Machine-made sand MB value test auxiliary device

Abstract

The utility model relates to the technical field of machine-made sand MB value testing, in particular to a machine-made sand MB value testing auxiliary device, which comprises a mounting frame, two clamping strips, a mounting plate, two fixing assemblies, a driving assembly, a mounting seat and a searchlight, the mounting plate is provided with a through groove, the mounting frame is provided with two clamping grooves, two ends of the mounting plate are respectively and fixedly connected with the two clamping strips, and the two clamping strips are fixedly connected with the searchlight. The two clamping strips are slidably connected with the two ends of the mounting frame respectively, the two fixing assemblies are arranged at the two ends of the mounting plate, the driving assembly is arranged on the mounting frame, the mounting base is arranged on the driving assembly and located in the mounting frame, the searchlight is fixedly connected with the mounting base, and test paper is fixed to the fixing plate through the two fixing assemblies. The searchlight on the lower portion irradiates the test paper, the searchlight can be driven by the driving assembly to move left and right, the two clamping strips slide in the two clamping grooves to drive the test paper to move front and back, at the moment, the observation effect on the test paper is very good, and even when a tester observes color halo, the mud content of the machine-made sand can be correctly judged.

Description

Technical Field

[0001] The utility model relates to the technical field of the MB value test of manufactured sand, in particular to an auxiliary device for the MB value test of manufactured sand. Background Art

[0002] Fine aggregate is an important component material in concrete. In the past, the fine aggregate used in concrete was mainly natural sand. With the shortage of natural sand, manufactured sand has become the main alternative sand source. However, harmful clay components are often mixed in the process of mining, transportation and storage of manufactured sand. Because harmful clay has large adsorbability and will produce volume expansion after adsorbing water, it will seriously affect the workability of concrete, resulting in the decline of the strength and durability of concrete. Therefore, it is necessary to detect the mud content of manufactured sand before using manufactured sand to replace natural sand.

[0003] In the patent application with the publication number of CN111735787B in the prior art, a test method for quickly determining the mud content in manufactured sand is disclosed. The absorbance of methylene blue solution adsorbed by clay is measured by a colorimeter, and then the relationship between the absorbance and the concentration of methylene blue solution adsorbed by clay is established. Finally, the change of the concentration of methylene blue solution is converted into MBV. In this test method, it only takes 10 minutes to test one sample, providing a method for quickly determining the existence of harmful clay minerals in fine aggregate for laboratory and engineering site tests. The correlation between the expansive clay content and MBV is very obvious, indicating that the test method for quickly determining the mud content in manufactured sand is the most effective and rapid method to identify clay minerals in aggregate. This method can effectively distinguish the types of clay and estimate the content of the contained clay components, and can determine whether it can be safely used in concrete production according to the size of the MBV of fine aggregate.

[0004] However, in the prior art, when the tester observes the color halo, due to the blurred boundary or different observation angles of the personnel, the situation of inaccurate methylene blue value test is very likely to occur, affecting the judgment of the mud content of manufactured sand. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an auxiliary device for the MB value test of manufactured sand, aiming to solve the problem that in the prior art, when the tester observes the color halo, due to the blurred boundary or different observation angles of the personnel, the situation of inaccurate methylene blue value test is very likely to occur, affecting the judgment of the mud content of manufactured sand.

[0006] To achieve the above object, the utility model provides an auxiliary device for testing the MB value of manufactured sand, which includes a mounting frame, two clamping strips, a mounting plate, two fixing components, a driving component, a mounting seat and a searchlight. The mounting plate has a through groove. The mounting frame has two clamping grooves and is located at both ends of the mounting frame. Both ends of the mounting plate are fixedly connected to the two clamping strips respectively and are located above the two clamping strips. The two clamping strips are respectively slidably connected to both ends of the mounting frame and are respectively located in the two clamping grooves. The two fixing components are arranged at both ends of the mounting plate. The driving component is arranged on the mounting frame. The mounting seat is arranged on the driving component and is located inside the mounting frame. The searchlight is fixedly connected to the mounting seat and is located above the mounting seat.

[0007] Among them, the fixing component includes a fixing frame, three telescopic kits and a pressing plate. The fixing frame is fixedly connected to the mounting plate, and the three telescopic kits are arranged between the fixing frame and the pressing plate.

[0008] Among them, the telescopic kit includes a telescopic spring and a telescopic rod. Both ends of the telescopic spring are fixedly connected to the fixing frame and the pressing plate respectively. Both ends of the telescopic rod are fixedly connected to the fixing frame and the pressing plate respectively and are located inside the telescopic spring.

[0009] Among them, the fixing component further includes two sliding rods, a fixing plate and a handle. The two sliding rods are slidably connected to the fixing frame and penetrate through the fixing frame. Both ends of the two sliding rods are fixedly connected to the pressing plate and the fixing plate respectively. The handle is fixedly connected to the fixing plate.

[0010] Among them, the driving component includes a driving motor and a lead screw. The driving motor is fixedly connected to the mounting frame. The lead screw is fixedly connected to the output end of the driving motor and extends into the mounting frame. The mounting seat is threadedly connected to the lead screw.

[0011] Among them, the driving component further includes two fixing ears and two limiting rods. The two fixing ears are respectively fixedly connected to both ends of the mounting seat. The two limiting rods are respectively slidably connected to the two fixing ears and penetrate through the two fixing ears respectively. Both ends of the two limiting rods are fixedly connected to both ends of the mounting frame.

[0012] An auxiliary device for testing the MB value of manufactured sand of the present utility model. When an experimenter observes the result on the test paper, the test paper is placed on the mounting plate, and both ends of the test paper are fixed by the two fixing components. The searchlight is turned on, and the light source of the searchlight irradiates the test paper through the through groove. The operator observes the test paper by means of the light of the searchlight. When observing the position of the main body on the test paper, the driving component is started. The driving component can drive the searchlight to move left and right. Then, by sliding the mounting plate, the two clamping strips below the mounting plate slide in the two clamping grooves respectively, which can drive the mounting plate and the test paper to move back and forth. With this device, the searchlight can irradiate every corner of the test paper, and at this time, the observation effect on the test paper is very good. Even when the experimenter observes the color halo, the mud content of the manufactured sand can be correctly judged. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0014] Figure 1 is a schematic structural diagram of the auxiliary device for testing the MB value of manufactured sand of the present utility model.

[0015] Figure 2 is a schematic structural diagram of the auxiliary device for testing the MB value of manufactured sand of the present utility model in another direction.

[0016] Figure 3 is a side view of the auxiliary device for testing the MB value of manufactured sand of the present utility model.

[0017] Figure 4 is of the present utility model Figure 3 cross-sectional view taken along line A-A.

[0018] Figure 5 is a schematic partial structural diagram of the auxiliary device for testing the MB value of manufactured sand of the present utility model.

[0019] 101 - mounting frame, 102 - clamping groove, 103 - clamping strip, 104 - driving motor, 105 - lead screw, 106 - mounting seat, 107 - searchlight, 108 - fixing ear, 109 - limiting rod, 110 - mounting plate, 111 - fixing frame, 112 - telescopic rod, 113 - telescopic spring, 114 - pressing plate, 115 - sliding rod, 116 - fixing plate, 117 - handle, 118 - through groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Please refer to Figures 1 to 5 , wherein, Figure 1 is a schematic structural diagram of the auxiliary device for testing the MB value of manufactured sand of the present utility model, Figure 2It is a schematic structural diagram of the auxiliary device for testing the MB value of manufactured sand of the present utility model in another direction. Figure 3 It is a side view of the auxiliary device for testing the MB value of manufactured sand of the present utility model. Figure 4 It is of the present utility model Figure 3 A-A line sectional view of Figure 5 It is a schematic structural diagram of a part of the auxiliary device for testing the MB value of manufactured sand of the present utility model.

[0021] The present utility model provides an auxiliary device for testing the MB value of manufactured sand, which includes a mounting frame 101, two clamping strips 103, a mounting plate 110, two fixing components, a driving component, a mounting seat 106 and a searchlight 107. The mounting plate 110 has a through groove 118, the mounting frame 101 has two clamping grooves 102, the fixing components include two sliding rods 115, a fixing plate 116, a handle 117, a fixing frame 111, three telescopic kits and a pressing plate 114. The telescopic kit includes a telescopic spring 113 and a telescopic rod 112. The driving component includes two fixing ears 108, two limiting rods 109, a driving motor 104 and a lead screw 105. Through the foregoing solution, in the prior art, when the tester observes the color halo, due to the blurred boundary or different observation angles of the personnel, the situation of inaccurate methylene blue value test is extremely likely to occur, affecting the judgment of the mud content in the manufactured sand.

[0022] In this embodiment, both ends of the mounting plate 110 are fixedly connected to the two clamping bars 103 respectively and are located above the two clamping bars 103. The two clamping bars 103 are respectively slidably connected to both ends of the mounting frame 101 and are respectively located in the two card slots 102. The two fixing components are arranged at both ends of the mounting plate 110. The driving component is arranged on the mounting frame 101. The mounting seat 106 is arranged on the driving component and is located inside the mounting frame 101. The searchlight 107 is fixedly connected to the mounting seat 106 and is located above the mounting seat 106. When an experimenter observes the result on the test paper, the test paper is placed on the mounting plate 110, and both ends of the test paper are fixed by the two fixing components. The searchlight 107 is turned on, and the light source of the searchlight 107 irradiates the test paper through the through slot 118. The operator observes the test paper by means of the light of the searchlight 107. When observing the position of the main body on the test paper, the driving component is started. The driving component can drive the searchlight 107 to move left and right. Then, by sliding the mounting plate 110, the two clamping bars 103 below the mounting plate 110 slide in the two card slots 102 respectively, which can drive the mounting plate 110 and the test paper to move back and forth. Through this device, the searchlight 107 can irradiate every corner of the test paper. At this time, the observation effect on the test paper is very good. Even when the experimenter observes the color halo, the mud content of the manufactured sand can be correctly judged.

[0023] Further, the fixing frame 111 is fixedly connected to the mounting plate 110, and the three telescopic kits are arranged between the fixing frame 111 and the pressing plate 114.

[0024] Further, both ends of the telescopic spring 113 are fixedly connected to the fixing frame 111 and the pressing plate 114 respectively. Both ends of the telescopic rod 112 are fixedly connected to the fixing frame 111 and the pressing plate 114 respectively and are located inside the telescopic spring 113.

[0025] Further, the two sliding rods 115 are slidably connected to the fixing frame 111 and penetrate through the fixing frame 111. Both ends of the two sliding rods 115 are fixedly connected to the pressing plate 114 and the fixing plate 116 respectively. The handle 117 is fixedly connected to the fixing plate 116.

[0026] In this embodiment, when fixing the test strip, pull the handle 117. The handle 117 drives the fixing plate 116, the two sliding rods 115 and the pressing plate 114 to move upward. At this time, the three telescopic springs 113 and the three telescopic rods 112 contract. Place one end of the test strip between the mounting plate 110 and the pressing plate 114. Release the handle 117. The three telescopic springs 113 and the three telescopic rods 112 extend and drive the pressing plate 114 to press down. One end of the test strip is clamped between the pressing plate 114 and the mounting plate 110. At this time, the three telescopic springs 113 are still in a compressed state. Therefore, the three telescopic springs 113 and the pressing plate 114 apply a downward pressure to the test strip, so that the test strip is firmly fixed between the pressing plate 114 and the mounting plate 110. Then fix the other end of the test strip according to the above operation. The two ends of the test strip are fixedly clamped and will not slide, which is convenient for the operator to observe.

[0027] Further, the drive motor 104 is fixedly connected to the mounting frame 101. The lead screw 105 is fixedly connected to the output end of the drive motor 104 and extends into the mounting frame 101. The mounting seat 106 is threadedly connected to the lead screw 105.

[0028] Further, the two fixing ears 108 are respectively fixedly connected to the two ends of the mounting seat 106. The two limiting rods 109 are respectively slidably connected to the two fixing ears 108 and respectively penetrate through the two fixing ears 108. The two ends of the two limiting rods 109 are respectively fixedly connected to the two ends of the mounting frame 101.

[0029] In this embodiment, when controlling the left - right movement of the searchlight 107, start the drive motor 104. The drive motor 104 drives the lead screw 105 to rotate. The mounting seat 106 moves left - right as the lead screw 105 rotates, thereby changing the irradiation position of the searchlight 107. While the mounting seat 106 moves on the lead screw 105, the two fixing ears 108 slide on the two limiting rods 109. The two fixing ears 108 and the two limiting rods 109 play a role in limiting and guiding the movement of the mounting seat 106, and ensure that the mounting seat 106 will not tilt, increasing the structural stability of the device.

[0030] When using the utility model to assist the operator in observing the results on the test paper, place the test paper on the mounting plate 110, pull the handle 117, and the handle 117 drives the fixing plate 116, the two slide bars 115 and the pressing plate 114 to move upward. At this time, the three telescopic springs 113 and the three telescopic rods 112 contract. Place one end of the test paper between the mounting plate 110 and the pressing plate 114, release the handle 117, and the three telescopic springs 113 and the three telescopic rods 112 extend and drive the pressing plate 114 to press down. One end of the test paper is clamped between the pressing plate 114 and the mounting plate 110. At this time, the three telescopic springs 113 are still in a compressed state. Therefore, the three telescopic springs 113 and the pressing plate 114 exert a downward pressure on the test paper, so that the test paper is firmly fixed between the pressing plate 114 and the mounting plate 110. Then, fix the other end of the test paper according to the above operation. The two ends of the test paper are fixedly clamped and will not slide. Turn on the searchlight 107, and the light source of the searchlight 107 irradiates the test paper through the through groove 118. The operator observes the test paper by means of the light of the searchlight 107. When observing the position of the main body on the test paper, start the drive motor 104, and the drive motor 104 drives the lead screw 105 to rotate. The mounting seat 106 and the searchlight 107 move left and right as the lead screw 105 rotates. Then, by sliding the mounting plate 110, the two card strips 103 below the mounting plate 110 slide in the two card slots 102 respectively, which can drive the mounting plate 110 and the test paper to move back and forth. Through this device, the searchlight 107 can irradiate every corner of the test paper. At this time, the observation effect on the test paper is very good. Even when the tester observes the color halo, the mud content of the manufactured sand can be correctly judged.

[0031] The above disclosure is only a preferred embodiment of the present application, and it cannot be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand the entire or partial processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. An auxiliary device for testing the MB value of manufactured sand, characterized in that it includes a mounting frame, two clamping bars, a mounting plate, two fixing components, a driving component, a mounting seat and a searchlight. The mounting plate has a through groove. The mounting frame has two card slots and is located at both ends of the mounting frame. Both ends of the mounting plate are fixedly connected to the two clamping bars and are located above the two clamping bars. The two clamping bars are respectively slidably connected to both ends of the mounting frame and are respectively located in the two card slots. The two fixing components are arranged at both ends of the mounting plate. The driving component is arranged on the mounting frame. The mounting seat is arranged on the driving component and is located inside the mounting frame. The searchlight is fixedly connected to the mounting seat and is located above the mounting seat.

2. The auxiliary device for testing the MB value of manufactured sand according to claim 1, characterized in that the fixing component includes a fixing frame, three telescopic kits and a pressing plate. The fixing frame is fixedly connected to the mounting plate, and the three telescopic kits are arranged between the fixing frame and the pressing plate.

3. The auxiliary device for testing the MB value of manufactured sand according to claim 2, characterized in that the telescopic kit includes a telescopic spring and a telescopic rod. Both ends of the telescopic spring are fixedly connected to the fixing frame and the pressing plate respectively. Both ends of the telescopic rod are fixedly connected to the fixing frame and the pressing plate respectively and are located inside the telescopic spring.

4. The auxiliary device for testing the MB value of manufactured sand according to claim 3, characterized in that the fixing component further includes two sliding rods, a fixing plate and a handle. The two sliding rods are slidably connected to the fixing frame and penetrate through the fixing frame. Both ends of the two sliding rods are fixedly connected to the pressing plate and the fixing plate respectively. The handle is fixedly connected to the fixing plate.

5. The auxiliary device for testing the MB value of manufactured sand according to claim 4, characterized in that the driving component includes a driving motor and a lead screw. The driving motor is fixedly connected to the mounting frame. The lead screw is fixedly connected to the output end of the driving motor and extends into the mounting frame. The mounting seat is threadedly connected to the lead screw.

6. The auxiliary device for testing the MB value of manufactured sand according to claim 5, characterized in that the driving component further includes two fixing ears and two limiting rods. The two fixing ears are respectively fixedly connected to both ends of the mounting seat. The two limiting rods are respectively slidably connected to the two fixing ears and penetrate through the two fixing ears respectively. Both ends of the two limiting rods are fixedly connected to both ends of the mounting frame.

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