CN206655062U - Concrete support column and overhead rail system for overhead rail system - Google Patents
Concrete support column and overhead rail system for overhead rail system Download PDFInfo
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- CN206655062U CN206655062U CN201720729093.0U CN201720729093U CN206655062U CN 206655062 U CN206655062 U CN 206655062U CN 201720729093 U CN201720729093 U CN 201720729093U CN 206655062 U CN206655062 U CN 206655062U
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Abstract
Technical field of rail traffic is the utility model is related to, a kind of concrete support column and overhead rail system for overhead rail system is specifically provided.The problem of aiming to solve the problem that support post cast-in-site.For this purpose, support post of the present utility model includes the first concrete column module, it is used to be fixedly connected with cushion cap；Second concrete column module, it is used to set up track girder, and the first concrete column module and the second concrete column module form support post by way of splicing.Overhead rail system includes the above-mentioned concrete support column for overhead rail system.Using concrete support column of the present utility model, only need to job site to connect and compose the concrete column modular transportation of pouring molding with connecting method, concrete need not be poured into a mould at the construction field (site), speed of application is improved, reduces construction cost, reduces construction cost, improve construction quality, environmental pollution is avoided, reduces noise pollution, realizes green construction.
Description
Technical field
Technical field of rail traffic is the utility model is related to, a kind of concrete branch for overhead rail system is specifically provided
Support column and overhead rail system.
Background technology
Current era, traffic congestion has become one of the problem of perplexing urban development, particularly in recent years, with China
Urban economy trade, social activities increasingly frequently, and the raising of living standards of the people, urban transportation is with unprecedented
Speed rapid growth, traditional Road traffic devices do not adapt to the needs of modern social development not only, and bring ecological ring
The pollution in border.How to alleviate increasingly severe Urban Traffic Jam Based and environmental pollution, turn into large- and-medium size cities and urgently break
The development problem of solution, therefore, it is very urgent to greatly develop traffic system for overhead track, it is imperative.
Traffic system for overhead track includes track girder, multiple support posts for supporting track beam and along track girder
The track train for extending laterally direction running, the spacing between adjacent two supporting frameworks is smaller, and the base of support post
Plinth is smaller, if support post is constructed by the way of cast-in-site of the prior art, it would be desirable to lay interim transport routes,
Material, equipment conveying and cast-in-place concrete etc. are accumulated, equipment investment is larger, and construction cost is high, thickness of protection tier
It is whard to control, pollute environment.
Based on above-mentioned present situation, how to solve the problems, such as support post cast-in-site, just turn into the technical problem of urgent need to resolve.
In consideration of it, special propose the utility model.
Utility model content
It has been to solve the problems, such as support post cast-in-site, this practicality to solve above mentioned problem of the prior art
It is new to provide a kind of concrete support column for overhead rail system and include：First concrete column module, it is used for
It is fixedly connected with cushion cap；And the second concrete column module, it is used to set up track girder, the first concrete column module and
Two concrete column modules form support post by way of splicing.
In the optimal technical scheme of above-mentioned support post, support post also includes at least one 3rd concrete column mould
Block, the 3rd concrete column module is used to be arranged at the first concrete column module by way of splicing and the second concrete is stood
Support post is collectively formed between post module.
In the optimal technical scheme of above-mentioned support post, the first concrete column module, the second concrete column module,
3rd three kinds of concrete column module concrete column module is used for the end spliced, and is provided with for concrete adjacent thereto
The lug boss and/or concave part of column module splicing.
In the optimal technical scheme of above-mentioned support post, the first concrete column module, the second concrete column module,
The bottom of 3rd concrete column module sets lug boss, the first concrete column module, the 3rd concrete column module
Upper end sets concave part；Or the first concrete column module, the second concrete column module, the 3rd concrete column module
Bottom set concave part, the first concrete column module, the 3rd concrete column module upper end set lug boss.
In the optimal technical scheme of above-mentioned support post, concrete column module is recessed when being spliced to form support post
The axis of groove portion and the axis of lug boss overlap.
In the optimal technical scheme of above-mentioned support post, the groove of two neighboring concrete column module stitching portion end
Portion and lug boss interference fit.
In the optimal technical scheme of above-mentioned support post, be additionally provided with concrete column module it is at least one axially through
Plug hole, plug hole concrete column module splicing after be correspondingly arranged, for pouring into a mould concrete and/or wearing reinforcing bar.
In the optimal technical scheme of above-mentioned support post, plug hole includes the first plug hole and the second plug hole, and first
The axis of plug hole is overlapped with concrete column module axis, and the second plug hole is set around the first plug hole.
In the optimal technical scheme of above-mentioned support post, in the cross section of concrete column module, the second plug hole
It is uniformly distributed on the circumference using the central point of the first plug hole as the center of circle.
In the optimal technical scheme of above-mentioned support post, the cross section of concrete column module is rectangle or triangle,
Or polygon or circular or ellipse.
In the optimal technical scheme of above-mentioned support post, the end face of concrete column module stitching portion is provided with connection
Portion, two neighboring concrete column module carries out bolt by connecting portion and is fixedly connected, or is welded and fixed connection.
In addition, the utility model additionally provides a kind of overhead rail system, the system is used for overhead rail system including above-mentioned
The concrete support column of system.
It will be appreciated to those of skill in the art that concrete support column of the present utility model is stood by the first concrete
Post module, the second concrete column module, the 3rd concrete column module are formed in a manner of splicing, compared to the prior art,
Concrete support column of the present utility model is only needed the concrete column modular transportation of pouring molding to job site to spell
The mode of connecing connects, and improves speed of application, it is not necessary to pours into a mould concrete at the construction field (site), more need not be transport coagulation
The interim transport routes of the layings such as soil, casting equipment, substantial amounts of raw material need not be accumulated at the construction field (site), reduce and be constructed into
This, improves construction quality, avoids environmental pollution, reduce noise pollution, realize green construction.
In addition, in the technical solution of the utility model, by be arranged on concrete column module be used for splice end
Lug boss and/or concave part, can be more easily and efficiently by adjacent two concrete column modules connection, positioning, letter
The working procedure of support post is changed, has improved the assembling progress of support post, beneficial to overhead rail system installation exercise.
Further, in the technical solution of the utility model, can be poured into the plug hole in concrete column module
Note high-strength mortar, adjacent two concrete column modules connected, avoid two adjacent concrete column modules because
The unbalanced security performance for causing to ftracture, improving support post of concrete shrinkage, concrete column module is avoided because of construction
Factor causes situations such as voids and pits and incomplete Concrete Filled, improves the construction quality of support post.Can also be to
Reinforcing bar is worn in pouring hole, under the double action of reinforcing bar and concrete, strengthens the stability of supporting framework.
Scheme 1：A kind of concrete support column for overhead rail system, it is characterised in that：The support post bag
Include：
First concrete column module, it is used to be fixedly connected with cushion cap；And
Second concrete column module, it is used to set up track girder, the first concrete column module and described second
Concrete column module forms the support post by way of splicing.
Scheme 2：According to the support post described in scheme 1, it is characterised in that：The support post also includes at least one the
Three concrete column modules, the 3rd concrete column module are used to be arranged at first concrete by way of splicing
The support post is collectively formed between column module and the second concrete column module.
Scheme 3：According to the support post described in scheme 2, it is characterised in that：It is the first concrete column module, described
Second concrete column module, described 3rd concrete column module, three kinds of concrete column modules are used for the end spliced, if
It is equipped with the lug boss and/or concave part for concrete column module splicing adjacent thereto.
Scheme 4：According to the support post described in scheme 3, it is characterised in that：It is the first concrete column module, described
Second concrete column module, the bottom of the 3rd concrete column module set the lug boss, first coagulation
Native column module, the upper end of the 3rd concrete column module set the concave part；Or
The first concrete column module, the second concrete column module, the 3rd concrete column module
Bottom the concave part, the first concrete column module, the upper end of the 3rd concrete column module are set
The lug boss is set.
Scheme 5：According to the support post described in scheme 4, it is characterised in that：The concrete column module is being spliced to form
During the support post, the axis of the axis of the concave part and the lug boss overlaps.
Scheme 6：According to the support post described in scheme 3, it is characterised in that：Two neighboring concrete column module stitching portion
The concave part of end and lug boss interference fit.
Scheme 7：Support post according to any one of scheme 3 to 6, it is characterised in that：The concrete column mould
Be additionally provided with block it is at least one axially through plug hole, the plug hole the concrete column module splicing after correspondingly set
Put, for pouring into a mould concrete and/or wearing reinforcing bar.
Scheme 8：According to the support post described in scheme 7, it is characterised in that：The plug hole includes the first plug hole and the
Two plug holes, the axis of first plug hole overlap with the concrete column module axis, second plug hole around
First plug hole is set.
Scheme 9：According to the support post described in scheme 8, it is characterised in that：In the cross section of the concrete column module
In, second plug hole is uniformly distributed on the circumference using the central point of first plug hole as the center of circle.
Scheme 10：Support post according to any one of scheme 3 to 6, it is characterised in that：The concrete column mould
The cross section of block is rectangle or triangle or polygon or circular or ellipse.
Scheme 11：Support post according to any one of scheme 3 to 6, it is characterised in that：The concrete column mould
The end face of block stitching portion is provided with connecting portion, and the two neighboring concrete column module carries out bolt by the connecting portion and consolidated
Fixed connection, or it is welded and fixed connection.
Scheme 12：A kind of overhead rail system, it is characterised in that including being used for sky any one of scheme 1 to 11
The concrete support column of middle orbit system.
Brief description of the drawings
Fig. 1 is the first structure schematic diagram of concrete support column of the present utility model；
Fig. 2 is the second structural representation of concrete support column of the present utility model；
Fig. 3 is the 3rd structural representation of concrete support column of the present utility model；
Fig. 4 is the 4th structural representation of concrete support column of the present utility model；
Fig. 5 is the 5th structural representation of concrete support column of the present utility model；
Fig. 6 is the 6th structural representation of concrete support column of the present utility model；
Fig. 7 is the 7th structural representation of concrete support column of the present utility model；
Fig. 8 is the structural representation of concrete column module of the present utility model；
Fig. 9 is the top view of concrete column module of the present utility model.
Embodiment
Preferred embodiment of the present utility model described with reference to the accompanying drawings.It should be understood by those skilled in the art that
It is that these embodiments are used only for explaining technical principle of the present utility model, it is not intended that limit protection of the present utility model
Scope.
It should be noted that in description of the present utility model, term " " center ", " on ", " under ", the side of the instruction such as " interior "
To or the term of position relationship be to be based on direction shown in the drawings or position relationship, this is intended merely to facilitate description, rather than
Instruction implies that described device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, without being understood that
To indicate or implying relative importance.
In addition it is also necessary to explanation, in description of the present utility model, unless otherwise clearly defined and limited, art
Language " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be with
It is mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of individual element internal.To those skilled in the art, it can understand that above-mentioned term is new in this practicality as the case may be
Concrete meaning in type.
Constructed based on the support post in the prior art proposed in background technology by the way of cast-in-site, equipment investment
It is larger, the problem of construction cost is high, the utility model provide a kind of concrete support column for overhead rail system and
Overhead rail system, it is vertical that support is formed by way of splicing by the first concrete column module and the second concrete column module
Post, it is not necessary to pour into a mould concrete at the construction field (site), more need not be the interim haul roads of laying such as transport concrete, casting equipment
Road, substantial amounts of raw material need not be accumulated at the construction field (site), reduce construction cost, improve construction quality, avoid environment
Pollution, reduces noise pollution, realizes green construction.
Referring to Fig. 1 to Fig. 9, Fig. 1 is the first structure schematic diagram of concrete support column of the present utility model；Fig. 2 is this
Second structural representation of the concrete support column of utility model；Fig. 3 is the of concrete support column of the present utility model
Three structural representations；Fig. 4 is the 4th structural representation of concrete support column of the present utility model；Fig. 5 is the utility model
Concrete support column the 5th structural representation；Fig. 6 is that the 6th structure of concrete support column of the present utility model is shown
It is intended to；Fig. 7 is the 7th structural representation of concrete support column of the present utility model；Fig. 8 is concrete of the present utility model
The structural representation of column module；Fig. 9 is the top view of concrete column module of the present utility model.As shown in figure 1, this practicality
The new concrete support column for overhead rail system includes the first concrete column module 1, and it is used to consolidate with cushion cap
Fixed connection；And the second concrete column module 2, it is used to set up track girder, the first concrete column module 1 and the second coagulation
Native column module 2 forms support post by way of splicing.
Wherein, cushion cap is referred to bear, being distributed each stake top of connection by the load of pier shaft transmission, set at the top of pile foundation
Reinforced concrete platform.
In a kind of preferably embodiment, as shown in Fig. 2 support post also includes the 3rd concrete column module 3, the
Three concrete column modules 3 are used to be arranged at the first concrete column module 1 and the second concrete column by way of splicing
Support post is collectively formed between module 2.
Those skilled in the art is, it is understood that as shown in figure 3, the quantity of the 3rd concrete column module 3 can be with
Change its quantity according to actual conditions (antenna height of such as track girder), but no matter the quantity of the 3rd concrete column module 3
How much is increase, and short transverse of the 3rd all concrete column modules 3 along concrete support column is set gradually, and makes the
The axis of one concrete column module 1, the axis of the second concrete column module 2 and the 3rd all concrete column moulds
The axis of block 3 overlaps so that concrete support column is more stable.
Preferably, as shown in Figures 1 to 7, support post is Y shape, inverted L-shaped, door shape, T-shaped or racket-shaped.Further
Ground, the top of door shape can also be set camber, constitute the support post of arch.
Preferably, the cross section of concrete column module is rectangle, triangle, polygon, circle, ellipse etc..Coagulation
The material of native column module is prestressed concrete, armored concrete, steel reinforced concrete or concrete filled steel tube.
In a kind of preferably embodiment, as shown in figure 8, the first concrete column module 1, the second concrete column mould
3 three kinds of block 2, the 3rd concrete column module concrete column modules are used for the end spliced, and are provided with for adjacent thereto
The lug boss 4 and/or concave part 5 of concrete column module splicing, lug boss 4 or groove in any one concrete column module
Portion 5 can be adjacent with the concrete column module concrete column module on concave part 5 or lug boss 4 be engaged, energy
It is enough that two more adjacent concrete column modules are connected, positioned, simplify the construction work of support post
Sequence, the assembling progress of support post is improved, beneficial to overhead rail system installation exercise.
Preferably, the first concrete column module 1, the second concrete column module 2, the 3rd concrete column module 3
Bottom is respectively provided with lug boss 4, and lug boss 4 is raised to the lower section of concrete column module, the first concrete column module 1, the
The upper end of three concrete column modules 3 is respectively provided with concave part 5；Or the first concrete column module 1, the second concrete are stood
Post module 2, the bottom of the 3rd concrete column module 3 are respectively provided with concave part 5, and concave part 5 is upper to concrete column module
Side's depression, the first concrete column module 1, the upper end of the 3rd concrete column module 3 set lug boss 4.
Further, concave part 5 is arranged at the center at top of concrete column module, lug boss 4 is set
At the center of the bottom of concrete column module, concrete column module is when being spliced to form support post, the axle of concave part 5
The axis of line and lug boss 4 overlaps, and improves the precision of concrete column module positioning so that two concrete being connected are stood
Post module stress balance, improve the stability of concrete column module connection.
Preferably, the depth and width of concave part 5 and the height of lug boss 4, width are consistent, and two neighboring concrete
The concave part 5 and lug boss 4 of column module stitching portion end are interference fitted, it is therefore prevented that concrete column module is relative to rock, and carries
The high stability of concrete column module connection.
In order to improve the stability of support post, as shown in figure 9, being additionally provided with least one axial direction in concrete column module
The plug hole 6 of insertion, plug hole 6 are correspondingly arranged after the splicing of concrete column module, and plug hole 6 is used to pour into a mould concrete.
Two adjacent concrete column modules are connected by pouring into a mould high-strength mortar into plug hole 6 so that coagulation
Under the double action of splicing connection of the native column module between concrete connection and concrete column module, support is strengthened
The stability of framework, it is molded relative to the disposal pouring of prior art, using above-mentioned pouring type, avoids adjacent two
Concrete column module ftractures caused by concrete shrinkage is unbalanced, improves the security performance of support post, avoids coagulation
Native column module improves applying for support post because of the voids and pits caused by construction factor and incomplete Concrete Filled situations such as
Working medium amount.
In order to strengthen the stability of support post, plug hole 6 includes the first plug hole 61 and the second plug hole 62, and first pours
The axis of orifice 61 overlaps with concrete column module axis, selection of land, and the first plug hole 61 is arranged on the center of concave part 5
Place；Second plug hole 62 is set around the first plug hole 61, it is preferable that the quantity of the second plug hole 62 is multiple, is stood in concrete
In the cross section of post module, the second plug hole 62 is uniformly distributed on the circumference using the central point of the first plug hole 61 as the center of circle,
Further, four the second plug holes 62 are uniformly arranged circumferentially around the first plug hole 61 so that concrete column module stress
Uniformly, the stability of concrete column module connection is improved.
In order to further strengthen the stability of support post, above-mentioned plug hole 6 can also be used to wear reinforcing bar, first by reinforcing bar
It is located in plug hole 6, and/or concrete is poured into a mould into plug hole 6, in reinforcing bar, concrete and concrete column mould
Under the collective effect of splicing connection between block, the stability of supporting framework is strengthened.
In said structure, the cross section of plug hole 6 can be circular, square, triangle, polygon or irregular shape.
The quantity of plug hole 6 is multiple, and all plug holes 6 can also be in ring on the cross section of concrete column module
Shape distribution, quincunx distribution, rectangular array distribution etc..
In a kind of preferably embodiment, as shown in figure 1, the end face of concrete column module stitching portion is provided with connection
Portion 7, two neighboring concrete column module carries out bolt by connecting portion 7 and is fixedly connected, and/or is welded and fixed connection,
Connecting portion 7 is prepared using shaped steel.
Preferably, as shown in fig. 6, the upper surface of concrete column module is provided with first connecting portion 71, concrete column mould
The lower surface of block is provided with second connecting portion 72 corresponding with first connecting portion 71, and the first of two adjacent concrete columns is connected
Socket part 71 and second connecting portion 72 are welded to connect.
Further, the first connecting hole 711 is offered in first connecting portion 71, offered in second connecting portion 72 with
Second connecting hole 721 corresponding to first connecting hole 711, connecting screw is sequentially passed through into a concrete column module first connect
The second connecting hole 721 of hole 711 and another concrete column module adjacent thereto is connect, by two concrete column modules
Threaded connection.
Preferably, the first connecting hole 711 and the second connecting hole 721 vertically correspond to, and the quantity of the first connecting hole 711 is more
It is individual.
Certainly, can be simultaneously using being welded to connect and screw thread in order to ensure the stability of concrete support column connection
Two kinds of connected modes of connection are fixed, and under the double action for being threadedly coupled and being welded to connect, improve concrete support and stand
The stability of post connection.
Using the above-mentioned support post for overhead rail system, first, a concrete column module is passed through into setting
Its bottom lug boss 4 or concave part 5 and be arranged on the concave part 5 or projection of another concrete column module upper end
Portion 4 is connected together, and realizes being located by connecting for two adjacent concrete column modules；Secondly, two adjacent coagulations are adjusted
The relative position of native column module so that the first connecting hole 711 and the second connecting hole 721 of two concrete column modules are vertical
Correspond to, and the plug hole 6 of two concrete column modules is vertically corresponded to, and connecting screw is sequentially passed through into a concrete column
First connecting hole 711 of module and the second connecting hole 721 of another concrete column module adjacent thereto, it is mixed by two
Solidifying native column module threaded connection, or be welded to connect the connecting plate 72 of first connecting portion 71 and second by the way of welding；
Again, in order to strengthen the stability of support post, high-strength mortar is poured into a mould into plug hole 6, will be adjacent by high-strength mortar
Two concrete column modules connection, improve concrete column module 1 connection stability.
It should be further stated that in order to further strengthen the stability of support post, it is high being poured into a mould into plug hole 6
Before strength mortar, first reinforcing bar is located in plug hole 6, then high-strength mortar is poured into a mould into plug hole 6, in reinforcing bar, high-strength
Spend under the double action under the collective effect of the splicing connection between mortar and concrete column module, strengthen supporting framework
Stability.
In another aspect, the utility model also provides a kind of overhead rail system, and the overhead rail system includes above-mentioned
For the concrete support column of overhead rail system, cast-in-place concrete is not needed using the support post, avoids ring
Border is polluted, and reduces construction cost.
So far, combined preferred embodiment shown in the drawings describes the technical solution of the utility model, still, this
Art personnel are it is easily understood that the scope of protection of the utility model is expressly not limited to these embodiments.
On the premise of principle of the present utility model, those skilled in the art can make equivalent change to correlation technique feature
Or replace, the technical scheme after these are changed or replaced it is fallen within the scope of protection of the utility model.
Claims (12)
- A kind of 1. concrete support column for overhead rail system, it is characterised in that：The support post includes：First concrete column module, it is used to be fixedly connected with cushion cap；AndSecond concrete column module, it is used to set up track girder, the first concrete column module and second coagulation Native column module forms the support post by way of splicing.
- 2. support post according to claim 1, it is characterised in that：It is mixed that the support post also includes at least one 3rd Native column module is coagulated, the 3rd concrete column module is used to be arranged at first concrete column by way of splicing The support post is collectively formed between module and the second concrete column module.
- 3. support post according to claim 2, it is characterised in that：The first concrete column module, described second Concrete column module, described 3rd concrete column module, three kinds of concrete column modules are used for the end spliced, and are provided with The lug boss and/or concave part spliced for concrete column module adjacent thereto.
- 4. support post according to claim 3, it is characterised in that：The first concrete column module, described second Concrete column module, the bottom of the 3rd concrete column module set the lug boss, and first concrete is stood Post module, the upper end of the 3rd concrete column module set the concave part；OrUnder the first concrete column module, the second concrete column module, the 3rd concrete column module Concave part described in end set, the first concrete column module, the upper end of the 3rd concrete column module are set The lug boss.
- 5. support post according to claim 4, it is characterised in that：The concrete column module be spliced to form it is described During support post, the axis of the axis of the concave part and the lug boss overlaps.
- 6. support post according to claim 3, it is characterised in that：Two neighboring concrete column module stitching portion end The concave part and the lug boss interference fit.
- 7. the support post according to any one of claim 3 to 6, it is characterised in that：In the concrete column module Be additionally provided with it is at least one axially through plug hole, the plug hole the concrete column module splicing after be correspondingly arranged, For pouring into a mould concrete and/or wearing reinforcing bar.
- 8. support post according to claim 7, it is characterised in that：The plug hole pours including the first plug hole and second Orifice, the axis of first plug hole overlap with the concrete column module axis, and second plug hole is around described First plug hole is set.
- 9. support post according to claim 8, it is characterised in that：In the cross section of the concrete column module, Second plug hole is uniformly distributed on the circumference using the central point of first plug hole as the center of circle.
- 10. according to the support post any one of claim 3-6, it is characterised in that：The concrete column module Cross section is rectangle or triangle or polygon or circular or ellipse.
- 11. according to the support post any one of claim 3-6, it is characterised in that：The concrete column module spliced The end face at the place of connecing is provided with connecting portion, and the two neighboring concrete column module carries out bolt by the connecting portion and fixes company Connect, or be welded and fixed connection.
- 12. a kind of overhead rail system, it is characterised in that including being used for aerial rail any one of claim 1 to 11 The concrete support column of road system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720729093.0U CN206655062U (en) | 2017-06-21 | 2017-06-21 | Concrete support column and overhead rail system for overhead rail system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720729093.0U CN206655062U (en) | 2017-06-21 | 2017-06-21 | Concrete support column and overhead rail system for overhead rail system |
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| CN206655062U true CN206655062U (en) | 2017-11-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905252A (en) * | 2019-11-13 | 2020-03-24 | 西安优信机电工程有限公司 | Easily install stereo garage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905252A (en) * | 2019-11-13 | 2020-03-24 | 西安优信机电工程有限公司 | Easily install stereo garage |
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