CN212579049U - Wide polyurethane board manufacturing equipment - Google Patents
Wide polyurethane board manufacturing equipment Download PDFInfo
- Publication number
- CN212579049U CN212579049U CN202020883389.XU CN202020883389U CN212579049U CN 212579049 U CN212579049 U CN 212579049U CN 202020883389 U CN202020883389 U CN 202020883389U CN 212579049 U CN212579049 U CN 212579049U
- Authority
- CN
- China
- Prior art keywords
- heating plate
- support
- hydraulic cylinder
- heating
- wide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model belongs to the technical field of polyurethane boards, in particular to wide polyurethane board manufacturing equipment; the heating device comprises a U-shaped support, a hydraulic part and a heating part, wherein the U-shaped support comprises a bottom beam, a first upright post and a second upright post, a sliding rail is arranged at the upper part of the bottom beam, the top of the sliding rail is connected with a pulley support, a first heating plate support and a movable heating plate are arranged on the pulley support, the second upright post is connected with a second heating plate support, and the second heating plate support is connected with a fixed heating plate; the hydraulic part comprises a hydraulic station, a first hydraulic cylinder and a second hydraulic cylinder, the base ends of the first hydraulic cylinder and the second hydraulic cylinder are connected with a first upright post, and the piston end is hinged to the first heating plate support; the heating part comprises an electric heating oil furnace and a heat-conducting oil tank, and the heat-conducting oil tank is connected with the fixed heating plate and the movable heating plate through an oil delivery pipe and an oil return pipe; the utility model has the advantages of reasonable overall structure, installation convenient to use can make broad width polyurethane board safely energy-conserving and high-efficiently, has improved production efficiency, has reduced manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the polyurethane board, concretely relates to broad width polyurethane board preparation equipment.
Background
The polyurethane material is a new organic polymer material, is known as 'fifth big plastic', is widely applied to various fields of national economy due to excellent performance, and the application field of products relates to light industry, chemical industry, electronics, textiles, medical treatment, buildings, building materials, automobiles, national defense, aerospace, aviation and the like; the polyurethane board is a polyurethane sandwich board which is completely made of polyurethane materials or formed by compounding the polyurethane materials and color steel plates, is mainly used for external heat insulation systems of industrial and civil buildings, and becomes a product system with the most widely used polyurethane materials; with the requirements of production capacity enhancement and technical progress in various fields, the market demand for wide and ultra-long polyurethane boards is increasing, but at the present stage, the width of the conventional polyurethane board is below 1 meter, and the length of the conventional polyurethane board is within 4 meters, and the requirements of various fields for wide and ultra-long polyurethane boards cannot be met, so that the safe, energy-saving and efficient wide polyurethane board manufacturing equipment is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, and provide a rational in infrastructure, operation convenient to use can make the broad width polyurethane board preparation equipment of broad width polyurethane board safely energy-conserving and high-efficiently.
The purpose of the utility model is realized like this: the wide polyurethane plate manufacturing equipment comprises a U-shaped support, wherein the U-shaped support comprises a bottom beam, two ends of the bottom beam are fixedly connected with a first upright post and a second upright post respectively, the upper part of the bottom beam is provided with a slide rail, the top of the slide rail is slidably connected with a pulley support, a first heating plate support is fixedly arranged on the pulley support, the right side of the first heating plate support is connected with a movable heating plate, the left side of the second upright post is fixedly connected with a second heating plate support, the left side of the second heating plate support is connected with a fixed heating plate, and the lower part of the left side of the fixed heating plate is provided with a thickness adjusting block; the wide polyurethane plate manufacturing equipment comprises a hydraulic part, wherein the hydraulic part comprises a hydraulic station, a first hydraulic cylinder and a second hydraulic cylinder, the base ends of the first hydraulic cylinder and the second hydraulic cylinder are fixedly connected to the first upright post, the piston ends of the first hydraulic cylinder and the second hydraulic cylinder are hinged to the first heating plate support through hinges, and the first hydraulic cylinder and the second hydraulic cylinder are respectively connected with the hydraulic station through a first high-pressure oil pipe and a second high-pressure oil pipe; the wide polyurethane board preparation equipment is including heating portion, the heating portion is including electric heating oil stove and heat conduction oil tank, the heat conduction oil tank through send oil pipe and return oil pipe with fixed heating plate is connected, the heat conduction oil tank passes through send oil pipe with return oil pipe with the removal hot plate is connected.
The floorbar, the first stand column and the second stand column are made of section steel, and the U-shaped support is formed by splicing the section steel.
The wide polyurethane board manufacturing equipment comprises five U-shaped supports.
The pulley support comprises a concave seat plate and a concave grooved wheel, and the concave grooved wheel is rotatably connected with the concave seat plate through a bearing.
The top surface of the slide rail is arc-shaped, and the concave grooved wheel is in rolling connection with the top surface of the slide rail.
The first hot plate support with the second hot plate support is formed by shaped steel and steel sheet welding, the first hot plate support with the inside heat preservation cotton that is provided with of second hot plate support, the first hot plate support with the side of second hot plate support all is provided with the apron.
And heating channels for circulating and circulating the heat-conducting oil are arranged in the movable heating plate and the fixed heating plate.
Every all be provided with on the U type support first pneumatic cylinder with the second pneumatic cylinder, be provided with visual manometer on the hydraulic pressure station.
The utility model has the advantages that: the utility model discloses a wide width polyurethane board preparation equipment, a plurality of U type supports are as its main frame, and U type support can be formed by the concatenation of high strength shaped steel, and the width is enough, and convenient operation and later maintenance, and the sound construction, bearing capacity are strong, are assembled by a plurality of U type supports and form, have strengthened the stability of equipment and the reliability of operation; the first heating plate support and the second heating plate support can be formed by welding profile steel and steel plates, a hollow design is adopted, and heat-preservation cotton is filled in a cavity of the hollow design, so that heat preservation and sealing are realized as far as possible under the condition of ensuring the strength, and the loss of heat is reduced; the inner parts of the movable heating plate and the fixed heating plate can adopt a sectional heating mode, and each heating section can be independently measured and respectively controlled, so that the balance and the consistency adjustment of the overall temperature of the heating plate are more facilitated; the hydraulic station drives the first hydraulic cylinder and the second hydraulic cylinder through the first high-pressure oil pipe and the second high-pressure oil pipe, and further drives the first heating plate support to move leftwards or rightwards, so that the opening and closing operations of the equipment are realized, after the die is closed, a fixed die cavity is formed between the two heating plates, and the raw material of the product is molded in the die cavity; the distance between the fixed heating plate and the movable heating plate after the die assembly can be adjusted by thickness adjusting blocks with different thicknesses, so that the thickness of a product is adjusted; meanwhile, the width of the polyurethane plate can be changed by changing the upper and lower positions of the thickness adjusting block, so that products with different widths and thicknesses can be conveniently produced; the heating part provides circulating heat conducting oil for the fixed heating plate and the movable heating plate through an oil feeding pipe and an oil return pipe, and simultaneously controls the oil temperature and gives an over-temperature alarm; the equipment adopts a vertical structure, so that the polyurethane plate can be spliced in the length direction conveniently, the requirements of different lengths can be met, a hoisting tool can be adopted conveniently, and the labor intensity of an operator is reduced; the utility model has the advantages of reasonable overall structure, installation convenient to use can make broad width polyurethane board safely energy-conserving and high-efficiently, has improved production efficiency, has reduced manufacturing cost.
Drawings
FIG. 1 is a schematic structural diagram of the wide polyurethane board manufacturing equipment of the present invention.
In the figure: 1. the heating device comprises a hydraulic station 2, a hydraulic part 3, a first upright post 4, a U-shaped support 5, a first hydraulic cylinder 6, a second high-pressure oil pipe 7, a first high-pressure oil pipe 8, a second hydraulic cylinder 9, a cover plate 10, a first heating plate support 11, a movable heating plate 12, a fixed heating plate 13, a second heating plate support 14, a bottom beam 15, a slide rail 16, a pulley support 17, a thickness adjusting block 18, a second upright post 19, an oil feeding pipe 20, an oil return pipe 21, a heating part 22, an electric heating oil furnace 23 and a heat conducting oil tank.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the wide polyurethane board manufacturing equipment includes a U-shaped support 4, the U-shaped support 4 includes a bottom beam 14, two ends of the bottom beam 14 are respectively and fixedly connected with a first upright column 3 and a second upright column 18, the upper portion of the bottom beam 14 is provided with a slide rail 15, the top of the slide rail 15 is slidably connected with a pulley support 16, a first heating plate support 10 is fixedly arranged on the pulley support 16, the right side of the first heating plate support 10 is connected with a movable heating plate 11, the left side of the second upright column 18 is fixedly connected with a second heating plate support 13, the left side of the second heating plate support 13 is connected with a fixed heating plate 12, and the lower portion of the left side of the fixed heating plate 12 is provided with a thickness adjusting block 17; the wide polyurethane plate manufacturing equipment comprises a hydraulic part 2, wherein the hydraulic part 2 comprises a hydraulic station 1, a first hydraulic cylinder 5 and a second hydraulic cylinder 8, the base ends of the first hydraulic cylinder 5 and the second hydraulic cylinder 8 are fixedly connected to the first upright post 3, the piston ends of the first hydraulic cylinder 5 and the second hydraulic cylinder 8 are hinged to the first heating plate support 10 through hinges, and the first hydraulic cylinder 5 and the second hydraulic cylinder 8 are respectively connected with the hydraulic station 1 through a first high-pressure oil pipe 7 and a second high-pressure oil pipe 6; broad width polyurethane board preparation equipment is including heating portion 21, heating portion 21 is including electrical heating oil stove 22 and heat conduction oil tank 23, heat conduction oil tank 23 through oil delivery pipe 19 with return oil pipe 20 with fixed hot plate 12 is connected, heat conduction oil tank 23 passes through oil delivery pipe 19 with return oil pipe 20 with the removal hot plate 11 is connected.
The utility model discloses a wide polyurethane board preparation equipment, a plurality of U type support 4 are as its main frame, and U type support 4 can be formed by the concatenation of high strength shaped steel, and the width is enough, and convenient operation and later maintenance, and the sound construction, bearing capacity are strong, are assembled by a plurality of U type support 4 and form, have strengthened the stability of equipment and the reliability of operation; the first heating plate support 10 and the second heating plate support 13 can be formed by welding profile steel and steel plates, a hollow design is adopted, heat-preservation cotton is filled in a cavity of the hollow design, and under the condition of ensuring the strength, the hollow design can preserve heat and seal as much as possible, so that the heat loss is reduced; the inner parts of the movable heating plate 11 and the fixed heating plate 12 can adopt a sectional type heating mode, and each heating section can be independently measured and respectively controlled, so that the balance and the consistent adjustment of the overall temperature of the heating plate are more facilitated; the hydraulic station 1 drives a first hydraulic cylinder 5 and a second hydraulic cylinder 8 through a first high-pressure oil pipe 7 and a second high-pressure oil pipe 6, and further drives a first heating plate support 10 to move leftwards or rightwards, so that the opening and closing operations of the equipment are realized, after the die is closed, a fixed die cavity is formed between two heating plates, and raw materials of a product are molded in the die cavity; the distance between the fixed heating plate 12 and the movable heating plate 11 after the die assembly can be adjusted by the thickness adjusting blocks 17 with different thicknesses, so that the thickness of the product can be adjusted; meanwhile, the width of the polyurethane plate can be changed by changing the upper and lower positions of the thickness adjusting block 17, so that products with different widths and thicknesses can be conveniently produced; the heating part 21 provides circulating heat conducting oil for the fixed heating plate 12 and the movable heating plate 11 through an oil feeding pipe 19 and an oil return pipe 20, and simultaneously controls the oil temperature and gives an over-temperature alarm; the equipment adopts a vertical structure, so that the polyurethane plate can be spliced in the length direction conveniently, the requirements of different lengths can be met, a hoisting tool can be adopted conveniently, and the labor intensity of an operator is reduced; the utility model has the advantages of reasonable overall structure, installation convenient to use can make broad width polyurethane board safely energy-conserving and high-efficiently, has improved production efficiency, has reduced manufacturing cost.
Example 2
As shown in fig. 1, the wide polyurethane board manufacturing equipment includes a U-shaped support 4, the U-shaped support 4 includes a bottom beam 14, two ends of the bottom beam 14 are respectively and fixedly connected with a first upright column 3 and a second upright column 18, the upper portion of the bottom beam 14 is provided with a slide rail 15, the top of the slide rail 15 is slidably connected with a pulley support 16, a first heating plate support 10 is fixedly arranged on the pulley support 16, the right side of the first heating plate support 10 is connected with a movable heating plate 11, the left side of the second upright column 18 is fixedly connected with a second heating plate support 13, the left side of the second heating plate support 13 is connected with a fixed heating plate 12, and the lower portion of the left side of the fixed heating plate 12 is provided with a thickness adjusting block 17; the wide polyurethane plate manufacturing equipment comprises a hydraulic part 2, wherein the hydraulic part 2 comprises a hydraulic station 1, a first hydraulic cylinder 5 and a second hydraulic cylinder 8, the base ends of the first hydraulic cylinder 5 and the second hydraulic cylinder 8 are fixedly connected to the first upright post 3, the piston ends of the first hydraulic cylinder 5 and the second hydraulic cylinder 8 are hinged to the first heating plate support 10 through hinges, and the first hydraulic cylinder 5 and the second hydraulic cylinder 8 are respectively connected with the hydraulic station 1 through a first high-pressure oil pipe 7 and a second high-pressure oil pipe 6; broad width polyurethane board preparation equipment is including heating portion 21, heating portion 21 is including electrical heating oil stove 22 and heat conduction oil tank 23, heat conduction oil tank 23 through oil delivery pipe 19 with return oil pipe 20 with fixed hot plate 12 is connected, heat conduction oil tank 23 passes through oil delivery pipe 19 with return oil pipe 20 with the removal hot plate 11 is connected.
For better effect, the floorbar 14, the first upright 3 and the second upright 18 are made of section steel, and the U-shaped support 4 is formed by splicing the section steel, so that the manufacturing and installation cost is reduced while the structural strength of the equipment is ensured.
For better effect, the wide polyurethane board manufacturing equipment comprises five U-shaped supports 4, and can provide reliable support for the first heating plate support 10 and the second heating plate support 13, and guarantee the stability and reliability of the equipment operation.
For better effect, the pulley support 16 includes a concave seat plate and a concave sheave, and the concave sheave is rotatably connected with the concave seat plate through a bearing, so that the friction force of the first heating plate support 10 in the moving process is effectively reduced, the flexibility and stability of the first heating plate support are ensured, and the energy consumption of the hydraulic part 2 is reduced.
For better effect, the top surface of the slide rail 15 is arc-shaped, and the concave grooved wheel is in rolling connection with the top surface of the slide rail 15, so that the friction force generated by the first heating plate support 10 in the moving process is further reduced, and the flexibility and the stability of the movement of the first heating plate support are ensured.
For better effect, first hot plate support 10 with second hot plate support 13 is formed by shaped steel and steel sheet welding, first hot plate support 10 with second hot plate support 13 is inside to be provided with the heat preservation cotton, first hot plate support 10 with second hot plate support 13's side all is provided with apron 9, can improve under the circumstances of proof strength first hot plate support 10 with second hot plate support 13 keeps warm and the leakproofness reduces thermal loss.
For better effect, the movable heating plate 11 and the fixed heating plate 12 are internally provided with heating channels for circulating heat conduction oil, so that smooth circulation of heat conduction oil can be effectively ensured, and the overall temperature of the movable heating plate 11 and the fixed heating plate 12 is balanced and consistent.
For better effect, every all be provided with on the U type support 4 first pneumatic cylinder 5 with second pneumatic cylinder 8, hydraulic pressure station 1 is last to be provided with visual manometer, and the pressure of each pneumatic cylinder is observed directly perceivedly to the accessible manometer, ensures the compound die after, and the die cavity interval that forms between two hot plates is fixed to guarantee the uniformity and the surface smoothness of product thickness.
The utility model discloses a wide polyurethane board preparation equipment, a plurality of U type support 4 are as its main frame, and U type support 4 can be formed by the concatenation of high strength shaped steel, and the width is enough, and convenient operation and later maintenance, and the sound construction, bearing capacity are strong, are assembled by a plurality of U type support 4 and form, have strengthened the stability of equipment and the reliability of operation; the first heating plate support 10 and the second heating plate support 13 can be formed by welding profile steel and steel plates, a hollow design is adopted, heat-preservation cotton is filled in a cavity of the hollow design, and under the condition of ensuring the strength, the hollow design can preserve heat and seal as much as possible, so that the heat loss is reduced; the inner parts of the movable heating plate 11 and the fixed heating plate 12 can adopt a sectional type heating mode, and each heating section can be independently measured and respectively controlled, so that the balance and the consistent adjustment of the overall temperature of the heating plate are more facilitated; the hydraulic station 1 drives a first hydraulic cylinder 5 and a second hydraulic cylinder 8 through a first high-pressure oil pipe 7 and a second high-pressure oil pipe 6, and further drives a first heating plate support 10 to move leftwards or rightwards, so that the opening and closing operations of the equipment are realized, after the die is closed, a fixed die cavity is formed between two heating plates, and raw materials of a product are molded in the die cavity; the distance between the fixed heating plate 12 and the movable heating plate 11 after the die assembly can be adjusted by the thickness adjusting blocks 17 with different thicknesses, so that the thickness of the product can be adjusted; meanwhile, the width of the polyurethane plate can be changed by changing the upper and lower positions of the thickness adjusting block 17, so that products with different widths and thicknesses can be conveniently produced; the heating part 21 provides circulating heat conducting oil for the fixed heating plate 12 and the movable heating plate 11 through an oil feeding pipe 19 and an oil return pipe 20, and simultaneously controls the oil temperature and gives an over-temperature alarm; the equipment adopts a vertical structure, so that the polyurethane plate can be spliced in the length direction conveniently, the requirements of different lengths can be met, a hoisting tool can be adopted conveniently, and the labor intensity of an operator is reduced; the utility model has the advantages of reasonable overall structure, installation convenient to use can make broad width polyurethane board safely energy-conserving and high-efficiently, has improved production efficiency, has reduced manufacturing cost.
Claims (8)
1. Broad width polyurethane board preparation equipment, it is including U type support (4), its characterized in that: the U-shaped support (4) comprises a bottom beam (14), two ends of the bottom beam (14) are fixedly connected with a first upright post (3) and a second upright post (18) respectively, a sliding rail (15) is arranged on the upper portion of the bottom beam (14), the top of the sliding rail (15) is connected with a pulley support (16) in a sliding manner, a first heating plate support (10) is fixedly arranged on the pulley support (16), a movable heating plate (11) is connected to the right side of the first heating plate support (10), a second heating plate support (13) is fixedly connected to the left side of the second upright post (18), a fixed heating plate (12) is connected to the left side of the second heating plate support (13), and a thickness adjusting block (17) is arranged on the lower portion of the left side of the fixed heating plate (12); the wide polyurethane plate manufacturing equipment comprises a hydraulic part (2), wherein the hydraulic part (2) comprises a hydraulic station (1), a first hydraulic cylinder (5) and a second hydraulic cylinder (8), the base ends of the first hydraulic cylinder (5) and the second hydraulic cylinder (8) are fixedly connected to the first upright post (3), the piston ends of the first hydraulic cylinder (5) and the second hydraulic cylinder (8) are hinged to the first heating plate support (10) through hinges, and the first hydraulic cylinder (5) and the second hydraulic cylinder (8) are connected with the hydraulic station (1) through a first high-pressure oil pipe (7) and a second high-pressure oil pipe (6) respectively; broad width polyurethane board preparation equipment is including heating portion (21), heating portion (21) including electric heating oil stove (22) and heat conduction oil tank (23), heat conduction oil tank (23) through send oil pipe (19) and return oil pipe (20) with fixed hot plate (12) are connected, heat conduction oil tank (23) pass through send oil pipe (19) with return oil pipe (20) with remove hot plate (11) and connect.
2. The apparatus for manufacturing a wide-width polyurethane board according to claim 1, wherein: the bottom beam (14), the first upright post (3) and the second upright post (18) are made of section steel, and the U-shaped support (4) is formed by splicing the section steel.
3. The apparatus for manufacturing a wide-width polyurethane board according to claim 1, wherein: the wide polyurethane board manufacturing equipment comprises five U-shaped supports (4).
4. The apparatus for manufacturing a wide-width polyurethane board according to claim 1, wherein: the pulley support (16) comprises a concave seat plate and a concave grooved wheel, and the concave grooved wheel is rotatably connected with the concave seat plate through a bearing.
5. The apparatus for manufacturing a wide-width polyurethane board according to claim 4, wherein: the top surface of the slide rail (15) is arc-shaped, and the concave grooved wheel is in rolling connection with the top surface of the slide rail (15).
6. The apparatus for manufacturing a wide-width polyurethane board according to claim 1, wherein: first hot plate support (10) with second hot plate support (13) are formed by shaped steel and steel sheet welding, first hot plate support (10) with second hot plate support (13) inside is provided with the heat preservation cotton, first hot plate support (10) with the side of second hot plate support (13) all is provided with apron (9).
7. The apparatus for manufacturing a wide-width polyurethane board according to claim 1, wherein: and heating channels for circulating and circulating heat conducting oil are arranged in the movable heating plate (11) and the fixed heating plate (12).
8. The apparatus for manufacturing a wide-width polyurethane board according to claim 3, wherein: every all be provided with on U type support (4) first pneumatic cylinder (5) with second pneumatic cylinder (8), be provided with visual manometer on hydraulic pressure station (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020883389.XU CN212579049U (en) | 2020-05-25 | 2020-05-25 | Wide polyurethane board manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020883389.XU CN212579049U (en) | 2020-05-25 | 2020-05-25 | Wide polyurethane board manufacturing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212579049U true CN212579049U (en) | 2021-02-23 |
Family
ID=74642205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020883389.XU Active CN212579049U (en) | 2020-05-25 | 2020-05-25 | Wide polyurethane board manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212579049U (en) |
-
2020
- 2020-05-25 CN CN202020883389.XU patent/CN212579049U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212579049U (en) | Wide polyurethane board manufacturing equipment | |
| CN203184390U (en) | Superplastic forming device | |
| CN108215038B (en) | A kind of hot hydrostatic profile device | |
| CN202412866U (en) | Photovoltaic glass copper-clad circuit board vacuum laminating machine | |
| CN207190093U (en) | A kind of line slideway double end screw mandrel vulcanizing press | |
| CN210475077U (en) | Steel structure part auxiliary device that bends | |
| CN214350796U (en) | Aluminium alloy pressfitting assembly line | |
| CN210759344U (en) | Steel belt type circulating template and fiber reinforced material forming equipment | |
| CN216182950U (en) | Small-radius curved composite material glass fiber reinforced plastic pultrusion equipment | |
| CN212770425U (en) | Groove type glass forming device | |
| CN211440793U (en) | Vulcanizing machine for processing large rubber joint | |
| CN115846497B (en) | Superplastic forming equipment | |
| CN219769169U (en) | Hot-press forming die for carbon fiber composite part | |
| CN216832422U (en) | Improve heat utilization rate's plywood lamination equipment | |
| CN219748725U (en) | Hot-press forming die for die cup | |
| CN219096197U (en) | High-temperature high-pressure module of double-steel-belt continuous press | |
| CN216466317U (en) | Glass steel draws and extrudes convex section bar apparatus for producing | |
| CN204076609U (en) | A kind of vulcanizing press | |
| CN215550248U (en) | Embossing device with good embossing effect | |
| CN212559949U (en) | Insulation board of calender | |
| CN215704307U (en) | Quick-cooling and quick-heating type hydraulic machine for multilayer pressed composite product | |
| CN220883351U (en) | Production equipment of multifunctional sampling composite pipe | |
| CN218640374U (en) | Synchronous belt forming mechanism | |
| CN213507825U (en) | Oasis biomass fermentation wallboard forming equipment | |
| CN212528767U (en) | Guiding device for pipe penetration of prefabricated directly-buried heat-insulating pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |