阅读说明：本技术 一种生产用活塞环快捷安装装置及安装方法 (Rapid installation device and installation method for piston ring for production ) 是由 卢华 方梦龙 姜鑫宇 张平泽 于 2020-12-24 设计创作，主要内容包括：本发明提出了一种生产用活塞环快捷安装装置及安装方法,属于发动机活塞领域。解决了现有发动机活塞环不易装配的问题。它包括活塞环、托环、阀杆、气缸、连杆机构、环槽、活片、勾板、分配器和气动系统,环槽与托环相连,活片数量为两个,两个活片设置在环槽内部左右两侧,每个活片上固定连接有勾板,两个两个活片的底端均与连杆机构的一端相连,连杆机构的另一端与气缸的活塞相连,气缸的上端和下端均气动系统相连,托环底部穿接有阀杆,阀杆底端插入分配器内,通过弹簧与分配器相连,分配器与气动系统相连,托环上放置活塞连杆组件的活塞头部,活塞环放置在托环的活塞环槽中,活塞环的开口卡入两个勾板中。它主要用于发动机活塞环装配。(The invention provides a device and a method for quickly mounting a piston ring for production, and belongs to the field of engine pistons. The problem of current engine piston ring difficult assembly is solved. It includes the piston ring, the filler ring, the valve rod, the cylinder, link mechanism, the annular, the flap, collude the board, distributor and pneumatic system, the annular links to each other with the filler ring, flap quantity is two, two flap settings are in the inside left and right sides of annular, fixedly connected with colludes the board on every flap, the bottom of two flaps all links to each other with link mechanism's one end, link mechanism's the other end links to each other with the piston of cylinder, the equal pneumatic system of upper end and the lower extreme of cylinder links to each other, the valve rod has been worn to connect bottom the filler ring, the valve rod bottom inserts in the distributor, link to each other with the distributor through the spring, the distributor links to each other with pneumatic system, place piston link assembly's piston head on the filler ring, the piston ring is placed in the piston ring groove of filler ring. The piston ring assembling machine is mainly used for assembling the piston ring of the engine.)

1. The utility model provides a production is with swift installation device of piston ring which characterized in that: it comprises a piston ring (1), a supporting ring (2), a valve rod (3), a cylinder (5), a link mechanism (6), an annular groove (7), movable pieces (8), a hook plate (9), a distributor (13) and a pneumatic system, wherein the annular groove (7) is connected with the supporting ring (2), the number of the movable pieces (8) is two, the two movable pieces (8) are arranged at the left side and the right side inside the annular groove (7), the hook plate (9) is fixedly connected with each movable piece (8), the bottom ends of the two movable pieces (8) are all connected with one end of the link mechanism (6), the other end of the link mechanism (6) is connected with a piston of the cylinder (5), the upper end and the lower end of the cylinder (5) are connected with the pneumatic system, the valve rod (3) is connected at the bottom of the supporting ring (2), the bottom end of the valve rod (3) is inserted into the distributor (13) and is connected with the distributor (13) through a spring, the distributor (13) is connected with a pneumatic system, the piston head of the piston connecting rod component (14) is placed on the supporting ring (2), the piston ring (1) is placed in a piston ring groove of the supporting ring (2), and an opening of the piston ring (1) is clamped into the two hook plates (9).

2. The quick installation device for the piston ring for production as claimed in claim 1, wherein: pneumatic system includes first connecting line (4), second connecting line (12), control gas circuit (21), main gas circuit (22), first control pipeline (23), second control pipeline (24) and switching-over valve (25) of supplying, control gas circuit (21) and main gas circuit (22) of supplying all link to each other with air supply (16), main gas circuit (22) of supplying links to each other with switching-over valve (25), control gas circuit (21) link to each other with distributor (13), distributor (13) link to each other with switching-over valve (25) through first control pipeline (23) and second control pipeline (24), switching-over valve (25) link to each other with cylinder (5) lower extreme through first connecting line (4), switching-over valve (25) link to each other with cylinder (5) upper end through second connecting line (12).

3. A quick-mounting device for a piston ring for production according to claim 2, characterized in that: the air source (16) is connected with the control air path (21) and the main air supply path (22) through the water-dividing air filter (18).

4. A quick-mounting device for a piston ring for production according to claim 3, characterized in that: a valve (17) is arranged between the water-dividing air filter (18) and the air source (16).

5. A quick-mounting device for a piston ring for production according to claim 2, characterized in that: and the control air path (21) is provided with a pressure regulating valve (19).

6. A quick-mounting device for a piston ring for production according to claim 2, characterized in that: and a pressure gauge (20) is arranged on the control air path (21).

7. The quick installation device for the piston ring for production as claimed in claim 1, wherein: and a positioning screw (10) is arranged on the supporting ring (2).

8. The quick installation device for the piston ring for production as claimed in claim 1, wherein: and a tension spring (15) is arranged between the connecting rod mechanisms (6).

9. The quick installation device for the piston ring for production as claimed in claim 1, wherein: the movable sheet (8) is of an arc-shaped structure, and the connecting rod mechanisms (6) are hinged and connected through a plurality of connecting rods.

10. The method for installing a quick installation device for a piston ring for production as set forth in claim 1, wherein: it comprises the following steps:

step 1: the piston ring (1) is placed in a piston ring groove of the supporting ring (2), and an opening of the piston ring (1) is clamped in hook plates (9) of a left movable sheet and a right movable sheet (8);

step 2: the piston head in the piston connecting rod assembly (14) is placed on the supporting ring (2), and the piston skirt in the piston connecting rod assembly (14) presses down the valve rod (3) of the distributor (13) in the low-pressure control air passage (21);

and step 3: compressed air enters the air cylinder (5) from the first connecting pipeline (4), the movable piece (8) in the ring groove (7) is pushed to slide upwards along the arc of the ring groove (7) through the connecting rod mechanism (6), and a hook plate (9) arranged at the head of the movable piece (8) hooks an opening of the piston ring (1) to open;

and 4, step 4: moving the piston connecting rod assembly (14) inwards to penetrate through the piston ring (1) until the piston head in the piston connecting rod assembly (14) abuts against the positioning screw (10), and lifting the piston connecting rod assembly (14) upwards, wherein the piston ring (1) is sleeved at the corresponding position of the piston connecting rod assembly (14) to finish installation;

and 5: when the device is reset, the valve rod (3) is reset upwards under the action of the spring (11), compressed air enters the cylinder (5) from the second connecting pipeline (12) instead, the piston moves downwards, and the whole device is reset.

Technical Field

The invention belongs to the field of engine pistons, and particularly relates to a quick installation device and an installation method for a piston ring for production.

Background

In the production and maintenance process of the engine, the piston and the piston ring are precise parts, and any scratch and assembly error cannot occur. At present, most engine manufacturers still adopt a mode of manually or simply breaking the piston ring openings one by one to install the piston ring, so that the assembly mode is high in labor intensity of workers and low in production efficiency, and once force is applied improperly, the opening amount of the piston ring opening is too large, the ring is easily broken or damaged, the opening amount is too small, the piston is easily scratched, and hidden troubles are buried in normal operation of the engine.

Disclosure of Invention

The invention provides a device and a method for quickly mounting a piston ring for production, which aim to solve the problems in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a piston ring quick mounting device for production comprises a piston ring, a supporting ring, a valve rod, an air cylinder, a connecting rod mechanism, an annular groove, a movable sheet, a hook plate, a distributor and a pneumatic system, the ring groove is connected with the supporting ring, the number of the loose pieces is two, the two loose pieces are arranged at the left side and the right side in the ring groove, each loose piece is fixedly connected with a hook plate, the bottom ends of the two movable sheets are both connected with one end of a connecting rod mechanism, the other end of the connecting rod mechanism is connected with a piston of the cylinder, the upper end and the lower end of the cylinder are connected with a pneumatic system, the bottom of the supporting ring is connected with a valve rod in a penetrating way, the bottom end of the valve rod is inserted into the distributor, the piston ring is arranged in a piston ring groove of the supporting ring, and an opening of the piston ring is clamped into the two hook plates.

Furthermore, the pneumatic system comprises a first connecting pipeline, a second connecting pipeline, a control gas circuit, a main gas supply circuit, a first control pipeline, a second control pipeline and a reversing valve, wherein the control gas circuit and the main gas supply circuit are connected with a gas source, the main gas supply circuit is connected with the reversing valve, the control gas circuit is connected with a distributor, the distributor is connected with the reversing valve through the first control pipeline and the second control pipeline, the reversing valve is connected with the lower end of the cylinder through the first connecting pipeline, and the reversing valve is connected with the upper end of the cylinder through the second connecting pipeline.

Furthermore, the air source is connected with the control air path and the main air supply path through the water-dividing air filter.

Furthermore, a valve is arranged between the water-dividing air filter and the air source.

Furthermore, a pressure regulating valve is arranged on the control air path.

Furthermore, a pressure gauge is arranged on the control gas path.

Furthermore, a positioning screw is arranged on the supporting ring.

Furthermore, a tension spring is arranged between the connecting rod mechanisms.

Furthermore, the movable sheet is of an arc-shaped structure, and the connecting rod mechanisms are hinged and connected through a plurality of connecting rods.

The invention also provides a quick installation device and an installation method of the piston ring for production, which comprises the following steps:

step 1: the piston ring is placed in a piston ring groove of the backing ring, and the opening of the piston ring is clamped in the hook plates of the left and right movable sheets;

step 2: the piston head in the piston connecting rod assembly is placed on the supporting ring, and the piston skirt in the piston connecting rod assembly presses down the valve rod of the distributor in the low-pressure control gas circuit;

and step 3: compressed air enters the cylinder through the first connecting pipeline, the movable piece in the ring groove is pushed to slide upwards along the circular arc of the ring groove through the connecting rod mechanism, and the hook plate arranged at the head of the movable piece hooks the opening of the piston ring to open the piston ring;

and 4, step 4: moving the piston connecting rod assembly inwards to penetrate through the piston ring until the piston head in the piston connecting rod assembly abuts against the positioning screw, and lifting the piston connecting rod assembly upwards, wherein the piston ring is sleeved at the corresponding position of the piston connecting rod assembly to finish installation;

and 5: when the valve rod is reset, the valve rod is reset upwards under the action of the spring, compressed air enters the cylinder from the second connecting pipeline instead, the piston moves downwards, and the whole device is reset.

Compared with the prior art, the invention has the beneficial effects that: the invention solves the problem that the existing engine piston ring is not easy to assemble. The device has the advantages of small and compact structure, quick and convenient assembly, time and labor saving, no damage to the piston and the piston ring, reduction of manual labor intensity, improvement of production efficiency, guarantee of quality safety of key parts of the engine, and wide application in engine production and maintenance manufacturers.

Drawings

FIG. 1 is a schematic front view of a quick piston ring installation device for manufacturing according to the present invention;

FIG. 2 is a schematic side view of a quick piston ring installation device for manufacturing according to the present invention;

FIG. 3 is a schematic cross-sectional view of a ring according to the present invention;

FIG. 4 is a schematic side view of the ring of the present invention;

FIG. 5 is a schematic perspective view of a ring according to the present invention;

FIG. 6 is a schematic view of a connection structure of a flap and a hook plate according to the present invention;

fig. 7 is a schematic diagram of the pneumatic system of the present invention.

1-a piston ring, 2-a supporting ring, 3-a valve rod, 4-a first connecting pipeline, 5-an air cylinder, 6-a link mechanism, 7-an annular groove, 8-a movable sheet, 9-a hook plate, 10-a positioning screw, 11-a spring, 12-a second connecting pipeline, 13-a distributor, 14-a piston link assembly, 15-a tension spring, 16-an air source, 17-a valve, 18-a water-diversion air filter, 19-a pressure regulating valve, 20-a pressure gauge, 21-a control air circuit, 22-a main air supply circuit, 23-a first control pipeline, 24-a second control pipeline and 25-a reversing valve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely explained below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1-7 to illustrate the embodiment, a piston ring quick installation device for production comprises a piston ring 1, a supporting ring 2, a valve rod 3, an air cylinder 5, a link mechanism 6, an annular groove 7, two flaps 8, a hook plate 9, a distributor 13 and a pneumatic system, wherein the annular groove 7 is connected with the supporting ring 2, the two flaps 8 are provided at the left and right sides inside the annular groove 7, the hook plate 9 is fixedly connected to each flap 8, the bottom ends of the two flaps 8 are both connected with one end of the link mechanism 6, the other end of the link mechanism 6 is connected with a piston of the air cylinder 5, the upper end and the lower end of the air cylinder 5 are both connected with the pneumatic system, the valve rod 3 is connected to the bottom of the supporting ring 2 in a penetrating manner, the bottom end of the valve rod 3 is inserted into the distributor 13 and is connected with the distributor 13 through a spring 11, the distributor 13 is connected with the pneumatic system, the piston head of a piston link assembly 14 is, the piston ring 1 is placed in the piston ring groove of the carrier ring 2, and the opening of the piston ring 1 is snapped into the two hook plates 9.

The pneumatic system of the embodiment comprises a first connecting pipeline 4, a second connecting pipeline 12, a control gas path 21, a main gas supply path 22, a first control pipeline 23, a second control pipeline 24 and a reversing valve 25, wherein the control gas path 21 and the main gas supply path 22 are both connected with a gas source 16, the main gas supply path 22 is connected with the reversing valve 25, the control gas path 21 is connected with a distributor 13, the distributor 13 is connected with the reversing valve 25 through the first control pipeline 23 and the second control pipeline 24, the reversing valve 25 is connected with the lower end of a cylinder 5 through the first connecting pipeline 4, the reversing valve 25 is connected with the upper end of the cylinder 5 through the second connecting pipeline 12, the gas source 16 is connected with the control gas path 21 and the main gas supply path 22 through a water distribution gas filter 18, a valve 17 is arranged between the water distribution gas filter 18 and the gas source 16, a pressure regulating valve 19 is arranged on the control gas path 21, a pressure gauge 20 is arranged on the control gas path 21, a tension spring 15 is arranged between the connecting rod mechanisms 6, the movable piece 8 is of an arc-shaped structure, and the connecting rod mechanisms 6 are hinged and connected through a plurality of connecting rods.

When the piston ring connecting rod assembly 14 is used, a set of piston ring 1 is placed into a piston ring groove of a supporting ring 2, an opening of the piston ring 1 is clamped into hook plates 9 of a left movable piece 8 and a right movable piece 8, a piston head in the piston connecting rod assembly 14 is placed onto the supporting ring 2, a piston skirt in the piston connecting rod assembly 14 presses down a valve rod 3 of a distributor 13 in a low-pressure control gas circuit 21 at the moment, compressed air enters a cylinder 5 from a first connecting pipeline 4, the movable pieces 8 in the ring groove 7 are pushed to slide upwards along an arc of the ring groove 7 through a connecting rod mechanism 6, the hook plates 9 arranged at the heads of the movable pieces 8 hook the opening of the piston ring 1 to open, at the moment, the piston connecting rod assembly 14 is moved inwards to penetrate through the piston ring 1 until the piston head in the piston connecting rod assembly 14 abuts against a positioning screw 10, the piston connecting rod. When the device is reset, the valve rod 3 is reset upwards under the action of the spring 11, compressed air enters the cylinder 5 from the second connecting pipeline 12 instead, the piston moves downwards, and the whole device is reset.

In the embodiment, the link mechanism 6 and the two movable pieces 8 form a four-bar linkage, the left part of the link mechanism 6, the movable pieces 8 and the hook plate 9 in fig. 1 are solid lines, the original position of the device is shown in a reset state of the air cylinder 5, the movable pieces 8 are in an unopened state under the action of the tension spring 15, and at this time, the piston ring 1 can be placed in the piston ring groove of the backing ring 2. In fig. 1, the right half of the link mechanism 6, the flap 8 and the hook plate 9 are chain double-dashed lines, and show that after the device is operated, the piston of the cylinder 5 moves upwards to the top position, the flap 8 is at the opening position, and the opening of the piston ring 1 is in the opening state.

As shown in fig. 7, the working principle of the pneumatic system in the device is as follows: the air source 16 is divided into a control air path 21 and a main air supply path 22 after passing through the valve 17 and the water-dividing air filter 18, the valve 17 plays a role of switching on and off the air source 16, and the water-dividing air filter 18 plays a role of separating and filtering water and gas. The low-pressure control air path 21 adjusts the low-pressure control air path 21 to reach proper air pressure through the pressure regulating valve 19, the pressure gauge 20 indicates the air pressure of the low-pressure control air path 21, when the piston head in the piston connecting rod assembly 14 is placed on the supporting ring 2, the piston skirt presses down the valve rod 3 of the distributor 13 in the low-pressure control air path 21, the distributor 13 reverses the low-pressure control air path 21, the low-pressure control air enters the reversing valve 25 through the second control pipeline 24, the reversing valve 25 reverses the main air supply path 22, the piston of the reversing valve 25 moves upwards, at the moment, the main air supply path 22 enters the cylinder 5 through the first connecting pipeline 4 through the reversing valve 25, the piston of the cylinder 5 is pushed to move upwards, the connecting rod mechanism 6 moves upwards, the hook plate 9 arranged at the head of the movable piece 8 hooks the opening of the piston ring 1. After the piston ring 1 is installed, the piston connecting rod assembly 14 is taken away, the valve rod 3 of the distributor 13 on the low-pressure control air passage 21 moves upwards and resets under the action of the spring 11, low-pressure control air enters the reversing valve 25 through the first control pipeline 23, the piston of the reversing valve 25 moves downwards, the main air supply passage 22 enters the air cylinder 5 through the reversing valve 25 and the second connecting pipeline 12, the piston of the air cylinder 5 is pushed to move downwards, the connecting rod mechanism 6 is pushed to move downwards, the hook plate 9 installed at the head of the movable piece 8 resets, and a working process is completed.

The invention provides a quick installation device and an installation method for a piston ring for production, which are described in detail above, wherein specific examples are applied to explain the principle and the implementation mode of the invention, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.