CN216009371U

CN216009371U - Crankshaft anti-collision dynamic balancing device

Info

Publication number: CN216009371U
Application number: CN202122618864.8U
Authority: CN
Inventors: 许加堂; 丁波; 王祥属; 刘杰; 赵英
Original assignee: Linyi Chipeng Machinery Co ltd
Current assignee: Linyi Chipeng Machinery Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-03-11
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a crankshaft prevents bumping dynamic balance device, including last main ring and lower main ring, it is the semi-ring body structure of mutually supporting with lower main ring to go up the main ring, the lateral wall symmetrical welding of going up the main ring has two first fixed plates, the lateral wall symmetrical welding of lower main ring has two second fixed plates, it has two splint, two to go up the equal symmetrical sliding connection of lateral wall of main ring and lower main ring the splint have the link jointly, it has all run through with lower main ring and has seted up the sliding tray to go up the main ring, the sliding tray is connected with centre gripping size adjusting device, first fixed plate is connected with easily cooperation device, centre gripping size adjusting device includes two threaded rods, two the threaded rod respectively with two the sliding tray corresponds. The utility model discloses a set up fixture block, draw-in groove and cooperation groove isotructure for the automatic cooperation of the draw-in groove through the fixture block makes convenient will go up the main ring and install with lower main ring, thereby makes things convenient for people to operate, improves the installation effectiveness.

Description

Crankshaft anti-collision dynamic balancing device

Technical Field

The utility model relates to a bent axle technical field especially relates to a dynamic balance device is prevented bumping by bent axle.

Background

In the production and manufacture of the crankshaft, some crankshafts which cannot balance the self weight need to be added with an equivalent ring for dynamic balance, the universal equivalent ring adopts a clamping connecting rod journal for dynamic balance, and the crankshaft is finished with finish machining during the dynamic balance, so that the journal is easy to be scratched, if the crankshaft is not removed, the continuous scratching is easy to be caused, and if the crankshaft is removed, the weight of the equivalent ring is insufficient, Chinese patent publication No. CN201514307U proposes a crankshaft anti-scratching balance device which comprises an equivalent ring upper body and an equivalent ring lower body, wherein one end of the equivalent ring upper body and one end of the equivalent ring lower body are hinged through a threaded cylindrical pin, and the other end of the equivalent ring upper body and the other end of the equivalent ring lower body are connected through a lifting ring bolt and a nut to form a circular hollow equivalent ring, and the crankshaft has the advantages that the assembly is convenient, the equivalent ring after the crankshaft is clamped by the clamping plate ring forms a hollow cavity which is not contacted with the crankshaft journal connecting rod, avoid causing the axle journal scar, it is applicable to various axle dynamic balance.

But at the in-process that combines the installation to the equivalent ring upper part of the body and the equivalent ring lower part of the body, inconvenient people operate for installation effectiveness is slower, based on this, the utility model designs a dynamic balance device is prevented bumping by the bent axle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a crankshaft anti-collision dynamic balance device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a crankshaft prevents bumping dynamic balance device, includes main ring and lower main ring, go up the main ring and be half ring body structure of mutually supporting with lower main ring, the lateral wall symmetrical welding of going up the main ring has two first fixed plates, the lateral wall symmetrical welding of lower main ring has two second fixed plates, the equal symmetrical sliding connection of lateral wall of going up the main ring and lower main ring has two splint, two splint have the link in common welding, it has all run through the sliding tray with lower main ring and has seted up to go up the main ring, the sliding tray is connected with centre gripping size adjusting device, first fixed plate is connected with easily proportioning plant.

Preferably, centre gripping size adjustment device includes two threaded rods, two the threaded rod respectively with two the sliding tray corresponds, the threaded rod rotates with the cell wall of its corresponding sliding tray to be connected, the threaded rod runs through the sliding tray and keeps away from the cell wall of splint one end and outwards stretches out the welding and has the rolling disc, the lateral wall sliding connection of link and sliding tray, link and threaded rod threaded connection.

Preferably, easily cooperate the device and include two recesses, two the lateral wall at first fixed plate is seted up to the recess symmetry, two open-ended one side welding is kept away from to the recess has the spring, two the other end common welding of spring has the arm-tie, the lateral wall welding of arm-tie has the fixture block, the cooperation groove has been seted up to the diapire of first fixed plate, the fixture block runs through the lateral wall in cooperation groove and stretches out to cooperation inslot portion, the roof welding of second fixed plate has the cooperation piece, the draw-in groove has been seted up to the lateral wall of cooperation piece.

Preferably, the size of the fitting block is matched with the size of the fitting groove, and the size of the fixture block is matched with the size of the clamping groove.

Preferably, the bottom wall of the clamping block is of a circular arc structure, and a pull ring is glued on the side wall of the pull plate.

Preferably, the side wall of the clamping plate is glued with an elastic pad, and the clamping plate is arranged in a circular ring structure.

Compared with the prior art, the utility model has the advantages of:

1. through setting up arm-tie, spring and cooperation piece isotructure, make when cooperating to last main ring and lower main ring, cooperate through cooperating piece and cooperation groove, make the cooperation piece slide along the cooperation groove, when the position of cooperation piece motion to draw-in groove corresponds with the position of fixture block, the fixture block will cooperate with the draw-in groove automatically under the effect of spring this moment, thereby will go up the main ring and install with lower main ring, it is comparatively convenient to operate, the people of being convenient for operate.

2. Through setting up splint, cushion, threaded rod and rolling disc isotructure for through rotating the rolling disc, make the rolling disc drive the threaded rod and rotate, thereby make the link drive splint remove and carry out the centre gripping to the bent axle, can carry out the centre gripping to not unidimensional bent axle, and set up the cushion, thereby avoid producing the destruction to the table wall of bent axle, guaranteed the quality of bent axle.

Drawings

Fig. 1 is a first view of a crankshaft anti-collision dynamic balance device provided by the present invention;

fig. 2 is a second view of the crankshaft anti-collision dynamic balancing device provided by the present invention;

fig. 3 is a side sectional view of a crankshaft anti-collision dynamic balance device provided by the present invention;

fig. 4 is a side sectional view of a first fixing plate and a second fixing plate in the crankshaft anti-collision dynamic balancing device provided by the present invention;

fig. 5 is a top cross-sectional view of a first fixing plate in the crankshaft anti-collision dynamic balancing device provided by the present invention;

fig. 6 is a part diagram of the crankshaft anti-collision dynamic balance device provided by the utility model.

In the figure: the device comprises an upper main ring 1, a lower main ring 2, a first fixing plate 3, a second fixing plate 4, a clamping plate 5, a connecting frame 6, a sliding groove 7, a threaded rod 8, a rotating disc 9, a matching block 10, a clamping groove 11, a groove 12, a spring 13, a pulling plate 14, a pulling ring 15, a clamping block 16, a matching groove 17 and an elastic pad 18.

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.

Referring to fig. 1-6, a crankshaft anti-collision dynamic balance device, including last main ring 1 and lower main ring 2, it is half ring body structure of mutually supporting to go up main ring 1 and lower main ring 2, the lateral wall symmetric welding of going up main ring 1 has two first fixed plates 3, the lateral wall symmetric welding of lower main ring 2 has two second fixed plates 4, the equal symmetric sliding connection of lateral wall of going up main ring 1 and lower main ring 2 has two splint 5, the common welding of two splint 5 has link 6, it has all run through with lower main ring 2 and has seted up sliding tray 7 to go up main ring 1, sliding tray 7 is connected with centre gripping size adjusting device, first fixed plate 3 is connected with easily cooperation device.

Centre gripping size adjusting device includes two threaded rods 8, two threaded rods 8 are corresponding with two sliding tray 7 respectively, threaded rod 8 rotates rather than the cell wall of corresponding sliding tray 7 to be connected, threaded rod 8 runs through the cell wall that sliding tray 7 kept away from splint 5 one end and outwards stretches out the welding and has rolling disc 9, link 6 and sliding tray 7's lateral wall sliding connection, link 6 and threaded rod 8 threaded connection, through rotating rolling disc 9, make rolling disc 9 drive threaded rod 8 rotate, thereby make link 6 drive splint 5 remove and carry out the centre gripping to the bent axle, can carry out the centre gripping to not unidimensional bent axle, the application range of device has been enlarged.

The easy matching device comprises two grooves 12, the two grooves 12 are symmetrically arranged on the side wall of the first fixing plate 3, one side, away from the opening, of each groove 12 is welded with a spring 13, the other end of each spring 13 is welded with a pulling plate 14, the side wall of each pulling plate 14 is welded with a clamping block 16, the bottom wall of the first fixing plate 3 is provided with a matching groove 17, each clamping block 16 penetrates through the side wall of each matching groove 17 and extends towards the inside of each matching groove 17, the top wall of the second fixing plate 4 is welded with a matching block 10, the side wall of each matching block 10 is provided with a clamping groove 11, when the upper main ring 1 and the lower main ring 2 are matched, the matching blocks 10 are matched with the matching grooves 17, so that the matching blocks 10 slide along the matching grooves 17, when the matching blocks 10 move to the positions of the clamping grooves 11 and the positions of the clamping blocks 16 correspond to the positions of the clamping blocks 16, at the moment, the clamping blocks 16 automatically match with the clamping grooves 11 under the action of the springs 13, therefore, the upper main ring 1 and the lower main ring 2 are installed, the operation is convenient, and people can operate the device conveniently.

The size of cooperation piece 10 cooperatees with the size of cooperation groove 17, and the size of the cooperation groove 11, and the bottom wall of the size of the cooperation groove 16 of the size of the cooperation groove 11 of the size of the cooperation groove 11 of the size.

In the utility model, the upper main ring 1 is matched with the lower main ring 2, the matching block 10 is matched with the matching groove 17, so that the matching block 10 slides along the side wall of the matching groove 17, in the sliding process of the matching block 10, the clamping block 16 is firstly extruded, the clamping block 16 moves towards the direction far away from the matching block 10 under the extrusion, when the matching block 10 moves to the position of the clamping groove 11 and corresponds to the position of the clamping block 16, the clamping block 16 enters the clamping groove 11 under the action of the spring 13 to be matched with the clamping groove 11, so that the upper main ring 1 and the lower main ring 2 can complete the rapid installation, the position of the clamping plate 5 is adjusted according to the size of a crankshaft, the rotating disc 9 is rotated, so that the rotating disc 9 drives the threaded rod 8 to rotate, the clamping plate 8 drives the clamping plate 5 to move through the connecting frame 6 when rotating, therefore, crankshafts with different sizes can be clamped, and the application range of the device is enlarged.

When the device needs to be disassembled, only the pull ring 15 needs to be pulled to separate the clamping block 16 from the clamping groove 11, so that the operation is convenient, and the operation is easy for people.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a crankshaft prevents bumping dynamic balance device, includes main ring (1) and lower main ring (2), its characterized in that, it has two first fixed plates (3) with lower main ring (2) for the semi-ring structure of mutually supporting to go up main ring (1), the lateral wall symmetrical welding of going up main ring (1) has two second fixed plates (4), the equal symmetrical sliding connection of lateral wall of going up main ring (1) and lower main ring (2) has two splint (5), two splint (5) have link (6) in the common welding, go up main ring (1) and lower main ring (2) and all run through and seted up sliding tray (7), sliding tray (7) are connected with centre gripping size adjusting device, first fixed plate (3) are connected with easily matching device.

2. The crankshaft anti-collision balance device according to claim 1, wherein the clamping size adjusting device comprises two threaded rods (8), the two threaded rods (8) correspond to the two sliding grooves (7) respectively, the threaded rods (8) are rotatably connected with the groove walls of the corresponding sliding grooves (7), the threaded rods (8) penetrate through the groove walls of the sliding grooves (7) far away from one end of the clamping plate (5) and extend outwards to be welded with the rotating disc (9), the connecting frame (6) is slidably connected with the side walls of the sliding grooves (7), and the connecting frame (6) is in threaded connection with the threaded rods (8).

3. The crankshaft anti-collision balance device according to claim 2, wherein the easy matching device comprises two grooves (12), two grooves (12) are symmetrically arranged on the side wall of the first fixing plate (3), two springs (13) are welded on one side, away from the opening, of each groove (12), two pull plates (14) are welded together on the other ends of the springs (13), clamping blocks (16) are welded on the side wall of each pull plate (14), matching grooves (17) are formed in the bottom wall of the first fixing plate (3), the clamping blocks (16) penetrate through the side wall of the matching grooves (17) and extend out of the matching grooves (17), matching blocks (10) are welded on the top wall of the second fixing plate (4), and clamping grooves (11) are formed in the side wall of each matching block (10).

4. A crankshaft anti-collision dynamic balance device according to claim 3, characterized in that the size of the fitting block (10) is matched with the size of the fitting groove (17), and the size of the clamping block (16) is matched with the size of the clamping groove (11).

5. A crankshaft anti-collision balancing device according to claim 4, characterized in that, the bottom wall of the clamping block (16) is configured as a circular arc, and the side wall of the pulling plate (14) is glued with a pulling ring (15).

6. A crankshaft anti-collision balancing device according to claim 5, characterized in that the clamping plates (5) are glued with resilient pads (18) on their side walls, the clamping plates (5) being arranged in a ring-shaped configuration.