CN213926343U - Raft foundation of communication tower - Google Patents
Raft foundation of communication tower Download PDFInfo
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- CN213926343U CN213926343U CN202021848713.0U CN202021848713U CN213926343U CN 213926343 U CN213926343 U CN 213926343U CN 202021848713 U CN202021848713 U CN 202021848713U CN 213926343 U CN213926343 U CN 213926343U
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Abstract
The utility model provides a communication tower raft foundation, including the odd number raft veneer of horizontal arrangement, pour the tower body mounting base on the valve veneer in the middle, the raft veneer includes concrete base member and steel connecting piece, the steel connecting piece includes horizontal steelframe and the symmetrical connector of fixing at horizontal steelframe both ends, and horizontal steelframe is pour in the concrete base member and both ends stretch out outside the concrete base member, the connector includes the locating plate of fixing the vertical setting in horizontal steelframe tip, seted up the connecting hole on the locating plate, the axis level of connecting hole sets up, the locating plate bottom is fixed with the supporting seat, the bottom surface of supporting seat is the horizontal plane, the lateral surface of locating plate, the lateral surface of supporting seat are vertical face and are in the coplanar; the positioning plates of the adjacent raft single plates are abutted, and the bolts penetrate through the connecting holes of the two positioning plates simultaneously to be connected with the nuts. The horizontal steel frame is made of acid-resistant steel, so that the corrosion resistance is good and the service life is long; the raft foundation structure is stable, and the preparation is simple and rapid.
Description
Technical Field
The utility model relates to a communication infrastructure field, in particular to communication tower raft foundation.
Background
The raft foundation is the basis of installation communication tower, and present raft foundation is mostly cast-in-place basis, but this kind of mode of cast-in-place basis receives the place restriction, and construction speed is slow. Thus producing a prefabricated raft.
In particular, the fast raft foundation disclosed in CN209397620U can be referred to, which comprises a bottom precast block and a superposed precast block, wherein the superposed precast block is arranged above the bottom precast block; a steel part, a sleeve and a reinforcing rib are embedded in the bottom prefabricated block, the bottom of the reinforcing rib is rigidly fixed with the steel part, and the top of the reinforcing rib is fixedly connected with the sleeve; the inner side of the sleeve is provided with a threaded through hole which is communicated with the top of the bottom layer precast block; the stacking precast block is provided with a plurality of positioning holes, and the vertical fasteners penetrate through the positioning holes and are fixedly connected into the threaded through holes, so that the bottom precast block and the stacking precast block are fixed.
The rapid raft plate can only realize the fixation of the upper layer and the lower layer to form a whole through the bottom precast block and the superposed precast blocks; for a single layer, the bottom precast block and the overlying precast block cannot be used alone.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a communication tower raft foundation can realize that the individual layer arranges.
The above technical purpose of the present invention can be achieved by the following technical solutions: a raft foundation of a communication tower comprises odd raft single plates which are horizontally arranged, wherein a tower body mounting base is poured on the valve single plate at the middle, each raft single plate comprises a concrete base body and steel connecting pieces, each steel connecting piece comprises a horizontal steel frame and connecting heads which are symmetrically fixed at two ends of the horizontal steel frame, each horizontal steel frame is poured in the concrete base body, two ends of each horizontal steel frame extend out of the concrete base body, each connecting head comprises a positioning plate which is vertically fixed at the end part of the horizontal steel frame, a connecting hole is formed in each positioning plate, the axis of each connecting hole is horizontally arranged, a supporting seat is fixed at the bottom of each positioning plate, the bottom surface of each supporting seat is a horizontal surface, and the outer side surfaces of the positioning plates and the outer side surfaces of the supporting seats are vertical surfaces and are in the same plane; the positioning plates of the adjacent raft single plates are abutted, and the bolts penetrate through the connecting holes of the two positioning plates simultaneously to be connected with the nuts.
Firstly, the tower body mounting base is positioned on the innermost raft single plate, so that the structure is stable; the valve single plates are simple and quick to manufacture, the horizontal steel frames are quickly positioned by the aid of the supporting seats, the steel connecting pieces of all the raft single plates of the raft foundation of the communication tower are arrayed at one time, the bolts penetrate through the connecting holes in the positioning plates of two adjacent steel connecting pieces to be connected with the nuts, and then the templates are installed for pouring; because the bolt and the nut are adopted for connection before casting, the bolt and the nut can be detached after casting is finished, the raft single plates are convenient to transport, and when the raft single plates reach a destination, accurate connection before subsequent raft single plates is realized through the bolt and the nut.
Furthermore, a positioning bulge is fixed on the outer side surface of the supporting seat of one connector, a positioning groove is fixed on the outer side surface of the supporting seat of the other connector, and the positioning groove and the positioning bulge are consistent in shape and size and are positioned at the same horizontal height.
Through setting up location arch and constant head tank, realize the high-speed joint of supporting seat, guarantee that the bottom surface of supporting seat all is in on same horizontal plane.
Furthermore, a limiting groove is formed below the positioning protrusion, a limiting protrusion is fixed below the positioning groove, and the limiting groove and the limiting protrusion are identical in shape and size and are located at the same horizontal height.
Furthermore, the horizontal steel frame comprises a vertically arranged and horizontally extending steel column, vertical ribs extending vertically are fixed on two side faces of the steel column, and the vertical ribs are arranged in an array mode along the horizontal direction of the steel column.
The arrangement of the vertical ribs mainly improves the pressure resistance.
Furthermore, a horizontal extending transverse rib is fixed on the part of the steel column extending out of the concrete base body.
The transverse ribs mainly promote the horizontal tensile capacity.
Furthermore, the upper side and the lower side of the steel column extending out of the concrete base body extend to form fin blocks.
The fin piece promotes the joint strength of connector department.
Furthermore, a plurality of small holes are arranged in the steel column along the horizontal direction.
The internal stress of the steel column during production is eliminated, and meanwhile, concrete can enter conveniently.
Furthermore, a reinforcing plate is fixed below the raft single plate, a plurality of through holes which are vertically communicated are formed in the raft single plate, a butt joint hole opposite to the through holes is formed in the reinforcing plate, a vertically arranged connecting sleeve is pre-buried in the butt joint hole, threads are formed in the inner wall of the connecting sleeve, a screw rod penetrates through the through hole and is in threaded connection with the connecting sleeve, the outer diameter of the screw rod is smaller than the diameter of the through hole, a pulp inlet hole is formed in the upper end face of the screw rod in the vertical direction, and a pulp outlet hole connected with the pulp inlet hole is formed in the side wall of the screw rod.
So the position accuracy requirement of butt joint hole and perforating hole reduces, as long as pass the perforating hole can with butt joint jogged joint can, carry out the grout through advancing the thick liquid hole to make the screw rod fixed, through screw rod and thick liquids combined action, realize the fixed of gusset plate and raft veneer.
Furthermore, a connecting groove for connecting two adjacent butt-joint holes is formed in the surface of the reinforcing plate abutted to the raft single plate.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses a convenient quick butt joint, and the butt joint is accurate, and raft veneer preparation is quick.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
fig. 2 is a sectional view showing the connection of the raft single plates and the reinforcing plates;
FIG. 3 is a schematic structural view of a steel connection;
fig. 4 is an enlarged view of a portion a of fig. 1.
Reference numerals: 1. raft single plates; 11. a concrete matrix; 12. a steel connector; 2. a tower body mounting base; 3. a horizontal steel frame; 31. a steel column; 32. a small hole; 33. erecting ribs; 34. a transverse rib; 35. a fin block; 4. a connector; 41. positioning a plate; 411. connecting holes; 42. a supporting seat; 43. positioning the projection; 44. positioning a groove; 45. a limiting groove; 46. a limiting bulge; 5. a reinforcing plate; 51. a through hole; 52. a butt joint hole; 53. connecting grooves; 6. a connecting sleeve; 7. a screw; 71. a slurry inlet hole; 72. a slurry outlet; 81. a bolt; 82. and a nut.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
A raft foundation of a communication tower is shown in figures 1-4 and comprises odd raft single plates 1 which are horizontally arranged, and the number of the raft single plates 1 is generally three. And pouring a tower body installation base 2 on the valve single plate at the middle, wherein the raft single plate 1 comprises a concrete matrix 11 and a steel connecting piece 12.
The steel connecting piece 12 comprises a horizontal steel frame 3 and connectors 4 symmetrically fixed at two ends of the horizontal steel frame 3, and the horizontal steel frame 3 is made of acid-resistant steel, so that the corrosion resistance is good, and the service life is long. The horizontal steel frame 3 is poured in the concrete matrix 11 and two ends of the horizontal steel frame extend out of the concrete matrix 11. The horizontal steel frame 3 comprises a vertically arranged and horizontally extending steel column 31, and a plurality of small holes 32 are arranged on the steel column 31 along the horizontal direction. The two side surfaces of the steel column 31 are fixed with vertical extending vertical ribs 33, the vertical ribs 33 are arranged in an array along the horizontal direction of the steel column 31, and the part of the steel column 31 extending out of the concrete matrix 11 is fixed with horizontal extending transverse ribs 34. The upper and lower sides of the steel column 31 extending out of the concrete matrix 11 extend to form fin blocks 35.
The connector 4 comprises a positioning plate 41 which is fixed at the end of the horizontal steel frame 3 and is vertically arranged, a connecting hole 411 is formed in the positioning plate 41, the axis of the connecting hole 411 is horizontally arranged, a supporting seat 42 is fixed at the bottom of the positioning plate 41, the bottom surface of the supporting seat 42 is a horizontal plane, and the outer side surface of the positioning plate 41 and the outer side surface of the supporting seat 42 are vertical surfaces and are in the same plane; the positioning plates 41 of the adjacent raft single plates 1 are abutted, and the bolts 81 simultaneously penetrate through the connecting holes 411 of the two positioning plates 41 to be connected with the nuts 82.
A positioning protrusion 43 is fixed on the outer side surface of the support seat 42 of one of the connectors 4, a positioning groove 44 is fixed on the outer side surface of the support seat 42 of the other connector 4, and the positioning groove 44 and the positioning protrusion 43 have the same shape and size and are positioned at the same horizontal height.
A limiting groove 45 is formed below the positioning protrusion 43, a limiting protrusion 46 is fixed below the positioning groove 44, and the limiting groove 45 and the limiting protrusion 46 are identical in shape and size and are located at the same horizontal height.
A reinforcing plate 5 is fixed below the raft veneer 1, a plurality of through holes 51 which vertically penetrate through the raft veneer 1 are formed in the raft veneer 1, a butt joint hole 52 opposite to the through holes 51 is formed in the reinforcing plate 5, a vertically arranged connecting sleeve 6 is pre-embedded in the butt joint hole 52, threads are formed in the inner wall of the connecting sleeve 6, a screw 7 penetrates through the through holes 51 to be in threaded connection with the connecting sleeve 6, the outer diameter of the screw 7 is smaller than the diameter of the through holes 51, a pulp inlet hole 71 is formed in the upper end face of at least one screw 7 in the vertical direction, and a pulp outlet hole 72 connected with the pulp inlet hole 71 is formed in the side wall of the screw 7. The surface of the reinforcing plate 5 abutting against the raft single plate 1 is provided with a connecting groove 53 connecting two adjacent butt holes 52.
Claims (9)
1. The utility model provides a communication tower raft foundation which characterized in that: the tower body mounting structure comprises odd raft single plates (1) horizontally arranged, a tower body mounting base (2) is poured on the valve single plate at the middle, the raft single plates (1) comprise a concrete base body (11) and steel connecting pieces (12), the steel connecting pieces (12) comprise horizontal steel frames (3) and connectors (4) symmetrically fixed at two ends of each horizontal steel frame (3), each horizontal steel frame (3) is poured in the concrete base body (11) and two ends of each horizontal steel frame extend out of the concrete base body (11), each connector (4) comprises a positioning plate (41) vertically arranged at the end of each horizontal steel frame (3), a connecting hole (411) is formed in each positioning plate (41), the axis of each connecting hole (411) is horizontally arranged, a supporting seat (42) is fixed at the bottom of each positioning plate (41), the bottom surface of each supporting seat (42) is a horizontal plane, and the outer side surface of each positioning plate (41) is provided with a horizontal plane, The outer side surfaces of the supporting seats (42) are vertical surfaces and are positioned in the same plane; the positioning plates (41) of the adjacent raft single plates (1) are abutted, and the bolts (81) penetrate through the connecting holes (411) of the two positioning plates (41) simultaneously to be connected with the nuts (82).
2. The communication tower raft foundation of claim 1, wherein: a positioning bulge (43) is fixed on the outer side surface of the supporting seat (42) of one connector (4), a positioning groove (44) is fixed on the outer side surface of the supporting seat (42) of the other connector (4), and the positioning groove (44) and the positioning bulge (43) are identical in shape and size and are positioned on the same horizontal height.
3. The communication tower raft foundation of claim 2, wherein: limiting grooves (45) are formed in the lower portions of the positioning protrusions (43), limiting protrusions (46) are fixed to the lower portions of the positioning grooves (44), and the limiting grooves (45) and the limiting protrusions (46) are identical in shape and size and are located on the same horizontal height.
4. The communication tower raft foundation of claim 1, wherein: the horizontal steel frame (3) comprises a vertically arranged and horizontally extending steel column (31), vertical ribs (33) extending vertically are fixed on two side faces of the steel column (31), and the vertical ribs (33) are arrayed along the horizontal direction of the steel column (31).
5. The communication tower raft foundation of claim 4, wherein: and a horizontally extending transverse rib (34) is fixed on the part of the steel column (31) extending out of the concrete matrix (11).
6. The communication tower raft foundation of claim 4, wherein: the upper side and the lower side of the steel column (31) extending out of the concrete matrix (11) extend to form fin blocks (35).
7. The communication tower raft foundation of claim 4, wherein: and a plurality of small holes (32) are arranged on the steel column (31) along the horizontal direction.
8. The communication tower raft foundation of claim 1, wherein: the raft is characterized in that a reinforcing plate (5) is fixed below the raft veneer (1), a plurality of through holes (51) which are vertically communicated are formed in the raft veneer (1), butt joint holes (52) opposite to the through holes (51) are formed in the reinforcing plate (5), vertically arranged connecting sleeves (6) are embedded in the butt joint holes (52), threads are formed in the inner walls of the connecting sleeves (6), a screw rod (7) penetrates through the through holes (51) to be connected with the connecting sleeves (6) in a threaded mode, the outer diameter of the screw rod (7) is smaller than the diameter of the through holes (51), a pulp inlet hole (71) is formed in the upper end face of the screw rod (7) in the vertical direction, and a pulp outlet hole (72) connected with the pulp inlet hole (71) is formed in the side wall of.
9. The communication tower raft foundation of claim 8, wherein: and the surface of the reinforcing plate (5) abutted against the raft veneer (1) is provided with a connecting groove (53) for connecting two adjacent butt-joint holes (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848713.0U CN213926343U (en) | 2020-08-28 | 2020-08-28 | Raft foundation of communication tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848713.0U CN213926343U (en) | 2020-08-28 | 2020-08-28 | Raft foundation of communication tower |
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| Publication Number | Publication Date |
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| CN213926343U true CN213926343U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021848713.0U Active CN213926343U (en) | 2020-08-28 | 2020-08-28 | Raft foundation of communication tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559340A (en) * | 2022-10-28 | 2023-01-03 | 国网福建省电力有限公司经济技术研究院 | Steel-concrete combined assembly type main transformer foundation and construction method thereof |
-
2020
- 2020-08-28 CN CN202021848713.0U patent/CN213926343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559340A (en) * | 2022-10-28 | 2023-01-03 | 国网福建省电力有限公司经济技术研究院 | Steel-concrete combined assembly type main transformer foundation and construction method thereof |
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