CN214022402U

CN214022402U - Cleaning device for immersed water treatment sleeve

Info

Publication number: CN214022402U
Application number: CN202021951786.2U
Authority: CN
Inventors: 李高洁; 李亮
Original assignee: Shanghai Lishi Electrical Co ltd
Current assignee: Shanghai Lishi Electrical Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-08-24
Anticipated expiration: 2030-09-08

Abstract

The application relates to a cleaning device for an immersed water treatment sleeve, which comprises a screw rod, a scraper and a nut pair, wherein two ends of the screw rod are respectively rotatably erected on flanges at two end faces, a mounting ring is fixed on the outer side wall of the nut pair, the scraper is sleeved on the mounting ring, two ends of the nut pair are provided with rotating bearings, the nut pair is in interference fit with the inner ring of the rotating bearing, the scraper is provided with an assembly hole, the inner wall of the assembly hole is provided with a sliding key groove along the axial direction in a penetrating way, the mounting ring is fixed with a sliding key, the length direction of the sliding key is parallel to the axial line of the mounting ring, the sliding key is embedded into the sliding key groove, the sliding key is in sliding fit with the sliding key groove, and the diameter of the mounting ring is not less than the outer diameter of the rotating bearing, the outer ring of the rotating bearing is provided with an elastic piece abutting against the scraper, one side wall of the end face flange close to the nut pair is provided with an avoiding groove, and the depth of the avoiding groove is greater than the thickness of the rotating bearing. This application has that the scraper blade protectiveness is strong, effect that factor of safety is high.

Description

Cleaning device for immersed water treatment sleeve

Technical Field

The application relates to the technical field of water treatment, in particular to a cleaning device for an immersed water treatment sleeve.

Background

The ultraviolet reactor for water treatment generally uses a quartz sleeve to isolate water to be treated and an ultraviolet lamp, and the outer surface of quartz glass soaked in water for a long time is easily polluted, so that the transmittance of ultraviolet light is reduced, and the radiation sterilization effect is reduced, so that the outer surface of the quartz sleeve needs to be cleaned regularly to recover the transmittance of the ultraviolet light.

The current publication number is CN 207371978U's chinese patent, and it discloses a submergence formula water treatment sheathed tube cleaning device, including the scraper blade, fix the nut of the intermediate position of scraper blade vice and with the vice complex lead screw of nut, the both ends of lead screw rotatably support respectively on both ends face flange be provided with the confession on the scraper blade the pilot hole that the sleeve pipe passed is provided with two magnetic induction limit switches with controller signal connection on every face flange to magnetic induction limit switch on two face flanges corresponds each other, is provided with two magnetic steel seats that correspond with magnetic induction switch on the scraper blade.

According to the related technology, the lead screw is matched with the nut pair, when the scraper moves to a certain side and the magnetic induction limit switch on the side generates signals, the controller controls the motor to stop or reverse after stopping so as to avoid collision.

However, when the scraper scrapes the sleeve pipe and cleans, and the magnetic induction limit switch breaks down, the scraper easily collides with the flange plate, and the condition that the scraper causes damage to the sleeve pipe occurs, and there is the improvement.

SUMMERY OF THE UTILITY MODEL

When breaking down in order to improve magnetic induction limit switch, the scraper blade easily collides with the ring flange, leads to the scraper blade to cause the problem that the condition of damage takes place to the sleeve pipe, and this application provides a sheathed tube cleaning device is handled to submergence formula water.

The application provides a submergence formula water treatment sheathed tube cleaning device adopts following technical scheme:

a cleaning device for an immersed water treatment sleeve comprises a lead screw, a scraper and a nut pair, wherein two ends of the lead screw are respectively rotatably erected on flanges on two end faces, a mounting ring is fixed on the outer side wall of the nut pair, the scraper is sleeved on the mounting ring, rotating bearings are arranged at two ends of the nut pair, the nut pair is in interference fit with the inner ring of the rotating bearing, a mounting hole is formed in the scraper, a sliding key groove is formed in the inner wall of the mounting hole in a penetrating manner along the axial direction of the nut pair, a sliding key is fixed on the mounting ring, the length direction of the sliding key is parallel to the axis of the mounting ring, the sliding key is embedded into the sliding key groove, the sliding key is in sliding fit with the sliding key groove, the diameter of the mounting ring is not smaller than the outer diameter of the rotating bearing, and an elastic piece abutting against the scraper is arranged on the outer ring of the rotating bearing, an avoiding groove is formed in one side wall, close to the nut pair, of the end face flange, and the depth of the avoiding groove is larger than the thickness of the rotating bearing.

Through adopting above-mentioned technical scheme, when the scraper blade bumps with end flange, the cooperation that slides of the keyway that slides on the vice sliding key of nut and the scraper blade, on the rolling bearing's that the scraper blade will slide to the outer lane, because rolling bearing's outer lane does not take place to rotate, reduced the scraper blade pivoted condition and taken place, help protecting the sleeve pipe of wearing to establish on the scraper blade.

Preferably, the elastic element is a compression spring, a baffle is fixedly sleeved on an outer ring of the rotating bearing, one end of the compression spring is fixed on the baffle, and the other end of the compression spring abuts against the side wall of the scraper.

Through adopting above-mentioned technical scheme, carry out spacingly with the help of compression spring to the scraper blade, help improving the stability of scraper blade.

Preferably, an avoiding groove is formed in one side wall, close to the nut pair, of the end face flange.

Through adopting above-mentioned technical scheme, set up on the lateral wall that is close to the nut pair with the help of at the end face flange and dodge the groove, help reducing the damage that the nut pair and end face flange collision caused.

Preferably, one side of the scraper close to the compression spring is provided with a wear-resistant gasket, and the compression spring is abutted against the wear-resistant gasket.

Through adopting above-mentioned technical scheme, with the help of supporting compression spring tightly on wear pad, help reducing the compression spring and contact the condition emergence that causes the damage to the terminal surface flange with the terminal surface flange for a long time.

Preferably, a buffer pad is arranged on one side of the end face flange close to the scraper.

Through adopting above-mentioned technical scheme, in end face flange and the scraper blade collision process, to buffering by the blotter, the damage that causes the scraper blade when helping reducing the scraper blade and colliding with end face flange.

Preferably, two end face flanges are provided with strain gauge pressure sensors for detecting pressure on the end face flanges in the side walls close to the scraper, the strain gauge pressure sensors are in signal connection with an alarm module, and the alarm module receives and responds to high-level signals output by the strain gauge pressure sensors.

Through adopting above-mentioned technical scheme, with the help of set up foil gage pressure sensor on end flange, help conveniently detecting end flange whether bump, and receive and respond to the high level signal of foil gage pressure sensor output with the help of alarm module, help conveniently to collide the warning operation to the staff.

Preferably, the output end of the strain gauge pressure sensor is in signal connection with a positive phase input end of a comparator, a reference voltage Vref is input to a negative phase input end of the comparator, and the output end of the comparator is in signal connection with an alarm circuit through a switch.

Through adopting above-mentioned technical scheme, when foil gage pressure sensor detects dodging the in-groove pressure and changing, foil gage pressure sensor inputs high level voltage signal to the positive phase input of comparator to compare with the reference voltage Vref of the negative phase input of comparator input, when the detected value exceeded the benchmark value, warning circuit switched on warns the staff, helps making things convenient for the staff in time to detect whether the sheathed tube cleaning device of submergence formula water treatment breaks down.

Preferably, the alarm circuit comprises a buzzer HA and a light emitting diode LED which are connected in parallel.

By adopting the technical scheme, when the sound of the buzzer HA is difficult to identify due to noisy environment, the alarm is given by means of the light emitting diode LED; when the environment is quiet, the working personnel can realize the warning operation by means of the buzzer HA, and the applicability of the alarm circuit for alarming is improved.

Preferably, the buzzer HA is connected in series with a voltage regulating device, and two ends of the light emitting diode LED are respectively connected in parallel with two ends of the voltage regulating device and two ends of the buzzer HA.

By adopting the technical scheme, the voltage in the alarm circuit is adjusted by the voltage adjusting device, so that convenience is brought to workers to adjust the tone of the buzzer HA and the brightness of the light emitting diode LED according to different environments.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the scraping plate collides with the end face flange, the sliding key on the nut pair is in sliding fit with the sliding key groove on the scraping plate, and the scraping plate slides to the outer ring of the rotating bearing;

2. when the strain gauge pressure sensor detects that the pressure in the avoidance groove changes, the strain gauge pressure sensor inputs a high-level voltage signal to a positive phase input end of the comparator and compares the high-level voltage signal with a reference voltage Vref input by a negative phase input end of the comparator, and if a detection value exceeds a reference value, the alarm circuit is conducted to warn a worker, so that the worker can conveniently and timely detect whether the cleaning device of the immersed water treatment sleeve fails;

3. the voltage in the alarm circuit is adjusted by the voltage adjusting device, which is beneficial to the convenience of adjusting the tone of the buzzer HA and the brightness of the light emitting diode LED by the working personnel according to different environments.

Drawings

FIG. 1 is an axial view of the overall structure of a cleaning device embodying primarily an immersion type water treatment socket according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of the nut pair and the rotary bearing structure according to the present embodiment;

fig. 3 is a circuit diagram mainly embodying the alarm circuit in the present embodiment.

Reference numerals: 1. a lead screw; 2. a nut pair; 21. a sliding key; 22. a mounting ring; 3. a squeegee; 31. an assembly hole; 32. a sliding key groove; 33. a wear resistant pad; 4. an end face flange; 41. an avoidance groove; 42. a strain gauge pressure sensor; 43. a cushion pad; 5. a rotating bearing; 51. a baffle plate; 52. a compression spring; 6. an alarm circuit; 61. a buzzer HA; 62. a Light Emitting Diode (LED); 63. a slide rheostat; 7. a relay; 8. a comparator; 9. the motor is driven.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

In the related art, a cleaning device for an immersion type water treatment sleeve comprises a scraper, a nut pair fixed in the middle of the scraper, and a screw rod matched with the nut pair.

The embodiment of the application discloses immersion type water treatment sleeve cleaning device.

Example (b):

referring to fig. 1 and 2, in the related art, a cleaning device of an immersion type water treatment socket includes a scraper 3, a nut pair 2 provided at a middle position of the scraper 3, and a lead screw 1 engaged with the nut pair 2. The scraper 3 is provided with a through hole for the sleeve to pass through. Two ends of the screw rod 1 can be rotatably erected on the two end face flanges 4. And, the one end of lead screw 1 is connected with driving motor 9 through the shaft coupling, and driving motor 9 and controller signal connection, the controller can control the axial motion of scraper blade 3 through the rotation of control driving motor 9.

Referring to fig. 1 and 2, a mounting ring 22 is coaxially fixed on the outer side wall of the nut pair 2, a mounting hole 31 is formed in the middle of the scraper 3, and the mounting ring 22 is embedded into the mounting hole 31. Both ends of the nut pair 2 are sleeved with rotating bearings 5, the nut pair 2 is in interference fit with inner rings of the rotating bearings 5, and the diameter of the mounting ring 22 is not smaller than the outer diameter of the rotating bearings 5. The outer ring of the rotational bearing 5 is provided with an elastic member abutting against the scraper 3 to improve the stability of the scraper 3 on the mounting ring 22. The driving motor 9 drives the screw rod 1 to rotate, the screw rod 1 is in threaded fit with the nut pair 2, the nut pair 2 is guided by the sleeve, the nut pair 2 displaces along the length direction of the screw rod 1, and the reciprocating motion of the nut pair 2 is realized by changing the forward and reverse rotation of the driving motor 9; the scraping plate 3 sleeved on the mounting ring 22 reciprocates along with the nut pair 2 to scrape dirt on the sleeve.

Referring to fig. 2, in the present embodiment, the elastic member employs a compression spring 52. A baffle 51 is fixedly sleeved on the outer ring of the rotating bearing 5, and one end of a compression spring 52 is fixed on the baffle 51. The side of the scraper 3 close to the compression spring 52 is fixedly adhered with a wear-resistant pad 33, and the other end of the compression spring 52 is tightly pressed against the wear-resistant pad 33.

Referring to fig. 1 and 2, a sliding key 21 slot is formed on the inner wall of the assembly hole 31 along the axial direction, and the length direction of the sliding key 21 is parallel to the axis of the mounting ring 22. The mounting ring 22 is fixed with a sliding key 21, the sliding key 21 is embedded into a groove of the sliding key 21, and the sliding key 21 is in sliding fit with the groove of the sliding key 21. An avoiding groove 41 is formed in one side wall, close to the nut pair 2, of the end face flange 4, the depth of the avoiding groove 41 is larger than the thickness of the rotating bearing 5, and after the magnetic induction sensor fails, the rotating bearing 5 is embedded into the avoiding groove 41.

A cushion pad 43 is fixedly attached to the end face flange 4 on the side closer to the blade 33 for collision buffer protection of the blade 3.

When the scraping plate 3 collides with the end face flange 4, the nut pair 2 is partially embedded into an embedded groove formed in the end face flange 4, the sliding key 21 on the nut pair 2 is in sliding fit with the sliding key 21 groove on the scraping plate 3, the scraping plate 3 slides to the outer ring of the rotating bearing 5, the outer ring of the rotating bearing 5 does not rotate, the rotation of the scraping plate 3 is reduced, and the compression spring 52 and the buffer cushion 43 buffer and protect the scraping plate 3 when the scraping plate 3 collides.

Referring to fig. 1 and 3, strain gauge pressure sensors 42 are fixed to both end flanges 4 on the sides close to the scrapers 3. The strain gauge pressure sensor 42 is in signal connection with an alarm module, and the alarm module receives and responds to a high-level signal output by the strain gauge pressure sensor 42 and gives an alarm prompt to a worker. The output end of the strain gauge pressure sensor 42 is connected with the positive phase input end of the comparator 8 through a signal, and the reference voltage Vref is input to the negative phase input end of the comparator 8. The alarm module comprises an alarm circuit 6, and the alarm circuit 6 comprises a buzzer HA61 and a light emitting diode LED62 which are connected in parallel. The buzzer HA61 is connected with a slide rheostat 63 through signals, and a light emitting diode LED62 is connected in parallel with two ends of the voltage regulating device and the buzzer HA 6161. And the output end of the comparator 8 is electrically connected with the input end of the alarm circuit 6 through the relay 7.

In the application, when the strain gauge pressure sensor 42 detects that the pressure on the end face flange 4 changes, the strain gauge pressure sensor 42 inputs a high-level voltage signal to the positive phase input end of the comparator 8, and compares the high-level voltage signal with the reference voltage Vref input by the negative phase input end of the comparator 8, if the detection value exceeds the reference value, the alarm circuit 6 is conducted, and the buzzer HA61 and the light emitting diode LED62 work simultaneously to warn a worker. When maintenance operation is carried out, a worker withdraws the collided scraper 3 from the outer ring of the rotating bearing 5; the operator then returns the screed 3 to the mounting ring 22.

The implementation principle of the embodiment of the application is as follows: in the application, a worker connects the nut pair 2 with the lead screw 1 in a threaded manner, sleeves the two ends of the nut pair 2 with the rotating bearings 5, sleeves the scraper 3 on the mounting ring 22 and carries out primary mounting operation on the cleaning device of the immersed water treatment sleeve; then, the worker inserts the sliding key 21 on the mounting ring 22 into the sliding key 21 groove on the inner wall of the mounting hole 31; then, the worker fixes the baffle 51 on the outer race of the rotary bearing 5, and connects the squeegee 3 with the baffle 51 using the compression spring 52; and a strain gauge pressure sensor 42 is fixed on the end face flange 4, when the strain gauge pressure sensor 42 detects that the pressure on the end face flange 4 changes, the strain gauge pressure sensor 42 inputs a voltage signal to a positive phase input end of the comparator 8 and compares the voltage signal with a reference voltage Vref input by a negative phase input end of the comparator 8, if a detection value exceeds the reference value, the alarm circuit 6 is conducted, and the buzzer HA61 and the light emitting diode LED62 work simultaneously to warn a worker.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an submergence formula water treatment sheathed tube cleaning device, includes lead screw (1), scraper blade (3) and nut pair (2), the both ends of lead screw (1) are the swivel mount respectively and are established on both ends face flange (4), its characterized in that, be fixed with collar (22) on the vice (2) lateral wall of nut, scraper blade (3) cover is established on collar (22), the both ends of nut pair (2) are provided with rolling bearing (5), just nut pair (2) with the inner circle interference fit of rolling bearing (5), be provided with pilot hole (31) on scraper blade (3), pilot hole (31) inner wall has run through along its axial has seted up sliding key (21) groove, be fixed with sliding key (21) on collar (22), the length direction of sliding key (21) is parallel with the axis of collar (22), sliding key (21) embedding sliding key (21) inslot, the sliding key (21) and the sliding key (21) are matched in a sliding mode, the diameter of the mounting ring (22) is not smaller than the outer diameter of the rotating bearing (5), the outer ring of the rotating bearing (5) is provided with an elastic piece abutting against the scraping plate (3), the end face flange (4) is close to the side wall of the nut pair (2) and is provided with an avoiding groove (41), and the depth of the avoiding groove (41) is larger than the thickness of the rotating bearing (5).

2. A cleaning device for an immersion water treatment cartridge as claimed in claim 1, wherein: the elastic piece is a compression spring (52), a baffle (51) is fixedly sleeved on an outer ring of the rotating bearing (5), one end of the compression spring is fixed on the baffle (51), and the other end of the compression spring (52) abuts against the side wall of the scraper (3).

3. A cleaning device for an immersion water treatment cartridge as claimed in claim 2, wherein: one side of the scraper (3) close to the compression spring (52) is provided with a wear-resistant gasket (33), and the compression spring (52) is abutted against the wear-resistant gasket (33).

4. A cleaning device for an immersion water treatment cartridge as claimed in claim 1, wherein: and a buffer cushion (43) is arranged on one side, close to the scraper (3), of the end face flange (4).

5. A cleaning device for an immersion water treatment cartridge as claimed in claim 3, wherein: two be provided with in the lateral wall that end face flange (4) are close to scraper blade (3) and be used for detecting all be provided with foil gage pressure sensor (42) of pressure on end face flange (4), foil gage pressure sensor (42) signal connection has alarm module, alarm module receives and responds to the high level signal of foil gage pressure sensor (42) output.

6. A cleaning apparatus for an immersion water treatment cartridge as claimed in claim 5, wherein: the output end signal of the strain gauge pressure sensor (42) is connected with the positive phase input end of a comparator (8), the negative phase input end of the comparator (8) is inputted with a reference voltage Vref, and the output end of the comparator (8) is connected with an alarm circuit (6) through a switch piece signal.

7. A cleaning apparatus for an immersion water treatment cartridge as claimed in claim 6, wherein: the alarm circuit (6) comprises a buzzer HA (61) and a light emitting diode LED (62) which are connected in parallel.

8. A cleaning device for an immersion water treatment cartridge as claimed in claim 7, wherein: buzzer HA (61) HAs concatenated the regulator device, the both ends of emitting diode LED (62) connect in parallel respectively the regulator device with the both ends of buzzer HA (61).