CN220561873U - Sand and stone dosing unit and portable stirring station thereof - Google Patents

Abstract

The utility model relates to the technical field of concrete mixing stations, in particular to a sand and stone batching device and a movable mixing station thereof. The weighing and storing main body comprises more than two weighing and storing integrated mechanisms, and the weighing and storing integrated mechanisms comprise a weighing and storing frame, a weighing and storing bucket and a pressing type weighing assembly. The weighing storage frame is detachably arranged on the pressing type weighing assembly, and the weighing storage hopper is fixedly connected to the weighing storage frame. When the weighing storage hopper is transported, the weighing storage hopper is fixedly locked on the pressure type weighing assembly, and when the weighing storage hopper is transported to a working position, the weighing storage hopper and the pressure type weighing assembly are unlocked, so that the pressure type weighing assembly can accurately weigh the weight of materials in the storage hopper. The sand is stored behind the sand through a plurality of scale storage integrated mechanisms, so that the requirement of multiple concrete grading is met, a certain storage capacity is achieved, belt transportation is achieved, and the movable type sand mixing device is suitable for requirements of movable type batching of tunnels or railways.

Description

Sand and stone dosing unit and portable stirring station thereof

Technical Field

The utility model relates to the technical field of concrete mixing stations, in particular to a sand and stone batching device and a movable mixing station thereof.

Background

In recent years, with the continuous improvement of economic strength of China, china rapidly develops in infrastructure construction, especially tunnel and railway, due to the characteristics of tight road maintenance period, large site variation, small demand for concrete, high quality, specificity, production discontinuity and the like. At present, most of the multipurpose concrete mixing stations are fixed, usually far away from construction sites, a plurality of mixing vehicles are required to be arranged after mixing, and the concrete falling degree is reduced due to long transportation time, so as to compensate the falling degree of slump _， Thereby increasing the cement usage amount and increasing the cost. A movable stirring station can be adopted, and the movable stirring station is concrete production equipment for integrally integrating a material storage, weighing, conveying, stirring and discharging system of a concrete stirring station and a pulling unit; that is, the mobile mixing plant is most important to be a mobile sand dosing unit.

The existing movable sand and stone batching device is generally applied to highway maintenance, the movable sand and stone batching device comprises a storage bin and a weighing bin which are sequentially arranged up and down, the storage bin is communicated with the weighing bin through a discharging door, the weighing bin is communicated with a conveying device through a discharging door, sand and stone are stored in the storage bin firstly, then according to the quantity of required sand and stone batching, the discharging door is opened to feed the sand and stone batching into the weighing bin for weighing, when the materials weighed by the weighing bin reach the required requirements, the discharging valve is closed, and the discharging door of the weighing bin is opened to discharge the sand and stone batching onto the conveying device for conveying the batching. However, in order to meet the requirement of highway transportation height limitation, the storage bins arranged up and down are not suitable to be too high, so that the capacity of the storage bins is very limited, the on-site loading mode is adopted for the purpose, two to three storage bins are generally configured for better matching with loading of a loader, and a weighing hopper or a belt scale is arranged below each storage bin for metering.

However, the conventional movable sand and gravel batching device is only suitable for highways, and if the conventional movable sand and gravel batching device cannot meet the matched procedure of a loader in a narrow tunnel or railway, the conventional movable sand and gravel batching device cannot meet the requirement of movable batching in the tunnel or railway.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned drawbacks and shortcomings of the prior art, the present utility model provides a sand and stone batching apparatus and a mobile stirring station thereof, which solve the technical problem that the conventional mobile batching apparatus cannot be suitable for the requirement of mobile batching in a tunnel or railway because the process that the mobile batching apparatus needs the cooperation of a loader cannot be satisfied in a tunnel or railway with a narrow space.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the embodiment of the utility model provides a sand batching device, which comprises: a bracket main body, a weighing storage main body and a conveying main body;

the weighing and storing main body comprises more than two weighing and storing integrated mechanisms which are sequentially arranged along the transportation direction of the conveying main body, and the weighing and storing integrated mechanisms comprise a weighing and storing frame, a weighing and storing bucket and a pressing type weighing assembly;

the weighing storage frame is detachably arranged on the pressing type weighing assembly and is positioned above the conveying main body, the weighing storage hopper is fixedly arranged on the weighing storage frame, and the weighing storage hopper can store sand and stone ingredients and discharge the stored sand and stone ingredients to the conveying main body;

the pressure type weighing assembly is fixedly arranged between the support main body and the weighing storage hopper, and is selectively connected with the weighing storage hopper, and can weigh the weight sum of the weighing storage hopper and the sand and stone ingredients in the pressure type weighing assembly.

Optionally, the pressure formula weighing module includes four pressure formula sensors, and four pressure formula sensors all set up in the top four corners department of support main part, when transporting, weigh store fill through fixed subassembly fixed lock in on the support main part, so that weigh store fill with support main part is connected as an organic wholely, can not cause the impact to pressure formula weighing module because of rocking during the transportation, when transporting working position, loosen fixed subassembly, so that weigh store fill with support main part release the locking, weigh and store the fill and can move about on pressure formula sensor.

Optionally, the weighing storage hopper comprises a top edge frame and a weighing storage bin arranged at the bottom of the top edge frame;

the top edge frame is movably connected to the pressure type weighing assembly, and when the top edge frame is abutted to the pressure type weighing assembly, the top edge frame can be pressed on the pressure type sensor of the pressure type weighing assembly.

Optionally, the bottom of title storage silo has two discharge openings, and two discharge openings orientation the transport main part, two discharge opening department all sets up the discharge door, just the discharge door can for the discharge opening is opened or is closed.

Optionally, the discharge door is an arc-shaped discharge door.

Optionally, the support main part is steel construction, the support main part include the frame main part with set up in many landing legs of frame main part bottom, the top of frame main part respectively fixed mounting press formula sensor with weigh and store up the frame.

Optionally, the weighing storage hopper is detachably mounted on the weighing storage frame through the fixing assembly.

Optionally, the integrated weighing and storing mechanism further comprises a baffle plate, and the baffle plate is fixedly installed on the weighing and storing frame.

Optionally, the device further comprises a conveying platform, wherein the conveying main body and the bracket main body are fixedly installed on the conveying platform, and the conveying main body is a belt.

A movable stirring station comprises a sand batching device and a movable stirring station thereof.

(III) beneficial effects

The beneficial effects of the utility model are as follows: according to the sand and stone batching device and the movable stirring station thereof, more than two weighing and storing integrated mechanisms are arranged, the sand and stone is stored after being moved to the sand and stone through the weighing and storing integrated mechanisms so as to meet the requirement of multiple concrete grading, and the sand and stone batching device has a certain storage capacity and can realize belt transportation. When transporting, weigh the storage bucket and with its fixed mounting on the pressure type weighing assembly, transport operating position, weigh the storage bucket and remove fixedly with the pressure type weighing assembly, weigh the storage bucket and can compress tightly on the pressure type weighing assembly, can carry out the weighing of grit to according to the pressure type weighing assembly weigh how much of quantity know the grit unloading, in order to satisfy and to store the grit again can weigh the grit, also can realize the area material transportation when having increased storage volume. Can be used after being simply operated after arriving at the site. Can work without the cooperation of a loader, and is suitable for the requirements of movable batching of tunnels or railways.

Drawings

FIG. 1 is a front view of a sand dosing assembly of the present utility model;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a longitudinal cross-sectional view of fig. 1.

[ reference numerals description ]

1: a holder main body; 11: a frame body; 12: a support leg; 2: a weighing and storing integrated mechanism; 21: weighing and storing the frame; 22: weighing a storage bucket; 221: a top edge frame; 222: weighing a storage bin; 223: a discharge port; 224: a discharge door; 23: a pressure type weighing assembly; 231: a pressure sensor; 24: a baffle; 3: a conveying body; 4: and (5) conveying the platform.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings. Wherein references herein to "upper", "lower", "front" and "rear" are made with reference to the orientation of fig. 1. The direction in which the conveying body 3 is conveyed in fig. 1 is defined as "front and rear", respectively. The side of the baffle 24 in fig. 1 is defined as "up".

Referring to fig. 1-3, portions of fig. 1 are not hatched, showing that effect is not significant. A movable stirring station comprises a sand batching device. Wherein, a grit dosing unit includes: the device comprises a bracket main body 1, a weighing storage main body, a conveying main body 3 and a conveying platform 4.

Further, the conveying main body 3 and the bracket main body 1 are fixedly arranged on the conveying platform 4, and the conveying main body 3 is a belt conveyor. The support body 1 covers the outside of locating the transport main body 3, and support body 1 is used for supporting the title and stores up the main body to make the title store up the main body and be located the top of carrying main body 3.

In order to maintain the gap between the dispensing hopper and the belt conveyor, the sub-frame height between the sub-frame at the position of the conveying main body 3 and the bracket main body 1 is not uniform, and the two sub-frames may be adjusted to the same horizontal plane.

Further, referring to fig. 1, the stand body 1 is of a steel structure, and the stand body 1 includes a frame body 11 and a plurality of legs 12 provided at the bottom of the frame body 11. And the frame main part 11 mainly is formed by square pipe or quarter pipe welding and is a plurality of rectangular frames that correspond to the integrative mechanism 2 of title and store up, and four corners department of every rectangular frame below all is provided with four landing legs 12, can play good stability.

In the present embodiment, the scale storage body includes two or more scale storage integrated mechanisms 2 disposed in order along the transport direction (front-rear direction) of the conveying body 3. In the present embodiment, four scale-storage integrated mechanisms 2 are provided. Each of the scale storage integrated mechanisms 2 includes a scale storage frame 21, a scale storage hopper 22, and a press type weighing assembly 23.

Further, the scale storage frame 21 is detachably mounted to the press type weighing assembly 23 and is located above the conveying main body 3. The weighing hopper 22 is fixedly connected to the weighing storage frame 21. Specifically, the weigh bin 22 includes a top rim frame 221 and a weigh bin 222 disposed at the bottom of the top rim frame 221.

In this case, the top edge frame 221 is movably connected to the press type weighing assembly 23, and when the top edge frame 221 is abutted against the press type weighing assembly 23, the top edge frame 221 can be completely pressed against the press type sensor 231 of the press type weighing assembly 23. The weighing storage hopper 22 is capable of storing sand ingredients and discharging the stored sand ingredients onto the transport body 3. The fixing lugs are arranged at the corresponding positions of the inner sides of the support body 1 and the weighing storage hopper 22, and it is to be noted that the fixing lugs at the four corners of the storage hopper correspond to the fixing lugs at the top corners of the four supporting legs of the single support body, and the weighing storage hopper 22 is connected with the support body 1 through a fixing assembly. Specifically, the fixing component is a rigging turnbuckle, and also can be a turnbuckle, and the turnbuckle is used as a reinforced optional structural member.

Further, the bottom of the storage bin 222 is provided with two discharge openings 223, the two discharge openings 223 face the conveying main body 3, the discharge doors 224 are provided at the two discharge openings 223, and the discharge doors 224 can be opened or closed with respect to the discharge openings 223. It should be noted that, the two discharge openings 223 are formed in each weighing storage bin 222, on one hand, because the width of the weighing storage hopper 22 is wider, the discharging precision is ensured under the premise of ensuring the discharging inclination, on the other hand, the two discharge openings in the early stage can be opened during discharging, the discharging speed is ensured, and when the discharging weight is close to the designated weight, one discharge opening is closed, so as to improve the discharging precision.

Further, the scale storage integrated mechanism 2 further comprises a baffle 24, and the baffle 24 is fixedly installed on the scale storage frame 21. The baffle 24 is fixed with the weighing storage hoppers 22 by pin shafts, and the aggregate sand stones of the same type or different types are placed to fall into different weighing storage hoppers 22 during the feeding and transportation processes. A cylinder is provided below the weighing hopper 22 in addition to the discharge door 224, and the opening and closing of the discharge door 224 is controlled by the movement of a piston rod of the cylinder. In addition, the discharge door 224 may be provided as an arc-shaped discharge door 224, or as a bucket-type discharge door.

In this embodiment, the pressing type weighing assembly 23 is fixedly installed on the support body 1, the pressing type weighing assembly 23 is located below the weighing storage hopper 22 at intervals, when in transportation, the weighing storage hopper 22 is fixedly locked on the support body 1 through the fixing assembly, so that the weighing storage hopper 22 and the support body 1 are connected into a whole, impact on the pressing type weighing assembly 23 caused by shaking cannot occur during transportation, when in transportation to a working position, the fixing assembly is loosened, so that the weighing storage hopper 22 and the support body 1 are unlocked, and the weighing storage hopper 22 can slightly move on the pressing type sensor 231, so that the pressing type weighing assembly can accurately weigh the weight of materials in the storage hopper.

The pressure sensor 231 includes an upper portion fixedly connected to the weighing hopper 22, a lower portion fixedly connected to the holder body 1, and a movable portion provided between the upper portion and the lower portion. When the fixed assembly locks the weighing and storing frame 21 with the bracket main body 1, the four corners corresponding to the top edge frame 221 are pulled downwards, so that the top edge frame 221 is firmly pressed on the pressing sensor 231, and the numerical value weighed by the pressing sensor 231 is larger than the sum of the materials in the top edge frame 221, the weighing and storing bin 222 and the weighing and storing bin 222. When the fixing assembly is unlocked, the weighing storage hopper 22 can be abutted and pressed on the pressing sensor 231, the top edge frame 221 is firmly pressed on the pressing sensor 231, and the numerical value weighed by the pressing sensor 231 is equal to the sum of the materials in the top edge frame 221, the weighing storage bin 222 and the weighing storage bin 222.

Further, the press type weighing assembly 23 comprises four press type sensors 231, the four press type sensors 231 are arranged at four corners of the top of the support body 1, the press type sensors 231 are detachably connected with the scale storage frame 21 through fixing assemblies, and the press type sensors 231 are used for completely receiving the weighing storage hopper 22 detached from the scale storage frame 21.

Further, the pressing sensor 231 and the storage frame 21 are fixedly installed at the top of the frame body 11, respectively.

Specifically, the pressure sensor 231 is an impact-proof pressure sensor. The marine turnbuckle is locked during transportation, and the sensor is prevented from being damaged by impact in the transportation process through the impact-resistant pressing type sensor and the rigging turnbuckle. The protection of the sensor adopts dual protection of the anti-impact sensor and the fastening of the turnbuckle of the rigging, so that the sensor is prevented from being damaged in the transportation process, the belt material transportation can be realized, and the sensor can be started to be used only by loosening the turnbuckle of the rigging when in field use.

The utility model provides a grit dosing unit and portable stirring station thereof is provided with more than two and calls and store up integrative mechanism 2, and it satisfies multiple concrete level and joins in marriage the requirement to store the grit behind the grit to remove to store up integrative mechanism 2 through a plurality of title, possesses certain storage capacity, can realize the area material transportation. When in transportation, the weighing storage hopper 22 is fixedly arranged on the pressing type weighing assembly, the weighing storage hopper 22 is transported to the working position, the weighing storage hopper 22 is unfixed with the pressing type weighing assembly 23, and the weighing storage hopper 22 can be pressed on the pressing type weighing assembly 23. That is, in the transportation process, a plurality of weighing and storing integrated mechanisms 2 are fixed on the weighing and storing frame 21, damage to the impact counter-pressure type weighing assembly 23 in the transportation process is avoided, the weighing and storing integrated mechanisms 2 and the weighing and storing frame 21 are loosened after reaching a use place, the weighing and storing integrated mechanisms are arranged on the weighing and storing frame 21, weighing of sand and stones can be carried out, the number of sand and stone discharging can be obtained according to the number of weighing by the pressing type weighing assembly 23, sand and stones can be stored and weighed, and belt transportation can be realized while the storage volume is increased. Can be used after being simply operated after arriving at the site. Can work without the cooperation of a loader, and is suitable for the requirements of movable batching of tunnels or railways.

In this embodiment, belt conveyor 3 includes belt main part support and above other parts are constituteed, belt main part support mainly is formed by the channel-section steel welding, belt main part support top is according to the position distribution of weighing hopper discharge opening 223 has an upper idler group, the lower part equipartition has a lower idler group, belt main part support afterbody is equipped with driven cylinder, driven cylinder passes through the belt seat bearing with belt main part support and is connected, driven cylinder rear is equipped with adjusting screw, be equipped with the striker plate through adjusting screw control conveyor belt tensioning above the main part support, the striker plate is used for preventing to unload and belt transportation in-process aggregate spill, belt main part support front portion is equipped with closing device and manual capstan winch, closing device is fixed on the main part support, compress tightly conveyor belt through the pinch roller, manual capstan winch inside is equipped with the steel wire, fixed pulley through belt main part support top is connected with batching support 1 front portion, and through manual rocker realization belt main part support front portion's pull up and put down, belt main part support is consolidated with support 1 front portion through the dead link after putting down the appointed position, belt main part support front portion is equipped with driving drum, drive drum through driving drum control whole belt.

The working process comprises the following steps:

after the proportioning device is conveyed to a designated position, a rigging turnbuckle is firstly loosened in the working process, the weighing storage hopper 22 is in a movable state, a weighing value is preset, the belt conveyor is operated through a rotary driving roller, the control cylinder opens the discharging door 224, sand and aggregate are poured above the conveying belt, the discharging weight is judged through the reduction of the bearing value displayed by the pressure sensor, so that the discharging door 224 is closed after the designated value is reached, and the sand and aggregate is conveyed to the next device through the conveying belt. Before use, the calibration is carried out on the pressing type weighing assembly 23, the numerical value displayed under the state that no material exists in the weighing storage hopper 22 is zero, the numerical value displayed when the material exists is the weight of the material, after the weighing storage hopper 22 and the support main body 1 are locked, the weighing storage hopper 22 is locked on the pressing type weighing assembly 23 through the tension force in four directions, the pressing type weighing assembly cannot freely move, the impact in the transportation process is prevented from causing the shaking of the storage hopper to damage the pressing type sensor 231, meanwhile, the numerical value displayed by the pressing type weighing assembly 23 is increased, after the fixing assembly is loosened, the weighing storage hopper 22 can freely shake within a certain range, the numerical value displayed by the pressing type weighing assembly 23 is reduced, and the normal weight of the material is changed.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (10)

1. A sand dosing device, comprising: a bracket main body (1), a weighing storage main body and a conveying main body (3);

the weighing and storing main body comprises more than two weighing and storing integrated mechanisms (2) which are sequentially arranged along the transportation direction of the conveying main body (3), and the weighing and storing integrated mechanisms (2) comprise a weighing and storing frame (21), a weighing and storing bucket (22) and a pressing type weighing assembly (23);

the weighing and storing frame (21) is detachably arranged on the pressing type weighing assembly (23) and is positioned above the conveying main body (3), the weighing and storing hopper (22) is fixedly arranged on the weighing and storing frame (21), and the weighing and storing hopper (22) can store sand and stone ingredients and discharge the stored sand and stone ingredients to the conveying main body (3);

the pressure type weighing assembly (23) is fixedly arranged between the support main body (1) and the weighing storage hopper (22), the pressure type weighing assembly (23) is selectively connected with the weighing storage hopper (22), and the pressure type weighing assembly (23) can weigh the weighing storage hopper (22) and the weight sum of the sand and stone ingredients inside the weighing storage hopper.

2. The sand and stone batching device according to claim 1, characterized in that the press weighing assembly (23) comprises four press sensors (231), and the four press sensors (231) are all arranged at the top four corners of the support body (1), when in transportation, the weighing storage hopper (22) is fixedly locked on the support body (1) through the fixing assembly, so that the weighing storage hopper (22) is connected with the support body (1) into a whole, when in transportation to a working position, the fixing assembly is loosened, so that the weighing storage hopper (22) is unlocked with the support body (1), and the weighing storage hopper (22) can move on the press sensors (231).

3. The sand dosing device according to claim 2, characterized in that the weighing hopper (22) comprises a top rim frame (221) and a weighing storage silo (222) arranged at the bottom of the top rim frame (221);

the top edge frame (221) is movably connected to the pressure type weighing assembly (23), and when the top edge frame (221) is abutted to the pressure type weighing assembly (23), the top edge frame (221) can be pressed on the pressure type sensor (231) of the pressure type weighing assembly (23).

4. A sand dosing device according to claim 3, characterized in that the bottom of the weigh bin (222) has two discharge openings (223), the two discharge openings (223) are directed towards the conveying body (3), a discharge door (224) is provided at both discharge openings (223), and the discharge door (224) can be opened or closed in relation to the discharge openings (223).

5. The sand dosing device of claim 4, wherein the discharge gate (224) is a circular arc discharge gate (224).

6. The sand and stone batching device according to claim 5, characterized in that the bracket main body (1) is of a steel structure, the bracket main body (1) comprises a frame main body (11) and a plurality of supporting legs (12) arranged at the bottom of the frame main body (11), and the top of the frame main body (11) is fixedly provided with the pressure type sensor (231) and the weighing and storing frame (21) respectively.

7. The sand dosing device according to claim 6, characterized in that the weighing hopper (22) is detachably mounted to the weighing storage frame (21) by means of the fixing assembly.

8. The sand dosing device according to claim 1, characterized in that the scale storage integrated mechanism (2) further comprises a baffle (24), the baffle (24) being fixedly mounted on the scale storage frame (21).

9. The sand batching device according to claim 1, further comprising a conveying platform (4), wherein the conveying main body (3) and the bracket main body (1) are fixedly mounted on the conveying platform (4), and the conveying main body (3) is a belt.

10. A mobile mixing station comprising a sand batching plant according to any one of claims 1 to 9.