CN219342851U - Bridge steel box girder installation positioning device - Google Patents
Bridge steel box girder installation positioning device Download PDFInfo
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- CN219342851U CN219342851U CN202223025019.0U CN202223025019U CN219342851U CN 219342851 U CN219342851 U CN 219342851U CN 202223025019 U CN202223025019 U CN 202223025019U CN 219342851 U CN219342851 U CN 219342851U
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- steel box
- bottom plate
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- box girder
- positioning device
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 238000009434 installation Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of installation and positioning of steel box girders, and particularly discloses a bridge steel box girder installation and positioning device which comprises a first bottom plate and a second bottom plate, wherein an electric winch is arranged on the upper surface of the second bottom plate, a mounting ring is arranged at one end, close to the electric winch, of the upper surface of the first bottom plate, and a plurality of tension and pressure sensors are arranged on the outer ring surface of the mounting ring; the numerical value of which tension pressure sensor is increased in the utility model can control the external crane to move the steel box girder to the position until the steel box girder which is lifted and the installed steel box girder are in the opposite state, thereby completing the positioning treatment when the steel box girder is lifted.
Description
Technical Field
The utility model relates to the technical field of installation and positioning of steel box girders, in particular to an installation and positioning device for a bridge steel box girder.
Background
The steel box girder has the same cross section as that of a common box and is generally composed of a cover plate, a web plate, a bottom plate and a partition plate, has high torsional rigidity of a closed thin-wall cross section, has good dynamic characteristics and relatively small shrinkage deformation value, and is widely used in a large-span structure. However, as the span and the weight of the steel box girder are larger, the field positioning and mounting difficulty is increased, the conventional mounting method is mainly to directly hoist by adopting a hoisting machine, and in order to improve the hoisting precision, a positioning device is generally arranged on the steel box girder, so that the steel box girder can be aligned rapidly during splicing.
The application number in the prior art is: 202122022494.1 laser positioning device for steel bridge sectional hoisting night construction is used for hoisting and positioning sectional steel box girders of steel structure bridges, and comprises laser transmitters arranged on the installed steel box girders and measuring plates with scales arranged on the steel box girders to be installed.
When the technology is used, although the effect of providing a positioning function at night is achieved, the effect is poor when the technology is used in daytime, and eyes of surrounding constructors are easily damaged when the technology is used by laser; therefore, in order to solve the technical problems, a bridge steel box girder installation positioning device is provided.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a bridge steel box girder installation positioning device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a bridge steel case roof beam installation positioner, includes first bottom plate and second bottom plate, the last surface mounting of second bottom plate has electric capstan, and the collar is installed to the one end that first bottom plate upper surface is close to electric capstan, and a plurality of pressure sensor that draw are installed to the outer annular face of collar, and draw pressure sensor's detection end to extend to the inside of collar, and the other end of first bottom plate upper surface is equipped with and draws pressure sensor matched with lithium cell module and wireless transmitter, and the middle part of first bottom plate upper surface is connected with the haulage rope through the connecting plate, and the other end of haulage rope passes the collar and connects on electric capstan's receipts spool.
Preferably, the mounting frame is fixed with jointly to the both sides of collar, and the lower extreme of mounting frame is fixed at the upper surface of first bottom plate, and draws pressure sensor to extend to the inboard detection end of collar and all install and bear the piece, and adjacent bear laminating each other between the piece.
Preferably, a fixing frame is arranged at one end, far away from the electric winch, of the upper surface of the second bottom plate, a guide cylinder is fixed at the upper end of the fixing frame, and a rope body of the traction rope is arranged in the guide cylinder in a penetrating mode.
Preferably, the bearing blocks and the inner sides of the guide cylinders are provided with a plurality of mounting grooves, and balls with smooth surfaces are arranged in the mounting grooves.
Preferably, a hard force application rod is arranged on the inner side of the mounting ring, and two ends of the force application rod extend to the outer part of the mounting ring and are respectively connected with the connecting plate and the traction rope.
Preferably, the two ends of the force application rod are provided with rotary connecting rings, and the two rotary connecting rings are respectively and fixedly connected with the traction rope and the connecting plate.
Preferably, a plurality of stabilizing frames are fixed on the outer ring surface of the mounting ring, and the stabilizing frames are sleeved on the outer ring surface of the adjacent tension pressure sensor.
The utility model provides a bridge steel box girder installation positioning device, which has the beneficial effects that:
1: according to the utility model, external workers can know the deviation direction between the hoisted steel box girder and the installed steel box girder through the pressure value change measured by each tension pressure sensor, namely, the value of which tension pressure sensor is larger, so that the external crane can be controlled to move the steel box girder to the position until the final traction rope is positioned in the middle part in the installation ring and is not contacted with each tension pressure sensor, and the hoisted steel box girder and the installed steel box girder are in the state of being in the hoisting state, thereby completing the positioning treatment when the hoisted steel box girder.
2: according to the utility model, the guide cylinder is arranged on the upper surface of the second bottom plate, namely when the electric winch winds the traction rope, the traction rope can be wound on the electric winch after passing through the guide cylinder, so that the phenomenon of irregular winding and easy wire explosion caused by shaking during winding of the traction rope can be avoided, and the detection ends of the tension pressure sensors are all provided with the bearing blocks, a plurality of the bearing blocks form a ring together, and the ring is sleeved on the outer ring surface of the traction rope, namely when the traction rope extrudes the tension pressure sensors, the traction rope needs to extrude the bearing blocks firstly, and the bearing blocks are mutually attached, so that the defect that the traction rope cannot extrude the tension pressure sensors when being positioned between adjacent tension pressure sensors can be avoided; meanwhile, the bearing blocks and the balls in the guide cylinder can reduce the abrasion of the traction rope.
Drawings
FIG. 1 is an isometric view of a bridge steel box girder installation positioning device according to the present utility model;
FIG. 2 is an isometric view of a bridge steel box girder installation positioning device according to the present utility model;
FIG. 3 is a schematic structural view of a bridge steel box girder installation positioning device according to the present utility model;
FIG. 4 is a schematic diagram showing the cooperation of the force applying rod and the bearing block of the bridge steel box girder installation positioning device;
fig. 5 is a schematic diagram of the application rod of the bridge steel box girder installation positioning device.
In the figure: 1. a first base plate; 2. a second base plate; 3. an electric winch; 4. a mounting frame; 5. a mounting ring; 6. a pull pressure sensor; 7. a traction rope; 8. a receiving block; 9. a guide cylinder; 10. a ball; 11. a force application rod; 12. and a stabilizing frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-5, a bridge steel box girder installation positioning device comprises a first bottom plate 1 and a second bottom plate 2, wherein an electric winch 3 is installed on the upper surface of the second bottom plate 2, a mounting ring 5 is installed at one end, close to the electric winch 3, of the upper surface of the first bottom plate 1, a plurality of tension pressure sensors 6 are installed on the outer annular surface of the mounting ring 5, the detection ends of the tension pressure sensors 6 extend to the inside of the mounting ring 5, a lithium battery module matched with the tension pressure sensors 6 and a wireless transmitter are arranged at the other end of the upper surface of the first bottom plate 1, a traction rope 7 is connected to the middle part of the upper surface of the first bottom plate 1 through a connecting plate, the traction rope 7 is made of steel wires with thinner diameters, and the other end of the traction rope 7 penetrates through the mounting ring 5 and is connected to a rolling shaft of the electric winch 3.
As a technical optimization scheme of the utility model, the two sides of the mounting ring 5 are fixedly provided with the mounting frame 4 together, the lower end of the mounting frame 4 is fixed on the upper surface of the first bottom plate 1, and the detection ends of the tension pressure sensor 6 extending to the inner side of the mounting ring 5 are provided with the bearing blocks 8, and the adjacent bearing blocks 8 are mutually attached; the bearing block 8 is arranged, so that the traction rope 7 can better exert force on the tension pressure sensor 6.
As a technical optimization scheme of the utility model, a fixed frame is arranged at one end of the upper surface of the second bottom plate 2 far away from the electric winch 3, a guide cylinder 9 is fixed at the upper end of the fixed frame, and a rope body of the traction rope 7 is arranged in the guide cylinder 9 in a penetrating way; the guiding drum 9 is arranged, so that the winding time of the traction rope 7 is more regular.
As a technical optimization scheme of the utility model, the inner sides of the bearing block 8 and the guide cylinder 9 are provided with a plurality of mounting grooves, and balls 10 with smooth surfaces are arranged in the mounting grooves; the arrangement of the balls 10 can reduce the abrasion of the traction rope 7.
As a technical optimization scheme of the utility model, the inner side of the mounting ring 5 is provided with a hard force application rod 11, and two ends of the force application rod 11 extend to the outside of the mounting ring 5 and are respectively connected with the connecting plate and the traction rope 7; the force application rod 11 is arranged, so that the traction rope 7 can better squeeze the pulling pressure sensor 6.
As a technical optimization scheme of the utility model, two ends of the force application rod 11 are provided with rotary connecting rings, and the two rotary connecting rings are respectively fixedly connected with the traction rope 7 and the connecting plate; the arrangement of the rotary connecting ring is convenient for reducing the abrasion of the traction rope 7.
As a technical optimization scheme of the utility model, a plurality of stabilizing frames 12 are fixed on the outer ring surface of the mounting ring 5, and the stabilizing frames 12 are sleeved on the outer ring surface of the adjacent tension pressure sensor 6; the stability of the tension pressure sensor 6 is conveniently improved due to the arrangement of the stabilizing frame 12.
The use principle and the advantages are that: in the use process of the utility model, personnel install the first bottom plate 1 at the end part of the upper surface of the steel box girder to be hoisted outside, the second bottom plate 2 is installed at the end part of the steel box girder after being hoisted outside, the first bottom plate 1 is connected with the electric winch 3 through the traction rope 7, the lithium battery module is connected with the tension pressure sensor 6 and the wireless transmitter through the lead, and the pressure value measured by each tension pressure sensor 6 can be transmitted to the control terminal of the outside personnel through the wireless transmitter, such as a computer, so that the real-time force measured by each tension pressure sensor 6 can be observed through the control terminal of the computer and the like.
Furthermore, in the use process of the scheme, when the steel box girder to be hoisted is located on the ground, the electric winch 3 is started at the moment, the winding shaft of the electric winch 3 winds the traction rope 7, the lower end of the traction rope 7 is fixed on the connecting plate of the first bottom plate 1, so that the traction rope 7 is gradually straightened along with the winding of the electric winch 3, at the moment, the traction rope 7 is penetrated inside the mounting ring 5, namely after the traction rope 7 is straightened, and the second bottom plate 2 and the first bottom plate 1 are gradually in a position state distributed up and down, namely the traction rope 7 is in an inclined upward state at the moment, the inclined and straightened traction rope 7 extrudes the detection end of the tension pressure sensor 6 on the upper side of the mounting ring 5, the pressure value measured by the tension pressure sensor 6 is increased, the steel box girder below the first bottom plate 1 is gradually hoisted along with the equipment such as an external crane, the traction rope 7 is gradually loosened, and the traction rope 7 is kept in a straight state all the time through the continuous winding of the electric winch 3.
Further, with the gradual handling of steel box girders, if the steel box girders to be installed are located at the left side of the installed steel box girders, and the traction ropes 7 are in a left-right inclined state, namely, the traction ropes 7 extrude the tension pressure sensors 6 at the left side of the outer ring surface of the installation ring 5 at the moment, so that external workers can know the deviation direction between the lifted steel box girders and the installed steel box girders through the pressure value change measured by each tension pressure sensor 6, namely, the value of which tension pressure sensor 6 is enlarged, and the external crane can be controlled to move the steel box girders to the place until the final traction ropes 7 are located at the middle part in the installation ring 5 and are not in contact with each tension pressure sensor 6, and the steel box girders to be lifted are located in the state of the steel box girders at the moment.
Meanwhile, in the scheme, as the guide cylinder 9 is arranged on the upper surface of the second bottom plate 2, namely when the electric winch 3 winds the traction rope 7, the traction rope 7 can be wound on the electric winch 3 after passing through the guide cylinder 9, the phenomenon that the traction rope 7 is irregular after winding and easy to blow wires due to shaking during winding can be avoided, and as the detection ends of the tension pressure sensors 6 are all provided with the bearing blocks 8, the bearing blocks 8 form a ring together, and the ring is sleeved on the outer ring surface of the traction rope 7, namely when the traction rope 7 extrudes the tension pressure sensors 6, the traction rope 7 needs to extrude the bearing blocks 8 firstly, and the bearing blocks 8 are mutually attached, so that the defect that the tension pressure sensors 6 cannot be extruded when the traction rope 7 is positioned between the adjacent tension pressure sensors 6 can be avoided; and the bearing blocks 8 and the balls 10 in the guide cylinder 9 can reduce the abrasion of the traction rope 7.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a bridge steel case roof beam installation positioner, includes first bottom plate (1) and second bottom plate (2), its characterized in that, the last surface mounting of second bottom plate (2) has electric capstan (3), collar (5) are installed to the one end that is close to electric capstan (3) of first bottom plate (1) upper surface, a plurality of pressure sensor (6) are installed to the outer ring face of collar (5), and the detection end of pressure sensor (6) extends to the inside of collar (5), the other end of first bottom plate (1) upper surface is equipped with and draws pressure sensor (6) matched with lithium cell module and wireless changer, the middle part of first bottom plate (1) upper surface is connected with haulage rope (7) through the connecting plate, the other end of haulage rope (7) passes collar (5) and connects on the receipts spool of electric capstan (3).
2. The bridge steel box girder installation positioning device according to claim 1, wherein the installation frame (4) is fixed on two sides of the installation ring (5) together, the lower end of the installation frame (4) is fixed on the upper surface of the first bottom plate (1), the bearing blocks (8) are installed at the detection ends of the tension pressure sensor (6) extending to the inner side of the installation ring (5), and the adjacent bearing blocks (8) are mutually attached.
3. The bridge steel box girder installation positioning device according to claim 2, wherein a fixing frame is installed at one end, far away from the electric winch (3), of the upper surface of the second bottom plate (2), a guide cylinder (9) is fixed at the upper end of the fixing frame, and a rope body of the traction rope (7) is arranged inside the guide cylinder (9) in a penetrating mode.
4. A bridge steel box girder installation positioning device according to claim 3, characterized in that the inner sides of the bearing blocks (8) and the guide cylinders (9) are provided with a plurality of installation grooves, and balls (10) with smooth surfaces are installed in the installation grooves.
5. The bridge steel box girder installation and positioning device according to claim 4, wherein a hard force application rod (11) is arranged on the inner side of the installation ring (5), and two ends of the force application rod (11) extend to the outer part of the installation ring (5) and are respectively connected with the connecting plate and the traction rope (7).
6. The bridge steel box girder installation positioning device according to claim 5, wherein the two ends of the force application rod (11) are provided with rotary connecting rings, and the two rotary connecting rings are fixedly connected with the traction rope (7) and the connecting plate respectively.
7. The bridge steel box girder installation positioning device according to claim 1, wherein a plurality of stabilizing frames (12) are fixed on the outer ring surface of the installation ring (5), and the stabilizing frames (12) are sleeved on the outer ring surfaces of the adjacent tension and pressure sensors (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223025019.0U CN219342851U (en) | 2022-11-15 | 2022-11-15 | Bridge steel box girder installation positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223025019.0U CN219342851U (en) | 2022-11-15 | 2022-11-15 | Bridge steel box girder installation positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219342851U true CN219342851U (en) | 2023-07-14 |
Family
ID=87108782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223025019.0U Active CN219342851U (en) | 2022-11-15 | 2022-11-15 | Bridge steel box girder installation positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219342851U (en) |
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2022
- 2022-11-15 CN CN202223025019.0U patent/CN219342851U/en active Active
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