CN212672263U

CN212672263U - Spline coupler for crane

Info

Publication number: CN212672263U
Application number: CN202120331410.XU
Authority: CN
Inventors: 葛继廷; 王海龙
Original assignee: Henan Zhongyuan Heavy Industry Equipment Co ltd
Current assignee: Henan Zhongyuan Heavy Industry Equipment Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-03-09
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a spline shaft coupling for a crane, which comprises a spline shaft, wherein the outer side end of the spline shaft is provided with at least three groups of connecting blocks, and one end of the spline shaft is connected with a shaft coupling component; the shaft coupling subassembly includes left butt joint groove, right butt joint groove, left butt joint tooth's socket, right butt joint tooth's socket, coupling body and fixed subassembly, and left butt joint groove has been seted up to the one end of coupling body, and right butt joint groove has been seted up to the other end of coupling body, has seted up left butt joint tooth's socket on the left butt joint inslot wall, has seted up right butt joint tooth's socket on the right butt joint inslot wall. The utility model relates to a spline shaft coupling for hoist improves the stability of shaft coupling, but the spline of being convenient for docks, and the oblique shape butt joint groove is used for not unidimensional spline to carry out the shaft coupling, improves holistic suitability, increases the convenience of shaft coupling, effectively fills the vacancy, increases the stability of installation, prevents that the integral key shaft from warping, and the equipment of being convenient for, and practical convenient improves the stability behind the shaft coupling, guarantees its life.

Description

Spline coupler for crane

Technical Field

The utility model relates to a spline coupling technical field of hoist specifically is a spline shaft coupling for hoist.

Background

The coupling is used for coupling two shafts (a driving shaft and a driven shaft) in different mechanisms to rotate together so as to transmit mechanical parts of torque. The specification of the rotating shaft of the motor is fixed and is different from the specification of the connecting shaft of the spline to be processed, the diameter length of the spline connecting shaft is different for different splines, and the size of the rotating shaft of the motor is not too long, so that the rotating shaft of the motor is connected with the connecting shaft of the spline to be processed by a coupler to effectively transfer the rotating motion performance. At present, a coupling is mostly fixed on a connecting shaft of a spline to be processed by using a bolt, and the connecting shaft is locally stressed, has small contact area and is easy to damage the spline connecting shaft by adopting a bolt fixing method.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spline shaft coupling for hoist improves the stability of shaft coupling, but the spline of being convenient for docks, and the oblique butt joint groove is used for not unidimensional spline to carry out the shaft coupling, improves holistic suitability, increases the convenience of shaft coupling, effectively fills the vacancy, increases the stability of installation, prevents that the integral key shaft from warping, and is convenient for assemble, and practical convenient improves the stability behind the shaft coupling, guarantees its life, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the spline coupler for the crane comprises a spline shaft, wherein at least three groups of connecting blocks are arranged at the outer side end of the spline shaft, and one end of the spline shaft is connected with a coupler assembly;

the coupling assembly comprises a left butt joint groove, a right butt joint groove, a left butt joint tooth groove, a right butt joint tooth groove, a coupling pipe body and a fixing assembly, wherein the left butt joint groove is formed in one end of the coupling pipe body, the right butt joint groove is formed in the other end of the coupling pipe body, the left butt joint tooth groove is formed in the inner wall of the left butt joint groove, the right butt joint tooth groove is formed in the inner wall of the right butt joint groove, and the spline shaft and the coupling pipe body are fixed through the fixing assembly;

the fixing assembly comprises a wedge body, an internal connection groove, an internal connection tooth groove, a fixing hole and a fastening bolt, the internal connection groove is formed in the wedge body, the internal connection tooth groove is formed in the inner wall of the internal connection groove, the fixing hole is formed in each of two side ends of the wedge body, and the fastening bolt is arranged in the fixing hole.

Preferably, the two ends of the coupling pipe body are respectively butted with the two groups of spline shafts through the left butt joint groove and the right butt joint groove.

Preferably, the number of the left butt joint tooth grooves and the right butt joint tooth grooves is matched with that of the connecting blocks, and the left butt joint tooth grooves and the right butt joint tooth grooves are connected with the connecting blocks in an inserting and combining mode.

Preferably, the left butt joint groove and the right butt joint groove are oblique grooves, and the openings of the left butt joint groove and the right butt joint groove are larger than the tail ends of the left butt joint groove and the right butt joint groove.

Preferably, the wedge block is arranged at a gap between the spline shaft and the shaft coupling pipe body, the wedge block is engaged with the inner end faces of the left butt joint groove and the right butt joint groove, and the inner tooth groove is in inserted connection with the connecting block.

Preferably, the two side ends of the coupling pipe body are provided with slotted holes corresponding to the fixing holes on the wedge blocks, and the wedge blocks, the coupling pipe body and the spline shaft are connected by fastening bolts.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a spline shaft coupling for hoist, coupling body both ends dock with two sets of integral key shafts through left butt joint groove and right butt joint groove respectively, the quantity and the connecting block phase-match of left side butt joint tooth's socket and right butt joint tooth's socket, and the bottom and the connecting block of left side butt joint tooth's socket and right butt joint tooth's socket are inserted and are connected, left side butt joint groove and right butt joint groove are the chute, and the opening of left side butt joint groove and right butt joint groove is greater than left butt joint groove and right butt joint groove tail end, carry out the shaft coupling through the shaft coupling subassembly to the spline of hoist, improve the stability of shaft coupling, but the spline of being convenient for docks, the oblique shape butt joint groove, the real not unidimensional spline carries out the shaft coupling, improve holistic.

2. The utility model relates to a spline shaft coupling for hoist, agree with the block outside and agree with for the interior terminal surface of oblique form and left butt joint groove and right butt joint groove and agree with, the internal tooth's socket is inserted with the connecting block and is connected, the both sides end of shaft coupling body set up with agree with the block on the corresponding slotted hole of fixed orifices, agree with the block, be connected by fastening bolt between shaft coupling body and the integral key shaft, through agreeing with the block body to fix between shaft coupling body and integral key shaft, effectively fill the vacancy, increase the stability of installation, prevent that the integral key shaft from warping, and be convenient for assemble, practicality is convenient, improve the stability behind the shaft coupling, guarantee its life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the overall structure of the present invention;

fig. 3 is a cross-sectional view of the coupling assembly structure of the present invention;

FIG. 4 is a sectional view of the fixing member of the present invention;

fig. 5 is a sectional view of the fixing member according to the present invention.

In the figure: 1. a spline shaft; 11. connecting blocks; 2. a coupling assembly; 21. a left docking bay; 22. a right docking bay; 23. a left butt joint tooth socket; 24. a right butt joint tooth socket; 25. a coupling tube body; 26. a fixing assembly; 261. a wedge block body; 262. an interconnecting slot; 263. inscribing a tooth socket; 264. a fixing hole; 265. and fastening the bolt.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a spline coupler for a crane includes a spline shaft 1, at least three connecting blocks 11 are disposed at an outer end of the spline shaft 1, one end of the spline shaft 1 is connected to a coupler assembly 2, the coupler assembly 2 includes a left butt groove 21, a right butt groove 22, a left butt tooth groove 23, a right butt tooth groove 24, a coupler tube 25 and a fixing assembly 26, one end of the coupler tube 25 is provided with the left butt groove 21, the other end of the coupler tube 25 is provided with the right butt groove 22, the inner wall of the left butt groove 21 is provided with the left butt tooth groove 23, the inner wall of the right butt groove 22 is provided with the right butt tooth groove 24, the spline shaft 1 and the coupler tube 25 are fixed by the fixing assembly 26, two ends of the coupler tube 25 are respectively butt-jointed with two spline shafts 1 through the left butt groove 21 and the right butt groove 22, the number of the left butt tooth groove 23 and the number of the right butt tooth, and the bottom that the tooth's socket 23 is docked on a left side and the right side docks the tooth's socket 24 is inserted with connecting block 11 and is closed and be connected, left side is docked groove 21 and right side and is docked groove 22 and be oblique groove, and the opening that left side is docked groove 21 and right side and is docked groove 22 tail end, carry out the shaft coupling through shaft coupling subassembly 2 to the spline of hoist, improve the stability of shaft coupling, but the spline of being convenient for docks, the oblique shape is docked the groove, it carries out the shaft coupling to be used for not unidimensional spline practically, improve holistic suitability, increase the convenience of shaft coupling.

Referring to fig. 4-5, the fixing assembly 26 includes a wedge 261, an inner groove 262, an inner tooth groove 263, a fixing hole 264 and a fastening bolt 265, the inner groove 262 is formed inside the wedge 261, the inner tooth groove 263 is formed on the inner wall of the inner groove 262, the fixing hole 264 is formed on both side ends of the wedge 261, the fastening bolt 265 is disposed in the fixing hole 264, the wedge 261 is disposed at a gap between the spline shaft 1 and the coupling pipe 25, the outer side of the wedge 261 is in an inclined shape and is engaged with the inner end surfaces of the left and right butt grooves 21 and 22, the inner tooth groove 263 is engaged with the connecting block 11, the both side ends of the coupling pipe 25 are formed with a groove hole corresponding to the fixing hole 264 formed on the wedge 261, the coupling pipe 25 and the spline shaft 1 are connected by the fastening bolt 265, the wedge 261 is fixed between the coupling pipe 25 and the spline shaft 1, thereby effectively filling up the gap and increasing the installation stability, prevent integral key shaft 1 and warp, and be convenient for assemble, it is practical convenient, improve the stability behind the shaft coupling, guarantee its life.

In summary, the following steps: the utility model discloses a spline shaft coupling for hoist, coupling body 25 both ends are butted through left butt joint groove 21 and right butt joint groove 22 and two sets of integral key shaft 1 respectively, the quantity of left butt joint tooth's socket 23 and right butt joint tooth's socket 24 matches with connecting block 11, and the bottom of left butt joint tooth's socket 23 and right butt joint tooth's socket 24 is inserted with connecting block 11 and is connected, left butt joint groove 21 and right butt joint groove 22 are oblique groove, and the opening of left butt joint groove 21 and right butt joint groove 22 is greater than left butt joint groove 21 and right butt joint groove 22 tail end, carry out the shaft coupling to the spline of hoist through shaft coupling subassembly 2, improve the stability of shaft coupling, but the spline is docked conveniently, oblique butt joint groove, the practical interior end shaft coupling that is used for the spline of different sizes, improve holistic suitability, increase the convenience of shaft coupling, agree with the block body 261 outside for oblique form and left butt joint groove 21 and right butt joint groove 22 face agree with, inscription tooth's socket 263 is connected with 11 interpolation of connecting block, the both sides end of coupling body 25 set up with agree with the block 261 on the corresponding slotted hole of fixed orifices 264, agree with the block 261, connect by fastening bolt 265 between coupling body 25 and the integral key shaft 1, fix between coupling body 25 and integral key shaft 1 through agreeing with the block 261, effectively fill the vacancy, increase the stability of installation, prevent that integral key shaft 1 from warping, and be convenient for assemble, and is practical convenient, improve the stability behind the coupling, guarantee its life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A spline coupling for cranes, comprising a spline shaft (1), characterized in that: at least three groups of connecting blocks (11) are arranged at the outer side end of the spline shaft (1), and one end of the spline shaft (1) is connected with the coupler assembly (2); the coupler assembly (2) comprises a left butt joint groove (21), a right butt joint groove (22), a left butt joint tooth groove (23), a right butt joint tooth groove (24), a coupling pipe body (25) and a fixing assembly (26), wherein the left butt joint groove (21) is formed in one end of the coupling pipe body (25), the right butt joint groove (22) is formed in the other end of the coupling pipe body (25), the left butt joint tooth groove (23) is formed in the inner wall of the left butt joint groove (21), the right butt joint tooth groove (24) is formed in the inner wall of the right butt joint groove (22), and the spline shaft (1) and the coupling pipe body (25) are fixed through the fixing assembly (26); fixed subassembly (26) including contract block body (261), inscription groove (262), inscription tooth's socket (263), fixed orifices (264) and fastening bolt (265), inscription groove (262) have been seted up to the inside of contract block body (261), inscription tooth's socket (263) have been seted up on the inner wall of inscription groove (262), and fixed orifices (264) have been seted up to contract block body (261) both sides end, set up fastening bolt (265) in fixed orifices (264).

2. A spline coupling for a crane according to claim 1, wherein: two ends of the coupling pipe body (25) are respectively butted with the two groups of spline shafts (1) through a left butt joint groove (21) and a right butt joint groove (22).

3. A spline coupling for a crane according to claim 1, wherein: the number of the left butt joint tooth grooves (23) and the right butt joint tooth grooves (24) is matched with that of the connecting block (11), and the left butt joint tooth grooves (23) and the right butt joint tooth grooves (24) are connected with the connecting block (11) in an inserting and combining mode.

4. A spline coupling for a crane according to claim 1, wherein: the left butt joint groove (21) and the right butt joint groove (22) are oblique grooves, and the openings of the left butt joint groove (21) and the right butt joint groove (22) are larger than the tail ends of the left butt joint groove (21) and the right butt joint groove (22).

5. A spline coupling for a crane according to claim 1, wherein: the wedge block (261) is arranged at a gap between the spline shaft (1) and the coupling pipe body (25), the wedge block (261) is engaged with the inner end faces of the left butt joint groove (21) and the right butt joint groove (22), and the inner tooth grooves (263) are connected with the connecting block (11) in an inserting manner.

6. A spline coupling for a crane according to claim 1, wherein: slotted holes corresponding to the fixing holes (264) in the wedge blocks (261) are formed in the two side ends of the coupling pipe body (25), and the wedge blocks (261), the coupling pipe body (25) and the spline shaft (1) are connected through fastening bolts (265).