CN104457428A - Tank gun steering wheel and muzzle displacement angle deviation testing device - Google Patents

Abstract

The invention discloses a tank gun steering wheel and muzzle displacement angle deviation testing device which comprises an absolute type encoder, an adapter, a laser distance-measuring sensor, a modulator, a laser distance-measuring sensor installation frame and a data processor. The encoder is coaxially connected with a tank gun steering wheel drive shaft and is used for measuring the output angle of a tank gun steering wheel. The laser distance-measuring sensor installation frame is designed to be cuboid. The distance from a light spot to a cradle port and the distance from the cradle port to a turret rotation center are measured and added so that the distance S from the laser distance-measuring sensor to the turret rotation center can be obtained, wherein the light spot is formed by projecting laser emitted by the laser distance-measuring sensor to a gun tube. The center of the laser distance-measuring sensor is on the horizontal plane of the axis of the gun barrel, the moving distances delta of the muzzle of a gun in two directions are measured, the calculation formula of a muzzle displacement angle alpha satisfies the equations (please see the equations in the specification), the data processor comprehensively processes the output angle of the steering wheel and the muzzle displacement angle alpha, and tank gun steering wheel and muzzle displacement angle deviation is calculated.

Description

Tank gun steering wheel and gun muzzle angle of displacement test bias device

Technical field

The invention belongs to tank weapon system experimental test technical field, more specifically to tank gun steering wheel and gun muzzle angle of displacement test bias device.

Background technology

The tolerance of the aspects such as tank gun steering wheel and gun muzzle angle of displacement deviation are turret base rings, orientation drives owing to processing, installation and adjustment is introduced, direction of measurement machine and gun muzzle angle of displacement deviation weigh the shooting characteristic of tank gun and an important indicator of ballistic characteristics, in the development of cannon weapon, production, maintenance and Performance Testing process, the measurement of tank gun steering wheel and gun muzzle angle of displacement deviation is vital, is also absolutely necessary.The measurement of tank gun steering wheel and gun muzzle angle of displacement deviation generally adopts following several measuring method both at home and abroad at present, first target plate measuring method, outside distance tank certain distance, lay the target plate mark that a piece scribbles black and white pattern, the direction certain angle of operating personnel hand tank gun orientation machine aims at target plate mark, gun barrel actual direction sensing value is measured with borescope, then use the actual sensing value of cannon and cannon to target plate distance value, calculate gun barrel azimuth, obtain tank gun steering wheel and gun muzzle angle of displacement deviation; Second method is the method adopting GPS location, its measuring method respectively installs a GPS active receiver at the gun tube afterbody of cannon and gun muzzle place, in order to reach high certainty of measurement, usually the GPS active receiver at gun muzzle place is inserted the method for extension tube by gun tube, make two GPS active receiver apart from farther, finally by the information processing of two GPS active receiver, calculate gun muzzle angle of displacement and compare with the orientation angle of operating personnel hand tank gun orientation machine.These methods are owing to needing the conversion of a position, and stability and the shortcoming such as real-time is poor, in addition, these methods all need to carry out on-the-spot design and layout, processing and installation test equipment, time-consuming, effort and take funds.

Summary of the invention

The technical problem to be solved in the present invention is, by adopting the present invention, improves tank gun steering wheel and gun muzzle angle of displacement deviation certainty of measurement and ease of use.

For solving the problems of the technologies described above, tank gun steering wheel provided by the invention and gun muzzle angle of displacement test bias device, comprise encoder measurement system, gun muzzle angle of displacement measurement mechanism and data processor.Encoder measurement system comprises absolute type encoder and adapter, absolute type encoder coaxially connects with tank gun steering wheel driving shaft, the signal that encoder exports sends adapter to by cable, encoder measurement system can high-acruracy survey to the output angle of tank gun steering wheel, send the output angle angle value of measured steering wheel to data processor in real time, gun muzzle displacement measuring device comprises high-precision laser range-finding sensor, suitable tune device and laser range sensor installing rack, the distance of high-precision laser range-finding sensor measurement cannon gun muzzle movement in the horizontal direction, obtains real-time gun muzzle angle of displacement by data processor computing, sensor mount adopts aluminum alloy materials, be designed to rectangular structure and size is little as far as possible, to improve the convenience used, in the center of sensor mount, laser range sensor is installed, at a pair diagonal angle place of the close end of laser range sensor installing rack, a spiral shell mosquito hole is respectively set, after regulating the upper-lower position of laser range sensor, use bolt being fixedly connected laser range sensor installing rack and outside support body, the laser range sensor center be arranged on cuboid is on the horizontal plane of barrel axis, when the distance of distance barrel is rotated along azimuth direction with barrel, all the distance can accurately measured between laser range sensor and gun muzzle is principle, the laser beam that adjustment laser range sensor makes it launch beats barrel outer surface, this laser beam and barrel axes normal at barrel axial plane.The gun turret centre of gyration is known to the distance of reel cage port, the distance of laser spot to reel cage port of barrel outer surface is measured with steel tape, and be added with the distance of reel cage port to the gun turret centre of gyration, obtain the distance S of laser range sensor measurement point to the gun turret centre of gyration.Suitable tune device is the secondary meter of laser range sensor, provides power supply and export the signal of telecommunication of measuring distance and send data processor to for laser range sensor.

Laser range sensor measures cannon gun muzzle along orientation bidirectional square to the distance δ of movement, gun muzzle angle of displacement α computing formula:

$\mathrm{\α}=2\arcsin \frac{\mathrm{\δ}}{2S}$

Gun muzzle angle of displacement α is calculated by data processor, the output angle of data processor integrated treatment steering wheel and gun muzzle angle of displacement α, calculates tank gun steering wheel and gun muzzle angle of displacement deviation.

Beneficial effect of the present invention is embodied in:

Tank gun steering wheel of the present invention and gun muzzle angle of displacement test bias device adopt integrated transducer to arrange structure, achieve by the independent operational measure of a people, compared with prior art, improve the convenience of operating efficiency and use; Avoid the artificial measure error of prior art, improve certainty of measurement.

Accompanying drawing explanation

Fig. 1 is the in-site measurement schematic diagram of measurement mechanism of the present invention;

Fig. 2 is the partial schematic diagram that direction of measurement machine drives angle;

Fig. 3 is the partial schematic diagram measuring gun muzzle angle of displacement.

Detailed description of the invention

Optimum implementation of the present invention is described in detail below in conjunction with accompanying drawing.

As shown in Figure 1, Figure 2, Figure 3 shows, the tank gun steering wheel of the preferred embodiment of the present invention and gun muzzle angle of displacement test bias device comprise encoder measurement system, gun muzzle angle of displacement measurement mechanism and data processor.Encoder measurement system comprises absolute type encoder 3 and adapter, shell and the support body 7 of encoder 3 connect firmly, the rotating shaft of encoder 3 coaxially connects with tank gun steering wheel driving shaft 4, the signal that encoder 3 exports sends adapter to by cable, encoder measurement system can high-acruracy survey to the output angle of tank gun steering wheel, send the output angle angle value of measured steering wheel to data processor, the output angle angle value of the steering wheel measured by encoder measurement system is as true value, and encoder measurement system certainty of measurement is 10 "; Gun muzzle angle of displacement measurement mechanism comprises high-precision laser range-finding sensor 1, suitable tune device and laser range sensor installing rack 8, and laser range sensor 1 certainty of measurement is 0.01mm; Laser range sensor installing rack 8 structure adopts aluminum alloy materials, is designed to rectangular structure and size is little as far as possible, to improve the convenience used, at a pair diagonal angle place of the close end of laser range sensor installing rack 8, a spiral shell mosquito hole 9 is respectively set, spiral shell mosquito hole 9 has common spiral shell mosquito to form being drilled with a through hole inside fire attack, after regulating the upper-lower position of laser range sensor 1, use the bolt that matches with spiral shell mosquito hole 9 being fixedly connected laser range sensor installing rack 8 and outside support body 5.Laser range sensor 1 center being arranged on laser range sensor installing rack 8 is on the horizontal plane of barrel 2 axis, the distance of distance barrel 2 along orientation bidirectional square to time mobile, all accurately can measure the distance between laser range sensor 1 and barrel 2 with barrel 2.Adjustment laser range sensor 1 installation site makes its laser beam beat barrel 2 outer surface, this laser beam and barrel 2 axes normal at barrel 2 axial plane.For a kind of tank weapon system 6, the gun turret centre of gyration is known quantity to the distance of reel cage port A, the distance of laser spot to reel cage port A of barrel 2 outer surface is measured with steel tape, and be added to the distance of the gun turret centre of gyration with reel cage port A, obtain the distance of laser range sensor 1 to the gun turret centre of gyration.

Suitable tune device is the secondary meter of laser range sensor 1, provides power supply and export the signal of telecommunication of measuring distance and be real-time transmitted to data processor for laser range sensor 1.

Laser range sensor 1 arrives the distance S of the gun turret centre of gyration, distance δ when barrel 2 measured by laser range sensor 1 is along orientation bidirectional square to movement, then gun muzzle angle of displacement α computing formula:

$\mathrm{\α}=2\arcsin \frac{\mathrm{\δ}}{2S}$

Gun muzzle angle of displacement α is calculated by data processor, the output angle of data processor integrated treatment steering wheel and gun muzzle angle of displacement α, using the output angle angle value of the steering wheel measured by encoder measurement system as true value, calculate tank gun steering wheel and gun muzzle angle of displacement deviation.

Claims (1)

1. a tank gun steering wheel and gun muzzle angle of displacement test bias device, comprise encoder measurement system, gun muzzle angle of displacement measurement mechanism and data processor, it is characterized in that: encoder measurement system comprises absolute type encoder and adapter, the rotating shaft of absolute type encoder coaxially connects with tank gun steering wheel driving shaft, the signal that encoder exports sends adapter to by cable, encoder measurement system can high-acruracy survey to the output angle of tank gun steering wheel, send the output angle angle value of measured steering wheel to data processor in real time; Gun muzzle displacement measuring device comprises high-precision laser range-finding sensor, suitable tune device and laser range sensor installing rack, the distance of high-precision laser range-finding sensor measurement gun muzzle movement in the horizontal direction, obtains real-time gun muzzle angle of displacement by data processor computing; Laser range sensor installing rack structure is designed to cuboid, and the laser beam that laser range sensor is launched beats the barrel outer surface at barrel axial plane, this laser beam and barrel axes normal; The gun turret centre of gyration is known quantity to the distance of reel cage port, the distance of laser spot to reel cage port of barrel outer surface is measured with steel tape, and be added with the distance of reel cage port to the gun turret centre of gyration, obtain the distance S of laser range sensor measurement point to the gun turret centre of gyration; Suitable tune device is the secondary meter of laser range sensor, provides power supply and export the signal of telecommunication of measuring distance and send data processor to for laser range sensor; Laser range sensor measures cannon gun muzzle along orientation bidirectional square to the distance δ of movement, then gun muzzle angle of displacement α computing formula:

$\mathrm{\α}=2\arcsin \frac{\mathrm{\δ}}{2S}$

Gun muzzle angle of displacement α is calculated by data processor, the output angle of data processor integrated treatment steering wheel and gun muzzle angle of displacement α, using the output angle angle value of the steering wheel measured by encoder measurement system as true value, calculate tank gun steering wheel and gun muzzle angle of displacement deviation.