CN209992043U

CN209992043U - Powder bin material level detector convenient to observe

Info

Publication number: CN209992043U
Application number: CN201921066250.XU
Authority: CN
Inventors: 蒙飞丞; 陆子平; 韦炳军; 伍志滨; 杨均远; 雷振宁; 雷淑婉; 姚军; 谭备战; 黄忠贵
Original assignee: GUANGXI DADU CONCRETE GROUP CO Ltd
Current assignee: GUANGXI DADU CONCRETE GROUP CO Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-01-24
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a powder bin material level detector convenient for observation, which mainly comprises a control mechanism, a motor, a rotating shaft, a winding drum I, a winding drum II, an elongated slot body and at least more than one supporting frame; the winding drum I is positioned at the upper part of the storage bin and fixedly sleeved on the rotating shaft, a steel cable I is wound on the winding drum I, and a heavy hammer is freely suspended at one end of the steel cable I; the long groove body is positioned right below the rotating shaft, the bottom surface or the side surface of the long groove body is fixedly connected with the outer side of the storage bin, and the length of the long groove body is the same as the height of the storage bin; the winding drum II is located right above the long trough body and fixedly sleeved on the rotating shaft, a steel cable I II is wound on the winding drum II, a sliding block is freely suspended at one end of the steel cable II, and the sliding block is located in the trough of the long trough body and can slide up and down relative to the long trough body. The utility model discloses can monitor the material level in the powder storehouse in real time, and the operating personnel of being convenient for observe and read the material level data.

Description

Powder bin material level detector convenient to observe

Technical Field

The utility model relates to a powder storehouse material level detector convenient to observe belongs to material level detection technical field.

Background

The common concrete is artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral admixtures if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely molding, curing and hardening. The concrete mixing plant is a combined device for intensively mixing concrete, and is also called a concrete precast yard. Because of its high degree of mechanization and automation, it has high productivity, can ensure the quality of concrete and save cement, and is commonly used in large and medium-sized water conservancy projects, electric power projects, bridges and other projects with large concrete engineering quantity, long construction period and centralized construction sites. With the development of municipal construction, the mixing plant which adopts centralized mixing and provides commercial concrete has great superiority, thereby being developed rapidly and creating conditions for promoting concrete pumping construction and realizing combined operation of mixing, conveying and pouring machines.

The existing level instruments are mainly divided into a rotation-resisting level instrument, an ultrasonic level instrument and a laser level instrument, and are usually installed at the high altitude of the outer wall of the powder bin and are not beneficial to observing the level of the material bin on site when an operator inspects the powder bin in an inspection process; on the other hand, the circuit that level appearance teletransmission material level information used receives external environment influence easily and the fracture for operating personnel can't correctly obtain material level information, and the reinforced or blowing work of direct influence feed bin appears hidden danger such as the full jar of feed bin easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of existence among the prior art, provide a powder storehouse material level detector convenient to observe, can monitor the material level in the powder storehouse in real time, and the operating personnel of being convenient for observe and read material level data.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a powder bin material level detector convenient for observation mainly comprises a control mechanism, a motor, a rotating shaft, a winding drum I, a winding drum II, a long groove body and at least one supporting frame; the rotating shaft of the motor is fixedly connected with the rotating shaft and is used for driving the rotating shaft to rotate; the support frame is positioned at the lower part of the rotating shaft, the bottom of the support frame is fixedly connected with the storage bin, the top of the support frame is connected with the rotating shaft through the rolling rotating shaft, and the support frame plays a role in supporting the rotating shaft; the winding drum I is positioned at the upper part of the storage bin and fixedly sleeved on the rotating shaft, the winding drum I and the rotating shaft rotate synchronously, a steel cable I is wound on the winding drum I, a heavy hammer is freely suspended at one end of the steel cable I, and a pressure sensor I is arranged at the bottom of the heavy hammer; the heavy hammer vertically enters the bin through a corresponding flange opening arranged on the bin and vertically moves up and down under the pulling of a steel cable I; the long groove body is positioned right below the rotating shaft, the bottom surface or the side surface of the long groove body is fixedly connected with the outer side of the storage bin, and the length of the long groove body is the same as the height of the storage bin; the winding drum II is positioned right above the long trough body and fixedly sleeved on the rotating shaft, the winding drum II and the rotating shaft rotate synchronously, a steel cable II is wound on the winding drum II, a sliding block is freely suspended at one end of the steel cable II, and the sliding block is positioned in the trough of the long trough body and can slide up and down relative to the long trough body; the control mechanism is used for controlling the starting or stopping of the motor and calculating the height of the material level in the storage bin.

Further, control mechanism includes signal receiver unit, steel cable counter, data storage unit, data processing unit, signal transmission unit, signal receiver unit is used for receiving various sensor signal and transmits to data processing unit, the steel cable counter is used for measuring the length of steel cable I from reel I release and transmits to data processing unit, data storage unit is used for storing the material level height data that the length of steel cable I corresponds, data processing unit compares data received from the steel cable counter with data storage unit's data, calculates and obtains the material level height and transmits to signal transmission unit, signal transmission unit is used for sending data signal to outside display or central control system.

Furthermore, a stop block is arranged at the upper part of the long groove body, and a through hole is formed in the center of the stop block and is used for a steel cable II to pass through; the lower part of dog and one side fixed mounting at the through-hole have pressure sensor II, the lower part of long cell body is equipped with the baffle, fixed mounting has pressure sensor III on the baffle, and when pressure sensor II or pressure sensor III touched when the slider, pressure sensor II or pressure sensor III sent signal to control mechanism.

Furthermore, the outside of long cell body is equipped with the scale on the surface for read the height of slider, the material level of the on-the-spot observation feed bin of operating personnel of being convenient for.

Further, powder storehouse material level detector convenient to observe still is equipped with alarm mechanism, alarm mechanism fixed connection is on the side at the top of feed bin, alarm mechanism is including scintillation alarm lamp and bee calling organ, alarm mechanism starts or stops scintillation alarm lamp and bee calling organ according to the signal that control mechanism sent.

Furthermore, be equipped with transparent guard shield on the opening face of long cell body, can protect the motion of slider not influenced, the operating personnel of still being convenient for observes the slider position.

Further, the powder bin material level detector convenient to observe is equipped with the protection casing outward for protection equipment does not receive external environment's influence.

The working principle of the utility model is as follows:

when the utility model is used for material level measurement, firstly, the control mechanism controls the motor to drive the rotating shaft to rotate, the winding drum I and the winding drum II synchronously rotate to release the steel cable I and the steel cable II, so that the heavy hammer and the slider synchronously move downwards vertically, when the heavy hammer touches the material, the pressure sensor I sends a signal to the control mechanism after detecting the pressure change, the control mechanism stops the motor to rotate the rotating shaft, the position of the slider is the material level height of the storage bin, and the control mechanism can also calculate the material level height according to the length released by the steel cable I and send the material level height to an external display or a central control system; the control mechanism stops the motor to enable the rotating shaft to rotate, then immediately starts the motor and reversely rotates the rotating shaft, so that the winding drum I and the winding drum II synchronously and reversely rotate to rewind and recover the steel cable I and the steel cable II, the heavy hammer and the sliding block synchronously and vertically move upwards, when the steel cable I returns to the initial length, the control mechanism stops the motor firstly and then starts the motor to normally rotate the rotating shaft, so that the winding drum I and the winding drum II synchronously and forwardly rotate to release the steel cable I and the steel cable II, the heavy hammer and the sliding block synchronously and vertically move downwards, and the material level of the storage bin can be monitored through repeated circulation; when the sliding block touches the pressure sensor II or the pressure sensor III, the material level is indicated to be full or empty, the pressure sensor II or the pressure sensor III sends a signal to the control mechanism at the moment, the control system stops the motor after receiving the signal, and meanwhile the signal is sent to the alarm mechanism to start the flashing alarm lamp and the buzzer to give an alarm.

Compared with the prior art, the technical scheme has the following beneficial effects:

1. the utility model discloses utilize the motor to drive two synchronous forward or the antiport of the epaxial reel of same commentaries on classics, release or retrieve the steel cable of winding above them for weight and slider upwards move or move down simultaneously, realize the real-time supervision to the feed bin material level, and operating personnel can obtain feed bin material level data through observing the interior slider position of the outer long cell body of reading feed bin in addition on the scene, when meetting the condition in full storehouse or empty storehouse, can in time report to the police and indicate operating personnel to handle simultaneously.

2. The utility model discloses utilize mechanical transmission mode to realize detecting the material level condition of feed bin, especially be used for the material level of powder storehouse to detect time measuring, can avoid the dust to the interference that the material level detected, keep the detection precision of material level detector.

3. The utility model has the advantages of simple structure, the operation and the maintenance of being convenient for are applicable to the material level detection of the feed bin or the holding vessel that are equipped with different grade type material.

Drawings

Fig. 1 is a schematic diagram of a standard cross-sectional structure according to an embodiment of the present invention.

Reference numerals: 1-a storage bin, 2-a control mechanism, 3-a motor, 4-a rotating shaft, 5-a drum I, 6-a drum II, 7-a stop block, 8-a pressure sensor II, 9-a support frame, 10-a steel cable II, 11-a steel cable I, 12-a transparent shield, 13-a slide block, 14-a heavy hammer, 15-a pressure sensor I, 16-a long groove body, 17-a pressure sensor III, 18-a protective cover, 19-a baffle and 20-an alarm mechanism.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, but the present invention is not limited to the examples. The specific experimental conditions and methods not indicated in the following examples are generally conventional means well known to those skilled in the art.

Example 1:

as shown in attached figure 1, the powder bin material level detector convenient for observation comprises a control mechanism 2, a motor 3, a rotating shaft 4, a winding drum I5, a winding drum II 6, a long groove body 16, an alarm mechanism 20 and two support frames 9; the rotating shaft of the motor 3 is fixedly connected with the rotating shaft 4 and is used for driving the rotating shaft 4 to rotate; the supporting frame 9 is positioned at the lower part of the rotating shaft 4, the bottom of the supporting frame 9 is fixedly connected with the storage bin 1, the top of the supporting frame 9 is connected with the rotating shaft 4 through a rolling rotating shaft, and the supporting frame 9 plays a role in supporting the rotating shaft 4; the winding drum I5 is positioned at the upper part of the storage bin 1 and fixedly sleeved on the rotating shaft 4, the winding drum I5 and the rotating shaft 4 rotate synchronously, a steel cable I11 is wound on the winding drum I5, a heavy hammer 14 is freely suspended at one end of the steel cable I11, and a pressure sensor I15 is arranged at the bottom of the heavy hammer 14; the heavy hammer 14 vertically enters the bin 1 through a corresponding flange opening arranged on the bin 1 and vertically moves up and down under the pulling of a steel cable I11; the long groove body 16 is positioned right below the rotating shaft 4, the bottom surface of the long groove body 16 is fixedly connected with the outer side of the storage bin 1, the length of the long groove body 16 is the same as the height of the storage bin 1, and the outer side surface of the long groove body 16 is provided with scales; the winding drum II 6 is positioned right above the long groove body 16 and is fixedly sleeved on the rotating shaft 4, the winding drum II 6 and the rotating shaft 4 rotate synchronously, a steel cable II 10 is wound on the winding drum II 6, a sliding block 13 is freely suspended at one end of the steel cable II 10, and the sliding block 13 is positioned in the groove of the long groove body 16 and can slide up and down relative to the long groove body 16; the control mechanism 2 is used for controlling the starting or stopping of the motor 3 and calculating the height of the material level in the storage bin 1; the control mechanism 2 comprises a signal receiving unit, a steel cable counter, a data storage unit, a data processing unit and a signal sending unit, wherein the signal receiving unit is used for receiving various sensor signals and transmitting the signals to the data processing unit, the steel cable counter is used for measuring the length of the steel cable I11 released from the winding drum I5 and transmitting the length to the data processing unit, the data storage unit is used for storing material level height data corresponding to the length of the steel cable I11, the data processing unit compares the data received from the steel cable counter with the data of the data storage unit, calculates the material level height and transmits the material level height to the signal sending unit, and the signal sending unit is used for sending data signals to an external display or a central control system; a stop dog 7 is arranged at the upper part of the long groove body 16, and a through hole is formed in the center of the stop dog 7 and is used for a steel cable II 10 to pass through; a pressure sensor II 8 is fixedly mounted on the lower portion of the stop block 7 and one side of the through hole, a baffle plate 19 is arranged on the lower portion of the long groove body 16, a pressure sensor III 17 is fixedly mounted on the baffle plate 19, and when the sliding block 13 touches the pressure sensor II 8 or the pressure sensor III 17, the pressure sensor II 8 or the pressure sensor III 17 sends a signal to the control mechanism 2; the alarm mechanism 20 is fixedly connected to the side surface of the top of the storage bin 1, the alarm mechanism 20 comprises a flashing alarm lamp and a buzzer, and the alarm mechanism 20 starts or stops flashing the alarm lamp and the buzzer according to a signal sent by the control mechanism 2; the opening surface of the long groove body 16 is provided with a transparent shield 12, and a protective cover 18 is arranged outside the powder bin material level detector convenient for observation; the data processing unit can adopt a singlechip or a PLC (programmable logic controller), such as a singlechip C8051F 020; the pressure sensor I15, the pressure sensor II 8 and the pressure sensor III 17 can adopt LH-Y01-20-4M type miniature pressure sensors; the wire rope counter can adopt a JC-L type wire and cable wheel type meter counter.

When the utility model is used for material level measurement, firstly, the control mechanism 2 controls the motor 3 to drive the rotating shaft 4 to rotate, the winding drum I5 and the winding drum II 6 synchronously rotate to release the steel cable I11 and the steel cable II 10, thereby the heavy hammer 14 and the slider 13 synchronously move downwards vertically, when the heavy hammer 14 touches materials, the pressure sensor I15 sends a signal to the control mechanism 2 after detecting pressure change, the control mechanism 2 stops the motor 3 to enable the rotating shaft 4 to rotate, the position of the slider 13 is the material level height of the storage bin 1 at the moment, the control mechanism 2 can calculate the material level height according to the length released by the steel cable I11 and sends the material level height to an external display or a central control system; the control mechanism 2 stops the motor 3 to enable the motor 3 to be started immediately after the rotating shaft 4 rotates and rotates the rotating shaft 4 reversely, the winding drum I5 and the winding drum II 6 synchronously rotate reversely to rewind and recover the steel cable I11 and the steel cable II 10, so that the heavy hammer 14 and the sliding block 13 synchronously and vertically move upwards, when the steel cable I11 returns to the initial length, the control mechanism 2 stops the motor 3 firstly and then starts the motor 3 to normally rotate the rotating shaft 4, the winding drum I5 and the winding drum II 6 synchronously and normally rotate to release the steel cable I11 and the steel cable II 10, so that the heavy hammer 14 and the sliding block 13 synchronously and vertically move downwards, and the material level of the storage bin 1 can be monitored through repeated circulation; when the sliding block 13 touches the pressure sensor II 8 or the pressure sensor III 17, the material level is indicated to be full or empty, at the moment, the pressure sensor II 8 or the pressure sensor III 17 sends a signal to the control mechanism 2, the control system stops the motor 3 after receiving the signal, and meanwhile, the signal is sent to the alarm mechanism 20 to start the flashing alarm lamp and the buzzer to give an alarm.

The present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides a powder storehouse material level detector convenient to observe which characterized in that: the device mainly comprises a control mechanism (2), a motor (3), a rotating shaft (4), a winding drum I (5), a winding drum II (6), a long groove body (16) and at least one supporting frame (9); the rotating shaft of the motor (3) is fixedly connected with the rotating shaft (4) and is used for driving the rotating shaft (4) to rotate; the supporting frame (9) is positioned at the lower part of the rotating shaft (4), the bottom of the supporting frame (9) is fixedly connected with the storage bin (1), the top of the supporting frame (9) is connected with the rotating shaft (4) through the rolling rotating shaft, and the supporting frame (9) plays a role in supporting the rotating shaft (4); the winding drum I (5) is positioned at the upper part of the storage bin (1) and fixedly sleeved on the rotating shaft (4), the winding drum I (5) and the rotating shaft (4) synchronously rotate, a steel cable I (11) is wound on the winding drum I (5), a heavy hammer (14) is freely suspended at one end of the steel cable I (11), and a pressure sensor I (15) is arranged at the bottom of the heavy hammer (14); the heavy hammer (14) vertically enters the stock bin (1) through a corresponding flange opening arranged on the stock bin (1) and vertically moves up and down under the pulling of a steel cable I (11); the long groove body (16) is positioned right below the rotating shaft (4), the bottom surface or the side surface of the long groove body (16) is fixedly connected with the outer side of the storage bin (1), and the length of the long groove body (16) is the same as the height of the storage bin (1); the winding drum II (6) is positioned right above the long groove body (16) and fixedly sleeved on the rotating shaft (4), the winding drum II (6) and the rotating shaft (4) rotate synchronously, a steel cable II (10) is wound on the winding drum II (6), a sliding block (13) is freely suspended at one end of the steel cable II (10), and the sliding block (13) is positioned in the groove of the long groove body (16) and can slide up and down relative to the long groove body (16); the control mechanism (2) is used for controlling the starting or stopping of the motor (3) and calculating the height of the material level in the storage bin (1).

2. The convenient-to-observe powder bin level detector as claimed in claim 1, wherein: control mechanism (2) include signal receiving unit, steel cable counter, data storage unit, data processing unit, signal transmission unit, signal receiving unit is used for receiving sensor signal and transmits to data processing unit, the steel cable counter is used for measuring length that steel cable I (11) released from reel I (5) and transmits to data processing unit, data storage unit is used for saving the material level height data that the length of steel cable I (11) corresponds, data processing unit compares the data that receive from the steel cable counter with data storage unit's data, calculates and obtains the material level height and transmits to signal transmission unit, signal transmission unit is used for sending data signal to outside display or central control system.

3. The convenient-to-observe powder bin level detector as claimed in claim 1, wherein: a stop block (7) is arranged at the upper part of the long groove body (16), and a through hole is formed in the center of the stop block (7) and is used for a steel cable II (10) to pass through; the lower part of dog (7) and one side fixed mounting at the through-hole have pressure sensor II (8), the lower part of long cell body (16) is equipped with baffle (19), fixed mounting has pressure sensor III (17) on baffle (19), when pressure sensor II (8) or pressure sensor III (17) are touched in slider (13), pressure sensor II (8) or pressure sensor III (17) send signal to control mechanism (2).

4. The convenient-to-observe powder bin level detector as claimed in claim 3, wherein: scales are arranged on the outer side surface of the long groove body (16) and used for reading the height of the sliding block (13).

5. The convenient-to-observe powder bin level detector as claimed in claim 1, wherein: powder storehouse material level detector convenient to observe still is equipped with alarm mechanism (20), alarm mechanism (20) fixed connection is on the side at the top of feed bin (1), alarm mechanism (20) are including scintillation alarm lamp and bee calling organ, alarm mechanism (20) start or stop scintillation alarm lamp and bee calling organ according to the signal that control mechanism (2) sent.

6. The convenient-to-observe powder bin level detector as claimed in any one of claims 1-5, wherein: the opening surface of the long groove body (16) is provided with a transparent shield (12), and a protective cover (18) is arranged outside the powder bin level detector convenient for observation.