CN211009757U

CN211009757U - High-rigidity adjustable two-stage worm gear speed reducer

Info

Publication number: CN211009757U
Application number: CN201921720164.6U
Authority: CN
Inventors: 严云庆
Original assignee: Hangzhou Xuya Machinery Co ltd
Current assignee: Hangzhou Xuya Machinery Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-07-14
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a doublestage worm gear speed reducer with adjustable high rigidity, the load simulator comprises a case, the welding has first supporting shaft on one side lateral wall of machine case, and first supporting shaft is mesoporium structure, the one end of first supporting shaft is rotated and is connected with first turbine, the first square block of fixedly connected with on one side lateral wall of first turbine, and has seted up first turn trough in the first square block, be provided with the main shaft in the first supporting shaft, and the main shaft rotates through first bearing and connect on the lateral wall of machine case, square groove has been seted up to the one end of main shaft, square inslot is provided with the third square block, and third square block sliding connection is in square groove, the one end welding of third square block has the connecting rod. The utility model relates to a speed reducer technical field, it can realize convenient speed governing and reduce operating personnel's technical requirement, has reduced labour cost.

Description

High-rigidity adjustable two-stage worm gear speed reducer

Technical Field

The utility model relates to a speed reducer technical field especially relates to a doublestage worm gear speed reducer with adjustable high rigidity.

Background

The reduction gear serves to match the rotational speed and the torque transmission between the prime mover and the working machine or the actuator, and is used in modern machines in a very wide range of applications. The existing double-stage worm and gear speed reducer is relatively troublesome in realizing the regulation of the rotating speed, needs certain proficiency in operation and has higher requirement on the working quality of personnel.

Therefore, a high-rigidity adjustable double-stage worm and gear speed reducer is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art, and providing a high-rigidity adjustable double-stage worm and gear speed reducer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-rigidity adjustable two-stage worm and gear speed reducer comprises a case, wherein a first supporting shaft is welded on one side wall of the case and is of a mesoporous structure, one end of the first supporting shaft is rotatably connected with a first turbine, a first square block is fixedly connected on one side wall of the first turbine, a first rotary groove is formed in the first square block, a main shaft is arranged in the first supporting shaft and is rotatably connected on the side wall of the case through a first bearing, a square groove is formed in one end of the main shaft, a third square block is arranged in the square groove and is slidably connected in the square groove, a connecting rod is welded at one end of the third square block and penetrates through the first turbine and the first square block, a transmission block is welded at one end of the connecting rod, and a second supporting shaft is welded on the side wall of the case, which is located on the opposite side of the first supporting shaft, and the second back shaft is of a mesopore structure, one end of the second back shaft is rotatably connected with a second turbine, a square second block is welded on one side wall of the second turbine, a second rotary groove is formed in the square second block, an ejector rod is arranged in the second back shaft and penetrates through the second turbine and the square second block, the ejector rod is rotatably connected with a transmission block, a first worm matched with the first worm is arranged on the lower side of the first turbine, a second bearing symmetrically arranged between the first worm and the side wall of the case is rotatably connected, a second worm matched with the second worm is arranged on the lower side of the second turbine, and a third bearing symmetrically arranged between the second worm and the side wall of the case is rotatably connected.

Preferably, rubber cushions are arranged in the two rotary grooves of the first square block and the second square block.

Preferably, the ejector rod penetrates through the side wall of the case, a limit ring is slidably sleeved on the ejector rod positioned outside the case, and one side wall of the limit ring is fixedly connected with the side wall of the case.

Preferably, the cross section of the connecting rod is arranged in a circular shape, and the diameter of the cross section of the connecting rod is arranged at the maximum side length of the square groove.

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

1. the device comprises a first square block, a second square block, a transmission block and the like. The adjustment of different rotating speeds can be realized through the left and right teleoperation of the transmission block, the operation process is convenient and simple, the requirement on the quality of workers is basically avoided, and the manual operation damage and the labor cost are reduced;

2. the first supporting shaft and the second supporting shaft which are arranged provide certain guarantee for the rigidity of the turbine in the transmission process, and damage to the turbine caused by large torsion can be prevented.

Drawings

Fig. 1 is a schematic view of an overall structure of a high-rigidity adjustable two-stage worm gear reducer provided by the present invention;

fig. 2 is a schematic front sectional structural view of a high-rigidity adjustable two-stage worm gear reducer provided by the present invention;

fig. 3 is a schematic side sectional view of a high-rigidity adjustable two-stage worm gear speed reducer provided by the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the device comprises a case 1, a main shaft 2, a second worm 3, a first worm 4, a third square block 5, a first bearing 6, a first support shaft 7, a first worm wheel 8, a first square block 9, a transmission block 10, a second square block 11, a second worm wheel 12, a second support shaft 13, a top rod 14, a limiting ring 15, a second bearing 16, a third bearing 17, a connecting rod 18 and a square groove 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high-rigidity adjustable two-stage worm and gear speed reducer comprises a case 1, a first support shaft 7 welded on one side wall of the case 1, the first support shaft 7 having a mesoporous structure, a first turbine 8 rotatably connected to one end of the first support shaft 7, a first square block 9 fixedly connected to one side wall of the first turbine 8, a first rotary groove formed in the first square block 9, a main shaft 2 disposed in the first support shaft 7 and rotatably connected to the side wall of the case 1 through a first bearing 6, a square groove 19 disposed at one end of the main shaft 2, a third square block 5 disposed in the square groove 19 and slidably connected to the square groove 19, a connecting rod 18 welded at one end of the third square block 5, the connecting rod 18 arranged to penetrate through the first turbine 8 and the first square block 9, and a transmission block 10 welded at one end of the connecting rod 18, the section of the connecting rod 18 is in a circular arrangement, the diameter of the section of the connecting rod 18 is the maximum side length arrangement of the square groove 19, when the connecting rod 18 is abutted against the main shaft 2, the strength of the connecting rod 18 can be ensured, the fracture of the connecting rod 18 is reduced, the service life of parts is prolonged, the side wall of the case 1 on the opposite side of the first supporting shaft 7 is welded with the second supporting shaft 13, the second supporting shaft 13 is in a mesoporous structure, one end of the second supporting shaft 13 is rotatably connected with the second turbine 12, the side wall of one side of the second turbine 12 is welded with the second square block 11, the second square block 11 is provided with a second rotating groove, rubber cushions are arranged in the two rotating grooves of the first square block 9 and the second square block 11, the transmission block 10, the first square block 9 and the second square block 11 can be protected through the arranged rubber cushions, and the service life of the parts is prolonged, a top rod 14 is arranged in the second supporting shaft 13, the top rod 14 penetrates through the second worm wheel 12 and the second square block 11, the top rod 14 is rotatably connected with the transmission block 10, the top rod 14 penetrates through the side wall of the case 1, a limiting ring 15 is slidably sleeved on the top rod 14 positioned outside the case 1, one side wall of the limiting ring 15 is fixedly connected with the side wall of the case 1, the top rod 14 can be assembled and positioned through the arranged limiting ring 15, the speed regulation work is facilitated, meanwhile, certain protection is provided for the top rod 14, a first matched worm 4 is arranged on the lower side of the first worm wheel 8, the first worm 4 is rotatably connected with the side wall of the case 1 through second bearings 16 which are symmetrically arranged, a second matched worm 3 is arranged on the lower side of the second worm wheel 12, and the second worm 3 is rotatably connected with the side wall of the case 1 through third bearings 17 which are symmetrically arranged.

In the utility model, before the speed reducer starts working, the worker installs the main shaft 2 on the corresponding machine, the worker controls the direction of the transmission block 10 through the adjusting ejector rod 14, after the transmission block 10 enters the first rotary groove in the first square block 9, the main shaft 2 drives the transmission block 10 to rotate through the third square block 5 and the connecting rod 18, the transmission block 10 drives the first turbine 8 to rotate through the first square block 9, and the first turbine 8 adjusts the speed through the first worm 4;

further, after the transmission block 10 gets into the second rotary groove in the square piece 11 of second, main shaft 2 drives the rotation of transmission block 10 through third model piece 5 and connecting rod 18, and transmission block 10 rethread square piece 11 drives second turbine 12 and rotates, and second turbine 12 rethread second worm 3 carries out the speed governing, and the staff only needs to accomplish the speed governing work through adjusting ejector pin 14, and is simple convenient, has reduced personnel's work quality requirement.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-rigidity adjustable double-stage worm and gear speed reducer comprises a case (1) and is characterized in that a first supporting shaft (7) is welded on one side wall of the case (1), the first supporting shaft (7) is of a mesoporous structure, one end of the first supporting shaft (7) is rotatably connected with a first turbine (8), a first square block (9) is fixedly connected onto one side wall of the first turbine (8), a first rotating groove is formed in the first square block (9), a main shaft (2) is arranged in the first supporting shaft (7), the main shaft (2) is rotatably connected onto the side wall of the case (1) through a first bearing (6), a square groove (19) is formed in one end of the main shaft (2), a third block (5) is arranged in the square groove (19), and the third block (5) is slidably connected into the square groove (19), a connecting rod (18) is welded at one end of the third square block (5), the connecting rod (18) penetrates through the first turbine (8) and the first square block (9) to be arranged, a transmission block (10) is welded at one end of the connecting rod (18), a second supporting shaft (13) is welded on the side wall of the case (1) on one side opposite to the first supporting shaft (7), the second supporting shaft (13) is of a mesoporous structure, one end of the second supporting shaft (13) is rotatably connected with a second turbine (12), a second square block (11) is welded on the side wall of one side of the second turbine (12), a second rotary groove is formed in the second square block (11), a mandril (14) is arranged in the second supporting shaft (13), the mandril (14) penetrates through the second turbine (12) and the second square block (11) to be arranged, and the mandril (14) is rotatably connected with the transmission block (10), the first worm (4) matched with the first worm wheel (8) is arranged on the lower side of the first worm wheel, the first worm (4) and the side wall of the case (1) are connected in a rotating mode through second bearings (16) symmetrically arranged, the second worm wheel (3) matched with the second worm wheel (12) is arranged on the lower side of the second worm wheel, and the second worm wheel (3) and the side wall of the case (1) are connected in a rotating mode through third bearings (17) symmetrically arranged.

2. The high-rigidity adjustable two-stage worm and gear speed reducer according to claim 1, wherein rubber cushions are mounted in the two rotating grooves of the first square block (9) and the second square block (11).

3. The high-rigidity adjustable two-stage worm and gear speed reducer according to claim 1, wherein the top rod (14) penetrates through a side wall of the case (1), a limit ring (15) is slidably sleeved on the top rod (14) located outside the case (1), and a side wall of one side of the limit ring (15) is fixedly connected with a side wall of the case (1).

4. The high-rigidity adjustable two-stage worm and gear speed reducer according to claim 1, wherein the cross section of the connecting rod (18) is circular, and the diameter of the cross section of the connecting rod (18) is set by the maximum side length of the square groove (19).