CN206052542U - Movable working platform for bridge repair and reinforcement - Google Patents

Abstract

The utility model discloses a movable working platform for bridge maintenance and reinforcement, which comprises two walking mechanisms, a climbing ladder and an operating platform; The walking mechanism is connected with the ladder, and the ladder is set between the walking mechanism and the operating platform and is connected with the anti-collision guardrail by rolling friction; the walking mechanism includes a door-type body straddling the anti-collision guardrail, and the door-type body is provided with a top frame, an outer The frame and the inner frame are equipped with traveling rollers Ⅰ under the top frame, and the traveling rollers Ⅰ are in rolling friction connection with the upper surface of the steel plate, and the steel plate is placed on the top surface of the anti-collision barrier; There is a side pulley Ⅰ, and the side pulley Ⅰ is connected with the side surface of the anti-collision barrier by rolling friction; a side positioning mechanism and a hanging ear plate are provided on the portal body, and the operation platform is connected with the hanging ear plate by a chain hoist. The utility model is constructed rapidly and is convenient to move.

Description

Movable working platform for bridge repair and reinforcement

technical field

The utility model relates to the technical field of bridge construction, in particular to a movable working platform for bridge maintenance and reinforcement.

Background technique

With the continuous development of the national economy, my country's transportation network is becoming more and more perfect, and bridges play an irreplaceable role in the transportation network due to their own characteristics. In actual use, due to design defects, imperfect construction technology, and increasing traffic loads, bridge girder bottom plates often have quality problems such as cracks, concrete spalling, exposed steel bars, and corrosion. Due to the hidden position of the beam bottom plate, it is very difficult to repair and reinforce it later.

Existing special devices for maintenance and reinforcement mainly include bridge maintenance vehicles and full hall supports. Among them, the bridge maintenance vehicle has the advantages of being mobile, convenient and flexible, but it has a large investment and high cost, which affects the traffic on the bridge deck, and when the width of the bridge deck is wide, it is difficult to reach the middle of the bottom plate; the full hall support requires sufficient space under the bridge , When the space under the bridge is small, or the traffic is relatively heavy, or when encountering rivers, deep ditches, soft soil and silt, it is very difficult to build, or even impossible to implement.

Contents of the invention

The utility model provides a movable working platform for bridge maintenance and reinforcement in order to solve the technical problems existing in the known technology. Efficient processing.

The technical solution adopted by the utility model to solve the technical problems existing in the known technology is: a movable working platform for bridge maintenance and reinforcement, including two walking mechanisms, a climbing ladder and an operating platform; The running gear is respectively in rolling friction connection with the anti-collision guardrails on both sides of the bridge, one of the running gears is connected with the ladder, and the ladder is arranged between the running gear and the operating platform and rolls with the corresponding crash guardrail Friction connection; the walking mechanism includes a door-type body straddling the anti-collision guardrail, the door-type body is provided with a top frame, an outer frame and an inner frame, and a walking roller I is installed under the top frame. The walking roller I is in rolling friction connection with the upper surface of the steel plate, and the steel plate is placed on the top surface of the anti-collision barrier; a side pulley I is provided on the inner side of the inner frame and the outer frame, and the side pulley Ⅰ is connected with the side surface of the anti-collision guardrail by rolling friction; a side positioning mechanism and a hanging ear plate are provided on the door type body, and a steel wire rope is hung on the hanging ear plate, and a hand pull is connected to the steel wire rope. Hoists, the chain hoists arranged in a rectangular lattice are connected to the four corners of the operating platform; when there is one anti-collision barrier connected to the traveling mechanism, the walking The outside of the bottom of the inner frame of the mechanism is provided with an overhanging counterweight base, and a counterweight is arranged on the counterweight base, and the hanging lug plate of the walking mechanism connected with an anti-collision guardrail is arranged on the The bottom of its outer frame; when the two anti-collision barriers connected to the running gear are back-to-back, the walking rollers I of the running gear connected to the two anti-collision barriers are arranged in parallel inside and outside Two groups, the steel plates corresponding to the two groups of walking rollers I are arranged in parallel inside and outside, and the hanging lugs of the walking mechanism connected with the two crash barriers are arranged on its top frame.

The side positioning mechanism includes a top plate pressed against the side of the anti-collision guardrail, the top plate is fixedly connected to the inner end of the screw rod, the screw rod passes through the positioning steel pipe, and the positioning steel pipe is fixedly connected to the door type body Above, the screw rod is locked on the positioning steel pipe with a threaded buckle.

The ladder is provided with a ladder body, and a hook is provided on the top of the ladder body, and a walking roller II is installed under the top hook, and the walking roller II is in rolling friction connection with the corresponding steel plate; The inner side of the side pulley II is provided with a side pulley II, and the side pulley II is in rolling friction connection with the side surface of the corresponding anti-collision guardrail.

The advantages and positive effects of the utility model are: the anti-collision guardrail is used as the track of the traveling mechanism, the operating platform is suspended under the bridge by using the traveling mechanism and the chain hoist connected thereto, the working platform is built quickly, the movement is convenient, and the operating platform is saved. It is time-saving and labor-saving, and can realize efficient treatment of bridge girder floor defects; simple structure and convenient manufacture; basically does not need to occupy large machinery, and is economical to use; simple construction and high efficiency; It is not restricted by the traffic conditions under the bridge, and has strong adaptability; compared with other forms of working platforms, the utility model only occupies the shoulder of the bridge deck, basically does not affect the traffic on the bridge deck, has good social and economic benefits, and has great advantages in bridge construction. Promote prospects.

Description of drawings

Fig. 1 is the front view of the utility model application;

Fig. 2 is the structural representation of the walking mechanism that the utility model is connected with an anti-collision guardrail;

Fig. 3 is the front view of Fig. 2;

Fig. 4 is the structural representation of the walking mechanism that the utility model is connected with two anti-collision barriers;

Fig. 5 is the front view of the walking mechanism connected with two anti-collision guardrails and the climbing ladder of the utility model;

Figure 6 is a side view of Figure 5;

Fig. 7 is a top view of the ladder of the present invention.

In the figure: 1, walking structure; 1-1, walking roller Ⅰ; 1-2, side pulley Ⅰ; 1-3, top frame; 1-4, outer frame; 1-5, inner frame; 1-6, positioning Steel pipe; 1-7, screw rod; 1-8, threaded buckle; 1-9, top plate; 1-10, hanging ear plate; 1-11, steel plate; 1-12, counterweight base; 1-13, distribution Heavy; 2. Walking structure; 2-1, Walking roller Ⅰ; 2-2, Side pulley Ⅰ; 2-3, Top frame; 2-4, Outer frame; 2-5, Inner frame; 2-6, Positioning steel pipe ;2-7, screw rod; 2-8, threaded buckle; 2-9, top plate; 2-10, hanging ear plate; 2-11, steel plate; 2. Side pulley II; 4. Steel wire rope; 5. Chain hoist; 6. Operating platform; 7. Anti-collision guardrail.

detailed description

In order to further understand the invention content, characteristics and effects of the present utility model, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

Please refer to FIGS. 1 to 7 , a movable working platform for bridge repair and reinforcement, including two traveling mechanisms 1 and 2 , a climbing ladder 3 and an operating platform 6 .

The two running gears 1 and 2 are respectively in rolling friction connection with the anti-collision guardrails 7 on both sides of the bridge, and one of the running gears 1 or 2 is connected with the ladder 3, and the ladder 3 is arranged between the running gear and the ladder 3. Between the above-mentioned operating platforms 6 and with the corresponding anti-collision guardrail 7 rolling friction connection.

The running gear 1 and 2 include a portal body straddling the crash barrier 7, and the portal body is provided with a top frame 1-3, 2-3, an outer frame 1-4, 2-4 and an inner frame 1-5, 2-5, under the top frame 1-3, 2-3, there are traveling rollers I1-1, 2-1 installed, and the traveling rollers I1-1, 2-1 and the steel plate 1-11 , 2-11 upper surface rolling friction connection, the steel plate 1-11, 2-11 is placed on the top surface of the crash barrier 7; in the inner frame 1-5, 2-5 and the outer frame The inner sides of 1-4 and 2-4 are provided with side pulleys I1-2 and 2-2, and said side pulleys I1-2 and 2-2 are in rolling friction connection with the side surface of the anti-collision guardrail 7.

A side positioning mechanism and hanging lugs 1-10, 2-10 are provided on the portal body, and steel wire ropes 4 are hung on the hanging lugs 1-10, 2-10. Chain hoists 5 are connected, and the chain hoists 5 arranged in a rectangular lattice are connected to the four corners of the operation platform 6 .

When the bridge was a single-width bridge, an anti-collision barrier 7 was respectively provided on both sides of the single-width bridge; The structure of the running gear 1 connected to the crash barrier 7 is slightly different from that of the running gear 2 connected to the two crash barriers 7 .

An outstretched counterweight base 1-12 is provided on the outside of the bottom of the inner frame 1-5 of the walking mechanism 1 connected to a crash barrier, and a counterweight 1 is arranged on the counterweight base 1-12. -13, the hanging lug 1-10 of the running gear 1 connected to a crash barrier 7 is arranged at the bottom of its outer frame 1-4.

The walking rollers I2-1 of the walking mechanism 2 connected to the two anti-collision guardrails 7 are two groups arranged in parallel inside and outside, and the steel plates 2-11 corresponding to the two groups of walking rollers I2-1 are parallel inside and outside Two arranged, the hanging lugs 2-10 of the running gear 2 connected to the two crash barriers 7 are arranged on its top frame 2-3.

In this embodiment, the side positioning mechanism includes top plates 1-9, 2-9 pressed against the sides of the crash barrier 7, and the top plates 1-9, 2-9 are fixedly connected to the screw rods 1-7, The inner end of 2-7, the screw rods 1-7, 2-7 pass through the positioning steel pipes 1-6, 2-6, and the positioning steel pipes 1-6, 2-6 are fixedly connected to the portal body , the screw rods 1-7, 2-7 are locked on the positioning steel pipes 1-6, 2-6 by threaded buckles 1-8, 2-8. The ladder 3 is provided with a ladder body, a hook is provided on the top of the ladder body, and a walking roller II 3-1 is installed below the top hook, and the walking roller II 3-1 is connected to the corresponding steel plate 1-11 or 2-11 Rolling friction connection; a side pulley II 3-2 is provided inside the ladder body, and the side pulley II 3-2 is in rolling friction connection with the side surface of the corresponding anti-collision guardrail 7 .

Although the preferred embodiment of the utility model has been described above in conjunction with the accompanying drawings, the utility model is not limited to the above-mentioned specific implementation, and the above-mentioned specific implementation is only illustrative and not restrictive. Under the enlightenment of the utility model, those skilled in the art can also make many forms without departing from the purpose of the utility model and the protection scope of the claims, and these all belong to the protection scope of the utility model.

Claims (3)

1. a kind of Transportable type workbench for Bridge repair and reinforcement, it is characterised in that including two walking mechanisms, one Cat ladder and an operating platform；

Two walking mechanisms are connected with the anticollision barrier rolling friction of bridge both sides respectively, one of them described walking mechanism It is connected with the cat ladder, the cat ladder is arranged between the walking mechanism and the operating platform and is rolled with corresponding anticollision barrier Dynamic friction connects；

The walking mechanism includes the gate-type body being crossed on anticollision barrier, and the gate-type body is provided with top frame, outside Framework and inner frame, are provided with the upper table of walking roller I, the walking roller I and steel plate below the top frame Face rolling friction connection, the steel plate are seated on the top surface of anticollision barrier；In the inner frame and the lateral frame Inner side is equipped with side roller I, and the side roller I is connected with the side surface rolling friction of anticollision barrier；

Side positioning mechanism and hanging otic placode are provided with the gate-type body, on the hanging otic placode, steel wire rope is linked with, it is described Chain block is connected with steel wire rope, the chain block of rectangular dot matrix arrangement is connected to four angles of the operating platform Portion；

When the anticollision barrier being connected with the walking mechanism is one, the walking mechanism being connected with an anticollision barrier The bottom outside of the inner frame is provided with overhanging counter weight base, on the counter weight base is provided with counterweight, anti-with one The hanging otic placode for hitting the walking mechanism of guardrail connection is arranged on the bottom of its lateral frame；

When the anticollision barrier being connected with the walking mechanism is back-to-back two, the row being connected with two anticollision barriers The walking roller I for walking mechanism is inside and outside two groups for being arranged in parallel, and the steel plate corresponding with two groups of walking rollers I is interior Two for being arranged in parallel outward, the hanging otic placode of the walking mechanism being connected with two anticollision barriers are arranged on its top On framework.

2. the Transportable type workbench for Bridge repair and reinforcement according to claim 1, it is characterised in that the side Detent mechanism includes the top board being pressed on anticollision barrier side, and the top board is fixed in the inner of screw mandrel, and the screw mandrel is passed through Positioning steel tube, the positioning steel tube are fixed on the gate-type body, and the screw mandrel is locked in the positioning steel tube using screw thread On.

3. the Transportable type workbench for Bridge repair and reinforcement according to claim 2, it is characterised in that described to climb Ladder is provided with cat ladder body, at the top of the cat ladder body is provided with hook, and at top, the lower section of hook is provided with walking roller II, The walking roller II is connected with the corresponding steel plate rolling friction；Side roller II is provided with the inside of the cat ladder body, The side roller II is connected with the side surface rolling friction of corresponding anticollision barrier.