CN218644546U - Air pump and air pressure early warning system for electric shovel - Google Patents

Abstract

The utility model discloses an air pump and wind pressure early warning system for electric shovel relates to the relevant technical field of electric shovel, including air pump main part, intake pipe, stop rod, filter screen and gag lever post, the intake pipe is fixed to be pegged graft in the side of air pump main part, stop rod fixed connection is in the inside of intake pipe, the inner wall of filter screen sliding connection at the intake pipe, gag lever post fixed connection is in the side of filter screen, gag lever post activity is pegged graft in the side of stop rod; the dust cleaning component comprises a motor, a screw rod, a brush plate, an ash discharge port and a collecting box, wherein the motor is arranged on the side surface of the filter screen. This application drives the screw rod through the motor and scrapes with the brush board rotation and to the dust on filter screen surface and sweep, makes the screw rod drive motor and filter screen removal and will scrape the dust propelling movement that falls to arrange in the ash hole and discharge to collecting the box simultaneously through blockking the pole, and then be convenient for reduce the dust and constantly pile up in the intake pipe and lead to the possibility that the intake pipe blockked up.

Description

Air pump and air pressure early warning system for electric shovel

Technical Field

The utility model relates to a relevant technical field of electric shovel, especially an air pump and wind pressure early warning system for electric shovel.

Background

When an air pump is stopped by theft or an air path is blocked by air leakage, a driver cannot predict the air pressure condition when the pressure of an air pump or the air path is lost, if the air pressure is lower than a safety value (0.65 Mpa), the electric shovel can be automatically stopped, but can continue to rotate for a certain distance due to motion inertia, so that the electric shovel has the danger of scraping a cart and a working side, and the sudden stop can also generate great abrasion on the band-type brake of each part.

The air that inhales is filtered through the filter screen to current part air pump when using to isolate the dust, the dust of isolating constantly piles up in the filter screen side, leads to easily when the dust is too much to filter the possibility of jam.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section as well as in the abstract of the specification and the utility model name, some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the invention.

The utility model discloses the problem that exists in the air pump for the electric shovel and the wind pressure early warning system that have/or have now in view has been proposed the utility model discloses.

Therefore, one of the purposes of the present invention is to provide an air pump for an electric shovel, which can solve the problem that the air inlet pipe is blocked by dust.

In order to solve the technical problem, the utility model provides a following technical scheme: an air pump for an electric shovel comprises a dust blocking assembly, and comprises an air pump main body, an air inlet pipe, a blocking rod, a filter screen and a limiting rod, wherein the air inlet pipe is fixedly inserted into the side face of the air pump main body; and the number of the first and second groups,

the dust cleaning assembly comprises a motor, a screw rod, a brush plate, an ash discharge port and a collecting box, wherein the motor is arranged on the side face of the filter screen, the screw rod is rotatably connected to the side face of the filter screen, the screw rod is inserted into the side face of the blocking rod in a threaded manner, the brush plate is fixedly connected to the side face of the screw rod, the side face of the brush plate is slidably connected with the side face of the filter screen, the ash discharge port is formed in the inner wall of the air inlet pipe, the collecting box is fixedly inserted into the inner wall of the ash discharge port, and the dust cleaning assembly is arranged inside the dust blocking assembly.

Based on the technical characteristics: be convenient for block great object through blockking the pole to reduce the possibility that great object enters into inside the intake pipe and carries out the shutoff to intake pipe and filter screen, be convenient for filter the dust through the filter screen, drive the screw rod through the motor and scrape with the dust that the brush board is rotatory and to the filter screen surface and sweep.

As an optimized scheme of air pump for electric shovel, wherein: the blocking rod is in a cross shape, and the edge of one end, far away from the air inlet pipe, of the blocking rod is subjected to fillet treatment.

Based on the technical characteristics: the blocking rod is convenient for blocking larger objects, so that the possibility that the larger objects enter the air inlet pipe is reduced.

As an electric shovel uses an optimal selection scheme of air pump, wherein: the quantity of gag lever post is two, two the gag lever post is symmetrical about the filter screen.

Based on the technical characteristics: the filter screen is convenient to limit through the limiting rod, so that the possibility that the filter screen rotates along with the motor when the motor drives the screw to rotate is reduced.

As an electric shovel uses an optimal selection scheme of air pump, wherein: the motor is arranged at the rear side of the filter screen, and the filter screen is arranged at the rear side of the blocking rod.

Based on the technical characteristics: larger objects are convenient to block through the blocking rod, and then smaller objects such as dust are filtered through the filter screen.

As an optimized scheme of air pump for electric shovel, wherein: the number of the brush plates is two, and the two brush plates are symmetrical about the screw rod.

Based on the technical characteristics: the two brush plates are driven by the screw rod to rotate, so that dust on the surface of the filter screen can be conveniently swept.

As an optimized scheme of air pump for electric shovel, wherein: the brush board comprises even board and a plurality of brush, a plurality of the brush equidistance is the straight line and distributes in the side of even board.

Based on the technical characteristics: the scraping effect of the brush plate on the filter screen is convenient to increase through the matching of the plurality of brushes.

As an electric shovel uses an optimal selection scheme of air pump, wherein: the side of screw rod is fixed the cover and is connected with the bearing, the bearing is fixed the side of pegging graft at the filter screen.

Based on the technical characteristics: the friction force between the screw rod and the filter screen during rotation is reduced conveniently through the bearing, so that the screw rod is driven to rotate conveniently through the motor.

As an optimized scheme of air pump for electric shovel, wherein: the side surface of the collecting box is movably inserted with a water storage box, and water is stored in the water storage box.

Based on the technical characteristics: the dust falling into the collecting box can be wetted conveniently by the water in the water storage box, so that the possibility that the dust is scattered into the air inlet pipe again can be reduced.

To sum up, the utility model discloses a following at least one beneficial effect: drive the screw rod through the motor and brush the board rotation and scrape the dust on filter screen surface and sweep, make the screw rod drive motor and filter screen removal and will scrape the dust propelling movement that falls to arranging the ash hole in and discharging to collecting the box through blockking the pole simultaneously, and then be convenient for reduce the dust and constantly pile up in the air inlet pipe and lead to the possibility of intake pipe jam.

Another object of the utility model is to provide a wind pressure early warning system not only can solve the problem that the dust blockked up the intake pipe, and can also solve the problem that carries out the warning to the operator when the wind pressure is lower.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a wind pressure early warning system, includes as above-mentioned air pump for the electric shovel, still includes the early warning subassembly, including pressure relay, pressure relay sets up the side at the air pump main part, pressure relay's output is connected with starting switch, starting switch's output is connected with the buzzer siren, the early warning subassembly sets up the side at the fender dirt subassembly.

Based on the technical characteristics: when the wind pressure in the wind pump main body reaches the wind pressure low-limit early warning value, the starting switch is controlled to be started through the pressure relay, and therefore the buzzer alarm is turned on through the starting switch.

As a preferred scheme of wind pressure early warning system, wherein: the buzzer alarm is composed of an alarm horn and an alarm lamp, and the alarm horn and the alarm lamp are both electrically connected with the pressure relay.

Based on the technical characteristics: the alarm horn and the alarm lamp are matched to warn an operator at the same time, so that the alarm effect of the buzzer alarm is increased conveniently.

To sum up, the utility model discloses a following at least one beneficial effect: set up pressure relay wind pressure low limit early warning value, control starting switch through pressure relay when the inside wind pressure of air pump main part reaches wind pressure low limit early warning value and starts to open the buzzer siren through starting switch, and then be convenient for warn the inside wind pressure of operator air pump main part and hang down excessively.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic structural view of an air pump for an electric shovel according to the present invention;

FIG. 2 is a sectional view of the air pump for an electric shovel according to the present invention;

fig. 3 is the utility model discloses wind pressure early warning system's connection of electric lines schematic diagram.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 2, in order to implement the technical problem of the first exclusive in the present embodiment, the problem that the air inlet pipe 102 is blocked by dust can be solved, and this embodiment provides an air pump for an electric shovel, which includes a dust blocking assembly 100, including an air pump main body 101, an air inlet pipe 102, a blocking rod 103, a filter screen 104 and a limiting rod 105, wherein the air inlet pipe 102 is fixedly inserted in the side of the air pump main body 101, the air pump main body 101 is arranged in the side of the electric shovel, and external air is conveniently sucked into the air pump main body 101 through the air inlet pipe 102 and is conveyed into the electric shovel; the blocking rod 103 is fixedly connected inside the air inlet pipe 102, and a larger object can be conveniently blocked by the blocking rod 103; the filter screen 104 is connected to the inner wall of the air inlet pipe 102 in a sliding manner, and smaller objects can be blocked conveniently by the filter screen 104; the limiting rod 105 is fixedly connected to the side face of the filter screen 104, and the limiting rod 105 is movably inserted into the side face of the blocking rod 103.

The dust cleaning assembly 200 comprises a motor 201, a screw 202, a brush plate 203, an ash discharge port 204 and a collecting box 205, wherein the motor 201 is arranged on the side surface of the filter screen 104, the screw 202 is rotationally connected to the side surface of the filter screen 104, and the screw 202 is driven to rotate conveniently by the motor 201; the screw 202 is inserted in the side surface of the blocking rod 103 in a threaded manner, and the screw 202 rotates to drive the motor 201 to do linear motion; the brush plate 203 is fixedly connected to the side surface of the screw 202, the side surface of the brush plate 203 is in sliding connection with the side surface of the filter screen 104, and the brush plate 203 is driven by the screw 202 to rotate so as to be convenient for scraping dust on the surface of the filter screen 104; the dust discharge port 204 is formed in the inner wall of the air inlet pipe 102, the collecting box 205 is fixedly inserted into the inner wall of the dust discharge port 204, the dust cleaning assembly 200 is arranged inside the dust blocking assembly 100, and dust swept by the brush plate 203 is conveniently discharged through the dust discharge port 204, so that the dust is collected through the collecting box 205.

Specifically, referring to fig. 2, in order to limit the filter screen 104, the number of the limiting rods 105 is two, the two limiting rods 105 are symmetrical with respect to the filter screen 104, and the limiting rods 105 are used for limiting the filter screen 104, so that the possibility that the filter screen 104 rotates along with the screw 202 driven by the motor 201 is reduced.

Specifically, referring to fig. 2, in order to increase the scraping effect of the brush plate 203 on the filter screen 104 in this embodiment, the brush plate 203 is composed of a connecting plate and a plurality of brushes, the plurality of brushes are equidistantly distributed in a straight line on the side of the connecting plate, and the scraping effect of the brush plate 203 on the filter screen 104 is conveniently increased through the cooperation of the plurality of brushes.

Specifically, referring to fig. 2, in order to reduce the friction between the screw 202 and the filter screen 104 when the screw 202 rotates, a bearing 202a is fixedly sleeved on the side surface of the screw 202, the bearing 202a is fixedly inserted into the side surface of the filter screen 104, and the friction between the screw 202 and the filter screen 104 when the screw 202 rotates is conveniently reduced through the bearing 202a, so that the screw 202 is conveniently driven to rotate by the motor 201.

Specifically, referring to fig. 2, in order to clean the dust, in this embodiment, a water storage box 205a is movably inserted into a side surface of the collection box 205, water is stored in the water storage box 205a, and the dust falling into the collection box 205 is wetted by the water in the water storage box 205a, so that the possibility that the dust is drifted into the air inlet pipe 102 is reduced, and the sewage in the interior of the collection box is cleaned by drawing out the water storage box 205 a.

In summary, the blocking rod 103 is convenient for blocking a larger object, so that the possibility that the larger object enters the air inlet pipe 102 and blocks the air inlet pipe 102 and the filter screen 104 is reduced; the dust is conveniently filtered through the filter screen 104, so that the possibility that the dust is continuously accumulated inside the air pump main body 101 and the air pump main body 101 is damaged is reduced; drive screw rod 202 and brush board 203 rotation and sweep the dust on filter screen 104 surface through motor 201, it is spacing to screw rod 202 through blocking pole 103 simultaneously, it is spacing to carry out filter screen 104 through gag lever post 105 simultaneously, thereby make screw rod 202 drive motor 201 and be linear motion with filter screen 104, thereby the dust propelling movement that will scrape through filter screen 104 is discharged to collecting box 205 in to arranging ash hole 204 in, and then be convenient for reduce the dust and constantly pile up in intake pipe 102 and lead to the possibility that intake pipe 102 blockked up.

Example 2

Referring to fig. 2, a second embodiment of the present invention is based on the previous embodiment, except that an air pump for an electric shovel is further optimized.

Specifically, referring to fig. 2, in order to reduce the possibility that dust continuously enters the air inlet pipe 102, the blocking rod 103 is cross-shaped in the embodiment, a rounded corner is formed on an edge of the blocking rod 103, which is far away from one end of the air inlet pipe 102, and the blocking rod 103 is convenient for blocking a large object, so that the possibility that the large object enters the air inlet pipe 102 and blocks the air inlet pipe 102 and the filter screen 104 is reduced.

Specifically, referring to fig. 2, in order to reduce the possibility that dust continuously enters the air inlet pipe 102, in this embodiment, the motor 201 is located at the rear side of the filter screen 104, the filter screen 104 is located at the rear side of the blocking rod 103, the blocking rod 103 is used for conveniently blocking large objects, and then the filter screen 104 is used for filtering small objects such as dust, so that the possibility that dust continuously enters the air pump main body 101 and causes the air pump main body 101 to be damaged is reduced.

Specifically, referring to fig. 2, in order to realize that dust is continuously accumulated to cause the filter screen 104 to be blocked, the number of the brush plates 203 is two, the two brush plates 203 are symmetrical with respect to the screw 202, and the screw 202 drives the two brush plates 203 to rotate so as to facilitate the dust on the surface of the filter screen 104 to be swept, thereby reducing the possibility that the dust is continuously accumulated to cause the filter screen 104 to be blocked.

In summary, the blocking rod 103 is convenient for blocking a large object, so that the possibility that the large object enters the air inlet pipe 102 and blocks the air inlet pipe 102 and the filter screen 104 is reduced, and meanwhile, the filter screen 104 filters a small object such as dust, so that the possibility that the dust continuously enters the air pump main body 101 and causes the air pump main body 101 to be damaged is reduced.

Example 3

Referring to fig. 3, for the utility model discloses the third embodiment, in order to realize corresponding utility model content part about the technical problem of second exclusive right in this embodiment, can solve the problem that the wind pressure warns the operator when lower, this embodiment provides a wind pressure early warning system, including pressure relay 301, pressure relay 301 sets up the side at air pump main part 101, and pressure relay 301's output is connected with starting switch 302, and starting switch 302's output is connected with buzzer siren 303, and early warning subassembly 300 sets up the side at fender dirt subassembly 100, starts through pressure relay 301 control starting switch 302 when the inside wind pressure of air pump main part 101 reaches wind pressure low limit early warning value to start the alarm through starting switch 302 with buzzer siren 303.

Specifically, referring to fig. 3, in order to realize increasing the alarm effect of buzzer siren 303 in this embodiment, buzzer siren 303 comprises warning loudspeaker and alarm lamp, and warning loudspeaker and alarm lamp all are connected with pressure relay 301 electricity, warn the operator simultaneously through warning loudspeaker and alarm lamp cooperation to be convenient for increase buzzer siren 303's alarm effect.

To sum up, at first, set pressure relay 301 good wind pressure low limit early warning value, reach wind pressure low limit early warning value when the inside wind pressure of air pump main part 101 and start through pressure relay 301 control starting switch 302 to open buzzer siren 303 through starting switch 302, and then be convenient for warn the inside wind pressure of operator air pump main part 101 and hang down excessively.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (10)

1. The utility model provides an air pump for electric shovel which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the dust blocking assembly (100) comprises an air pump main body (101), an air inlet pipe (102), a blocking rod (103), a filter screen (104) and a limiting rod (105), wherein the air inlet pipe (102) is fixedly inserted into the side face of the air pump main body (101), the blocking rod (103) is fixedly connected into the air inlet pipe (102), the filter screen (104) is slidably connected to the inner wall of the air inlet pipe (102), the limiting rod (105) is fixedly connected to the side face of the filter screen (104), and the limiting rod (105) is movably inserted into the side face of the blocking rod (103); and (c) a second step of,

dust cleaning assembly (200), including motor (201), screw rod (202), brush board (203), dust discharge port (204) and collection box (205), motor (201) sets up the side at filter screen (104), screw rod (202) rotate and connect the side at filter screen (104), screw rod (202) screw thread is pegged graft in the side that blocks pole (103), brush board (203) fixed connection is in the side of screw rod (202), the side of brush board (203) and the side sliding connection of filter screen (104), dust discharge port (204) are seted up at the inner wall of intake pipe (102), collect box (205) fixed pegging graft in the inner wall of dust discharge port (204), dust cleaning assembly (200) sets up the inside at dust blocking assembly (100).

2. The air pump for electric shovels as set forth in claim 1, wherein: the blocking rod (103) is in a cross shape, and the edge of one end, far away from the air inlet pipe (102), of the blocking rod (103) is subjected to fillet treatment.

3. The air pump for electric shovel of claim 2, wherein: the number of the limiting rods (105) is two, and the two limiting rods (105) are symmetrical relative to the filter screen (104).

4. The air pump for an electric shovel according to claim 1 or 3, wherein: the motor (201) is arranged on the rear side of the filter screen (104), and the filter screen (104) is arranged on the rear side of the blocking rod (103).

5. The air pump for electric shovel of claim 1, wherein: the number of the brush plates (203) is two, and the two brush plates (203) are symmetrical about the screw rod (202).

6. The air pump for electric shovel according to claim 5, characterized in that: the brush plate (203) is composed of a connecting plate and a plurality of brushes, and the brushes are distributed on the side surface of the connecting plate in a straight line at equal intervals.

7. The air pump for electric shovel according to claim 5, characterized in that: the side of screw rod (202) is fixed cup joints bearing (202 a), bearing (202 a) fixed grafting is in the side of filter screen (104).

8. The air pump for electric shovels as set forth in claim 1, wherein: the side surface of the collection box (205) is movably inserted with a water storage box (205 a), and water is stored in the water storage box (205 a).

9. The utility model provides a wind pressure early warning system which characterized in that: comprising the air pump for electric shovels according to any one of claims 1 to 8, further comprising,

early warning subassembly (300), including pressure relay (301), pressure relay (301) set up the side in air pump main part (101), the output of pressure relay (301) is connected with starting switch (302), the output of starting switch (302) is connected with buzzer siren (303), early warning subassembly (300) set up the side at keep off dirt subassembly (100).

10. The wind pressure early warning system according to claim 9, wherein: the buzzer alarm (303) is composed of an alarm horn and an alarm lamp, and the alarm horn and the alarm lamp are both electrically connected with the pressure relay (301).

Images