CN214643296U - Special puller for removing cam rotor pump rotor of ship lift - Google Patents
Special puller for removing cam rotor pump rotor of ship lift Download PDFInfo
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- CN214643296U CN214643296U CN202120568182.8U CN202120568182U CN214643296U CN 214643296 U CN214643296 U CN 214643296U CN 202120568182 U CN202120568182 U CN 202120568182U CN 214643296 U CN214643296 U CN 214643296U
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- rotor
- ship lift
- pump
- plate
- screw rod
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Abstract
The utility model discloses a special puller for removing a rotor of a cam rotor pump of a ship lift, which comprises a lead screw, wherein the top end of the lead screw is connected with a hand wheel, and the bottom end of the lead screw is connected with a tip cone which is in conflict fit with a threaded hole at the end part of a pump shaft; the outer surface cover of lead screw is equipped with the transmission piece, is connected with many pull rods on the transmission piece, and pull rod surface cover is equipped with the adjusting collar. The device has solved prior art and has been lower when dismantling the rotor of cam rotor pump efficiency, is difficult to fixed, and easy slippage leads to damaging the problem of equipment, has simple structure, convenient to use, dismantles efficiently, stabilizes firm characteristics.
Description
Technical Field
The utility model belongs to the technical field of the cam rotor pump overhauls, in particular to special horse is drawn in removal of ship lift cam rotor pump rotor.
Background
The technical scheme is that 4 sets of cam rotor pumps are respectively installed in an upper/lower lock head working door of a ship lift of a large hydropower station and used for filling water into gaps of a butt sealing frame and adjusting the water depth of a ship chamber. Therefore, a special tool is urgently needed to improve the working efficiency and avoid the damage to the pump shaft and the threaded hole in the using process.
Disclosure of Invention
The utility model aims to solve the technical problem that a special horse that draws is demolishd to ship lift cam rotor pump rotor is provided, the device has solved prior art efficiency when dismantling the rotor of cam rotor pump lower, is difficult to fix, and easy slippage leads to damaging the problem of equipment, has simple structure, and convenient to use dismantles efficiently, stabilizes firm characteristics.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a special puller for removing a rotor of a cam rotor pump of a ship lift comprises a screw rod, wherein the top end of the screw rod is connected with a hand wheel, and the bottom end of the screw rod is connected with a tip cone which is in interference fit with a threaded hole at the end part of a pump shaft; the outer surface cover of lead screw is equipped with the transmission piece, is connected with many pull rods on the transmission piece, and pull rod surface cover is equipped with the adjusting collar.
Preferably, the tip cone is a cone structure with a downward vertex; the diameter of the upper surface of the tip cone is larger than that of a threaded hole at the end part of the pump shaft.
Preferably, the upper surface of the tip cone is provided with a groove, and a bearing is arranged in the groove and is rotatably connected with the bottom end of the screw rod.
Preferably, the transmission block is provided with an internal thread hole penetrating through the upper surface and the lower surface and matched with the screw rod in a threaded manner.
Preferably, a plurality of arc-shaped grooves are formed in the lower surface of the transmission block, and the top end of the pull rod is hinged to the top end of the inner wall of each arc-shaped groove through a spherical hinge mechanism.
Preferably, the inner wall of the arc-shaped groove is connected with a spring, and the other end of the spring is in contact fit with the outer surface of the pull rod.
Preferably, the bottom end of the pull rod is connected with a hook which is matched with a groove of the inner ring of the rotor.
Preferably, the adjusting ring comprises a plurality of bent folded plates which are hollow plates with two open ends; the vertex of the folded plate is provided with a mounting hole which is in sleeve joint with the outer surface of the pull rod.
Preferably, an extension plate is arranged in the folded plate and is in sliding fit with the inner wall of the folded plate; the upper surface of the extension plate is connected with a rack which is matched with a locking device arranged on the upper surface of the end part of the folded plate; a plurality of flaps are connected by an extension panel.
Preferably, the locking device comprises an inserting plate, and the lower end of the inserting plate is of an inclined plane structure; the lower end of the inserting plate penetrates through the surface of the folded plate to be in inserted fit with the rack gap of the extension plate; the outer surface of the inserting plate is connected with a baffle plate, and the lower surface of the baffle plate is connected with a tension spring and connected with the inner wall of a fixing groove on the upper surface of the folded plate.
The utility model has the advantages that:
1. a bearing is arranged in the tip cone, and the tip cone is static and cannot rotate along with the screw rod when the screw rod is rotated, so that the pump shaft is prevented from being abraded;
2. the tip cone of the screw rod is designed in a conical manner, so that the screw rod can be prevented from entering a threaded hole at the end part of the pump shaft to damage threads;
3. the pull rod is fixed by a spherical hinge device, and the orientation of the hook can be changed so as to adapt to different working requirements; a spring is arranged between the pull rod and the arc-shaped groove, and when the hook is matched and hung with the groove of the inner ring of the rotor, a certain limiting effect can be provided through the pressure of the spring;
4. the adjusting ring is arranged on the device body, the opening angles of the pull rods can be adjusted according to use requirements, and the pull rods are fixed, so that slipping caused by shaking of the pull rods in the pulling process is avoided; the adjusting ring is in sleeve joint fit with the pull rod and can slide along the pull rod, so that the adjusting precision of the adjusting ring is adjusted, and the adjusting ring is suitable for different use scenes.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the transmission block of the present invention;
FIG. 3 is a schematic view of the connection and matching of the ball pivot mechanism and the pull rod of the present invention;
FIG. 4 is a schematic top view of the adjusting ring of the present invention;
FIG. 5 is a partial cross-sectional view of the adjusting ring of the present invention;
the reference numbers in the figures are: the device comprises a screw rod 1, a hand wheel 2, a tip cone 3, a transmission block 4, an arc-shaped groove 41, a spring 42, a pull rod 5, a spherical hinge mechanism 51, a hook 52, an adjusting ring 6, a folded plate 61, a mounting hole 62, an extension plate 63, a rack 64, a fixing groove 65, a locking device 7, an inserting plate 71, a baffle plate 72 and a tension spring 73.
Detailed Description
As shown in fig. 1-5, a special puller for removing a rotor of a cam rotor pump of a ship lift comprises a screw rod 1, wherein the top end of the screw rod 1 is connected with a hand wheel 2, and the bottom end of the screw rod 1 is connected with a tip cone 3 which is in interference fit with a threaded hole at the end part of a pump shaft; the outer surface cover of lead screw 1 is equipped with transmission block 4, is connected with many pull rods 5 on transmission block 4, and pull rod 5 surface cover is equipped with adjusting collar 6.
Preferably, the tip cone 3 is a cone structure with a downward vertex; the diameter of the upper surface of the tip cone 3 is larger than that of a threaded hole at the end part of the pump shaft.
Preferably, the upper surface of the tip cone 3 is provided with a groove, and a bearing is arranged in the groove and is rotatably connected with the bottom end of the screw rod 1.
Preferably, the transmission block 4 is provided with an internal thread hole penetrating through the upper surface and the lower surface to be in thread fit with the screw rod 1.
Preferably, the lower surface of the transmission block 4 is provided with a plurality of arc-shaped grooves 41, and the top end of the pull rod 5 is hinged with the top end of the inner wall of the arc-shaped groove 41 through a spherical hinge mechanism 51.
Preferably, a spring 42 is connected to the inner wall of the arc-shaped groove 41, and the other end of the spring 42 is in contact fit with the outer surface of the pull rod 5.
Preferably, the bottom end of the pull rod 5 is connected with a hook 52 which is matched with a groove of the inner ring of the rotor.
Preferably, the adjusting ring 6 comprises a plurality of folded flaps 61, the folded flaps 61 are hollow plates with two open ends; the vertex of the folded plate 61 is provided with a mounting hole 62 which is sleeved and matched with the outer surface of the pull rod 5.
Preferably, the extension plate 63 is arranged in the folded plate 61 and is in sliding fit with the inner wall of the folded plate 61; the upper surface of the extension plate 63 is connected with a rack 64 which is matched with the locking device 7 arranged on the upper surface of the end part of the folded plate 61; a plurality of flaps 61 are connected by an extension panel 63.
Preferably, the locking device 7 comprises an inserting plate 71, and the lower end of the inserting plate 71 is of a slope structure; the lower end of the inserting plate 71 penetrates through the surface of the folded plate 61 to be in inserted fit with the gap of the rack 64 of the extension plate 63; the outer surface of the inserting plate 71 is connected with a baffle plate 72, and the lower surface of the baffle plate 72 is connected with a tension spring 73 and is connected with the inner wall of the fixing groove 65 on the upper surface of the folded plate 61.
The working principle of the special puller for removing the cam rotor pump rotor of the ship lift is as follows:
firstly, adjusting a screw rod 1 to a proper position, inserting a hook 52 at the end of a pull rod 5 into a groove of an inner ring of a rotor, clamping the hook 52 at the top end of the pull rod 5 into the groove through an adjusting ring 6, then adjusting the screw rod 1 to clamp an apex cone 3 into a hole at the end part of a pump shaft, and finally rotating a hand wheel 2 to enable a transmission block 4 to drive the pull rod 5 to pull out the rotor from the pump shaft.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. The utility model provides a special horse that draws is demolishd to ship lift cam rotor pump rotor which characterized in that: the pump comprises a screw rod (1), wherein the top end of the screw rod (1) is connected with a hand wheel (2), and the bottom end of the screw rod (1) is connected with a tip cone (3) which is in interference fit with a threaded hole at the end part of a pump shaft; the outer surface of the screw rod (1) is sleeved with a transmission block (4), a plurality of pull rods (5) are connected to the transmission block (4), and adjusting rings (6) are sleeved on the surfaces of the pull rods (5).
2. The special puller for removing the rotor of the cam rotor pump of the ship lift according to claim 1, wherein: the tip cone (3) is of a conical structure with a downward vertex; the diameter of the upper surface of the tip cone (3) is larger than that of a threaded hole at the end part of the pump shaft.
3. The special puller for removing the rotor of the cam rotor pump of the ship lift as claimed in claim 2, wherein: the upper surface of the tip cone (3) is provided with a groove, and a bearing is arranged in the groove and is rotatably connected with the bottom end of the screw rod (1).
4. The special puller for removing the rotor of the cam rotor pump of the ship lift according to claim 1, wherein: the transmission block (4) is provided with an internal thread hole penetrating through the upper surface and the lower surface and is in threaded fit with the screw rod (1).
5. The special puller for removing the rotor of the cam rotor pump of the ship lift as claimed in claim 4, wherein: the lower surface of the transmission block (4) is provided with a plurality of arc-shaped grooves (41), and the top end of the pull rod (5) is hinged with the top end of the inner wall of each arc-shaped groove (41) through a spherical hinge mechanism (51).
6. The special puller for removing the rotor of the cam rotor pump of the ship lift as claimed in claim 5, wherein: the inner wall of the arc-shaped groove (41) is connected with a spring (42), and the other end of the spring (42) is in contact fit with the outer surface of the pull rod (5).
7. The special puller for removing the rotor of the cam rotor pump of the ship lift according to claim 1, wherein: the bottom end of the pull rod (5) is connected with a hook (52) which is matched with a groove of the inner ring of the rotor.
8. The special puller for removing the rotor of the cam rotor pump of the ship lift according to claim 1, wherein: the adjusting ring (6) comprises a plurality of bent folded plates (61), and the folded plates (61) are hollow plates with openings at two ends; the vertex of the folded plate (61) is provided with a mounting hole (62) which is in sleeve joint with the outer surface of the pull rod (5).
9. The special puller for removing the rotor of the cam rotor pump of the ship lift as claimed in claim 8, wherein: an extension plate (63) is arranged in the folded plate (61) and is in sliding fit with the inner wall of the folded plate (61); the upper surface of the extension plate (63) is connected with a rack (64) to be matched with a locking device (7) arranged on the upper surface of the end part of the folded plate (61); the plurality of flaps (61) are connected by an extension plate (63).
10. The special puller for removing the rotor of the cam rotor pump of the ship lift as claimed in claim 9, wherein: the locking device (7) comprises an inserting plate (71), and the lower end of the inserting plate (71) is of an inclined surface structure; the lower end of the inserting plate (71) penetrates through the surface of the folded plate (61) and is in inserted fit with the gap of the rack (64) of the extension plate (63); the outer surface of the inserting plate (71) is connected with a baffle plate (72), and the lower surface of the baffle plate (72) is connected with a tension spring (73) which is connected with the inner wall of a fixing groove (65) on the upper surface of the folded plate (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120568182.8U CN214643296U (en) | 2021-03-19 | 2021-03-19 | Special puller for removing cam rotor pump rotor of ship lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120568182.8U CN214643296U (en) | 2021-03-19 | 2021-03-19 | Special puller for removing cam rotor pump rotor of ship lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214643296U true CN214643296U (en) | 2021-11-09 |
Family
ID=78454482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120568182.8U Active CN214643296U (en) | 2021-03-19 | 2021-03-19 | Special puller for removing cam rotor pump rotor of ship lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214643296U (en) |
-
2021
- 2021-03-19 CN CN202120568182.8U patent/CN214643296U/en active Active
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