CN110108127B - Pit furnace lid lifting structure - Google Patents
Pit furnace lid lifting structure Download PDFInfo
- Publication number
- CN110108127B CN110108127B CN201910377219.6A CN201910377219A CN110108127B CN 110108127 B CN110108127 B CN 110108127B CN 201910377219 A CN201910377219 A CN 201910377219A CN 110108127 B CN110108127 B CN 110108127B
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- CN
- China
- Prior art keywords
- rod
- lever
- arm
- furnace cover
- furnace
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- 238000000926 separation method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1808—Removable covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1808—Removable covers
- F27D2001/1825—Means for moving the cover
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention provides a pit furnace cover lifting structure, which comprises a furnace body and a furnace cover arranged at the upper end of the furnace body, wherein a support is fixedly arranged at one side of the furnace body, a support arm is fixedly arranged at the upper end of the support arm, the front end part of the support arm extends right above the furnace cover, a lever is arranged on the support arm, the front end part of the lever is rotatably arranged at the front end of the support arm, the front end of the lever is fixedly connected with the middle part of the furnace cover through a connecting rod, a telescopic cylinder is fixedly arranged at a position corresponding to the rear end of the lever on the support arm, and a telescopic rod arranged by the telescopic cylinder is fixedly connected with the rear end of the lever; the lever is arranged above the furnace cover, the front end of the lever is connected with the furnace cover, the power actuating mechanism is arranged at the rear end of the lever, lifting and falling are realized through the lever principle, the driving force is small, and the whole structure part is less, convenient to maintain, clean and tidy; a guide mechanism is arranged between the furnace cover and the supporting arm, so that the furnace cover can be lifted vertically and can be covered on the furnace body without assistance of an operator.
Description
Technical Field
The invention relates to the technical field of pit furnaces, in particular to a pit furnace cover lifting structure.
Background
The pit furnace is a periodic operation type heat treatment device, is suitable for treating rod and long shaft metal components, and is widely applied to the basic industrial fields of automobile part manufacture, mould manufacture and the like. With the continuous development of social economy in China, the requirements of the markets at home and abroad on metal products are continuously improved, and meanwhile, the requirements of various finished product manufacturers on the surface hardness of metal components, the service life of the components and the like are also higher and higher. Therefore, the conventional steam oxidation pit furnace in China at present cannot meet the social and development requirements.
The upper end of the pit furnace is provided with a furnace cover, and at present, a chain lifting mode is mostly adopted, and generally comprises two chains, a plurality of rollers and accessory parts, and a lifting machine, wherein the lifting mode is not thick; however, the maintenance of the parts is more complicated, and the number of times of abrasion replacement is more; the chain is also often lubricated to cause lubricating oil to drop and produce the spot, and in addition, the lifting machine is generally electric drive, and is generally equal weight to hoist, and long-time use lifting machine is very easily heated and damaged, and maintenance and change expense are higher.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a pit furnace cover lifting structure.
The utility model provides a pit furnace bell promotes structure, includes the furnace body and sets up the bell of furnace body upper end, its characterized in that: one side of furnace body has set firmly the support, the upper end of support has set firmly the support arm, the front end tip of support arm extends directly over the bell be equipped with the lever on the support arm, the front end tip of lever rotates to install the front end of support arm, the front end of lever pass through the connecting rod with the middle part fixed connection of bell correspond on the support the telescopic cylinder has set firmly in the position of lever rear end, the telescopic link that the telescopic cylinder set up with the rear end fixed connection of lever.
The method further comprises the following steps: the middle part of the supporting arm is fixedly provided with a vertical guide sliding rail, a guide rod is arranged in the guide sliding rail, the lower end of the guide rod is fixedly connected with the furnace cover, and the upper end part of the guide rod is in sliding fit with the guide sliding rail.
The method further comprises the following steps: the guide slide rail comprises deep groove rollers which are respectively arranged at the upper part and the lower part of the support arm in parallel, and a slide groove is formed between the deep groove rollers which are arranged in parallel and is clamped on the guide rod.
The method further comprises the following steps: the support arm comprises a cross arm and an inclined arm, the front ends of the cross arm and the inclined arm are fixedly connected, and the rear ends of the cross arm and the inclined arm are both fixed on the bracket; the deep groove roller arranged on the upper portion of the supporting arm is located on the cross arm, and the deep groove roller arranged on the lower portion of the supporting arm is located on the oblique arm.
The method further comprises the following steps: the levers are arranged on two sides of the cross arm, a rotating shaft is arranged at the front end of the cross arm in a penetrating manner, and the levers on two sides of the cross arm are respectively rotatably arranged at the end parts of two ends of the rotating shaft; connecting plates are fixedly connected between the front end part and the rear end part of the levers on the two sides of the cross arm, and the telescopic rod is fixedly connected with the connecting plates arranged at the rear ends of the levers.
The method further comprises the following steps: the connecting rod comprises an upper rod, a lower rod and a nut sleeve, the upper end of the upper rod is hinged with the lever, the lower end of the lower rod is rotatably arranged on the furnace cover, and two ends of the nut sleeve are respectively in threaded fit with the lower end of the upper rod and the upper end of the lower rod; the nut sleeve is arranged on the upper rod in advance, and the connection and the separation with the upper rod can be realized by rotating the lower rod through the nut sleeve.
The invention has the beneficial effects that: the lever is arranged above the furnace cover, the front end of the lever is connected with the furnace cover, the power actuating mechanism is arranged at the rear end of the lever, lifting and falling are realized through the lever principle, the driving force is small, and the whole structure part is less, convenient to maintain, clean and tidy; a guide mechanism is arranged between the furnace cover and the supporting arm, so that the furnace cover can be lifted vertically and can be covered on the furnace body without assistance of an operator.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the support arm and lever according to the present invention;
fig. 3 is an enlarged schematic view of the area a in fig. 1.
In the figure, 1, a furnace body; 11. a furnace cover; 2. a bracket; 21. a fixing seat; 3. a telescopic cylinder; 4. a lever; 41. a connecting plate; 5. a bevel arm; 6. a guide rail; 61. a guide rod; 7. a cross arm; 8. a rotating shaft; 9. a connecting rod; 91. a pole is arranged; 92. a nut sleeve; 93. and (5) lower rod.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. It should be noted that, in the examples of the present invention, terms of left, middle, right, upper, lower, etc. are merely relative concepts or references to normal use states of the product, and should not be construed as limiting.
As shown in fig. 1, a pit furnace cover lifting structure comprises a furnace body 1 and a furnace cover 11 arranged at the upper end of the furnace body 1, wherein a support 2 is fixedly arranged on one side of the furnace body 1, a support arm is fixedly arranged at the upper end of the support 2, the support arm comprises a cross arm 7 and an inclined arm 5, the front end part of the support arm extends right above the furnace cover 11, a lever 4 is arranged on the support arm, the front end part of the lever 4 is rotatably arranged at the front end of the support arm, the front end of the lever 4 is fixedly connected with the middle part of the furnace cover 11 through a connecting rod 9, a telescopic cylinder 3 is fixedly arranged at the position corresponding to the rear end of the lever 4 on the support 2, and a telescopic rod arranged on the telescopic cylinder 3 is fixedly connected with the rear end of the lever 4.
The middle part of the supporting arm is fixedly provided with a vertical guide slide rail 6, a guide rod 61 is arranged in the guide slide rail 6, the lower end of the guide rod 61 is fixedly connected with the furnace cover 11, and the upper end part of the guide rod 61 is in sliding fit with the guide slide rail 6; the guiding slide rail 6 comprises deep groove rollers respectively arranged in parallel at the upper part and the lower part of the supporting arm, and a sliding groove is formed between the deep groove rollers arranged in parallel and is clamped on the guide rod 61; the front ends of the cross arm 7 and the inclined arm 5 are fixedly connected, and the rear ends of the cross arm 7 and the inclined arm 5 are both fixed on the bracket 2; the deep groove roller arranged on the upper portion of the supporting arm is located on the cross arm, and the deep groove roller arranged on the lower portion of the supporting arm is located on the inclined arm 5. Referring to fig. 3, the connecting rod 9 includes an upper rod 91, a lower rod 93, and a nut sleeve 92, wherein the upper end of the upper rod 91 is hinged with the lever 4, the lower end of the lower rod 93 is rotatably mounted on the furnace cover 11, and two ends of the nut sleeve 92 are respectively in threaded fit with the lower end of the upper rod 91 and the upper end of the lower rod 93; the nut housing 92 is previously mounted on the upper rod 91, and the lower rod 93 is rotated to connect and disconnect the upper rod 91 with the nut housing 92.
In addition, as shown in fig. 2, the levers 4 are arranged on both sides of the cross arm 7, a rotating shaft 8 is arranged at the front end of the cross arm 7 in a penetrating manner, and the levers on both sides of the cross arm 7 are respectively rotatably arranged at the end parts of both ends of the rotating shaft 8; connecting plates 41 are fixedly connected between the front end part and the rear end part of the levers 4 on the two sides of the cross arm 7, and the telescopic rods are fixedly connected with connecting plates 9 arranged at the rear ends of the levers 4.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a pit furnace bell promotes structure, includes the furnace body and sets up the bell of furnace body upper end, its characterized in that: a support is fixedly arranged on one side of the furnace body, a supporting arm is fixedly arranged at the upper end of the support, the front end part of the supporting arm extends right above the furnace cover, a lever is arranged on the supporting arm, the front end part of the lever is rotatably arranged at the front end of the supporting arm, the front end of the lever is fixedly connected with the middle part of the furnace cover through a connecting rod, a telescopic cylinder is fixedly arranged on the support at a position corresponding to the rear end of the lever, and a telescopic rod arranged by the telescopic cylinder is fixedly connected with the rear end of the lever;
The middle part of the supporting arm is fixedly provided with a vertical guide sliding rail, a guide rod is arranged in the guide sliding rail, the lower end of the guide rod is fixedly connected with the furnace cover, and the upper end part of the guide rod is in sliding fit with the guide sliding rail;
the guide sliding rail comprises deep groove rollers which are respectively arranged in parallel at the upper part and the lower part of the supporting arm, and a sliding groove is formed between the deep groove rollers which are arranged in parallel and is clamped on the guide rod;
The support arm comprises a cross arm and an inclined arm, the front ends of the cross arm and the inclined arm are fixedly connected, and the rear ends of the cross arm and the inclined arm are both fixed on the bracket; the deep groove roller arranged at the upper part of the supporting arm is positioned on the cross arm, and the deep groove roller arranged at the lower part of the supporting arm is positioned on the oblique arm;
The connecting rod comprises an upper rod, a lower rod and a nut sleeve, the upper end of the upper rod is hinged with the lever, the lower end of the lower rod is rotatably arranged on the furnace cover, and two ends of the nut sleeve are respectively in threaded fit with the lower end of the upper rod and the upper end of the lower rod; the nut sleeve is arranged on the upper rod in advance, and the connection and the separation with the upper rod can be realized by rotating the lower rod through the nut sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377219.6A CN110108127B (en) | 2019-05-07 | 2019-05-07 | Pit furnace lid lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377219.6A CN110108127B (en) | 2019-05-07 | 2019-05-07 | Pit furnace lid lifting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110108127A CN110108127A (en) | 2019-08-09 |
| CN110108127B true CN110108127B (en) | 2024-06-18 |
Family
ID=67488664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910377219.6A Active CN110108127B (en) | 2019-05-07 | 2019-05-07 | Pit furnace lid lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110108127B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941288B (en) * | 2021-01-27 | 2022-08-09 | 丰林金属处理自动化设备大丰有限公司 | Shaft furnace lifting equipment with high safety coefficient and operation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206131721U (en) * | 2016-09-30 | 2017-04-26 | 上海埃鲁秘工业炉制造有限公司 | Preheat industrial furnace |
| CN210292835U (en) * | 2019-05-07 | 2020-04-10 | 河南天利热工装备股份有限公司 | Lifting structure for furnace cover of pit furnace |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1758464A1 (en) * | 1968-06-06 | 1971-02-25 | Qfu Ofenbau Union Gmbh | Movable soaking oven lid |
| CN202849486U (en) * | 2012-09-27 | 2013-04-03 | 铜陵钱谊化工设备有限责任公司 | Vertical pit furnace cover |
-
2019
- 2019-05-07 CN CN201910377219.6A patent/CN110108127B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206131721U (en) * | 2016-09-30 | 2017-04-26 | 上海埃鲁秘工业炉制造有限公司 | Preheat industrial furnace |
| CN210292835U (en) * | 2019-05-07 | 2020-04-10 | 河南天利热工装备股份有限公司 | Lifting structure for furnace cover of pit furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110108127A (en) | 2019-08-09 |
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