CN217692351U - Rapid cable heating device - Google Patents
Rapid cable heating device Download PDFInfo
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- CN217692351U CN217692351U CN202221357984.5U CN202221357984U CN217692351U CN 217692351 U CN217692351 U CN 217692351U CN 202221357984 U CN202221357984 U CN 202221357984U CN 217692351 U CN217692351 U CN 217692351U
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- cable
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- heating pipe
- clamp
- temperature measuring
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Abstract
The utility model belongs to the technical field of the cable construction, in particular to cable rapid heating device. The technical scheme is as follows: a cable rapid heating device comprises a support steering table, wherein a cable heating pipe is connected to the support steering table, a cable to be heated is arranged in the cable heating pipe in a penetrating mode, a heating cable is wound in the cable heating pipe in a spiral mode, and two ends of the heating cable are led out to be connected with an external power supply. The utility model provides a cable rapid heating device under low temperature environment has solved that cable heating rate is slow, the wasting of resources, the problem of inefficiency, has effectively ensured cable quality and laying amount precision.
Description
Technical Field
The utility model belongs to the technical field of the cable construction, in particular to cable rapid heating device.
Background
The cable conductor is usually made of copper or aluminum. In modern industry, the cable is comparatively complicated especially large-scale cable structure, and its insulating material is fragile easily to split under low temperature condition such as crosslinked polyethylene, rubber, and the armor also can be stiff, directly lays under low temperature condition and can increase the construction degree of difficulty, can destroy cable inner structure even, reduces insulation and mechanical strength, if can't the alignment will increase the error of cable laying length simultaneously, causes the waste of material.
There are two general types of heating methods: the warm shed heating and ohmic heating, wherein the warm shed heating method need set up the warm shed temporarily and create warm environment, and dispose the diesel oil electric fan heater and promote and maintain the temperature in the canopy, place the cable in the warm shed, rely on hot-air to flow, progressively promote the cable temperature. The method is limited by the weak heat conductivity of the cable insulation material, needs long time for heating, and has large heat loss and low heat efficiency of contact heat conduction. The electrifying heating method is to electrify the cable to be laid to heat the cable body, and the method has high heating efficiency, but the current is required to be adjusted according to different types of cables and is not larger than the allowable current-carrying capacity of the cable.
In cold far east areas of project sites of certain natural gas processing plants, the annual average temperature of a construction site is about-1 ℃, the lowest temperature can reach-52 ℃, the total cable laying amount reaches 3627km, the laying amount is large, and long-time construction is needed in a low-temperature environment. On the project of this low temperature cabling, the effect of heating while laying can not be realized to above two kinds of ways, and no matter how many cables lay, all need once only heat whole dish cable, causes the wasting of resources, and the mode that just can lay after the heating is accomplished has reduced the efficiency of construction.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that prior art exists, the utility model aims to provide a cable rapid heating device under low temperature environment solves the problem that cable rate of heating is slow, wasting of resources, inefficiency, effectively ensures cable quality and lays the volume precision.
The utility model discloses the technical scheme who adopts does:
the utility model provides a cable rapid heating device, turns to the platform including the support, and the support turns to and is connected with cable heating pipe on the platform, and the cable that needs the heating is worn to locate in the cable heating pipe, and the spiral winding has heating cable in the cable heating pipe, and external power supply is drawn forth and connect at heating cable's both ends.
After the heating cable is electrified, the eddy current formed by electromagnetic induction enables the inside and the outside of the cable to be heated to be synchronously and rapidly heated, the requirement of uninterrupted laying of the cable in a low-temperature environment is met, and the working efficiency is improved. The heated cable is softer and easier to lay, the construction progress is accelerated, the quality problem that the insulating layer of the cable to be laid and the outer sheath are brittle and cracked is avoided, and meanwhile, the loss of cable materials caused by laying errors due to the fact that the cable cannot be straightened at low temperature is reduced.
As the utility model discloses a preferred scheme, the cable heating pipe includes mechanical protection layer, is provided with the intermediate level in the mechanical protection layer, and heating cable spiral winding is provided with the heating tube inlayer in the intermediate level on the intermediate level in the centre, and the cable that needs the heating is worn to locate in the heating tube inlayer. The mechanical protection layer provides certain mechanical strength and protection for the cable heating pipe. The intermediate layer plays a role in heat insulation and protection of the heating cable. The heating pipe inner layer is cable conveying pipe, makes the transport of cable more smooth and easy, possesses the effect of heat conduction simultaneously.
As the utility model discloses a preferred scheme, the inner wall of heating tube inner layer is provided with along the dovetail groove of cable heating pipe axial arrangement, and the dovetail groove is inlayed and is had the ball. When the cable moves in the inner layer of the heating pipe, the ball rolls relative to the cable, so that the abrasion of the cable can be reduced, and the cable can be conveyed more smoothly.
As the preferred scheme of the utility model, the shape at the both ends of cable heating pipe is the tubaeform. The front end and the rear end of the cable heating pipe are both of horn structures, so that the cables can be conveniently inserted and led out.
As the utility model discloses an optimal scheme, the support bogie includes the clamp, and the first side and the second side of clamp can be dismantled and be connected, and the cable heating pipe cover is located in the clamp. The clamp can be dismantled to conveniently reliably install the cable heating pipe in the clamp, or take out the cable heating pipe from the clamp fast.
As the utility model discloses an optimal scheme, be provided with the clamp locating hole on the first side of clamp, be provided with the locating piece on the cable heating pipe, the locating piece block is in the clamp locating hole. After placing the cable heating pipe in the clamp, with the clamp locating hole block on locating piece on the cable heating pipe and the clamp on the clamp, be connected the first side and the second side of clamp again, then the cable heating pipe obtains reliable connection, avoids the cable heating pipe not hard up for the clamp.
As the utility model discloses an optimal scheme, be provided with the support and turn to a platform temperature measurement hole in the clamp, the support turns to the downthehole infrared temperature measuring head of installing of platform temperature measurement, and cable heating pipe's downside is link up there is cable heating pipe temperature measurement hole, and cable heating pipe temperature measurement hole is aligned with support and turns to platform temperature measurement hole. The infrared temperature measuring head can directly monitor the temperature of the heated cable through the temperature measuring hole of the support steering table and the temperature measuring hole of the cable heating pipe. When the temperature is higher than the upper limit, the power supply is automatically powered off, and the cable stops heating; and when the temperature is lower than the lower limit, the power supply recovers to supply power and starts heating. Thereby, the utility model discloses can realize self-heating or outage, it is more convenient to operate.
As the utility model discloses an optimal scheme, the support turns to the platform and still includes the cushion cap, and the bottom of cushion cap is fixed with sleeve pipe and a plurality of landing leg, and the bottom of clamp is fixed with the handle double-screw bolt of taking, handle double-screw bolt and sleeve pipe threaded connection. The handle on the stud with the handle is turned, and the stud with the handle can rotate relative to the sleeve to move up and down, so that the cable heating pipe can be adjusted to a proper height, and the cable can move more smoothly in the cable heating pipe.
The utility model has the advantages that:
the utility model discloses utilize electromagnetic induction heating's principle, realized treating the inside and outside synchronous rapid heating up of heating cable, satisfy the incessant requirement of laying of cable under the low temperature environment, promoted work efficiency. The heated cable is softer and easier to lay, the construction progress is accelerated, the quality problem that the insulating layer of the cable to be laid and the outer sheath are brittle and cracked is avoided, and meanwhile, the loss of cable materials caused by laying errors due to the fact that the cable cannot be straightened at low temperature is reduced.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an interlaminar cross-sectional view of a cable heating tube;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial cross-sectional view of a cable heating tube;
fig. 5 is a schematic structural view of the rack turning table.
In the figure: 1-cable heating pipe; 2-a support steering table; 3, clamping a hoop; 4-positioning blocks; 5-fastening bolts; 6-stud with handle; 7-a handle; 8-a bearing platform; 9-a sleeve; 10-a heating cable; 11-a leg; 12-a bottom reinforcement structure; 13-temperature measuring holes of the cable heating pipes; 14-a mechanical protective layer; 15-an intermediate layer; 16-heating the inner layer of the tube; 17-a trapezoidal groove; 18-a ball bearing; 19-clamp positioning holes; and 20-temperature measuring holes of the support steering table.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
As shown in fig. 1, the rapid cable heating device of the embodiment includes a support steering table 2, a cable heating pipe 1 is connected to the support steering table 2, a cable to be heated is arranged in the cable heating pipe 1 in a penetrating manner, a heating cable 10 is spirally wound in the cable heating pipe 1, and two ends of the heating cable 10 are led out to be connected with an external power supply.
After the heating cable 10 is electrified, the eddy current formed by electromagnetic induction enables the inside and the outside of the cable to be heated to be synchronously and rapidly heated, the requirement of uninterrupted laying of the cable in a low-temperature environment is met, and the working efficiency is improved. Wherein, the cable conductor and the direct heating of steel armour reduced the heat energy loss of heat transfer. The heated cable is softer and easier to lay, the construction progress is accelerated, the quality problem that the insulating layer of the cable to be laid and the outer sheath are brittle and cracked is avoided, and meanwhile, the cable material loss of the laying error caused by the fact that the cable cannot be straightened at low temperature is reduced. The utility model has the characteristics of rate of heating is fast, the heat is even, device simple structure, convenient operation, improved efficiency of construction and cable laying quality.
Specifically, as shown in fig. 2, the cable heating tube 1 includes a mechanical protection layer 14, an intermediate layer 15 is disposed in the mechanical protection layer 14, the heating cable 10 is spirally wound on the intermediate layer 15, a heating tube inner layer 16 is disposed in the intermediate layer, and a cable to be heated is inserted into the heating tube inner layer 16. The heating cable 10 is preferably a copper core cable with an insulating sheath. The mechanical protection layer 14 provides a certain mechanical strength and protection for the cable heating tube 1, and the material is preferably hard plastic. The intermediate layer 15 is a heat insulating layer, and plays a role in protecting the heating cable 10 in a heat insulating way. The material of the middle layer 15 is preferably made of glass fiber cloth, so that the high-temperature aging of the cable outer sheath is prevented while the heat energy utilization rate is improved. The inner layer 16 of the heating pipe is a cable conveying conduit, so that the cable is convenient to convey, has a heat conduction function, and is preferably made of aluminum alloy materials.
As shown in fig. 3, in order to make the cable transportation smoother, the inner wall of the heating tube inner layer 16 is provided with a trapezoidal groove 17 arranged along the axial direction of the cable heating tube 1, and balls 18 are embedded in the trapezoidal groove 17. When the cable moves in the heating tube inner layer 16, the ball bearings 18 roll relative to the cable, so that the abrasion of the cable can be reduced, and the cable can be conveyed more smoothly.
As shown in fig. 4, both ends of the cable heating pipe 1 are flared to facilitate the insertion and removal of the cable. The front end and the rear end of the cable heating pipe 1 are both of horn-shaped structures, so that a cable can be conveniently led in and out from a horn mouth.
Specifically, as shown in fig. 5, the support steering table 2 includes a clamp 3, the upper half side and the lower half side of the clamp 3 are detachably connected, and the cable heating pipe 1 is sleeved in the clamp 3. The clamp 3 can be disassembled, so that the cable heating pipe 1 can be conveniently and reliably installed in the clamp 3, or the cable heating pipe 1 can be quickly taken out of the clamp 3.
The upper half side of the clamp 3 is provided with a clamp positioning hole 19, the cable heating pipe 1 is provided with a positioning block 4, and the positioning block 4 is clamped in the clamp positioning hole 19. After placing cable heating pipe 1 in clamp 3, with the clamp locating hole 19 block on locating piece 4 on the cable heating pipe 1 and the clamp 3, pass through fastening bolt 5 with the first side and the second side of clamp 3 again and be connected, then cable heating pipe 1 obtains reliable connection, avoids cable heating pipe 1 not hard up for clamp 3.
The support turns to platform 2 and still includes cushion cap 8, and the bottom of cushion cap 8 is fixed with sleeve pipe 9 and a plurality of landing leg 11, and a plurality of landing legs 11 ann are connected with bottom reinforced structure 12, and the bottom of clamp 3 is fixed with handle double-screw bolt 6, takes handle double-screw bolt 6 and sleeve pipe 9 threaded connection. The handle 7 on the stud with handle 6 is turned, and the stud with handle 6 can rotate relative to the sleeve 9 to move up and down, so that the cable heating pipe 1 can be adjusted to a proper height, and the cable can move more smoothly in the cable heating pipe 1. The position and the height of the support steering table 2 can be adjusted according to different construction conditions, the threaded connection of the stud 6 with the handle and the sleeve 9 can ensure that a cable to be heated can automatically steer from the change of the cable coiling position, and the abrasion of the cable to be heated is reduced.
Furthermore, in order to monitor the temperature of the cable and automatically control heating or power-off, a bracket steering table temperature measuring hole 20 is formed in the hoop 3, an infrared temperature measuring head is installed in the bracket steering table temperature measuring hole 20, a cable heating pipe temperature measuring hole 13 is communicated with the lower side of the cable heating pipe 1, and the cable heating pipe temperature measuring hole 13 is aligned with the bracket steering table temperature measuring hole 20. The infrared temperature measuring head can directly monitor the temperature of the heated cable through the bracket steering table temperature measuring hole 20 and the cable heating pipe temperature measuring hole 13. The infrared temperature measuring head sends the temperature signal to the temperature controller. When the temperature is higher than 50 ℃, the temperature controller controls the power supply to be powered off, and the cable stops heating. When the temperature is lower than 40 ℃, the temperature controller controls the power supply to recover power supply and starts heating. Thereby, the utility model discloses can realize self-heating or outage, it is more convenient to operate. The cable heating pipe 1 is controlled by a temperature control signal, and the temperature controller heats the cable to 40-50 ℃ according to the infrared temperature measurement signal.
The method for rapidly heating the cable comprises the following steps:
s1: erecting a cable reel to be laid, adjusting the direction, and leading out a cable end;
s2: placing a support steering table 2 at a position 2-3 m away from the cable reel on a cable laying path; rotating the handle 7, and adjusting the hoop 3 to a proper height;
s3: horizontally installing the cable heating pipe 1 on a hoop 3 of a support steering table 2, ensuring that a positioning block 4 passes through a hoop positioning hole 19, and then screwing a fastening bolt 5 to enable the hoop 3 to tightly hold the cable heating pipe 1;
s4: installing an infrared temperature measuring head at the bottom of a temperature measuring hole 20 of the support steering table, and connecting the infrared temperature measuring head with a temperature controller in parallel;
s5: connecting leading-out wires at two ends of the heating power supply with an external variable frequency power supply box;
cabling can then begin:
s6: the cable to be heated is passed through the cable heating tube 1. Due to the eddy current effect, the conductor, the steel armor and the inner layer 16 of the heating pipe of the cable to be heated generate eddy current and generate heat, so that the temperature of the cable is rapidly increased;
s7: the cable is continuously drawn out of the cable reel; because the stud 6 with the handle can rotate spirally relative to the sleeve 9, the cable heating pipe 1 can swing freely along with the difference of the cable outlet positions;
s8: the infrared temperature measuring head monitors the heating condition of the cable, controls the power supply connected with the heating cable 10 to be powered off when the temperature is higher than 50 ℃, and controls the power supply connected with the heating cable 10 to be powered on when the temperature is lower than 40 ℃.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (8)
1. A cable rapid heating device is characterized in that: the cable heating device comprises a support steering platform (2), wherein a cable heating pipe (1) is connected to the support steering platform (2), a cable needing heating is arranged in the cable heating pipe (1) in a penetrating mode, a heating cable (10) is spirally wound in the cable heating pipe (1), and two ends of the heating cable (10) are led out to be connected with an external power supply.
2. A cable rapid heating device according to claim 1, characterized in that: the cable heating pipe (1) comprises a mechanical protection layer (14), an intermediate layer (15) is arranged in the mechanical protection layer (14), a heating cable (10) is spirally wound on the intermediate layer (15), a heating pipe inner layer (16) is arranged in the intermediate layer, and a cable needing heating is arranged in the heating pipe inner layer (16) in a penetrating mode.
3. A cable rapid heating apparatus according to claim 2, characterized in that: the inner wall of the heating tube inner layer (16) is provided with a trapezoidal groove (17) which is axially arranged along the cable heating tube (1), and balls (18) are embedded in the trapezoidal groove (17).
4. A cable rapid heating apparatus according to claim 1, characterized in that: the shapes of both ends of the cable heating pipe (1) are horn shapes.
5. A cable rapid heating apparatus according to claim 1, characterized in that: the support steering table (2) comprises a hoop (3), the upper half side and the lower half side of the hoop (3) are detachably connected, and the hoop (3) is sleeved with the cable heating pipe (1).
6. A device for heating cables quickly as claimed in claim 5, characterized in that: the clamp is characterized in that a clamp positioning hole (19) is formed in the upper half side of the clamp (3), a positioning block (4) is arranged on the cable heating pipe (1), and the positioning block (4) is clamped in the clamp positioning hole (19).
7. A device for heating cables quickly as claimed in claim 5, characterized in that: the support steering table temperature measuring device is characterized in that a support steering table temperature measuring hole (20) is formed in the clamp (3), an infrared temperature measuring head is installed in the support steering table temperature measuring hole (20), a cable heating pipe temperature measuring hole (13) is communicated with the lower side of the cable heating pipe (1), and the cable heating pipe temperature measuring hole (13) is aligned with the support steering table temperature measuring hole (20).
8. A device for heating cables quickly as claimed in claim 5, characterized in that: the support steering table (2) further comprises a bearing table (8), a sleeve (9) and a plurality of support legs (11) are fixed to the bottom of the bearing table (8), a stud bolt with a handle (6) is fixed to the bottom of the hoop (3), and the stud bolt with the handle (6) is in threaded connection with the sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221357984.5U CN217692351U (en) | 2022-06-01 | 2022-06-01 | Rapid cable heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221357984.5U CN217692351U (en) | 2022-06-01 | 2022-06-01 | Rapid cable heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217692351U true CN217692351U (en) | 2022-10-28 |
Family
ID=83704892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221357984.5U Active CN217692351U (en) | 2022-06-01 | 2022-06-01 | Rapid cable heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217692351U (en) |
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2022
- 2022-06-01 CN CN202221357984.5U patent/CN217692351U/en active Active
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