CN217629452U

CN217629452U - Bridge guardrail construction platform

Info

Publication number: CN217629452U
Application number: CN202221406797.1U
Authority: CN
Inventors: 刘红波
Original assignee: Shaanxi Communications Highway Design Research Institute Co ltd
Current assignee: Shaanxi Communications Highway Design Research Institute Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-21
Anticipated expiration: 2032-06-07

Abstract

The application relates to a bridge guardrail construction platform, which comprises a construction vehicle, an extension frame and a construction frame, wherein the construction vehicle is used for driving on a bridge, the extension frame is rotatably connected to the construction vehicle, a rotating shaft of the extension frame is horizontal and arranged along the direction of the bridge, and the extension frame can be extended or shortened along the length direction of the extension frame; the scaffold comprises a scaffold body, a bearing plate, a protective guard and a switch door, wherein the bearing plate is arranged at the bottom of the scaffold body, the protective guard is arranged on the periphery of the scaffold body around the scaffold body, a gap is formed in the protective guard, and the switch door is hinged to the protective guard to close or open the gap. This application has the effect that improves guardrail efficiency of construction.

Description

Bridge guardrail construction platform

Technical Field

The utility model belongs to the technical field of bridge manual equipment and specifically relates to a bridge railing construction platform is related to.

Background

Bridges are buildings for use by railways, roads, channels, pipelines, etc. across rivers, valleys or other lines of traffic. The position geographical position of bridge construction is all dangerous, and therefore the security of bridge is very important, generally can set up the guardrail in bridge both sides, protects the car that traveles or the pedestrian that walks on the bridge.

At present, current bridge is when the construction, because the bridge is higher, the unsettled setting in the guardrail outside at first needs to set up the scaffold frame on ground, sets up the bridge height with the supporting plane, later at scaffold frame installation supporting plane, carries out the construction of bridge railing as construction platform.

In view of the above-mentioned related art, when installing or dismantling the guardrail, need constantly carry out construction forward along the bridge direction, need transport the scaffold many times, the inventor thinks there is the defect that the efficiency of construction is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of construction of guardrail, this application provides a bridge guardrail construction platform.

The application provides a pair of bridge railing construction platform adopts following technical scheme:

a bridge guardrail construction platform comprises a construction vehicle, an extension frame and a construction frame, wherein the construction vehicle is used for driving on a bridge, the extension frame is rotatably connected to the construction vehicle, a rotating shaft of the extension frame is horizontal and arranged along the direction of the bridge, and the extension frame can be extended or shortened along the length direction of the extension frame; the scaffold includes support body, bearing plate, rail guard and switch door, the bearing plate sets up the support body bottom, the rail guard is in around the support body setting support body week side, be provided with the gap on the rail guard, the switch door articulates close or open the gap on the rail guard.

By adopting the technical scheme, when the bridge guardrail is constructed, the extension frame is started to rotate, so that the construction frame falls on the bridge, a construction worker opens the switch door to enter the frame body, and steps on the bearing plate and closes the switch door; starting the extension frame to rotate and enabling the construction frame to rise above a bridge guardrail, then starting the extension frame to extend out of two sides of the bridge along the length direction, finally starting the extension frame to rotate, enabling the construction frame to descend to a specific position for construction, and enabling the construction frame to continuously carry out construction through the movement of a construction vehicle along the bridge; the construction vehicle, the extension frame and the construction frame can control the construction frame to be close to or far away from the guardrail along the outer side of the bridge guardrail for construction through the extension frame, the gravity and the supporting point of the construction frame are placed on the bridge through the construction vehicle, the stability and the reliability of bridge construction are ensured, the movement of the construction frame is completed through the driving of the construction vehicle, the construction on different positions of the guardrail is convenient, the applicability is high, and the efficiency of guardrail construction is greatly improved; the frame body, bearing plate, rail guard and the switch door that set up can provide construction platform, and the bearing of being convenient for improves constructor's security.

Optionally, still include the slide rail, the slide rail sets up at the bridge avris, scaffold sliding connection is in on the slide rail.

Through adopting above-mentioned technical scheme, the slide rail that sets up can be installed along the bridge direction for the scaffold slides along the slide rail and provides the support to the scaffold, makes the work progress of scaffold more urgent steady reliable.

Optionally, the slide rail is L-shaped and is fixedly arranged at an upper included angle of a side edge of the bridge, and two side edges of the slide rail are both provided with sliding grooves; the scaffold further comprises a sliding column, one end of the sliding column is fixedly arranged on the scaffold, and the other end of the sliding column extends into the sliding groove and is in sliding connection with the sliding groove.

By adopting the technical scheme, the slide rail is arranged to be of a corner type, so that on one hand, the connection relation with a bridge is strengthened, and further the supporting strength is improved; on the other hand, can consolidate the bridge avris, reduce the influence of bridge railing construction to bridge avris intensity, further improve the stability and the reliability of guardrail construction, increase the support through the sliding column to avoid scaffold and bridge laminating and increase friction, improve the efficiency of construction.

Optionally, the sliding groove includes a clamping section and an extending section that are perpendicular to each other, and the sliding column is disposed corresponding to the sliding groove and clamped in the clamping section.

Through adopting above-mentioned technical scheme, the screens section that sets up with stretch into the section, stretch into and the card is established in the spout at the tip of slide rail, can connect slide rail and scaffold, carry out the auxiliary stay to the scaffold, protect the scaffold, avoid extending the frame and take place the error.

Optionally, a ball is embedded in the part of the sliding column extending into the sliding groove.

Through adopting above-mentioned technical scheme, the ball of setting can reduce the frictional force between slip post and the slide rail, and the scaffold of being convenient for arrives next construction position along the removal of bridge direction, is convenient for continuously be under construction, improves the efficiency of construction.

Optionally, the scaffold still includes the support column, support column one end sets firmly on the scaffold, the other end sets up to rotate the pearl, and with the slide rail contact.

Through adopting above-mentioned technical scheme, the support column of setting can support the scaffold, reduces rocking of scaffold, reduces the situation of stress concentration between slip post and the spout simultaneously, protects slip post and slide rail, improves the stationarity of scaffold.

Optionally, a groove parallel to the sliding groove direction is formed in the sliding groove, and the rotating bead is connected to the inner wall of the groove in a sliding manner.

Through adopting above-mentioned technical scheme, the recess of setting can lead to the rotating bead, provides steady strong point for the sliding column, improves the support effect of support column.

Optionally, the extension frame is provided with the electric hoist crane near scaffold one end, the wire rope cover of electric hoist crane is established on the scaffold, and can drive the scaffold goes up and down.

Through adopting above-mentioned technical scheme, the electric hoist crane of setting can be adjusted according to the height of different guardrails, is convenient for construct the position below the bridge, and the suitability is wider, and the construction effect is better, and efficiency is higher.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the construction vehicle, the extension frame and the construction frame can control the construction frame to be close to or far away from the guardrail along the outer side of the bridge guardrail for construction through the extension frame, the gravity and the supporting point of the construction frame are placed on the bridge through the construction vehicle, the stability and the reliability of bridge construction are ensured, the movement of the construction frame is completed through the driving of the construction vehicle, the construction on different positions of the guardrail is convenient, the applicability is high, and the efficiency of guardrail construction is greatly improved; the frame body, the bearing plate, the protective guard and the switch door can provide a construction platform, so that the bearing is facilitated, and the safety of constructors is improved;

2. the arranged slide rail can be installed along the direction of the bridge, so that the scaffold slides along the slide rail and provides support for the scaffold, and the construction process of the scaffold is more urgent, stable and reliable;

3. the electric hoist crane who sets up can be adjusted according to the height of different guardrails, is convenient for construct the position below the bridge, and the suitability is wider, and the construction effect is better, and efficiency is higher.

Drawings

FIG. 1 is the overall structure of bridge railing construction platform of the embodiment of this application schematic diagram.

Fig. 2 is a side view of fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. construction vehicle; 11. a lifting hydraulic cylinder; 2. an extension frame; 21. an extension section; 22. a connecting section; 3. an electric hoist crane; 4. a scaffold; 41. a frame body; 42. a bearing plate; 43. protecting a fence; 431. a limit buckle; 44. opening and closing the door; 45. a control box; 46. a sliding post; 47. a support pillar; 48. a ball bearing; 49. rotating the beads; 5. a slide rail; 51. a chute; 52. and (4) a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses bridge railing construction platform. Referring to fig. 1, the bridge guardrail construction platform comprises a construction vehicle 1, an extension frame 2, an electric hoist crane 3, a construction frame 4 and a slide rail 5, wherein the construction vehicle 1 is arranged on the road surface of a bridge and is used for driving on the bridge; the extension frame 2 is rotatably connected to the construction vehicle 1, a rotating shaft of the extension frame 2 is horizontal and arranged along the direction of the bridge, and the extension frame 2 can be extended or shortened along the length direction of the extension frame 2; electric hoist crane 3 sets up and keeps away from 1 one end of construction car at extension frame 2, and the hoist and mount of scaffold 4 are on electric hoist crane 3, and slide rail 5 sets firmly on the bridge avris, and 4 sliding connection of scaffold are on slide rail 5.

Referring to fig. 1, extension frame 2 is provided with two along the bridge direction, and extension frame 2 includes extension section 21 and linkage segment 22, extension section 21 sets up to flexible pneumatic cylinder, and extension section 21 frame one end rotates and connects on construction car 1, the piston rod level is horizontal and is set up along the bridge, linkage segment 22 sets up to "L" type, and lower one end bolt fastening is in the piston rod one end of extension section 21, linkage segment 22 is used for avoiding the bridge railing, two linkage segments 22 keep away from extension section 21 one end and pass through connecting plate welded connection fixed. The hoist crane 3 is fixedly installed at one end of the connecting section 22 far away from the extending section 21, and is fixed on the connecting plate through bolts, and the two hoist cranes 3 are respectively hung at two sides of the construction vehicle 1.

Referring to fig. 1, a lifting hydraulic cylinder 11 is hinged to a construction vehicle 1, one end of a piston rod of the lifting hydraulic cylinder 11 is hinged to an extension frame 2, the piston rod of the hydraulic cylinder is perpendicular to a hinge shaft of the extension frame 2 and is hinged to an extension section 21, and the hinge shaft of the lifting hydraulic cylinder 11 is parallel to a rotation shaft of the extension frame 2.

Referring to fig. 1, a construction frame 4 includes a frame body 41, a bearing plate 42, a protective guard 43, an opening and closing door 44 and a control box 45, the bearing plate 42 is horizontally welded at the bottom of the frame body 41, the protective guard 43 is arranged around the frame body 41 and is welded on the frame body 41, a gap is arranged on one side of the protective guard 43 close to a construction vehicle 1, the opening and closing door 44 is hinged on the protective guard 43 to close or open the gap, and an opening and closing lock is fixed on the opening and closing door 44 through a bolt. Two ports are arranged in the steel wire rope society of any electric hoist crane 3 and are respectively arranged close to four corners of the frame body 41; a limiting buckle 431 for the steel wire rope to pass through and slide is welded on the guard rail 43, and the steel wire rope passes through the limiting buckle 431, passes through the frame body 41 and is fixed at the bottom of the frame body 41. The control box 45 is bolted to the bearing plate 42 and is used for remotely controlling the hoist crane 3.

Referring to fig. 2 and 3, the scaffold 4 further includes a sliding column 46 and a supporting column 47, the sliding rail 5 is set to be L-shaped and is used for being fixed at an upper corner of a side edge of a bridge through bolts, sliding grooves 51 are formed in two side edges of the sliding rail 5, and flaring openings are formed in two ends of each sliding groove 51, so that the sliding column 46 can conveniently extend into the sliding grooves; the sliding groove 51 comprises a clamping section and an extending section which are vertically arranged, and the clamping section and the extending section are arranged in a T shape; the sliding columns 46 are provided with two groups and are respectively connected with the sliding grooves 51 on two sides of the sliding rail 5 in a sliding manner, and two sliding columns 46 in each group are simultaneously connected on the same sliding groove 51 in a sliding manner along the direction of the sliding groove 51. Two sliding columns 46 are arranged corresponding to each other and are arranged in a T shape, one end of each sliding column 46 extends into and is clamped in the corresponding sliding groove 51 along the end part of the corresponding sliding groove 51, and the other end of each sliding column 46 is welded on the protective guard 43 and the bottom wall of the frame body 41 respectively; the sliding column 46 is embedded with a plurality of balls 48 extending into the sliding slot 51.

Referring to fig. 2 and 3, two support columns 47 are arranged along the direction of the slide rail 5, one ends of the two support columns 47 are bolted to the bottom wall of the frame body 41, the other ends of the two support columns 47 are provided with rotating balls 49, a groove 52 parallel to the direction of the sliding groove 51 is formed in the sliding groove 51, and the rotating balls 49 abut against the inner wall of the groove 52 and rotate along the groove 52.

The implementation principle of the bridge guardrail construction platform provided by the embodiment of the application is as follows: when the bridge guardrail is constructed, the construction vehicle 1 is started to reach the bridge guardrail to be constructed, the slide rail 5 is buckled at the upper corner of the side edge of the bridge, and the slide rail is fixed on the bridge through bolts; and then starting the lifting hydraulic cylinder 11, so that a piston rod of the lifting hydraulic cylinder 11 drives the extension frame 2 to rotate until the scaffold 4 falls on the bridge. A constructor opens the switch door 44 to enter the frame body 41, steps on the bearing plate 42 by feet, closes the switch door 44 and locks the switch lock; then starting the hoisting hydraulic cylinder 11 to enable the extension frame 2 to rotate and enable the construction frame 4 to rise until the construction frame 4 is higher than the bridge guardrail, then starting the extension hydraulic cylinder to drive the connecting section 22 to extend out of the bridge guardrail along the length direction, starting the hoisting hydraulic cylinder 11 to enable the extension frame 2 to rotate, enabling the construction frame 4 to descend and enabling the construction frame 4 to adapt to the height of the guardrail, and if a construction worker is too high on the guardrail to automatically start the electric hoist crane 3, a steel wire rope of the electric hoist crane 3 drives the construction frame 4 to descend until the sliding column 46 is flush with the sliding groove 51; start that the construction car 1 goes forward for sliding column 46 stretches into and the card is established in spout 51, and support column 47 stretches into recess 52, makes to rotate pearl 49 and rotates along recess 52, begins to be under construction this moment, later moves ahead along the bridge through construction car 1, makes the scaffold 4 continuously remove and continuously be under construction, improves the efficiency of construction.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bridge railing construction platform which characterized in that: the construction vehicle (1) is used for driving on a bridge, the extension frame (2) is rotatably connected to the construction vehicle (1), a rotating shaft of the extension frame (2) is horizontal and arranged along the direction of the bridge, and the extension frame (2) can extend or shorten along the length direction of the extension frame (2); scaffold (4) are including support body (41), bearing plate (42), rail guard (43) and switch door (44), bearing plate (42) set up support body (41) bottom, rail guard (43) set up around support body (41) week side support body (41), be provided with the gap on rail guard (43), switch door (44) articulate close or open the gap on rail guard (43).

2. The bridge railing construction platform of claim 1, wherein: still include slide rail (5), slide rail (5) set up at the bridge avris, scaffold (4) sliding connection is in on slide rail (5).

3. The bridge railing construction platform of claim 2, wherein: the sliding rail (5) is L-shaped and is fixedly arranged at an upper included angle of the side edge of the bridge, and sliding grooves (51) are formed in two side edges of the sliding rail (5); the scaffold (4) further comprises a sliding column (46), one end of the sliding column (46) is fixedly arranged on the scaffold (4), and the other end of the sliding column extends into the sliding groove (51) and is in sliding connection with the sliding groove (51).

4. The bridge railing construction platform of claim 3, wherein: the sliding groove (51) comprises a clamping section and an extending section which are perpendicular to each other, and the sliding column (46) is arranged corresponding to the sliding groove (51) and clamped on the clamping section.

5. The bridge railing construction platform of claim 3, wherein: a plurality of balls (48) are embedded in the part of the sliding column (46) extending into the sliding groove (51).

6. The bridge railing construction platform of claim 3, wherein: scaffold (4) still include support column (47), support column (47) one end sets firmly on scaffold (4), the other end sets up to rotate pearl (49), and with slide rail (5) contact.

7. The bridge railing construction platform of claim 6, wherein: a groove (52) parallel to the direction of the sliding groove (51) is formed in the sliding groove (51), and the rotating ball (49) is connected to the inner wall of the groove (52) in a sliding mode.

8. The bridge railing construction platform of claim 1, wherein: the extension frame (2) is provided with hoist crane (3) near scaffold (4) one end, the wire rope cover of hoist crane (3) is established on scaffold (4), and can drive scaffold (4) go up and down.