CN111411573B - Height-adjustable's pin-connected panel pontoon bridge cross-span steel tower - Google Patents
Height-adjustable's pin-connected panel pontoon bridge cross-span steel tower Download PDFInfo
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- CN111411573B CN111411573B CN201911413213.6A CN201911413213A CN111411573B CN 111411573 B CN111411573 B CN 111411573B CN 201911413213 A CN201911413213 A CN 201911413213A CN 111411573 B CN111411573 B CN 111411573B
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- tower
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- truss
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a height-adjustable assembled floating bridge cross-span steel tower, which comprises: the tower comprises a foundation plate, a hinge joint, a first mounting frame, a truss sheet, a connecting sheet, a tower cap and a second mounting frame; a bearing mortar is arranged on the foundation plate; the lower surface of the hinge is provided with a ball head; the foundation plate is fixed on the concrete foundation; two first mounting frames which are arranged in parallel along the vertical direction are respectively arranged on two opposite sides of the foundation plate, and two second mounting frames which are arranged in parallel along the vertical direction are respectively arranged on the other two opposite sides of the foundation plate; four corners of the hinge are respectively connected with the two first mounting frames, and a ball head of the hinge is matched with a ball socket of a bearing socket of the foundation plate; the bottoms of the two truss pieces which are oppositely arranged in parallel along the vertical direction are respectively arranged at two opposite sides of the hinge joint; more than two connecting sheets are arranged along the vertical direction and fixed between two parallel and opposite truss sheets; the tower cap is arranged on the tops of the two truss sheets which are positioned at the highest along the horizontal direction; the tower can be flexibly installed and disassembled and has adjustable height.
Description
Technical Field
The invention belongs to the technical field, and particularly relates to a height-adjustable assembled floating bridge cross-span tower.
Background
When high flow speed and riverbed conditions are unfavorable for anchoring (such as river reach such as Yalu Tibetan Bujiang and middle and upper reaches of yellow river), horizontal transverse fixing of the floating bridge needs a transverse span line fixing mode. In the traditional mode, an integral non-detachable tower needs to be erected at a fixed place, and a main cable is tensioned by traction of an engineering vehicle. The transverse span tower has the following defects:
1. the traditional integral tower is used as a part of a floating bridge cross-span steel line device and is directly fixed on a pouring foundation, so that the integral tower cannot be detached and can be easily reused. Therefore, the floating bridge can only be erected at the fixed ferry opening for constructing the integral tower, so that the application range of the floating bridge is greatly limited. Meanwhile, the integral tower lacks maneuverability and is poor in concealment, and is easy to expose in wartime and hit by enemy fire.
2. When the integral tower is erected, the traction is carried out by means of engineering machinery, and the cost is high.
3. Since the integral tower is not detachable, the height of the tower is fixed after the tower is erected. The tower height adjusting requirement caused by water level change cannot be met, so that the adaptability to the environment is poor.
Disclosure of Invention
In view of the above, the invention provides a height-adjustable assembled pontoon bridge cross-span tower which can be flexibly installed and disassembled, has an adjustable height, and can adapt to the changes of the flow velocity, the river width and the load of a river and the requirements of erecting pontoons at different places, thereby ensuring that the pontoon bridges on the cross-span tower can be well horizontally and transversely fixed.
The invention is realized by the following technical scheme:
a height-adjustable's pin-connected panel pontoon bridge horizontal span line pylon includes: the tower comprises a foundation plate, a hinge joint, a first mounting frame, a truss sheet, a connecting sheet, a tower cap and a second mounting frame;
the foundation plate includes: the device comprises a rectangular plane frame, a mounting plate and a bearing mortar; the mounting plate is mounted on the rectangular plane frame, the bearing socket is fixed on the upper surface of the mounting plate and is positioned in the center of the rectangular plane frame, and a ball socket opening of the bearing socket is upward;
the articulated device is a field-shaped plane frame, and a downward ball head is arranged in the center of the lower surface of the field-shaped plane frame; four fourth connecting lugs are respectively machined at four corners of the hinge;
the first mounting frame, the second mounting frame, the truss sheet and the connecting sheet are all rectangular plane frames; wherein, the two opposite sides of the second mounting rack are respectively processed with a sliding chute along the length direction of the side where the second mounting rack is located;
the tower cap is a field-shaped plane frame, a cross lacing line pulley for passing through a cross lacing line is installed in the center of the upper surface of the field-shaped plane frame, and stabilizing cable seats are respectively installed at four corners of the upper surface;
the overall connection relationship is as follows: the foundation plate is fixedly connected with foundation bolts on a concrete foundation; two first mounting frames which are arranged in parallel along the vertical direction are respectively arranged on two opposite sides of the foundation plate, and two second mounting frames which are arranged in parallel along the vertical direction are respectively arranged on the other two opposite sides of the foundation plate and are respectively connected with the two first mounting frames;
the four fourth connecting lugs of the hinge are in sliding fit with the four sliding grooves of the two second mounting frames through sliding shafts respectively; the ball head of the hinge joint is matched with the ball socket of the bearing socket of the foundation plate to form a ball-hinge pair;
the bottoms of the two truss pieces which are oppositely arranged in parallel along the vertical direction are respectively arranged on two opposite sides of the hinge joint, and the truss pieces and the first mounting frame are positioned on the same side; the number of the truss pieces is increased along the vertical direction, and the tower frames with different heights can be assembled; more than two connecting sheets are arranged along the vertical direction and fixed between two parallel and opposite truss sheets;
the tower cap is installed on the tops of the two truss pieces which are located at the highest position in the horizontal direction, one ends of the four stabilizing cables are connected with the four stabilizing cable seats of the tower cap in a one-to-one correspondence mode, and the other ends of the four stabilizing cables are tied to anchor seats of a concrete foundation.
Further, the foundation plate further comprises a T-shaped rod;
more than two T-shaped rods form a cross structure and are arranged in the rectangular plane frame; and the outer part of the bearing mortar is fixedly connected with the rectangular plane frame through four T-shaped rods respectively.
Furthermore, the rectangular plane frame of the foundation plate is composed of four channel steels.
Furthermore, the rectangular plane frame of the truss sheet is composed of two parallel channel steels and more than two parallel angle steels positioned between the two channel steels, and more than two parallel diagonal rods are installed in the rectangular plane frame.
Furthermore, the rectangular plane frame of the connecting piece is composed of four angle steels, and two angle steels arranged in an X shape are installed in the rectangular plane frame.
Further, the cable stabilizing seat of the tower cap comprises two side plates and a connecting rod arranged between the two side plates.
Further, the connection between the foundation plate and the first mounting frame and the second mounting frame, the connection between the hinge joint and the first mounting frame, the connection between the hinge joint and the truss piece, the connection between two adjacent truss pieces and the connection between the truss piece and the tower cap all adopt the connection mode of single lug and double lug pin joint.
Has the advantages that: the tower frame with the assembled structure can be quickly erected, retracted and stored, and can be easily assembled again for use; meanwhile, the height of the tower is adjusted by increasing or decreasing the number of the truss sheets and the connecting sheets so as to adapt to the change of the water level, and the tower has better environmental adaptability; and all parts forming the tower meet the requirements of transportation size and weight, realize standardization and have the capability of manual erection and withdrawal.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic structural view of a base plate;
FIG. 4 is a schematic view of the construction of the articulator;
FIG. 5 is a schematic structural view of the first mounting frame;
FIG. 6 is a schematic structural view of the second mount;
FIG. 7 is a schematic view of a truss sheet construction;
FIG. 8 is a schematic structural view of a connecting sheet;
FIG. 9 is a schematic structural view of a tower cap;
FIG. 10 is a state diagram of the tower to be assembled;
FIG. 11 is a diagram of the tower to be turned over and erected;
the connecting device comprises a base plate 1, a hinge device 2, a first mounting frame 3, a truss piece 4, a connecting piece 5, a tower cap 6, a second mounting frame 7, a bearing socket 8, a ball head 9, a female head 10, a male head 11, a stabilizing cable seat 12, a cross rope pulley 13, a first connecting lug A14, a second connecting lug A15, a third connecting lug 16, a fourth connecting lug 17, a fifth connecting lug A18, a fifth connecting lug B19, a first connecting lug B20, a sixth connecting lug A21, a second connecting lug B22, a sixth connecting lug B23, a sliding chute 24 and a seventh connecting lug 25.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
This embodiment provides a height-adjustable's pin-connected panel pontoon cross section class pylon, refers to fig. 1-2, includes: the tower comprises a foundation plate 1, a hinge 2, a first mounting frame 3, a truss sheet 4, a connecting sheet 5, a tower cap 6 and a second mounting frame 7;
referring to fig. 3, the foundation plate 1 is a foundation of a tower, and includes: the rectangular plane frame, the T-shaped rod, the mounting plate and the bearing mortar 8; the rectangular plane frame consists of four channel steels, and is arranged along the horizontal direction when the tower is assembled; more than two T-shaped rods form a cross structure and are arranged in the rectangular plane frame to form a field-shaped structure so as to enhance the strength of the rectangular plane frame; the mounting plate is mounted on the field-shaped structure, so that the stability of the rectangular plane frame is further enhanced; the socket 8 is provided with a ball socket; the bearing mortar 8 is fixed on the upper surface of the mounting plate and is positioned in the center of the rectangular plane frame, a ball socket opening of the bearing mortar 8 is upward, and the outside of the bearing mortar 8 is fixedly connected with the rectangular plane frame through four T-shaped rods respectively so as to enhance the stability of the bearing mortar 8; four corners of the upper surface of the rectangular plane frame are respectively provided with a first connecting lug A14 used for being connected with the first mounting rack 3 and a second connecting lug A15 used for being connected with the second mounting rack 7; the first connecting lug A14 and the second connecting lug A15 are both vertically arranged upwards;
referring to fig. 4, the hinge 2 is a field-shaped planar frame, when the tower is assembled, the field-shaped planar frame is arranged along the horizontal direction, a downward ball head 9 is installed at the center of the lower surface of the field-shaped planar frame, and four corners of the upper surface of the field-shaped planar frame are respectively provided with a third engaging lug 16 used for being connected with the truss piece 4, a fourth engaging lug 17 in sliding fit with the second mounting rack 7, and a fifth engaging lug a18 connected with the first mounting rack 3; the third connecting lug A16 and the fifth connecting lug A18 are both vertically arranged upwards, and the fourth connecting lug A17 is horizontally arranged outwards;
referring to fig. 5, the first mounting frame 3 is a planar mounting frame which is composed of two mounting beams arranged in parallel up and down and a connecting block for connecting the two mounting beams into a whole, when the tower is assembled, the planar mounting frame is arranged along the vertical direction, and the upper side surface of the mounting beam above the planar mounting frame is provided with a fifth engaging lug B19 for connecting with the hinge joint 2; the lower side surface of the lower mounting beam is provided with a first connecting lug B20 used for being connected with the foundation plate 1; the outer side surfaces of the two connecting blocks are respectively provided with a sixth connecting lug A21 used for being connected with the second mounting rack 7; the fifth connecting lug B19 is vertically arranged upwards, the first connecting lug B20 is vertically arranged downwards, and the sixth connecting lug A21 is horizontally arranged outwards;
referring to fig. 6, the second mounting frame 7 is a rectangular planar frame, and when the tower is assembled, the rectangular planar frame is arranged along the vertical direction; the rectangular plane frame is provided with a V-shaped reinforcing beam to increase the strength of the rectangular plane frame; a second connecting lug B22 used for being connected with the foundation plate 1 is arranged on the lower side surface of the rectangular plane frame, a sixth connecting lug B23 used for being connected with the first mounting rack 3 is respectively arranged on two opposite side rods of the rectangular plane frame along the vertical direction, and sliding grooves 24 along the vertical direction are processed on the two side rods and are used for being in sliding fit with a fourth connecting lug 17 of the hinge 2; the second connecting lug B22 is vertically arranged downwards, and the sixth connecting lug B23 is horizontally arranged outwards;
referring to fig. 7, the truss sheet 4 is a rectangular planar frame, the rectangular planar frame is composed of two parallel channel steels and more than two parallel angle steels located between the two channel steels, and more than two parallel diagonal rods are installed in the rectangular planar frame and used for reinforcing the strength of the truss sheet 4; a male head 11 and a female head 10 are respectively arranged at two ends of each channel steel;
referring to fig. 8, the connecting piece 5 is a rectangular planar frame, the rectangular planar frame is composed of four angle steels, and two angle steels arranged in an X shape are installed in the rectangular planar frame to enhance the strength of the connecting piece 5;
referring to fig. 9, the tower cap 6 is a field-shaped planar frame, when the tower is assembled, the field-shaped planar frame is arranged along the horizontal direction, a cross-head pulley 13 is installed at the center of the upper surface of the field-shaped planar frame, stabilizing cable seats 12 are respectively installed at four corners of the upper surface, and each stabilizing cable seat 12 comprises two side plates and a connecting rod installed between the two side plates; the four corners of the lower surface of the square plane frame are provided with seventh connecting lugs 25 for connecting with the truss pieces 4; the seventh engaging lug 25 is arranged vertically downward;
the connecting ears, the male heads 11 and the female heads 10 are both in a single-ear or double-ear structure;
the overall connection relationship is as follows: the foundation plate 1 is fixedly connected with foundation bolts on a concrete foundation; two first mounting frames 3 arranged in parallel along the vertical direction are respectively mounted on two opposite sides of the foundation plate 1, namely, the first connecting lug B20 of the first mounting frame 3 is connected with the first connecting lug A14 of the foundation plate 1 through a pin; two second mounting frames 7 which are arranged in parallel along the vertical direction are respectively arranged on the other two opposite sides of the foundation plate 1 and are respectively connected with the two first mounting frames 3; namely, the second connecting lug B22 of the second mounting bracket 7 is connected with the second connecting lug A15 of the foundation plate 1 through a pin shaft, and the sixth connecting lug B23 of the second mounting bracket 7 is connected with the sixth connecting lug A21 of the first mounting bracket 3 through a pin shaft;
the articulator 2 is horizontally arranged in a rectangular cavity formed by the two first mounting frames 3 and the two second mounting frames 7, is respectively connected with the two first mounting frames 3, and is in sliding fit with the two second mounting frames 7; namely, the fifth engaging lug a18 of the articulator 2 is hinged with the fifth engaging lug B19 of the first mounting bracket 3 through a pin shaft, the fourth engaging lug 17 of the articulator 2 is installed in the sliding slot 24 of the second mounting bracket 7 through a sliding shaft, the sliding shaft can slide in the sliding slot 24, and when the sliding shaft slides in the sliding slot 24, the bending deformation of the tower can be adapted; the ball head 9 of the articulator 2 is matched with the ball socket of the bearing socket 8 of the foundation plate 1 to form a ball-and-socket pair so as to adapt to the whole bending deflection deformation of the tower when the cross-open steel line is supported, so that the foundation plate 1 is not subjected to the bending moment when the tower is bent, and the stability of the foundation plate 1 is improved;
the bottoms of two truss pieces 4 which are arranged in parallel and oppositely along the vertical direction are respectively arranged at two opposite sides of the hinge joint 2, the truss pieces 4 and the first mounting frame 3 are positioned at the same side, and channel steel of the truss pieces 4 is arranged along the vertical direction; namely, the female head 10 of the truss sheet 4 is connected with the third connecting lug 16 of the hinge joint 2 through a pin shaft; the number of the truss pieces 4 is increased along the vertical direction, and the towers with different heights can be assembled; two truss pieces 4 which are oppositely arranged are taken as one section of the tower, and the male head 11 of the truss piece 4 at the lower section is connected with the female head 10 of the truss piece 4 at the higher section; the two truss pieces 4 are connected in a reinforcing manner through the connecting pieces 5, namely more than two connecting pieces 5 are arranged in the vertical direction and fixed between the two parallel and opposite truss pieces 4 for reinforcing the rigidity of the truss pieces 4 and further reinforcing the rigidity of the whole tower;
the tower cap 6 is horizontally arranged on the tops of the two truss pieces 4 at the highest section, namely, the seventh connecting lug 25 of the tower cap 6 is in pin joint with the male head 11 of the truss piece 4 through a pin shaft; one ends of the four stabilizing cables are respectively connected with the connecting rods of the four stabilizing cable seats 12 of the tower cap 6 in a one-to-one correspondence manner, and the other ends of the four stabilizing cables are tied on anchor seats of a concrete foundation and used for reinforcing the tower;
when the anchor device works, the two towers are used in pairs and are respectively positioned at the two banks of a river, the transverse lacing line stretches across the river, and the two ends of the transverse lacing line are respectively tied on the anchor device at the two banks after passing through the transverse lacing line pulleys 13 on the two towers.
Referring to the attached drawing 10, when the tower is assembled, firstly, the foundation plate 1 is fixed, then the hinge joint 2, the first mounting frame 3, the second mounting frame 7, the truss piece 4, the connecting piece 5 and the tower cap 6 are assembled in a dumping mode on a concrete foundation, finally, the tower (except the foundation plate 1) is turned over and erected by means of an external power source or manpower, referring to the attached drawing 11, after turning over, the first mounting frame 3 and the second mounting frame 7 are respectively connected with the foundation plate 1, and a ball 9 of the hinge joint 2 is matched with a ball socket of a bearing socket 8 of the foundation plate 1; and meanwhile, the tower is fixedly connected with an anchor seat of the concrete foundation by a stabilizing cable. By increasing the number of truss sheets 4 and connecting sheets 5, towers of different heights can be assembled.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a height-adjustable's pin-connected panel pontoon bridge horizontal span line pylon which characterized in that includes: the tower comprises a foundation plate (1), a hinge (2), a first mounting rack (3), a truss sheet (4), a connecting sheet (5), a tower cap (6) and a second mounting rack (7);
the foundation plate (1) comprises: the device comprises a rectangular plane frame, a mounting plate and a bearing mortar (8); the mounting plate is mounted on the rectangular plane frame, the socket (8) is fixed on the upper surface of the mounting plate and is positioned in the center of the rectangular plane frame, and the opening of a ball socket of the socket (8) is upward;
the articulated device (2) is a field-shaped plane frame, and a downward ball head (9) is arranged in the center of the lower surface of the field-shaped plane frame; four fourth connecting lugs (17) are respectively machined at four corners of the hinge (2);
the first mounting rack (3), the second mounting rack (7), the truss sheet (4) and the connecting sheet (5) are all rectangular plane frames; wherein, two opposite sides of the second mounting rack (7) are respectively processed with a sliding chute (24) along the length direction of the side where the sliding chute is located;
the tower cap (6) is a field-shaped plane frame, a cross rope pulley (13) for passing through a cross lacing line is installed in the center of the upper surface of the field-shaped plane frame, and stabilizing cable seats (12) are installed at four corners of the upper surface respectively; the stabilizing cable seat (12) comprises two side plates and a connecting rod arranged between the two side plates;
the overall connection relationship is as follows: the foundation plate (1) is fixedly connected with foundation bolts on a concrete foundation; two first mounting frames (3) which are arranged in parallel along the vertical direction are respectively mounted on two opposite sides of the foundation plate (1), and two second mounting frames (7) which are arranged in parallel along the vertical direction are respectively mounted on the other two opposite sides of the foundation plate (1) and are respectively connected with the two first mounting frames (3);
the hinge joint (2) is horizontally arranged in a rectangular cavity formed by the two first mounting frames (3) and the two second mounting frames (7), four corners of the hinge joint (2) are respectively connected with the two first mounting frames (3), and four fourth connecting lugs (17) of the hinge joint (2) are respectively in sliding fit with four sliding grooves (24) of the two second mounting frames (7) through sliding shafts; a ball head (9) of the hinge joint (2) is matched with a ball socket of a bearing socket (8) of the foundation plate (1) to form a ball-hinge pair;
the bottoms of two truss sheets (4) which are oppositely arranged in parallel along the vertical direction are respectively arranged at two opposite sides of the hinge joint (2), and the truss sheets (4) and the first mounting frame (3) are positioned at the same side; the number of the truss pieces (4) is increased along the vertical direction, and the towers with different heights can be assembled; more than two connecting sheets (5) are arranged along the vertical direction and fixed between two parallel and opposite truss sheets (4);
the tower cap (6) is installed at the tops of the two truss pieces (4) which are positioned at the highest position along the horizontal direction, one ends of the four stabilizing cables are respectively connected with the four stabilizing cable seats (12) of the tower cap (6) in a one-to-one correspondence mode, and the other ends of the four stabilizing cables are tied to anchor seats of a concrete foundation.
2. The assembled pontoon cross-span steel tower with adjustable height as claimed in claim 1, wherein the foundation plate (1) further comprises T-bars;
more than two T-shaped rods form a cross structure and are arranged in the rectangular plane frame; and the outer part of the bearing mortar (8) is fixedly connected with the rectangular plane frame through four T-shaped rods respectively.
3. The assembled pontoon cross-span tower with adjustable height as claimed in claim 1, wherein the rectangular planar framework of the foundation plate (1) is composed of four channel steel.
4. The assembled pontoon cross-span steel tower with adjustable height as claimed in claim 1, wherein the rectangular plane frame of the truss sheet (4) is composed of two parallel channel steels and more than two parallel angle steels between the two channel steels, and more than two parallel diagonal rods are installed in the rectangular plane frame.
5. The assembled pontoon cross-span steel tower with adjustable height as claimed in claim 1, wherein the rectangular plane frame of the connecting piece (5) consists of four angle steels, and two angle steels arranged in an X shape are installed in the rectangular plane frame.
6. The assembled pontoon cross-span tower with adjustable height according to claim 1, wherein the connection between the foundation plate (1) and the first and second mounting frames (3, 7), the connection between the hinge joint (2) and the first mounting frame (3), the connection between the hinge joint (2) and the truss sheets (4), the connection between two adjacent truss sheets (4), and the connection between the truss sheets (4) and the tower cap (6) are all in a single-lug and double-lug pin joint connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911413213.6A CN111411573B (en) | 2019-12-31 | 2019-12-31 | Height-adjustable's pin-connected panel pontoon bridge cross-span steel tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911413213.6A CN111411573B (en) | 2019-12-31 | 2019-12-31 | Height-adjustable's pin-connected panel pontoon bridge cross-span steel tower |
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| CN111411573A CN111411573A (en) | 2020-07-14 |
| CN111411573B true CN111411573B (en) | 2021-11-19 |
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| CN201911413213.6A Active CN111411573B (en) | 2019-12-31 | 2019-12-31 | Height-adjustable's pin-connected panel pontoon bridge cross-span steel tower |
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| Publication number | Publication date |
|---|---|
| CN111411573A (en) | 2020-07-14 |
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