CN108506239B - Reverse alarm device for machine pump - Google Patents
Reverse alarm device for machine pump Download PDFInfo
- Publication number
- CN108506239B CN108506239B CN201810373000.4A CN201810373000A CN108506239B CN 108506239 B CN108506239 B CN 108506239B CN 201810373000 A CN201810373000 A CN 201810373000A CN 108506239 B CN108506239 B CN 108506239B
- Authority
- CN
- China
- Prior art keywords
- bearing
- pump
- main shaft
- fixedly connected
- alarm device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002184 metal Substances 0.000 claims description 12
- 208000035541 Device inversion Diseases 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000010985 leather Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a reverse alarm device of a pump, which comprises a main shaft, a first bearing, a second bearing, a clock shell, a knocking hammer and a fixed seat, wherein the clock shell is fixed on a frame of the pump by the fixed seat; when the pump rotates positively, the rotating shaft drives the outer ring of the second bearing to rotate together; when the pump is reversed, the rotating shaft drives the main shaft to rotate together through the second bearing; one end of the knocking hammer is fixedly connected with the main shaft, the other end of the knocking hammer is positioned in the bell shell, and the knocking hammer can collide with a bump on the inner wall of the bell shell to give out alarm when the main shaft rotates. Has the advantages that the automatic alarm device with pure mechanical principle, the sensitivity and stability are good, and the safety is high; simple structure, small volume, convenient installation and convenient maintenance.
Description
Technical Field
The invention belongs to the field of machine pump operation safety monitoring and automatic alarm, and particularly relates to a machine pump inversion alarm device.
Background
The reverse pressure relief caused by the reverse rotation of the pump of the water supply equipment and the pump galloping phenomenon cause serious threat to the safe operation of the equipment. The water supply station of the capital airport is two secondary water supply pump stations and is mainly responsible for the water supply safety guarantee within the range of about 40 square kilometers in the whole capital airport area. Although measures for securing the operation of the water supply are complete, if the reverse rotation of the pump occurs once, it is difficult for an attendant to find the reverse rotation of the pump at the first time, the treatment time may be prolonged, and the treatment efficiency may be lowered. An audible and visual alarm system based on photoelectric signals is used, so that the wiring is inconvenient and the safety is poor for a narrow space of a machine room and a complex environment; meanwhile, the audible and visual alarm system based on the photoelectric signal must ensure continuous power on, and once the battery power is consumed or unexpected power failure occurs, the audible and visual alarm system directly loses an alarm function, namely, the use of the audible and visual alarm system is more limited, uncertain factors are more, and the safety is relatively poor.
Disclosure of Invention
The invention provides a machine pump inversion alarm device, which aims to provide a machine pump inversion alarm device with a pure mechanical principle, and has the advantages of high sensitivity, less limited use conditions and effectively improved operation safety of a machine pump.
The invention solves the above-mentioned problems the technical scheme of the problem is as follows: the reversing alarm device of the machine pump comprises a main shaft, a first bearing, a second bearing, a clock shell, a knocking hammer and a fixing seat, wherein the fixing seat is used for fixing the clock shell on a frame of the machine pump; when the pump rotates positively, the rotating shaft drives the outer ring of the second bearing to rotate together; when the pump is reversed, the inner ring and the outer ring of the second bearing are locked, and the rotating shaft drives the total shaft to rotate together through the second bearing; one end of the knocking hammer is fixedly connected with the main shaft, the other end of the knocking hammer is positioned in the clock shell, and the knocking hammer can continuously collide with a bump on the inner wall of the clock shell to continuously give out alarm when the main shaft rotates.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the clock shell comprises an inner cylinder and an outer cylinder which are coaxially arranged, the inner cylinder is fixedly connected with the outer ring of the first bearing coaxially, and a plurality of protruding blocks are arranged on the inner side wall of the outer cylinder.
The improved clock has the advantages that the clock shell can be conveniently and fixedly connected with the outer ring of the first bearing through the inner cylinder of the clock shell, and the connection mode can be interference fit, key connection or welding and the like.
Further, the knocking hammer comprises a fixing bolt, an elastic piece and a hammer head, one end of the elastic piece is fixedly connected with the main shaft through the fixing bolt, and the other end of the elastic piece is fixedly connected with the hammer head.
The improved hammer has the advantages that the hammer comprises the elastic piece, so when the main shaft rotates to drive the hammer to rotate, the hammer head at one end of the elastic piece can collide with the lug in the bell housing to generate sound under the action of centrifugal force after the elastic piece stretches (when the elastic piece is not easy to stretch, the hammer head can collide with the lug when rotating along with the main shaft, and the elastic piece has the effects that the elastic piece is shortened after being elastically bent and deformed, so that the hammer head is separated from the lug, and then returns to stretch to wait for the next collision, so that the hammer head is prevented from being blocked after one-time collision).
Further, the elastic piece is a spring or a metal elastic piece.
The improved spring and the metal elastic sheet are mature elastic pieces, and have the advantages of low processing cost and long service life.
Further, the hammer head is a metal sphere or a metal cylinder.
The improved clock has the advantages that the metal ball body and the metal column body can give out a loud alarm when colliding with the clock shell made of metal.
Further, the fixing seat is angle steel, one end of the angle steel is fixedly connected with the frame of the pump, and the other end of the angle steel is fixedly connected with the bell shell.
The improved structure has the advantages that the fixed seat is angle steel, and the fixed seat is high in rigidity, good in stability, firm and durable.
Further, the anti-slip rubber sleeve is made of polyurethane or leather.
The improved friction wheel has the advantages that polyurethane and leather are materials which are used for increasing friction driving force and are used for a long time for friction wheel rims, and the friction wheel is soft and wear-resistant and has good friction driving effect.
Compared with the prior art, the invention has the beneficial effects that:
1) The automatic alarm device based on the pure mechanical principle has good sensitivity and stability, is not affected by power failure or insufficient power supply electric quantity and the like, and has high safety;
2) The structure is simple, the volume is small, the installation is convenient, the maintenance is convenient, the influence of the space and the environment of a pump room is avoided, wiring and wiring are not needed, and the power resource is not consumed;
3) The inversion alarm device can be directly and conveniently additionally arranged on all the machine pumps, basically does not need to carry out structural improvement on the machine pumps, has good applicability and has higher practical value.
Drawings
FIG. 1 is a schematic diagram of a pump inversion alarm device according to the present invention after being mounted on a pump frame;
fig. 2 is an isometric schematic diagram of a reverse alarm device of a pump provided by the invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a general axis; 2. a first bearing; 3. a second bearing; 4. a bell housing; 5. knocking a hammer; 6. a fixing seat; 7. a frame; 8. an anti-slip rubber sleeve; 9. a rotating shaft; 10. a bump; 50. a fixing bolt; 51. an elastic member; 52. and a hammer head.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 and 2, the invention provides a reverse alarm device of a pump, which comprises a main shaft 1, a first bearing 2, a second bearing 3, a clock shell 4, a knocking hammer 5 and a fixing seat 6, wherein the fixing seat 6 is used for fixing the clock shell 4 on a frame 7 of the pump, an inner ring of the first bearing 2 and an inner ring of the second bearing 3 are both sleeved and fixed on the main shaft 1, an outer ring of the first bearing 2 is fixedly connected with the clock shell 4, the second bearing 3 is a one-way bearing, an anti-slip rubber sleeve 8 is sleeved on the outer ring of the second bearing 3, and the second bearing 3 is in friction transmission connection with a rotating shaft 9 of the pump through the anti-slip rubber sleeve 8; when the pump rotates positively, the rotating shaft 9 drives the outer ring of the second bearing 3 to rotate together; when the pump is reversed, the inner ring and the outer ring of the second bearing 3 are locked, and the rotating shaft 9 drives the main shaft 1 to rotate together through the second bearing 3; one end of the knocking hammer 5 is fixedly connected with the main shaft 1, the other end of the knocking hammer 5 is positioned in the bell housing 4, and the knocking hammer 5 can continuously collide with the bump 10 on the inner wall of the bell housing 4 to continuously give out alarm when the main shaft 1 rotates.
As shown in fig. 1, in one embodiment of the present invention, the clock shell 4 includes an inner cylinder and an outer cylinder that are coaxially disposed, the inner cylinder is fixedly connected with the outer ring of the first bearing 2 coaxially, and a plurality of protrusions 10 are disposed on the inner side wall of the outer cylinder. The inner cylinder and the outer ring can be fixedly connected in an interference fit, key connection, welding, bonding and the like. The inner cylinder and the outer cylinder can be connected through an annular end cover arranged at one end, and the inner cylinder, the outer cylinder and the annular end cover can be integrally formed; the inner cylinder and the outer cylinder can be connected through a plurality of connecting rods/blocks/sheets which are arranged radially.
It should be noted that the bell shell may also be a single cylinder, and the outer ring of the first bearing is welded with the annular end cover at one end of the bell shell, or the outer ring of the first bearing is directly fixedly connected with the inner side of the wall of the bell shell through a plurality of connecting rods/blocks/sheets.
As shown in fig. 1 or fig. 2, in one embodiment of the present invention, the striking hammer 5 includes a fixing bolt 50, an elastic member 51, and a hammer head 52, one end of the elastic member 51 is fixedly connected with the main shaft 1 through the fixing bolt 50, the other end of the elastic member 51 is fixedly connected with the hammer head 52, the elastic member 51 is a spring, and the hammer head 52 is a metal sphere or a metal cylinder.
As shown in fig. 2, in one embodiment of the present invention, the fixing base 6 is an angle steel, one end of the angle steel is fixedly connected with the frame 7 of the pump, and the other end is fixedly connected with the bell housing 4.
In one embodiment of the invention, as shown in fig. 2, the anti-slip gum cover 8 is made of polyurethane or leather. The anti-slip rubber sleeve is fixedly connected with the outer ring of the second bearing.
The invention is arranged on a machine pump, and the working principle is that when the machine pump works normally, namely, when the machine pump rotates positively, a rotating shaft of the machine pump and a second bearing are in friction transmission through an anti-slip rubber sleeve, an outer ring of the second bearing rotates together with the rotating shaft (namely, when the machine pump rotates positively, the second bearing rotates along the unidirectional rotation direction of the second bearing), when the machine pump works abnormally, namely, when the machine pump reverses, the second bearing has a rotation trend opposite to the unidirectional rotation direction of the second bearing, but the second bearing is a unidirectional bearing, so that the inner ring and the outer ring of the second bearing are locked, the rotating shaft of the machine pump can drive a total shaft to rotate through the locked second bearing, a knocking hammer connected with the total shaft rotates along with the total shaft after the total shaft rotates, and at the moment, a worker in a pump room can timely process the reversed machine pump by hearing the alarming sound.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The reversing alarm device for the machine pump is characterized by comprising a main shaft (1), a first bearing (2), a second bearing (3), a bell housing (4), a knocking hammer (5) and a fixing seat (6), wherein the fixing seat (6) is used for fixing the bell housing (4) on a frame (7) of the machine pump, an inner ring of the first bearing (2) and an inner ring of the second bearing (3) are sleeved and fixed on the main shaft (1), an outer ring of the first bearing (2) is fixedly connected with the bell housing (4), the second bearing (3) is a one-way bearing, an anti-slip rubber sleeve (8) is sleeved on the outer ring of the second bearing, and the second bearing (3) is in friction transmission connection with a rotating shaft (9) of the machine pump through the anti-slip rubber sleeve (8); when the pump rotates positively, the rotating shaft (9) drives the outer ring of the second bearing (3) to rotate together; when the pump is turned upside down, the inner ring and the outer ring of the second bearing (3) are locked, and the rotating shaft (9) drives the main shaft (1) to rotate together through the second bearing (3); one end of the knocking hammer (5) is fixedly connected with the main shaft (1), the other end of the knocking hammer (5) is positioned in the bell shell (4), and the knocking hammer (5) can continuously collide with a bump (10) on the inner wall of the bell shell (4) to continuously give out alarm when the main shaft (1) rotates; the bell shell (4) comprises an inner cylinder and an outer cylinder which are coaxially arranged, the inner cylinder is coaxially and fixedly connected with the outer ring of the first bearing (2), and a plurality of protruding blocks (10) are arranged on the inner side wall of the outer cylinder; the knocking hammer (5) comprises a fixing bolt (50), an elastic piece (51) and a hammer head (52), one end of the elastic piece (51) is fixedly connected with the main shaft (1) through the fixing bolt (50), and the other end of the elastic piece (51) is fixedly connected with the hammer head (52).
2. A machine pump inversion alarm device according to claim 1, wherein the elastic member (51) is a spring or a metal elastic sheet.
3. A machine pump inversion alarm device according to claim 1, wherein the hammer head (52) is a metal sphere or a metal cylinder.
4. A machine pump inversion alarm device according to any one of claims 1 to 3, wherein the fixing base (6) is an angle steel, one end of the angle steel is fixedly connected with the frame (7) of the machine pump, and the other end is fixedly connected with the bell housing (4).
5. A machine pump inversion alarm device according to any one of claims 1 to 3, wherein the anti-slip gum cover (8) is made of polyurethane or leather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373000.4A CN108506239B (en) | 2018-04-24 | 2018-04-24 | Reverse alarm device for machine pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373000.4A CN108506239B (en) | 2018-04-24 | 2018-04-24 | Reverse alarm device for machine pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108506239A CN108506239A (en) | 2018-09-07 |
| CN108506239B true CN108506239B (en) | 2024-04-16 |
Family
ID=63383537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810373000.4A Active CN108506239B (en) | 2018-04-24 | 2018-04-24 | Reverse alarm device for machine pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506239B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176084A (en) * | 2019-05-24 | 2019-08-27 | 深圳市劳资创联科技有限公司 | Check card information storage means and system and device based on block chain |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1372682A (en) * | 1973-04-02 | 1974-11-06 | Peterson E R | Reverse motion alarm |
| DE3701828A1 (en) * | 1987-01-23 | 1988-08-04 | Stuehrenberg Rolf | Control device for bell-ringing machines (chime machines) |
| JPH06159006A (en) * | 1992-11-30 | 1994-06-07 | Toshiba Corp | Turbine generator output control device |
| CN201710169U (en) * | 2010-03-31 | 2011-01-19 | 美的集团有限公司 | Alarm device for household electrical appliances |
| CN101982659A (en) * | 2009-06-09 | 2011-03-02 | 斯得-莱特工业有限责任公司 | Method of controlling a pump and motor |
| CN204256480U (en) * | 2014-10-21 | 2015-04-08 | 苏州生益科技有限公司 | A kind ofly rewind pick-up unit for the glass fabric cloth that breaks and be provided with the prepreg manufacturing installation of said apparatus |
| CN105043768A (en) * | 2015-06-30 | 2015-11-11 | 黄山协同轴承有限公司 | Unidirectional bearing durance testing machine |
| CN204922196U (en) * | 2015-07-30 | 2015-12-30 | 浙江利水铜业有限公司 | Can send valve of alarm |
| CN105945472A (en) * | 2016-05-31 | 2016-09-21 | 孙卫香 | Welding car convenient for use |
| CN106157515A (en) * | 2016-08-31 | 2016-11-23 | 成都君华睿道科技有限公司 | A kind of fire alarm installation |
| CN207037034U (en) * | 2017-07-31 | 2018-02-23 | 浙江大元泵业股份有限公司 | Deep well pump one-way motors stall, reversion measuring instrument |
| CN207150154U (en) * | 2017-08-30 | 2018-03-27 | 山西省黄河万家寨水务集团有限公司 | The anti-down rotation protection system of pump motor group |
| CN208123109U (en) * | 2018-04-24 | 2018-11-20 | 北京首都机场动力能源有限公司 | A kind of pump reversing warning device |
-
2018
- 2018-04-24 CN CN201810373000.4A patent/CN108506239B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1372682A (en) * | 1973-04-02 | 1974-11-06 | Peterson E R | Reverse motion alarm |
| DE3701828A1 (en) * | 1987-01-23 | 1988-08-04 | Stuehrenberg Rolf | Control device for bell-ringing machines (chime machines) |
| JPH06159006A (en) * | 1992-11-30 | 1994-06-07 | Toshiba Corp | Turbine generator output control device |
| CN101982659A (en) * | 2009-06-09 | 2011-03-02 | 斯得-莱特工业有限责任公司 | Method of controlling a pump and motor |
| CN201710169U (en) * | 2010-03-31 | 2011-01-19 | 美的集团有限公司 | Alarm device for household electrical appliances |
| CN204256480U (en) * | 2014-10-21 | 2015-04-08 | 苏州生益科技有限公司 | A kind ofly rewind pick-up unit for the glass fabric cloth that breaks and be provided with the prepreg manufacturing installation of said apparatus |
| CN105043768A (en) * | 2015-06-30 | 2015-11-11 | 黄山协同轴承有限公司 | Unidirectional bearing durance testing machine |
| CN204922196U (en) * | 2015-07-30 | 2015-12-30 | 浙江利水铜业有限公司 | Can send valve of alarm |
| CN105945472A (en) * | 2016-05-31 | 2016-09-21 | 孙卫香 | Welding car convenient for use |
| CN106157515A (en) * | 2016-08-31 | 2016-11-23 | 成都君华睿道科技有限公司 | A kind of fire alarm installation |
| CN207037034U (en) * | 2017-07-31 | 2018-02-23 | 浙江大元泵业股份有限公司 | Deep well pump one-way motors stall, reversion measuring instrument |
| CN207150154U (en) * | 2017-08-30 | 2018-03-27 | 山西省黄河万家寨水务集团有限公司 | The anti-down rotation protection system of pump motor group |
| CN208123109U (en) * | 2018-04-24 | 2018-11-20 | 北京首都机场动力能源有限公司 | A kind of pump reversing warning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108506239A (en) | 2018-09-07 |
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