CN209894616U - Building materials compressive strength's detection anchor clamps - Google Patents
Building materials compressive strength's detection anchor clamps Download PDFInfo
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- CN209894616U CN209894616U CN201920623465.0U CN201920623465U CN209894616U CN 209894616 U CN209894616 U CN 209894616U CN 201920623465 U CN201920623465 U CN 201920623465U CN 209894616 U CN209894616 U CN 209894616U
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Abstract
The utility model relates to a detection clamp for the compressive strength of building materials, which belongs to the technical field of the detection of the compressive strength of building materials, and comprises a bottom plate, wherein a supporting block structure with a downward sunken middle part is fixed at the central position of the top of the bottom plate, the supporting block structures are symmetrically arranged at the front and the back, a core sample is placed at the top of the two supporting block structures, a supporting frame is fixedly connected to the top of the bottom plate close to the side surface of the bottom plate, and the supporting frame is positioned between the two supporting block structures; the utility model discloses the motor starts, drives the arc and moves down to exert pressure to the core appearance according to the clamp plate, and the cooperation of screw rod and screw makes the arc lock according to the clamp plate on vertical direction, can control the arc and press the time that the core appearance was pressed to the clamp plate, and the setting of arc according to the clamp plate, makes its area of contact grow with the core appearance, and core appearance atress is more even, just the utility model discloses long-time the use, the arc can not take place to bend according to the clamp plate, does not influence and presses the core appearance, and the arc of still being convenient for in later stage is pressed the clamp plate and is dismantled and maintain it after.
Description
Technical Field
The utility model relates to a building materials compressive strength's detection anchor clamps belongs to building materials compressive strength and detects technical field.
Background
The compressive strength is an important index for evaluating the quality of building materials such as concrete, mortar, bricks, building blocks, stones and the like. The current methods for detecting the compressive strength of concrete structure entities mainly comprise a core drilling method, a rebound method, a shearing method and the like. The core drilling method has direct and reliable results, but needs secondary cutting and grinding processing on the drilled core sample, has large damage to components and high detection cost; the rebound method is simple and convenient to operate, does not damage components, but has low test precision, small application range and large detection workload; the shearing and pressing method has little damage to the component, but has specific requirements on the component appearance and the measuring point part, and the detection result is greatly influenced by the component reinforcement condition; the shearing method has high breaking load and small damage to the member, but has high requirement on the core sample drilling quality and is greatly influenced by the particle size and distribution condition of the concrete aggregate.
Therefore, various testing jigs for the compressive strength of building materials are available on the market, for example, chinese patent CN201820287121.2 provides an oblique pressure testing jig for the compressive strength of building materials. The oblique pressure detection clamp for the compressive strength of the building materials comprises a supporting block structure, wherein the upper end of the supporting block structure is provided with a groove part, the groove part comprises a first groove and a second groove, the first groove comprises two first supporting surfaces, and the second groove comprises two second supporting surfaces; be equipped with a set of supporting component with the first point of core appearance periphery point contact in the first recess, be equipped with a set of second point supporting component with core appearance periphery point contact in the second recess, not only have application scope big concurrently, destroy the characteristics that the load is high, reduce the detection cost moreover, improved and detected the precision, the core appearance destroys the internal force distribution in cross-section evenly simultaneously, and the result discreteness is little, receives adverse factor influences such as aggregate particle size and distribution for a short time.
However, when the pressing shaft presses the core sample, the pressing shaft cannot be fixed, so that the pressing time cannot be controlled, and the contact area between the pressing shaft and the core sample is small, so that not only the core sample cannot be uniformly pressed, but also the pressing shaft may be bent after being used for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves overcomes current defect, provides a building materials compressive strength's detection anchor clamps, can effectively solve in the background art the axle of exerting pressure when exerting pressure to the core appearance, can not fix the axle of exerting pressure for the time of exerting pressure can not be controlled, and the area of contact of the axle of exerting pressure and core appearance is less, not only can not carry out even the pressure of exerting pressure to the core appearance, still can lead to the axle length of exerting pressure to use the problem that can take place the bending.
In order to solve the technical problem, the utility model provides a following technical scheme:
a detection clamp for the compressive strength of building materials comprises a bottom plate, wherein two supporting block structures with downward sunken middle parts are fixed in the center of the top of the bottom plate, the two supporting block structures are symmetrical front and back, core samples are placed on the tops of the two supporting block structures, a supporting frame is fixedly connected to the top of the bottom plate close to the side face of the bottom plate, and the supporting frame is located between the two supporting block structures;
the center of the top of the supporting frame is fixedly connected with a motor, an output shaft of the motor penetrates through the supporting frame and is fixedly connected with a screw rod, a pressing column is arranged on the outer surface of the screw rod, a screw hole is formed in the middle of the pressing column and is in threaded connection with the outer surface of the screw rod, and the side surface of the pressing column is slidably mounted on the inner wall of the supporting frame through a sliding mechanism;
the bottom joint of pressing the post has the connecting plate, the equal fixedly connected with spring in bottom that the bottom of connecting plate is close to its both sides, two the bottom of spring is through arc pressing panel fixed connection, just arc pressing panel is located directly over the core appearance.
Further, the depth of the screw hole is ten to thirty centimeters.
Furthermore, the sliding mechanism comprises a sliding plate fixedly connected to the side surface of the pressing column, a sliding groove is formed in the inner wall of the supporting frame, and the outer surface of the sliding plate, close to the end portion of the sliding plate, is in sliding connection with the inner surface of the sliding groove.
Furthermore, the number of the sliding plates is two, and the two sliding plates are symmetrically arranged by taking a vertical central line of the front end surface of the supporting frame as an axis.
Further, the inner diameter of the arc pressing plate is ten to fifteen centimeters.
Furthermore, a clamping groove is formed in the bottom of the connecting plate, a clamping block matched with the clamping groove is fixedly connected to the top of the arc-shaped pressing plate, and the clamping block and the clamping groove are elastically arranged
Further, an elastic rubber layer is fixedly connected to the inner surface of the arc-shaped pressing plate.
The utility model discloses beneficial effect: the utility model discloses the motor starts, drives the arc and moves down to exert pressure to the core appearance according to the clamp plate, and the cooperation of screw rod and screw makes the arc lock according to the clamp plate on vertical direction, can control the arc and press the time that the core appearance was pressed to the clamp plate, and the setting of arc according to the clamp plate, makes its area of contact grow with the core appearance, and core appearance atress is more even, just the utility model discloses long-time the use, the arc can not take place to bend according to the clamp plate, does not influence and presses the core appearance, and the arc of still being convenient for in later stage is pressed the clamp plate and is dismantled and maintain it after.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a partial cross-sectional view of a floor elevation of the present invention;
FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;
fig. 3 is a partial sectional view of a top view of the connection plate of the present invention;
fig. 4 is a schematic structural diagram of the bottom plate of the present invention;
fig. 5 is a schematic structural view of the arc pressing plate of the present invention.
Reference numbers in the figures: 1. a base plate; 2. a support block structure; 3. core sample; 4. a support frame; 5. a motor; 6. a screw; 7. pressing the column; 8. a screw hole; 9. a connecting plate; 10. a spring; 11. an arc-shaped pressing plate; 12. a slide plate; 13. a chute; 14. a card slot; 15. a clamping block; 16. an elastic rubber layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-5, a detecting clamp for the compressive strength of building materials comprises a bottom plate 1, wherein a supporting block structure 2 with a downward-recessed middle part is fixed at the central position of the top of the bottom plate 1, and the supporting block structure 2 is provided with two symmetrical supporting block structures, the supporting block structure 2 is already provided in a reference file CN201820287121.2, without much explanation in the present invention, a core sample 3 is placed at the top of the two supporting block structures 2, a supporting frame 4 is fixedly connected to the top of the bottom plate 1 near the side thereof, and the supporting frame 4 is located between the two supporting block structures 2;
the central position of the top of the supporting frame 4 is fixedly connected with a motor 5, the motor 5 is powered by an external power supply, the steering of an output shaft of the motor 5 is controlled by a control button on the motor 5, the output shaft of the motor 5 penetrates through the supporting frame 4 and is fixedly connected with a screw 6, the outer surface of the screw 6 is provided with a pressing column 7, the middle part of the pressing column 7 is provided with a screw hole 8 in threaded connection with the outer surface of the screw 6, the depth of the screw hole 8 is ten to thirty centimeters, so that the distance for the arc-shaped pressing plate 11 to move downwards is longer, the side surface of the pressing column 7 is slidably mounted with the inner wall of the supporting frame 4 through a sliding mechanism, the sliding mechanism comprises sliding plates 12 fixedly connected with the side surface of the pressing column 7, the inner wall of the supporting frame 4 is provided with a sliding groove 13, the outer surface of the sliding plate 12 close to the end part of the sliding plate is slidably connected with the inner surface, the arrangement of the sliding plate 12 and the sliding groove 13 not only limits the circular motion of the pressing column 7, but also enables the movement of the pressing column 7 to be smoother;
the bottom end of the pressing column 7 is clamped with a connecting plate 9, the bottoms of the connecting plate 9, which are close to the two sides of the connecting plate, are fixedly connected with springs 10, the bottoms of the two springs 10 are fixedly connected with each other through an arc-shaped pressing plate 11, the arrangement of the connecting plate 9 and the springs 10 buffers the arc-shaped pressing plate 11 when the arc-shaped pressing plate 11 presses the core sample 3 downwards to prevent the arc-shaped pressing plate 11 from being damaged when the core sample is directly pressed, the arc-shaped pressing plate 11 is positioned right above the core sample 3, the bottom of the pressing column 7 is provided with a clamping groove 14, the top of the connecting plate 9 is fixedly connected with a clamping block 15 which is matched with the clamping groove 14, the clamping block 15 and the clamping groove 14 are elastically arranged, the arc-shaped pressing plate 11 can be conveniently detached and maintained after being used for a long time, the inner diameter of the arc-shaped pressing plate 11 is ten to fifteen centimeters, so that the arc-shaped pressing plate 11 can adapt to, the internal surface fixedly connected with elastic rubber layer 16 of arc pressing plate 11 cushions the protection when arc pressing plate 11 presses core appearance 3, and the effect of exerting pressure is better.
The utility model discloses the theory of operation: the utility model is powered on, the motor 5 is started, taking the anticlockwise rotation of the output shaft of the motor 5 as an example, because the output shaft of the motor 5 penetrates through the supporting frame 4 and is fixedly connected with the screw 6, therefore, when the motor 5 is started, the screw rod 6 rotates along with the motor, and as the screw rod 6 is in threaded connection with the screw hole 8, the screw hole 8 is formed in the pressing column 7, and the sliding chute 13 limits the circular motion of the sliding plate 12, the fixed connection of the sliding plate 12 and the pressing column 7, therefore, when the screw rod 6 rotates counterclockwise, the pressing post 7 can only move downwards through the cooperation of the sliding plate 12 and the sliding groove 13, and then drive and fix and press the arc pressing plate 11 of 7 bottom ends of pressure posts and remove downwards and exert pressure to core appearance 3, the cooperation of screw rod 6 and screw 8 makes arc pressing plate 11 lock on vertical direction, can control the arc and press the time that core appearance 3 was pressed to arc pressing plate 11.
The setting of arc pressing plate 11 makes its area of contact grow with core appearance 3, and core appearance 3 atress is more even, just the utility model discloses long-time the use, the arc pressing plate 11 can not take place crooked, does not influence and presses core appearance 3, and fixture block 15 and draw-in groove 14's setting, and the arc of being convenient for is pressed plate 11 and is dismantled and maintain it after long-time the use.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (7)
1. The detection clamp for the compressive strength of the building materials comprises a bottom plate (1), wherein two supporting block structures (2) with downward sunken middle parts are fixed at the central position of the top of the bottom plate (1), the two supporting block structures (2) are symmetrical front and back, core samples (3) are placed at the tops of the two supporting block structures (2), a supporting frame (4) is fixedly connected to the top, close to the side surface of the bottom plate (1), and the supporting frame (4) is located between the two supporting block structures (2);
the method is characterized in that: a motor (5) is fixedly connected to the center of the top of the supporting frame (4), an output shaft of the motor (5) penetrates through the supporting frame (4) and is fixedly connected with a screw rod (6), a pressing column (7) is arranged on the outer surface of the screw rod (6), a screw hole (8) is formed in the middle of the pressing column (7) and is in threaded connection with the outer surface of the screw rod (6), and the side surface of the pressing column (7) is slidably mounted with the inner wall of the supporting frame (4) through a sliding mechanism;
the bottom joint of pressing post (7) has connecting plate (9), the equal fixedly connected with spring (10) in bottom that the bottom of connecting plate (9) is close to its both sides, two the bottom of spring (10) is through arc pressing board (11) fixed connection, just arc pressing board (11) are located directly over core appearance (3).
2. The building material compressive strength detection clamp of claim 1, wherein: the depth of the screw hole (8) is ten to thirty centimeters.
3. The building material compressive strength detection clamp of claim 1, wherein: the sliding mechanism comprises a sliding plate (12) fixedly connected to the side face of the pressing column (7), a sliding groove (13) is formed in the inner wall of the supporting frame (4), and the outer surface, close to the end portion of the sliding plate (12), of the sliding plate is connected with the inner surface of the sliding groove (13) in a sliding mode.
4. The building material compressive strength detection clamp of claim 3, wherein: the number of the sliding plates (12) is two, and the two sliding plates (12) are symmetrically arranged by taking the vertical central line of the front end surface of the supporting frame (4) as an axis.
5. The building material compressive strength detection clamp of claim 1, wherein: the inner diameter of the arc pressing plate (11) is ten to fifteen centimeters.
6. The building material compressive strength detection clamp of claim 1, wherein: the bottom of the connecting plate (9) is provided with a clamping groove (14), the top of the arc-shaped pressing plate (11) is fixedly connected with a clamping block (15) matched with the clamping groove (14), and the clamping block (15) and the clamping groove (14) are both elastically arranged.
7. The building material compressive strength detection clamp of claim 1, wherein: the inner surface of the arc pressing plate (11) is fixedly connected with an elastic rubber layer (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623465.0U CN209894616U (en) | 2019-05-05 | 2019-05-05 | Building materials compressive strength's detection anchor clamps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623465.0U CN209894616U (en) | 2019-05-05 | 2019-05-05 | Building materials compressive strength's detection anchor clamps |
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| CN209894616U true CN209894616U (en) | 2020-01-03 |
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| CN201920623465.0U Active CN209894616U (en) | 2019-05-05 | 2019-05-05 | Building materials compressive strength's detection anchor clamps |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579373A (en) * | 2020-05-29 | 2020-08-25 | 浙江礼显试验仪器制造有限公司 | Testing machine for measuring compressive strength |
| CN112326445A (en) * | 2020-11-16 | 2021-02-05 | 冯常想 | Hydraulic engineering concrete quality detection device |
| CN114544378A (en) * | 2022-02-15 | 2022-05-27 | 黄梁 | Be applied to pipeline pressure detection device of ferrous metallurgy safety evaluation |
-
2019
- 2019-05-05 CN CN201920623465.0U patent/CN209894616U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579373A (en) * | 2020-05-29 | 2020-08-25 | 浙江礼显试验仪器制造有限公司 | Testing machine for measuring compressive strength |
| CN111579373B (en) * | 2020-05-29 | 2021-04-16 | 浙江礼显试验仪器制造有限公司 | Testing machine for measuring compressive strength |
| CN112326445A (en) * | 2020-11-16 | 2021-02-05 | 冯常想 | Hydraulic engineering concrete quality detection device |
| CN114544378A (en) * | 2022-02-15 | 2022-05-27 | 黄梁 | Be applied to pipeline pressure detection device of ferrous metallurgy safety evaluation |
| CN114544378B (en) * | 2022-02-15 | 2023-12-15 | 黄梁 | Pipeline pressure detection device applied to ferrous metallurgy safety evaluation |
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