SU527498A1 - Hydropneumatic percussion device for the formation of wells in the ground - Google Patents

Description

(54) HYDROPNEUMATIC DEVICE FOR THE FORMATION OF WELLS IN SHOCK ACTION OF SOIL

rassyana karuzhkoi poverhaostyuyyzdypy-. 4 ring gutter 7 filled with a short circuit on the surface of the impact surface 2. A rampage of the bottom 4 of the cistern 4 with channels g, d, s. In the body of the Uaarmik 2, the cavity D is filled out into the drain; it is combined with a sl-sha pglechut with Channel 5,

3 front parts of Utsanak 2 ky.-polr;: Yeny grooves 3, & aa to 1Schea parpuskut during the acceleration of the acceleration of the gz of the subnet anvil of the housing 1 to the pertzii chist of drummer 2.

A cork 8 is placed in the housing for air bleeding B, the period of assembling the device to the supply air E and the last 10 uiiatrrK.

The device works the following way.

Under the action of the Crévérail of the C-yellow gas, filling the PJ-amoaccumules ddg 3. The impactor 2 is in the extreme left position, displacing the volume of breath from the cavity between the anvil of the corn bed 1 of the percussion part of the shock and the cavity E. Control valve 5 under the action of 6. not meeting the resistance from B. coccine's side with the discharge of channel 8, no, D, and channel Zh, is in the most extreme situation and with its head intersects channel o. Thus, the platoon p .:. ; -And drummer 2 poigot.8PEVs1e1x; to .. The lcd bone from the pressure source through channels g and a enters the platoon cavity A and, overcoming the resistance of the compressed gas in the pneumoaccumulator 3, cocks the impact device 2. Platoon prod. It is pressed until channel e, which supplies fluid to control cavity B, is not coeaKHHTCH with pressure channel via a cavity G placed in the body of the impactor 2. The liquid P1 begins to step into control cavity C,

Under the action of pressure, cavity B is filled with liquid, which causes the spring 6 to compress and the valve 5 is moved to the extreme left position, as a result of which channels from the half-open section A are opened, drainage begins into the emptying drain cavity B, which is formed when the body moves drummer 2, through the overflow channels biv. The time delay for opening the drain channels a is necessary for more reliable operation of the control chamber B, due to the introduction of the additional section X - the valve movement path when the drain channels are opened after the opening. The delay in opening the drain channels a due to the passage of the valve paths X allows to open the channel of a larger cavity to the tank;

Controls B, Kretle, the path of X X tslalak 5, let e - build it from the place and accelerate it, s rykkryva channels sliza and It, in turn, influences fast. (not fusible) opening of the drain channels. Shet conditions overclocking ukarnkka 2 pkevmoakkumultor. 3. Bol: it is opened by a 1 opening valve of 5 drain channels a and a conic sharpener K with a curvilinear generator: the front part of the valve 5, which uses the hydrodynamic forces of the outflowing liquid from canals and as an additional force the swing valve 5 at the first moment of opening the click in the channels a and its subsequent retention during the whole working stroke. At the beginning of the driving stroke of the striker 2, the channel e overlaps with the wall of the striker 2, to form a shorting of fluid in the control cavity, 5 ao of the end of the working stroke of the striker 2, i.e. before it comes into contact with the anvil of body 1, locking the fluid volume in ps-p; this control B 1 switches the potential of valve 5 to move during the working stroke.

At the end of the stroke, the striker 2 strikes the anvil of the housing 1, and the control channel B of the control cavity B is connected through cavity D and channel Ж to the drain cavity B. Prepare conditions for the spring 6 to displace the fluid volume from control cavity B and block the valve body 5 drainage channels However, the MHD of obtaining a clearer completion of the working stroke and impact provides for a delay in time for closing the channels a by valve 5 due to the inertial forces of the latter. It happens as follows. At the time of upara, the body of the striker 2 stops abruptly, and the body of valve 5 continues to move in the direction of impact of the compression of the spring 6. When the inertial forces are completed, the spring displaces the volume of fluid from cavity B, moving the valve to the right, which with its body closes the drain channels a. preparing the conditions for a new work cycle. The selection of channel sections and return spring is made by calculation.

Formula kzobretenk

A hydropneumatic impact device for the formation of wells in the ground, including a housing in which a fixed separating piston with a control valve, a hammer and a pneumatic accumulator are placed, and between the 5274 & 8 from the drummer and internal with katsaps, cavities

The surface of the body is formed by a platoon drain and a drain, as well as channels

cavity, and between the inner surface with control cavities, one

impactor and separation piston - a platoon of which is formed between the control

on the cavity, characterized by 5 valve to the inner surface of the tube, in order to reduce the inertia of the working piston, and the other between

device and simplify the design, the chamber surface separator

the pneumatic accumulator disg “is still in the annular groove made on the inside of the firing pin, and the separating piston is the surface of the firing pin.