CN114180292A

CN114180292A - Transportation metering device

Info

Publication number: CN114180292A
Application number: CN202111509264.6A
Authority: CN
Inventors: 姜一博; 孙建韬
Original assignee: Yantai Jereh Oilfield Services Group Co Ltd
Current assignee: Yantai Jereh Oilfield Services Group Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-03-15

Abstract

The invention provides a transportation metering device, which is used for transporting and metering granular materials, and comprises: a feeding part having a feeding port; the conveying part is movably arranged below the material supply port and is provided with a material bearing groove; the speed signal acquisition part is connected with the transportation part; the unloading regulating part, unloading regulating part height adjustable festival sets up in feed opening department, and the unloading regulating part stretches into to the material bears the weight of in the notch, and the unloading bottom of unloading regulating part and the cell wall of material bearing groove enclose into invariable transportation and bear the weight of the chamber. Through the technical scheme provided by the invention, the technical problem of inaccurate metering of the transportation metering device in the prior art can be solved.

Description

Transportation metering device

Technical Field

The invention relates to the technical field of transportation metering, in particular to a transportation metering device.

Background

At present, a well site sand mixing system in the prior art generally adopts a structure of combining a sand storage sand tank, a sand conveying auger and a sand mixing tank, wherein the auger is used for conveying sand at a feed opening of the sand tank into the sand mixing tank, the rotating speed of the auger is adjusted to adjust the sand conveying flow, and the accumulated sand conveying amount can be calculated according to the revolution of the auger.

However, the adoption of the structure has the problems that the metering is inaccurate in the continuous conveying process of the granular materials, and the metering error of the sand amount is large.

Disclosure of Invention

The invention mainly aims to provide a transportation metering device to solve the technical problem that the metering of the transportation metering device in the prior art is inaccurate.

In order to achieve the above object, the present invention provides a transportation metering device for transporting and metering particulate materials, the transportation metering device comprising: a feeding part having a feeding port; the conveying part is movably arranged below the material supply port and is provided with a material bearing groove; the speed signal acquisition part is connected with the transportation part; the unloading regulating part, unloading regulating part height adjustable festival sets up in feed opening department, and the unloading regulating part stretches into to the material bears the weight of in the notch, and the unloading bottom of unloading regulating part and the cell wall of material bearing groove enclose into invariable transportation and bear the weight of the chamber.

Furthermore, the blanking adjusting part is sleeved at the feeding port in a lifting manner; or the blanking adjusting part is telescopically arranged at the feed opening.

Further, the transportation metering device further comprises: the driving part is connected with the transportation part and drives the transportation part to transport.

Further, the driving part comprises a speed-adjustable motor structure, and an output shaft of the speed-adjustable motor structure is connected with the conveying part.

Furthermore, the speed-adjustable motor structure comprises a frequency converter and an alternating current motor, wherein the frequency converter is connected with the alternating current motor; or the speed-adjustable motor structure comprises a transformer and a direct current motor, wherein the transformer is connected with the direct current motor; or the speed-adjustable motor structure comprises a proportional valve and a hydraulic motor, and the proportional valve is connected with the hydraulic motor; or the speed-adjustable motor structure comprises a proportional valve and a pneumatic motor, and the proportional valve is connected with the pneumatic motor; or the speed-adjustable motor structure comprises a stepping motor and a driver, and the stepping motor is connected with the driver; or the speed-adjustable motor structure comprises a servo motor and a driver, and the servo motor is connected with the driver.

Further, the speed signal acquiring section is a speed detecting sensor, and the speed detecting sensor is mounted on the transporting section.

Further, when the speed-adjustable motor structure comprises a frequency converter and an alternating current motor; or, when the adjustable speed motor structure comprises a transformer and a direct current motor; or, when the adjustable speed motor structure includes a proportional valve and a hydraulic motor; alternatively, when the adjustable speed motor structure includes a proportional valve and an air motor; the transportation metering device further comprises: and the encoder is connected with the alternating current motor, the direct current motor, the hydraulic motor or the pneumatic motor and forms a speed signal acquisition part.

Further, when the adjustable speed motor structure includes a driver and a stepping motor; or, when the speed-adjustable motor structure comprises the servo motor and the driver, the transportation metering device further comprises: and the controller is connected with the stepping motor or the speed regulating motor and forms a speed signal acquisition part.

Further, the transport portion includes: a conveyor belt having a transport state and a load-bearing state; when the conveyer belt is in a conveying state, the conveyer belt is in a straight structure; when the conveyer belt is in a bearing state, the conveyer belt is bent to form a material bearing groove.

Further, the transport portion further includes: and the bearing part is provided with a supporting groove, the bearing part is positioned below the feeding part, the bearing part is positioned at the bottom of the conveying belt, and at least part of the conveying belt is positioned in the supporting groove and forms a material bearing groove.

Further, the carrier includes: the supporting device comprises a plurality of supporting rollers which are sequentially connected, and a U-shaped supporting groove is formed by the surrounding of the supporting rollers.

Further, the transportation metering device further comprises: at least two bracing pieces, at least two bracing pieces all set up in the below that holds carrier, and two bracing pieces in at least two bracing pieces are located the both sides that hold carrier respectively.

By applying the technical scheme of the invention, the sand well feeding port falls into the transportation bearing groove under the action of gravity, sand in the blanking adjusting part stops flowing when natural accumulation is formed, and the driving belt can realize automatic blanking and fully fill the materials into the transportation bearing cavity. The section area of the sand after leaving the feed opening of the blanking adjusting part is a determined value by adjusting the blanking adjusting part, the speed signal of the transportation part is obtained by the speed signal obtaining part, the instant sand conveying volume flow at the moment can be obtained, the instant mass flow can be obtained by multiplying the instant sand conveying volume flow by the density of the sand, and the accumulated sand conveying amount can be obtained by integral calculation of the belt speed. Therefore, the technical scheme provided by the invention can be used for conveniently and accurately acquiring the sand conveying amount.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic view of a transport metering device with a blanking adjustment portion at a slot opening of a material carrying chute provided in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 with the addition of a tensioning structure;

figure 3 shows a side view of the material carrying trough of figures 1 and 2;

FIG. 4 shows a schematic view of a transport metering device with a blanking adjustment portion extending into a slot opening of a material-carrying chute provided in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 with the addition of a tensioning structure;

figure 6 shows a side view of the material carrying trough of figures 4 and 5;

fig. 7 shows a top view of fig. 1.

Wherein the figures include the following reference numerals:

10. a feeding section; 11. a feedwell; 20. a transport section; 21. a material bearing groove; 22. a conveyor belt; 23. a carrier; 24. a support bar; 25. a tensioning structure; 30. a blanking adjusting part; 40. a drive section; 50. a speed detection sensor; 60. sand.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 7, an embodiment of the present invention provides a transportation metering device for transporting and metering particulate materials, the transportation metering device includes a feeding portion 10, a transporting portion 20, a speed signal acquiring portion and a blanking adjusting portion 30, the feeding portion 10 has a feeding port 11. A transport section 20 is movably arranged below the feedwell 11, the transport section 20 having a material carrying trough 21. The speed signal acquisition part is connected with the transportation part 20 and is arranged, the blanking adjusting part 30 is arranged at the feed opening 11 in a height-adjustable mode, the blanking adjusting part 30 extends into the material bearing groove 21, and the blanking bottom end of the blanking adjusting part 30 and the groove wall of the material bearing groove 21 enclose a constant transportation bearing cavity.

By adopting the transportation metering device provided by the embodiment, the sand 60 well feeding port 11 falls into the transportation bearing groove under the action of gravity, the sand 60 in the blanking adjusting part 30 stops flowing when natural accumulation is formed, and the driving belt can realize automatic blanking and fully fill the materials into the transportation bearing cavity. The section area of the sand 60 driven away from the feed opening of the blanking adjusting part 30 is a determined value by adjusting the blanking adjusting part 30, the instantaneous sand conveying volume flow at the moment can be obtained by the speed signal of the transportation part 20 obtained by the speed signal obtaining part, the instantaneous mass flow can be obtained by multiplying the instantaneous sand conveying volume flow by the density of the sand 60, and the accumulated sand conveying amount can be obtained by integral calculation of the belt speed. Therefore, the sand conveying device provided by the invention can conveniently and accurately obtain the sand conveying amount.

Specifically, the blanking adjusting part 30 is sleeved at the feed port 11 in a lifting manner; alternatively, the discharging adjustment part 30 may be telescopically provided at the feedwell 11. By adopting the structure, the height of the feed opening can be adjusted through the feed adjusting part 30, so that the distance between the feed opening and the bearing groove is changed, and a constant transportation bearing cavity with different capacities is conveniently formed, so that the sand conveying amount is calculated.

In this embodiment, the transportation metering device further includes a driving portion 40, the driving portion 40 is connected to the transportation portion 20, and the driving portion 40 drives the transportation portion 20 to transport, so as to stably transport the sand 60.

Specifically, the driving part 40 includes an adjustable speed motor structure, and an output shaft of the adjustable speed motor structure is connected with the transporting part 20. By adopting the structure, the sand conveying flow can be adjusted by adjusting the rotating speed of the speed regulating motor structure, the area of the sand 60 on the transverse section (namely, the area for adjusting the conveying bearing cavity) can be adjusted by adjusting the height of the blanking adjusting part 30 relative to the belt, and the adjusting range of the sand conveying flow is expanded. The height of the blanking adjusting part 30 and the section area of the sand 60 are in a certain correlation, and the corresponding section area of the sand 60 can be obtained only by obtaining the height value of the blanking adjusting device.

Specifically, the speed-adjustable motor structure comprises a frequency converter and an alternating current motor, wherein the frequency converter is connected with the alternating current motor; or the speed-adjustable motor structure comprises a transformer and a direct current motor, wherein the transformer is connected with the direct current motor; or the speed-adjustable motor structure comprises a proportional valve and a hydraulic motor, and the proportional valve is connected with the hydraulic motor; or the speed-adjustable motor structure comprises a proportional valve and a pneumatic motor, and the proportional valve is connected with the pneumatic motor; or the speed-adjustable motor structure comprises a stepping motor and a driver, and the stepping motor is connected with the driver; or the speed-adjustable motor structure comprises a servo motor and a driver, and the servo motor is connected with the driver. With such a structural arrangement, it is possible to facilitate adjustment of the rotation speed of the transport section 20.

In one embodiment, the speed signal acquiring part is a speed detecting sensor 50, and the speed detecting sensor 50 is installed on the transporting part 20 so as to rapidly acquire the speed of the transporting part 20.

In another embodiment, when the adjustable speed motor structure includes a frequency converter and an ac motor; or, when the adjustable speed motor structure comprises a transformer and a direct current motor; or, when the adjustable speed motor structure includes a proportional valve and a hydraulic motor; alternatively, when the adjustable speed motor structure includes a proportional valve and an air motor; the transportation metering device further comprises: the encoder is connected with the alternating current motor, the direct current motor, the hydraulic motor or the pneumatic motor, and the encoder forms a speed signal acquisition part so as to acquire the speed quickly. In particular, the rotational speed and the number of revolutions are read by an encoder in order to calculate the material conveying speed and the total amount.

In yet another embodiment, when the adjustable speed motor structure comprises a driver and a stepper motor; or, when the speed-adjustable motor structure comprises the servo motor and the driver, the transportation metering device further comprises: and the controller is connected with the stepping motor or the speed regulating motor, and the controller forms a speed signal acquisition part so as to acquire the speed quickly. In particular, the rotational speed and number of revolutions may be read by the controller to facilitate calculation of the material delivery rate and total amount.

In all of the above embodiments, the transport section 20 includes the transport belt 22, and the transport belt 22 has a transport state and a loading state; when the conveyor belt 22 is in the transport state, the conveyor belt 22 is in a straight configuration; when the conveyor belt 22 is in the loaded state, the conveyor belt 22 is bent to form the material loading chute 21. With such a structural arrangement, the sand 60 can be conveniently transported through the transport belt 22 and can also be conveniently transported through the material bearing groove 21 through the transport belt 22. Or the belt in the embodiment is a groove-shaped belt, and the adjustment and control of the sand conveying flow and the accumulated sand amount are realized by measuring the sectional area of the groove and matching with the other characteristics.

In particular, the transport section 20 in this embodiment further comprises a carrier 23, which carrier 23 has support recesses, which carrier 23 is located below the serviser 10, which carrier 23 is located at the bottom of the transport belt 22, at least part of the transport belt 22 being located in the support recesses and forming the material carrying pockets 21. By adopting the structure, the material bearing groove 21 can be formed conveniently and stably, and the transportation stability of the material bearing groove 21 is improved.

In the present embodiment, the carrier 23 includes a plurality of idlers, which are connected in sequence, and form a U-shaped support groove. By adopting the structure, the cross-sectional area of the supporting groove can be calculated conveniently, so that the sand conveying amount can be calculated conveniently.

Specifically, the transportation metering device further includes at least two support rods 24, the at least two support rods 24 are both disposed below the bearing part 23, and two support rods 24 of the at least two support rods 24 are respectively located at two sides of the bearing part 23. By adopting the structure, the stability of the arrangement can be improved conveniently, the stable transportation is convenient, and the stable formation of the material bearing groove 21 through the bearing part 23 is also convenient.

The transport section 20 in this embodiment also comprises a tensioning structure 25, by means of which tensioning of the belt is achieved 25. The belt is tightened and attached to each set of carrier rollers by the tensioning structure 25, the belt is U-shaped in a transverse section at the U-shaped carrier roller set, and the belt is in a straight state at an unloaded branch. The drive section 40 rotates the belt to convey the sand 60. The feed opening is located in the U-shaped section above the belt and is at a suitable distance from the belt. The sand 60 above the feed opening falls into the U-shaped section of the belt under the action of gravity, and when natural accumulation is formed, the sand 60 at the feed opening automatically stops flowing, and at the moment, the belt is driven to realize automatic feeding. The height of the feeding adjusting part is adjusted to ensure that the section area of the sand 60 driven away from the feeding hole is a determined value (when the plane is parallel and level, the section area is the upper rectangular area and the lower semicircular area), the belt speed at the moment is read through the speed sensor, the instantaneous sand conveying volume flow at the moment can be obtained, the instantaneous mass flow can be obtained by multiplying the density of the sand 60, and the accumulated sand conveying amount can be obtained through integral calculation of the belt speed.

In this embodiment, the transportation metering device further comprises a brake structure for emergency braking, a backstop structure for preventing overturning, and a coupling.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the sand conveying amount can be calculated accurately, and the calculation accuracy of the sand conveying amount is improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A transportation metering device for transporting and metering particulate material, the transportation metering device comprising:

a feeding section (10), the feeding section (10) having a feed opening (11);

the conveying part (20) is movably arranged below the feeding port (11), and the conveying part (20) is provided with a material bearing groove (21);

a speed signal acquisition part connected with the transportation part (20);

the feeding device comprises a feeding port (11), a feeding adjusting portion (30), wherein the feeding adjusting portion (30) is arranged at the position of the feeding port (11) in a height-adjustable mode, the feeding adjusting portion (30) extends into the opening of the material bearing groove (21), and the feeding bottom end of the feeding adjusting portion (30) and the wall of the material bearing groove (21) form a constant conveying bearing cavity.

2. The transportation metering device of claim 1,

the blanking adjusting part (30) is sleeved at the feed port (11) in a lifting manner; or,

the blanking adjusting part (30) is telescopically arranged at the feed opening (11).

3. The transportation metering device of claim 1, further comprising:

the driving part (40) is connected with the transportation part (20), and the driving part (40) drives the transportation part (20) to transport.

4. A transportation metering device according to claim 3, characterized in that the drive part (40) comprises an adjustable speed motor structure, the output shaft of which is connected with the transportation part (20).

5. The transportation metering device of claim 4,

the speed-adjustable motor structure comprises a frequency converter and an alternating current motor, wherein the frequency converter is connected with the alternating current motor; or,

the speed-adjustable motor structure comprises a transformer and a direct current motor, wherein the transformer is connected with the direct current motor; or,

the speed-adjustable motor structure comprises a proportional valve and a hydraulic motor, wherein the proportional valve is connected with the hydraulic motor; or,

the speed-adjustable motor structure comprises a proportional valve and an air motor, wherein the proportional valve is connected with the air motor; or,

the speed-adjustable motor structure comprises a stepping motor and a driver, and the stepping motor is connected with the driver; or,

the speed-adjustable motor structure comprises a servo motor and a driver, wherein the servo motor is connected with the driver.

6. The transportation metering device of claim 5,

the speed signal acquisition part is a speed detection sensor (50), and the speed detection sensor (50) is installed on the transportation part (20).

7. A transportation metering device according to claim 5, wherein when the adjustable speed motor arrangement comprises a frequency converter and an AC motor; or, when the adjustable speed motor structure comprises a transformer and a direct current motor; or, when the adjustable speed motor structure includes a proportional valve and a hydraulic motor; alternatively, when the adjustable speed motor structure includes a proportional valve and an air motor; the transportation metering device further comprises:

and an encoder connected to the ac motor, the dc motor, the hydraulic motor, or the pneumatic motor, the encoder forming the speed signal acquiring unit.

8. The transportation metering device of claim 5, wherein when the adjustable speed motor structure comprises a driver and a stepper motor; or, when the speed-adjustable motor structure comprises a servo motor and a driver, the transportation metering device further comprises:

and the controller is connected with the stepping motor or the speed regulating motor and forms the speed signal acquisition part.

9. A transportation metering device according to claim 1, characterized in that the transportation portion (20) comprises:

a transport belt (22), the transport belt (22) having a transport state and a load-bearing state; when the conveyor belt (22) is in the conveying state, the conveyor belt (22) is of a straight structure; when the conveyor belt (22) is in the loading state, the conveyor belt (22) is bent to form the material loading chute (21).

10. A transportation metering device according to claim 9, characterized in that the transportation portion (20) further comprises:

a carrier (23), the carrier (23) having a support recess, the carrier (23) being located below the feeding portion (10), the carrier (23) being located at the bottom of the conveyor belt (22), at least part of the conveyor belt (22) being located in the support recess and forming the material carrying trough (21).

11. A transportation metering device according to claim 10, characterized in that the carrier (23) comprises:

the supporting device comprises a plurality of supporting rollers, wherein the supporting rollers are sequentially connected, and the supporting grooves are formed by the supporting rollers in a surrounding mode.

12. The transportation metering device of claim 10, further comprising:

at least two bracing pieces (24), at least two bracing pieces (24) all set up hold the below of carrier (23), two in at least two bracing pieces (24) bracing piece (24) are located respectively hold the both sides of carrier (23).