阅读说明：本技术 一种作动筒分解装配型架 (Actuator cylinder disassembling and assembling type frame ) 是由 赵西洋 孙甲强 赵晓吉 于 2019-07-31 设计创作，主要内容包括：本发明公开了一种作动筒分解装配型架,属于航空装备技术领域。所述型架包括支架、导向杆、横梁、托架组件、滑轮组件、滑轮、绞轴组件、绞轴支架、作动筒固定接头、钢索、钢索松紧调节组件、钢索固定接头。所述型架结构简单、使用安全、方便维护；更重要的是,用惯了后能够积累一定经验,装配作动筒时就会有手感,能感觉到胶圈是否切坏,有助于保证产品修理质量。(The invention discloses a disassembly and assembly type frame for an actuating cylinder, and belongs to the technical field of aviation equipment. The frame comprises a support, a guide rod, a cross beam, a bracket component, a pulley, a hinge component, a hinge support, an actuator cylinder fixed joint, a steel cable tightness adjusting component and a steel cable fixed joint. The fixture has simple structure, safe use and convenient maintenance; more importantly, after the actuator cylinder is used, certain experience can be accumulated, the actuator cylinder can have hand feeling when being assembled, whether the rubber ring is cut or not can be sensed, and the repair quality of products can be guaranteed.)

1. An actuator cylinder disassembly assembly jig is characterized in that: the frame comprises two supports, a guide rod (5), a guide rod (28), a beam assembly, a bracket assembly, a pulley, a hinge shaft assembly, a hinge shaft support (20), an actuator cylinder fixed joint, a steel cable (4), a steel cable tightness adjusting assembly and a steel cable fixed joint (27);

the two supports are respectively a support I (1) and a support II (10), are in funnel shapes with narrow middle and wide upper and lower parts, and are provided with rectangular holes, threaded holes, round holes and lightening holes;

the guide rods (5) and (28) are respectively provided with 2 steel bars, both ends of which are provided with threads and the middle of which is smooth;

the beam assembly comprises a beam (6), a support III (13), a pulley IV (14), an ear-ring bolt type actuating cylinder fixing joint (24), a pulley V (25) and a pulley VI (26), wherein a threaded hole, a round hole, a groove, a lightening hole and a square hole are formed in the beam (6), and the support III (13) is provided with a lightening groove and a fixing hole as shown in figure 2;

the bracket assembly has 3 groups, including a bracket (7), a V-shaped piece (16) and an adjusting bolt (15), as shown in FIG. 3;

the pulley assemblies have 3 groups, and comprise pulley supports (2) and pulleys (3), as shown in fig. 4;

the steel cable tightness adjusting assembly comprises an earring bolt (17), a threaded sleeve (18) and a double-end stud (19), wherein the screwing directions of internal threads at two ends of the threaded sleeve (18) are opposite, and the screwing directions of external threads at two ends of the stud (19) are opposite, as shown in fig. 5;

the hinge bracket (20) is formed by splicing two steel plates into an inverted trapezoid, two lug plates provided with bearings are welded on the hinge bracket, and a rectangular hole for passing through a steel cable is formed in the hinge bracket as shown in figure 6;

the winch shaft assembly comprises 1 group which comprises a winch shaft (21) and a handle (22), wherein the winch shaft (21) is provided with a spiral groove for winding a steel cable;

the cable fixing joint (27) is of the earring bolt type, as shown in fig. 8;

the actuator cylinder fixing joints have 2 pieces, which are a fork lug bolt type actuator cylinder joint (23) and an earring bolt type actuator cylinder fixing joint (24), respectively.

The connection relationship is as follows:

the support I (1) and the support II (10) are respectively arranged at two ends of the fixture, and the two ends of the guide rod (5) and the guide rod (28) are respectively fixed on the support I (1) and the support II (10) to form a bearing structure of the fixture;

a cross beam (6) which can slide along the guide rod (5) and the guide rod (28) and three brackets I (7), II (8) and III (9) which can move along the guide rod (5) and the guide rod (28) are sequentially arranged on the guide rod (5) and the guide rod (28) in series;

the V-shaped part (16) is arranged on the bracket I (7), the bracket II (8) and the bracket III (9) through adjusting bolts (15);

a pulley (3) is arranged at the upper position of the inner side of the bracket I (1) close to one end of the cross beam (6), a pulley (12) is arranged at the middle position, and a pulley (11) is arranged at the middle position of the outer side of the bracket II (10) at the other end;

a hinge shaft bracket (20) is fixed at the upper part of the outer side of the bracket II (10), and a hinge shaft (21) is arranged on the hinge shaft bracket (20);

the ear-ring bolt type actuating cylinder fixing joint (24) is fixed on the cross beam (6) and faces the bracket II (10);

a fork lug bolt type actuating cylinder fixing joint (23) is fixed on the inner side of the bracket II (10);

a pulley (14), a pulley (25) and a pulley (26) are arranged on the cross beam (6), and the pulley (14), the pulley (25) and the pulley (26) are respectively arranged at two sides of the cross beam (6);

the steel cable fixing joint II (27) is arranged on the inner side of the bracket I (1);

a double-end stud (19) on the steel cable tightness adjusting assembly is fixed on the inner side of the bracket II (10);

one end of the steel cable (4) is fixed on a steel cable fixing joint (27), the middle of the steel cable passes through a pulley VI (26), a pulley I (3), a pulley III (12) and a pulley II (11) in sequence, then the steel cable is wound on a hinge shaft, leaves the hinge shaft, then passes through a pulley V (25) and a pulley IV (14) in sequence, and finally is fixed on an earring bolt (17) of the steel cable tightness adjusting component. Thus, a force reducing mechanism is formed by the steel cable, the pulley and the twisting shaft.

Except the pulley and the steel cable, the other components are made of steel;

the two actuator fixed joints and the three bracket assemblies are in a straight line.

2. An actuator cylinder disassembly assembly jig according to claim 1, wherein the cross member (6) is provided with a pulley (14), a pulley (25) and a pulley (26), and the pulley (14), the pulley (25) and the pulley (26) are disposed on both sides of the cross member (6).

3. An actuator cylinder disassembly and assembly jig as claimed in claim 1 wherein the cable (4) is fixed at one end to a cable fixing joint (27) and passes through pulley vi (26), pulley i (3), pulley iii (12) and pulley ii (11) in sequence in the middle, then is wound around the hinge, leaves the hinge, passes through pulley v (25) and pulley iv (14) in sequence, and finally is fixed to the eye bolt (17) of the cable slack adjuster assembly. Thus, a force reducing mechanism is formed by the steel cable, the pulley and the twisting shaft.

4. A ram disassembly kit as claimed in claim 1, wherein the V-shaped members (16) are mounted by means of adjusting bolts (15) on bracket i (7), bracket ii (8) and bracket iii (9) which are movable along the guide rods (5) and (28).

Technical Field

The invention belongs to the technical field of aviation equipment, and relates to a disassembly and assembly type frame of an actuating cylinder, which is mainly used for the actuating cylinder with large moving friction force of a piston rod.

Background

A large number of actuators are used on aircraft to deploy and deploy landing gear, manipulate aircraft control surfaces, and the like. Some actuating cylinders have larger piston section diameter or the number of sealing rubber rings on the piston rod is large, so that the moving friction force of the piston rod is large (the moving force of the piston rod of an individual actuating cylinder reaches 100kgf), and a person often cannot pull out or push the piston rod into the cylinder. Therefore, to disassemble or assemble the ram with high friction, the piston rod must be pushed or pulled by the device to move the piston rod to be pulled or pushed out of the ram.

It is considered that most of the instruments used in the repair factories are hydraulic. The hydraulic pressure of the actuating cylinder on the machine is used for pushing and pulling a piston rod of the actuating cylinder which is disassembled or assembled. The hydraulic pressure is used for driving, labor is saved, hand feeling is not generated, control is not easy, the hydraulic cylinder can be used during decomposition, a broken rubber ring cannot be sensed during assembly, assembly quality is affected to a certain extent, and safety problems can also occur due to improper control. In addition, the hydraulic system is easy to leak oil, and is inconvenient to maintain and use.

Disclosure of Invention

In view of the above, the present invention is directed to a disassembling and assembling jig for a ram, which reduces the friction of a piston rod of the ram to less than 1/20, allows the piston rod to move easily and freely, allows a person to operate easily with one hand, is safe and reliable, and does not cause damage to the ram and the person.

The purpose of the invention is realized by the following technical scheme:

an actuator cylinder disassembling and assembling fixture comprises a support, a guide rod, a cross beam, a bracket assembly, a pulley, a hinge shaft assembly, a hinge shaft support, an actuator cylinder fixing joint, a steel cable tightness adjusting assembly and a steel cable fixing joint;

the support is provided with 2 parts, namely a support I and a support II, which are in funnel shapes with narrow middle and wide upper and lower parts, and the support is provided with a rectangular hole, a threaded hole, a round hole and a lightening hole;

the number of the guide rods is 4, and each guide rod is a steel bar with threads at two ends and smooth middle;

the beam comprises 1 part, and threaded holes, round holes, grooves, lightening holes and square holes are formed in the beam;

the bracket component has 3 groups, and each piece comprises a bracket, a V-shaped piece and an adjusting bolt;

the pulley components have 3 groups, including pulley, pulley support;

the hinge shaft components comprise a hinge shaft and a handle in a group 1;

the hinge shaft bracket is formed by splicing two steel plates into an inverted trapezoid, and two lug plates provided with bearings are welded on the hinge shaft bracket;

the fixed joints of the actuating cylinders comprise 2 pieces, one piece is an earring bolt type actuating cylinder fixed joint, and the other piece is a fork ear bolt type actuating cylinder fixed joint;

the steel cable tightness adjusting assembly comprises double-end studs with opposite thread turning directions at two ends, earring bolts and screw sleeves with opposite thread turning directions at two ends;

the connection relationship is as follows:

two supports are respectively arranged at two ends of the fixture, and two ends of four guide rods are fixed on the supports to form a bearing structure of the fixture;

a beam which can slide along the guide rod and three brackets which can move along the guide rod are sequentially arranged on the guide rod in series;

a group of pulley blocks are respectively arranged at the upper position and the middle position of the inner side of the bracket I close to one end of the cross beam, and a group of pulley blocks are arranged at the middle position of the outer side of the bracket II at the other end;

the hinge shaft bracket is fixed at the upper part of the outer side of the bracket II, and the hinge shaft assembly is arranged on the hinge shaft bracket;

the ear-ring bolt type actuating cylinder fixed joint is fixed on the cross beam and faces the bracket II;

a fork lug bolt type actuating cylinder fixing joint is fixed on the inner side of the bracket II;

three pulleys are also arranged on the cross beam;

the steel cable fixing joint II is arranged on the inner side of the bracket I;

one end of the steel cable tightness adjusting assembly is fixed on the inner side of the bracket II;

one end of the steel cable is fixed on the steel cable fixing joint, the middle of the steel cable sequentially passes through the pulley VI, the pulley I, the pulley III and the pulley II, then is wound on the hinge shaft, leaves the hinge shaft, sequentially passes through the pulley V and the pulley IV, and finally is fixed on the earring bolt of the steel cable tightness adjusting assembly. Thus, the steel cable, the pulley and the hinge shaft assembly together form a force reducing mechanism.

Except the pulley and the steel cable, the other components are made of steel;

the two actuator fixed joints and the three bracket assemblies are in a straight line.

Principle of operation

When the actuating cylinders are disassembled, the actuating cylinders are placed on the bracket component II and the bracket component III, and one end of each cylinder faces to the fork lug bolt type actuating cylinder fixed joint. After the height of the actuating cylinder is properly adjusted, one end of a cylinder of the actuating cylinder is connected to a fork lug bolt type actuating cylinder fixing joint, and one end of a piston rod is connected to an earring bolt type actuating cylinder fixing joint. And the handle of the hinge shaft assembly is rotated anticlockwise, the cross beam moves towards one direction under the pulling of the steel cable, the fixed joint distance of the two actuating cylinders becomes longer, and the piston rod is pulled out of the cylinder of the actuating cylinder. The bracket assembly I is adjusted to a proper height, and the piston rod can be ensured to just fall onto the bracket assembly I when leaving the actuating cylinder.

When the actuating cylinders are installed, the cylinders of the actuating cylinders are connected to the fork bolt type actuating cylinder fixing joints, the piston rods are connected to the ear ring bolt type actuating cylinder fixing joints, the three bracket assemblies are adjusted to be at proper heights, the piston rods are aligned to the cylinders, the handles of the hinge shaft assemblies are rotated clockwise, the cross beams move under the pulling of the steel cables, the distance between the fixing joints of the two actuating cylinders is shortened, and the piston rods are pushed into the cylinders of the actuating cylinders.

Advantageous effects

(1) According to the invention, no hydraulic system is used for assisting, and after certain experience is accumulated, whether the rubber ring on the piston rod is damaged by shearing can be known through hand feeling.

(2) The invention does not adopt a hydraulic system, avoids the leakage of hydraulic oil through the transmission of the hinge shaft, the steel cable, the movable fixed pulley and the like, and is convenient to maintain and use.

(3) The invention does not adopt a hydraulic system for assisting power, but amplifies the acting force of a hand by 20 times through the transmission of a hinge shaft, a steel cable, a movable fixed pulley and the like, has safe and reliable operation and does not cause damage to products and people.

(4) The actuating cylinder disassembling and assembling jig enables the piston rod of the actuating cylinder to move easily and conveniently, and effectively improves the working efficiency. One person can conveniently and safely complete the disassembly and assembly of the actuating cylinder.

Drawings

Fig. 1 is a schematic view of an exploded assembly jig for an actuator cylinder according to the present invention;

FIG. 2 is a schematic view of the mounting structure of each component on the cross beam;

FIG. 3 is a schematic view of a bracket assembly configuration;

FIG. 4 is a schematic view of a sheave assembly;

FIG. 5 is a schematic view of a cable slack adjuster assembly;

FIG. 6 is a schematic view of a hinge bracket;

FIG. 7 is a schematic view of a hinge assembly;

FIG. 8 is a schematic view of a cable fixing joint;

in the figure, 1-bracket I, 2-pulley bracket, 3-pulley I, 4-steel cable, 5-guide bar, 6-beam, 7-bracket I, 8-bracket II, 9-bracket III, 10-bracket II, 11-pulley II, 12-pulley III, 13-bracket III, 14-pulley IV, 15-adjusting screw, 16-V-shaped piece, 17-ear ring bolt, 18-swivel, 19-double-head stud, 20-hinge shaft bracket, 21-hinge shaft, 22-hinge shaft handle, 23-fork ear bolt type actuating cylinder joint, 24-ear ring bolt type actuating cylinder fixed joint, 25-pulley V, 26-pulley VI and 27-steel cable fixed joint.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but is not limited thereto.