups, and the two groups of support mechanisms are arranged symmetrically on the left and right, and the support mechanism comprises a rotating frame, a supporting roller and a locking assembly, the rotating frame can rotate, and the rotating axis of the rotating frame extends horizontally in the front-back direction, and the supporting roller is rotatably assembled on the rotating frame, and the rotating axis of the supporting roller is aligned with the rotating frame The rotation axes are parallel to each other, each group of support mechanisms includes three support rollers, and the three support rollers are evenly arranged around the rotation axis of the rotating frame. The locking assembly can lock the rotating frame to prevent the rotating frame from rotating; the support mechanism has a placement state and a detection state. In the placement state, two support rollers in the same group of support mechanisms are at the top, and one support roller is at the bottom, and the two upper support rollers are at the same horizontal height to place the concrete test block to be tested; in the detection state, one support roller in the same group of support mechanisms is higher than the other two support rollers to support the concrete test block for testing.

[0006] Furthermore, the locking assembly has an unlocking position and a locking position. When the locking assembly is in the unlocking position, the rotating frame and the base are unlocked so that the rotating frame can rotate; when the locking assembly is in the locking position, the rotating frame cooperates with the base to prevent rotation through the locking assembly.

[0007] Furthermore, the support mechanism also includes a driving frame, which is guided and matched with the rotating frame in the front-to-back direction so that the driving frame can be guided and moved along the axial direction of the rotating frame, and the driving frame is prevented from rotating so that the driving frame can drive the rotating frame to rotate synchronously.

[0008] Furthermore, the locking assembly includes a first connecting rod and a first locking block, the first locking block is connected to the driving frame through the first connecting rod, so that the driving frame can drive the first locking block to move, and a locking groove is provided on the base, and the driving frame can drive the first locking block to move into the locking groove during the forward and backward movement to achieve the anti-rotation cooperation between the rotating frame and the base.

[0009] Furthermore, the locking assembly also includes a second connecting rod and a second locking block, and the second locking block is connected to the driving frame through the second connecting rod so that the driving frame can drive the second locking block to move, and the second locking block can lock the support roller during the movement to prevent the support roller from rotating.

[0010] Furthermore, a hand wheel is fixedly provided at the end of the driving frame, and the hand wheel can drive the driving frame to rotate synchronously, thereby driving the rotating frame to rotate.

[0011] Furthermore, the support mechanism also includes a push handle, which is rotationally matched and axially stopped with the drive frames of the two groups of support mechanisms, so that the push handle can simultaneously drive the drive frames of the two groups of support mechanisms to move synchronously in the front-rear direction.

[0012] Furthermore, it also includes a linkage component, through which the two groups of support mechanisms are driven and matched, so that the rotating frames of the two groups of support mechanisms can rotate synchronously in opposite directions.

[0013] Furthermore, the linkage assembly includes two mutually meshing matching gears, and the two matching gears are respectively coaxially fixedly connected to the driving frames of the two groups of supporting mechanisms, so that the driving frames of the two groups of supporting mechanisms rotate in opposite directions.

[0014] Furthermore, the loading mechanism includes a lifting assembly and a pressing head, and the lifting assembly can drive the pressing head to move up and down to apply a load to the concrete test block placed on the supporting mechanism.

[0015] The beneficial effects of the sea sand concrete strength testing device provided by the present invention are: a special setting is made for a supporting mechanism for supporting and placing a concrete test block, three supporting rollers are evenly arranged circumferentially on a rotating frame of the supporting mechanism, and the rotating frame is used to drive the three supporting rollers to rotate to switch between different supporting postures, thereby achieving adaptive support for the concrete test block, facilitating the removal and placement of the concrete test block, and being beneficial to ensuring the safety of the testing test, saving manpower, and effectively improving the testing efficiency.

[0016] Specifically, when the concrete test block needs to be placed, the locking assembly is unlocked, the rotating frame is rotated to put the support mechanism in a placement state, and the two support rollers of each group of support mechanisms are flipped upwards so that the four support rollers together form a horizontal support plane. The locking assembly is then locked, the rotating frame and the base stop rotating, and the support rollers can rotate on their own, making it easy to safely and reliably place the concrete test block to be tested on the support mechanism.

[0017] After the concrete test block is placed, the locking assembly is unlocked, and the rotating frame is rotated to switch the support mechanism to the detection state. Each set of support mechanisms only retains one support roller at the top to support the concrete test block for a three-point or four-point strength test. After fully switching to the detection state, the locking assembly is locked, and the loading mechanism applies a load to the concrete test block to complete the strength test. During the rotation of the rotating frame, the support roller is locked by the locking assembly and cannot rotate by itself, so as to use the friction of the support roller to prevent the concrete test block from sliding and ensure the safety of the operation.

[0018] After the test is completed, the locking assembly is unlocked, the rotating frame is rotated, and the two broken parts of the concrete test block are lifted back to a horizontal state by the flipping action of the two support rollers of each set of support mechanisms, which is convenient for the operator to take out and avoids the squeezing or falling of the other part of the test block when taking out one of the broken test blocks, effectively ensuring the safety of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a sea sand concrete strength detection device according to Embodiment 1 of the present invention;

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the support mechanism of the sea sand concrete strength detection device according to the first embodiment of the present invention;

[0021] Figure 3 This is a three-dimensional structural diagram of the base of the sea sand concrete strength detection device according to the first embodiment of the present invention;

[0022] Figure 4 It is a cross-sectional view of the support mechanism of the sea sand concrete strength detection device according to the first embodiment of the present invention;

[0023] Figure 5 for Figure 4 A magnified view of the structure in the middle A area;

[0024] Figure 6 This is a schematic structural diagram of a driving frame of a sea sand concrete strength detection device according to Embodiment 1 of the present invention;

[0025] Figure 7 This is a schematic structural diagram of a rotating frame of a sea sand concrete strength detection device according to Embodiment 1 of the present invention;

[0026] Figure 8 It is a schematic diagram of the three-dimensional structure of the locking assembly of the sea sand concrete strength detection device according to the first embodiment of the present invention.

[0027] Among them: 100, base; 200, rotating frame; 210, driving frame; 220, matching gear; 230, hand wheel; 240, pushing handle; 250, supporting roller; 260, matching sleeve; 300, first connecting rod; 310, first locking block; 320, second connecting rod; 330, second locking block; 340, locking groove; 350, avoidance groove; 400, lifting assembly; 410, lower pressure head. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0029] The serial numbers of the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the orientation or positional relationship shown in the accompanying drawings, which 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 cannot be understood as a limitation to the present invention.

[0030] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first feature is in direct contact with the second feature, or the first feature and the second feature are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0031] The sea sand concrete strength detection device provided by the present invention is explained below in conjunction with the accompanying drawings and specific embodiments of the specification.

[0032] Embodiment 1 of the sea sand concrete strength detection device of the present invention: Figures 1 to 8 As shown, the sea sand concrete strength testing device mainly includes a base 100, a supporting mechanism, a loading mechanism and a linkage assembly. The supporting mechanism is provided with two groups, and the two groups of supporting mechanisms are symmetrically arranged on the base 100 to support the concrete test blocks to be tested. The loading mechanism is used to apply a load to the concrete test blocks placed on the supporting mechanism to perform concrete strength testing.

[0033] The supporting mechanism mainly includes a driving frame 210, a rotating frame 200, a supporting roller 250, a locking assembly and a pushing handle 240. The rotating frame 200 is rotatably assembled on the base 100, and the rotation axis of the rotating frame 200 extends horizontally in the front-to-back direction. The driving frame 210 cooperates with the rotating frame 200 in the front-to-back direction so that the driving frame 210 can move forward and backward along the outer wall of the rotating frame 200. In addition, the driving frame 210 also cooperates with the rotating frame 200 to stop rotation so that the driving frame 210 can drive the rotating frame 200 to rotate on the base 100. In this embodiment, a hand wheel 230 is fixedly provided at the front end of the driving frame 210, and the operator can drive the driving frame 210 to rotate by turning the hand wheel 230, thereby driving the rotating frame 200 to rotate synchronously.

[0034] The support roller 250 is rotatably mounted on the rotating frame 200 , and the rotation axis of the support roller 250 is parallel to the rotation axis of the rotating frame 200 . Each group of support mechanisms is provided with three support rollers 250 , and the three support rollers 250 are evenly arranged around the rotation axis of the rotating frame 200 .

[0035] The support mechanism has a placement state and a detection state, and the operator can drive the rotating frame 200 to rotate through the driving frame 210 to switch the support mechanism between the placement state and the detection state. In the placement state, among the three support rollers 250 of the same group of support mechanisms, two support rollers 250 are at the top and one support roller 250 is at the bottom, and the two support rollers 250 at the top are at the same horizontal height, so that the four support rollers 250 on the two groups of support mechanisms form a stable and reliable horizontal support surface, which is convenient for placing the concrete test block to be tested.

[0036] In the testing state, among the three support rollers 250 of the same group of support mechanisms, one support roller 250 is higher than the other two support rollers 250, so that each group of support mechanisms only retains one support roller 250 in contact with the concrete test block. One support roller 250 of each group of support mechanisms respectively forms two lower support points of the concrete test block, so as to support the concrete test block for a three-point or four-point strength test.

[0037] The locking assembly has an unlocking position and a locking position. The locking assembly can lock the rotating frame 200 and the supporting roller 250 to prevent the rotating frame 200 and the supporting roller 250 from rotating. When the locking assembly is in the locking position, the rotating frame 200 cooperates with the base 100 to stop rotating through the locking assembly, and the supporting roller 250 can rotate on the rotating frame 200; when the locking assembly is in the unlocking position, the locking assembly locks the supporting roller 250 to prevent the supporting roller 250 from rotating, and the rotating frame 200 and the base 100 are unlocked to allow the rotating frame 200 to rotate.

[0038] The locking assembly includes a first connecting rod 300, a first locking block 310, a second connecting rod 320 and a second locking block 330. One end of the first connecting rod 300 is hinged to the first locking block 310, and the other end is hinged to the driving frame 210, so that the driving frame 210 can drive the first locking block 310 to move. A locking groove 340 is provided on the base 100. The first locking block 310 can move into and out of the locking groove 340 during the movement process to achieve locking and unlocking of the base 100 and the rotating frame 200. One end of the second connecting rod 320 is hinged to the second locking block 330, and the other end is hinged to the driving frame 210, so that the driving frame 210 can drive the second locking block 330 to move, thereby achieving locking and unlocking of the supporting roller 250.

[0039] Specifically, in this embodiment, the locking groove 340 is arranged on the rotational matching surface of the base 100 and the rotating frame 200, and an avoidance groove 350 is also provided on the rotating frame 200 at a position corresponding to the locking groove 340, and the first locking block 310 can move along the radial guide of the rotating frame 200 in the avoidance groove 350. When the driving frame 210 moves forward, the first connecting rod 300 drives the first locking block 310 to move into the locking groove 340, so that the rotating frame 200 and the base 100 are locked. When the driving frame 210 moves backward, the first connecting rod 300 pulls the first locking block 310 out of the locking groove 340, and the first locking block 310 is disengaged from the locking groove 340, so that the rotating frame 200 and the base 100 are unlocked, and at this time, the driving frame 210 can drive the rotating frame 200 to rotate on the base 100.

[0040] In this embodiment, the second locking block 330 cooperates with the guide of the rotating frame 200 so that the second locking block 330 can move along the radial guide of the rotating frame 200. The locking assembly also includes a matching sleeve 260, which is rotatably assembled on the base 100. The matching sleeve 260 is coaxially arranged with the rotating frame 200. The outer ring of the matching sleeve 260 is engaged with the support roller 250 on the rotating frame 200. The inner ring of the matching sleeve 260 can cooperate with the second locking block 330 to prevent the support roller 250 from rotating. When the driving frame 210 moves forward, the second connecting rod 320 drives the second locking block 330 to move toward the rotating frame 200, so that the second locking block 330 is away from the matching sleeve 260, so as to release the locking of the second locking block 330 on the support roller 250. When the driving frame 210 moves backward, the second connecting rod 320 drives the second locking block 330 to move toward the matching sleeve 260, so that the second locking block 330 and the matching sleeve 260 are locked and matched, thereby preventing the support roller 250 from rotating. The guiding match between the first locking block 310 and the rotating frame 200 and the guiding match between the second locking block 330 and the rotating frame 200 can be achieved by matching the guide protrusion with the guide groove.

[0041] Furthermore, the two groups of support mechanisms symmetrically arranged on the base 100 are matched through the transmission of the linkage assembly, and the setting of the linkage assembly can make the rotating frames 200 of the two groups of support mechanisms rotate synchronously in opposite directions. The linkage assembly mainly includes two mutually meshing matching gears 220, and the two matching gears 220 are respectively coaxially fixedly assembled on the driving frame 210, so that the two driving frames 210 rotate in opposite directions, thereby driving the rotating frames 200 of the two groups of support mechanisms to rotate synchronously in opposite directions, thereby ensuring that the forces applied to the concrete test block by the two groups of support mechanisms in the switching state can offset each other, avoiding the concrete test block from being offset due to uneven force, and ensuring the accuracy and safety of the detection.

[0042] In addition, a pushing handle 240 is also provided at the front end of the supporting mechanism, and the pushing handle 240 is respectively cooperated with the driving frames 210 of the two groups of supporting mechanisms in rotation and axial stopping, so that the pushing handle 240 can simultaneously drive the driving frames 210 of the two groups of supporting mechanisms to move synchronously in the front and rear directions, further ensuring that the supporting states of the two groups of supporting mechanisms change synchronously, which is convenient for detecting concrete test blocks.

[0043] Furthermore, the loading mechanism includes a lifting assembly 400 and a pressing head 410. The lifting assembly 400 drives the pressing head 410 to move up and down to apply a load to the concrete test block placed on the supporting mechanism. In this embodiment, the lifting assembly 400 uses a hydraulic cylinder, and the pressing head 410 can be disassembled and replaced to facilitate switching the type of the pressing head 410 to meet different testing requirements.

[0044] Refer to the following Figure 1-Figure 8 As shown, the sea sand concrete strength detection device of the present application is further explained in combination with the specific usage process.

[0045] In the first step, the driving frame 210 is pushed backward by pushing the handle 240 to switch the locking assembly to the unlocking position. At this time, the first locking block 310 disengages from the locking groove 340, releasing the lock on the rotating frame 200, so that the rotating frame 200 can rotate on the base 100, and the second locking block 330 locks the supporting roller 250 by cooperating with the sleeve 260 to prevent the supporting roller 250 from rotating.

[0046] In the second step, the driving frame 210 is rotated by the hand wheel 230 to drive the rotating frame 200 to rotate, so as to adjust the positions of the three supporting rollers 250 on the rotating frame 200, so that the two sets of supporting mechanisms are synchronously switched to the placement state. At this time, the two supporting rollers 250 of each set of supporting mechanisms are turned upward, and the four supporting rollers 250 of the two sets of supporting mechanisms form a horizontal supporting plane for supporting the concrete test block.

[0047] The third step is to push the handle 240 to pull the drive frame 210 forward, so that the locking assembly switches to the locking position, the first locking block 310 moves into the locking groove 340, so that the rotating frame 200 and the base 100 are prevented from rotating, and the second locking block 330 is disengaged from the matching sleeve 260, thereby releasing the lock on the support roller 250 and allowing the support roller 250 to rotate on the rotating frame 200.

[0048] The fourth step is to place the concrete test block on the support plane formed by the four support rollers 250. In this process, the four support rollers 250 can reliably support the concrete test block. One end of the concrete test block can be placed on two support rollers 250 of one set of support mechanisms, and then the concrete test block can be pushed to move horizontally with the help of the rotation of the support rollers 250, so that the concrete test block can be reliably supported by the two sets of support mechanisms. The entire process of placing the concrete test block is not blocked by other structures, the operation is convenient, the labor intensity is low, and the risk of the concrete test block falling during the placement process is effectively reduced, ensuring the safety of the test.

[0049] In the fifth step, the drive frame 210 is pushed backward again to switch the locking assembly to the unlocking position, and then the drive frame 210 is rotated to adjust the positions of the three support rollers 250 on the rotating frame 200, so that the two sets of support mechanisms are synchronously switched to the detection state. In the detection state, each set of support mechanisms only retains one support roller 250 at the top, forming two lower support points of the concrete test block to support the concrete test block for three-point or four-point strength detection test.

[0050] In the sixth step, after the two sets of support mechanisms are completely switched to the detection state, the drive frame 210 is pulled forward to switch the locking assembly to the locking position, lock the rotating frame 200, unlock the support roller 250, and apply load to the concrete test block through the loading mechanism to perform a strength test until the concrete test block breaks and collect experimental data.

[0051] In the seventh step, after the concrete test block is broken, the driving frame 210 is pushed backward to switch the locking assembly to the unlocking position, and then the driving frame 210 is rotated to drive the rotating frame 200 to rotate. The two supporting rollers 250 of the supporting mechanism are used to flip the two broken parts of the concrete test block to a horizontal posture, so that the operator can take out the broken concrete test block and avoid the other part of the broken test block being squeezed or dropped when taking out one part of the broken test block, which may cause injury to the operator. This greatly facilitates the operation and effectively ensures the safety of the operator.

[0052] Of course, the sea sand concrete strength detection device of the present invention is not limited to the above-mentioned embodiments. The following provides several other embodiments that are different from the sea sand concrete strength detection device in the above-mentioned embodiment.

[0053] In other embodiments of the sea sand concrete strength detection device of the present invention, different from the above-mentioned embodiments, the locking assembly can also adopt other structural settings, such as adopting a common pin-hole matching structure, setting a locking pin and a locking hole, so as to achieve locking of the rotating frame and the support roller; or adopting a locking buckle structure, setting a locking protrusion and a locking groove for locking cooperation, so as to achieve locking of the rotating frame and the support roller.

[0054] In other embodiments of the sea sand concrete strength testing device of the present invention, different from the above embodiments, the linkage assembly can also be arranged in other structures to ensure that the rotating frames of the two sets of support mechanisms rotate synchronously in opposite directions. For example, a coupling composed of multiple transmission gears is used; or a rack is arranged between the two sets of support mechanisms, which is meshed with the two rotating frames at the same time, and the two rotating frames are driven to rotate by the up and down movement of the rack.

[0055] In other embodiments of the sea sand concrete strength detection device of the present invention, different from the above-mentioned embodiments, the loading mechanism may also adopt other structures, such as a hydraulic press or electric push rod provided with a mechanical sensor.

[0056] The above-mentioned embodiments only express several specific implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed. To make the content concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described, but this cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for a person of ordinary skill in the art, as long as there is no contradiction in the combination of these technical features without departing from the concept of the present invention, several variations and improvements can be made, and these should be considered to be within the scope of the present specification. Therefore, the scope of protection of the patent of the present invention shall be subject to the attached claims.

Claims

1. A sea sand concrete strength testing device, comprising a base, a supporting mechanism and a loading mechanism, wherein the supporting mechanism is arranged on the base to support a concrete test block to be tested, and the loading mechanism is used to apply a load to the concrete test block, and the supporting mechanism is provided with two groups, and the two groups of supporting mechanisms are arranged symmetrically on the left and right, characterized in that: The support mechanism includes a rotating frame, a support roller and a locking assembly. The rotating frame can rotate on its own. The rotation axis of the rotating frame extends horizontally in the front-rear direction. The support roller is rotatably mounted on the rotating frame. The rotation axis of the support roller is parallel to the rotation axis of the rotating frame. Each group of support mechanisms includes three support rollers. The three support rollers are evenly arranged around the rotation axis of the rotating frame. The locking assembly can lock the rotating frame to prevent the rotating frame from rotating. The support mechanism has a placement state and a detection state. In the placement state, two support rollers in the same group of support mechanisms are at the top, one support roller is at the bottom, and the two support rollers at the top are at the same horizontal height to place the concrete test block to be tested; In the testing state, one support roller in the same group of support mechanisms is higher than the other two support rollers to support the concrete test block for testing; The locking assembly has an unlocking position and a locking position. When the locking assembly is in the unlocking position, the rotating frame is unlocked from the base so that the rotating frame can rotate. When the locking assembly is in the locking position, the rotating frame is locked with the base through the locking assembly. The support mechanism further includes a driving frame, which is guided and matched with the rotating frame in the front-back direction so that the driving frame can be guided and moved along the axis direction of the rotating frame, and the driving frame is locked and matched with the rotating frame so that the driving frame can drive the rotating frame to rotate synchronously; The locking assembly includes a first connecting rod and a first locking block, the first locking block is connected to the driving frame through the first connecting rod, so that the driving frame can drive the first locking block to move, and the base is provided with a locking groove, and the driving frame can drive the first locking block to move into the locking groove during the forward and backward movement, so as to realize the anti-rotation cooperation between the rotating frame and the base; The locking assembly also includes a second connecting rod and a second locking block. The second locking block is connected to the driving frame through the second connecting rod so that the driving frame can drive the second locking block to move. The second locking block can lock the support roller during the movement to prevent the support roller from rotating.

2. The sea sand concrete strength detection device according to claim 1 is characterized in that: A hand wheel is fixedly arranged at the end of the driving frame, and the hand wheel can drive the driving frame to rotate synchronously, thereby driving the rotating frame to rotate.

3. The sea sand concrete strength detection device according to claim 1 is characterized in that: The support mechanism also includes a push handle, which is respectively rotationally matched and axially blocked with the drive frames of the two groups of support mechanisms, so that the push handle can simultaneously drive the drive frames of the two groups of support mechanisms to move synchronously in the front-rear direction.

4. The sea sand concrete strength detection device according to claim 1, characterized in that: It also includes a linkage assembly, through which the two groups of support mechanisms are driven and matched, so that the rotating frames of the two groups of support mechanisms can rotate synchronously in opposite directions.

5. The sea sand concrete strength detection device according to claim 4 is characterized in that: The linkage assembly comprises two mutually meshing matching gears, and the two matching gears are respectively coaxially fixedly connected with the driving frames of the two groups of supporting mechanisms so that the driving frames of the two groups of supporting mechanisms rotate in opposite directions.

6. The sea sand concrete strength detection device according to claim 1, characterized in that: The loading mechanism comprises a lifting assembly and a pressing head, and the lifting assembly can drive the pressing head to move up and down to apply a load to the concrete test block placed on the supporting mechanism.

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