CN206956561U - A kind of truss combined deck unit erection gantry walking mechanism - Google Patents

Abstract

The utility model discloses a walking mechanism of a truss combined type cable-loaded crane, which belongs to the technical field of cable-loaded cranes. The walking mechanism of the truss combined cable-loaded crane includes a traction device, a truss, a traveling wheel and a telescopic guide device. The truss is formed by splicing multiple short trusses in the horizontal direction. The walking wheels are arranged at the bottom of the truss, the telescopic guiding device is arranged in the truss and connected with the walking wheels, and the bottom of the truss is different from the walking wheels and also has a supporting arm The supporting feet are set on the same horizontal line as the walking wheels, and the upper surface of the truss is also provided with fork ears connected with the main beam. The utility model adopts the spliced combined truss as the main body of the cable-loaded crane walking mechanism, and replaces the original integral walking mechanism body with a spliced truss, which greatly facilitates the transportation and hoisting during the construction of the suspension bridge.

Description

A truss-combined cable-loaded crane traveling mechanism

technical field

The utility model relates to the technical field of cable-loaded cranes, in particular to a walking mechanism of a truss-combined cable-loaded crane.

Background technique

The cable-mounted crane is a device that uses the existing main cable of the suspension bridge to support, and can walk, move and hoist on the main cable. Including cable-mounted cranes for unloaded walking and positioning hoisting, and integrated cable-mounted cranes for frame transport. Its structure mainly includes truss girder and walking mechanism. In the walking mechanism, the wheel-rolling walking type is the most important structural form. The current wheel-rolling walking mechanism adopts an integral structure made of steel plates and stiffeners. This kind of walking mechanism is large in size and heavy in weight. In the process of transportation, it often needs to be transported with extra width and weight, and the requirements for the equipment in the process of on-site hoisting are high.

Utility model content

In view of the above problems, the purpose of this utility model is to provide a truss combined type cable-loaded crane walking mechanism, by using a spliced and combined truss as the main body of the cable-loaded crane walking mechanism, the original integral walking mechanism body is replaced The spliced truss greatly facilitates the transportation and hoisting during the construction of the suspension bridge.

In order to achieve the above object, the technical solution adopted by the utility model is:

A walking mechanism of a truss combined type cable-loaded crane, including a traction device, a truss, a traveling wheel and a telescopic guide device. The truss is formed by splicing multiple short trusses in the horizontal direction. end, the traveling wheels are arranged at the bottom of the truss, the telescopic guiding device is arranged in the truss and connected with the traveling wheels, the bottom of the truss is different from the traveling wheels and there is also a support The supporting feet are arranged on the same horizontal line as the traveling wheels, and the upper surface of the truss is also provided with fork ears connected with the main beam of the suspension bridge.

Further, there are two traction devices, and the two traction devices are respectively arranged at the front and rear ends of the truss. The traction devices include a movable pulley and a traction rope, and the movable pulley is arranged at the end of the truss. The traction rope is wound on the movable pulley and connected with the truss.

Further, there are two traction devices, and the two traction devices are respectively provided at the front and rear ends of the truss, the traction devices include jacks and steel strands, and the jacks are provided at the ends of the truss , the steel strand is connected to the jack and connected to the truss.

Further, there are multiple telescopic guiding devices, the number of the traveling wheels is the same as that of the telescopic guiding devices, and a plurality of limiting grooves are arranged at intervals in the truss, and a plurality of the telescopic guiding devices correspond to It is arranged in a plurality of said limiting grooves.

Further, the telescopic guide device includes a telescopic oil cylinder and a guide block that are both arranged in the truss, and a through hole is opened on the guide block, and the telescopic oil cylinder passes through the through hole of the guide block and the walking wheel connection.

Further, there are a plurality of support legs, and the plurality of support legs are respectively arranged at intervals between the plurality of traveling wheels.

Further, the bottom of the truss is provided with multiple rows of connection holes for installing the support legs, the connection holes are arranged along the length direction of the truss, and the number of the connection holes is more than that of the support legs quantity.

Further, the material used for the truss is section steel, and the materials used for the traveling wheels, the supporting legs and the guide block in the telescopic guide device are all aluminum alloy materials.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

(1) In the utility model, by adopting the spliced and combined truss as the main body of the cable-carried crane walking mechanism, the original integral walking mechanism body is replaced by a spliced truss, which greatly facilitates the transportation and hoisting during the construction of the suspension bridge .

(2) The utility model achieves light weight and reduces the pressure between the traveling wheel and the main cable through the combined use of profiled steel and aluminum alloy materials. Moreover, the supporting legs are set to be movable and installed, which adapts to the working conditions where the center of gravity of the main beam of the bridge deviates from the installation position.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the exploded view of the utility model embodiment;

Fig. 3 is a top view of the truss in the utility model.

In the figure, 1-traction device, 11-moving pulley, 12-traction line, 2-truss, 21-short truss, 3-traveling wheel, 4-telescopic guide device, 41-telescopic cylinder, 42-guide block, 5-support Holding feet, 6-fork ears, 7-limiting slots.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example

As shown in Figures 1-3, a truss-combined cable-mounted crane traveling mechanism is used in the construction of a suspension bridge, including a traction device 1 for traction and walking, a truss 2, a walking wheel 3 and a telescopic guide device 4, and the truss 2 is composed of multiple sections. The short trusses 21 are spliced in the horizontal direction, the traction device 1 is arranged at the end of the truss 2, the traveling wheels 3 are arranged at the bottom of the truss 2, the telescopic guiding device 4 is arranged in the truss 2 and connected with the traveling wheels 3, the truss 2 The bottom of the bottom is different from the walking wheel 3 and is also provided with a supporting foot 5. The supporting foot 5 and the walking wheel 3 are arranged on the same horizontal line. The supporting foot 5 is used to hold the main cable of the suspension bridge, and the walking wheel 3 is arranged on the suspension bridge. on the main cable. The upper surface of the truss 2 is also provided with lugs 6 connected to the main beams in the suspension bridge. Wherein, two traction devices 1 are provided, and the two traction devices 1 are respectively provided at the front and rear ends of the truss 2 . In this embodiment, the traction device 1 includes a movable pulley 11 and a traction rope 12 (the present embodiment adopts a steel wire rope as the traction rope 12), the movable pulley 11 is arranged at the end of the truss 2, and the traction rope 12 is wound around the movable pulley 11 and connected with the truss 2 , through the rotation of the movable pulley 11 and the traction of the traction rope 12, the walking of the whole traveling mechanism is driven. Of course, the traction device 1 in other embodiments can also be configured to include a jack and a steel strand, the jack is arranged at the end of the truss, and the steel strand is connected to the jack and the truss. In the embodiment of the utility model, the spliced and combined truss 2 is used as the main body of the traveling mechanism of the cable-loaded crane, and the original integral walking mechanism main body is replaced with a spliced truss, which greatly facilitates the transportation and hoisting during the construction of the suspension bridge. .

Further, the telescopic guide device 4 in this embodiment includes a telescopic oil cylinder 41 and a guide block 42 both arranged in the truss 2, wherein the telescopic oil cylinder 41 is vertically arranged in the truss 2, and the guide block 2 is horizontally arranged in the truss 2 And the guide block 2 is provided with a through hole, the telescopic oil cylinder 41 passes through the through hole of the guide block 42 and is connected with the road wheel 3, and the telescopic oil cylinder 41 is stretched in the guide block 42 to drive the road wheel 3 to perform telescopic movement to form The telescopic traveling wheel is convenient for the traveling wheel 3 to span the cable clip and the like. At the same time, the material used in the truss 2 is shaped steel, and the materials used in the walking wheels 3, the supporting legs 5 and the guide block 42 in the telescopic guide device are all aluminum alloy materials. By combining the shaped steel and aluminum alloy materials, light weight, The function of reducing the pressure between the traveling wheel and the main cable.

Further, there are multiple telescopic guides 4, the number of traveling wheels 3 is the same as the number of telescopic guides 4, and a plurality of limit grooves 7 are arranged at intervals in the truss 2, and a plurality of telescopic guides 4 are correspondingly arranged on multiple In the limiting groove 7. In this embodiment, the number of limiting grooves 7 is four, and then according to the assembly relationship, the number of telescopic guiding devices 4 and traveling wheels 3 is also four.

Further, there are a plurality of supporting legs 5 , and the supporting legs 5 are respectively arranged at intervals between the plurality of traveling wheels 3 . In this embodiment, there are four walking wheels 3 and three supporting feet 5, and the three supporting feet 5 are respectively spaced between the four walking wheels 3, so that the utility model truss combined cable-carried The stability of the crane traveling mechanism is higher.

Further, the bottom of the truss 2 in this embodiment is provided with multiple rows of connection holes (not shown) for installing the support legs 5, the connection holes are arranged along the length direction of the bottom of the truss 2, the number of connection holes More than the number of supporting legs 5, so that the supporting legs 5 can be moved and installed to adapt to the working condition that the center of gravity of the main girder of the bridge deviates from the installation position. Therefore, the supporting legs can be installed at multiple positions along the longitudinal direction of the traveling mechanism for position adjustment.

Claims (8)

1. a kind of truss combined deck unit erection gantry walking mechanism, it is characterised in that including draw-gear, truss, road wheel and stretch Contracting guider, the truss are spliced in the horizontal direction by the short truss of multistage, and the draw-gear is located at the truss End, the road wheel is located at the bottom of the truss, the telescopic guide in the truss and with the row Wheel connection is walked, pin is embraced in the bottom of the truss different from support is additionally provided with the road wheel, and pin and the walking are embraced in the support For wheel in same horizontal line, the upper surface of the truss is additionally provided with the fork ear being connected with the main beam of suspension bridge.

2. truss combined deck unit erection gantry walking mechanism according to claim 1, it is characterised in that the draw-gear is Two, two draw-gears are respectively arranged on the rear and front end of the truss, and the draw-gear includes movable pulley and traction Rope, the movable pulley are located at the end of the truss, and the pull rope is around on the movable pulley and is connected with the truss.

3. truss combined deck unit erection gantry walking mechanism according to claim 1, it is characterised in that the draw-gear is Two, two draw-gears are respectively arranged on the rear and front end of the truss, and the draw-gear includes jack and steel twists Line, the jack are located at the end of the truss, and the steel strand wires are connected with the jack and are connected with the truss.

4. truss combined deck unit erection gantry walking mechanism according to claim 1, it is characterised in that flexible be oriented to fills It is set to multiple, the quantity of the road wheel is identical with the quantity of the telescopic guide, is interval with the truss multiple Stopper slot, multiple telescopic guides are respectively correspondingly arranged in multiple stopper slots.

5. truss combined deck unit erection gantry walking mechanism according to claim 4, it is characterised in that flexible be oriented to fills Telescopic oil cylinder and guide pad including being located in the truss are put, through hole, the telescopic oil cylinder are offered on the guide pad Through hole through the guide pad is connected with the road wheel.

6. truss combined deck unit erection gantry walking mechanism according to claim 4, it is characterised in that the support embraces pin and is Multiple, multiple supports are embraced pin and are respectively separated between multiple road wheels.

7. truss combined deck unit erection gantry walking mechanism according to claim 1, it is characterised in that the bottom of the truss Provided with multiple rows of connecting hole for being used to install the support armful pin, length direction of the connecting hole along the truss is set, described The quantity of connecting hole embraces the quantity of pin more than the support.

8. truss combined deck unit erection gantry walking mechanism according to claim 1, it is characterised in that used in the truss Material is shaped steel, and the material that the road wheel, support are embraced used in the guide pad in pin and telescopic guide is aluminium alloy material Material.