Medium-frequency induction coil lifting mechanism

Abstract

The utility model discloses a medium-frequency induction coil lifting mechanism which is characterized in that a lifting structure and a driving structure are arranged on a rack, the driving structure provides driving force for the lifting structure, a medium-frequency induction coil is installed at the lifting end of the lifting structure, and the lifting structure drives the medium-frequency induction coil to move up and down; the number of the lifting structures is multiple, and the multiple lifting structures are symmetrically arranged relative to the plane where the vertical center line of the medium-frequency induction coil is located. The utility model provides a medium-frequency induction coil lifting mechanism to solve the technical problem of poor operation stability in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a lifting mechanism for an intermediate frequency induction coil. Background Art

[0002] During the pipeline processing, it is necessary to spray the outer wall of the pipeline in the spraying mechanism. To improve the adhesion rate of the coating and accelerate the drying of the coating, it is necessary to increase an intermediate frequency induction coil to heat the pipeline to be sprayed. When heating the pipeline to be heated, the lifting mechanism drives the intermediate frequency induction coil to descend near the pipeline for heating, so as to improve the adhesion rate of the coating on the pipeline and accelerate the drying of the coating. After the heating is completed, the lifting mechanism drives the intermediate frequency induction coil to rise, so that the pipeline can be smoothly output from below the heating mechanism.

[0003] In the existing technology, the lifting mechanism often adopts a wire rope lifting type lifting mechanism, so that the intermediate frequency induction coil is easily affected by the outside world during the lifting process, resulting in shaking, poor running stability, and affecting the use efficiency and safety.

[0004] Therefore, it is necessary to develop a lifting mechanism for an intermediate frequency induction coil to address the above-mentioned defects. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a lifting mechanism for an intermediate frequency induction coil to solve the technical problem of poor running stability in the existing technology.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A lifting mechanism for an intermediate frequency induction coil of the utility model includes: a frame, on which a lifting structure and a driving structure are arranged. The driving structure provides driving force for the lifting structure, and an intermediate frequency induction coil is installed at the lifting end of the lifting structure. The lifting structure drives the intermediate frequency induction coil to move up and down.

[0008] Among them, a plurality of the lifting structures are provided, and the plurality of the lifting structures are symmetrically arranged with respect to the plane where the vertical center line of the intermediate frequency induction coil is located.

[0009] Further, the lifting structure includes a lead screw, a nut, an anti-rotation component and a transmission component. The intermediate frequency induction coil is connected to the lead screw. The nut is rotatably arranged on the frame. The lead screw is in threaded cooperation with the nut. The transmission component is used to transmit the power of the driving structure to the nut to drive the nut to rotate. The anti-rotation component is used to prevent the lead screw from rotating.

[0010] Further, the transmission assembly includes a first rotating member meshing with the output end of the driving structure and a linear moving member cooperating with the first rotating member. Based on the rotation of the first rotating member, the linear moving member moves linearly, and the moving trajectory of the linear moving member is tangent to the rotating trajectory of the nut. One end of the linear moving member away from the first rotating member is connected to the nut.

[0011] Further, the transmission assembly includes a second rotating member meshing with the output end of the driving structure and a rotating transmission member cooperating with the second rotating member. Based on the rotation of the second rotating member, the rotating transmission member rotates, and one end of the rotating transmission member away from the second rotating member meshes with the nut.

[0012] Further, there is one driving structure, and one driving structure simultaneously provides driving force for multiple lifting structures.

[0013] Further, the number of driving structures provided is equal to the number of lifting structures provided, and each lifting structure is provided with driving force through the corresponding driving structure.

[0014] Further, a heating avoidance groove is provided on the end face of the intermediate frequency induction coil facing the pipeline to be heated, and the heating avoidance groove is adapted to the outer shape of the pipeline to be heated.

[0015] Further, it further includes a central control unit. The driving structure is signal-connected to the central control unit, and the central control unit can receive and store lifting instructions so that the central control unit controls the operating state of the driving structure according to the lifting instructions.

[0016] Further, it further includes a position detection element. The position detection element is arranged on the intermediate frequency induction coil and is used to detect the distance between the intermediate frequency induction coil and the pipeline to be heated, and both the intermediate frequency induction coil and the position detection element are signal-connected to the central control unit.

[0017] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0018] In an intermediate frequency induction coil lifting mechanism of the present utility model, by symmetrically arranging a plurality of lifting structures, the force on the intermediate frequency induction coil is symmetric with respect to the plane where the vertical center line of the intermediate frequency induction coil is located, thereby improving the force balance of the intermediate frequency induction coil, avoiding the shaking of the intermediate frequency induction coil during the lifting process caused by external influences, improving the stability of the intermediate frequency induction coil during the lifting process, and ensuring the lifting efficiency and safety performance. Description of the Drawings

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the intermediate frequency induction coil lifting mechanism of the present invention;

[0021] Figure 2 It is a front view structural schematic diagram of the intermediate frequency induction coil lifting mechanism of the present invention;

[0022] Figure 3 It is a side view structural schematic diagram of the intermediate frequency induction coil lifting mechanism of the present invention;

[0023] Figure 4 It is a top view structural schematic diagram of the intermediate frequency induction coil lifting mechanism of the present invention.

[0024] Explanation of reference numerals: 1. Frame; 2. Lifting structure; 3. Driving structure; 4. Intermediate frequency induction coil. Specific embodiments

[0025] The purpose of the present invention is to provide an intermediate frequency induction coil lifting mechanism to solve the technical problem of poor running stability in the prior art.

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0028] Referring to the accompanying drawings, Figure 1 It is a three-dimensional structural schematic diagram of the intermediate frequency induction coil lifting mechanism of the present invention; Figure 2 It is a front view structural schematic diagram of the intermediate frequency induction coil lifting mechanism of the present invention; Figure 3 It is a side view structural schematic diagram of the intermediate frequency induction coil lifting mechanism of the present invention; Figure 4 It is a top view structural schematic diagram of the intermediate frequency induction coil lifting mechanism of the present invention.

[0029] In a specific embodiment, such asFigure 1 , Figure 2 and Figure 4 As shown in Figure 1 , Figure 2 and Figure 4 , an intermediate frequency induction coil lifting mechanism includes a frame 1, on which a lifting structure 2 and a driving structure 3 are arranged. The driving structure 3 provides driving force for the lifting structure 2, and the lifting end of the lifting structure 2 is installed with an intermediate frequency induction coil 4. The lifting structure 2 drives the intermediate frequency induction coil 4 to move up and down.

[0030] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , to ensure the smoothness of the lifting of the intermediate frequency induction coil 4, multiple lifting structures 2 are provided, and the multiple lifting structures 2 are symmetrically arranged with respect to the plane where the vertical center line of the intermediate frequency induction coil 4 is located.

[0031] It should be understood that the above intermediate frequency induction coil 4 can also be provided with a cooling component, etc. As long as it can move up and down under the drive of the lifting structure 2, it belongs to the protection scope of the present invention. Therefore, the present invention does not specifically limit the application field of this intermediate frequency induction coil lifting mechanism.

[0032] In a specific embodiment of the present invention, when the above intermediate frequency induction coil lifting mechanism is applied to heat a pipeline to be heated, by symmetrically arranging multiple lifting structures 2, the force on the intermediate frequency induction coil 4 is symmetric with respect to the plane where the vertical center line of the intermediate frequency induction coil 4 is located. Thereby, the force balance of the intermediate frequency induction coil 4 is improved, the shaking of the intermediate frequency induction coil 4 during the lifting process caused by external influences is avoided, the smoothness of the intermediate frequency induction coil 4 during the lifting process is improved, and the lifting efficiency and safety performance are ensured.

[0033] It should be understood that the above lifting structure 2 can be set as a scissor - type lifting structure or a lead screw - nut lifting structure, etc. As long as it can realize the lifting function, it belongs to the protection scope of the present invention; the specific number of the above lifting structures 2 is not limited, as long as it is the number that can meet the use requirements, it belongs to the protection scope of the present invention.

[0034] In a specific embodiment of the present invention, to improve the stability of the lifting structure 4 and ensure the self - locking function can be realized in the case of power failure, the lifting structure 2 is set as a lead screw - nut lifting structure. There are two lead screw - nut lifting structures, and the two lead screw - nut lifting structures are symmetrically arranged with respect to the plane where the vertical center line of the intermediate frequency induction coil 4 is located. As shown in Figures 1 to 4 , when the lifting structure 2 is set as a lead screw - nut lifting structure, the lifting structure 2 includes a lead screw, a nut, a rotation - stopping component and a transmission component. The intermediate frequency induction coil 4 is connected to the lead screw, the nut is rotatably arranged on the frame 1, the lead screw is in threaded cooperation with the nut, the transmission component is used to transmit the power of the driving structure 3 to the nut to drive the nut to rotate, and the rotation - stopping component is used to prevent the lead screw from rotating. ​​​​​​​​

[0035] It should be understood that the anti-rotation component is set as a spline sleeve or a slider fixed on the frame, etc. As long as it can prevent the lead screw from rotating and allow the lead screw to move axially, it belongs to the protection scope of the present utility model; the above transmission component can be set as a linear transmission component or a rotational transmission component, etc. As long as it can transmit the power of the driving structure 3 to the nut, it belongs to the protection scope of the present utility model.

[0036] In a specific embodiment of the present utility model, the anti-rotation component is set as a spline sleeve fixed on the frame. The lead screw is slidably sleeved in the sleeve, and a groove adapted to the spline sleeve is provided on the outer wall of the lead screw. When the nut rotates, based on the sliding fit between the spline and the groove, the lead screw cannot rotate and the rotation is converted into a linear movement.

[0037] In a specific embodiment of the present utility model, the transmission component is set as a linear transmission component. The transmission component includes a first rotating member meshing with the output end of the driving structure 3 and a linear moving member cooperating with the first rotating member. Based on the rotation of the first rotating member, the linear moving member makes a linear movement, and the movement trajectory of the linear moving member is tangent to the rotation trajectory of the nut. The end of the linear moving member away from the first rotating member is connected to the nut. The output end on the driving structure 3 drives the first rotating member to rotate, and drives the linear moving member to make a linear movement through the first rotating member. The linear moving member making a linear movement drives the nut to rotate. Under the action of the anti-rotation component, the rotating nut drives the lead screw to move up and down.

[0038] It should be understood that a worm and worm gear meshing movement or a bevel gear meshing movement, etc. can be set between the output end of the driving structure 3 and the first rotating member. As long as the output end of the driving structure 3 can drive the first rotating member to rotate, it belongs to the protection scope of the present utility model; a gear and rack meshing movement, etc. can be set between the first rotating member and the linear moving member. As long as the first rotating member can drive the linear moving member to make a linear movement, it belongs to the protection scope of the present utility model; a gear and rack meshing movement can be set between the end of the linear moving member away from the first rotating member and the nut. As long as the linear moving member can drive the nut to rotate, it belongs to the protection scope of the present utility model.

[0039] The above driving structure 3 is a structure such as a driving motor or a hydraulic motor that can provide driving force.

[0040] In a specific embodiment of the present utility model, the transmission assembly is set as a rotational transmission assembly. The transmission assembly includes a second rotating member meshing with the output end of the driving structure 3 and a rotational transmission member cooperating with the second rotating member. Based on the rotation of the second rotating member, the rotational transmission member rotates, and one end of the rotational transmission member away from the second rotating member meshes with the nut. The output end on the driving structure 3 drives the second rotating member to rotate. The second rotating member drives the rotational transmission member to rotate around its own axis. The rotating rotational transmission member drives the nut meshing with it to rotate. Under the action of the rotation-stopping assembly, the rotating nut drives the lead screw to move up and down.

[0041] It should be understood that the output end of the driving structure 3 and the second rotating member can be set to perform worm and worm gear meshing motion or bevel gear meshing motion, etc. As long as the output end of the driving structure 3 can drive the second rotating member to rotate, it belongs to the protection scope of the present utility model; the end of the rotational transmission member away from the second rotating member and the nut can be set to perform worm and worm gear meshing motion or bevel gear meshing motion, etc. As long as the end of the rotational transmission member away from the second rotating member can drive the nut to rotate, it belongs to the protection scope of the present utility model.

[0042] The above driving structure 3 is a driving motor, a hydraulic motor, etc., which are structures capable of providing driving force.

[0043] It should be understood that the specific quantity of the above driving structure 3 is not limited. As long as it can provide driving force for the lifting structure 2, it belongs to the protection scope of the present utility model. One driving structure 3 can be provided, or multiple driving structures 3 can also be provided.

[0044] In a specific embodiment of the present utility model, as Figure 1 shown, one driving structure 3 is provided, and one driving structure 3 simultaneously provides driving force for multiple lifting structures 2.

[0045] In a specific embodiment of the present utility model, the number of driving structures 3 provided is equal to the number of lifting structures 2 provided, and each lifting structure 2 is provided with driving force through the corresponding driving structure 3.

[0046] In a specific embodiment of the present utility model, multiple driving structures 3 are provided. One driving structure 3 can simultaneously provide driving force for multiple lifting structures 2, and one driving structure 3 can also only provide driving force for one driving structure 3.

[0047] In a specific embodiment of the present utility model, in order to improve the heating efficiency, a heating avoidance groove is provided on the end face of the intermediate frequency induction coil 4 facing the pipeline to be heated, and the heating avoidance groove is adapted to the outer shape of the pipeline to be heated.

[0048] It should be understood that the above-mentioned intermediate-frequency induction coil 4 can be an intermediate-frequency coil of any specification, as long as it can heat the pipeline to be heated, it falls within the scope of protection of the present invention; the above-mentioned heating avoidance groove can be set as an arc-shaped groove, a semi-circular groove or a rectangular groove, etc., as long as it is adapted to the shape of the pipeline, it falls within the scope of protection of the present invention.

[0049] In a specific embodiment of the present invention, as Figure 1 and Figure 2 shown, the pipeline to be heated is a cylindrical pipeline, and the heating avoidance groove can be set as a semi-circular groove.

[0050] In a specific embodiment of the present invention, to ensure the synchronization of the driving of the driving structure 3, a central control unit is further included. The driving structure 3 is signal-connected to the central control unit, and the central control unit can receive and store lifting instructions, so that the central control unit controls the operating state of the driving structure 3 according to the lifting instructions.

[0051] It should be understood that the signal connection includes various forms such as wired connection or wireless connection. As long as the signal transmission can be realized, the specific connection method may not be limited.

[0052] In a specific embodiment of the present invention, a position detection element is further included. The position detection element is arranged on the intermediate-frequency induction coil 4 and is used to detect the distance between the intermediate-frequency induction coil 4 and the pipeline to be heated. Both the intermediate-frequency induction coil 4 and the position detection element are signal-connected to the central control unit.

[0053] It should be understood that the signal connection includes various forms such as wired connection or wireless connection. As long as the signal transmission can be realized, the specific connection method may not be limited.

[0054] The position detection element transmits the distance information between the intermediate-frequency induction coil 4 and the pipeline to be heated to the central control unit. The central control unit issues an instruction according to the received information. When the position detection element detects that the pipeline to be heated reaches the set position below the intermediate-frequency induction coil 4, the central control unit controls the driving structure 3 to start according to the received information. The driving structure 3 drives the lifting structure 2 to drive the intermediate-frequency induction coil 4 to move downward. When the position detection element detects that the intermediate-frequency induction coil 4 reaches the set position, the central control unit controls the driving structure 3 to close according to the received information and starts the intermediate-frequency induction coil 4 to heat the pipeline to be heated. After the heating is completed, the central control unit closes the intermediate-frequency induction coil 4 and starts the driving structure 3 according to the information detected by the position detection element. The driving structure drives the lifting structure 2 to drive the intermediate-frequency induction coil 4 to move upward to the set position.

[0055] In this specification, the various embodiments are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same or similar parts among the various embodiments, reference can be made to each other. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple. For the relevant parts, reference can be made to the description in the method section.

[0056] The above embodiments are only descriptions of the preferred modes of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A medium frequency induction coil lifting mechanism, characterized in that: include: A frame (1), wherein a lifting structure (2) and a driving structure (3) are arranged on the frame (1), wherein the driving structure (3) provides driving force for the lifting structure (2), an intermediate frequency induction coil (4) is installed at the lifting end of the lifting structure (2), and the lifting structure (2) drives the intermediate frequency induction coil (4) to move up and down; There are a plurality of lifting structures (2), and the plurality of lifting structures (2) are symmetrically arranged on a plane where the vertical center line of the intermediate frequency induction coil is located.

2. The medium frequency induction coil lifting mechanism according to claim 1, characterized in that: The lifting structure (2) comprises a lead screw, a nut, a stop assembly and a transmission assembly. The intermediate frequency induction coil (4) is connected to the lead screw. The nut is rotatably arranged on the frame (1). The lead screw and the thread of the nut cooperate. The transmission assembly is used to transmit the power of the driving structure (3) to the nut to drive the nut to rotate. The stop assembly is used to prevent the lead screw from rotating.

3. The medium frequency induction coil lifting mechanism according to claim 2 is characterized in that: The transmission assembly comprises a first rotating member meshing with the output end of the driving structure (3) and a linear moving member cooperating with the first rotating member. Based on the rotation of the first rotating member, the linear moving member moves linearly, and the moving trajectory of the linear moving member is tangent to the rotation trajectory of the nut. The end of the linear moving member away from the first rotating member is connected to the nut.

4. The medium frequency induction coil lifting mechanism according to claim 2 is characterized in that: The transmission assembly comprises a second rotating member meshed with the output end of the driving structure (3) and a rotating transmission member matched with the second rotating member, the rotating transmission member rotates based on the rotation of the second rotating member, and one end of the rotating transmission member away from the second rotating member meshes with the nut.

5. The medium frequency induction coil lifting mechanism according to claim 1, characterized in that: The driving structure (3) is provided with one, and the driving structure (3) provides driving force for a plurality of lifting structures (2) at the same time.

6. The medium frequency induction coil lifting mechanism according to claim 1, characterized in that: The number of the driving structures (3) is equal to the number of the lifting structures (2), and each lifting structure (2) is provided with driving force through the corresponding driving structure (3).

7. The medium frequency induction coil lifting mechanism according to claim 1, characterized in that: A heating avoidance groove is arranged on the end surface of the medium frequency induction coil (4) facing the pipe to be heated, and the heating avoidance groove is adapted to the shape of the pipe to be heated.

8. The medium frequency induction coil lifting mechanism according to claim 7, characterized in that: It also comprises a central control unit, the drive structure (3) being connected to the central control unit by signal, and the central control unit being capable of receiving and storing lifting instructions so that the central control unit controls the operating state of the drive structure (3) according to the lifting instructions.

9. The medium frequency induction coil lifting mechanism according to claim 8, characterized in that: It also includes an in-place detection element, which is arranged on the intermediate frequency induction coil (4) and is used to detect the distance between the intermediate frequency induction coil (4) and the pipe to be heated, and the intermediate frequency induction coil (4) and the in-place detection element are both connected to the central control unit by signal.

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