CN209836770U - Landing stage turns to device - Google Patents

Abstract

The utility model provides a landing stage turns to device, include the landing stage that constitutes by preceding approach, main girder and approach, preceding approach and back approach are articulated with both ends around the main girder respectively, and back approach both sides are equipped with removes the wheelset, remove the wheelset box that the wheelset includes free rotation, are equipped with in the wheelset box and remove the wheel, and back approach middle part is equipped with the crossbeam, the crossbeam middle part is equipped with the fixing base, and the articulated translation hydro-cylinder that has the telescopic link in fixing base both ends, the articulated push rod of telescopic link, the articulated wheelset box of the other end of push rod, the utility model discloses can the translation hydro-cylinder promote the push rod, the wheelset box rotates between 0 to 90 to reach the direction that changes the removal wheel, the starter motor orders about the landing stage and turns to the removal, realizes that the landing stage turns to the removal faster, improves work efficiency, the utility model discloses simple structure, convenient operation.

Description

Landing stage turns to device

Technical Field

The utility model relates to a landing stage translation technical field, concretely establishes and relates to landing stage turns to device.

Background

The invert trestle is very general in tunnel construction application, and basically all is some traditional simple and easy steel construction that needs external force to drag, also has some construction enterprises to carry out modernization to it, makes it have certain automation function such as walking certainly, but is in 12 meters spans basically, also has the unit of individual construction to increase the construction span to 24 meters, but the sideslip mechanism that basically adopts turns to and makes the efficiency of construction greatly reduced. At present, a large-span trestle bridge 'Sichuan initiative tunnel mechanical equipment Limited' patent number 'CN 105041338U' relatively adapts to market demands, and a transverse moving mechanism is complex and heavy in structure, slow in steering and greatly reduced in working efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the landing stage turns to and removes slowly, and work efficiency is low, for solving above-mentioned problem, the utility model provides a landing stage turns to device.

The purpose of the utility model is realized with the following mode:

the utility model provides a landing stage turns to device, includes the landing stage that constitutes by preceding approach, main axle and approach, and preceding approach and back approach are articulated with both ends around the main axle respectively, and back approach both sides are equipped with removes the wheelset, and it includes free rotation's wheelset box to remove the wheelset, is equipped with in the wheelset box and removes the wheel, and back approach middle part is equipped with the crossbeam, the crossbeam middle part is equipped with the fixing base, and the articulated translation hydro-cylinder that has the telescopic link in fixing base both ends, the articulated push rod of telescopic link, the articulated wheelset box of the other end of push rod.

One side of the wheel set box body is connected with a hydraulic motor, and the hydraulic motor drives the movable wheel to rotate.

An oil cylinder support is arranged at the extending end of the translation oil cylinder, a sliding rail is arranged on one side, away from the fixing seat, of the oil cylinder support, and the telescopic rod is connected with the sliding rail through a sliding block.

The push rod includes sliding sleeve and loop bar, the loop bar alternates inside the sliding sleeve, and the sliding sleeve both sides are equipped with rectangular hole, and the loop bar passes through bolted connection with the sliding sleeve, and the bolt runs through rectangular hole, and wheelset box is connected to sliding sleeve one end, and loop bar one end articulates the telescopic link.

The movable wheel set further comprises a lifting sliding sleeve and a lifting oil cylinder, one end of the lifting oil cylinder is hinged to the lifting sliding sleeve, the other end of the lifting oil cylinder is connected with a rear approach bridge, and a wheel set box body is hinged to the lower portion of the lifting sliding sleeve.

The translation oil cylinder and the lifting oil cylinder are both hydraulic oil cylinders.

Compared with the prior art, the utility model discloses can the translation hydro-cylinder promote the push rod, the wheelset box rotates between 0 to 90 to reach the direction that changes the removal wheel, the starter motor orders about the landing stage and turns to the removal, realizes that the landing stage turns to the removal very fast, improves work efficiency, the utility model discloses simple structure, convenient operation, the usage is extensive, very easily promotes.

Drawings

Fig. 1 is a schematic structural diagram of a trestle.

Fig. 2 is a sectional view taken in the direction B in fig. 1.

FIG. 3 is a schematic view of a lifting structure of the movable wheel set of FIG. 2

Fig. 4 is a top view of fig. 3.

Fig. 5 is a schematic view of the structure of the moving box of fig. 4 rotated by 90 °.

Fig. 6 is an enlarged schematic view of a in fig. 1.

Fig. 7 is a schematic structural view of the push rod.

Fig. 8 is a schematic view of the structure of the loop bar.

The device comprises a rear approach bridge 1, a cross beam 2, a fixed seat 3, a translation oil cylinder 4, a telescopic rod 5, an oil cylinder support 6, a sliding block 7, a push rod 8, a movable wheel set 9, a sliding rail 10, a main bridge 100, a front approach bridge 101, a sliding sleeve 81, a sleeve rod 82, a bolt 83, a strip hole 84, a wheel set box 91, a lifting sliding sleeve 92, a lifting oil cylinder 93 and a movable wheel 94.

Detailed Description

As shown in the accompanying drawings 1 to 8, a trestle steering device comprises a trestle consisting of a front approach axle 101, a main axle 100 and a rear approach axle 1, wherein the front approach axle 101 and the rear approach axle 1 are respectively hinged with the front end and the rear end of the main axle 100, two sides of the rear approach axle 1 are provided with a movable wheel set 9, the movable wheel set 9 comprises a wheel set box body 91 capable of rotating freely, a movable wheel 94 is arranged in the wheel set box body 91, the middle part of the rear approach axle 1 is provided with a cross beam 2, the middle part of the cross beam 2 is provided with a fixed seat 3, two ends of the fixed seat 3 are hinged with a translation oil cylinder 4 with a telescopic rod 5, the telescopic rod 5 is hinged with a.

Stretch out the end at translation hydro-cylinder 4 and be equipped with hydro-cylinder support 6, one side that fixing base 3 was kept away from to hydro-cylinder support 6 is equipped with slide rail 10, and slide rail 10 is connected through slider 7 to telescopic link 5, and the other end of the fixed translation hydro-cylinder 4 of hydro-cylinder support 6 makes translation hydro-cylinder 4 parallel with crossbeam 2, and translation hydro-cylinder 4's telescopic link 5 removes along slide rail 10, prevents that push rod 8 atress from too big bending deformation that causes.

The push rod 8 comprises a sliding sleeve 81 and a loop bar 82, the loop bar 82 is inserted into the sliding sleeve 81, two sides of the sliding sleeve 81 are provided with a long hole 84, the loop bar 82 is connected with the sliding sleeve 81 through a bolt 83, the bolt 83 penetrates through the long hole 84, one end of the sliding sleeve 81 is connected with a wheel set box 91, one end of the loop bar 82 is hinged with the telescopic rod 5, the push rod 8 is composed of the loop bar 82 and the sliding sleeve 81, the sliding sleeve 81 is provided with a long hole 84, the bolt 83 penetrates through the long hole 84 to make the loop bar 82 partially slide in the sliding sleeve 81, the length of the push rod 8 is extended, the push rod 8 is connected with the wheel set box 91, the wheel set box 91 is hinged with a lifting sliding sleeve 92, the lifting cylinder 93 drives the wheel set box 91 to lift, when the wheel set of the trestle is steered as shown in figure 3, that is the lifting cylinder 93 drives the wheel set box 91 to lift, when the trestle moves, as shown in, the sliding sleeve 81 of the push rod 8 is provided with a long hole 84 to prevent interference with the lifting and lowering of the wheel set case 91.

The movable wheel set 9 further comprises a lifting sliding sleeve 92 and a lifting oil cylinder 93, one end of the lifting oil cylinder 93 is hinged to the lifting sliding sleeve 92, the other end of the lifting oil cylinder 93 is connected with the rear approach axle 1, a wheel set box body 91 is hinged to the lower portion of the lifting sliding sleeve 92, lifting and descending of the movable wheel 94 are controlled, and suspended steering is achieved.

Hydraulic motor is connected to wheelset box 91 one side, and hydraulic motor drive removes wheel 94 and rotates, and translation hydro-cylinder 4 and lift cylinder 93 are hydraulic cylinder, and hydraulic motor provides kinetic energy for removing wheel 94, makes the landing stage remove, and hydraulic cylinder thrust is big, and the type is more, the selection of being convenient for.

The working process of the utility model is as follows: the telescopic link 5 of translation hydro-cylinder 4 stretches out, the hydro-cylinder support is connected to telescopic link 5, telescopic link 5 removes along the slide rail, telescopic link 5 releases both sides with push rod 8, push rod 8 is articulated with wheelset box 91 one side, push rod 8 promotes one side of wheelset box 91, make wheelset box 91 rotate at 0 to 90, until removing the wheel and rotate 90, promote under push rod 8 at translation hydro-cylinder 4, wheelset box 91 rotates between 0 to 90, thereby reach the direction that changes the landing stage and remove the wheel, starter motor orders about and removes the wheel, it is very fast to realize that the landing stage turns to the removal, and the work efficiency is improved.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.

Claims (6)

1. The utility model provides a landing stage turns to device, includes the landing stage that constitutes by preceding approach, main bridge and approach, and preceding approach and back approach are articulated its characterized in that with both ends around the main bridge respectively: the rear approach bridge is characterized in that moving wheel sets are arranged on two sides of the rear approach bridge and comprise free-rotating wheel set boxes, moving wheels are arranged in the wheel set boxes, a cross beam is arranged in the middle of the rear approach bridge, a fixing seat is arranged in the middle of the cross beam, two ends of the fixing seat are hinged to translation oil cylinders with telescopic rods, the telescopic rods are hinged to push rods, and the other ends of the push rods are hinged to the wheel set boxes.

2. The device for turning the trestle bridge according to claim 1, wherein a hydraulic motor is connected to one side of the box body of the wheel set, and the hydraulic motor drives the moving wheel to rotate.

3. The trestle turning device of claim 1, wherein an oil cylinder bracket is arranged at the extending end of the translation oil cylinder, a slide rail is arranged on one side of the oil cylinder bracket away from the fixed seat, and the telescopic rod is connected with the slide rail through a slide block.

4. The trestle steering device according to claim 1, wherein the push rod comprises a sliding sleeve and a sleeve rod, the sleeve rod is inserted in the sliding sleeve, two sides of the sliding sleeve are provided with elongated holes, the sleeve rod is connected with the sliding sleeve through bolts, the bolts penetrate through the elongated holes, one end of the sliding sleeve is connected with the wheel set box body, and one end of the sleeve rod is hinged with the telescopic rod.

5. The trestle steering device according to claim 1, wherein the moving wheel set further comprises a lifting sliding sleeve and a lifting oil cylinder, one end of the lifting oil cylinder is hinged with the lifting sliding sleeve, the other end of the lifting oil cylinder is connected with a rear approach bridge, and a wheel set box is hinged below the lifting sliding sleeve.

6. The trestle turning device of claim 5, wherein the translation cylinder and the lifting cylinder are both hydraulic cylinders.