CN210003694U - coupler for hollow shaft type encoder - Google Patents

Abstract

The utility model discloses an shaft couplings for cavity axle type encoder, including the shaft coupling main part, the end cover, connecting axle and base, the shaft coupling main part is cylindrical structure, its diameter cooperatees with cavity axle type encoder, the end of shaft coupling main part has the flange, the flange end of shaft coupling main part passes through the connecting axle and links to each other with the base, pedestal mounting is at the output shaft position of the play of pedestal jib crane's play to rise the motor, the end cover is installed to the end that the flange was kept away from to the shaft coupling main part, the end cover is disc structure, and the diameter of end cover is greater than the diameter of shaft coupling main part, can overlap the encoder outside the shaft coupling main part, and the flange that holds through shaft coupling main part with the end cover of in addition with the encoder chucking, and the base of shaft coupling main part is.

Description

coupler for hollow shaft type encoder

Technical Field

The utility model belongs to engineering machine tool accessory field specifically is shaft couplings that are used for cavity axle type encoder.

Background

At present, many pedestal cranes are provided with encoders of output shaft type which are imported from abroad at the output shaft end of a lifting motor, the encoder body of the type is fixedly installed by adopting a rigid support, and a disc type elastic coupling is adopted to connect an encoder shaft and a motor driving shaft.

In addition, in the aspect of , when the encoder and the matched coupler are in failure, the encoder and the matched coupler are special in structure and poor in universality, cannot be replaced by other couplers, can only be bought or manufactured again abroad, are high in maintenance cost, and lead to long downtime and serious influence on production.

In the industry, people try to use a hollow shaft type encoder with strong domestic universality for a lifting motor of a pedestal crane, but the existing coupler cannot firmly combine the encoder to the lifting motor, so couplers capable of firmly connecting the hollow shaft type encoder with the lifting motor of the pedestal crane are urgently needed in the industry, the encoder is not deviated in the operation process, and the rotating speed is always equal to that of the motor .

SUMMERY OF THE UTILITY MODEL

The utility model discloses just to the defect that above-mentioned exists and provide shaft couplings that are used for hollow shaft type encoder the to-be-solved technical problem of the utility model is that the commonality of current shaft coupling is relatively poor, influences seat crane equipment's maintenance, and then influences production.

The technical scheme of the utility model be shaft couplings that are used for cavity axle type encoder, including the shaft coupling main part, the end cover, connecting axle and base the shaft coupling main part is cylindrical structure, its diameter cooperatees with cavity axle type encoder, the end of shaft coupling main part has the flange, the flange end of shaft coupling main part links to each other with the base through the connecting axle, the pedestal mounting is at the output shaft position of pedestal crane's play to rise the motor, the end cover is installed to the end that the flange was kept away from to the shaft coupling main part, the end cover is disc structure, and the diameter of end cover is greater than the diameter.

The coupler comprises fixing bolts, the coupler body is provided with concave holes, and the end cover is provided with through holes.

Specifically, the base is provided with a fixing through hole, and the base is fixed at the output shaft part of the lifting motor through a bolt penetrating through the fixing through hole.

Preferably, the side of the coupling body is provided with an key shaped to fit in a keyway of a hollow shaft type encoder.

The beneficial effects of the utility model are as follows.

1. The utility model discloses a shaft coupling is exclusively used in cavity axle type encoder, can overlap the encoder outside the shaft coupling main part to flange through shaft coupling main part end and the end cover of end in addition with the encoder chucking, and the base of shaft coupling main part is fixed on the output shaft position of rising the motor, consequently, the utility model discloses a shaft coupling with cavity axle type encoder firmly with rise the motor and be connected.

2. The pressure to the end cover is increased by screwing the fixing bolt, so that the clamping force of the encoder sleeved on the coupler main body is increased, and the combination of the encoder and the coupler is firmer. Meanwhile, the end cover can be taken down by unscrewing the fixing bolt, and then the encoder is taken down, so that the encoder is convenient to mount and dismount.

3. The key on the side of the coupler body is matched with the key groove of the encoder, so that the lateral control performance of the coupler to the encoder can be enhanced, and the risk of stalling caused by relative sliding between the encoder and the coupler body when the motor rotates at a high speed is reduced.

Drawings

Fig. 1 is a schematic structural diagram of couplers for a hollow shaft encoder according to the present invention.

Fig. 2 is a schematic view of the coupler according to the present invention viewed from the direction of the end cap.

In the figure, 1, a coupler main body, 2, an end cover, 3, a fixing bolt, 4, a connecting shaft, 5, a base, 6, a fixing through hole and 7, keys are arranged.

Detailed Description

For better understanding of the present invention, the following detailed description is given to the technical solutions of the present invention, but the present invention is not limited thereto.

Examples

The embodiment provides couplers for hollow shaft encoders, wherein the hollow shaft encoders are transition edge encoders HLE45-1024L-6LY.AC, the couplers comprise coupler bodies 1, end covers 2, connecting shafts 4 and bases 5, the coupler bodies 1 are cylindrical structures, the diameters of the coupler bodies are matched with those of the hollow shaft encoders, flanges are arranged at ends of the coupler bodies 1, the flange ends of the coupler bodies 1 are connected with the bases 5 through the connecting shafts 4, the bases 5 are installed at output shafts of lifting motors of pedestal cranes, end covers 2 are installed at ends, far away from the flanges, of the coupler bodies 1, the end covers 2 are disc-shaped structures, and the diameters of the end covers 2 are larger than those of the coupler bodies 1.

The coupler further comprises a fixing bolt 3, a concave hole matched with the fixing bolt 3 is formed in the central position of the end face, far away from the end of the flange, of the coupler main body 1, an internal thread matched with the thread of the fixing bolt 3 is formed in the inner wall of the concave hole, a through hole matched with the fixing bolt 3 is formed in the central position of the end cover 2, the diameter of the through hole is smaller than the diameter of a nut of the fixing bolt 3, the fixing bolt 3 penetrates through the through hole of the end cover 2 and is screwed into the concave hole, and the end cover 2 is fixed on the coupler.

In addition, the base 5 is provided with a fixing through hole 6, and the base 5 is fixed at the output shaft part of the lifting motor by passing a bolt through the fixing through hole 6.

In addition, keys 7 are arranged on the side surface of the coupler main body 1, and the shape of the keys 7 is matched with the key groove of the hollow shaft type encoder, so that the combination of the encoder and the coupler is firmer.

The hollow shaft type encoder has good universality and stable operation, and can greatly save the maintenance cost expenditure. The hollow shaft type encoder is the utility model provides an installation mode is, and the direct cover of encoder body is on the shaft coupling main part 1 that is connected with motor output shaft, and the encoder shell passes through the spring leaf to be fixed with the motor, reuse locking ring locking shaft coupling. The locking mode and the spring piece structure can conveniently adjust the position of the encoder, absorb the vibration and impact caused by the load, reduce the resonance of the motor and ensure the safe and reliable operation.

Use the utility model discloses a cost can be practiced thrift to the shaft coupling, the commonality of reinforcing domestic cavity axle type encoder in the seat crane of different producers, this shaft coupling adopts nested mode installation with the encoder, conveniently adjusts the position of encoder, and can absorb the vibration and the impact that the load brought, reduces the resonance of motor, guarantees its operation safe and reliable.

The above embodiments of the present invention are only preferred embodiments, and do not limit the scope of the present invention. Those skilled in the art can appreciate the spirit of the present invention from the above-described embodiments and make various modifications and changes. All such modifications and variations are within the scope of the invention without departing from the spirit thereof.

Claims (6)

1, A coupler for a hollow shaft type encoder, characterized by comprising a coupler body (1), an end cover (2), a connecting shaft (4) and a base (5), wherein,

the coupler main body (1) is of an cylindrical structure, and the diameter of the coupler main body is matched with that of the hollow shaft type encoder;

the end of the coupler main body (1) is provided with a flange, the flange end of the coupler main body (1) is connected with a base (5) through a connecting shaft (4), and the base (5) is arranged at the output shaft part of a lifting motor of the seat type crane;

an end cover (2) is installed at the end, far away from the flange, of the coupler main body (1), the end cover (2) is of a disc-shaped structure, and the diameter of the end cover (2) is larger than that of the coupler main body (1).

2. The coupling for the hollow shaft type encoder according to claim 1, characterized in that the coupling further comprises a fixing bolt (3), the end of the coupling body (1) far from the flange has a concave hole matched with the fixing bolt (3), the end cover (2) has a through hole matched with the fixing bolt (3), the diameter of the through hole is smaller than the nut diameter of the fixing bolt (3), the fixing bolt (3) passes through the through hole of the end cover (2) and is screwed into the concave hole, and the end cover (2) is fixed on the coupling body (1).

3. The coupling for a hollow shaft type encoder according to claim 2, characterized in that the coupling comprises fixing bolts (3), the coupling body (1) has female holes, and the end cap (2) has through holes.

4. A coupling for a hollow shaft type encoder according to claim 3, characterized in that the recess hole is located at the center of the end surface of the coupling body (1), and the through hole is located at the center of the end cap (2).

5. A coupling for a hollow shaft encoder according to any of claims 1 to 4 wherein the base (5) has fixing through holes (6) and the base (5) is fixed to the output shaft of the hoisting motor by bolts passing through the fixing through holes (6).

6. Coupling for a hollow shaft encoder according to claim 5, characterized in that the coupling body (1) is provided with keys (7) on its side, which keys (7) are shaped to fit in the keyways of the hollow shaft encoder.

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