CN111774805B - Auxiliary device for installing heat supply pipeline - Google Patents
Auxiliary device for installing heat supply pipeline Download PDFInfo
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- CN111774805B CN111774805B CN202010496159.2A CN202010496159A CN111774805B CN 111774805 B CN111774805 B CN 111774805B CN 202010496159 A CN202010496159 A CN 202010496159A CN 111774805 B CN111774805 B CN 111774805B
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- sliding
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- shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/06—Accessories therefor, e.g. anchors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Supports For Pipes And Cables (AREA)
- Clamps And Clips (AREA)
Abstract
The utility model provides an auxiliary device is used in piping erection for heat supply, belongs to municipal construction auxiliary device field. Comprises two supporting devices; each supporting device comprises a supporting plate, an L-shaped sliding plate and a connecting rod; a sliding groove is arranged inside the supporting plate; the horizontal end of the L-shaped sliding plate is in sliding fit with the sliding chute, and the vertical end of the L-shaped sliding plate is provided with a through hole; one end of the connecting rod is movably connected in the through hole through a cylindrical pin; the auxiliary device for installing the heat supply pipeline further comprises a fixing device and a linkage device; the two supporting devices are symmetrically arranged on two sides of the fixing device; the other end of the connecting rod is movably connected to the side surface of the fixing device; the linkage device is movably connected to the upper end of the L-shaped sliding plate and is in sliding fit with the fixing device. The whole auxiliary device is fixed at the upper end of the pipe burying pit through the supporting device, so that the operation of workers is facilitated, and the pipeline is fixed conveniently; and moreover, a plurality of auxiliary devices can be connected together through the hanging ring, so that the purpose that workers can connect a plurality of devices together for use is facilitated.
Description
Technical Field
The invention relates to an auxiliary device for installing a heat supply pipeline, and belongs to the field of municipal construction auxiliary devices.
Background
Urban heat supply pipeline laying needs to weld the pipeline junction, but because the pipeline need bury in the hole, lead to some equipment or device to be difficult at ditch internal fixation pipeline to erect also very inconveniently, lead to the pipeline can't be fixed when the welding, lead to the workman to spend a lot of effort easily.
Disclosure of Invention
The present invention is directed to solve the above problems in the background art, and an object of the present invention is to provide an auxiliary device for installing a heat supply pipe.
The invention achieves the purpose, and adopts the following technical scheme:
an auxiliary device for installing a pipeline for heat supply comprises two supporting devices; each supporting device comprises a supporting plate, an L-shaped sliding plate and a connecting rod; a sliding groove is formed in the supporting plate; the horizontal end of the L-shaped sliding plate is in sliding fit with the sliding chute, and the vertical end of the L-shaped sliding plate is provided with a through hole; one end of the connecting rod is movably connected in the through hole through a cylindrical pin; the auxiliary device for installing the heat supply pipeline further comprises a fixing device and a linkage device; the two supporting devices are symmetrically arranged on two sides of the fixing device; the other end of the connecting rod is movably connected to the side surface of the fixing device; the linkage device is movably connected to the upper end of the L-shaped sliding plate and is in sliding fit with the fixing device.
Compared with the prior art, the invention has the beneficial effects that: the whole auxiliary device is fixed at the upper end of the pipe burying pit through the supporting device, so that the operation of workers is facilitated, and the pipeline is fixed conveniently; and can also link together a plurality of auxiliary devices through the link, make things convenient for the workman to link together a plurality of this devices and use.
Drawings
FIG. 1 is a front view of an auxiliary device for installing a heat supply pipe according to the present invention;
FIG. 2 is a side view of an auxiliary device for installing a pipe for heating according to the present invention;
FIG. 3 is a front view of a supporting device of an auxiliary device for installing a heat supply pipe according to the present invention;
FIG. 4 is a front view of a fixing device of an auxiliary device for installing a heat supply pipe according to the present invention;
FIG. 5 is a front sectional view of a connector of an auxiliary device for installing a heat supply pipe according to the present invention;
FIG. 6 is a side sectional view of a connector of an auxiliary device for installing a heat supply pipe according to the present invention;
FIG. 7 is a front view of a linkage of an auxiliary device for installing a heat supply pipe according to the present invention;
FIG. 8 is a schematic view of the hanging ring and the U-shaped connecting rod of the auxiliary device for installing a heat supply pipeline of the present invention;
FIG. 9 is a schematic view of a position limiting device of the auxiliary device for installing a heat supply pipeline of the present invention;
fig. 10 is a schematic view of the limiting device and the connecting piece of the auxiliary device for installing the heat supply pipeline.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The first embodiment is as follows: as shown in fig. 1 to 10, the present embodiment describes an auxiliary device for installing a heat supply pipe, which includes two support devices 1; each supporting device 1 comprises a supporting plate 1-1, an L-shaped sliding plate 1-3 and a connecting rod 1-5; a chute 1-2 is arranged in the supporting plate 1-1; the horizontal end of the L-shaped sliding plate 1-3 is in sliding fit with the sliding chute 1-2, and the vertical end of the L-shaped sliding plate 1-3 is provided with a through hole 1-4; one end of the connecting rod 1-5 is movably connected in the through hole 1-4 through a cylindrical pin; the auxiliary device for installing the heat supply pipeline further comprises a fixing device 2 and a linkage device 4; the two supporting devices 1 are symmetrically arranged on two sides of the fixing device 2; the other end of the connecting rod 1-5 is movably connected to the side surface of the fixing device 2; the linkage device 4 is movably connected to the upper ends of the L-shaped sliding plates 1-3, and the linkage device 4 is in sliding fit with the fixing device 2.
The second embodiment is as follows: as shown in fig. 3-6, the present embodiment is further described with respect to the first embodiment, the fixing device 2 includes a connecting member 2-3, two arc-shaped claws 2-1, and a plurality of road wheels 2-2; the two arc-shaped clamping jaws 2-1 are connected to the connecting piece 2-3, and the two arc-shaped clamping jaws 2-1 are symmetrical relative to the connecting piece 2-3; the other end of the connecting rod 1-5 is connected to the side face of the corresponding arc-shaped clamping jaw 2-1 through a hinge; the plurality of travelling wheels 2-2 are respectively arranged on the inner arc surfaces of the two arc-shaped clamping jaws 2-1, and the travelling direction of the travelling wheels 2-2 is parallel to the central line of the heat supply pipeline 3.
The third concrete implementation mode: as shown in fig. 3-6, the present embodiment is further described with respect to the first embodiment, and the arc length of each of the arc-shaped claws 2-1 is greater than one third of the circumference and less than two thirds of the circumference.
The fourth concrete implementation mode: as shown in fig. 3-6, this embodiment is further described with respect to the first embodiment, and the connecting member 2-3 includes a central shaft 2-3-3, two side guards 2-3-1, two sliding bars 2-3-2, and two rectangular frames 2-3-4; two ends of the central shaft 2-3-3 are respectively fixedly connected with two side baffles 2-3-1; the opposite surfaces of the two side baffles 2-3-1 are provided with annular grooves 2-3-5; the two sliding rods 2-3-2 are in sliding fit with the two annular grooves 2-3-5; the two rectangular frames 2-3-4 are respectively and fixedly connected to the outer sides of the two side baffles 2-3-1; the two arc-shaped clamping jaws 2-1 are respectively and fixedly connected to the two sliding rods 2-3-2.
The fifth concrete implementation mode: as shown in fig. 7-10, the present embodiment is further described with respect to the first embodiment, in which the linkage device 4 includes a top plate 4-1, a hanging ring 4-2, two telescopic rods 4-5, two bidirectional telescopic plates 4-6, a limiting device 4-7, a screw rod 4-8, a circular ring 4-10, a motor bracket 4-11, a motor 4-12, two movable plates 4-4, and two connecting rods 4-9; the upper end of the top plate 4-1 is fixedly connected with a hanging ring 4-2; the two movable plates 4-4 are symmetrical and movably connected to two sides of the top plate 4-1; the motor 4-12 is fixedly connected to the lower end of the top plate 4-1 through a motor bracket 4-11; the screw rod 4-8 is fixedly connected to an output shaft of the motor 4-12; the circular rings 4-10 are connected to the screw rods 4-8 through threads; two grooves 4-3 are symmetrically arranged on the bottom surface of the top plate 4-1; the sliding ends at two sides of the bidirectional expansion plates 4-6 are respectively connected to the opposite surfaces of the two movable plates 4-4 through hinges; the screw rod 4-8 penetrates through the bidirectional expansion plate 4-6, and the screw rod 4-8 is in sliding fit with the bidirectional expansion plate 4-6; one end of each connecting rod 4-9 is connected to the side face of the circular ring 4-10 through a hinge, and the other end of each connecting rod 4-9 is connected to the side face of one telescopic rod 4-5 through a hinge; the lower end of each telescopic rod 4-5 is fixedly connected above the sliding end of the bidirectional telescopic plate 4-6, and the upper end of each telescopic rod 4-5 is in sliding fit with the corresponding groove 4-3; the limiting device 4-7 is fixedly connected to the lower end of the screw rod 4-8.
The sixth specific implementation mode: as shown in fig. 7-10, this embodiment is further described with respect to the first embodiment, and the hanging ring 4-2 includes a hanging ring main body 4-2-1, a stopper 4-2-5, and two movable rings 4-2-3; the hanging ring main body 4-2-1 is provided with a hole I4-2-2, and the upper end of the hanging ring main body 4-2-1 is fixedly connected with a stop block 4-2-5; the two movable circular rings 4-2-3 are connected to two sides of the hanging ring main body 4-2-1 through hinges, and holes II 4-2-4 are formed in the movable circular rings 4-2-3; the hanging ring main body 4-2-1 is fixedly connected to the upper end of the top plate 4-1.
The seventh embodiment: as shown in fig. 7-10, this embodiment is further described as the first embodiment, and each of the movable rings 4-2-3 is rotated ninety degrees from the vertical state to contact the stopper 4-2-5.
The specific implementation mode is eight: as shown in fig. 7 to 10, this embodiment is further explained for the first embodiment, and the auxiliary device for installing a heat supply pipeline further comprises a U-shaped connecting rod 5; and two ends of the U-shaped connecting rod 5 are in sliding fit with the holes II 4-2-4.
The specific implementation method nine: as shown in fig. 7-10, this embodiment is further described with respect to the first embodiment, and the limiting device 4 includes a rotating ring 4-7-1, a rotating disc 4-7-2, and two limiting rods 4-7-3; a rotating ring 4-7-1 is arranged on the side surface of the rotating disc 4-7-2, and the rotating disc 4-7-2 is in sliding fit with the rotating ring 4-7-1; the two limiting rods 4-7-3 are symmetrically and fixedly connected to the lower end of the rotating ring 4-7-1, and each limiting rod 4-7-3 is in sliding fit with the corresponding rectangular frame 2-3-4.
The working principle of the invention is as follows: when the device is used, a crane is used for moving the device to a proper position through the hanging ring 4-2, the supporting plates 1-1 on the two supporting devices 1 are respectively placed on two sides of the pipe burying pit, the vertical end of the L-shaped sliding plate 1-3 extends into the pit, the two arc-shaped clamping jaws 2-1 are respectively placed on two sides of the heat supply pipeline 3, then the motor 4-12 is started, the motor 4-12 drives the screw 4-8 to rotate, the screw 4-8 drives the circular ring 4-10 to move up and down, the circular ring 4-10 drives the connecting rod 4-9 to move, the connecting rod 4-9 drives the telescopic rod 4-5 to move left and right, the telescopic rod 4-5 drives the movable end of the bidirectional telescopic plate 4-6 to move left and right, the movable end of the bidirectional telescopic plate 4-6 drives the movable plate 4-4 to move, and the movable plate 4-4 drives the L-shaped sliding plate 1-3 to move left and right, the L-shaped sliding plate 1-3 drives the corresponding arc-shaped clamping jaw 2-1 to rotate around the connecting piece 2-3 through the connecting rod 1-5, the lower end of the arc-shaped clamping jaw 2-1 is enabled to be tightly close to the middle lower part of the heat supply pipeline 3, the heat supply pipeline 3 is fixed, the arc-shaped clamping jaw is prevented from rotating randomly in the welding process, the limiting rod 4-7-3 is always matched with the rectangular frame 2-3-4 in the moving process of the arc-shaped clamping jaw 2-1, the random position change of the arc-shaped clamping jaw 2-1 after the connecting piece 2-3 is separated from the limiting rod 4-7-3 is prevented, and the situation that a worker needs to manually adjust the position of the arc-shaped clamping jaw 2-1 when the heat supply pipeline 3 is fixed is caused; the screw 4-8 drives the rotary table 4-7-2 to rotate when rotating, the limiting rod 4-7-3 is matched with the rectangular frame 2-3-4, the rectangular frame 2-3-4 is connected with the arc-shaped clamping jaws 2-1 through the connecting pieces 2-3, the arc-shaped clamping jaws 2-1 are arranged on two sides of the heat supply pipeline 3, along with the opposite movement of the arc-shaped clamping jaws 2-1, the two arc-shaped clamping jaws 2-1 gradually abut against the heat supply pipeline 3 until the central line of the circle where the arc-shaped clamping jaws 2-1 are located is parallel to the central line of the heat supply pipeline 3, the action is that the motor 4-12 is not hindered to drive the linkage device 4 to move, the arc-shaped clamping jaws 2-1 are not hindered to fix the heat supply pipeline 3, and workers only need to control the motor 4-12 to fix the heat supply pipeline 3 by using the device, so that the use is convenient; when a plurality of devices are needed to fix two ends of a heat supply pipeline 3 together, the movable ring 4-2-3 is rotated until the movable ring 4-2-3 is abutted against the rest stop blocks 4-2-5, the movable ring is inserted into the hole II 4-2-4 through the U-shaped connecting rod 5, the lower end of the U-shaped connecting rod 5 is provided with a notch, and a hook on a crane is placed in the notch, so that the two devices can be lifted simultaneously and are convenient to move.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An auxiliary device for installing a pipeline for heating comprises two supporting devices (1); each supporting device (1) comprises a supporting plate (1-1), an L-shaped sliding plate (1-3) and a connecting rod (1-5); a sliding groove (1-2) is arranged in the supporting plate (1-1); the horizontal end of the L-shaped sliding plate (1-3) is in sliding fit with the sliding chute (1-2), and the vertical end of the L-shaped sliding plate (1-3) is provided with a through hole (1-4); one end of the connecting rod (1-5) is movably connected in the through hole (1-4) through a cylindrical pin; the method is characterized in that: the auxiliary device for installing the heat supply pipeline further comprises a fixing device (2) and a linkage device (4); the two supporting devices (1) are symmetrically arranged on two sides of the fixing device (2); the other end of the connecting rod (1-5) is movably connected to the side surface of the fixing device (2); the linkage device (4) is movably connected to the upper end of the L-shaped sliding plate (1-3), and the linkage device (4) is in sliding fit with the fixing device (2);
the linkage device (4) comprises a top plate (4-1), a hanging ring (4-2), two telescopic rods (4-5), two bidirectional telescopic plates (4-6), a limiting device (4-7), a screw rod (4-8), a circular ring (4-10), a motor support (4-11), a motor (4-12), two movable plates (4-4) and two connecting rods (4-9); the upper end of the top plate (4-1) is fixedly connected with a hanging ring (4-2); the two movable plates (4-4) are symmetrical and movably connected to two sides of the top plate (4-1); the motor (4-12) is fixedly connected to the lower end of the top plate (4-1) through a motor support (4-11); the screw (4-8) is fixedly connected to an output shaft of the motor (4-12); the circular rings (4-10) are connected to the screw rods (4-8) through threads; two grooves (4-3) are symmetrically arranged on the bottom surface of the top plate (4-1); the sliding ends at two sides of the bidirectional expansion plate (4-6) are respectively connected to the opposite surfaces of the two movable plates (4-4) through hinges; the screw (4-8) penetrates through the bidirectional expansion plate (4-6), and the screw (4-8) is in sliding fit with the bidirectional expansion plate (4-6); one end of each connecting rod (4-9) is connected to the side face of the circular ring (4-10) through a hinge, and the other end of each connecting rod (4-9) is connected to the side face of one telescopic rod (4-5) through a hinge; the lower end of each telescopic rod (4-5) is fixedly connected above the sliding end of the two-way telescopic plate (4-6), and the upper end of each telescopic rod (4-5) is in sliding fit with the corresponding groove (4-3); the limiting device (4-7) is fixedly connected to the lower end of the screw rod (4-8);
the hanging ring (4-2) comprises a hanging ring main body (4-2-1), a stop block (4-2-5) and two movable circular rings (4-2-3); a hole I (4-2-2) is formed in the hanging ring main body (4-2-1), and a stop block (4-2-5) is fixedly connected to the upper end of the hanging ring main body (4-2-1); the two movable circular rings (4-2-3) are connected to two sides of the hanging ring main body (4-2-1) through hinges, and holes II (4-2-4) are formed in the movable circular rings (4-2-3); the hanging ring main body (4-2-1) is fixedly connected to the upper end of the top plate (4-1);
each movable circular ring (4-2-3) is rotated ninety degrees from the vertical state and then is contacted with a stop block (4-2-5);
the auxiliary device for installing the heat supply pipeline further comprises a U-shaped connecting rod (5); and two ends of the U-shaped connecting rod (5) are in sliding fit with the holes II (4-2-4).
2. A heating pipe installation auxiliary device according to claim 1, wherein: the fixing device (2) comprises a connecting piece (2-3), two arc-shaped clamping jaws (2-1) and a plurality of travelling wheels (2-2); the two arc-shaped clamping jaws (2-1) are connected to the connecting piece (2-3), and the two arc-shaped clamping jaws (2-1) are symmetrical relative to the connecting piece (2-3); the other end of the connecting rod (1-5) is connected to the side surface of the corresponding arc-shaped clamping jaw (2-1) through a hinge; the walking wheels (2-2) are respectively arranged on the inner arc surfaces of the two arc-shaped clamping jaws (2-1), and the walking direction of the walking wheels (2-2) is parallel to the central line of the heat supply pipeline (3).
3. An auxiliary device for installing a heat supply pipe according to claim 2, wherein: the arc length of each arc-shaped claw (2-1) is larger than one third of the circumference of the circle where the arc-shaped claw is located and smaller than two thirds of the circumference of the circle where the arc-shaped claw is located.
4. An auxiliary device for installing a heat supply pipe according to claim 2, wherein: the connecting piece (2-3) comprises a central shaft (2-3-3), two side baffles (2-3-1), two sliding rods (2-3-2) and two rectangular frames (2-3-4); two ends of the central shaft (2-3-3) are respectively fixedly connected with two side baffles (2-3-1); the opposite surfaces of the two side baffles (2-3-1) are provided with annular grooves (2-3-5); the two sliding rods (2-3-2) are in sliding fit with the two annular grooves (2-3-5); the two rectangular frames (2-3-4) are respectively and fixedly connected to the outer sides of the two side baffles (2-3-1); the two arc-shaped clamping jaws (2-1) are respectively and fixedly connected to the two sliding rods (2-3-2).
5. A heating pipe installation auxiliary device according to claim 1, wherein: the limiting device (4-7) comprises a rotating ring (4-7-1), a turntable (4-7-2) and two limiting rods (4-7-3); a rotating ring (4-7-1) is arranged on the side surface of the rotating disc (4-7-2), and the rotating disc (4-7-2) is in sliding fit with the rotating ring (4-7-1); the two limiting rods (4-7-3) are symmetrically and fixedly connected to the lower end of the rotating ring (4-7-1), and each limiting rod (4-7-3) is in sliding fit with the corresponding rectangular frame (2-3-4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010496159.2A CN111774805B (en) | 2020-06-03 | 2020-06-03 | Auxiliary device for installing heat supply pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010496159.2A CN111774805B (en) | 2020-06-03 | 2020-06-03 | Auxiliary device for installing heat supply pipeline |
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| CN111774805A CN111774805A (en) | 2020-10-16 |
| CN111774805B true CN111774805B (en) | 2021-12-07 |
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| CN202010496159.2A Active CN111774805B (en) | 2020-06-03 | 2020-06-03 | Auxiliary device for installing heat supply pipeline |
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| CN115008385B (en) * | 2022-06-27 | 2023-10-03 | 哈尔滨实力航空工业有限公司 | Auxiliary installation positioning mechanism for side wall of wind tunnel boundary layer and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002301593A (en) * | 2001-04-03 | 2002-10-15 | Fuji Heavy Ind Ltd | Centering jig |
| CN105834603B (en) * | 2015-01-16 | 2017-10-17 | 中国石油天然气集团公司 | A kind of self-action prevents from welding the device of necking down |
| CN107378929A (en) * | 2017-09-22 | 2017-11-24 | 上海鸣与信息科技发展有限公司 | A kind of portable material folding mechanical arm |
| CN108274477A (en) * | 2018-04-03 | 2018-07-13 | 郑棋栋 | A kind of multifunction manipulator |
| CN208214613U (en) * | 2018-05-22 | 2018-12-11 | 天津市军大钢铁股份有限公司 | A kind of movable type steel pipe welder |
| CN208681596U (en) * | 2018-07-13 | 2019-04-02 | 李毅滨 | A kind of concertina type composite machine arm |
| CN208880567U (en) * | 2018-11-01 | 2019-05-21 | 济南星元保温防腐工程有限公司 | Insulating tube produces adjustable steel pipe clamp |
| CN210173597U (en) * | 2019-03-20 | 2020-03-24 | 上海兰众自动化设备有限公司 | Robot tongs of adjustable dynamics |
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Effective date of registration: 20230907 Address after: 226, 2nd Floor, Unit C1, Building C, North of Xueyuan Road and West of Xindadi Electronic Plaza, Limin Development Zone, Harbin City, Heilongjiang Province, 150000 yuan Patentee after: Heilongjiang Jiantou Urban Design Co.,Ltd. Address before: 150000 Xueyuan Road, Limin Development Zone, Hulan District, Harbin City, Heilongjiang Province Patentee before: HEILONGJIANG College OF CONSTRUCTION |
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