CN210360181U

CN210360181U - Manual dismouting platform of sprayer

Info

Publication number: CN210360181U
Application number: CN201921097934.6U
Authority: CN
Inventors: 李少岩; 孙振伟; 柯春; 张贺; 张学礼; 宋传琦; 赵资恒
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-21
Anticipated expiration: 2029-07-15

Abstract

The utility model provides a manual dismouting platform of sprayer, it relates to a dismouting platform of sprayer, the utility model discloses a solve current Cummins PT sprayer dismouting, directly use button power spanner to carry out the dismouting by the manual work, because of the easy problem that the error appears of dismouting that does not have positioning tool to lead to, the utility model discloses a cylinder, the cover body, locating plate, supporting component and base, the base level sets up, and the cover body is installed on the cylinder, through supporting component fixed connection between the lower extreme of the cover body and the base, locating plate fixed mounting is at stand subassembly's middle part, and the sprayer passes through locating plate 3 and is connected with supporting component, and the lower extreme of cylinder sets up with the upper end of sprayer relatively, pushes up the sprayer tightly or releases through the piston reciprocating motion in the cylinder. The utility model is used for the dismouting of Cummins PT sprayer. The utility model discloses the location is firm, and the precision is high, safe and reliable, long service life can carry out the dismouting in batches.

Description

Manual dismouting platform of sprayer

Technical Field

The utility model relates to a dismouting platform, concretely relates to manual dismouting platform of Cummins PT sprayer.

Background

The oil injector is a precision device with very high processing precision, and is required to have a large dynamic flow range, strong anti-blocking and anti-pollution capacity and good atomization performance. The fuel injector receives the fuel injection pulse signal sent by the ECU and accurately controls the fuel injection quantity. When the fuel injector is damaged or periodically overhauled, the fuel injector needs to be disassembled and assembled, and the disassembly and assembly of the Cummins PT fuel injector are realized by manually controlling the disassembly and assembly torque of the fuel injector by using a torque wrench. However, due to the fact that precision of used equipment is not high, when workers install the oil sprayer, the oil sprayer is not accurately positioned, errors occur in assembling and disassembling of the oil sprayer, accuracy of the oil sprayer is affected, normal use cannot be achieved, time and labor are consumed in installing of the workers, and working efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current Cummins PT sprayer dismouting, directly use the wrench to carry out the dismouting by the manual work, because of the easy problem that the error appears of dismouting that does not have positioning tool to lead to, and then provide a manual dismouting platform of sprayer.

The utility model discloses a solve the technical scheme that above-mentioned problem was taken and be:

the disassembly and assembly table comprises a cylinder, a cover body, a positioning plate, a supporting assembly and a base, wherein the base is horizontally arranged, the cover body is installed on the cylinder, the lower end of the cover body is fixedly connected with the base through the supporting assembly, the positioning plate is fixedly installed at the middle part of a stand column assembly, a fuel injector is connected with the supporting assembly through the positioning plate 3, the lower end of the cylinder is arranged opposite to the upper end of the fuel injector, and the fuel injector is tightly ejected or released through reciprocating motion of a piston in the cylinder.

Further, the supporting component comprises a left stand column, a right stand column, a supporting plate and an ejector rod, the lower bottom surface of the supporting plate is fixedly connected with the upper surface of the base, the upper end of the left stand column is fixedly connected with the left side of the lower surface of the cover body, the lower end of the left stand column is fixedly connected with the upper surface of the supporting plate, the upper end of the right stand column is fixedly connected with the right side of the lower surface of the cover body, the lower end of the right stand column is fixedly connected with the upper surface of the base, the ejector rod is located between the left stand column and the right stand column, the lower end of the ejector rod is fixedly connected.

Furthermore, the positioning plate is a rectangular plate body, the middle part of the positioning plate is provided with a U-shaped groove for embedding the middle part of the oil injector, the rear part of the left side of the positioning plate is provided with a first groove, and the first groove is connected with the middle part of the left upright post; the front part of the right side of the positioning plate is provided with a second groove, and the second groove is connected with the middle part of the right upright post.

Further, the device also comprises a special dismounting sleeve, and the special dismounting sleeve is sleeved at the sealing ring groove of the oil injector.

Further, the outer surface of the ejector rod is plated with a chromium plating layer.

Further, the thickness of the chromium plating layer is 20 μm to 30 μm.

The utility model has the advantages that:

the lower end of the oil sprayer is pushed into the oil sprayer for supporting by using an ejector rod, the middle part of the oil sprayer is clamped at a sealing ring groove of the oil sprayer for positioning by using a positioning plate, the upper part of the oil sprayer is pushed tightly or released by a piston of a driving cylinder, and the oil sprayer can be accurately positioned by matching the ejector rod of the positioning plate and the cylinder, so that the oil sprayer cannot normally work due to the generation of errors; the utility model discloses the precision is high, safe and reliable, long service life, can carry out the dismouting in batches.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Wherein 1, a cylinder; 2-a cover body; 3, positioning a plate; 4-a support assembly; 5-a base; 6-oil injector; 7-special sleeve for disassembly and assembly; 8-air pressure indicator; 9-pressure regulating valve; 10-gas circuit switch; 11-cylinder control switch; 4-1-left upright; 4-2-right column; 4-3-pallet; 4-4-ejector pin.

Detailed Description

The first embodiment is as follows: the present embodiment is described with reference to fig. 1, the dismounting table of the present embodiment includes a cylinder 1, a cover body 2, a positioning plate 3, a supporting assembly 4 and a base 5, the base 5 is horizontally disposed, the cover body 2 is mounted on the cylinder 1, a lower end of the cover body 2 is fixedly connected with the base 5 through the supporting assembly, the positioning plate 3 is fixedly mounted in the middle of the column assembly, a fuel injector 6 is connected with the supporting assembly through the positioning plate 3, a lower end of the cylinder 1 is disposed opposite to an upper end of the fuel injector, and the fuel injector 6 is pushed or released by a piston reciprocating in the cylinder 1.

The cover body 2 is provided with an air pressure indicator 8, a pressure regulating valve 9, an air path switch 10 and an air cylinder control switch 11, the air path switch 10 is opened, the pressure regulating valve 9 is regulated, the air cylinder 1 obtains a different air pressure value according to the reading on the air pressure indicator 8, and the force acting on the top of the oil injector is changed; then adjusting the cylinder control switch 4 to drive the cylinder piston to move up and down, so as to tightly push or release the oil injector 6; the positioning plate 3 is clamped at the position of a sealing ring groove of the oil sprayer 6 for positioning, so that the oil sprayer cannot horizontally move, the lower end of the oil sprayer is supported by the ejector rod 4-4 of the supporting component 4, and therefore the oil sprayer can be firmly fixed, the oil sprayer 6 can be accurately positioned by the cylinder 1, the positioning plate 3 and the ejector rod 4-4, and the problem that the oil sprayer cannot normally work due to the generation of errors is avoided.

The second embodiment is as follows: referring to fig. 1 to illustrate the present embodiment, the support assembly 4 of the present embodiment includes a left upright 4-1, a right upright 4-2, a support plate 4-3 and a top bar 4-4, the lower bottom surface of the supporting plate 4-3 is fixedly connected with the upper surface of the base 5, the upper end of the left upright post 4-1 is fixedly connected with the left side of the lower surface of the cover body 2, the lower end of the left upright post 4-1 is fixedly connected with the upper surface of the supporting plate 4-3, the upper end of the right upright post 4-2 is fixedly connected with the right side of the lower surface of the cover body 2, the lower end of the right upright post 4-2 is fixedly connected with the upper surface of the base 5, the ejector rod 4-4 is positioned between the left upright post 4-1 and the right upright post 4-2, the lower end of the ejector rod 4-4 is fixedly connected with the supporting plate 4-3, and the upper end of the. The lower end of the fuel injector 6 is jacked into the fuel injector 6 by a jacking rod 4-4 for supporting.

Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the embodiment is described with reference to fig. 1, the positioning plate 3 of the embodiment is a rectangular plate, a U-shaped groove is formed in the middle of the positioning plate 3 for embedding the middle of the fuel injector 6, a first groove is formed in the rear portion of the left side of the positioning plate 3, and the first groove is connected with the middle of the left upright post 4-1; the front part of the right side of the positioning plate 3 is provided with a second groove which is connected with the middle part of the right upright post 4-2. The positioning plate 3 is clamped at the position of a fuel injector sealing ring groove for positioning, and the fuel injector 6 cannot move horizontally through the positioning of the positioning plate 3 and the ejector rod 4-4. Other components and connection relationships are the same as those in the first or second embodiment.

The fourth concrete implementation mode: the embodiment is described with reference to fig. 1, and the device of the embodiment further includes a special dismounting sleeve 7, and the special dismounting sleeve 7 is sleeved at the fuel injector seal ring groove.

So set up, can greatly increased the frictional force between the internal and external screw thread, prevent to drop.

Other components and connection relationships are the same as those in the first, second or third embodiment.

The fifth concrete implementation mode: referring to fig. 1, the present embodiment will be described, in which the outer surface of the lift pins 4-4 is plated with a hard chrome layer. The ejector rod 4-4 can also adopt the processes of quenching and tempering, surface quenching or hard inscription plating and the like, thereby ensuring that the ejector rod 4-4 is not deformed after long-term use and has wear-resistant surface.

Other components and connections are the same as those of the first, second, third or fourth embodiments.

The sixth specific implementation mode: the embodiment will be described with reference to fig. 1, and the thickness of the chromium plating layer in the embodiment is 20 μm to 30 μm. By the arrangement, the hardness of the ejector rod 4-4 can be increased, and the ejector rod is wear-resistant, high-temperature-resistant and corrosion-resistant.

Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.

Principle of operation

When the device is used, the Cummins PT oil sprayer is fixed on a disassembly and assembly table, a mandril 4-4 is used for jacking the lower part of an oil sprayer 6 into the oil sprayer for supporting, the middle part of the oil sprayer is clamped at a sealing ring groove of the oil sprayer for positioning by a positioning plate 3, a special sleeve 7 for disassembling and assembling the oil sprayer is arranged outside the oil sprayer, then a gas circuit switch 10 is opened, a pressure regulating valve 9 is regulated, and the air cylinder obtains a different air pressure value according to the reading number on an air pressure indicating meter 8 so as to change the force acting on the top of the oil sprayer; then the cylinder control switch 11 is adjusted to drive the piston of the cylinder 1 to move up and down, so that the fuel injector 6 is pushed up or released. And then, the oil sprayer is disassembled and assembled by using a torque wrench by a worker.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a manual dismouting platform of sprayer which characterized in that: the disassembly and assembly platform comprises a cylinder (1), a cover body (2), a positioning plate (3), a supporting assembly (4) and a base (5), wherein the base (5) is horizontally arranged, the cover body (2) is a rectangular cover body, the cover body (2) is installed on the cylinder (1), the lower end of the cover body (2) is fixedly connected with the base (5) through the supporting assembly, the positioning plate (3) is fixedly installed in the middle of the supporting assembly (4), a fuel injector (6) is connected with the supporting assembly (4) through the positioning plate (3), the lower end of the cylinder (1) is arranged opposite to the upper end of the fuel injector (6), and the fuel injector (6) is tightly ejected or released through the reciprocating motion of a piston in the cylinder (1).

2. The manual dismouting platform of sprayer of claim 1 characterized in that: the supporting component (4) comprises a left upright post (4-1), a right upright post (4-2), a supporting plate (4-3) and a push rod (4-4), the lower bottom surface of the supporting plate (4-3) is fixedly connected with the upper surface of the base (5), the upper end of the left upright post (4-1) is fixedly connected with the left side of the lower surface of the cover body (2), the lower end of the left upright post (4-1) is fixedly connected with the upper surface of the supporting plate (4-3), the upper end of the right upright post (4-2) is fixedly connected with the right side of the lower surface of the cover body (2), the lower end of the right upright post (4-2) is fixedly connected with the upper surface of the base (5), the push rod (4-4) is positioned between the left upright post (4-1) and the right upright post (4-2) and the lower end of the push rod (4-4) is fixedly, the upper end of the ejector rod (4-4) is connected with the lower end of the fuel injector (6).

3. The manual fuel injector disassembly and assembly table according to claim 1 or 2, characterized in that: the positioning plate (3) is a rectangular plate body, the middle part of the positioning plate (3) is provided with a U-shaped groove for embedding the middle part of the oil sprayer (6), the rear part of the left side of the positioning plate (3) is provided with a first groove, and the first groove is connected with the middle part of the left upright post (4-1); the front part of the right side of the positioning plate (3) is provided with a second groove, and the second groove is connected with the middle part of the right upright post (4-2).

4. The manual dismouting platform of sprayer of claim 1 characterized in that: the manual disassembling and assembling table for the oil sprayer further comprises a special disassembling and assembling sleeve (7), and the special disassembling and assembling sleeve (7) is sleeved at a sealing ring groove of the oil sprayer (6).

5. The manual dismouting platform of sprayer according to claim 2 characterized in that: the outer surface of the ejector rod (4-4) is plated with a chromium coating.

6. The manual dismouting platform of sprayer of claim 5 characterized by: the thickness of the chromium plating layer is 20-30 mu m.