Backwash filter element of hydraulic support

Abstract

The utility model discloses a backwashing filter element of a hydraulic support. A backwashing filter element of a hydraulic support comprises a cleaning assembly, a top cover, a filter screen and a base, the top cover is detachably installed on the side, away from the base, of the filter screen, the base is fixedly installed on the side, away from the top cover, of the filter screen, the cleaning assembly is rotatably installed in the center of the filter screen, and the cleaning assembly comprises a motor, a fixing strip, an outer cleaning structure and an inner cleaning structure. The motor is fixedly connected with a connecting shaft, a connecting block is fixedly installed at the end, away from the motor, of the connecting shaft, the inner cleaning structure is fixedly connected with the connecting shaft through the connecting block, and the outer cleaning structure and the inner cleaning structure are fixedly connected through a fixing strip. The outer cleaning structure and the inner cleaning structure are matched with each other to clamp the filter screen, and are matched with the motor to drive the outer cleaning structure and the inner cleaning structure to rotate together, so that the filter screen in the backwashing filter element of the hydraulic support cannot be damaged and deformed when the backwashing filter element of the hydraulic support cleans the inner filter element.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of backwashing filter element, specifically is a backwashing filter element of hydraulic support. BACKGROUND

[0002] The backwashing filter is a filter device specially used for filtering emulsion on the liquid inlet pipeline of the hydraulic support. When the emulsion passes through the backwashing filter, impurities in the emulsion will directly adhere to the filter screen on the outer circle of the filter element. The clean emulsion flows into the pipeline system of the support after passing through the filter screen, so as to ensure the normal work of the hydraulic components in the system.

[0003] In the prior art, the backwashing structure of the filter element is disclosed in CN217449205U, which comprises a main unit, a housing, an upper mounting member and a lower mounting member threadedly connected to the top end and the bottom end of the housing, a water inlet pipe and a water outlet pipe arranged on both sides of the upper mounting member, a blowdown pipe arranged at the bottom end of the lower mounting member, and a blowdown valve installed on the blowdown pipe. The backwashing unit comprises a filter frame arranged inside the housing and a scraper plate fixed to the inner wall of the filter frame. The utility model has the beneficial effects that the motor is started, the motor drives the rotating rod to rotate, the main gear follows the rotating rod to rotate, the filter frame is driven to rotate by the main gear, the scraper plate is driven to rotate, the foreign matter adhering to the surface of the filter screen is scraped off by the scraper plate, the filter element is fixed inside the housing by the guide plate, the clamping groove and the filter frame, so that the movement of the filter element is prevented when filtering water, and the filtering effect is affected.

[0004] In the above-mentioned patent, the scraper plate is installed on the outside of the filter element, and the top motor drives the scraper plate to rotate through the gear, so as to scrape off the foreign matter on the outer wall of the filter element. However, this method of scraping off the foreign matter uses a hard scraper plate to continuously contact the outer wall of the filter element, which may cause the internal deformation of the filter element due to the long-term contact of the scraper plate, so that the filter element cannot continue to meet the filtering flow of the emulsion, and the service life of the backwashing structure of the filter element is greatly reduced. UTILITY MODEL CONTENTS

[0005] The utility model aims to overcome the shortcomings of the prior art and provide a backwashing filter element of hydraulic support, which solves the technical problem of internal deformation of the filter element due to the long-term contact of the scraper plate.

[0006] In order to achieve the above object, the utility model is through the following technical scheme to realize: a backwash filter element of hydraulic support, including filter element body, the filter element body includes cleaning assembly, top cap, filter screen, base, the top cap detachable installation in the filter screen far from base's one side, the base fixed mounting in the filter screen far from top cap's one side, the cleaning assembly rotatable installation in the filter screen center position, the cleaning assembly includes motor, fixed strip, outer cleaning structure, inner cleaning structure, motor output fixedly connected with connecting shaft, the connecting shaft far from motor's one end fixed mounting has the connecting block, the inner cleaning structure passes through connecting block with connecting shaft fixed connection, outer cleaning structure with the inner cleaning structure passes through fixed strip and fixes the connection. Outer cleaning structure and inner cleaning structure are fixedly connected through the fixed strip, make the internal structure of backwash filter element of hydraulic support more firm and reliable, greatly improve the stability of backwash filter element of hydraulic support operation.

[0007] Further, the outer cleaning structure includes a scraper, an inner groove is formed in the middle position of the scraper, an embedded body is fixedly installed in the inner groove of the scraper, and a plurality of straight brushes for filtering hole cleaning are fixedly installed on the side of the embedded body away from the scraper. The straight brushes can clean the holes of the filter screen, improving the quality of cleaning the internal filter element of the backwash filter element of the hydraulic support.

[0008] Further, the outer cleaning structure further includes a smooth sleeve for smooth rotation of the cleaning assembly, and the smooth sleeve is sleeved on the end of the scraper away from the straight brush. The smooth sleeve is sleeved on the end of the scraper away from the straight brush, which makes the rotation of the cleaning assembly more smooth, improving the practicality of the use of the backwash filter element of the hydraulic support.

[0009] Further, the outer cleaning structure and the inner cleaning structure are fixedly installed with a limiting piece at the end away from the smooth sleeve, and the limiting piece is used for limiting and fixing the fixed strip. The limiting piece is used for limiting and fixing the fixed strip, which makes the internal structure of the backwash filter element of the hydraulic support more firm, improving the safety of the operation of the backwash filter element of the hydraulic support.

[0010] Further, an outer shell is nested on the outside of the filter element body, water inlets and outlets are respectively installed on the two sides of the outer shell, a fixing assembly is fixedly installed on the side of the outer shell away from the water inlet, and the filter element body is fixed through the hole in the base. The fixing assembly fixes the filter element body through the hole in the base, which makes the filter element body more firmly fixed on the base, improving the stability of the operation of the backwash filter element of the hydraulic support.

[0011] Further, the straight hair brush is made of carbon fiber material. When the straight hair brush penetrates into the filter screen hole, it can clean it more quickly, thereby improving the internal cleaning quality of the backwashing filter element of the hydraulic support.

[0012] Further, the embedded body is made of rubber material with inclined grooves on one side. The embedded body is made of rubber material with inclined grooves on one side, so that the straight hair brush is installed obliquely, which facilitates insertion into the filter screen hole, thereby improving the practicality of operation of the backwashing filter element of the hydraulic support. Advantages

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] The utility model discloses an external cleaning structure and internal cleaning structure are cooperated to clamp the filter screen, and cooperate with the motor to rotate with the external cleaning structure and internal cleaning structure, so that the filter screen of the backwashing filter element of the hydraulic support does not deform when cleaning the internal filter core, and the service life of the backwashing filter element of the hydraulic support is greatly improved. DETAILED DESCRIPTION

[0015] Figure 1 It is a structure schematic view of the backwashing filter element of the hydraulic support of the utility model;

[0016] Figure 2 It is a three-dimensional structure schematic view of the filter core body of the utility model;

[0017] Figure 3 It is a three-dimensional structure schematic view of the cleaning assembly of the utility model;

[0018] Figure 4 It is a partial enlarged three-dimensional structure schematic view of A of the utility model;

[0019] Figure 5 It is a three-dimensional structure schematic view of the external cleaning structure of the utility model;

[0020] Figure 6 It is a partial enlarged three-dimensional structure schematic view of B of the utility model.

[0021] In the drawing: filter core body 1, water inlet 2, outer shell 3, fixed assembly 4, cleaning assembly 11, top cover 12, filter screen 13, base 14, motor 111, fixed strip 112, external cleaning structure 113, internal cleaning structure 114, connecting block 115, connecting shaft 116, inner groove 1131, smooth sleeve 1132, limiting piece 1133, straight hair brush 1134, embedded body 1135, scraper 1136. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] Embodiments

[0024] The following will be described in detail with reference to the drawings Figure 1 - the drawings Figure 6 The application will be further described in detail. A backwashing filter element of a hydraulic support comprises a filter element body 1, the filter element body 1 comprising a cleaning assembly 11, a top cover 12, a filter screen 13, a base 14, the top cover 12 being detachably mounted on one side of the filter screen 13 away from the base 14, the base 14 being fixedly mounted on one side of the filter screen 13 away from the top cover 12, the cleaning assembly 11 being rotatably mounted at a central position of the filter screen 13, the cleaning assembly 11 comprising a motor 111, a fixed strip 112, an outer cleaning structure 113, and an inner cleaning structure 114, a connecting shaft 116 being fixedly connected to an output end of the motor 111, a connecting block 115 being fixedly mounted on one end of the connecting shaft 116 away from the motor 111, the inner cleaning structure 114 being fixedly connected to the connecting shaft 116 through the connecting block 115, the outer cleaning structure 113 being fixedly connected to the inner cleaning structure 114 through the fixed strip 112, the outer cleaning structure 113 comprising a scraper 1136, an inner groove 1131 being formed at a middle position of the scraper 1136, an embedded body 1135 being fixedly mounted in the inner groove 1131 of the scraper 1136, a plurality of straight hair brushes 1134 for filtering hole cleaning being fixedly mounted on one side of the embedded body 1135 away from the scraper 1136, the outer cleaning structure 113 further comprising a smooth sleeve 1132 for smooth rotation of the cleaning assembly 11, the smooth sleeve 1132 being sleeved on one end of the scraper 1136 away from the straight hair brushes 1134, limit pieces 1133 being fixedly mounted on one end of the outer cleaning structure 113 and the inner cleaning structure 114 away from the smooth sleeve 1132, the limit pieces 1133 being used for limiting and fixing the fixed strip 112, an outer shell 3 being nested on an outer side of the filter element body 1, a water inlet 2 and a water outlet being respectively mounted on two sides of the outer shell 3, a fixing assembly 4 being fixedly mounted on one side of the outer shell 3 away from the water inlet 2, the fixing assembly 4 being used for fixing the filter element body 1 through a hole in the base 14, the straight hair brushes 1134 being made of carbon fiber material, and the embedded body 1135 being made of rubber material with a plurality of inclined grooves on one side.

[0025] The distance between the outer cleaning structure 113 and the inner cleaning structure 114 is consistent with the thickness of the filter screen 13, so that the outer cleaning structure 113 and the inner cleaning structure 114 can scrape off stains on the inner wall and the outer wall of the filter screen 13 at the same time during rotation.

[0026] Wherein, since the top cover 12 is detachable, and the outer cleaning structure 113 and the inner cleaning structure 114 are also connected through the fixing strip 112, when the cleaning assembly 11 needs to be installed, only the top cover 12 needs to be removed, and the outer cleaning structure 113 and the inner cleaning structure 114 are installed respectively, and finally fixed and installed through the fixing strip 112.

[0027] Wherein, since the embedded body 1135 is a rubber material with a plurality of inclined grooves on one side, the straight brush 1134 installed on the embedded body 1135 is inclined, so that the straight brush 1134 can be inserted into the hole of the filter screen 13 more quickly for corresponding cleaning.

[0028] Wherein, the diameter of the circular clamping piece in the fixing assembly 4 and the circular groove in the base 14 is consistent, so that the circular clamping piece in the fixing assembly 4 is inserted into the circular groove in the base 14, and the filter core body 1 is fixed firmly at the center of the outer shell 3.

[0029] The working principle of the utility model is described as follows: when the backwashing filter core of the hydraulic support is used, the water inlet 2 and the water inlet on the outer shell 3 complete the backwashing and the flow of the liquid during the filtration, when the backwashing filter core of the hydraulic support needs to be backwashed, the user directly starts the motor 111, the started motor 111 directly drives the connecting shaft 116 to rotate, since the connecting block 115 fixes the inner cleaning structure 114 and the connecting shaft 116 together, when the connecting shaft 116 rotates, the fixing strip 112, the outer cleaning structure 113 and the inner cleaning structure 114 are directly rotated together, at this time, the scraper 1136 on the outer cleaning structure 113 and the inner cleaning structure 114 directly scrapes off the stains on the inner wall and the outer wall of the filter screen 13, since the embedded body 1135 is a rubber material, the embedded body 1135 is attached to the outside of the filter screen 13 when rotating, when the embedded body 1135 contacts the hole in the filter screen 13, the straight brush 1134 directly inserts into the hole and removes the stains in the hole, and since the cleaning assembly 11 cleans the filter screen 13 by clamping the outer cleaning structure 113 and the inner cleaning structure 114, the shape of the filter screen 13 is not affected, so that when the backwashing filter core of the hydraulic support cleans the internal filter core, it can prevent the shape of the filter screen 13 from changing on the basis of efficiently cleaning the stains on the inner and outer walls of the filter screen 13, greatly improving the practicability of the backwashing filter core of the hydraulic support.

[0030] The technical features of the above embodiments can be combined arbitrarily, in order to make the description simple, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that it is within the scope of the description.

Claims

1. A backflushing filter cartridge for a hydraulic support, characterized in that Including filter core body (1), the filter core body (1) includes cleaning assembly (11), top cover (12), filter screen (13), base (14), the top cover (12) is detachably installed in the filter screen (13) far from the base (14) one side, the base (14) is fixedly installed in the filter screen (13) far from the top cover (12) one side, the cleaning assembly (11) rotatably installed in the filter screen (13) center position, the cleaning assembly (11) includes motor (111), fixed strip (112), outer cleaning structure (113), inner cleaning structure (114), the motor (111) output end is fixedly connected with connecting shaft (116), the connecting shaft (116) is fixedly installed with connecting block (115) in the end far from the motor (111), the inner cleaning structure (114) is fixedly connected with the connecting shaft (116) through the connecting block (115), the outer cleaning structure (113) and the inner cleaning structure (114) are fixedly connected through the fixed strip (112).

2. The back-flushing filter element of claim 1, wherein: The outer cleaning structure (113) includes a scraper (1136), an inner groove (1131) is formed in the middle position of the scraper (1136), the scraper (1136) is fixedly installed with an embedded body (1135) in the inner groove (1131), a plurality of straight brushes (1134) for filtering hole cleaning are fixedly installed on the side of the embedded body (1135) away from the scraper (1136).

3. The back-flushing filter element of claim 2, wherein: The outer cleaning structure (113) further includes a smooth sleeve (1132) for smooth rotation of the cleaning assembly (11), the smooth sleeve (1132) is fitted on the end of the scraper (1136) away from the straight brush (1134).

4. The back-flushing filter element of claim 3, wherein: The outer cleaning structure (113) and the inner cleaning structure (114) are both fixedly installed with a limiting piece (1133) at the end away from the smooth sleeve (1132), and the limiting piece (1133) is used for limiting and fixing the fixed strip (112).

5. The back-flushing filter element of claim 1, wherein: The filter core body (1) is nested with an outer shell (3) outside, the outer shell (3) is provided with a water inlet (2) and a water outlet on both sides, respectively, a fixed assembly (4) is fixedly installed on the side of the outer shell (3) away from the water inlet (2), and the fixed assembly (4) is fixed through the hole in the base (14) to fix the filter core body (1).

6. The back-flushing filter element of claim 2, wherein: The straight brush (1134) is made of carbon fiber material.

7. The back-flushing filter element of claim 2, wherein: The embedded body (1135) is made of rubber material with a plurality of inclined grooves on one side.

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