CN213511241U - Explosion-proof pump that operating stability is high - Google Patents
Explosion-proof pump that operating stability is high Download PDFInfo
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- CN213511241U CN213511241U CN202022300936.XU CN202022300936U CN213511241U CN 213511241 U CN213511241 U CN 213511241U CN 202022300936 U CN202022300936 U CN 202022300936U CN 213511241 U CN213511241 U CN 213511241U
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- shaft coupling
- explosion
- proof pump
- operation stability
- high operation
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Abstract
The utility model discloses an explosion-proof pump that operating stability is high belongs to explosion-proof pump technical field, including the base, locate the pump body on the base and locate the motor on the base, through the coupling joint between the pump body and the motor, the shaft coupling outside is equipped with the shaft coupling cover, the shaft coupling covers and is equipped with the through-hole, install the gliding guide arm that can make a round trip in the through-hole, guide arm one end is supported on the shaft coupling outer wall, and the other end stretches out from the through-hole, the shaft coupling covers and is equipped with the elastic component that is used for driving the guide arm towards the shaft coupling action. The shaft coupling is covered by the shaft coupling cover among the prior art, leads to the technical problem of the motion state that operating personnel can't in time observe shaft coupling department, the utility model provides an explosion-proof pump that operating stability is high, it can externally judge the operation stationarity of shaft coupling through the vibration range of guide arm.
Description
Technical Field
The utility model relates to an explosion-proof pump technical field, concretely relates to explosion-proof pump that operating stability is high.
Background
Explosion-proof pumps are widely used in various fluid conveying industries, the explosion-proof pumps need various driving transmission torques to enable the pumps to work, and a transmission device between the pumps and a driving stage is generally a coupling. When the motor turns, the transmission drives the pump to follow the rotation. The transmission in rotation needs the protection of the coupling cover, and the purpose is to avoid mechanical injury protection to personal safety, and simultaneously prevent foreign matters from entering or flying out to cause equipment failure and safety accidents.
Due to the fact that the coupling cover is installed, the coupling is covered by the coupling cover, and therefore an operator cannot observe the motion state of the coupling in time.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The shaft coupling is covered by the shaft coupling cover among the prior art, leads to the technical problem of the motion state that operating personnel can't in time observe shaft coupling department, the utility model provides an explosion-proof pump that operating stability is high, it can externally judge the operation stationarity of shaft coupling through the vibration range of guide arm.
2. Technical scheme
In order to solve the above problem, the utility model provides a technical scheme does:
the utility model provides an explosion-proof pump that operating stability is high, includes the base, locates the pump body on the base and locates the motor on the base, pass through the coupling joint between the pump body and the motor, the shaft coupling outside is equipped with the shaft coupling cover, the shaft coupling covers and is equipped with the through-hole, but install the gliding guide arm of making a round trip in the through-hole, guide arm one end is supported on the shaft coupling outer wall, and the other end stretches out from the through-hole, the shaft coupling covers and is equipped with the elastic component that is used for driving the guide arm towards the shaft.
Optionally, the end of the guide rod abutting against the outer wall of the coupler is provided with an abutting head, and the end of the abutting head abutting against the outer wall of the coupler is arc-shaped.
Optionally, the through hole is formed right above the coupler cover, the guide rod is vertically installed on the through hole, a first oil injection channel is formed in the guide rod, an oil injection port communicated with the first oil injection channel is formed in the guide rod, and a second oil injection channel communicated with the first oil injection channel is formed in the abutting joint.
Optionally, the second oil injection passage includes an oil injection cavity communicating with the first oil injection passage and a plurality of oil injection holes communicating with the oil injection cavity.
Optionally, the oil filling port is provided on the guide bar side wall.
Optionally, the abutting end of the abutting head and the outer wall of the coupler is provided with a polytetrafluoroethylene layer.
Optionally, the coupling cover includes an upper cover, a lower cover and a cover base, one side of the upper cover and one side of the lower cover are hinged, and the other side of the upper cover and the other side of the lower cover are fixed through a connecting structure.
Optionally, the connecting structure includes a first connecting portion disposed on the upper cover body and a second connecting portion disposed on the lower cover body, and the first connecting portion and the second connecting portion are abutted and fixed by a fastener.
Optionally, the guide rod is made of an aluminum material.
Optionally, the surface of the guide rod in the coupling cover is coated with a warning pigment layer
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the coupler cover can avoid mechanical injury to protect personal safety, and simultaneously prevent equipment failure and safety accidents caused by the entering or flying of foreign matters, and the coupler still has good connection performance in severe environment;
(2) when the coupler rotates, one end of the guide rod always abuts against the outer wall of the coupler, the length of the other end of the guide rod extending out of the through hole is kept within a certain range of value and fluctuates in a small range, when the coupler rotates eccentrically, the length of the guide rod extending out of the through hole under the pushing action of the coupler can fluctuate greatly, an operator can judge the running state of the coupler by observing the vibration amplitude of the guide rod externally, and the coupler is overhauled in time once the vibration amplitude of the guide rod is large, so that the coupler has the function of early warning;
(3) the elastic piece is used for driving one end of the guide rod to always abut against the outer wall of the coupler, so that the guide rod can timely feed back the working state of the coupler, and the feedback result has high reliability;
(4) the utility model adopts a mechanical structure to detect the working state of the coupler, compared with the detection by a sensor, the cost is reduced, a complex circuit is not needed, and the service life is greatly prolonged;
drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner structure of the middle coupling cover according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic structural view of a middle coupling cover according to the present invention;
1. a base; 2. a pump body; 3. a motor; 4. a coupling; 41. a butting head; 411. a second oiling channel; 4111. an oil injection cavity; 4112. an oil filler hole; 5. a coupling cover; 51. a through hole; 52. an upper cover body; 53. a lower cover body; 54. a cover body base; 6. a guide bar; 61. a first oiling channel; 62. an oil filling port; 7. an elastic member; 8. a first connection portion; 9. a second connecting portion.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings 1-4 and the accompanying examples.
Example 1
With reference to fig. 1-4, the explosion-proof pump with high operation stability of the present embodiment includes a base 1, a pump body 2 disposed on the base 1, and a motor 3 disposed on the base 1, wherein the pump body 2 and the motor 3 are connected by a coupling 4, a coupling cover 5 is disposed outside the coupling 4, a through hole 51 is formed in the coupling cover 5 in a penetrating manner, a guide rod 6 capable of sliding back and forth is installed in the through hole 51, one end of the guide rod 6 abuts against the outer wall of the coupling 4, the other end of the guide rod extends out of the through hole 51, and an elastic member 7 for driving the guide rod 6 to move toward the coupling 4 is disposed on the coupling cover 5; when the coupler 4 rotates along with the motor 3 relative to one end of the guide rod 6 abutting against the outer wall of the coupler 4, once the coupler 4 deviates from the axis, the guide rod 6 vibrates to make the other end of the guide rod 6 float at the through hole 51.
In this embodiment, the elastic member 7 is a spring.
Example 2
With reference to fig. 1-4, compared with embodiment 1, the explosion-proof pump with high operation stability of this embodiment includes a guide rod 6, a butt joint head 41 welded to the butt joint end of the outer wall of the coupling 4, the butt joint head 41 being arc-shaped to the butt joint end of the outer wall of the coupling 4, a connection end face of the butt joint head 41 and the guide rod 6 being a plane, an area of the plane being 3-5 times a diameter of the guide rod 6, an end of an elastic member 7 welded to the plane, and the other end welded to the inner wall of the coupling housing 5, the elastic member 7 being always in a compressed state to generate an acting force for driving the butt joint head 41 to move toward the coupling 4, the plane facilitating welding between the butt joint head 41 and the guide rod 6, and the plane area being 3-5 times the diameter of the guide rod 6 facilitating welding of one.
The abutting end of the abutting head 41 and the outer wall of the coupler 4 is arc-shaped, so that when the coupler 4 rotates relative to the abutting head 41, rigid collision cannot occur between the abutting head 41 and the coupler 4, and the arc-shaped surface can better adapt to fluctuation generated when the coupler 4 rotates.
Example 3
With reference to fig. 1-4, compared with embodiment 1 or 2, in the explosion-proof pump with high operation stability of this embodiment, the through hole 51 is disposed right above the coupler cover 5, the guide rod 6 is vertically installed on the through hole 51, a first oil filling channel 61 is disposed in the guide rod 6, the first oil filling channel 61 is vertically disposed on the guide rod 6, an oil filling opening 62 communicated with the first oil filling channel 61 is disposed on the guide rod 6, and a second oil filling channel 411 communicated with the first oil filling channel 61 is disposed on the abutting head 41.
Traditional need take off the shaft coupling cover when adding lubricating oil to the shaft coupling, in this embodiment, the operating personnel accessible injects lubricating oil into first oiling passageway 61 back through oiling mouth 62, lubricating oil can get into in second oiling passageway 411 through first oiling passageway 61 under the effect of gravity, and discharge from second oiling passageway 411 and fall shaft coupling 4 top, keep shaft coupling 4 to be in slow rotating state when the oiling, make that lubricating oil can be even paint on shaft coupling 4, adopt above-mentioned design, make the process of adding lubricating oil simple more high-efficient, can prevent to lead to the lubrication effect poor on the lubricating oil in the dust adhesion in the exposure environment simultaneously.
Example 4
Referring to fig. 1 to 4, in the explosion-proof pump with high operation stability according to the present embodiment, compared with any one of embodiments 1 to 3, the second oil filling passage 411 includes an oil filling cavity 4111 communicating with the first oil filling passage 61, and a plurality of oil filling holes 4112 communicating with the oil filling cavity 4111.
The setting of a plurality of oil filler holes 4112 makes the lubricating oil in oiling chamber 4111 can follow the even smearing of 4 width directions of shaft coupling 4 on shaft coupling 4, need not to open the aperture of oiling hole 4112 too big simultaneously, guarantees that the slow smearing of lubricating oil in oiling chamber 4111 is on the surface of shaft coupling 4, and the coating of a large amount of lubricating oil leads to lubricating oil to slide from shaft coupling 4 easily in the transient causes the waste on shaft coupling 4.
Example 5
Referring to fig. 1 to 4, in the explosion-proof pump with high operation stability of the present embodiment, compared with any one of embodiments 1 to 4, the oil filling port 62 is provided on the side wall of the guide bar 6.
An operator can inject lubricating oil into the first oil injection channel 61 through the oil injection port 62 on the side wall, and the oil injection port 62 arranged on the side wall can effectively prevent dust in air from entering the first oil injection channel 61 to cause blockage and pollution.
Example 6
With reference to fig. 1-4, compared with any one of embodiments 1-5, in the explosion-proof pump with high operation stability of this embodiment, the abutting end of the abutting head 41 and the outer wall of the coupling 4 is provided with a polytetrafluoroethylene layer.
The polytetrafluoroethylene layer can effectively reduce the frictional resistance between the abutting head 41 and the coupler 4, and reduce the influence of the abutting head 41 on the rotation rate of the coupler 4.
Example 7
With reference to fig. 1-4, compared with any one of embodiments 1-6, the explosion-proof pump with high operation stability of this embodiment includes an upper casing 52, a lower casing 53, and a casing base 54, where the casing base 54 is fixed on the base 1 by a plurality of screws, and one side of the upper casing 52 and one side of the lower casing 53 are hinged, and the other side is fixed by a connecting structure.
When the coupler 4 needs to be overhauled, the locking of the connecting structure is released, the upper cover body 52 can be opened outwards through the hinged side relative to the lower cover body 53, the coupler 4 is exposed outside, maintenance personnel can conveniently overhaul the coupler at the moment, the coupler is compared with a traditional integrated structure, overhaul and installation and disassembly are more convenient, the upper cover body 52 can be hung on the lower cover body 53 through the hinged side during overhaul, and the upper cover body 52 does not need to be manually carried.
Example 8
With reference to fig. 1 to 4, compared with any one of embodiments 1 to 7, the explosion-proof pump with high operation stability of this embodiment includes a first connecting portion 8 integrally formed on the upper cover 52 and a second connecting portion 9 integrally formed on the lower cover 53, the first connecting portion 8 and the second connecting portion 9 are disposed on the same side, and the first connecting portion 8 and the second connecting portion 9 are abutted and fixed by a fastener.
In this embodiment, the fastening member is a screw that is screwed to the first connecting portion 8 and the second connecting portion 9 at the same time, and when the coupler 4 needs to be overhauled, the upper cover 52 can be opened by loosening the fastening member, so that the operation is simple, and the fixing effect is good.
Example 9
With reference to fig. 1-4, compared with any one of embodiments 1-8, the explosion-proof pump with high operation stability of this embodiment has the guide rod 6 made of aluminum material.
The guide rod 6 that the aluminum product material was made has good heat conduction effect, and the heat in the shaft coupling cover 5 not only can realize the heat dissipation through the wall body of shaft coupling cover 5, and the heat dissipation to the air of accessible guide rod 6 simultaneously, dual heat dissipation makes the temperature in the shaft coupling cover 5 suitable, and the pump body 2 and motor 3 are difficult for crossing and damage.
Example 10
In comparison with any of embodiments 1 to 9, in the explosion-proof pump with high operation stability of this embodiment, with reference to fig. 1 to 4, the surface of the guide rod 6 in the coupling housing 5 is coated with a warning pigment layer.
In this embodiment, red fuel may be coated on the surface of the guide rod 6 inside the coupling housing 5, and when the portion of the guide rod 6 originally inside the coupling housing 5 extends outward, the red fuel may be seen by the operator, and the operator may determine whether the rotation state of the coupling 4 is normal according to the red fuel.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. An explosion-proof pump that operating stability is high, its characterized in that: including base (1), locate pump body (2) on base (1) and locate motor (3) on base (1), connect through shaft coupling (4) between pump body (2) and motor (3), shaft coupling (4) outside is equipped with shaft coupling cover (5), be equipped with through-hole (51) on shaft coupling cover (5), install gliding guide arm (6) of making a round trip in through-hole (51), guide arm (6) one end supports on shaft coupling (4) outer wall, and the other end stretches out from through-hole (51), be equipped with on shaft coupling cover (5) and be used for driving elastic component (7) that guide arm (6) moved towards shaft coupling (4).
2. The explosion-proof pump with high operation stability as claimed in claim 1, wherein: the guide rod (6) and the outer wall abutting end of the coupler (4) are provided with abutting heads (41), and the abutting ends of the abutting heads (41) and the outer wall of the coupler (4) are arc-shaped.
3. The explosion-proof pump with high operation stability as claimed in claim 2, wherein: through-hole (51) are located directly over shaft coupling cover (5), guide arm (6) are vertical to be installed on through-hole (51), first oiling passageway (61) have in guide arm (6), be equipped with oiling mouth (62) with first oiling passageway (61) intercommunication on guide arm (6), be equipped with second oiling passageway (411) with first oiling passageway (61) intercommunication on butt head (41).
4. An explosion-proof pump with high operation stability as claimed in claim 3, wherein: the second oil injection passage (411) comprises an oil injection cavity (4111) communicated with the first oil injection passage (61) and a plurality of oil injection holes (4112) communicated with the oil injection cavity (4111).
5. An explosion-proof pump with high operation stability as claimed in claim 3, wherein: the oil filling port (62) is arranged on the side wall of the guide rod (6).
6. The explosion-proof pump with high operation stability as claimed in claim 2, wherein: and a polytetrafluoroethylene layer is arranged at the abutting end of the abutting head (41) and the outer wall of the coupler (4).
7. The explosion-proof pump with high operation stability as claimed in claim 1, wherein: the coupling cover (5) comprises an upper cover body (52), a lower cover body (53) and a cover body base (54), wherein one side of the upper cover body (52) and one side of the lower cover body (53) are hinged, and the other side of the upper cover body and the other side of the lower cover body are fixed through a connecting structure.
8. An explosion-proof pump with high operation stability as claimed in claim 7, wherein: the connecting structure comprises a first connecting part (8) arranged on the upper cover body (52) and a second connecting part (9) arranged on the lower cover body (53), and the first connecting part (8) and the second connecting part (9) are abutted and fixed through a fastener.
9. The explosion-proof pump with high operation stability as claimed in claim 1, wherein: the guide rod (6) is made of aluminum materials.
10. The explosion-proof pump with high operation stability as claimed in claim 1, wherein: the surface of the guide rod (6) in the coupler cover (5) is coated with a warning pigment layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022300936.XU CN213511241U (en) | 2020-10-15 | 2020-10-15 | Explosion-proof pump that operating stability is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022300936.XU CN213511241U (en) | 2020-10-15 | 2020-10-15 | Explosion-proof pump that operating stability is high |
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| Publication Number | Publication Date |
|---|---|
| CN213511241U true CN213511241U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022300936.XU Active CN213511241U (en) | 2020-10-15 | 2020-10-15 | Explosion-proof pump that operating stability is high |
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| CN (1) | CN213511241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417863A (en) * | 2021-07-30 | 2021-09-21 | 沈阳通达水泵制造有限公司 | Short cantilever sealed built-in self-balancing centrifugal pump |
-
2020
- 2020-10-15 CN CN202022300936.XU patent/CN213511241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417863A (en) * | 2021-07-30 | 2021-09-21 | 沈阳通达水泵制造有限公司 | Short cantilever sealed built-in self-balancing centrifugal pump |
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