CN114433591A - Turnover folding dust hood - Google Patents
Turnover folding dust hood Download PDFInfo
- Publication number
- CN114433591A CN114433591A CN202210110752.8A CN202210110752A CN114433591A CN 114433591 A CN114433591 A CN 114433591A CN 202210110752 A CN202210110752 A CN 202210110752A CN 114433591 A CN114433591 A CN 114433591A
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- Prior art keywords
- cover plate
- dust
- roller
- flip
- hood
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- 239000000428 dust Substances 0.000 title claims abstract description 103
- 230000007306 turnover Effects 0.000 title abstract description 11
- 239000000779 smoke Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 5
- 239000008397 galvanized steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000009628 steelmaking Methods 0.000 abstract description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
Abstract
The invention provides a turnover folding dust hood, and relates to the technical field of steel making. The overturning and folding dust hood comprises a track, a first cover plate, a second cover plate, a connecting rod, a hydraulic cylinder and a dust removal pipe, wherein the track is laid on two opposite sides of the hoisting hole; one end of the first cover plate is provided with a roller, and the roller is matched with the track; the other end of the first cover plate is hinged with one end of the second cover plate; the other end of the second cover plate is fixedly connected with one end of the connecting rod and can be rotatably connected to the fixed frame; the other end of the connecting rod is hinged with a telescopic rod of the hydraulic cylinder; the dust removal pipe is connected to the first cover plate or the second cover plate. When the turnover folding dust hood is not used, the hydraulic cylinder is controlled to mutually fold the first cover plate and the second cover plate, so that the occupied space is small, and the normal hoisting operation is not influenced; the first cover plate and the second cover plate are mutually unfolded by the control hydraulic cylinder, so that the hoisting hole is covered, the smoke in the hoisting hole is prevented from overflowing, and the dust in the hoisting hole is discharged through the dust removal pipe, so that the dust prevention and dust removal effects can be achieved.
Description
Technical Field
The invention relates to the technical field of steelmaking, in particular to a turnover folding dust hood.
Background
In order to conveniently hoist equipment, a plurality of hoisting holes are formed beside a tower of a steel plant, and due to the fact that ladle hot repair operation is conducted below the hoisting holes, excessive smoke dust is scattered from the hoisting holes, and environmental pollution is caused.
The current dust excluding hood generally all is frame rack construction, is connected with walking wheel transmission through the speed reducer sprocket, realizes the removal function of dust excluding hood, and the general size of this type of dust excluding hood is great, in order to cooperate the walking, need do the civil engineering basis, and the engineering volume is big, and the construction cycle is long, and accounts for the space great, and some old factory buildings are because the on-the-spot space is limited, can't install the great dust excluding hood of this kind of size, and because on-the-spot needs production, can't vacate the place and construct.
Disclosure of Invention
The invention aims to provide a turnover folding dust hood which occupies a small space, can be installed at the position of a hoisting hole, does not influence normal hoisting operation, and can play a good dustproof and dust removal role.
Embodiments of the invention may be implemented as follows:
the invention provides a turnover folding dust hood, which comprises:
the rails are laid on two opposite sides of the hoisting hole;
one end of the first cover plate is provided with a roller, and the roller is matched on the track;
the other end of the first cover plate is hinged with one end of the second cover plate;
the other end of the second cover plate is fixedly connected with one end of the connecting rod and can be rotatably connected to the fixed frame;
the other end of the connecting rod is hinged with a telescopic rod of the hydraulic cylinder;
the dust removal pipe is connected to the first cover plate or the second cover plate and used for discharging smoke dust.
The folding dust excluding hood that overturns that this embodiment provided includes following beneficial effect:
1. when the turnover folding dust hood is not used, the hydraulic cylinder is controlled to mutually fold the first cover plate and the second cover plate, so that the occupied space is small, the turnover folding dust hood can be arranged at the position of a hoisting hole, and the normal hoisting operation cannot be influenced;
2. when the turnover folding dust hood is used, the hydraulic cylinder is controlled to mutually unfold the first cover plate and the second cover plate so as to cover the hoisting hole, smoke dust in the hoisting hole is prevented from overflowing, the smoke dust in the hoisting hole can be discharged through the dust removal pipe, and good dust prevention and removal effects can be achieved;
3. the first cover plate and the second cover plate are controlled to be folded or unfolded through the hydraulic cylinder, the rail and the roller, so that the operation is convenient, and the structure is simple and reliable.
In an alternative embodiment, the flip-fold dust hood further comprises:
and the rail is arranged on the top of the rail in an erecting mode.
Because all need install the rail around the hole for hoist usually, play safety protection's effect, combine the rail to the folding dust excluding hood of upset in this embodiment, not only play safety protection's effect, can also be used for erectting the track, simplify overall structure.
In an alternative embodiment, the flip-fold dust hood further comprises:
and the heavy hammer device is connected with one end of the first cover plate and is used for drawing the first cover plate and the second cover plate to be relatively unfolded.
Like this, through set up the weight device on first apron, not only can utilize the weight device to pull first apron and relative expansion of second apron, can also increase the stability of first apron at the in-process that first apron removed, avoid first apron accident to empty.
In an alternative embodiment, the weight device comprises:
a support frame;
the first fixed pulley is arranged on the support frame;
the second fixed pulley is arranged at a position which is not higher than the roller and is positioned on the same plane with the track;
a balancing weight;
the balancing weight is connected to the one end of rope, and the rope passes through first fixed pulley and second fixed pulley in proper order and is connected to the one end of first apron with the other end.
Like this, the simple structure of weight device, it is convenient to maintain, moreover, the position that sets up of second fixed pulley makes the traction force of rope to first apron be favorable to first apron and second apron to expand relatively.
In an alternative embodiment, the second fixed pulley is mounted at the same height as the roller and in the moving direction of the roller.
Therefore, the arrangement position of the second fixed pulley enables the traction force of the rope on the first cover plate to be parallel to the moving direction of the roller, the traction force of the first cover plate in the horizontal direction is maximized, and the first cover plate and the second cover plate can be rapidly and completely unfolded relatively.
In an alternative embodiment, the ground clearance of the clump weight is greater than the distance of movement of the roller on the track.
Like this, at the whole removal in-process of gyro wheel, the balancing weight is unsettled all the time, makes first apron receive the traction force that equals with the gravity of balancing weight all the time.
In an alternative embodiment, the flip-fold dust hood further comprises:
and the dust collection pipe is arranged right above the outlet of the dust removal pipe under the condition that the first cover plate and the second cover plate are oppositely unfolded.
Therefore, when the foldable dust hood is completely covered on the hoisting hole, the dust in the hoisting hole can be discharged by the dust removing pipe and the dust collecting pipe, and the condition of dust overflow can not occur.
In an optional embodiment, the first cover plate and the second cover plate are internally provided with accommodating cavities, and the first cover plate and the second cover plate are further provided with a water inlet and a water outlet which are communicated with the accommodating cavities.
Because the smoke and dust temperature in the hole for hoist is high, design water cooling circuit in first apron and second apron, can cool down first apron and second apron through water, avoid first apron and second apron to take place the heat altered shape.
In an alternative embodiment, the first cover plate and the second cover plate are made of galvanized steel sheet material.
Because the smoke dust in the hoisting hole may contain corrosive components, such as sulfur dioxide, fluorine, calcium oxide and the like, the first cover plate and the second cover plate are made of galvanized steel plate materials with corrosion resistance and good heat conductivity, so that the temperature is quickly reduced, the thermal deformation is not easy to occur, and the corrosion and the damage are not easy to occur.
In an alternative embodiment, the flip-fold dust hood further comprises:
and the oil ejector is arranged at the hinged position of the first cover plate and the second cover plate and is used for regularly oiling and lubricating the hinged position of the first cover plate and the second cover plate.
Because the smoke and dust temperature in the hole for hoist is higher, the articulated department of first apron and second apron is oily easily, and is lubricated through setting up the oiling ware timing oiling, can guarantee the flexibility that first apron and second apron expanded relatively or draw in.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a foldable dust hood according to an embodiment of the present invention in a folded state;
fig. 2 is a schematic structural view of the dust excluding hood folded in a turning manner according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of the foldable dust excluding hood according to the embodiment of the present invention in an unfolded state;
fig. 4 is a schematic top view of the foldable dust hood according to the embodiment of the present invention in an unfolded state.
Icon: 100-turning and folding dust hood; 110-a fence; 120-track; 130-a first cover plate; 140-a second cover plate; 150-a roller; 160-connecting rod; 170-hydraulic cylinder; 180-a dust removal pipe; 190-a dust suction pipe; 200-a scaffold; 210-a weight dropper device; 211-a support frame; 212-a first fixed pulley; 213-a second fixed pulley; 214-a counterweight; 215-rope.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Referring to fig. 1 to 3, the present embodiment provides a foldable dust hood 100, in which the foldable dust hood 100 includes a rail 110, a rail 120, a first cover plate 130, a second cover plate 140, a connecting rod 160, a hydraulic cylinder 170, a dust pipe 180, a weight device 210, a dust pipe 190, and an oil ejector (not shown).
The rail 110 is installed around the lifting hole, and the rail 120 is installed on the top of the rail 110. Because usually all need install rail 110 around the hole for hoist, play the effect of safety protection, combine rail 110 in the folding dust excluding hood 100 of upset with this embodiment, not only play the effect of safety protection, can also be used for erectting track 120, simplify overall structure.
Wherein, general hoisting hole all is quadrangle such as rectangle or square, according to the shape characteristics of hoisting hole, track 120 is II font structure, certainly also can be according to the shape customization of the peripheral rail 110 of hoisting hole, directly with track 120 whole card on corresponding rail 110, can effectively seal the place that does not have of rail 110 and all seal up, simultaneously, owing to it is a whole quadrangle to be track 120, the card is on rail 110 like this, when first apron 130 and second apron 140 sit in the top, make the atress area evenly distributed, thereby need not do track 120 basis in addition, convenient and fast.
In other embodiments, the rail 110 may not be provided and the track 120 may be directly erected on the ground.
The roller 150 is installed at one end of the first cover plate 130, the roller 150 is matched on the rail 120, and the roller 150 can effectively ensure smooth walking without blocking. The other end of the first cover plate 130 is hinged with one end of the second cover plate 140, the hinged position of the first cover plate 130 and the second cover plate 140 can be provided with a shaft matched with a bearing, an oil ejector is arranged at the hinged position of the first cover plate 130 and the second cover plate 140 and used for regularly oiling and lubricating the hinged position of the first cover plate 130 and the second cover plate 140, and the oil ejector can be of a type which does not need to be connected with a power supply and is directly provided with a built-in battery. Because the smoke temperature in the hoisting hole is higher, the hinged part of the first cover plate 130 and the second cover plate 140 is easy to be dried, and the flexibility of relative expansion or folding of the first cover plate 130 and the second cover plate 140 can be ensured by arranging the oil injector to perform timing oil filling lubrication.
The other end of the second cover plate 140 is fixedly connected to one end of a link 160 and rotatably connected to a fixed frame (not shown), and the other end of the link 160 is hinged to a telescopic rod of the hydraulic cylinder 170. The cylinder body of the hydraulic cylinder 170 is hinged to the bracket 200. In this way, the second cover plate 140, the connecting rod 160, the fixing frame and the hydraulic cylinder 170 form a lever structure, and the hydraulic cylinder 170 can easily drive the second cover plate 140 and the connecting rod 160 to rotate around the fixing frame. The number of the hydraulic cylinders 170 is two, and the two hydraulic cylinders are respectively positioned at two sides of the hoisting hole.
When the foldable dust hood 100 is not used, the hydraulic cylinder 170 is controlled to mutually fold the first cover plate 130 and the second cover plate 140, so that the occupied space is small, the foldable dust hood can be installed at the position of a hoisting hole, and the normal hoisting operation cannot be influenced; when the foldable dust hood 100 is used, the hydraulic cylinder 170 is controlled to unfold the first cover plate 130 and the second cover plate 140 mutually, so that the hoisting hole is covered, the smoke dust in the hoisting hole is prevented from overflowing, the smoke dust in the hoisting hole can be discharged through the dust removal pipe 180, and good dust prevention and removal effects can be achieved; and the first cover plate 130 and the second cover plate 140 are controlled to be folded or unfolded through the hydraulic cylinder 170, the rail 120 and the roller 150, so that the operation is convenient, and the structure is simple and reliable.
Wherein, the hydro-cylinder 170 can select for use the hydro-cylinder in the split type electricity liquid push rod, and the specific model of split type electricity liquid push rod can be: DYTF 5000-1000-20, tension of each cylinder: 5000kgf, stroke: 1000mm, speed: 20mm/s, one station with two cylinders, motor power: 5.5kw, voltage class: AC380/50Hz, protection rating: IP 55; the limit switches 4 are matched to ensure that two oil cylinders can touch the switch at each time, the oil cylinders are controlled to extend and retract to turn the first cover plate 130 and the second cover plate 140 through the forward and reverse rotation of the motor, and an alarm lamp is arranged in the turning process.
The weight device 210 is connected to one end of the first cover 130, and the weight device 210 is used for pulling the first cover 130 and the second cover 140 to spread apart from each other. Thus, by providing the weight device 210 on the first cover 130, the weight device 210 can be used to pull the first cover 130 and the second cover 140 to expand relatively, and the stability of the first cover 130 can be increased during the movement of the first cover 130, thereby preventing the first cover 130 from falling accidentally.
Specifically, the weight device 210 includes a support frame 211, a first fixed pulley 212, a second fixed pulley 213, a weight block 214, and a rope 215, wherein the rope 215 may be a steel wire rope. The first fixed pulley 212 is arranged on the support frame 211; the second fixed pulley 213 is installed at a position not higher than the roller 150 and is located on the same plane as the rail 120; one end of the rope 215 is connected to the weight block 214, and the rope 215 passes through the first and second fixed pulleys 212 and 213 in turn and has the other end connected to one end of the first cover 130. Thus, the weight device 210 has a simple structure and is convenient to maintain, and the second fixed pulley 213 is disposed at a position such that the traction force of the rope 215 on the first cover plate 130 is beneficial to the relative expansion of the first cover plate 130 and the second cover plate 140.
Preferably, the second fixed pulley 213 is installed at a position equal to the roller 150 and in the moving direction of the roller 150. In this way, the second fixed pulley 213 is disposed at a position such that the traction force of the rope 215 on the first cover plate 130 is parallel to the moving direction of the roller 150, and the horizontal traction force applied to the first cover plate 130 is maximized, which facilitates the first cover plate 130 and the second cover plate 140 to be rapidly and completely unfolded.
The ground clearance of the weight 214 is greater than the distance the roller 150 moves on the track 120. Thus, during the entire movement of the roller 150, the weight block 214 is always suspended, so that the first cover 130 is always pulled by the same weight force as the weight block 214.
Referring to fig. 4, in a state where the first cover plate 130 and the second cover plate 140 are relatively unfolded, the dust suction pipe 190 is disposed right above the outlet of the dust removal pipe 180. The dust suction pipe 190 is communicated with the outside, and is provided with a fan. Therefore, when the foldable dust hood 100 is completely covered on the hoisting hole, the dust in the hoisting hole can be discharged by using the dust removing pipe 180 and the dust collecting pipe 190, and the condition of dust overflow can not occur.
The first cover plate 130 and the second cover plate 140 may be designed to be a double-layer structure, so that the first cover plate 130 and the second cover plate 140 have accommodating cavities therein, and the first cover plate 130 and the second cover plate 140 are further provided with a water inlet and a water outlet communicated with the accommodating cavities. Because the smoke temperature in the hoisting hole is high, water cooling loops are designed in the first cover plate 130 and the second cover plate 140, the first cover plate 130 and the second cover plate 140 can be cooled by water, and the first cover plate 130 and the second cover plate 140 are prevented from being thermally deformed.
Because the smoke dust in the hoisting hole may contain corrosive components, such as sulfur dioxide, fluorine, calcium oxide, and the like, the first cover plate 130 and the second cover plate 140 are made of galvanized steel plate materials with corrosion resistance and good heat conductivity, so that the temperature is quickly reduced, the heat deformation is not easy to occur, and the corrosion and the damage are not easy to occur.
The edges of the first cover plate 130 and the second cover plate 140 may be further provided with a sealant, and in a state where the first cover plate 130 and the second cover plate 140 are relatively unfolded, the first cover plate 130 and the second cover plate 140 can seal the hoisting holes through the sealant.
The working process of the foldable dust excluding hood 100 provided by the embodiment is as follows:
when the telescopic rods of the two hydraulic cylinders 170 extend out simultaneously, the counterweight block 214 descends under the action of gravity, because one end of the rope 215 is connected with the first cover plate 130, the first cover plate 130 is pulled by the counterweight block 214 slowly forwards until the first cover plate 130 and the second cover plate 140 lie flat, the outlet of the dust removal pipe 180 is overlapped with the dust removal pipe 190, smoke dust below the first cover plate 130 and the second cover plate 140 is sucked away by an external fan, when the telescopic rods of the hydraulic cylinders 170 retract, the second cover plate 140 is driven to ascend, the first cover plate 130 is pulled by the second cover plate 140 to ascend until the first cover plate 130 and the second cover plate 140 are relatively folded in place, and the folding dust removal cover 100 is turned over after being folded in so as not to influence the hoisting work of the hoisting hole.
The present embodiment provides the following benefits of the flip-fold dust excluding hood 100:
1. when the foldable dust hood 100 is not used, the hydraulic cylinder 170 is controlled to mutually fold the first cover plate 130 and the second cover plate 140, so that the occupied space is small, the foldable dust hood can be installed at the position of a hoisting hole, and the normal hoisting operation cannot be influenced;
2. when the foldable dust hood 100 is used, the hydraulic cylinder 170 is controlled to unfold the first cover plate 130 and the second cover plate 140 mutually, so that the hoisting hole is covered, the smoke dust in the hoisting hole is prevented from overflowing, the smoke dust in the hoisting hole can be discharged through the dust removal pipe 180, and good dust prevention and removal effects can be achieved;
3. the first cover plate 130 and the second cover plate 140 are controlled to be folded or unfolded through the hydraulic cylinder 170, the rail 120 and the roller 150, so that the operation is convenient, and the structure is simple and reliable;
4. the fence 110 is combined into the turnover folding dust hood 100, and the rail 120 is erected at the top of the fence 110, so that the safety protection effect is achieved, the rail 120 can be erected, and the overall structure is simplified;
5. the weight device 210 is connected to the first cover 130, so that the weight device 210 can be used to pull the first cover 130 and the second cover 140 to expand relatively, and the stability of the first cover 130 can be increased during the movement of the first cover 130, thereby preventing the first cover 130 from falling accidentally;
6. the first cover plate 130 and the second cover plate 140 are made of galvanized steel plate materials, and are internally provided with water cooling loops, so that the first cover plate 130 and the second cover plate 140 are prevented from thermal deformation, are not easy to corrode and damage, and are suitable for hoisting holes for ladle hot repair.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a folding dust excluding hood overturns which characterized in that, folding dust excluding hood overturns includes:
the rails (120) are laid on two opposite sides of the hoisting hole;
a first cover plate (130), wherein one end of the first cover plate (130) is provided with a roller (150), and the roller (150) is matched on the track (120);
the other end of the first cover plate (130) is hinged with one end of the second cover plate (140);
the other end of the second cover plate (140) is fixedly connected with one end of the connecting rod (160) and is rotatably connected to the fixed frame;
the other end of the connecting rod (160) is hinged with a telescopic rod of the hydraulic cylinder (170);
and the dust removing pipe (180) is connected to the first cover plate (130) or the second cover plate (140), and the dust removing pipe (180) is used for discharging smoke.
2. A flip-fold dust hood according to claim 1, further comprising:
the rail (110) is used for being installed around the hoisting hole, and the rail (120) is erected at the top of the rail (110).
3. A flip-fold dust hood according to claim 1, further comprising:
the weight device (210) is connected with one end of the first cover plate (130), and the weight device (210) is used for drawing the first cover plate (130) and the second cover plate (140) to be unfolded oppositely.
4. A flip-fold dust excluding hood as claimed in claim 3, wherein said weight means (210) comprises:
a support frame (211);
a first fixed pulley (212) mounted on the support frame (211);
a second fixed pulley (213) installed at a position not higher than the roller (150) and located on the same plane as the rail (120);
a weight (214);
a rope (215), one end of the rope (215) is connected with the counterweight (214), and the rope (215) passes through the first fixed pulley (212) and the second fixed pulley (213) in sequence and is connected with the other end to one end of the first cover plate (130).
5. A flip-fold dust excluding hood as claimed in claim 4, wherein said second fixed pulley (213) is installed at a same height as said roller (150) and located in the moving direction of said roller (150).
6. A flip-fold dust excluding hood as claimed in claim 4, wherein the distance from the ground of said weight (214) is greater than the distance of movement of said roller (150) on said track (120).
7. A flip-fold dust hood according to claim 1, further comprising:
a dust suction pipe (190), wherein the dust suction pipe (190) is disposed right above an outlet of the dust removal pipe (180) when the first cover plate (130) and the second cover plate (140) are spread apart from each other.
8. The foldable dust hood as claimed in claim 1, wherein the first cover plate (130) and the second cover plate (140) have a receiving cavity therein, and the first cover plate (130) and the second cover plate (140) further have a water inlet and a water outlet communicated with the receiving cavity.
9. A flip-fold dust excluding hood as claimed in claim 1, wherein said first cover plate (130) and said second cover plate (140) are made of galvanized steel sheet material.
10. A flip-fold dust hood according to claim 1, further comprising:
the oil lubricator is arranged at the hinged part of the first cover plate (130) and the second cover plate (140) and is used for lubricating the hinged part of the first cover plate (130) and the second cover plate (140) in a timing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210110752.8A CN114433591A (en) | 2022-01-29 | 2022-01-29 | Turnover folding dust hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210110752.8A CN114433591A (en) | 2022-01-29 | 2022-01-29 | Turnover folding dust hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114433591A true CN114433591A (en) | 2022-05-06 |
Family
ID=81370802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210110752.8A Pending CN114433591A (en) | 2022-01-29 | 2022-01-29 | Turnover folding dust hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114433591A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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