Composite dry-mixed lightweight aggregate concrete mixing device for building backfill

Abstract

The utility model belongs to the technical field of building material stirring, and particularly relates to a composite dry-mixed lightweight aggregate concrete stirring device for building backfill. Comprising a torque output mechanism, a stirring tank and a fixed ring frame, the stirring tank is of a rotary body structure, and a rotating shaft connected with the torque output mechanism penetrates through the rotating center of the stirring tank; the outer wall of the stirring tank is in contact with the fixed ring frame, and the stirring tank is rotatably kept in the fixed ring frame; a feed port is formed in the top of the stirring tank, a discharge port is formed in the bottom of the stirring tank, and openable and closable gates are mounted on the feed port and the discharge port; the part of the rotating shaft in the stirring tank is connected with a stirring mechanism; one end of the rotating shaft away from the torque output mechanism is connected with the stirring tank through a first bracket; the stirring tank also rotates while the rotating shaft drives the stirring mechanism; the stirring tank and the stirring mechanism act cooperatively, and materials are mixed in multiple directions; and the stirring tank and the stirring mechanism are driven by the same torque output mechanism, so that the action coordination is good, and the mechanical structure is simple.

Description

Technical Field

[0001] The utility model belongs to the technical field of building material mixing, and in particular relates to a composite dry-mixed lightweight aggregate concrete mixing device for building backfill. Background Art

[0002] Composite dry-mixed lightweight aggregate is a composite of crushed waste polyurethane particles and inorganic cementitious materials (single component), which can be mixed with water at the construction site. Composite dry-mixed lightweight aggregate concrete has the characteristics of light weight, good thermal insulation and fire resistance, etc. It is widely used in industrial and civil buildings and other projects, which can reduce the weight of the structure, improve the seismic performance of the structure, save material consumption, improve the efficiency of component transportation and hoisting, reduce foundation load and improve building functions (thermal insulation and fire resistance, etc.).

[0003] In the existing composite dry-mixed lightweight aggregate concrete mixing devices, the internal stirring rods are mostly fixedly arranged, and the stirring range is fixed, resulting in poor stirring effect. Therefore, a composite dry-mixed lightweight aggregate concrete mixing device for building backfill is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problem of uneven mixing of the existing composite dry-mixed lightweight aggregate concrete mixing device.

[0005] The utility model provides the following technical scheme: a composite dry-mixed lightweight aggregate concrete mixing device for building backfill, comprising a torque output mechanism, a stirring tank and a fixed ring frame; the stirring tank is a rotating body structure, and a rotating shaft connected to the torque output mechanism passes through the rotation center of the stirring tank; the outer wall of the stirring tank is in contact with the fixed ring frame, and the stirring tank is rotatably held in the fixed ring frame; a feed port is provided at the top of the stirring tank, and a discharge port is provided at the bottom of the stirring tank, and gates that can be opened and closed are installed on the feed port and the discharge port; a portion of the rotating shaft located in the stirring tank is connected to the stirring mechanism; an end of the rotating shaft away from the torque output mechanism is connected to the stirring tank through a first bracket; and the stirring tank also rotates while the rotating shaft drives the stirring mechanism.

[0006] Furthermore, the stirring mechanism includes a first stirring part and a second stirring part, the first stirring part is a scraper, the scraper is in contact with the inner wall of the stirring tank, the two ends of the scraper are respectively connected to the first sleeve and the second sleeve on the rotating shaft, the first sleeve and the second sleeve are inserted into the stirring tank, the first sleeve and the second sleeve are circumferentially fixed relative to the rotating shaft, and the first sleeve and the second sleeve can rotate freely relative to the stirring tank;

[0007] An outer gear ring is sleeved on the second sleeve, and the outer gear ring is connected to the rotating shaft through a gear set, and the rotating shaft drives the mixing tank and the scraper to rotate in opposite directions.

[0008] Furthermore, the gear set includes an inner gear ring and an idler wheel, the idler wheel is mounted on the fixed ring frame through a third bracket, and the inner gear ring is mounted on the rotating shaft through a second bracket.

[0009] Furthermore, the second stirring part includes a transfer case, a driving gear, a stirring rod, two stirring shafts and two driven gears; the driving gear is fixed on the rotating shaft, the stirring shaft is perpendicular to the rotating shaft, one end of the two stirring shafts extends into the transfer case from opposite directions, the other ends of the two stirring shafts are connected to the scraper through a rotating joint, the driven gear on the stirring shaft is meshed with the driving gear, and the stirring rod is fixed on the stirring shaft.

[0010] Furthermore, a frame with wheels is installed at the bottom of the fixed ring frame.

[0011] Furthermore, the torque output mechanism is a reduction motor, and the reduction motor is supported by the frame.

[0012] Furthermore, the stirring rod comprises a main stirring rod and a supporting stirring rod, the main stirring rod is vertically connected to the stirring shaft, the supporting stirring rod is distributed on the main stirring rod, and the supporting stirring rod is vertical to the main stirring rod.

[0013] Furthermore, the stirring tank is an ellipsoidal spherical shell.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] The utility model provides a composite dry-mixed lightweight aggregate concrete mixing device for building backfill, wherein a stirring tank, a scraper and a stirring rod act in coordination, the stirring tank turns the internal materials up and down when rotating, the scraper peels off the materials on the inner wall of the stirring tank to prevent adhesion, the stirring rod stirs the materials horizontally, and the materials are mixed in multiple directions; and the stirring tank, the scraper and the stirring rod are driven by the same set of torque output mechanism, the action coordination is good, and the mechanical structure is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 Schematic diagram of the position of the inner gear ring and the outer gear ring.

[0018] In the figure: 1-fixed ring frame; 2-frame; 3-wheel; 4-mixing tank; 5-feeding port; 6-discharging port; 7-torque output mechanism; 8-rotating shaft; 9-first bracket; 10-first sleeve; 11-second bracket; 12-outer gear ring; 13-idler gear; 14-third bracket; 15-inner gear ring; 16-scraper; 17-driving gear; 18-mixing shaft; 19-main mixing rod; 20-support mixing rod; 21-bearing; 22-transfer case; 23-driven gear; 24-second sleeve. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] like Figure 1 As shown: A composite dry-mixed lightweight aggregate concrete mixing device for building backfill, comprising a torque output mechanism 7, a mixing tank 4 and a fixed ring frame 1; the mixing tank 4 is a rotating body structure, specifically, the mixing tank 4 is an elliptical spherical shell. The rotating shaft 8 connected to the torque output mechanism 7 passes through the rotation center of the mixing tank 4; the outer wall of the mixing tank 4 contacts the fixed ring frame 1, and the mixing tank 4 is rotatably retained in the fixed ring frame 1; the mixing tank 4 is provided with a feed inlet 5 on the top and a discharge port 6 on the bottom, and both the feed inlet 5 and the discharge port 6 are equipped with gates that can be opened and closed; the part of the rotating shaft 8 located in the mixing tank 4 is connected to the mixing mechanism; the end of the rotating shaft 8 away from the torque output mechanism 7 is connected to the mixing tank 4 through the first bracket 9; the mixing tank 4 also rotates while the rotating shaft 8 drives the mixing mechanism.

[0021] The stirring mechanism includes a first stirring part and a second stirring part. The first stirring part is a scraper 16. The scraper 16 is in contact with the inner wall of the stirring tank 4. Both ends of the scraper 16 are respectively connected to the first sleeve 10 and the second sleeve 24 on the rotating shaft 8. The first sleeve 10 and the second sleeve 24 are inserted into the stirring tank 4. The first sleeve 10 and the second sleeve 24 are circumferentially fixed relative to the rotating shaft 8. The first sleeve 10 and the second sleeve 24 can rotate freely relative to the stirring tank 4.

[0022] The second sleeve 24 is sleeved with an outer gear ring 12 , which is connected to the rotating shaft 8 through a gear set. The rotating shaft 8 drives the mixing tank 4 and the scraper 16 to rotate in opposite directions.

[0023] The gear set includes an inner gear ring 15 and an idler wheel 13. The idler wheel 13 is mounted on the fixed ring frame 1 through the third bracket 14, and the inner gear ring 15 is mounted on the rotating shaft 8 through the second bracket 11. When the rotating shaft 8 rotates, the torque is transmitted to the mixing tank 4 through the first bracket 9, and the mixing tank 4 rotates in the first direction. The rotating shaft 8 transmits the torque to the inner gear ring 15 through the second bracket 11. The inner gear ring 15 meshes with the outer gear ring 12 through the idler wheel 13. When the inner gear ring 15 transmits the torque to the outer gear ring 12, the rotation direction is changed, and the outer gear ring 12 rotates in the second direction, which is opposite to the first direction. The torque of the outer gear ring 12 is directly transmitted to the scraper 16, and the scraper 16 and the mixing tank 4 rotate in the opposite direction.

[0024] The second stirring part includes a transfer case 22, a driving gear 17, a stirring rod, two stirring shafts 18 and two driven gears 23; the driving gear 17 is fixed on the rotating shaft 8, the stirring shaft 18 is perpendicular to the rotating shaft 8, one end of the two stirring shafts 18 extends into the transfer case 22 from opposite directions, the other ends of the two stirring shafts 18 are connected to the scraper 16 through a rotary joint, the transfer case 22 and the stirring shaft 18 are connected through a bearing 21, the driven gear 23 on the stirring shaft 18 is meshed with the driving gear 17, and the stirring rod is fixed on the stirring shaft 18. When the scraper 16 rotates, the scraper 16 drives the two stirring shafts 18 and the transfer case 22 to rotate around the rotating shaft 8, and at the same time, the torque of the rotating shaft 8 is distributed to the stirring shaft 18 through the driving gear 17 and the driven gear 23, and the stirring shaft 18 drives the stirring rod to rotate.

[0025] The stirring rods include a main stirring rod 19 and a supporting stirring rod 20 . The main stirring rod 19 is vertically connected to the stirring shaft 18 . The supporting stirring rods 20 are distributed on the main stirring rod 19 and are vertical to the main stirring rod 19 .

[0026] A vehicle frame 2 with wheels 3 is installed at the bottom of the fixed ring frame 1 .

[0027] The torque output mechanism 7 is a reduction motor, and the reduction motor is supported by the frame 2 .

[0028] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A composite dry-mixed lightweight aggregate concrete mixing device for building backfill, characterized in that: The invention comprises a torque output mechanism (7), a stirring tank (4) and a fixed ring frame (1); the stirring tank (4) is a rotating body structure, and a rotating shaft (8) connected to the torque output mechanism (7) passes through the rotation center of the stirring tank (4); the outer wall of the stirring tank (4) contacts the fixed ring frame (1), and the stirring tank (4) is rotatably held in the fixed ring frame (1); a feed inlet (5) is provided at the top of the stirring tank (4), and a discharge port (6) is provided at the bottom, and both the feed inlet (5) and the discharge port (6) are provided with gates that can be opened and closed; the part of the rotating shaft (8) located in the stirring tank (4) is connected to the stirring mechanism; the end of the rotating shaft (8) away from the torque output mechanism (7) is connected to the stirring tank (4) through a first bracket (9); and the stirring tank (4) rotates while the rotating shaft (8) drives the stirring mechanism.

2. A composite dry-mixed lightweight aggregate concrete mixing device for building backfill according to claim 1, characterized in that: The stirring mechanism comprises a first stirring part and a second stirring part, the first stirring part is a scraper (16), the scraper (16) is in contact with the inner wall of the stirring tank (4), the two ends of the scraper (16) are respectively connected to a first sleeve (10) and a second sleeve (24) on the rotating shaft (8), the first sleeve (10) and the second sleeve (24) are inserted into the stirring tank (4), the first sleeve (10) and the second sleeve (24) are circumferentially fixed relative to the rotating shaft (8), and the first sleeve (10) and the second sleeve (24) can rotate freely relative to the stirring tank (4); The second sleeve (24) is sleeved with an outer gear ring (12), which is connected to the rotating shaft (8) through a gear set, and the rotating shaft (8) drives the mixing tank (4) and the scraper (16) to rotate in opposite directions.

3. A composite dry-mixed lightweight aggregate concrete mixing device for building backfill according to claim 2, characterized in that: The gear set comprises an inner gear ring (15) and an idler wheel (13); the idler wheel (13) is mounted on the fixed ring frame (1) via a third bracket (14); and the inner gear ring (15) is mounted on the rotating shaft (8) via a second bracket (11).

4. A composite dry-mixed lightweight aggregate concrete mixing device for building backfill according to claim 2 or 3, characterized in that: The second stirring part comprises a transfer case (22), a driving gear (17), a stirring rod, two stirring shafts (18) and two driven gears (23); the driving gear (17) is fixed on the rotating shaft (8), the stirring shaft (18) is perpendicular to the rotating shaft (8), one end of the two stirring shafts (18) extends into the transfer case (22) from opposite directions, the other ends of the two stirring shafts (18) are connected to the scraper (16) through a rotating joint, the driven gear (23) on the stirring shaft (18) is meshed with the driving gear (17), and the stirring rod is fixed on the stirring shaft (18).

5. The composite dry-mixed lightweight aggregate concrete mixing device for building backfill according to claim 1, characterized in that: A vehicle frame (2) with wheels (3) is installed at the bottom of the fixed ring frame (1).

6. A composite dry-mixed lightweight aggregate concrete mixing device for building backfill according to claim 5, characterized in that: The torque output mechanism (7) is a reduction motor, and the reduction motor is supported by the vehicle frame (2).

7. The composite dry-mixed lightweight aggregate concrete mixing device for building backfill according to claim 4, characterized in that: The stirring rod comprises a main stirring rod (19) and a supporting stirring rod (20). The main stirring rod (19) is vertically connected to the stirring shaft (18). The supporting stirring rod (20) is distributed on the main stirring rod (19) and is vertical to the main stirring rod (19).

8. The composite dry-mixed lightweight aggregate concrete mixing device for building backfill according to claim 1, characterized in that: The stirring tank (4) is an elliptical spherical shell.

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