Information-sending box of shipping log

Abstract

The invention relates to an information-sending box of a shipping log, which solves the technical problem that a transmission subassembly of a prior information-sending box needs parts of multiple varieties and specifications and has nonstandard part varieties so as to lead to poor interchangeability. The information-sending box of a shipping log is characterized in that the dimensions of a plurality of transmission shafts, bearing sleeves, going barrels and drive plates are equal, the outside diameter dimension of each drive plate can pass through a mounting hole of each bearing sleeve positioned on a bracket during assembly, and the drive plates are also provided with drive grooves and drive pin holes so as to realize two-way coupling functions of the drive plates. The invention has theadvantages that original transmission shafts and bearing sleeves which have different dimensions are all replaced by the transmission shafts and the bearing sleeves with one dimension, a plurality oforiginal nonstandard bearing caps are eliminated, the gonging barrels can be interchanged with the bearing sleeves, and an expanded shaft and a nonstandard gear are eliminated due to structure variation, thereby enhancing the commonality, the interchangeability and the assembly precision of the transmission assembly and reducing the production cost of the information-sending box; and in addition,the invention has simple structure and good installability and maintainability.

Description

technical field [0001] The invention belongs to the field of electromechanical information transmission, in particular to an information sending box in a ship log. Background technique [0002] The information sending box is the supporting equipment used in the ship log, and it is the most important technical interface device for the log to transmit the voyage and speed information to each working part of the ship. The information transmission box is composed of a frame and several transmission components installed on the frame. It converts the range and speed electrical signals from the log interface into electric pulses to drive the micro stepper motor, and then drives the micro stepper motor through the dial, shaft and Gears, etc. are connected and linked, and several transmission components such as synchros, resolvers, precision potentiometers, and photoelectric encoders of different specifications are driven by different transmission ratios to send out various forms of ...

AI Technical Summary

Problems solved by technology

[0003]First, in order to fix the mainspring, an expansion shaft needs to be installed on the shaft where the mainspring box is installed, and therefore non-standard gears need to be installed. The mainspring mentioned above The installation size of the box is inconsistent with the installation size of the bearing sleeve, and cannot be interchanged with the installation of the bearing sleeve, so the installation holes on the bracket are also inconsistent, resulting in mounting holes of various sizes on the bracket, resulting in long processing time and low processing accuracy;

[0004]Second, due to the inconsistent lengths of the output shafts of various motors, the lengths of the transmission shafts that are matched with them need to be adjusted accordingly, resulting in transmission shafts of various lengths and sizes; at the same time, due to The diameters of the output shafts of various motors are also inconsistent, and the matching dials need to be adjusted accordingly. Due to the inconsistent shaft holes of various dials, the diameters of the matching drive shafts have various sizes, and thus need to be matched with them A variety of bearing sleeves and a variety of barrels

[0006]Therefore, the information transmission box parts of the prior art need multiple specification drive shafts and supporting multiple bearing sleeves and multiple barrels, with many varieties, There are many specifications and poor interchangeability, which is not conducive to production, processing, assembly, maintenance, and design selection; an expansion shaft is designed to install the mainspring, and a bearing cover is also designed to compress the bearing. Due to the existence of the expansion shaft, non-standard The gear has a complex structure and is difficult to process. During installation, drilling, pinning, and retaining springs are required, and it is difficult to assemble and disassemble. Due to the above-mentioned technical reasons, the production and processing cycle of the information sending box is long, the cost is high, and the interchangeability is poor. The production cannot be prepared in advance, which seriously restricts the production cycle of the whole machine; in addition, the gear installation position is often installed between the two bracket plates, which is not conducive to the overall loading and unloading of the transmission components, and wastes production assembly and maintenance time

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