CN112922017B

CN112922017B - Communication tower embedded structure and construction method thereof

Info

Publication number: CN112922017B
Application number: CN202110096036.4A
Authority: CN
Inventors: 黄本俊; 胡万华; 李亚军; 张贤
Original assignee: Changzhou Feihuang Steel Pole Co ltd
Current assignee: Changzhou Feihuang Steel Pole Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2022-02-01
Anticipated expiration: 2041-01-25
Also published as: CN112922017A

Abstract

The utility model relates to a technical field of communication tower construction discloses a communication tower embedded structure, including the ground frame and if dry concrete prefabricated section, the ground frame includes locating rack and the cover frame of vertical slip setting on the locating rack, the concrete prefabricated section links to each other with the vertical slip of locating rack, the dispersion is provided with a plurality of spouts that are used for sliding with the concrete prefabricated section and link to each other on the locating rack, the spout top is opened and the bottom is sealed, the cover frame is used for sealing the spout top, the cover frame passes through fixed establishment and links to each other with the detachable fixed of locating rack, be provided with on the locating rack and be used for fixing the installed part in the spout with the concrete prefabricated section. This application has construction convenience's effect.

Description

Communication tower embedded structure and construction method thereof

Technical Field

The application relates to the field of communication tower construction, in particular to a communication tower embedded structure and a construction method thereof.

Background

A communication tower, also called communication tower, belongs to a signal transmitting tower. The communication tower is composed of a pre-buried foundation, a tower body, a platform, a lightning rod, a ladder stand, an antenna support and other steel components, is subjected to hot galvanizing corrosion prevention treatment, and is mainly used for transmission and emission of microwave, ultrashort wave and wireless network signals. The embedded foundation is buried underground and is an important part for supporting the above-ground steel components such as the tower body and the like, and the quality of the embedded foundation directly influences the structural stability of the communication tower.

The utility model discloses a can bury counter weight formula rapid communication tower is disclosed in the utility model patent of grant publication number CN203684763U, including counter weight mechanism, basic rigid frame, tower body, antenna armful pole and communication antenna, communication antenna installs on the antenna armful pole, and the lower extreme of tower body is connected with a pre-buried tower section, and the lower extreme fixed mounting of pre-buried tower section is on basic rigid frame, and basic rigid frame fixed mounting is on counter weight mechanism, and counter weight mechanism comprises a plurality of concrete counterweight, and the concrete counterweight passes through rag bolt and is connected with basic rigid frame. The concrete balancing weight of pouring completion in advance combines the ground that is used for components such as support tower body with basic rigid frame jointly, and constructor need not the cast in situ concrete with the structure ground, and the efficiency of construction is high.

To the correlation technique among the above-mentioned, the inventor thinks that the concrete balancing weight needs to put into earlier in the foundation ditch dug because of its connected mode that adopts rag bolt and the characteristic that self dead weight is big, puts into the foundation ditch with basic rigid frame again, lets rag bolt on all concrete balancing weights run through basic rigid frame, rethread nut fixed connection footing bolt and basic rigid frame, and this process sets up the requirement height of position precision to the concrete balancing weight, has the inconvenient defect of construction.

Disclosure of Invention

In order to solve the problem that the construction of a communication tower embedded structure is inconvenient, the application provides a communication tower embedded structure and a construction method thereof

In a first aspect, the application provides a communication tower embedded structure, which adopts the following technical scheme:

the utility model provides a communication tower embedded structure, includes the ground frame and if dry concrete prefabricated section, the ground frame includes locating rack and the cover frame of vertical slip setting on the locating rack, the concrete prefabricated section links to each other with the vertical slip of locating rack, the dispersion is provided with a plurality of spouts that are used for sliding continuous with the concrete prefabricated section on the locating rack, the spout top is opened and the bottom is sealed, the cover frame is used for sealing the spout top, the cover frame passes through fixed establishment and links to each other with the detachable fixed of locating rack, be provided with on the locating rack and be used for fixing the installed part in the spout with the concrete prefabricated section.

Through adopting above-mentioned technical scheme, it links to each other with the slip of concrete prefabricated section to pass through the locating rack, and the locating rack links to each other with the slip of covering the frame, realize the automatic positioning of covering frame and concrete prefabricated section, effectively reduce the construction degree of difficulty, the block of concrete prefabricated section through covering frame and locating rack, and the fixed of installed part be less than and fixed in the foundation frame, concrete prefabricated section and foundation frame relative displacement's possibility, the structural stability of the pre-buried ground of communication tower that concrete prefabricated section and foundation frame make up jointly is good.

Optionally, a sliding block used for being in sliding connection with the sliding groove is pre-embedded in the concrete precast block, and a lubricating wax layer is coated on the sliding block.

Through adopting above-mentioned technical scheme, the sliding block is because of lubricated wax layer self-lubricating when sliding, and it is smooth and easy to slide.

Optionally, foundation bolts are pre-buried on the concrete precast block, a through hole for the foundation bolt to penetrate through is formed in the covering frame, and mounting nuts for fixedly connecting the foundation bolts and the covering frame are connected to the foundation bolts through threads.

Through adopting above-mentioned technical scheme, concrete prefabricated section and cover frame pass through rag bolt and mounting nut fixed linking to each other, and concrete prefabricated section and foundation frame's connection stability is better.

Optionally, the locating rack is provided with a support rod corresponding to the concrete precast block, the support rod is provided with a buffer block in a vertical sliding manner, the support rod is provided with a buffer spring for driving the buffer block to be away from the support block, and the bottom surface of the concrete precast block is provided with a buffer hole for being simultaneously embedded with the support rod and the buffer block.

Through adopting above-mentioned technical scheme, buffer spring's elasticity and buffer block's slip effectively reduce the concrete precast block and slide the possibility that too fast and impact damage locating rack down.

Optionally, the inner diameter of the buffer hole is equal to the outer diameter of the buried bolt, and the depth of the buffer hole is equal to the length of the part of the buried bolt outside the concrete precast block.

Through adopting above-mentioned technical scheme, the precast concrete piece can pile up the setting, and the degree of freedom of pre-buried foundation structure construction is bigger.

Optionally, a wear-resistant coating layer for preventing the concrete precast block from sliding down to the impact damage positioning frame is fixedly arranged on the positioning frame.

By adopting the technical scheme, the possibility that the concrete precast block impacts and damages the positioning frame due to the fact that the concrete precast block slides down too fast is further reduced by the wear-resistant coating layer.

Optionally, the fixing mechanism includes a plurality of mounting pipes fixedly disposed on the positioning frame, the covering frame is fixedly disposed with a locking pipe for being inserted into the mounting pipe, a plurality of overflow grooves are circumferentially disposed on the periphery of the locking pipe, the length direction of the overflow grooves is the same as the bus direction of the locking pipe, the locking pipe is provided with a plurality of overflow holes communicating with the inside and the outside of the locking pipe and communicating with the overflow grooves, and the covering frame is provided with a pouring opening for pouring an adhesive into the locking pipe.

Through adopting above-mentioned technical scheme, the grafting that covers frame and locating rack through locking pipe and installation pipe slides and links to each other to through pouring the solidification adhesive fixation of intraoral pouring adhesive and adhesive.

Optionally, the installed part corresponds the concrete prefabricated section setting, the installed part includes two installation hooks that the direction of bending departed from each other, the installation hook adopts elastic metal to make, the coupler body part of installation hook is located the top of installation hook, two be provided with the clearance that is used for supplying two installation hook relative displacement deformations between the installation hook, be provided with the mounting hole that is used for simultaneously and two installation hook gomphosis on the bottom surface of concrete prefabricated section, the mounting hole is the stairstepping setting that big footpath end is close to concrete prefabricated section center department.

Through adopting above-mentioned technical scheme, automatic the gomphosis of installation hook and mounting hole when the concrete precast block gliding and with the concrete precast block locking in the spout.

Optionally, the concrete precast block is detachably and fixedly connected with a suspension hook for conveniently suspending and displacing the concrete precast block.

Through adopting above-mentioned technical scheme, constructor accessible lifts by crane equipment and hangs the convenient concrete prefabricated section that moves of hook, construction convenience.

In a second aspect, the application provides a construction method of a communication tower embedded structure, which adopts the following technical scheme:

a construction method of a communication tower embedded structure is characterized by comprising the following steps:

s1, excavating a foundation pit, and reinforcing the inner wall of the foundation pit by a method of spraying concrete to protect the wall;

step S2, placing the positioning frame into a foundation pit;

step S3, sliding the concrete precast block into the chute, and fixing the relative position of the chute and the concrete precast block through the mounting piece;

step S4, connecting the cover frame and the positioning frame to the cover frame sealing chute in a sliding way, and fixedly connecting the cover frame and the positioning frame through a fixing mechanism;

and step S5, backfilling the foundation pit and tamping the soil layer.

Through adopting above-mentioned technical scheme, need not cast in situ concrete, the concrete prefabricated section is convenient and connection stability is good with the relative positioning of cover frame and locating rack, and the construction period of the pre-buried foundation structure of communication tower is short and construction convenience.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the positioning frame is connected with the concrete precast block and the covering frame in a sliding mode, so that the covering frame and the concrete precast block are automatically positioned, the construction difficulty of the communication tower embedded foundation structure is low, and the construction period is short;

2. automatic locking of concrete prefabricated section when the spout gliding is realized to automatic gomphosis through installation hook and mounting hole, and efficiency of construction further improves.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an assembly structure diagram of a foundation frame according to an embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a sectional view of the inner structure of the mounting hole according to the embodiment of the present application.

Fig. 5 is a sectional view of a buffer block sliding structure according to an embodiment of the present application.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

Description of reference numerals: 1. a foundation pit; 2. a foundation frame; 21. a positioning frame; 211. a chute; 212. a support bar; 213. a buffer block; 214. a buffer spring; 215. wear-resistant paint is arranged in a hole layer; 22. a covering frame; 221. perforating holes; 3. concrete precast blocks; 31. anchor bolts; 311. mounting a nut; 32. a slider; 33. a lubricating wax layer; 34. mounting holes; 35. a buffer hole; 4. a steel plate; 41. connecting holes; 42. a hanging hook; 5. mounting a hook; 6. a fixing mechanism; 61. installing a pipe; 62. a locking tube; 621. an overflow trough; 622. an overflow aperture; 623. pouring a mouth; 7. a tower body.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses communication tower embedded structure.

Referring to fig. 1 and 2, a communication tower embedded structure includes foundation frame 2 and sets firmly a plurality of dry concrete prefabricated section 3 on foundation frame 2, and foundation frame 2 sets up in foundation ditch 1, and foundation frame 2 and concrete prefabricated section 3 make up the ground that is used for supporting communication tower body 7 jointly. The concrete precast block 3 is arranged in a matrix shape, anchor bolts 31 and four sliding blocks 32 are embedded in the concrete precast block 3 in advance, the end parts of bolt bodies of the anchor bolts 31 extend upwards to the outside of the concrete precast block 3, and four corners of the concrete precast block 3 are respectively arranged on the four sliding blocks 32. The sliding blocks 32 extend to the outside of the concrete precast block 3 along the diagonal direction of the corresponding concrete precast block 3, and the sliding blocks 32 are coated with a lubricating wax layer 33.

Referring to fig. 2, the foundation frame 2 includes a positioning frame 21 and a covering frame 22 sequentially disposed in the foundation pit 1 from top to bottom, a sliding groove 211 is disposed on the positioning frame 21 corresponding to the concrete precast block 3, and the sliding groove 211 is used for vertically sliding connecting with the sliding block 32. The top end of the sliding groove 211 is open and the bottom end is closed, and the sliding block 32 can slide in and out of the sliding groove 211 and slide smoothly due to the lubricating wax layer 33. The lower part of the cover frame 22 is used for closing the sliding groove 211, and the upper part of the cover frame 22 is used for connecting with the tower body 7. The covering frame 22 is provided with a through hole 221 for the anchor bolt 31 to vertically penetrate through, and the end of the bolt body of the anchor bolt 31 can be fixedly connected with the covering frame 22 through being connected with the thread of the mounting nut 311 after penetrating through the through hole. The cover frame 22 is vertically connected with the positioning frame 21 in a sliding mode, the cover frame and the positioning frame are detachably and fixedly connected through the fixing mechanism 6, and the positioning frame 21 is provided with an installation part for fixing the concrete precast block 3 in the sliding groove 211.

The constructor firstly puts the positioning frame 21 into the foundation pit 1, then slides the concrete precast block 3 into the chute 211, fixes the relative position of the concrete precast block 3 and the chute 211 through the installation part, is connected with the covering frame 22 and the positioning frame 21 in a sliding way, the covering frame 22 and the concrete precast block 3 automatically align by taking the positioning frame 21 as a positioning medium, the penetrating hole 221 and the foundation bolt 31 automatically align, and automatically penetrate along with the connection of the covering frame 22 and the positioning frame 21, the construction is convenient and the efficiency is high;

when the covering frame 22 is displaced to the top end of the closed sliding groove 211, the relative positions of the positioning frame 21 and the covering frame 22 are fixed through the fixing mechanism 6, the mounting nut 311 is sleeved on the foundation bolt 31, the mounting nut 311 is screwed down, the foundation pit 1 is backfilled, and then the construction and construction of the communication tower embedded foundation can be completed. Concrete precast block 3 is fixed continuous with cover frame 22 and locating rack 21 simultaneously, and the inside structural stability of ground is good and stress conduction is even.

Referring to fig. 2 and 3, the fixing mechanism 6 includes a plurality of mounting tubes 61 fixed on the positioning frame 21, a locking tube 62 for inserting into the mounting tubes 61 is fixed on the covering frame 22, and the covering frame 22 and the positioning frame 21 are slidably connected by the fitting of the mounting tubes 61 and the locking tube 62. Three overflow grooves 621 are circumferentially provided on the outer periphery of the lock pipe 62, and the length direction of the overflow grooves 621 coincides with the bus direction of the lock pipe 62. The locking pipe 62 is provided with a plurality of overflow holes 622 communicated with the overflow groove 621, and the overflow holes 622 are communicated with the inside and the outside of the locking pipe 62. Be provided with on the cover frame 22 and pour the mouth 623 with the inside cavity of locking pipe 62 and link to each other, constructor behind grafting locking pipe 62 and installation pipe 61, pours waterproof adhesive into to locking pipe 62 from pouring mouth 623 department, and the adhesive overflows to the overflow launder 621 in from overflow hole 622 department, and locking pipe 62, overflow launder 621 and overflow hole 622 and adhesive bonding locking pipe 62 and installation pipe 61 are filled to the adhesive, can fixed connection cover frame 22 and locating rack 21.

Referring to fig. 4, the bottom surface of the concrete precast block 3 is provided with mounting holes 34 for fitting the mounting members, the two mounting holes 34 are symmetrically arranged at both sides of the anchor bolt 31, and the mounting holes 34 are arranged in a stepped shape with a large diameter end near the center of the concrete precast block 3.

Referring to fig. 5 and 6, two mounting members are provided corresponding to one concrete precast block 3, and each mounting member includes a mounting hook 5 having two bottom ends fixedly connected to the positioning frame 21 and a top end serving as a hook body portion. The mounting hooks 5 are made of elastic steel, a gap which can accommodate the hook body parts of the two mounting hooks 5 simultaneously is arranged between the two mounting hooks 5, and the hook body parts of the two mounting hooks 5 can be relatively displaced and deformed to be positioned in the gap.

When concrete prefabricated section 3 slided downwards in spout 211, two installation hooks 5 are because of being located the hole edge butt on the concrete prefabricated section 3 bottom surface with mounting hole 34 and relative bending, and then installation hook 5 and the gomphosis of mounting hole 34, when concrete prefabricated section 3 moves down to the hook body part of installation hook 5 and the big footpath end of mounting hole 34 when lining up, two installation hooks 5 are because of the elastic property of self and are automatic phase-off deformation to the big footpath end block with mounting hole 34, concrete prefabricated section 3 and the automatic locking of locating rack 21, construction convenience.

Referring to fig. 6, in order to reduce the possibility that the concrete precast block 3 slides too fast vertically and causes damage to the positioning frame 21, a support rod 212 is fixedly arranged on the positioning frame 21 corresponding to the concrete precast block 3. The support rod 212 is vertically provided with a buffer block 213 in a sliding manner, and the support rod 212 is provided with a buffer spring 214 corresponding to the buffer block 213. One end of the buffer spring 214 is fixedly connected with the buffer block 213, the other end of the buffer spring 214 is fixedly connected with the support rod 212, and the elastic force of the buffer spring 214 drives the buffer block 213 to slide away from the support rod 212. A buffer hole 35 is formed in the concrete precast block 3 and located right below the anchor bolt 31, and the buffer hole 35 is used for being simultaneously embedded with the support rod 212 and the buffer hole 35. The positioning frame 21 is coated with an abrasion-resistant coating layer 215, and the abrasion-resistant coating layer 215 in this embodiment is made of a chemical adhesion abrasion-resistant coating prepared from an elastomer. When the concrete precast block 3 slides down on the positioning frame 21, the buffer hole 35 is embedded with the buffer block 213, the elastic force of the buffer spring 214 prevents the concrete precast block 3 from moving down, the moving down speed of the concrete precast block 3 is effectively reduced, and the concrete precast block 3 is not easy to impact and damage the positioning frame 21.

Referring to fig. 4, in order to further improve the utilization rate of the buffer holes 35 and facilitate the stacking of the concrete precast block 3 by the constructor, the inner diameter of the buffer holes 35 is equal to the outer diameter of the anchor bolts 31, and the depth of the buffer holes 35 is equal to the length of the portions of the anchor bolts 31 outside the concrete precast block 3. The spout 211 degree of depth in this embodiment is the twice of concrete prefabricated section 3 height, and concrete prefabricated section 3 can divide into upper strata and lower floor from top to bottom, and the quantity of single-deck concrete prefabricated section 3 is nine. The buffer holes 35 of the concrete precast block 3 located at the upper layer are fitted with the anchor bolts 31 of the concrete precast block 3 located at the lower layer. Constructors can freely determine whether concrete blocks need to be stacked on the positioning frame 21 according to the requirement of construction counterweight, and the construction freedom degree is higher.

Referring to fig. 4, in order to further facilitate the constructor to move the concrete precast block 3, the pre-buried structure further includes a hanging hook 42 detachably and fixedly connected to the concrete precast block 3. The hanging hooks 42 are fixedly welded on the steel plate 4, the two hanging hooks 42 are symmetrically arranged on the steel plate 4, and the steel plate 4 is provided with a connecting hole 41 for the foundation bolt 31 to penetrate through. The constructor overlaps the steel sheet 4 and mounting nut 311 on rag bolt 31 in order, screws up mounting nut 311 to steel sheet 4 and lifting hook all with concrete prefabricated section 3 fixed continuous, and concrete prefabricated section 3 is moved with hoisting equipment to the lifting hook of rethread hoisting equipment and the hook of hanging hook 42, and need not to move down mounting nut 311 and take off steel sheet 4 can.

The implementation principle of a communication tower embedded structure of the embodiment of the application is as follows: a constructor firstly puts the positioning frame 21 into the foundation pit 1, then slides the concrete prefabricated block 3 into the sliding groove 211, the mounting hook 5 is embedded with the mounting hole 34, so that the concrete prefabricated block 3 is automatically locked in the sliding groove 211, the covering frame 22 is displaced until the mounting pipe 61 is inserted into the locking pipe 62, the penetrating hole 221 and the foundation bolt 31 are automatically aligned, and the covering frame 22 moves downwards to automatically penetrate; when the covering frame 22 moves to the top end of the closed sliding groove 211, an adhesive is poured into the pouring hole, the mounting pipe 61 and the locking pipe 62 are fixed by the adhesive, the mounting nut 311 is sleeved on the foundation bolt 31, the mounting nut 311 is screwed down, the foundation pit 1 is backfilled, and the construction of the communication tower embedded foundation can be completed.

The embodiment of the application further discloses a construction method of the communication tower embedded structure.

A construction method of a communication tower embedded structure comprises the following steps:

step S1, excavating a foundation pit 1, reinforcing the inner wall of the foundation pit 1 by a method of spraying a concrete retaining wall, wherein the thickness of the sprayed concrete retaining wall is not less than 1cm, the curing time is not less than 24 hours, the curing temperature is not less than 5 ℃, and the curing of the concrete retaining wall is assisted by hot air equipment if necessary. The inner wall of the foundation pit 1 is difficult to collapse, the reinforcing construction period of the foundation pit 1 is short, and the construction is convenient.

And step S2, placing the positioning frame 21 into the foundation pit 1 through the hoisting equipment, detecting the setting levelness of the positioning frame 21 through the level detector, and manually adjusting the setting position of the positioning frame 21.

Step S3, sequentially sleeving a steel plate 4 and a mounting nut 311 on an anchor bolt 31, screwing the mounting nut 311 until the steel plate 4 is abutted against and pressed against the concrete precast block 3, moving the concrete precast block 3 by a hoisting device through a hook of a hoisting device and a hanging hook 42, sliding the concrete precast block 3 into a chute 211, fixing the concrete precast block 3 in the chute 211 through automatic embedding of a mounting hook 5 and a mounting hole 34, screwing down the mounting nut 311 and disassembling the steel plate 4 and the hanging hook;

when the concrete precast blocks 3 in the positioning frame 21 are arranged in a multi-layer stacking manner, the concrete precast blocks 3 in the remaining layers are sequentially slid into the sliding groove 211 by the hoisting device and the hanging hook 42, otherwise, the operation is ended.

Step S4, placing the covering frame 22 on the positioning frame 21 in a state of sliding connection with the positioning frame 21 through a hoisting device, pouring an adhesive into the pouring hole, manually vibrating the adhesive until the adhesive is uniformly filled, standing the adhesive until the adhesive is solidified, wherein the standing and solidifying time is not less than 24 hours, after standing and maintaining are finished, sleeving the mounting nut 311 on the foundation bolt 31, screwing the mounting nut 311 until the covering frame 22 is abutted and pressed against the concrete precast block 3, fixedly connecting the concrete precast block 3 with the covering frame 22 and the positioning frame 21, and preventing relative displacement and influencing structural stability;

and S5, backfilling the foundation pit 1 and tamping a soil layer, finishing the construction of the communication tower embedded foundation, and having short construction period and convenient construction without pouring concrete on site.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a communication tower embedded structure, includes foundation frame (2) and if dry concrete prefabricated section (3), its characterized in that: the foundation framework (2) comprises a positioning frame (21) and a covering frame (22) which is vertically arranged on the positioning frame (21) in a sliding mode, the concrete precast block (3) is vertically connected with the positioning frame (21) in a sliding mode, a plurality of sliding grooves (211) which are connected with the concrete precast block (3) in a sliding mode are dispersedly arranged on the positioning frame (21), the top end of each sliding groove (211) is open, the bottom end of each sliding groove (211) is closed, the covering frame (22) is used for closing the top end of each sliding groove (211), the covering frame (22) is detachably and fixedly connected with the positioning frame (21) through a fixing mechanism (6), and an installation part used for fixing the concrete precast block (3) in each sliding groove (211) is arranged on the positioning frame (21); the fixing mechanism (6) comprises a plurality of mounting pipes (61) fixedly arranged on a positioning frame (21), a locking pipe (62) inserted into the mounting pipes (61) is fixedly arranged on the covering frame (22), a plurality of overflow chutes (621) are arranged on the periphery of the locking pipe (62) in a surrounding manner, the length direction of each overflow chute (621) is consistent with the bus direction of the locking pipe (62), a plurality of overflow holes (622) which are communicated with the inside and the outside of the locking pipe (62) and communicated with the overflow chutes (621) are arranged on the locking pipe (62), and pouring openings (623) used for pouring adhesive into the locking pipe (62) are arranged on the covering frame (22); the installed part corresponds concrete prefabricated section (3) setting, the installed part is including two installation hooks (5) that the direction of bending departed from mutually, installation hook (5) adopt elastic metal to make, the coupler body part of installation hook (5) is located the top of installation hook (5), two be provided with the clearance that is used for supplying two installation hooks (5) relative displacement deformation between installation hook (5), be provided with mounting hole (34) that are used for simultaneously and two installation hooks (5) gomphosis on the bottom surface of concrete prefabricated section (3), mounting hole (34) are the stairstepping setting that big footpath end is close to concrete prefabricated section (3) center department.

2. The embedded structure of the communication tower as claimed in claim 1, wherein: sliding blocks (32) which are used for being in sliding connection with the sliding grooves (211) are pre-embedded in the concrete precast block (3), and lubricating wax layers (33) are coated on the sliding blocks (32).

3. The embedded structure of the communication tower as claimed in claim 1, wherein: the concrete precast block (3) is pre-buried with rag bolt (31), be provided with on the cover frame (22) and be used for supplying the wear-out hole (221) that rag bolt (31) run through, threaded connection has mounting nut (311) that are used for fixed connection rag bolt (31) and cover frame (22) on rag bolt (31).

4. The pre-buried structure of communication tower of claim 3, characterized in that: the utility model discloses a concrete prefabricated section, including locating rack (21), supporting rod (212) have set firmly corresponding concrete prefabricated section (3) on locating rack (21), vertical slip is provided with buffer block (213) on supporting rod (212), be provided with on supporting rod (212) and be used for driving buffer block (213) and keep away from buffer spring (214) of supporting shoe, be provided with on the bottom surface of concrete prefabricated section (3) and be used for simultaneously with buffer hole (35) of bracing piece (212) and buffer block (213) gomphosis.

5. The pre-buried structure of communication tower of claim 4, characterized in that: the inner diameter of the buffer hole (35) is equal to the outer diameter of the buried bolt, and the depth of the buffer hole (35) is equal to the length of the part of the buried bolt, which is located outside the concrete precast block (3).

6. The embedded structure of the communication tower as claimed in claim 1, wherein: and a wear-resistant coating layer (215) for preventing the concrete precast block (3) from sliding down to the impact damage positioning frame (21) is fixedly arranged on the positioning frame (21).

7. The embedded structure of the communication tower as claimed in claim 1, wherein: the concrete precast block (3) is detachably and fixedly connected with a hanging hook (42) which is used for conveniently hanging and displacing the concrete precast block (3).

8. The construction method of the communication tower embedded structure according to any one of claims 1 to 7, characterized by comprising the following steps:

s1, excavating a foundation pit (1), and reinforcing the inner wall of the foundation pit (1) by a method of spraying concrete to protect the wall;

step S2, placing the positioning frame (21) into the foundation pit (1);

step S3, sliding the concrete precast block (3) into the chute (211), and fixing the relative position of the chute (211) and the concrete precast block (3) through a mounting piece;

step S4, connecting the covering frame (22) and the positioning frame (21) to the covering frame (22) to seal the sliding chute (211) in a sliding manner, and fixedly connecting the covering frame (22) and the positioning frame (21) through a fixing mechanism (6);

and step S5, backfilling the foundation pit (1) and tamping a soil layer.