CN111827619A - Building rectangular section vertical shaft concrete pouring and distributing device and discharging method - Google Patents
Building rectangular section vertical shaft concrete pouring and distributing device and discharging method Download PDFInfo
- Publication number
- CN111827619A CN111827619A CN202010762112.6A CN202010762112A CN111827619A CN 111827619 A CN111827619 A CN 111827619A CN 202010762112 A CN202010762112 A CN 202010762112A CN 111827619 A CN111827619 A CN 111827619A
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- cover
- vertical shaft
- concrete
- container
- conical
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/005—Lift shafts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/025—Buckets specially adapted for use with concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a concrete pouring and distributing device for a building rectangular section shaft and a discharging method, wherein the concrete pouring and distributing device comprises a container, the container is provided with an outer conical surface, four discharging holes are annularly distributed on the outer wall of the outer conical surface, a channel is welded on the outer wall of the outer conical surface, each discharging hole corresponds to one channel, the channels are obliquely arranged, and the width of the channels is gradually reduced from top to bottom; a discharge hopper is arranged in the container, the discharge hopper is conical, and the bottom of the discharge hopper is provided with a discharge pipe opening; the device can be matched above the vertical shaft to increase the blanking speed.
Description
Technical Field
The invention relates to a concrete pouring and distributing device and a concrete pouring and distributing method for a building rectangular section vertical shaft.
Background
The elevator shaft is the hoistway in which the elevator is installed.
The size of the elevator shaft is determined according to the type of the elevator, an elevator track and a counterweight track are installed on the wall of the elevator shaft, and an elevator door is installed in a reserved door opening. The top of the hoistway is provided with an elevator machine room.
After the whole construction of the building body is completed, the inner wall of the elevator shaft needs to be poured, and the purpose of pouring is to increase the structural strength and increase the anti-permeability capability of the elevator shaft.
The existing pouring mode is that a steel template is built in a vertical shaft, and then concrete is pumped to the inner side of the template by a concrete pump truck, but because the distance between the template and the wall of the vertical shaft is relatively small, a small-diameter discharge pipe needs to be arranged at the position of a discharge pipe opening of the concrete pump truck, the discharge speed of the relatively small discharge pipe is relatively low, and the pumping time is relatively long. Causing uncontrolled changes in the properties of the concrete after it falls into the container. Casting defects are easily formed. Meanwhile, the concrete pump truck keeps a small pumping quantity, so that the concrete in the concrete pump truck is easy to dry, namely the phenomenon of 'tank stuffiness'. Causing large losses.
Therefore, the building rectangular section vertical shaft concrete pouring and distributing device and the blanking method can be matched above the vertical shaft to increase the blanking speed.
Disclosure of Invention
The invention aims to provide a concrete pouring and distributing device and a concrete pouring and distributing method for a building rectangular section vertical shaft, which can be matched above a vertical shaft and increase the discharging speed.
In order to solve the problems, the invention adopts the following technical scheme:
a concrete pouring and distributing device for a building rectangular section shaft comprises a container, wherein the container is provided with an outer conical surface, four discharge ports are annularly distributed on the outer wall of the outer conical surface, a channel is welded on the outer wall of the outer conical surface, each discharge port corresponds to one channel, the channels are obliquely arranged, and the width of the channels is gradually reduced from top to bottom; a blanking hopper is arranged in the container, the blanking hopper is conical, a discharge pipe opening is formed in the bottom of the blanking hopper, a conical material distribution cover protruding upwards is arranged at the bottom of the container, the material distribution cover and the blanking hopper are coaxial, and the discharge pipe opening corresponds to the material distribution cover; more than two cross rods are annularly arranged on the outer wall of the container, sliding sleeves are arranged on the cross rods, guide strips are arranged on the inner walls of the sliding sleeves, guide grooves corresponding to the guide strips are arranged on the outer walls of the cross rods, and the guide grooves are transversely arranged; a support plate is welded at the bottom of the sliding sleeve, a bottom plate is welded at the bottom of the support plate, and a ground bolt is matched between the bottom plate and the ground; lifting lugs are welded at the positions, close to the container, of the tops of the cross rods.
Preferably, a plurality of inner plates are annularly arranged on the inner wall of the container, a vertical shaft is welded at the top of each inner plate, an outer plate is welded on the outer wall of the lower hopper, the vertical shaft penetrates through the outer plates upwards, and the vertical shaft can slide along the vertical direction of the outer plates; a spring is sleeved on the vertical shaft and supports the outer plate; rib plates are welded between the bottom of the inner plate and the container; in the structure, the blanking hopper is designed to be movable up and down. After the concrete pump truck pumps the concrete, the concrete is sprayed downwards to have potential energy; if the lower hopper is rigidly fixed, the connecting position of the lower hopper and the container is bound to break. Therefore, the blanking hopper is designed to be movable, when concrete impacts the blanking hopper, the spring is compressed to absorb energy, and when potential energy of blanking disappears, the spring rebounds. Meanwhile, the vertical shaft can help to realize the positioning of the blanking hopper, so that the blanking hopper can only move up and down, and the blanking hopper and the container are ensured to be coaxial all the time.
Preferably, an axis hole is formed in the axis of the material distribution cover, a vibrating rod is inserted into the axis hole, a frame plate is welded at the lower end of the vibrating rod, a vibrating motor is fixedly mounted at the bottom of the frame plate, the upper end of the vibrating rod extends upwards to the outside of the material distribution cover, a conical cover is welded at the end of the vibrating rod, a first spring is sleeved on the part of the vibrating rod extending to the outside of the material distribution cover, and the first spring acts between the conical cover and the material distribution cover; the diameter of the conical cover is gradually reduced upwards, and the upper end of the conical cover is inserted into the discharge pipe opening; the vibrating rod has two functions, one is that after the vibrating motor works, the vibrating rod transmits the vibrating force to the material distributing cover, so that the concrete material adhered to the material distributing cover is vibrated outwards. Secondly, the conical cover is driven to vibrate simultaneously; the toper cover inserts to discharging pipe intraoral, consequently, concrete material just is acted by the toper cover when passing discharging pipe mouth, and after the toper cover, the concrete is umbelliform outside and distributes, can let the concrete outwards shed as far as, increases the unloading speed. Secondly, a first spring is designed, and when the concrete impacts the conical cover, the first spring can absorb energy to avoid rigid impact.
Preferably, an annular clamping groove is formed in the inner side of the conical cover, a conical sealing cover is installed in the clamping groove, the sealing cover is clamped in the clamping groove and is glued and fixed with the clamping groove, the thickness of the sealing cover is gradually reduced from the outer ring to the inner side, and the inner wall of the sealing cover contacts with the outer wall of the material distribution cover; when the vibrating rod vibrates up and down, the sealing cover and the material distributing cover form sealing all the time. The main effect of above-mentioned structure is to seal the protection to the assembly position department of first spring, avoids the concrete to cause the bonding to first spring after getting into.
Preferably, the taper of the material distributing cover and the taper cover are equal.
A blanking method of a concrete pouring and distributing device for a building rectangular section vertical shaft comprises the following steps:
1) firstly, a template is installed in the vertical shaft, and a cavity filled with concrete is formed between the template and the inner wall of the vertical shaft; installing reinforcing steel bars in the formed cavity according to actual construction requirements;
2) then, moving the device to the upper part of the vertical shaft, adjusting the position of the container, and enabling four channels equipped in the container to respectively correspond to four inner side surfaces of the vertical shaft, wherein the tail end of each channel is sunk into the vertical shaft, and the sinking depth is 10-15 cm;
3) the concrete pump truck pumps concrete into a blanking hopper, the concrete is collected by the blanking hopper and then discharged downwards, the discharged concrete is distributed outwards through a distribution cover, and the distributed concrete slides into a cavity formed by a vertical shaft and a template through a channel;
4) compacting the filled concrete through vibration equipment, and supplementing until the concrete is poured to be flush with the upper end surface of the template;
5) and after the concrete is hardened, removing the template, and finishing construction.
The invention has the beneficial effects that:
1) the device is built at the upper wellhead position of the elevator shaft; when pouring is carried out, the position of the container is adjusted, each channel corresponds to a side well wall, the concrete pump truck keeps supply of large feed amount, supplied concrete is distributed to each channel through the container and then is sent to a position between the well wall and a template through the channel, and when the concrete is output, the tail end of the channel sinks into the shaft, so that the concrete can be contacted with the well wall after being conveyed outwards and then falls off, and the phenomenon that the concrete is scattered outwards in the distributing process is avoided.
2) Efficiency is pour in increase that this device can be great. And the application of the device only needs to keep the discharge pipe of the concrete pump truck at one position, the position is not required to be adjusted manually, the operation is safer, and the accident that personnel fall into the well is avoided.
3) The device has simple structure and low cost, and is suitable for popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the container;
FIG. 3 is an enlarged view at A;
fig. 4 is an enlarged view at B.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1, 2, 3 and 4, the concrete pouring and distributing device for the building rectangular section shaft comprises a container 1, wherein the container 1 is provided with an outer conical surface 101, four discharge ports 102 are annularly distributed on the outer wall of the outer conical surface 101, a channel 2 is welded on the outer wall of the outer conical surface 101, each discharge port 102 corresponds to one channel 2, the channels 2 are obliquely arranged, and the width of each channel 2 is gradually reduced from top to bottom; a blanking hopper 3 is arranged in the container 1, the blanking hopper 3 is conical, a discharge pipe opening 301 is formed in the bottom of the blanking hopper 3, a conical distribution cover 4 protruding upwards is formed in the bottom of the container 1, the distribution cover 4 and the blanking hopper 3 are coaxial, and the discharge pipe opening 301 corresponds to the distribution cover 4; more than two cross rods 5 are annularly arranged on the outer wall of the container 1, sliding sleeves 6 are arranged on the cross rods 5, guide strips are arranged on the inner walls of the sliding sleeves 6, guide grooves 501 corresponding to the guide strips are arranged on the outer wall of each cross rod 5, and the guide grooves 501 are transversely arranged; a support plate 7 is welded at the bottom of the sliding sleeve 6, a bottom plate 8 is welded at the bottom of the support plate 7, and a ground bolt 9 is matched between the bottom plate 8 and the ground; lifting lugs 10 are welded at the top of the cross bar 5 at the positions close to the container 1.
Example 2
A plurality of inner plate pieces 111 are annularly arranged on the inner wall of the container 1, a vertical shaft 112 is welded on the top of the inner plate pieces 111, an outer plate piece 311 is welded on the outer wall of the lower hopper 3, the vertical shaft 112 penetrates through the outer plate piece 311 upwards, and the vertical shaft 112 can slide along the vertical direction of the outer plate piece 311; a spring 113 is sleeved on the vertical shaft 112, and the spring 113 supports the outer plate 311; a rib plate 114 is welded between the bottom of the inner plate 111 and the container 1; in the above structure, the discharging hopper 3 is designed to be movable up and down. After the concrete pump truck pumps the concrete, the concrete is sprayed downwards to have potential energy; if the lower hopper is rigidly fixed, the connection between the lower hopper 3 and the container 1 will tend to break. For this purpose, the discharge hopper 3 is designed to be movable, the spring 113 absorbs energy in compression when the concrete impacts the discharge hopper 3, and the spring 113 rebounds when the potential energy of the discharge disappears. Meanwhile, the vertical shaft 113 can also help to realize the positioning of the blanking hopper 3, so that the blanking hopper 3 can only move up and down, and the blanking hopper 3 and the container 1 are ensured to be coaxial all the time.
Example 3
An axle center hole is formed in the axle center of the material distribution cover 4, a vibrating rod 11 is inserted into the axle center hole, a frame plate 12 is welded at the lower end of the vibrating rod 11, a vibrating motor 13 is fixedly installed at the bottom of the frame plate 12, the upper end of the vibrating rod 11 upwards extends to the outside of the material distribution cover 4, a conical cover 14 is welded at the end, a part of the vibrating rod 11 extending to the outside of the material distribution cover 4 is sleeved with a first spring 15, and the first spring 15 acts between the conical cover 14 and the material distribution cover 4; the diameter of the conical cover 14 is gradually reduced upwards, and the upper end of the conical cover 14 is inserted into the discharge pipe orifice 301; the vibrating rod 11 has two functions, one of which is that after the operation of the vibrating motor 13, the vibrating rod 11 transmits the vibrating force to the material separating cover 4, so that the concrete material adhered to the material separating cover 4 is vibrated to the outside. Secondly, the conical cover 14 is driven to vibrate simultaneously; the conical cover 14 is inserted into the discharging pipe opening 301, so that concrete materials are acted by the conical cover 14 when passing through the discharging pipe opening 301, and after passing through the conical cover 14, the concrete is distributed outwards in an umbrella shape, so that the concrete can be thrown outwards as much as possible, and the blanking speed is increased. Secondly, the first spring 15 is designed, when the concrete impacts the conical cover 14, the first spring 15 can absorb energy, and rigid impact is avoided.
Example 4
An annular clamping groove is formed in the inner side of the conical cover 14, a conical sealing cover 16 is installed in the clamping groove, the sealing cover 16 is clamped in the clamping groove and is glued and fixed with the clamping groove, the thickness of the sealing cover 16 is gradually reduced from the outer ring to the inner side, and the inner wall of the sealing cover 16 contacts the outer wall of the material distribution cover 4; when the vibrating rod 11 vibrates up and down, the sealing cover 16 forms a seal with the material separating cover 4 all the time. The main effect of above-mentioned structure is to seal the protection to the assembly position department of first spring, avoids the concrete to cause the bonding to first spring after getting into.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a building rectangle section shaft concrete placement feed divider which characterized in that: the container comprises a container (1), wherein the container (1) is provided with an outer conical surface (101), four discharge holes (102) are annularly distributed on the outer wall of the outer conical surface (101), a channel (2) is welded on the outer wall of the outer conical surface (101), each discharge hole (102) corresponds to one channel (2), the channels (2) are obliquely arranged, and the width of each channel (2) is gradually reduced from top to bottom; a blanking hopper (3) is arranged in the container (1), the blanking hopper (3) is conical, a discharge pipe opening (301) is formed in the bottom of the blanking hopper (3), a conical distribution cover (4) protruding upwards is arranged at the bottom of the container (1), the distribution cover (4) and the blanking hopper (3) are coaxial, and the discharge pipe opening (301) corresponds to the distribution cover (4); more than two cross rods (5) are annularly arranged on the outer wall of the container (1), sliding sleeves (6) are arranged on the cross rods (5), guide strips are arranged on the inner walls of the sliding sleeves (6), guide grooves (501) corresponding to the guide strips are arranged on the outer walls of the cross rods (5), and the guide grooves (501) are transversely arranged; a support plate (7) is welded at the bottom of the sliding sleeve (6), a bottom plate (8) is welded at the bottom of the support plate (7), and a ground bolt (9) is matched between the bottom plate (8) and the ground; a lifting lug (10) is welded at the position close to the container (1) at the top of the cross bar (5).
2. The concrete pouring and distributing device for the building rectangular section vertical shaft according to claim 1, characterized in that: a plurality of inner plate pieces (111) are annularly arranged on the inner wall of the container (1), a vertical shaft (112) is welded at the top of each inner plate piece (111), an outer plate piece (311) is welded on the outer wall of the discharging hopper (3), the vertical shaft (112) upwards penetrates through the outer plate pieces (311), and the vertical shaft (112) can slide along the vertical direction of the outer plate pieces (311); a spring (113) is sleeved on the vertical shaft (112), and the spring (113) supports the outer plate (311); a rib plate (114) is welded between the bottom of the inner plate (111) and the container (1).
3. The concrete pouring and distributing device for the building rectangular section vertical shaft according to claim 1, characterized in that: the feed mechanism is characterized in that an axle center hole is formed in the axle center of the feed cover (4), a vibrating rod (11) is inserted into the axle center hole, a frame plate (12) is welded at the lower end of the vibrating rod (11), a vibrating motor (13) is fixedly mounted at the bottom of the frame plate (12), the upper end of the vibrating rod (11) upwards extends to the outside of the feed cover (4), a conical cover (14) is welded at the end of the vibrating rod (11), a first spring (15) is sleeved on the part of the vibrating rod (11) extending to the outside of the feed cover (4), and the first spring (15) acts between the conical cover (14) and the feed cover (4); the diameter of the conical cover (14) is gradually reduced upwards, and the upper end of the conical cover (14) is inserted into the discharging pipe opening (301).
4. The concrete pouring and distributing device for the building rectangular section vertical shaft according to claim 3, characterized in that: an annular clamping groove is formed in the inner side of the conical cover (14), a conical sealing cover (16) is installed in the clamping groove, the sealing cover (16) is clamped in the clamping groove and is glued and fixed with the clamping groove, the thickness of the sealing cover (16) is gradually reduced from the outer ring to the inner side, and the inner wall of the sealing cover (16) contacts with the outer wall of the material distribution cover (4); when the vibrating rod (11) vibrates up and down, the sealing cover (16) forms sealing with the material distributing cover (4) all the time.
5. The concrete pouring and distributing device for the building rectangular section vertical shaft according to claim 3, characterized in that: the conicity of the material distributing cover (4) is equal to that of the conical cover (14).
6. The blanking method of the concrete pouring and distributing device for the building rectangular section vertical shaft according to any one of the claims 1 to 5, is characterized in that: the method comprises the following steps:
1) firstly, a template is installed in the vertical shaft, and a cavity filled with concrete is formed between the template and the inner wall of the vertical shaft; installing reinforcing steel bars in the formed cavity according to actual construction requirements;
2) then, moving the device to the upper part of the vertical shaft, adjusting the position of the container 1, and enabling four channels 2 equipped in the container 1 to respectively correspond to four inner side surfaces of the vertical shaft, wherein the tail ends of the channels 2 are sunk into the vertical shaft at the moment, and the sinking depth is 10-15 cm;
3) the concrete pump truck pumps concrete into a blanking hopper 3, the concrete is collected by the blanking hopper 3 and then discharged downwards, the discharged concrete is distributed outwards through a distribution cover 4, and the distributed concrete slides into a cavity formed by a vertical shaft and a template through a channel 2;
4) compacting the filled concrete through vibration equipment, and supplementing until the concrete is poured to be flush with the upper end surface of the template;
5) and after the concrete is hardened, removing the template, and finishing construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010762112.6A CN111827619A (en) | 2020-08-01 | 2020-08-01 | Building rectangular section vertical shaft concrete pouring and distributing device and discharging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010762112.6A CN111827619A (en) | 2020-08-01 | 2020-08-01 | Building rectangular section vertical shaft concrete pouring and distributing device and discharging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111827619A true CN111827619A (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010762112.6A Pending CN111827619A (en) | 2020-08-01 | 2020-08-01 | Building rectangular section vertical shaft concrete pouring and distributing device and discharging method |
Country Status (1)
| Country | Link |
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| CN (1) | CN111827619A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117842657A (en) * | 2024-03-05 | 2024-04-09 | 山西省美锦醋业股份有限公司 | Vinegar raw material feeding machine |
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| CN209323990U (en) * | 2018-12-26 | 2019-08-30 | 北京天杉高科风电科技有限责任公司 | Concrete blanking device |
| WO2019174965A1 (en) * | 2018-03-12 | 2019-09-19 | Inventio Ag | Method for manufacturing a lift shaft having an elongate wall fastening arrangement integrated therein |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203145473U (en) * | 2013-01-04 | 2013-08-21 | 中铁大桥局集团第四工程有限公司 | Concrete pouring distributing device |
| CN203716974U (en) * | 2014-03-11 | 2014-07-16 | 中国葛洲坝集团股份有限公司 | Material dividing device for deep vertical well concrete pouring |
| CN204297405U (en) * | 2014-11-21 | 2015-04-29 | 武汉衡万通输送设备科技有限公司 | Material bin blanking cushions anti-blocking feeding-distribution device |
| WO2019174965A1 (en) * | 2018-03-12 | 2019-09-19 | Inventio Ag | Method for manufacturing a lift shaft having an elongate wall fastening arrangement integrated therein |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117842657A (en) * | 2024-03-05 | 2024-04-09 | 山西省美锦醋业股份有限公司 | Vinegar raw material feeding machine |
| CN117842657B (en) * | 2024-03-05 | 2024-05-14 | 山西省美锦醋业股份有限公司 | Vinegar raw material feeding machine |
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Application publication date: 20201027 |