CN201623873U - Electrical heating rope for machine maintenance - Google Patents
Electrical heating rope for machine maintenance Download PDFInfo
- Publication number
- CN201623873U CN201623873U CN201020132546XU CN201020132546U CN201623873U CN 201623873 U CN201623873 U CN 201623873U CN 201020132546X U CN201020132546X U CN 201020132546XU CN 201020132546 U CN201020132546 U CN 201020132546U CN 201623873 U CN201623873 U CN 201623873U
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- CN
- China
- Prior art keywords
- electrical heating
- machine maintenance
- insulation layer
- heating wire
- utility
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an electrical heating apparatus, in particular to an electrical heating rope for machine maintenance, which solves the problem that in the prior art, metal workpieces in interference fit are difficult to disassemble. The electrical heating rope used for machine maintenance comprises electrical heating wires, and is characterized in that the plurality of electrical heating wires are twisted into a bundle which is coated with an inner insulation layer, both ends of the electrical heating wire are connected with the same side of the same connecting board and are integrally coated with an outer insulation layer, and the connecting board is connected with a conductor. The conductor is provided with a fuse and a duplex knife switch. The outer insulation layer of the joint part of the electrical heating wires is sewed with asbestosyarn. The utility model has the advantages of simple structure, low manufacturing cost, convenient use, energy saving and wide adaptation, and can realize civilized production.
Description
Technical field
The utility model relates to a kind of electric heating appliance, specifically is a kind of machine maintenance electric heating rope.
Background technology
The interference fit metal works of extensive use in the machinery industry, as bearing, shaft coupling, rim etc., in the daily mechanical assembling repair process, regular meeting runs into because of counterpart and tightlier is difficult to the problem dismantled.In dismounting, generally adopt baking, boil methods such as heating, mechanical presses, there are various drawbacks in these methods.Adopt baking, bad as temperature control, might cause workpiece deformation or annealing or damage nearby device; Reduction of service life; Adopt mechanical presses, relatively take a lot of work, and can defective work piece when serious.
Summary of the invention
The utility model provides a kind of machine maintenance electric heating rope in order to solve the problem of interference fit metal works dismounting difficulty in the prior art.
The utility model is to adopt following technical scheme to realize that machine maintenance electric heating rope comprises heating wire, it is characterized in that some heating wire twist bunchys, its outer inner insulating layer that is surrounded by, the two ends of heating wire links to each other with homonymy with a plate and integral body is surrounded by external insulation layer, and connecting plate links to each other with lead.Fuse and duplex disconnecting link switch are set on the lead.Be sewed with asbestos yarn on the external insulation layer of heating wire connecting part.
Compared with prior art, the utility model is simple in structure, and low cost of manufacture is easy to use, and energy savings adapts to widely, can realize carrying out production strictly in line with rules and regulations.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A profile of Fig. 1.
Among the figure: 1-external insulation layer, 2-heating wire, 3-inner insulating layer, 4-terminal block, 5-lead, 6-fuse, 7-duplex disconnecting link switch, 8-diplopore socket, 9-asbestos yarn.
Embodiment
In conjunction with the accompanying drawings execution mode of the present utility model is described further, present embodiment is to be used for illustrating of the present utility model, rather than the utility model is done any restriction.
Machine maintenance electric heating rope, comprise heating wire, it is characterized in that some heating wire 2 (generally including six single heating wire) twist bunchy, its outer inner insulating layer 3 that is surrounded by, the two ends of heating wire 2 links to each other with homonymy with a plate 4 and integral body is surrounded by external insulation layer 1, and connecting plate 4 links to each other with lead 5.Fuse 6 and duplex disconnecting link switch 7 are set on the lead 5.Inside and outside insulating barrier is selected fine and close asbestos cloth usually for use, and the about 0.5mm in back also can replace with other high-temperature insulation flexible material.
Manufacturing process is as follows: use six φ 0.2mm to be about the Cr30Ni70 heating wire 2 of 4m, twist becomes a branch of fried dough twist shape, and the overcoat inner insulating layer 3 then, and expose termination, heating wire 2 two ends, doubling then, intact after again integral body put external insulation layer 1.Be sewed with asbestos yarn 9 on the external insulation layer 1 of heating wire 2 connecting parts.Length after the doubling is 2m.Heating wire 2 terminations are fixed on the terminal block 4 that connects lead 5, and fuse 6 and the duplex disconnecting link switch 7 that is connected with diplopore socket 8 are set on the lead 5.The utility model thermal power under 220v voltage is 2kw, can be made into the element of other required thermal power according to the resistivity formula.
Use is an example with the propeller boss, and the utility model on heating surface, is suitably heated the inner end of the propeller boss of tearing open earlier, heats the outer end again, otherwise does not tear open not get off; If the step hub, the heating outer ring is heated inner ring more earlier, otherwise workpiece is burst, be heated to the limit that only makes hub bore workpiece heat expansion, the temperature rise of propeller boss contact-making surface is no more than 50 ℃, during the not bigger as yet expansion of interior axle, take off heat tape, rapidly with manually with seize tool and seize and drag.When common mechanical was installed, also available instrument heating hub bore workpiece carried out hot charging, can enhance productivity, and carries out production strictly in line with rules and regulations.
Claims (3)
1. machine maintenance electric heating rope, comprise heating wire, it is characterized in that some heating wire (2) twist bunchy, its outer inner insulating layer (3) that is surrounded by, the two ends of heating wire (2) links to each other with the homonymy of same a plate (4) and integral body is surrounded by external insulation layer (1), and connecting plate (4) links to each other with lead (5).
2. machine maintenance electric heating rope according to claim 1 is characterized in that being sewed with asbestos yarn (9) on the external insulation layer (1) of described heating wire (2) connecting part.
3. machine maintenance electric heating rope according to claim 1 and 2 is characterized in that being provided with on the described lead (5) fuse (6) and duplex disconnecting link switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020132546XU CN201623873U (en) | 2010-03-13 | 2010-03-13 | Electrical heating rope for machine maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020132546XU CN201623873U (en) | 2010-03-13 | 2010-03-13 | Electrical heating rope for machine maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201623873U true CN201623873U (en) | 2010-11-03 |
Family
ID=43027325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020132546XU Expired - Fee Related CN201623873U (en) | 2010-03-13 | 2010-03-13 | Electrical heating rope for machine maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201623873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607345A (en) * | 2015-01-27 | 2015-05-13 | 江苏景中景工业涂装设备有限公司 | Quantum radiator for automobile varnish baking room |
-
2010
- 2010-03-13 CN CN201020132546XU patent/CN201623873U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607345A (en) * | 2015-01-27 | 2015-05-13 | 江苏景中景工业涂装设备有限公司 | Quantum radiator for automobile varnish baking room |
| CN104607345B (en) * | 2015-01-27 | 2022-09-02 | 江苏景中景工业涂装设备有限公司 | Quantum radiator for automobile baking finish house |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20150313 |
|
| EXPY | Termination of patent right or utility model |