CN114671372A - Automatic lifting platform for heat preservation design of high-temperature heating furnace - Google Patents
Automatic lifting platform for heat preservation design of high-temperature heating furnace Download PDFInfo
- Publication number
- CN114671372A CN114671372A CN202210398420.4A CN202210398420A CN114671372A CN 114671372 A CN114671372 A CN 114671372A CN 202210398420 A CN202210398420 A CN 202210398420A CN 114671372 A CN114671372 A CN 114671372A
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- Prior art keywords
- supporting
- rod
- lifting
- platform
- bottom frame
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 29
- 238000004321 preservation Methods 0.000 title claims abstract description 14
- 238000013461 design Methods 0.000 title claims description 3
- 239000012494 Quartz wool Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims 4
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000009864 tensile test Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an automatic lifting platform designed for heat preservation of a high-temperature heating furnace, which comprises a supporting device, a lifting device and a power device used for outputting power, wherein the supporting device comprises a supporting platform, a supporting plate is arranged on the supporting platform, the lifting device comprises a base and a lifting component, the base comprises a bottom frame, two ends of the bottom frame are respectively connected with a bottom frame connecting rod through a fixed rod, sliding chutes are respectively arranged on the inner sides of the bottom frame and the supporting platform, sliding components are arranged in the sliding chutes, the sliding components comprise supporting rollers, the power device comprises an electric push rod controller arranged on the fixed rod, an electric telescopic push rod is arranged on the electric push rod controller, an original moving rod is arranged on the electric telescopic push rod, the supporting rollers are arranged at two ends of the original moving rod, and the lifting component comprises cross-arranged shear sheets, the heat dissipation loss of the heating furnace is reduced, and the elongation of the sample in the high-temperature tensile mechanical test is improved.
Description
Technical Field
The invention relates to the technical field of a heating furnace and mechanical transmission for high-temperature tensile mechanical property experiments, in particular to an automatic lifting table designed for heat preservation of a high-temperature heating furnace.
Background
In most high-temperature tensile property test experiments, the maintenance of constant temperature and uniform temperature in the heating furnace is crucial to the accuracy of the experiment result. Therefore, the control requirements of the high-temperature tensile mechanical property experiments on the heating furnace are very strict. However, in the actual tensile property test process, especially in the process of moving the high temperature furnace up and down, it is difficult to ensure the absolute constant temperature in the heating furnace at every moment, and it is difficult to avoid the temperature deviation, i.e. the difference between the measured temperature of each temperature measuring point and the specified test temperature; it is difficult to ensure that the temperature in each position of the heating furnace is absolutely uniform, and a certain temperature gradient is likely to exist. According to the research in the existing high-temperature tensile test device, when the high-temperature heating furnace is heated, the heating furnace continuously carries out heat convection with the air in the furnace, and the heating gas in the furnace and the gas outside the furnace generate heat conduction, so that the heat in the furnace is continuously dissipated. This results in a heating furnace requiring more energy and time to bring the temperature in the furnace to a predetermined value. And after reaching the preset temperature, under the condition, in order to enable the temperature in the furnace to reach dynamic balance, the thermocouple still needs to continuously work to heat the heating furnace under the action of the temperature control system. This reduces the service life of the heating and temperature control device to a certain extent. Even if some laboratories weaken the above, aluminum sheets are embedded under high temperature heating furnaces to support the heat-insulating quartz wool. However, this method is not only inconvenient to operate, but also increases the possibility of scalding the operator during the experiment. Therefore, the lifting platform for improving the heat preservation effect of the high-temperature heating furnace is additionally arranged on the original high-temperature tensile testing machine, so that the heat dissipation loss of the heating furnace can be reduced, the experimental data are more accurate, and the service life and the durability of the high-temperature heating furnace are improved.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides an automatic lifting table designed for heat preservation of a high-temperature heating furnace.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: an automatic lifting platform designed for heat preservation of a high-temperature heating furnace comprises a supporting device, a lifting device and a power device used for outputting power, wherein the supporting device comprises a supporting platform, a supporting plate for placing quartz wool is arranged on the supporting platform, the lifting device comprises a base and a lifting component, the base comprises a bottom frame, two ends of the bottom frame are respectively connected with a bottom frame connecting rod through a fixing rod, sliding grooves are formed in the inner sides of the bottom frame and the supporting platform, sliding components are arranged in the sliding grooves, each sliding component comprises a supporting roller, the power device comprises an electric push rod controller arranged on the fixing rod, an electric telescopic push rod is arranged on the electric push rod controller, an original moving rod is arranged on the electric telescopic push rod, the supporting rollers are arranged at two ends of the original moving rod, and the lifting component comprises cross-arranged shear slices, the shearing mechanism is characterized in that one end of the bottom of the shearing sheet is connected with the driving link, the other end of the bottom of the shearing sheet is connected with the bottom frame connecting rod, one end of the top of the shearing sheet is connected with the supporting roller, and the other end of the top of the shearing sheet is fixedly connected with the supporting platform.
Preferably, the lifting assembly further comprises a connecting rod, the shear plates are connected with each other through the connecting rod, and the connecting rod is provided with a positioning pin hole and a pin and a gasket which are matched with the positioning pin hole.
Preferably, one end of the top of the shear slice is fixedly connected with the sliding groove on the inner side of the supporting platform through a positioning cylindrical pin and a matching pin, and one end of the bottom of the shear slice is fixedly connected with the bottom frame connecting rod through the positioning cylindrical pin and the matching pin.
Preferably, two rows of long through holes are formed in the supporting platform.
Preferably, the size of the area of the support plate is determined by the maximum output power of the power device.
The invention has the beneficial effects that:
1. the invention reduces the heat dissipation loss of the heating furnace and improves the elongation of the sample in the high-temperature tensile mechanical test on the premise of not influencing the use of the experimental device of the heating furnace by the experimenter.
2. The lifting platform is stable in lifting, can realize follow-up stopping and follow-up, and is high in controllability.
3. The invention has high automation degree, greatly simplifies the experimental steps and reduces the risk of burning of an operator.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is an isometric view of an automated lift table of the present invention
Fig. 2 is a side view of the automated lifting platform of the present invention.
FIG. 3 is a bottom view of the automated stage of the present invention
The attached drawings are marked as follows:
1-supporting platform 2-supporting plate 3-supporting roller 4-fixed bar 5-electric telescopic push rod 6-original bar 7-bottom frame 8-shearing sheet 9-bottom frame connecting bar 10-connecting bar.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1-3, in a preferred embodiment of the present invention, an automatic lifting platform designed for heat preservation of a high temperature heating furnace comprises a supporting device, a lifting device and a power device for outputting power, wherein the supporting device comprises a supporting platform 1, a supporting plate 2 for placing quartz wool is arranged on the supporting platform 2, the supporting platform 1 and the supporting plate 2 are connected through screws and nuts to achieve a fastening effect, the quartz wool can play a heat preservation effect to reduce heat exchange between the heating furnace and the outside, the lifting device comprises a base and a lifting assembly, the base comprises a bottom frame 7, two ends of the bottom frame 7 are respectively connected through a fixing rod 4 and a bottom frame connecting rod 9, sliding grooves are arranged on the inner sides of the bottom frame 7 and the supporting platform 1, sliding assemblies are arranged in the sliding grooves, each sliding assembly comprises a supporting roller 3, the power device comprises an electric push rod controller arranged on the fixing rod 4, the electric push rod controller is provided with an electric telescopic push rod 5, the electric push rod controller comprises an electric reversing valve, the electric push rod controller controls the electric reversing valve to achieve the purpose of controlling the electric telescopic push rod 5 to stretch, specifically, the electric telescopic push rod 5 can select corresponding thrust according to actual conditions so as to control the rising and falling speeds of the support plate 2, the electric telescopic push rod 5 is provided with a primary rod 6, the support rollers 3 are arranged at two ends of the primary rod 6, the primary rod 6 is connected with the electric telescopic push rod 5 to achieve the effect of free horizontal movement, the primary rod 6 is connected with the support rollers 3 through assembly so as to achieve the effect of stable power transmission and support, the lifting assembly comprises shear plates 8 which are arranged in a crossed manner, one end of the bottoms of the shear plates 8 is connected with the primary rod 6, the other end of the bottom of the shear slice 6 is connected with the bottom frame connecting rod 9, one end of the top of the shear slice 8 is connected with the supporting roller 3, the other end of the top of the shear slice 8 is fixedly connected with the supporting platform 1, the supporting roller 3 has good comprehensive mechanical property, is durable, and can enable the whole device to move more stably.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
in this embodiment, the lifting unit still includes connecting rod 10, pass through between the shear blade 8 connecting rod 10 interconnect, be provided with the locating pin hole on the connecting rod 10 and with locating pin hole complex pin and packing ring for reach the effect of location, do not influence its rotation again.
In this embodiment, top one end of shear blade 8 through location cylinder pin, supporting pin with supporting platform 1 is inboard spout fixed connection, bottom one end of shear blade 8 through location cylinder pin, supporting pin with underframe connecting rod 9 fixed connection.
In this embodiment, two rows of long through holes are formed in the supporting platform 1, so that the position between the supporting plate 2 and the high-temperature furnace is easily controlled.
In this embodiment, the maximum area of the support plate 2 is determined by the maximum output power of the power device, and plays the greatest role in supporting the quartz wool.
Specifically, the original moving rod 6, the shearing sheet 8 and the connecting rod 10 are simple in structure, easy to process and easy to mount and dismount.
The working principle of the invention is as follows: and (5) finishing assembling the automatic lifting platform, and connecting an electric power supply to the electric telescopic push rod 5. The whole device is placed at one side of a working platform of the high-temperature furnace, the lower pull rod of the high-temperature furnace is required to be positioned in an opening of a supporting plate 2, and enough quartz wool is placed on the supporting plate 2, so that the device can start to work; when the high-temperature furnace starts to heat, an operator enables the electric telescopic push rod 5 to extend through the electric push rod controller, the electric telescopic push rod 5 drives the original moving rod 6 to move together, the original moving rod 6 simultaneously drives the supporting roller 3 to slide stably, at the moment, the shearing sheet 8 connected with the original moving rod 6 obtains power from the original moving rod 6 and rises gradually, and the rest shearing sheets 8 correspondingly receive lifting force and rise continuously, so that the supporting platform 1 rises gradually under the combined action of the supporting roller 3 and the shearing sheet 8 matched with the supporting platform 1 and the cylindrical pin, and the supporting plate 2 fixed on the supporting platform 1 and the quartz wool on the supporting plate 2 rise together; when the quartz wool contacts with the lower end of the high-temperature furnace, an operator controls the electric push rod controller to enable the electric telescopic push rod 5 to stop extending, the quartz wool can be stably kept at the lower end of the high-temperature furnace at the moment, a good heat preservation effect is achieved, when a high-temperature superplasticity experiment is carried out, namely, in the later stage of metal stretching with extremely long elongation rate, the operator needs to enable the high-temperature furnace to rise, in order to achieve the heat preservation effect, when the operator slowly raises the furnace, the other operator controls the electric push rod controller to enable the electric telescopic push rod 5 to extend until the high-temperature furnace is raised to the position required by the experiment, and then the operation is stopped, so that the quartz wool can be stably kept at the lower end of the high-temperature furnace in the process, the heat preservation performance of the high-temperature furnace is enhanced, and the metal elongation rate is improved. When the high-temperature tensile test is finished, a sample suspended on a lower pull rod in a high-temperature tensile furnace needs to be taken out, namely heat preservation is not needed, at the moment, an operator controls an electric push rod controller to enable an electric telescopic push rod 5 to contract, the electric telescopic push rod 5 drives an original pull rod 6 to move together, the original pull rod 6 simultaneously drives a supporting roller 3 to stably slide, at the moment, a shearing sheet 8 assembled with the original pull rod 6 obtains a pulling force from the original pull rod 6 and gradually descends, the rest shearing sheets 8 correspondingly receive the pulling force and continuously descend, meanwhile, the supporting platform 1 gradually descends under the combined action of the supporting roller 3 and the shearing sheets 8 matched with the supporting platform 1 and the cylindrical pin, and a supporting plate 2 fixed on the supporting platform 1 and quartz wool on the supporting plate 2 descend together; when the supporting plate 2 descends to a low enough level, the descending is stopped, and the subsequent test sampling operation can be carried out.
On the premise of not influencing the use of the experimental device of the heating furnace by the experimenter, the invention reduces the heat dissipation loss of the heating furnace and improves the elongation of the sample in the high-temperature tensile mechanical test; the lifting platform is stable in lifting, can realize follow-up following when stopped and is high in controllability; the invention has high automation degree, greatly simplifies the experimental steps and reduces the risk of burning of an operator.
The above additional technical features can be freely combined and used in addition by those skilled in the art without conflict.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.
Claims (5)
1. The utility model provides an automatic elevating platform for high temperature heating furnace heat preservation design which characterized in that: comprises a supporting device, a lifting device and a power device for outputting power, wherein the supporting device comprises a supporting platform (1), a supporting plate (2) for placing quartz wool is arranged on the supporting platform (1), the lifting device comprises a base and a lifting component, the base comprises a bottom frame (7), two ends of the bottom frame (7) are respectively connected with a bottom frame connecting rod (9) through a fixing rod (4), sliding grooves are respectively arranged on the inner sides of the bottom frame (7) and the supporting platform (1), sliding components are arranged in the sliding grooves, each sliding component comprises a supporting roller (3), the power device comprises an electric push rod controller arranged on the fixing rod (4), an electric telescopic push rod (5) is arranged on the electric push rod controller, an original moving rod (6) is arranged on the electric telescopic push rod (5), the supporting rollers (3) are arranged at two ends of the original moving rod (6), lifting unit includes cross arrangement's shear blade (8), shear blade (8) bottom one end with former pole (6) are connected, shear blade (8) bottom other end with underframe connecting rod (9) are connected, shear blade (8) top one end with supporting roller (3) are connected, shear blade (8) top other end with supporting platform (1) fixed connection.
2. The automated lifting platform designed for high temperature furnace insulation of claim 1, wherein: the lifting assembly further comprises a connecting rod (10), the shear sheets (8) are connected with one another through the connecting rod (10), and a positioning pin hole and a pin and a gasket matched with the positioning pin hole are formed in the connecting rod (10).
3. The automated lifting platform designed for high temperature furnace insulation of claim 1, wherein: one end of the top of the shear slice (8) is fixedly connected with the inner side of the supporting platform (1) through a positioning cylindrical pin and a matching pin, and one end of the bottom of the shear slice (8) is fixedly connected with the bottom frame connecting rod (9) through the positioning cylindrical pin and the matching pin.
4. The automated lifting platform designed for high temperature furnace insulation of claim 1, wherein: two rows of long through holes are arranged on the supporting platform (1).
5. The automated lifting platform designed for high temperature furnace insulation of claim 1, wherein: the area of the supporting plate (2) is determined by the maximum output power of the power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210398420.4A CN114671372A (en) | 2022-04-15 | 2022-04-15 | Automatic lifting platform for heat preservation design of high-temperature heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210398420.4A CN114671372A (en) | 2022-04-15 | 2022-04-15 | Automatic lifting platform for heat preservation design of high-temperature heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114671372A true CN114671372A (en) | 2022-06-28 |
Family
ID=82078850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210398420.4A Pending CN114671372A (en) | 2022-04-15 | 2022-04-15 | Automatic lifting platform for heat preservation design of high-temperature heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114671372A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201254594Y (en) * | 2008-09-13 | 2009-06-10 | 山西太钢不锈钢股份有限公司 | Heating stove up-down support frame |
| CN104627899A (en) * | 2015-02-04 | 2015-05-20 | 黄骅 | Shear type lifting platform |
| CN107054500A (en) * | 2017-06-06 | 2017-08-18 | 山东农业大学 | A kind of greenhouse vegetable, which is in the ranks plucked, follows transport vehicle |
| CN206720647U (en) * | 2017-03-02 | 2017-12-08 | 四川九洲空管科技有限责任公司 | A kind of lifting platform |
| CN108975236A (en) * | 2018-07-31 | 2018-12-11 | 常州信息职业技术学院 | A kind of automation lifting device based on hydraulic control |
| CN210029953U (en) * | 2019-05-28 | 2020-02-07 | 重庆诺登液压机械制造有限公司 | Double-acting power unit for scissor fork platform |
| CN211067563U (en) * | 2019-11-01 | 2020-07-24 | 宁波爱特优智能科技有限公司 | Multifunctional electric lifting medical bed |
| US20200290852A1 (en) * | 2019-03-15 | 2020-09-17 | Oshkosh Corporation | Tension driven scissor lift |
| CN214514478U (en) * | 2021-01-07 | 2021-10-29 | 刘敏 | Chemical experiment reaction device |
| CN215886265U (en) * | 2021-10-12 | 2022-02-22 | 刘强 | Special lifting device for electromechanical installation with high stability |
| CN216142367U (en) * | 2021-08-24 | 2022-03-29 | 付孬旦 | Moving platform for steel structure construction |
-
2022
- 2022-04-15 CN CN202210398420.4A patent/CN114671372A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201254594Y (en) * | 2008-09-13 | 2009-06-10 | 山西太钢不锈钢股份有限公司 | Heating stove up-down support frame |
| CN104627899A (en) * | 2015-02-04 | 2015-05-20 | 黄骅 | Shear type lifting platform |
| CN206720647U (en) * | 2017-03-02 | 2017-12-08 | 四川九洲空管科技有限责任公司 | A kind of lifting platform |
| CN107054500A (en) * | 2017-06-06 | 2017-08-18 | 山东农业大学 | A kind of greenhouse vegetable, which is in the ranks plucked, follows transport vehicle |
| CN108975236A (en) * | 2018-07-31 | 2018-12-11 | 常州信息职业技术学院 | A kind of automation lifting device based on hydraulic control |
| US20200290852A1 (en) * | 2019-03-15 | 2020-09-17 | Oshkosh Corporation | Tension driven scissor lift |
| CN210029953U (en) * | 2019-05-28 | 2020-02-07 | 重庆诺登液压机械制造有限公司 | Double-acting power unit for scissor fork platform |
| CN211067563U (en) * | 2019-11-01 | 2020-07-24 | 宁波爱特优智能科技有限公司 | Multifunctional electric lifting medical bed |
| CN214514478U (en) * | 2021-01-07 | 2021-10-29 | 刘敏 | Chemical experiment reaction device |
| CN216142367U (en) * | 2021-08-24 | 2022-03-29 | 付孬旦 | Moving platform for steel structure construction |
| CN215886265U (en) * | 2021-10-12 | 2022-02-22 | 刘强 | Special lifting device for electromechanical installation with high stability |
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Application publication date: 20220628 |
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