CN112411601B - Construction method of communication electric tower construction foundation - Google Patents
Construction method of communication electric tower construction foundation Download PDFInfo
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- CN112411601B CN112411601B CN202011247160.8A CN202011247160A CN112411601B CN 112411601 B CN112411601 B CN 112411601B CN 202011247160 A CN202011247160 A CN 202011247160A CN 112411601 B CN112411601 B CN 112411601B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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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
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
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Abstract
The invention discloses a construction method of a communication electric tower construction foundation, which adopts the following construction equipment, and the construction equipment of the communication electric tower construction foundation comprises a forming die, a die fixing device, a threaded column, a reinforcement cage and a form removal device. The method for constructing the foundation of the communication electric tower construction foundation by adopting the communication electric tower construction foundation construction equipment comprises the following steps: s1, excavating foundation; s2, equipment installation; s3, pouring and vibrating concrete; s4, standing for waiting; s5, detaching the die; and S6, dismantling the equipment. The invention is convenient for installation and disassembly, and the flatness of the concrete foundation molded by casting through the molding die is greatly improved.
Description
Technical Field
The invention relates to the technical field of electric power infrastructure construction, in particular to a communication electric tower construction foundation construction method.
Background
The communication tower is composed of tower body, platform, lightning rod, ladder stand, antenna support and other steel members, and is treated by hot galvanizing and anticorrosive treatment, and is mainly used for transmission and emission of microwave, ultrashort wave and wireless network signals. In the modern communication and broadcast television signal transmitting tower engineering construction, no matter a user selects a ground plane or a roof iron tower, the communication antenna is elevated, the service radius of communication or television transmitting signals is increased, and an ideal professional communication effect is achieved. The four-leg self-supporting structure is adopted, the design specification of a steel structure is met, and the construction quantity of the communication electric tower is gradually increased due to the expansion of the basic construction scale of China in recent years, so that certain requirements on the construction efficiency and the construction quality of the communication electric tower are required.
However, the following problems exist in the foundation construction of the existing communication tower construction foundation: the existing communication electric tower construction foundation construction adopts a concrete foundation, the concrete foundation has an exposed height, and the exposed height adopts a wood mold or other types of molds, so that the problems of complex installation and difficult demolding are generally encountered, and the mold has low recycling rate and is not beneficial to environmental protection; the four corners of the common iron tower are connected by flanges, so that the requirement on the flatness of the concrete foundation is high, the flanges are poorly combined with the foundation surface due to the fact that common equipment for connecting the flanges is arranged on the plane of the concrete foundation or the common equipment is difficult to scrape manually, and the stress requirement of the tower body is directly influenced due to the fact that the iron tower is inaccurate in pre-deflection direction and angle.
Disclosure of Invention
In order to solve the problems, the invention provides a foundation construction method for communication electric tower construction, which can solve the problems mentioned above.
In order to achieve the purpose, the invention adopts the following technical scheme to achieve the purpose: the utility model provides a communication electricity tower construction foundation construction method, this communication electricity tower construction foundation construction method adopts following construction equipment, and this communication electricity tower construction foundation construction equipment includes forming die, mould fixing device, screw thread post, steel reinforcement cage and form removal device, forming die sets up on mould fixing device, and the steel reinforcement cage sets up at mould fixing device downside, and screw thread post circumference evenly arranges in the steel reinforcement cage upper end, and the form removal device sets up in the screw thread post upper end, wherein:
the forming die comprises forming splice plates, stop blocks, clamping grooves, die circular plates, clamping rings, fixing holes, feeding holes, fixing blocks and fixing columns, wherein the forming splice plates are spliced with one another to form a circular cylindrical structure, the stop blocks are arranged on the inner side walls of the forming splice plates and are spliced with one another to form a circular annular structure, the inner walls of the forming splice plates on the upper sides of the stop blocks are opened and closed with arc-shaped clamping grooves, the arc-shaped clamping grooves are spliced with one another to form a circular annular structure, the die circular plates are arranged between the forming splice plates on the upper sides of the stop blocks, the outer walls of the die circular plates are provided with the clamping rings matched with the clamping grooves, the outer sides of the die circular plates are uniformly provided with the fixing holes along the circumferential direction, the positions of the fixing holes are matched with threaded columns, the feeding holes are arranged at the central positions of the die circular plates, the upper end faces of the die circular plates close to the fixing holes are uniformly provided with the fixing blocks in pairs, and the fixing columns are arranged between the fixing columns, the upper end of the fixed column is an inclined plane;
the die fixing device comprises a circular ring base, a fixing seat, a threaded rod, an arc plate, a first limiting block and a sliding groove, wherein the fixing seat is uniformly arranged on the upper end face of the circular ring base close to the outer side along the circumferential direction of the circular ring base;
the mold removing device comprises a fixed circular plate, an internal thread block, an air cylinder, a top block, a pulling mechanism and a top extension mechanism, wherein the internal thread block is uniformly arranged on the outer side of the fixed circular plate in a rotating mode along the circumferential direction of the fixed circular plate, the internal thread block corresponds to a thread column and can be screwed on the thread column, the air cylinder is installed at the central position of the upper end face of the fixed circular plate, a telescopic rod of the air cylinder penetrates through one end of the fixed circular plate to be provided with the top block with a conical lower side, the pulling mechanism is uniformly arranged on the outer wall of the upper side of the top block along the circumferential direction of the outer wall, the position of the pulling mechanism corresponds to the position of the fixed column, and the top extension mechanism is uniformly arranged on the lower end face of the fixed circular plate along the circumferential direction of the lower end face of the fixed circular plate;
the method for constructing the foundation of the communication electric tower construction foundation by adopting the communication electric tower construction foundation construction equipment comprises the following steps:
s1, foundation excavation: excavating foundation pits at required positions;
s2, equipment installation: horizontally installing equipment on the ground above the foundation pit hole;
s3, pouring and vibrating concrete: the concrete enters the foundation pit hole through the feeding hole for pouring, when a certain height is poured, the pouring is stopped, the concrete is vibrated through the feeding hole, and the operation is repeated until the concrete completely fills the foundation pit hole and the space in the forming mold;
s4, standing for waiting: after the pouring is finished, waiting for the concrete to be fully hardened;
s5, mold dismantling: removing the forming mould from the hardened and formed concrete foundation through a mould fixing device and a mould removing device;
s6, dismantling equipment: and respectively detaching the die fixing device and the die detaching device from the ground and the threaded column.
And magnets are embedded on the inner wall of the arc-shaped plate.
As a preferable technical scheme of the invention, one end of the threaded rod, which is far away from the center of the circular ring base, is provided with a rotating rod.
As a preferred technical scheme of the invention, inserting and fixing rods uniformly penetrate through the outer side of the circular ring base along the circumferential direction of the circular ring base, and the lower ends of the inserting and fixing rods are of conical structures.
As a preferred technical scheme of the invention, the inner wall of the arc-shaped plate is provided with a protrusion, and the outer wall of the forming splice plate is provided with a groove matched with the protrusion.
According to a preferred technical scheme, the pulling mechanism comprises a fixed rod, a sliding column, a second limiting block, a pulling column, a first telescopic hole, a first limiting groove and a locking block, the fixed rod is uniformly arranged on the outer wall of the upper side of the ejector block along the circumferential direction of the outer wall, the sliding column is installed on the lower side of one end, away from the ejector block, of the fixed rod, the second limiting block is installed at the lower end of the sliding column, the first telescopic hole is formed in the upper end of the pulling column, and the first limiting groove is formed in the bottom of the first telescopic hole. The sliding column is in sliding fit with the first telescopic hole, the second limiting block is in sliding fit with the first limiting groove, and the locking block used for locking the fixing column is installed at the lower end of the pulling column.
As a preferred technical scheme of the invention, a locking groove with a downward opening is formed in the lower side of the locking block, a second telescopic hole is formed in the locking block relative to the outer side wall, the second telescopic hole is communicated with the locking groove, a third limiting groove is formed in the second telescopic hole, a locking pin is arranged in the second telescopic hole in a sliding mode, a second limiting ring is arranged on one side, close to the locking groove, of the locking pin in the third limiting groove, a second jacking spring is sleeved on the locking pin in the third limiting groove, and an inclined surface matched with the inclined surface on the fixed column is formed in one end, extending into the locking groove, of the locking pin.
According to a preferred technical scheme, the jacking and stretching mechanism comprises a fixed plate, a telescopic cylinder, a sliding rod, an arc-shaped top plate, a second limiting groove, a first limiting ring and a first jacking and stretching spring, the fixed plate is uniformly arranged along the circumferential direction of the lower end face of the fixed circular plate, the telescopic cylinder is installed at the lower end of the fixed plate, the sliding rod is arranged in the telescopic cylinder in a sliding mode, the arc-shaped top plate is installed at one end, away from the central axis of the fixed circular plate, of the sliding rod, one end, close to the central axis of the fixed circular plate, of the sliding rod is of a hemispherical structure, the second limiting groove is formed in the inner wall of the telescopic cylinder, the first limiting ring is arranged on the sliding rod, close to one side of the central axis of the fixed circular plate, of the second limiting groove, and the first jacking and stretching spring is sleeved on the sliding rod in the second limiting groove.
The invention has the beneficial effects that:
1. the invention can solve the following problems in the foundation construction of the existing communication tower construction foundation: the existing communication electric tower construction foundation construction adopts a concrete foundation, the concrete foundation has an exposed height, the exposed height adopts a wood mold or other types of molds, the demolding is difficult, the mold recycling rate is low, and the environmental protection is not facilitated; the four corners of the common iron tower are connected by flanges, so that the requirement on the flatness of the concrete foundation is high, the flanges are poorly combined with the foundation surface due to the fact that common equipment for connecting the flanges is arranged on the plane of the concrete foundation or the common equipment is difficult to scrape manually, and the stress requirement of the tower body is directly influenced due to the fact that the iron tower is inaccurate in pre-deflection direction and angle. The invention is convenient for installation and disassembly, and the flatness of the concrete foundation molded by casting through the molding die is greatly improved.
2. The mold stripping device designed by the invention can drive the jacking and stretching mechanism to impact the molding splice plates to a certain extent through the stretching of the telescopic rod of the air cylinder, and can also drive the pulling mechanism to pull the circular plate of the mold through the contraction of the telescopic rod of the air cylinder, so that the circular alternate driving of the pulling mechanism and the jacking and stretching mechanism is realized when the air cylinder is circularly stretched, the two mechanisms are mutually assisted, and the mold stripping efficiency is greatly improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic view of a first structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of a portion of the invention at C of FIG. 5;
FIG. 7 is an enlarged view of a portion of FIG. 5 in accordance with the present invention;
FIG. 8 is a cross-sectional view taken along line E-E of FIG. 4 in accordance with the present invention;
fig. 9 is an enlarged view of a portion of the invention at F of fig. 8.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 9, a construction method of a foundation of a construction foundation of a communication electric tower adopts the following construction equipment, the construction equipment of the foundation of the construction foundation of the communication electric tower comprises a forming die 1, a die fixing device 2, a threaded column 3, a reinforcement cage 4 and a form removal device 5, the forming die 1 is arranged on the die fixing device 2, the reinforcement cage 4 is arranged at the lower side of the die fixing device 2, the threaded column 3 is circumferentially and uniformly arranged at the upper end of the reinforcement cage 4, and the form removal device 5 is arranged at the upper end of the threaded column 3, wherein:
the forming die 1 comprises forming splicing plates 11, stop blocks 12, clamping grooves 13, circular die plates 14, clamping rings 15, fixing holes 16, feeding holes 17, fixing blocks 18 and fixing columns 19, the forming splicing plates 11 are spliced with one another to form a circular cylindrical structure, the stop blocks 12 are arranged on the inner side walls of the forming splicing plates 11 and are spliced with one another to form a circular annular structure, the inner walls of the forming splicing plates 11 on the upper sides of the stop blocks 12 are opened and closed with arc-shaped clamping grooves 13, the arc-shaped clamping grooves 13 are spliced with one another to form a circular annular structure, the circular die plates 14 are arranged between the forming splicing plates 11 on the upper sides of the stop blocks 12, the outer walls of the circular die plates 14 are provided with the clamping rings 15 matched with the clamping grooves 13, the outer sides of the circular die plates 14 are uniformly provided with the fixing holes 16 along the circumferential direction, the positions of the fixing holes 16 are matched with the threaded columns 3, the feeding holes 17 are arranged at the central positions of the circular die plates 14, the upper end faces of the circular die plates 14 close to the fixing holes 16 are uniformly provided with the fixing blocks 18 in pairs, a fixing column 19 is arranged between the fixing blocks 18, and the upper end of the fixing column 19 is an inclined surface;
the die fixing device 2 comprises a ring base 21, a fixing seat 22, a threaded rod 23, an arc plate 24, a first limiting block 25 and a sliding groove 26, wherein the fixing seat 22 is uniformly arranged on the upper end surface of the ring base 21 close to the outer side along the circumferential direction of the ring base, the threaded rod 23 is screwed on the fixing seat 22, the arc plate 24 is rotatably arranged at one end of the threaded rod 23 close to the center of the ring base 21, a rotating rod 231 is arranged at one end of the threaded rod 23 far away from the center of the ring base 21, the arc plates 24 are spliced with each other to form a circular barrel-shaped structure, the inner wall of the circular barrel-shaped structure is attached to the outer wall of the forming splicing plate 11, a magnet is embedded on the inner wall of the arc plate 24, the first limiting block 25 is arranged on the ring base 21 on the inner side opposite to the fixing seat 22, the sliding groove 26 in sliding fit with the first limiting block 25 is arranged at the bottom of the arc plate 24, inserting and fixing rods 211 are uniformly penetrated and arranged on the outer side of the ring base 21 along the circumferential direction, the lower end of the insertion fixing rod 211 is of a conical structure;
the inner wall of the arc-shaped plate 24 is provided with a protrusion, and the outer wall of the molding splice plate 11 is provided with a groove matched with the protrusion.
During specific work, the ring base 21 is horizontally fixed on the ground through the inserting and fixing rod 211, the reinforcement cage 4 is arranged at the middle position of the ring base 21, the threaded rod 23 is rotated through the rotating rod 231, the threaded rod 23 moves towards the middle of the ring base 21 through threaded transmission on the fixing seat 22, so that the arc plates 24 move towards the middle of the ring base 21 along with the threaded rod 23, the arc plates 24 are mutually close to each other and are gradually spliced into a cylindrical shape, when the cylindrical shape is not formed between the arc plates 24, the forming splicing plates 11 are sequentially attached to the inner walls of the arc plates 24 and are attracted and fixed by magnets, the lower ends of the forming splicing plates 11 are in sliding contact with the upper end face of the ring base 21, meanwhile, the protrusions of the inner walls of the arc plates 24 are matched with the grooves in the outer walls of the forming splicing plates 11 to be further limited, the positions, corresponding to the threaded columns 3, of the fixing holes 16 on the die circular plate 14 slide downwards, and are just blocked by the stop sliding downwards when the die circular plate 14 slides downwards, at this moment, the rotating rod 231 is gradually rotated to enable the arc plates 24 to be close to each other and spliced into a cylindrical shape, the molding splicing plates 11 are gradually extruded to be close to each other and spliced into a cylindrical structure, and the clamping grooves 13 in the molding splicing plates 11 gradually clamp the clamping rings 15 on the circular mold plates 14, so that the circular mold plates 14 block the upper sides of the cylindrical structures formed by splicing the molding splicing plates 11.
Concrete enters the foundation pot hole through the feeding hole 17 to be poured, pouring is stopped when a certain height is poured, the concrete is vibrated through the feeding hole 17, the operation is repeated until the concrete completely fills the foundation pot hole and the space in the forming die 1, and after pouring is finished, the concrete is waited to be fully hardened and formed.
The mould removing device 5 comprises a fixed circular plate 51, an internal thread block 52, an air cylinder 53, a top block 54, a pulling mechanism 55 and a top extension mechanism 56, wherein the external side of the fixed circular plate 51 is uniformly and rotatably provided with the internal thread block 52 along the circumferential direction of the fixed circular plate, the internal thread block 52 corresponds to the threaded column 3 and can be screwed on the threaded column 3, the air cylinder 53 is arranged at the central position of the upper end surface of the fixed circular plate 51, a telescopic rod of the air cylinder 53 penetrates through one end of the fixed circular plate 51 to be provided with the top block 54 with a conical lower side, the outer wall of the upper side of the top block 54 is uniformly provided with the pulling mechanism 55 along the circumferential direction of the top block, the position of the pulling mechanism 55 corresponds to the position of the fixed column 19, and the lower end surface of the fixed circular plate 51 is uniformly provided with the top extension mechanism 56 along the circumferential direction of the fixed circular plate;
the lower side of the locking block 557 is provided with a locking groove 5571 with a downward opening, the locking block 557 is provided with a second telescopic hole 5572 opposite to the outer side wall, the second telescopic hole 5572 is communicated with the locking groove 5571, a third limiting groove 5573 is formed in the second telescopic hole 5572, the locking pin 5574 is arranged in the second telescopic hole 5572 in a sliding manner, a second limiting ring 5575 is arranged on one side, close to the locking groove 5571, of the locking pin 5574 in the third limiting groove 5573, the locking pin 5574 in the third limiting groove 5573 is sleeved with a second ejection spring 5576, and one end, extending into the locking groove 5571, of the locking pin 5574 is provided with an inclined surface matched with the inclined surface on the fixed column 19;
the top extension mechanism 56 comprises a fixed plate 561, a telescopic cylinder 562, a sliding rod 563, an arc-shaped top plate 564, a second limiting groove 565, a first limiting ring 566 and a top extension spring 567, the fixed plate 561 is evenly arranged along the circumferential direction of the lower end face of the fixed circular plate 51, the telescopic cylinder 562 is arranged at the lower end of the fixed plate 561, the sliding rod 563 is slidingly arranged in the telescopic cylinder 562, the arc-shaped top plate 564 is arranged at one end, far away from the central axis of the fixed circular plate 51, of the sliding rod 563, one end, close to the central axis of the fixed circular plate 51, of the sliding rod 563 is of a hemispherical structure, the second limiting groove 565 is formed in the inner wall of the telescopic cylinder 562, the first limiting ring 566 is arranged on the sliding rod 563, close to one side of the central axis of the fixed circular plate 51, of the second limiting groove 565, and the first top extension spring 567 is arranged on the sliding rod 563.
During specific work, after concrete is fully hardened, the threaded rod 23 is rotated by the rotating rod 231, so that the threaded rod 23 moves towards the outer side of the circular ring base 21 on the fixed seat 22 through thread transmission, the arc plate 24 moves towards the outer side of the circular ring base 21 along with the threaded rod 23, the arc plate 24 is separated from contact with the outer wall of the forming splicing plate 11, and the forming mould 1 is bonded on the hardened concrete due to certain adhesive force of the hardened concrete to the forming mould 1; the inner thread block 52 is correspondingly screwed on the thread column 3, the air cylinder 53 works, when the telescopic rod of the air cylinder 53 extends for the first time, the top block 54 drives the sliding column 552 to move downwards through the fixing rod 551, the sliding column 552 slides downwards in the first telescopic hole 555, the limit stop 12 slides downwards in the first limit groove 556, when the limit stop 12 moves to be contacted with the bottom surface of the first limit groove 556, the pulling column 554 is pressed downwards, so that the locking block 557 moves downwards, the fixed column 19 correspondingly extends into the locking groove 5571 on the locking block 557, the fixed column 19 pushes the end part of the locking pin 5574 to retract into the second telescopic hole 5572 through the inclined surface, the second jacking spring 5576 is compressed, when the fixed column 19 reaches a certain position, the fixed column 19 is separated from the contact with the locking pin 5574, the second jacking spring 5575 drives the locking pin 5574 to enable the end part of the locking pin 5574 to extend into the locking groove 5571 again, the fixing post 19 is locked in the locking groove 5571, and the circular plate 14 of the die is connected with the pulling mechanism 55 through the fixing post 19; when the telescopic rod of the cylinder 53 extends out, the top block 54 moves downwards to enable the conical surface of the top block 54 to push against one end of the sliding rod 563 hemispherical structure, so that the sliding rod 563 moves to one side far away from the central axis of the fixed circular plate 51, the sliding rod 563 compresses a first push-extension spring 567 through a first limiting ring 566, the arc-shaped top plate 564 is close to the molding splice plate 11 along with the sliding rod 563, when the cylinder 53 drives the top block 54 to move downwards to a certain position, the arc-shaped top plate 564 pushes against the molding splice plate 11 to form impact force, the upper end of the molding splice plate 11 inclines outwards, when the molding splice plate 11 inclines outwards around the lower end of the molding splice plate, the snap ring 15 is separated from the snap groove 13, meanwhile, the stop block 12 rotates at the lower end of the wound molding splice and pushes against the outer edge of the circular plate 14 of the mold, so that the circular plate 14 can be separated from the hardened concrete, and the molding splice plates 11 are separated from each other; when the telescopic rod of the air cylinder 53 is contracted, the top block 54 moves upwards, the sliding rod 563 is separated from the top block 54, the first jacking spring 567 enables the sliding rod 563 to reset with the arc-shaped top plate 564 by jacking the first limiting ring 566, the fixed rod 551 is driven by the top block 54 to move upwards, the sliding column 552 slides upwards in the first telescopic hole 555 along with the fixed rod 551, the sliding column 552 drives the limiting stopper 12 to slide upwards in the first limiting groove 556, when the limiting stopper 12 moves to the top of the first limiting groove 556, the limiting stopper 12 pulls the pulling column 554, the pulling column 554 pulls the mould circular plate 14 through the locking block 557, and the mould circular plate is separated from the hardened concrete; because the concrete is closely bonded with the molding splice plate 11 and the circular mold plate 14 after being fully hardened and can not be demoulded through one-time reciprocating work of the air cylinder 53, the air cylinder 53 works fast and continuously impacts and pulls the molding splice plate 11 and the circular mold plate 14, finally the molding splice plate 11 and the circular mold plate 14 are completely separated from the hardened concrete, the pulling mechanism 55 and the jacking and stretching mechanism 56 are mutually assisted and matched to greatly improve the demoulding efficiency,
after the forming mold 1 is disassembled, the mold fixing device 2 and the mold disassembling device 5 are respectively disassembled from the ground and the threaded column 3, the circular ring base 21 is sleeved on the formed concrete foundation at the moment, the inserting and fixing rod 211 is removed, the circular ring base 21 is fixedly removed from the ground, the circular ring base 21 is dragged upwards from bottom to top, and the circular ring base 21 is separated from the concrete foundation; make screw block 52 get rid of from threaded column 3 through rotating internal thread piece 52, mould fixing device 2 and demolition unit 5 are demolishd completely, mould plectane 14 upwards slides from threaded column 3 and gets rid of, accomplish and demolish, the flatness of the concrete foundation top after demolising is the same with mould plectane 14 flatness has higher flatness (to the feed port 17 in mould plectane 14 middle part, general flange joint's flange middle part is hollow does not influence near the flatness of threaded column 3), construction quality has been guaranteed, the forming die 1 who demolishs can cyclic utilization, have green's advantage.
The method for constructing the foundation of the communication electric tower construction foundation by adopting the communication electric tower construction foundation construction equipment comprises the following steps:
s1, foundation excavation: excavating foundation pits at required positions;
s2, equipment installation: horizontally installing equipment on the ground above the foundation pit hole;
s3, pouring and vibrating concrete: concrete enters the foundation pit hole through the feeding hole 17 to be poured, when the concrete is poured to a certain height, the pouring is stopped, the concrete is vibrated through the feeding hole 17, and the operation is repeated until the concrete completely fills the foundation pit hole and the space in the forming die 1;
s4, standing and waiting: after the pouring is finished, waiting for the concrete to be fully hardened;
s5, mold dismantling: the forming die is detached from the hardened and formed concrete foundation through the die fixing device 2 and the die detaching device 5;
s6, dismantling equipment: the mould holding device 2 and the stripping device 5 are removed from the ground and the threaded column 3, respectively.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a communication electricity tower construction foundation construction method, this communication electricity tower construction foundation construction method adopts following construction equipment, and this communication electricity tower construction foundation construction equipment includes forming die (1), mould fixing device (2), screw thread post (3), steel reinforcement cage (4) and form removal device (5), its characterized in that: forming die (1) sets up on mould fixing device (2), and steel reinforcement cage (4) set up in mould fixing device (2) downside, and screw thread post (3) circumference evenly arranges in steel reinforcement cage (4) upper end, and form removal device (5) set up in screw thread post (3) upper end, wherein:
the forming die (1) comprises forming splice plates (11), stop blocks (12), clamping grooves (13), die circular plates (14), clamping rings (15), fixing holes (16), feeding holes (17), fixing blocks (18) and fixing columns (19), the forming splice plates (11) are spliced with one another to form a circular cylindrical structure, the stop blocks (12) are arranged on the inner side walls of the forming splice plates (11), the stop blocks (12) are spliced with one another to form a circular annular structure, arc-shaped clamping grooves (13) are formed in the inner walls of the forming splice plates (11) on the upper sides of the stop blocks (12), the arc-shaped clamping grooves (13) are spliced with one another to form a circular annular structure, the die circular plates (14) are arranged between the forming splice plates (11) on the upper sides of the stop blocks (12), the outer walls of the die circular plates (14) are provided with the clamping rings (15) matched with the clamping grooves (13), the outer sides of the die circular plates (14) are uniformly provided with the fixing holes (16) along the circumferential direction thereof, the position of the fixing hole (16) is matched with the threaded column (3), the feeding hole (17) is formed in the center position of the circular plate (14) of the die, the upper end faces, close to the fixing hole (16), of the circular plate (14) of the die are uniformly provided with the fixing blocks (18) in pairs, fixing columns (19) are installed between the fixing blocks (18), and the upper ends of the fixing columns (19) are inclined planes;
the die fixing device (2) comprises a circular ring base (21), a fixing seat (22), a threaded rod (23), an arc plate (24), a first limiting block (25) and a sliding groove (26), wherein the fixing seat (22) is uniformly arranged on the upper end surface, close to the outer side, of the circular ring base (21) along the circumferential direction of the circular ring base, the threaded rod (23) is in threaded connection with the fixing seat (22), the arc plate (24) is rotatably arranged at one end, close to the center of the circular ring base (21), of the threaded rod (23), the arc plates (24) are mutually spliced to form a circular barrel-shaped structure, the inner wall of the circular barrel-shaped structure is attached to the outer wall of the forming splicing plate (11), the first limiting block (25) is arranged on the circular ring base (21) on the inner side, opposite to the fixing seat (22), and the sliding groove (26) in sliding fit with the first limiting block (25) is formed in the bottom of the arc plate (24);
the mold removing device (5) comprises a fixed circular plate (51), an internal thread block (52), an air cylinder (53), a top block (54), a pulling mechanism (55) and a top extension mechanism (56), wherein the external side of the fixed circular plate (51) is uniformly and rotatably provided with the internal thread block (52) along the circumferential direction of the fixed circular plate, the internal thread block (52) corresponds to the threaded column (3) and can be screwed on the threaded column (3), the air cylinder (53) is arranged at the central position of the upper end surface of the fixed circular plate (51), a top block (54) with a conical lower side is arranged at one end, penetrating through the fixed circular plate (51), of a telescopic rod of the air cylinder (53), the pulling mechanism (55) is uniformly arranged on the outer wall of the upper side of the top block (54) along the circumferential direction of the outer wall, the position of the pulling mechanism (55) corresponds to the position of the fixed circular plate (19), and the top extension mechanism (56) is uniformly arranged on the lower end surface of the fixed circular plate (51) along the circumferential direction of the fixed circular plate;
the pulling mechanism (55) comprises a fixing rod (551), a sliding column (552), a second limiting block (553), a pulling column (554), a first telescopic hole (555), a first limiting groove (556) and a locking block (557), the fixing rod (551) is uniformly arranged on the outer wall of the upper side of the top block (54) along the circumferential direction of the outer wall, the sliding column (552) is installed on the lower side of one end, away from the top block (54), of the fixing rod (551), the second limiting block (553) is installed at the lower end of the sliding column (552), the first telescopic hole (555) is formed in the upper end of the pulling column (554), and the first limiting groove (556) is formed in the bottom of the first telescopic hole (555); the sliding column (552) is in sliding fit with the first telescopic hole (555), the second limiting block (553) is arranged in the first limiting groove (556) in a sliding fit mode, and the lower end of the pulling column (554) is provided with a locking block (557) used for locking the fixing column (19);
the jacking mechanism (56) comprises a fixed plate (561), a telescopic cylinder (562), a sliding rod (563), an arc-shaped top plate (564), a second limiting groove (565), a first limiting ring (566) and a first jacking spring (567), the fixing plate (561) is uniformly arranged along the circumferential direction of the lower end face of the fixing circular plate (51), the telescopic cylinder (562) is installed at the lower end of the fixing plate (561), the sliding rod (563) is arranged in the telescopic cylinder (562) in a sliding mode, the arc-shaped top plate (564) is installed at one end, far away from the central axis of the fixing circular plate (51), of the sliding rod (563), one end, close to the central axis of the fixing circular plate (51), of the sliding rod (563) is of a hemispherical structure, a second limiting groove (565) is formed in the inner wall of the telescopic cylinder (562), a first limiting ring (566) is arranged on the sliding rod (563), close to one side of the central axis of the fixing circular plate (51), of the second limiting groove (565), and a first jacking spring (567) is sleeved on the sliding rod (563) in the second limiting groove (565);
the method for constructing the foundation of the communication electric tower construction foundation by adopting the communication electric tower construction foundation construction equipment comprises the following steps:
s1, foundation excavation: excavating foundation pits at required positions;
s2, equipment installation: horizontally installing equipment on the ground above the foundation pit hole;
s3, pouring and vibrating cement: cement enters the foundation pit hole through the feeding hole (17) for pouring, when a certain height is poured, pouring is stopped, the cement is vibrated through the feeding hole (17), and the operation is repeated until the cement completely fills the foundation pit hole and the space in the forming die (1);
s4, standing for waiting: after the pouring is finished, waiting for the cement to be fully hardened;
s5, mold dismantling: removing the forming mould from the hardened and formed concrete foundation through a mould fixing device (2) and a mould removing device (5);
s6, dismantling equipment: and (3) respectively removing the mold fixing device (2) and the mold removing device (5) from the ground and the threaded column (3).
2. The method for constructing the foundation of the communication electric tower construction foundation according to claim 1, wherein: and magnets are embedded on the inner wall of the arc-shaped plate (24).
3. The method for constructing the foundation of the communication electric tower construction foundation according to claim 1, wherein: and a rotating rod (231) is arranged at one end, away from the center of the circular ring base (21), of the threaded rod (23).
4. The method for constructing the foundation of the communication power tower construction foundation according to claim 1, wherein: the outer side of the circular ring base (21) is uniformly provided with inserting and fixing rods (211) in a penetrating mode along the circumferential direction of the circular ring base, and the lower ends of the inserting and fixing rods (211) are of a conical structure.
5. The method for constructing the foundation of the communication electric tower construction foundation according to claim 1, wherein: the inner wall of the arc-shaped plate (24) is provided with a protrusion, and the outer wall of the forming splice plate (11) is provided with a groove matched with the protrusion.
6. The method for constructing the foundation of the communication electric tower construction foundation according to claim 1, wherein: the locking device is characterized in that a locking groove (5571) with a downward opening is formed in the lower side of the locking block (557), a second telescopic hole (5572) is formed in the locking block (557) and is opposite to the outer side wall, the second telescopic hole (5572) is communicated with the locking groove (5571), a third limiting groove (5573) is formed in the second telescopic hole (5572), a locking pin (5574) is arranged in the second telescopic hole (5572) in a sliding mode, a second limiting ring (5575) is installed on one side, close to the locking groove (5571), of the locking pin (5574) in the third limiting groove (5573), a second ejection spring (5576) is sleeved on the locking pin (5574) in the third limiting groove (5573), and an inclined surface matched with the inclined surface on the fixed column (19) is formed in one end, extending into the locking groove (5571), of the locking pin (5574).
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| CN202011247160.8A CN112411601B (en) | 2020-11-10 | 2020-11-10 | Construction method of communication electric tower construction foundation |
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| CN201809771U (en) * | 2010-10-06 | 2011-04-27 | 湖北省电力公司襄樊襄阳供电公司 | Positioning tool during pouring of iron tower foundation |
| CN105544587B (en) * | 2015-12-10 | 2018-01-26 | 上海建工一建集团有限公司 | The construction method of tower crane is fixed using combined type foundation for tower crane |
| US10738436B1 (en) * | 2019-02-15 | 2020-08-11 | Montana Systems Inc. | Tubular foundation for onshore wind turbine generators |
| CN110206228B (en) * | 2019-05-18 | 2020-12-25 | 陕西建工第五建设集团有限公司 | Construction method of semi-fabricated cast-in-place concrete column |
| CN210766846U (en) * | 2019-06-21 | 2020-06-16 | 余俊 | Novel transmission tower foundation |
| CN110952461B (en) * | 2019-12-23 | 2021-03-26 | 武汉市市政工程机械化施工有限公司 | Construction method for viaduct bridge pier |
| CN111501762B (en) * | 2020-04-26 | 2021-09-24 | 广东创晟控股集团有限公司 | Steel structure building foundation ground construction treatment method |
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Effective date of registration: 20220419 Address after: 061000 Hebei Hejian Economic Development Zone (West District), Cangzhou City, Hebei Province Applicant after: Cangzhou Chengxiao communication equipment Co.,Ltd. Address before: No. 1487, Tarim Avenue East, alar city, Aksu Prefecture, Xinjiang Uygur Autonomous Region Applicant before: Liang Changai |
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