CN207814032U - A kind of desulfurization slurry circulating pump impeller locking tool - Google Patents
A kind of desulfurization slurry circulating pump impeller locking tool Download PDFInfo
- Publication number
- CN207814032U CN207814032U CN201820004223.9U CN201820004223U CN207814032U CN 207814032 U CN207814032 U CN 207814032U CN 201820004223 U CN201820004223 U CN 201820004223U CN 207814032 U CN207814032 U CN 207814032U
- Authority
- CN
- China
- Prior art keywords
- locking
- wall
- inner sleeve
- circulating pump
- impeller
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of desulfurization slurry circulating pump impeller locking tools, including locking swivel head, the side of the locking swivel head is equipped with turning handle, the described a side of locking swivel head far from turning handle is along equipped with push jack, the middle part of the locking swivel head is equipped with port, the side inner wall of the port is equipped with internal thread, it is connected with inner sleeve in the port, the outer wall of the inner sleeve is equipped with the external screw thread to match with internal thread, the interior side of the inner sleeve is equipped with screw rotating seat, and attachment screw is connected on the screw rotating seat；It is all provided with fluted on the both sides inner wall of the locking swivel head, the bottom wall of the groove is fixedly arranged in the middle of spring.The utility model, without larger active force, extends the service life of locking nut to locking nut, and can guarantee that impeller is installed in place, and locking nut is locked in place, and the gap of impeller and locking nut is eliminated, and prevents emerged in operation impeller from loosening jam faults.
Description
Technical field
The utility model is related to the mounting technique field of desulfurization slurry circulating pump more particularly to a kind of desulfurization slurry circulating pumps
Impeller locking tool.
Background technology
Coal-fired station is already very universal using Limestone-gypsum Wet Flue Gas Desulfurization Process, and present power plant is equipped with substantially
In 4 units or so, therefore the service work of desulfurization slurry circulating pump is also quite heavy, and one end of slurry circulating pump is both provided with leaf
Wheel, the traditional mounting means of impeller is beaten with weight, is sentenced by rule of thumb tiltedly against the half slot of locking nut with a round steel
Disconnected to fix, there are certain hidden danger for this mode for judging whether locking by rule of thumb, when the bite that impeller and axis have, locking screw
Mother just locks not in place, and gap is there is between impeller and locking nut, the front and back play of impeller can occur in operation, to meeting
Damage capping, corrosion shaft end screw thread, and then locking nut is damaged, last impeller is stuck with the pump housing and cannot run, to machinery
It damages larger.
Through retrieval, 206144844 U of Chinese patent grant number CN disclose a kind of impeller locking device and compressor, leaf
Taking turns locking device includes：Locking nut removably covers in the locking connector on locking nut head outside；Wherein, locking connection
Head has the first locking tool connection structure, and when locking connector rotates, locking connector passes through frictional force drives locking screw
Mother's rotation.
The shortcoming of existing impeller locking tool：Impeller is mounted in the rotary shaft of desulfurization slurry circulating pump,
Locking nut is locked, the coupling mechanism force that is applied of the external world is acted on locking nut, this damage to locking nut
It is larger, reduce the service life of locking nut.
Utility model content
The purpose of this utility model is to provide a kind of desulfurization slurry circulating pump impeller locking tool, has and ensure impeller peace
It is attached to position, locking nut is locked in place, and the gap of impeller and locking nut is eliminated, and prevents emerged in operation impeller from loosening bite
The advantages of failure, solves and is locked to locking nut, and the coupling mechanism force that the external world is applied is acted on locking nut, this
The larger problem of damage to locking nut.
According to a kind of desulfurization slurry circulating pump impeller locking tool of the utility model embodiment, including swivel head is locked,
The side of the locking swivel head is equipped with turning handle, and the described a side of locking swivel head far from turning handle is along equipped with push jack, the lock
The middle part of tight swivel head is equipped with port, and the side inner wall of the port is equipped with internal thread, inner sleeve is connected in the port,
The outer wall of the inner sleeve is equipped with the external screw thread to match with internal thread, and the interior side of the inner sleeve is rotated equipped with screw
, it is connected with attachment screw on the screw rotating seat；It is described locking swivel head both sides inner wall on be all provided with it is fluted, it is described recessed
The bottom wall of slot is fixedly arranged in the middle of spring, and the spring one end is equipped with baffle, and the baffle side is equipped with connecting pole, the connecting pole
Through the limited block at groove notch and end is equipped with cushion pad, and the inside wall edge of the limited block is equipped with sliding block, institute
The lateral wall for stating connecting pole is equipped with the sliding slot to match with sliding block.
Further, the internal diameter of the inner sleeve is slightly larger than the outer diameter of impeller axle.
Further, displacement distance of the sliding block in sliding slot is 1-2cm.
Further, it is cased with Anti-slip cover on the outer wall of the turning handle.
Further, the screw rotating seat is integrally formed with inner sleeve, and the screw rotating seat is with attachment screw can
Dismounting is threadedly coupled.
Further, multiple protrusions, the protrusion are uniformly placed on side outer wall of the cushion pad far from connecting pole
It is integrally formed with cushion pad.
The utility model has an advantageous effect in that compared with prior art：
1, by inner sleeve by tool cover on impeller rotating shaft, then will be on tool and impeller rotating shaft by attachment screw
Through-hole connection, to the fixation of implementation tool, since inner sleeve and locking connector are to be threadedly coupled, in impeller mounted on leaf
When taking turns in rotary shaft, locking connector rotation is driven by rotating turning handle, impeller is constantly pushed by push jack, enables impeller
Be fitted on impeller rotating shaft completely, when dismounting, need to only remove attachment screw, can puller, then by locking nut by leaf
Wheel is locked with impeller rotating shaft, to locking nut without larger active force, extends the service life of locking nut, and
Certifiable impeller is installed in place, and locking nut is locked in place, is eliminated the gap of impeller and locking nut, is prevented emerged in operation
Impeller loosens jam faults；
2, connecting pole is provided between locking connector and inner sleeve, spring is arranged in one end of connecting pole, and spring can reduce
Locking connector generated vibrations when being rotated with inner sleeve, while limited block can limit the flexible position of connecting pole with baffle
It sets, sliding block can reduce frictional force when connecting pole movement with sliding slot, and cushion pad can reduce touching between locking connector and inner sleeve
Power is hit, protrusion can increase frictional force, prevent from making buffering pad position deviate since extruding force is excessive.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of desulfurization slurry circulating pump impeller locking tool structural schematic diagram；
Fig. 2 is the structure enlargement diagram of a-quadrant in Fig. 1.
In figure：1- locking connectors, 2- inner sleeves, 3- attachment screws, 4- push jacks, 5- turning handles, 6- screws rotating seat, 7- are logical
Mouth, 8- grooves, 9- springs, 10- connecting poles, 11- baffles, 12- cushion pads, 13- limited blocks, 14- sliding blocks, 15- sliding slots.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig.1-2, a kind of desulfurization slurry circulating pump impeller locking tool, including locking swivel head 1, lock swivel head 1
Side be equipped with turning handle 5, a side far from turning handle 5 of locking swivel head 1 is equipped with along push jack 4, the middle part of locking swivel head 1 is equipped with
Port 7, the side inner wall of port 7 are equipped with internal thread, are connected with inner sleeve 2 in port 7, the outer wall of inner sleeve 2 be equipped with
The interior side of the external screw thread that internal thread matches, inner sleeve 2 is equipped with screw rotating seat 6, and connection is connected on screw rotating seat 6
Screw 7；It locks and is all provided with fluted 8 on the both sides inner wall of swivel head 1, the bottom wall of groove 8 is fixedly arranged in the middle of spring 9,9 one end of spring
Equipped with baffle 11,11 side of baffle is equipped with connecting pole 10, and connecting pole 10 runs through the limited block 13 being located at 8 notch of groove and end
Equipped with cushion pad 12, the inside wall edge of limited block 13 is equipped with sliding block 14, and the lateral wall of connecting pole 10 is equipped with and 14 phase of sliding block
The cooperation of matched sliding slot 15, sliding block 14 and sliding slot 15 can reduce frictional force when connecting pole 10 moves.
The internal diameter of inner sleeve 2 is slightly larger than the outer diameter of impeller axle；Displacement distance of the sliding block 14 in sliding slot 15 is 1-2cm；Turn
It is cased with Anti-slip cover on the outer wall of handle 5, is easy to use personnel's manual rotation, increases frictional force；Screw rotating seat 6 and inner sleeve 2 one
Body formed, screw rotating seat 6 is detachably to be threadedly coupled with attachment screw 3；Side outer wall of the cushion pad 12 far from connecting pole 10
On be uniformly placed with multiple protrusions, protrusion is integrally formed with cushion pad 12.
In use, by inner sleeve 2 by tool cover on impeller rotating shaft, then by attachment screw 3 by tool and impeller
Through-hole connection in rotary shaft, to the fixation of implementation tool, since inner sleeve 2 is to be threadedly coupled with locking connector 1, in leaf
When wheel is mounted on impeller rotating shaft, drives locking connector 1 to rotate by rotating turning handle 5, leaf is constantly pushed by push jack 4
Wheel, enables impeller to be fitted on impeller rotating shaft completely, due to being provided with connecting pole 10 between locking connector 1 and inner sleeve 2,
Spring 9 is arranged in one end of connecting pole 10, and spring 9 can reduce generated vibrations when locking connector 1 is rotated with inner sleeve 2,
Limited block 13 can limit the telescopic location of connecting pole 10 with baffle 11 simultaneously, and sliding block 14 can reduce the shifting of connecting pole 10 with sliding slot 15
Frictional force when dynamic, cushion pad 12 can reduce the impact force between locking connector 1 and inner sleeve 2, and protrusion can increase frictional force, prevent
Only so that 12 position of cushion pad is deviateed since extruding force is excessive, when dismounting, need to only remove attachment screw 3, can puller, then
Impeller and impeller rotating shaft are locked by locking nut, to locking nut without larger active force, extend locking screw
Female service life, and can guarantee that impeller is installed in place, locking nut is locked in place, is eliminated between impeller and locking nut
Gap prevents emerged in operation impeller from loosening jam faults.
Place is not described in detail for the utility model, is the known technology of those skilled in the art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of desulfurization slurry circulating pump impeller locking tool, it is characterised in that：Including locking swivel head (1), the locking rotating
The side of rotary head (1) is equipped with turning handle (5), and the described a side of locking swivel head (1) far from turning handle (5) is along equipped with push jack (4), institute
The middle part for stating locking swivel head (1) is equipped with port (7), and the side inner wall of the port (7) is equipped with internal thread, the port
(7) inner sleeve (2) is connected in, the outer wall of the inner sleeve (2) is equipped with the external screw thread to match with internal thread, the inner sleeve
The interior side of cylinder (2) is equipped with screw rotating seat (6), and attachment screw (3) is connected on the screw rotating seat (6)；The lock
It is all provided with fluted (8) on the both sides inner wall of tight swivel head (1), the bottom wall of the groove (8) is fixedly arranged in the middle of spring (9), described
Spring (9) one end is equipped with baffle (11), and baffle (11) side is equipped with connecting pole (10), and the connecting pole (10) is run through and is located at
Limited block (13) and end at groove (8) notch are equipped with cushion pad (12), and the inside wall edge of the limited block (13) is equipped with
Sliding block (14), the lateral wall of the connecting pole (10) are equipped with the sliding slot (15) to match with sliding block (14).
2. a kind of desulfurization slurry circulating pump impeller locking tool according to claim 1, it is characterised in that：The inner sleeve
(2) internal diameter is slightly larger than the outer diameter of impeller axle.
3. a kind of desulfurization slurry circulating pump impeller locking tool according to claim 1, it is characterised in that：The sliding block
(14) displacement distance in sliding slot (15) is 1-2cm.
4. a kind of desulfurization slurry circulating pump impeller locking tool according to claim 1, it is characterised in that：The turning handle
(5) Anti-slip cover is cased on outer wall.
5. a kind of desulfurization slurry circulating pump impeller locking tool according to claim 1, it is characterised in that：The screw rotation
Swivel base (6) is integrally formed with inner sleeve (2), and the screw rotating seat (6) is detachably to be threadedly coupled with attachment screw (3).
6. a kind of desulfurization slurry circulating pump impeller locking tool according to claim 1, it is characterised in that：The cushion pad
(12) multiple protrusions are uniformly placed on the side outer wall far from connecting pole (10), the protrusion and cushion pad (12) one at
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820004223.9U CN207814032U (en) | 2018-01-02 | 2018-01-02 | A kind of desulfurization slurry circulating pump impeller locking tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820004223.9U CN207814032U (en) | 2018-01-02 | 2018-01-02 | A kind of desulfurization slurry circulating pump impeller locking tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814032U true CN207814032U (en) | 2018-09-04 |
Family
ID=63328091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820004223.9U Expired - Fee Related CN207814032U (en) | 2018-01-02 | 2018-01-02 | A kind of desulfurization slurry circulating pump impeller locking tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814032U (en) |
-
2018
- 2018-01-02 CN CN201820004223.9U patent/CN207814032U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20220102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |