CN111416314B - Building cable erection buffering protection bracket - Google Patents
Building cable erection buffering protection bracket Download PDFInfo
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- CN111416314B CN111416314B CN202010434538.9A CN202010434538A CN111416314B CN 111416314 B CN111416314 B CN 111416314B CN 202010434538 A CN202010434538 A CN 202010434538A CN 111416314 B CN111416314 B CN 111416314B
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- protection
- cable
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- plate
- buffer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a building cable erection buffer protection bracket, which comprises a bracket pipe and a bracket rod, wherein the bracket pipe is fixedly connected with the bracket rod, a buffer pipe is fixedly arranged in the bracket pipe, the inner side walls of a containing bottom plate and the buffer pipe are connected with a buffer spring, a lower insertion hole and a through hole are correspondingly formed in the buffer pipe and the bracket pipe from top to bottom, a starting rod is movably inserted in the lower insertion hole and the through hole, and one end of the starting rod is fixedly connected to the containing bottom plate; the cable protection device is characterized in that a protection block is fixedly connected to the rotating plate, a cable protection groove is formed in the protection block, and inclined protection plates are arranged on two sides of the cable protection groove. The buffer tube provided by the invention is matched with a protection block for simultaneously and synchronously protecting the cable through the starting rod while realizing the buffering and anti-seismic functions of the cable, does not need manual operation any more, has good timeliness, and can further protect the cable and a support when absorbing buffering and resisting seismic.
Description
Technical Field
The invention relates to the technical field of building buffer supports, in particular to a buffer protection support built on a building cable.
Background
In the daily life of people or on buildings and industrial production equipment, various mechanical shocks are inevitable, and in the anti-seismic process of supports on various devices, equipment or building structures, reinforcement is not the best method, so that the shocks on corresponding anti-seismic support hangers are effectively buffered and absorbed, the important measure for improving the anti-seismic and anti-impact performance of the anti-seismic support hangers is also provided, and how to buffer and absorb the shocks generated on cables/connecting pieces and corresponding support hangers improves the anti-seismic and anti-impact performance of the anti-seismic support hangers is a problem to be solved.
In the prior art, an anti-seismic support and hanger mechanism device with the notice number of CN 209913409U based on elastic buffering relates to the field of anti-seismic supports, and a fourth fixing support is fixedly connected to the inner side of an inverted U-shaped connecting rod; the two sides of one end of the suspension plate are provided with knocking convex plates; a pair of fifth inner side brackets is arranged on the inner side of the inverted U-shaped connecting rod; a fifth movable adjusting plate is arranged on the fifth inner side bracket; a first adjusting spring is arranged between one end of the fifth movable adjusting plate and the inverted U-shaped connecting rod; the second adjusting spring is arranged between the other end of the fifth movable adjusting plate and the inverted U connecting rod, the suspension plate is arranged in the inverted U connecting rod through the arrangement, the end side of the fifth movable adjusting plate is knocked through the knocking convex plate on the suspension plate, and then the first adjusting spring and the second adjusting spring absorb corresponding vibration, so that the vibration generated on the cable/connecting piece and the corresponding support hanger is buffered and absorbed, and the shock resistance of the shock-resistant support hanger are improved.
However, the above elastically-cushioned anti-seismic support and hanger structure still has the following obvious defects in the use process: if the support structure is impacted by continuous external force, for example, when a rod piece is obliquely lapped or vertically lapped on a cable, although the support can realize buffering and shock resistance of the cable, after the buffer is absorbed, the rod piece can still be lapped on the cable, long-time contact and pressure can damage and influence the cable and the buffering and shock-resistant support, the rod piece cannot vibrate the cable in the first time needing buffering, the rod piece or the part which is continuously lapped on the cable at the outside is cleared away to reduce the influence on the cable and the support, and generally, subsequent manual work is needed to manually or mechanically clear the rod piece or the part, so that the cable and the support cannot be further protected when the shock resistance is realized by absorbing and buffering.
Disclosure of Invention
The invention aims to provide a buffer protection bracket for building cables, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a buffer protection support for building a building cable comprises a support pipe and a support rod, wherein the support pipe is fixedly connected with the support rod, a buffer pipe is fixedly arranged in the support pipe, the buffer pipe is fixedly connected with the support pipe through a steel wire rope, a containing bottom plate is movably arranged in the buffer pipe, the containing bottom plate is connected with a buffer spring on the inner side wall of the buffer pipe, lower insertion holes and through holes are correspondingly formed in the buffer pipe and the support pipe in the vertical direction, a starting rod is movably inserted in the lower insertion holes and the through holes, and one end of the starting rod is fixedly connected to the containing bottom plate;
a side groove is formed in the side wall of one side of the support rod, a matching plate is fixedly arranged at one end, close to the support pipe, of the side groove, a butt joint groove is formed in the matching plate, a rotating plate is movably arranged in the side groove, a rotating shaft is rotatably inserted in the rotating plate and is fixedly connected with the inner wall of the side groove, the rotating shaft is connected with the rotating plate through a torsion spring, a pressing groove is formed at one end, close to the matching plate, of the rotating plate, a pressing block is movably arranged in the pressing groove, a pressing spring is connected between the pressing block and the pressing groove, and the pressing block and the starting rod are movably connected with the butt joint groove;
the cable protection device is characterized in that a protection block is fixedly connected to the rotating plate, a cable protection groove is formed in the protection block, and inclined protection plates are arranged on two sides of the cable protection groove.
Preferably, the support tube is movably provided with a balance tube on one side of the buffer tube, the outer side wall of the balance tube is provided with a rope groove, an elastic rope is arranged in the rope groove, and two ends of the elastic rope are fixedly connected to the inner side wall of the support tube.
Preferably, the inclined protection plate is movably provided with a protection inclined plate, and a protection spring is connected between the protection inclined plate and the inclined protection plate.
Compared with the prior art, the invention has the beneficial effects that:
when the cable is impacted by continuous external force, the cable is vibrated by the external force, so that the containing bottom plate is driven to move, the buffer spring absorbs and buffers the cable to achieve an anti-seismic effect, and meanwhile, when the containing bottom plate buffers the cable through the buffer spring, the containing bottom plate is displaced to drive the starting rod to move downwards, the lower pressing block originally inserted into the butt joint groove is extruded and pushed out of the butt joint groove, so that the lower pressing block does not rotate and limit the rotating plate any more, namely when the containing bottom plate buffers the external force with the buffer spring, the anti-seismic rotating plate is driven to rotate at the first time, so that the protecting block can rotate by an angle of 90 degrees to form a state with the cable, and the cable directly falls into the cable protecting groove under the condition of vertical external force, Or because the cable can fall into the cable protection groove along the slope protection shield under the condition that the cable receives slope external force skew to at this in-process, the protection piece can touch oblique lapping rod or erect the lapping rod, push up or knock off it, make it no longer cause external force to the cable to influence, can also play the function of playing further protection to the cable under the condition that the cable received external force needs the buffering shock attenuation promptly, the effect is very good.
The buffer tube provided by the invention is used in cooperation with the protection block for simultaneously and synchronously protecting the cable through the starting rod while realizing buffering and anti-seismic functions on the cable, so that the cable can be protected through the cable protection groove in the protection block while buffering is absorbed, a rod piece providing external force is immediately clear, manual operation is not needed, the timeliness is good, and the cable and a support can be further protected when buffering is absorbed again for anti-seismic functions.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of region D in FIG. 1;
FIG. 3 is a schematic view of a buffer tube structure according to the present invention;
FIG. 4 is an enlarged view of the structure of the area A in FIG. 3;
FIG. 5 is a schematic view of a balance tube structural connection of the present invention;
FIG. 6 is a schematic structural diagram of an unprotected state of a protection block according to the present invention;
FIG. 7 is an enlarged view of the structure of the area B in FIG. 6;
FIG. 8 is a structural diagram of the protection block in an expanded protection state according to the present invention;
FIG. 9 is an enlarged view of the structure of the area C in FIG. 8;
FIG. 10 is a schematic view of a balanced tube configuration of the present invention;
fig. 11 is a schematic structural view of an oblique lapping rod in the first embodiment of the present invention;
FIG. 12 is a schematic structural view illustrating a case where the slanting butt is removed by the protection block according to the first embodiment of the present invention;
fig. 13 is a schematic structural view of a vertical lapping rod in the second embodiment of the present invention;
fig. 14 is a schematic structural view of the second embodiment of the present invention when the vertical lapping rod is removed by the protection block.
In the figure: the cable comprises a support tube 1, a buffer tube 2, a balance tube 3, a rope groove 31, an elastic rope 32, a support rod 4, a steel wire rope 5, a bottom containing plate 6, a buffer spring 7, a lower insertion hole 8, a through hole 9, a starting rod 10, a side groove 11, a matching plate 12, a butt joint groove 13, a rotating plate 14, a rotating shaft 15, a torsion spring 16, a pressing groove 17, a pressing block 18, a pressing spring 19, a protection block 20, a cable protection groove 21, an inclined protection plate 22, an inclined protection plate 23, a protection spring 24, a cable 100, an inclined lapping rod 200 and a vertical lapping rod 300.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-14, the present invention provides a technical solution:
a buffer protection bracket for building cables comprises a bracket tube 1 and a bracket rod 4, wherein the bracket tube 1 is hollow and cylindrical, the axial diameter direction of the bracket tube 1 is vertical to the bracket rod 4, a through hole formed in the middle of the bracket tube 1 is horizontally arranged, the bracket tube 1 is fixedly connected with the bracket rod 4, a cable 100 horizontally passes through the bracket tube 1, a buffer tube 2 is fixedly arranged in the bracket tube 1, the buffer tube 2 is fixedly connected with the bracket tube 1 through a steel wire rope 5, the buffer tube 2 is suspended in the bracket tube 1, the upper end of the buffer tube 2 is pulled and fixed through the steel wire rope 5, a balance tube 3 is movably arranged at one side of the buffer tube 2 in the bracket tube 1, a rope groove 31 is arranged on the outer side wall of the balance tube 3, an elastic rope 32 is arranged in the rope groove 31, two ends of the elastic rope 32 are both fixedly connected to the inner side wall of the bracket tube 1, the balance tube 3 can be driven by the elastic rope 32, can move up and down, thereby enabling the cable 100 to move downwards when the containing bottom plate 6 presses the buffer spring 7 downwards, and at the moment, the balance tube 3 can adjust the horizontal position of the balance tube 3 under the action of the elastic rope 32, so that the cable 100 can keep balance.
And the activity is provided with in buffer tube 2 and holds bottom plate 6, the cross section that holds bottom plate 6 sets up to semi-circular, place in buffer tube 2 bottoms, it is connected with buffer spring 7 with 2 inside walls of buffer tube to hold bottom plate 6, setting through buffer spring 7, can cushion absorption and antidetonation to placing cable 100 on holding bottom plate 6, when cable 100 receives the vibrations that external force brought, cable 100 can push down and hold bottom plate 6, it can push down buffer spring 7 to hold bottom plate 6, buffer spring 7 can absorb the vibrations buffering that cable 100 received.
A side groove 11 is arranged on the side wall of one side of the support rod 4, the side groove 11 is arranged on the left side, namely one side close to the buffer tube 2, a matching plate 12 is fixedly arranged at one end of the side groove 11 close to the support tube 1, the matching plate 12 is fixedly connected with one side close to the support tube 1, the matching plate 12 is fixedly connected with the outer side wall of the lower end of the support tube 1, a butt joint groove 13 is arranged in the matching plate 12, a movably arranged starting rod 10 is inserted in the butt joint groove 13, a rotating plate 14 is movably arranged in the side groove 11, a rotating shaft 15 is rotatably inserted in the rotating plate 14, the rotating shaft 15 is fixedly connected with the inner wall of the side groove 11, the rotating shaft 15 is connected with the rotating plate 14 through a torsion spring 16, a pressing groove 17 is arranged at one end of the rotating plate 14 close to the matching plate 12, a pressing block 18 is movably arranged in the pressing groove 17, a pressing spring 19 is connected between the pressing block 18 and the pressing groove 17, the pressing block 18 and the lever 10 are movably connected with the butt joint groove 13, when the rotating plate 14 is not rotated, the pressing block 18 and the actuating rod 10 are both arranged in the butt joint groove 13 and are in movable contact with each other, the rotating plate 14 is in a vertically downward state, when the actuating rod 10 absorbs the buffer in the containing bottom plate 6, the actuating rod 10 moves downward to push the pressing block 18 out of the butt joint groove 13, so that the pressing block 18 which is originally used for limiting the rotation of the rotating plate 14 retracts into the pressing groove 17, and the rotating plate 14 can be rotated under the driving of the energy storage release of the torsion spring 16 to rotate by 90 degrees to a horizontal state to protect the cable 100.
The rotating plate 14 is fixedly connected with a protection block 20, a cable protection groove 21 is formed in the protection block 20, inclined protection plates 22 are arranged on two sides of the cable protection groove 21, the cable protection groove 21 in the protection block 20 can protect the cable 100, so that when the protection block 20 rotates along with the rotating plate 14, the cable 100 can enter the cable protection groove 21 to be protected, namely when the cable 100 is vibrated by external force, the cable 100 can be buffered and quakeproof through the containing bottom plate 6, the cable 100 can be protected through the cable protection groove 21, a rod piece which is arranged on the cable 100 and causes vibration can be eliminated, a protection inclined plate 23 is movably arranged on the inclined protection plate 22, a protection spring 24 is connected between the protection inclined plate 23 and the inclined protection plate 22, the inclined protection plate 22 is used for protecting the cable 100, when the cable 100 is displaced in the left and right directions, the cable 100 cannot directly enter the cable protection groove 21, and can slide along the inclined protection plate 22 through the inclination angle of the inclined protection plate 22, and finally slide into the cable protection groove 21 and block off the lever providing an external force.
The first embodiment is as follows: as shown in fig. 11 and 12 of the specification, when the oblique rod 200 is erected on the cable 100 from the left side, an external force is applied to the cable 100 to generate a shock, the cable 100 is pressed in the right-down direction, at this time, when the protection block 20 is rotated to a horizontal state, the cable 100 slides along the oblique protection plate 22 and finally falls into the cable protection groove 21, and the oblique rod 200 is pushed away by the protection block 20 so that the cable 100 cannot be damaged by the external force any more.
Example two: as shown in fig. 13 and 14 of the specification, when the vertical access rod 300 falls from above and is placed on the cable 100, an external force is applied to the cable 100 to generate vertical vibration, the cable 100 is pressed downward, and at this time, when the protection block 20 is started to rotate to a horizontal state, the cable 100 directly falls into the cable protection groove 21, and the vertical access rod 300 is pushed upward by the protection block 20 and cannot be damaged by the external force any more on the cable 100.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a buffering protection support is set up to building cable, includes leg tube (1) and cradling piece (4), its characterized in that: the support frame comprises a support frame tube (1) and a support frame rod (4), wherein the support frame tube (1) is fixedly connected with a buffer tube (2), the buffer tube (2) is fixedly connected with the support frame tube (1) through a steel wire rope (5), a containing bottom plate (6) is movably arranged in the buffer tube (2), the containing bottom plate (6) and the inner side wall of the buffer tube (2) are connected with a buffer spring (7), the buffer tube (2) and the support frame tube (1) are provided with a lower insertion hole (8) and a through hole (9) in a vertically corresponding mode, a starting rod (10) is movably inserted in the lower insertion hole (8) and the through hole (9), and one end of the starting rod (10) is fixedly connected to the containing bottom plate (6);
a side groove (11) is formed in the side wall of one side of the support rod (4), a matching plate (12) is fixedly arranged at one end, close to the support pipe (1), of the side groove (11), a butt joint groove (13) is formed in the matching plate (12), a rotating plate (14) is movably arranged in the side groove (11), a rotating shaft (15) is inserted in the rotating plate (14) in a rotating mode, the rotating shaft (15) is fixedly connected with the inner wall of the side groove (11), the rotating shaft (15) is connected with the rotating plate (14) through a torsion spring (16), a pressing groove (17) is formed in one end, close to the matching plate (12), of the rotating plate (14), a pressing block (18) is movably arranged in the pressing groove (17), a pressing spring (19) is connected between the pressing block (18) and the pressing groove (17), and the pressing block (18) and the starting rod (10) are both movably connected with the butt joint groove (13), the lower pressing block (18) and the starting rod (10) are arranged in the butt joint groove (13) and are in movable contact with each other;
the cable protection device is characterized in that a protection block (20) is fixedly connected to the rotating plate (14), a cable protection groove (21) is formed in the protection block (20), and inclined protection plates (22) are arranged on two sides of the cable protection groove (21).
2. The building cable erection buffer protection bracket of claim 1, wherein: the support frame is characterized in that a balance pipe (3) is movably arranged on one side of a buffer pipe (2) in the support frame (1), a rope groove (31) is formed in the outer side wall of the balance pipe (3), an elastic rope (32) is arranged in the rope groove (31), and two ends of the elastic rope (32) are fixedly connected to the inner side wall of the support frame (1).
3. The building cable erection buffer protection bracket of claim 1, wherein: the protection device is characterized in that a protection inclined plate (23) is movably arranged on the inclined protection plate (22), and a protection spring (24) is connected between the protection inclined plate (23) and the inclined protection plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010434538.9A CN111416314B (en) | 2020-05-21 | 2020-05-21 | Building cable erection buffering protection bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010434538.9A CN111416314B (en) | 2020-05-21 | 2020-05-21 | Building cable erection buffering protection bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111416314A CN111416314A (en) | 2020-07-14 |
| CN111416314B true CN111416314B (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010434538.9A Active CN111416314B (en) | 2020-05-21 | 2020-05-21 | Building cable erection buffering protection bracket |
Country Status (1)
| Country | Link |
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| CN (1) | CN111416314B (en) |
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| EP2169796A2 (en) * | 2008-09-25 | 2010-03-31 | PUK-Werke KG Kunststoff-Stahlverarbeitung GmbH & Co. | Cable path |
| CN208107307U (en) * | 2018-02-10 | 2018-11-16 | 新昌县兴欧智能科技有限公司 | A kind of petroleum pipeline support device |
| CN208539520U (en) * | 2018-08-28 | 2019-02-22 | 陕西理工大学 | A kind of power transmission device in adjustable support direction |
| CN109473931A (en) * | 2018-12-19 | 2019-03-15 | 董立岩 | A kind of power transmission device in adjustable support direction and angle |
| CN208886136U (en) * | 2018-08-24 | 2019-05-21 | 李小庆 | A kind of municipal administration sewer pipe support device |
| CN110748737A (en) * | 2019-11-01 | 2020-02-04 | 泉州市亚创科技有限公司 | Adjustable supporting structure for hydraulic pipeline installation of hydraulic engineering |
| CN110994467A (en) * | 2019-12-11 | 2020-04-10 | 王启栋 | Cable support frame for electric power construction |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591764A (en) * | 2017-10-13 | 2018-01-16 | 潘承燕 | A kind of electric power for electric tower transports buffer unit |
| CN107869614A (en) * | 2017-12-14 | 2018-04-03 | 成都亚联科科技有限公司 | A kind of protection fixing device of hydraulic engineering pipeline |
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2020
- 2020-05-21 CN CN202010434538.9A patent/CN111416314B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040037417A (en) * | 2002-10-28 | 2004-05-07 | 전홍수 | Apparatus expelling magpie for a telegraph pole |
| EP2169796A2 (en) * | 2008-09-25 | 2010-03-31 | PUK-Werke KG Kunststoff-Stahlverarbeitung GmbH & Co. | Cable path |
| CN208107307U (en) * | 2018-02-10 | 2018-11-16 | 新昌县兴欧智能科技有限公司 | A kind of petroleum pipeline support device |
| CN208886136U (en) * | 2018-08-24 | 2019-05-21 | 李小庆 | A kind of municipal administration sewer pipe support device |
| CN208539520U (en) * | 2018-08-28 | 2019-02-22 | 陕西理工大学 | A kind of power transmission device in adjustable support direction |
| CN109473931A (en) * | 2018-12-19 | 2019-03-15 | 董立岩 | A kind of power transmission device in adjustable support direction and angle |
| CN110748737A (en) * | 2019-11-01 | 2020-02-04 | 泉州市亚创科技有限公司 | Adjustable supporting structure for hydraulic pipeline installation of hydraulic engineering |
| CN110994467A (en) * | 2019-12-11 | 2020-04-10 | 王启栋 | Cable support frame for electric power construction |
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| CN111416314A (en) | 2020-07-14 |
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Inventor after: Jiang Feng Inventor after: Shen Guining Inventor after: Shen Hengyu Inventor before: Shen Guining Inventor before: Shen Hengyu |
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Effective date of registration: 20210805 Address after: 315100 floor 7, building 1, Ningzhu center, No. 9, Guangfu street, Yinzhou District, Ningbo City, Zhejiang Province Applicant after: Jiang Feng Address before: 233000 west area of workshop 4, no.1717 Longhua Road, Huaishang District, Bengbu City, Anhui Province Applicant before: Bengbu Longhuai Construction Technology Co.,Ltd. |
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