CN210151196U - Novel hot galvanizing compensating beam and cooling water tank system - Google Patents
Novel hot galvanizing compensating beam and cooling water tank system Download PDFInfo
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- CN210151196U CN210151196U CN201822264125.1U CN201822264125U CN210151196U CN 210151196 U CN210151196 U CN 210151196U CN 201822264125 U CN201822264125 U CN 201822264125U CN 210151196 U CN210151196 U CN 210151196U
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Abstract
The utility model provides a novel hot-galvanize compensating beam, cooling trough system, including transmission and compensating beam, the both sides of cooling trough are located to the compensating beam symmetry, and transmission's both ends are connected with the compensating beam respectively, and the compensating beam includes first compensating beam and second compensating beam, first compensating beam and second compensating beam parallel arrangement, and transmission includes a plurality of conveyer, a plurality of conveyer parallel arrangement, and conveyer's both ends are connected with first compensating beam and second compensating beam respectively. The beneficial effects of the utility model are that simple structure, convenient to use can cool off the steel pipe in transporting to the cooling trough at the uniform velocity, and the cost of manufacture is low, and easy maintenance avoids the steel pipe directly to fall into the cooling trough when the cooling, reduces the deformation of steel pipe in the cooling process, improves work efficiency.
Description
Technical Field
The utility model belongs to the technical field of steel pipe production facility, especially, relate to a novel hot-galvanize compensating beam, cooling trough system.
Background
Compared with solid steel such as round steel, the steel pipe has the same bending strength and torsion strength and lighter weight, is steel with an economic section, is widely used for manufacturing structural parts and mechanical parts such as petroleum drill pipes, automobile transmission shafts, bicycle frames, steel scaffold used in building construction and the like, has a hollow section, and is widely used as a pipeline for conveying fluid. In the steel pipe production process, the steel pipe temperature is higher after hot galvanizing, needs to be cooled, the steel pipe is directly placed in a cooling water tank in the prior art, and is taken out manually after the cooling time is reached, so that the labor intensity is high, and the steel pipe falls into the cooling water tank, and because the impact force is easy to deform, safety accidents are easy to happen, and the working efficiency is low.
Disclosure of Invention
In view of the above problem, the to-be-solved problem of the utility model is to provide a novel hot-galvanize compensating beam, cooling trough system especially are fit for steel pipe production in-process hot galvanizing back steel pipe and use during the cooling, reduce the temperature of steel pipe, reduce intensity of labour, improve work efficiency.
In order to solve the technical problem, the utility model discloses a technical scheme is: novel hot-galvanize compensating beam, cooling trough system, including transmission and compensating beam, the both sides of cooling trough are located to the compensating beam symmetry, and transmission's both ends are connected with the compensating beam respectively, and the compensating beam includes first compensating beam and second compensating beam, first compensating beam and second compensating beam parallel arrangement, and transmission includes a plurality of conveyer, a plurality of conveyer parallel arrangement, and conveyer's both ends are connected with first compensating beam and second compensating beam respectively.
Furthermore, the conveyer includes a plurality of driving chains, and a plurality of driving chains connect gradually, are equipped with a plurality of dogs on the driving chain.
Specifically, first balanced beam includes first power drive and a plurality of transmission group, and a plurality of transmission group connect gradually, and first power drive is organized with the transmission and is connected, and transmission group includes transmission shaft and connecting portion, and the transmission shaft is connected with connecting portion.
Furthermore, the connecting part comprises a coaxial gear set and a lifting device, and the coaxial gear set is respectively connected with the lifting device and the transmission device.
Furthermore, the lifting device is a rack, and the rack is meshed with a gear of the coaxial gear set.
Specifically, the second balance beam comprises a second power driving device and a plurality of second transmission sets, the second transmission sets are connected in sequence, the second power driving device is connected with the second transmission sets, each second transmission set comprises a second transmission shaft and a second connecting portion, and the second transmission shafts are connected with the second connecting portions.
Furthermore, the second connecting part comprises a second coaxial gear set and a second lifting device, and the second coaxial gear set is respectively connected with the second lifting device and the transmission device.
Furthermore, the second lifting device is a second rack, and the second rack is meshed with a gear of the second coaxial gear set.
Furthermore, the automatic feeding device further comprises a discharging device, wherein the discharging device is arranged at the discharging end of the transmission device, and the discharging device is matched with the transmission device.
Furthermore, the automatic feeding device further comprises a control device, and the control device is electrically connected with the blanking device, the transmission device, the first power driving device and the second power driving device respectively.
The utility model has the advantages and positive effects that:
1. by adopting the technical scheme, the novel hot galvanizing balance beam and cooling water tank system is simple in structure and convenient to use, the steel pipe can be transported into the cooling water tank at a constant speed for cooling, the manufacturing cost is low, the maintenance is convenient, the steel pipe is prevented from directly falling into the cooling water tank during cooling, the deformation of the steel pipe in the cooling process is reduced, and the working efficiency is improved;
2. this novel hot-galvanize compensating beam, cooling trough system have two compensating beams, and the compensating beam adopts transmission shaft and coaxial gear train to connect, and the chain among the transmission is connected with coaxial gear train, rotates by all driving chains among the same power drive transmission for the transportation of steel pipe is steady, and cooling time is controllable, has improved steel pipe cooling efficiency.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention;
fig. 2 is a schematic top view of an embodiment of the present invention;
fig. 3 is a schematic right-view structural diagram of an embodiment of the present invention;
FIG. 4 is an enlarged view of section A;
fig. 5 is an enlarged view of the B portion.
In the figure:
1. first balance beam 2, second balance beam 3, unloader
4. Mounting column 5, second mounting column 6 and third mounting column
7. First power driving device of transportation device 8 and transportation device 10
11. Rack 12, first connecting part 13, rack
14. Second connecting part 15, first transmission shaft 16 and second transmission shaft
120. Gear 121, gear 140, gear
141. Gear 70, first transmission chain 71 and second transmission chain
72. A third transmission chain 9, a cooling water tank 80 and a stop block
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Fig. 1 shows the utility model relates to a structure of embodiment, specifically show the structure and the relation of connection of this embodiment, this embodiment relates to a novel hot-galvanize compensating beam, cooling trough system for the steel pipe carries out the transportation of steel pipe when the cooling, transport the steel pipe to the cooling trough in, and transport the steel pipe out from the cooling trough, transport to unloader department, get into one process down, carry out follow-up processing, it is steady to transport in the steel pipe cooling process, avoid the steel pipe directly to fall into the cooling trough in, reduce the deformation of steel pipe, improve steel pipe refrigerated work efficiency.
Foretell novel hot dip galvanizing compensating beam, cooling trough system, as shown in fig. 1-3, including transmission and compensating beam, the compensating beam symmetry is installed in the both sides of cooling trough 9, transmission's both ends are connected with the compensating beam respectively, the compensating beam provides power for transmission, and simultaneously, the transmission's of being convenient for installation for transmission rotates, transports the steel pipe, and the compensating beam drives transmission and rotates, transports the steel pipe to cool off in the cooling trough 9, and transports out cooling trough 9, realizes the cooling of steel pipe.
Specifically, as shown in fig. 4 to 5, the balance beam includes a first balance beam 1 and a second balance beam 2, the first balance beam 1 and the second balance beam 2 are arranged in parallel, the first balance beam 1 and the second balance beam 2 are respectively installed on two sides of the cooling water tank 9, that is, on two sides of the feeding end of the cooling water tank 9, the first balance beam 1 and the second balance beam 2 are parallel to each other, two ends of the transmission device are respectively connected with the first balance beam 1 and the second balance beam 2, and the first balance beam 1 and the second balance beam 2 simultaneously provide power for the transmission device, so that the transmission device can rotate to transport the steel pipe, and provide support for installation of the transmission device, so as to maintain balance of the transmission device during transportation, and ensure stability of the steel pipe during transportation.
The first balance beam 1 comprises a first power driving device 10 and a plurality of transmission sets, the transmission sets are sequentially connected, the first power driving device 10 is connected with the transmission sets, the first power driving device 10 provides power for the transmission sets, the transmission sets are enabled to rotate simultaneously, the number of the transmission sets is the same as that of the transmission devices, and selection is carried out according to actual requirements, wherein no specific requirements are made. First power drive device 10 and a plurality of transmission group connect gradually, each transmission group structure is the same, each transmission group all includes transmission shaft and connecting portion, the transmission shaft is connected with connecting portion, that is, first power drive device 10 is connected with the transmission shaft, the transmission shaft is connected with connecting portion, connecting portion are connected with next transmission shaft, the other end and the next connecting portion of this transmission shaft are connected, a plurality of transmission shafts and a plurality of connecting portion interval connection in proper order, the transmission shaft is connected with connecting portion, connecting portion are connected with next transmission shaft again, this next transmission shaft is connected with next connecting portion again. The connecting part comprises a coaxial gear set and a lifting device, the coaxial gear set is respectively connected with the lifting device and a transmission device, the lifting device is a rack, the rack is meshed with a gear of the coaxial gear set, another gear of the coaxial gear set is connected with the transmission device, the number of the gears in the coaxial gear set is at least two, and the selection is carried out according to actual requirements. Here, the first balance beam 1 is described as including two transmission sets.
This first compensating beam 1 includes first power drive device 10, first transmission shaft 15, first connecting portion 12, second transmission shaft 16 and second connecting portion 14, and the output of first power drive device 10 passes through the coupling joint with the one end of first transmission shaft 15, and the other end of first transmission shaft 15 is connected with first connecting portion 12, and the first connecting portion 12 other end is connected with second transmission shaft 16, and the 16 other ends of second transmission shaft are connected with second connecting portion 14. Specifically, the first power driving device 10 is fixedly installed on the mounting column 4, the coaxial gear set of the first connecting portion 12 is installed on the second mounting column 5 through the mounting bracket, and the rack 11 of the first connecting part 12 is vertically arranged on the second mounting column 5, and the rack 11 is connected with the second mounting column 5 in a sliding way, the rack 11 can move up and down on the second mounting column 5, and the coaxial gear set of the first connecting portion 12 has two gears, one gear 120 of the two gears is engaged with the rack 11, the rack 11 moves up and down through the rotation of the gear 120, the other gear 121 of the two gears is connected with the transmission device to drive the transmission device to rotate, the transportation of the steel pipe is realized, and the two ends of the coaxial gear set of the first connecting part 12 are respectively connected with the first transmission shaft 15 and the second transmission shaft 16 through a coupler, and the other end of the second transmission shaft 16 is connected with the second connecting part 14 through a coupler. The coaxial gear set of the second connecting part 14 is fixedly mounted on the third mounting column 6 through a mounting bracket, the rack 13 of the second connecting part 14 is vertically mounted on the third mounting column 6, the rack 13 is slidably connected with the third mounting column 6, the coaxial gear set of the second connecting part 14 comprises two coaxial gears, one gear 141 of the two coaxial gears is meshed with the rack 13, the up-and-down movement of the rack 13 is realized through the rotation of the gear 141, the other gear 140 of the two coaxial gears is connected with a transmission device, the rotation of the transmission device is realized through the rotation of the gear 140, and the transportation of the steel pipe is realized. Here, the first power driving device 10 is a motor, and drives the rotation of the first transmission shaft 15 through the rotation of the motor, the rotation of the first transmission shaft 15 drives the coaxial gear set of the first connecting portion 12 to rotate, and drives the rotation of the transmission device, and simultaneously the rack 11 of the first connecting portion 12 moves up and down, so as to keep the balance of the stress of the two gears in the coaxial gear set, the first connecting portion 12 drives the second transmission shaft 16 to rotate, the second transmission shaft 16 drives the coaxial gear set of the second connecting portion 14 to rotate, and further drives the transmission device to rotate, so as to realize the transportation of the steel pipe, and the rack 13 of the second connecting portion 14 moves up and down, so as to ensure that the stress of the two gears of the coaxial gear set of the second connecting portion 14 is uniform, and ensure the transportation.
The second balance beam 2 includes a second power driving device 20 and a plurality of second transmission sets, the second transmission sets are sequentially connected, the second power driving device 20 is connected with the second transmission sets, the second power driving device 20 provides power for the second transmission sets, so that the second transmission sets rotate simultaneously, the number of the second transmission sets is the same as that of the transmission devices, and the second transmission sets are selected according to actual requirements without specific requirements. The second power driving device 20 is connected with the plurality of second transmission sets in sequence, each second transmission set has the same structure, each second transmission set comprises a transmission shaft and a connecting portion, the transmission shaft is connected with the connecting portions, namely, the second power driving device 20 is connected with the transmission shaft, the transmission shaft is connected with the connecting portions, the connecting portions are connected with the next transmission shaft, the other end of the transmission shaft is connected with the next connecting portion, the transmission shafts are connected with the connecting portions at intervals in sequence, the transmission shaft is connected with the connecting portions, the connecting portions are connected with the next transmission shaft, and the next transmission shaft is connected with the next connecting portion. The connecting part comprises a coaxial gear set and a lifting device, the coaxial gear set is respectively connected with the lifting device and a transmission device, the lifting device is a rack, the rack is meshed with a gear of the coaxial gear set, another gear of the coaxial gear set is connected with the transmission device, the number of the gears in the coaxial gear set is at least two, and the selection is carried out according to actual requirements. Here, the second balance beam 2 including two second transmission sets will be described as an example.
This second balance beam 2 includes second power drive device 20, third transmission shaft, third connecting portion, fourth transmission shaft and fourth connecting portion, and the output of second power drive device passes through the coupling joint with the one end of third transmission shaft, and the other end and the third connecting portion of third transmission shaft are connected, and the third connecting portion other end is connected with the fourth transmission shaft, and the fourth transmission shaft other end is connected with fourth connecting portion. Specifically, the second power driving device is fixedly installed on the mounting column, the coaxial gear set of the third connecting portion is installed on the fourth mounting column through the mounting support, the rack of the third connecting portion is vertically installed on the fourth mounting column and is connected with the fourth mounting column in a sliding mode, the rack can move up and down on the fourth mounting column, the coaxial gear set of the third connecting portion is provided with two gears, one of the two gears is meshed with the rack, the rack can move up and down through rotation of the gears, the other gear of the two gears is connected with the transmission device, the transmission device is driven to rotate, transportation of the steel pipe is achieved, two ends of the coaxial gear set of the third connecting portion are connected with the third transmission shaft and the fourth transmission shaft through couplers respectively, and the other end of the fourth transmission shaft is connected with the fourth connecting portion through a coupler. The coaxial gear set of fourth connecting portion passes through installing support fixed mounting on the fifth erection column, the rack of fourth connecting portion is installed perpendicularly on the fifth erection column, and this rack and fifth erection column sliding connection, include two coaxial gear in the coaxial gear set of fourth connecting portion, a gear meshes with the rack in two coaxial gear mutually, rotation through this gear, realize reciprocating of rack, another gear in two coaxial gear is connected with transmission, realize transmission's rotation through the rotation of this gear, the realization is to the transportation of steel pipe. Here, the second power drive device is a motor, through the rotation of motor, drive the rotation of third transmission shaft, the coaxial gear train that drives the third connecting portion rotates, drive transmission's rotation, the rack of third connecting portion reciprocates simultaneously, with this keep the balance of two gear atresss in the coaxial gear train, the third connecting portion drive the fourth transmission shaft and rotate, the coaxial gear train that the fourth transmission shaft drove the fourth connecting portion rotates, and then drive transmission and rotate, realize the transportation of steel pipe, and the rack of fourth connecting portion reciprocates, with this guarantee that two gear atresss of the coaxial gear train of fourth connecting portion are even, guarantee the stationarity of transmission transportation.
Foretell transmission includes a plurality of conveyer, a plurality of conveyer parallel arrangement, and the both ends of each conveyer are connected with first compensating beam 1 and second compensating beam 2 respectively, drive the conveyer through first compensating beam 1 and second compensating beam 2 and rotate, carry out the transportation of steel pipe. Specifically, the one end of above-mentioned conveyer is connected with the coaxial gear train on the first compensating beam 1, and the other end of conveyer is connected with the coaxial gear train on the second compensating beam 2, and the coaxial gear train on the first compensating beam 1 is corresponding with the coaxial gear train position on the second compensating beam 2, is convenient for drive the conveyer through the coaxial gear train on the first compensating beam 1 and the coaxial gear train on the second compensating beam 2 and rotates, realizes the transportation of steel pipe.
The conveying device comprises a plurality of transmission chains, the transmission chains are sequentially connected, adjacent transmission chains are connected through transmission wheels, the transmission wheels are coaxial gear sets and comprise two chain wheels, one chain wheel is connected with one transmission chain, the other chain wheel is connected with the adjacent transmission chain, and the transmission chains at two ends of the transmission chains are respectively connected with gears in the coaxial gear sets of the connecting parts corresponding to the positions on the first balance beam 1 and the second balance beam 2, so that power transmission is realized. Two sets of transport devices are used for illustration. Transmission includes conveyer 7 and conveyer 8, conveyer 7 and conveyer 8 parallel arrangement, and the both ends of conveyer 7 are connected with the third connecting portion of the first connecting portion 12 of first balanced beam 1 and second balanced beam 2 respectively, the both ends of conveyer 8 are connected with the fourth connecting portion of the second connecting portion 14 of first balanced beam 1 and second balanced beam 2 respectively, rotation through first connecting portion 12 and third connecting portion, realize conveyer 7's rotation, rotation through second connecting portion 14 and fourth connecting portion, realize conveyer 8's rotation.
The number of the transmission chains is three for the explanation. One end of the first transmission chain 70 is connected with a gear in the coaxial gear set of the connecting part of the first balance beam 1, the other end of the first transmission chain 70 is connected with the second transmission chain 71 through a transmission wheel, the second transmission chain 71 is connected with the third transmission chain 72 through another transmission wheel, the other end of the third transmission chain 72 is connected with a gear in the coaxial gear set of the connecting part of the second balance beam 2, when the first power driving device 10 acts, the transmission shaft on the first balance beam 1 rotates with the coaxial gear set of the connecting part to drive the first transmission chain 70 to rotate, the first transmission chain 70 drives the second transmission chain 71 to rotate, and the third transmission chain 72 is driven to rotate by the second power driving device 20 to enhance the power transmission efficiency of the third transmission chain 72 and ensure the speed consistency of the steel pipes in the transportation process.
Install a plurality of dogs 80 on foretell drive chain, this dog 80 evenly installs on the drive chain, and is located the outside of drive chain, and the shape of this dog is cube or cylinder, or other shapes, selects according to actual need, and is preferred, and this dog is the cube structure, and its highly is greater than the radius of steel pipe, and when the steel pipe of being convenient for was located the transport on the drive chain, rolls from the drive chain, guarantees that the steel pipe keeps quiescent condition in the transportation, the transportation of the steel pipe of being convenient for. The stop block is fixedly connected with the transmission chain through connecting pieces such as bolts and the like, can also be connected through welding, or integrally formed, or in other fixed connection modes, and is selected according to actual requirements. In two sets of conveyer, the dog position on the corresponding driving chain is corresponding for the both ends of steel pipe are placed respectively in two corresponding dogs department, and the dog stops the steel pipe, prevents falling of steel pipe in the transportation. The distance between two sets of conveyer is less than the length of steel pipe, is convenient for to the transportation of steel pipe.
This novel hot-galvanize compensating beam, cooling trough system still include unloader 3, and unloader 3 is installed at transmission's discharge end, and unloader 3 cooperatees with transmission for the steel pipe after the cooling that transports among the transmission transports and processes in transporting to next process through unloader 3. This unloader 3 has the conveyer belt and removes the frame, drives the action of drive belt through removing the frame, transports the steel pipe to next process department.
This novel hot dip galvanizing compensating beam, cooling trough system still include controlling means, controlling means respectively with unloader 3, first power drive device 10 and second power drive device 20 electricity are connected, and preset the program edited in controlling means, controlling means control first power drive device 10, second power drive device 20 and the action of unloader 3 for first power drive device 10, second power drive device 20 and unloader 3 cooperate, realize the transportation of steel pipe cooling process.
The working process of the embodiment: this novel hot dip galvanizing compensating beam, cooling trough system is when carrying out the transportation of steel pipe cooling process, the steel pipe is transported to 2 departments of second compensating beam through the driving chain after coming out from the high temperature furnace, fall into on two driving chains of parallel arrangement's conveyer, because the backstop 80 is to stopping of steel pipe on the driving chain, make the steel pipe stable on two driving chains, along with the rotation of driving chain and get into in cooling trough 9, cool off, and along with the continuation rotation of driving chain, the steel pipe is by the outside motion in cooling trough 9, move to unloader 3 departments, through slide and removal frame, the steel pipe after the cooling is and is transported to one process next by unloader 3, carry out one process next.
The utility model has the advantages and positive effects that: by adopting the technical scheme, the novel hot galvanizing balance beam and cooling water tank system is simple in structure and convenient to use, the steel pipe can be transported into the cooling water tank at a constant speed for cooling, the manufacturing cost is low, the maintenance is convenient, the steel pipe is prevented from directly falling into the cooling water tank during cooling, the deformation of the steel pipe in the cooling process is reduced, and the working efficiency is improved; this novel hot-galvanize compensating beam, cooling trough system have two compensating beams, and the compensating beam adopts transmission shaft and coaxial gear train to connect, and the chain among the transmission is connected with coaxial gear train, rotates by all driving chains among the same power drive transmission for the transportation of steel pipe is steady, and cooling time is controllable, has improved steel pipe cooling efficiency.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. Novel hot-galvanize compensating beam, cooling trough system, its characterized in that: the balance beam is symmetrically arranged on two sides of the cooling water tank, two ends of the transmission device are respectively connected with the balance beam, the balance beam comprises a first balance beam and a second balance beam, the first balance beam and the second balance beam are arranged in parallel, the transmission device comprises a plurality of conveying devices, the conveying devices are arranged in parallel, and two ends of the conveying devices are respectively connected with the first balance beam and the second balance beam.
2. The novel hot galvanizing compensating beam and cooling water tank system according to claim 1, characterized in that: the conveying device comprises a plurality of transmission chains, the transmission chains are connected in sequence, and a plurality of stop blocks are arranged on the transmission chains.
3. The novel hot dip galvanizing compensating beam and cooling water tank system according to claim 1 or 2, characterized in that: first balanced roof beam includes first power drive and a plurality of transmission group, a plurality of transmission group connect gradually, first power drive with the transmission group connects, the transmission group includes transmission shaft and connecting portion, the transmission shaft with connecting portion connect.
4. The novel hot dip galvanizing compensating beam and cooling water tank system according to claim 3, characterized in that: the connecting part comprises a coaxial gear set and a lifting device, and the coaxial gear set is respectively connected with the lifting device and the transmission device.
5. The novel hot dip galvanizing compensating beam and cooling water tank system according to claim 4, characterized in that: the lifting device is a rack, and the rack is meshed with a gear of the coaxial gear set.
6. The novel hot dip galvanizing compensating beam and cooling water tank system according to claim 4 or 5, characterized in that: the second balance beam comprises a second power driving device and a plurality of second transmission sets, the second transmission sets are sequentially connected, the second power driving device is connected with the second transmission sets, each second transmission set comprises a second transmission shaft and a second connecting portion, and the second transmission shafts are connected with the second connecting portions.
7. The novel hot dip galvanizing compensating beam and cooling water tank system according to claim 6, characterized in that: the second connecting part comprises a second coaxial gear set and a second lifting device, and the second coaxial gear set is connected with the second lifting device and the transmission device respectively.
8. The novel hot dip galvanizing compensating beam and cooling water tank system according to claim 7, characterized in that: the second lifting device is a second rack, and the second rack is meshed with a gear of the second coaxial gear set.
9. The novel hot dip galvanizing compensating beam and cooling water tank system according to claim 8, characterized in that: the blanking device is arranged at the discharge end of the transmission device, and the blanking device is matched with the transmission device.
10. The novel hot dip galvanizing compensating beam and cooling water tank system according to claim 9, characterized in that: the blanking device is electrically connected with the first power driving device, the transmission device and the second power driving device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822264125.1U CN210151196U (en) | 2018-12-31 | 2018-12-31 | Novel hot galvanizing compensating beam and cooling water tank system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822264125.1U CN210151196U (en) | 2018-12-31 | 2018-12-31 | Novel hot galvanizing compensating beam and cooling water tank system |
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| CN210151196U true CN210151196U (en) | 2020-03-17 |
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| CN201822264125.1U Active CN210151196U (en) | 2018-12-31 | 2018-12-31 | Novel hot galvanizing compensating beam and cooling water tank system |
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