CN106285153A - Expanded type communication tower - Google Patents
Expanded type communication tower Download PDFInfo
- Publication number
- CN106285153A CN106285153A CN201610653156.9A CN201610653156A CN106285153A CN 106285153 A CN106285153 A CN 106285153A CN 201610653156 A CN201610653156 A CN 201610653156A CN 106285153 A CN106285153 A CN 106285153A
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- CN
- China
- Prior art keywords
- mobile jib
- tower
- extension
- auxiliary
- oblique material
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
Abstract
The invention discloses a kind of expanded type communication tower, aim to provide and a kind of can effectively solve again the expanded type communication tower of the problem that start-up cost increases considerably in the later stage according to the demand of carry antenna amount attaching antenna support and antenna ensure the bearing capacity of communications tower in communications tower simultaneously.It includes tower mobile jib, one or more layers tower mobile jib extension supporting framework layer being sequentially distributed from bottom to top and is arranged on ground bracing frame foundation pile, same layer tower mobile jib extension supporting framework layer includes the main oblique material of extension and the main horizontal material of extension of connection tower mobile jib oblique material main with extension moving closer to tower mobile jib from bottom to top, in adjacent two layers tower mobile jib extension supporting framework layer: pass through Flange joint between the lower end of the upper end of the main oblique material of extension of the tower mobile jib extension supporting framework layer in lower section and the main oblique material of extension of tower mobile jib above extension supporting framework layer.
Description
Technical field
The present invention relates to a kind of communication tower, be specifically related to a kind of expanded type communication tower.
Background technology
Current communications tower generally has determined that later carry quantity at first stage of construction, and the later stage cannot be according to carry
Antenna amount is adjusted, it is impossible to increase new antenna holder and antenna, thus current communications tower does not typically the most possess extension
Function;If attaching antenna support and antenna in communications tower by force, then may be beyond the bearing capacity of communications tower so that communication
The intensity of tower, stability can not meet requirement.On the other hand, if just considering too much antenna holder and antenna at the design initial stage,
The construction cost of communications tower can be caused again to increase considerably, and do not meet the benefit ratio of primary construction.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of expanded type communication tower, its energy
Enough in the later stage according to the demand of carry antenna amount attaching antenna support and antenna ensure the carrying of communications tower in communications tower
Ability, can effectively solve again the problem that start-up cost increases considerably simultaneously.
The technical scheme is that
A kind of expanded type communication tower includes tower mobile jib and is arranged on the top layer antenna holder at tower mobile jib top, also includes one layer or many
The tower mobile jib that layer is sequentially distributed from bottom to top extends supporting framework layer and is arranged on ground bracing frame foundation pile, same layer tower
Mobile jib extension supporting framework layer includes the oblique material of extension master moving closer to tower mobile jib from bottom to top and connection tower mobile jib and extends master
The tiltedly main horizontal material of extension of material, by Flange joint between the main horizontal material of described extension and tower mobile jib, the extension of adjacent two layers tower mobile jib
In support framework layer: be positioned at the upper end of the main oblique material of extension of the tower mobile jib extension supporting framework layer of lower section and tower mobile jib above
By Flange joint between the lower end of the main oblique material of extension of extension supporting framework layer, it is positioned at undermost tower mobile jib extension bracing frame
By bolt or Flange joint between lower end and the bracing frame foundation pile of the main oblique material of extension of structure layer.
Due to this programme expanded type communication tower tower mobile jib extension supporting framework layer the main horizontal material of extension and tower mobile jib it
Between by Flange joint, by Flange joint between the oblique material of extension master of adjacent two layers tower mobile jib extension supporting framework layer, thus
Each tower mobile jib extension supporting framework layer can carry out building one or more layers or entering from top to bottom the most from bottom to top
Row dismounting, so is no need for considering that communications tower needs the too much antenna holder of carry and antenna at communication tower first stage of construction, thus
The construction cost avoiding communications tower increases considerably, the problem not meeting the benefit ratio of primary construction;Meanwhile, can root in the later stage
According to demand attaching antenna support and antenna in communications tower of carry antenna amount, and before attaching antenna support and antenna
Can start up to build one or more layers tower mobile jib extension supporting framework bottom tower mobile jib according to the bearing capacity of communications tower
Layer, thus ensure the bearing capacity of communications tower.
As preferably, tower mobile jib is provided with some reserved adpting flanges being sequentially distributed from bottom to top, the main horizontal stroke of described extension
Material is connected with tower mobile jib by reserved adpting flange, extends and is connected by flange between end and the reserved adpting flange of main horizontal material
Connect.This programme structure can make can be connected by flange smoothly between the main horizontal material of extension and the tower mobile jib that the later stage builds,
Ensure building smoothly of tower mobile jib extension supporting framework layer.
As preferably, also including the oblique material of auxiliary master moving closer to tower mobile jib from bottom to top, the described oblique material of auxiliary master is positioned at
The top of tower mobile jib extension supporting framework layer, the lower end of the main oblique material of auxiliary and the extension master being positioned at the adjacent lower section of the oblique material of this auxiliary master
Tiltedly by Flange joint between the upper end of material, between upper end and the tower mobile jib of the main oblique material of auxiliary, pass through Flange joint.
Due to the main oblique material of auxiliary arrange can make to constitute between tower mobile jib extension supporting framework layer and tower mobile jib stable
Support, improve tower mobile jib and tower mobile jib extension supporting framework layer stress performance and globality.
As preferably, the main oblique material of auxiliary, it is positioned at the tower mobile jib extension supporting framework layer of the adjacent lower section of the oblique material of this auxiliary master
Extend composition triangular support configurations between main horizontal material and tower mobile jib.This programme structure can improve tower mobile jib and tower mobile jib further
Extension supporting framework layer stress performance and globality.
As preferably, the main oblique material of auxiliary includes assisting oblique material oblique with lower auxiliary in the oblique material of auxiliary, the oblique material of lower auxiliary, connection
The guiding pretension bindiny mechanism of material, the upper end of the described oblique material of upper auxiliary is provided with bulb attachment structure, the lower end of the lower oblique material of auxiliary
Being provided with lower bulb attachment structure, described upper bulb attachment structure includes upper ball base and the upper bulb being arranged in upper ball base, upper ball
The upper end of head material oblique with upper auxiliary is connected, and the upper end of the main oblique material of described auxiliary is connected with tower mobile jib by upper ball base;Described
Lower bulb attachment structure includes that lower ball base and the lower bulb being arranged in lower ball base, lower bulb are connected with the lower end of the lower oblique material of auxiliary
Connecing, the lower end of the main oblique material of described auxiliary is by the upper end of lower ball base oblique material main with the extension being positioned at the adjacent lower section of the oblique material of this auxiliary master
It is connected;Described guiding pretension bindiny mechanism include the pretension governor motion between the oblique material of upper auxiliary and the lower oblique material of auxiliary,
The spacing guide rod extended along the length direction of the main oblique material of auxiliary, the upper guide bush and the lower guide pin bushing that are set on spacing guide rod, described on
Guide pin bushing material oblique with upper auxiliary is fixing to be connected, and lower guide pin bushing is fixing with the lower oblique material of auxiliary to be connected, and the two ends of described spacing guide rod set respectively
Limited location block, the upper pretension adjusting screw rod that described pretension governor motion includes pretension regulation set, is arranged on the oblique material of auxiliary
And the lower pretension adjusting screw rod being arranged on the oblique material of lower auxiliary, described upper pretension adjusting screw rod coaxially sets with lower pretension adjusting screw rod
Putting, upper pretension adjusting screw rod is paralleled with spacing guide rod, the thread rotary orientation phase of upper pretension adjusting screw rod and lower pretension adjusting screw rod
Instead, the closed at both ends of described pretension regulation set, one end of pretension regulation set is provided with the rise matched with upper pretension adjusting screw rod
Joint screw, the other end of pretension regulation set is provided with the lower regulation screw matched with lower pretension adjusting screw rod, described upper regulation spiral shell
Hole and lower regulation screw are coaxially disposed with pretension regulation set.
The main oblique material of auxiliary of this programme is possible not only to adapt to various installation dimension and the error of angle existence and mistake, it is ensured that
The main oblique material of auxiliary can connect tower mobile jib smoothly and extend supporting framework layer with tower mobile jib;And assist the main oblique material can be tower master
Prefastening force is provided between bar and tower mobile jib extension supporting framework layer, thus improves tower mobile jib further and support with the extension of tower mobile jib
Framework layer stress performance and globality.
As preferably, tower mobile jib extension supporting framework layer also includes extending support bar, the lower end of extension support bar and tower master
Bar is bolted, and the top of the upper end of extension support bar oblique material main with extension is connected.
As preferably, the main oblique material of extension and extend and pass through Flange joint between main horizontal material.
The invention has the beneficial effects as follows: can be in the later stage according to demand attaching antenna in communications tower of carry antenna amount
Support and antenna also ensure the bearing capacity of communications tower, and can effectively solve again that start-up cost increases considerably asks simultaneously
Topic.
Accompanying drawing explanation
Fig. 1 is that the expanded type communication tower carry two-layer of the embodiment of the present invention 1 increases layer antenna holder and a kind of knot during antenna
Structure schematic diagram.
Fig. 2 is that the non-carry of expanded type communication tower of the embodiment of the present invention 1 increases layer antenna holder and a kind of structure during antenna
Schematic diagram.
Fig. 3 is that the expanded type communication tower carry one layer of the embodiment of the present invention 1 increases layer antenna holder and a kind of knot during antenna
Structure schematic diagram.
Fig. 4 is that the expanded type communication tower carry three layers of the embodiment of the present invention 1 increases layer antenna holder and a kind of knot during antenna
Structure schematic diagram.
Fig. 5 is a kind of structural representation of the main oblique material of auxiliary of the embodiment of the present invention 2.
Fig. 6 is the partial enlarged drawing in Fig. 5 at A.
Fig. 7 is a kind of structural representation of the expanded type communication tower of the embodiment of the present invention 2.
In figure: tower mobile jib 1, reserved adpting flange 2, tower mobile jib extension supporting framework layer 3, the main oblique material 31 of extension, extension
Strut 32, extend main horizontal material 33, the main oblique material 4 of auxiliary, the oblique material of upper auxiliary 41, the oblique material of lower auxiliary 42, upper bulb attachment structure 43, on
Ball seat 431, upper bulb 432, lower bulb attachment structure 44, guide pretension bindiny mechanism 45, spacing guide rod 451, upper guide bush 452,
Lower guide pin bushing 453, positive stop 454, upper pretension adjusting screw rod 455, pretension regulation set 456, lower pretension adjusting screw rod 457, former sky
Line bracket 5, increases layer antenna holder 6.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of expanded type communication tower includes tower mobile jib 1, one or more layers tower mobile jib being sequentially distributed from bottom to top
Extend supporting framework layer 3, move closer to the oblique material of auxiliary master 4 of tower mobile jib from bottom to top and be arranged on ground bracing frame basis
Stake.Tower mobile jib is provided with some reserved adpting flanges 2 being sequentially distributed from bottom to top.Tower mobile jib top is provided with primary antenna support 5.
Same layer tower mobile jib extension supporting framework layer includes moving closer to the oblique material of extension master 31 of tower mobile jib from bottom to top, expanding
Exhibition support bar 32 and the main horizontal material 33 of extension of connection tower mobile jib oblique material main with extension.Extend main horizontal material to be horizontally disposed with.Extend main horizontal stroke
By Flange joint between material and tower mobile jib, specifically, extend and pass through method between end and the reserved adpting flange of main horizontal material
Blue connection, is extended main horizontal material and is connected with tower mobile jib by reserved adpting flange.In same layer tower mobile jib extension supporting framework layer:
Extend main oblique material and extend between main horizontal material by Flange joint, being connected by bolt between lower end and the tower mobile jib of extension support bar
Connect, be connected by bolt between the top of the upper end of extension support bar oblique material main with extension.
When the number of plies of tower mobile jib extension supporting framework layer is multilamellar: in adjacent two layers tower mobile jib extension supporting framework layer:
The upper end of the main oblique material of extension being positioned at the tower mobile jib extension supporting framework layer of lower section extends bracing frame with tower mobile jib above
Flange joint is passed through between the lower end of the main oblique material of extension of structure layer.It is positioned at the extension of undermost tower mobile jib extension supporting framework layer
By bolt or Flange joint between lower end and the bracing frame foundation pile of main oblique material.
When the number of plies of tower mobile jib extension supporting framework layer is one layer: the oblique material of extension master of tower mobile jib extension supporting framework layer
Lower end and bracing frame foundation pile between by bolt or Flange joint.
The main oblique material 4 of auxiliary is positioned at the top of tower mobile jib extension supporting framework layer.The lower end of the main oblique material of auxiliary is with to be positioned at this auxiliary
Help and pass through Flange joint between the upper end extending main oblique material of the main adjacent lower section of oblique material.The upper end and tower mobile jib of the main oblique material of auxiliary it
Between pass through Flange joint.Auxiliary is led oblique material, is positioned at the expansion of the tower mobile jib extension supporting framework layer of the adjacent lower section of the oblique material of this auxiliary master
Open up composition triangular support configurations between main horizontal material and tower mobile jib.
The expanded type communication tower of the present embodiment specifically used as follows:
As in figure 2 it is shown, when tower mobile jib top increases layer antenna holder with antenna without carry, it might even be possible to tower mobile jib need not be built
Extension supporting framework layer, naturally it is also possible to build tower mobile jib extension supporting framework layer as required.,
As it is shown on figure 3, when tower mobile jib top needs carry one layer to increase layer antenna holder 6 with antenna, can be in the bottom of tower mobile jib
Build one layer of tower mobile jib extension supporting framework layer 3, and by the main oblique material of auxiliary connect this layer of tower mobile jib extension supporting framework layer with
Tower mobile jib, thus effectively reduce the jib-length of tower mobile jib, and then make tower mobile jib meet force request, it is ensured that holding of communications tower
Loading capability.
On the other hand, also can extend main horizontal material top expansion equipment platform is set, can place apparatus, improve space utilization
Rate.
As it is shown in figure 1, when tower mobile jib top needs carry two-layer to increase layer antenna holder 6 with antenna, can be at tower mobile jib
Two layers of tower mobile jib extension supporting framework layer 3 are built in bottom, and are supported by the tower mobile jib extension assisting main oblique material to connect the superiors
Framework layer and tower mobile jib, thus effectively reduce the jib-length of tower mobile jib, and then make tower mobile jib meet force request, it is ensured that logical
The bearing capacity of news tower.
As shown in Figure 4, when tower mobile jib top needs carry three layers to increase layer antenna holder 6 with antenna, can be at tower mobile jib
Three layers of tower mobile jib extension supporting framework layer 3 are built in bottom, and are supported by the tower mobile jib extension assisting main oblique material to connect the superiors
Framework layer and tower mobile jib, thus effectively reduce the jib-length of tower mobile jib, and then make tower mobile jib meet force request, it is ensured that logical
The bearing capacity of news tower.
Thus, the expanded type communication tower of the present embodiment can the later stage according to the demand of carry antenna amount in communications tower
Attaching antenna support and antenna also ensure the bearing capacity of communications tower, can effectively solve start-up cost significantly again simultaneously
The problem increased.
Embodiment 2, remaining structure of the present embodiment is with reference to embodiment 1, and its difference is:
As shown in Figure 5, Figure 6, the main oblique material 4 of auxiliary include the oblique material of auxiliary 41, the oblique material of lower auxiliary 42, connections in the oblique material of auxiliary and under
Assist the guiding pretension bindiny mechanism 45 of oblique material.The upper end of the oblique material of upper auxiliary is provided with bulb attachment structure 43.Upper bulb connects
Structure includes upper ball base 431 and the upper bulb 432 being arranged in upper ball base.The upper end of upper bulb material oblique with upper auxiliary is connected.
The upper end of the main oblique material of auxiliary is connected with tower mobile jib by upper ball base.Lead between reserved adpting flange on upper ball base and tower mobile jib
Cross Flange joint.
The lower end of the lower oblique material of auxiliary is provided with lower bulb attachment structure 44.Lower bulb attachment structure includes lower ball base and is arranged on
Lower bulb in lower ball base.Lower bulb is connected with the lower end of the lower oblique material of auxiliary.The lower end of the main oblique material of auxiliary by lower ball base with
The upper end of the main oblique material of extension being positioned at the adjacent lower section of the oblique material of this auxiliary master is connected, and lower ball base is adjacent with being positioned at the oblique material of this auxiliary master
Flange joint is passed through between the upper end of the main oblique material of extension of lower section.
Guide pretension bindiny mechanism 45 and include the pretension governor motion between the oblique material of upper auxiliary and the lower oblique material of auxiliary, edge
The spacing guide rod 451 that the length direction of the main oblique material of auxiliary extends, the upper guide bush 452 being set on spacing guide rod and lower guide pin bushing 453.
Upper guide bush material oblique with upper auxiliary is fixing to be connected, and lower guide pin bushing is fixing with the lower oblique material of auxiliary to be connected.Being respectively arranged at two ends with of spacing guide rod
Positive stop 454.Upper guide bush and lower guide pin bushing are between the positive stop at spacing guide rod two ends.
Pretension governor motion include pretension regulation set 456, the upper pretension adjusting screw rod 455 being arranged on the oblique material of auxiliary and
The lower pretension adjusting screw rod 457 being arranged on the oblique material of lower auxiliary.Upper pretension adjusting screw rod is coaxially disposed with lower pretension adjusting screw rod.
Upper pretension adjusting screw rod is paralleled with spacing guide rod.Upper pretension adjusting screw rod is contrary with the thread rotary orientation of lower pretension adjusting screw rod.
The closed at both ends of pretension regulation set, one end of pretension regulation set is provided with the upper regulation screw matched with upper pretension adjusting screw rod,
Upper regulation screw is through hole.The other end of pretension regulation set is provided with the lower regulation screw matched with lower pretension adjusting screw rod, under
Regulation screw is through hole.Upper regulation screw and lower regulation screw are coaxially disposed with pretension regulation set.The cross section of pretension regulation set
In regular hexagon, pretension regulation set can coordinate with spanner.
The oblique material of auxiliary master of the present embodiment is when mounted, oblique owing to can regulate upper auxiliary by rotation pretension regulation set
Spacing between material and the lower oblique material of auxiliary, and then regulate the length of the whole main oblique material of auxiliary;Simultaneously because the main oblique material of auxiliary is upper
End is connected with tower mobile jib (upper ball base can rotate) by upper ball base, and the lower end of the main oblique material of auxiliary is main with extension by lower ball base
Tiltedly the upper end of material is connected (lower ball base can rotate), thus the installation of the main oblique material of auxiliary is adapted to various installation dimension and angle
The error of degree existence and deviation, it is ensured that the main oblique material of auxiliary can connect tower mobile jib and the extension oblique material of master smoothly.Work as the present embodiment
The oblique material of auxiliary master be arranged on upper between tower mobile jib and the main oblique material of extension after, pretension regulation set can be rotated by spanner thus contract
Spacing between the little oblique material of upper auxiliary and the lower oblique material of auxiliary, thus supported with the extension of tower mobile jib at tower mobile jib by the main oblique material of auxiliary
Prefastening force is provided between framework layer, improves tower mobile jib and tower mobile jib extension supporting framework layer stress performance and entirety further
Property.
Claims (7)
1. an expanded type communication tower, including tower mobile jib, is characterized in that, also includes what one or more layers was sequentially distributed from bottom to top
Tower mobile jib extends supporting framework layer and is arranged on ground bracing frame foundation pile,
Same layer tower mobile jib extension supporting framework layer includes the oblique material of extension master moving closer to tower mobile jib from bottom to top and connects tower
The main horizontal material of extension of mobile jib oblique material main with extension, by Flange joint between the main horizontal material of described extension and tower mobile jib,
In adjacent two layers tower mobile jib extension supporting framework layer: be positioned at the oblique material of extension master of the tower mobile jib extension supporting framework layer of lower section
Upper end and tower mobile jib above extension supporting framework layer the main oblique material of extension lower end between by Flange joint,
Pass through between lower end and the bracing frame foundation pile of the main oblique material of extension of undermost tower mobile jib extension supporting framework layer
Bolt or Flange joint.
A kind of expanded type communication tower the most according to claim 1, is characterized in that, described tower mobile jib is provided with some from lower
On the reserved adpting flange that is sequentially distributed, the main horizontal material of described extension is connected with tower mobile jib by reserved adpting flange, and extension is main
Flange joint is passed through between end and the reserved adpting flange of horizontal material.
A kind of expanded type communication tower the most according to claim 1, is characterized in that, also include moving closer to tower master from bottom to top
The oblique material of auxiliary master of bar, the described oblique material of auxiliary master is positioned at the top of tower mobile jib extension supporting framework layer, the lower end of the main oblique material of auxiliary
By Flange joint between the upper end of oblique material main with the extension in the adjacent lower section of the oblique material of this auxiliary master, the upper end of the main oblique material of auxiliary
And pass through Flange joint between tower mobile jib.
A kind of expanded type communication tower the most according to claim 1, is characterized in that, the main oblique material of auxiliary, to be positioned at this auxiliary master oblique
Triangular support configurations is constituted between the main horizontal material of extension and the tower mobile jib of the tower mobile jib extension supporting framework layer of the adjacent lower section of material.
5. according to a kind of expanded type communication tower described in claim 3 or 4, it is characterized in that, the main oblique material of described auxiliary includes auxiliary
Help the guiding pretension bindiny mechanism assisting oblique material and the lower oblique material of auxiliary in oblique material, the oblique material of lower auxiliary, connection, the described oblique material of upper auxiliary
Upper end be provided with bulb attachment structure, the lower end of the lower oblique material of auxiliary is provided with lower bulb attachment structure, and described upper bulb connects knot
Structure includes that upper ball base and the upper bulb being arranged in upper ball base, the upper end of upper bulb material oblique with upper auxiliary are connected, described auxiliary
The upper end of main oblique material is connected with tower mobile jib by upper ball base;
Described lower bulb attachment structure includes lower ball base and the lower bulb being arranged in lower ball base, lower bulb and the lower oblique material of auxiliary
Lower end is connected, and the lower end of the main oblique material of described auxiliary is oblique with the extension master being positioned at the adjacent lower section of the oblique material of this auxiliary master by lower ball base
The upper end of material is connected;
Described guiding pretension bindiny mechanism includes the pretension governor motion between the oblique material of upper auxiliary and the lower oblique material of auxiliary, along auxiliary
Help the spacing guide rod that the length direction of main oblique material extends, the upper guide bush and the lower guide pin bushing that are set on spacing guide rod, described upper guide bush
Material oblique with upper auxiliary is fixing to be connected, and lower guide pin bushing is fixed with the lower oblique material of auxiliary and is connected, described spacing guide rod be respectively arranged at two ends with limit
Position block,
Described pretension governor motion includes pretension regulation set, the upper pretension adjusting screw rod that is arranged on the oblique material of auxiliary and is arranged on
Lower pretension adjusting screw rod on the lower oblique material of auxiliary, described upper pretension adjusting screw rod is coaxially disposed with lower pretension adjusting screw rod, upper pre-
Tight adjusting screw rod is paralleled with spacing guide rod, and upper pretension adjusting screw rod is contrary with the thread rotary orientation of lower pretension adjusting screw rod, described
The closed at both ends of pretension regulation set, one end of pretension regulation set is provided with the upper regulation screw matched with upper pretension adjusting screw rod,
The other end of pretension regulation set is provided with the lower regulation screw matched with lower pretension adjusting screw rod, described upper regulation screw and downward
Joint screw is coaxially disposed with pretension regulation set.
6. according to a kind of expanded type communication tower described in claim 1 or 2 or 3 or 4, it is characterized in that, the extension of described tower mobile jib
Support framework layer also includes extending support bar, and the lower end of extension support bar is bolted with tower mobile jib, extends the upper of support bar
The top holding oblique material main with extension is connected.
7., according to a kind of expanded type communication tower described in claim 1 or 2 or 3 or 4, it is characterized in that, the described main oblique material of extension with
Extend and pass through Flange joint between main horizontal material.
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CN201610653156.9A CN106285153B (en) | 2016-08-09 | 2016-08-09 | Expanded type communication tower |
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CN110043101A (en) * | 2019-03-22 | 2019-07-23 | 华信咨询设计研究院有限公司 | A kind of comprehensive lever apparatus of wisdom |
CN110984671A (en) * | 2019-11-22 | 2020-04-10 | 雷谢明 | 5G communication launching tower with lever folding and expanding functions |
CN110984671B (en) * | 2019-11-22 | 2020-12-11 | 嘉兴华维新能源有限公司 | 5G communication launching tower with lever folding and expanding functions |
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