CN213469330U - Movable small-caliber pressure steel pipe circular seam pressing device - Google Patents

Abstract

The utility model discloses a movable small-diameter penstock circular seam pressing device, which is provided with a support frame, wherein the lower end of the support frame is fixed with a universal wheel, a spherical outside surface bearing with a seat is fixed above the support frame, a shaft is arranged in the spherical outside surface bearing with the seat, a cross support is arranged at one end of the shaft and is fastened by a first nut; the four support sections of the cross support have the same structure, namely: one end of the first steel pipe is provided with a second nut, an adjusting screw rod is arranged in the second nut, and the adjusting screw rod is connected with a jack; the end points of the four first steel pipes are fixed to form an integral framework of the cross support. The utility model provides a diameter 1.5-3m sleeve pipe mill of little pipe diameter 1.5-3m pressure steel pipe or drilling bored concrete pile make the circumferential weld seam problem of pressing, realize the quick adjustment of the ring direction welding seam dislocation of minor diameter 1.5-3m pressure steel pipe, guarantee the manufacturing and the installation quality of minor diameter pressure steel pipe and satisfy the demands.

Description

Movable small-caliber pressure steel pipe circular seam pressing device

Technical Field

The utility model relates to a pressure steel pipe makes and installs the field, especially a portable small-diameter pressure steel pipe circumferential weld seam pressing device.

Background

The high and low potential energy of a water head is adopted by the pressure steel pipe of the hydropower station to provide power for the operation of the unit, the service life of the pressure steel pipe during water diversion directly influences the benefits generated by the operation of the unit, and from the narrow analysis, the service life of the pressure steel pipe is respectively determined by the manufacturing and installation quality of the pressure steel pipe, so that the rolling process of the pressure steel pipe tiles is necessarily controlled directly from the most source of the use of the pressure steel pipe through reasonable technical means and advanced process. The steel plate with the qualified groove opening is sent into a plate bending machine through a plate bending machine plate conveying device to be rolled by an upper roller and a lower roller, straight edges at two ends of the steel plate can not be rolled by the plate bending machine (the upper roller and the lower roller of the plate bending machine can not be pressed to the end part of the steel plate by about 200 mm), at the moment, the straight edges at two ends of the steel plate are pre-bent (a pressure head) by adopting a pre-bending multilayer tire mold, the radian of a rolled tile is checked by using a radian detection tool to reach a designed radian, then the tile is moved out of the upper roller and the lower roller of the plate bending machine by using a pressure steel pipe tile hoisting I-shaped beam hoisting device to turn over, and finally the tile with the same radian is hoisted.

The large-diameter pressure steel pipe is firstly made into tiles in a manufacturing plant, then is transported to a construction site for tailor welding and ring forming, and is finally installed, the circular seam is pressed by a hydraulic jack generally, and the hydraulic jacks are only installed at two ends of one steel pipe, so that the weight is heavy, and the operation and the movement are troublesome. The small diameter 1.5-3m pressure steel pipe or the diameter 1.5-3m sleeve of the bored concrete pile is generally manufactured into the pipe with the length not more than 12 m in a manufacturing factory and then integrally transported, and the small diameter steel pipe has small internal space, the length of the formed pipe joint is long, the operation and the movement of a hydraulic jack are troublesome, and the small diameter pressure steel pipe or the diameter 1.5-3m sleeve of the bored concrete pile is not suitable for manufacturing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a portable small pipe diameter pressure steel pipe circumferential weld beading device is provided, solve the diameter 1.5-3m pressure steel pipe of small pipe diameter 1.5-3m or drilling bored concrete pile sleeve pipe mill and make the circumferential weld beading problem, realize the quick adjustment of small diameter 1.5-3m pressure steel pipe hoop welding seam dislocation, guarantee that the manufacturing of small diameter pressure steel pipe and installation quality satisfy DL5017 hydraulic engineering pressure steel pipe manufacturing installation and acceptance criteria.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a movable small-caliber pressure steel pipe circular seam pressing device is provided with a support frame, wherein a universal wheel is fixed at the lower end of the support frame, a seated spherical outside bearing is fixed above the support frame, a shaft is arranged in the seated spherical outside bearing, and a cross support is arranged at one end of the shaft and is fastened through a first nut; the four support sections of the cross support have the same structure, namely: one end of the first steel pipe is provided with a second nut, an adjusting screw rod is arranged in the second nut, and the adjusting screw rod is connected with a jack; the end points of the four first steel pipes are fixed to form an integral framework of the cross support.

Further, a node block stabilizing the cross configuration of the cross support is fixed at the intersection point of the cross support.

Furthermore, one end of the support frame opposite to the cross support is provided with a counterweight.

Further, the support frame structure is: the first steel plate is horizontally arranged, the second steel plate is fixed below the first steel plate, and the rib plate is fixed perpendicular to the first steel plate and the second steel plate; second steel pipes are fixed on the two rib plates respectively, H-shaped steel is fixed at the bottom end of each second steel pipe, and universal wheels are fixed at the lower ends of the H-shaped steel.

Further, a third steel pipe is fixed between the left I-steel and the right I-steel.

Further, the adjusting screw rod is provided with T-shaped threads.

Further, the jack adopts hydraulic jack.

Compared with the prior art, the beneficial effects of the utility model are that: the device can adapt to the quick circumferential seam pressing of the 1.5-3m diameter sleeve pipe factory manufacturing of a small-diameter pressure steel pipe or a bored concrete pile, has the advantages of light weight, stable walking in the steel pipe, simple operation and strong practicability, improves the production efficiency of the steel pipe, and avoids the problems of easy damage, oil leakage, troublesome operation and the like caused by the dragging of a hydraulic jack oil pipe.

Drawings

Fig. 1 is a front view of the movable small-caliber pressure steel pipe circular seam pressing device of the utility model.

Fig. 2 is a side view of the movable small-caliber pressure steel pipe circular seam pressing device of the utility model.

Fig. 3 is a cross-shaped supporting schematic diagram of the movable small-caliber pressure steel pipe circular seam pressing device of the utility model.

Fig. 4 is a schematic view of the support frame of the movable small-caliber pressure steel pipe circular seam pressing device of the utility model.

Fig. 5 is a schematic view of the movable small-caliber pressure steel pipe circular seam pressing device shaft of the present invention.

In the figure: a first nut 1; a cross support 2; a shaft 3; an outer spherical bearing with a seat 4; a support frame 5; a counterweight 6; a universal wheel 7; a jack 21; an adjusting screw 22; a second nut 23; a first steel pipe 24; a node block 25; a first steel plate 51; second steel plate 52; a rib plate 53; a second steel pipe 54; a third steel pipe 55; and h-shaped steel 56.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a portable small pipe footpath pressure steel pipe circumferential weld seam pressing device, its structure is: the device is provided with a support frame 5, a universal wheel 7 is fixed at the lower end of the support frame 5, a spherical outside surface bearing 4 with a seat is fixed above the support frame 5, a shaft 3 is arranged in the spherical outside surface bearing 4 with the seat, and a cross support 2 is arranged at one end of the shaft 3 and is fastened through a first nut 1; the four support sections of the cross support 2 have the same structure, namely: one end of the first steel pipe 24 is provided with a second nut 23, an adjusting screw rod 22 is arranged in the second nut 23, and the adjusting screw rod 22 is connected with a jack 21; the end points of the four first steel tubes 24 are fixed to form an integral framework of the cross brace 2.

The utility model discloses the following improvement can be done to the device: a node block 25 for stabilizing the cross configuration of the cross support 2 is fixed at the intersection point of the cross support 2, so that the stability of the cross support 2 is enhanced. The support frame 5 has a counterweight 6 at an end opposite to the cross brace 2, and since the cross brace 2 is at one end of the support frame 5, the counterweight may be provided at the other end opposite to the cross brace 2 in order to maintain the stability of the whole device. The support frame 5 is structurally characterized in that: the horizontal steel plate is provided with a first steel plate 51, a second steel plate 52 is fixed below the first steel plate 51, and a rib plate 53 is fixed perpendicular to the first steel plate 51 and the second steel plate 52; the two rib plates 53 are respectively fixed with the second steel pipes 54, the bottom end of each second steel pipe 54 is fixed with the I-shaped steel 56, the lower end of each I-shaped steel 56 is fixed with the universal wheel 7, the support frame 5 is simple in structure, and the components such as the simple steel pipes and the I-shaped steel 56 can be adopted, so that the field material taking is facilitated. A third steel pipe 55 is fixed between the left I-steel 56 and the right I-steel 56, so that the stability of the splayed support is enhanced. The adjusting screw 22 adopts T-shaped threads. The jack 21 adopts a hydraulic jack, and the pressure steel pipe with a slightly larger diameter can adopt the hydraulic jack.

The utility model discloses connect 4 jack 21 that specification model is the same on the cross support 2 of device, can rectify the circumferential weld wrong platform of vertical direction simultaneously, through adjustment accommodate the lead screw 22 and jack 21 adaptation diameter 1.5-3m steel pipe circumferential weld pressure joint, and assemble on support frame 5 and be four universal wheels 7 of splayed, realize promoting the walking in the steel pipe is inside.

The utility model discloses be connected with accommodate the lead screw 22 (T type screw thread) on the cross supports 2, can target in place according to the different quick adjustment of pipe diameter, then manual operation jack 21 carries out the crack of pressing. The cross support 2 is provided with a processed node block 25, which ensures that the four jacks 21 are positioned at four quadrant positions and are vertical to each other. The cross support 2 is connected with the support frame 5 through a shaft, two spherical outside surface bearings 4 with seats are arranged on the support frame 5, the cross support 2 is guaranteed to rotate flexibly, a shaft shoulder is designed on the shaft 3, and the cross support 2 is prevented from moving in the axis direction. And a counterweight is added at the back of the support frame 5 to prevent the tool from overturning due to unstable gravity center. Two sets of universal wheels 7 of installation around support frame 5, every universal wheel 7 of group is the splayed, ensures that this frock is at the inside steady walking of steel pipe, does not topple in the use.

The utility model discloses connect 4 jack 21 that specification model is the same on the cross supports 2, can rectify the circumferential weld wrong platform of vertical direction simultaneously, through adjustment accommodate the lead screw 22 and jack 21 adaptation diameter 1.5-3m steel pipe circumferential weld pressure joint, and assemble on support frame 5 and be four universal wheels 7 of splayed, realize promoting the walking in the steel pipe is inside, the cross supports 2 and support frame 5 is connected through axle 3.

The utility model discloses have light in weight, walk steadily in the steel pipe, easy operation, the practicality is strong, has improved the production efficiency of steel pipe, the small pipe diameter of specially adapted makes the seam of pressing of the longer steel pipe hoop welding seam of length. When the large-diameter steel pipe is manufactured, the jack 21 is changed into a hydraulic jack, the cross support 2 is changed into a one-way support, the circular seam pressing of the large-diameter steel pipe can be met, the hydraulic station is placed on the support frame, and the tool is dragged to move forward by the driving equipment.

The foregoing detailed description and drawings are merely illustrative of the present invention as it pertains to the presently preferred embodiments. It will be apparent that various additions, modifications and substitutions are possible without departing from the spirit and scope of the invention as defined in the accompanying claims. It will be appreciated by those skilled in the art that the present invention may be modified in form, structure, arrangement, proportions, materials, elements, components and otherwise, used in the practice of the invention, depending upon the particular environment and operating requirements, without departing from the principles of the present invention. Accordingly, the disclosed embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims and their legal equivalents, and not limited to the foregoing description.

Claims (7)

1. A movable small-caliber pressure steel pipe circular seam pressing device is characterized by comprising a support frame (5), universal wheels (7) are fixed at the lower end of the support frame (5), a spherical outside bearing (4) with a seat is fixed above the support frame (5), a shaft (3) is arranged in the spherical outside bearing (4) with the seat, a cross support (2) is arranged at one end of the shaft (3), and the cross support is fastened through a first nut (1);

the four support sections of the cross support (2) have the same structure, namely: one end of the first steel pipe (24) is provided with a second nut (23), an adjusting screw rod (22) is arranged in the second nut (23), and the adjusting screw rod (22) is connected with a jack (21); the end points of the four first steel pipes (24) are fixed to form an integral framework of the cross support (2).

2. The movable small-caliber pressure steel pipe circumferential seam caulking device according to claim 1, characterized in that a node block (25) for stabilizing the cross configuration of the cross support (2) is fixed at the intersection point of the cross support (2).

3. The movable small-diameter pressure steel pipe circumferential seam caulking device according to claim 1, wherein a counterweight (6) is arranged at one end of the support frame (5) opposite to the cross support (2).

4. The movable small-caliber pressure steel pipe circumferential seam pressing device according to claim 1, wherein the support frame (5) is structured as follows: the horizontal steel plate is provided with a first steel plate (51), a second steel plate (52) is fixed below the first steel plate (51), and a rib plate (53) is fixed perpendicular to the first steel plate (51) and the second steel plate (52); second steel pipes (54) are fixed on the two rib plates (53) respectively, an I-shaped steel (56) is fixed at the bottom end of each second steel pipe (54), and a universal wheel (7) is fixed at the lower end of each I-shaped steel (56).

5. The movable small-caliber pressure steel pipe circumferential seam pressing device according to claim 4, wherein a third steel pipe (55) is fixed between the left I-steel (56) and the right I-steel (56).

6. The movable small-diameter pressure steel pipe circumferential seam caulking device according to claim 1, wherein the adjusting screw rod (22) adopts a T-shaped thread.

7. The movable small-caliber pressure steel pipe circumferential seam caulking device according to claim 1, wherein the jack (21) adopts a hydraulic jack.

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