Road and bridge concrete pressure resistance detection device

Abstract

The utility model discloses a road bridge concrete pressure resistance detection device, which comprises a detection table, a pressure plate and a scraper, and is characterized in that a fixing frame is arranged at the top of the detection table, a motor and a first threaded rod are arranged at the top of the fixing frame, the pressure plate is arranged below the fixing frame, and a fixing rod is arranged at the top of the pressure plate; the first threaded rod rotatably extends into a first threaded hole in the top of the fixing rod, a second threaded rod and a scraper blade are arranged at the top of the detection table, a second threaded hole is formed in the side wall of the scraper blade, the second threaded rod rotatably penetrates through the second threaded hole, and the second threaded rod is connected with a pressing plate; after detection is completed, the motor drives the pressing plate to move upwards, the pressing plate drives a second threaded rod to rotate, a scraping plate is pushed to move by a reciprocating motion, the detected concrete at the top of the detection table and fragments are scraped away from the lower portion of the pressing plate together, and the situation that next detection is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete detection, in particular to a device for detecting the compressive strength of road and bridge concrete. Background Art

[0002] Concrete, abbreviated as "concrete", is a general term for engineering composite materials that are cemented into a whole by cementitious materials. The term concrete usually refers to cement as a cementitious material, sand and stone as aggregates, and water (which may contain admixtures and additives) in a certain proportion, and then mixed to obtain cement concrete, also known as ordinary concrete, which is widely used in civil engineering.

[0003] During the construction of roads and bridges, it is necessary to perform compression tests on concrete to ensure the strength of the concrete. However, in existing concrete compression testing devices, the debris caused by concrete extrusion during compression testing is easily left on the testing table, affecting the next test result. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems and / or the problems existing in the existing road bridge concrete compression resistance detection device, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a device for detecting the compressive resistance of concrete for road bridges, by arranging a fixed frame on the top of the detection platform, a motor and a first threaded rod are arranged on the top of the fixed frame, a pressure plate is arranged below the fixed frame, a fixed rod is arranged on the top of the pressure plate, the first threaded rod rotates and extends into the first threaded hole on the top of the fixed rod, a second threaded rod and a scraper are arranged on the top of the detection platform, a second threaded hole is opened on the side wall of the scraper, the second threaded rod rotates and passes through the second threaded hole, the second threaded rod is connected to the pressure plate, during detection, the motor is started to drive the first threaded rod to rotate, and the pressure plate is pushed downward to squeeze the concrete to detect the compressive resistance of the concrete, after the detection is completed, the motor drives the pressure plate upward, the pressure plate drives the second threaded rod to rotate, and pushes the scraper to move back and forth, so that the connected concrete fragments after the detection on the top of the detection platform are scraped away from under the pressure plate to prevent affecting the next detection.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A road bridge concrete compression resistance detection device, comprising:

[0009] Testing table, on the top of which an installation plate is installed, on the top of the installation plate a motor is installed, at the output end of the motor a first threaded rod is installed, a guiding groove is formed in the side wall of the installation plate, two fixing plates are symmetrically installed on the top of the testing table, and a second threaded rod is rotatably connected between the two fixing plates;

[0010] Pressing plate, located inside the installation plate, the pressing plate is connected to the second threaded rod, when the pressing plate rises, it drives the second threaded rod to rotate, a fixing rod is installed on the top of the pressing plate, and a first threaded hole is formed in the top of the fixing rod, and the first threaded rod rotates and extends into the first threaded hole;

[0011] Scraper, located on the top of the testing table, bristles are installed at the bottom of the scraper, a second threaded hole is formed in the side wall of the scraper, and the second threaded rod rotates through the second threaded hole;

[0012] Collection box, located inside the testing table.

[0013] As a preferred scheme of a road and bridge concrete compressive strength testing device described in the present utility model, wherein, a guiding rod is installed between the two fixing plates, a guiding hole is formed in the side wall of the scraper, and the guiding rod penetrates through the guiding hole.

[0014] As a preferred scheme of a road and bridge concrete compressive strength testing device described in the present utility model, wherein, a guiding groove is formed in the side wall of the installation plate, a guiding plate is installed on the side wall of the pressing plate, the guiding plate penetrates through the guiding groove and a one-way rack is installed.

[0015] As a preferred scheme of a road and bridge concrete compressive strength testing device described in the present utility model, wherein, a one-way gear is rotatably connected to the side wall of the installation plate, the one-way gear meshes with the one-way rack, a second pulley is installed on the side wall of the one-way gear, a vertical plate is installed on the top of the testing table, a first pulley is rotatably connected to the side wall of the vertical plate, the first pulley and the second pulley are connected by a belt, a second helical gear is installed on the side wall of the first pulley, a first helical gear is installed on the rod body of the second threaded rod, and the second helical gear meshes with the first helical gear.

[0016] As a preferred scheme of a road and bridge concrete compressive strength testing device described in the present utility model, wherein, a collection groove is formed in the side wall of the testing table, an opening is formed at the front end of the top of the testing table, and the collection box is located inside the collection groove.

[0017] As a preferred solution of a device for detecting the compressive strength of road and bridge concrete according to the present utility model, further comprising a limiting assembly, the limiting assembly includes a fixed frame installed on the side wall of the test bench, a sliding plate slidably connected inside the fixed frame, a spring installed on the top of the sliding plate, and a limiting plate installed on the bottom of the sliding plate.

[0018] Compared with the prior art: By arranging a fixed frame on the top of the test bench, a motor and a first threaded rod are arranged on the top of the fixed frame, a pressing plate is arranged below the fixed frame, a fixed rod is arranged on the top of the pressing plate, the first threaded rod rotates and extends into the first threaded hole at the top of the fixed rod, a second threaded rod and a scraper are arranged on the top of the test bench, a second threaded hole is opened on the side wall of the scraper, the second threaded rod rotates through the second threaded hole, and the second threaded rod is connected to the pressing plate. When detecting, the motor is started to drive the first threaded rod to rotate, pushing the pressing plate to press down on the concrete to detect the compressive strength of the concrete. After the detection is completed, the motor drives the pressing plate upward, and the pressing plate drives the second threaded rod to rotate, pushing the scraper to move back and forth once, scraping away the detected concrete and broken blocks on the top of the test bench together from below the pressing plate to prevent affecting the next detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below with reference to the drawings and specific embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:

[0020] Figure 1 It is the overall structure diagram of a device for detecting the compressive strength of road and bridge concrete according to the present utility model;

[0021] Figure 2 It is the structure diagram of the test bench of a device for detecting the compressive strength of road and bridge concrete according to the present utility model;

[0022] Figure 3 It is the structure diagram of the pressing plate of a device for detecting the compressive strength of road and bridge concrete according to the present utility model;

[0023] Figure 4 It is the structure diagram of the scraper of a device for detecting the compressive strength of road and bridge concrete according to the present utility model;

[0024] Figure 5 It is the structure diagram of the limiting assembly of a device for detecting the compressive strength of road and bridge concrete according to the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be made with reference to the drawings.

[0026] Secondly, the present utility model will be described in detail with reference to the schematic diagrams. When describing the embodiments of the present utility model in detail, for the convenience of explanation, the sectional views showing the device structure will be enlarged locally in a non-general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0027] To make the objectives, technical solutions, and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.

[0028] The present utility model provides a device for detecting the compressive strength of road and bridge concrete. By arranging a fixing frame on the top of the detection table, a motor and a first threaded rod are arranged on the top of the fixing frame, a pressing plate is arranged below the fixing frame, a fixing rod is arranged on the top of the pressing plate, the first threaded rod rotates and extends into the first threaded hole at the top of the fixing rod, a second threaded rod and a scraping plate are arranged on the top of the detection table, a second threaded hole is formed in the side wall of the scraping plate, the second threaded rod rotates through the second threaded hole, and the second threaded rod is connected to the pressing plate. When detecting, the motor is started to drive the first threaded rod to rotate, pushing the pressing plate to press down on the concrete to detect the compressive strength of the concrete. After the detection is completed, the motor drives the pressing plate upward, the pressing plate drives the second threaded rod to rotate, and pushes the scraping plate to move back and forth once, scraping away the detected concrete and broken blocks on the top of the detection table together from below the pressing plate to prevent affecting the next detection.

[0029] Figures 1-5 Shown is a structural schematic diagram of an embodiment of a device for detecting the compressive strength of road and bridge concrete of the present utility model. Please refer to Figures 1-5 An embodiment of a device for detecting the compressive strength of road and bridge concrete of the present embodiment includes a detection table 100, a pressing plate 200, a scraping plate 300, a collection box 400, and a limiting component 500.

[0030] An installation plate 110 is installed on the top of the detection table 100, a motor 120 is installed on the top of the installation plate 110, a first threaded rod 130 is installed at the output end of the motor 120, a guiding groove 140 is formed in the side wall of the installation plate 110, two fixing plates 150 are symmetrically installed on the top of the detection table 100, a second threaded rod 160 is rotatably connected between the two fixing plates 150, a collection groove 180 is formed in the side wall of the detection table 100, and an opening 181 is formed at the front end of the top of the detection table 100.

[0031] The pressing plate 200 is located inside the mounting plate 110. The pressing plate 200 is connected to the second threaded rod 160. When the pressing plate 200 rises, it drives the second threaded rod 160 to rotate. A fixing rod 210 is installed on the top of the pressing plate 200. A first threaded hole 220 is opened at the top of the fixing rod 210. The first threaded rod 130 rotates and extends into the first threaded hole 220. A guiding groove 140 is opened on the side wall of the mounting plate 110. A guiding plate 230 is installed on the side wall of the pressing plate 200. The guiding plate 230 penetrates through the guiding groove 140 and is installed with a one-way rack 240. A one-way gear 111 is rotatably connected to the side wall of the mounting plate 110. The one-way gear 111 meshes with the one-way rack 240. A second pulley 112 is installed on the side wall of the one-way gear 111. A vertical plate 190 is installed on the top of the testing table 100. A first pulley 191 is rotatably connected to the side wall of the vertical plate 190. The first pulley 191 and the second pulley 112 are connected by a belt. A second bevel gear 192 is installed on the side wall of the first pulley 191. A first bevel gear 161 is installed on the rod body of the second threaded rod 160. The second bevel gear 192 meshes with the first bevel gear 161. When compressive strength testing is required, the concrete component to be tested is placed on the top of the testing table 100 and below the pressing plate 200. By starting the motor 120 to drive the first threaded rod 130 to rotate forward, the first threaded rod 130 uses the screw structure to push the fixing rod 210 to drive the pressing plate 200 to move downward. The pressing plate 200 cooperates with the testing table 100 to squeeze the concrete for compressive strength testing. After the testing is completed, start the motor 120 to drive the first threaded rod 130 to rotate in reverse. The first threaded rod 130 drives the fixing rod 210 and the pressing plate 200 to move upward. The pressing plate 200 drives the one-way rack 240 to move upward. The one-way rack 240 drives the one-way gear 111 and the second pulley 112 to rotate. The second pulley 112 drives the first pulley 191 and the second bevel gear 192 to rotate by means of a belt.

[0032] The scraping plate 300 is located on the top of the testing table 100. A brush 310 is installed at the bottom of the scraping plate 300. A second threaded hole 320 is opened on the side wall of the scraping plate 300. The second threaded rod 160 rotates and penetrates through the second threaded hole 320. A guiding rod 170 is installed between the two fixing plates 150. A guiding hole 330 is opened on the side wall of the scraping plate 300. The guiding rod 170 penetrates through the guiding hole 330. When the second bevel gear 192 rotates, it drives the first bevel gear 161 and the second threaded rod 160 to rotate, and uses the screw structure to push the scraping plate 300 to drive the brush 310 to move. When the pressing plate 200 moves to the bottom of the mounting plate 110 to reset, the second threaded rod 160 drives the scraping plate 300 and the brush 310 to move back and forth once on the top of the testing table 100, scraping the concrete and debris on the top of the testing table 100 towards the opening 181, and the debris falls into the collection tank 180 through the opening 181.

[0033] The collection box 400 is located inside the collection slot 180. The limiting component 500 includes a fixed frame 510 installed on the side wall of the detection table 100, a sliding plate 520 slidably connected inside the fixed frame 510, a spring 530 installed on the top of the sliding plate 520, and a limiting plate 540 installed on the bottom of the sliding plate 520. The collection box 400 is used to collect the debris falling from the opening 181. After the collection is completed, the sliding plate 520 is pulled upward to compress the spring 530, and the limiting plate 540 is retracted into the fixed frame 510 along with the sliding plate 520. At this time, pulling the handle 410 drives the collection box 400 to be drawn out from the opening of the collection slot 180.

[0034] Although the present invention has been described above with reference to the embodiments, various improvements can be made to it and components therein can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in the present invention can be combined with each other in any way, and the exhaustive description of these combinations is not given in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A road bridge concrete compressive strength testing device, characterized in that: include: A testing platform (100), wherein a mounting plate (110) is mounted on the top of the testing platform (100), a motor (120) is mounted on the top of the mounting plate (110), a first threaded rod (130) is mounted on the output end of the motor (120), a guide groove (140) is provided on the side wall of the mounting plate (110), two fixing plates (150) are symmetrically mounted on the top of the testing platform (100), and a second threaded rod (160) is rotatably connected between the two fixing plates (150); A pressing plate (200) is located inside the mounting plate (110). The pressing plate (200) is connected to the second threaded rod (160). When the pressing plate (200) rises, it drives the second threaded rod (160) to rotate. A fixing rod (210) is installed on the top of the pressing plate (200). A first threaded hole (220) is opened on the top of the fixing rod (210). The first threaded rod (130) rotates and extends into the first threaded hole (220). A scraper (300) is located on the top of the detection platform (100), bristles (310) are installed on the bottom of the scraper (300), a second threaded hole (320) is opened on the side wall of the scraper (300), and the second threaded rod (160) rotates through the second threaded hole (320); The collection box (400) is located inside the detection platform (100).

2. A road bridge concrete compression resistance detection device according to claim 1, characterized in that: A guide rod (170) is installed between the two fixing plates (150), a guide hole (330) is opened on the side wall of the scraper (300), and the guide rod (170) passes through the guide hole (330).

3. A road bridge concrete compression resistance detection device according to claim 2, characterized in that: A guide groove (140) is provided on the side wall of the mounting plate (110), and a guide plate (230) is installed on the side wall of the pressing plate (200). The guide plate (230) passes through the guide groove (140) and is installed with a one-way rack (240).

4. A road bridge concrete compression resistance detection device according to claim 3, characterized in that: The side wall of the mounting plate (110) is rotatably connected to a one-way gear (111), the one-way gear (111) is meshed with the one-way rack (240), the side wall of the one-way gear (111) is installed with a second pulley (112), a vertical plate (190) is installed on the top of the detection platform (100), the side wall of the vertical plate (190) is rotatably connected to a first pulley (191), the first pulley (191) and the second pulley (112) are connected via a belt, the side wall of the first pulley (191) is installed with a second bevel gear (192), the second threaded rod (160) is installed with a first bevel gear (161), the second bevel gear (192) is meshed with the first bevel gear (161).

5. A road bridge concrete compression resistance detection device according to claim 4, characterized in that: The side wall of the detection platform (100) is provided with a collecting groove (180), the front end of the top of the detection platform (100) is provided with an opening (181), and the collecting box (400) is located inside the collecting groove (180).

6. A road bridge concrete compression resistance detection device according to claim 5, characterized in that: The invention also comprises a limiting assembly (500), wherein the limiting assembly (500) comprises a fixed frame (510) mounted on the side wall of the detection platform (100), a slide plate (520) slidably connected to the inside of the fixed frame (510), a spring (530) mounted on the top of the slide plate (520), and a limiting plate (540) mounted on the bottom of the slide plate (520).

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