CN218592240U

CN218592240U - Circular cavity inner wall surfacing maintenance clamping assembly

Info

Publication number: CN218592240U
Application number: CN202222996134.6U
Authority: CN
Inventors: 张立中
Original assignee: Shandong Zhongzhou Additive Manufacturing Co ltd
Current assignee: Shandong Zhongzhou Additive Manufacturing Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-10
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a circular cavity inner wall centre gripping subassembly for build-up welding restoration relates to pipeline build-up welding technical field. The utility model comprises a mounting rack and a holding rack; the clamping frame is rotatably arranged on the mounting frame; the surface of the mounting base is in sliding fit with a supporting plate; the surface of the supporting plate is fixedly connected with a connecting pipe which is coaxial with the fixed pipe; annular grooves are formed in the peripheral side surfaces of the fixed pipe and the connecting pipe; the clamping frame is in running fit with the annular channel; one end of the fixed pipe is fixedly provided with an exhaust fan; the air outlet of the exhaust fan is provided with a smoke outlet pipeline; the connecting pipe is in sliding fit with a build-up welding frame; the surfacing frame is arranged on the surface of the mounting base in a sliding mode. The utility model discloses a to go out tobacco pipe way and connect outside waste gas flue gas treatment facility, start the extraction fan, in time take away a large amount of heats and the abandonment flue gas that produces the inside build-up welding of pipeline circular cavity, through the setting of filter, filter the air of taking out the connecting pipe and advancing, improve the efficiency and the quality of the inside build-up welding of pipeline circular cavity.

Description

Circular cavity inner wall surfacing maintenance clamping assembly

Technical Field

The utility model belongs to the technical field of the pipeline build-up welding, especially, relate to a circular cavity inner wall centre gripping subassembly for build-up welding restoration.

Background

Welding is an economical and rapid process method for modifying the surface of materials, and is more and more widely applied to the manufacturing and repairing of parts in various industrial departments; the metal is generally melted by electric welding or gas welding and is piled on a tool or a machine part; in the process of overlaying the pipeline, because the space of the pipeline is small, the generated heat can not be dissipated, and the efficiency and the quality of the pipeline overlaying are influenced.

Through retrieval, the publication number is CN211276918U, a pipeline cooling device for surfacing comprises a workbench, a support frame and a pair of support rods with the same structure, wherein a table leg on the left side of the workbench consists of the support frame and the pair of support rods, a pipeline through hole is formed in the workbench, a clamping structure is fixedly arranged on the upper wall surface of the workbench, and a refrigeration structure is arranged on the clamping structure and the upper wall surface of the support frame; the utility model relates to a pipeline build-up welding technical field inserts the pipeline to the pipeline downthehole back, drive gear through the motor in the clamping structure and rotate to make centre gripping arm and grip block press from both sides the pipeline tightly, clamping structure can carry out the fixed clamp to the pipeline of different diameter sizes and press from both sides, the practicality of this device has been improved, when the pipeline welds, can cool down the pipeline through refrigeration structure and handle, make the heat that the pipeline produced when the build-up welding can in time distribute away, the efficiency and the quality of pipeline build-up welding have been improved.

However, when the inner wall of the circular cavity of the pipeline is subjected to surfacing repair, a surfacing welding gun is stretched into the circular cavity of the pipeline, a large amount of heat and waste flue gas are generated in the surfacing welding process, a water pump in the device discharges cold water in a water storage tank into a clamping block through a water pumping pipe and a first water drainage pipe, the cold water in the clamping block can only be used for rapidly cooling the clamping position of the pipeline, the effect of cooling the temperature in the circular cavity of the pipeline is poor, meanwhile, a large amount of waste flue gas in the circular cavity of the pipeline is difficult to treat, and the efficiency and the quality of the surfacing welding in the circular cavity of the pipeline are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circular cavity inner wall centre gripping subassembly for build-up welding restoration, through will going out tobacco pipe way and connecting outside waste gas flue gas treatment facility, start the extraction fan, in time take away a large amount of heats and the abandonment flue gas that pipeline circular cavity inside build-up welding produced, through the setting of filter, filter the air of taking out the connecting pipe and advancing, improve the efficiency and the quality of the inside build-up welding of pipeline circular cavity.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a clamping component for the build-up welding repair of the inner wall of a circular cavity, which comprises a mounting rack and a clamping rack; the clamping frame is rotatably arranged on the mounting frame; the mounting bracket comprises a mounting base; the surface of the mounting base is fixedly connected with a fixing plate; the surface of the fixed plate is fixedly connected with a fixed pipe; the surface of the mounting base is in sliding fit with a supporting plate; the surface of the supporting plate is fixedly connected with a connecting pipe which is coaxial with the fixed pipe; annular grooves are formed in the peripheral side surfaces of the fixed pipe and the connecting pipe; the clamping frame is in running fit with the annular channel; one end of the fixed pipe is fixedly provided with an exhaust fan; the air outlet of the exhaust fan is provided with a smoke outlet pipeline; the connecting pipe is in sliding fit with a build-up welding frame; the surfacing frame is arranged on the surface of the mounting base in a sliding mode.

As a preferred technical scheme of the utility model, the surface of the installation base is provided with a sliding channel; a limiting rod is fixedly connected between the inner walls of the sliding channels; the surfacing frame comprises a sliding plate; the sliding plate and the supporting plate are in sliding fit with the limiting rod; the side surface of the sliding plate is fixedly connected with a handle.

As a preferred technical proposal of the utility model, the side surface of the sliding plate is fixedly connected with a supporting rod which is coaxially arranged with the connecting pipe; the peripheral side surface of the support rod is fixedly connected with a filter plate; the filter plate is in sliding fit with the connecting pipe; an electric push rod is vertically arranged on the circumferential side surface of the support rod downwards; the telescopic end of the electric push rod is fixedly connected with a welding gun clamp.

As a preferred technical solution of the present invention, the holding frame includes an annular plate; the annular plate is in rotating fit with the annular channel; the circumferential side surface of the annular plate is symmetrically and fixedly connected with an L-shaped plate; the opposite side surfaces of the two L-shaped plates are sequentially symmetrically and fixedly connected with sliding rods; and a clamping plate part is in sliding fit between the adjacent sliding rods.

As a preferred technical solution of the present invention, the surface of the L-shaped plate is fixedly connected with a mounting plate; a bidirectional screw rod is arranged between the two mounting plates in a penetrating and rotating manner; the clamping plate piece comprises a connecting plate; the surface of the connecting plate is symmetrically provided with sliding holes; the sliding rod is in sliding fit with the sliding hole; the side surface of the connecting plate is fixedly connected with a connecting lug; the surface of the connecting lug is provided with a threaded hole; the bidirectional screw rod is in threaded rotation fit with the threaded hole; the bottom surface of the connecting plate is fixedly connected with a V-shaped clamping plate through a vertical rod.

The utility model discloses following beneficial effect has:

1. the utility model discloses a promote the backup pad along the slip channel, adjust the interval between connecting pipe and the fixed pipe, will treat that build-up welding pipeline both ends inject connecting pipe and fixed pipe respectively in, the two-way lead screw that rotates the correspondence drives the V-arrangement splint that correspond and will treat that the build-up welding pipeline presss from both sides tightly fixedly, realizes that the centre gripping of treating the build-up welding pipeline to different length, different diameters size is fixed, has improved the practicality of device.

2. The utility model discloses a promote the weld holder along the slip channel, start electric putter and drive the welder motion that welder pressed from both sides the centre gripping to the appointed build-up welding restoration position of the circular cavity inner wall of pipeline, rotate the holder, realize restoreing easy operation, convenient to use to the rotation build-up welding of the circular cavity inner wall of pipeline.

3. The utility model discloses a to go out tobacco pipe way and connect outside waste gas flue gas treatment facility, start the extraction fan, in time take away a large amount of heats and the abandonment flue gas that produces the inside build-up welding of pipeline circular cavity, through the setting of filter, filter the air of taking out the connecting pipe and advancing, improve the efficiency and the quality of the inside build-up welding of pipeline circular cavity.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is the structural schematic diagram of the clamping assembly for build-up welding and repairing of the inner wall of the circular cavity of the utility model.

Fig. 2 is a schematic structural view of the mounting bracket.

Fig. 3 is a schematic structural view of the holder.

Fig. 4 is a schematic structural view of the jaw members.

Fig. 5 is a schematic view of the structure of the clamping frame and clamping assembly.

Fig. 6 is a schematic structural view of a build-up welding frame.

In the drawings, the components represented by the respective reference numerals are listed below:

1-mounting frame, 2-clamping frame, 3-mounting base, 4-fixing plate, 5-fixing tube, 6-supporting plate, 7-connecting tube, 8-annular groove, 9-suction fan, 10-smoke outlet pipeline, 11-overlaying frame, 12-sliding groove, 13-limiting rod, 14-sliding plate, 15-handle, 16-supporting rod, 17-filtering plate, 18-electric pushing rod, 19-welding gun clamp, 20-annular plate, 21-L-shaped plate, 22-sliding rod, 23-clamping plate, 24-mounting plate, 25-bidirectional screw rod, 26-connecting plate, 27-sliding hole, 28-connecting lug, 29-threaded hole and 30-V-shaped clamping plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

The first embodiment is as follows:

referring to fig. 1-6, the present invention relates to a clamping assembly for build-up welding and repairing of the inner wall of a circular cavity, which comprises a mounting frame 1 and a clamping frame 2; the clamping frame 2 is rotatably arranged on the mounting frame 1; the mounting frame 1 comprises a mounting base 3; the surface of the mounting base 3 is fixedly connected with a fixing plate 4; the surface of the fixed plate 4 is fixedly connected with a fixed pipe 5; the surface of the mounting base 3 is in sliding fit with a supporting plate 6; the surface of the supporting plate 6 is fixedly connected with a connecting pipe 7 which is coaxially arranged with the fixed pipe 5; the side surfaces of the peripheries of the fixed pipe 5 and the connecting pipe 7 are provided with annular grooves 8; the clamping frame 2 is in running fit with the annular channel 8; one end of the fixed pipe 5 is fixedly provided with an exhaust fan 9; the air outlet of the exhaust fan 9 is provided with a smoke outlet pipeline 10; the connecting pipe 7 is in sliding fit with a build-up welding frame 11; the build-up welding frame 11 is arranged on the surface of the mounting base 3 in a sliding mode.

One specific application of this embodiment is: the spacing between the connecting pipe 7 and the fixed pipe 5 is adjusted by pushing the supporting plate 6 along the limiting rod 13 in the sliding channel 12, two ends of the pipeline to be welded are respectively inserted into the fixed pipe 5 and the connecting pipe 7, two ends of the pipeline to be welded are clamped and fixed through the corresponding clamping plate pieces 23 on the two clamping frames 2, the position of the welding frame 11 in the pipeline to be welded is adjusted, the clamping frames 2 are rotated, and the pipeline to be welded is subjected to rotary surfacing; the pumping fan 9 is started in the surfacing process, a large amount of heat and waste flue gas in the pipeline to be surfaced are pumped away through the smoke outlet pipeline 10, and the surfacing efficiency and quality in the circular cavity of the pipeline are improved.

The second embodiment is as follows:

on the basis of the first embodiment, the present embodiment is different in that:

as shown in fig. 1, 2 and 6, a sliding channel 12 is formed on the surface of the mounting base 3; a limiting rod 13 is fixedly connected between the inner walls of the sliding channel 12; the build-up welding frame 11 comprises a sliding plate 14; the sliding plate 14 and the supporting plate 6 are in sliding fit with the limiting rod 13; a handle 15 is fixedly connected to the side surface of the sliding plate 14; the side surface of the sliding plate 14 is fixedly connected with a supporting rod 16 which is coaxial with the connecting pipe 7; the peripheral side surface of the support rod 16 is fixedly connected with a filter plate 17; the filter plate 17 is in sliding fit with the connecting pipe 7; an electric push rod 18 is vertically arranged downwards on the peripheral side surface of the support rod 16; the telescopic end of the electric push rod 18 is fixedly connected with a welding gun clamp 19.

One specific application of this embodiment is: arranging an overlaying gun on a welding gun clamp 19, controlling to start an electric push rod 18, driving the overlaying gun to descend to a specified overlaying height, pushing a sliding plate 14 on an overlaying frame 11 along a limiting rod 13 on a sliding channel 12, enabling the overlaying gun to move to a specified overlaying position on the inner wall of the circular cavity of the pipeline, rotating a clamping piece 2, and realizing rotary overlaying operation on the specified position on the inner wall of the circular cavity of the pipeline; through the setting of filter 17, take out the air that advances to connecting pipe 7 and filter, further improve the efficiency and the quality of the inside build-up welding of the circular cavity of pipeline.

The third concrete example:

on the basis of the first specific embodiment, the present embodiment is different in that:

as shown in fig. 2-5, the holder 2 includes an annular plate 20; the annular plate 20 is in rotational engagement with the annular channel 8; the peripheral side surface of the annular plate 20 is symmetrically and fixedly connected with an L-shaped plate 21; the opposite side surfaces of the two L-shaped plates 21 are sequentially symmetrically and fixedly connected with sliding rods 22; a splint component 23 is in sliding fit between the adjacent sliding rods 22; the surface of the L-shaped plate 21 is fixedly connected with a mounting plate 24; a bidirectional screw rod 25 is arranged between the two mounting plates 24 in a penetrating and rotating way; the jaw piece 23 includes a connecting plate 26; the surface of the connecting plate 26 is symmetrically provided with sliding holes 27; the slide bar 22 is in sliding fit with the slide hole 27; the side surface of the connecting plate 26 is fixedly connected with a connecting lug 28; the surface of the connecting lug 28 is provided with a threaded hole 29; the bidirectional screw rod 25 is in threaded rotation fit with the threaded hole 29; the bottom surface of the connecting plate 26 is fixedly connected with a V-shaped clamping plate 30 through a vertical rod.

One specific application of this embodiment is: the two-way screw rod 25 on the clamping frame 2 is rotated to drive the corresponding V-shaped clamping plates 30 on the two groups of clamping plate members 23 to descend along the sliding rod 22, so that the two ends of the pipeline to be subjected to surfacing welding are clamped and fixed.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A clamping assembly for surfacing and repairing the inner wall of a circular cavity comprises a mounting frame (1) and a clamping frame (2); the clamping frame (2) is rotatably arranged on the mounting frame (1);

the method is characterized in that:

the mounting frame (1) comprises a mounting base (3); the surface of the mounting base (3) is fixedly connected with a fixing plate (4); the surface of the fixing plate (4) is fixedly connected with a fixing pipe (5); a support plate (6) is in sliding fit with the surface of the mounting base (3); the surface of the supporting plate (6) is fixedly connected with a connecting pipe (7) which is coaxial with the fixed pipe (5); annular grooves (8) are formed in the peripheral side surfaces of the fixed pipe (5) and the connecting pipe (7); the clamping frame (2) is in running fit with the annular channel (8);

one end of the fixed pipe (5) is fixedly provided with an exhaust fan (9); an air outlet of the exhaust fan (9) is provided with a smoke outlet pipeline (10); the connecting pipe (7) is in sliding fit with a build-up welding frame (11); the surfacing frame (11) is arranged on the surface of the mounting base (3) in a sliding mode.

2. The clamping assembly for the build-up welding repair of the inner wall of the circular cavity is characterized in that the surface of the mounting base (3) is provided with a sliding channel (12); a limiting rod (13) is fixedly connected between the inner walls of the sliding channels (12); the overlaying frame (11) comprises a sliding plate (14); the sliding plate (14) and the supporting plate (6) are in sliding fit with the limiting rod (13); the side surface of the sliding plate (14) is fixedly connected with a handle (15).

3. The clamping assembly for the build-up welding repair of the inner wall of the circular cavity is characterized in that a supporting rod (16) which is coaxially arranged with the connecting pipe (7) is fixedly connected to the side surface of the sliding plate (14); the peripheral side surface of the supporting rod (16) is fixedly connected with a filtering plate (17); the filter plate (17) is in sliding fit with the connecting pipe (7); an electric push rod (18) is vertically arranged on the circumferential side surface of the support rod (16) downwards; the telescopic end of the electric push rod (18) is fixedly connected with a welding gun clamp (19).

4. The assembly according to claim 1, wherein the holder (2) comprises an annular plate (20); the annular plate (20) is in rotating fit with the annular channel (8); the peripheral side surface of the annular plate (20) is symmetrically and fixedly connected with an L-shaped plate (21); the opposite side surfaces of the two L-shaped plates (21) are sequentially and symmetrically fixedly connected with sliding rods (22); and a splint component (23) is in sliding fit between the adjacent sliding rods (22).

5. The clamping assembly for the build-up welding repair of the inner wall of the circular cavity is characterized in that a mounting plate (24) is fixedly connected to the surface of the L-shaped plate (21); a bidirectional screw rod (25) is arranged between the two mounting plates (24) in a penetrating and rotating way; the jaw piece (23) comprises a connecting plate (26); sliding holes (27) are symmetrically formed in the surface of the connecting plate (26); the sliding rod (22) is in sliding fit with the sliding hole (27); the side surface of the connecting plate (26) is fixedly connected with a connecting lug (28); the surface of the connecting lug (28) is provided with a threaded hole (29); the bidirectional screw rod (25) is in threaded rotation fit with the threaded hole (29); the bottom surface of the connecting plate (26) is fixedly connected with a V-shaped clamping plate (30) through a vertical rod.