Heating device for pressure steel pipe welding area

Abstract

The utility model discloses a pressure steel pipe welding area heating device, which relates to the field of pressure steel pipe manufacturing and comprises a support frame, rollers are symmetrically and fixedly mounted at the bottoms of two sides of the support frame, hydraulic cylinder bodies are symmetrically arranged at the bottoms of two sides of the support frame, and positioning plates are fixedly mounted at the output ends of the hydraulic cylinder bodies. Sliding grooves are symmetrically formed in the front face of the supporting frame. A movable assembly used for vertically moving is arranged in the top of the supporting frame. According to the pressure steel pipe welding area heating device, the rollers and the hydraulic cylinder body are arranged, the heating device can be conveniently and rapidly moved and fixed, the servo motor body and the moving plate are arranged, the height of the heating device can be conveniently adjusted, and the heating requirements of different pressure steel pipe welding areas are met; and a telescopic air cylinder body, a supporting arm and a steel wire body are arranged, so that the heating device can be flexibly adjusted according to the pressure steel pipes with different diameter specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure steel pipe manufacturing technical field, concretely is a pressure steel pipe welding area heating device. BACKGROUND

[0002] In the manufacturing process of pressure steel pipe, welding is a vital link, in order to reduce welding stress and deformation, improve welding quality, speed up welding speed and improve efficiency, and adapt to different welding environment and condition, usually pressure steel pipe welding area is heated, thereby needing to use heating device, the existing heating device when using, because the heating device structure is complex, for different specifications steel pipe, possibly need to replace different heating device.

[0003] In order to overcome the above-mentioned defects, the prior art (application number: 201910584740.7, the application date is July 1, 2019 Chinese patent) discloses a movable high-strength steel pressure steel pipe girth welding heating device, including support mechanism, the support mechanism has the L type structure that is made by horizontal part and vertical part for splicing;The heating sheet bracket is connected with the vertical part through the telescopic mechanism;The heating sheet bracket has arc cross section structure;The crawler type heating sheet is fixedly connected with the inner concave side of the heating sheet bracket;The telescopic mechanism is used to drive the heating sheet bracket to approach or away from the pressure steel pipe to be heated, so that the heating sheet bracket drives the crawler type heating sheet to approach or away from the pressure steel pipe to be heated, the device provided in the application can be adjusted according to the position of the steel pipe, so that the heating sheet approaches the steel pipe wall, in the process of roller frame rotation, the effect of preheating before pressure steel pipe girth welding and postwelding heat is played, has the advantages of fast heating speed, high utilization, remarkable energy saving effect, safe and reliable to use etc.

[0004] Although the prior art can adjust the heating device according to the position of the steel pipe, since the device is only supported and moved by the walking wheel, but after moving to the appropriate position, it can not be stably fixed, which can easily lead to movement or shaking of the device during heating, affecting the subsequent heating effect, and the device lacks height adjustment function, can not meet the welding needs of pressure steel pipes of different heights, limits the applicability of the device, and the telescopic mechanism is insufficient to ensure the stability of the heating sheet during heating, so that the heating sheet is easily shaken, thereby affecting the uniformity and efficiency of heating.

[0005] Therefore we put forward a kind of pressure steel pipe welding area heating device can well solve the above problems. Utility model content

[0006] The utility model discloses a pressure steel pipe welding area heating device to solve the problem that the current heating device is not stable in the heating process, and the heating effect is affected.

[0007] To realize above-mentioned purpose, the utility model provides the following technical scheme: a pressure steel pipe welding area heating device, including support frame, the bottom symmetry fixed mounting of support frame both sides has the gyro wheel, the bottom symmetry of support frame both sides is provided with hydraulic cylinder body, the output of hydraulic cylinder body is fixedly installed with the locating plate, the front symmetry of support frame is set up with the sliding slot;The inside of support frame top is provided with the movable assembly for vertical movement, and the movable assembly includes servo motor body, and the output shaft of servo motor body is fixedly installed with screw rod through the shaft coupling;The outer wall movable connection of screw rod has the thread sleeve, and the front of thread sleeve is fixedly installed with the moving plate, and the front of moving plate is provided with heating assembly for telescopic.

[0008] As the preferred technical scheme of the application, the heating assembly includes a telescopic air cylinder body, the output end of the telescopic air cylinder body is rotatably connected with a heating plate, the inside of the heating plate is provided with a heating element body, the rear of the top of the heating plate is fixedly installed with a steel wire ring, the outer wall of the steel wire ring is fixedly connected with a steel wire body, the distal end of the steel wire body is connected with a steel wire retractor body, and the front of the steel wire retractor body is fixedly connected with the support frame, and the top of the support frame is fixedly installed with a guide wheel.

[0009] As the preferred technical scheme of the application, the two sides of the moving plate are fixedly installed with sliding plates, and the inner wall of the sliding plates penetrates the sliding slot, the front of the moving plate is fixedly installed with a lower rotary seat, the inside of the lower rotary seat is rotatably connected with a support arm, the top of the support arm is rotatably connected with an upper rotary seat, and the front of the upper rotary seat is fixedly installed with a heating plate.

[0010] As the preferred technical scheme of the application, the locating plate is driven by the hydraulic cylinder body, and the bottom of the locating plate is fixedly connected with an antiskid pad, the locating plate is driven downward by the output end of the hydraulic cylinder body, so that the antiskid pad connected with the locating plate gradually moves until it is attached to the ground.

[0011] As the preferred technical scheme of the present application, the sliding plate is in sliding connection with the sliding groove, the sliding plate is in fixed connection with both the moving plate and the threaded sleeve, and the threaded sleeve is in moving connection with the screw rod, so that the sliding plate is driven to slide in the corresponding sliding groove during the movement of the moving plate, thereby increasing the guidance and stability of the movement of the moving plate.

[0012] As the preferred technical scheme of the present application, the heating plate is driven by the telescopic cylinder body, the heating plate is tightly attached to the heating element body, and the heating plate is driven by the output end of the telescopic cylinder body to move horizontally along with the horizontal movement of the heating plate.

[0013] As the preferred technical scheme of the present application, the steel wire body is in movable connection with the guide wheel, and the steel wire body is in winding connection with the steel wire retractor body, so that the movement of the heating plate also drives the steel wire ring and the connected steel wire body, and the steel wire body is retracted and released on the steel wire retractor body through the guide wheel.

[0014] Compared with the prior art, the pressure steel pipe welding area heating device has the advantages that: the rollers and the hydraulic cylinder body are arranged, so that the heating device can be quickly moved and fixed, the servo motor body and the moving plate are arranged, so that the height of the heating device can be adjusted to meet different pressure steel pipe welding area heating requirements, the telescopic cylinder body, the support arm and the steel wire body are arranged, so that the heating device can be flexibly adjusted according to pressure steel pipes of different diameter specifications, and the specific content is shown as follows:

[0015] 1. The rollers and the hydraulic cylinder body are arranged, the heating plate is driven to move by the rollers, the positioning plate connected with the anti-skid pad is attached to the ground by the hydraulic cylinder body, the support frame is fixed, movement during the subsequent heating process is prevented, and the heating device can be quickly moved and fixed.

[0016] Further, the servo motor body and the moving plate are arranged, the threaded sleeve connected with the screw rod is vertically moved by the servo motor body, the moving plate is moved by the threaded sleeve connected with the heating plate of the telescopic cylinder body, the height of the heating device can be adjusted to meet different pressure steel pipe welding area heating requirements.

[0017] 2. The telescopic cylinder body, the support arm and the steel wire body are arranged, the heating plate is horizontally moved by the output end of the telescopic cylinder body until it is attached to the area to be welded of the pressure steel pipe, the movement of the support arm and the retraction and release operation of the steel wire body are coordinated, the stability of the heating plate during the movement is increased, and the heating device can be flexibly adjusted according to pressure steel pipes of different diameter specifications. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view structure schematic diagram of the utility model;

[0019] Figure 2 It is the support frame side view section structure schematic diagram of the utility model;

[0020] Figure 3 It is the support frame local structure schematic diagram of the utility model;

[0021] Figure 4 It is the screw rod, threaded sleeve and heating plate local structure schematic diagram of the utility model;

[0022] Figure 5 It is the utility model Figure 1 The enlarged structure schematic diagram of A place in the middle;

[0023] Figure 6 It is the utility model Figure 4 The enlarged structure schematic diagram of B place in the middle.

[0024] In the drawing: 1, support frame; 2, roller; 3, hydraulic cylinder body; 4, positioning plate; 5, sliding groove; 6, servo motor body; 7, screw rod; 8, threaded sleeve; 9, moving plate; 10, sliding plate; 11, telescopic cylinder body; 12, heating plate; 13, heating element body; 14, lower rotating seat; 15, support arm; 16, upper rotating seat; 17, steel wire ring; 18, steel wire body; 19, guide wheel; 20, steel wire retractor body. Specific implementation

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides the following technical scheme:

[0027] Embodiment one: the heating device on the market is conveniently solved when using, because the device is only supported and moved by walking wheels, but after being moved to the appropriate position, it can not be fixed stably, which can easily lead to the movement or shaking of the device during the heating process, affect the subsequent heating effect, and the device lacks height adjustment function, can not satisfy the pressure steel pipe welding demand of different height, limit the applicability of the device, the pressure steel pipe welding area heating device in the embodiment discloses the following technical content, can refer to the attached Figure 1 -attached Figure 6, including support frame 1, the bottom of both sides of support frame 1 symmetrically fixedly installed with the roller 2, the bottom of both sides of support frame 1 symmetrically provided with hydraulic cylinder body 3, the output end of hydraulic cylinder body 3 fixedly installed with positioning plate 4, the front of support frame 1 symmetrically provided with sliding groove 5;The inside of the top of support frame 1 is provided with a movable assembly for vertical movement, the movable assembly comprises servo motor body 6, the output shaft of servo motor body 6 is fixedly connected with screw rod 7 through coupling;The outer wall of screw rod 7 is movably connected with threaded sleeve 8, the front of threaded sleeve 8 is fixedly installed with moving plate 9, the front of moving plate 9 is provided with a heating assembly for telescopic movement;The both sides of moving plate 9 are fixedly installed with sliding plate 10, and the inner wall of sliding plate 10 penetrates through sliding groove 5;Positioning plate 4 is driven by hydraulic cylinder body 3, and the bottom of positioning plate 4 is fixedly connected with a non-slip pad;Sliding plate 10 and sliding groove 5 are connected by sliding, and sliding plate 10 and moving plate 9 and threaded sleeve 8 are connected by fixing, and threaded sleeve 8 and screw rod 7 are connected by moving.

[0028] The support frame 1 is pushed by the staff, so that the support frame 1 drives the roller 2 to slide on the ground, so that the support frame 1 drives the heating plate 12 to move to the position where the heating plate 12 needs to be heated in the welding area of the pressure steel pipe, and the hydraulic cylinder body 3 is started at the same time through the external control panel, so that the output end of the hydraulic cylinder body 3 drives the positioning plate 4 to move downward, so that the non-slip pad connected with the positioning plate 4 gradually moves until it is attached to the ground, so that the roller 2 connected with the support frame 1 is suspended, so that the support frame 1 is fixed, preventing movement during subsequent heating process, realizing quick movement and fixing of the heating device, when the heating plate 12 moves to the position where the heating plate 12 needs to be heated in the welding area of the pressure steel pipe, according to the position of the pressure steel pipe, the servo motor body 6 is started through the external control panel, so that the output shaft of the servo motor body 6 drives the screw rod 7 to rotate, so that the screw rod 7 drives the threaded sleeve 8 connected therewith to move vertically, so that the threaded sleeve 8 further drives the moving plate 9 connected therewith to move through the telescopic cylinder body 11 connected with the heating plate 12, in the process of moving the moving plate 9 drives the sliding plate 10 to slide in the corresponding sliding groove 5, increasing the guiding property and stability of the moving plate 9, so that the heating plate 12 moves to the matching height of the pressure steel pipe, realizing height adjustment of the heating device, meeting the heating demand of different pressure steel pipe welding areas.

[0029] In the embodiment, the pressure steel pipe welding area heating device discloses the following technical content, which is convenient for the heating device to be flexibly adjusted according to different diameter specifications of the pressure steel pipe, and can be referred to in the description of the drawings Figure 1 -Appendix Figure 2 And appendix Figure 4The heating assembly comprises a telescopic cylinder body 11, the output end of the telescopic cylinder body 11 is rotationally connected with a heating plate 12, the inside of the heating plate 12 is provided with a heating element body 13, the rear of the top of the heating plate 12 is fixedly installed with a steel wire ring 17, the outer wall of the steel wire ring 17 is fixedly connected with a steel wire body 18, the tail end of the steel wire body 18 is connected with a steel wire feeder body 20, and the front of the steel wire feeder body 20 is fixedly connected with a support frame 1, and the top of the support frame 1 is fixedly installed with a guide wheel 19; the front of the moving plate 9 is fixedly installed with a lower rotary seat 14, the inside of the lower rotary seat 14 is rotationally connected with a support arm 15, the top of the support arm 15 is rotationally connected with an upper rotary seat 16, and the front of the upper rotary seat 16 is fixedly installed with the heating plate 12; the heating plate 12 is driven by the telescopic cylinder body 11, and the heating plate 12 is tightly attached to the heating element body 13; the steel wire body 18 and the guide wheel 19 are movably connected, and the steel wire body 18 and the steel wire feeder body 20 are woundly connected.

[0030] When the heating plate 12 moves to the matching height of the pressure steel pipe, the staff starts the telescopic cylinder body 11 through the external control panel according to the diameter specification of the pressure steel pipe, so that the output end of the telescopic cylinder body 11 drives the heating plate 12 to move horizontally, along with the horizontal movement of the heating plate 12, the upper rotary seat 16 moves and drives the support arm 15 to rotate relative to the lower rotary seat 14, so that the support arm 15 moves, the movement of the support arm 15 increases the stability of the heating plate 12 in the movement process, and meanwhile the movement of the heating plate 12 also drives the steel wire ring 17 and the steel wire body 18 connected therewith, so that the steel wire body 18 is reeled on the steel wire feeder body 20 through the guide wheel 19, further enhancing the stability of the movement of the heating plate 12, so that the movement of the heating plate 12 is until the heating plate 12 is attached to the area to be welded of the pressure steel pipe, and then the heating element body 13 arranged in the heating plate 12 starts to work, so as to heat the pressure steel pipe and prepare for the subsequent welding operation, realizing flexible adjustment of the heating device according to the pressure steel pipes with different diameter specifications.

[0031] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, the person skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A heating device for the welding area of ​​a pressure steel pipe, comprising a support frame (1), rollers (2) are symmetrically fixedly installed on the bottom of both sides of the support frame (1), hydraulic cylinder bodies (3) are symmetrically arranged on the bottom of both sides of the support frame (1), a positioning plate (4) is fixedly installed on the output end of the hydraulic cylinder body (3), and sliding grooves (5) are symmetrically opened on the front side of the support frame (1). Its features are: The support frame (1) has an internal movable component for vertical movement at the top. The movable component includes a servo motor body (6), and the output shaft of the servo motor body (6) is fixedly mounted with a screw (7) via a coupling. The outer wall of the screw (7) is movably connected to a threaded sleeve (8), and a movable plate (9) is fixedly installed on the front side of the threaded sleeve (8). A heating component for telescopic extension is provided on the front side of the movable plate (9).

2. The heating device for the welding area of ​​a pressure steel pipe according to claim 1, characterized in that: The heating assembly includes a telescopic cylinder body (11), the output end of which is rotatably connected to a heating plate (12), a heating element body (13) is provided inside the heating plate (12), a wire ring (17) is fixedly installed on the back of the top of the heating plate (12), a wire body (18) is fixedly connected to the outer wall of the wire ring (17), a wire retractor body (20) is connected to the end of the wire body (18), and a support frame (1) is fixedly connected to the front of the wire retractor body (20), and a guide wheel (19) is fixedly installed on the top of the support frame (1).

3. The heating device for the welding area of ​​a pressure steel pipe according to claim 1, characterized in that: Sliding plates (10) are fixedly installed on both sides of the movable plate (9), and the inner wall of the sliding plate (10) is penetrated by a sliding groove (5). A lower rotating seat (14) is fixedly installed on the front of the movable plate (9). A support arm (15) is rotatably connected inside the lower rotating seat (14). An upper rotating seat (16) is rotatably connected to the top of the support arm (15). A heating plate (12) is fixedly installed on the front of the upper rotating seat (16).

4. The heating device for the welding area of ​​a pressure steel pipe according to claim 1, characterized in that: The positioning plate (4) is driven by the hydraulic cylinder body (3), and an anti-slip pad is fixedly connected to the bottom of the positioning plate (4).

5. The heating device for the welding area of ​​a pressure steel pipe according to claim 3, characterized in that: The sliding plate (10) is slidably connected to the sliding groove (5), the sliding plate (10) is fixedly connected to the moving plate (9) and the threaded sleeve (8), and the threaded sleeve (8) is movably connected to the screw (7).

6. The heating device for the welding area of ​​a pressure steel pipe according to claim 2, characterized in that: The heating plate (12) is driven by the telescopic cylinder body (11), and the heating plate (12) and the heating element body (13) are in close contact.

7. A heating device for the welding area of ​​a pressure steel pipe according to claim 2, characterized in that: The steel wire body (18) is movably connected to the guide wheel (19), and the steel wire body (18) is wound with the steel wire retractor body (20).

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