CN210600114U

CN210600114U - Two-stage adjustable support of worm gear and worm reducer

Info

Publication number: CN210600114U
Application number: CN201920808612.1U
Authority: CN
Inventors: 肖永涛
Original assignee: Chengdu Linike Medical Co ltd
Current assignee: Chengdu Linike Medical Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-05-22
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to an adjustable support of turbine worm reduction gear two-stage, including turbine worm reduction gear, reduction gear mounting bar and mounting plate, turbine worm reduction gear is provided with the mounting hole, the reduction gear mounting bar is provided with one-level regulation elongated hole, the mounting hole with one-level regulation elongated hole passes through the bolt and is connected with the ladder nut, the reduction gear mounting bar passes through hexagon socket head cap screw assembly with mounting plate and is connected, mounting plate is provided with the second grade adjustment tank. The utility model discloses a two-stage adjustable mechanism for relative position on turbine worm reduction gear's installation position is adjustable and mounting plate and the fixed plate is adjustable. Therefore, two-stage adjustable variables are achieved, the tension degree of the driving chain wheel and the roller chain is greatly guaranteed, and the normal work of the chain wheel is guaranteed. The material of the mounting bottom plate is also reduced, and the material cost is saved.

Description

Two-stage adjustable support of worm gear and worm reducer

Technical Field

The utility model relates to a reduction gear chain and sprocket drive technical field, concretely relates to adjustable support of turbine worm reduction gear two-stage.

Background

At present, the reduction gear serves to match the rotational speed and the transmission torque between the prime mover and the working machine or the actuator, and is used in modern machines in a very wide range. A worm-gear speed reducer is a power transmission mechanism, which uses a speed converter of a gear to reduce the revolution number of a motor to a required revolution number and obtain a large torque.

The normal chain wheel can be in a loose state during forward and reverse driving, so that when the motor drives the chain wheel at the output end of the speed reducer to rotate, the chain is tensioned to drive the driven wheel to rotate. But the chain has slack when the chain rotates reversely after stopping, namely the tension is low.

In order to ensure that the chain wheel drives the chain to be in a tensioning state in forward and reverse rotation. Therefore, an adjustable support is designed at the bottom end of the speed reducer to prevent the reverse rotation from loosening. The prior art has a one-level adjustable support, but the adjustable range displacement has great limitation, and the tensity of a chain wheel cannot be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: chain that appears when to above-mentioned sprocket antiport is lax, and the rate of tension is low promptly, and one-level adjustable range displacement volume has the problem of limitation, the utility model provides an adjustable support of turbine worm reduction gear two-stage.

The utility model adopts the technical scheme as follows:

the utility model provides an adjustable support of turbine worm reduction gear two-stage, includes turbine worm reduction gear, reduction gear mounting bar and mounting plate, and turbine worm reduction gear is provided with the mounting hole, and the reduction gear mounting bar is provided with one-level regulation elongated hole, the mounting hole with the one-level is adjusted elongated hole and is passed through hexagon screw assembly and step nut and be connected, the reduction gear mounting bar passes through hexagon socket head cap screw assembly with mounting plate and is connected, mounting plate is provided with the second grade adjustment tank.

Furthermore, a driving motor is fixedly installed at the input end of the worm gear and worm reducer, a driving chain wheel is connected to the output end of the worm gear and worm reducer, a roller chain is sleeved on the driving chain wheel, and the driving chain wheel is connected with a driven chain wheel through the roller chain.

Further, a stepped nut is slidably disposed within the primary adjustment elongated bore.

Further, the upper stage of the stepped nut is 0.5mm narrower than the first-stage adjusting elongated hole.

Further, the height of the upper stage in the locking state of the stepped nut is 1mm lower than the upper surface of the speed reducer mounting bar.

Further, the mounting bottom plate is fixedly mounted through the secondary adjusting groove.

Further, the hexagonal screw assembly comprises a hexagonal screw, a spring washer and a flat washer.

Further, the socket head cap screw assembly comprises a socket head cap screw, a spring washer and a flat washer.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model is provided with a two-stage adjustable mechanism, so that the mounting position of the worm gear reducer can be adjusted and the relative positions of the mounting bottom plate and the fixing plate can be adjusted, thereby achieving two-stage adjustable variables, greatly ensuring the tension degree of the driving chain wheel and the roller chain and ensuring the normal work of the chain wheel;

2. the utility model has simple structure, saves material cost, realizes primary adjustment by stirring the stepped nut movably arranged in the primary adjustment long hole, and realizes secondary adjustment by movably installing the secondary adjustment groove fixedly arranged on the installation bottom plate;

3. the utility model discloses the objective position change can be realized to turbine worm reduction gear mounted position, makes things convenient for reduction gear mechanism's installation.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic view of the mounting baseplate and the retarder mounting bar;

FIG. 3 is a top view of the stepped nut;

FIG. 4 is a cross-sectional view A-A' of the stepped nut;

labeled as: 1-driving motor, 2-worm gear reducer, 4-mounting bottom plate, 5-reducer mounting bar, 6-stepped nut, 8-driving chain wheel, 9-roller chain, 10-driven chain wheel and 11-secondary adjusting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The present invention will be described in detail with reference to fig. 1 and 2.

Examples

The embodiment of the utility model provides an adjustable support of turbine worm reduction gear two-stage, including turbine worm reduction gear 2, reduction gear mounting bar 5 and mounting plate 4, turbine worm reduction gear 2 is provided with the mounting hole, and reduction gear mounting bar 5 is provided with one-level regulation elongated hole, and the mounting hole is connected through hexagon head screw assembly and stepped nut 6 with one-level regulation elongated hole, and reduction gear mounting bar 5 is connected through interior hexagonal cylinder head screw assembly with mounting plate 4, and mounting plate 4 is provided with second grade adjustment tank 11.

The input end of the worm gear reducer 2 is fixedly provided with a driving motor 1, the output end of the worm gear reducer 2 is connected with a driving chain wheel 8, a roller chain 9 is sleeved on the driving chain wheel 8, and the driving chain wheel is connected with a driven chain wheel 10 through the roller chain 9.

When the driving motor 1 drives the driving chain wheel 8 on the output shaft of the worm gear reducer 2 to rotate clockwise, the roller chain 9 is tensioned clockwise and the lower end of the chain is loosened, and when the driving motor 1 drives the driving chain wheel 8 on the output shaft of the worm gear reducer 2 to rotate anticlockwise, the chain loosening stroke is generated to form a certain amount of idle stroke. It is therefore necessary to adjust the tension between the drive sprocket 8 and the roller chain 9. The worm gear reducer 2 needs to move towards the tensioning direction of the roller chain 9 to ensure the tension degree of the roller chain 9, and the movement amount of the primary adjusting elongated hole is limited, so that the secondary adjusting groove 11 is additionally arranged, the adjustable movement amount is greatly increased, and the tension degree of the chain wheel is ensured.

When the utility model is used, the stepped nut 6 is firstly placed in the primary adjusting long hole of the speed reducer mounting bar 5, then the speed reducer mounting bar 5 is fixed on the mounting bottom plate 4 through the inner hexagonal cylindrical head screw assembly, and whether the stepped nut 6 can slide in the groove is checked; the worm gear reducer 2 is arranged on the reducer mounting bar 5, and the stepped nut 6 is shifted to be aligned with the mounting hole of the worm gear reducer 2; and then secured but not tightened by the hexagonal-head screw assembly, at which time the stepped nut is first slid to the end located at the smallest distance from the driven sprocket 10 and then tightened.

The mounted worm gear reducer 2 and the mounting bottom plate 4 are placed at positions needing to be placed, a secondary adjusting groove 11 is mounted, and when the roller chain 9 is not tensioned when the secondary adjusting groove 11 moves to the maximum displacement, a primary adjusting elongated hole is adjusted; and loosening the hexagonal screw assembly, moving the worm gear and worm reducer 2 to drive the stepped nut 6 to slide in the primary adjusting elongated hole until the upper part and the lower part of the roller chain 9 are tensioned, and locking the hexagonal screw assembly.

The stepped nut 6 is slidably arranged in the primary adjusting long hole; the first-stage adjustment is realized by shifting the stepped nut 6.

Wherein, the upper stage of the stepped nut 6 is 0.5mm narrower than the first-stage regulation elongated hole; the height of the upper stage in the locking state of the stepped nut 6 is 1mm lower than the upper surface of the speed reducer mounting bar 5; the worm gear reducer 2 and the stepped nut 6 can slide and lock.

Wherein, the mounting bottom plate 4 is fixedly mounted through the secondary regulating groove 11; the secondary regulation is realized by the secondary regulation groove 11.

The hexagonal screw assembly comprises a hexagonal screw, a spring washer and a flat washer; 4 pieces of M12 hexagonal head screws, elastic pads and flat pads are selected.

The inner hexagonal socket head cap screw assembly comprises an inner hexagonal socket head cap screw, a spring washer and a flat washer; an M12 socket head cap screw, an elastic pad and a flat pad are selected.

The foregoing is a primary feature of the present solution and its advantages, and it should be understood by those skilled in the art that the present solution is not limited by the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present solution, and that various changes and modifications may be made therein without departing from the spirit and scope of the present solution, which fall within the scope of the appended claims and their equivalents.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a releasable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through an intermediary profile, or both. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims

1. The utility model provides a turbine worm reduction gear two-stage adjustable support which characterized in that: including turbine worm reduction gear (2), reduction gear mounting bar (5) and mounting plate (4), turbine worm reduction gear (2) are provided with the mounting hole, reduction gear mounting bar (5) are provided with one-level regulation elongated hole, the mounting hole with one-level regulation elongated hole passes through hexagonal head screw assembly and stepped nut (6) and is connected, reduction gear mounting bar (5) are connected through interior hexagonal cylinder head screw assembly with mounting plate (4), mounting plate (4) are provided with second grade adjustment tank (11).

2. The two-stage adjustable mount of a worm gear and worm reduction gear as set forth in claim 1, wherein: the worm gear reducer is characterized in that a driving motor (1) is fixedly mounted at the input end of the worm gear reducer (2), the output end of the worm gear reducer (2) is connected with a driving chain wheel (8), a roller chain (9) is sleeved on the driving chain wheel (8), and the roller chain (9) is connected with a driven chain wheel (10).

3. The two-stage adjustable mount of a worm gear and worm reduction gear as set forth in claim 1, wherein: the stepped nut (6) is arranged in the primary adjusting long hole in a sliding mode.

4. The two-stage adjustable mount of a worm gear and worm reduction gear as set forth in claim 1, wherein: the upper stage of the stepped nut (6) is 0.5mm narrower than the first-stage adjusting elongated hole.

5. The two-stage adjustable mount of a worm gear and worm reduction gear as set forth in claim 3, wherein: the height of the upper stage of the step nut (6) in the locking state is 1mm lower than the upper surface of the speed reducer mounting bar (5).

6. The two-stage adjustable mount of a worm gear and worm reduction gear as set forth in claim 1, wherein: the mounting bottom plate (4) is fixedly mounted through the secondary adjusting groove (11).

7. The two-stage adjustable mount of a worm gear and worm reduction gear as set forth in claim 1, wherein: the hexagonal screw assembly comprises a hexagonal screw, a spring washer and a flat washer.

8. The two-stage adjustable mount of a worm gear and worm reduction gear as set forth in claim 1, wherein: the inner hexagonal socket head screw assembly comprises an inner hexagonal socket head screw, a spring washer and a flat washer.