CN211059228U

CN211059228U - Coupling with low-speed transmission function

Info

Publication number: CN211059228U
Application number: CN201921937351.XU
Authority: CN
Inventors: 季成萍; 窦可平
Original assignee: Zhenjiang Junyang Electromechanical Manufacturing Co ltd
Current assignee: Zhenjiang Junyang Electromechanical Manufacturing Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-21
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a shaft coupling with low-speed transmission function, including shaft coupling seat and shaft coupling pole, the one end of shaft coupling seat is equipped with shaft coupling seat hole, the other end of shaft coupling seat is equipped with the connecting hole, the interior pore wall upper portion of connecting hole is even is equipped with a plurality of draw-in grooves, and the interior pore wall left and right sides symmetry of connecting hole is equipped with spacing hole, and the outer disc of shaft coupling pole is even is equipped with a plurality of card keys that cooperate with the draw-in groove; the utility model provides a shaft coupling pole inserts in the connecting hole, and in all card keys inserted the draw-in groove respectively, then release the lockhole to the lockpin through protruding control mechanism that stretches, and insert spacing downthehole to the firm lock of shaft coupling pole is in the connecting hole, guarantees the fastness of shaft coupling pole and shaft coupling seat connection, simultaneously because mutually supporting of card key and draw-in groove, can effectually guarantee that whole device can adapt to low-speed, frequency conversion, heavy load power and mechanical linkage, thereby guarantees driven stationarity.

Description

Coupling with low-speed transmission function

Technical Field

The utility model belongs to the technical field of the shaft coupling technique and specifically relates to a shaft coupling with low-speed drive function.

Background

The coupling is also called coupling. Mechanical parts for firmly coupling the driving shaft and the driven shaft in different mechanisms to rotate together and transmitting motion and torque. Sometimes also to couple the shaft with other parts (e.g. gears, pulleys, etc.). Usually, the two halves are combined and fastened to the two shaft ends by a key or a tight fit, and then the two halves are connected in a certain way. The coupling can compensate the offset (including axial offset, radial offset, angular offset or comprehensive offset) between two shafts caused by inaccurate manufacture and installation, deformation or thermal expansion in work and the like, and can alleviate impact and absorb vibration. Most of the commonly used couplings are standardized or standardized, and generally, only the type of the coupling needs to be correctly selected and the model and the size of the coupling need to be determined. If necessary, the vulnerable weak links can be checked and calculated for the load capacity; when the rotating speed is high, the centrifugal force of the outer edge and the deformation of the elastic element need to be checked, balance check is carried out, and the like.

At present, a coupler used for power and machinery is basically in a section fan-shaped plug-in type, a large-section fan-shaped hole of a coupler seat is plugged with a small-section fan-shaped body of a coupler rod, other forms are not limited by the fact that the plug-in type is far away from a shaft center hole and a column on the contact surface of the coupler seat and the coupler rod, and the length of the plug-in type is limited by torsion. With the rapid development of industrialization, the existing coupler cannot meet the requirements of low speed, variable frequency, heavy-load power and mechanical linkage.

Therefore, the utility model provides a shaft coupling with low-speed drive function, above-mentioned problem of solution that can be fine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaft coupling with low-speed drive function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a coupler with a low-speed transmission function comprises a coupler seat and a coupler rod, wherein one end of the coupler seat is provided with a coupler seat hole, one side end of the coupler seat hole is connected with a first bolt hole in a through mode, the other end of the coupler seat is provided with a connecting hole, a plurality of clamping grooves are uniformly arranged on the upper portion of the inner hole wall of the connecting hole, limiting holes are symmetrically arranged on the left side and the right side of the inner hole wall of the connecting hole, the coupler rod is of a hollow rod structure, the upper portion of one side end of the coupler rod is connected with a second bolt hole in a through mode, a plurality of clamping keys matched with the clamping grooves are uniformly arranged on the outer circular surface of the coupler rod, the clamping keys and the clamping grooves are in one-to-one correspondence relationship, locking holes matched with the limiting holes are symmetrically connected on the bottoms of the left side end and the right side end of the coupler rod in, the bottom of the inner cavity of the coupling rod is provided with a protruding control mechanism, the lock pin is arranged on the protruding control mechanism, when the coupling rod is used, the coupling rod is inserted into the connecting hole, all the clamping keys are respectively inserted into the clamping grooves, then the lock pin is pushed out of the lock hole through the protruding control mechanism and is inserted into the limiting hole, so that the coupling rod is firmly locked in the connecting hole, the firmness of connection between the coupling rod and the coupling seat is ensured, and meanwhile, due to the mutual matching of the clamping keys and the clamping grooves, the whole device can be effectively ensured to be suitable for low-speed, variable-frequency and heavy-load power and mechanical linkage, so that the transmission stability is ensured; during the separation, utilize protruding control mechanism of stretching earlier to take the lockpin out from spacing downthehole, can directly extract the shaft coupling pole from the connecting hole, it is very convenient to dismantle, and the later stage of being convenient for is dismantled the maintenance, promotes the convenience that whole device used by a wide margin.

In a further embodiment, the protruding control mechanism comprises a bogie which is in a rectangular frame structure, the bogie is fixedly arranged on the inner hole wall of the coupling rod, the left side end and the right side end of the bogie are symmetrically connected with through holes matched with the lock holes in a penetrating way, the outer side end of the through hole is fixedly connected with a spring, the other end of the spring is fixedly connected with a lock pin, the left side and the right side of the inner cavity of the bogie are symmetrically and rotatably connected with guide wheels matched with the through holes, the bottom of the inner cavity of the coupling rod is slidably connected with a lifting seat, a connecting rope is fixedly connected to the lock pin, the movable end of the connecting rope passes through the through hole and passes through the guide wheel and then is fixedly arranged at the bottom end of the lifting seat, the top end of the lifting seat is fixedly connected with a suspension loop, the lifting seat is pulled upwards through the hanging lug, so that the connecting wire rope is pulled, and the lock pin is pulled outwards through the connecting wire rope, so that the lock pin is separated from the limiting hole; meanwhile, the lifting seat is pressed downwards, the connecting wire rope is released, the spring is reset, the lock pin is pushed into the limiting hole by the spring, and then the lock pin is connected with the coupler seat, so that the coupler rod is locked into the connecting hole, and the stability of connection between the coupler rod and the coupler seat is ensured.

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

1. the utility model provides a shaft coupling pole inserts in the connecting hole, and all block keys insert in the draw-in groove respectively, then release the lockpin lockhole through protruding control mechanism that stretches, and insert in the spacing hole to the firm lock of shaft coupling pole is in the connecting hole, guarantees the fastness of shaft coupling pole and shaft coupling seat connection, simultaneously because the mutually supporting of block key and draw-in groove, can effectually guarantee that whole device can adapt to low-speed, frequency conversion, heavy load power and mechanical linkage, thereby guarantees driven stationarity;

2. when the coupling rod is separated from the coupling seat, the protruding stretching control mechanism is firstly utilized to draw the lock pin out of the limiting hole, so that the coupling rod can be directly pulled out of the connecting hole, the disassembly is very convenient, the later-stage disassembly and maintenance are convenient, and the convenience of the application of the whole device is greatly improved;

3. the lifting seat is pulled upwards through the hanging lug, so that the connecting wire rope is pulled, and the lock pin is pulled outwards through the connecting wire rope, so that the lock pin is separated from the limiting hole; meanwhile, the lifting seat is pressed downwards, the connecting wire rope is released, the spring is reset, the lock pin is pushed into the limiting hole by the spring, and then the lock pin is connected with the coupler seat, so that the coupler rod is locked into the connecting hole, and the stability of connection between the coupler rod and the coupler seat is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a coupling with a low-speed transmission function;

fig. 2 is a schematic perspective view of a coupling rod of a coupling with a low-speed transmission function;

fig. 3 is a schematic structural diagram of a projecting control mechanism of a coupling with a low-speed transmission function.

In the figure: 1-coupler seat, 2-coupler seat hole, 3-first bolt hole, 4-connecting hole, 5-clamping groove, 6-limiting hole, 7-coupler rod, 8-clamping key, 9-second bolt hole, 10-locking hole, 11-locking pin, 12-spring, 13-protruding control mechanism, 131-bogie, 132-through hole, 134-guide wheel, 135-connecting rope, 136-lifting seat and 137-lug.

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.

Example 1

Referring to fig. 1-2, a coupler with a low-speed transmission function comprises a coupler seat 1 and a coupler rod 7, wherein one end of the coupler seat 1 is provided with a coupler seat hole 2, one side end of the coupler seat hole 2 is connected with a first bolt hole 3 in a through manner, the other end of the coupler seat 1 is provided with a connecting hole 4, the upper part of the inner hole wall of the connecting hole 4 is uniformly provided with a plurality of clamping grooves 5, the left side and the right side of the inner hole wall of the connecting hole 4 are symmetrically provided with limiting holes 6, the coupler rod 7 is of a hollow rod structure, the upper part of one side end of the coupler rod 7 is connected with a second bolt hole 9 in a through manner, the outer circular surface of the coupler rod 7 is uniformly provided with a plurality of clamping keys 8 matched with the clamping grooves 5, the clamping keys 8 and the clamping grooves 5 are in a one-to-one correspondence relationship, the bottoms of the left side end, the axis of the lock hole 10 is superposed with the axis of the limiting hole 6, the lock pin 11 matched with the limiting hole 6 is slidably connected in the lock hole 10, the bottom of the inner cavity of the coupler rod 7 is provided with a protruding control mechanism 13, the lock pin 11 is arranged on the protruding control mechanism 13, when the coupler rod 7 is used, the coupler rod 7 is inserted into the connecting hole 4, all the clamping keys 8 are respectively inserted into the clamping grooves 5, then the lock pin 11 is pushed out of the lock hole 10 through the protruding control mechanism 13 and is inserted into the limiting hole 6, so that the coupler rod 7 is firmly locked in the connecting hole 4, the connection firmness of the coupler rod 7 and the coupler seat 1 is ensured, and meanwhile, due to the mutual matching of the clamping keys 8 and the clamping grooves 5, the whole device can be effectively ensured to be suitable for low-speed, variable-frequency and heavy-load power and mechanical linkage, and; during the separation, utilize protruding control mechanism 13 of stretching earlier to take lockpin 11 out from spacing downthehole 6, can directly extract shaft coupling pole 7 from connecting hole 4, it is very convenient to dismantle, and the later stage of being convenient for is dismantled the maintenance, promotes the convenience that whole device used by a wide margin.

Example 2

Referring to fig. 3, the difference from example 1 is: the protruding stretching control mechanism 13 comprises a bogie 131, the bogie 131 is a rectangular frame structure, the bogie 131 is fixedly installed on the inner hole wall of the coupler rod 7, the left side end and the right side end of the bogie 131 are symmetrically connected with through holes 132 matched with the lock holes 10 in a penetrating manner, the outer side end of each through hole 132 is fixedly connected with a spring 12, the other end of each spring 12 is fixedly connected with a lock pin 11, the left side and the right side of the inner cavity of the bogie 131 are symmetrically and rotatably connected with guide wheels 134 matched with the through holes 132, the bottom of the inner cavity of the coupler rod 7 is slidably connected with a lifting seat 136, a connecting rope 135 is fixedly connected onto the lock pin 11, the movable end of the connecting rope 135 penetrates through the through holes 132 and is fixedly installed at the bottom end of the lifting seat 136 through the guide wheels 134, the top end of the lifting seat 136 is fixedly connected with a hanging lug 137, the lifting seat 136 is pulled up, pulling the lock pin 11 by using the connecting wire rope 135 to enable the lock pin 11 to be separated from the limiting hole 6; simultaneously, the lifting seat 136 is pressed downwards, the connecting wire rope 135 is released, the spring 12 resets, the lock pin 11 is pushed into the limiting hole 6 by the spring 12, the lock pin 11 is connected with the coupling seat 1, the coupling rod 7 is locked into the connecting hole 4, and the connection stability of the coupling rod 7 and the coupling seat 1 is ensured.

Working principle of examples 1-2: when the coupling device is used, the coupling rod 7 is inserted into the connecting hole 4, all the clamping keys 8 are respectively inserted into the clamping grooves 5, then the lock pin 11 is pushed out of the lock hole 10 through the protruding stretching control mechanism 13 and is inserted into the limiting hole 6, so that the coupling rod 7 is firmly locked in the connecting hole 4, the connection firmness of the coupling rod 7 and the coupling seat 1 is ensured, and meanwhile, due to the mutual matching of the clamping keys 8 and the clamping grooves 5, the whole device can be effectively ensured to adapt to low-speed, variable-frequency and heavy-load power and mechanical linkage, so that the transmission stability is ensured; when the coupler is separated, the lock pin 11 is drawn out of the limiting hole 6 by the protruding control mechanism 13, so that the coupler rod 7 can be directly pulled out of the connecting hole 4, the disassembly is very convenient, the later-stage disassembly and maintenance are convenient, and the convenience of the application of the whole device is greatly improved; wherein, the lifting seat 136 is pulled upwards through the hanging lug 137, so as to pull the connecting wire rope 135, and the lockpin 11 is pulled outwards by the connecting wire rope 135, so that the lockpin 11 is separated from the limiting hole 6; simultaneously, the lifting seat 136 is pressed downwards, the connecting wire rope 135 is released, the spring 12 resets, the lock pin 11 is pushed into the limiting hole 6 by the spring 12, the lock pin 11 is connected with the coupling seat 1, the coupling rod 7 is locked into the connecting hole 4, and the connection stability of the coupling rod 7 and the coupling seat 1 is ensured.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A coupler with a low-speed transmission function comprises a coupler seat (1) and a coupler rod (7), and is characterized in that one end of the coupler seat (1) is provided with a coupler seat hole (2), one side end of the coupler seat hole (2) is connected with a first bolt hole (3) in a through mode, the other end of the coupler seat (1) is provided with a connecting hole (4), the upper portion of the inner hole wall of the connecting hole (4) is uniformly provided with a plurality of clamping grooves (5), the left side and the right side of the inner hole wall of the connecting hole (4) are symmetrically provided with limiting holes (6), the coupler rod (7) is of a hollow rod structure, the upper portion of one side end of the coupler rod (7) is connected with a second bolt hole (9) in a through mode, the outer circular surface of the coupler rod (7) is uniformly provided with a plurality of clamping keys (8) matched with the clamping grooves (5), the left side end and the right side end of the coupler rod (7) are, the lock hole (10) is connected with a lock pin (11) matched with the limiting hole (6) in a sliding mode, a protruding stretching control mechanism (13) is installed at the bottom of the inner cavity of the coupler rod (7), and the lock pin (11) is installed on the protruding stretching control mechanism (13).

2. A coupling with underdrive as claimed in claim 1, wherein the catch (8) and the catch groove (5) are in a one-to-one correspondence.

3. The coupling with the low-speed transmission function according to claim 1, wherein the axis of the lock hole (10) is coincident with the axis of the limiting hole (6).

4. A coupling with low-speed transmission function according to claim 1, the protruding control mechanism (13) comprises a bogie (131), the bogie (131) is fixedly arranged on the inner hole wall of the coupling rod (7), the left side end and the right side end of the bogie (131) are symmetrically connected with through holes (132) matched with the lock holes (10) in a penetrating way, the outer side end of the through hole (132) is fixedly connected with a spring (12), the other end of the spring (12) is fixedly connected with a lock pin (11), the left side and the right side of the inner cavity of the bogie (131) are symmetrically and rotatably connected with guide wheels (134) matched with the through holes (132), the bottom of the inner cavity of the coupling rod (7) is connected with a lifting seat (136) in a sliding way, a connecting rope (135) is fixedly connected to the lock pin (11), and the movable end of the connecting rope (135) penetrates through the through hole (132) and passes through the guide wheel (134) and then is fixedly installed at the bottom end of the lifting seat (136).

5. A coupling with underdrive according to claim 4, characterized in that said bogie (131) is of rectangular frame construction.

6. The coupling with the low-speed transmission function according to claim 4, characterized in that the top end of the lifting seat (136) is fixedly connected with a suspension loop (137).