CN212020616U - Extracting tool of water pump spindle motor side shaft coupling - Google Patents
Extracting tool of water pump spindle motor side shaft coupling Download PDFInfo
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- CN212020616U CN212020616U CN201922396600.5U CN201922396600U CN212020616U CN 212020616 U CN212020616 U CN 212020616U CN 201922396600 U CN201922396600 U CN 201922396600U CN 212020616 U CN212020616 U CN 212020616U
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- water pump
- connecting disc
- screw
- force application
- spindle motor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000010168 coupling process Methods 0.000 title claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 27
- 230000008878 coupling Effects 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a disassembling tool of a side shaft coupling of a main shaft motor of a water pump, which comprises a connecting disc, a screw rod, a nut and a force application device; the force application device comprises a screw force application device or a jack; the connecting disc is a disc body, a plurality of through grooves are formed in the connecting disc along the circumferential direction, and the through grooves are strip-shaped groove holes with long edges parallel to the radial direction of the connecting disc; the number and the arrangement positions of the through grooves are matched with the axial bolt holes on the coupler; the screw rod penetrates through the corresponding through groove and the axial bolt hole, and two ends of the screw rod are locked and fixed through nuts respectively; the force application device is arranged between the end face of the water pump main shaft and the connecting disc and used for driving the coupler to move towards the outer end far away from the water pump main shaft through the connecting disc. The utility model discloses be equipped with 2 kinds of schemes more, can choose for use according to particular case, can swiftly conveniently dismantle the shaft coupling get off for maintenance speed, the material resources of using manpower sparingly.
Description
Technical Field
The utility model relates to an overhaul of equipments and maintain technical field, especially one kind relates to extracting tool of water pump spindle motor side shaft coupling.
Background
The auxiliary machine water pumps used by the generator set of the power plant are numerous, the water pumps are difficult to avoid to break down in the operation process, and the bearing damage in the equipment with relative rotating parts is a common fault. When water pump spindle motor side bearing damaged, just must dismantle the shaft coupling earlier to change the bearing, but dismantle the shaft coupling more difficult at the actual overhaul in-process, the reason as follows:
1. the coupler is adhered to the main shaft due to the long-time operation of the water pump, the tight hoop is difficult to take off from the shaft head, and the coupler is difficult to take off from the main shaft of the water pump by using a common conventional dismounting tool, and even the conventional dismounting tool is damaged if the coupler is forcibly dismounted;
2. on some fixed water pumps, the distance between the main shaft coupler and the motor coupler is very small, and the conventional disassembling tool is difficult to spread due to the limitation of the space of the main shaft coupler and the motor coupler.
Due to the fact that similar conditions frequently occur in the process of on-site water pump overhauling, a large amount of manpower and material resources are wasted in overhauling work, even the overhauling construction period is prolonged, and normal production is affected.
Disclosure of Invention
The utility model provides a extracting tool of water pump spindle motor side shaft coupling has 2 schemes, can choose for use according to particular case, can swiftly conveniently dismantle the shaft coupling get off for maintenance speed, the material resources of using manpower sparingly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a disassembling tool for a coupler at the side of a water pump spindle motor comprises a connecting disc, a screw, a nut and a force application device; the force application device comprises a screw force application device or a jack; the connecting disc is a disc body, a plurality of through grooves are formed in the connecting disc along the circumferential direction, and the through grooves are strip-shaped groove holes with long edges parallel to the radial direction of the connecting disc; the number and the arrangement positions of the through grooves are matched with the axial bolt holes on the coupler; the screw rod penetrates through the corresponding through groove and the axial bolt hole, and two ends of the screw rod are locked and fixed through nuts respectively; the force application device is arranged between the end face of the water pump main shaft and the connecting disc and used for driving the coupler to move towards the outer end far away from the water pump main shaft through the connecting disc.
The screw force application device consists of a rotary screw and a force application rod, and an internal thread hole is formed in the middle of the connecting disc and matched with an external thread on the rotary screw; one end of the rotary screw penetrates through the internal threaded hole and then is tightly propped against the end face of the water pump main shaft, the other end of the rotary screw is connected with the force application rod, and the force application rod transversely penetrates through a through hole formed in the corresponding end of the rotary screw.
The jack is a split type hydraulic jack.
The split type hydraulic jack is a manual split type hydraulic jack or an electric split type hydraulic jack.
The number of the screws is 2, and the number of the screws in each group is equal to that of the through grooves; the 2 groups of screw rods have different length specifications, wherein the length of one group of screw rods is 500 mm; the length of the other set of screws is 300 mm.
The number of the rotary screw rods is 2, and the length of one rotary screw rod is 500 mm; the length of the other rotary screw is 300 mm.
The short sides of the strip-shaped slotted holes are arc-shaped sides, the inner arc-shaped sides are located on the same concentric circle of the connecting disc, and the outer arc-shaped sides are located on the same circumferential center of the connecting disc.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the coupler can be quickly and conveniently disassembled, so that the overhauling speed is accelerated, and manpower and material resources are saved;
2) the hydraulic jack is provided with a screw force application device or a split type hydraulic jack, the screw and the rotary screw are also divided into various length specifications, the screw and the rotary screw can be selected according to the field operation space and the connection condition of the coupler and the main shaft, and the hydraulic jack is flexible and convenient to use.
Drawings
Fig. 1 is a schematic view of a first usage state of a disassembling tool for a side coupler of a spindle motor of a water pump.
Fig. 2 is a schematic diagram of a use state of a detaching tool of a side coupler of a spindle motor of a water pump.
Fig. 3 is a front view of the connection pad of the present invention.
In the figure: 1. water pump 2, main shaft 3, coupling 4, connecting disc 5, screw 6, nut 7, rotary screw 8, force application rod 9, split hydraulic jack 10 and through groove
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1 and fig. 2, the dismounting tool for a side coupling of a spindle motor of a water pump of the present invention comprises a connection plate 4, a screw rod 5, a nut 6 and a force application device; the force application device comprises a screw force application device or a jack; the connecting disc 4 is a circular disc body, a plurality of through grooves 10 are formed in the connecting disc 4 along the circumferential direction, and the through grooves 10 are strip-shaped slotted holes (shown in fig. 3) with long sides parallel to the radial direction of the connecting disc 4; the number and the arrangement positions of the through grooves 10 are matched with the axial bolt holes on the coupler 3; the screw 5 penetrates through the corresponding through groove 10 and the axial bolt hole, and two ends of the screw are respectively locked and fixed through nuts 6; the force application device is arranged between the end face of the main shaft 2 of the water pump 1 and the connecting disc 4 and used for driving the coupler 3 to move towards the outer end far away from the main shaft 2 of the water pump 1 through the connecting disc 4.
As shown in fig. 1, the screw force application device is composed of a rotary screw 7 and a force application rod 8, and an internal thread hole is formed in the middle of the connecting disc 4 and matched with an external thread on the rotary screw 7; one end of the rotary screw 7 penetrates through the internal threaded hole and then is tightly propped against the end face of the main shaft 2 of the water pump 1, the other end of the rotary screw is connected with the force application rod 8, and the force application rod 8 transversely penetrates through a through hole formed in the corresponding end of the rotary screw 7.
As shown in fig. 2, the jack is a split hydraulic jack 9.
The split hydraulic jack 9 is a manual split hydraulic jack or an electric split hydraulic jack.
The number of the screw rods 5 in each group is equal to that of the through grooves 10; 2 groups of screws 5 have different length specifications, wherein the length of one group of screws 5 is 500 mm; the length of the other set of screws 5 is 300 mm.
The number of the rotary screws 7 is 2, and the length of one rotary screw 7 is 500 mm; the length of the other rotating screw 7 is 300 mm.
The short sides of the strip-shaped slotted holes are arc-shaped sides, the inner arc-shaped sides are positioned on the same concentric circle of the connecting disc 4, and the outer arc-shaped sides are positioned on the same circumference of the connecting disc 4.
The main shaft 2 of water pump 1 links to each other with the motor shaft through shaft coupling 3, and shaft coupling 3 comprises 2 "half-couplings", and one of them "half-coupling" is installed on main shaft 2 of water pump 1, and another "half-coupling" is installed on the motor shaft, and 2 "half-couplings" pass through bolted connection, consequently are equipped with the axial bolt hole on 2 "half-couplings" respectively. Shaft coupling 3 actually indicates to install "half-coupling" on 1 main shaft 2 of water pump, explains for the convenience, calls it to be shaft coupling 3.
The utility model provides a disassembling tool for a side coupler of a water pump spindle motor, which has two usage methods, one is suitable for the condition that the outer end of a coupler 3 on a spindle 2 of a water pump 1 has enough space and the coupler 3 can be disassembled with less force; at this time, after the connecting disc 4 is connected with the coupler 3 by the screw 5 and the nut 6, one end of the rotary screw 7 is screwed into the internal thread hole at the center of the connecting disc 4 and is tightly pressed against the shaft end of the spindle 2, the middle part of the force application rod 8 is penetrated into the through hole at the rod end of the rotary screw 7, the rotary screw 7 can be easily rotated by the lever action of the force application rod 8, after all preparation works are completed, the rotary screw 7 is rotated while the coupler 3 is heated, so that the connecting disc 4 drives the coupler 3 to move towards the outer end of the spindle 2, and finally the coupler 8 is detached.
The other method is suitable for the situation that the space of the outer end of the coupler 3 on the main shaft 2 of the water pump 1 is small and the coupler 3 can be detached only by large force; at the moment, the connecting disc 4 is connected with the coupler 3 on the main shaft 2 through the screw rod 5 and the nut 6, then a supporting device of a split type hydraulic jack 9 is placed between the shaft end of the main shaft 2 and the connecting disc 4, then the jack is started, the coupler 3 is heated, and the coupler 3 is driven by the connecting disc 4 to move towards the outer end of the main shaft 2 until the coupler 3 is detached.
The screw 5 and the rotary screw 7 are provided with 2 length specifications which can be selected according to different use requirements.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.
Claims (7)
1. A disassembling tool for a water pump spindle motor side coupler is characterized by comprising a connecting disc, a screw, a nut and a force application device; the force application device comprises a screw force application device or a jack; the connecting disc is a disc body, a plurality of through grooves are formed in the connecting disc along the circumferential direction, and the through grooves are strip-shaped groove holes with long edges parallel to the radial direction of the connecting disc; the number and the arrangement positions of the through grooves are matched with the axial bolt holes on the coupler; the screw rod penetrates through the corresponding through groove and the axial bolt hole, and two ends of the screw rod are locked and fixed through nuts respectively; the force application device is arranged between the end face of the water pump main shaft and the connecting disc and used for driving the coupler to move towards the outer end far away from the water pump main shaft through the connecting disc.
2. The disassembling tool for the water pump spindle motor side coupling according to claim 1, wherein the screw force application device is composed of a rotating screw and a force application rod, and an internal threaded hole is formed in the middle of the connecting disc and matched with an external thread on the rotating screw; one end of the rotary screw penetrates through the internal threaded hole and then is tightly propped against the end face of the water pump main shaft, the other end of the rotary screw is connected with the force application rod, and the force application rod transversely penetrates through a through hole formed in the corresponding end of the rotary screw.
3. The disassembling tool for the water pump spindle motor side coupling according to claim 1, wherein the jack is a split hydraulic jack.
4. The disassembling tool for the water pump spindle motor side coupling according to claim 3, wherein the split hydraulic jack is a manual split hydraulic jack or an electric split hydraulic jack.
5. The disassembling tool for the water pump spindle motor side coupling according to claim 1, wherein the number of the screws is 2, and the number of the screws in each group is equal to the number of the through grooves; the 2 groups of screw rods have different length specifications, wherein the length of one group of screw rods is 500 mm; the length of the other set of screws is 300 mm.
6. The disassembling tool for the water pump spindle motor side coupling according to claim 2, wherein the number of the rotary screws is 2, and the length of one rotary screw is 500 mm; the length of the other rotary screw is 300 mm.
7. The disassembling tool for the water pump spindle motor side coupling according to claim 1, wherein the short sides of the slotted hole are arc sides, and the inner arc side is located on the same concentric circle of the connecting disc, and the outer arc side is located on the same center circle of the connecting disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922396600.5U CN212020616U (en) | 2019-12-27 | 2019-12-27 | Extracting tool of water pump spindle motor side shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922396600.5U CN212020616U (en) | 2019-12-27 | 2019-12-27 | Extracting tool of water pump spindle motor side shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212020616U true CN212020616U (en) | 2020-11-27 |
Family
ID=73482254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922396600.5U Active CN212020616U (en) | 2019-12-27 | 2019-12-27 | Extracting tool of water pump spindle motor side shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212020616U (en) |
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2019
- 2019-12-27 CN CN201922396600.5U patent/CN212020616U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221010 Address after: 114000 Anshan Iron and steel factory, Tiexi District, Liaoning, Anshan Patentee after: ANGANG STEEL COMPANY LIMITED Address before: 114000 No. 1 ring steel road, Tiexi District, Liaoning, Anshan Patentee before: ANSHAN STEEL GROUP Co.,Ltd. |