Precision weighing platform for precious metal ingots

Abstract

The utility model provides a precious metal ingot precise weighing platform, which relates to the technical field of weighing platforms, and comprises a foundation pit, the inner wall of the foundation pit is connected with a foundation pit cement mortar brick wall body in a surrounding manner, and the top of an integrally poured reinforced concrete foundation is provided with four air bag type shock absorbers. The tops of the four air bag type shock absorbers are provided with a shockproof table steel frame, and the inner side of the top of the shockproof table steel frame is provided with a weighing table body. According to the utility model, the rubber flexible filling belt and the fine sand flexible filling belt are filled between the integrally poured reinforced concrete foundation and the cement mortar brick wall body of the foundation pit for double flexible buffering and are used for buffering vibration transmitted from rock-soil layers on two sides of the foundation pit, and the top of the integrally poured reinforced concrete foundation is connected with the anti-vibration platform steel frame; the weighing platform body is installed at the top of the shockproof platform steel frame, and vibration of upward extension of the bottom is buffered through the four air bag type shock absorbers, so that the weighing platform body is ensured not to be affected by vibration in the weighing process, and the measurement accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of weighing platforms, in particular to a precision weighing platform for precious metal ingots. Background Art

[0002] In the process of automated precious metal ingot casting, the weight accuracy requirements for precious metals are very strict, requiring the precision of the precision electronic balance instrument to reach one hundred thousandth (0.00001g). In order to ensure the weighing accuracy of the precision electronic balance instrument during the operation of the automated precious metal ingot casting equipment, a shockproof foundation and platform must be built.

[0003] In the prior art, precision weighing platforms for precious metal ingots are mostly installed on the ground without an underground foundation specifically for shock absorption, which results in poor overall shockproof and earthquake-resistant performance of the device, and the weighing accuracy will be affected by vibration during weighing.

[0004] Therefore, a precious metal ingot precision weighing platform is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a precision weighing platform for precious metal ingots, comprising: a foundation pit, the inner wall of the foundation pit is surrounded and connected with a foundation pit cement mortar brick wall, the inner wall of the foundation pit cement mortar brick wall is surrounded and coated with a polyurethane waterproof coating, the inner side of the polyurethane waterproof coating is surrounded and connected with a rubber flexible filling belt, the interior of the rubber flexible filling belt is surrounded and filled with a fine sand flexible filling belt, the interior of the fine sand flexible filling belt is cast with an integrally cast reinforced concrete foundation, the interior of the integrally cast reinforced concrete foundation is embedded with integrally cast reinforced concrete foundation longitudinal and transverse steel bars, four anti-corrosion grounding angle steels are fixedly installed on the bottom of the integrally cast reinforced concrete foundation, four airbag-type shock absorbers are arranged on the top of the integrally cast reinforced concrete foundation, a shockproof platform steel frame is arranged on the top of the four airbag-type shock absorbers, and a weighing platform body is installed on the inner side of the top of the shockproof platform steel frame.

[0007] A cement mortar cushion layer is laid at the bottom of the foundation pit, and the bottom of the cement mortar cushion layer is connected to rock and soil. The surfaces of the four anti-corrosion grounding angle steels are embedded in the cement mortar cushion layer and the rock and soil. The bottom of the cement mortar brick wall of the foundation pit is connected to the top of the cement mortar cushion layer. The connecting surfaces between the rubber flexible filling belt, the fine sand flexible filling belt and the bottom of the integrally cast reinforced concrete foundation and the top of the cement mortar cushion layer are all coated with a polyurethane waterproof coating.

[0008] As a preferred implementation, an equipotential connection terminal box is fixedly installed on the top of the integrally cast reinforced concrete foundation.

[0009] As a preferred embodiment, a fixed steel plate is fixedly installed on the bottom of the airbag type shock absorber, and the bottom of the fixed steel plate is fixedly connected to the top of the integrally cast reinforced concrete foundation. A connecting steel plate is fixedly installed on the top of the airbag type shock absorber, and the top of the connecting steel plate is fixedly connected to the bottom of the anti-vibration platform steel frame.

[0010] As a preferred embodiment, the top of the foundation pit cement mortar brick wall is paved with a U-shaped cement mortar floor, and a plurality of angle steel brackets are equidistantly installed around the inner wall of the U-shaped cement mortar floor. U-shaped embossed steel plates are fixedly installed on the tops of the plurality of angle steel brackets, and one side of the bottom of the U-shaped embossed steel plate is fixedly connected to the surface of the U-shaped cement mortar floor.

[0011] As a preferred implementation manner, a shockproof platform marble panel is installed on the top of the weighing platform body, and a plexiglass sealing cover is installed on the top of the shockproof platform marble panel.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. The utility model digs a foundation pit in advance, and lays a cement mortar cushion layer on the surface of rock and soil at the bottom of the foundation pit; a foundation pit cement mortar brick wall is arranged on the inner wall of the foundation pit for support and stability, a polyurethane waterproof coating is applied on the inner side of the foundation pit cement mortar brick wall, an integrally cast reinforced concrete foundation is cast inside the foundation pit, and a rubber flexible filling belt and a fine sand flexible filling belt are filled between the integrally cast reinforced concrete foundation and the foundation pit cement mortar brick wall to buffer the vibration transmitted from the rock and soil layers on both sides of the foundation pit, four air bag type shock absorbers are installed on the top of the integrally cast reinforced concrete foundation through a fixed steel plate, the tops of the four air bag type shock absorbers are connected to a shockproof platform steel frame through a connecting steel plate, a weighing platform body is installed on the top of the shockproof platform steel frame, and the vibration extending upward from the bottom is buffered by the four air bag type shock absorbers to ensure that the weighing platform body is not affected by vibration during the weighing process, thereby improving the measurement accuracy.

[0014] 2. The utility model has an equipotential connection terminal box installed on the top of the integrally cast reinforced concrete foundation, and four anti-corrosion grounding angle steels are connected to the bottom of the integrally cast reinforced concrete foundation. The equipotential connection terminal box is electrically connected to the longitudinal and transverse steel bars of the integrally cast reinforced concrete foundation inside the integrally cast reinforced concrete foundation and the anti-corrosion grounding angle steels at the bottom of the integrally cast reinforced concrete foundation to prevent indirect contact and explosion and fire caused by grounding system failure. A plurality of angle steel brackets are installed on the inner wall of the circular cement mortar floor laid on the top of the cement mortar brick wall of the foundation pit, and the surfaces of the plurality of angle steel brackets are laid with circular embossed steel plates to prevent foreign objects and people from falling into the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the main body of a precious metal ingot precision weighing platform provided by the utility model;

[0016] Figure 2 The utility model provides a precious metal ingot precision weighing platform Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 The utility model provides a precious metal ingot precision weighing platform Figure 1 Enlarged view of point B in the middle;

[0018] Figure 4 The utility model provides a precious metal ingot precision weighing platform Figure 1 Enlarged view of point C in the middle;

[0019] Figure 5 The utility model provides a perspective top view of the structure of a precious metal ingot precision weighing platform.

[0020] Legend:

[0021] 1. Foundation pit; 101. Rock and soil; 2. Cement mortar brick wall of foundation pit; 3. Polyurethane waterproof coating; 4. Rubber flexible filling belt; 5. Fine sand flexible filling belt; 6. Integrally cast reinforced concrete foundation; 7. Integrally cast reinforced concrete foundation longitudinal and transverse steel bars; 8. Anti-corrosion grounding angle steel; 9. Cement mortar cushion layer; 10. Weighing platform body; 11. Airbag shock absorber; 1101. Fixed steel plate; 1102. Connecting steel plate; 12. Anti-vibration platform steel frame; 13. Anti-vibration platform marble panel; 14. Angle steel bracket; 15. U-shaped embossed steel plate; 16. U-shaped cement mortar floor; 17. Equipotential bonding terminal box; 18. Organic glass sealing cover. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a precision weighing platform for precious metal ingots, comprising: a foundation pit 1, the inner wall of the foundation pit 1 is surrounded and connected with a foundation pit cement mortar brick wall 2, the inner wall of the foundation pit cement mortar brick wall 2 is surrounded and coated with a polyurethane waterproof coating 3, the inner side of the polyurethane waterproof coating 3 is surrounded and connected with a rubber flexible filling belt 4, the inner side of the rubber flexible filling belt 4 is surrounded and filled with a fine sand flexible filling belt 5, the interior of the fine sand flexible filling belt 5 is cast with an integrally cast reinforced concrete foundation 6, the interior of the integrally cast reinforced concrete foundation 6 is embedded with integrally cast reinforced concrete foundation longitudinal and transverse steel bars 7, the bottom of the integrally cast reinforced concrete foundation 6 is fixedly installed with four anti-corrosion grounding angle steels 8, the top of the integrally cast reinforced concrete foundation 6 is provided with four air bag type shock absorbers 11, the top of the four air bag type shock absorbers 11 is provided with a shockproof platform steel frame 12, and the inner side of the top of the shockproof platform steel frame 12 is installed with a weighing platform body 10.

[0024] Specifically: the rubber flexible filling belt 4 and the fine sand flexible filling belt 5 are used to buffer the vibration transmitted from the rock and soil layers on both sides of the foundation pit cement mortar brick wall 2, the polyurethane waterproof coating 3 is coated on the inner side of the foundation pit cement mortar brick wall 2 and the top of the cement mortar cushion layer 9, and the rubber flexible filling belt 4, the fine sand flexible filling belt 5, the integrally cast reinforced concrete foundation 6, and the integrally cast reinforced concrete foundation longitudinal and transverse steel bars 7 are waterproofed, and the airbag shock absorber 11 is used to buffer the vibration transmitted from the bottom to the anti-vibration platform steel frame 12 and the weighing platform body 10, the foundation pit 1 is dug in the surface layer of the ground, the bottom of the foundation pit 1 reaches the underground rock and soil 101, and the outer side of the foundation pit cement mortar brick wall 2 reaches the soil layer around the inside of the foundation pit 1.

[0025] In one embodiment, a cement mortar cushion layer 9 is laid at the bottom of the foundation pit 1, and the bottom of the cement mortar cushion layer 9 is connected to rock and soil 101. The surfaces of four anti-corrosion grounding angle steels 8 are embedded in the cement mortar cushion layer 9 and the rock and soil 101. The bottom of the foundation pit cement mortar brick wall 2 is connected to the top of the cement mortar cushion layer 9. The connecting surfaces between the rubber flexible filling belt 4, the fine sand flexible filling belt 5 and the bottom of the integrally cast reinforced concrete foundation 6 and the top of the cement mortar cushion layer 9 are all coated with a polyurethane waterproof coating 3.

[0026] Specifically: the cement mortar cushion layer 9 is used to stabilize the bottom ground of the foundation pit 1, and the anti-corrosion grounding angle steel 8 is connected to the integrally cast reinforced concrete foundation vertical and horizontal steel bars 7 inside the integrally cast reinforced concrete foundation 6.

[0027] In one embodiment, an equipotential connection terminal box 17 is fixedly installed on the top of the integrally cast reinforced concrete foundation 6 .

[0028] Specifically: the equipotential bonding terminal box 17 is electrically connected to the integrally cast reinforced concrete foundation longitudinal and transverse steel bars 7 inside the integrally cast reinforced concrete foundation 6 and the anti-corrosion grounding angle steel 8 at the bottom of the integrally cast reinforced concrete foundation 6 to prevent indirect contact and explosion and fire caused by grounding system failure.

[0029] In one embodiment, a fixed steel plate 1101 is fixedly installed at the bottom of the airbag type shock absorber 11, and the bottom of the fixed steel plate 1101 is fixedly connected to the top of the integrally cast reinforced concrete foundation 6. A connecting steel plate 1102 is fixedly installed at the top of the airbag type shock absorber 11, and the top of the connecting steel plate 1102 is fixedly connected to the bottom of the anti-vibration platform steel frame 12.

[0030] Specifically: the airbag type shock absorber 11 is fixedly installed on the top of the integrally cast reinforced concrete foundation 6 through a fixing steel plate 1101 , and the top of the airbag type shock absorber 11 is connected and supported with the anti-vibration platform steel frame 12 through a connecting steel plate 1102 .

[0031] In one embodiment, a circular cement mortar floor 16 is paved on the top of the foundation pit cement mortar brick wall 2, and a plurality of angle steel brackets 14 are equidistantly installed around the inner wall of the circular cement mortar floor 16. A circular embossed steel plate 15 is fixedly installed on the top of the plurality of angle steel brackets 14, and one side of the bottom of the circular embossed steel plate 15 is fixedly connected to the surface of the circular cement mortar floor 16.

[0032] Specifically: the angle steel bracket 14 supports the circular embossed steel plate 15, and the circular embossed steel plate 15 provides shielding and protection for the inside of the foundation pit 1. One side of the circular cement mortar floor 16 is fixedly embedded in the ground, and the top surface is flush with the ground. The surface of the shockproof platform steel frame 12 is located on the inner side of multiple angle steel brackets 14 and the circular embossed steel plate 15.

[0033] In one embodiment, a shockproof platform marble panel 13 is installed on the top of the weighing platform body 10 , and a plexiglass sealing cover 18 is installed on the top of the shockproof platform marble panel 13 .

[0034] Specifically: the weighing table body 10 is a common device in the prior art; the organic glass sealing cover 18 plays a shielding and protective role.

[0035] Working principle: The device is prepared by digging a foundation pit 1 in advance, laying a cement mortar cushion layer 9 on the surface of the rock and soil 101 at the bottom of the foundation pit 1; a foundation pit cement mortar brick wall 2 is set on the inner wall of the foundation pit 1 for support and stability, and a polyurethane waterproof coating 3 is brushed on the inner side of the foundation pit cement mortar brick wall 2. An integrally cast reinforced concrete foundation 6 is poured inside the foundation pit 1, and a rubber flexible filling belt 4 and a fine sand flexible filling belt 5 are filled between the integrally cast reinforced concrete foundation 6 and the foundation pit cement mortar brick wall 2. Double flexible buffers are used to buffer the vibration transmitted from the rock and soil layers on both sides of the foundation pit 1. Four airbag shock absorbers 11 are installed on the top of the integrally cast reinforced concrete foundation 6 through a fixed steel plate 1101, and the tops of the four airbag shock absorbers 11 are connected to a shockproof platform steel frame 12 through a connecting steel plate 1102, and a weighing platform body 10 is installed on the top of the shockproof platform steel frame 12. Four air bag shock absorbers 11 are used to buffer the vibration extending upward from the bottom to ensure that the weighing platform body 10 is not affected by the vibration during the weighing process, thereby improving the measurement accuracy; an equipotential connection terminal box 17 is installed on the top of the integrally cast reinforced concrete foundation 6, and four anti-corrosion grounding angle steels 8 are connected to the bottom of the integrally cast reinforced concrete foundation 6. The equipotential connection terminal box 17 is electrically connected to the integrally cast reinforced concrete foundation longitudinal and transverse steel bars 7 inside the integrally cast reinforced concrete foundation 6 and the anti-corrosion grounding angle steel 8 at the bottom of the integrally cast reinforced concrete foundation 6 to prevent indirect contact and explosion and fire caused by grounding system failure. A plurality of angle steel brackets 14 are installed on the inner wall of the circular cement mortar floor 16 laid on the top of the foundation pit cement mortar brick wall 2, and the surfaces of the plurality of angle steel brackets 14 are laid with circular embossed steel plates 15 to prevent foreign objects and people from falling into the foundation pit 1.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A precious metal ingot precision weighing platform, characterized in that: include: A foundation pit (1), wherein the inner wall of the foundation pit (1) is connected to a foundation pit cement mortar brick wall (2), the inner wall of the foundation pit cement mortar brick wall (2) is coated with a polyurethane waterproof coating (3), the inner side of the polyurethane waterproof coating (3) is connected to a rubber flexible filling belt (4), the interior of the rubber flexible filling belt (4) is filled with a fine sand flexible filling belt (5), the interior of the fine sand flexible filling belt (5) is cast with an integral cast reinforced concrete foundation (6), and the integral cast reinforced concrete foundation (6) is cast with a fine sand flexible filling belt (5). The integrally cast reinforced concrete foundation (6) is embedded with integrally cast reinforced concrete foundation longitudinal and transverse steel bars (7), the bottom of the integrally cast reinforced concrete foundation (6) is fixedly installed with four anti-corrosion grounding angle steels (8), the top of the integrally cast reinforced concrete foundation (6) is provided with four airbag-type shock absorbers (11), the top of the four airbag-type shock absorbers (11) is provided with a shockproof platform steel frame (12), and the inner side of the top of the shockproof platform steel frame (12) is installed with a weighing platform body (10).

2. A precious metal ingot precision weighing platform according to claim 1, characterized in that: The bottom of the foundation pit (1) is paved with a cement mortar cushion layer (9), the bottom of the cement mortar cushion layer (9) is connected to rock and soil (101), the surfaces of the four anti-corrosion grounding angle steels (8) are embedded in the cement mortar cushion layer (9) and the rock and soil (101), the bottom of the foundation pit cement mortar brick wall (2) is connected to the top of the cement mortar cushion layer (9), and the connection surfaces between the bottom of the rubber flexible filling belt (4), the fine sand flexible filling belt (5) and the integrally cast reinforced concrete foundation (6) and the top of the cement mortar cushion layer (9) are coated with a polyurethane waterproof coating (3).

3. A precious metal ingot precision weighing platform according to claim 1, characterized in that: An equipotential connection terminal box (17) is fixedly installed on the top of the integrally cast reinforced concrete foundation (6).

4. A precious metal ingot precision weighing platform according to claim 1, characterized in that: A fixed steel plate (1101) is fixedly installed at the bottom of the airbag-type shock absorber (11), and the bottom of the fixed steel plate (1101) is fixedly connected to the top of the integrally cast reinforced concrete foundation (6). A connecting steel plate (1102) is fixedly installed at the top of the airbag-type shock absorber (11), and the top of the connecting steel plate (1102) is fixedly connected to the bottom of the anti-vibration platform steel frame (12).

5. A precious metal ingot precision weighing platform according to claim 2, characterized in that: A circular cement mortar floor (16) is laid on the top of the foundation pit cement mortar brick wall (2), a plurality of angle steel brackets (14) are equidistantly installed around the inner wall of the circular cement mortar floor (16), a circular embossed steel plate (15) is fixedly installed on the top of the plurality of angle steel brackets (14), and one side of the bottom of the circular embossed steel plate (15) is fixedly connected to the surface of the circular cement mortar floor (16).

6. A precious metal ingot precision weighing platform according to claim 1, characterized in that: A shockproof platform marble panel (13) is installed on the top of the weighing platform body (10), and a plexiglass sealing cover (18) is installed on the top of the shockproof platform marble panel (13).

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