Concrete mixing equipment for municipal engineering construction

By using the synchronous rotation of the active pulley and driven pulley in the concrete mixing equipment for municipal engineering construction, combined with the collision of the rubber hammer and the screening box, the screening and mixing of concrete raw materials is achieved, solving the problems of concrete raw materials agglomeration and large particles, and improving the quality of concrete and equipment efficiency.

CN222874941UActive Publication Date: 2025-05-16WUHAN MUNICIPAL ENG MECHANIZED CONSTR CO LTD
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Patent Information

Application Number
CN202421799521.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-05-16
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

It is difficult for existing concrete mixing equipment for municipal engineering construction to effectively deal with the agglomeration and large particles of concrete raw materials during the mixing process, resulting in a decline in concrete quality.

Method used

A concrete mixing equipment for municipal engineering construction was designed, and the synchronous rotation of the active pulley and driven pulley was adopted. Through the collision of the rubber hammer and the screening box, the screening and mixing of concrete raw materials was realized to ensure full mixing of concrete.

Benefits of technology

It effectively avoids the problem of insufficient mixing caused by the agglomeration of concrete raw materials, improves the quality of concrete and the satisfaction of use requirements, and reduces equipment costs and improves work efficiency.

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Abstract

The utility model relates to the technical field of concrete mixing, and discloses concrete mixing equipment for municipal engineering construction.The concrete mixing equipment comprises a bottom plate and a connecting belt, the left side of the top of the bottom plate is fixedly connected with a fixing frame, and the left side of the fixing frame is fixedly connected with a driving motor; the output end of the driving motor penetrates through the fixing frame and is fixedly connected with a driving belt wheel, the middle upper portion of the right side of the fixing frame is rotationally connected with a driven belt wheel, the driving belt wheel is in transmission connection with the driven belt wheel through the connecting belt, and the right side of the driven belt wheel is fixedly connected with a rubber hammer. The outer side of the fixing frame is fixedly connected with a connecting frame. According to the concrete raw material screening device, the rubber hammer rotates to collide with the screening box, so that the screening box is pushed to shake on the front side and the rear side, concrete raw materials poured into the screening box are shaken through shaking of the screening box, caked raw materials are screened, and insufficient mixing caused by caking of the concrete raw materials is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete mixing, in particular to concrete mixing equipment for municipal engineering construction. Background Art

[0002] Municipal engineering refers to the scope of urban infrastructure construction and management. It covers the planning, design, construction, operation and maintenance of various public facilities within the city to ensure the normal operation of urban residents' lives and improve the quality of life in the city.

[0003] In the process of municipal engineering construction, municipal engineering construction concrete mixing equipment is one of the indispensable equipment. Municipal engineering construction concrete mixing equipment is equipment specially used for on-site concrete preparation and mixing, usually called concrete mixer truck or concrete mixer. These equipment are widely used in urban infrastructure construction, such as road construction, bridge engineering and building construction.

[0004] In the prior art, when using concrete mixing equipment, the driving device drives the stirring blade to rotate, thereby stirring the concrete. However, during the stirring, lumps and large particles of raw materials will appear in the concrete raw materials. It is difficult to fully mix them by directly stirring them, resulting in a decrease in the quality of the concrete and failure to meet the use requirements. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a concrete mixing equipment for municipal engineering construction, aiming to improve the problem in the prior art that lumps and large particles appear in the concrete raw materials, which are difficult to fully mix by directly stirring them, resulting in a decrease in the quality of the concrete.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a concrete mixing equipment for municipal engineering construction, comprising a base plate and a connecting belt, a fixing frame is fixedly connected to the top left side of the base plate, a driving motor is fixedly connected to the left side of the fixing frame, an output end of the driving motor passes through the fixing frame and is fixedly connected to a driving pulley, a driven pulley is rotatably connected to the middle and upper right side of the fixing frame, the driving pulley is transmission-connected to the driven pulley through the connecting belt, a rubber hammer is fixedly connected to the right side of the driven pulley, a connecting frame is fixedly connected to the outer side of the fixing frame, a vertical plate is fixedly connected to the outer side of the connecting frame, a spring is fixedly connected to the outer side of the vertical plate, a screening box is fixedly connected to the end of the spring, a tank body is arranged in the middle of the top wall of the base plate, a stirring mechanism is arranged on the top of the tank body, and the stirring mechanism is used to stir concrete.

[0007] As a further description of the above technical solution:

[0008] The stirring mechanism includes a worm, the left side of the worm is fixedly connected to the right side of the driving pulley, the bottom of the connecting frame is rotatably connected to a worm wheel, the worm is meshingly connected to the worm wheel, the bottom of the worm wheel is fixedly connected to a gear, the top wall of the tank body is provided with an internal gear ring, the internal gear ring is meshingly connected to the gear, the bottom of the internal gear ring is fixedly connected to a fixing rod, and the outer side of the fixing rod is fixedly connected to a stirring blade.

[0009] As a further description of the above technical solution:

[0010] An annular groove is provided on the top of the outer wall of the tank body, and the bottom of the inner gear ring is slidably connected to the annular groove.

[0011] As a further description of the above technical solution:

[0012] A sliding block is fixedly connected to the bottom of the screening box, a sliding groove is provided on the top wall of the connecting frame, and the sliding block is slidably connected to the sliding groove.

[0013] As a further description of the above technical solution:

[0014] The bottom of the bottom plate is fixedly connected with bottom pads all around, and the ends of the bottom pads are equipped with supporting legs.

[0015] As a further description of the above technical solution:

[0016] The bottom of the base pad adopts an anti-slip design.

[0017] As a further description of the above technical solution:

[0018] Air bags are installed at both ends of the rubber hammer.

[0019] As a further description of the above technical solution:

[0020] The two springs are symmetrically designed.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the rotation of the driving pulley is synchronously rotated by the driven pulley linked by the connecting belt, and the rotation of the rubber hammer collides with the screening box, thereby pushing the front and rear sides of the screening box to shake. The shaking of the screening box causes the concrete raw materials poured therein to shake, and the agglomerated raw materials are screened, thereby avoiding insufficient mixing due to agglomeration of concrete raw materials, and further avoiding the problem of reduced concrete quality, and can meet the use requirements.

[0023] 2. In the utility model, the rotation of the worm is meshed with the worm wheel, thereby driving the worm wheel and the gear to rotate synchronously, and the concrete in the tank body is stirred by the movement of the stirring blade. The stirring process can be carried out synchronously during the screening process. There is no need to separate the screening process and the stirring process as in the traditional technology, which improves the work efficiency. In addition, only one motor is used as the driving source, and no other electrical equipment is required to assist in use, which greatly reduces the equipment cost and brings convenience to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a concrete mixing device for municipal engineering construction proposed by the utility model;

[0025] Figure 2 This is an exploded view of the local structure of a concrete mixing equipment for municipal engineering construction proposed by the utility model;

[0026] Figure 3 This is a disassembled diagram of the mixing mechanism of a concrete mixing device for municipal engineering construction proposed by the utility model.

[0027] Legend:

[0028] 1. Bottom plate; 2. Stirring mechanism; 201. Worm; 202. Worm wheel; 203. Gear; 204. Stirring blade; 205. Internal gear ring; 206. Fixed rod; 3. Bottom pad; 4. Fixed frame; 5. Connecting frame; 6. Slide; 7. Leg; 8. Tank body; 9. Airbag; 10. Rubber hammer; 11. Driven pulley; 12. Connecting belt; 13. Driving motor; 14. Active pulley; 15. Sliding block; 16. Screening box; 17. Vertical plate; 18. Spring; 19. Ring groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1 , Figure 2 and Figure 3The utility model provides an embodiment: a concrete mixing device for municipal engineering construction, comprising a bottom plate 1 and a connecting belt 12, a fixing frame 4 is fixedly connected to the top left side of the bottom plate 1, a driving motor 13 is fixedly connected to the left side of the fixing frame 4, an output end of the driving motor 13 passes through the fixing frame 4 and is fixedly connected to a driving pulley 14, a driven pulley 11 is rotatably connected to the middle and upper part of the right side of the fixing frame 4, the driving pulley 14 is connected to the driven pulley 11 through the connecting belt 12, and the right side of the driven pulley 11 is fixedly connected There is a rubber hammer 10, the outer side of the fixing frame 4 is fixedly connected with a connecting frame 5, the outer side of the connecting frame 5 is fixedly connected with a vertical plate 17, the outer side of the vertical plate 17 is fixedly connected with a spring 18, the end of the spring 18 is fixedly connected with a screening box 16, a tank body 8 is arranged in the middle of the top wall of the bottom plate 1, a stirring mechanism 2 is arranged on the top of the tank body 8, and the stirring mechanism 2 is used for stirring concrete; a slider 15 is fixedly connected to the bottom of the screening box 16, a slide groove 6 is provided on the top wall of the connecting frame 5, and the slider 15 is slidably connected with the slide groove 6; the two springs 18 are symmetrically designed;

[0031] Specifically, after the driving motor 13 starts working, the active pulley 14 will start to rotate accordingly; the active pulley 14 is closely connected to the driven pulley 11 through the connecting belt 12 to ensure the synchronous rotation between the two. This design effectively utilizes the stability of the belt drive to ensure the continuity and uniformity of the screening process; as the driven pulley 11 rotates, the rubber hammer 10 also starts to rotate synchronously; the rubber hammer 10 is a key component in the screening process, and its design fully considers the collision effect with the screening box 16; the rotation of the rubber hammer 10 collides with the screening box 16, generating a weak vibration, which can effectively promote the front and rear sides of the screening box 16 to shake; this shaking not only helps the concrete raw materials in the screening box 16 to shake, but also makes it easier for small particles and powdered raw materials to fall from the screening box 16; the shaking of the screening box 16 is achieved by the sliding of the slider 15 in the slide groove 6 The design of the slide 6 fully considers the stability and smoothness of sliding, ensuring that the screening box 16 can move along a predetermined trajectory during the shaking process; this planned movement trajectory not only helps the smooth progress of the screening process, but also effectively prevents the screening box 16 from overturning or shifting during the shaking process; through the shaking of the screening box 16, the concrete raw materials therein are fully shaken; this shaking makes it easier for small particles and powder raw materials to fall from the screening box 16, while the agglomerated raw materials are retained in the screening box 16; this screening method effectively avoids the problem of insufficient mixing due to the agglomeration of concrete raw materials, thereby ensuring the quality of concrete.

[0032] Reference Figure 1 and Figure 3The stirring mechanism 2 includes a worm 201, the left side of the worm 201 is fixedly connected to the right side of the driving pulley 14, the bottom of the connecting frame 5 is rotatably connected with a worm wheel 202, the worm 201 is meshedly connected with the worm wheel 202, the bottom of the worm wheel 202 is fixedly connected with a gear 203, the top wall of the tank body 8 is provided with an inner gear ring 205, the inner gear ring 205 is meshedly connected with the gear 203, the bottom of the inner gear ring 205 is fixedly connected with a fixing rod 206, and the outer side of the fixing rod 206 is fixedly connected with a stirring blade 204; the top of the outer wall of the tank body 8 is provided with an annular groove 19, and the bottom of the inner gear ring 205 is slidably connected with the annular groove 19;

[0033] Specifically, when the driving pulley 14 starts to rotate, it will drive the worm 201 to rotate synchronously; the worm 201 is uniquely designed, and its spiral tooth surface is tightly meshed with the tooth surface of the worm wheel 202, forming an efficient transmission method; as the worm 201 rotates, the worm wheel 202 also starts to rotate synchronously; the worm wheel 202 and the gear 203 transmit the rotational power to the gear 203 through precise meshing transmission; the gear 203 is a key component of this system, and its rotation will drive the inner gear ring 205 meshing with it to rotate synchronously; the design of the inner gear ring 205 cleverly combines the characteristics of rotation and sliding; while rotating, it will also slide in the tank body 8, and this sliding not only plans the rotation trajectory of the inner gear ring 205 , and also ensures that the stirring blades 204 are evenly distributed in the tank body 8; the stirring blades 204 are connected to the fixing rod 206 and move synchronously with the rotation of the inner gear ring 205; the shape and number of these stirring blades 204 are carefully designed to ensure that they can effectively stir the concrete in the tank body 8; during the movement of the stirring blades 204, they will evenly stir the concrete in the tank body 8; this stirring method can not only make the concrete more uniform, but also avoid the accumulation or agglomeration of concrete in the tank body 8; at the same time, since the moving trajectory of the stirring blades 204 is determined by the rotation trajectory of the inner gear ring 205, the stirring blades 204 can perform all-round stirring in the tank body 8, ensuring that the stirring effect of the concrete is more ideal.

[0034] Reference Figure 1 and Figure 2 The bottom of the bottom plate 1 is fixedly connected with a bottom pad 3 around the bottom, and a leg 7 is installed at the end of the bottom pad 3; the bottom of the bottom pad 3 adopts an anti-slip design; air bags 9 are installed at both ends of the rubber hammer 10;

[0035] Specifically, the cooperation between the legs 7 and the bottom pad 3 with an anti-slip design increases the stability of the device during operation, and the airbag 9 reduces noise and friction.

[0036] Working principle: before mixing concrete, pour the concrete raw materials into the screening box 16, turn on the driving motor 13 to drive the active pulley 14 to rotate, the rotation of the active pulley 14 is linked to the driven pulley 11 through the connecting belt 12 to rotate synchronously, the rotation of the driven pulley 11 is linked to the rubber hammer 10 to rotate synchronously, the rotation of the rubber hammer 10 collides with the screening box 16, thereby pushing the front and rear sides of the screening box 16 to shake, the shaking of the screening box 16 drives the slider 15 to slide in the chute 6, and the moving trajectory of the screening box 16 is planned, and the concrete raw materials poured therein are shaken by the shaking of the screening box 16, so that small particles and powder raw materials fall from the screening box 16, and the agglomerated raw materials are screened;

[0037] When the driving pulley 14 rotates, the worm 201 rotates together with it, and the rotation of the worm 201 is meshed with the worm wheel 202, thereby driving the worm wheel 202 and the gear 203 to rotate synchronously, and the rotation of the gear 203 is meshed with the inner gear ring 205, thereby driving the fixed rod 206 and the stirring blade 204 to move synchronously, and slide in the tank body 8 when the inner gear ring 205 rotates, and the rotation trajectory of the inner gear ring 205 is planned, and the concrete in the tank body 8 is stirred by the movement of the stirring blade 204.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete mixing device for municipal engineering construction, comprising a base plate (1) and a connecting belt (12), characterized in that: A fixing frame (4) is fixedly connected to the left side of the top of the bottom plate (1), a driving motor (13) is fixedly connected to the left side of the fixing frame (4), an output end of the driving motor (13) passes through the fixing frame (4) and is fixedly connected to a driving pulley (14), a driven pulley (11) is rotatably connected to the middle and upper part of the right side of the fixing frame (4), the driving pulley (14) is transmission-connected to the driven pulley (11) through the connecting belt (12), a rubber hammer (10) is fixedly connected to the right side of the driven pulley (11), a connecting frame (5) is fixedly connected to the outside of the fixing frame (4), a vertical plate (17) is fixedly connected to the outside of the connecting frame (5), a spring (18) is fixedly connected to the outside of the vertical plate (17), a screening box (16) is fixedly connected to the end of the spring (18), a tank body (8) is arranged in the middle of the top wall of the bottom plate (1), a stirring mechanism (2) is arranged on the top of the tank body (8), and the stirring mechanism (2) is used for stirring concrete.

2. A concrete mixing equipment for municipal engineering construction according to claim 1, characterized in that: The stirring mechanism (2) comprises a worm (201), the left side of the worm (201) is fixedly connected to the right side of the driving pulley (14), the bottom of the connecting frame (5) is rotatably connected to a worm wheel (202), the worm (201) is meshingly connected to the worm wheel (202), the bottom of the worm wheel (202) is fixedly connected to a gear (203), the top wall of the tank body (8) is provided with an inner tooth ring (205), the inner tooth ring (205) is meshingly connected to the gear (203), the bottom of the inner tooth ring (205) is fixedly connected to a fixing rod (206), and the outer side of the fixing rod (206) is fixedly connected to a stirring blade (204).

3. A concrete mixing device for municipal engineering construction according to claim 2, characterized in that: An annular groove (19) is provided on the top of the outer wall of the tank body (8), and the bottom of the inner gear ring (205) is slidably connected to the annular groove (19).

4. The concrete mixing equipment for municipal engineering construction according to claim 1, characterized in that: A sliding block (15) is fixedly connected to the bottom of the screening box (16), a sliding groove (6) is provided on the top wall of the connecting frame (5), and the sliding block (15) is slidably connected to the sliding groove (6).

5. The concrete mixing equipment for municipal engineering construction according to claim 1, characterized in that: The bottom of the bottom plate (1) is fixedly connected to a bottom pad (3) on all sides, and a support leg (7) is installed at the end of the bottom pad (3).

6. A concrete mixing device for municipal engineering construction according to claim 5, characterized in that: The bottom of the base pad (3) adopts an anti-slip design.

7. The concrete mixing equipment for municipal engineering construction according to claim 1, characterized in that: Air bags (9) are installed at both ends of the rubber hammer (10).

8. The concrete mixing equipment for municipal engineering construction according to claim 1, characterized in that: The two springs (18) are symmetrically designed.