Cleaning device for concrete gas content tester
By improving the snap-fit structure between the tray and the bracket and the design of the screw lifting plate, the problems of sponge layer wear affecting the cleaning effect and support frame instability were solved, resulting in improved cleaning effect and operational stability, and reduced equipment maintenance costs.
Patent Information
- Application Number
- CN202422966616.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-03
AI Technical Summary
In existing cleaning devices for concrete air content measuring instruments, the fit between the sponge layer and the edge of the measuring bowl decreases with wear, affecting the cleaning effect. Furthermore, the connection stability between the support frame and the mounting base is insufficient, resulting in high equipment cost and unstable operation.
The device employs a snap-fit structure between the tray and the bracket, combined with the design of the lead screw and the lifting plate. The motor drives the cleaning sponge brush to fit tightly against the measuring bowl opening, and the cooperation of the positioning column and the locking plate improves the connection stability, extends the service life of the sponge brush, and enhances the operational stability of the device.
This improved cleaning performance and reduced equipment costs, while also enhancing the operational stability of the device, extending the replacement cycle of the sponge brush, and reducing maintenance costs.
Smart Images

Figure CN223556629U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to concrete measuring equipment cleaning technical field, concretely is a kind of cleaning device for concrete air content measuring instrument. BACKGROUND
[0002] Concrete air content measuring instrument is used to measure the air content in mixture, and concrete can be divided into two components, namely coarse aggregate and mortar, and the size of coarse aggregate particle size has little direct influence on air content, and the introduced bubbles are distributed in the fine particles of concrete, i.e., mortar, and the performance of mortar determines the performance of the entire concrete. During measurement, the concrete mixture is evenly loaded into a measuring bowl, and then vibrated on a vibration table. Then, the concrete is scraped flat to make the surface smooth and bubble-free, and a towel is used to repeatedly clean the excess concrete at the mouth of the measuring bowl. After the bowl cover is combined with the measuring bowl cover, the air content is measured.
[0003] In order to facilitate the cleaning of the rim of the measuring bowl, a special cleaning device is used to wipe and clean the concrete on the rim of the measuring bowl. For example, a measuring bowl cleaning device for concrete air content measuring instrument disclosed in publication No. CN212550881U relates to the technical field of concrete measuring equipment. It includes a cylindrical bowl body and a bowl mouth. A support frame is detachably fixed to the bowl body. A rotatable mounting plate is provided on the support frame, and the rotational axis of the mounting plate coincides with the axis of the bowl mouth. A cotton brush is provided on the mounting plate, and the end of the cotton brush close to the bowl mouth can be tightly attached to the step surface.
[0004] In actual use, the applicant found that the sponge and the rim of the measuring bowl are fitted together, but during actual cleaning, as the sponge layer is worn out with use, the pressure between the sponge layer and the rim of the measuring bowl decreases, which affects the cleaning effect of the sponge layer. At this time, a new sponge layer needs to be replaced, the sponge layer replacement cycle is short, the equipment cost is high, and the support frame and the mounting seat are connected in the above-mentioned structure by plug-in connection, and are fixed by cooperating with a magnet for auxiliary adsorption. However, due to the operation of the motor in actual use, the connection part is prone to up-and-down movement, and the connection stability needs to be improved. In order to solve the above-mentioned problems, a cleaning device for concrete air content measuring instrument is provided. UTILITY MODEL CONTENTS
[0005] The utility model aims to solve the above-mentioned problems and provides a cleaning device for concrete air content measuring instrument.
[0006] The utility model discloses a technical scheme as follows: A cleaning device for concrete air content tester, including concrete air content tester's measuring bowl and support, its characterized in that: the outer wall of the measuring bowl is fixedly connected with the supporting plate, the upper surface of the supporting plate is provided with the clamping hole, the lower part both ends of the support are all fixedly installed with the positioning column, the positioning column is matched with the clamping hole and is connected, the lower part both ends of the support are all fixedly connected with the L type lock plate, the bottom of the lock plate is connected with the abutting bolt, the upper portion of the support is rotatably installed with the lead screw, the lead screw is connected with the lifting plate, the lifting plate is fixedly installed with the motor, the output shaft of the motor is fixedly installed with the rotating plate, the bottom both sides of the rotating plate are fixedly connected with the internal thread column, the internal thread column is connected with the cleaning sponge brush, the bottom of the cleaning sponge brush is close to the bowl mouth end surface of the measuring bowl.
[0007] In a preferred embodiment, one side of the lifting plate is slidingly connected with a guide rod, and the guide rod is fixedly installed on the support.
[0008] In a preferred embodiment, a through hole is formed in the top of the support, and the motor penetrates through the through hole.
[0009] In a preferred embodiment, two opposite outer side walls of the support are fixedly connected with lifting plates.
[0010] In a preferred embodiment, the cleaning sponge brush comprises a base plate, an external thread column and a sponge layer, the sponge layer is adhered to the base plate, the external thread column is fixedly installed on the base plate, and the external thread column is threadedly connected with the internal thread column.
[0011] In summary, due to the adoption of the above technical scheme, the utility model has the beneficial effects that:
[0012] 1. In the utility model, the lifting plate is driven downward by the lead screw, so that the cleaning sponge brush can closely contact the bowl mouth of the measuring bowl, sufficient pressing force is ensured, cleaning effect is ensured, the cleaning sponge brush can be fully compressed, the wear and replacement period of the cleaning sponge brush is prolonged, and equipment use cost can be effectively reduced.
[0013] 2. In the utility model, the positioning column of the support is connected with the clamping hole of the supporting plate, so that the position of the support is limited, then the abutting bolt is rotated to abut against the bottom of the supporting plate, so that the up-down position of the support is limited, the connection firmness and stability of the support and the supporting plate are improved, and the operation stability of the entire cleaning device is ensured. ACCURACY OF DRAWINGS
[0014] Figure 1 The utility model is a three-dimensional structure schematic diagram;
[0015] Figure 2The front view structural schematic diagram of the utility model;
[0016] Figure 3 The utility model discloses Figure 2 A place amplification diagram of the A of the utility model.
[0017] Marked in the drawing: 1 - measure bowl, 2 - support, 3 - support plate, 4 - card hole, 5 - positioning column, 6 - screw rod, 7 - lifting plate, 8 - motor, 9 - rotating plate, 10 - internal thread column, 11 - cleaning sponge brush, 12 - lock plate, 13 - abutting bolt, 15 - guide rod, 16 - through -hole, 17 - lifting plate, 18 - base plate, 19 - external thread column, 20 - sponge layer. Specific embodiments
[0018] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making the creative labor are within the protection scope of the utility model.
[0019] The concrete air content measuring instrument cleaning device of the utility model embodiment will be described in detail below. Figures 1-3
[0020] Embodiment:
[0021] The concrete air content measuring instrument cleaning device provided by the utility model embodiment, as shown in reference Figures 1 to 3 The utility model discloses
[0022] Wherein the above structure before cleaning, personnel can rotate the screw rod 6 rotation, using the screw rod 6 drive lifting plate 7 down, so that the cleaning sponge brush 11 can be closely attached to the bowl 1 bowl, so as to ensure enough down pressure, ensure cleaning effect, at the same time, the above device can fully compress the use of cleaning sponge brush 11, thereby prolonging the cleaning sponge brush 11 wear replacement cycle, can effectively reduce the equipment use cost.
[0023] Reference Figures 1 to 3 As shown, the upper surface of the supporting plate 3 is provided with a clamping hole 4, the lower ends of the bracket 2 are fixedly provided with a positioning column 5, the positioning column 5 is clamped with the clamping hole 4, the lower ends of the bracket 2 are fixedly connected with an L-shaped locking plate 12, and the bottom of the locking plate 12 is threadedly connected with a clamping bolt 13. In this structure, the positioning column 5 of the bracket 2 is clamped with the clamping hole 4 of the supporting plate 3, so as to limit the position of the four sides of the bracket 2, and then the clamping bolt 13 is rotated to tightly clamp the bottom of the supporting plate 3, so as to limit the up-down position of the bracket 2, thereby improving the connection stability of the bracket 2 and the supporting plate 3, and ensuring the stable operation of the whole cleaning device.
[0024] It should be noted that the distance between the lower end surface of the positioning column 5 and the locking plate 12 is greater than the thickness of the supporting plate 3.
[0025] Reference Figures 1 to 3 As shown, the lifting plate 7 is slidably connected with a guide rod 15, and the guide rod 15 is fixedly installed on the bracket 2. This structure utilizes the guide rod 14 to guide the up-down movement of the lifting plate 7.
[0026] Reference Figures 1 to 3 As shown, the top of the bracket 2 is provided with a through hole 16, and the motor 8 penetrates through the through hole 16. This structure avoids the interference between the bracket 2 and the motor 8.
[0027] Reference Figures 1 to 3 As shown, the opposite two outer side walls of the bracket 2 are fixedly connected with a lifting plate 17. This structure utilizes the lifting plate 17 to facilitate the lifting of the whole cleaning device.
[0028] Reference Figures 1 to 3 As shown, the cleaning sponge brush 11 comprises a base plate 18, an outer threaded column 19 and a sponge layer 20. The sponge layer 20 is adhered to the base plate 18, and the outer threaded column 19 is fixedly installed on the base plate 18. The outer threaded column 19 is threadedly connected with the inner threaded column 10. In this structure, the outer threaded column 19 on the base plate 18 is connected with the inner threaded column 10, so as to connect the sponge layer 20 with the rotating plate 9, and this structure facilitates the disassembly and replacement of the cleaning sponge brush 11.
[0029] The implementation principle of the cleaning device for the concrete air content measuring instrument is as follows: in use, a staff lifts the support 2, the positioning column 5 of the support 2 is clamped with the clamping hole 4 of the supporting plate 3, then the abutting bolt 13 is rotated to abut the bottom of the supporting plate 3, so as to fix the support 2 on the supporting plate 3, then the screw rod 6 is rotated to rotate, the lifting plate 7 is driven to move down by the screw rod 6, so that the cleaning sponge brush 11 can be tightly attached to the bowl opening of the measuring bowl 1, then the motor 8 is started to drive the rotating plate 9 to rotate, the rotating plate 9 drives the cleaning sponge brush 11 to rotate around the bowl opening of the measuring bowl 1 to wipe and clean, so as to automatically clean the bowl opening of the measuring bowl.
[0030] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A cleaning device for a concrete air content meter comprising a concrete air content meter bowl (1) and a stand (2), characterized in that: The outer wall of the amount bowl (1) is relatively fixedly connected with a supporting plate (3), the upper surface of the supporting plate (3) is provided with a clamping hole (4), the lower ends of the support (2) are fixedly provided with a positioning column (5), the positioning column (5) is clamped with the clamping hole (4), the upper portion of the support (2) is rotatably provided with a lead screw (6), the lead screw (6) is threadedly connected with a lifting plate (7), the lifting plate (7) is fixedly provided with a motor (8), the output shaft of the motor (8) is fixedly provided with a rotating plate (9), the bottom of the rotating plate (9) is fixedly connected with an internally threaded column (10), the internally threaded column (10) is threadedly connected with a cleaning sponge brush (11), and the bottom of the cleaning sponge brush (11) is tightly attached to the bowl opening end surface of the amount bowl (1). The lower ends of the support (2) are fixedly connected with an L-shaped locking plate (12), and the bottom of the locking plate (12) is threadedly connected with a pressing bolt (13).
2. A cleaning device for a concrete air content gauge as defined in claim 1, characterized in that: One side of the lifting plate (7) is slidably connected with a guide rod (15), and the guide rod (15) is fixedly installed on the support (2).
3. A cleaning device for a concrete air content gauge as defined in claim 1, wherein: The top of the support (2) is provided with a through hole (16), and the motor (8) penetrates through the through hole (16).
4. The cleaning device for a concrete air content meter of claim 1, wherein: The opposite two outer side walls of the support (2) are fixedly connected with the lifting plate (17).
5. The cleaning device for a concrete air content meter of claim 1, wherein: The cleaning sponge brush (11) comprises a base plate (18), an externally threaded column (19) and a sponge layer (20), the sponge layer (20) is attached to the base plate (18), the externally threaded column (19) is fixedly installed on the base plate (18), and the externally threaded column (19) is threadedly connected with the internally threaded column (10).
Citation Information
Patent Citations
Measuring bowl cleaning device for concrete gas content tester
CN212550881U