CN208431250U - Fixed structure and signal tower - Google Patents
Fixed structure and signal tower Download PDFInfo
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- CN208431250U CN208431250U CN201820626386.0U CN201820626386U CN208431250U CN 208431250 U CN208431250 U CN 208431250U CN 201820626386 U CN201820626386 U CN 201820626386U CN 208431250 U CN208431250 U CN 208431250U
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Abstract
The utility model discloses a kind of fixed structure and signal towers, the fixed structure includes fixation kit, the fixation kit includes connector and fastener, the connector is used for connection signal tower bracket and mounting base, the connector is equipped with external thread structure, the fastener is equipped with internal thread structure, the fastener is arranged in the outer wall of the connector, the fastener and the connector are cooperatively connected by the internal thread structure and the external thread structure, for fastening the signal tower bracket and mounting base, there are the first gaps between the internal thread structure and the external thread structure；Erosion resistant coating, the erosion resistant coating are coated with the outer wall in the fastener and the connector；And first seal coating, first seal coating is for sealing first gap.The long service life of above-mentioned fixed structure, Corrosion Protection is good, and the signal tower includes the fixed structure, and in turn, the Corrosion Protection of the signal tower is higher, and service life is longer.
Description
Technical field
The utility model relates to technical field of communication equipment, more particularly to a kind of fixed structure and signal tower.
Background technique
As the communication construction in China rapidly develops, signal tower has obtained extensive utilization in mobile communication field.
Mainly the components such as the steel truss made of fashioned iron, steel plate etc. and steel column form signal tower, and inside and outside spiral shell is generallyd use between each component
Line structure, which is cooperatively connected, realizes fastening.However, using internal and external threads structure be cooperatively connected this fastening means when, connector and tight
The gap that can be generated between firmware, when signal tower be chronically exposed to solarization, wind and rain, humidity environment in, signal tower for a long time by
Wind load, water droplet or other liquid are easy to flow into gap, cause crevice corrosion.
The anticorrosive measure that the fixed structure of classical signal tower is taken mainly passes through hot dip galvanizing method, in connector
External application butter, be inserted in connector with plastic protective sleeve later, however, when signal tower faces more rugged environment,
Protective case is easy aging, corrosion is easy to happen between connector and fastener, and then reduce the service life of signal tower, influences letter
The use of number tower.
Summary of the invention
Based on this, it is necessary to provide a kind of fixed structure and signal tower, the fixed structure for solving classical signal tower is easy
Be corroded, reduce fixed structure service life and signal tower service life the problem of.
On the one hand, this application involves a kind of fixed structure, specific technical solution is as follows:
A kind of fixed structure, comprising:
Fixation kit, the fixation kit include connector and fastener, and the connector is used for connection signal tower bracket
And mounting base, the connector are equipped with external thread structure, the fastener is equipped with internal thread structure, and the fastener is arranged in institute
The outer wall of connector, the fastener and the connector is stated to connect by the internal thread structure and external thread structure cooperation
It connects, for fastening the signal tower bracket and mounting base, there are first between the internal thread structure and the external thread structure
Gap；
Erosion resistant coating, the erosion resistant coating are coated with the outer wall in the fastener and the connector；And
First seal coating, first seal coating is for sealing first gap.
Above-mentioned fixed structure includes fixation kit, erosion resistant coating and the first seal coating, and the fixation kit includes connector
And fastener, when in use, the connector is used for connection signal tower bracket and mounting base, and the connector is equipped with external screw thread knot
Structure, the fastener are equipped with internal thread structure, and the fastener is arranged in the outer wall of the connector, and logical with the connector
It crosses the internal thread structure and the external thread structure is cooperatively connected, it is described for fastening the signal tower bracket and mounting base
Erosion resistant coating is coated or covered with the outer wall in the connector and the fastener, in this way, preventing the company by the way that erosion resistant coating is arranged
Fitting and the fastener corrode, and improve the Corrosion Protection of the connector and the fastener；Due to the interior spiral shell
There are the first gaps between line structure and the external thread structure, are avoided by the first gap described in first seal coating
Water droplet or other liquid enter in first gap, while reducing the interior oxygen content in the first gap, and then avoid institute
It states and crevice corrosion occurs between connector and the fastener, to improve the Corrosion Protection of the fixed structure, improve institute
State the service life of fixed structure.
Technical solution is illustrated further below:
The fixed structure further includes the first protective layer in one of the embodiments, and the first protective layer packet is for protecting
Protect first seal coating.
First seal coating is in a circular table shape in one of the embodiments, the first seal coating cladding or painting
It is overlying on the outer wall of the connector, and the big end of first seal coating is attached at the fastener close to first gap
End and seal first gap.
The fixed structure further includes washer and the second seal coating in one of the embodiments, and the washer is set to
Between the fastener and the pressure-bearing surface of the mounting base, the washer is arranged in the outer wall of the connector, the connector
Outer wall and the washer inner wall between there are the second gap, second seal coating is for sealing second gap.
Second seal coating is in a circular table shape in one of the embodiments, the second seal coating cladding or painting
It is overlying on the outer wall of the connector, and the big end of second seal coating is attached at the washer close to the end of the fastener
Portion, and seal second gap.
The fixed structure further includes third seal coating in one of the embodiments, and the third seal coating is in circle
Mesa-shaped, the third seal coating is coated in the outer wall of the washer, and the big end of the third seal coating is sticked
In the pressure-bearing surface of the mounting base.
The thickness of first protective layer is greater than or equal to 80um, the thickness of the erosion resistant coating in one of the embodiments,
Degree is greater than or equal to 200um, and the thickness of second seal coating is greater than 1000um.
The erosion resistant coating includes the first erosion resistant coating and the second erosion resistant coating, first anti-corrosion in one of the embodiments,
Layer is coated with the outer wall in the fastener and the connector, and second erosion resistant coating is coated or covered in described first
The outer wall of erosion resistant coating.
On the other hand, the application further relates to a kind of signal tower, and specific technical solution is as follows:
A kind of signal tower, including fixed structure further include signal tower bracket, and the signal tower bracket passes through described fixed group
Part is connect with the mounting base.
Above-mentioned signal tower includes fixed structure and signal tower bracket, and the signal tower bracket passes through the fixation kit and institute
Mounting base connection is stated, above-mentioned fixed structure includes fixation kit, erosion resistant coating and the first seal coating, and the fixation kit includes connecting
Fitting and fastener, when in use, the connector are used for connection signal tower bracket and mounting base, and the connector is equipped with outer spiral shell
Line structure, the fastener are equipped with internal thread structure, and the fastener is arranged in the outer wall of the connector, and with the connection
Part is cooperatively connected by the internal thread structure and the external thread structure, for fastening the signal tower bracket and mounting base,
The erosion resistant coating is coated or covered with the outer wall in the connector and the fastener, in this way, preventing institute by the way that erosion resistant coating is arranged
It states connector and the fastener corrodes, improve the Corrosion Protection of the connector and the fastener；Due to described
There are the first gaps between internal thread structure and the external thread structure, are kept away by the first gap described in first seal coating
Exempt from water droplet or other liquid enter in first gap, while reducing the interior oxygen content in the first gap, and then keep away
Exempt from that crevice corrosion occurs between the connector and the fastener, to improve the Corrosion Protection of the fixed structure, mentions
The service life of the high fixed structure.
The signal tower further includes the second protective layer in one of the embodiments, and described second is protective layer used in protection institute
State fixed structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fixation kit；
Fig. 2 is the structural schematic diagram of fixed structure；
Fig. 3 is the mounting structure schematic diagram of signal tower.
Description of symbols:
100, fixed structure, 110, fixation kit, 111, connector, 112, fastener, 113, washer, the 120, first sealing
Coating, the 130, second seal coating, the 140, second protective layer, 200, mounting base, 300, signal tower bracket.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, it can be directly in another yuan
On part or there may also be elements placed in the middle.When an element is considered as " connection " another element, it be can be directly
It is connected to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ",
"left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
It is important to point out that when element is referred to as " being fixedly arranged on " another element, two elements can be it is integrated,
It can be and be detachably connected between two elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
In addition it is also necessary to understand, in the present embodiment, term "lower", "upper", "front", "rear", "left", "right",
"inner", "outside", "top", "bottom", " side ", " other side ", " one end ", " other end ", etc. indicated by positional relationship be based on
Positional relationship shown in the drawings；The terms such as " first ", " second " are to distinguish different structure members.These terms are only
Convenient for description the utility model and simplify description, should not be understood as limiting the present invention.
As shown in Figure 1, one of embodiment fixed structure 100, comprising: fixation kit 110, fixation kit include connecting
Fitting 111 and fastener 112, connector 111 are used for connection signal tower bracket 300 and mounting base 200, and connector 111 is equipped with outer
Helicitic texture, fastener 112 are equipped with internal thread structure, and fastener 112 is arranged in the outer wall of connector 111,112 He of fastener
Connector 111 is cooperatively connected by internal thread structure and external thread structure, for fastening signal tower bracket 300 and mounting base 200,
There are the first gaps between internal thread structure and external thread structure；Erosion resistant coating, erosion resistant coating are coated in fastener 112 and connect
The outer wall of fitting 111；And first seal coating 120, the first seal coating 120 is for sealing the first gap.
Above-mentioned fixed structure 100 includes fixation kit 110, erosion resistant coating and the first seal coating 120, and fixation kit 110 wraps
Connector 111 and fastener 112 are included, when in use, connector 111 is used for connection signal tower bracket 300 and mounting base 200, even
Fitting 111 is equipped with external thread structure, and fastener 112 is equipped with internal thread structure, and fastener 112 is arranged in the outer wall of connector 111,
Fastener 112 and connector 111 are cooperatively connected by internal thread structure and external thread structure, for fastening signal tower bracket 300
With mounting base 200, erosion resistant coating is coated or covered with the outer wall in connector 111 and fastener 112, in this way, the setting of erosion resistant coating is anti-
Only connector 111 and fastener 112 corrode, and improve the Corrosion Protection of connector 111 and fastener 112.Due to outer spiral shell
There are the first gaps between line structure and internal thread structure, the first gap are sealed using the first seal coating 120, in this way, first
The setting of seal coating 120 avoids water droplet or other liquid enter in the first gap, while reducing in the first gap
Oxygen content improves the anticorrosive property of fixed structure 100 to avoid that crevice corrosion occurs between connector 111 and fastener 112
It can and improve the service life of fixed structure 100.
Specifically, connector 111 can be bolt in fixation kit 110, and fastener 112 can be to be cooperatively connected with bolt
Nut, but be not limited to the fixed Combination of screw bolt and nut, can also be that connector 111 is stud or screw, fastener 112
For the combination of nut, in this embodiment, connector 111 is bolt, and fastener 112 is nut, and the quantity of nut is two.
Specifically, the first seal coating 120 can be polysulfur type high-strength waterproof sealant, when being not limited to polysulfur type height
Intensity waterproof sealing agent can also be the sealant of other water-resistant materials such as silica gel, but as long as the first seal coating 120 can
The opening in the first gap is sealed.
As shown in Figures 1 and 2, on the basis of the above embodiments, which further includes the first protective layer, the
One is protective layer used in the first seal coating 120 of protection.In this way, the first seal coating 120 can be protected not by the first protective layer
It is destroyed, specifically, the first protective layer can be epoxy coal asphalt paint, but not limit to and epoxy coal asphalt paint, can also be fluorine
Carbon coating, but as long as the first protective layer can protect the first seal coating 120 to avoid being occurred to destroy i.e. by ultraviolet irradiation
Can, in this embodiment, the first protective layer is epoxy coal asphalt paint, in this way, epoxy coal asphalt paint protects the first sealing
Coating 120 promotes the stability of the first seal coating 120 and promotes making for the first seal coating 120 from the destruction of ultraviolet light
Use the service life.It is important to point out that the range that is coated with of the first protective layer can be only the outer of the first sealant 120
Wall can also exceed the first sealant 120, or entire fixed structure 100 is coated with, as long as meeting first
Protective layer can protect the first sealant.
Based on any of the above embodiments, the first seal coating 120 is in a circular table shape, the first seal coating 120 cladding
Or the outer wall coated on connector 111, and the big end of the first seal coating 120 is attached at fastener 112 close to the first gap
End simultaneously seals the first gap.In this way, being applied by the way that the first seal coating 120 is arranged to the first round table-like, round table-like sealing
Layer structure makes rainwater or other liquid be difficult to stop in the first gap location, to avoid rainwater or other liquid in the first gap location
It nearby stops for a long time, therefore avoids rainwater or other liquid infilter in the first gap, to fastener 112 and connector 111
Crevice corrosion is caused, the service life for promoting fixed structure is facilitated.
As shown in Figure 1, based on any of the above embodiments, which further includes washer 113 and second
Seal coating 130, washer 113 are set between fastener 112 and the pressure-bearing surface of mounting base 200, and washer 113 is arranged in connector
111 outer wall, there are the second gap between the outer wall of connector 111 and the inner wall of washer 113, the second seal coating 130 is used for
Seal the second gap.Washer 113 is arranged between mounting base 200 and fastener 112, fastener 112 and mounting base are avoided
200 directly contacts destroy, and the second seal coating 130 is arranged in the second gap location, water droplet or other liquid is avoided to enter
In second gap, while the oxygen content in the second gap is reduced, and then avoid that gap occurs between connector 111 and washer 113
Corrosion, to improve the Corrosion Protection of fixed structure 100 and improve the service life of fixed structure 100.Specifically,
Two seal coatings 130 can be polysulfur type high-strength waterproof sealant, but be not limited to polysulfur type high-strength waterproof sealant, also
The sealant that can be other water-resistant materials such as silica gel, in this embodiment, the second seal coating 130 is that polysulfur type is high-intensitive
Waterproof sealing agent is sealed processing to the second gap by using polysulfur type high-strength waterproof sealant.
Further, on the basis of any of the above-described a embodiment, the second seal coating 130 is in a circular table shape, and the second sealing applies
Layer 130 is coated in the outer wall of connector 111, and the big end of the second seal coating 130 is attached at washer 113 close to fastening
The end of part 112, and seal the second gap.In this way, round table-like by the way that the second seal coating 130 to be arranged to, round table-like
Two seal coatings make rainwater or other liquid be difficult to stop in the second gap location, so that rainwater or other liquid be avoided to infilter second
In gap, crevice corrosion is caused to washer 113 and connector 111, therefore, indirectly promotes making for connector 111 and washer 113
Use the service life.
On the basis of any of the above-described a embodiment, which further includes third seal coating, and third sealing applies
Layer is in a circular table shape, and third seal coating is coated or covered in the outer wall of washer 113 and the big end of third seal coating is attached at peace
Fill the pressure-bearing surface of seat 200.In this way, avoiding rainwater or other liquid from entering connector 111 and peace by setting third seal coating
Fill the gap between seat 200, while reducing the oxygen content in the gap between connector 111 and mounting base 200, avoid rainwater or
Other liquid cause corrosion failure to connector 111.Further, round table-like by the way that third seal coating to be arranged to, make rainwater
Or other liquid are difficult between washer 113 and mounting base 200 stop for a long time, thus between avoiding rainwater or other liquid from infiltering
In gap, corrosion failure is caused to connector 111, therefore, indirectly promotes the service life of connector 111.Specifically, mounting base
200 can be mixed mud structure, but do not limit to mixed mud structure, can also be steel construction etc. for installing the seat of signal tower
Body, in this embodiment, mounting base 200 is mixed mud structure.
It is important to point out that the first seal coating 120, the second seal coating 130 and third seal coating in the application
The mode for sealing corresponding gap can be the opening for sealing corresponding gap, or to corresponding gap by the way of filled type
Other sealing means such as it is sealed, but as long as the first seal coating 120, the second seal coating 130 and third seal coating energy
It is enough that corresponding gap is sealed, it reduces the oxygen content in corresponding gap and water or other liquid has been avoided to enter gap
?.
On the basis of any of the above-described a embodiment, the thickness of the first protective layer is greater than or equal to 80um, the thickness of erosion resistant coating
Degree is greater than or equal to 200um, and the thickness of the second seal coating 130 is greater than 1000um.In this way, the thickness when the first protective layer is greater than
Or be equal to 80um when, the protecting effect of the first protective layer more preferably, when the thickness of erosion resistant coating be greater than or equal to 200um when, erosion resistant coating
It can guarantee that connector 111 and fastener 112 are not damaged by corrosion, when the thickness of the second seal coating 130 is greater than 1000um,
The protecting effect of the second seal coating 130 can be promoted, it is ensured that fixed structure 100 is difficult to by artificial destruction.
On the basis of any of the above-described a embodiment, erosion resistant coating includes the first erosion resistant coating and the second erosion resistant coating, the first anti-corrosion
Layer is coated with the outer wall in fastener 112 and connector 111, and the second erosion resistant coating is coated or covered in the outer of the first erosion resistant coating
Wall.Wherein, the first erosion resistant coating is bottom erosion resistant coating, and the second erosion resistant coating is external layer preservation layer, and the second erosion resistant coating can protect first
The paint film of erosion resistant coating enhances the antiseptic property of entire erosion resistant coating.Specifically, the first erosion resistant coating can be epoxy zinc rich primer, but
It is not limited to epoxy zinc rich primer, can also be that the anticorrosions priming paint such as inorganic zinc primer, the second anti-decaying paint can be epoxy micaceous iron
Intermediate coat, but it is not limited to epoxy micaceous iron intermediate coat, it can also be the intermediate coats such as polyurethane intermediate coat, in this embodiment,
First erosion resistant coating is epoxy zinc rich primer, and the second erosion resistant coating is epoxy epoxy micaceous iron intermediate coat, in this way, passing through epoxy zinc rich primer
With matching for epoxy epoxy micaceous iron intermediate coat, enhance the antiseptic property of entire erosion resistant coating.
As shown in figure 3, a kind of signal tower is also disclosed in the application, it further includes signal tower which, which includes fixed structure 100,
Bracket 300, signal tower bracket 300 are connect by fixation kit 110 with mounting base 200.
Above-mentioned signal tower includes fixed structure 100 and signal tower bracket 300, and signal tower bracket 300 passes through fixation kit 110
It is connect with mounting base 200, fixed structure 100 includes fixation kit 110, erosion resistant coating and the first seal coating 120, fixation kit
110 include connector 111 and fastener 112, and when in use, connector 111 is used for connection signal tower bracket 300 and mounting base
200, connector 111 is equipped with external thread structure, and fastener 112 is equipped with internal thread structure, and fastener 112 is arranged in connector 111
Outer wall, fastener 112 and connector 111 are cooperatively connected by internal thread structure and external thread structure, for fastening signal tower
Bracket 300 and mounting base 200, erosion resistant coating are coated or covered with the outer wall in connector 111 and fastener 112, in this way, erosion resistant coating
Setting prevents connector 111 and fastener 112 from corroding, and improves the Corrosion Protection of connector 111 and fastener 112.By
There are the first gaps between external thread structure and internal thread structure, seal the first gap using the first seal coating 120, such as
This, the setting of the first seal coating 120 avoids water droplet or other liquid enter in the first gap, while reducing between first
Oxygen content in gap improves the anti-of fixed structure 100 to avoid that crevice corrosion occurs between connector 111 and fastener 112
Corrosive nature and the service life for improving fixed structure 100.
As shown in Figures 2 and 3, further, based on any of the above embodiments, which further includes the second protection
Layer 140, the second protective layer 140 is for protecting fixed structure 100.In this way, protecting fixed structure by the second protective layer 140 of setting
100 are not artificially cracked, and specifically, the second protective layer 140 can be mixed mud structure, but be not limited to mixed mud structure, the
Two protective layers 140 can also be the safeguard structure or other safeguard structures such as gelatinous protection structure of box-type, but as long as meeting
Second protective layer 140 can protect fixed structure 100 not by artificial destruction, in this embodiment, the second protective layer 140
For C25 high compact mixed mud structure, in this way, slowing down fixed structure 100 while guaranteeing that fixed structure 100 is not destroyed
Corrosion rate, in turn, promoted fixed structure 100 service life.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of fixed structure characterized by comprising
Fixation kit, the fixation kit include connector and fastener, and the connector is used for connection signal tower bracket and peace
Seat is filled, the connector is equipped with external thread structure, and the fastener is equipped with internal thread structure, and the fastener is arranged in the company
The outer wall of fitting, the fastener and the connector are cooperatively connected by the internal thread structure and the external thread structure,
For fastening the signal tower bracket and mounting base, there are between first between the internal thread structure and the external thread structure
Gap；
Erosion resistant coating, the erosion resistant coating are coated with the outer wall in the fastener and the connector；And
First seal coating, first seal coating is for sealing first gap.
2. fixed structure according to claim 1, which is characterized in that it further include the first protective layer, first protective layer
For protecting first seal coating.
3. fixed structure according to claim 1, which is characterized in that first seal coating is in a circular table shape, and described
One seal coating is coated in the outer wall of the connector, and the big end of first seal coating is attached at the fastening
Part close to first gap end and seal first gap.
4. fixed structure according to claim 1, which is characterized in that further include washer and the second seal coating, the pad
Circle is set between the fastener and the pressure-bearing surface of the mounting base, and the washer is arranged in the outer wall of the connector, institute
It states between the outer wall of connector and the inner wall of the washer there are the second gap, second seal coating is for sealing described the
Two gaps.
5. fixed structure according to claim 4, which is characterized in that second seal coating is in a circular table shape, and described
Two seal coatings are coated in the outer wall of the connector, and the big end of second seal coating is attached at the washer
Close to the end of the fastener, and seal second gap.
6. fixed structure according to claim 4, which is characterized in that it further include third seal coating, the third sealing
Coating is in a circular table shape, and the third seal coating is coated in the outer wall of the washer, and the third seal coating
Big end is attached at the pressure-bearing surface of the mounting base.
7. fixed structure according to claim 4, which is characterized in that the thickness of first protective layer is greater than or equal to
80um, the thickness of the erosion resistant coating are greater than or equal to 200um, and the thickness of second seal coating is greater than 1000um.
8. fixed structure according to claim 1, which is characterized in that the erosion resistant coating includes that the first erosion resistant coating and second are anti-
Rotten layer, first erosion resistant coating are coated with the outer wall in the fastener and the connector, and second erosion resistant coating applies
Cover or be coated on the outer wall of first erosion resistant coating.
9. a kind of signal tower, which is characterized in that further include signal tower including the described in any item fixed structures of claim 1 to 8
Bracket, the signal tower bracket are connect by the fixation kit with the mounting base.
10. signal tower according to claim 9, which is characterized in that further include the second protective layer, described second is protective layer used
In the protection fixed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820626386.0U CN208431250U (en) | 2018-04-27 | 2018-04-27 | Fixed structure and signal tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820626386.0U CN208431250U (en) | 2018-04-27 | 2018-04-27 | Fixed structure and signal tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431250U true CN208431250U (en) | 2019-01-25 |
Family
ID=65102710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820626386.0U Active CN208431250U (en) | 2018-04-27 | 2018-04-27 | Fixed structure and signal tower |
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| Country | Link |
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| CN (1) | CN208431250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570240A (en) * | 2020-12-18 | 2021-03-30 | 淮北工业建筑设计院有限责任公司 | Anticorrosion process for mine transportation trestle |
-
2018
- 2018-04-27 CN CN201820626386.0U patent/CN208431250U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570240A (en) * | 2020-12-18 | 2021-03-30 | 淮北工业建筑设计院有限责任公司 | Anticorrosion process for mine transportation trestle |
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