Auxiliary structure for detecting compressive strength of concrete mortar test block
By using a steel base and limiting components in concrete compressive strength testing, the problems of testing accuracy and efficiency caused by specimen slippage are solved. Alignment of the central axis of the specimen with the pressure device is achieved, improving testing accuracy and efficiency. This method is applicable to specimens of different specifications.
Patent Information
- Application Number
- CN202422640700.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-30
AI Technical Summary
In concrete compressive strength testing, the slippage of the test block on the steel base causes the central axis to be inconsistent with the pressure axis of the pressure device, affecting the testing accuracy and efficiency.
It adopts a steel base and limiting components, including first and second abutment plates, and achieves the limiting of the test block through connecting components and adjusting components, ensuring that the central axis of the test block coincides with the force application axis of the pressure device, and is suitable for test blocks of different sizes.
It reduces the adjustment work required by operators, improves testing accuracy and efficiency, expands the applicability of the structure, and reduces the possibility of test blocks detaching.
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Figure CN223581555U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of test piece strength detection, in particular to an auxiliary structure for detecting the compressive strength of a concrete mortar test block. BACKGROUND
[0002] A cubic test block is a concrete test block used for measuring the compressive strength of concrete, and the compressive strength of the concrete test block is a key index reflecting the construction quality of engineering concrete.
[0003] At present, in the detection of the compressive strength of concrete, a pressure device is used to provide pressure, and the test block to be detected is placed on a steel base, the pressure device applies pressure on the concrete test block, and the compressive strength of the concrete is detected. However, during the pressure application process, the concrete test block may slide on the steel base to a certain extent under the action of the pressure, so that the central axis of the concrete test block cannot keep in line with the pressure axis of the pressure device. In order to ensure the detection accuracy of the test, the operator needs to continuously adjust the center of the concrete test block, so that the central axis of the test block is geometrically centered with the pressure device. CONTENT OF THE UTILITY MODEL
[0004] In order to reduce personnel operation, improve the detection accuracy and efficiency of the compressive strength of the test block, the application provides an auxiliary structure for detecting the compressive strength of a concrete mortar test block.
[0005] The auxiliary structure for detecting the compressive strength of a concrete mortar test block provided by the application adopts the following technical scheme:
[0006] An auxiliary structure for detecting the compressive strength of a concrete mortar test block, comprising a steel base and a limiting assembly, the limiting assembly is arranged on the top surface of the steel base, the limiting assembly comprises a first abutting plate and a second abutting plate, the first abutting plate is vertically arranged on the top surface of the steel base, two second abutting plates are vertically and parallel arranged on the top surface of the steel base, the two second abutting plates are vertically arranged about the first abutting plate, the two second abutting plates are respectively arranged on the opposite sides of the first abutting plate, the bottom end of the first abutting plate and the bottom end of the second abutting plate are both vertically provided with a connecting lug plate, and the connecting lug plate is connected with the steel base through a connecting assembly.
[0007] By adopting the technical scheme, when the strength of the test block is detected, the test block is placed between the second abutting plate and the first abutting plate, the test block is limited, the central axis of the test block is coincided with the force applying shaft of the pressure device, and the position of the test block on the steel base is adjusted by the operator during the detection process. Through the cooperation of the steel base and the limiting assembly, the limiting of the test block during the detection is realized, which reduces the personnel operation, improves the detection accuracy and efficiency of the compressive strength of the test block.
[0008] Optionally, the bottom plate is provided with a first sliding groove and a second sliding groove, the second sliding groove is provided with two, the length direction of the two second sliding grooves is located on the same straight line, the length direction of the first sliding groove is perpendicular to the length direction of the second sliding groove, a first sliding plate is slidingly arranged in the first sliding groove, and a second sliding plate is slidingly arranged in each second sliding groove. The first abutting plate is arranged on the top surface of the first sliding plate, and the second abutting plate is arranged on the top surface of the second sliding plate.
[0009] By adopting the technical scheme, the first sliding plate is slidingly arranged in the first sliding groove, and the second sliding plate is slidingly arranged in the second sliding groove. The position of the first sliding plate and the second sliding plate on the steel base is adjusted by the adjusting assembly, the position of the first abutting plate and the second abutting plate arranged thereon is adjusted, the limiting assembly can be suitable for test blocks of different sizes, and the application range of the structure is expanded.
[0010] Optionally, the connecting ear plate is provided with a connecting hole, the connecting assembly comprises a connecting bolt, and the connecting bolt passes through the connecting hole and is connected with the corresponding sliding plate.
[0011] By adopting the technical scheme, the first abutting plate and the second abutting plate are installed on the first sliding plate and the second sliding plate through the connecting bolt and the connecting ear plate, and the detachable connection of the first abutting plate and the second abutting plate is realized.
[0012] Optionally, a plurality of pairs of mounting holes are formed in the first sliding plate and the second sliding plate, the plurality of pairs of mounting holes on the first sliding plate are arranged along the length direction of the first sliding groove, and the plurality of pairs of mounting holes on the second sliding plate are arranged along the length direction of the second sliding groove.
[0013] By adopting the technical scheme, according to the different sizes of the test block, the connecting ear plate can be installed on a suitable pair of mounting holes through the connecting assembly, and the plurality of pairs of mounting holes improve the application range of the structure.
[0014] Optionally, a plurality of connecting assemblies are arranged on the first sliding plate and the second sliding plate, the connecting assembly comprises a connecting top block, a connecting bottom block, a sliding rod and an elastic member, the first sliding plate and the second sliding plate are both provided with a sliding hole, the sliding rod passes through the sliding hole and is connected with the first sliding plate and the second sliding plate, the connecting top block is connected to the top end of the sliding rod, the connecting bottom block is connected to the bottom end of the sliding rod, the elastic member is arranged on the sliding rod, the elastic member is below the steel base, and the connecting top block is in abutment with the top surface of the first sliding plate and the second sliding plate under the action of the elastic member in a natural state, and the edge of the connecting lug plate is provided with an insertion slot corresponding to the sliding rod.
[0015] By adopting the above technical scheme, the connecting top block is lifted upward, and the connecting lug plate is pushed, so that the sliding rod is inserted into the insertion slot of the connecting lug plate. The connecting top block is in abutment with the connecting lug plate under the action of the elastic member, and the first abutment plate and the second abutment plate are quickly connected.
[0016] Optionally, the second abutment plate is provided with an arc-shaped guide extension edge at the end away from the first abutment plate, and the distance between the two arc-shaped guide extension edges increases away from the first abutment plate.
[0017] By adopting the above technical scheme, the arc-shaped guide extension edge guides the test block, and avoids damage caused by collision between the test block and the edge of the second abutment plate during movement.
[0018] Optionally, the adjusting assembly comprises a first adjusting screw rod, a second adjusting screw rod and a driving plate, one of the driving plates is connected below the first sliding plate and the second sliding plate, the first adjusting screw rod and the second adjusting screw rod are both rotationally arranged below the steel base, the first adjusting screw rod is arranged along the length direction of the first sliding groove, the second adjusting screw rod is arranged along the length direction of the second sliding groove, the first screw rod is threadedly connected with the driving plate below the first sliding plate, and the two ends of the second adjusting screw rod are provided with thread segments with opposite screw directions, the driving plates on the bottom surfaces of the two second sliding plates are in one-to-one correspondence with the two thread segments of the second adjusting screw rod and are threadedly connected.
[0019] By adopting the above technical scheme, when it is necessary to adjust the positions of the first abutment plate and the second abutment plate, the second adjusting screw rod is rotated, and the two second sliding plates move toward each other or away from each other under the driving of the second adjusting screw rod. The first adjusting screw rod is rotated, and the first sliding plate moves on the steel base.
[0020] Optionally, the first abutting plate is provided with a non-slip pad on the side close to the second abutting plate and the side close to the other second abutting plate.
[0021] By adopting the above technical scheme, the non-slip pad is arranged to help improve the friction between the first abutting plate, the second abutting plate and the test block, and reduce the possibility of the test block being separated from the first abutting plate and the second abutting plate during pressure application.
[0022] In summary, the present application has at least one of the following beneficial technical effects:
[0023] 1. By the cooperation of the steel base and the limiting assembly, the test block is limited during detection, which reduces the personnel operation, improves the detection precision and efficiency of the test block compressive strength;
[0024] 2. The adjusting assembly is arranged to make the limiting assembly applicable to test blocks of different sizes, thereby expanding the application range of the structure;
[0025] 3. The non-slip pad is arranged to reduce the possibility of the test block being separated from the first abutting plate and the second abutting plate during pressure application. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is a structural schematic view of a concrete mortar test block compressive strength detection auxiliary structure according to Embodiment 1 of the present application.
[0027] Figure 2 is a structural schematic view of an adjusting assembly according to an embodiment of the present application.
[0028] Figure 3 is a structural schematic view of a concrete mortar test block compressive strength detection auxiliary structure according to Embodiment 2 of the present application.
[0029] Figure 4 is Figure 3 is an enlarged view of part A in FIG. 8.
[0030] Figure 5 is a sectional view of a connecting assembly according to Embodiment 2 of the present application.
[0031] Explanation of reference signs: 1, steel base; 101, first sliding groove; 102, second sliding groove; 2, adjusting assembly; 21, first adjusting screw; 22, second adjusting screw; 23, rotating handle; 24, first bevel gear; 25, second bevel gear; 26, first sliding plate; 27, second sliding plate; 28, guide rod; 29, driving plate; 3, limiting assembly; 31, first abutting plate; 32, second abutting plate; 33, arc-shaped guide extension edge; 34, non-slip pad; 35, connecting ear plate; 4, connecting assembly; 41, connecting bolt; 42, connecting bottom block; 43, return spring; 44, connecting top block; 45, sliding rod; 5, mounting plate; 6, mounting hole; 7, sliding hole; 8, insertion groove. DETAILED DESCRIPTION
[0032] The following will be described in detail in combination with the accompanying Figures 1-5 The application is further described in detail. The embodiments of the application provide a concrete mortar test block compressive strength detection auxiliary structure, which has the effects of reducing personnel operation, improving test block compressive strength detection precision and efficiency.
[0033] Embodiment 1
[0034] Reference Figure 1 A concrete mortar test block compressive strength detection auxiliary structure includes a steel base 1, an adjusting assembly 2, a limiting assembly 3, and a connecting assembly 4.
[0035] Reference Figure 1 And Figure 2 The adjusting assembly 2 is arranged on the steel base 1, and the adjusting assembly 2 includes a first adjusting screw 21, a second adjusting screw 22, a rotating handle 23, a first bevel gear 24, a second bevel gear 25, a first sliding plate 26, a second sliding plate 27, a guide rod 28, and a driving plate 29. The steel base 1 is provided with a first sliding groove 101 and two second sliding grooves 102 along the radial direction, the two second sliding grooves 102 are arranged in line in the length direction, the length direction of the first sliding groove 101 is perpendicular to the length direction of the second sliding groove 102, and the first sliding groove 101 is located between the two second sliding grooves 102.
[0036] Reference Figure 1 And Figure 2, the guide rods 28 are parallel arranged in the first sliding groove 101 and the second sliding groove 102, the guide rods 28 in the first sliding groove 101 are parallel to the length direction of the first sliding groove 101, and the guide rods 28 in the second sliding groove 102 are parallel to the length direction of the second sliding groove 102. The first sliding plate 26 is arranged in the first sliding groove 101, and the first sliding plate 26 is in sliding connection with the guide rods 28 in the first sliding groove 101. The second sliding plate 27 is arranged in each second sliding groove 102, and the second sliding plate 27 is in sliding connection with the guide rods 28 in the second sliding groove 102.
[0037] With reference to Figure 1 and Figure 2 , the first adjusting screw 21 and the second adjusting screw 22 are horizontally arranged below the steel base 1, the length direction of the first adjusting screw 21 is parallel to the length direction of the first sliding groove 101, the length direction of the second adjusting screw 22 is parallel to the length direction of the second sliding groove 102, and the two ends of the second adjusting screw 22 are provided with two thread segments with opposite rotation directions. The two ends of the first adjusting screw 21 and the second adjusting screw 22 are rotatably provided with an installation plate 5, and the installation plate 5 is connected with the bottom surface of the steel base 1. The bottom surface of the first sliding plate 26 and each second sliding plate 27 is connected with a driving plate 29, the first adjusting screw 21 is in rotational connection with the driving plate 29 on the first sliding plate 26, and the two thread segments of the second adjusting screw 22 are in one-to-one correspondence with the driving plates 29 on the two second sliding plates 27 and are in threaded connection. The first bevel gear 24 is fixedly sleeved on the first adjusting screw 21, the second bevel gear 25 is fixedly sleeved on the second adjusting screw 22, the first bevel gear 24 is in meshing connection with the second bevel gear 25, and one end of the second adjusting screw 22 is provided with a rotating handle 23.
[0038] With reference to Figure 1 , the limiting assembly 3 is arranged on the top surface of the steel base 1, and the limiting assembly 3 comprises a first abutting plate 31, a second abutting plate 32, an arc-shaped guide extension edge 33, an anti-skid pad 34 and a connecting lug plate 35. The first abutting plate 31 is vertically arranged on the first sliding plate 26, and the second abutting plate 32 is vertically arranged on each second sliding plate 27. The first abutting plate 31 is vertically arranged with respect to the length direction of the first sliding groove 101, and the second abutting plate 32 is vertically arranged with respect to the length direction of the second sliding groove 102. The connecting lug plate 35 is vertically arranged on the bottom edge of the first abutting plate 31 and the second abutting plate 32, and the connecting lug plate 35 is connected with the first sliding plate 26 and the second sliding plate 27 through the connecting assembly 4.
[0039] With reference to Figure 1The first sliding plate 26 and the second sliding plate 27 are both provided with a plurality of pairs of mounting holes 6 along the length direction thereof, and the connecting lug plate 35 is provided with connecting holes corresponding to the mounting holes 6. The connecting assembly 4 comprises connecting bolts 41 which pass through the connecting lug plate 35 through the connecting holes and are connected with the corresponding first sliding plate 26 or second sliding plate 27 through the mounting holes 6.
[0040] With reference to Figure 1 The first abutting plate 31 is provided with an anti-skid pad 34 on the side close to the two second abutting plates 32 and the side of the two second abutting plates 32 close to each other. The second abutting plate 32 is fixedly connected with an arc-shaped guiding extension edge 33 on the side away from the first abutting plate 31, and the interval between the two arc-shaped guiding extension edges 33 gradually increases in the direction away from the first abutting plate 31.
[0041] With reference to Figure 1 and Figure 2 Before the test block is detected, the first abutting plate 31 and the second abutting plate 32 are installed on the corresponding one of the pairs of mounting holes 6 of the first sliding plate 26 and the second sliding plate 27 by using the connecting bolts 41, so that the space between the first abutting plate 31 and the second abutting plate 32 can correspond to the size of the test block. When the size of the test block has a small gap with the first abutting plate 31 and the second abutting plate 32, the rotating handle 23 is rotated to drive the second adjusting screw 22 to rotate, and the two second sliding plates 27 move towards each other under the driving of the second adjusting screw 22 and the guiding of the guiding rod 28. The second bevel gear 25 rotates with the second adjusting screw 22, and the second bevel gear 25 drives the first bevel gear 24 and the first adjusting screw 21 to rotate, and the first sliding plate 26 moves in the first sliding groove 101 under the driving of the first adjusting screw 21 and the guiding of the guiding rod 28. The adjustment assembly 2 is arranged to adjust the interval between the first abutting plate 31 and the second abutting plate 32, and also expands the application range of the structure.
[0042] With reference to Figure 1, after the position adjustment of the first abutting plate 31 and the second abutting plate 32 is completed, the test block is pushed into the first abutting plate 31 and the two second abutting plates 32 from one side, and the first abutting plate 31 and the second abutting plate 32 simultaneously limit the test block, so that the central axis of the test block can coincide with the pressing direction of the pressure device, and the operator does not need to adjust the position of the test block during the detection process, which helps to improve the detection accuracy and efficiency of the concrete test block. The setting of the arc-shaped guide extension edge 33 realizes the guidance of the test block, avoiding the impact of the test block on the edge of the second abutting plate 32 during pushing, which causes damage to the structure of the two. The setting of the non-slip pad 34 increases the friction between the test block and the first abutting plate 31 and the second abutting plate 32, reducing the possibility of the test block slipping out of the first abutting plate 31 and the second abutting plate 32 during pressing.
[0043] The implementation principle of the auxiliary structure for detecting the compressive strength of a concrete mortar test block in Embodiment 1 of the present application is as follows: Before detecting the test block, the first abutting plate 31 and the second abutting plate 32 are installed on the first sliding plate 26 and the second sliding plate 27, and the distance between the first abutting plate 31 and the second abutting plate 32 is adjusted by the adjusting assembly 2. The test block is pushed into the first abutting plate 31 and the two second abutting plates 32 from one side, and the first abutting plate 31 and the second abutting plate 32 simultaneously limit the test block, so that the central axis of the test block can coincide with the pressing direction of the pressure device, and the operator does not need to adjust the position of the test block during the detection process, which helps to improve the detection accuracy and efficiency of the concrete test block.
[0044] Embodiment 2
[0045] Reference Figures 3-5 , Embodiment 2 differs from Embodiment 1 in that the connecting assembly 4 includes a connecting top block 44, a connecting bottom block 42, a sliding rod 45, and a reset spring 43. The side of the connecting lug plate 35 away from the first abutting plate 31 or the second abutting plate 32 is provided with a plug-in groove 8. The first sliding plate 26 and the second sliding plate 27 are provided with a plurality of sliding holes 7, and the sliding rod 45 penetrates the first sliding plate 26 and the second sliding plate 27 through one of the sliding holes 7. The connecting top block 44 is threadedly connected to the top end of the sliding rod 45, the connecting bottom block 42 is fixedly connected to the bottom end of the sliding rod 45, the reset spring 43 is sleeved on the sliding rod 45, one end of the reset spring 43 abuts against the connecting bottom block 42, and the other end abuts against the bottom surface of the first sliding plate 26 or the second sliding plate 27. In the natural state, the connecting top block 44 abuts against the top surface of the first sliding plate 26 or the second sliding plate 27 under the action of the reset spring 43.
[0046] The implementation principle of the auxiliary structure for detecting the compressive strength of the concrete mortar test block in the embodiment 2 of the application is as follows: when the first abutting plate 31 and the second abutting plate 32 are connected, the connecting top block 44 is lifted upward, the reset spring 43 is shortened, the connecting plate is pushed toward the direction close to the sliding rod 45, and the sliding rod 45 is clamped in the plug-in groove 8 of the connecting lug plate 35. The connecting top block 44 is loosened, and the connecting top block 44 is in abutment with the top surface of the connecting lug plate 35 under the action of the reset spring 43, so that the first abutting plate 31 and the second abutting plate 32 are quickly connected.
[0047] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. A kind of concrete mortar test block compressive strength detection auxiliary structure, it is characterized in that: The application relates to a steel base (1) and a limiting assembly (3) arranged on the top surface of the steel base (1), wherein the limiting assembly (3) comprises a first abutting plate (31) and two second abutting plates (32), the first abutting plate (31) is vertically arranged on the top surface of the steel base (1), the two second abutting plates (32) are vertically and parallelly arranged on the top surface of the steel base (1), the two second abutting plates (32) are vertically arranged relative to the first abutting plate (31), the two second abutting plates (32) are arranged on the opposite sides of the first abutting plate (31) respectively, the bottom end of the first abutting plate (31) and the bottom end of the second abutting plate (32) are vertically provided with connecting lug plates (35), and the connecting lug plates (35) are connected with the steel base (1) through a connecting assembly (4).
2. The auxiliary structure for detecting the compressive strength of a concrete mortar test block according to claim 1, characterized in that: The steel base (1) is provided with a first sliding groove (101) and two second sliding grooves (102), the length direction of the two second sliding grooves (102) is on the same line, the length direction of the first sliding groove (101) is perpendicular to the length direction of the second sliding grooves (102), a first sliding plate (26) is slidingly arranged in the first sliding groove (101), and one second sliding plate (27) is slidingly arranged in each second sliding groove (102), the first abutting plate (31) is arranged on the top surface of the first sliding plate (26), the two second abutting plates (32) and the two second sliding plates (27) are arranged one by one, and the second abutting plate (32) is arranged on the top surface of the second sliding plate (27).
3. The auxiliary structure for detecting the compressive strength of a concrete mortar test block according to claim 2, characterized in that: The connecting lug plate (35) is provided with a connecting hole, the connecting assembly (4) comprises a connecting bolt (41), and the connecting bolt (41) passes through the connecting hole and is connected with the corresponding first sliding plate (26) and second sliding plate (27).
4. The auxiliary structure for detecting the compressive strength of a concrete mortar test block according to claim 3, characterized in that: The first sliding plate (26) and the second sliding plate (27) are provided with a plurality of pairs of mounting holes (6), the plurality of pairs of mounting holes (6) on the first sliding plate (26) are arranged along the length direction of the first sliding groove (101), and the plurality of pairs of mounting holes (6) on the second sliding plate (27) are arranged along the length direction of the second sliding groove (102).
5. The auxiliary structure for detecting the compressive strength of a concrete mortar test block according to claim 2, characterized in that: The connecting assembly (4) is provided with a group on the first sliding plate (26) and the second sliding plate (27), the connecting assembly (4) comprises a connecting top block (44), a connecting bottom block (42), a sliding rod (45) and an elastic piece, the first sliding plate (26) and the second sliding plate (27) are provided with a sliding hole (7), the sliding rod (45) passes through the sliding hole (7) and is connected with the first sliding plate (26) and the second sliding plate (27), the connecting top block (44) is connected to the top end of the sliding rod (45), the connecting bottom block (42) is connected to the bottom end of the sliding rod (45), the elastic piece is arranged on the sliding rod (45), the elastic piece is located below the steel base (1), and the connecting top block (44) is in abutment with the top surface of the first sliding plate (26) and the second sliding plate (27) under the action of the elastic piece in the natural state, and the edge of the connecting lug plate (35) is provided with a plug-in groove (8) corresponding to the sliding rod (45).
6. The auxiliary structure for detecting the compressive strength of a concrete mortar test block according to claim 1, characterized in that: The second abutting plate (32) is provided with an arc-shaped guide extension edge (33) at one end away from the first abutting plate (31), and the distance between the two arc-shaped guide extension edges (33) increases in the direction away from the first abutting plate (31).
7. The auxiliary structure for detecting the compressive strength of a concrete mortar test block according to claim 2, characterized in that: The adjusting assembly (2) comprises a first adjusting screw (21), a second adjusting screw (22) and a driving plate (29), one driving plate (29) is connected below the first sliding plate (26) and the second sliding plate (27), the first adjusting screw (21) and the second adjusting screw (22) are rotationally arranged below the steel base (1), the first adjusting screw (21) is arranged along the length direction of the first sliding groove (101), the second adjusting screw (22) is arranged along the length direction of the second sliding groove (102), the first adjusting screw (21) is threadedly connected with the driving plate (29) below the first sliding plate (26), and the two ends of the second adjusting screw (22) are provided with thread segments with opposite screw directions, the driving plates (29) on the bottom surfaces of the two second sliding plates (27) correspond to the two thread segments of the second adjusting screw (22) one by one and are threadedly connected.
8. The auxiliary structure for detecting the compressive strength of a concrete mortar test block according to claim 6, characterized in that: The first abutting plate (31) is provided with a non-slip pad (34) on the side close to the second abutting plate (32) and the sides close to each other of the two second abutting plates (32).