CN216973185U - Sound barrier foundation connection structure - Google Patents
Sound barrier foundation connection structure Download PDFInfo
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- CN216973185U CN216973185U CN202123001127.XU CN202123001127U CN216973185U CN 216973185 U CN216973185 U CN 216973185U CN 202123001127 U CN202123001127 U CN 202123001127U CN 216973185 U CN216973185 U CN 216973185U
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Abstract
The utility model discloses a sound barrier foundation connecting structure which comprises supporting stand columns, noise reduction plates, a foundation connecting structure, a foundation and guardrails, wherein the supporting stand columns are of independent section steel structures and are arranged at intervals along the length directions of the foundation and the guardrails, the noise reduction plates are arranged between the supporting stand columns and jointly form a closed surface, the bottoms of the supporting stand columns are anchored at the top or the back of the foundation or the guardrails through the foundation connecting structure, the foundation connecting structure is of a steel structure or a concrete structure, the foundation is arranged at the back of the guardrails, the foundation and the guardrails are of an integral structure or an independent structure, and the foundation connecting structure comprises six types, such as a flange plate type, a riding type, a back anchor type, an insertion type, a spring type and a shared column type. Through reasonable design, the sound barrier foundation is firmly connected, and the use function is met; the probability that the vehicle falls off the bridge after impacting the sound barrier is effectively reduced; the construction is convenient, and the economy is good.
Description
Technical Field
The utility model belongs to the field of traffic noise prevention and control, and particularly relates to a sound barrier foundation connection structure.
Background
In order to promote national economic development and facilitate people's traffic trip, the road traffic construction of China is always in a high-speed development situation, and when a road route is designed, in the face of continuously increased traffic mileage and a relatively limited construction space, roads pass through or are close to residential areas more and more, and the traffic noise radiated on the two sides of the roads is also stronger and stronger. Sound barriers have found extremely widespread use on highways as a relatively simple, effective and economical means of noise reduction.
The problem that the basic connection of the existing sound barrier is not firm in the application process is solved, the sound barrier is generally high in structure, the basic connection almost has no strength in certain regions because the sound barrier cannot resist wind load, and the problem that the sound barrier falls off a bridge after being disconnected and lacks protection is solved; if the sound barrier foundation connection has certain strength and can resist wind load, but after the sound barrier foundation connection bears vehicle impact, the foundation connection still meets the requirement for lunch, and the upright post and the noise reduction plate material are very easy to fall under a bridge in the collision process; in addition, the width of the main structure of the bridge is increased for arranging the sound barrier, so that the construction cost of the engineering is increased, the economy is poor, the construction period is long, the method is only suitable for newly-built bridges or built bridges (few) with enough width, and is not suitable for most built bridges and poor in universality.
Through the analysis of the problems, the basic connection design of the basic connection arrangement of partial sound barriers in China is unreasonable, the use function of the sound barriers cannot be guaranteed, and the sound barriers have potential safety operation hazards. Therefore, the inventor provides a sound barrier foundation connection structure to solve the problems of safety and the like of sound barrier foundation connection setting and meet the safety protection requirements of highway operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sound barrier foundation connection structure to solve the problems of difficult installation and safe application of a sound barrier.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a sound barrier foundation connection structure, includes the support post, falls board, basic connection structure, basis, guardrail of making an uproar, the support post is independent shaped steel structure, and sets up along basis and guardrail length direction interval, fall the board setting of making an uproar between the support post, and the two constitutes a closed surface jointly, the support post bottom is passed through basic connection structure anchor at the top or the back of basis or guardrail, basic connection structure is steel construction or concrete structure, the guardrail includes combination formula guardrail, concrete guardrail, beam column formula guardrail, the basis sets up at the guardrail back, the basis is overall structure or independent structure with the guardrail.
Further, the foundation connecting structure comprises six types, namely a flange plate type, a riding type, a back anchor type, an insertion type, a spring type and a shared column type;
the flange plate type comprises a flange plate and anchor bolts, the flange plate is welded at the bottom of the support upright post, the anchor bolts are anchored at the top of the foundation or the guardrail, and the support upright post is fixedly connected with the flange plate through the anchor bolts;
the straddle type comprises a groove-shaped steel bayonet which is welded at the bottom of a supporting upright post, a penetrating anchor bolt hole is arranged on the groove-shaped steel bayonet, the foundation and the guardrail are in a strip-shaped structure, matched and transversely penetrating anchor bolt holes are also arranged on the foundation or the guardrail, and the groove-shaped steel bayonet is clamped at the upper part of the foundation or the guardrail and is connected through bolt anchoring;
the back anchor type guardrail comprises flange plates and anchor bolts, wherein the support stand columns are arranged at the back of the guardrail at intervals, the flange plates are welded on the side surfaces of the support stand columns, the anchor bolts are anchored on the side surfaces of the foundation or the back surface of the guardrail, and the support stand columns are fixedly connected with the flange plates through the anchor bolts;
the plug-in type comprises a sleeve, the sleeve is pre-embedded at the top of a foundation or a guardrail, the inner contour of the sleeve is slightly larger than that of a support upright post, and the bottom of the support upright post is inserted into the sleeve to form a built-in anchor;
the spring type anti-falling device comprises a spring, an anti-falling limiting pipe, flange plates and an anchoring bolt, wherein the spring is arranged between the two flange plates and is welded and fixed, the two flange plates can be vertically and elastically compressed through the spring, the upper flange plate is welded with the bottom of the supporting upright post, the anti-falling limiting pipe is welded in the corresponding spring, the outer diameter of the anti-falling limiting pipe is smaller than that of the spring and is separated from the lower flange plate by a certain distance, the anchoring bolt is embedded in the top of the foundation or the guardrail, and the anchoring bolt is fixedly connected with the lower flange plate;
the required guardrail form of sharing stand column is combination formula guardrail and beam column formula guardrail, sharing stand column includes the support post, the crossbeam, a pedestal, the connecting piece, the flange board, anchor bolt is pre-buried at the base top, support post bottom welded flange board, support post flange board is connected the vertical setting of anchor bolt on the base, pre-buried anchor bolt on the base, the crossbeam passes through the connecting piece and transversely sets up at the support post front end, and it is preceding to stick out the board of making an uproar, it vertically sets up in the support post both sides to fall the board of making an uproar.
Further, the connecting piece comprises notch font draw-in groove, stull and channel-section steel, and the stull is upper and lower open-ended rectangular pipe and sets up between notch font draw-in groove and channel-section steel, and the notch font draw-in groove is detained and is passed through bolted connection on the support post is preceding, detains into the crossbeam in the other end channel-section steel and passes through bolted connection.
Further, concrete guardrail includes concrete wall, combination formula guardrail and beam column formula guardrail include anticollision post, crossbeam 11, base, bolted connection spare, when basic connection structure is sharing column, the support post replaces the anticollision post wholly or partially.
Further, the flange plate is provided with anchor bolt holes.
Furthermore, the anchor bolt is anchored in a pre-buried or bar-planting mode.
After the technical scheme is adopted, the utility model has the following beneficial effects:
(1) through reasonable design, the sound barrier foundation is firmly connected, and the use function is met;
(2) the probability that the vehicle falls off the bridge after impacting the sound barrier is effectively reduced;
(3) the construction is convenient, the field assembly is realized, and the construction period is shortened;
(4) the economy is good, need not to increase bridge major structure width.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments are briefly described as follows:
FIG. 1 is a sectional view showing an example of embodiment 1 of the present invention;
FIG. 2 is an example of a front view of embodiment 1 of the present invention;
FIG. 3 is a sectional view showing an example of embodiment 2 of the present invention;
FIG. 4 is a cross-sectional view showing an example of embodiment 3 of the present invention;
FIG. 5 is a sectional view showing an example of embodiment 4 of the present invention;
FIG. 6 is a sectional view showing an example of embodiment 5 of the present invention;
FIG. 7 is a sectional view showing an example of embodiment 6 of the present invention;
FIG. 8 is a sectional view showing an example of embodiment 7 of the present invention;
fig. 9 is an example of a front view of a spring type base connecting member in embodiment 7 of the present invention;
FIG. 10 is an example of a cross-sectional view of embodiment 8 of the present invention;
FIG. 11 is a perspective view showing an example of a connecting member according to embodiment 8 of the present invention;
FIG. 12 is a sectional view showing an example of embodiment 9 of the present invention;
FIG. 13 is an example of a front view of embodiment 9 of the present invention;
reference numerals:
1. supporting the upright post; 2. a noise reduction plate; 3. a foundation; 4. a flange plate; 5. an anchor bolt; 6. a groove steel bayonet; 7. an anchor bolt hole; 8. a sleeve; 9. a spring; 10. an anti-drop limit pipe; 11. a cross beam; 12. a base; 13. a connecting member; 14. a concave-shaped clamping groove; 15. a cross brace; 16. channel steel; 17. a concrete wall; 18. anticollision stand.
Detailed Description
The present invention will be described in further detail with reference to examples and embodiments. It should not be understood that the scope of the above-described subject matter of the present invention is limited to the following examples, and all techniques realized based on the disclosure of the present invention are within the scope of the present invention.
As shown in fig. 1-2, which is an example of embodiment 1 of the present invention. The utility model provides a sound barrier foundation connection structure, includes support post 1, falls board 2, basic connection structure, basis 3, guardrail of making an uproar, support post 1 is independent shaped steel structure, and sets up along basis 3 and guardrail length direction interval 2m, fall board 2 settings of making an uproar between support post 1, and the two closure of constituteing jointly, support post 1 bottom is through the top of basic connection structure anchor at basis 3, basic connection structure is the steel construction, the guardrail is combination formula guardrail or beam column formula guardrail, basis 3 sets up at the guardrail back, basis 3 is overall structure with the guardrail.
The foundation connecting structure is a flange plate type and comprises a flange plate 4 and anchor bolts 5, the flange plate 4 is welded at the bottom of the supporting upright post 1, the anchor bolts 5 are embedded in the upper surface of the foundation 3, and the supporting upright post 1 is fixedly connected with the flange plate 4 through the anchor bolts 5;
the combined guardrail and the beam column guardrail comprise anti-collision upright posts 18, cross beams 11, a base 12, flange plates 4 and bolt connecting pieces.
As shown in fig. 3, embodiment 2 of the present invention is exemplified. The utility model provides a sound barrier foundation connection structure, includes support post 1, falls board 2, basic connection structure, guardrail of making an uproar, support post 1 is independent shaped steel structure, and sets up along guardrail length direction interval 2m, fall the setting of board 2 of making an uproar between support post 1, and the two constitutes a closed surface jointly, the top at the guardrail is passed through basic connection structure anchor in support post 1 bottom, the guardrail is the concrete guardrail, including concrete wall 17.
The foundation connection structure is of a flange plate type and comprises a flange plate 4 and anchor bolts 5, the flange plate 4 is welded at the bottom of the support upright post 1, the anchor bolts 5 are anchored at the top of the guardrail, and the support upright post 1 is connected with the flange plate 4 through the anchor bolts 5 in a fixed connection mode.
As shown in fig. 4, embodiment 3 of the present invention is exemplified. The utility model provides a sound barrier foundation connection structure, includes support post 1, falls board 2, basic connection structure, basis 3, guardrail of making an uproar, support post 1 is independent shaped steel structure, and sets up along 3 length direction intervals 3m on basis, fall the board 2 setting of making an uproar between support post 1, and the two constitutes a closed surface jointly, the top at basis 3 is passed through basic connection structure anchor in support post 1 bottom, basic connection structure is the steel construction, the guardrail is combination formula guardrail or beam column type guardrail, basis 3 sets up at the guardrail back, basis 3 is overall structure with the guardrail.
Basic connection structure is for riding the formula of striding, rides the formula and includes channel steel bayonet socket 6, and the welding of channel steel bayonet socket 6 is in support post 1 bottom, sets up the anchor bolt hole 7 that runs through on channel steel bayonet socket 6, and basis 3 is L nature bar structure for cross sectional shape, also sets up the horizontal anchor bolt hole 7 that runs through of assorted on basis 3, and channel steel bayonet socket 6 presss from both sides on 3 upper portions of basis and through bolt anchor connection.
The combined guardrail and the beam column guardrail comprise anti-collision upright posts 18, cross beams 11, a base 12, flange plates 4 and bolt connecting pieces.
As shown in fig. 5, embodiment 4 of the present invention is exemplified. The utility model provides a sound barrier foundation connection structure, includes support post 1, falls board 2, basic connection structure, guardrail of making an uproar, support post 1 is independent shaped steel structure, and sets up along guardrail length direction interval 3m, fall the setting of board 2 of making an uproar between support post 1, and the two closure of constituteing jointly, the top at the guardrail is passed through basic connection structure anchor in support post 1 bottom, basic connection structure is the steel construction, the guardrail is concrete guardrail, including concrete wall 17.
Basic connection structure is for riding the formula of striding, rides the formula and includes channel steel bayonet socket 6, and the welding of channel steel bayonet socket 6 sets up the anchor bolt hole 7 that runs through in 1 bottom of support post on the channel steel bayonet socket 6, also sets up the horizontal anchor bolt hole 7 that runs through of assorted on the guardrail, and channel steel bayonet socket 6 presss from both sides on guardrail upper portion and through bolt anchor connection.
As shown in fig. 6, embodiment 5 of the present invention is exemplified. The utility model provides a sound barrier foundation connection structure, includes support post 1, falls board 2, basic connection structure, guardrail of making an uproar, support post 1 is independent shaped steel structure, and sets up along guardrail length direction interval 3m, fall the setting of board 2 of making an uproar between support post 1, and the two closure of constituteing jointly, the top at the guardrail is passed through basic connection structure anchor in support post 1 bottom, basic connection structure is the steel construction, the guardrail is concrete guardrail, including concrete wall 17.
The foundation connecting structure is of a back anchor type, the back anchor type comprises flange plates 4 and anchor bolts 5, the supporting upright posts 1 are arranged at the back of the guardrail at intervals, the flange plates 4 are welded on the side faces of the supporting upright posts 1, the anchor bolts 5 are anchored on the back faces of the guardrail, and the supporting upright posts 1 are fixedly connected with the flange plates 4 through the anchor bolts 5;
as shown in fig. 7, embodiment 6 of the present invention is exemplified. The utility model provides a sound barrier foundation connection structure, includes support post 1, falls board 2, basic connection structure, basis 3, guardrail of making an uproar, support post 1 is independent shaped steel structure, and sets up along 3 length direction intervals 3m on basis, fall board 2 settings of making an uproar between support post 1, and the two constitutes a confining surface jointly, the top at basis 3 is passed through the anchor of basic connection structure in support post 1 bottom, basic connection structure is the steel construction, the guardrail is combination formula guardrail or beam column formula guardrail, basis 3 sets up at the guardrail back, basis 3 is overall structure with the guardrail.
The plug-in type comprises a sleeve 8, wherein the sleeve 8 is pre-embedded at the top of the foundation 3, the inner profile of the sleeve 8 is slightly larger than that of the support upright post 1, and the bottom of the support upright post 1 is inserted into the sleeve 8 to form a built-in anchoring.
As shown in fig. 8-9, example 7 of the present invention. The utility model provides a sound barrier foundation connection structure, includes support post 1, falls board 2, basic connection structure, guardrail of making an uproar, support post 1 is independent shaped steel structure, and sets up along guardrail length direction interval 3m, fall the setting of board 2 of making an uproar between support post 1, and the two constitutes a closed surface jointly, the top at the guardrail is passed through basic connection structure anchor in support post 1 bottom, basic connection structure is the steel construction, the guardrail is the concrete guardrail, including concrete wall 17.
The spring includes spring 9, spacing pipe 10 of anticreep, flange plate 4, anchor bolt 5, spring 9 sets up between two flange plates 4 and welded fastening, the vertical elastic compression of accessible spring 9 between two flange plates 4, upper flange plate 4 and the welding of support post 1 bottom, the spacing pipe 10 of anticreep welds in the spring 9 that corresponds, the spacing pipe 10 external diameter of anticreep is little than spring 9, and be separated from the uniform distance with lower floor's flange plate 4, anchor bolt 5 is pre-buried at the guardrail top, anchor bolt 5 and lower floor's flange plate 4 fixed connection.
Fig. 10 shows an example of embodiment 8 of the present invention. The utility model provides a sound barrier foundation connection structure, includes support post 1, falls board 2, basic connection structure, guardrail of making an uproar, support post 1 is independent shaped steel structure, and sets up along guardrail length direction interval 3m, fall the setting of board 2 of making an uproar between support post 1, and the two constitutes a closed surface jointly, the top at the guardrail is passed through basic connection structure anchor in support post 1 bottom, basic connection structure is the steel construction, the guardrail is combination formula guardrail or beam column type guardrail.
The combined guardrail and the beam column guardrail comprise anti-collision upright posts 18, cross beams 11, a base 12, flange plates 4 and bolt connecting pieces.
The foundation connection structure is common column, support column 1 all replaces crashproof stand 18, common column is including support column 1, crossbeam 11, base 12, connecting piece 13, flange plate 4, anchor bolt 5 is pre-buried at base 12 top, 1 bottom welding flange board 4 of support column, 1 flange plate connection anchor bolt 5 of support column is vertical to be set up on base 12, pre-buried anchor bolt 5 on base 12, crossbeam 11 transversely sets up at 1 front end of support column through connecting piece 13, and it is preceding to stick out the board of making an uproar 2, it vertically sets up in 1 both sides of support column to fall the board of making an uproar 2.
As shown in fig. 11, is an example of the connector according to embodiment 8 of the present invention. Connecting piece 13 comprises character cut in bas-relief shape draw-in groove 14, stull 15 and channel-section steel 16, and stull 15 is upper and lower open-ended rectangular pipe and sets up between character cut in bas-relief shape draw-in groove 14 and channel-section steel 16, and character cut in bas-relief shape draw-in groove 14 is detained in support post 1 preceding and is passed through bolted connection, and the crossbeam 11 of buckling into in the other end channel-section steel 16 passes through bolted connection.
The anchoring bolts 5 are anchored in a pre-buried or bar-planting mode.
As shown in fig. 12 to 13, which are examples of embodiment 9 of the present invention. The utility model provides a sound barrier foundation connection structure, includes support post 1, falls board 2, basic connection structure, guardrail of making an uproar, support post 1 is independent shaped steel structure, and sets up along guardrail length direction interval 4m, fall the setting of board 2 of making an uproar between support post 1, and the two constitutes a closed surface jointly, the top at the guardrail is passed through basic connection structure anchor in support post 1 bottom, basic connection structure is the steel construction, the guardrail is combination formula guardrail or beam column type guardrail.
The combined guardrail and the beam column type guardrail comprise anti-collision upright posts 18, cross beams 11, a base 12, flange plates 4 and bolt connecting pieces, wherein the anti-collision upright posts 18 are arranged at intervals of 4m along the length direction of the guardrail.
Basic connection structure is the sharing column, 1 interval of support post replaces crashproof stand 18, the sharing column is including support post 1, crossbeam 11, base 12, connecting piece 13, flange board 4, anchor bolt 5 is pre-buried at base 12 top, support post 1 and 18 bottom welded flange boards 4 of crashproof stand, the vertical setting of anchor bolt 5 is connected to support post 1 flange board on base 12, pre-buried anchor bolt 5 on the base 12, support post 1 passes through connecting piece 13 anchor at crossbeam 11 back, and it is preceding that the board 2 of making an uproar falls in the salient, it vertically sets up in support post 1 both sides to fall the board 2 of making an uproar.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a sound barrier foundation connection structure, includes support post (1), falls board (2), basic connection structure, basis (3), guardrail of making an uproar, its characterized in that: support post (1) is independent shaped steel structure, and sets up along basis (3) and guardrail length direction interval, fall board (2) of making an uproar and set up between support post (1), and the two constitutes a closed surface jointly, support post (1) bottom is through the top or the back of basic connection structure anchor at basis (3) or guardrail, basic connection structure is steel construction or concrete structure, the guardrail includes combination formula guardrail, concrete guardrail, beam column type guardrail, basis (3) set up at the guardrail back, basis (3) are overall structure or independent structure with the guardrail.
2. A sound barrier foundation attachment structure as claimed in claim 1, wherein: the foundation connecting structure comprises six types, namely a flange plate type, a riding type, a back anchor type, an insertion type, a spring type and a shared column type;
the flange plate type structure comprises a flange plate (4) and anchor bolts (5), the flange plate (4) is welded at the bottom of a support upright post (1), the anchor bolts (5) are anchored at the top of a foundation (3) or a guardrail, and the support upright post (1) is fixedly connected with the flange plate (4) through the anchor bolts (5);
the straddle type steel rail comprises a groove type steel bayonet (6), the groove type steel bayonet (6) is welded at the bottom of a supporting upright post (1), a through anchoring bolt hole (7) is formed in the groove type steel bayonet (6), a foundation (3) and a guardrail are of a strip-shaped structure, a matched transverse through anchoring bolt hole (7) is also formed in the foundation (3) or the guardrail, and the groove type steel bayonet (6) is clamped at the upper part of the foundation (3) or the guardrail and is anchored and connected through bolts;
the back anchor type guardrail comprises flange plates (4) and anchor bolts (5), the support upright posts (1) are arranged at the back of the guardrail at intervals, the flange plates (4) are welded on the side surfaces of the support upright posts (1), the anchor bolts (5) are anchored on the side surfaces of the foundation (3) or the back surface of the guardrail, and the support upright posts (1) are fixedly connected with the flange plates (4) through the anchor bolts (5);
the embedded type anchor rod comprises a sleeve (8), wherein the sleeve (8) is embedded in the top of a foundation (3) or a guardrail in an embedded mode, the inner profile of the sleeve (8) is slightly larger than that of a support upright post (1), and the bottom of the support upright post (1) is inserted into the sleeve (8) to form embedded anchoring;
the spring type anti-dropping device comprises springs (9), anti-dropping limiting pipes (10), flange plates (4) and anchor bolts (5), wherein the springs (9) are arranged between the two flange plates (4) and are welded and fixed, the two flange plates (4) can be vertically and elastically compressed through the springs (9), the upper flange plate (4) is welded with the bottom of the support upright post (1), the anti-dropping limiting pipes (10) are welded in the corresponding springs (9), the outer diameters of the anti-dropping limiting pipes (10) are smaller than those of the springs (9) and are separated from the lower flange plate (4) by a certain distance, the anchor bolts (5) are embedded in the top of a foundation (3) or a guardrail, and the anchor bolts (5) are fixedly connected with the lower flange plate (4);
the required guardrail form of sharing column is combination formula guardrail and beam column formula guardrail, the sharing column is including support post (1), crossbeam (11), base (12), connecting piece (13), flange plate (4), anchor bolt (5) are pre-buried at base (12) top, support post (1) bottom welding flange board (4), support post (1) flange connection anchor bolt (5) vertical setting is on base (12), pre-buried anchor bolt (5) are gone up in base (12), crossbeam (11) transversely set up at support post (1) front end through connecting piece (13), and it is preceding that board (2) of making an uproar fall in the outstanding, it vertically sets up in support post (1) both sides to fall board (2) of making an uproar.
3. A sound barrier foundation attachment structure as claimed in claim 2, wherein: connecting piece (13) comprise notch font draw-in groove (14), stull (15) and channel-section steel (16), stull (15) are upper and lower open-ended rectangular pipe and set up between notch font draw-in groove (14) and channel-section steel (16), and notch font draw-in groove (14) are detained and are passed through bolted connection on support post (1) is preceding, and it passes through bolted connection to buckle into crossbeam (11) in other end channel-section steel (16).
4. A sound barrier foundation attachment structure as claimed in claim 1, wherein: the concrete guardrail includes concrete wall (17), combination formula guardrail and beam column formula guardrail include anticollision post (18), crossbeam (11), base (12), flange board (4), bolted connection spare, when basic connection structure is sharing stand, support post (1) is whole or partial replacement anticollision post (18).
5. A sound barrier foundation attachment structure as claimed in claim 2, wherein: and the flange plate (4) is provided with an anchoring bolt hole (7).
6. A sound barrier foundation attachment structure as claimed in claim 2, wherein: the anchor bolt (5) is anchored in a pre-buried or bar-planting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123001127.XU CN216973185U (en) | 2021-12-02 | 2021-12-02 | Sound barrier foundation connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123001127.XU CN216973185U (en) | 2021-12-02 | 2021-12-02 | Sound barrier foundation connection structure |
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| Publication Number | Publication Date |
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| CN216973185U true CN216973185U (en) | 2022-07-15 |
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| CN202123001127.XU Active CN216973185U (en) | 2021-12-02 | 2021-12-02 | Sound barrier foundation connection structure |
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| CN (1) | CN216973185U (en) |
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- 2021-12-02 CN CN202123001127.XU patent/CN216973185U/en active Active
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