CN220006520U

CN220006520U - Combined limiting tool

Info

Publication number: CN220006520U
Application number: CN202220901711.6U
Authority: CN
Inventors: 杜磊; 王毅
Original assignee: Sichuan Hanghao Technology Co ltd
Current assignee: Sichuan Hanghao Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2023-11-14
Anticipated expiration: 2032-04-19

Abstract

The utility model relates to a combined type limiting tool which comprises a limiting table body, wherein an arc groove is formed above the limiting table body, a second square groove is transversely formed in the inner side of the bottom of the limiting table body, and an inwards concave table top is arranged on the outer side of the bottom of the limiting table body. According to the utility model, a plurality of tooling requirements are assembled to form the limiting and fixing tooling capable of meeting the requirements of a plurality of production procedures of the product, the difficulty of electronic assembly operation is reduced, and the production and manufacturing efficiency of cabin products is improved.

Description

Combined limiting tool

Technical Field

The utility model relates to the field of electronic assembly of irregular parts, in particular to a combined limiting tool.

Background

The steering system is a servo actuating mechanism of the flight control system, and has the functions of receiving steering instructions sent by the flight control integrated machine, controlling steering engine deflection, generating corresponding steering force and moving the adjusting mechanism to generate steering moment for the steering system so as to control the attitude of the aircraft. The system is characterized by large inertia, strong power and obvious and complex nonlinear factors.

The combined limiting tool introduced in the specification is mainly designed for a pair of four-electric steering engine control systems. The steering engine controller mainly realizes instruction receiving, driving and position control of the direct current brush motor. The steering engine mainly comprises a direct current brush motor, a transmission mechanism and an angle sensor. The rudder system receives a rudder control instruction through an RS422 bus, drives the 4-path steering engine to rotate, and returns the rudder deflection angle real-time value to the steering engine controller. The pair of four-electric steering engine control system mainly comprises steering engine controllers and 4 steering engines structurally, wherein the controller comprises a control circuit, a power amplifying circuit and a matched cable.

When the printed board of the rudder system is welded manually, as components are attached to the front and back sides of the printed board, the printed board cannot be attached to a tabletop and is placed flat, and a tool is required to be lifted and placed; the whole steering engine product has irregular structure, and when the steering engine is connected, a tool is required to stabilize the steering engine body and then the connection operation is completed; the appearance of the cabin section is of a cylindrical structure, and the whole cabin section is fixed and overturned by a tool in the assembly and connection process.

Disclosure of Invention

The utility model provides a combined limiting tool for solving the technical problems of assembly, connection, limiting and the like in the background technology. According to the utility model, a plurality of tooling requirements are assembled to form the limiting and fixing tooling capable of meeting the requirements of a plurality of production procedures of the product, the difficulty of electronic assembly operation is reduced, and the production and manufacturing efficiency of cabin products is improved.

The technical scheme of the utility model is as follows: the utility model relates to a combined limiting tool, which is characterized in that: the combined type limiting tool comprises a limiting table body, and an arc groove is formed in the upper portion of the limiting table body.

Further, a second square groove is transversely formed in the inner side of the bottom of the limiting table body.

Further, the outer side of the bottom of the limiting table body is provided with a concave table top.

Further, the dimensions of the arc groove are 100mm in radius, 90 degrees in radian and 60mm in width.

Further, the second square groove has dimensions of 2.2mm, a depth of 2.0mm and a length of 140mm.

Further, the dimensions of the mesa were 2.0mm depth, 10mm width, 140mm length.

Further, a first square groove is formed in the other side, opposite to the circular arc groove, above the limiting table body.

Further, the first square groove has dimensions of 10mm in depth, 60mm in width and 100mm in length.

Further, the number of the limiting table bodies is two.

Further, the material of the limiting table body is an antistatic rubber material, and the surface resistance of the antistatic rubber material is kept at 10 ⁵ Ω～10 ⁹ Omega, the hardness of the rubber material is kept between 55+/-5 Shore HD.

The utility model comprises only one part. The arc groove is used for fixing the rudder cabin body; the second square groove is used for lifting and limiting the control panel; the first square groove is used for limiting the end face of the output shaft of the steering engine; the table top is used for lifting and limiting the power board. The limiting table body is made of antistatic rubber materials, and two blocks are combined for use.

The utility model thus has the following advantages:

1. meeting the operating requirements of multiple components; the utility model is specially designed aiming at the structural characteristics of a pair of four-electric steering engine control system, can meet the welding and assembling operations of three main parts of a printed board, a steering engine and a cabin body, and has good size matching between each part and a tool;

2. the operation efficiency is improved; according to the utility model, three main components required by the printed board, the steering engine and the cabin are integrated on one tool, and the mode of replacing different tools is changed into the electronic assembly operation of a plurality of components under one tool, so that the operation efficiency is improved;

3. selecting materials to prevent static electricity; the material selected by the utility model has antistatic property, and the surface resistance can meet the antistatic environment requirement of the working site of the electronic and electric product;

4. the application range is wide; the utility model not only can realize the electronic assembly operation of a pair of four-electric steering engine control system, but also can be used for the electronic assembly operation of other steering engine systems and board-level products.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic illustration of an application of the cabin attachment of the present utility model;

fig. 4 is a schematic diagram of an application of the steering engine assembly of the present utility model;

FIG. 5 is a schematic illustration of an application of the control board assembly of the present utility model;

fig. 6 is a schematic diagram of an application of the power board assembly of the present utility model.

The reference numerals are as follows:

1. an arc groove; 2. a first square groove; 3. a table top; 4. and a second square groove.

Detailed Description

The general aspects of the utility model will be described in further detail below with reference to the attached drawings and to specific examples:

referring to fig. 1 and 2, the structure of the embodiment of the utility model comprises a limiting table body, wherein one side above the limiting table body is provided with an arc groove 1, the other side is provided with a first square groove 2, the inner side of the bottom of the limiting table body is transversely provided with a second square groove 4, and the outer side of the bottom of the limiting table body is provided with an inwards concave table top 3. The dimensions of the arc groove 1 are 100mm in radius, 90 degrees in radian and 60mm in width. The second square groove 2 has dimensions of 2.2mm, a depth of 2.0mm and a length of 140mm. The dimensions of the mesa 3 were 2.0mm in depth, 10mm in width and 140mm in length. The dimensions of the first square groove are 10mm in depth, 60mm in width and 100mm in length. In this embodiment, two second square grooves 2 are symmetrically arranged at the inner side of the bottom of the limiting table body. The number of the table tops 3 is two, and the table tops are symmetrically arranged at the outer side of the bottom of the limiting table body. The number of the limiting table bodies is two, and the limiting table bodies can be used in combination.

Wherein the surface resistance of the rubber material is kept at 10 ⁵ Ω～10 ⁹ Omega, can prevent printed board and whole cabin from receiving static injury effectively; the hardness of the rubber material is kept between 55+/-5 Shore HD, the surface scratches of a printed board, a steering engine and a steering engine cabin body can be effectively prevented, and the material is wear-resistant,The aging resistance effect is obvious; the limiting table body is subjected to deburring, edge chamfering is performed according to C0.5, and non-injection tolerance is performed according to GB/T1804-f, so that products are prevented from being scratched by acute angles on the refitted surfaces.

The width of the second square groove 4 and the thickness tolerance of the control panel are reasonably controlled, the clearance is 0.15-0.20 mm, the position of the control panel in the groove is effectively limited, and the welding operation is convenient;

the width of the first square groove 1 and the width tolerance of the steering engine are reasonably controlled, the gap is 0.2-0.30 mm, the position of the steering engine in the groove is effectively limited, and the wiring operation of the steering engine is facilitated;

the width of the table top 3 is smaller than the width of the edge of the power board by 1.5 mm-2.0 mm, and the contact area of the table top 3 and the power board can effectively support the power board, so that the welding operation is convenient;

the radius of the tool arc groove 1 is consistent with the radius of the rudder cabin, so that the outer surface of the rudder cabin is fully attached to the cambered surface of the tool, the contact area is increased, the static friction force is increased, and the rudder cabin is prevented from sliding or rolling during assembly and wiring.

The utility model is divided into 4 embodiments of cabin assembly, steering engine assembly, control board assembly and power board assembly when in use, and the specific installation is as follows:

1. cabin body assembly

When the cabin body is assembled, referring to fig. 3, the specific steps are as follows:

1) Placing two tools of the utility model on a horizontal tabletop, and visually checking to confirm that the arc grooves 1 of the two tools of the utility model are on the same axis;

2) Visual inspection of the appearance of the cabin body, wherein the appearance of the cabin body is required to have no scratch, no defect, no plating layer falling off and other defects;

3) The cabin body is lightly placed on the arc surface formed by the arc groove 1, and the connection and assembly operations of the control board, the power board, the steering engine and the cabin body are completed according to specific process requirements;

4) Checking that no redundant matters exist in the cabin;

5) And (5) the vertical tabletop is upwards, the cabin body is separated from the tool, and the cabin body is removed.

2. Steering engine assembly

When the steering engine is assembled and linked, referring to fig. 4, the specific steps are as follows:

1) Placing a tool of the utility model on a horizontal desktop, and confirming that the first square groove 2 is on the right side of an operator facing the tool;

2) Visually checking the appearance of the steering engine, wherein the appearance of the cabin body is required to be free from scratch, defect, coating falling and other defects, the connecting line of the steering engine is not damaged, and the length meets the technological requirements;

3) The cabin body is lightly placed on the plane of the first square groove 2, and the connection and reinforcement operation of the steering engine is completed according to specific process requirements;

4) Checking that the appearance of the steering engine has no excessive;

5) And (5) the vertical desktop is upwards, the steering engine is separated from the tool, and the steering engine is removed.

3. Control panel assembly

When the control panel is assembled, referring to fig. 5, the specific steps are as follows:

2) Visual inspection of the appearance of the control panel requires no scratch or damage on the surface of the control panel, no collision or skew of components and the like, and the mounting height of the components meets the process requirements;

3) The two short sides of the control board are lightly inserted into the second square groove 4, and the welding and reinforcing operation of the control board is finished according to specific process requirements;

4) Checking whether the front and back sides of the control panel have redundant materials;

5) The control plate is withdrawn along the length direction of the second square groove 4, and removed.

4. Power board assembly

When the power board is assembled, referring to fig. 6, the specific steps are as follows:

2) Visual inspection of the appearance of the power board requires no scratch or flaw on the surface of the power board, no collision or skew of components and the like, and the mounting height of the components meets the process requirements;

3) The two short sides of the power board are lightly placed on the table top 3, and the welding and reinforcing operation of the power board is finished according to specific technological requirements;

4) Checking whether the front and back sides of the power board have redundant materials;

5) And (5) vertically lifting the desktop, separating the power board from the tool, and removing the power board.

The technical matters not specifically described in the foregoing embodiments are the same as those in the prior art.

The above is only a specific embodiment disclosed in the present utility model, but the scope of the present utility model is not limited thereto, and the scope of the present utility model should be defined by the claims.

Claims

1. A combination type limiting tool is characterized in that: the combined type limiting tool comprises a limiting table body, an arc groove is formed in the upper portion of the limiting table body, a cabin body is placed in the arc groove, a concave table top is arranged on the outer side of the bottom of the limiting table body, and a power board is placed on the table top.

2. The combined limiting tool according to claim 1, wherein: the inner side of the bottom of the limiting table body is transversely provided with a second square groove, and the control board is placed in the second square groove.

3. The combined limiting tool according to claim 1, wherein: the dimensions of the arc groove are 100mm in radius, 90 degrees in radian and 60mm in width.

4. The combined limiting tool according to claim 2, wherein: the dimensions of the second square groove are 2.2mm, the depth is 2.0mm and the length is 140mm.

5. The combined limiting tool according to claim 1, wherein: the dimensions of the table top are 2.0mm in depth, 10mm in width and 140mm in length.

6. The combined limiting tool according to any one of claims 1 to 5, wherein: the steering engine is characterized in that a first square groove is formed in the other side, opposite to the circular arc groove, of the upper side of the limiting table body, and the steering engine is placed in the first square groove.

7. The combined limiting tool of claim 6, wherein: the dimensions of the first square groove are 10mm in depth, 60mm in width and 100mm in length.

8. The combined limiting tool of claim 7, wherein: the number of the limiting table bodies is two.

9. The combined limiting tool of claim 8, wherein: the material of the limiting table body is an antistatic rubber material, and the surface resistance of the antistatic rubber material is kept at 10 ⁵ Ω～10 ⁹ Omega, the hardness of the rubber material is kept between 55+/-5 Shore HD.