CN117734017A - Concrete mixing device for road construction - Google Patents

Abstract

The application relates to a concrete stirring device for road construction, which comprises a stirring cylinder, wherein a feed inlet and a discharge outlet are formed in the stirring cylinder; the stirring mechanism comprises a main stirring rod, a side stirring rod and a first driving piece positioned at the top of the stirring cylinder; the rotating mechanism comprises a rotating disc and a planetary gear structure positioned above the rotating disc, wherein the planetary gear structure comprises a sun gear fixedly arranged at one end of the main stirring rod, which is close to the top of the stirring cylinder, a planet wheel fixedly arranged at one end of the side stirring rod and meshed with the main gear, and an inner gear ring circumferentially arranged at the top of the inner wall of the stirring cylinder, and the rotating disc is provided with a hole for the main stirring rod and the side stirring rod to penetrate through and is rotationally connected with the inner wall of the stirring cylinder. This application has the effect to the omnibearing stirring of concrete and promote concrete mixing in the churn.

Description

Concrete mixing device for road construction

Technical Field

The application relates to the field of concrete mixing, in particular to a concrete mixing device for road construction.

Background

The gravel concrete can be used in a large amount in the road construction process, and because of the particularity of the road construction, the stone size requirement is different from the requirement of civil construction, and in the current road construction, a stirring cylinder with stirring blades is generally used for mixing and stirring raw materials, and then the raw materials are sent for use.

Traditional agitated vessel, when stirring in fact, generally stir by a direction degree of depth, this kind of stirring mode has certain problem, and in the stirring process, the material can only rely on self gravity to reciprocate to mix, and this kind of mixing mode needs longer time, has stirring efficiency lower, the relatively poor problem of stirring effect, and the practicality is not high.

For example, a concrete mixing device for road construction is provided, which includes a mixing drum, a mounting rod, a mixing mechanism, a water supply assembly, a driving mechanism, a driving motor, a valve assembly, and the like. The water supply assembly is arranged on the stirring cylinder and is used for introducing water in the water tank into the stirring cylinder. A driving mechanism is arranged in the stirring cylinder and used for driving the stirring mechanism to move up and down for stirring. The driving mechanism comprises a mounting motor and a driving column, wherein the mounting rod on one axial side of the driving column is fixedly connected with the driving motor, an output shaft of the driving motor is fixedly connected with a driving wheel at one end of the driving column, the driving wheel drives the mounting rod to reciprocate up and down through a driving rod, a moving block in a sliding groove of the mounting rod is driven to reciprocate left and right under the action of a rotating arm, meanwhile, a sliding block is driven to move under the action of a linkage rod, the sliding block drives a mixing rod and a mixing blade below the linkage wheel to move left and right, and further the device achieves left and right movement script and up and down stirring, and further improves stirring efficiency.

Said invented stirring mechanism can only be moved up and down, and its stirring range is fixed, so that the concrete stirring effect of two sides of stirring tank interior perpendicular to the stirring movement direction is poor, and it is difficult to implement comprehensive stirring of concrete.

Disclosure of Invention

In order to realize the omnibearing stirring of concrete in a stirring cylinder and improve the concrete stirring effect, the application provides a concrete stirring device for road construction.

The application provides a concrete mixing plant for road construction adopts following technical scheme:

a concrete stirring device for road construction comprises

The side wall of the stirring cylinder, which is close to the top end, is provided with a feed inlet for materials to enter, and the side wall of the stirring cylinder, which is close to the bottom end, is provided with a discharge outlet for stirred concrete;

the stirring mechanism comprises a main stirring rod, a side stirring rod and a first driving piece, wherein the main stirring rod is concentrically arranged on the shaft, the side stirring rod is arranged on one side of the main stirring rod and can rotate by itself and can rotate along the axis of the main stirring rod in a circumferential direction, and the first driving piece is positioned at the top of the stirring cylinder, is fixedly connected with the main stirring rod by an output shaft and drives the main stirring rod to rotate;

the rotating mechanism comprises a rotating disc and a planetary gear structure positioned above the rotating disc, wherein the planetary gear structure comprises a sun gear fixedly arranged at one end of a main stirring rod, which is close to the top of the stirring cylinder, a planet wheel fixedly arranged at one end of a side stirring rod and meshed with the main gear, and an inner gear ring circumferentially arranged at the top of the inner wall of the stirring cylinder, and the rotating disc is provided with a hole for the main stirring rod and the side stirring rod to penetrate through and is rotationally connected with the inner wall of the stirring cylinder.

Through adopting above-mentioned technical scheme, set up main puddler and side puddler at rabbling mechanism, when carrying out concrete mixing, first driving piece drive main puddler rotates, the planetary gear structure that the side puddler set up through slewing mechanism is the circumference style rotation along main puddler axle center, and carry out self-passing through gear drive when carrying out circular motion, still be provided with the rolling disc for preventing planetary gear structure from droing, the hole that supplies main puddler and side puddler to wear to establish is offered to the rolling disc, carry out circular motion along main puddler axle center at the side puddler and rotate along with the rotation of side puddler, the omnidirectional stirring of concrete in the churn has been realized and the stirring effect of concrete is promoted.

Preferably, the main stirring rod is provided with a plurality of first paddles along the length direction of the rod, the side stirring rod is provided with a plurality of second paddles along the length direction of the rod, the sum of the lengths of the first paddles and the lengths of the second paddles is larger than the distance between the main stirring rod and the side stirring rod, and the first paddles and the second paddles are staggered.

Through adopting above-mentioned technical scheme, be greater than the distance between puddler and the side puddler with the sum of first paddle and second paddle length to with first paddle and the crisscross setting of second paddle, when main puddler rotates during the use, the side puddler rotates simultaneously, and two puddler stirring scope cross coincidence, avoid leaving behind the gap that stirring can't go between two puddlers because of having the distance between two puddlers, the promotion concrete stirring effect of bigger degree.

Preferably, the bottom of the stirring cylinder is further provided with an auxiliary stirring piece, the auxiliary stirring piece is used for carrying out secondary stirring on concrete in the stirring cylinder from the bottom, the bottom of the stirring cylinder is provided with a second driving piece, and a driving shaft of the second driving piece penetrates through the bottom of the stirring cylinder and is fixedly connected with the auxiliary stirring piece and drives the auxiliary stirring piece to rotate so as to stir the bottom of the stirring cylinder.

Through adopting above-mentioned technical scheme, generally practical cement is as the cementing material when concrete stirring, uses sand, stone to make aggregate and water (can contain admixture and admixture) according to certain proportion cooperation, and cement concrete that obtains through stirring, under the effect such as gravity, materials such as cement can pile up at the inside bottom of agitator tank, and stirring leaf then is difficult to stir inside bottom material, leads to stirring effect not comprehensive enough, through setting up supplementary stirring piece in the churn bottom, stirs the material of bottom, realizes the omnidirectional stirring to the interior concrete of churn, further promotes concrete stirring effect.

Preferably, the auxiliary stirring member may be provided in a turbine type structure.

Through adopting above-mentioned technical scheme, will set up the supplementary stirring piece in churn bottom and set to turbine formula structure for it can produce strong vortex and torrent at stirring in-process, thereby has realized efficient liquid mixing and stirring, compares traditional agitated vessel, and turbine formula structure's agitating unit's stirring effect is more even, can be better stir the material that falls into churn bottom, further promotes concrete stirring effect.

Preferably, the water supply device comprises a water supply tank arranged on one side of the stirring cylinder and a water spraying device arranged in the stirring cylinder, wherein the water supply tank and the stirring cylinder are integrally arranged, the water spraying device comprises a spray pipe arranged below the rotating disc and circumferentially arranged along the inner wall of the stirring cylinder and a plurality of spray heads uniformly arranged along the spray pipe, a water supply pipe is arranged between the spray pipe and the water tank, and the water supply pipe supplies water for the spray pipe through a water pump.

Through adopting above-mentioned technical scheme, set up the supply tank in the churn next door, can realize automatic water supply, need not artifical water supply, evenly set up a plurality of shower heads in the churn simultaneously, can evenly spray water in the churn, improve the homogeneity of stirring, further promote concrete stirring effect.

Preferably, the two groups of spraying pipes are arranged, the first group is arranged below the rotating disc, the second group is arranged in the middle of the stirring cylinder, and the two groups of spraying pipes are communicated through a connecting pipe.

Through adopting above-mentioned technical scheme, the material in the churn is more when stirring the material in the churn, only supplies water the speed slower in the churn from the top, and the material of churn below is in drier state, through setting up the second group shower in the churn middle part, supplies water in the churn from the churn middle part, supplies water more evenly, improves the homogeneity of stirring, further promotes concrete mixing effect.

Preferably, the stirring device further comprises a moving device, wherein the moving device comprises a supporting plate arranged at the bottom of the stirring barrel and a roller arranged below the supporting plate.

Through adopting above-mentioned technical scheme, required concrete need be transported corresponding position along with the progress of construction during the road construction, set up mobile device in agitator below, make things convenient for the removal of agitator, do not need the round trip transportation, save transit time.

Preferably, the turning device is further arranged above the moving device, the turning device comprises a third driving part arranged above the supporting plate and a fixing plate fixedly arranged at the bottom of the stirring barrel, the third driving part is arranged at one side far away from the discharge hole, one end of the third driving part is hinged to the supporting plate, the driving shaft at the other end is hinged to the fixing plate, and the fixing plate positioned at one side of the discharge hole is hinged to the supporting plate.

Through adopting above-mentioned technical scheme, the discharge gate setting is in agitator bottom side, and the concrete is gone out from the discharge gate after the stirring, because of the concrete is more viscous, some concrete can remain in the agitator bottom, and the concrete is difficult to clear up after having dried, through setting up turning device, inclines the agitator towards the discharge gate direction when the concrete is discharged, can discharge the concrete in the agitator from the discharge gate mostly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stirring mechanism is provided with a main stirring rod and a side stirring rod, when concrete is stirred, the main stirring rod is driven to rotate by a first driving piece, the side stirring rod rotates in a circumferential mode along the axis of the main stirring rod through a planetary gear structure arranged by the rotating mechanism and carries out self-transmission through gear transmission while carrying out circumferential motion, a rotating disc is further arranged for preventing the planetary gear structure from falling off, the rotating disc is provided with a hole for the main stirring rod and the side stirring rod to penetrate, and the side stirring rod rotates along with the rotation of the side stirring rod when carrying out circumferential motion along the axis of the main stirring rod, so that the omnibearing stirring of concrete in a stirring cylinder is realized, and the concrete stirring effect is improved;

2. the sum of the lengths of the first blade and the second blade is larger than the distance between the stirring rods and the side stirring rods, the first blade and the second blade are arranged in a staggered mode, when the main stirring rod rotates in use, the side stirring rods simultaneously rotate, the stirring ranges of the two stirring rods are overlapped in a crossed mode, gaps which cannot be left between the two stirring rods due to the fact that the distance exists between the two stirring rods are avoided, and the concrete stirring effect is improved to a greater extent;

3. the cement concrete obtained by stirring the cement concrete is stacked at the bottom end of the inside of the stirring tank under the action of gravity and the like, and the stirring blades are difficult to stir the materials at the bottom end of the inside, so that the stirring effect is not comprehensive enough;

4. the auxiliary stirring piece arranged at the bottom of the stirring barrel is set to be of a turbine type structure, so that strong vortex and turbulent flow can be generated in the stirring process, efficient liquid mixing and stirring are realized, the stirring effect of the stirring device of the turbine type structure is more uniform compared with that of the traditional stirring equipment, materials falling into the bottom of the stirring barrel can be better stirred, and the stirring effect of concrete is further improved.

Drawings

Fig. 1 is a schematic structural view of a concrete stirring device for road construction.

Fig. 2 is a partial enlarged view at fig. 1A.

Reference numerals illustrate: 1. a stirring cylinder; 11. a feed inlet; 111. a feed pipe; 12. a discharge port; 121. a discharge pipe; 122. a valve; 2. a stirring mechanism; 21. a main stirring rod; 211. a first blade; 22. a side stirring rod; 221. a second blade; 23. a first driving member; 24. an auxiliary stirring member; 25. a second driving member; 3. a rotating mechanism; 31. a rotating disc; 311. a support frame; 312. a ball; 32. a planetary gear structure; 321. a sun gear; 322. a planet wheel; 323. an inner gear ring; 4. a water supply device; 41. a water supply tank; 42. a sprinkler; 421. a shower pipe; 422. a spray header; 423. a water supply pipe; 4231. a water pump; 424. a connecting pipe; 5. a mobile device; 51. a support plate; 52. a roller; 6. a turnover device; 61. a fixing plate; 62. and a third driving member.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a concrete mixing device for road construction. Referring to fig. 1, the concrete mixing apparatus for road construction includes a mixing drum 1, a mixing mechanism 2, a rotating mechanism 3, a water supply device 4, a moving device 5, and a turning device 6.

Referring to fig. 1, a mixing drum 1 is a circular drum, a feed inlet 11 is formed in the side wall of the top, a discharge outlet 12 is formed in the side wall of the bottom opposite to the feed inlet 11, a feed pipe 111 is arranged at the discharge inlet 11, a discharge pipe 121 is arranged at the discharge outlet 12, a valve 122 is also arranged at the discharge pipe 121, the valve 122 is opened after concrete mixing is completed, and concrete flows out from the discharge pipe 121.

The stirring mechanism 2 includes a main stirring rod 21, a side stirring rod 22, a first driving member 23, an auxiliary stirring member 24, and a second driving member 25.

The main stirring rod 21 is arranged at the central position of the stirring barrel and is concentric with the stirring barrel 1, and the main stirring rod 21 is provided with a first blade 211 extending towards the wall of the stirring barrel along the length direction of the rod;

the side stirring rod 22 is arranged on one side of the main stirring rod 21, the second paddles 221 are arranged along the length direction of the rod, the sum of the lengths of the first paddles 211 and the lengths of the second paddles 221 is larger than the distance between the main stirring rod 21 and the side stirring rod 22, the first paddles 211 and the second paddles 221 are arranged in a staggered mode, the sum of the lengths of the first paddles 211 and the second paddles 221 is larger than the distance between the stirring rod and the side stirring rod 22 when the main stirring rod 21 and the side stirring rod 22 rotate, the first paddles 211 and the second paddles 221 are arranged in a staggered mode, when the main stirring rod 21 rotates, the side stirring rod 22 rotates simultaneously, the stirring ranges of the two stirring rods are overlapped in a crossed mode, gaps which cannot be left by stirring due to the fact that the distance exists between the two stirring rods are avoided, and the concrete stirring effect is improved to a greater extent.

The first driving member 23 is disposed at the top of the stirring tank and is used for driving the main stirring rod 21 to rotate, and in particular, the first driving member 23 may be configured as a motor, and the main stirring rod 21 is driven to rotate by the motor.

The auxiliary stirring piece 24 is arranged at the bottom of the stirring barrel, the highest position of the auxiliary stirring piece 24 is lower than the main stirring rod 21 and the side stirring rods 22, cement is usually used as a cementing material in practical use during concrete stirring, sand and stone are used as aggregates and water (which can contain additives and admixture) are matched according to a certain proportion, cement concrete obtained through stirring is stacked at the bottom end inside the stirring tank under the action of gravity and the like, stirring blades are difficult to stir materials at the bottom end inside the stirring tank, the stirring effect is not comprehensive enough, the materials at the bottom are stirred through the auxiliary stirring piece 24 arranged at the bottom of the stirring barrel 1, the omnibearing stirring of the concrete in the stirring barrel 1 is realized, and the stirring effect of the concrete is further improved.

The auxiliary stirring piece 24 can be specifically arranged into a turbine type structure, the auxiliary stirring piece 24 is arranged into a turbine type structure, so that strong vortex and turbulent flow can be generated in the stirring process, efficient liquid mixing and stirring are realized, and compared with the traditional stirring equipment, the stirring effect of the stirring device of the turbine type structure is more uniform, and materials falling into the bottom of the stirring barrel 1 can be better stirred.

The second driving piece 25 is arranged at the bottom of the stirring barrel, and can be specifically set as a motor, the output shaft of the motor penetrates through the bottom of the stirring barrel and is fixedly connected with the auxiliary stirring piece 24, and the auxiliary stirring piece 24 is driven to rotate by the motor so as to stir the materials at the bottom of the stirring barrel.

The stirring mechanism 2 comprises a rotating disc 31 and a planetary gear structure 32, wherein the rotating disc 31 is used for supporting the planetary gear structure 32, the planetary gear structure 32 is prevented from falling, a supporting frame 311 is arranged on the side wall of the stirring barrel and used for supporting the rotating disc 31, balls 312 are arranged between the rotating disc 31 and the supporting frame 311, and a plurality of balls 312 are circumferentially arranged at the joint positions of the rotating disc 31 and the supporting frame 311 and used for reducing friction force generated when the rotating disc 31 rotates.

Referring to fig. 1, the planetary gear structure 32 includes a sun gear 321, a planet gear 322 and an inner gear 323, wherein the sun gear 321 is fixedly connected with the main stirring rod 21, the planet gear 322 is fixedly connected with the side stirring rod 22, the inner gear 323 is fixedly arranged on the wall of the stirring barrel, the planetary gear structure 32 can drive the side stirring rod 22 to rotate when the main stirring rod 21 rotates, and meanwhile, the side stirring rod 22 is driven to rotate around the circumference of the main stirring rod 21, so that the effect of stirring concrete in the stirring barrel 1 in an omnibearing manner is realized, and the stirring effect of the concrete is improved.

The water supply device 4 includes a water supply tank 41 and a sprinkler device 42, the water supply tank 41 is specifically provided at one side of the stirring tub, and the sprinkler device 42 includes a shower pipe 421, a shower head 422, a water supply pipe 423, and a connection pipe 424.

The two spraying pipes 421 are respectively arranged below the rotating disc 31 and in the middle of the stirring cylinder 1, the inner sides of the spraying pipes 421 are provided with a plurality of spraying heads 422 which are inclined downwards, the spraying heads 422 are uniformly arranged to supply water for stirring concrete, the two spraying pipes 421 are communicated through a connecting pipe 424, and water is pumped from the water supply tank 41 through a water supply pipe 423 by using a water pump 4231 to supply water for the spraying pipes 421.

The moving device 5 comprises a supporting plate 51 and a roller 52, the roller 52 is arranged below the supporting plate 51, the supporting plate 51 is used for supporting the stirring device, the stirring barrel is convenient to move, the back and forth transportation is not needed, and the transportation time is saved.

The turning device 6 is arranged between the supporting plate 51 and the stirring device, and comprises a fixing plate 61 and a third driving piece 62, and is used for turning the stirring device, so that the effect of discharging most of the concrete in the stirring barrel from the discharge hole 12 is achieved.

The concrete fixed plate 61 sets up in the agitator below, and third driving piece 62 sets up in fixed plate 61 and keep away from agitator discharge gate 12 one side, specifically can set up into the pneumatic cylinder, and the pneumatic cylinder articulates with fixed plate 61 and backup pad 51 respectively, drives the agitator through the flexible of pneumatic cylinder drive shaft and inclines towards discharge gate 12 direction.

The implementation principle of the concrete stirring device for road construction is as follows: when the stirring mechanism 2 is provided with the main stirring rod 21 and the side stirring rod 22, the first driving piece 23 drives the main stirring rod 21 to rotate when concrete is stirred, the side stirring rod 22 rotates in a circular mode along the axis of the main stirring rod 21 through the planetary gear structure 32 arranged on the rotating mechanism 3 and carries out self-transmission through gear transmission when carrying out circular motion, the rotating disc 31 is further provided for preventing the planetary gear structure 32 from falling off, the rotating disc 31 is provided with a hole for the main stirring rod 21 and the side stirring rod 22 to penetrate, the circular motion of the side stirring rod 22 along the axis of the main stirring rod 21 rotates along with the rotation of the side stirring rod 22, and the omnibearing stirring of concrete in the stirring cylinder 1 is realized, so that the concrete stirring effect is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a concrete mixing plant for road construction which characterized in that: comprising

The stirring device comprises a stirring barrel (1), wherein a feed inlet (11) for materials to enter is formed in the side wall, close to the top end, of the stirring barrel (1), and a discharge outlet (12) for stirred concrete is formed in the side wall, close to the bottom end, of the stirring barrel (1);

the stirring mechanism (2) comprises a main stirring rod (21) with a shaft concentrically arranged with the stirring cylinder (1), a side stirring rod (22) which is arranged on one side of the main stirring rod (21) and can rotate along the axis of the main stirring rod (21) and is axially and annularly rotated, and a first driving piece (23) which is positioned at the top of the stirring cylinder (1) and is fixedly connected with the main stirring rod (21) by an output shaft and drives the main stirring rod (21) to rotate;

the rotary mechanism (3), rotary mechanism (3) include rolling disc (31), and are located planetary gear structure (32) of rolling disc (31) top, planetary gear structure (32) are close to including fixed setting main puddler (21) sun gear (321) of one end at churn (1) top, with side puddler (22) one end fixed setting and with main gear engagement's planet wheel (322), and follow churn (1) inner wall top circumference ring gear (323), the hole that supplies main puddler (21) and side puddler (22) wear to establish is seted up to rolling disc (31), and with churn (1) inner wall rotation is connected.

2. The concrete stirring device for road construction according to claim 1, wherein: the main stirring rod (21) is provided with a plurality of first paddles (211) along the length direction of the rod, the side stirring rod (22) is provided with a plurality of second paddles (221) along the length direction of the rod, the sum of the lengths of the first paddles (211) and the lengths of the second paddles (221) is larger than the distance between the main stirring rod (21) and the side stirring rod (22), and the first paddles (211) and the second paddles (221) are arranged in a staggered mode.

3. The concrete stirring device for road construction according to claim 1, wherein: the stirring barrel (1) bottom still sets up supplementary stirring piece (24), supplementary stirring piece (24) are right concrete in the stirring barrel (1) carries out secondary stirring from the bottom, stirring barrel (1) bottom sets up second driving piece (25), second driving piece (25) drive shaft pass stirring barrel (1) bottom with supplementary stirring piece (24) fixed connection, and drive supplementary stirring piece (24) rotate, right stirring barrel (1) bottom.

4. A concrete mixing device for road construction according to claim 3, wherein: the auxiliary stirring element (24) can be provided in a turbine-type structure.

5. The concrete stirring device for road construction according to claim 1, wherein: still include water supply installation (4), water supply installation (4) are in including setting up supply tank (41) of churn (1) one side, and set up watering device (42) in churn (1), supply tank (41) with churn (1) integration sets up, watering device (42) are including setting up rotor disc (31) below and follow shower (421) and along that churn (1) inner wall circumference set up a plurality of shower heads (422) of shower (421) evenly set up, shower (421) with set up delivery pipe (423) between the water tank, delivery pipe (423) are right through water pump (4231) shower (421) water supply.

6. The concrete stirring device for road construction according to claim 5, wherein: the two groups of spraying pipes (421) are arranged, the first group is arranged below the rotating disc (31), the second group is arranged in the middle of the stirring cylinder (1), and the two groups of spraying pipes (421) are communicated through a connecting pipe (424).

7. The concrete stirring device for road construction according to claim 1, wherein: the stirring barrel further comprises a moving device (5), wherein the moving device (5) comprises a supporting plate (51) arranged at the bottom of the stirring barrel and a roller (52) arranged below the supporting plate (51).

8. The concrete stirring device for road construction according to claim 7, wherein: the automatic stirring device is characterized in that a turnover device (6) is further arranged above the moving device (5), the turnover device (6) comprises a third driving piece (62) arranged above the supporting plate (51) and a fixing plate (61) fixedly arranged at the bottom of the stirring barrel, the third driving piece (62) is arranged at one side far away from the discharging hole (12), one end of the third driving piece (62) is hinged to the supporting plate (51), the driving shaft at the other end of the third driving piece is hinged to the fixing plate (61), and the fixing plate (61) arranged at one side of the discharging hole (12) is hinged to the supporting plate (51).