Anti-tilt weighing device and method for a circular tank

Abstract

The present application provides a kind of anti-inclination weighing device of circular storage tank, including weighing assembly, anti-inclination assembly, deviation detection component and master control device.The present application also provides an anti-inclination weighing method of circular storage tank, comprising: master control device calculates the inclination state of circular storage tank according to the pressure data of each pressure pad, and sends out inclination early warning;Master control device calculates the deviation state of circular storage tank according to the displacement data of each pull rope displacement sensor, and sends out deviation early warning;Master control device calculates the accurate weight of circular storage tank according to the inclination state, deviation state of circular storage tank and the weighing data of each weighing module.The present application can effectively monitor and early warn the inclination state and deviation state of raw material circular storage tank, ensure the accuracy of circular storage tank weighing measurement, and can prevent circular storage tank from tipping over due to excessive inclination and excessive deviation, prevent safety accidents.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of anti-inclination weighing device and method of circular storage tank. BACKGROUND

[0002] In outdoor environment, due to the influence of uneven foundation, vibration, wind and other factors, the circular storage tank can be inclined or deviated. The inclination or deviation will affect the accuracy of the weighing result of the circular storage tank on the one hand; on the other hand, when the inclination or deviation is large, there is a certain safety risk. SUMMARY

[0003] To solve the defects of the prior art, the present application provides an anti-inclination weighing device for a circular storage tank, comprising a weighing assembly, an anti-inclination assembly, a deviation detection assembly and a main control device;

[0004] The weighing assembly comprises: a flat annular support member fixed to the bottom end of the vertical circular storage tank and supporting the circular storage tank, a horizontal top surface of the concrete pouring foundation, a top end in contact with the bottom surface of the annular support member and supporting the annular support member (i.e. the annular support member is placed on the top end of the four weighing modules) ;

[0005] The anti-inclination assembly comprises: a flat annular embedded member embedded in the pouring foundation and located directly below the annular support member, a plurality of vertical lower bolts embedded in the pouring foundation, the bottom end of the annular embedded member is threadedly connected, and the lower bolts are spaced along the circumference of the annular embedded member (each lower bolt is located directly below the annular support member), a plurality of vertical intermediate connecting members, the bottom end of each intermediate connecting member is threadedly connected to the top end of each of the plurality of lower bolts (each intermediate connecting member is located directly below the annular support member), a plurality of vertical upper bolts, the bottom end of each upper bolt is threadedly connected to the top end of each of the plurality of intermediate connecting members and the top end of each upper bolt penetrates the annular support member, a plurality of flat washers, each washer is fitted on the upper part of each of the plurality of upper bolts and the bottom surface of each washer is in contact with the top surface of the annular support member, and a plurality of sets of limiting nuts, each set of limiting nuts is threadedly connected to the upper part of each of the plurality of upper bolts and the bottom end of each set of limiting nuts is in contact with the top surface of the corresponding washer (i.e. the plurality of sets of limiting nuts are located above the annular support member and the limiting nuts are located above the corresponding washers); the annular support member is coaxial with the circular storage tank, and the outer diameter of the annular support member is greater than the outer diameter of the circular storage tank; the annular support member is provided with a plurality of vertical through holes for the plurality of upper bolts to penetrate one by one, and the plurality of through holes are uniformly distributed along the circumference of the annular support member; the plurality of upper bolts penetrate the plurality of through holes of the annular support member one by one, and the inner diameter of the through hole is greater than the outer diameter of the corresponding upper bolt and less than the outer diameter of the washer on the corresponding upper bolt; the plurality of washers are uniformly distributed along the circumference of the annular support member, and at least three of the plurality of washers are pressure measuring washers (preferably at least four washers are pressure measuring washers), and the remaining washers are non-pressure measuring washers;

[0006] The offset detection assembly comprises a fixed seat embedded in the pouring foundation and located directly below the circular storage tank, and six pull rope displacement sensors fixedly connected with the fixed seat and uniformly distributed along the circumference of the circular storage tank; the pull ropes of the six pull rope displacement sensors are fixedly connected with the inner ring of the annular support respectively;

[0007] The master control device is connected with each pressure measuring gasket, each pull rope displacement sensor and each weighing module respectively.

[0008] The application also provides a method for preventing the inclination of the circular storage tank, which adopts the above-mentioned anti-inclination weighing device to weigh the circular storage tank and comprises the following steps: the master control device receives the weighing data of each weighing module, the pressure data of each pressure measuring gasket and the displacement data of each pull rope displacement sensor in real time; the master control device calculates the inclination state of the circular storage tank according to the pressure data of each pressure measuring gasket, wherein the inclination state comprises the inclination direction and the inclination angle of the circular storage tank; the master control device calculates the offset state of the circular storage tank according to the displacement data of each pull rope displacement sensor, wherein the offset state comprises the offset direction and the offset distance of the circular storage tank; the master control device calculates the accurate weight of the circular storage tank according to the inclination state, the offset state and the weighing data of each weighing module; the master control device issues an inclination early warning when the inclination angle of the circular storage tank reaches a predetermined angle; and the master control device issues an offset early warning when the offset distance of the circular storage tank reaches a predetermined distance.

[0009] The anti-inclination weighing device and the anti-inclination weighing method of the application will be described in detail in the specific embodiments.

[0010] The anti-inclination weighing device and the anti-inclination weighing method of the application have the advantages of effectively monitoring and early warning the inclination state and the offset state of the raw material circular storage tank, ensuring the accuracy of the weighing and measurement of the circular storage tank, and preventing the circular storage tank from being overturned due to excessive inclination and offset, thereby preventing safety accidents.

[0011] The scheme of the application can be widely applied in the weighing and measurement of outdoor circular storage tanks, especially in industries with high requirements for weighing precision and safety.

[0012] The application can effectively solve the weighing error caused by the inclination of the circular storage tank, ensure the accuracy and reliability of the weighing result, early warn the inclination and offset of the tank body, avoid accidents, and improve safety. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic view of the application. EMBODIMENT

[0014] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solutions of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0015] The specific technical solution of this invention is as follows:

[0016] like Figure 1 As shown, the present invention provides an anti-tilting weighing method for a circular storage tank, wherein an anti-tilting weighing device is used to weigh the circular storage tank 11.

[0017] The anti-tilt weighing device includes a weighing component, an anti-tilt component, an offset detection component, and a main control device;

[0018] The weighing assembly includes: a horizontal annular support 21 whose top surface is fixed to and supports the bottom of the vertically placed circular storage tank 11; four weighing modules 22 whose bottom ends are fixed to the horizontal top surface of the concrete foundation 12 and whose top ends contact the bottom surface of the annular support 21 and support the annular support 21 (i.e., the annular support 21 is placed horizontally on the top of the four weighing modules 22); the annular support 21 is coaxial with the circular storage tank 11, and the outer diameter of the annular support 21 is larger than the outer diameter of the circular storage tank 11; the four weighing modules 22 are arranged in a square, and the center of the square is located on the same vertical line as the vertical axis of the circular storage tank 11;

[0019] The anti-inclination assembly comprises: a horizontal annular embedded part 31 embedded in the pouring foundation 12 and located directly below the annular support 21, a plurality of vertical lower bolts 32 embedded in the pouring foundation 12, threadedly connected with the bottom end of the annular embedded part 31, and arranged along the circumference of the annular embedded part 31, each lower bolt 32 being located directly below the annular support 21, a plurality of vertical intermediate connecting parts 33 threadedly connected with the bottom end of the plurality of lower bolts 32 one by one, each intermediate connecting part 33 being located directly below the annular support 21, a plurality of lower nuts 34 threadedly connected on the top of the plurality of lower bolts 32 one by one and abutting against the bottom end of the corresponding intermediate connecting part 33, a plurality of vertical upper bolts 35 threadedly connected with the top end of the plurality of intermediate connecting parts 33 one by one and penetrating through the annular support 21, a plurality of upper nuts 36 threadedly connected on the bottom of the plurality of upper bolts 35 one by one and abutting against the top end of the corresponding intermediate connecting part 33, a plurality of horizontal spacers 37 sleeved on the upper part of the plurality of upper bolts 35 one by one and contacting the top surface of the annular support 21, and a plurality of sets of limiting nuts 38 threadedly connected on the upper part of the plurality of upper bolts 35 one by one and contacting the top surface of the corresponding spacer 37, each set of limiting nuts 38 being located above the annular support 21 and the limiting nuts 38 being located above the corresponding spacer 37; the annular embedded part 31 is coaxial with the annular support 21, and the inner and outer diameters of the annular embedded part 31 are the same as those of the annular support 21; the annular embedded part 31 is provided with a plurality of vertical threaded holes for threadedly connecting the plurality of lower bolts 32 one by one, the plurality of threaded holes being uniformly distributed along the circumference of the annular embedded part 31, and the distance between every two adjacent threaded holes along the circumference of the annular embedded part 31 being 20-30 cm; the bottom end of the plurality of lower bolts 32 is threadedly connected with the plurality of threaded holes of the annular embedded part 31 one by one; the annular support 21 is provided with a plurality of vertical through holes 39 for penetrating the plurality of upper bolts 35 one by one, the plurality of through holes 39 being uniformly distributed along the circumference of the annular support 21; the plurality of upper bolts 35 penetrate the plurality of through holes 39 of the annular support 21 one by one, the inner diameter of the through hole 39 being larger than the outer diameter of the corresponding upper bolt 35, and the inner diameter of the through hole 39 being smaller than the outer diameter of the spacer 37 on the corresponding upper bolt 35; the plurality of spacers 37 are uniformly distributed along the circumference of the annular support 21, at least three of the plurality of spacers 37 being pressure measuring spacers (preferably at least four being pressure measuring spacers), and the remaining spacers 37 being non-pressure measuring spacers; the pressure measuring spacers are uniformly distributed along the circumference of the annular support 21, and every two adjacent pressure measuring spacers are separated by three non-pressure measuring spacers along the circumference of the annular support 21; each set of limiting nuts 38 comprises two limiting nuts 38 arranged above and below each other and abutting against each other, and the thread directions of the two limiting nuts 38 are opposite;

[0020] The offset detection assembly comprises a fixed seat 41 embedded in the pouring foundation 12 and located directly below the circular storage tank 11, and six pull rope displacement sensors 42 fixedly connected with the fixed seat 41 and uniformly distributed along the circumference of the circular storage tank 11; the fixed seat 41 is located on the same vertical line as the vertical axis of the circular storage tank 11; the pull ropes of the six pull rope displacement sensors 42 are respectively fixedly connected with the inner ring of the annular support 21, the pull ropes of the six pull rope displacement sensors 42 are respectively arranged along the radial direction of the annular support 21, and the pull ropes of the six pull rope displacement sensors 42 are uniformly distributed along the circumferential direction of the annular support 21;

[0021] The master control device is respectively connected with each pressure measuring gasket, each pull rope displacement sensor 42, and each weighing module 22;

[0022] The weighing of the circular storage tank 11 by the anti-tilt weighing device comprises the following steps: the master control device receives the weighing data of each weighing module 22, the pressure data of each pressure measuring gasket, and the displacement data of each pull rope displacement sensor 42 in real time; the master control device calculates the tilting state of the circular storage tank 11 according to the pressure data of each pressure measuring gasket, the tilting state including the tilting direction and the tilting angle of the circular storage tank 11; the master control device calculates the offset state of the circular storage tank 11 according to the displacement data of each pull rope displacement sensor 42, the offset state including the offset direction and the offset distance of the circular storage tank 11; the master control device calculates the accurate weight of the circular storage tank 11 according to the tilting state, the offset state of the circular storage tank 11, and the weighing data of each weighing module 22; the master control device issues a tilting warning when the tilting angle of the circular storage tank 11 reaches a predetermined angle; the master control device issues an offset warning when the offset distance of the circular storage tank 11 reaches a predetermined distance.

[0023] In more detail:

[0024] The corresponding intermediate connecting pieces 33, the corresponding lower bolts 32, and the annular embedded pieces 31 are fixedly connected with the plurality of upper bolts 35, which are respectively and correspondingly inserted through the plurality of through holes 39 of the annular support 21, and the inner diameter of the through holes 39 is greater than the outer diameter of the corresponding upper bolts 35; that is, the annular support 21 is not fixedly connected with the upper bolts 35; therefore, the annular support 21 can tilt with the circular storage tank 11 when the circular storage tank 11 tilts, and the annular support 21 can move with the circular storage tank 11 when the circular storage tank 11 offsets;

[0025] The circular storage tank 11 is supported by the annular support 21, and the annular support 21 is supported by the four weighing modules 22, which can generate weighing data by weighing the circular storage tank 11;

[0026] During the movement of the annular support 21 with the tank 11 offset, the upper bolt 35 can limit the movement of the annular support 21, and can prevent the circular tank 11 from tilting due to excessive offset; six pull rope displacement sensors 42 are fixed below the circular tank 11, and the pull ropes of the six pull rope displacement sensors 42 are respectively fixed to the inner ring of the annular support 21; therefore, the pull ropes of the six pull rope displacement sensors 42 can move with the annular support 21 when the circular tank 11 is offset, so that the six pull rope displacement sensors 42 measure displacement data; then, the host device calculates the offset state of the circular tank 11 (including the offset direction and distance of the circular tank 11) according to the displacement data of each pull rope displacement sensor 42; and the host device issues a tilt warning when the tilt angle of the circular tank 11 reaches a predetermined angle.

[0027] The upper part of the upper bolt 35 is further provided with a limiting nut 38; during the tilting of the annular support 21 with the tank 11, the limiting nut 38 can limit the tilting of the annular support 21, and can prevent the circular tank 11 from tilting due to excessive tilting; and a pressure measuring gasket is arranged between the limiting nut 38 and the annular support 21; during the tilting of the annular support 21, the annular support 21 will exert an upward pressure on part of the pressure measuring gaskets, so that the pressure measuring gaskets measure pressure data; then, the host device calculates the tilting state of the circular tank 11 (including the tilting direction and angle of the circular tank 11) according to the pressure data of each pressure measuring gasket; and the host device issues an offset warning when the offset distance of the circular tank 11 reaches a predetermined distance; and the limiting nut 38 does not exert a downward force on the pressure measuring gasket and the annular support 21 when the circular tank 11 is not tilted.

[0028] Finally, the host device calculates the accurate weight of the circular tank 11 according to the tilting state, offset state and weighing data of each weighing module 22.

[0029] As can be seen from the above, the present application can effectively monitor and warn the tilting state and offset state of the raw material circular tank 11, ensure the accuracy of the weighing and measurement of the circular tank 11, and prevent the circular tank 11 from tilting due to excessive tilting and offset, and prevent safety accidents from occurring.

[0030] The scheme of the present application can be widely applied in the weighing and measurement of outdoor circular tanks 11, especially in industries with high requirements for weighing accuracy and safety.

[0031] The present application can effectively solve the weighing error caused by the tilting of the circular tank 11, ensure the accuracy and reliability of the weighing result, and also can warn the tilting and offset of the tank in advance, avoid accidents, and improve safety.

[0032] The above merely describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, several improvements and refinements can be made without departing from the technical principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A tilting-prevention weighing device for a circular storage tank, characterized by, The application relates to a weighing assembly, an anti-tilting assembly, a deviation detection assembly and a master control device. The weighing assembly comprises a flat annular support fixed to the bottom end of a circular storage tank, four weighing modules fixed to the top surface of a pouring foundation and in contact with the bottom surface of the annular support; the four weighing modules are distributed in a square shape, and the center of the square and the vertical axis of the circular storage tank are located on the same vertical line. The anti-tilting assembly comprises a flat annular embedded part embedded in the pouring foundation and located directly below the annular support, a plurality of vertical lower bolts threadedly connected to the bottom end of the annular embedded part and spaced along the circumference of the annular embedded part, a plurality of vertical intermediate connecting parts threadedly connected to the top end of the plurality of lower bolts one by one, a plurality of lower nuts threadedly connected to the top of the plurality of lower bolts one by one and in contact with the bottom end of the corresponding intermediate connecting part, a plurality of vertical upper bolts threadedly connected to the top end of the plurality of intermediate connecting parts one by one and penetrating the annular support, a plurality of upper nuts threadedly connected to the bottom of the plurality of upper bolts one by one and in contact with the top end of the corresponding intermediate connecting part, a plurality of flat gaskets sleeved on the upper part of the plurality of upper bolts one by one and in contact with the top surface of the annular support, and a plurality of sets of limiting nuts threadedly connected to the upper part of the plurality of upper bolts one by one and in contact with the bottom end of the corresponding gasket; the annular embedded part and the annular support are coaxial, and the inner and outer diameters of the annular embedded part are the same as those of the annular support; the annular embedded part is provided with a plurality of vertical threaded holes for threadedly connecting the plurality of lower bolts one by one; and along the circumference of the annular embedded part, the distance between every two adjacent threaded holes is 20-30 cm; the annular support is provided with a plurality of vertical through holes for penetrating the plurality of upper bolts one by one; the plurality of upper bolts penetrate the plurality of through holes of the annular support one by one, and the inner diameter of the through hole is larger than the outer diameter of the corresponding upper bolt; at least three gaskets in the plurality of gaskets are pressure measuring gaskets; along the circumference of the annular support, three non-pressure measuring gaskets are arranged between every two adjacent pressure measuring gaskets; and the two limiting nuts in the same set are arranged in a top-down manner and in contact with each other. The deviation detection assembly comprises a fixed seat embedded in the pouring foundation and located directly below the circular storage tank, and six pull rope displacement sensors fixed to the fixed seat and uniformly distributed along the circumference of the circular storage tank; the fixed seat and the vertical axis of the circular storage tank are located on the same vertical line; the pull ropes of the six pull rope displacement sensors are respectively fixed to the inner ring of the annular support; the pull ropes of the six pull rope displacement sensors are respectively arranged along the radial direction of the annular support, and the pull ropes of the six pull rope displacement sensors are uniformly distributed along the circumference of the annular support. The master control device is connected with each pressure measuring gasket, each pull rope displacement sensor and each weighing module.

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