Mixing device for roadbed cement soil construction

By introducing an annular scraper and a synchronously adjustable mixing paddle structure into the mixing device, the problems of mortar adhesion and uneven mixing were solved, achieving full mixing and efficient blending of cement raw materials.

CN223607687UActive Publication Date: 2025-11-28CHINA CONSTR ROAD & BRIDGE GRP NO 4 ENG CO LTD
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Patent Information

Application Number
CN202520267946.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-11-28
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Existing mixing equipment often results in mortar adhering to the inner wall of the equipment during use, affecting the mixing quality and efficiency, and the limited mixing range leads to uneven mortar mixing.

Method used

A mixing device including an annular scraper, a mixing paddle, and a guide groove was designed. The annular scraper cleans the mortar on the inner wall, and the gear rack and cylinder work together to achieve synchronous adjustment and reverse rotation of the mixing paddle, ensuring the full mixing of cement raw materials.

Benefits of technology

Effective cleaning of the inner wall mortar ensures uniform mixing of cement raw materials, improves mixing quality and efficiency, and prevents mortar from adhering to the inner wall and affecting the use of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mixing device for roadbed cement soil construction, which comprises a fixing frame, a stirring tank is fixedly mounted on the fixing frame, a mounting frame is mounted on the fixing frame in a sliding manner, a mounting seat is rotatably mounted in the mounting frame, a fixing seat is rotatably mounted in the mounting seat, a guide rail is fixedly mounted in the fixing seat, and the guide rail is movably mounted in the mounting seat. Three groups of annularly distributed sliding rods are arranged in the fixed seat, first stirring paddles are arranged at one ends, far away from the guide rail, of the three groups of sliding rods, an adjusting disc is rotationally mounted in the fixed seat, guide rods are fixedly mounted on the three groups of sliding rods, and three groups of annularly distributed guide grooves are formed in the adjusting disc; an annular scraping plate is arranged on the mounting base, the annular scraping plate and the first stirring paddle are correspondingly arranged, and the arranged annular scraping plate is attached to the inner wall of the stirring tank, so that the annular scraping plate can clean mortar attached to the inner wall of the stirring tank in the process of rotating on the mounting frame along with the mounting base.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roadbed cement construction, and particularly relates to a mixing device for roadbed cement soil construction. BACKGROUND

[0002] Cement can be mixed with soil in the roadbed to form a solid concrete structure, thereby significantly improving the mechanical properties of the roadbed. Through the solidification of cement, the bearing capacity and stability of the roadbed are enhanced, which can better withstand the load of vehicles and pedestrians, reduce the settlement and deformation of the road surface, and the mixing device needs to be used to complete the auxiliary mixing of cement raw materials during roadbed cement construction.

[0003] The mixing device used in the prior art has the problem that mortar raw materials adhere to the inner wall of the device during use, which not only affects the cement mixing quality and efficiency, but also causes part of the mortar to solidify in the device, affecting the subsequent normal use of the device. During the mixing process, the mortar outside the tank body cannot be fully stirred as the mortar inside the device because of the limited mixing range, and the cement mixing quality is different. SUMMARY

[0004] The utility model discloses a kind of mixing devices for roadbed cement soil construction, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of mixing device for roadbed cement soil construction, including fixed frame, the fixed frame is fixedly installed with stirring tank, the fixed frame is slidably installed with mounting bracket, the mounting bracket is rotatably installed with mounting seat in, the mounting seat is rotatably installed with fixed seat in, the fixed seat is fixedly installed with guide rail in, the fixed seat is equipped with three groups of annular distribution's slide bar, three groups of the slide bar are slidably connected with guide rail, the first stirring paddle is equipped at the end of three groups of the slide bar away from guide rail, the fixed seat is rotatably installed with adjusting disc, three groups of the slide bar are all fixedly installed with guide rod, the adjusting disc is equipped with three groups of annular distribution's guide slot, three groups of the guide slot are correspondingly arranged with slide bar, the guide rod is slidably connected with adjusting disc by corresponding guide slot, the mounting seat is equipped with annular scraper, the annular scraper is rotatably connected with mounting seat by pivot, the annular scraper is correspondingly arranged with first stirring paddle.

[0006] As a further preferred embodiment of the present technical solution, a first gear is fitted on the annular scraper, a first rack is slidably installed in the mounting seat, the first rack is meshingly connected with the first gear, a first cylinder is provided in the mounting seat, and the output end of the first rack is connected with the piston rod of the first cylinder.

[0007] As a further preferred of the technical solution, the adjusting disc is sleeved with a second gear, the fixed seat is slidably provided with a second rack, the second rack is in meshing connection with the second gear, the fixed seat is provided with a second cylinder, and the second rack is connected with the output end of the piston rod of the second cylinder.

[0008] As a further preferred of the technical solution, the fixed frame is provided with a lead screw, both ends of the lead screw are respectively penetrated through the fixed frame and are in rotary connection with the fixed frame through bearings, and the lead screw is penetrated through the mounting frame and is in threaded connection with the mounting frame.

[0009] As a further preferred of the technical solution, the mounting seat is rotatably provided with a mounting rod, the mounting rod is penetrated through the fixed seat and is in rotary connection with the fixed seat, the mounting rod is penetrated through the adjusting disc and is in rotary connection with the adjusting disc, a second stirring paddle is fixedly installed below the mounting rod, a first tooth disc is sleeved on the fixed seat, a second tooth disc is sleeved on the mounting rod, and the first tooth disc and the second tooth disc are correspondingly arranged.

[0010] As a further preferred of the technical solution, the mounting seat is provided with a tooth column, the tooth column is in rotary connection with the mounting seat through a rotating shaft, the tooth column is located between the first tooth disc and the second tooth disc, and the tooth column is in meshing connection with the first tooth disc and the second tooth disc respectively.

[0011] The utility model provides a kind of mixing device for roadbed cement soil construction, with the following beneficial effects:

[0012] (1) the utility model discloses an annular scraper is attached with the inner wall of stirring tank by being provided, so that the annular scraper is realized to the cleaning of mortar adhered on the inner wall of stirring tank in the process that mounting seat rotates on mounting frame, and the position of annular scraper is adjusted by the cooperation of first rack and first gear, so that the annular scraper is corresponded and attached with first stirring paddle after a period of time, and the mortar adhered on the annular scraper is removed in the process that first stirring paddle rotates, guarantee that all cement raw materials in mixing device are fully mixed, and the influence caused by the bonding of mortar on the inner wall of stirring tank on normal use of stirring tank is avoided.

[0013] (2) the utility model discloses the rotation of adjusting disc in fixed seat, cooperation guide groove, guide rod and guide rail realize the synchronous sliding of three groups of slide rods in fixed seat or synchronous inwards, and then realize the synchronous adjustment of the position of three groups of first stirring paddle in stirring tank, and then cooperate first tooth disc, second tooth disc and tooth column, so that three groups of first stirring paddle are self-generated rotation and stirring in each position in stirring tank, and the rotating direction of second stirring paddle and first stirring paddle on mounting seat is opposite, realize the bidirectional stirring and uniform stirring of cement raw materials in stirring tank, guarantee that raw materials are fully and evenly mixed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure schematic view of the utility model;

[0015] Figure 2 It is the structure schematic view of the mounting frame of the utility model;

[0016] Figure 3 It is the structure schematic view of the mounting seat of the utility model;

[0017] Figure 4 It is the structure schematic view of the first stirring paddle of the utility model;

[0018] Figure 5 It is the structure schematic view of the utility model Figure 4 The structure enlarged view of A place;

[0019] In the drawing: 1, fixed frame; 2, stirring tank; 3, mounting frame; 4, screw rod; 5, mounting seat; 6, fixed seat; 7, mounting rod; 8, first tooth disc; 9, tooth column; 10, annular scraper; 11, first gear; 12, first rack; 13, first air cylinder; 14, guide rail; 15, sliding rod; 16, adjusting disc; 17, guide rod; 18, guide groove; 19, second gear; 20, second rack; 21, second air cylinder; 22, first stirring paddle; 23, second stirring paddle; 24, second tooth disc. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] The utility model provides technical scheme: such as Figure 1 , Figure 2 and Figure 3As shown in the embodiment, the mixing device for subgrade cement soil construction comprises a fixing frame 1, a stirring tank 2 fixedly installed on the fixing frame 1, a mounting frame 3 slidingly installed on the fixing frame 1, a mounting seat 5 rotatably installed in the mounting frame 3, a fixing seat 6 rotatably installed in the mounting seat 5, a guide rail 14 fixedly installed in the fixing seat 6, three groups of slide rods 15 annularly arranged in the fixing seat 6, the three groups of slide rods 15 being slidingly connected with the guide rail 14 respectively, the three groups of slide rods 15 being provided with first stirring paddles 22 at one ends away from the guide rail 14 respectively, an adjusting disc 16 rotatably installed in the fixing seat 6, guide rods 17 fixedly installed on the three groups of slide rods 15 respectively, three groups of guide grooves 18 annularly arranged on the adjusting disc 16, the three groups of guide grooves 18 being correspondingly arranged with the slide rods 15, the guide rods 17 being slidingly connected with the adjusting disc 16 through the corresponding guide grooves 18 respectively, an annular scraper 10 provided on the mounting seat 5 and rotatably connected with the mounting seat 5 through a rotating shaft, the annular scraper 10 being correspondingly arranged with the first stirring paddles 22, the annular scraper 10 and the first stirring paddles 22 and second stirring paddles 23 being driven by the mounting frame 3 to extend into the stirring tank 2 to realize mixing of cement under the limiting action of the fixing frame 1, the annular scraper 10 being rotated with the mounting seat 5 during rotation of the mounting seat 5 driven by the motor in the mounting frame 3, and the mortar attached to the inner wall of the stirring tank 2 being scraped off during rotation of the annular scraper 10, so as to avoid accumulation or adhesion of the mortar on the inner wall of the stirring tank 2, the annular scraper 10 being sleeved with a first gear 11, a first rack 12 slidingly installed in the mounting seat 5 and meshingly connected with the first gear 11, a first cylinder 13 provided in the mounting seat 5 and having an output end connected with the first rack 12, the first cylinder 13 driving the first rack 12 to slide after the annular scraper 10 is used for a period of time, the first gear 11 being cooperated to make the annular scraper 10 deflect at an angle and be attached to the first stirring paddles 22.

[0022] As Figure 4 and Figure 5As shown, the second gear 19 is sleeved on the adjusting disc 16, the second rack 20 is slidingly installed in the fixed seat 6, the second rack 20 is in meshing connection with the second gear 19, the second cylinder 21 is arranged in the fixed seat 6, the second rack 20 is connected with the output end of the piston rod of the second cylinder 21, the lead screw 4 is arranged in the fixed frame 1, the two ends of the lead screw 4 respectively penetrate through the fixed frame 1 and are rotatably connected with the fixed frame 1 through bearings, the lead screw 4 penetrates through the mounting bracket 3 and is threadedly connected with the mounting bracket 3, the mounting rod 7 is rotatably installed in the mounting seat 5, the mounting rod 7 penetrates through the fixed seat 6 and is rotatably connected with the fixed seat 6, the mounting rod 7 penetrates through the adjusting disc 16 and is rotatably connected with the adjusting disc 16, the second stirring paddle 23 is fixedly installed below the mounting rod 7, the first tooth disc 8 is sleeved on the fixed seat 6, the second tooth disc 24 is sleeved on the mounting rod 7, the first tooth disc 8 and the second tooth disc 24 are correspondingly arranged, the tooth column 9 is arranged in the mounting seat 5, the tooth column 9 is rotatably connected with the mounting seat 5 through a rotating shaft, the tooth column 9 is located between the first tooth disc 8 and the second tooth disc 24, the tooth column 9 is in meshing connection with the first tooth disc 8 and the second tooth disc 24 respectively, when the tooth column 9 is driven by the motor to rotate in the mounting seat 5, the mounting rod 7 and the fixed seat 6 in the mounting seat 5 are synchronously and reversely rotated in cooperation with the first tooth disc 8 and the second tooth disc 24, thereby reversely rotating the corresponding second stirring paddle 23 and the first stirring paddle 22 on the mounting seat 5, the mortar attached to the annular scraper 10 which is in contact with the first stirring paddle 22 is cleaned down in the rotating process of the first stirring paddle 22, so as to avoid the attachment of the mortar on the annular scraper 10 and the inner wall of the stirring tank 2, and in the process of mixing the mortar in the stirring tank 2 by the first stirring paddle 22, the second cylinder 21 in the fixed seat 6 drives the second rack 20 to slide, cooperates with the second gear 19 to make the adjusting disc 16 rotate in the fixed seat 6, cooperates with the guide groove 18 arranged on the adjusting disc 16 and the guide rod 17 on the sliding rod 15, so that the plurality of sliding rods 15 synchronously slide inwards or outwards on the guide rail 14, and drives the three groups of first stirring paddles 22 to move in the stirring tank 2, completes the stirring of the mortar at each position in the stirring tank 2, ensures the sufficient stirring of the mortar at each position in the stirring tank 2, and ensures the quality of cement mixing.

[0023] The utility model provides a kind of mixing device for roadbed cement soil construction, specific working principle is as follows: by motor in fixed frame 1 drive screw rod 4 rotation, under the limiting action of fixed frame 1 makes that mounting bracket 3 drive annular scraper 10 and first stirring paddle 22 and second stirring paddle 23 extend into mixing tank 2 and realize the mixing of cement, in the rotation process of motor in mounting bracket 3 drive mounting seat 5 rotation process, annular scraper 10 rotates along with it, and in the rotation process of annular scraper 10, the mortar attached on the inner wall of mixing tank 2 that is attached therewith is scraped, avoid the accumulation or bonding of mortar on the inner wall of mixing tank 2, after annular scraper 10 uses a period of time, first cylinder 13 in mounting seat 5 drive first rack 12 sliding, cooperate first gear 11 to make that annular scraper 10 deflection angle, and with first stirring paddle 22 attachment, when motor in mounting seat 5 drive tooth column 9 rotation, cooperate first tooth disc 8 and second tooth disc 24 to make that mounting rod 7 and fixed seat 6 in mounting seat 5 synchronous reverse rotation, further drive corresponding second stirring paddle 23 and first stirring paddle 22 reverse rotation on mounting seat 5, first stirring paddle 22 rotation process will be attached on the mortar of annular scraper 10 that is attached therewith, avoid the attachment of mortar on annular scraper 10 and the inner wall of mixing tank 2, and in the process that first stirring paddle 22 mixes mortar in mixing tank 2, second cylinder 21 in fixed seat 6 drive the sliding of second rack 20, cooperate second gear 19 to make that adjusting disc 16 rotates in fixed seat 6, cooperate the guide groove 18 that is opened on adjusting disc 16 and the guide rod 17 on slide bar 15, make that multiple slide bars 15 are synchronous in guide rail 14 Inward or outward sliding, and drive three groups of first stirring paddle 22 move in mixing tank 2, complete the stirring of mortar in each position in mixing tank 2, guarantee the full stirring of mortar in each position in mixing tank 2, guarantee the quality of cement mixing.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mixing device for roadbed cement-soil construction, comprising a fixing frame (1), characterized in that: A mixing tank (2) is fixedly installed on the fixed frame (1). A mounting frame (3) is slidably installed on the fixed frame (1). A mounting base (5) is rotatably installed inside the mounting frame (3). A fixed base (6) is rotatably installed inside the mounting base (5). A guide rail (14) is fixedly installed inside the fixed base (6). Three sets of circularly distributed sliding rods (15) are provided inside the fixed base (6). The three sets of sliding rods (15) are slidably connected to the guide rail (14). A first stirring paddle (22) is provided at the end of each of the three sets of sliding rods (15) away from the guide rail (14). (6) An adjusting plate (16) is rotatably installed inside. Guide rods (17) are fixedly installed on each of the three sets of slide rods (15). The adjusting plate (16) has three sets of annularly distributed guide grooves (18). The three sets of guide grooves (18) are correspondingly arranged with the slide rods (15). The guide rods (17) are slidably connected to the adjusting plate (16) through the corresponding guide grooves (18). The mounting base (5) is provided with an annular scraper (10). The annular scraper (10) is rotatably connected to the mounting base (5) through a rotating shaft. The annular scraper (10) is correspondingly arranged with the first stirring paddle (22).

2. The mixing device for roadbed cement-soil construction according to claim 1, characterized in that: The annular scraper (10) is fitted with a first gear (11), and a first rack (12) is slidably installed in the mounting base (5). The first rack (12) meshes with the first gear (11). The mounting base (5) is provided with a first cylinder (13), and the first rack (12) is connected to the output end of the piston rod of the first cylinder (13).

3. The mixing device for roadbed cement-soil construction according to claim 1, characterized in that: The adjusting plate (16) is fitted with a second gear (19), and a second rack (20) is slidably installed in the fixed seat (6). The second rack (20) is meshed with the second gear (19). The fixed seat (6) is provided with a second cylinder (21), and the second rack (20) is connected to the output end of the piston rod of the second cylinder (21).

4. The mixing device for roadbed cement-soil construction according to claim 1, characterized in that: The fixing frame (1) is provided with a lead screw (4). The two ends of the lead screw (4) pass through the fixing frame (1) and are rotatably connected to the fixing frame (1) through bearings. The lead screw (4) passes through the mounting frame (3) and is threadedly connected to the mounting frame (3).

5. A mixing device for roadbed cement-soil construction according to claim 1, characterized in that: An installation rod (7) is rotatably installed inside the mounting base (5). The installation rod (7) passes through the fixed base (6) and is rotatably connected to the fixed base (6). The installation rod (7) passes through the adjusting plate (16) and is rotatably connected to the adjusting plate (16). A second stirring paddle (23) is fixedly installed below the installation rod (7). A first toothed disc (8) is sleeved on the fixed base (6). A second toothed disc (24) is sleeved on the installation rod (7). The first toothed disc (8) and the second toothed disc (24) are arranged in a corresponding manner.

6. The mixing device for roadbed cement-soil construction according to claim 1, characterized in that: The mounting base (5) is provided with a toothed column (9), which is rotatably connected to the mounting base (5) via a rotating shaft. The toothed column (9) is located between the first toothed disc (8) and the second toothed disc (24), and is meshed with the first toothed disc (8) and the second toothed disc (24) respectively.