Wrench for disassembling and assembling fastening nut of turbine bearing package four-groove lock

Abstract

The utility model relates to the technical field of disassembly and assembly of four-groove lock fastening nuts, in particular to a disassembly and assembly wrench for a four-groove lock fastening nut of a turbine bearing package, which comprises a lock fastening wrench body and a four-groove lock fastening nut main body. According to the four-groove lock fastening nut, due to the arrangement of the stress application plate dismounting structure, the structural characteristics of a traditional four-groove lock fastening nut body are changed, and according to the actual size of the four-groove lock fastening nut and the actual size of the fastening groove four-groove lock fastening nut, the fastening groove four-groove lock fastening nut is dismounted; a proper steel plate is selected to machine a circle, four claws are reserved on the circle and are completely matched with fastening grooves of the four-groove lock fastening nut, two stress application plate bodies are installed on the locking fastening wrench body and can be conveniently used for beating by a hammer, and a protruding block on the locking fastening wrench body is aligned with a notch in a four-groove lock fastening nut body to be inserted into the notch. And then the electric wrench is connected to one end of the locking wrench body and used for driving the locking wrench body to rotate, and when the locking wrench body rotates, the four-groove locking nut main body can be rotationally opened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of four-slot locking fastening nut dismounting wrench of turbine bearing package, in particular to a kind of four-slot locking fastening nut dismounting wrench of turbine bearing package, belong to four-slot locking fastening nut dismounting technical field. BACKGROUND

[0002] Turbine is a kind of fluid energy conversion into mechanical energy's rotary power machinery, is widely used in various industrial fields, bearing package is important component in turbine, for supporting and fixed rotor shaft, ensure its stable operation, in the dismounting maintenance process of turbine, bearing package and its fastening nut are key dismounting object.Four-slot locking fastening nut is a kind of nut with special structure, its surface opens four grooves, for with wrench etc. Tool cooperation, realize the fastening and loosening of nut.This kind of nut has the advantages such as locking effect good, not easy to loosen, is widely used in bearing package of turbine and other equipment.

[0003] The existing four-slot locking fastening fixed nut structure is single, when replacing bearing, the entire bearing package needs to be removed, bearing package has a four-slot locking fastening fixed nut, not easy to loosen, often use hammer and chisel, due to limited space, not easy to force, use chisel to easily hurt the nut fastening groove, also easily hurt the wire tooth on motor rotor shaft, once hurt the wire tooth on shaft, not easy to repair, possibly motor shaft is scrapped, each time when replacing bearing package, it is more difficult, time-consuming and laborious, also not safe, bring inconvenience to work.

[0004] Therefore, it is urgent to improve a kind of four-slot locking fastening nut dismounting wrench of turbine bearing package to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose is provided with a kind of turbine bearing package four-slot locking fastening nut dismounting wrench, by the setting of force plate dismounting structure, change the structure characteristics of traditional four-slot locking fastening nut main body, and according to four-slot locking fastening nut actual size and the actual size of fastening groove four-slot locking fastening nut, to select suitable steel sheet and process a circular four-jaw piece is left and with four-slot locking fastening nut's fastening groove completely coincide, and install two force plate main bodies on locking fastening wrench body, it is convenient for hammer to be used to knock, when locking fastening wrench body is disassembled, the protrusion on locking fastening wrench body is inserted to the slot on four-slot locking fastening nut main body in alignment, then electric wrench is connected at one end of locking fastening wrench body for driving locking fastening wrench body rotation, locking fastening wrench body rotates can four-slot locking fastening nut main body be rotated and opened, if the strength of electric wrench is not enough to dismount four-slot locking fastening nut main body, using hammer to knock force plate main body can, when installing four-slot locking fastening nut main body, if the torsion of electric wrench is not enough, can be knocked two force plate main bodies by hammer, so that four-slot locking fastening nut main body is fastened in place, more firm, reliable, since force plate main body is often knocked, thus can cause damage, if force plate main body is damaged, without replacing entire locking fastening wrench body, directly multiple barrier bolts are removed from locking fastening wrench body, locking fastening wrench body can be removed by pulling force plate main body, the connecting block on new force plate main body is inserted after being aligned first sliding slot, then multiple barrier bolts are fixed on locking fastening wrench body, and force plate main body can be blocked, force plate main body can be avoided from falling off locking fastening wrench body, the advantage of this structure is not only to provide knocking point for hammer, but also to facilitate replacement when force plate main body is damaged, thereby reducing the waste of locking fastening wrench body.

[0006] In order to achieve the above object, the utility model adopts the main technical scheme includes:

[0007] A turbine bearing package four-slot locking fastening nut dismounting wrench, comprising a locking fastening wrench body and a four-slot locking fastening nut main body, an electric wrench is installed on the locking fastening wrench body, a force plate dismounting structure is arranged on the locking fastening wrench body, the force plate dismounting structure comprises a plurality of first sliding grooves opened on the locking fastening wrench body, a connecting block is movably installed in the first sliding groove, a force plate main body is fixedly installed on the top of the connecting block, a plurality of barrier bolts connected with the locking fastening wrench body are installed on one side of the connecting block.

[0008] Preferably, a plurality of tooth grooves are formed at one end of the barrier bolt.

[0009] Preferably, a second sliding groove is formed on one side of the first sliding groove, and a sliding block connected with the connecting block is movably installed in the second sliding groove.

[0010] Preferably, a plurality of first magnetic blocks are fixedly installed on the lock fastening wrench body, and a plurality of second magnetic blocks magnetically connected with the first magnetic blocks are fixedly installed on the four-groove lock fastening nut body.

[0011] Preferably, a plurality of mounting holes are formed on the lock fastening wrench body, springs are fixedly installed in the mounting holes, clamping blocks are fixedly installed at one end of the springs, a connecting sleeve adapted to one end of the lock fastening wrench body is fixedly installed on the electric wrench, and a plurality of clamping holes matched with the clamping blocks are formed on the connecting sleeve.

[0012] Preferably, a plurality of fixed plates are fixedly installed on the connecting sleeve, a push block is installed between the fixed plates, a limiting rod is fixedly installed at one end of the push block, and a limiting hole matched with the limiting rod is formed on the clamping block.

[0013] Preferably, an insertion hole is formed on the fixed plate and the push block, and an insertion rod connected with the push block is installed on the fixed plate.

[0014] The utility model at least has the following beneficial effects:

[0015] Through the setting of the force-adding plate dismounting structure, the structural features of the traditional four-groove lock fastening nut body are changed, and according to the actual size of the four-groove lock fastening nut and the actual size of the fastening groove of the four-groove lock fastening nut, a suitable steel plate is selected to process a circular four-jaw piece which is completely matched with the fastening groove of the four-groove lock fastening nut, and two force-adding plate bodies are installed on the lock fastening wrench body, which is convenient for using a hammer to knock, and when the lock fastening wrench body is dismounted, the protrusions on the lock fastening wrench body are inserted into the notches on the four-groove lock fastening nut body, then the electric wrench is connected to one end of the lock fastening wrench body to drive the lock fastening wrench body to rotate, and when the lock fastening wrench body rotates, the four-groove lock fastening nut body can be rotated and opened, if the electric wrench is not strong enough to dismount the four-groove lock fastening nut body, the force-adding plate body can be knocked with a hammer, if the electric wrench is not strong enough to install the four-groove lock fastening nut body, the two force-adding plate bodies can be knocked with a hammer to make the four-groove lock fastening nut body fasten in place, which is more firm and reliable, since the force-adding plate body is often knocked, it may be damaged, if the force-adding plate body is damaged, the entire lock fastening wrench body does not need to be replaced, a plurality of blocking bolts are removed from the lock fastening wrench body, the force-adding plate body is pulled out and removed, the connecting block on the new force-adding plate body is inserted into the first sliding groove, and then the plurality of blocking bolts are fixed on the lock fastening wrench body to block the force-adding plate body, which can prevent the force-adding plate body from falling off the lock fastening wrench body, the structure has the advantages of not only providing a knocking point for the hammer, but also facilitating the replacement of the force-adding plate body when it is damaged, thereby reducing the waste of the lock fastening wrench body. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the whole structure schematic diagram of the utility model; Figure 1 The enlarged view of A in the middle;

[0019] Figure 3 It is the whole structure schematic diagram of the utility model; Figure 1 The enlarged view of B in the middle;

[0020] Figure 4 It is the main structure schematic diagram of the utility model's force plate;

[0021] Figure 5 It is the whole structure schematic diagram of the utility model; Figure 4 The enlarged view of C in the middle;

[0022] Figure 6 It is the whole structure schematic diagram of the utility model; Figure 4 The enlarged view of D in the middle.

[0023] In the figure, 1, locking wrench body;2, four-groove locking nut main body;3, electric wrench;4, force plate dismounting structure;5, first sliding groove;6, connecting block;7, force plate main body;8, barrier bolt;9, tooth groove;10, second sliding groove;11, sliding block;12, first magnetic block;13, second magnetic block;14, mounting hole;15, spring;16, clamping block;17, connecting sleeve;18, clamping hole;19, fixed plate;20, push block;21, limiting rod;22, limiting hole;23, insertion hole;24, insertion rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As Figures 1-6 shown, the embodiment of the utility model provides a four-groove locking nut dismounting wrench for turbine bearing.

[0026] The utility model provides a turbine bearing package four slot locking fastening nut dismounting wrench, including locking fastening wrench body 1 and four slot locking fastening nut main body 2, locking fastening wrench body 1 is installed with electric wrench 3, locking fastening wrench body 1 is provided with the force plate dismounting structure 4, and the force plate dismounting structure 4 includes the first slide groove 5 that sets up in locking fastening wrench body 1, the inside movable mounting of first slide groove 5 has the connecting block 6, the top fixed mounting of connecting block 6 has the force plate main body 7, and the one side of connecting block 6 is installed multiple with the barrier bolt 8 that locking fastening wrench body 1 is connected, through the setting of force plate dismounting structure 4, the structural features of traditional four slot locking fastening nut main body 2 are changed, and according to four slot locking fastening nut actual size and fastening groove four slot locking fastening nut actual size, select the appropriate steel sheet and process a round and have four claw piece and with four slot locking fastening nut's fastening groove completely coincide, and install two force plate main bodies 7 on locking fastening wrench body 1, it is convenient for hammer to be used to knock, when dismounting locking fastening wrench body 1, the protruding block on locking fastening wrench body 1 is inserted into the slot on four slot locking fastening nut main body 2, then electric wrench 3 is connected at one end of locking fastening wrench body 1 for driving locking fastening wrench body 1 rotation, when locking fastening wrench body 1 rotates, four slot locking fastening nut main body 2 can be rotated and opened, if the strength of electric wrench 3 is not enough to remove four slot locking fastening nut main body 2, using hammer to knock force plate main body 7, when installing four slot locking fastening nut main body 2, if the torsion of electric wrench 3 is not enough, can use hammer to knock two force plate main bodies 7 and make four slot locking fastening nut main body 2 fasten in place, more firm, reliable, since force plate main body 7 is often knocked, thus can cause damage, if force plate main body 7 is damaged, need not replace the whole locking fastening wrench body 1, directly take out multiple barrier bolts 8 from locking fastening wrench body 1, can pull force plate main body 7 and take down, after the connecting block 6 on new force plate main body 7 is inserted into first slide groove 5, then again multiple barrier bolts 8 are fixed on locking fastening wrench body 1, can the barrier of force plate main body 7, can avoid force plate main body 7 from falling off locking fastening wrench body 1, the advantage of this structure is not only can provide the knocking point for hammer, but also can be convenient to replace when force plate main body 7 is damaged, thereby reducing the waste of locking fastening wrench body 1.

[0027] As Figure 2 The end of barrier bolt 8 is provided with multiple tooth grooves 9, which can increase the friction of one end of barrier bolt 8, so that the hand is not easy to slip when rotating barrier bolt 8, thereby facilitating the dismounting and installation of barrier bolt 8.

[0028] As Figure 2As shown, the first chute 5 is provided with a second chute 10 on one side, and a sliding block 11 connected with the connecting block 6 is movably arranged in the second chute 10. The second chute 10 and the sliding block 11 can reduce the friction between the connecting block 6 and the locking wrench body 1, so that the connecting block 6 can slide more smoothly in the first chute 5, thereby facilitating the disassembly and replacement when the reinforcing plate body 7 is damaged.

[0029] As shown in the drawings, Figure 3 The locking wrench body 1 is provided with a plurality of first magnetic blocks 12, and the four-groove locking nut body 2 is provided with a plurality of second magnetic blocks 13 magnetically connected with the first magnetic blocks 12. The first magnetic blocks 12 and the second magnetic blocks 13 can quickly align the protrusions on the locking wrench body 1 with the grooves on the four-groove locking nut body 2, and the first magnetic blocks 12 and the second magnetic blocks 13 can also improve the stability of the locking wrench body 1 on the four-groove locking nut body 2 when they are attracted, thereby avoiding loosening of the locking wrench body 1 when it rotates.

[0030] As shown in the drawings, Figure 5 and Figure 6 The locking wrench body 1 is provided with a plurality of mounting holes 14, and the mounting holes 14 are provided with springs 15. One end of the spring 15 is provided with a clamping block 16. The electric wrench 3 is provided with a connecting sleeve 17 matched with one end of the locking wrench body 1. The connecting sleeve 17 is provided with a plurality of clamping holes 18 matched with the clamping block 16. When the electric wrench 3 is connected with the locking wrench body 1, first, one end of the locking wrench body 1 is inserted into the connecting sleeve 17. The clamping block 16 is extruded and shrunk into the mounting hole 14 during the insertion of the locking wrench body 1. When the clamping block 16 moves to the position of the clamping hole 18, the clamping block 16 can be popped into the clamping hole 18 under the elastic action of the spring 15, thereby improving the stability of the connection between the locking wrench body 1 and the electric wrench 3. The locking wrench body 1 and the electric wrench 3 are separated. The clamping block 16 is pressed to shrink into the connecting sleeve 17, and then it can be pulled out.

[0031] As shown in the drawings, Figure 5 and Figure 6As shown, the connecting sleeve 17 is fixedly provided with a plurality of fixed plates 19, and a push block 20 is arranged between the fixed plates 19. One end of the push block 20 is fixedly provided with a limiting rod 21. The clamping block 16 is provided with a limiting hole 22 matched with the limiting rod 21. Through the arrangement of the fixed plate 19, the push block 20, the limiting rod 21 and the limiting hole 22, when the clamping block 16 is clamped in the clamping hole 18, the push block 20 is pushed to drive the limiting rod 21 to move until the limiting rod 21 is inserted into the limiting hole 22, so that the clamping block 16 is prevented from being retracted due to accidental impact, thereby preventing the electric wrench 3 from loosening during operation.

[0032] As shown in Figure 6 , the fixed plate 19 and the push block 20 are provided with a insertion hole 23. The fixed plate 19 is provided with an insertion rod 24 connected with the push block 20. Through the arrangement of the insertion hole 23 and the insertion rod 24, when the limiting rod 21 is inserted into the limiting hole 22, the insertion rod 24 is inserted into the insertion hole 23 to connect the push block 20 and the fixed plate 19, thereby improving the stability of the push block 20 and preventing it from sliding.

[0033] In this embodiment, as Figures 1-6 shown, the working process of the four-slot locking and fastening nut dismounting wrench for turbine bearing provided in this embodiment is as follows:

[0034] Two force plates 7 are arranged on the locking and fastening wrench body 1 to facilitate the use of a hammer to knock and dismount the locking and fastening wrench body 1. When dismounting the locking and fastening wrench body 1, the protrusions on the locking and fastening wrench body 1 are inserted into the slots on the four-slot locking and fastening nut body 2, and then the electric wrench 3 is connected to one end of the locking and fastening wrench body 1 to drive the locking and fastening wrench body 1 to rotate, thereby opening the four-slot locking and fastening nut body 2. If the electric wrench 3 is not strong enough to dismount the four-slot locking and fastening nut body 2, the force plates 7 can be knocked with a hammer. If the torque of the electric wrench 3 is not enough when installing the four-slot locking and fastening nut body 2, the two force plates 7 can be knocked with a hammer to tighten the four-slot locking and fastening nut body 2 in place, making it more secure and reliable. Since the force plates 7 are often knocked, they may be damaged. If the force plates 7 are damaged, the entire locking and fastening wrench body 1 does not need to be replaced. Instead, the blocking bolts 8 are removed from the locking and fastening wrench body 1 to pull out and remove the force plates 7. The connecting blocks 6 on the new force plates 7 are inserted into the first sliding grooves 5, and then the blocking bolts 8 are fixed to the locking and fastening wrench body 1 to block the force plates 7, preventing them from falling off the locking and fastening wrench body 1. This structure not only provides a knocking point for the hammer, but also facilitates the replacement of the force plates 7 when they are damaged, thereby reducing the waste of the locking and fastening wrench body 1.

[0035] In summary, in the embodiment, the four-groove locking fast nut dismounting wrench for a turbine bearing according to the embodiment can increase the friction force at one end of the blocking bolt 8 through the arrangement of the tooth groove 9, so that the hand of the person is not easy to slip when the person rotates the blocking bolt 8, thereby facilitating the dismounting and mounting of the blocking bolt 8.

[0036] Through the arrangement of the second sliding groove 10 and the sliding block 11, the friction force between the connecting block 6 and the locking fast wrench body 1 can be reduced, so that the sliding of the connecting block 6 in the first sliding groove 5 is smoother, thereby facilitating the dismounting and replacing of the force plate body 7 when it is damaged. Through the arrangement of the first magnetic block 12 and the second magnetic block 13, the protrusion on the locking fast wrench body 1 can be quickly aligned with the slot on the four-groove locking fast nut body 2, and the stability of the locking fast wrench body 1 on the four-groove locking fast nut body 2 can be improved when the first magnetic block 12 and the second magnetic block 13 are attracted, avoiding the loosening of the locking fast wrench body 1 when it rotates.

[0037] Through the arrangement of the mounting hole 14, the spring 15, the clamping block 16, the connecting sleeve 17 and the clamping hole 18, when the electric wrench 3 is connected with the locking fast wrench body 1, first, one end of the locking fast wrench body 1 is aligned with the connecting sleeve 17 and is inserted, the clamping block 16 is extruded and shrunk into the inside of the mounting hole 14 during the insertion of the locking fast wrench body 1, when the clamping block 16 moves to the position of the clamping hole 18, the clamping block 16 can be popped out and clamped in the inside of the clamping hole 18 under the elastic action of the spring 15, thereby improving the stability of the connection between the locking fast wrench body 1 and the electric wrench 3, and the locking fast wrench body 1 and the electric wrench 3 are separated, the clamping block 16 is shrunk into the inside of the connecting sleeve 17 by pressing, and then it is pulled out.

[0038] Through the arrangement of the fixing plate 19, the push block 20, the limiting rod 21 and the limiting hole 22, when the clamping block 16 is clamped in the inside of the clamping hole 18, the limiting rod 21 is moved by driving the push block 20, until the limiting rod 21 is inserted into the inside of the limiting hole 22, then the clamping block 16 is prevented from being shrunk due to accidental touch, thereby preventing the loosening of the electric wrench 3 during operation.

[0039] Through the arrangement of the insertion hole 23 and the insertion rod 24, when the limiting rod 21 is inserted into the inside of the limiting hole 22, the insertion rod 24 is inserted into the inside of the insertion hole 23 to connect the push block 20 and the fixing plate 19 together, thereby improving the stability of the push block 20 and preventing it from sliding.

[0040] Certain terminology can also be used in the summary, and the claims to refer to particular components. As one skilled in the art will appreciate, components can be referred to by different names by various manufacturers and those names changed from one generation of a product or manufacturing process to another. Accordingly, any specific terminology used in the summary and claims should not be considered limiting. Rather, the specific terminology used in the summary and claims is intended to refer to the components that perform the functions described in the summary and claims.

[0041] It is to be understood that the terms "including", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0042] The above description discloses and describes several preferred embodiments of the present application, but as mentioned above, the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the present application conceived herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application should be within the scope of protection of the appended claims of the present application.

Claims

1. A turbine bearing four-groove locking fastening nut dismounting wrench, comprising a locking fastening wrench body (1) and a four-groove locking fastening nut body (2), an electric wrench (3) is installed on the locking fastening wrench body (1), characterized in that: The locking fast wrench body (1) is provided with a force adding plate dismounting structure (4), the force adding plate dismounting structure (4) includes a plurality of first sliding grooves (5) opened on the locking fast wrench body (1), a connecting block (6) is movably installed in the first sliding groove (5), a force adding plate main body (7) is fixedly installed on the top of the connecting block (6), a plurality of barrier bolts (8) connected with the locking fast wrench body (1) are installed on one side of the connecting block (6).

2. A socket wrench for removing and installing a fastening nut of a turbine bearing cage according to claim 1, characterized in that: The barrier bolt (8) is provided with a plurality of tooth grooves (9) at one end.

3. A socket wrench for removing and installing a fastening nut of a turbine bearing cage according to claim 1, characterized in that: A second sliding groove (10) is opened on one side of the first sliding groove (5), and a sliding block (11) connected with the connecting block (6) is movably installed in the second sliding groove (10).

4. A socket wrench for removing and installing a fastening nut of a turbine bearing cage according to claim 1, characterized in that: A plurality of first magnetic blocks (12) are fixedly installed on the locking fast wrench body (1), and a plurality of second magnetic blocks (13) magnetically connected with the first magnetic blocks (12) are fixedly installed on the four-groove locking fast nut main body (2).

5. A socket wrench for removing and installing a fastening nut of a turbine bearing cage according to claim 1, characterized in that: A plurality of mounting holes (14) are opened on the locking fast wrench body (1), springs (15) are fixedly installed in the mounting holes (14), clamping blocks (16) are fixedly installed at one end of the springs (15), a connecting sleeve (17) adapted to one end of the locking fast wrench body (1) is fixedly installed on the electric wrench (3), and a plurality of clamping holes (18) matched with the clamping blocks (16) are opened on the connecting sleeve (17).

6. A socket wrench for removing and installing a fastening nut of a turbine bearing cage according to claim 5, characterized in that: A plurality of fixed plates (19) are fixedly installed on the connecting sleeve (17), a push block (20) is installed between the fixed plates (19), a limiting rod (21) is fixedly installed at one end of the push block (20), and a limiting hole (22) matched with the limiting rod (21) is opened on the clamping block (16).

7. A socket wrench for removing and installing a fastening nut of a turbine bearing cage according to claim 6, characterized in that: Insertion holes (23) are opened on the fixed plates (19) and the push block (20), and an insertion rod (24) connected with the push block (20) is installed on the fixed plate (19).

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