CN217964008U - Lifting type waste gas suction hood - Google Patents
Lifting type waste gas suction hood Download PDFInfo
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- CN217964008U CN217964008U CN202221171160.9U CN202221171160U CN217964008U CN 217964008 U CN217964008 U CN 217964008U CN 202221171160 U CN202221171160 U CN 202221171160U CN 217964008 U CN217964008 U CN 217964008U
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Abstract
The utility model discloses an over-and-under type waste gas cover of breathing in relates to waste gas cover technical field of breathing in. The utility model discloses a suction cover, outer support and a set of drive mechanism, suction cover top both sides all are fixed with preceding lug and back lug, the outer support includes a set of portal frame, drive mechanism sets up in the portal frame inboardly, drive mechanism includes the stay cord ware, a set of haulage rope, double round traction wheel and two single round traction wheels, the inboard at a portal frame stand is fixed to the stay cord ware, two haulage rope one end all are connected with the stay cord ware, double round traction wheel and two single round traction wheels fix the back timber bottom surface at the portal frame side by side. The utility model discloses a two drive mechanism can drive the cover of breathing in and go up and down to operate, and two drive mechanism's stay cord wares pass through the gangbar and link in step simultaneously, can stabilize accurate and go up and down to the cover of breathing in, improve the regional peripheral space size of waste gas, do benefit to the staff and maintain the region that produces waste gas.
Description
Technical Field
The utility model belongs to the technical field of the waste gas cover of breathing in, especially, relate to an over-and-under type waste gas cover of breathing in.
Background
The existing waste gas hood is used for collecting waste gas generation areas, waste gas extraction efficiency can be improved, however, maintenance and overhaul of equipment in the waste gas areas are needed sometimes, certain space is occupied due to the existence of the suction hood, the equipment is not easy to expose outside, operation of workers is not facilitated, and therefore the suction hood capable of being lifted is designed to solve the problem of the workers in the field.
If lifting devices such as a hydraulic cylinder/an air cylinder are adopted, the central position of the air suction cover is provided with an air suction pipe, the mounting position is limited, and at least two lifting devices are needed to keep balance and stability, so that the problem of high production and maintenance cost can be caused, and the energy-saving effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an over-and-under type waste gas cover of breathing in can drive the cover of breathing in through two drive mechanism and carry out the operation of going up and down, and two drive mechanism's stay cord ware passes through the gangbar and links in step simultaneously, can stabilize accurate and go up and down to the cover of breathing in, improves the regional peripheral space size of waste gas, does benefit to the staff and maintains the region that produces waste gas.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a lifting type waste gas suction hood, which comprises a suction hood, an outer bracket and a group of traction mechanisms;
a front lifting lug and a rear lifting lug are fixed on both sides of the top of the air suction cover;
the outer bracket comprises a group of portal frames, and the traction mechanism is arranged on the inner sides of the portal frames;
the traction mechanism comprises a rope puller, a group of traction ropes, a double-wheel traction wheel and two single-wheel traction wheels;
the rope pulling device is fixed on the inner side of an upright post of the portal frame, one end of each of the two traction ropes is connected with the rope pulling device, and the double-wheel traction wheel and the two single-wheel traction wheels are fixed on the bottom surface of a top beam of the portal frame side by side;
the other end of one traction rope sequentially penetrates through the double-wheel traction wheel and the single-wheel traction wheel and is fixed with the rear lifting lug, and the other end of the other traction rope sequentially penetrates through the double-wheel traction wheel and the other single-wheel traction wheel and is fixed with the front lifting lug;
a linkage rod is arranged between the shaft bodies of the rope pulling devices of the two traction mechanisms, and a shifting wheel is fixed at the end part of the shaft body of one rope pulling device;
the top of the wheel carrier of the single-wheel traction wheel is fixed with a fastening plate, the outer side of the fastening plate is fixed with a vertical plate through an inclined edge, the outer side of the vertical plate is fixed with an anti-drop chain, and the other end of the anti-drop chain is connected with the front lifting lug or the rear lifting lug.
Furthermore, the air suction cover comprises a lower cover body which is a rectangular cover body, the top of the lower cover body is connected with a conical cover body, and a telescopic exhaust tube is fixed at the top end of the conical cover body.
Further, the rope pulling device comprises a shell, a shaft body penetrates through the shell and is connected with the shell in a rotating mode, two wheel discs are arranged on the shaft body, the end portions of the traction ropes are wound on the two wheel discs respectively, a bidirectional ratchet mechanism is arranged between the two ends of the shaft body and the shell, and the adjusting end of the bidirectional ratchet mechanism is located outside the shell.
Furthermore, the front lifting lug and the rear lifting lug are fixed at the folded edge of the conical cover body, and the front lifting lug and the rear lifting lug on one side of the air suction cover are arranged in a staggered mode.
Furthermore, two single-wheel traction wheels on the portal frame are arranged in a staggered mode and are opposite to the front lifting lug and the rear lifting lug respectively, and two grooves on the double-wheel traction wheels are opposite to the grooves on the two single-wheel traction wheels respectively.
Furthermore, the fastening plate is fixed with the portal frame through a bolt between the single-wheel traction wheel and the portal frame, a side plate is arranged on the outer side of the fastening plate, and a reinforcing rib is arranged between the side plate and the vertical plate.
The utility model discloses following beneficial effect has:
1. the utility model discloses a two drive mechanism can drive the cover of breathing in and go up and down to operate, and two drive mechanism's stay cord wares pass through the gangbar and link in step simultaneously, can stabilize accurate and go up and down to the cover of breathing in, improve the regional peripheral space size of waste gas, do benefit to the staff and maintain the region that produces waste gas.
2. The utility model discloses a setting of anticreep chain can restrict the operating range of cover of breathing in, when the haulage rope fracture condition appeared, can get the height of guaranteeing the lower position of cover of breathing in simultaneously to it falls to reduce the cover of breathing in and causes the regional equipment damage of waste gas and the not enough condition of cover lower part staff's security of breathing in to fall.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a lift type exhaust gas suction hood according to the present invention;
FIG. 2 is a schematic structural view of the present invention after removing the portal frame;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
in the drawings, the components represented by the respective reference numerals are listed below:
1-air suction hood, 2-portal frame, 3-anticreep chain, 4-rope puller, 5-traction rope, 6-double-wheel traction wheel, 7-single-wheel traction wheel, 101-front lifting lug, 102-rear lifting lug, 103-lower hood, 104-conical hood, 105-telescopic air suction pipe, 401-linkage rod, 402-shifting wheel, 701-fastening plate, 702-vertical plate, 703-side plate and 704-reinforcing rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention relates to a lifting exhaust gas suction hood, which comprises a suction hood 1, an outer bracket and a set of traction mechanism;
a front lifting lug 101 and a rear lifting lug 102 are fixed on both sides of the top of the air suction cover 1;
the outer bracket comprises a group of portal frames 2, and the traction mechanism is arranged on the inner sides of the portal frames 2;
the traction mechanism comprises a rope puller 4, a group of traction ropes 5, a double-wheel traction wheel 6 and two single-wheel traction wheels 7;
the rope puller 4 is fixed on the inner side of an upright post of the portal frame 2, one end of each of two traction ropes 5 is connected with the rope puller 4, and the double-wheel traction wheel 6 and the two single-wheel traction wheels 7 are fixed on the bottom surface of a top beam of the portal frame 2 side by side;
the other end of one traction rope 5 sequentially passes through the double-wheel traction wheel 6 and the single-wheel traction wheel 7 and is fixed with the rear lifting lug 102, and the other end of the other traction rope 5 sequentially passes through the double-wheel traction wheel 6 and the other single-wheel traction wheel 7 and is fixed with the front lifting lug 101;
a linkage rod 401 is arranged between the shaft bodies of the rope pulling devices 4 of the two traction mechanisms, and a shifting wheel 402 is fixed at the end part of the shaft body of one rope pulling device 4;
a fastening plate 701 is fixed to the top of a wheel carrier of the single-wheel traction wheel 7, a vertical plate 702 is fixed to the outer side of the fastening plate 701 through an inclined edge, an anti-dropping chain 3 is fixed to the outer side of the vertical plate 702, and the other end of the anti-dropping chain 3 is connected with the front lifting lug 101 or the rear lifting lug 102.
As shown in fig. 1-2, the air suction hood 1 includes a lower hood 103, the lower hood 103 is a rectangular hood, a conical hood 104 is connected to the top of the lower hood 103, and a telescopic suction tube 105 is fixed to the top of the conical hood 104.
Wherein, stay cord ware 4 includes the casing, runs through on the casing and rotates and be connected with the axis body, is equipped with two rim plates on the axis body, on 5 tip of two haulage ropes twined two rim plates respectively, is equipped with two-way ratchet between axis body both ends and the casing, and two-way ratchet's regulation end is located the casing outside.
As shown in FIG. 2, the front lifting lug 101 and the rear lifting lug 102 are fixed at the hem of the conical cover body 104, and the front lifting lug 101 and the rear lifting lug 102 on one side of the suction cover 1 are arranged in a staggered manner.
The two single-wheel traction wheels 7 on the portal frame 2 are arranged in a staggered mode and are opposite to the front lifting lug 101 and the rear lifting lug 102 respectively, and the two grooves on the double-wheel traction wheel 6 are opposite to the grooves on the two single-wheel traction wheels 7 respectively.
As shown in fig. 3, the fastening plate 701 is fixed to the gantry 2 by bolts between the single-wheel traction wheel 7 and the gantry 2, a side plate 703 is disposed on the outer side of the fastening plate 701, and a reinforcing rib 704 is disposed between the side plate 703 and the vertical plate 702.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a cover is inhaled to over-and-under type waste gas, includes cover (1) of breathing in, its characterized in that: the device also comprises an outer bracket and a group of traction mechanisms;
a front lifting lug (101) and a rear lifting lug (102) are fixed on both sides of the top of the air suction cover (1);
the outer support comprises a group of portal frames (2), and the traction mechanism is arranged on the inner side of the portal frames (2);
the traction mechanism comprises a rope puller (4), a group of traction ropes (5), a double-wheel traction wheel (6) and two single-wheel traction wheels (7);
the rope pulling device (4) is fixed on the inner side of an upright post of the portal frame (2), one ends of the two traction ropes (5) are connected with the rope pulling device (4), and the double-wheel traction wheel (6) and the two single-wheel traction wheels (7) are fixed on the bottom surface of a top beam of the portal frame (2) side by side;
the other end of one traction rope (5) sequentially penetrates through the double-wheel traction wheel (6) and the single-wheel traction wheel (7) and is fixed with the rear lifting lug (102), and the other end of the other traction rope (5) sequentially penetrates through the double-wheel traction wheel (6) and the single-wheel traction wheel (7) and is fixed with the front lifting lug (101);
a linkage rod (401) is arranged between shaft bodies on the rope pulling devices (4) of the two traction mechanisms, and a shifting wheel (402) is fixed at the end part of the shaft body of one rope pulling device (4);
a fastening plate (701) is fixed to the top of a wheel carrier of the single-wheel traction wheel (7), a vertical plate (702) is fixed to the outer side of the fastening plate (701) through an inclined edge, an anti-dropping chain (3) is fixed to the outer side of the vertical plate (702), and the other end of the anti-dropping chain (3) is connected with the front lifting lug (101) or the rear lifting lug (102).
2. The lifting type exhaust gas suction hood as claimed in claim 1, wherein the suction hood (1) comprises a lower hood body (103), the lower hood body (103) is a rectangular hood body, a conical hood body (104) is connected to the top of the lower hood body (103), and a telescopic suction pipe (105) is fixed to the top end of the conical hood body (104).
3. The lifting exhaust gas suction hood as set forth in claim 1, wherein the rope pulling device (4) comprises a housing, a shaft body is rotatably connected to the housing, two wheels are provided on the shaft body, the two ends of the pulling rope (5) are respectively wound around the two wheels, a two-way ratchet mechanism is provided between the two ends of the shaft body and the housing, and the adjusting end of the two-way ratchet mechanism is located outside the housing.
4. The lifting type exhaust gas suction hood according to claim 1, wherein the front lifting lug (101) and the rear lifting lug (102) are fixed at the hemmed part of the conical hood body (104), and the front lifting lug (101) and the rear lifting lug (102) at one side of the suction hood (1) are arranged in a staggered manner.
5. The lifting exhaust gas suction hood according to claim 1, wherein the two single-wheel traction wheels (7) on the portal frame (2) are staggered and are respectively opposite to the front lifting lug (101) and the rear lifting lug (102), and the two grooves on the two-wheel traction wheels (6) are respectively opposite to the grooves on the two single-wheel traction wheels (7).
6. The lifting type exhaust gas suction hood as claimed in claim 1, wherein the fastening plate (701) is fixed to the gantry (2) through bolts between the single-wheel traction wheel (7) and the gantry (2), a side plate (703) is arranged on the outer side of the fastening plate (701), and reinforcing ribs (704) are arranged between the side plate (703) and the vertical plate (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221171160.9U CN217964008U (en) | 2022-05-17 | 2022-05-17 | Lifting type waste gas suction hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221171160.9U CN217964008U (en) | 2022-05-17 | 2022-05-17 | Lifting type waste gas suction hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217964008U true CN217964008U (en) | 2022-12-06 |
Family
ID=84269219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221171160.9U Active CN217964008U (en) | 2022-05-17 | 2022-05-17 | Lifting type waste gas suction hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217964008U (en) |
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2022
- 2022-05-17 CN CN202221171160.9U patent/CN217964008U/en active Active
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