CN211728025U - Pressure steel pipe girth welding heating plate laying device - Google Patents
Pressure steel pipe girth welding heating plate laying device Download PDFInfo
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- CN211728025U CN211728025U CN202020065207.8U CN202020065207U CN211728025U CN 211728025 U CN211728025 U CN 211728025U CN 202020065207 U CN202020065207 U CN 202020065207U CN 211728025 U CN211728025 U CN 211728025U
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Abstract
A pressure steel pipe girth welding heating piece laying device is fixed on a welding trolley and comprises a 90-degree arc heating piece laying device, a radial position adjusting system, an axial position adjusting system and an end head steering mechanism; the 90-degree arc-shaped heating sheet laying devices are provided with four groups, and each group of 90-degree arc-shaped heating sheet laying devices comprises two sets of 90-degree arc-shaped heating sheet fixing devices which are arranged in parallel; two sets of end steering mechanisms are welded at the designed positions on each set of 90-degree arc heating plate laying device, the two sets of end steering mechanisms are connected with one set of radial position adjusting system, one set of axial position adjusting system and the radial position adjusting system are assembled into a whole, and the axial position adjusting system is fixed on a welding trolley in a steel pipe. Adopt the utility model discloses, laying of completion girth welding heating plate inside can be quick, simple and convenient at the steel pipe improves the efficiency of construction, reduces human resource input, reduces construction strength and safe risk.
Description
The technical field is as follows:
the utility model relates to a penstock girth welding heating plate laying device relates to penstock field installation girth welding field, in particular to heating plate device that heats when portably, swiftly laying the girth welding.
Background art:
the water diversion pressure steel pipe in the hydraulic and hydroelectric engineering is thicker and thicker along with the development of science and technology, the strength is higher and higher, and the preheating of a welding seam before welding and the hydrogen elimination after welding are of great importance for ensuring the welding quality. The heating sheets for heating by girth welding are generally manually laid on the reverse side of the welding side one by one, each welding line needs to be laid and dismantled for 2 times, and the operation is repeated when one welding line is welded, so that the manual labor intensity is high, and the efficiency is low.
The invention content is as follows:
the to-be-solved technical problem of the utility model is to provide a penstock girth welding heating plate laying device, it is simple and convenient, swift, installs the device on the welding platform truck in the penstock, along with the welding platform truck removes penstock's welding seam position, adjusts heating plate and the contact of welding seam both sides steel sheet, reachs the welding seam purpose of heating.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a pressure steel pipe girth welding heating plate laying device, which is fixed on a welding trolley and comprises a 90-degree arc heating plate laying device, a radial position adjusting system, an axial position adjusting system and an end steering mechanism; the 90-degree arc heating plate laying devices are provided with four groups, the four groups of identical 90-degree arc heating plate laying devices are spliced together to form a ring shape, and each group of 90-degree arc heating plate laying devices comprises two sets of 90-degree arc heating plate fixing devices which are arranged in parallel; two sets of end steering mechanisms are welded at the designed positions on each set of 90-degree arc heating plate laying device, the two sets of end steering mechanisms are connected with one set of radial position adjusting system, one set of axial position adjusting system and the radial position adjusting system are assembled into a whole, and the axial position adjusting system is fixed on a welding trolley in a steel pipe.
The distance between the two sets of 90-degree arc heating plate fixing devices arranged in parallel is 150 mm.
Each set of 90-degree arc-shaped heating piece fixing device consists of a connecting plate, a fastener, a heating piece and 90-degree arc-shaped angle steel; the two angle steels are arranged in parallel, the two angle steels are fixedly connected by adopting a plurality of connecting plates welded at the inner sides, and the connecting plates are uniformly arranged; the heating plates are uniformly laid on the outer sides of the two angle steels and are fixed on the corresponding connecting plates through fasteners.
The axial position adjusting system consists of a first hexagonal nut, a rectangular sleeve, a guide rod, a first square sleeve, a second square sleeve, a first screw, a square nut and a connecting rod; threads are machined at one end of the front section of the first screw, a through hole is designed on the rear section, and threads are designed on part of the middle section; the rectangular sleeve is provided with a through hole and a threaded hole, and the through hole and the threaded hole are vertically arranged; processing a threaded hole in the middle of the square nut; the two guide rods are arranged in parallel, the two rectangular sleeves are respectively arranged on the two guide rods, the two connecting rods are respectively welded on the two rectangular sleeves, and the second square sleeve is welded between the two connecting rods; two first square sleeves are respectively arranged on two guide rods and welded and fixed, two connecting rods are welded on the two first square sleeves, a square nut is welded between the two connecting rods, finally, the front end of the first screw rod penetrates through the second square sleeve, the first hexagon nut is screwed, and the middle section thread is connected with the square nut.
The diameters of the front section and the rear section of the first screw rod are small, and the diameter of the middle section is large.
The radial position adjusting system consists of a second hexagonal nut, a support rod, a square sleeve, a second screw and a rectangular nut; the two second screw rods are arranged in parallel, threads are machined at one end of the front section of each second screw rod, through holes are formed in the rear section of each second screw rod, and threads are arranged on one part of the middle section of each second screw rod; the rectangular nut is a cuboid, a threaded hole and a through hole are formed in the rectangular nut, and the threaded hole and the through hole are vertically arranged; the two second hexagonal nuts are respectively arranged at the front ends of the two second screw rods; the two square sleeves are respectively arranged at the front ends of the middle sections of the two second screw rods; the two rectangular nuts are respectively arranged at the threaded ends of the middle sections of the two second screw rods; one end of each support rod is welded on the corresponding square sleeve, and the other end of each support rod is welded on the corresponding connecting rod.
The diameters of the front section and the rear section of the second screw rod are small, and the diameter of the middle section is large.
The end head steering mechanism consists of a first steel plate, a second steel plate, a rectangular connecting body, a double-end stud and a nut; two threaded holes and a through hole are formed in the rectangular connecting body; two second steel sheet parallel arrangement, vertical welding are on first steel sheet, and the rectangle connector is placed between two second steel sheets, and the one end of two stud passes in two screws of the hole screw in rectangle connector on the second steel sheet that corresponds, other end screw in nut.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses fix heating plate parallel at heating plate laying device front end, the pressure steel pipe welding seam that staggers heats to the steel sheet of both sides, accessible radial position governing system and axial position governing system regulation heating plate axial, radial position. The heating plate is arranged on the inner side of the steel pipe and is separated from the welding line by a certain distance, the welding of the front seam and the back seam of the steel pipe is not influenced, the welding of one welding line can be finished only by adjusting the heating plate laying device once, and the work of laying the heating plate inside and outside the welding line and laying the heating plate in a reciprocating way in the past is reduced.
2. The utility model discloses heating plate laying device installs on the welding platform truck in the steel pipe, moves the steel pipe welding circumferential weld position along with the welding platform truck, through the distance of rotation axis screw rod adjustment heating plate fixing device and welding seam both sides in to position control system, rotates the interval of screw rod regulation heating plate and steel pipe inner wall among the radial position control system, accomplishes the heating plate and lays work. Adopt the utility model discloses, laying of completion girth welding heating plate inside can be quick, simple and convenient at the steel pipe improves the efficiency of construction, reduces human resource input, reduces construction intensity and safe risk.
Description of the drawings:
FIG. 1 is a general assembly view of the structure of the present invention;
fig. 2 is a schematic structural view of the fixing device for the 90 ° arc-shaped heating plate of the present invention;
FIG. 3 is a schematic structural view of the axial position adjustment system of the present invention;
fig. 4 is a schematic structural view of the radial position adjustment system of the present invention;
fig. 5 is a schematic structural view of the end steering mechanism of the present invention.
Reference numerals:
the device comprises a 1-90-degree arc heating plate fixing device, a 2-axial position adjusting system, a 3-radial position adjusting system, a 4-end steering mechanism, a 5-welding trolley and a 6-steel pipe welding circular seam.
1.1-connecting plate, 1.2-fastening piece, 1.3-heating plate and 1.4-angle steel.
2.1-a first hexagonal nut, 2.2-a rectangular sleeve, 2.3-a guide rod, 2.4-a first square sleeve 2, 2.5-a second square sleeve 1, 2.6-a first screw rod, 2.7-a square nut and 2.8-a connecting rod.
3.1-a second hexagonal nut, 3.2-a support rod, 3.3-a square sleeve, 3.4-a second screw rod and 3.5-a rectangular nut.
4.1-first steel plate, 4.2-second steel plate, 4.3-double-end stud and 4.4-rectangular connector.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the following embodiments, which are intended to explain the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the protection scope of the present invention by the same or similar techniques.
Referring to fig. 1-5, the utility model provides a penstock girth welding heating plate laying device, this heating plate laying device fix on welding platform truck 5, and it includes 90 arc heating plate laying device, radial position governing system 2, axial position governing system 3 and end steering mechanism 4. The 90-degree arc heating plate laying device is provided with four groups, the four groups of identical 90-degree arc heating plate laying devices are spliced together to form a circular ring shape, each group of 90-degree arc heating plate laying devices comprises 2 groups of 90-degree arc heating plate fixing devices 1 which are arranged in parallel, and the distance between the 2 groups of 90-degree arc heating plate fixing devices is about 150 mm. Two sets of end steering mechanisms 4 are welded at the designed position on each set of 90-degree arc heating plate laying device, then a set of radial position adjusting system 3 is connected with the two sets of end steering mechanisms 4, then a set of axial position adjusting system 2 and the radial position adjusting system 3 are assembled into a whole, and finally the axial position adjusting system 2 is welded and fixed on a welding trolley 5 in a steel pipe.
Each set of 90-degree arc-shaped heating piece fixing device 1 consists of a connecting plate 1.1, a fastener 1.2, a heating piece 1.3 and 90-degree arc-shaped angle steel 1.4. The fastener 1.2 comprises a set of bolt and nut. The angle iron 1.4 is provided with two, parallel arrangement, adopts several connecting plates 1.1 welded fastening connection in the inboard between two angle irons 1.4, and several connecting plates 1.1 evenly arrange. The heating plates 1.3 are uniformly laid on the outer sides of the two angle steels 1.4, and the heating plates 1.3 are fixed on the corresponding connecting plates 1.1 through fasteners 1.2.
The axial position adjusting system 2 consists of a first hexagonal nut 2.1, a rectangular sleeve 2.2, a guide rod 2.3, a first square sleeve 2.4, a second square sleeve 2.5, a first screw rod 2.6, a square nut 2.7 and a connecting rod 2.8. The diameter of the front section and the rear section of the first screw rod 2.6 is small, the diameter of the middle section is large, threads are machined at one end of the front section, a through hole is designed in the rear section, and threads are designed at one part of the middle section. The rectangular sleeve 2.2 is provided with a through hole and a threaded hole which are vertically arranged; and a threaded hole is processed in the middle of the square nut 2.7. The two guide rods 2.3 are arranged in parallel, the two rectangular sleeves 2.2 are respectively arranged on the two guide rods 2.3, the two connecting rods 2.8 are respectively welded on the two rectangular sleeves 2.2, and the second square sleeve 2.5 is welded between the two connecting rods 2.8; two first square sleeves 2.4 are respectively installed on two guide bars 2.3 and welded and fixed, two connecting rods 2.8 are welded on 2 first square sleeves 2.4, square nuts 2.7 are welded between two connecting rods 2.8, and finally, the front ends of first screw rods 2.6 penetrate through second square sleeves 2.5, first hexagonal nuts 2.1 are screwed on, and middle section threads are connected with square nuts 2.7. The second square sleeve 2.5 and the square nut 2.7 are arranged in the middle of the guide rod 2.3, and the rectangular sleeve 2.2, the second square sleeve 2.5, the first square sleeve 2.4 and the square nut 2.7 are fixed by welding through a connecting rod 2.8.
The radial position adjusting system 3 is composed of a second hexagonal nut 3.1, a support rod 3.2, a square sleeve 3.3, a second screw rod 3.4 and a rectangular nut 3.5. The second screw rod 3.4 sets up to two, parallel arrangement, and before the second screw rod 3.4, back end diameter is little, and the interlude diameter is big, and the screw thread is processed to one end in the anterior segment, is provided with the through-hole on the back end, and some in middle section are provided with the screw thread. The rectangular nut 3.5 is a cuboid, a threaded hole and a through hole are formed in the rectangular nut, and the threaded hole and the through hole are vertically arranged. Two second hexagonal nuts 3.1 are respectively arranged at the front ends of the two second screws 3.4. Two square sleeves 3.3 are respectively arranged at the front ends of the middle sections of the two second screws 3.4. Two rectangular nuts 3.5 are respectively arranged at the threaded ends of the middle sections of the two second screw rods 3.4; one end of each of the two support rods 3.2 is welded on the corresponding square sleeve 3.3, and the other end is welded on the corresponding connecting rod 2.8.
The end head steering mechanism 4 comprises a first steel plate 4.1, a second steel plate 4.2, a rectangular connector 4.4, a stud 4.3 and a nut, wherein 2 threaded holes and 1 through hole are formed in the rectangular connector 4.4. Two second steel sheet 4.2 parallel arrangement, the vertical welding is on first steel sheet 4.1, rectangular connector 4.4 is placed between two second steel sheet 4.2, two stud 4.3's one end is passed in two screws of the hole screw in rectangular connector 4.4 on the second steel sheet 4.2 that corresponds, other end screw in nut, consequently, rectangular connector 4.4 is installed between two second steel sheet 4.2 with stud 4.3, nut.
The end steering mechanism 4 in the first steel plate 4.1 with the angle steel 1.4 welding in the 90 arc heating plate fixing device 1, the end steering mechanism 4 in the rectangle connector 4.4 and the radial position governing system 3 in the second screw rod 3.4 are connected, the radial position governing system 3 in the rectangle nut 3.5 install on the guide bar 2.3 in the axial position governing system 2. Both ends of the guide rod 2.3 of the axial position adjusting system 2 are welded on the welding trolley 5.
The application method of the heating sheet laying device comprises the following steps: 4 groups of 90-degree arc heating piece laying devices are arranged on a welding trolley 5 inside a steel pipe, the heating piece laying devices move to the position of a steel pipe welding circular seam 6 along with the welding trolley 5, the distance between the 90-degree arc heating piece fixing device 1 and two sides of the steel pipe welding circular seam 6 is adjusted through a first screw 2.6 in a rotating shaft position adjusting system 2, and the distance between a heating piece 1.3 and the inner wall of the steel pipe is adjusted through a second screw 3.4 in a rotating radial position adjusting system 3, so that the laying of the steel pipe welding heating piece is completed.
Claims (8)
1. The utility model provides a pressure steel pipe girth welding heating plate laying device, its fixes on welding platform truck (5), characterized by: the heating sheet laying device comprises a 90-degree arc-shaped heating sheet laying device, a radial position adjusting system (3), an axial position adjusting system (2) and an end head steering mechanism (4); the 90-degree arc-shaped heating sheet laying devices are provided with four groups, the four groups of identical 90-degree arc-shaped heating sheet laying devices are spliced together to form a ring shape, and each group of 90-degree arc-shaped heating sheet laying devices comprises two sets of 90-degree arc-shaped heating sheet fixing devices (1) which are arranged in parallel; two sets of end steering mechanisms (4) are welded at the designed positions on each set of 90-degree arc heating plate laying device, the two sets of end steering mechanisms (4) are connected with one set of radial position adjusting system (3), one set of axial position adjusting system (2) and the radial position adjusting system (3) are assembled into a whole, and the axial position adjusting system (2) is fixed on a welding trolley (5) in a steel pipe.
2. The apparatus of claim 1, wherein the apparatus comprises: the distance between the two sets of 90-degree arc heating plate fixing devices (1) which are arranged in parallel is 150 mm.
3. The apparatus of claim 1, wherein the apparatus comprises: each set of 90-degree arc-shaped heating piece fixing device (1) consists of a connecting plate (1.1), a fastener (1.2), a heating piece (1.3) and 90-degree arc-shaped angle steel (1.4); two angle steels (1.4) are arranged in parallel, the two angle steels (1.4) are fixedly connected by adopting a plurality of connecting plates (1.1) welded at the inner side, and the connecting plates (1.1) are uniformly arranged; the heating sheets (1.3) are uniformly laid on the outer sides of the two angle steels (1.4), and the heating sheets (1.3) are fixed on the corresponding connecting plates (1.1) through fasteners (1.2).
4. The apparatus of claim 1, wherein the apparatus comprises: the axial position adjusting system (2) consists of a first hexagonal nut (2.1), a rectangular sleeve (2.2), a guide rod (2.3), a first square sleeve (2.4), a second square sleeve (2.5), a first screw (2.6), a square nut (2.7) and a connecting rod (2.8); one end of the front section of the first screw (2.6) is provided with threads, the rear section is provided with a through hole, and one part of the middle section is provided with threads; the rectangular sleeve (2.2) is provided with a through hole and a threaded hole which are vertically arranged; a threaded hole is processed in the middle of the square nut (2.7); the two guide rods (2.3) are arranged in parallel, the two rectangular sleeves (2.2) are respectively arranged on the two guide rods (2.3), the two connecting rods (2.8) are respectively welded on the two rectangular sleeves (2.2), and the second square sleeve (2.5) is welded between the two connecting rods (2.8); two first square sleeve (2.4) adorn welded fastening on two guide bar (2.3) respectively, two connecting rod (2.8) welding are on 2 first square sleeve (2.4), square nut (2.7) welding is between two connecting rod (2.8), pass second square sleeve (2.5) with first screw rod (2.6) front end at last, screw up first hexagon nut (2.1), the middle section screw thread is connected with square nut (2.7).
5. The laying device of the pressure steel pipe girth welding heating plate of claim 4, wherein: the diameters of the front section and the rear section of the first screw rod (2.6) are small, and the diameter of the middle section is large.
6. The apparatus of claim 1, wherein the apparatus comprises: the radial position adjusting system (3) consists of a second hexagonal nut (3.1), a support rod (3.2), a square sleeve (3.3), a second screw (3.4) and a rectangular nut (3.5); the two second screw rods (3.4) are arranged in parallel, one end of the front section of each second screw rod (3.4) is provided with a thread, the rear section is provided with a through hole, and one part of the middle section is provided with a thread; the rectangular nut (3.5) is a cuboid, a threaded hole and a through hole are formed in the rectangular nut, and the threaded hole and the through hole are vertically arranged; two second hexagonal nuts (3.1) are respectively arranged at the front ends of the two second screw rods (3.4); the two square sleeves (3.3) are respectively arranged at the front ends of the middle sections of the two second screw rods (3.4); two rectangular nuts (3.5) are respectively arranged at the threaded ends of the middle sections of the two second screw rods (3.4); one ends of the two support rods (3.2) are respectively welded on the corresponding square sleeves (3.3), and the other ends are welded on the corresponding connecting rods (2.8).
7. The apparatus of claim 6, wherein the heating plate for pressure steel pipe girth welding comprises: the diameters of the front section and the rear section of the second screw rod (3.4) are small, and the diameter of the middle section is large.
8. The apparatus of claim 1, wherein the apparatus comprises: the end head steering mechanism (4) consists of a first steel plate (4.1), a second steel plate (4.2), a rectangular connecting body (4.4), a stud (4.3) and a nut; two threaded holes and a through hole are formed in the rectangular connecting body (4.4); two second steel sheet (4.2) parallel arrangement, vertical welding are on first steel sheet (4.1), and rectangle connector (4.4) are placed between two second steel sheet (4.2), and the one end of two stud (4.3) is passed in two screws of the hole screw in rectangle connector (4.4) on the second steel sheet (4.2) that corresponds, other end screw in nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020065207.8U CN211728025U (en) | 2020-01-13 | 2020-01-13 | Pressure steel pipe girth welding heating plate laying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020065207.8U CN211728025U (en) | 2020-01-13 | 2020-01-13 | Pressure steel pipe girth welding heating plate laying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211728025U true CN211728025U (en) | 2020-10-23 |
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ID=72881787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020065207.8U Active CN211728025U (en) | 2020-01-13 | 2020-01-13 | Pressure steel pipe girth welding heating plate laying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211728025U (en) |
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2020
- 2020-01-13 CN CN202020065207.8U patent/CN211728025U/en active Active
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