Concrete penetration resistance meter

By designing the automatic screening module in the concrete penetration resistance, the problem of time and effort of artificial sieve removal of aggregate consumption is solved, the screening efficiency is improved and the accuracy of the measurement results is ensured.

CN222419909UActive Publication Date: 2025-01-28TSINGHUA UNIVERSITY
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Patent Information

Application Number
CN202420714586.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2025-01-28
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

The existing concrete penetration resistance meter needs to manually screen the coarse aggregate before measuring the concrete settling time, which is time-consuming and labor-intensive.

Method used

A concrete penetration resistor is designed, including screening modules and test modules. The screening module drives the sieve swing by swinging the arm, automatically sieves the coarse aggregate in the concrete, and the sieved concrete slurry flows into the collecting barrel.

Benefits of technology

Through the use of automatic screening modules, the time to remove artificial screening is reduced, the screening efficiency is improved, and the screening is screened before testing the module to ensure the accuracy of the determination results.

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Abstract

The utility model relates to a concrete penetration resistance meter which comprises a base, a screening module and a testing module, the screening module comprises a swing arm, a sieve and a collecting barrel, the swing arm is connected to the base, the sieve is connected to the swing arm, the swing arm can drive the sieve to swing, and the collecting barrel is arranged below the sieve. The collecting barrel is used for collecting the concrete slurry sieved by the sieve; the testing module is connected to the base and used for testing the setting time of the concrete slurry screened by the screening module. The screening module is arranged, mechanical screening is utilized before the testing module, coarse aggregate does not need to be manually screened out, the screening time is saved, and the screening efficiency is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of concrete detection, and in particular to a concrete penetration resistance meter. Background Art

[0002] The concrete penetration resistance meter is an instrument used to measure the setting time of concrete mixture using the penetration resistance method. However, before using the concrete penetration resistance meter to measure the setting time of concrete, it is necessary to manually screen out coarse aggregates, which is time-consuming and labor-intensive. Utility Model Content

[0003] Based on this, it is necessary to provide a concrete penetration resistance meter to solve the problem of screening out coarse aggregate in concrete.

[0004] A concrete penetration resistance meter, comprising:

[0005] Pedestal;

[0006] The screening module comprises a swing arm, a sieve and a collecting bucket, wherein the swing arm is connected to the base, the sieve is connected to the swing arm, the swing arm can drive the sieve to swing, the collecting bucket is arranged below the sieve, and the collecting bucket is used to collect the concrete slurry after being screened by the sieve;

[0007] A testing module is connected to the base, and is used to test the setting time of the concrete slurry after being screened by the screening module.

[0008] The above concrete penetration resistance meter connects the swing arm of the screening module to the base, and sets the collecting bucket under the screen. The screen is connected to the swing arm, and the swing arm can drive the screen to swing, thereby screening the concrete slurry, and the screened concrete slurry flows into the collecting bucket for collection. After the screening is completed, the test module is used to test the setting time of the concrete slurry screened by the screening module. The present application sets a screening module and uses a machine for screening before the test module, so there is no need to manually screen out coarse aggregate, which saves screening time and improves screening efficiency.

[0009] In one of the embodiments, the screening module further comprises a device connected to a driving source;

[0010] The swing arm includes a transmission shaft and a screening spindle arranged at an angle, one end of the transmission shaft is connected to the base, and the other end is connected to the output end of the driving source, one end of the screening spindle is connected to the transmission shaft, and the other end is connected to the screen.

[0011] In one embodiment, the screening main shaft includes a sleeve portion and a connecting portion, the sleeve portion is sleeved on the transmission shaft and fixedly matched with the transmission shaft, one end of the connecting portion is connected to the sleeve portion, and the other end is plug-fitted with the screen.

[0012] In one of the embodiments, the screening module further comprises a sleeve, wherein the sleeve is sleeved on the transmission shaft, an opening is provided on the sleeve, and the sleeve portion extends through the opening into the interior of the sleeve and is sleeved on the transmission shaft.

[0013] In one of the embodiments, a display module is further included, wherein the display module is disposed on a side of the transmission shaft away from the base, the display module includes a housing, a display screen and a plurality of buttons, the display screen and the plurality of buttons are both mounted on the housing, the plurality of buttons are used to respond to user button operations to start functions corresponding to the button contents, and the driving source is installed in the housing and located on a side away from the display screen.

[0014] In one embodiment, the screening module further includes a connecting pipe, which is in a constricted shape and includes a large end and a small end, wherein the large end is connected to the screen and the small end is connected to the collecting bucket.

[0015] In one of the embodiments, the screening module further comprises an anti-funnel, wherein the anti-funnel is arranged on a side of the sieve facing away from the collecting bucket, and the anti-funnel comprises a large end and a small end, and the small end is connected to the sieve.

[0016] In one of the embodiments, the screening module further includes a vibrating member, the vibrating member is mounted on the base, the collecting bucket can be disposed on the base, and the vibrating member can drive the collecting bucket to vibrate.

[0017] In one of the embodiments, the testing module includes a plurality of measuring needles with different testing functions, and the plurality of measuring needles can be switched so that one of the measuring needles extends into the concrete slurry in the collecting bucket.

[0018] In one of the embodiments, the test module further includes a mounting member and a wiping member connected to each other, wherein the mounting member is sleeved on the measuring needle, and the wiping member is used to wipe the concrete slurry remaining on the measuring needle after the testing of the measuring needle is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] FIG1 is a schematic diagram of the structure in which the screening module provided in the present application is installed on a base.

[0020] FIG2 is a schematic diagram of the structure in which the detection module provided in the present application is installed on a base.

[0021] FIG3 is a schematic diagram of the structure of the screening spindle provided in the present application.

[0022] FIG4 is a schematic diagram of the structure of the anti-funnel provided in the present application installed on the sieve.

[0023] FIG5 is a schematic structural diagram of a display module provided by the present application at a first viewing angle.

[0024] FIG. 6 is a schematic structural diagram of a display module provided in the present application at a second viewing angle.

[0025] FIG. 7 is a schematic diagram of the structure of the measuring needle provided in the present application.

[0026] FIG8 is a schematic diagram of an exploded view of the test module provided in the present application.

[0027] In the figure:

[0028] 100. Base;

[0029] 200, screening module; 210, swing arm; 211, transmission shaft; 212, screening main shaft; 2121, sleeve portion; 2122, connecting portion; 220, sieve; 230, collecting bucket; 240, driving source; 250, sleeve; 260, connecting pipe; 270, anti-funnel; 280, vibrating member;

[0030] 300, test module; 310, measuring needle; 320, mounting member; 330, wiping member; 340, elastic rod;

[0031] 400, display module; 410, housing; 420, display screen; 430, buttons. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0033] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0034] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0035] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0036] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or the like, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0037] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0038] The present application provides a concrete penetration resistance meter, as shown in Figures 1 to 8, the concrete penetration resistance meter includes a base 100, a screening module 200 and a test module 300, the screening module 200 includes a swing arm 210, a sieve 220 and a collecting bucket 230, the swing arm 210 is connected to the base 100, the sieve 220 is connected to the swing arm 210, the swing arm 210 can drive the sieve 220 to swing, the collecting bucket 230 is arranged below the sieve 220, and the collecting bucket 230 is used to collect concrete slurry after passing through the sieve 220; the test module 300 is connected to the base 100, and the test module 300 is used to test the setting time of the concrete slurry after screening by the screening module 200.

[0039] The above concrete penetration resistance meter connects the swing arm 210 of the screening module 200 to the base 100, and sets the collecting bucket 230 below the sieve 220. The sieve 220 is connected to the swing arm 210, and the swing arm 210 can drive the sieve 220 to swing, thereby screening the concrete slurry, and the screened concrete slurry flows into the collecting bucket 230 for collection. After the screening is completed, the test module 300 is used to test the setting time of the concrete slurry screened by the screening module 200. The present application sets the screening module 200, and uses a machine to screen before the test module 300, so there is no need to manually screen out coarse aggregate, which saves screening time and improves screening efficiency.

[0040] In some embodiments, as shown in FIGS. 1 to 2 and 7 to 8, the test module 300 includes a plurality of probes 310 with different test functions, and the plurality of probes 310 can be switched so that one of the probes 310 extends into the concrete slurry in the collection bucket 230. A plurality of probes 310 are provided, each probe 310 tests a different test function, and the measured data is also different. The plurality of probes 310 can be switched, and a suitable probe 310 is selected for testing according to the test requirements, and the probes 310 do not need to be replaced one by one manually, thereby improving the test efficiency.

[0041] Specifically, as shown in FIG. 7 and FIG. 8 , the test module 300 includes three test probes 310 with different test functions.

[0042] More specifically, the test module 300 further includes a switching component, which is used to switch between different probes 310. It should be noted that the switching component belongs to conventional technical means in the art, so the specific structure of the switching component is not described in detail here.

[0043] In some embodiments, as shown in FIGS. 1 and 2 , the test module 300 further includes a mounting member 320 and a wiping member 330 connected to each other, wherein the mounting member 320 is sleeved on the measuring needle 310, and the wiping member 330 is used to wipe the concrete slurry remaining on the measuring needle 310 after the measuring needle 310 is tested. By providing the mounting member 320, sleeved on the measuring needle 310, and the wiping member 330 being installed on the mounting member 320, after the measuring needle 310 is tested, the wiping member 330 can wipe the concrete slurry remaining on the measuring needle 310, so as to prepare for the next use.

[0044] Specifically, as shown in Figures 7 and 8, the mounting member 320 is a sleeve, and the wiping member 330 is a sponge installed at the end of the sleeve. When the measuring needle 310 is returned to the sleeve after the test is completed, the measuring needle 310 passes through the sponge, thereby using the sponge to wipe the concrete slurry remaining on the measuring needle 310.

[0045] Furthermore, as shown in FIGS. 7 and 8 , the test module 300 further includes an elastic rod 340 , to which the measuring needle 310 is connected. The elastic rod 340 can drive the measuring needle 310 to extend or retract into the mounting member 320 .

[0046] In some embodiments, as shown in FIGS. 1 to 6 , the screening module 200 further includes a swing arm 210 connected to a driving source 240; the swing arm 210 includes a transmission shaft 211 and a screening spindle 212, one end of the transmission shaft 211 is connected to the base 100, and the other end is connected to the output end of the driving source 240, and one end of the screening spindle 212 is connected to the transmission shaft 211, and the other end is connected to the sieve 220. By setting the driving source 240, the driving source 240 is linked to the transmission shaft 211, the driving source 240 drives the transmission shaft 211 to reciprocate, and the transmission shaft 211 drives the screening spindle 212 to reciprocate, so that the screening spindle 212 drives the sieve 220 to swing.

[0047] Specifically, as shown in Figures 3 to 6, the screening main shaft 212 includes a sleeve portion 2121 and a connecting portion 2122. The sleeve portion 2121 is sleeved on the transmission shaft 211 and fixedly matched with the transmission shaft 211. One end of the connecting portion 2122 is connected to the sleeve portion 2121, and the other end is plugged and matched with the sieve 220. The sleeve portion 2121 is sleeved on the transmission shaft 211 and fixedly matched with the transmission shaft 211, thereby realizing the connection between the screening main shaft 212 and the transmission shaft 211. The connecting portion 2122 is plugged and matched with the sieve 220, thereby realizing the connection between the screening main shaft 212 and the sieve 220. That is, the transmission shaft 211 and the sieve 220 are connected by setting the screening main shaft 212.

[0048] Specifically, as shown in Figures 3 to 6, the screening module 200 further includes a sleeve 250, which is sleeved on the transmission shaft 211. The sleeve 250 is provided with an opening, and the sleeve portion 2121 extends through the opening into the interior of the sleeve 250 and is sleeved on the transmission shaft 211. By sleeve 250 being sleeved on the transmission shaft 211, the sleeve 250 plays a certain protective role on the transmission shaft 211, and the sleeve 250 is provided with an opening for the sleeve portion 2121 of the screening main shaft 212 to pass through.

[0049] Specifically, as shown in FIGS. 3 to 6 , the screening module 200 further includes a connecting pipe 260, which is in a constricted shape and includes a large end and a small end, wherein the large end is connected to the screen 220 and the small end is connected to the collecting bucket 230. The connecting pipe 260 is provided to connect the screen 220 and the collecting bucket 230, so that the concrete slurry screened by the screen 220 can flow into the collecting bucket 230.

[0050] More specifically, as shown in Figures 3 to 6, the connecting portion 2122 includes a straight cylindrical portion and a conical portion, the conical portion includes a large end and a small end, the diameter of the straight cylindrical portion is the same as the diameter of the large end of the conical portion, one end of the straight cylindrical portion away from the conical portion is connected to the sieve 220, and the small end of the conical portion is connected to the collecting bucket 230.

[0051] More specifically, the connecting pipe 260 is made of a flexible and concrete-repellent material. When the connecting pipe 260 is processed, the flexible pipe can be processed into a constricted shape, and then a concrete water-repellent agent is applied to the inner wall of the flexible pipe to form the connecting pipe 260.

[0052] Specifically, as shown in Figures 3 to 6, the screening module 200 further includes an anti-funnel 270, which is disposed on the side of the sieve 220 away from the collecting bucket 230, and the anti-funnel 270 includes a large end and a small end, and the small end is connected to the sieve 220. By providing the anti-funnel 270, the accuracy of feeding the slurry to the sieve 220 is improved.

[0053] More specifically, the anti-funnel 270 is in the shape of a truncated cone.

[0054] More specifically, the anti-funnel 270 is made of a hydrophobic material.

[0055] In some embodiments, as shown in FIGS. 1 to 6 , the screening module 200 and the testing module 300 can be installed on the base 100 respectively and replaced according to actual operation steps.

[0056] In some embodiments, the screening module 200 and the test module 300 are installed on the base 100 at the same time and are located at different positions. After the screening module 200 is finished, the test module 300 can be directly used for testing without replacing the screening module 200 with the test module 300.

[0057] In some embodiments, as shown in FIGS. 1 to 6 , the concrete penetration resistance meter further includes a display module 400, which is disposed on the side of the transmission shaft 211 away from the base 100, and includes a housing 410, a display screen 420 and a plurality of buttons 430, both of which are mounted on the housing 410, and the plurality of buttons 430 are used to respond to the user's button 430 operation to start the function corresponding to the content of the button 430, and the driving source 240 is mounted in the housing 410 and is located on the side away from the display screen 420. By setting the display screen 420, it is convenient to display the data during the screening and test time. The plurality of buttons 430 are used to respond to the user's button 430 operation to start the function corresponding to the content of the button 430.

[0058] Specifically, the plurality of buttons 430 include a main power button, a screening start and stop button, a screening speed button, a zeroing button, a setting time test start button, and a probe 310 replacement button.

[0059] In some embodiments, as shown in FIG. 1 and FIG. 2 , the screening module 200 further includes a vibrator 280, which is mounted on the base 100, and the collecting bucket 230 can be disposed on the base 100, and the vibrator 280 can drive the collecting bucket 230 to vibrate. The vibrator 280 is disposed on the base 100, and the vibrator 280 can drive the collecting bucket 230 to vibrate, so as to vibrate and compact the screened concrete slurry in the collecting bucket 230.

[0060] In summary, this application also provides a method for using a concrete penetration resistance meter:

[0061] After the concrete raw materials are stirred, the concrete slurry is placed in the anti-funnel 270, the main power button is turned on, the screening start and stop button is clicked, the driving source 240 is started, and the driving source 240 rotates at a small angle and high frequency, driving the transmission shaft 211 to rotate, and then the screening main shaft 212 drives the sieve 220 to swing left and right. According to the characteristics of the concrete, the screening speed button is adjusted to adjust the shaking frequency of the sieve 220. The screened concrete slurry falls into the setting time bucket through the hydrophobic flexible connecting pipe 260. After the screening is completed, the screening start and stop button is clicked.

[0062] Click the vibration start stop button to vibrate the concrete slurry to make it dense. After the vibration is completed, click the vibration start stop button again to stop the vibration.

[0063] Replace the screening module 200 with the test module 300, and proceed to the next step of setting time measurement. Click the reset part to reset the relevant data to zero, click the setting time test start button, click the probe change button, start the first probe for testing, and after one test, the first probe 310 retracts, and the wiper 330 wipes off the residual concrete slurry on the first probe, ready for the next use; continue testing, and when the penetration resistance data reaches a specific value, click the probe change button again to start the second probe, and repeat the above operation. Similarly, when the penetration resistance data reaches a specific value, click the probe change button again to start the third probe, and repeat the above operation. After the final test is completed, click the power summary to turn off the concrete penetration resistance meter.

[0064] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0065] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A concrete penetration resistance meter, characterized in that: The concrete penetration resistance instrument comprises: Base (100); A screening module (200), comprising a swing arm (210), a sieve (220) and a collecting bucket (230), wherein the swing arm (210) is connected to the base (100), the sieve (220) is connected to the swing arm (210), the swing arm (210) can drive the sieve (220) to swing, and the collecting bucket (230) is arranged below the sieve (220), and the collecting bucket (230) is used to collect concrete slurry after being screened by the sieve (220); A testing module (300) is connected to the base (100), and the testing module (300) is used to test the setting time of the concrete slurry after being screened by the screening module (200).

2. The concrete penetration resistance meter according to claim 1, characterized in that: The screening module (200) further includes a device connected to a driving source (240); The swing arm (210) comprises a transmission shaft (211) and a screening spindle (212) which are arranged at an angle, one end of the transmission shaft (211) is connected to the base (100), and the other end is connected to the output end of the driving source (240), and one end of the screening spindle (212) is connected to the transmission shaft (211), and the other end is connected to the sieve (220).

3. The concrete penetration resistance meter according to claim 2, characterized in that: The screening main shaft (212) comprises a sleeve portion (2121) and a connecting portion (2122); the sleeve portion (2121) is sleeved on the transmission shaft (211) and fixedly matched with the transmission shaft (211); one end of the connecting portion (2122) is connected to the sleeve portion (2121), and the other end is plug-fitted with the sieve (220).

4. The concrete penetration resistance meter according to claim 3, characterized in that: The screening module (200) further comprises a sleeve (250), wherein the sleeve (250) is sleeved on the transmission shaft (211), an opening is provided on the sleeve (250), and the sleeve portion (2121) extends through the opening into the interior of the sleeve (250) and is sleeved on the transmission shaft (211).

5. The concrete penetration resistance meter according to claim 2, characterized in that: The invention also comprises a display module (400), wherein the display module (400) is arranged on a side of the transmission shaft (211) away from the base (100), and the display module (400) comprises a housing (410), a display screen (420) and a plurality of buttons (430), wherein the display screen (420) and the plurality of buttons (430) are both mounted on the housing (410), and the plurality of buttons (430) are used to respond to a user's button (430) operation to start a function corresponding to the content of the button (430), and the driving source (240) is mounted in the housing (410) and is located on a side away from the display screen (420).

6. The concrete penetration resistance meter according to claim 1, characterized in that: The screening module (200) further comprises a connecting pipe (260), the connecting pipe (260) is in a constricted shape, the connecting pipe (260) comprises a large end and a small end, the large end is connected to the screen (220), and the small end is connected to the collecting bucket (230).

7. The concrete penetration resistance meter according to claim 1, characterized in that: The screening module (200) further comprises an anti-funnel (270), wherein the anti-funnel (270) is arranged on a side of the screen (220) away from the collecting bucket (230), and the anti-funnel (270) comprises a large end and a small end, wherein the small end is connected to the screen (220).

8. The concrete penetration resistance meter according to claim 1, characterized in that: The screening module (200) further comprises a vibrating member (280), wherein the vibrating member (280) is mounted on the base (100), the collecting bucket (230) can be arranged on the base (100), and the vibrating member (280) can drive the collecting bucket (230) to vibrate.

9. The concrete penetration resistance meter according to claim 1, characterized in that: The test module (300) comprises a plurality of measuring needles (310) with different test functions, and the plurality of measuring needles (310) can be switched so that one of the measuring needles (310) extends into the concrete slurry in the collection bucket (230).

10. The concrete penetration resistance meter according to claim 9, characterized in that: The test module (300) further comprises a mounting member (320) and a wiping member (330) connected to each other, wherein the mounting member (320) is sleeved on the measuring needle (310), and the wiping member (330) is used to wipe the concrete slurry remaining on the measuring needle (310) after the testing of the measuring needle (310) is completed.