CN217552181U - Gap adjusting device for impeller opening ring of water supply pump - Google Patents
Gap adjusting device for impeller opening ring of water supply pump Download PDFInfo
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- CN217552181U CN217552181U CN202220634400.8U CN202220634400U CN217552181U CN 217552181 U CN217552181 U CN 217552181U CN 202220634400 U CN202220634400 U CN 202220634400U CN 217552181 U CN217552181 U CN 217552181U
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- mounting groove
- impeller
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Abstract
The utility model discloses a clearance adjustment device for water supply pump impeller choma, including base, horizontal adjustment mechanism, fixed establishment one and fixed establishment two. The utility model has the advantages that: by arranging the first fixing mechanism, the clamp blocks can be used for fixing the mouth rings of different models under the elastic force action of the springs, and by arranging the second fixing mechanism, the pressing arc-shaped plate is abutted against the inner diameter side wall of the impeller by using the elastic force action of the second spring, so that the impellers of different models can be fixed, and the application range of the impellers is expanded; through setting up lifter one and lifter two, when choma and impeller installation are fixed, fix the position of one of them in lifter one and lifter two, then adjust another lifter for the ring central point of choma keeps on a straight line with the axis position of fixed axle, can utilize measuring device to measure the adjustment to the clearance between choma and the impeller.
Description
Technical Field
The utility model relates to an adjusting device specifically is a clearance adjustment device for feedwater pump impeller choma, belongs to the feedwater pump and overhauls technical field.
Background
The high-pressure boiler feed pump is a complex auxiliary equipment with high parameter and large capacity, and the requirement of maintenance precision is very strict. The stable operation of the device is the basis of boiler operation, once a plurality of devices are in fault, the normal operation of a boiler is influenced, the steam turbine cannot generate power, the power supply in a plant is influenced, the water feeding pump of a high-pressure boiler vibrates greatly and is one of main factors influencing the performance, the vibration can cause damage to internal parts of equipment, the vibration inducing factors are more, the device is more complex in operation, the difficulty is brought to analysis and fault elimination, certain influence can be generated on the vibration of the water pump by the gap between the opening ring and the impeller, measurement is frequently needed to be carried out on the gap between the opening ring and the impeller, the impeller and the opening ring are frequently needed to be detached from the water pump when measurement is carried out, the impeller and the opening ring are adjusted on the same axis by adopting an adjusting device, and therefore the accuracy of gap measurement is improved.
The existing adjusting device has some problems in use:
1) The existing adjusting device cannot be adjusted according to impellers and mouth rings of different models, so that the existing adjusting device cannot clamp and fix the impellers and mouth rings of different models and is inconvenient to use;
2) When the existing adjusting device is used for coaxially adjusting the impeller and the mouth ring, the steps are more complicated, and the later-stage measuring efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a clearance adjustment device for water supply pump impeller choma in order to solve the above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a clearance adjustment device for a feed pump impeller eye comprises
The support legs are fixedly mounted at four corners of the lower surface of the base, a first lifting rod and a second lifting rod are respectively arranged on two sides of the upper surface of the base, a support beam is fixedly connected to the upper end of the first lifting rod, and a fixed shaft is fixedly connected to the upper end of the second lifting rod;
the horizontal adjusting mechanism is arranged in the base, and the upper side of the horizontal adjusting mechanism is respectively connected with the first lifting rod and the second lifting rod;
the first fixing mechanism is arranged inside the lower side of the supporting cross beam, and the first fixing mechanism is arranged to conveniently fix the mouth ring;
and the second fixing mechanism is arranged inside the side walls of the two sides of the fixing shaft, and the impeller is conveniently fixed by arranging the second fixing mechanism.
As a further aspect of the present invention: horizontal adjustment mechanism is by seting up the inside mounting groove one of base constitutes with the threaded rod, the internally mounted of mounting groove one has the threaded rod, the one end of threaded rod is passed through bearing and a mounting groove inner wall and is rotated and be connected, and its other end extends to the outside of base to the rigid coupling has the handle, the pole of threaded rod is provided with the external screw thread that moves towards opposite on one's body, and its pole body both sides screw thread has cup jointed the swivel nut, two the upper end of swivel nut is connected with the lower extreme of lifter one and lifter two respectively.
As a further aspect of the present invention: the utility model discloses a screw cap, including screw cap, lifting rod, screw sleeve, movable groove, nut, adjusting screw, regulation screw, the same structure of first lifter and second lifter all adopt to first lifter is the research object, first lifter is in by the rigid coupling outer pole and interior pole of screw sleeve upper end constitute, the inside of outer pole is provided with the movable groove, one side outside of movable groove is provided with the spout, and sliding connection has the slider in the spout, there is interior pole rigid coupling in one side of slider, sliding connection between interior pole and the movable groove, the inside holding tank that is provided with of one side lateral wall of the relative spout of outer pole, and the rigid coupling has the nut on this side lateral wall, nut female connection has adjusting screw, adjusting screw's tip extends to the inside of holding tank to the rotary connection has the briquetting, the briquetting contacts with interior pole lateral wall.
As a further aspect of the present invention: the fixed establishment one by seting up the inside mounting groove two of supporting beam downside constitutes with the clamp splice, the inside rigid coupling of mounting groove two has the slide bar, and two sliding sleeves have been cup jointed, two in the both sides of its slide bar be provided with the spring of cup jointing on the slide bar between the both sides of sliding sleeve and the cell wall of mounting groove two, two the rigid coupling has the clamp splice on the downside lateral wall of sliding sleeve.
As a further aspect of the present invention: and anti-slip pads are fixedly arranged on the clamping sides of the two clamping blocks.
As a further aspect of the present invention: the fixing mechanism II is formed by a third mounting groove and a second supporting arc plate, wherein the third mounting groove is formed in the side walls of the two sides of the fixing shaft, the middle position of the bottom wall of the third mounting groove is fixedly connected with a telescopic rod, the two sides of the telescopic rod are fixedly connected with a second spring on the bottom wall of the third mounting groove, and the upper ends of the second spring and the telescopic rod are fixedly connected with the second supporting arc plate.
The utility model has the advantages that:
1) The utility model has the advantages that by arranging the first fixing mechanism, the clamp blocks can be used for fixing the mouth rings with different models under the elastic force action of the springs, and by arranging the second fixing mechanism, the pressing arc plate is abutted against the inner diameter side wall of the impeller by using the elastic force action of the second spring, so that the impellers with different models can be fixed, and the application range of the impellers is expanded;
2) The utility model discloses a set up lifter one and lifter two, when choma and impeller mounting are fixed, fix the position of one of them in lifter one and the lifter two, then adjust another lifter, make choma central point put and the axis position of fixed axle keep on a straight line, then through rotating the handle, make the handle drive the threaded rod and rotate, then make lifter one and lifter two be close to each other, when removing choma cover on the impeller shaft sleeve, stall changes the handle, can utilize measuring device to measure the adjustment to the clearance between choma and the impeller this moment.
Drawings
FIG. 1 is a schematic view of the gap adjustment device of the present invention;
FIG. 2 is a schematic view of the internal structure of the gap adjustment device of the present invention;
FIG. 3 is a schematic view of the installation structure of the mouth ring and the impeller of the gap adjusting device of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 3.
In the figure: 1. the base, 2, supporting legs, 3, a horizontal adjusting mechanism, 301, a first mounting groove, 302, a threaded rod, 303, a threaded sleeve, 304, a handle, 4, a first lifting rod, 401, an outer rod, 402, a moving groove, 403, a sliding groove, 404, a sliding block, 405, an inner rod, 406, a containing groove, 407, a nut, 408, an adjusting screw rod, 409, a pressing block, 5, a second lifting rod, 6, a supporting beam, 7, a fixing shaft, 8, a first fixing mechanism, 801, a second mounting groove, 802, a sliding rod, 803, a spring, 804, a sliding sleeve, 805, a clamping block, 9, a second fixing mechanism, 901, a third mounting groove, 902, a telescopic rod, 903, a second spring, 904 and a pressing arc-shaped plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-4, a gap adjusting device for an impeller eye of a water supply pump comprises
The device comprises a base 1, wherein supporting legs 2 are fixedly mounted at four corners of the lower surface of the base 1, a first lifting rod 4 and a second lifting rod 5 are respectively arranged on two sides of the upper surface of the base, a supporting beam 6 is fixedly connected to the upper end of the first lifting rod 4, and a fixed shaft 7 is fixedly connected to the upper end of the second lifting rod 5;
the horizontal adjusting mechanism 3 is arranged in the base 1, and the upper side of the horizontal adjusting mechanism is respectively connected with a first lifting rod 4 and a second lifting rod 5;
the fixing mechanism I8 is arranged inside the lower side of the supporting cross beam 6, and the mouth ring is conveniently fixed by arranging the fixing mechanism I8;
and the second fixing mechanism 9 is arranged inside the side walls of the two sides of the fixing shaft 7, and the impeller is conveniently fixed by arranging the second fixing mechanism 9.
The embodiment of the utility model provides an in, horizontal adjustment mechanism 3 is by seting up the inside mounting groove 301 and the threaded rod 302 of base 1 constitute, the internally mounted of mounting groove 301 has threaded rod 302, the one end of threaded rod 302 is passed through bearing and the rotation of the 301 inner walls of mounting groove and is connected, and its other end extends to the outside of base 1 to the rigid coupling has handle 304, be provided with the external screw thread that moves towards opposite on the pole body of threaded rod 302, and its pole body both sides screw thread has cup jointed swivel nut 303, two the upper end of swivel nut 303 is connected with the lower extreme of lifter 4 and lifter two 5 respectively, can adjust the horizontal interval between lifter 4 and the lifter two 5 to make the oral siphon cup joint on the impeller cover.
The embodiment of the utility model provides an in, the same structure is all adopted to two 5 of lifter 4 and lifter to lifter 4 is the research object, lifter 4 is in by the rigid coupling outer pole 401 and interior pole 405 of swivel nut 303 upper end constitute, the inside of outer pole 401 is provided with shifting chute 402, one side outside of shifting chute 402 is provided with spout 403, and sliding connection has slider 404 in spout 403, there is interior pole 405 rigid coupling in one side of slider 404, sliding connection between interior pole 405 and the shifting chute 402, the inside holding tank 406 that is provided with of one side lateral wall of the relative spout 403 of outer pole 401, and the rigid coupling has nut 407 on the lateral wall of this side outside, nut 407 female connection has adjusting screw 408, adjusting screw 408's tip extends to the inside of holding tank 406 to the rotation is connected with the pressure piece 409, pressure piece 409 contacts with interior pole 405 lateral wall, through the extension length of adjusting interior pole 405 to can adjust the impeller highly, conveniently confirm the axis position between mouth ring and the shifting chute.
Example two
Referring to fig. 1-4, a gap adjusting device for an impeller eye of a water supply pump comprises
The device comprises a base 1, wherein supporting legs 2 are fixedly mounted at four corners of the lower surface of the base 1, a first lifting rod 4 and a second lifting rod 5 are respectively arranged on two sides of the upper surface of the base, a supporting beam 6 is fixedly connected to the upper end of the first lifting rod 4, and a fixed shaft 7 is fixedly connected to the upper end of the second lifting rod 5;
the horizontal adjusting mechanism 3 is arranged in the base 1, and the upper side of the horizontal adjusting mechanism is respectively connected with a first lifting rod 4 and a second lifting rod 5;
the fixing mechanism I8 is arranged inside the lower side of the supporting cross beam 6, and the mouth ring is conveniently fixed by arranging the fixing mechanism I8;
and the second fixing mechanism 9 is arranged inside the side walls of the two sides of the fixing shaft 7, and the impeller is conveniently fixed by arranging the second fixing mechanism 9.
The embodiment of the present invention provides an embodiment, a fixing mechanism 8 is formed by two mounting grooves 801 and a clamping block 805 which are arranged inside the lower side of the supporting beam 6, the internal rigid coupling of the two mounting grooves 801 has a sliding rod 802, two sliding sleeves 804 are sleeved on the two sides of the sliding rod 802, two springs 803 which are sleeved on the sliding rod 802 are arranged between the two sides of the sliding sleeve 804 and the groove wall of the two mounting grooves 801, two clamping blocks 805 are fixedly connected to the lower side wall of the sliding sleeve 804, and the clamping blocks are convenient to fix the opening ring.
The embodiment of the utility model provides an in, two the fixed slipmat that is provided with in centre gripping side of clamp splice 805 can improve the firm nature fixed to the choma, avoids the choma landing.
The embodiment of the utility model provides an in, two 9 fixed establishment are by seting up the inside mounting groove three 901 of fixed axle 7 both sides lateral wall constitutes with supporting the arc 904, the tank bottom wall intermediate position rigid coupling of mounting groove three 901 has telescopic link 902, and the both sides of telescopic link 902 are provided with the rigid coupling and are in two 903 springs on the three 901 tank bottom wall of mounting groove, the upper end rigid coupling of two 903 springs and telescopic link 902 has to support and press arc 904, and the elastic action through two 903 springs makes to support and presses the inner diameter lateral wall of arc 904 and impeller and offset to realize the fixed to the impeller.
The working principle is as follows: when the gap adjusting device for the impeller opening ring of the water supply pump is used, firstly, the impeller and the opening ring are detached from the water pump, then according to the diameter of the impeller, firstly, the height of the lifting rod II 5 is adjusted, the height of the lifting rod II is higher than the diameter of the impeller, then, the impeller is sleeved on the fixed shaft 7 storage cabinet, the pressing arc-shaped plate 904 is abutted against the inner diameter side wall of the impeller under the elastic action of the spring II 903, so that the impeller is fixed, then, the position of the lifting rod II 5 is kept fixed to be different, at the moment, the height of the lifting rod I4 is adjusted to be higher than the diameter of the opening ring, then, the extending length of the inner rod 405 is adjusted, so that the height of the opening ring is adjusted, the center points of the opening ring and the impeller are determined to be on the same axis by means of an external measuring tool, after the positions of the impeller and the opening ring are adjusted, the handle 304 is rotated, the threaded rod 304 is rotated, then, the gap between the impeller and the opening ring can be measured by the gap adjusting device, and the impeller can be widely used, and the gap adjusting device can be widely used.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. A gap adjusting device for an impeller eye ring of a water supply pump is characterized by comprising
The lifting device comprises a base (1), supporting legs (2) are fixedly mounted at four corners of the lower surface of the base (1), a lifting rod I (4) and a lifting rod II (5) are respectively arranged on two sides of the upper surface of the base, a supporting cross beam (6) is fixedly connected to the upper end of the lifting rod I (4), and a fixed shaft (7) is fixedly connected to the upper end of the lifting rod II (5);
the horizontal adjusting mechanism (3) is arranged in the base (1), and the upper side of the horizontal adjusting mechanism is respectively connected with the first lifting rod (4) and the second lifting rod (5);
the first fixing mechanism (8) is arranged inside the lower side of the supporting cross beam (6), and the first fixing mechanism (8) is arranged to conveniently fix the mouth ring;
and a second fixing mechanism (9) is arranged inside the side walls of the two sides of the fixing shaft (7), and the impeller is conveniently fixed by arranging the second fixing mechanism (9).
2. A gap adjusting device for an impeller eye of a feed pump according to claim 1, characterized in that: horizontal adjustment mechanism (3) are by seting up base (1) inside mounting groove (301) and threaded rod (302) constitute, the internally mounted of mounting groove (301) has threaded rod (302), the one end of threaded rod (302) is passed through bearing and mounting groove (301) inner wall and is rotated and be connected, and its other end extends to the outside of base (1) to the rigid coupling has handle (304), be provided with the external screw thread that moves towards opposite on the pole body of threaded rod (302), and its pole body both sides screw thread has cup jointed swivel nut (303), two the upper end of swivel nut (303) is connected with the lower extreme of lifter (4) and lifter two (5) respectively.
3. A gap adjusting device for an impeller eye of a feed pump according to claim 2, characterized in that: the utility model discloses a portable computer, including lifter (4), lifter (4) and lifter (5), lifter (4) all adopt the same structure to lifter (4) is the study object, lifter (4) is in by the rigid coupling outer pole (401) and interior pole (405) of swivel nut (303) upper end constitute, the inside of outer pole (401) is provided with shifting chute (402), one side outside of shifting chute (402) is provided with spout (403), and spout (403) sliding connection has slider (404), there is interior pole (405) rigid coupling in one side of slider (404), sliding connection between interior pole (405) and shifting chute (402), outside pole (401) is inside to be provided with holding tank (406) relative one side lateral wall of spout (403), and the rigid coupling has nut (407) on this side lateral wall, nut (407) female connection has adjusting screw (408), the tip of adjusting screw (408) extends to the inside of holding tank (406) to the rotation is connected with suppression piece (409), suppression piece (409) contacts with interior pole (405) lateral wall.
4. A gap adjusting device for an impeller eye of a water feed pump according to claim 1, characterized in that: fixed establishment one (8) are by offering support beam (6) downside inside mounting groove two (801) and clamp splice (805) constitute, the inside rigid coupling of mounting groove two (801) has slide bar (802), and two sliding sleeve (804) have been cup jointed in the both sides slip of its slide bar (802), two be provided with between the both sides of sliding sleeve (804) and the cell wall of mounting groove two (801) and cup joint spring (803) on slide bar (802), two the rigid coupling has clamp splice (805) on the downside lateral wall of sliding sleeve (804).
5. A gap adjusting device for an impeller eye of a feed pump according to claim 4, characterized in that: and anti-slip pads are fixedly arranged on the clamping sides of the two clamping blocks (805).
6. A gap adjusting device for an impeller eye of a feed pump according to claim 1, characterized in that: the fixing mechanism II (9) is composed of a mounting groove III (901) and a pressing arc-shaped plate (904), the mounting groove III (901) and the pressing arc-shaped plate (904) are formed in the side walls of the two sides of the fixing shaft (7), a telescopic rod (902) is fixedly connected to the middle position of the bottom wall of the mounting groove III (901), two sides of the telescopic rod (902) are provided with a spring II (903) fixedly connected to the bottom wall of the mounting groove III (901), and the pressing arc-shaped plate (904) is fixedly connected to the upper ends of the spring II (903) and the telescopic rod (902).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220634400.8U CN217552181U (en) | 2022-03-23 | 2022-03-23 | Gap adjusting device for impeller opening ring of water supply pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220634400.8U CN217552181U (en) | 2022-03-23 | 2022-03-23 | Gap adjusting device for impeller opening ring of water supply pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217552181U true CN217552181U (en) | 2022-10-11 |
Family
ID=83469960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220634400.8U Active CN217552181U (en) | 2022-03-23 | 2022-03-23 | Gap adjusting device for impeller opening ring of water supply pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217552181U (en) |
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2022
- 2022-03-23 CN CN202220634400.8U patent/CN217552181U/en active Active
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