CN210715854U - Worm gear reducer - Google Patents

Abstract

The utility model discloses a worm gear reducer, which comprises a reducer main body, a protective plate, a supporting mechanism and a driving wheel, wherein the bottom end surface of the reducer main body is fixedly connected through a threaded bottom plate, and the outer walls of the two sides of the speed reducer main body are both vertically provided with support columns, the outer walls of the support columns are convexly provided with convex blocks which are in threaded connection with the outer wall of the speed reducer main body, the support columns are distributed in four groups along the periphery of the speed reducer main body in an array manner, and the upper end of the support column is slidably provided with a connecting rod which slides towards the inside of the support column along the upper surface of the support column, one end of the connecting rod, which is far away from the supporting column, is fixedly connected with the bottom end surface of a protection plate, the protection plate is horizontally arranged above the speed reducer main body, the inside of support column is vertical to be seted up and to be supplied the recess that the connecting rod stretched into, it is provided with the stopper still to bulge on the inner wall of recess. The worm gear reducer is reasonable in structure, convenient to move, safe, reliable and capable of being widely used.

Description

Worm gear reducer

Technical Field

The utility model belongs to the technical field of the reduction gear, concretely relates to worm gear reduction gear.

Background

The speed reducer, which is a relatively precise machine used for the purpose of reducing the rotational speed and increasing the torque, serves to match the rotational speed and transmit the torque between the prime mover and the working machine or the actuator. The reduction gearing between the prime mover and the working machine is often used to match the speed and torque between the prime mover and the working machine or actuator to meet the work requirements.

At present, reduction gear range of application is extensive, uses in some occasions, and the outside receives the impact easily, leads to inside worm gear to receive the influence of different degrees, and reduction gear weight is heavy, and is comparatively hard in removal and transport, needs further improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a worm gear reduction gear 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 worm and gear speed reducer comprises a speed reducer main body, a protection plate, a support mechanism and a driving wheel, wherein the bottom end face of the speed reducer main body is fixedly connected through a threaded bottom plate, support columns are vertically arranged on the outer walls of two sides of the speed reducer main body, convex blocks are convexly arranged on the outer walls of the support columns and are in threaded connection with the outer walls of the speed reducer main body, four groups of support columns are distributed along the periphery of the speed reducer main body in an array manner, connecting rods are arranged at the upper ends of the support columns in a sliding manner and slide towards the upper surfaces of the support columns, one ends, far away from the support columns, of the connecting rods are fixedly connected with the bottom end face of the protection plate, the protection plate is horizontally arranged above the speed reducer main body, a groove for the connecting rods to extend into is, the supporting mechanism at least comprises a bottom plate connected with the reducer main body and a driving wheel rotatably arranged at the bottom of the bottom plate, four groups of fixing blocks are distributed on the bottom end face array of the bottom plate, a placing groove for placing the driving wheel is formed in the bottom end face array of the bottom plate, the driving wheel turns towards the inside of the placing groove by means of a side plate, two groups of side plates are symmetrically distributed on two sides of the driving wheel, one group of inner walls is hinged with the placing groove, and the other group of inner walls is attached to the bottom end face of the bottom plate after turning.

Preferably, the fixing block is longitudinally provided with a limiting bolt, the limiting bolt penetrates through the fixing block and extends into a limiting groove formed in the outer wall of the side plate, and the limiting groove is formed in the side plate close to the fixing block.

Preferably, the bottom of curb plate all is provided with the dead lever, the dead lever level sets up, and the symmetric distribution is connected with the drive wheel rotation in the both sides of drive wheel and one end pole wall.

Preferably, a second spring is arranged between the upper surface of one end, far away from the driving wheel, of the fixing rod and the bottom end surface of the side plate, and the side plate is elastically connected with the fixing rod.

Preferably, one end of the connecting rod extending into the groove is fixedly connected with a vertically arranged first spring.

Preferably, the bottom end surfaces of the fixing blocks are provided with rubber pads.

The utility model discloses a technological effect and advantage: this worm gear reduction gear, setting through the guard plate, can be effectively to reduction gear main part protection, avoid causing the harm to the reduction gear because of the impact that the eminence felling thing produced, the precision of the inside worm gear meshing of protection, the operating mass is carried into, can overturn out the drive wheel when the reduction gear main part is removed to needs through supporting mechanism's setting, effectively reduce the labor intensity of artifical transport, and the drive wheel can accomodate the setting, can not influence the job stabilization of reduction gear main part, this worm gear reduction gear, and is rational in infrastructure, be convenient for remove, safety and reliability, but wide use.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the connecting rod and the supporting pillar of the present invention;

fig. 3 is a schematic structural diagram of the supporting mechanism of the present invention.

In the figure: 1 reduction gear main part, 2 supporting mechanism, 3 guard plates, 4 support columns, 5 first springs, 6 limiting blocks, 7 grooves, 8 connecting rods, 9 placing grooves, 10 bottom plates, 11 side plates, 12 fixing rods, 13 driving wheels, 14 fixing blocks, 15 limiting bolts, 16 second springs and 17 limiting grooves.

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.

The utility model provides a worm gear reducer as shown in figures 1-3, which comprises a reducer body 1, a protection plate 3, a support mechanism 2 and a driving wheel 13, wherein the bottom end surface of the reducer body 1 is fixedly connected through a thread bottom plate 10, support columns 4 are vertically arranged on the outer walls of the two sides of the reducer body 1, a lug is convexly arranged on the outer wall of each support column 4 and is in threaded connection with the outer wall of the reducer body 1, four groups of the support columns 4 are distributed along the periphery of the reducer body 1 in an array manner, connecting rods 8 are slidably arranged at the upper ends of the support columns 4, the connecting rods 8 slide towards the inside of the support columns 4 along the upper surfaces of the support columns 4, one ends of the connecting rods 8 far away from the support columns 4 are fixedly connected with the bottom end surface of the protection plate 3, the protection plate 3 is horizontally arranged above the reducer body 1, grooves 7, still the protrusion is provided with stopper 6 on the inner wall of recess 7, connecting rod 8 slides towards stopper 6 to contact with it, supporting mechanism 2 includes the bottom plate 10 of being connected with reduction gear main part 1 and rotates the drive wheel 13 that sets up in bottom plate 10 bottom at least, the bottom face array distribution of bottom plate 10 has four groups of fixed blocks 14, the standing groove 9 that supplies drive wheel 13 to place is seted up to the bottom face array of bottom plate 10, drive wheel 13 relies on curb plate 11 to overturn towards standing groove 9 inside, curb plate 11 has two sets ofly at drive wheel 13 bilateral symmetry distribution, and the inner wall of a set of articulated standing groove 9, another group's upset back and the bottom face laminating of bottom plate 10, through the setting of guard plate 3, can effectively protect reduction gear main part 1, avoid leading to the fact the harm to reduction gear 1 because of the impact that the eminence falls the thing and.

Specifically, a limiting bolt 15 is longitudinally installed on the fixing block 14, the limiting bolt 15 penetrates through the fixing block 14 and extends into a limiting groove 17 formed in the outer wall of the side plate 11, the limiting groove 17 is formed in the side plate 11 close to the fixing block 14, the limiting bolt 15 is rotated, and the limiting bolt extends into the limiting groove 17 formed in the side plate 11 to fix the side plate 11.

Specifically, the bottom of the side plate 11 is provided with a fixing rod 12, the fixing rod 12 is horizontally arranged, symmetrically distributed on two sides of the driving wheel 13, and one end rod wall is rotatably connected with the driving wheel 13.

Specifically, a second spring 16 is arranged between an upper surface of one end of the fixing rod 12, which is far away from the driving wheel 13, and a bottom end surface of the side plate 11, and the side plate 11 and the fixing rod 12 are elastically connected, so that vibration in the moving process is buffered through the second spring 16.

Specifically, one end of the connecting rod 8 extending into the groove 7 is fixedly connected with the vertically arranged first spring 5.

Specifically, the bottom end face of the fixed block 14 is provided with a rubber pad, so that the stability is improved.

Specifically, when the worm gear reducer is used, a falling object above the reducer main body 1 is intercepted through the protection plate 3, when the falling object falls, the protection plate 3 is firstly stressed, the connecting rod 8 moves towards the inside of the supporting column 4, the first spring 5 contracts and buffers, if the gravity exceeds the bearing capacity of the first spring 5, the protection plate 3 is prevented from contacting the reducer main body 3 through the contact of the limiting block 6 and the bottom end surface of the connecting rod 8, the practicability is strong, the supporting column 4 is in threaded connection with the reducer main body 1 and is detachably arranged, when the reducer main body 1 works, the fixing block 14 supports the reducer main body 1, when the reducer main body 1 needs to be moved, the side plate 11 is firstly turned out from the inside of the placing groove 9, at the moment, the upper surface of the side plate 11 close to the fixing block 14 abuts against the bottom end surface of the bottom plate 10, the limiting bolt 15 rotates to extend into the limiting groove, it is fixed with curb plate 11, rely on drive wheel 13 to remove bottom plate 10, and then carry reduction gear main part 1, remove the vibrations buffering of in-process through second spring 16, remove after accomplishing with stop bolt 15, upset curb plate 11 accomodate drive wheel 13 can, reduction gear main part 1's theory of operation is prior art, this worm gear reduction gear, rational in infrastructure, be convenient for remove, safe and reliable, but wide use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a worm gear reduction gear, includes reduction gear main part (1), guard plate (3), supporting mechanism (2) and drive wheel (13), its characterized in that: the bottom end face of the speed reducer main body (1) is fixedly connected through a threaded bottom plate (10), support columns (4) are vertically arranged on outer walls of two sides of the speed reducer main body (1), a convex block is arranged on the outer wall of each support column (4) in a protruding mode and is in threaded connection with the outer wall of the speed reducer main body (1), four groups of support columns (4) are distributed along the periphery of the speed reducer main body (1) in an array mode, connecting rods (8) are arranged on the upper ends of the support columns (4) in a sliding mode, the connecting rods (8) slide towards the inner portions of the support columns (4) along the upper surfaces of the support columns (8), one ends, far away from the support columns (4), of the connecting rods (8) are fixedly connected with the bottom end face of a protection plate (3), the protection plate (3) is horizontally arranged above the speed reducer main body (1, still the protrusion is provided with stopper (6) on the inner wall of recess (7), connecting rod (8) slide towards stopper (6) to contact with it, supporting mechanism (2) include bottom plate (10) be connected with reduction gear main part (1) and rotate drive wheel (13) of setting in bottom plate (10) bottom at least, the bottom face array distribution of bottom plate (10) has four groups of fixed block (14), standing groove (9) that supply drive wheel (13) to place are seted up to the bottom face array of bottom plate (10), drive wheel (13) rely on curb plate (11) to turn over towards standing groove (9) inside, curb plate (11) have two sets ofly at drive wheel (13) bilateral symmetry distribution, and the inner wall of a set of articulated standing groove (9), the bottom face laminating of another group's upset back with bottom plate (10).

2. A worm gear reducer according to claim 1, wherein: the fixing block (14) is longitudinally provided with a limiting bolt (15), the limiting bolt (15) penetrates through the fixing block (14) and extends into a limiting groove (17) formed in the outer wall of the side plate (11), and the limiting groove (17) is formed in the side plate (11) close to the fixing block (14).

3. A worm gear reducer according to claim 1, wherein: the bottom of curb plate (11) all is provided with dead lever (12), dead lever (12) level sets up, and the symmetric distribution is connected with drive wheel (13) rotation in the both sides of drive wheel (13) and one end pole wall.

4. A worm gear reducer according to claim 3 in which: a second spring (16) is arranged between the upper surface of one end, far away from the driving wheel (13), of the fixing rod (12) and the bottom end surface of the side plate (11), and the side plate (11) is elastically connected with the fixing rod (12).

5. A worm gear reducer according to claim 1, wherein: the connecting rod (8) stretches into the one end inside the groove (7) and is fixedly connected with the vertically arranged first spring (5).

6. A worm gear reducer according to claim 1, wherein: and rubber pads are arranged on the bottom end surfaces of the fixing blocks (14).

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