CN111943068A - Hoisting device - Google Patents
Hoisting device Download PDFInfo
- Publication number
- CN111943068A CN111943068A CN202010728608.1A CN202010728608A CN111943068A CN 111943068 A CN111943068 A CN 111943068A CN 202010728608 A CN202010728608 A CN 202010728608A CN 111943068 A CN111943068 A CN 111943068A
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- CN
- China
- Prior art keywords
- heater
- crane
- temperature
- hoisting device
- hoisting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/48—Control devices automatic
- B66D1/485—Control devices automatic electrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0463—Grease lubrication; Drop-feed lubrication
- F16H57/0464—Grease lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention provides a lifting device, comprising: a crane (10) and an incubator (20); the crane (10) is arranged in the heat insulation box (20), and two openable heat insulation plates are arranged at the bottom of the heat insulation box (20) and used for lifting and descending a lifting hook when the crane (10) works; a heater (8), a temperature sensor and a controller are further arranged in the heat preservation box (20), and the controller is respectively connected with the temperature sensor and the heater (8); the controller is used for controlling the heater (8) to heat when the crane (10) does not work and the temperature sensor detects that the ambient temperature is lower than minus 20 ℃.
Description
Technical Field
The invention relates to the technical field of mechanical structures, in particular to a lifting device.
Background
The environmental temperature range of the climate environment laboratory is-55 ℃ to +74 ℃, and the humidity range is 5% RH to 95% RH. The climate environment laboratory has the capability of simulating typical climate environments such as solar radiation, rain/freezing rain, fog drop, icing and the like.
The existing hoisting device is difficult to adapt to the low-temperature climate environment of a laboratory.
Disclosure of Invention
The embodiment of the invention provides a lifting device which can resist the temperature and the humidity of the environment of a laboratory.
An embodiment of the present invention provides a hoisting apparatus, including: a crane 10 and an incubator 20; wherein the content of the first and second substances,
the crane 10 is arranged in the heat insulation box 20, and two openable heat insulation plates are arranged at the bottom of the heat insulation box 20 and used for lifting and descending of a lifting hook when the crane 10 works;
the heat preservation box 20 is also internally provided with a heater 8, a temperature sensor and a controller, and the controller is respectively connected with the temperature sensor and the heater 8;
the controller is used for controlling the heater 8 to heat when the crane 10 does not work and the temperature sensor detects that the ambient temperature is lower than minus 20 ℃.
Optionally, an electric cabinet and an electric push rod are further arranged in the heat insulation box 20, and the electric push rod is connected with the heat insulation plate;
the electric cabinet is connected with the electric push rod and used for operating the electric push rod to open or close the heat insulation plate.
Alternatively, the heater 8 is provided at the bottom of the heat-insulating case 20.
Optionally, the heater 8 is disposed in the electric cabinet.
Optionally, the heater 8 is an automatic temperature control heater, and the heater 8 is configured to keep the temperature in the incubator 20 above a preset temperature.
Optionally, the heat insulation box 20 is made of a polyurethane material, and the thickness is 100 mm.
Optionally, the crane 10 comprises: a hoisting mechanism and an operating mechanism; the hoisting mechanism is responsible for carrying heavy objects to ascend and descend, and the running mechanism is responsible for realizing the running of the hoisting mechanism;
the hoisting mechanism comprises a first motor, a first brake, a first speed reducer, a winding drum and a steel wire rope; the running gear includes: the second motor, the second brake and the second speed reducer;
the protection grade of the first motor and the second motor is IP55, the insulation grade is F, and the power connection duration can reach 60%;
the gear machining precision of the first speed reducer and the second speed reducer is not lower than 6 grades, the hardness is not lower than HRC60, the lubrication is carried out in an oil bath mode, the lubrication adopts temperature-resistant synthetic lubricating oil, and the working temperature range is-20 degrees to +45 degrees;
the first brake and the second brake adopt 2 normally closed block brakes without asbestos components;
the material of the winding drum is low-alloy high-strength steel, the steel wire rope is a high-strength galvanized steel wire rope, and the breaking tension is 2160MPa/mm2。
Optionally, the crane 10 uses a silicone rubber cable resistant to high and low temperatures.
According to the hoisting device provided by the embodiment of the invention, the crane 10 is arranged in the heat insulation box 20, and two openable heat insulation plates are arranged at the bottom of the heat insulation box 20 and used for hoisting and descending a lifting hook when the crane 10 works; the heat preservation box 20 is also internally provided with a heater 8, a temperature sensor and a controller, and the controller is respectively connected with the temperature sensor and the heater 8; the controller is used for controlling the heater 8 to heat when the crane 10 does not work and the temperature sensor detects that the ambient temperature is lower than minus 20 ℃. The lifting device can resist the environmental temperature and humidity of a laboratory, and has the characteristics of high reliability, safety, maintainability, environmental adaptability and the like.
Drawings
Fig. 1 is a schematic structural diagram of a hoisting apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a hoisting device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram three of the hoisting apparatus provided in an embodiment of the present invention;
description of reference numerals:
10, a crane; 20, an insulation can; 8-a heater.
Detailed Description
Fig. 1 is a first structural schematic diagram of a hoisting device provided in an embodiment of the present invention, fig. 2 is a second structural schematic diagram of the hoisting device provided in the embodiment of the present invention, and fig. 3 is a third structural schematic diagram of the hoisting device provided in the embodiment of the present invention. As shown in fig. 1 to 3, the present invention provides a lifting device capable of withstanding the temperature and humidity of the laboratory environment, which has the characteristics of high reliability, safety, maintainability, environmental adaptability, etc. The hoisting device provided by the invention comprises two modules, namely a crane 10 and an incubator 20.
The hoisting mechanism, the running mechanism, the electric cabinet and the heater 8 in the hoisting device are arranged in the heat preservation box 20. When the crane is not in use, the crane is parked at a specified position, and the heat preservation box 20 is closed by the electric push rod. When the crane is not in use, the heater 8 works to keep the temperature in the heat insulation box 20 above minus 20 ℃ when the temperature sensor detects that the ambient temperature is lower than minus 20 ℃. When the crane is used, the opening and closing door of the heat preservation box 20 is opened, and the lifting hook can be lifted and descended. The electric push rod is connected with the heat preservation box 20 by a movable connecting device.
Under the rainy environment condition, the opening and closing door (the bottom plate of the heat insulation box 20) of the hoisting device is closed, so that moisture can be prevented from entering the equipment, and the equipment is in a closed state when not used.
The electric cabinet controls the motion of the electric push rod. The temperature sensor is inside the thermal insulation case 20.
The hoisting device adopts a mode of monitoring by a temperature sensor and automatically starting heating, and the mode can ensure that a hoisting mechanism which is a main component of the crane is always in an environmental condition of-20 ℃ to +40 ℃ and meets the requirement of high reliability.
The hoisting device mainly comprises two parts:
1) the crane 10-the structure is mainly responsible for lifting, walking and bearing.
2) An insulation can 20, which mainly ensures that the ambient temperature around the crane is maintained between-20 ℃ and +40 ℃;
the crane mainly comprises a hoisting mechanism, an operating mechanism, an electric cabinet and other components. The hoisting mechanism is used for driving the crane to lift and descend the heavy object, and the running mechanism is used for realizing the running of the crane. The electric cabinet is responsible for the circuit control of the crane, and all three main devices are positioned in the heat insulation box 20. The hook of the hoisting mechanism of the crane carries a weight.
The hoisting mechanism mainly comprises a motor, a brake, a speed reducer, a winding drum and a steel wire rope. The running mechanism mainly comprises a motor, a brake and a speed reducer.
The protection grade of the motor is IP55, the insulation grade is F, the power connection duration can reach 60%, and the motor is suitable for high-strength heavy-load working environments. Protection grade: it is possible to prevent the wire or strip of a value of diameter or thickness from touching or approaching the live or rotating parts in the housing.
The gear machining precision of the speed reducer reaches 6 grades and above, the hardness reaches HRC60, long-acting lubrication is realized in an oil bath mode, and higher wear resistance and quieter operation are ensured. Reducer lubricating oil: adopts temperature-resistant synthetic lubricating oil, and the working temperature range is-20 to +45 DEG C
The brake adopts 2 normal close formula block type (disc) brakes, and factor of safety is big, and no asbestos component, the dependable performance, the rate of closing a floodgate is high, automatic braking during the power failure, safety and do not have the vibration during the braking, and wearing and tearing are little, wearing and tearing clearance automatically regulated.
The reel is made of low-alloy high-strength steel, is formed by processing a high-quality seamless steel pipe or a steel plate after being rolled up, well ensures the coaxiality of the reel, and has high strength.
The steel wire rope adopts an imported high-strength galvanized steel wire rope, the breaking tension is 2160MPa/mm2, the safety is good, and the service life is long.
The electric cabinet of the double-hook hoisting mechanism: the electric cabinet is placed in the heat insulation box 20 and is provided with a heater, so that the temperature in the electric cabinet is not lower than-20 ℃; the lifting mechanism can ascend and descend, and the trolley can run left and right.
For example, the hoisting mechanism can also be a single hook, and the single hook and the double hook can be selected according to the needs of users.
The whole double-hook crane mechanism is surrounded by an insulation can 20 made of insulation material; the incubator 20 is made of polyurethane material, and the thickness is 100 mm; the lower part (bottom surface) of the heat preservation box 20 can be controlled to be opened and closed by an electric push rod, and the working temperature range of the electric push rod is-20 ℃ to +74 ℃; before a low-temperature experiment is carried out, the double-hook hoisting mechanism is required to be operated to a specified position, the hoisting hook is lifted to the highest point, and the hoisting hook is retracted into the heat insulation box 20 of the hoisting mechanism; and is operated by a remote controller to close the bottom insulation board of the insulation can 20. At this time, the crane is in a non-working state, and when the ambient temperature is lower than the designated temperature, the heater of the heat-insulating box 20 automatically starts the heating function, so that the temperature in the heat-insulating box 20 of the crane is not lower than the designated temperature. Increase automatic temperature control heater in the electric cabinet, realize the inside even heating of cabinet, the built-in temperature controller of heater detects indoor temperature and heats by oneself, has ensured the interior constancy of temperature of electric cabinet, prevents to form the condensation in the cabinet. The heater is installed at the position of the heat preservation box 20 close to the bottom, and hot air generated by the heater is ensured to heat the heat preservation box 20 from the bottom to the upper part. Description of the drawings: the heater is only provided with a temperature control device, the power of the heater is calculated to be 200w through system heat dissipation, and the power of the heater is calculated according to the temperature difference and the heat conductivity coefficient of the material.
The lifting device can be operated in the whole laboratory.
Compared with the traditional crane technology, the invention has the following advantages:
the tolerant environmental temperature is-55 to +72 ℃, and the maximum humidity range is 95 percent RH;
the compact design is adopted, so that the utilization rate of space is improved;
the modular design is adopted, so that the reliability of the mechanism is enhanced, and the maintenance time and the maintenance cost are reduced;
the crane adopts the high and low temperature resistant silicon rubber cable, thereby avoiding the aging of the cable caused by high and low temperature impact.
The crane will select the mode of operation according to the temperature and pressure ranges in the ambient room. When the ambient temperature in the laboratory is higher than-20 ℃, the heater in the heat insulation box 20 is not started. The lower door panel of the incubator 20 is opened by operating the electric push rod button of the incubator 20 of the lifting device. And operating the remote controller, sending a hook descending button, starting the descending of the hook, sending a stop signal after reaching the specified position, and installing the test module. The remote controller is operated to generate a lifting signal, and the crane hook suspension test module sends a stop signal after reaching a designated position. After the test module is installed, the hook retracts the incubator 20, and the lower door panel of the crane incubator 20 is closed.
When the temperature of the laboratory is lower than minus 20 ℃, the sensor in the heat insulation box 20 monitors that the temperature in the laboratory is lower than minus 20 ℃, and the heater in the heat insulation box 20 starts a heating mode, so that the crane can normally run.
Claims (8)
1. A hoisting device, comprising: a crane (10) and an incubator (20); wherein the content of the first and second substances,
the crane (10) is arranged in the heat insulation box (20), and two openable heat insulation plates are arranged at the bottom of the heat insulation box (20) and used for lifting and descending of a lifting hook when the crane (10) works;
a heater (8), a temperature sensor and a controller are further arranged in the heat preservation box (20), and the controller is respectively connected with the temperature sensor and the heater (8);
the controller is used for controlling the heater (8) to heat when the crane (10) does not work and the temperature sensor detects that the ambient temperature is lower than minus 20 ℃.
2. The hoisting device according to claim 1, wherein an electric cabinet and an electric push rod are further arranged in the heat preservation box (20), and the electric push rod is connected with the heat preservation plate;
the electric control box is connected with the electric push rod and used for operating the electric push rod to open or close the heat insulation plate.
3. Hoisting device according to claim 1, characterized in that the heater (8) is arranged at the bottom of the incubator (20).
4. Hoisting device according to claim 1, characterized in that the heater (8) is arranged inside the electric cabinet.
5. The hoisting device according to claim 3, wherein said heater (8) is an automatic temperature-controlled heater, said heater (8) being adapted to maintain the temperature in said incubator (20) above a predetermined temperature.
6. Hoisting device according to claim 1, characterized in that said incubator (20) is made of polyurethane material and has a thickness of 100 mm.
7. Hoisting device as claimed in claim 1, characterized in that said crane (10) comprises: a hoisting mechanism and an operating mechanism; the hoisting mechanism is responsible for carrying heavy objects to ascend and descend, and the running mechanism is responsible for realizing the running of the hoisting mechanism;
the hoisting mechanism comprises a first motor, a first brake, a first speed reducer, a winding drum and a steel wire rope; the running gear includes: the second motor, the second brake and the second speed reducer;
the protection grade of the first motor and the second motor is IP55, the insulation grade is F, and the power connection duration can reach 60%;
the machining precision of the gears of the first speed reducer and the second speed reducer is not lower than 6 grades, the hardness is not lower than HRC60, the lubricating is carried out in an oil bath mode, temperature-resistant synthetic lubricating oil is adopted for lubricating, and the working temperature range is-20 degrees to +45 degrees;
the first brake and the second brake adopt 2 normally closed block brakes without asbestos components;
the reel is made of low-alloy high-strength steel, the steel wire rope is a high-strength galvanized steel wire rope, and the breaking tension is 2160MPa/mm2。
8. Hoisting device as claimed in claim 1, characterized in that the crane (10) is made of a silicone rubber cable resistant to high and low temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728608.1A CN111943068A (en) | 2020-07-24 | 2020-07-24 | Hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728608.1A CN111943068A (en) | 2020-07-24 | 2020-07-24 | Hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111943068A true CN111943068A (en) | 2020-11-17 |
Family
ID=73339595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010728608.1A Pending CN111943068A (en) | 2020-07-24 | 2020-07-24 | Hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111943068A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359618A (en) * | 2012-04-01 | 2013-10-23 | 江苏华澄重工有限公司 | Infrared detection temperature control device of gantry crane |
| CN204125042U (en) * | 2014-09-28 | 2015-01-28 | 河南重工起重机集团有限公司 | A kind of hoisting crane Special polar low temperature checking system |
| CN204751990U (en) * | 2015-06-26 | 2015-11-11 | 四川合能起重设备有限公司 | Crane |
| CN205101321U (en) * | 2015-10-28 | 2016-03-23 | 德瑞斯博海机械设备（大连）有限公司 | Heating suitable for low temperature environment hoist |
| US20170280508A1 (en) * | 2016-03-25 | 2017-09-28 | Arcadyan Technology Corporation | Temperature controller, electronic device having the same and control method thereof |
| CN108083091A (en) * | 2017-10-20 | 2018-05-29 | 武汉船用机械有限责任公司 | A kind of crane heat-insulation system |
| CN208071129U (en) * | 2018-04-08 | 2018-11-09 | 法兰泰克重工股份有限公司 | A kind of hoisting trolley being adapted to low-temperature working |
-
2020
- 2020-07-24 CN CN202010728608.1A patent/CN111943068A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359618A (en) * | 2012-04-01 | 2013-10-23 | 江苏华澄重工有限公司 | Infrared detection temperature control device of gantry crane |
| CN204125042U (en) * | 2014-09-28 | 2015-01-28 | 河南重工起重机集团有限公司 | A kind of hoisting crane Special polar low temperature checking system |
| CN204751990U (en) * | 2015-06-26 | 2015-11-11 | 四川合能起重设备有限公司 | Crane |
| CN205101321U (en) * | 2015-10-28 | 2016-03-23 | 德瑞斯博海机械设备（大连）有限公司 | Heating suitable for low temperature environment hoist |
| US20170280508A1 (en) * | 2016-03-25 | 2017-09-28 | Arcadyan Technology Corporation | Temperature controller, electronic device having the same and control method thereof |
| CN108083091A (en) * | 2017-10-20 | 2018-05-29 | 武汉船用机械有限责任公司 | A kind of crane heat-insulation system |
| CN208071129U (en) * | 2018-04-08 | 2018-11-09 | 法兰泰克重工股份有限公司 | A kind of hoisting trolley being adapted to low-temperature working |
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Application publication date: 20201117 |