RU2589778C1 - Device for snow compaction - Google Patents

Abstract

FIELD: machine building; construction.

SUBSTANCE: invention relates to machines for snow compaction in construction of snow-and-ice roads and unpaved airfields in winter time. Device for snow compaction, comprising trailed frame (1) with pneumo-compacting rollers arranged in two rows, and platform for tightening weight, frame (3) is additionally fixed to trailed frame (1) with vibration exciter (4), and pneumo-compacting rollers are made in form of pneumatic tyre rollers (6), wherein each is made of pneumatic tyres in framework housing (5), which is pivotally connected with frames (1, 3) by means of tie-rods (7, 8), V-like located relative to each other. Rod (7) on one side of each roller is pivotally connected to coupling frame (1), and second rod (8) is pivotally connected to frame vibration exciter (3). Device is equipped with roller (9) for application of antiskid notches, fixed by means of tie-rods (10) on trailed frame (1) behind pneumatic tyre rolls (6).

EFFECT: higher quality of snow compaction and operation efficiency.

1 cl, 2 dwg

Description

The invention relates to machines for compacting snow in the construction of ice roads and unpaved airfields in winter.

A device is known for sealing snow on roads, comprising a trailed frame with track rollers in the form of pneumatic tires, in front of and behind which rigid seals are installed having a curved surface, with the possibility of moving in the vertical plane by hydraulic cylinders (USSR Author's Certificate No. 1350234 A1, priority date 28.02. 1986, publication date 11/07/1987, authors: Karnaukhov N.N., Doroshenko I.G. et al., RU).

A disadvantage of the known analogue is the formation of a drawing prism in front of the rigid seal, as well as the absence of a vibration seal, which does not meet the requirements for high-quality snow compaction during the construction of ice roads.

A device for sealing road embankments, adopted as a prototype, comprising a trailed frame with pneumatic seals in the form of rollers located in the middle part in two rows, a grader knife for trimming the sealing strip, the front part of which is pivotally connected to the trailer frame, and the rear part is suspended from using hydraulic cylinders, and pneumatic rollers front and rear, connected to the trailed frame by hydraulic cylinders (USSR Author's Certificate No. 1810435 A1, priority date 01/01/1990, publication date 04/23/1993, authors: Karnaukhov NN, Mer ANTONOV MCCORMACK et al., RU, prototype).

The disadvantage of the prototype is the low quality of the seal due to the lack of vibration.

The objective of the invention is to improve the quality of compaction of snow and the efficiency of the device by changing the load on the surface to be treated under vibration and vibrational movements of pneumatic tires in the horizontal plane.

To solve the problem, in a device for compacting snow, containing a trailed frame with pneumatic sealing rollers arranged in two rows and a platform for loading, according to the invention, a frame with a vibration exciter is additionally attached to the trailed frame, and pneumatic sealing rollers are made in the form of pneumatic tire rollers, each of which formed of pneumatic tires in a frame housing, which is pivotally connected to the frames using rods, V-shaped in relation to each other, with one of the rods on one side each roller is pivotally connected to the trailed frame, and the second rod is pivotally connected to the frame of the vibration exciter, the device is also equipped with a roller for applying anti-skid notches, which are fixed by means of rods on the trailer frame to the pneumatic tire rollers.

The technical result obtained when solving the problem is to improve the quality of snow compaction and the efficiency of the device and is achieved through the use of vibrational vibrations that increase the degree of compaction of snow, the use of weights, which allows to increase the mass of the device as a whole, and also due to the additional roller for applying anti-skid notches. Vibrational vibrations can reduce the free space between snow particles, exciting their mutual displacements in space. In this case, the axial load arising along the rod connected to the exciter frame in the hinge assembly with the pneumatic tire drum body is decomposed into vertical and horizontal components and, acting on the lever, rotates it along the radius corresponding to the size of the rod, as a result of which the body moves together with the pneumatic tire roller a certain value along the traction force of the base machine, and a change in the axial load of the exciter in the opposite direction returns the pneumatic tire roller to its original position. Thus, the oscillatory movement of each pneumatic tire roll in the horizontal plane is performed, depending on the frequency of exposure to the vibration exciter, which leads to an increase in snow density and a decrease in the number of passes of the pneumatic tire rolls on the sealing surface. At the same time, the additional vertical pressure provided by the load makes it possible to increase the degree of impact of the pneumatic tire rollers on the surface.

In FIG. 1 shows a general view of a device for compacting snow; FIG. 2 - the same, top view.

The device for compaction of snow contains a trailed frame 1 with a load, a tow hitch 2, a frame of the vibration exciter 3 with a vibrator 4 mounted on it, two frame bodies 5 with pneumatic tire rollers 6, pivotally connected to the trailed frame 1 using rods 7 and with a frame of the vibration exciter 3 s using rods 8. In this case, rods 7, 8 are arranged in a V-shape with respect to each other to create oscillatory movements in the horizontal plane. The device also contains a roller 9 for applying anti-skid notches, fixed with rods 10 on the trailed frame 1 for pneumatic tire rollers 6.

A device for compacting snow works as follows.

The movement of the device on the surface is carried out using the base machine. The frame 1 of the device with the help of the towing device 2 is fixed to the towing bracket of the base machine. When the base machine moves, the pneumatic tire rollers 6 installed in the frame cases 5 have a sealing effect on the surface due to their own mass and an additional load located on the frame 1. In addition, the action of the vibrator 4 is rigidly mounted on the frame 3, articulated by rods 8 s each case 5 of pneumatic tire rollers 6, increases the effect of the impact of pneumatic tire rollers on snow due to the resulting vibrational movements of each housing 5 in the horizontal plane, so The axial load arising along the rods 8 in the hinge with the body 5 of the pneumatic tire rollers is decomposed into vertical and horizontal components, acting on the lever 7, rotates it along the radius R and moves the housing together with the pneumatic tire rollers separately from each other by a certain amount along the traction force base machine, and a change in the axial load of the exciter in the opposite direction returns the pneumatic tire rollers to their original position. To increase the coefficient of adhesion to the coating, a roller 9 is used to apply anti-skid notches.

Claims (1)

A device for compacting snow, comprising a trailed frame with pneumatic sealing rollers arranged in two rows and a platform for loading, characterized in that the frame with a vibration exciter is additionally attached to the trailed frame, and the pneumatic sealing rollers are made in the form of pneumatic tire rollers, each of which is formed of pneumatic tires in a frame case, which is pivotally connected to the frames using rods that are V-shaped relative to each other, while one of the rods on one side of each roller is pivotally connected to a chain frame, and the second link is pivotally connected to the frame of the vibration exciter, the device is also equipped with a roller for applying anti-skid notches, which are fixed by means of rods on the trailer frame to the pneumatic tire rollers.

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