CN220517174U - Mixing equipment for rubber/fiber cement stable base layer mixture - Google Patents

Abstract

The utility model discloses a mixing device for a rubber/fiber cement stable base layer mixture, which comprises a longitudinal supporting cylinder with two open ends, wherein a mixing barrel capable of rotating around the longitudinal supporting cylinder is sleeved on the longitudinal supporting cylinder, and a feeding port communicated with the inside of the mixing barrel is formed in the side wall of the bottom of the longitudinal supporting cylinder; a fiber disperser is arranged in the longitudinal supporting cylinder; the fiber disperser comprises an upper conveyor belt, a lower conveyor belt, a rolling comb shaft and comb teeth. The equipment can uniformly mix the rubber/fiber cement stabilized base mixture, improves the dispersibility of the rubber particles and the high-strength fibers mixed into the cement stabilized base mixture, obviously improves the preparation efficiency of the mixture, ensures the construction quality of the rubber/fiber cement stabilized base, and provides a new thought and a new method for the on-site mixing and indoor preparation research of the rubber/fiber cement stabilized base mixture.

Description

Mixing equipment for rubber/fiber cement stable base layer mixture

Technical Field

The utility model belongs to the technical field of road engineering, relates to a mixture stirring device, and in particular relates to a rubber/fiber cement stabilized base mixture stirring device.

Background

The traditional cement stabilized base layer has high strength and poor toughness, so that cracking and arch expansion diseases are frequently generated, and the service quality and the service life of the pavement are seriously influenced. In order to delay the cracking of the base layer, the high-elasticity rubber particles and high-strength fibers with certain drawknot capability are mixed into the cement stable base layer so as to effectively improve the toughness of the cement stable base layer, and meanwhile, a large amount of waste tires can be consumed, so that the solid waste is recycled. In the mixing process of the rubber/fiber cement stabilized base mixture, the phenomenon of agglomeration is easy to occur due to poor self-dispersibility of fibers, the friction force between rubber particles and aggregates is large, the rubber particles and aggregates are difficult to uniformly distribute after the cement stabilized base mixture is added, the toughness of the rubber/fiber cement stabilized base is not improved enough, the conventional mixing equipment is complicated in feeding and taking processes, the uniformity of the obtained mixture is poor, and the construction quality and the test progress of the base are seriously affected.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a rubber/fiber cement stable base layer mixture mixing device, which solves the technical problem that the dispersion capability of the mixture mixing device in the prior art for the rubber/fiber cement stable base layer mixture is to be further improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the mixing equipment for the rubber/fiber cement stabilized base mixture comprises a longitudinal supporting cylinder with two open ends, wherein a mixing barrel capable of rotating around the longitudinal supporting cylinder is sleeved on the longitudinal supporting cylinder, and a feeding port communicated with the inside of the mixing barrel is formed in the side wall of the bottom of the longitudinal supporting cylinder; a fiber disperser is arranged in the longitudinal supporting cylinder.

The fiber disperser comprises a chute underframe placed in a longitudinal supporting cylinder, a pair of parallel chutes are longitudinally formed in the chute underframe, the vertical bottom ends of support sliding rails are installed in the chutes, and the vertical top ends of the support sliding rails are fixedly installed on a supporting shaft of a lower conveying belt, so that the lower conveying belt can longitudinally slide on the chute underframe.

The upper conveyor belt is arranged above the lower conveyor belt, the upper conveyor belt and the lower conveyor belt are both conveyed along the transverse direction, and the support shaft on one side of the upper conveyor belt is connected with the support shaft on one side of the lower conveyor belt through a hinge, so that the upper conveyor belt can turn over relative to the lower conveyor belt.

The lower conveyor belt is provided with a pair of rolling comb support frames, a rolling comb shaft is rotatably arranged between the top ends of the pair of rolling comb support frames, the rolling comb shaft is longitudinally arranged, a plurality of rows of comb teeth are uniformly arranged on the rolling comb shaft, and the comb teeth are radially arranged; a fiber stripping plate parallel to the rolling comb shaft is fixedly arranged between the top ends of the pair of rolling comb support frames, the fiber stripping plate is positioned on one side of the rolling comb support frames far away from the lower conveying belt, fiber stripping seams corresponding to the comb teeth are formed in the fiber stripping plate, and the rolling comb shaft can enter the fiber stripping seams in the rolling process, but is not in contact with the fiber stripping seams.

The utility model also has the following technical characteristics:

grooves are formed in the upper conveying belt and the lower conveying belt along the conveying direction, the grooves are matched with the comb teeth in position, and the comb teeth can enter the grooves.

An inner wall brush is arranged on the longitudinal supporting cylinder in the mixing barrel. The inner wall brush comprises a rigid support with one end fixed on the longitudinal supporting cylinder, the rigid support is arranged along the radial direction, and the other end of the rigid support is provided with a rubber brush which is contacted with the inner wall of the mixing barrel.

The inner wall of the mixing barrel is provided with a triangular bulge and a spherical bulge.

The rear end face of the mixing barrel is provided with a discharge gate through a hinge and a locking buckle.

The device comprises a base, and is characterized by further comprising a base, wherein a portal frame, a first triangular support frame and a second triangular support frame are vertically and fixedly arranged on the base, and are sequentially and parallelly arranged from front to back along the longitudinal direction; the first triangular support frame and the second triangular support frame are fixedly provided with longitudinal support cylinders, and a mixing barrel is sleeved on the longitudinal support cylinders between the first triangular support frame and the second triangular support frame.

The lower part of the portal frame is fixedly provided with a motor, the output shaft of the motor is provided with a driving gear, and the driving gear is meshed and transmitted with a driven gear ring arranged on the outer side wall of the mixing barrel, so that the mixing barrel is driven to rotate around the longitudinal supporting barrel by the rotation of the motor.

The top of the portal frame is provided with a feed chute and a water inlet tank, and the feed chute passes through the front end of the longitudinal supporting cylinder through the guide cylinder and is connected with the feed inlet; the water inlet groove is connected with the feed inlet through the front end of the longitudinal supporting cylinder by the water inlet pipe.

Compared with the prior art, the utility model has the following technical effects:

the equipment disclosed by the utility model can be used for uniformly mixing the rubber/fiber cement stabilized base mixture, improving the dispersibility of the rubber particles and the high-strength fibers in the cement stabilized base mixture, obviously improving the preparation efficiency of the mixture, ensuring the construction quality of the rubber/fiber cement stabilized base, and providing a new thought and a new method for on-site mixing and indoor preparation research of the rubber/fiber cement stabilized base mixture.

The equipment disclosed by the utility model can be used for rapidly, efficiently and uniformly mixing the rubber/fiber cement stabilized base mixture, and fills the blank in the field of rubber/fiber cement stabilized base mixture mixing equipment.

The equipment can realize the automatic mixing of the rubber/fiber cement stable base layer mixture, is provided with the feeding guide groove, the water inlet groove and the discharging valve, has convenient and quick feeding and discharging processes, is simple and easy to understand in key-type operation, saves tedious steps, and saves a large amount of manpower and time.

The equipment adopts a rolling mixing mode, and the triangular protrusions and the circular protrusions are arranged in the rolling barrel, so that uniformity in the stirring process is guaranteed, and compared with the traditional stirring mixing mode, the equipment can enable bottom fine materials to be mixed more fully, and is beneficial to improving the quality of a base layer.

The device is provided with the fiber disperser, the gradual supply of the fibers is realized through the upper and lower conveyor belts, the bundle-shaped fibers are combed and torn apart through the rolling comb, the dispersibility of the fibers in the cement stabilizing mixture is improved, and the fiber drawknot function is fully exerted.

The equipment is provided with the inner wall brush, so that the adhesion of aggregate on the wall of the mixing barrel is reduced, the stability of the grading of the mixture is ensured, and meanwhile, the interior of the mixing barrel is convenient to clean.

The structural form of the component fiber disperser contained in the equipment can be independently applied to a construction site, the equal proportion of the structural form is amplified, the bottom of the bracket is welded right above a stirrer in a site stirring station, and the combed fibers are scattered freely above a mixture for uniform stirring.

Drawings

Fig. 1 is a schematic view of the overall structure of a view angle of the present utility model.

Fig. 2 is a schematic overall structure of another view of the present utility model.

Fig. 3 is a schematic view of the structure of the feed inlet at the lower part of the longitudinal support cylinder.

Fig. 4 is a schematic structural view of the fiber disperser.

Fig. 5 is a schematic view of the structure of the rolling cylinder and the comb teeth.

Fig. 6 is a schematic view of the structure of the interior of the mixing drum.

Fig. 7 is a drawing showing a pulled-out state of the fiber disperser.

Fig. 8 is a schematic view of the fiber dispenser in an open state.

Fig. 9 is a schematic diagram of a fiber dispenser in combination with an in situ agitation bin.

Fig. 10 is an enlarged partial schematic view of fig. 9.

The meaning of each reference numeral in the figures is: 1-a longitudinal supporting cylinder, 2-a mixing barrel, 3-a feeding hole, 4-a fiber disperser, 5-a base frame, 6-a motor, 7-a driving gear, 8-a driven gear ring, 9-a feeding groove, 10-a water inlet groove, 11-a material guiding barrel, 12-a water inlet pipe, 13-a water inlet valve, 14-a controller, 15-a welding frame and 16-a mixing bin.

201-inner wall brushes, 20101-rigid brackets, 20102-rubber brushes; 202-triangular bulge, 203-spherical bulge, 204-hinge, 205-locking buckle and 206-discharge gate.

401-chute underframe, 402-chute, 403-bracket slide rail, 404-lower conveyor belt, 405-upper conveyor belt, 406-hinge, 407-rolling comb support frame, 408-rolling comb shaft, 409-comb teeth, 410-fiber peeling plate, 411-fiber peeling slit, 412-groove, 413-pull handle.

504-base, 502-portal, 503-first tripod, 504-second tripod.

The following examples illustrate the utility model in further detail.

Detailed Description

All the components in the present utility model are known in the art unless otherwise specified.

The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solutions of the present application fall within the protection scope of the present utility model.

Examples:

the embodiment provides a mixing device for a rubber/fiber cement stabilized base mixture, which is shown in fig. 1 and 2, and comprises a longitudinal supporting cylinder 1 with two open ends, wherein a mixing barrel 2 capable of rotating around the longitudinal supporting cylinder 1 is sleeved on the longitudinal supporting cylinder 1, and a feeding hole 3 communicated with the inside of the mixing barrel 2 is formed in the side wall of the bottom of the longitudinal supporting cylinder 1 as shown in fig. 3; within the longitudinal support cylinder 1 is placed a fibre disperser 4.

As shown in fig. 4, the fiber disperser 4 includes a chute chassis 401, a pair of parallel chutes 402 are longitudinally provided on the chute chassis 401, vertical bottom ends of support slide rails 403 are mounted in the chutes 402, and vertical top ends of the support slide rails 403 are fixedly mounted on a support shaft of a lower conveyor belt 404, so that the lower conveyor belt 404 can longitudinally slide on the chute chassis 401.

As shown in fig. 4, an upper conveyor belt 405 is disposed above the lower conveyor belt 404, and the upper conveyor belt 405 and the lower conveyor belt 404 are both conveyed along the lateral direction, and a support shaft on one side of the upper conveyor belt 405 is connected to a support shaft on one side of the lower conveyor belt 404 by a hinge 406, so that the upper conveyor belt 405 can be turned over relative to the lower conveyor belt 404.

As shown in fig. 5, a pair of rolling comb support frames 407 are mounted on a support shaft on the other side of the lower conveyor belt 404 far from the hinge 406, rolling comb shafts 408 are rotatably mounted between the top ends of the pair of rolling comb support frames 407, the rolling comb shafts 408 are longitudinally arranged, a plurality of rows of comb teeth 409 are uniformly arranged on the rolling comb shafts 408, and the comb teeth 409 are radially arranged; a fiber peeling plate 410 parallel to the rolling comb shaft 408 is fixedly installed between the top ends of the pair of rolling comb support frames 407, the fiber peeling plate 410 is located on one side, far away from the lower conveyor belt 404, of the rolling comb support frames 407, fiber peeling slits 411 corresponding to the comb teeth 409 are formed in the fiber peeling plate 410, and the comb teeth 409 can enter the fiber peeling slits 411 in the rolling process of the rolling comb shaft 408, but are not in contact with the fiber peeling slits 411.

As a preferable scheme of this embodiment, as shown in fig. 4, grooves 412 are formed on the upper conveyor belt 405 and the lower conveyor belt 404 along the conveying direction, the grooves 412 are matched with the positions of the comb teeth 409, and the comb teeth 409 can enter the grooves 412, so as to be convenient for contacting and combing down the conveyed fibers. The upper conveyor belt 405 and the lower conveyor belt 404 are made of rubber materials.

In this embodiment, the upper belt 405 is provided at its longitudinal rear end with a pulling handle 413.

In this embodiment, the upper and lower conveyors 405, 404 are used to stepwise transport the fibers to the teeth 409. The upper and lower conveyors 405, 404 are used to deposit fibrous material when separated.

In this embodiment, the fiber peeling plate 410 is used to peel off the fibers adhered to the comb 409.

In this embodiment, the rolling comb shaft 408 is driven in linkage with the lower conveyor belt 404, and the rotation speed of the rolling comb shaft 408 is greater than the conveying speed of the lower conveyor belt 404, so as to comb the fibers clamped between the conveyor belts to the mixing drum 2 in time.

As a preferred embodiment of the present embodiment, as shown in fig. 6, an inner wall brush 201 is provided on a longitudinal support cylinder in the mixing tub 2. The inner wall brush 201 includes a rigid bracket 20101 having one end fixed to the longitudinal support cylinder 1, the rigid bracket 20101 being disposed along a radial direction, and a rubber brush 20102 being disposed on the other end of the rigid bracket 20101, the rubber brush 20102 being in contact with the inner wall of the mixing tub 2. The inner wall brush 201 is used to brush away the material adhered to the annular inner wall.

As a preferred embodiment of the present embodiment, as shown in fig. 6, a triangular protrusion 202 and a spherical protrusion 203 are provided on the inner wall of the mixing tub 2. For increasing the stirring ability of the stirring vessel 2.

As a preferable scheme of the embodiment, as shown in fig. 2, a discharge gate 206 is mounted on the rear end surface of the mixing drum 2 through a hinge 204 and a locking buckle 205.

As a specific scheme of the embodiment, as shown in fig. 1 and 2, the device further comprises a base frame 5, the base frame 5 comprises a base 501, a portal 502, a first triangular support frame 503 and a second triangular support frame 504 are vertically and fixedly installed on the base 501, and the portal 502, the first triangular support frame 503 and the second triangular support frame 504 are sequentially and parallelly arranged from front to back along the longitudinal direction; the first triangular support frame 503 and the second triangular support frame 504 are fixedly provided with a longitudinal support cylinder 1, and a mixing barrel 2 is sleeved on the longitudinal support cylinder 1 between the first triangular support frame 503 and the second triangular support frame 504.

As a preferred scheme of the embodiment, as shown in fig. 1, a motor 6 is fixedly installed at the lower part of a portal 502, a driving gear 7 is arranged on an output shaft of the motor 6, and the driving gear 7 is meshed with a driven gear ring 8 arranged on the outer side wall of the mixing drum 2, so that the rotation of the motor 6 drives the mixing drum 2 to rotate around the longitudinal supporting drum 1.

As a preferable scheme of the embodiment, as shown in fig. 1, a feeding groove 9 and a water inlet groove 10 are arranged at the top of a portal 502, and the feeding groove 9 is connected with a feeding hole 3 through a front end of a longitudinal supporting cylinder 1 by a guide cylinder 11; the water inlet tank 10 is connected with the feed inlet 3 through the front end of the longitudinal support cylinder 1 by a water inlet pipe 12.

In the embodiment, the front cover and the rear cover of the longitudinal supporting cylinder 1 and the mixing barrel 2 are respectively supported in a rotating way through bearings.

In this embodiment, a water inlet valve 13 is provided between the water inlet tank 10 and the water inlet pipe 12.

In this embodiment, preferably, the door 502 is further provided with a controller 14, and the controller 14 is used for controlling the rotation speed, the rotation duration and the water inlet time of the mixing drum 2 and the water inlet tank 12.

In this example, the rubber/fiber cement stabilized base mix blending apparatus operates as follows:

step one, checking whether the discharge gate 206 is closed before feeding, after closing the discharge gate 206, pouring the infiltrated aggregate, the cement and rubber particles with corresponding contents into the mixing barrel 2 along the feeding chute 9 and the guide barrel 11, taking care of not being adhered to the inner wall of the guide barrel 11, and pouring water required in the mixing process into the feeding chute 10 for temporary storage.

Step two, as shown in fig. 7, the fiber disperser 4 is pulled out of the coverage area of the longitudinal support cylinder 1, as shown in fig. 8, the upper conveyor belt 405 is lifted, the fibers are uniformly laid on the lower conveyor belt 404, the fiber length direction is perpendicular to the groove 412 direction, the fibers are reduced to enter the groove 412, the upper conveyor belt 405 is put down, the fibers between the two conveyor belts are held by the weight of the upper conveyor belt 405, and then the fiber disperser 4 is pushed into the longitudinal support cylinder 1.

Step three, the motor 6 is started, the motor 6 drives the mixing barrel 2 to rotate, dry mixing is carried out on aggregate and rubber particles, meanwhile, the conveyor belt of the fiber disperser 4, the rolling comb shaft 408 and the comb teeth 409 start to rotate, fibers are gradually transferred to the comb teeth 409 through the conveyor belt and then are gradually combed into the mixing barrel by the comb teeth 409 and the fiber stripping plates 410, after the mixing barrel 2 rotates for 10 circles, the mixing barrel is automatically stopped, and at the moment, the fibers are completely combed.

Step four, the water inlet valve 13 below the water inlet tank 10 is opened, water in the water inlet tank 10 enters the mixing barrel 2 through the water inlet pipe 12, after all water enters the mixing barrel 2, the motor 6 rotates again to continuously mix the rubber/fiber cement stable mixture, the mixing barrel 2 rotates for 20 circles, rotation is stopped, at the moment, the mixing process is finished, and the mixing barrel 2 is reset to the position below the discharge gate 206.

Fifthly, placing a receiving basin at the discharge gate 206, opening the locking buckle 205, lifting the discharge gate 206, cleaning the mixed mixture to the basin by a shovel, taking care that the residual fine materials on the inner wall of the mixing barrel 2 are brushed to the feeding basin by a small brush, and then closing the discharge gate 206.

In addition, the fiber disperser 4 shown in the present embodiment is applied to a stirring station, at this time, fibers are continuously laid over the extended lower conveyor belt 404, gradually clamped between the upper and lower conveyor belts as the lower conveyor belt 404 rotates, and then conveyed to the rolling comb shaft 408 and the comb teeth 409 to be uniformly dispersed, and freely dispersed over the mixture, to be uniformly stirred.

Further, this embodiment also provides another application scenario of the fiber disperser 4, where the fiber disperser 4 may be used alone in engineering sites, as shown in fig. 9 and 10, the whole mechanism of the fiber disperser 4 is enlarged, the lower conveyor 404 is extended for laying fiber materials, and the fiber materials are fixed directly above the stirring bin 16 in the site stirring station by the welding frame 15, and the combed and dispersed fiber materials are freely scattered above the mixture for uniform stirring.

Claims (8)

1. The mixing equipment for the rubber/fiber cement stable base layer mixture is characterized by comprising a longitudinal supporting cylinder (1) with two open ends, wherein a mixing barrel (2) capable of rotating around the longitudinal supporting cylinder (1) is sleeved on the longitudinal supporting cylinder (1), and a feeding port (3) communicated with the inside of the mixing barrel (2) is formed in the side wall of the bottom of the longitudinal supporting cylinder (1); a fiber disperser (4) is arranged in the longitudinal supporting cylinder (1);

the fiber disperser (4) comprises a chute underframe (401) arranged in the longitudinal supporting cylinder (1), a pair of parallel chutes (402) are formed on the chute underframe (401) along the longitudinal direction, the vertical bottom ends of support slide rails (403) are arranged in the chutes (402), and the vertical top ends of the support slide rails (403) are fixedly arranged on a supporting shaft of a lower conveying belt (404), so that the lower conveying belt (404) can longitudinally slide on the chute underframe (401);

an upper conveyor belt (405) is arranged above the lower conveyor belt (404), the upper conveyor belt (405) and the lower conveyor belt (404) are both conveyed along the transverse direction, and a supporting shaft on one side of the upper conveyor belt (405) is connected with a supporting shaft on one side of the lower conveyor belt (404) through a hinge (406), so that the upper conveyor belt (405) can turn over relative to the lower conveyor belt (404);

the lower conveyor belt (404) is provided with a pair of bottom ends of rolling comb support frames (407) on a support shaft at the other side far away from the hinge (406), rolling comb shafts (408) are rotatably arranged between the top ends of the pair of rolling comb support frames (407), the rolling comb shafts (408) are longitudinally distributed, a plurality of rows of comb teeth (409) are uniformly arranged on the rolling comb shafts (408), and the comb teeth (409) are radially distributed; a fiber peeling plate (410) parallel to the rolling comb shaft (408) is fixedly arranged between the top ends of the pair of rolling comb support frames (407), the fiber peeling plate (410) is positioned on one side, far away from the lower conveying belt (404), of the rolling comb support frames (407), fiber peeling seams (411) corresponding to comb teeth (409) are formed in the fiber peeling plate (410), and the comb teeth (409) can enter the fiber peeling seams (411) in the rolling process of the rolling comb shaft (408) but are not in contact with the fiber peeling seams (411).

2. The mixing device for rubber/fiber cement stabilized base mixtures according to claim 1, wherein grooves (412) are formed in the upper conveyor belt (405) and the lower conveyor belt (404) along the conveying direction, the grooves (412) are matched with the positions of the comb teeth (409), and the comb teeth (409) can enter the grooves (412).

3. A rubber/fiber cement stabilized base mix mixing apparatus as claimed in claim 1, wherein an inner wall brush (201) is provided on a longitudinal support cylinder in said mixing drum (2); the inner wall brush (201) comprises a rigid support (20101) with one end fixed on the longitudinal supporting cylinder (1), the rigid support (20101) is arranged along the radial direction, a rubber brush (20102) is arranged at the other end of the rigid support (20101), and the rubber brush (20102) is in contact with the inner wall of the mixing barrel (2).

4. The mixing device for rubber/fiber cement stabilized base mixtures according to claim 1, wherein triangular protrusions (202) and spherical protrusions (203) are arranged on the inner wall of the mixing barrel (2).

5. The mixing device for rubber/fiber cement stabilized base mixtures according to claim 1, wherein the rear end surface of the mixing barrel (2) is provided with a discharge gate (206) through a hinge (204) and a locking buckle (205).

6. The rubber/fiber cement stabilized base mixture stirring equipment as claimed in claim 1, further comprising a base frame (5), wherein the base frame (5) comprises a base (501), a portal (502), a first triangular support frame (503) and a second triangular support frame (504) are vertically and fixedly arranged on the base (501), and the portal (502), the first triangular support frame (503) and the second triangular support frame (504) are sequentially and parallelly arranged from front to back along the longitudinal direction; the first triangular support frame (503) and the second triangular support frame (504) are fixedly provided with a longitudinal support cylinder (1), and a mixing barrel (2) is sleeved on the longitudinal support cylinder (1) between the first triangular support frame (503) and the second triangular support frame (504).

7. The mixing device for rubber/fiber cement stabilized base mixtures according to claim 6, wherein the motor (6) is fixedly arranged at the lower part of the portal (502), a driving gear (7) is arranged on the output shaft of the motor (6), and the driving gear (7) is meshed and transmitted with a driven gear ring (8) arranged on the outer side wall of the mixing drum (2), so that the rotation of the motor (6) drives the mixing drum (2) to rotate around the longitudinal supporting drum (1).

8. The rubber/fiber cement stabilized base mixture stirring equipment as claimed in claim 6, wherein a feeding groove (9) and a water inlet groove (10) are arranged at the top of the portal (502), and the feeding groove (9) is connected with the feeding hole (3) through a guide cylinder (11) penetrating through the front end of the longitudinal supporting cylinder (1); the water inlet groove (10) is connected with the feed inlet (3) through the front end of the longitudinal supporting cylinder (1) by the water inlet pipe (12).