CN217979753U - Connection structure of rare earth drying rotary kiln electric heating equipment - Google Patents
Connection structure of rare earth drying rotary kiln electric heating equipment Download PDFInfo
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- CN217979753U CN217979753U CN202222115844.3U CN202222115844U CN217979753U CN 217979753 U CN217979753 U CN 217979753U CN 202222115844 U CN202222115844 U CN 202222115844U CN 217979753 U CN217979753 U CN 217979753U
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Abstract
The utility model discloses a tombarthite drying rotary kiln electrical heating equipment's connection structure, including heating element, heating element's wiring end and flexible cable connection link, heating element's wiring end includes heating element's power inlet wire coupling part, and the power inlet wire coupling part that sets up heating element is the heating element connector, and flexible cable connection link includes the flexible cable connector, be provided with the screw rod on the heating element connector, connection structure includes closed type line nose, and the upper end of closed type line nose cup joints on the screw rod, through heating element connector and flexible cable connector are connected to the screw rod. The utility model discloses at tombarthite ore dressing in-process for the wiring structure of the dry rotary kiln electrical heating equipment of tombarthite concentrate workshop section, with flexible cable wiring fastening, not generate heat in order to solve rotary kiln heating element wiring end, and can guarantee the problem that the electric current normally passes through.
Description
Technical Field
The utility model relates to a equip the technical field of making, concretely relates to tombarthite drying rotary kiln electrical heating equipment's connection structure.
Background
At present, in the rare earth beneficiation process, the used electric heating equipment of the rare earth drying rotary kiln adopts a oCr A16nb heating element, and the heating element is formed by welding a heating element body and a 10mm iron rod. A power line from the controller to the heating element adopts a BVR 1 x 95 square millimeter flexible cable, and the connection mode between the heating element and the flexible cable is that the flexible cable and a 10mm iron rod are held together by a rope clamp. The disadvantages of this connection are that the flexible cable, iron rod and rope clip often generate heat, contact is poor and the cable is burnt out. After the cable is burnt off, the heating element cannot heat, so that the temperature of the area is low, the material cannot be heated to a preset temperature data range, the machine must be stopped for reconnection in order to solve the problem, the fault occurs once every several days or more than ten days, the wiring time is one to two hours every time, the maintenance cost is increased when the machine is operated, the output per hour is reduced, the operation rate is reduced, the product qualification rate is reduced, and the power consumption unit consumption is increased.
The utility model patent application with the application number of CN201821750650.8 discloses a variable power electric heating element electric heater, which comprises a junction box, wherein the bottom of the junction box is fixedly connected with a first cable interface; the utility model discloses a, through setting up electric heating element, the convenience is heated the medium, it is different to set up electric heating element's power density simultaneously, the medium is along with after the electric heating element heat exchange, power density reduces, the electric heating element power density of latter half region reduces, superimposed temperature is less than first half region, electric heating element has been protected like this, increase of service life, prevent the difference in temperature of importing and exporting too big, electric heating element's thermal efficiency increases simultaneously, efficiency is higher, the device is through adopting different power density's electric heating element, constitute the heating beam, the rising along with medium temperature has been realized, power density reduces, the thermal efficiency of heater increases, service life is prolonged, whole device convenient to use, moreover, the steam generator is simple in structure, therefore, the clothes dryer is strong in practicability. However, by adopting the technical scheme of the utility model, the problems that the flexible cable, the iron bar and the rope clamp are often heated, the contact is poor and the cable is burnt out are solved; and the heating element can not heat after the cable is burnt off, so that the temperature of the area is low and the material can not be heated to the preset temperature data range.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an invention aim at provides a rare earth drying rotary kiln electrical heating equipment's connection structure to the problem that exists, including heating element, heating element's wiring end and flexible cable wiring link, heating element's wiring end includes heating element's power inlet wire connecting portion, and the power inlet wire connecting portion that sets up heating element is the heating element connector, and flexible cable wiring link includes the flexible cable connector, be provided with the screw rod on the heating element connector, connection structure includes closed type line nose, and the upper end of closed type line nose cup joints on the screw rod, through the screw rod, connect heating element connector and flexible cable connector. The utility model discloses at tombarthite ore dressing in-process for the wiring structure of the dry rotary kiln electrical heating equipment of tombarthite concentrate workshop section, with flexible cable wiring fastening, not generate heat in order to solve rotary kiln heating element wiring end, and can guarantee the problem that the electric current normally passes through.
The utility model adopts the technical scheme as follows:
the utility model discloses a tombarthite drying rotary kiln electrical heating equipment's connection structure, including heating element, heating element's wiring end and flexible cable connection link, heating element's wiring end includes heating element's power inlet wire coupling part, and the power inlet wire coupling part that sets up heating element is the heating element connector, and flexible cable connection link includes the flexible cable connector, be provided with the screw rod on the heating element connector, connection structure includes closed type line nose, and the upper end of closed type line nose cup joints on the screw rod, through heating element connector and flexible cable connector are connected to the screw rod.
Furthermore, the heating element connector is a 10-20mm iron rod, the screw rod is transversely welded at the end part of the heating element connector, and the screw rod and the heating element connector are welded to form a screw rod welding point.
Further, the screw rod includes first screw rod portion and second screw rod portion, and the upper end of closing type line nose is first connecting portion, and the lower extreme of closing type line nose is the second connecting portion, and the first connecting portion that sets up closing type line nose passes through second screw rod portion to be connected on first screw rod portion, twists second screw rod portion, fixes the connection of closing type line nose first connecting portion and first screw rod portion.
Furthermore, the first connecting portion of the closed type line nose is connected to the first screw rod portion, and the two ends of the connecting portion are provided with compression gaskets, the end portion of the first screw rod portion is provided with compression nuts and the first screw rod portion in a superposed mode, and the compression nuts act on the compression gaskets to fasten the first connecting portion of the closed type line nose and the first screw rod portion.
Furthermore, the lower end of the closed wire nose is provided with a second connecting part connected with the flexible cable connector, the opening size of the second connecting part is matched with the size of the flexible cable connector, and the joint of the second connecting part and the flexible cable connector is pressed by a wire pressing pliers.
Furthermore, the closed type wire nose is connected with the flexible cable through a closed type copper wire nose, and the closed type wire nose wraps the flexible cable.
Further, the screw is welded on the heating element connecting head by using a bolt with the length of 10 × 30mm.
The technical effects of the utility model are as follows:
the utility model discloses a rare earth drying rotary kiln electrical heating equipment's connection structure changes flexible cable no longer burnt out behind the mode of connection, has solved former several days or ten days and just need connect the problem of a line, has saved the running cost, has reduced maintenance duration, has improved equipment operating rate, has improved the product percent of pass, has reduced the power consumption unit consumption.
The method comprises the following specific steps:
1. the utility model discloses a 10X 30mm bolt has formed the screw rod welding point with the heating element connector that 10mm transversely set up, and this welding point satisfies to weld firmly and the welding seam is full, has both had mechanical strength and can guarantee that the electric current normally passes through again. The main function is to change the wiring mode to make the wire and the heating element connector set transversely contact closely, so as to reduce the contact resistance and reduce the heating effect.
2. The utility model discloses a close type copper line nose and 95 square millimeters's flexible cable tie point, this tie point mainly guarantee contact fastening between flexible cable and the close type copper line nose and can guarantee that the electric current normally passes through. The main effect is to fasten the flexible cable together and ensure the conductive cross-sectional area of the flexible cable, and reduce the heat generation.
Drawings
FIG. 1 is a schematic view of a connection structure of an electric heating apparatus of a rare earth drying rotary kiln in the prior art;
FIG. 2 is a schematic view of the connection structure of the electric heating device of the rare earth drying rotary kiln of the present invention;
the mark in the figure is: 1-heating element connector, 2-flexible cable connector, 3-closed wire nose, 301-first connector, 302-second connector, 4-screw, 401-first screw part, 402-second screw part, 5-compression gasket, 6-compression nut, 7-screw welding point and 8-U-shaped buckle.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
In this embodiment, the adopted data is a preferred scheme, but is not used to limit the present invention;
as shown in fig. 1, the connection structure in the prior art includes a heating element connector, a flexible cable connector and a U-shaped buckle, wherein the flexible cable connector is a copper core cable connector; adopt structural component connects, heating element connector and copper core cable connector direct contact to it is fixed through U type buckle the position relation of heating element connector and copper core cable connector adopts the wiring mode is connected, arouses rotary kiln heating element wiring end easily and fastens, does not generate heat with the flexible cable wiring, and has the problem that the electric current can not normally pass through. The wiring is required to be reconnected for several days or more than ten days, which increases the operation cost.
Example 1
As shown in fig. 2, this embodiment provides a connection structure of dry rotary kiln electrical heating equipment of tombarthite, including heating element, heating element's wiring end and flexible cable connection link, heating element's wiring end includes heating element's power inlet wire coupling part, and the power inlet wire coupling part that sets up heating element is the heating element connector, and flexible cable connection link includes the flexible cable connector, be provided with the screw rod on the heating element connector, connection structure includes closed type line nose, and the upper end of closed type line nose cup joints on the screw rod, through heating element connector and flexible cable connector are connected to the screw rod.
In this embodiment, the heating element connector is a 10mm iron rod, the screw rod is transversely welded at the end of the heating element connector, and the screw rod and the heating element connector are welded to form a screw rod welding point. Furthermore, the screw is welded on the heating element connecting head by using one bolt with the diameter of 10 x 30mm. Set up the screw rod, 10X 30mm's bolt forms the screw rod welding point with the horizontal iron bar of 10mm promptly, and this welding point satisfies to weld firmly and the welding seam is full, has both had mechanical strength can guarantee again that the electric current normally passes through. The main function is to change the wiring mode to make the wire and the heating element connector set transversely contact closely, so as to reduce the contact resistance and reduce the heating effect.
In this embodiment, the screw includes a first screw portion and a second screw portion, the upper end of the closed type wire nose is a first connecting portion, the lower end of the closed type wire nose is a second connecting portion, the first connecting portion of the closed type wire nose is connected to the first screw portion through the second screw portion, the second screw portion is screwed, and the connection between the first connecting portion of the closed type wire nose and the first screw portion is fixed.
Example 2
As shown in fig. 2, this embodiment provides a connection structure of dry rotary kiln electrical heating equipment of tombarthite, including heating element, heating element's wiring end and flexible cable connection link, heating element's wiring end includes heating element's power inlet wire coupling part, and the power inlet wire coupling part that sets up heating element is the heating element connector, and flexible cable connection link includes the flexible cable connector, be provided with the screw rod on the heating element connector, connection structure includes closed type line nose, and the upper end of closed type line nose cup joints on the screw rod, through heating element connector and flexible cable connector are connected to the screw rod.
In this embodiment, the first connecting portion of closed type line nose is connected on first screw rod portion, and the both ends of junction are provided with the pressure washer, the tip of first screw rod portion is gland nut and the coincidence setting of first screw rod portion, through gland nut acts on the pressure washer, fastens the connection of first connecting portion and first screw rod portion.
In this embodiment, the lower end of the closed wire nose is provided with a second connecting portion connected to the flexible cable connector, the opening size of the second connecting portion is matched with the size of the flexible cable connector, and the joint of the second connecting portion and the flexible cable connector is pressed by a crimping pliers. As shown in fig. 2, in this embodiment, the closed wire nose is connected to the flexible cable by a closed copper wire nose, and the closed wire nose is disposed to wrap the flexible cable.
Preferably, in this embodiment, the closed copper wire nose and the 95 mm square flexible cable form a connection point, and this connection point mainly ensures that the flexible cable and the closed copper wire nose are tightly contacted and current can normally pass through. The main function is to fasten the flexible cable together, so that the conductive cross-sectional area of the flexible cable is ensured, and the heat emission is reduced.
The above description is only a preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (7)
1. The utility model provides a dry rotary kiln electrical heating equipment's of tombarthite connection structure, includes heating element, heating element's wiring end and flexible cable connection link, its characterized in that, heating element's wiring end includes heating element's power inlet wire linkage part, and the power inlet wire connecting portion that sets up heating element is heating element connector (1), and flexible cable connection link includes flexible cable connector (2), be provided with screw rod (4) on heating element connector (1), connection structure includes closed type line nose (3), and the upper end of closed type line nose (3) is cup jointed on screw rod (4), through screw rod (4), connection heating element connector (1) and flexible cable connector (2).
2. The connecting structure of the electric heating equipment of the rare earth drying rotary kiln according to claim 1, wherein the heating element connector (1) is a 10-20mm iron rod, the screw rod (4) is transversely welded at the end of the heating element connector (1), and the screw rod (4) and the heating element connector (1) are welded to form a screw rod welding point (7).
3. The connecting structure of the electric heating equipment of the rare earth drying rotary kiln according to claim 2, characterized in that the screw (4) comprises a first screw part (401) and a second screw part (402), the upper end of the closed type wire nose (3) is provided with a first connecting part (301), the lower end of the closed type wire nose (3) is provided with a second connecting part (302), the first connecting part (301) provided with the closed type wire nose (3) is connected to the first screw part (401) through the second screw part (402), the second screw part (402) is screwed, and the connection of the first connecting part (301) and the first screw part (401) of the closed type wire nose (3) is fixed.
4. The connecting structure of the electric heating equipment of the rare earth drying rotary kiln according to claim 3, wherein a first connecting portion (301) of the closed type wire nose (3) is connected to a first screw portion (401), pressing gaskets (5) are arranged at two ends of the connection, the end portion of the first screw portion (401) is formed by overlapping a pressing nut (6) and the first screw portion (401), and the pressing nut (6) acts on the pressing gaskets (5) to fasten the connection of the first connecting portion (301) of the closed type wire nose (3) and the first screw portion (401).
5. The connecting structure of the electric heating equipment of the rare earth drying rotary kiln according to claim 4, wherein the lower end of the closed wire nose (3) is provided with a second connecting part (302) for connecting the flexible cable connector (2), the opening size of the second connecting part (302) is matched with the size of the flexible cable connector (2), and the joint of the second connecting part (302) and the flexible cable connector (2) is pressed by a wire pressing pliers.
6. The connection structure of the electric heating equipment of the rare earth drying rotary kiln according to the claim 5, characterized in that the closed wire nose (3) is connected with a flexible cable by adopting a closed copper wire nose, and the closed wire nose (3) is arranged to wrap the flexible cable.
7. The connection structure of the electric heating equipment of the rare earth drying rotary kiln according to the claim 1 or 6, characterized in that the screw (4) is welded on the heating element connector (1) by using a bolt of 10 x 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222115844.3U CN217979753U (en) | 2022-08-11 | 2022-08-11 | Connection structure of rare earth drying rotary kiln electric heating equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222115844.3U CN217979753U (en) | 2022-08-11 | 2022-08-11 | Connection structure of rare earth drying rotary kiln electric heating equipment |
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| CN217979753U true CN217979753U (en) | 2022-12-06 |
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| CN202222115844.3U Active CN217979753U (en) | 2022-08-11 | 2022-08-11 | Connection structure of rare earth drying rotary kiln electric heating equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817108A (en) * | 2020-07-16 | 2020-10-23 | 国网甘肃省电力公司电力科学研究院 | Manufacturing method of plug-in type cable joint distribution transformer test wiring terminal device |
-
2022
- 2022-08-11 CN CN202222115844.3U patent/CN217979753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817108A (en) * | 2020-07-16 | 2020-10-23 | 国网甘肃省电力公司电力科学研究院 | Manufacturing method of plug-in type cable joint distribution transformer test wiring terminal device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 615600 Rare Earth Industrial Park, Fuxing Town, Mianning County, Liangshan Yi Autonomous Prefecture, Sichuan Province Patentee after: Zhongxi (Liangshan) Rare Earth Co.,Ltd. Address before: 615600 Rare Earth Industrial Park, Fuxing Town, Mianning County, Liangshan Yi Autonomous Prefecture, Sichuan Province Patentee before: SICHUAN JCC RARE EARTH METALS CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |