RU169355U1 - CONCRETE MIXER - Google Patents

Abstract

The utility model relates to the field of construction production, in particular to a concrete mixer, and can be used for the preparation of mortar and concrete mixes for construction, used in all sectors of the national economy. The technical result that can be obtained using the proposed utility model is to reduce the metal consumption, ease of operation and transportation, high reliability and increase the service life. The concrete mixer consists of a frame 1 with electrical grounding (not shown in FIG.), On which wheels 2 are rigidly fixed with the possibility of transportation with supports 3, while frame 1 is made in the form of two support columns (not shown in FIG.), On which it is movably fixed using the traverse 4 on the bushings 5, the drum 6, with at least three blades 7, evenly spaced around the circumference inside, each of which is made of two parts, rigidly fixed to each other at an angle of 135 °, with a drive mechanism, the drum 6 is installed on shaft 8, and pic the other is located in the bearing housing 9 with a nut (not shown in FIG.), while the shaft 8 is arranged to fit bearings (not shown in FIG.) on the sliding side of the nut and on the bottom side of the drum 6 for mounting to prevent abrasion the shaft neck 8 in place of a greater load, and the drum 6 is made in the form of a circle, which allows to reduce the metal consumption, and the drive mechanism consists of an electric motor 11, a pulley 12, a V-belt 13, a pinion gear 14 mounted on a pulley 12, a telescopic mount 15 on the traverse 4 and the toothed rim 16, worn on the bottom 10 of the drum 6, driven by the drive gear 14, while for tilting the drum 6 it is equipped with a steering wheel 17 connected to the traverse 4 through the bushings 5, and for fixing the drum 6 in an inclined in position, the steering wheel 17 is provided with a pin 18 towards the latch (in FIG. not indicated), made in the form of a ring with holes (not shown in Fig.) for selecting the inclination of the drum 6 with the possibility of ensuring a reliable position of the drum 6 in engagement, excluding its spontaneous tipping, while the pin 18 is equipped with bushings (not indicated in Fig.) to direct the movement of the pin 18 into the holes of the retainer, by the spring 19 to ensure the return movement of the pin 18 into the holes of the retainer and foot 20 to facilitate the work of the operator, and the electric motor 11 uses a capacitor to start (not indicated in Fig.), m of wire (not shown in FIG.) from the electric motor 11 pass through pipes (not shown in FIG.) traverses 4 to a switch (not shown in FIG.), and from it through a cable (not shown in FIG.) to a plug 21, and to create greater stiffness on the drum 6, a shell 22 is welded with a continuous seam on its neck, while the shaft 8 passes through the hole (not indicated in Fig.) in the bottom 10 of the drum 6, then to create rigidity, the shaft 8 is welded from the outside, and with internal rigidity of its fastening is provided by the installed fixing element 23, made , for example, in the form of a truncated pyramid, a hemisphere, and so on, thus, such a design reliably fixes the shaft 8 with the bottom 10 of the drum 6 and ensures a long service life of the installation, while a small gear 24 is fixed on the helm 17 to the gear rim 16, which in turn, being connected to the bushings 5, transmits oblique rotation to the beam 4 fixed to the drum 6, while the rotational movement of the small gear 24 occurs on the shaft in the sleeve 25, mounted on the frame rack 1 in the reinforcing angle 26, which provides high w reliability of the wheel 17. ZP 1 f-ly, 7 ill.

Description

The technical field to which the utility model relates.

The utility model relates to the field of construction production, in particular to a concrete mixer, and can be used for the preparation of mortar and concrete mixes for construction, used in all sectors of the national economy.

State of the art

Known concrete mixer containing a drum with a drive of its rotation, mounted by means of a yoke and an axis on the frame, a yoke rotation mechanism having an output shaft and a rotation handle, while it is equipped with a swivel bracket with a lock, and the frame is made with an arcuate groove, and the axis of the rotation handle is located on a swivel bracket and connected via a flexible element to the input shaft of the rotation mechanism, while the latch is placed in an arcuate groove of the frame (see US Pat. RU No. 2070854, IPC VC 5/18, publ. 12/27/1996).

The disadvantage of this concrete mixer is the large size, low reliability.

A universal concrete mixer is known, including a cylindrical mixing drum with an end cap, freely mounted on two pairs of wheels fixed rigidly on the frame, and equipped with blades evenly spaced around the circumference from the inside, while these blades are made T-shaped, schematic in the end face with the possibility of their fixed by the end cover of the mixing drum and installed in locks made in the form of L-shaped pair of guides arranged with a gap to each other, rigidly attached data to the drum.

In a universal mixer, these blades (sets of blades) for different mixing construction mixtures are made of materials of different stiffness (see US Pat. RU No. 2303524, IPC V28C 5/44, B01F 9/06, published on July 27, 2007).

The disadvantage of this concrete mixer is the complexity of the design, large dimensions, low reliability of operation.

The closest in technical essence and the achieved positive effect and accepted by the author for the prototype is a concrete mixer containing a frame with supports, an engine mounted on it, a gearbox with an output shaft, mounted on the last drum and handle, while the drum is removable, the drum is fastened, and the frame is made V-shaped in plan, moreover, the concrete mixer is equipped with additional supports, while the main supports are located at the ends of the V-shaped frame and are made with the possibility of regulation and fi nancing position along the V-shaped frame and rotating in planes perpendicular to the ends of the V-shaped frame, and additional supports are fixed on basic and rotated with respect to the latter in planes perpendicular to the ends of the V-shaped frame.

In a concrete mixer, a quick disconnect connection is made with a conical section.

The concrete mixer is equipped with an additional gearbox for transferring force from the handle to the drum (see US Pat. RU No. 2059461, IPC V28C 5/18, publ. 05/10/1996).

The disadvantage of this concrete mixer is the design complexity, large dimensions and weight.

Utility Model Disclosure

The objective of the proposed utility model is the development of a concrete mixer with a decrease in metal consumption, ease of use and transportation, high reliability and an increase in service life.

The technical result that can be obtained using the proposed utility model is to reduce the metal consumption, ease of operation and transportation, high reliability and increase the service life.

The technical result is achieved using a concrete mixer containing a frame mounted on wheels with bearings, a crosshead, a drum on a shaft with blades, a drive mechanism and a steering wheel, while the drum is made in the form of a circle, and the blades are installed at least three evenly spaced circles inside, each of which is made of two parts, rigidly fixed to each other at an angle of 135 °, the shaft is equipped with a housing with bearings and a nut and is made with the possibility of landing bearings on the sliding side of the nut and from the side of the bottom of the drum for mounting, while the drive mechanism consists of an electric motor, a pulley, a V-belt, a pinion gear mounted on a pulley, a telescopic mount on a traverse and a gear rim worn on the bottom of the drum, with the possibility of driving the pinion, and the steering wheel is connected to the traverse through the bushings and is equipped with a pin towards the latch, made in the form of a ring with holes with the possibility of choosing the tilt of the drum and ensuring the position of the drum in engagement, while the urval is additionally equipped with a small gear, a sleeve with a shaft, a reinforcing angle with the possibility of mounting on the frame rack, and the pin is equipped with bushings for guiding the movement of the pin into the holes of the latch, a spring to ensure the return movement of the pin into the holes of the latch and a foot to facilitate the work of the operator, and the shaft with the outer side of the drum is rigidly fixed, and on the inside is fixed with a locking element.

The technical result is achieved using a concrete mixer, in which the fixing element is made, for example, in the form of a truncated pyramid, a hemisphere.

Thus, the technical result is achieved due to the fact that the drum is made in the form of a circle, and at least three blades are installed, each of which is made of two parts, rigidly fixed to each other at an angle of 135 ° and evenly spaced around the inside , the shaft is equipped with a housing with bearings and a nut with the possibility of its location in the housing and is configured to fit bearings on the sliding side of the nut and on the drum bottom side, while the drive mechanism consists of of an electric motor, a pulley, a V-belt, a pinion gear mounted on a pulley, a telescopic mount on the traverse and a rim in the form of a rim worn on the bottom of the drum, with the possibility of driving the pinion gear, and the helm connected to the traverse through the bushings and equipped with a pin in the direction to the latch, made in the form of a ring with holes for selecting the inclination of the drum with the possibility of ensuring the position of the drum in engagement, while the pin is equipped with bushings for guiding the movement of the pin into the holes of the latch, the spring noya to ensure the return movement of the pin into the holes of the retainer and a foot to facilitate the work of the operator, and the shaft on the outside of the drum is rigidly fixed, and from the inside is fixed with a locking element.

Brief Description of the Drawings

In FIG. 1 given concrete mixer, General view.

In FIG. 2 - the same, the execution of the shape of the drum in the form of a circle.

In FIG. 3 - the same, the connection of the bottom of the drum with the shaft.

In FIG. 4 - the same, uniform circumference of the three blades in the drum inside, each of which is made of two parts, rigidly fixed to each other at an angle of 135 °.

In FIG. 5 - the same, the steering wheel on the frame rack with a latch.

In FIG. 6 - the same drive mechanism mounted on the traverse.

In FIG. 7 - the same pulley with pinion gear.

Utility Model Implementation

The concrete mixer consists of a frame 1 with electrical grounding (not shown in FIG.), On which wheels 2 are rigidly fixed with the possibility of transportation with supports 3, while frame 1 is made in the form of two support columns (not shown in FIG.), On which it is movably fixed using the traverse 4 on the bushings 5, the drum 6, with at least three blades 7, evenly spaced around the circumference inside, each of which is made of two parts, rigidly fixed to each other at an angle of 135 °, with a drive mechanism, drum 6 mounted on shaft 8, and pic the ice one is located in the bearing housing 9 with a nut (not shown in FIG.), while the shaft 8 is arranged to fit bearings (not shown in FIG.) on the sliding side of the nut and on the bottom side of the drum 6 for mounting to prevent abrasion the shaft neck 8 in place of greater load, and the drum 6 is made in the form of a circle, which reduces metal consumption, and the drive mechanism consists of an electric motor 11, a pulley 12, a V-belt 13, a pinion gear 14 mounted on a pulley 12, a telescopic mount 15 on the traverse 4 and the toothed rim 16, worn on the bottom 10 of the drum 6, driven by the drive gear 14, while for tilting the drum 6, it is equipped with a steering wheel 17 connected to the traverse 4 through the bushings 5, and for fixing the drum 6 in tilted steering wheel 17 is equipped with a pin 18 towards the latch (in Fig. not indicated), made in the form of a ring with holes (not shown in Fig.) for selecting the inclination of the drum 6 with the possibility of ensuring a reliable position of the drum 6 in engagement, excluding its spontaneous tipping, while the pin 18 is equipped with bushings (not indicated in Fig.) to direct the movement of the pin 18 into the holes of the retainer, by the spring 19 to ensure the return movement of the pin 18 into the holes of the retainer and foot 20 to facilitate the work of the operator, and the electric motor 11 uses a capacitor to start (not indicated in Fig.), m of wire (not shown in FIG.) from the electric motor 11 pass through pipes (not shown in FIG.) traverses 4 to a switch (not shown in FIG.), and from it through a cable (not shown in FIG.) to a plug 21, and to create greater stiffness on the drum 6, a shell 22 is welded with a continuous seam on its neck, while the shaft 8 passes through the hole (not indicated in Fig.) in the bottom 10 of the drum 6, then to create rigidity, the shaft 8 is welded from the outside, and with internal rigidity of its fastening is provided by the installed fixing element 23, made , for example, in the form of a truncated pyramid, a hemisphere, and so on, thus, such a design reliably fixes the shaft 8 with the bottom 10 of the drum 6, and ensures a long service life of the installation, while a small gear 24 is fixed on the helm 17 to the gear rim 16, which, in turn, being connected to the sleeves 5, transmits oblique rotation to the beam 4 fixed to the drum 6, while the rotational movement of the small gear 24 occurs on the shaft in the sleeve 25, mounted on the frame rack 1 in the reinforcing angle 26, which provides high the rugged reliability of the helm 17.

Concrete mixer works as follows.

The concrete mixer is assembled: the frame 1, made in the form of two support legs, is mounted on wheels 2 with supports 3, on which the drum 6 with three blades 7, evenly spaced around the inside, is fixed movably with the help of a traverse 4 on the bushes 5, each of which has blades 7 is made of two parts, rigidly fixed to each other at an angle of 135 °, with a drive mechanism, while the mixing drum 6 is mounted on the shaft 8, the latter is located in the bearing housing 9 with a nut, and the shaft 8 is made with the possibility of landing on the sliding side of the nut, and on the side of the bottom 10 of the drum 6 for mounting to prevent abrasion of the shaft neck 8 at the place of greater loading and ease of installation of the drum 6, and the drum 6 is made in the form of a circle, which significantly reduces the metal consumption, makes it convenient for transportation, and the drive mechanism is assembled from an electric motor 11, a pulley 12, a V-belt 13, a pinion gear 14 mounted on a pulley 12, a telescopic mount 15 on a cross beam 4 and a gear rim 16, worn on the bottom 10 of the drum 6, while for def throwing the drum 6 set the steering wheel 17, and to fix the drum 6 in an inclined position, the steering wheel 17 is assembled from a pin 18 towards the latch, made in the form of a ring with holes for selecting the inclination of the drum 6 with the possibility of eliminating spontaneous tipping over, while the pin 18 is equipped with bushings to direct the movement of the pin 18 into the holes of the latch, a spring 19 to ensure the return movement of the pin 18 into the holes of the latch and foot 20 to facilitate the work of the operator, and the motor 11 to start using there is a capacitor, with wires, a switch and a plug 21, while a small gear 24 is fixed on the helm 17, the rotational movement of which occurs on the shaft in the sleeve 25, mounted on the frame rack 1 in the reinforcing angle 26, which ensures high reliability of the helm 17.

The necessary components of the concrete mixture are fed into the mixing drum 6, a plug 21 is inserted into the single-phase network (not shown in FIG.), The drum 6 is driven by a drive mechanism made of an electric motor 11, a pulley 12, a V-belt 13, a pinion gear 14, mounted on a pulley 12, a telescopic mount 15 on the crosshead 4 and a gear rim 16, worn on the bottom 10 of the drum 6, driven by a pinion gear 14, an electric motor 11, for starting which a capacitor is used, the wires of which pass through the pipes Versions 4 to the switch, and from it through the cable to the plug 21, while the speed of the drum 6 is 18-20 rpm, and at least three blades 7 mix the components of the concrete mixture by performing each of the blades of two parts rigidly fixed to each other at an angle of 135 °, which allows you to evenly distribute the mixture inside the drum 6, quickly and efficiently mix it, and the high reliability of the drum 6 compared to concrete mixers manufactured by the industry is that the concrete mixers in the bulk us two blades and a drum rotation speed of 26-28 rev / min. In gravitational concrete mixers, mixing of the mixture occurs due to raising the mixture by the blades and dropping them from the blades when reaching the upper rotation point, thus, traditional concrete mixers will perform 52-56 turning and dropping mixtures in one minute with the two mixers in the proposed concrete mixer in one minute at a speed rotation of the drum 6 18-20 rpm and the presence of three blades will produce 54-60 lifting and dropping of the mixture, which in principle is comparable to traditional concrete mixers, however, the reliability offers the concrete mixer in this case is higher, since the rotation speed of the pinion gear 14 is lower, and therefore, the wear will be less, and also when three blades 7 are installed in the drum 6 and the drum 6 has a lower rotation speed, this is respectively the thrust and the possibility of installation in the concrete mixer electric motor 11 of lower power, while if on traditional concrete mixers, for example with a capacity of 130 l, electric motors with a power of at least 550 W are installed, then in the proposed utility model with a drum capacity of 6 in 200 l, you can install Install a three-phase electric motor with a power of 370 W and connect it through a working capacitor for 220 V with a residual power of about 260 W, while drum 6 is made in the form of a circle, which is the most compact form, and for the manufacture of such a capacity less material is needed, which significantly reduces the metal consumption , and also creates convenience when moving, transporting, and most importantly in the drum 6 of this form, the mixture is prepared much faster and better. With the optimal dimensions of the drum 6, at least 150 liters of inert materials, not counting water, are placed in it for mixing them.

Thus, the concrete mixer according to the proposed utility model is economically more profitable, the quality of the mixture and the cooking speed are higher, as well as a long service life is ensured.

The proposed utility model in comparison with the prototype and other well-known technical solutions has the following advantages:

- high quality and speed of preparation of the mixture;

- reduction in size;

- reduction of metal;

- convenience in operation and transportation;

- high reliability and increased service life.

Claims (2)

1. Concrete mixer containing a frame mounted on wheels with bearings, a crosshead, a drum on a shaft with blades inside, a drive mechanism and a steering wheel, characterized in that the drum is made in the form of a circle, and at least three blades are installed, evenly spaced circles inside, each of which is made of two parts, rigidly fixed to each other at an angle of 135 °, the shaft is equipped with a housing with bearings and a nut and is made with the possibility of landing bearings on the sliding side of the nut and on the side of the bottom of the bar ana - for pressing in, while the drive mechanism consists of an electric motor, a pulley, a V-belt, a pinion gear mounted on a pulley, a telescopic mount on the traverse and a gear rim worn on the bottom of the drum, with the possibility of driving the pinion gear, and the steering wheel is connected with a traverse through the bushings and equipped with a pin towards the latch, made in the form of a ring with holes with the possibility of choosing the tilt of the drum and ensuring the position of the drum in engagement, while the helm is additionally sn It is loaded with a small gear, a sleeve with a shaft, a reinforcing angle with the possibility of mounting on the frame rack, and the pin is equipped with bushings for guiding the movement of the pin into the holes of the retainer, a spring to ensure the pin moves back into the holes of the retainer and a foot for facilitating the operator’s work, the shaft from the outside the drum is rigidly fixed, and with the inner fixed using a locking element. 2. Concrete mixer according to claim 1, characterized in that the fixing element is made, for example, in the form of a truncated pyramid, a hemisphere.

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