CN217210358U - Automatic closing device for pit cover plate long hole of multi-pit furnace sharing portal frame production line - Google Patents
Automatic closing device for pit cover plate long hole of multi-pit furnace sharing portal frame production line Download PDFInfo
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- CN217210358U CN217210358U CN202220526323.4U CN202220526323U CN217210358U CN 217210358 U CN217210358 U CN 217210358U CN 202220526323 U CN202220526323 U CN 202220526323U CN 217210358 U CN217210358 U CN 217210358U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a many pit furnaces sharing portal frame production line pit apron slot hole self-sealing device, its bell passes through the pipeline and drives the connecting line and rise along with the bell, and when the bell moved to one side, the wall chase drove two pi-shaped closed loop driving chains and moves, and the removable cover that lies in on the opposite side of wall chase rolls over one by one along with the removal of two pi-shaped closed loop driving chains and keeps off on the pit apron slot hole that exposes, has overcome the rail and can't reach the height requirement stipulated in the national standard; the operation of fixing carbon and taking and placing the sample by the staff is facilitated, the radiation of the furnace cover heat to the pit is reduced, the temperature in the pit is reduced, the safety and the service life of connecting pipelines such as water, gas and electricity are effectively improved, the whole structure is simple, the performance is reliable, the maintenance is convenient, and the appearance of the production line is overall attractive.
Description
Technical Field
The utility model relates to a heat treatment equipment especially relates to a many pit furnace sharing portal frame production line pit apron slot hole self-sealing device.
Background
At present, in order to save cost, as shown in fig. 1, a plurality of pit furnaces share a portal frame production line, a portal frame can drag a plurality of pit furnace covers 1 to open and close, connecting pipelines 2 of water, gas, electricity and the like of each pit furnace are connected to the furnace covers 1 of each pit furnace through a drag chain 3 by pits, pit cover plate long holes 4 need to be arranged at the places where the drag chain 3 passes in the opening and translation process of the furnace covers 1, and fences 5 are placed around the pit cover plate long holes 4, so that problems exist in the actual work, A. the fences are influenced by the height of the drag chain and the furnace covers, and cannot meet the height requirements specified in national standards; B. in the operations of carbon determination and sample taking and placing, an operator needs to often operate the furnace cover 1, and the operator is very inconvenient to enter an equipment area because of the interception of the fence 5; C. the heat of the furnace cover 1 is radiated into the pit, so that the higher temperature in the pit influences the safety and the service life of the connecting pipelines 2 for water, gas, electricity and the like; D. by adopting the scheme, not only the operation of operators is inconvenient, but also the appearance of the whole production line is messy, and the whole appearance is attractive and poor.
SUMMERY OF THE UTILITY MODEL
In view of the above, the main object of the present invention is to provide an automatic sealing device for pit cover plate slot holes of a gantry production line shared by multiple pit furnaces, wherein when the furnace cover moves, the movable cover plate of a double n-shaped closed-loop transmission chain is driven by a pipeline groove to move and is turned out one by one to block on the exposed pit cover plate slot holes, so as to overcome the defect that the fence can not meet the height requirement specified in the national standard; the operation of fixing carbon and taking and placing the sample by the staff is facilitated, the radiation of the heat of the furnace cover to the pit is reduced, the temperature in the pit is reduced, the safety and the service life of connecting pipelines such as water, gas and electricity are effectively improved, the integral structure is simple, the performance is reliable, the maintenance is convenient, and the appearance of the production line is integrally attractive.
In order to achieve the above purpose, the technical solution of the present invention is realized as follows:
the utility model provides a many pit furnaces sharing portal frame production line pit apron slot hole self-sealing device, includes several bell and array connecting line, the connecting line lower part sets up in the pit, still includes chase, two pi shape closed loop driving chains and removable cover, the chase is fixed on corresponding bell, two double pi shape closed loop driving chains that set up side by side set up on the corresponding pit apron slot hole both sides position of this bell, and the chase lower part links to each other with two double pi shape closed loop driving chains to vertical setting is between two double pi shape closed loop driving chains that set up side by side, and connecting line upper portion passes and fixes in the chase, and the connecting line upper end is linked together with this bell, and several removable cover both sides are fixed respectively on the driving chain link of the corresponding position of two double pi shape closed loop driving chains.
As a further technical scheme, the double pi-shaped closed loop transmission chain is composed of a transmission chain, four corner guide wheels and two inner corner guide wheels, the transmission chain is sleeved on the four corner guide wheels and the two inner corner guide wheels, an outer horizontal chain and an outer vertical chain are formed by the four corners of the four corner guide wheels in a distributed mode, the outer horizontal chain and the two outer vertical chains form an outer pi-shaped transmission chain, the two four corner guide wheels positioned below and the two inner corner guide wheels positioned above are matched to form an inner horizontal chain and an inner vertical chain, the inner horizontal chain and the two inner vertical chains form an inner pi-shaped transmission chain, and the double pi-shaped closed loop transmission chain is integrally formed.
As a further technical scheme, the double-U-shaped closed-loop transmission chain comprises a poke rod and a poke plate, wherein the poke rod is fixedly arranged on the side face of a pipeline groove, the poke plate is fixedly arranged on two outer horizontal chains of a double-U-shaped closed-loop transmission chain positioned below the poke rod, a working hole is formed in the poke plate, and the poke rod is inserted into the working hole.
As a further technical scheme, the double n-shaped closed-loop transmission chain further comprises two guide chain plates and two lower pressing plates, wherein the two guide chain plates and the two lower pressing plates are respectively fixed on the pipeline grooves, the upper surfaces of the two guide chain plates are respectively pressed against the lower surfaces of two outer horizontal chains of the corresponding double n-shaped closed-loop transmission chain, and the lower pressing plates are respectively pressed against the two sides of the poking plate.
As a further technical scheme, the pipeline connecting device further comprises a drag chain, the lower part of the connecting pipeline is bundled on the drag chain, and the upper end of the drag chain is fixedly connected to the lower part of the pipeline groove.
The beneficial effect after adopting above-mentioned technical scheme is: according to the technical scheme, when the furnace cover moves, the movable cover plate of the double n-shaped closed-loop transmission chain is driven by the pipeline groove to move to turn out and block the exposed pit cover plate long holes one by one, so that the defect that a fence cannot meet the height requirement specified in national standards is overcome; the operation of fixing carbon and taking and placing the sample by the staff is facilitated, the radiation of the furnace cover heat to the pit is reduced, the temperature in the pit is reduced, the safety and the service life of connecting pipelines such as water, gas and electricity are effectively improved, the whole structure is simple, the performance is reliable, the maintenance is convenient, and the appearance of the production line is overall attractive.
Drawings
Fig. 1 is a schematic top view of a prior art structure.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a side sectional structural view of fig. 2.
Fig. 4 is a schematic diagram of a part of the structure of fig. 3 enlarged in the direction of K.
In the figure, 1 furnace cover, 2 connecting pipelines, 3 drag chains, 4 pit cover plate long holes, 5 fences, 6 pipeline grooves, 7 movable cover plates, 8 four-corner guide wheels, 9 inner corner guide wheels, 10 outer horizontal chains, 11 outer vertical chains, 12 inner horizontal chains, 13 inner vertical chains, 14 poking rods, 15 poking plates, 16 guide chain plates and 17 hold-down plates.
Detailed Description
The following describes specific embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 2-4, the automatic sealing device for pit cover plate slot holes of a portal frame production line shared by a plurality of pit-type furnaces according to the technical scheme is characterized in that a furnace cover 1 is respectively arranged on each pit-type furnace on the portal frame production line shared by the plurality of pit-type furnaces, a pipeline groove 6 is respectively arranged on each furnace cover 1, double pi-shaped closed-loop transmission chains are respectively arranged at two sides in the pit cover plate slot hole 4 corresponding to each furnace cover 1, the pipeline groove 6 is vertically arranged between the two double pi-shaped closed-loop transmission chains, the lower part of a connecting pipeline 2 is bound on a drag chain 3, the upper end of the drag chain 3 is fixed on the lower part of the pipeline groove 6, the upper part of the connecting pipeline 2 passes through the pipeline groove 6 to be communicated with the furnace cover 1 above, the pipeline groove 6 is connected with the double pi-shaped closed-loop transmission chains, a plurality of movable cover plates 7 are arranged at corresponding positions of the two double pi-shaped closed-loop transmission chains, when the portal frame is hoisted 1, the pipe chase 6, the drag chain 3 and the connecting pipe 2 rise along with the furnace cover 1, when the furnace cover 1 moves to one side, the pipe chase 6 drives the double n-shaped closed-loop transmission chain to move, and the movable cover plate positioned on the other side of the pipe chase 6 turns out one by one along with the movement of the double n-shaped closed-loop transmission chain and is blocked on the exposed pit cover plate slot hole 4.
The automatic sealing device for the pit cover plate long hole of the production line of the portal frame shared by a plurality of pit-type furnaces, which is related by the technical scheme, comprises a plurality of furnace covers 1 and a plurality of groups of connecting pipelines 2, the lower part of the connecting pipeline 2 is arranged in a pit, and the connecting pipeline also comprises a pipeline groove 6, a double n-shaped closed loop transmission chain and a movable cover plate 7, the pipeline troughs 6 are fixed on the corresponding furnace covers 1, two double n-shaped closed loop transmission chains arranged side by side are arranged at the two sides of the pit cover plate long hole 4 corresponding to the furnace covers 1, the lower parts of the pipeline troughs 6 are connected with the two double n-shaped closed loop transmission chains, and is vertically arranged between two double n-shaped closed loop transmission chains which are arranged side by side, the upper part of the connecting pipeline 2 passes through and is fixed in a pipeline groove 6, the upper end of the connecting pipeline 2 is communicated with the furnace cover 1, and two sides of a plurality of movable cover plates 7 are respectively fixed on the transmission chain links at the corresponding positions of the two double n-shaped closed loop transmission chains.
As a further embodiment, the double pi-shaped closed loop transmission chain is composed of a transmission chain, four corner guide wheels 8 and two inner corner guide wheels 9, the transmission chain is sleeved on the four corner guide wheels 8 and the two inner corner guide wheels 9, four corners of the four corner guide wheels 8 are distributed to form an outer horizontal chain 10 and an outer vertical chain 11, the outer horizontal chain 10 and two outer vertical chains 11 form an outer pi-shaped transmission chain, the two lower corner guide wheels 8 and the two upper inner corner guide wheels 9 are matched to form an inner horizontal chain 12 and an inner vertical chain 13, and the inner horizontal chain 12 and the two inner vertical chains 13 form an inner pi-shaped transmission chain, so that the double pi-shaped closed loop transmission chain is integrally formed.
As a further embodiment, the double-n-shaped closed-loop transmission chain further comprises a poke rod 14 and a poke plate 15, wherein the poke rod 14 is fixedly arranged on the side surface of the pipeline trough 6, the poke plate 15 is fixedly arranged on the two outer horizontal chains 10 of the double-n-shaped closed-loop transmission chain positioned below the poke rod 14, a working hole is formed in the poke plate 15, and the poke rod 14 is inserted into the working hole.
As a further embodiment, the double n-shaped closed-loop transmission chain further comprises guide link plates 16 and lower pressing plates 17, wherein the guide link plates 16 and the lower pressing plates 17 are respectively fixed on the pipeline grooves 6, the upper surfaces of the two guide link plates 16 are respectively pressed against the lower surfaces of the two outer horizontal chains 10 of the corresponding double n-shaped closed-loop transmission chain, and the lower pressing plates 17 are respectively pressed against the two sides of the poking plate 15.
As a further embodiment, the pipeline connecting device further comprises a drag chain 3, the lower part of the connecting pipeline 2 is bundled on the drag chain 3, and the upper end of the drag chain 3 is fixedly connected on the lower part of the pipeline groove 6.
In the embodiment of the technical scheme, the arrangement of the chain guide plate 16 and the lower pressing plate 17 can further improve that the work of the poke rod 14 is more stable and safer when the poke rod 14 pushes the double n-shaped closed-loop transmission chain, and the poke rod 14 can be arranged on one side or two sides of the pipeline groove 6 according to actual needs.
In the embodiment of the technical scheme, two pit furnaces are arranged on a common portal frame production line of a plurality of pit furnaces, and connecting pipelines 2 in two furnace covers 1 are respectively placed in the left side and the right side of a pit in a pit cover plate long hole 4.
The double n-shaped closed loop transmission chain in the technical scheme can also be arranged on one side, and a supporting beam is arranged at the vacant position to support the other side of the movable cover plate 7, so that the aim of safety protection on the pit cover plate long hole 4 is fulfilled.
The above description is only a preferred embodiment of the present disclosure, and is not intended to limit the scope of the present disclosure.
Claims (5)
1. The utility model provides a many pit furnaces sharing portal frame production line pit apron slot hole self-sealing device, includes several bell and array connecting line, the connecting line lower part sets up in the pit, its characterized in that still includes wall chase, two pi shape closed loop driving chains and removable cover, the wall chase is fixed on corresponding bell, and two double pi shape closed loop driving chains that set up side by side set up on the corresponding pit apron slot hole both sides position of this bell, and the wall chase lower part links to each other with two double pi shape closed loop driving chains to vertical setting is between two double pi shape closed loop driving chains that set up side by side, and connecting line upper portion passes and fixes in the wall chase, and the connecting line upper end is linked together with this bell, and several removable cover both sides are fixed respectively on the driving chain link of the corresponding position of two double pi shape closed loop driving chains.
2. The automatic sealing device for pit cover plate long holes of a portal frame production line shared by multiple pit furnaces according to claim 1, wherein the double pi-shaped closed-loop transmission chain is composed of a transmission chain, four-corner guide wheels and two inner-corner guide wheels, the transmission chain is sleeved on the four-corner guide wheels and the two inner-corner guide wheels, an outer horizontal chain and an outer vertical chain are formed by the four-corner distribution of the four-corner guide wheels, the outer horizontal chain and the two outer vertical chains form an outer pi-shaped transmission chain, the two lower four-corner guide wheels and the two upper inner-corner guide wheels are matched to form an inner horizontal chain and an inner vertical chain, and the inner horizontal chain and the two inner vertical chains form an inner pi-shaped transmission chain and integrally form the double pi-shaped closed-loop transmission chain.
3. The automatic sealing device for the pit cover long hole of the portal frame production line shared by a plurality of pit furnaces as claimed in claim 1 or 2, further comprising a poke rod and a poke plate, wherein the poke rod is fixedly arranged on the side surface of the pipeline chase, the poke plate is fixedly arranged on two outer horizontal chains of the double n-shaped closed-loop transmission chain positioned below the poke rod, the poke plate is provided with a working hole, and the poke rod is inserted into the working hole.
4. The automatic sealing device for the long hole of the pit cover of the production line of the portal frame shared by the pit furnaces as claimed in claim 3, further comprising two chain guiding plates and two lower pressing plates, wherein the two chain guiding plates and the lower pressing plates are respectively fixed on the pipe chase, the upper surfaces of the two chain guiding plates respectively press against the lower surfaces of the two outer horizontal chains of the corresponding double n-shaped closed-loop transmission chains, and the lower pressing plates respectively press against the two sides of the poking plate.
5. The automatic sealing device for the pit cover long hole of the production line of the portal frame shared by the multiple pit furnaces as claimed in claim 1, further comprising a drag chain, wherein the lower part of the connecting pipeline is bundled on the drag chain, and the upper end of the drag chain is fixedly connected to the lower part of the pipeline groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220526323.4U CN217210358U (en) | 2022-03-11 | 2022-03-11 | Automatic closing device for pit cover plate long hole of multi-pit furnace sharing portal frame production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220526323.4U CN217210358U (en) | 2022-03-11 | 2022-03-11 | Automatic closing device for pit cover plate long hole of multi-pit furnace sharing portal frame production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217210358U true CN217210358U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220526323.4U Active CN217210358U (en) | 2022-03-11 | 2022-03-11 | Automatic closing device for pit cover plate long hole of multi-pit furnace sharing portal frame production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217210358U (en) |
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2022
- 2022-03-11 CN CN202220526323.4U patent/CN217210358U/en active Active
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