CN220094496U - Dismounting tool for spindle locking device of hydraulic generator set - Google Patents

Abstract

The utility model provides a disassembling tool for an ingot locking device of a hydraulic generator set, which comprises an ingot locking device and a disassembling tool, wherein a compression spring and a piston connecting rod are movably arranged in the ingot locking device, the disassembling tool comprises a screw, an internal thread connector arranged at the front end of the screw, a cushion block sleeved outside the screw, and an adjusting nut sleeved outside the screw in a threaded manner, the internal thread connector penetrates through a cylinder body reserved hole of the ingot locking device and the compression spring to be sleeved outside the piston connecting rod in a threaded manner, and the adjusting nut locks the cushion block outside the cylinder body reserved hole. Through set up internal thread connector, adjusting nut and cushion on the screw rod, be convenient for utilize the internal thread connector to penetrate in the lock spindle device to pull the piston connecting rod through threaded connection, realize locking effect through adjusting nut and cushion simultaneously, thereby lock spring force, rethread rotation adjusting nut slowly releases spring force after demolishing cylinder body connecting bolt, safe and reliable overhauls lock spindle device.

Description

Dismounting tool for spindle locking device of hydraulic generator set

Technical Field

The utility model relates to the field of maintenance of spindle locking devices of hydraulic generator sets, in particular to a disassembly and assembly tool of a spindle locking device of a hydraulic generator set.

Background

The ingot locking device is a safety protection device of the hydroelectric generating set in a stop state. The control ring (or servomotor) can be locked in the fully closed position when the guide vanes are fully closed. Even if the closing cavity of the servomotor has no oil pressure, the guide vane cannot be flushed by water, so that the peristaltic movement or the running safety of the unit are caused. The spindle locking device has different design forms, and is arranged at the position of the spindle locking pull rod on the guide vane servomotor body and at the position of the spindle locking control ring on the inner side of the control ring. In the current Ge Zhou dam power station unit, part of the spindle locking device enables the cylinder body to move up and down through the cooperation of oil pressure and spring force, so that spindle locking is realized. Then, because the compressed spring is arranged in the device, the device has a large safety risk in disassembly and overhaul, and the locking piston rod has the hidden trouble that the spring is popped out to hurt people, the dismounting tool of the hydraulic generator set locking device is provided.

Disclosure of Invention

The utility model mainly aims to provide a disassembling tool for an ingot locking device of a hydraulic generator set, which solves the problem that a spring in the device is popped up to hurt people when being disassembled for maintenance.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a hydraulic generator group lock spindle device assembly and disassembly tools, includes lock spindle device and assembly tools, and the inside activity of lock spindle device is provided with compression spring and piston connecting rod, assembly tools includes the screw rod, sets up at the internal thread connector of screw rod front end, suit at the outside cushion of screw rod to and the adjusting nut of screw thread suit outside the screw rod, wherein, the internal thread connector passes the cylinder body preformed hole and the compression spring screw thread suit of lock spindle device in the outside of piston connecting rod, and adjusting nut locks the outside at the cylinder body preformed hole with the cushion.

In the preferred scheme, the screw rod includes insert section, screw thread section and tail section, is provided with flexible spacing subassembly in the tail section for with adjusting nut and cushion temporary limitation in tail section department.

In the preferred scheme, flexible spacing subassembly is including seting up flexible chamber in the tail section, setting up at flexible chamber both ends and with protruding hole that is linked together, built-in flexible spring in the flexible chamber, the setting is at the anticreep board at flexible spring both ends to and set up at the anticreep board opposite side and run through the spacing lug in protruding hole, wherein the diameter of anticreep board is greater than the diameter in protruding hole.

In the preferred scheme, one end of the limiting lug penetrating through the protruding hole is in an isosceles trapezoid shape, and the upper end and the lower end of the central hole of the adjusting nut and the cushion block are respectively provided with an isosceles trapezoid groove matched with the limiting lug.

In the preferred scheme, the top of tail section is provided with the limit head that is used for preventing adjusting nut and cushion to drop.

In the preferred scheme, the top of tail section is provided with the external screw thread axle, and the external screw thread of external screw thread axle installs the limit head.

The utility model provides a disassembling tool for an ingot locking device of a hydraulic generator set, which is characterized in that an internal thread connector, an adjusting nut and a cushion block are arranged on a screw rod, so that the internal thread connector can be conveniently used for penetrating into the ingot locking device, a piston connecting rod is pulled through threaded connection, and meanwhile, the locking effect is realized through the adjusting nut and the cushion block, so that the spring force is locked, and after a cylinder body connecting bolt is disassembled, the spring force is slowly released through rotating the adjusting nut, so that the ingot locking device is overhauled safely and reliably.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a front view block diagram of the present utility model;

FIG. 3 is a top perspective view of the present utility model;

FIG. 4 is a cross-sectional block diagram of the tail section of the present utility model;

FIG. 5 is a block diagram of the spindle lock assembly and disassembly tools of the present utility model;

in the figure: a screw 1; an insertion section 11; a threaded section 12; a tail section 13; a telescopic limit assembly 131; a telescoping lumen 1311; protruding hole 1312; a telescoping spring 1314; a release plate 1315; a limit bump 1316; an externally threaded shaft 132; an internal thread joint 2; a cushion block 3; an adjusting nut 4; a positioning head 5; an isosceles trapezoid groove 6; an ingot locking device 7; a piston connecting rod 8; compressing the spring 9.

Detailed Description

As shown in fig. 1-5, a hydraulic generator set spindle locking device dismounting tool comprises a spindle locking device 7 and a dismounting tool, wherein a compression spring 9 and a piston connecting rod 8 are movably arranged in the spindle locking device 7, the piston connecting rod 8 compresses the compression spring 9, and a cylinder body reserved hole for stretching is further formed in the center point of the end head of the spindle locking device 7;

the disassembly and assembly tool comprises a screw 1, an internal thread connector 2 welded at the front end of the screw 1, a cushion block 3 sleeved outside the screw 1, and an adjusting nut 4 screwed outside the screw 1, wherein the cushion block 3 is positioned between the adjusting nut 4 and the internal thread connector 2, the internal thread connector 2 penetrates through a cylinder body reserved hole of the spindle locking device 7 and a compression spring 9 to be screwed outside a piston connecting rod 8, and the adjusting nut 4 locks the cushion block 3 outside the cylinder body reserved hole.

It should be noted that, be provided with the screw thread with internal thread connector 2 looks adaptation on the outer wall surface of piston connecting rod 8, the diameter of internal thread connector 2 is less than the diameter of cylinder body preformed hole, and the internal diameter slightly is greater than the external diameter of piston connecting rod 8, the center department of cushion 3 is provided with the centre bore that the diameter slightly is greater than screw rod 1, the size of cushion 3 is greater than the diameter of cylinder body preformed hole.

When the dismounting tool is used, the internal thread connector 2 penetrates into the cylinder body reserved hole and is sleeved outside the piston connecting rod 8 in a threaded manner, then the adjusting nut 4 is rotated to compress the cushion block 3 outside the cylinder body reserved hole, so that the spring force is locked, then the cylinder body connecting bolt is dismounted, the spring force is released by slowly screwing out the adjusting nut 4 until the dismounting is completed, and finally the dismounting tool is dismounted.

In a preferred scheme, the screw 1 comprises an inserting section 11, a threaded section 12 and a tail section 13, wherein the inserting section 11 is used for being inserted into the spindle locking device 7, the threaded section 12 is used for adjusting the rotation of the adjusting nut 4, a telescopic limiting component 131 is arranged in the tail section 13 and used for temporarily limiting the adjusting nut 4 and the cushion block 3 at the tail section 13, and the cushion block 3 can be prevented from freely moving on the screw 1 when being inserted.

In a preferred embodiment, the telescopic limiting component 131 includes a telescopic cavity 1311 formed in the tail section 13, protruding holes 1312 formed at two ends of the telescopic cavity 1311 and communicated with the telescopic cavity, a telescopic spring 1314 arranged in the telescopic cavity 1311, a release preventing plate 1315 formed at two ends of the telescopic spring 1314, and a limiting protrusion 1316 fixedly arranged at the other side of the release preventing plate 1315 and penetrating through the protruding holes 1312, wherein the diameter of the release preventing plate 1315 is larger than that of the protruding holes 1312.

When the screw rod 1 is used, the two limiting protruding blocks 1316 can stretch and retract in the protruding holes 1312 under the action of the telescopic springs 1314, so that the adjusting nut 4 and the cushion block 3 can be limited above the protruding holes, the cushion block 3 is prevented from continuously sliding in the use process of the screw rod 1, the operation is prevented from being influenced, and meanwhile, when the two limiting protruding blocks 1316 shrink, the limiting contact can enable the adjusting nut 4 and the cushion block 3 to slide down, and the normal use of the adjusting nut and the cushion block 3 is not influenced.

In the preferred scheme, the one end that limiting lug 1316 passed protruding hole 1312 is isosceles trapezoid shape, and the upper and lower both ends of adjusting nut 4 and cushion 3 centre bore all are provided with the isosceles trapezoid groove 6 with limiting lug 1316 looks adaptation, be convenient for through exerting certain power on adjusting nut 4 and cushion 3, utilize isosceles trapezoid groove 6 and be the contact of limiting lug 1316 of isosceles trapezoid shape, make limiting lug 1316 shrink, avoid making it shrink through pressing, improved the convenience of use.

In the preferred scheme, the top of tail section 13 is provided with the limit head 5 that is used for preventing adjusting nut 4 and cushion 3 from droing, and the diameter of limit head 5 is greater than adjusting nut 4 and the internal diameter of cushion 3, improves the wholeness of instrument, avoids appearing losing the condition.

In the preferred scheme, the top of tail section 13 is provided with integrated into one piece's external screw thread axle 132, and limited head 5 is installed to the external screw thread of external screw thread axle 132, makes spacing head 5 can dismantle according to the user demand.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (6)

1. The utility model provides a hydraulic generator group lock spindle device assembly and disassembly tools, includes lock spindle device (7) and assembly and disassembly tools, and the inside activity of lock spindle device (7) is provided with compression spring (9) and piston connecting rod (8), characterized by: the disassembly and assembly tool comprises a screw rod (1), an internal thread connector (2) arranged at the front end of the screw rod (1), a cushion block (3) sleeved outside the screw rod (1) and an adjusting nut (4) sleeved outside the screw rod (1) in a threaded mode, wherein the internal thread connector (2) penetrates through a cylinder body reserved hole of the spindle locking device (7) and a compression spring (9) to be sleeved outside a piston connecting rod (8) in a threaded mode, and the cushion block (3) is locked on the outer side of the cylinder body reserved hole through the adjusting nut (4).

2. The assembly and disassembly tool for an ingot locking device of a hydraulic generator set according to claim 1, wherein: the screw rod (1) comprises an insertion section (11), a thread section (12) and a tail section (13), wherein a telescopic limiting assembly (131) is arranged in the tail section (13) and used for temporarily limiting the adjusting nut (4) and the cushion block (3) at the tail section (13).

3. The assembly and disassembly tool for the spindle locking device of the hydraulic generator set according to claim 2, wherein: the telescopic limiting assembly (131) comprises a telescopic cavity (1311) formed in the tail section (13), protruding holes (1312) formed in two ends of the telescopic cavity (1311) and communicated with the telescopic cavity, a telescopic spring (1314) arranged in the telescopic cavity (1311), anti-falling plates (1315) arranged at two ends of the telescopic spring (1314), and limiting protruding blocks (1316) arranged on the other side of the anti-falling plates (1315) and penetrating through the protruding holes (1312), wherein the diameters of the anti-falling plates (1315) are larger than those of the protruding holes (1312).

4. A hydraulic generator set spindle lock assembly and disassembly tool according to claim 3, wherein: one end of the limiting lug (1316) penetrating through the protruding hole (1312) is in an isosceles trapezoid shape, and the upper end and the lower end of the central hole of the adjusting nut (4) and the central hole of the cushion block (3) are respectively provided with an isosceles trapezoid groove (6) matched with the limiting lug (1316).

5. The hydraulic generator set spindle lock assembly and disassembly tool according to any one of claims 2 to 4, wherein: the top end of the tail section (13) is provided with a limiting head (5) for preventing the adjusting nut (4) and the cushion block (3) from falling off.

6. The assembly and disassembly tools for a hydro-generator set spindle lock assembly as set forth in claim 5, wherein: the top of the tail section (13) is provided with an external thread shaft (132), and a limiting head (5) is arranged on the external thread of the external thread shaft (132).