Balancing structure for machining crankshaft of vehicle-mounted air compressor

Abstract

The utility model relates to the technical field of crankshaft machining, in particular to a balance structure for machining a crankshaft of a vehicle-mounted air compressor, which comprises a crank wall and a rotary drum, one end of the crank wall is connected with a first connecting shaft or a second connecting shaft through an abutting ring, and the first connecting shaft and the second connecting shaft are both connected with flange plates. The surface of the flange plate is fixedly connected with a fixing block or provided with an inserting groove, and a fixing column is connected into the inserting groove through a spring. The crankshaft has the advantages that the first connecting shaft and the second connecting shaft are fixed through the flange plates and the screws, meanwhile, the fixing blocks on the surfaces of the flange plates can be fixed by the fixing columns in the other flange plate, at the moment, the crankshaft can continue to be fixed under the action of the fixing blocks commemorative that the screws are loosened due to long-term use, and therefore the crankshaft is prevented from being damaged. Therefore, the connection between the crankshafts is not disconnected, and the work is continued.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crankshaft machining technical field, concretely is a kind of balance structure for vehicle-mounted air compressor crankshaft machining. BACKGROUND

[0002] Crankshaft is the most important component in engine. It bears the force from connecting rod, and converts it into torque to drive other accessories on engine. Crankshaft is subjected to centrifugal force of rotating mass, periodically changing gas inertia force and reciprocating inertia force, so that it bears bending and torsional load. Therefore, crankshaft is required to have sufficient strength and stiffness, and shaft neck surface needs to be wear-resistant, uniform in operation and good in balance.

[0003] The existing crankshaft balance structure is mostly open structure, and only uses screw flange plate and screw to connect crankshafts with other crankshaft bodies. However, in the working process, mechanical vibration exists, which easily leads to screw loosening. In addition, due to the alternating thermal expansion and cold shrinkage, the screw will also fall off. Once the screw falls off, the connection between crankshafts will be disconnected, which leads to the inability to continue working. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a balance structure for vehicle-mounted air compressor crankshaft machining to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a balance structure for vehicle-mounted air compressor crankshaft machining, comprising: a crank wall and a rotating drum, one end of the crank wall is connected with connecting shaft one or connecting shaft two through an abutment ring, connecting shaft one and connecting shaft two are both connected with a flange plate, the surface of the flange plate is fixedly connected with a fixed block or is provided with a slot, and a fixed column is connected in the slot through a spring.

[0006] Preferably, the crank wall is provided with two, and the same end of the two crank walls is detachably connected with the same connecting rod, the surface of the connecting rod is rotatably connected with a counterweight, the lower end of a fixed bolt is threadedly connected on the surface of the connecting rod, the upper end of the fixed bolt penetrates through the counterweight and is threadedly connected with the counterweight, and the two ends of the counterweight are respectively in contact with one side of the two crank walls.

[0007] Preferably, one end of the connecting shaft one is fixedly connected with an abutment ring, the other end of the connecting shaft one is fixedly connected with a flange plate, one end of the flange plate is fixedly connected with a plurality of fixed blocks, and a limiting hole is formed in the surface of the fixed block.

[0008] Preferably, one end of the connecting shaft two is fixedly connected with an abutment ring, the other end is fixedly connected with a flange plate, a plurality of slots are formed in the other end of the flange plate, the surface of the rotating drum is rotatably connected with the inner wall of the flange plate, and the inner wall of the rotating drum is rotatably connected with the surface of the connecting shaft two.

[0009] Preferably, the surface of the rotating drum is fixedly connected with a plurality of protrusions, one side of the protrusion is fixedly connected with a spring, the other end of the spring is fixedly connected with a fixed column, and the fixed column is in sliding connection with the inner wall of the insertion slot.

[0010] Preferably, the abutting ring is in rotational connection with the inner ring surface of the crank wall, the number of the insertion slot, the protrusion and the fixed block is consistent, and the surface of the first connecting shaft and the second connecting shaft is provided with a penetrating positioning through hole.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: the first connecting shaft and the second connecting shaft are fixed through the flange plate and the screw, meanwhile, the fixed block on the surface of the flange plate is fixed by the fixed column in another flange plate, at this time, the crankshaft is continuously fixed under the action of the fixed block due to the loosening of the screw caused by long-term use, so that the connection between the crankshafts will not be disconnected, thereby continuing to work. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall three-dimensional schematic view of the utility model structure;

[0013] Figure 2 It is the overall bottom view schematic view of the utility model structure;

[0014] Figure 3 It is the schematic view of the utility model structure counterweight block on the side of the connecting rod;

[0015] Figure 4 It is the sectional view schematic view of the utility model structure flange plate.

[0016] In the drawing: 1, flange plate; 2, first connecting shaft; 3, second connecting shaft; 4, fixed block; 5, limiting hole; 6, positioning through hole; 7, crank wall; 8, counterweight block; 9, connecting rod; 10, fixed bolt; 11, rotating drum; 12, protrusion; 13, spring; 14, fixed column; 15, insertion slot; 16, abutting ring. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme of the utility model to be described clearly and completely, and the advantages are clearer and more apparent, the following will be further described in detail by combining with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all the embodiments, only to explain the embodiments of the utility model, and not to limit the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model protection.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of balance structure for vehicle-mounted air compressor crankshaft processing, it include: crank wall 7 and rotary drum 11, two of crank wall 7 are equipped, two crank wall 7 symmetrical installation, so that whole can keep balance when operating, the same end of two crank wall 7 is detachably connected with same connecting rod 9, it is convenient to install counterweight 8 by connecting rod 9, counterweight 8 is rotatably connected on the surface of connecting rod 9, the balance of whole is adjusted by counterweight 8, the lower end of fixed bolt 10 is screw-connected on the surface of connecting rod 9, the upper end of fixed bolt 10 passes through counterweight 8 and is screw-connected with counterweight 8, the position of counterweight 8 can be fixed by fixed bolt 10, avoid deviation, the two ends of counterweight 8 are in contact with the side of two crank wall 7 respectively.

[0019] One end of connecting shaft one 2 is fixedly connected with abutment ring 16, the diameter of abutment ring 16 is greater than connecting shaft one 2, so that the connection of connecting shaft one 2 and crank wall 7 is more firm, and simultaneously plays a limiting role, the other end of connecting shaft one 2 is fixedly connected with a flange plate 1, the device can be connected with other components through the flange plate 1, one end of flange plate 1 is fixedly connected with a plurality of fixed blocks 4, a limiting hole 5 is formed in the surface of fixed block 4, the size of limiting hole 5 is same with fixed column 14, one end of connecting shaft two 3 is fixedly connected with abutment ring 16, and the other end is fixedly connected with flange plate 1, and the flange plate 1 of another device is connected with the flange plate 1, a plurality of insertion slots 15 are formed in the other end of flange plate 1, the surface of rotary drum 11 is rotatably connected with the inner wall of flange plate 1, the state of fixed column 14 is conveniently controlled through rotary drum 11, and the inner wall of rotary drum 11 is rotatably connected with the surface of connecting shaft two 3.

[0020] A plurality of convex blocks 12 are fixedly connected to the surface of rotary drum 11, the convex blocks 12 are located in the interior of flange plate 1, one side of convex block 12 is fixedly connected with spring 13, the reset of fixed column 14 is facilitated by spring 13, the other end of spring 13 is fixedly connected with fixed column 14, when rotary drum 11 drives spring 13 to move through convex block 12, spring 13 will drive fixed column 14 to start rotating and sliding, fixed column 14 is slidably connected with the inner wall of insertion slot 15, when fixed column 14 slides, fixed column 14 will be separated from insertion slot 15, abutment ring 16 is rotatably connected with the inner ring surface of crank wall 7, the number of insertion slot 15, convex block 12 and fixed block 4 is consistent, two flange plates 1 can be further fixed by insertion slot 15 and fixed column 14, the surface of connecting shaft one 2 and connecting shaft two 3 is provided with a through positioning through-hole 6, and the whole installation device is facilitated by positioning through-hole 6.

[0021] In actual use, the counterweight 8 with a proper weight is selected, then the counterweight 8 is installed on the surface of the connecting rod 9 and is fixed by the fixing bolt 10, a plurality of the devices are connected side by side, the flange plate 1 of the connecting shaft one 2 is close to the flange plate 1 of the connecting shaft two 3, in the process, the rotating drum 11 is rotated, the fixing column 14 is driven to slide by the spring 13, the fixing column 14 is separated from the inner wall of the insertion slot 15, the fixing block 4 is inserted into the insertion slot 15, after the insertion is completed, the rotating drum 11 is rotated, the fixing column 14 is inserted into the limiting hole 5 of the fixing block 4, the fixing block 4 is fixed by the fixing column 14, the two flange plates 1 are connected, then the two flange plates 1 are further fixed by the screw, the connection and balance of the crankshaft are completed, the device is easy to install as a whole, when the screw is loosened accidentally, the fixing block 4 and the fixing column 14 can also continue to connect the whole, the situation that the connection is disconnected immediately is avoided, the safety of the whole is enhanced.

[0022] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A balancing structure for machining a crankshaft of a vehicle-mounted air compressor, characterized by: The balancing structure for the crankshaft machining of the vehicle-mounted air compressor comprises crank walls (7) and a rotating drum (11), one end of the crank wall (7) is connected with a connecting shaft one (2) or a connecting shaft two (3) through an abutment ring (16), the connecting shaft one (2) and the connecting shaft two (3) are both connected with a flange plate (1), the surface of the flange plate (1) is fixedly connected with a fixed block (4) or is provided with a slot (15), and the slot (15) is connected with a fixed column (14) through a spring (13).

2. The balancing structure for the crankshaft machining of the vehicle-mounted air compressor machine according to claim 1, characterized in that: The crank wall (7) is provided with two, and the same end of the two crank walls (7) is detachably connected with the same connecting rod (9), the surface of the connecting rod (9) is rotatably connected with a counterweight (8), the surface of the connecting rod (9) is screwedly connected with the lower end of a fixing bolt (10), the upper end of the fixing bolt (10) penetrates through the counterweight (8) and is screwedly connected with the counterweight (8), and the two ends of the counterweight (8) are respectively in contact with one side of the two crank walls (7).

3. The balancing structure for the crankshaft machining of the air compressor for the vehicle as claimed in claim 2, wherein: One end of the connecting shaft one (2) is fixedly connected with the abutment ring (16), the other end of the connecting shaft one (2) is fixedly connected with the flange plate (1), and one end of the flange plate (1) is fixedly connected with a plurality of fixed blocks (4).

4. The balancing structure for the crankshaft machining of the air compressor of the vehicle as claimed in claim 3, wherein: One end of the connecting shaft two (3) is fixedly connected with the abutment ring (16), the other end is fixedly connected with the flange plate (1), the other end of the flange plate (1) is provided with a plurality of slots (15), the surface of the rotating drum (11) is rotatably connected with the inner wall of the flange plate (1), and the inner wall of the rotating drum (11) is rotatably connected with the surface of the connecting shaft two (3).

5. The balancing structure for machining the crankshaft of the air compressor for vehicle as claimed in claim 4, wherein: The surface of the rotating drum (11) is fixedly connected with a plurality of convex blocks (12), one side of the convex block (12) is fixedly connected with the spring (13), the other end of the spring (13) is fixedly connected with the fixed column (14), and the fixed column (14) is slidably connected with the inner wall of the slot (15).

6. The balancing structure for the crankshaft machining of the air compressor of the vehicle as claimed in claim 5, wherein: The abutment ring (16) is rotatably connected with the inner ring surface of the crank wall (7), the number of the slot (15), the convex block (12) and the fixed block (4) is consistent, and the surface of the connecting shaft one (2) and the connecting shaft two (3) is provided with a penetrating positioning through hole (6).

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