CN214742040U

CN214742040U - Pressure maintaining device for screw pump of electric locomotive

Info

Publication number: CN214742040U
Application number: CN202120700781.0U
Authority: CN
Inventors: 王宪伟
Original assignee: Taiyuan Zhicheng Locomotive And Vehicle Parts Co ltd
Current assignee: Taiyuan Zhicheng Locomotive And Vehicle Parts Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-16
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses an electric locomotive screw pump pressure maintenance device, including the screw pump body, still include purification structure, purification structure includes filter vat, installation barrel and inlet structure, and the setting is run through on the top of filter vat, and the bottom mounting intercommunication of filter vat has the gas guide cylinder, and the bottom of gas guide cylinder passes through the screw intercommunication and installs the inlet end at the screw pump body, and the installation barrel is installed on the inside top of filter vat, and the vertical intercommunication in top of installation barrel is fixed with the air guide barrel, and inlet structure is installed to the screw thread in the air guide barrel. The utility model discloses can carry out filtration at the air inlet end of screw pump and handle, and then make things convenient for the quick air-purifying in later stage, guarantee that the pressure output in the screw pump is balanced.

Description

Pressure maintaining device for screw pump of electric locomotive

Technical Field

The utility model relates to an electric locomotive screw pump technical field especially relates to an electric locomotive screw pump pressure maintenance device.

Background

The screw pump is a rotary pump which conveys liquid or boosts the liquid by means of volume change and movement of an engagement space formed by a pump body and a screw, and has the characteristics of stable flow, small pressure pulsation, self-absorption capacity, low noise, high efficiency, long service life and reliable work.

Therefore, a pressure maintaining device for a screw pump of an electric locomotive is needed, which can perform air filtration treatment at the air inlet end of the screw pump, thereby facilitating the rapid air purification in the later period and ensuring the pressure output balance in the screw pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric locomotive screw rod pump pressure maintaining device aims at improving current screw pump and lacks dedicated filter equipment at the air inlet end, contains the dust in the air of entering, and the dust deposit leads to the air to flow smoothly in the screw pump, leads to the pressure in the screw pump to appear unbalance, and then can not stably guarantee the problem of the pressure output of air.

The utility model discloses a realize like this:

the utility model provides an electric locomotive screw pump pressure maintenance device, includes the screw pump body, still includes purification structure, purification structure includes the filter vat, installation spiral shell section of thick bamboo and inlet structure, and the top of filter vat is run through the setting, and the bottom mounting intercommunication of filter vat has the air guide cylinder, and the bottom of air guide cylinder passes through the screw intercommunication and installs the inlet end at the screw pump body, and the installation spiral shell section of thick bamboo is installed on the inside top of filter vat, and the vertical intercommunication in top of installation spiral shell section of thick bamboo is fixed with the air guide spiral shell section of thick bamboo, and inlet structure is installed to the screw thread in the air guide spiral shell section of thick bamboo.

Furthermore, the internal thread has been seted up at the inner wall top of filter vat, and the internal thread of filter vat and installation screw barrel screw thread fit connection.

And then seted up the internal thread through the inner wall top of filter vat, and the internal thread of filter vat is connected with installation spiral shell section of thick bamboo screw-thread fit to make things convenient for later stage equipment to connect the filter vat and install the spiral shell section of thick bamboo, make things convenient for the later stage dismouting to change the filter media in the filter vat.

Furthermore, the filter screen is horizontally inserted at the bottom side of the interior of the filter vat, and filter cotton is filled right above the filter screen in the interior of the filter vat.

And then the inside bottom side level through the filter vat is pegged graft and is had the filter screen, and has filled the filter pulp directly over the inside filter screen of filter vat, utilizes the filter screen to support the filter pulp, prevents the filter pulp deformation, appears the gap, influences the filter effect.

Furthermore, the filter screen is inserted to the level of the inside filter pulp's of filter vat top, and has filled the filter cloth directly over the inside filter screen of filter vat, and the slip is inserted on the inside filter cloth top surface of filter vat and is had the filter screen.

And then the top level of the inside filter pulp through the filter vat is pegged graft and is had the filter screen, and has filled the filter cloth directly over the inside filter screen of filter vat, and slides on the inside filter cloth top surface of filter vat and peg graft and have the filter screen to support the filter cloth and form the filter layer to the air.

Further, the air inlet structure comprises an air inlet screw cylinder and an electrostatic net cylinder, the air inlet screw cylinder is installed on the air guide screw cylinder in a threaded mode, and the electrostatic net cylinder is vertically fixed on the top surface of the air inlet screw cylinder.

And then including admitting air a spiral shell section of thick bamboo and static net section of thick bamboo through the inlet structure, admit air spiral shell section of thick bamboo screw thread and install on the air guide spiral shell section of thick bamboo, and the vertical static net section of thick bamboo that is fixed with on the top surface of the spiral shell section of thick bamboo that admits air to easy to assemble inlet structure and installation spiral shell section of thick bamboo carry out electrostatic precipitator through static net section of thick bamboo to the air simultaneously and filter.

Furthermore, a filter screen cylinder is vertically arranged on the outer side of the electrostatic screen cylinder on the top surface of the air inlet screw cylinder, and the bottom end of the filter screen cylinder is welded on the top surface of the air inlet screw cylinder.

And then the outside through static net section of thick bamboo on the top surface of the spiral shell section of thick bamboo that admits air is vertical to be provided with a filter screen section of thick bamboo, and filter screen section of thick bamboo bottom welding is on the top surface of the spiral shell section of thick bamboo that admits air, and then carries out coarse filtration to the air that gets into and get rid of bulky impurity.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses

When the pressure maintaining device of the screw pump of the electric locomotive is used, when the screw pump body is used, external air flows in from the purifying structure, the air sequentially passes through the filter screen cylinder and the electrostatic screen cylinder on the air inlet structure, the air passes through the mounting screw barrel and the filtering barrel of today, the air passes through the filter cloth and the filter cotton in turn to carry out multi-pass filtering and dust removal on the air, then air enters from the air inlet end of the screw pump body through the air guide cylinder, so that air filtration treatment can be carried out at the air inlet end of the screw pump, therefore, the air can be quickly purified in the later period, and the pressure output balance in the screw pump can be ensured, so that the problems that the existing screw pump is lack of a special filtering device at the air inlet end, the entering air contains dust, the dust is deposited in the screw pump to cause unsmooth air flow, the pressure in the screw pump is unbalanced, and the pressure output of the air can not be stably ensured can be solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a schematic view of the exploded structure of the present invention;

FIG. 3 is an exploded view of the purification structure in an embodiment of the present invention;

fig. 4 is an exploded schematic view of the filter barrel according to the embodiment of the present invention;

fig. 5 is an exploded schematic view of the air inlet screw barrel according to the embodiment of the present invention.

In the figure: 1. a screw pump body; 2. a purification structure; 21. a filter vat; 211. an internal thread; 212. an air guide cylinder; 213. filtering with a screen; 214. filtering cotton; 215. filtering cloth; 22. installing a screw cylinder; 221. an air guide screw cylinder; 23. an air intake structure; 231. an air inlet screw cylinder; 232. an electrostatic screen cylinder; 233. a screen cylinder.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3, 4 and 5, a pressure maintaining device for a screw pump of an electric locomotive comprises a screw pump body 1 and a purifying structure 2, wherein the purifying structure 2 comprises a filter vat 21, an installation screw cylinder 22 and an air inlet structure 23, the top end of the filter vat 21 is arranged in a penetrating manner, the top of the inner wall of the filter vat 21 is provided with an internal thread 211, and the internal thread 211 of the filter vat 21 is in threaded fit connection with the installation screw cylinder 22, so that the filter vat 21 and the installation screw cylinder 22 are conveniently assembled and connected in a later period, and a filter medium in the filter vat 21 is conveniently disassembled and replaced in the later period; a filter screen 213 is horizontally inserted into the bottom side of the interior of the filter vat 21, filter cotton 214 is filled right above the filter screen 213 in the interior of the filter vat 21, the filter cotton 214 is supported by the filter screen 213, and the filter cotton 214 is prevented from deforming, generating gaps and affecting the filtering effect; a filter screen 213 is horizontally inserted at the top of the inner filter cotton 214 of the filter vat 21, filter cloth 215 is filled right above the inner filter screen 213 of the filter vat 21, and the filter screen 213 is inserted on the top surface of the inner filter cloth 215 of the filter vat 21 in a sliding manner, so that the filter cloth 215 is supported to form a filter layer for air; the bottom end of the filter barrel 21 is fixedly communicated with the gas guide barrel 212, the bottom end of the gas guide barrel 212 is communicated and installed at the gas inlet end of the screw pump body 1 through a screw, the top end inside the filter barrel 21 is provided with the installation barrel 22, the top end of the installation barrel 22 is vertically communicated and fixed with the gas guide barrel 221, the gas inlet structure 23 is installed in the gas guide barrel 221 in a threaded mode, the gas inlet structure 23 comprises a gas inlet barrel 231 and an electrostatic net barrel 232, the gas inlet barrel 231 is installed on the gas guide barrel 221 in a threaded mode, and the electrostatic net barrel 232 is vertically fixed on the top surface of the gas inlet barrel 231, so that the gas inlet structure 23 and the installation barrel 22 are conveniently installed, and meanwhile, electrostatic dust removal and filtration are carried out on air through the electrostatic net barrel 232; the outside of the static net section of thick bamboo 232 is vertically provided with filter screen section of thick bamboo 233 on the top surface of spiral shell section of thick bamboo 231 admits air, and the welding of filter screen section of thick bamboo 233 bottom is on the top surface of spiral shell section of thick bamboo 231 admits air, and then carries out coarse filtration to the air that gets into and get rid of bulky impurity.

When the screw pump pressure maintaining device of the electric locomotive is used, when the screw pump body 1 is used, external air flows in from the purifying structure 2, the air sequentially passes through the filter screen cylinder 233 and the electrostatic screen cylinder 232 on the air inlet structure 23, the air passes through the installation screw cylinder 22 in the filter barrel 21 today, the air sequentially passes through the filter cloth 215 and the filter cotton 214 to perform multi-pass filtering and dust removal on the air, and then the air enters from the air inlet end of the screw pump body 1 through the air guide cylinder 212, so that the air filtering treatment can be performed at the air inlet end of the screw pump, the air can be rapidly purified at the later stage, and the pressure output balance in the screw pump is ensured.

The working principle is as follows: when the screw pump pressure maintaining device of the electric locomotive is used, when the screw pump body 1 is used, external air flows in from the purifying structure 2, the air sequentially passes through the filter screen cylinder 233 and the electrostatic screen cylinder 232 on the air inlet structure 23, the air passes through the installation screw cylinder 22 in the filter barrel 21 today, the air sequentially passes through the filter cloth 215 and the filter cotton 214 to perform multi-pass filtering and dust removal on the air, and then the air passes through the air guide cylinder 212 and enters from the air inlet end of the screw pump body 1.

The device obtained by the design can basically meet the requirements of the pressure maintaining device of the screw pump of the electric locomotive, which can carry out air filtration treatment at the air inlet end of the screw pump, further facilitate the rapid air purification in the later period and ensure the pressure output balance in the screw pump, but the designer further improves the device by aiming at further perfecting the function of the pressure maintaining device.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric locomotive screw pump pressure maintenance device, includes screw pump body (1), its characterized in that: still include purification structure (2), purification structure (2) include filter vat (21), installation barrel (22) and inlet structure (23), the top of filter vat (21) is run through the setting, and the bottom mounting intercommunication of filter vat (21) has gas cylinder (212), and the bottom of gas cylinder (212) passes through the screw intercommunication and installs the inlet end at screw pump body (1), the inside top installation barrel (22) of filter vat (21), and the vertical intercommunication in top of installation barrel (22) is fixed with air guide barrel (221), inlet structure (23) are installed to the screw thread in air guide barrel (221).

2. The pressure maintaining device for the screw pump of the electric locomotive according to claim 1, wherein the filtering barrel (21) is provided with an internal thread (211) at the top of the inner wall, and the internal thread (211) of the filtering barrel (21) is in threaded fit connection with the mounting barrel (22).

3. The pressure maintaining device for the screw pump of the electric locomotive according to claim 2, wherein the inner bottom side of the filtering barrel (21) is horizontally inserted with a filter screen (213), and the right upper side of the inner filter screen (213) of the filtering barrel (21) is filled with filter cotton (214).

4. The pressure maintaining device for the screw pump of the electric locomotive according to claim 3, wherein the top of the inner filter cotton (214) of the filter barrel (21) is horizontally inserted with a filter screen (213), the filter cloth (215) is filled right above the inner filter screen (213) of the filter barrel (21), and the filter screen (213) is slidably inserted on the top surface of the inner filter cloth (215) of the filter barrel (21).

5. The pressure maintaining device of the screw pump of the electric locomotive according to claim 4, wherein the air inlet structure (23) comprises an air inlet screw cylinder (231) and an electrostatic net cylinder (232), the air inlet screw cylinder (231) is installed on the air guide screw cylinder (221) in a threaded manner, and the electrostatic net cylinder (232) is vertically fixed on the top surface of the air inlet screw cylinder (231).

6. The pressure maintaining device of the screw pump of the electric locomotive according to claim 5, wherein the top surface of the air inlet screw cylinder (231) is vertically provided with a filter screen cylinder (233) outside the electrostatic screen cylinder (232), and the bottom end of the filter screen cylinder (233) is welded on the top surface of the air inlet screw cylinder (231).