Operating frame for welding circulating water pipe

Abstract

The utility model discloses an operating frame for welding a circulating water pipe, which comprises an inverted U-shaped frame body capable of being erected outside the circulating water pipe, the frame body comprises two groups of vertical frames, the two groups of vertical frames are connected by a plurality of first support rods and are oppositely arranged, and each vertical frame comprises an inner U-shaped rod and an outer U-shaped rod of which arc-shaped parts are arranged in a concentric circle; a plurality of second supporting rods are arranged between the inner U-shaped rod and the outer U-shaped rod for connection; the frame body further comprises a pedal, and the pedal can be erected on the second supporting rods which are equal in height and opposite in the two vertical frames at the same time. The two bottom ends of the inverted-U-shaped frame body are each provided with a bottom plate, self-locking universal wheels are arranged at the bottoms of the bottom plates, and height-adjustable supporting legs are arranged at the four corners of each bottom plate. By the adoption of the operation frame, workers do not need to climb on the cambered-surface pipe body during welding, and construction safety of welding of the circulating water pipe is guaranteed; the operation frame can move quickly in a labor-saving mode, and frequent erection and disassembly of a traditional scaffold are not needed; the height of the operation frame can be finely adjusted to ensure that the operation frame is horizontally placed on the ground.

Description

Technical Field

[0001] This utility model relates to the field of circulating water pipe welding technology, specifically to an operating frame for welding circulating water pipes. Background Technology

[0002] Welding of circulating water pipes is a crucial part of power plant construction. The welding process involves first hoisting individual pipe sections into the foundation pit, then aligning and welding them. For large-diameter circulating water pipes, scaffolding is typically erected alongside the pipes as an auxiliary platform. However, the scaffolding erected on-site often lacks balance, posing safety hazards for workers climbing on the curved pipe surfaces. Furthermore, the long circulating water pipe lines include multiple welding nodes, and the frequent erection and dismantling of scaffolding impacts welding efficiency and quality. This not only prolongs the construction period and delays the project progress but also results in a large workload, wasting limited labor resources and increasing construction costs. Therefore, this utility model aims to propose an operating frame for welding circulating water pipes to solve the aforementioned technical problems. Utility Model Content

[0003] In order to overcome the technical problems described in the prior art, the purpose of this utility model is to provide an operating frame for welding circulating water pipes.

[0004] This utility model discloses an operating frame for welding circulating water pipes, comprising an inverted U-shaped frame body capable of being erected outside the circulating water pipe. The frame body includes two sets of uprights, which are connected by several first support rods and arranged opposite each other. Each upright includes an inner U-shaped rod and an outer U-shaped rod with concentric arc sections, and several second support rods are provided between the inner U-shaped rod and the outer U-shaped rod for connection. The frame body also includes a footboard, which can be simultaneously placed on the second support rods of equal height and opposite each other within the two sets of uprights. The inverted U-shaped frame body has a base plate with self-locking casters at both bottom ends, and adjustable-height support legs at the four corners of the base plate.

[0005] As a preferred technical solution, the base plate is provided with threaded through holes at all four corners, and the support leg includes a screw that can be screwed into the threaded through hole. The top end of the screw is provided with a handle, and the bottom end of the screw is provided with a pad.

[0006] As a preferred technical solution, the base plate is provided with four sets of horizontally outward extensions, and the threaded through holes are opened on the extensions.

[0007] As a preferred technical solution, the base plate is fixedly equipped with a level bubble for observing the levelness after the outriggers are adjusted.

[0008] As a preferred technical solution, anti-detachment grooves are provided on both sides of the bottom of the pedal to match the second support rod.

[0009] As a preferred technical scheme, the first support rod is connected to two groups of the inner U-shaped rods or two groups of the outer U-shaped rods.

[0010] As a preferred technical scheme, at least one group of the first support rods is arranged between the arc-shaped portions of the two groups of the outer U-shaped rods to serve as a safety rope hanging point.

[0011] As a preferred technical scheme, the operating frame further comprises an arc-shaped baffle and a plurality of vertical baffles attached to the outer surface of the frame body.

[0012] As a preferred technical scheme, a plurality of hoops are arranged on the inner side walls of the arc-shaped baffle and the vertical baffles, and the hoops are used to tightly fix the inner U-shaped rods or the outer U-shaped rods.

[0013] As a preferred technical scheme, a vertical shielding portion attached to the lower side of the frame body in the inverted U shape is provided with a door cavity, and a movable door plate is arranged in the door cavity.

[0014] In summary, the operating frame has the following technical effects:

[0015] The operating frame for the circulating water pipe welding comprises a frame body in an inverted U shape capable of being arranged outside the circulating water pipe, the frame body comprises two groups of vertical frames, the two groups of vertical frames are connected by a plurality of first support rods to be arranged in opposite positions, the vertical frame comprises inner U-shaped rods and outer U-shaped rods with arc-shaped portions arranged in concentric circles, and a plurality of second support rods are arranged between the inner U-shaped rods and the outer U-shaped rods to be connected; the frame body further comprises a pedal capable of being arranged on the second support rods with the same height and opposite positions in the two groups of vertical frames; wherein, the frame body in the inverted U shape is provided with a bottom plate with self-locking universal wheels arranged at the two bottom ends, and the four corners of the bottom plate are provided with supporting legs with adjustable height. The operating frame for the circulating water pipe welding with the above structure has the following technical advantages: 1. The frame body in the inverted U shape capable of being arranged outside the circulating water pipe is adopted, so that the worker does not need to climb on the arc-shaped pipe body during welding, and the construction safety of the circulating water pipe welding is effectively ensured; 2. The self-locking universal wheels are used to push the operating frame to move outside the circulating water pipe to be welded quickly and labor-saving, and the complicated process of setting up and removing the traditional scaffold is reduced; 3. The four corners of the bottom plate of the frame body are provided with supporting legs with adjustable height and level bubbles, so that the height of the operating frame is adjusted to ensure that the operating frame is always placed horizontally on the ground, so that the welding work is more safe and reliable. Therefore, compared with the conventional scaffold arranged beside the pipe, the operating frame for the circulating water pipe welding has obvious technical advantages. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a perspective structural schematic diagram of the operating frame for welding circulating water pipes provided by some embodiments;

[0018] Figure 2 It is a perspective structural schematic diagram of the frame body provided by some embodiments;

[0019] Figure 3 It is another angle perspective structural schematic diagram of the frame body provided by some embodiments;

[0020] Figure 4 It is a side view structural schematic diagram of the pedal provided by some embodiments;

[0021] In the drawings, the following signs are as follows:

[0022] 1 - operating frame, 21 - arc-shaped baffle, 22 - vertical baffle, 221 - movable door plate, 31 - outer U-shaped rod, 32 - inner U-shaped rod, 41 - first supporting rod, 42 - second supporting rod, 5 - pedal, 51 - anti-falling groove, 6 - bottom plate, 61 - extension, 62 - self-locking universal wheel, 7 - screw rod, 71 - handle, 72 - backing plate, 8 - level bubble, 9 - hoop. DETAILED DESCRIPTION

[0023] The technical solutions in the present embodiment will be described clearly and completely in combination with the drawings in the present embodiment. The described embodiments in the present text are only for the purpose of illustration, and are not used to limit the protection scope of the present application, so it should be understood that various modifications and changes can be made to the present embodiment without departing from the protection scope of the present application.

[0024] In the description of the present application, unless otherwise explicitly specified and limited, the term "and / or" includes any combination and all combinations of one or more associated listed items. Unless otherwise specified or explained, the terms "connection", "fixation" and the like should be understood broadly, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; "connection" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Further, in the description of the utility model, need understanding is, the orientation word described in the embodiment is described with the angle shown in the drawing, should not be understood as the limitation of the embodiment. It also needs to be understood that in the context, when referring to an element or feature connected with another element (one or more), it can not only be directly connected with another element (one or more), but also indirectly connected with another element (one or more) through intermediate elements.

[0026] Before introducing the technical scheme of the utility model, it is necessary to expound the creation background of the invention and creation of the utility model: the circulating water pipe welding is an important part in the construction of power station, when carrying out the circulating water pipe welding operation, first hoist single section pipeline and place into the foundation pit, then align and weld each single section pipeline, for the circulating water pipe of large pipe diameter, usually need to set up scaffold beside the pipeline as auxiliary platform to complete welding. However, the balance of the scaffold set up on site is poor, and there is certain safety hazard when the worker climbs on the arc surface pipe body, in addition, the circulating water pipeline is long and includes multiple welding nodes, and the scaffold is set up and removed frequently, which affects the welding efficiency and welding quality, not only the construction period is long, delays the engineering progress, and the construction workload is large, waste the limited labor resources, increases the construction cost.

[0027] Please refer to Figures 1 to 3The utility model exemplary embodiment provides a kind of operation frame 1 for circulating water pipe welding, it includes the frame body that can be erected in the outside of circulating water pipe in inverted U type, this frame body makes worker when welding circulating water pipe not need to climb on cambered pipe body, effectively guarantee the construction safety of circulating water pipe welding;Specifically, frame body includes two groups of vertical frame, and the first support rod 41 of several is connected between two groups of vertical frame and is oppositely arranged, vertical frame includes the inner U type rod 32 and outer U type rod 31 of the concentric circle setting of arc portion, it should be understood that outer U type rod 31 is located above inner U type rod 32, and several second support rods 42 are equipped between inner U type rod 32 and outer U type rod 31 to connect, it needs to be explained, to guarantee the structural stability of frame body whole, the quantity of first support rod 41 and second support rod 42 is not specifically limited in the utility model, in addition, second support rod 42 is preferably arranged in the straight line portion of two groups of vertical frame, so that subsequent pedal 5 is set up;Frame body also includes pedal 5, pedal 5 can be set up on the second support rod 42 of two groups of vertical frame in isometric and opposite, for this, worker can stand on pedal 5 and weld above the cambered pipe body of circulating water pipe;Wherein, the two bottom ends of frame body of inverted U type are equipped with the bottom plate 6 of bottom configuration self-locking universal wheel 62, after connecting a section, just by self-locking universal wheel 62 can the operation frame 1 of circulating water pipe outside be moved fast and labor-saving next section welding, greatly reduce the cumbersome procedure, such as the setting up dismantling of traditional scaffold, and the bottom plate 6 four corners are equipped with the support leg of adjustable height, the height of operation frame 1 can be realized fine adjustment to guarantee that operation frame 1 is always horizontally placed on ground, so as to ensure that welding work is more safe and reliable.

[0028] Please refer to Figure 2 And Figure 3 , the support leg will be described as follows:

[0029] As a preferred technical scheme, the bottom plate 6 is provided with threaded through holes at four corners, the supporting legs include threaded rods 7 capable of being screwed into the threaded through holes, the threaded rods 7 are provided with rotating handles 71 at top ends, and the threaded rods 7 are provided with base plates 72 at bottom ends to enhance supporting stability on the ground. When the rotating handle 71 is rotated, the threaded rod 7 is rotated in the threaded through hole, thereby driving the bottom plate 6 and the frame body to be finely adjusted in height. Therefore, the height of each supporting leg of the bottom plate 6 can be adjusted according to the level of the ground to ensure that the frame body is always placed horizontally on the ground, thereby ensuring vertical stability of the frame body. Further, the bottom plate 6 is fixedly provided with a bubble level 8 for observing the level after the supporting legs are adjusted. The bubble level 8 is used to assist in observing the level after the supporting legs are adjusted to ensure that the frame body is horizontally consistent on both sides. Further, the bottom plate 6 is provided with four groups of extending parts 61 horizontally outward, and the threaded through holes are formed in the extending parts 61. By adopting such a design, the position of the bubble level 8 can be observed in time when the height of each supporting leg of the bottom plate 6 is adjusted, and the bubble level 8 is not blocked by other structures, such as the arc-shaped baffle 21 and the vertical baffles 22 mentioned below which are attached to the outer surface of the frame body.

[0030] Please refer to Figure 4 As a preferred technical scheme, the bottom plate 6 is provided with threaded through holes at four corners, the supporting legs include threaded rods 7 capable of being screwed into the threaded through holes, the threaded rods 7 are provided with rotating handles 71 at top ends, and the threaded rods 7 are provided with base plates 72 at bottom ends to enhance supporting stability on the ground. When the rotating handle 71 is rotated, the threaded rod 7 is rotated in the threaded through hole, thereby driving the bottom plate 6 and the frame body to be finely adjusted in height. Therefore, the height of each supporting leg of the bottom plate 6 can be adjusted according to the level of the ground to ensure that the frame body is always placed horizontally on the ground, thereby ensuring vertical stability of the frame body. Further, the bottom plate 6 is fixedly provided with a bubble level 8 for observing the level after the supporting legs are adjusted. The bubble level 8 is used to assist in observing the level after the supporting legs are adjusted to ensure that the frame body is horizontally consistent on both sides. Further, the bottom plate 6 is provided with four groups of extending parts 61 horizontally outward, and the threaded through holes are formed in the extending parts 61. By adopting such a design, the position of the bubble level 8 can be observed in time when the height of each supporting leg of the bottom plate 6 is adjusted, and the bubble level 8 is not blocked by other structures, such as the arc-shaped baffle 21 and the vertical baffles 22 mentioned below which are attached to the outer surface of the frame body.

[0031] Please refer to Figure 2 and Figure 3 The first supporting rod 41 is connected to two groups of the inner U-shaped rods 32 or two groups of the outer U-shaped rods 31. As a preferred technical scheme, at least one group of the first supporting rods 41 is arranged between the arc-shaped parts of the two groups of the outer U-shaped rods 31, that is, the first supporting rod 41 is located at a relatively high position and can be used as a hanging point of a safety rope.

[0032] In order to prevent the welding from being affected by wind and rain, as a preferred technical scheme, please refer to Figure 1 The operating frame 1 further includes arc-shaped baffles 21 and vertical baffles 22 attached to the outer surface of the frame body. The arc-shaped baffles 21 and the vertical baffles 22 shield the outer surface of the frame body, thereby playing a role of shielding wind and rain and preventing the welding forming quality from being affected by wind and rain. As a preferred technical scheme, the inner side walls of the arc-shaped baffles 21 and the vertical baffles 22 are provided with a plurality of hoops 9 for clamping and fixing the inner U-shaped rods 32 or the outer U-shaped rods 31. In addition, the vertical baffles attached to the lower side of the frame body in the inverted U shape are provided with door cavities, and the door cavities are provided with movable door plates 221. The movable door plates 221 can prevent rainwater from entering and facilitate the transmission of construction materials and the use of operators.

[0033] In summary, the circulating water pipe welding operation frame with the above structure has the following technical advantages:

[0034] 1, the utility model discloses a inverted U type can be erected in the circulating water pipe outside the frame body, so that the worker welds without climbing on the cambered pipe body, effectively guarantees the construction safety of circulating water pipe welding;

[0035] 2, the utility model discloses a self-locking universal wheel and promotes the operation frame to be welded outside the circulating water pipe fast and laborsaving movement, reduces the complicated process of traditional scaffold erection and removal;

[0036] 3, the utility model discloses the bottom plate four corners of frame body are equipped with the adjustable height's supporting leg cooperation level bubble, realizes the height fine adjustment of operation frame to guarantee that operation frame is always horizontally placed on the ground, thereby ensure that the welding work is more safe and reliable.

[0037] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the utility model, rather than limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for some technical features thereof; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. An operating frame for welding circulating water pipes, characterized in that, The frame body capable of being erected outside the circulating water pipe comprises two groups of vertical frames connected by a plurality of first support rods in opposite positions, the vertical frame comprises an inner U-shaped rod and an outer U-shaped rod arranged in concentric circles, and a plurality of second support rods are arranged between the inner U-shaped rod and the outer U-shaped rod for connection; the frame body further comprises a footboard capable of being placed on the second support rods in the vertical frames at the same height and in opposite positions; wherein the frame body in the inverted U shape is provided with a bottom plate at the two bottom ends, the bottom plate is provided with self-locking universal wheels at the four corners, and the four corners of the bottom plate are provided with height-adjustable supporting legs.

2. The operating stand for welding a circulating water pipe according to claim 1, wherein The bottom plate is provided with threaded holes at the four corners, the supporting legs comprise screw rods capable of being screwed into the threaded holes, the screw rods are provided with handles at the top ends, and the screw rods are provided with base plates at the bottom ends.

3. The operating stand for welding a circulating water pipe according to claim 2, wherein The bottom plate is provided with four groups of horizontally outward extending parts, and the threaded holes are formed in the extending parts.

4. The operating stand for welding a circulating water pipe according to claim 3, wherein The bottom plate is fixedly provided with a bubble level for observing the levelness after adjustment of the supporting legs.

5. The operating stand for welding a circulating water pipe according to claim 4, wherein The footboard is provided with anti-disengagement grooves on both sides of the bottom for matching the second support rods.

6. The operating stand for welding a circulating water pipe according to claim 5, wherein The first support rods are connected to the two groups of inner U-shaped rods or the two groups of outer U-shaped rods.

7. The operating stand for welding a circulating water pipe according to claim 6, wherein At least one group of first support rods is arranged between the arc-shaped parts of the two groups of outer U-shaped rods to serve as a safety rope hanging point.

8. The operating stand for welding a circulating water pipe according to claim 7, wherein The operating frame further comprises an arc-shaped baffle and a plurality of vertical baffles attached to the outer surface of the frame body.

9. The operating stand for welding a circulating water pipe according to claim 8, wherein The inner side walls of the arc-shaped baffle and the vertical baffles are provided with a plurality of hoops for clamping and fixing the inner U-shaped rods or the outer U-shaped rods.

10. The operating stand for welding a circulating water pipe according to claim 9, wherein The vertical shielding part attached to the lower side of the frame body in the inverted U shape is provided with a door cavity, and the door cavity is provided with a movable door plate.

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