CN109630613B - Regenerated balancing weight and preparation method thereof - Google Patents
Regenerated balancing weight and preparation method thereof Download PDFInfo
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- CN109630613B CN109630613B CN201910010884.1A CN201910010884A CN109630613B CN 109630613 B CN109630613 B CN 109630613B CN 201910010884 A CN201910010884 A CN 201910010884A CN 109630613 B CN109630613 B CN 109630613B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of machinery. The regenerated balancing weight comprises a balancing weight matrix, wherein the balancing weight matrix comprises a block body made of scrap iron; the balancing weight matrix also comprises an outer protection mechanism, the outer protection mechanism is coated on the outer surface of the block-shaped body, the outer protection mechanism comprises two plastic packaging film layers which are arranged inside and outside, and a woven net formed by weaving wear-resistant fibers is arranged between the two plastic packaging film layers. This patent adopts the scrap iron as the main material of balancing weight through optimizing traditional balancing weight's structure, can replace traditional cast iron balancing weight, and the outward appearance is level and smooth, pleasing to the eye practical, practices thrift social resource, is pollution-free in fact, environmental protection type product. Through outer protection mechanism, be convenient for avoid the air to mix and cause the problem to the oxidation of cubic. The sealing effect is improved through the double-layer plastic packaging film layer, and the inner layer is protected through the woven mesh.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a balancing weight and a preparation method thereof.
Background
At present, the traditional balancing weights are mostly cast by cast iron, so that the manufacturing cost and the energy consumption are high, and the low-carbon environment-friendly policy is not met.
In addition, some cement-coated iron balancing weights have the defects that cement-coated iron is easy to break, the balancing weights which are easy to break when used for a long time or have faults often cause accidents, and the balancing weights are simple in appearance, relatively short in service life and troublesome to maintain.
Therefore, the balancing weight which is tough in texture, bright, clean, attractive in appearance, durable, not easy to break and environment-friendly needs to be provided.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a regenerated balancing weight and a preparation method thereof, so as to solve at least one technical problem.
The technical scheme of the invention is as follows: the regenerated balancing weight comprises a balancing weight matrix, and is characterized in that the balancing weight matrix comprises a block-shaped body made of scrap iron, and adjacent outer side surfaces of the block-shaped body are connected through a transition curved surface;
the balancing weight matrix further comprises an outer protection mechanism, the outer protection mechanism is coated on the outer surface of the block-shaped body, the outer protection mechanism comprises two plastic packaging film layers which are arranged inside and outside, and a woven net formed by weaving wear-resistant fibers is arranged between the two plastic packaging film layers;
the two plastic packaging film layers are respectively an inner film layer positioned at the inner side and an outer film layer positioned at the outer side, the woven mesh is fixed at the periphery of the inner film layer, and the inner film layer is an impermeable film layer with felt adhered at the inner side.
This patent adopts the scrap iron as the main material of balancing weight through optimizing traditional balancing weight's structure, can replace traditional cast iron balancing weight, and the outward appearance is level and smooth, pleasing to the eye practical, practices thrift social resource, is pollution-free in fact, environmental protection type product.
Through outer protection mechanism, be convenient for avoid the air to mix and cause the problem to the oxidation of cubic. The sealing effect is improved through the double-layer plastic packaging film layer, and the inner layer is protected through the woven mesh.
The adjacent outer side surfaces are connected through the transition curved surface, so that the problems that the plastic packaging film layer is easy to puncture and the outer protection mechanism is easy to wear due to the existence of the edge angle part are avoided.
The periphery of the balancing weight matrix is sleeved with an outer protective shell, the outer protective shell comprises a groove body with an opening facing to the right and a sealing cover for sealing the opening, and the sealing cover is detachably connected with the groove body and encloses a cavity for accommodating the balancing weight matrix;
and a hanging ring is fixedly arranged at the top of the groove body.
The accommodation and protection of the balancing weight matrix of different weights can be realized through the outer protective housing, and the whole hanging of balancing weight can be realized through the outer protective housing.
The balancing weight matrix is cake-shaped, and the balancing weight matrix is provided with a strip-shaped notch, and the length direction of the strip-shaped notch is parallel to the radial direction of the balancing weight matrix.
The strip-shaped notch of the balancing weight matrix is conveniently used as a chute to realize the installation and the use of the balancing weight matrix.
The center of the balancing weight matrix is provided with a through hole which penetrates through the axial direction, the through hole is communicated with the strip-shaped notch, and the inner diameter of the through hole is larger than the width of the strip-shaped notch.
Through the through hole and the grafting of location protruding, the transportation, the installation or the fixed of balancing weight base member of being convenient for.
A supporting block which is vertically arranged is arranged in the groove body, and the upper end and the lower end of the supporting block are fixedly connected with the inner wall of the groove body;
when the balancing weight matrix is positioned in the groove body, the supporting block is positioned in the strip-shaped notch.
The limiting and fixing of the balancing weight can be realized while the supporting strength of the shell is realized through the supporting blocks.
The periphery of the woven mesh is coated with an oil layer, and the oil layer is partially embedded into meshes of the woven mesh;
the outer film layer covers the periphery of the oil layer.
This patent passes through the oil reservoir, and is further, prevents that the air from getting into the useless iron fillings of corruption.
The preparation method of the regenerated balancing weight is characterized by comprising the following steps of:
firstly, screening scrap iron scraps;
screening out scrap iron with the length less than or equal to 50mm-80mm, and removing any one block material of a long screw, a cutter bar, a cutter head and coarse round steel;
step two, drying and weighing the screened scrap iron scraps, and filling the dried scrap iron scraps into a forming die of a briquetting machine to generate a block body;
and thirdly, coating the inner film layer on the periphery of the block body through a vacuumizing plastic sealing device, coating a woven net, and coating the outer film layer through the vacuumizing plastic sealing device.
Because the vacuumizing plastic sealing device is adopted, through a vacuumizing technology, iron filings are prevented from being oxidized due to air, and the weight change of the balancing weight cannot be influenced.
The length of the block body is in the range of 0.5 m-1 m, the width is in the range of 30cm-50cm, and the thickness is in the range of 5cm-10 cm.
Further preferably, in the second step, the scrap iron and the thermoplastic material are mixed and then fed into a forming die of a briquetting machine to form a block.
By mixing the thermoplastic material, compared with pure scrap iron, the gap between scrap iron scraps can be conveniently filled by the thermoplastic material, and air is prevented from being mixed.
A molding cavity is arranged in the molding die, and an air inlet and an air outlet are formed in the molding cavity;
and nitrogen is introduced through the air inlet, air in the molding cavity is exhausted through the air outlet, and valves are arranged on the air inlet and the air outlet.
The air inlet and the air outlet are arranged on the forming cavity, so that the air residues in the block-shaped body after extrusion forming are reduced. Preventing the oxidation corrosion of scrap iron.
In the third step, before the plastic packaging film layer is coated on the periphery of the block body, at least three micro-capsules are placed between the plastic packaging film layer and the block body, copper sulfate solid powder and nitrogen are arranged in the micro-capsules, and pre-cutting marks are arranged on the micro-capsules;
when the plastic packaging film layer is vacuumized and coated on the periphery of the block body, the pre-cutting marks of the microcapsule are torn by the vacuumized air pressure, and the copper sulfate solid powder is coated in an oxygen-free and water-free environment.
If two plastic packaging film layers are damaged, whether oxidization occurs or not can be intuitively judged through the color of the copper sulfate solid powder, and the problem of balancing weight deviation caused by oxidization can be found in time conveniently.
Drawings
FIG. 1 is a cross-sectional view of a balancing weight base of the present invention;
FIG. 2 is another cross-sectional view of the present invention with the outer protective casing wrapped around the weight base;
FIG. 3 is a top view of the base of the balancing weight of the present invention;
FIG. 4 is a partial cross-sectional view of the outer protective mechanism of the present invention;
fig. 5 is a cross-sectional view of the outer protection mechanism of the present invention with a support block disposed therein.
In the figure: 1 is a block-shaped body, 2 is an inner membrane layer, 3 is a fiber web, 4 is an outer membrane layer, 5 is a hanging ring, 6 is a groove body, 7 is a sealing cover, 8 is an oil layer, 11 is a through hole, 12 is a strip-shaped notch, and 13 is a supporting block.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 5, a regenerated counterweight block comprises a counterweight block matrix, wherein the counterweight block matrix comprises a block body 1 made of scrap iron, and adjacent outer side surfaces of the block body 1 are connected through a transition curved surface; the balancing weight matrix still includes outer protection machanism, and outer protection machanism cladding is at the surface of bulk 1, and outer protection machanism includes the inside and outside two-layer plastic envelope rete that sets up (be inner membranous layer 2 and adventitia layer 4 respectively), and is equipped with a wear-resisting fiber between the two-layer plastic envelope rete and weaves the mesh grid 3 that forms, and the inner membranous layer is the air-tight membrane layer that an inboard is adhered with the felt. This patent adopts the scrap iron as the main material of balancing weight through optimizing traditional balancing weight's structure, can replace traditional cast iron balancing weight, and the outward appearance is level and smooth, pleasing to the eye practical, practices thrift social resource, is pollution-free in fact, environmental protection type product. By means of the outer protection means, it is easy to avoid the problem of oxidation of the block 1 caused by air mixing. The sealing effect is improved through the double-layer plastic packaging film layer, and the inner layer is protected through the woven net 3. The inner film layer is in plastic package on the periphery of the block body through a vacuumizing plastic packaging machine, then a coated woven net is fixed on the periphery of the inner film layer, and the outer film layer is in plastic package on the periphery of the block body fixed with the woven net through the vacuumizing plastic packaging machine. The woven mesh is hot-welded at the periphery of the inner membrane layer. Or adhered to the outer periphery of the inner film layer.
The air-impermeable film layer is made of nylon material, aluminum foil bag or aluminum-plastic composite bag.
The outer film layer can also be made of nylon materials, aluminum foil bags or aluminum plastic composite bags.
Referring to fig. 4, the two plastic sealing film layers are an inner film layer 2 positioned at the inner side and an outer film layer 4 positioned at the outer side respectively; the woven mesh 3 is fixed on the periphery of the inner membrane layer 2, an oil layer 8 is coated on the periphery of the woven mesh 3, and part of the oil layer 8 is embedded into meshes of the woven mesh 3; the outer film layer 4 covers the periphery of the oil layer 8. This patent passes through oil reservoir 8, and is further, prevents that the air from getting into the useless iron fillings of corruption.
Or the two plastic packaging film layers are respectively an inner film layer 2 positioned at the inner side and an outer film layer 4 positioned at the outer side; the woven mesh 3 is fixed on the periphery of the inner membrane layer 2, the periphery of the woven mesh 3 is coated with a Teflon coating, and the Teflon coating is partially embedded into meshes of the woven mesh 3; the outer membrane layer 4 covers the outer periphery of the teflon coating. Further, air is prevented from entering the corrosive waste iron filings. The Teflon coating is not embedded in the mesh and has a thickness of 0.2mm-0.5mm.
The balancing weight matrix is in a shape of a cake. The balancing weight matrix comprises an upper side face, a lower side face and a middle side face, wherein the upper side face is connected with the middle side face through a transition curved face, and the middle side face is connected with the lower side face through a transition curved face.
The thickness of the inner film layer is 0.08mm-0.2mm, and the thickness of the outer film layer is 0.08mm-0.2mm. The woven mesh is a fiber mesh made of basalt fibers. Or the woven net is formed by weaving glass fiber with the outer surface coated with an aerogel layer.
Referring to fig. 3, the balancing weight body is provided with a strip-shaped notch 12, and the length direction of the strip-shaped notch 12 is parallel to the radial direction of the balancing weight body. The strip-shaped notch 12 which is convenient for realizing the balancing weight matrix is used as a chute to realize the installation and the use of the balancing weight matrix. The center of the balancing weight matrix is provided with a through hole 11 which penetrates through the center axially, the through hole 11 is communicated with the strip-shaped notch 12, and the inner diameter of the through hole 11 is larger than the width of the strip-shaped notch 12. Through the through hole 11 and a positioning protrusion, the transportation, the installation or the fixation of the balancing weight matrix are facilitated.
Referring to fig. 2, an outer protective shell is sleeved on the periphery of the balancing weight matrix, the outer protective shell comprises a slot body 6 with an opening facing to the right and a sealing cover 7 for sealing the opening, and the sealing cover 7 is detachably connected with the slot body 6 and encloses a cavity for accommodating the balancing weight matrix; a hanging ring 5 is fixedly arranged at the top of the groove body 6. The accommodation and protection of the balancing weight matrix of different weights can be realized through the outer protective housing, and the whole hanging of balancing weight can be realized through the outer protective housing. Referring to fig. 5, a supporting block 13 is arranged in the groove body 6 in a vertical manner, and the upper end and the lower end of the supporting block 13 are fixedly connected with the inner wall of the groove body 6; when the balancing weight matrix is positioned in the groove body 6, the supporting block is positioned in the strip-shaped notch 12. The limiting and fixing of the balancing weight can be realized while the supporting strength of the shell is realized through the supporting blocks. During installation, the balancing weight base body is in sliding connection with the supporting block by taking the strip-shaped notch as a guide groove, so that the balancing weight is clamped in.
The preparation method of the regenerated balancing weight comprises the following steps: firstly, screening scrap iron scraps; screening out scrap iron with the length less than or equal to 50mm-80mm, and removing any one block material of a long screw, a cutter bar, a cutter head and coarse round steel; step two, drying and weighing the screened scrap iron scraps, and filling the dried scrap iron scraps into a forming die of a briquetting machine to generate a block body; and thirdly, coating the inner film layer on the periphery of the block body through a vacuumizing plastic sealing device, coating a woven net, and coating the outer film layer through the vacuumizing plastic sealing device. Because the vacuumizing plastic sealing device is adopted, through a vacuumizing technology, iron filings are prevented from being oxidized due to air, and the weight change of the balancing weight cannot be influenced.
The length of the block is in the range of 0.5 m-1 m, the width is in the range of 30cm-50cm, and the thickness is in the range of 5cm-10 cm.
Further preferably, in the second step, the scrap iron and the thermoplastic material are mixed and then fed into a forming die of a briquetting machine to form a block. By mixing the thermoplastic material, compared with pure scrap iron, the gap between scrap iron scraps can be conveniently filled by the thermoplastic material, and air is prevented from being mixed.
A molding cavity is arranged in the molding die, and an air inlet and an air outlet are formed in the molding cavity; nitrogen is led in through the air inlet, air in the molding cavity is emptied through the air outlet, and valves are arranged on the air inlet and the air outlet. The air inlet and the air outlet are arranged on the molding cavity, so that the air residues in the block-shaped body after extrusion molding are reduced. Preventing the oxidation corrosion of scrap iron.
In the third step, before the plastic packaging film layer is coated on the periphery of the block body, at least three micro-capsules are placed between the plastic packaging film layer and the block body, copper sulfate solid powder and nitrogen are arranged in the micro-capsules, and pre-cutting marks are arranged on the micro-capsules; when the plastic packaging film layer is vacuumized and coated on the periphery of the block body, the pre-cutting marks of the microcapsule are torn by the vacuumized air pressure, and the copper sulfate solid powder is coated in an oxygen-free and water-free environment. If two plastic packaging film layers are damaged, whether oxidization occurs or not can be intuitively judged through the color of the copper sulfate solid powder, and the problem of balancing weight deviation caused by oxidization can be found in time conveniently.
In the third step, the plastic packaging film layer coated firstly is an inner film layer, the plastic packaging film layer coated later is an outer film layer, and after the inner film layer is coated with a fiber net, an oil layer or a Teflon coating is coated on the inner film layer, and then the outer film layer is coated. Improving the oxidation preventing effect.
And thirdly, weighing the block body, and matching the outer protective shell with corresponding mass according to the weighed result, so that the weight of the whole product is in a required range, and the mass error of the balancing weight is reduced. An oil injection cavity is formed in the outer protective shell, and oil is injected into the oil injection cavity, so that fine adjustment of the whole weight is achieved. An oil filling port is formed in the outer protective shell, and the oil filling port is plugged after oil filling is finished.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. The regenerated balancing weight comprises a balancing weight matrix, and is characterized in that the balancing weight matrix comprises a block-shaped body made of scrap iron, and adjacent outer side surfaces of the block-shaped body are connected through a transition curved surface;
the balancing weight matrix further comprises an outer protection mechanism, the outer protection mechanism is coated on the outer surface of the block-shaped body, the outer protection mechanism comprises two plastic packaging film layers which are arranged inside and outside, and a woven net formed by weaving wear-resistant fibers is arranged between the two plastic packaging film layers;
the two plastic packaging film layers are respectively an inner film layer positioned at the inner side and an outer film layer positioned at the outer side, the woven mesh is fixed at the periphery of the inner film layer, and the inner film layer is an impermeable film layer with felt adhered at the inner side;
the periphery of the balancing weight matrix is sleeved with an outer protective shell, the outer protective shell comprises a groove body with an opening facing to the right and a sealing cover for sealing the opening, and the sealing cover is detachably connected with the groove body and encloses a cavity for accommodating the balancing weight matrix;
a hanging ring is fixedly arranged at the top of the groove body; the balancing weight substrate is in a cake shape, a strip-shaped gap is formed in the balancing weight substrate, and the length direction of the strip-shaped gap is parallel to the radial direction of the balancing weight substrate;
the periphery of the woven mesh is coated with an oil layer, and the oil layer is partially embedded into meshes of the woven mesh;
the outer film layer covers the periphery of the oil layer.
2. A regenerative weight according to claim 1, wherein: the periphery of the balancing weight matrix is sleeved with an outer protective shell, the outer protective shell comprises a groove body with an opening facing to the right and a sealing cover for sealing the opening, and the sealing cover is detachably connected with the groove body and encloses a cavity for accommodating the balancing weight matrix; a hanging ring is fixedly arranged at the top of the groove body;
a supporting block which is vertically arranged is arranged in the groove body, and the upper end and the lower end of the supporting block are fixedly connected with the inner wall of the groove body;
when the balancing weight matrix is positioned in the groove body, the supporting block is positioned in the strip-shaped notch.
3. The method for preparing the regenerated balancing weight according to claim 1, comprising the following steps:
firstly, screening scrap iron scraps;
screening out scrap iron with the length less than or equal to 50mm-80mm, and removing any one block material of a long screw, a cutter bar, a cutter head and coarse round steel;
step two, drying and weighing the screened scrap iron scraps, and filling the dried scrap iron scraps into a forming die of a briquetting machine to generate a block body;
and thirdly, coating the inner film layer on the periphery of the block body through a vacuumizing plastic sealing device, coating a woven net, and coating the outer film layer through the vacuumizing plastic sealing device.
4. A method of preparing a regenerative weight according to claim 3, wherein: the length of the block is within 1 meter, the width is within 50cm, and the thickness is below 10 cm.
5. A method of preparing a regenerative weight according to claim 3, wherein: in the second step, the scrap iron and the thermoplastic material are mixed and then filled into a forming die of a briquetting machine to generate a block body.
6. A method of preparing a regenerative weight according to claim 3, wherein: a molding cavity is arranged in the molding die, and an air inlet and an air outlet are formed in the molding cavity;
and nitrogen is introduced through the air inlet, air in the molding cavity is exhausted through the air outlet, and valves are arranged on the air inlet and the air outlet.
7. A method of preparing a regenerative weight according to claim 3, wherein: in the third step, before the plastic packaging film layer is coated on the periphery of the block body, at least three micro-capsules are placed between the plastic packaging film layer and the block body, copper sulfate solid powder and nitrogen are arranged in the micro-capsules, and pre-cutting marks are arranged on the micro-capsules;
when the plastic packaging film layer is vacuumized and coated on the periphery of the block body, the pre-cutting marks of the microcapsule are torn by the vacuumized air pressure, and the copper sulfate solid powder is coated in an oxygen-free and water-free environment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910010884.1A CN109630613B (en) | 2019-01-07 | 2019-01-07 | Regenerated balancing weight and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010884.1A CN109630613B (en) | 2019-01-07 | 2019-01-07 | Regenerated balancing weight and preparation method thereof |
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| CN109630613A CN109630613A (en) | 2019-04-16 |
| CN109630613B true CN109630613B (en) | 2023-10-20 |
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| CN109630613A (en) | 2019-04-16 |
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