RU180253U1 - SOCKET WRENCH WRENCH FOR TURNING OFF AND TURNING TERMINALS AND LOCKING BOLTS NUTS AND RAILWAY SCREWS - Google Patents

Abstract

For small amounts of work on loosening and tightening the nuts of terminal bolts and screws, hand-held end wrenches with fixed mounting of the plug on the head are used, and in order to rip the nut out of place, you have to resort to using an additional track fitter, which inserts the crowbar into the plug and helps to break the nut out of place . KSTU allows, due to the possibility of striking any force, to carry out this work alone. Due to the location of the handles on the ring, multiple key shifts are not required. The handle located in the center of the ring allows you to hold the key on the axis of the bolt of the unscrewed nut. There is practically no nut that cannot be unscrewed by one wrench of the path with this key.

Description

Impact socket wrench for unscrewing and tightening the nuts of terminal and embedded bolts, and railway track screws.

The technical field to which the utility model belongs.

The utility model relates to railway transport and is intended to facilitate manual labor and increase productivity when unscrewing and tightening the nuts of terminal and embedded bolts, and screws. The closest analogue of the claimed utility model is a socket wrench, known from CN 0204913704 U, B25B 13/06, 12/30/2015, abstract, FIG. 1-3.

Disclosure of a utility model.

The technical result consists in improving the end-wrench for unscrewing and tightening the nuts of the terminal and embedded bolts, and screws.

The result is achieved with an impact wrench (KSTU) for unscrewing and tightening the terminal and embedded bolt nuts, and railroad track screws containing an end head connected to the shaft in the form of a rod, on the top of which there is a removable ring with handles for performing key rotation, this end head is equipped with a U-shaped bracket, and between the top of the head and the horizontal crossbar of the U-shaped bracket is a movable disk, the diameter of which is equal to the diameter of the head to which is welded, connected with a rod, a two-horned fork with the ends lowered clasping the head, made with the possibility of free movement between the vertical side faces of the U-shaped bracket, which makes it possible to strike the side face of the bracket, which, in turn, causes the head to rotate in a circular motion around the vertical axis bolt and forces the nut to turn on the thread around the bolt.

Brief Description of the Drawings

The claimed utility model is illustrated by the drawing of FIG. 1, which shows an impact wrench (KSTU) in a preferred embodiment.

Utility Model Implementation

Key (KSTU) of FIG. 1. consists of: head 1, on the vertical walls of which a U-shaped bracket 2 is fixed, and between the top of the head and the horizontal bar of the bracket there is a movable disk 4 with a diameter equal to the diameter of the head to which a two-horned (preferably) rotary fork 3 is attached with its ends lowered covering the head, which, together with the vertical walls of the bracket, allows you to hold the movable disk, fork and rod on the axis of the head, a removable (for easy transportation) ring, with an eye diameter about 0.5 meters, on which the handles 5 are fixed, with which circular movements are made and transmitted through the rod to the fork, which, due to the free movement of the fork between the vertical walls of the bracket, impacts the side face of the bracket, which, in turn, leads to circular movement of the head mounted on the nut around the vertical axis of the bolt and forces the nut to turn on the thread around the bolt.

According to the utility model, the fork, unlike the traveling end wrench, is mounted on the movable disk, and not directly on the head, which allows the fork to move freely between the vertical walls of the bracket, thereby giving the ring speed v, and to strike with the fork on the side face of the bracket. Impact energy E = mv.

According to a useful model, the handles are located on a removable (for convenient transportation) ring of mass m, which allows not to rearrange the key repeatedly on a screw-twist-off nut, but to rotate the key with a fitter only by intercepting the handles with hands. In addition, it is convenient to place additional mass m on the ring (for example, scrap). Then E = (m rings + scrap) × v, which is relevant for the initial loosening of the nut.

According to a utility model, a handle can be mounted in the center of the ring, allowing one key to hold the key in an upright position, and the second hand to rotate the ring.

KSTU works as follows.

The key, assembled together with the ring, is installed on the bolt nut and the track fitter begins to unscrew the nut (or screw using an additional screw head). As a rule, it is very difficult to rip off a nut or screw. But using KSTU, you can carry out a blow, which greatly facilitates this process. If the impact energy during rotation of the ring is not enough to rip the nut out of place, then you can put additional mass on the ring (for example, crowbar) and rotate the ring along with the crowbar. Having torn the nut from its place, the scrap is removed and further unscrewing is carried out by rotating the ring, without rearranging the key, until it is completely unscrewed. When tightening the nuts, usually lubricated, you can easily rotate the ring with one hand, while holding the key in an upright position by the central handle 6, with the other hand.

Claims (3)

1. Impact socket wrench, containing a socket head connected to a shaft in the form of a rod, on the upper end of which there is a ring with handles to effect rotation of the key, while the socket head is equipped with a U-shaped bracket, and between the head and the horizontal U-shaped crossbeam staples is a movable disk, the diameter of which is equal to the diameter of the head, to which a fork is connected to the shaft with ends clasping the head, made with free movement between the vertical side faces P -shaped staples. 2. The key according to claim 1, characterized in that the plug is two-horned. 3. The key according to claim 1, characterized in that the ring is removable.

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