CN2311507Y

CN2311507Y - Double-cylinder rail-drawing device

Info

Publication number: CN2311507Y
Application number: CN 97222156
Authority: CN
Inventors: 王振
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-07-31
Filing date: 1997-07-31
Publication date: 1999-03-24
Anticipated expiration: 2007-07-31

Abstract

The utility model relates to a double-cylinder rail-drawing device which solves the problems of the existing rail-drawing devices that the structure is complicated, the volume is big, rails are not clamped tightly, and the existing rail-drawing devices are difficult to load and unload, inconvenient to transport and unsuitable for on-site operation. The utility model comprises two fixed machine seats, two sets of clamping tapered irons are arranged on the inner sides of the machine seats, the middles of the machine seats are provided with two sets of oil cylinders which are provided with piston rods, the oil cylinders are respectively connected to the machine seats by pins, and the two ends of the oil cylinders are provided with oil pipes which are respectively connected with the reversing valves of hydraulic pump stations. The utility model is particularly suitable for field operations. When the machine seats are reversely installed, the utility model can be applied to rail gap adjusting operation.

Description

Twin-tub draws the rail device

The utility model belongs to way and structures, and particularly a kind of twin-tub draws the rail device.

Existing be used for the rail device that draws that rail stress diffuses effect and have two kinds, a kind of is to have cover plate up and down, and middle drawing with eccentric wheel held the web of the rail under the arm; This rail device that draws when use installing, the beneath ballast aggregate of overstepping the limit clearly, comparatively time-consuming, it is insecure that it holds rail under the arm with eccentric wheel, easily loose in operation process, influences operation.Another kind is to substitute with the rail welding machine seat to hold tool under the arm, needs pulling force big because rail diffuses operation, and its rail welding machine seat holds be can't stand, fragile, the flange of rail ballast aggregate down that also needs when mounted to tap clearly, and the loading and unloading difficulty, carrying is inconvenient, is unsuitable for field operation.

The purpose of this utility model is to solve above-mentioned existing existing problem, provides a kind of twin-tub easy to install to draw the rail device.

The utility model is achieved in that to have two fixedly supports, is provided with two groups in the support inboard and holds tight wedge under the arm.In the middle of two supports, there are two groups of oil cylinders that have piston rod to be connected on the support with pin respectively, are provided with oil pipe at the two ends of oil cylinder and are connected with the hydraulic power unit reversal valve respectively.

Advantage of the present utility model is that two supports all can be turned 180 ° of installation exercises, plays the effect of drawing rail and pushing away rail.Two supports are held under the arm on tread with the wedge that has boss, guarantee that support is not twisted.Need not take off the ballast aggregate mounting base, loading, unloading are convenient; Be specially adapted to field operation.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the A-A sectional view of Fig. 1;

Describe in detail below in conjunction with accompanying drawing:

As shown in the figure, the utlity model has two fixedly supports 1, be placed on earlier during use on the tread, then with two groups of firm holding under the arm tightly on tread of 4 wedges.In the middle of two supports 1, there are two groups of oil cylinders 3 that have piston rod to be connected on the support 1 with pin 4 respectively, are provided with oil pipe 5 at the two ends of oil cylinder 3 and are connected with the hydraulic power unit reversal valve respectively with oil pipe 6.When starting hydraulic power unit when oil pipe 5 is given hydraulic oil, oil pipe 6 oil returns, affect piston rod to contract inwards, the support that rail is held in drive under the arm also moves inwards, so just, two one steel rails that distance is arranged are moved to together and with splice bar and fish-bolt two one steel rails are linked together then, unload twin-tub at last and draw the rail device, rail stress diffuses operation and finishes.Otherwise, two supports are respectively changeed 180 ° to be placed on the tread, install as above-mentioned method, start hydraulic power unit to oil pipe 6 oil supply, oil pipe 5 oil returns, piston rod is released two supports be connected with piston rod by pressure oil and is being seized two one steel rails on both sides by the arms and outwards move the needed rail gap of appearance between two rail heads like this, unload this machine then, promptly finished rail gap and adjusted operation.

Claims

1, a kind of twin-tub draws the rail device, has two fixedly supports, it is characterized in that, is provided with two groups in the support inboard and holds tight wedge under the arm; In the middle of two supports, there are two groups of oil cylinders that have piston rod to be connected on the support with pin respectively, are provided with oil pipe at the two ends of oil cylinder and are connected with the hydraulic power unit reversal valve respectively.