SU711360A1 - Caging device for torque meters - Google Patents

Description

one

The invention relates to the field of load measuring technology, in particular to devices for arresting sensitive elements of torque meters used to measure torques in sensors of precise servo systems.

The known locking device comprising a base, locking pins, bearing pads and a drive mechanism does not provide the required locking accuracy 1.

The closest to the technical essence of the invention is a locking device dp torque meters containing a base, a retainer, a support platform and an adjusting mechanism 2.

The disadvantages of such a device are low accuracy and reliability due to incomplete locking of the support platform and lack of means to control the state of arrest.

The aim of the invention is to improve the accuracy and reliability of arresting.

The specified goal in the proposed device is achieved due to

that it is provided with a latch position signaling unit, and the latch is made in the form of two racks installed on the base, and two clamps with cantilever electrically conducting cheeks installed in guide racks and connected with the last screw with left and. right-hand thread with the possibility of uniform displacement towards each other, as well as contacting their cheeks with the cylindrical neck of the support platform, while the stands are electrically insulated from the base, and the cheeks

The 5 clamps and the support plate are electrically connected to the signal unit.

FIG. 1 - shows the design of the stopping device with the scheme

0 signal unit; Fig, 2, and view along arrow B; in fig. 2.6 section along A-A; in fig. 2c is a section along BB.

Based on 1 using the reference

5 of board 2, strips 3-4, gaskets 5, insulating intermediate plate 6, insulating sleeves 7 and screws 8-15 are fitted with a clamp 16 having a screw 17 with portions 18 and 19

Claims (2)

0 and the left thread, the strut of the rack 20 and converging towards each other, heal 21-22 with the concurrently located electrically conductive cheeks 2324, which are moved along the guide strut 20 by means of the screw 17. The slats 18 and 19 have the same thread pitch. The screw 17 has a handle 25, which is secured to it with the aid of a stopper 26. The screws 8-11 are clamping and the screws 12-15 are spacers and ore together with the strips Zr4 and the gasket 5 an adjusting mechanism 27 for exhibiting clamps 21.22 and nis 23.24 relative to the axis of sensitivity. The support pad 28, made in the form of a cylinder 29 with a neck 30 of reduced diameter, is connected to a movable sensitive element of the torque meter (not shown in figure 1 and 2) and electrically connected to the base 1. Signal unit 31 contains control lamps 32 arresting open (L1) and 33 arrestors are closed (L2), connected via normally closed and normally open contacts 34.35 of relay 36 (P1), connected on one side to the first pole 37 of power supply 38, and on the other side via flexible current lead 39 - with matching clips 21, 22 and electro rovod conductive shte kami 23, 24, and - the second pole of the source 38 0 is connected to the supporting platform 28 as well as s if necessary, to the base 1. The work detent device is as follows. Preliminarily, screws 8–15 are used to exhibit latch 16, its clamps 21, 22, and cheeks 23, 24 relative to the sensitivity axis O, –Oj, while clamping screws 10 due to the presence of insulating sleeves 7 do not create electrical contact of latch 16 with the reference plate 2 and the base 1 (see Fig.26), and the spacer screws 12-15, slide to the base plate 2 and the gasket 5, shift the retainer 16 to the required “3 mm direction and adjust its inclination relative to the axis 0 (see fig. 2, a and c). The arresting of the torque meter is performed using the handle 25 with the screw 17, while the screws 21, 22 with the cantilever electrically conducting cheeks 23, 24 are moved towards each other in the sections 18, 19 of the right and left threads and squeeze the cylinder 29 along its edges, providing a rigid fixation of the sensing element. The electrically conductive cheeks 23, 24 through the screw 17, the lugs 21, 22 n the flexible current lead 39 electrically connect the relay 36 to the cylinder 29 and to the poles 37 and 40 of the power supply 38, and the relay 36 is activated, opening the normally closed contact 34 and turning on the normally open contact 35. The lamp 32 (L1 - the arrestor is open) expands, and the lamp 33 (L2 - the airway is closed) lights up, signaling a change in the state of the arresting device. When uncreating, operations are performed in reverse order. Claims An inventive device for torque meters comprising a base, a retainer, a support pad and an adjusting mechanism, characterized by the use of a TBM, which, in order to improve the accuracy and reliability of arresting, it is equipped with a retainer position signal block, and the retainer is made in two racks, installed on the base, and two clips with cantilever conductive cheeks, installed in guide posts and connected with the last screw with left and right thread sections with the possibility of uniform displacement towards each other, as well as contacting their cheeks with the cylindrical neck of the supporting platform, while the stands are electrically isolated from the base, and the cheeks of the clamps and the neck of the supporting platform are electrically connected with the signal unit. Sources of information taken into account during the examination 1. USSR author's certificate 327380, cl. G 01 C 19/26, 1970. 2. USSR author's certificate number 540163, cl. G 01 L 3/00, 1975 (prototype). 3, S) - .GV 23 IS № W / 1. L / 2 , Trap open, Appfrnup will close View F will turn that)   -. ll 15