CN210292835U - Lifting structure for furnace cover of pit furnace - Google Patents
Lifting structure for furnace cover of pit furnace Download PDFInfo
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- CN210292835U CN210292835U CN201920644513.4U CN201920644513U CN210292835U CN 210292835 U CN210292835 U CN 210292835U CN 201920644513 U CN201920644513 U CN 201920644513U CN 210292835 U CN210292835 U CN 210292835U
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- furnace
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- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 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
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Abstract
The utility model provides a pit furnace bell hoisting structure, including furnace body and the bell that sets up in the furnace body upper end, one side at the 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 and installs the front end at the support arm, the front end of lever passes through the connecting rod and the middle part fixed connection of bell, the position that corresponds the lever rear end on the support has set firmly the telescoping cylinder, the telescopic link that the telescoping cylinder set up is fixed connection with the rear end of lever; a lever is arranged above the furnace cover, the front end of the lever is connected with the furnace cover, a power executing mechanism is arranged at the rear end of the lever, the lifting and falling are realized through the lever principle, the driving force is small, the number of the whole structural components is small, the maintenance is convenient, and the whole structural components are 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 without the assistance of an operator, and the furnace cover can be covered on the furnace body.
Description
Technical Field
The utility model relates to a pit furnace technical field, concretely relates to pit furnace bell hoisting 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 basic industrial fields such as automobile part manufacturing, mold manufacturing and the like. With the continuous development of social economy in China, the requirements of domestic and foreign markets 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 higher and higher. Therefore, the current domestic common steam oxidation pit furnace cannot meet the requirements of society and development.
The upper end of the pit furnace is provided with a furnace cover, and the prior chain lifting is mostly adopted, wherein the lifting mode generally comprises two chains, a plurality of rollers and accessory parts, and additionally comprises a lifting machine, and the lifting mode is not thick; however, maintenance of parts is troublesome, and the number of times of wear replacement is large; lubricating oil is often dropped to generate stains on the lubrication of the chain, in addition, the lifting machine is generally electrically driven and generally lifted by equal weight, the lifting machine is easily damaged by heating after being used for a long time, and the maintenance and replacement cost is higher.
Disclosure of Invention
To the problems existing in the prior art, the utility model provides a pit furnace bell hoisting 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: the furnace body is characterized in that a support is fixedly arranged on one side of the furnace body, a support arm is fixedly arranged at the upper end of the support arm, the front end of the support arm extends right above the furnace cover, a lever is arranged on the support arm, the front end 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 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, and a telescopic rod arranged on the telescopic cylinder is fixedly connected with the rear end of the lever.
Further comprises the following steps: the furnace cover is characterized in that a vertical guide sliding rail is fixedly arranged in the middle of the supporting arm, 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.
Further comprises the following steps: the guide slide rail comprises deep groove rollers which are respectively arranged on the upper part and the lower part of the support arm in parallel, and a sliding groove is formed between the deep groove rollers arranged in parallel and is clamped on the guide rod.
Further comprises the following steps: the supporting 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 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 inclined arm.
Further comprises the following steps: the levers are arranged on two sides of the cross arm, a rotating shaft penetrates through the front end of the cross arm, and the levers on two sides of the cross arm are rotatably arranged at the end parts of two ends of the rotating shaft respectively; and connecting plates are fixedly connected between the front end part and the rear end part of the levers on two sides of the cross arm, and the telescopic rod is fixedly connected with the connecting plate arranged at the rear end of the lever.
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 installed 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 lower rod can be connected with and separated from the upper rod through the nut sleeve by rotating the lower rod.
The utility model has the advantages that: a lever is arranged above the furnace cover, the front end of the lever is connected with the furnace cover, a power executing mechanism is arranged at the rear end of the lever, the lifting and falling are realized through the lever principle, the driving force is small, the number of the whole structural components is small, the maintenance is convenient, and the whole structural components are 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 without the assistance of an operator, and the furnace cover can be covered on the furnace body.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a support arm and a lever according to the present invention;
fig. 3 is an enlarged schematic view of a region a in fig. 1.
In the figure, 1, a furnace body; 11. a furnace cover; 2. a support; 21. a fixed seat; 3. a telescopic cylinder; 4. a lever; 41. a connecting plate; 5. a tilting arm; 6. a guide slide rail; 61. a guide bar; 7. a cross arm; 8. a rotating shaft; 9. a connecting rod; 91. a rod is arranged; 92. a nut sleeve; 93. and (5) lowering the rod.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. It should be noted that the terms of orientation such as left, middle, right, up and down in the examples of the present invention are only relative to each other or are referred to the normal use status of the product, and should not be considered as limiting.
As shown in fig. 1, a shaft 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 of the support arm extends right above the furnace cover 11, a lever 4 is arranged on the support arm, the front end 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 on the support 2 corresponding to the rear end of the lever 4, and a telescopic rod arranged on the telescopic cylinder 3 is fixedly connected with the rear end of the lever 4.
A vertical guide slide rail 6 is fixedly arranged in the middle of the support arm, 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 guide slide rail 6 comprises deep groove rollers which are respectively arranged in parallel at the upper part and the lower part of the support arm, a sliding groove is formed between the deep groove rollers which are 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 fixed on the bracket 2; 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 inclined arm 5. As shown in fig. 3, the connecting rod 9 includes an upper rod 91, a lower rod 93 and a nut sleeve 92, the upper end of the upper rod 91 is hinged to the lever 4, the lower end of the lower rod 93 is rotatably mounted on the furnace cover 11, and both ends of the nut sleeve 92 are respectively in threaded engagement with the lower end of the upper rod 91 and the upper end of the lower rod 93; the nut case 92 is mounted on the upper rod 91 in advance, and the lower rod 93 is rotated to be connected to and disconnected from the upper rod 91 through the nut case 92.
As shown in fig. 2, the levers 4 are provided on both sides of the cross arm 7, a rotating shaft 8 is inserted into the front end of the cross arm 7, and the levers on both sides of the cross arm 7 are rotatably mounted on both end portions of the rotating shaft 8; connecting plates 41 are fixedly connected between the front end part and the rear end part of the lever 4 on two sides of the cross arm 7, and the telescopic rod is fixedly connected with a connecting plate 9 arranged at the rear end of the lever 4.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
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: the furnace body is characterized in that a support is fixedly arranged on one side of the furnace body, a support arm is fixedly arranged at the upper end of the support arm, the front end of the support arm extends right above the furnace cover, a lever is arranged on the support arm, the front end 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 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, and a telescopic rod arranged on the telescopic cylinder is fixedly connected with the rear end of the lever.
2. The pit furnace cover lifting structure according to claim 1, wherein: the furnace cover is characterized in that a vertical guide sliding rail is fixedly arranged in the middle of the supporting arm, 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.
3. The pit furnace cover lifting structure according to claim 2, wherein: the guide slide rail comprises deep groove rollers which are respectively arranged on the upper part and the lower part of the support arm in parallel, and a sliding groove is formed between the deep groove rollers arranged in parallel and is clamped on the guide rod.
4. The pit furnace cover lifting structure according to claim 3, wherein: the supporting 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 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 inclined arm.
5. The pit furnace cover lifting structure according to claim 4, wherein: the levers are arranged on two sides of the cross arm, a rotating shaft penetrates through the front end of the cross arm, and the levers on two sides of the cross arm are rotatably arranged at the end parts of two ends of the rotating shaft respectively; and connecting plates are fixedly connected between the front end part and the rear end part of the levers on two sides of the cross arm, and the telescopic rod is fixedly connected with the connecting plate arranged at the rear end of the lever.
6. The pit furnace cover lifting structure according to claim 5, wherein: 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 installed 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 lower rod can be connected with and separated from the upper rod through the nut sleeve by rotating the lower rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644513.4U CN210292835U (en) | 2019-05-07 | 2019-05-07 | Lifting structure for furnace cover of pit furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644513.4U CN210292835U (en) | 2019-05-07 | 2019-05-07 | Lifting structure for furnace cover of pit furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210292835U true CN210292835U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920644513.4U Active CN210292835U (en) | 2019-05-07 | 2019-05-07 | Lifting structure for furnace cover of pit furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210292835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108127A (en) * | 2019-05-07 | 2019-08-09 | 河南天利热工装备股份有限公司 | A kind of pit type furnace covers lift structure |
-
2019
- 2019-05-07 CN CN201920644513.4U patent/CN210292835U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108127A (en) * | 2019-05-07 | 2019-08-09 | 河南天利热工装备股份有限公司 | A kind of pit type furnace covers lift structure |
| CN110108127B (en) * | 2019-05-07 | 2024-06-18 | 河南天利热工装备股份有限公司 | Pit furnace lid lifting structure |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A lifting structure for the cover of a well type furnace Effective date of registration: 20231214 Granted publication date: 20200410 Pledgee: Limited by Share Ltd. Xinxiang branch Pledgor: HENAN TIANLI THERMAL EQUIPMENT Co.,Ltd. Registration number: Y2023980071194 |