CN113136804A - Appearance modification platform for bottom of segmental box girder - Google Patents
Appearance modification platform for bottom of segmental box girder Download PDFInfo
- Publication number
- CN113136804A CN113136804A CN202110440456.XA CN202110440456A CN113136804A CN 113136804 A CN113136804 A CN 113136804A CN 202110440456 A CN202110440456 A CN 202110440456A CN 113136804 A CN113136804 A CN 113136804A
- Authority
- CN
- China
- Prior art keywords
- box girder
- upper platform
- platform
- fixedly installed
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a segment box girder bottom appearance modification platform which comprises a box girder, wherein first walkways are arranged on two sides of the box girder, a same second walkway is fixedly arranged between the two first walkways, the second walkway is positioned below the box girder, connecting channel steel is fixedly arranged on one side, away from each other, of the two first walkways, an upper platform is fixedly arranged on the tops of the two connecting channel steel, the upper platform is positioned above the box girder, a balancing weight is fixedly arranged on the top of the upper platform, an upper platform support is fixedly arranged on the bottom of the upper platform, a roller is arranged on the bottom of the upper platform support, a reduction gearbox fixedly arranged on the upper platform support is arranged on one side of the roller, a motor is arranged in the reduction gearbox, and the output end of the motor is fixedly connected with the roller. The whole platform has simple structure, practicability, low cost, remote control and improved safety, and has wide application prospect.
Description
Technical Field
The invention relates to the technical field of construction, in particular to a segmental box girder bottom appearance modification platform.
Background
In the bridge construction, after the box girder construction is completed, the bottom and the side of the box girder need to be modified, because the box girder is higher than the ground, the construction is usually assisted by a modifying platform, the modifying platform comprises a traveling mechanism positioned on a bridge deck and an operating platform which is positioned below the bridge deck and connected with the traveling mechanism into a whole, and after the beam section of the previous span is modified, the modifying platform needs to be moved to the next span.
The existing box girder bottom modification construction adopts the construction of building a scaffold, the building of the scaffold takes time, and the safety coefficient of the bridge with too high height is low. The immovable construction efficiency is not high.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a segment box girder bottom appearance modification platform.
The invention provides a segment box girder bottom appearance modification platform which comprises a box girder, wherein first walkways are arranged on two sides of the box girder, the same second walkway is fixedly arranged between the two first walkways and is positioned below the box girder, connecting channel steel is fixedly arranged on one side, away from each other, of the two first walkways, an upper platform is fixedly arranged on the tops of the two connecting channel steel, the upper platform is positioned above the box girder, a balancing weight is fixedly arranged on the top of the upper platform, an upper platform support is fixedly arranged on the bottom of the upper platform, a roller wheel is arranged on the bottom of the upper platform support, a reduction gearbox fixedly arranged on the upper platform support is arranged on one side of the roller wheel, a motor is arranged in the reduction gearbox, and the output end of the motor is fixedly connected with the roller wheel.
Preferably, a first pressure sensor is fixedly mounted at the joint of the first walkway and the second walkway, a second pressure sensor is fixedly mounted on the roller, and an alarm indicator lamp is fixedly mounted on one side of the second walkway.
Preferably, the bottom of the upper platform support is fixedly provided with a U-shaped frame, the idler wheels are positioned in the U-shaped frame, the two ends of the idler wheels are fixedly provided with wheel shafts, and the two wheel shafts are rotatably arranged on the inner walls of the two sides of the U-shaped frame.
Preferably, the sleeve pipe is sleeved at the bottom of the upper platform support in a movable mode, the bottoms of two sides of the sleeve pipe are fixedly provided with L-shaped protection frames, the bottom of each L-shaped protection frame is fixedly provided with a rubber block, and the motor and the idler wheels are located in the two L-shaped protection frames.
Preferably, the sliding tray has all been seted up along vertical direction in the both sides bottom that the upper mounting plate supported, and two sliding trays all are located the cover pipe, and equal fixed mounting has the sliding block on the sheathed tube both sides inner wall, and two sliding blocks are slidable mounting respectively on the inner wall of two sliding trays.
Preferably, seted up on the telescopic one side inner wall and rotated the hole, and rotated the below that the hole is located the sliding block, rotated downthehole rotation and installed the axis of rotation, and outside the both ends of axis of rotation all extended to rotating the hole, the one end of axis of rotation extended to in the sleeve, and fixed mounting has the cam, and the top of cam contacts with the bottom of corresponding sliding block.
Preferably, one end of the rotating shaft extends out of the sleeve and is fixedly provided with the rotating disc.
Preferably, a plurality of draw-in grooves have evenly been seted up to the one side annular that the axis of rotation was kept away from to the rolling disc, and the dwang is installed in the top rotation of L type fender bracket, and the top fixed mounting of dwang has the movable block, and one side fixed mounting of movable block has the fixture block, and fixture block and draw-in groove looks adaptation, and the bottom fixed mounting of dwang has the one end of torsional spring, and the other end of torsional spring is fixed on L type fender bracket.
According to the appearance modification platform for the bottom of the segmental box girder, the modification platform is supported by the upper platform and the box girder, the lower part of the appearance modification platform is controlled by the roller to move forwards, the second pressure sensor is arranged on the roller, the first pressure sensor is also arranged between the first walkway and the second walkway, one side of the upper platform is provided with the balancing weight to increase the stability, a worker can freely walk between the upper platform and the bottom platform, the bottom of the box girder is modified, the whole platform is simple in structure, practical and low in cost, can be remotely controlled, improves the safety, and has a wide application prospect.
Drawings
Fig. 1 is a schematic structural diagram of a bottom appearance modification platform of a segmental box girder according to the present invention;
FIG. 2 is a schematic view of an upper platform supporting structure of a platform for modifying the appearance of the bottom of a segmental box girder according to the present invention;
FIG. 3 is a schematic structural view of part A of a platform for modifying appearance of a bottom of a segmental box girder according to the present invention;
fig. 4 is a schematic structural diagram of a part a1 of a platform for decorating the appearance of the bottom of a section box girder according to the present invention.
In the figure: 1 case roof beam, 2 balancing weights, 3 upper platforms, 4 upper platform supports, 5 motors, 6 connection channel-section steels, 7 first pavement, 8 second pavement, 9 gyro wheels, 10 first pressure sensor, 11 second pressure sensor, 12 alarm indicator lamps, 13 sleeve pipes, 14L type fender bracket, 15 rubber blocks, 16U type frame, 17 shaft, 18 sliding tray, 19 sliding blocks, 20 rotation holes, 21 axis of rotation, 22 cam, 23 rolling disc, 24 torsional spring, 25 dwang, 26 movable block, 27 fixture block, 28 draw-in groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-4, a segment box girder bottom appearance modification platform, including box girder 1, box girder 1's both sides all are provided with first pavement 7, fixed mounting has same second pavement 8 between two first pavement 7, and second pavement 8 is located the below of box girder 1, the equal fixed mounting in one side that two first pavement 7 kept away from each other has connection channel-section steel 6, and the equal fixed mounting in top of two connection channel-section steels 6 has upper mounting plate 3, upper mounting plate 3 is located the top of box girder 1, upper mounting plate 3's top fixed mounting has balancing weight 2, upper mounting plate 3's bottom fixed mounting has upper mounting plate support 4, and upper mounting plate support 4's bottom installs gyro wheel 9, one side of gyro wheel 9 is equipped with the reducing gear box of fixed mounting on upper mounting plate support 4, and be provided with motor 5 in the reducing gear box, motor 5's output and gyro wheel 9 fixed connection.
In the invention, a first pressure sensor 10 is fixedly arranged at the joint of the first walkway 7 and the second walkway 8, a second pressure sensor 11 is fixedly arranged on the roller 9, and an alarm indicator light 12 is fixedly arranged at one side of the second walkway 8.
In the invention, a U-shaped frame 16 is fixedly arranged at the bottom of the upper platform support 4, the roller 9 is positioned in the U-shaped frame 16, wheel shafts 17 are fixedly arranged at two ends of the roller 9, and the two wheel shafts 17 are rotatably arranged on the inner walls of two sides of the U-shaped frame 16.
In the invention, the bottom of the upper platform support 4 is movably sleeved with a sleeve 13, the bottoms of two sides of the sleeve 13 are fixedly provided with L-shaped protection frames 14, the bottom of each L-shaped protection frame 14 is fixedly provided with a rubber block 15, and the motor 5 and the roller 9 are positioned in the two L-shaped protection frames 14.
In the invention, sliding grooves 18 are respectively formed in the bottoms of the two sides of the upper platform support 4 along the vertical direction, the two sliding grooves 18 are respectively positioned in the sleeve 13, sliding blocks 19 are respectively and fixedly installed on the inner walls of the two sides of the sleeve 13, and the two sliding blocks 19 are respectively and slidably installed on the inner walls of the two sliding grooves 18.
In the invention, a rotating hole 20 is formed in the inner wall of one side of the sleeve 13, the rotating hole 20 is positioned below the sliding block 19, a rotating shaft 21 is rotatably mounted in the rotating hole 20, two ends of the rotating shaft 21 extend out of the rotating hole 20, one end of the rotating shaft 21 extends into the sleeve 13 and is fixedly mounted with a cam 22, and the top of the cam 22 is in contact with the bottom of the corresponding sliding block 19.
In the present invention, one end of the rotating shaft 21 extends to the outside of the sleeve 13, and the rotating disc 23 is fixedly installed.
In the invention, a plurality of clamping grooves 28 are uniformly and annularly formed in one side of the rotating disc 23, which is far away from the rotating shaft 21, the rotating rod 25 is rotatably installed at the top of the L-shaped protection frame 14, the movable block 26 is fixedly installed at the top of the rotating rod 25, the clamping block 27 is fixedly installed at one side of the movable block 26, the clamping block 27 is matched with the clamping grooves 28, one end of the torsion spring 24 is fixedly installed at the bottom of the rotating rod 25, and the other end of the torsion spring 24 is fixed on the L-shaped protection frame 14.
Example two
Referring to fig. 1-4, a segment box girder bottom appearance modification platform, including box girder 1, box girder 1's both sides all are provided with first pavement 7, fixed mounting has same second pavement 8 between two first pavement 7, and second pavement 8 is located the below of box girder 1, the equal fixed mounting in one side that two first pavement 7 kept away from each other has connection channel-section steel 6, and the equal fixed mounting in top of two connection channel-section steels 6 has upper mounting plate 3, upper mounting plate 3 is located the top of box girder 1, upper mounting plate 3's top fixed mounting has balancing weight 2, upper mounting plate 3's bottom fixed mounting has upper mounting plate support 4, and upper mounting plate support 4's bottom installs gyro wheel 9, one side of gyro wheel 9 is equipped with the reducing gear box of fixed mounting on upper mounting plate support 4, and be provided with motor 5 in the reducing gear box, motor 5's output and gyro wheel 9 fixed connection.
In the invention, a first pressure sensor 10 is fixedly arranged at the joint of the first walkway 7 and the second walkway 8, a second pressure sensor 11 is fixedly arranged on the roller 9, an alarm indicator lamp 12 is fixedly arranged at one side of the second walkway 8, and the pressure sensors are used for detecting whether each part is overloaded or not.
In the invention, a U-shaped frame 16 is fixedly arranged at the bottom of the upper platform support 4, the roller 9 is positioned in the U-shaped frame 16, wheel shafts 17 are fixedly arranged at two ends of the roller 9, and the two wheel shafts 17 are rotatably arranged on the inner walls of two sides of the U-shaped frame 16.
According to the invention, the bottom of the upper platform support 4 is movably sleeved with the sleeve 13, the bottoms of two sides of the sleeve 13 are fixedly provided with the L-shaped protection frames 14, the bottom of each L-shaped protection frame 14 is fixedly provided with the rubber block 15, the motor 5 and the roller 9 are positioned in the two L-shaped protection frames 14, and the L-shaped protection frames 14 are used for limiting and fixing the upper platform support 4.
In the invention, sliding grooves 18 are respectively formed in the bottoms of the two sides of the upper platform support 4 along the vertical direction, the two sliding grooves 18 are respectively positioned in the sleeve 13, sliding blocks 19 are respectively and fixedly installed on the inner walls of the two sides of the sleeve 13, and the two sliding blocks 19 are respectively and slidably installed on the inner walls of the two sliding grooves 18.
In the invention, a rotating hole 20 is formed in the inner wall of one side of the sleeve 13, the rotating hole 20 is positioned below the sliding block 19, a rotating shaft 21 is rotatably mounted in the rotating hole 20, two ends of the rotating shaft 21 extend out of the rotating hole 20, one end of the rotating shaft 21 extends into the sleeve 13 and is fixedly mounted with a cam 22, the top of the cam 22 is in contact with the bottom of the corresponding sliding block 19, and the cam 22 is convenient for driving the sleeve 13 and the L-shaped protection frame 14 to move up and down.
In the present invention, one end of the rotating shaft 21 extends to the outside of the sleeve 13, and the rotating disc 23 is fixedly installed.
According to the invention, a plurality of clamping grooves 28 are uniformly and annularly formed in one side, away from the rotating shaft 21, of the rotating disc 23, the rotating rod 25 is rotatably installed at the top of the L-shaped protection frame 14, the movable block 26 is fixedly installed at the top of the rotating rod 25, the clamping block 27 is fixedly installed at one side of the movable block 26, the clamping block 27 is matched with the clamping grooves 28, one end of the torsion spring 24 is fixedly installed at the bottom of the rotating rod 25, the other end of the torsion spring 24 is fixed on the L-shaped protection frame 14, and the clamping block 27 always has an acting force clamped in the clamping grooves 28 under.
The invention comprises the following steps: the upper platform 3 and an upper platform support 4 are welded into an integral upper half part by a connecting channel steel 6 and a walkway 7, wherein the upper platform support is connected with a roller 9, a motor and a reduction gearbox form a driving connection roller together, a second walkway 8 is connected with two first walkways 7 to form a lower half part, a second pressure sensor 11 is arranged at the position of a wheel shaft, and a first pressure sensor 10 is arranged at the joint hinge of the walkways 7 and the walkways 8;
when the actual modification and cleaning of the box girder at a fixed position are needed, the rotating rod 25 is rotated to enable the clamping block 27 to move out of the clamping groove 28, then the rotating disc 23 is rotated, the rotating disc 23 drives the cam 22 to rotate through the rotating shaft 21, the cam 22 drives the sliding block 19 to move up and down, the sliding block 19 drives the sleeve 13 and the L-shaped protection frame 14 to move, the L-shaped protection frame 14 drives the rubber block 15 to extrude the top of the box girder 1, the position is fixed, and the placement roller moves;
the actual process of modifying and cleaning the box girder comprises the following steps: the platform that utilizes motor drive gyro wheel is whole can move to the assigned position on the case roof beam and carefully decorate the clearance to case roof beam bottom, and wherein pressure sensor can detect out whether pressure overload guarantees safety with linking hinge department at the gyro wheel, but motor walking remote control facilitates the use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The appearance modification platform for the bottom of the segmental box girder is characterized by comprising a box girder (1), wherein first walkways (7) are arranged on two sides of the box girder (1), a same second walkway (8) is fixedly installed between the two first walkways (7), the second walkway (8) is positioned below the box girder (1), connecting channel steel (6) is fixedly installed on one side, far away from each other, of the two first walkways (7), an upper platform (3) is fixedly installed on the tops of the two connecting channel steel (6), the upper platform (3) is positioned above the box girder (1), a balancing weight (2) is fixedly installed on the top of the upper platform (3), an upper platform support (4) is fixedly installed on the bottom of the upper platform (3), a roller (9) is installed on the bottom of the upper platform support (4), a reduction gearbox fixedly installed on the upper platform support (4) is arranged on one side of the roller (9), and a motor (5) is arranged in the reduction gearbox, and the output end of the motor (5) is fixedly connected with the roller (9).
2. The appearance modification platform for the bottom of the segmental box girder according to claim 1, wherein a first pressure sensor (10) is fixedly mounted at the joint of the first walkway (7) and the second walkway (8), a second pressure sensor (11) is fixedly mounted on the roller (9), and an alarm indicator lamp (12) is fixedly mounted on one side of the second walkway (8).
3. The appearance modification platform for the bottoms of the segmental box girders according to claim 1, characterized in that U-shaped frames (16) are fixedly arranged at the bottoms of the upper platform supports (4), the rollers (9) are positioned in the U-shaped frames (16), wheel shafts (17) are fixedly arranged at both ends of each roller (9), and the two wheel shafts (17) are rotatably arranged on the inner walls of the two sides of each U-shaped frame (16).
4. The appearance modification platform for the bottom of the segmental box girder according to claim 1, wherein a sleeve (13) is movably sleeved at the bottom of the upper platform support (4), L-shaped protection frames (14) are fixedly installed at the bottoms of two sides of the sleeve (13), a rubber block (15) is fixedly installed at the bottom of each L-shaped protection frame (14), and the motor (5) and the roller (9) are both located in the two L-shaped protection frames (14).
5. The appearance modification platform for the bottom of the segmental box girder according to claim 1, wherein sliding grooves (18) are formed in the bottoms of the two sides of the upper platform support (4) in the vertical direction, the two sliding grooves (18) are located in the sleeve (13), sliding blocks (19) are fixedly mounted on the inner walls of the two sides of the sleeve (13), and the two sliding blocks (19) are respectively slidably mounted on the inner walls of the two sliding grooves (18).
6. The appearance modification platform for the bottom of the segmental box girder according to claim 4, wherein a rotating hole (20) is formed in the inner wall of one side of the sleeve (13), the rotating hole (20) is located below the sliding block (19), a rotating shaft (21) is rotatably mounted in the rotating hole (20), two ends of the rotating shaft (21) extend out of the rotating hole (20), one end of the rotating shaft (21) extends into the sleeve (13), a cam (22) is fixedly mounted on the rotating hole, and the top of the cam (22) is in contact with the bottom of the corresponding sliding block (19).
7. The appearance modifying platform for the bottom of a section box girder according to claim 6, wherein one end of the rotating shaft (21) extends out of the sleeve (13) and is fixedly provided with a rotating disc (23).
8. The appearance modification platform for the bottoms of the segmental box girders according to claim 1, wherein a plurality of clamping grooves (28) are uniformly formed in the annular shape of one side of the rotating disc (23) away from the rotating shaft (21), a rotating rod (25) is rotatably installed at the top of the L-shaped protection frame (14), a movable block (26) is fixedly installed at the top of the rotating rod (25), a clamping block (27) is fixedly installed at one side of the movable block (26), the clamping block (27) is matched with the clamping grooves (28), one end of a torsion spring (24) is fixedly installed at the bottom of the rotating rod (25), and the other end of the torsion spring (24) is fixed on the L-shaped protection frame (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440456.XA CN113136804A (en) | 2021-04-23 | 2021-04-23 | Appearance modification platform for bottom of segmental box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440456.XA CN113136804A (en) | 2021-04-23 | 2021-04-23 | Appearance modification platform for bottom of segmental box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113136804A true CN113136804A (en) | 2021-07-20 |
Family
ID=76813686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110440456.XA Pending CN113136804A (en) | 2021-04-23 | 2021-04-23 | Appearance modification platform for bottom of segmental box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113136804A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2821638A1 (en) * | 2001-03-01 | 2002-09-06 | Frederic Desneux | Cleaning equipment for vertical walls and archways comprises structure supporting ascent or descent of walkway which can be pivoted about axis parallel to its ascent |
| CN106917353A (en) * | 2017-04-21 | 2017-07-04 | 中交第二航务工程局有限公司 | A kind of open-close type crosses pier box beam maintenance construction trolley and its method of work |
| CN206529708U (en) * | 2017-02-15 | 2017-09-29 | 中铁十九局集团第七工程有限公司 | Hanging Basket running gear |
| CN211644482U (en) * | 2019-11-08 | 2020-10-09 | 济南双力升降机械有限公司 | Anti-falling device for main body of lifting operation platform |
-
2021
- 2021-04-23 CN CN202110440456.XA patent/CN113136804A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2821638A1 (en) * | 2001-03-01 | 2002-09-06 | Frederic Desneux | Cleaning equipment for vertical walls and archways comprises structure supporting ascent or descent of walkway which can be pivoted about axis parallel to its ascent |
| CN206529708U (en) * | 2017-02-15 | 2017-09-29 | 中铁十九局集团第七工程有限公司 | Hanging Basket running gear |
| CN106917353A (en) * | 2017-04-21 | 2017-07-04 | 中交第二航务工程局有限公司 | A kind of open-close type crosses pier box beam maintenance construction trolley and its method of work |
| CN211644482U (en) * | 2019-11-08 | 2020-10-09 | 济南双力升降机械有限公司 | Anti-falling device for main body of lifting operation platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110005451B (en) | Foldable arch frame type tunnel waterproof board installation vehicle | |
| JP4226488B2 (en) | Mobile suspension scaffolding for repairing bridges, elevated roads, etc. | |
| CN106932758A (en) | Radar detection servomechanism and radar antenna intelligent mobile lifting test platform | |
| CN113136804A (en) | Appearance modification platform for bottom of segmental box girder | |
| CN108457477B (en) | Construction vehicle for building arch tyre of industrial furnace flue and arch tyre erecting method | |
| CN215670916U (en) | Scaffold for adjusting height of bearing platform in constructional engineering | |
| CN113184750B (en) | Public building cable bridge installation mechanism and method | |
| CN110525538B (en) | Stair climbing device | |
| CN210975530U (en) | Retractable bridge inspection car | |
| CN204552589U (en) | Vehicle multifunction folding ladder | |
| JP2895751B2 (en) | Aerial work vehicle | |
| CN108147340B (en) | Traveling mechanism | |
| CN108589558B (en) | Viaduct outer wall facility maintenance support | |
| CN214062288U (en) | Adjustable firm type house construction scaffold frame | |
| CN212897450U (en) | Pipeline installation auxiliary operation platform | |
| CN220886946U (en) | Hanging frame for bridge reinforcement construction | |
| CN219972942U (en) | Telescopic structure of steam shed frame | |
| CN218264849U (en) | Movable operating platform for connecting U-shaped ribs of steel box girder | |
| CN220598147U (en) | Mobile trolley for bridge construction | |
| CN114657890B (en) | Operation platform and bridge runoff system construction method using same | |
| CN212406549U (en) | Movable ladder stand in tunnel | |
| CN218409105U (en) | Movable lifting communication platform | |
| CN218970583U (en) | Elevator well assembly system | |
| CN220746614U (en) | High fixing device of security and portable basket of hanging is used in bridge construction | |
| CN219971652U (en) | Adjustable door-shaped frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |