A high-efficiency worm gear transmission device and its use method

Abstract

The present invention relates to the technical field of worm gear transmission, and in particular to a high-efficiency worm gear transmission device and a method of using the same, comprising a worm gear for power output, the outer side of the worm gear meshing with a worm gear; the worm gear comprises an outer shell, the outer side of the outer shell is annularly fixedly connected with teeth, the inner side of the outer shell is rotatably connected with a positioning mechanism, an inner side of one end of the outer shell is provided with an arc groove and a second countersunk hole, and a positioning bolt is installed inside the second countersunk hole; the teeth comprise a columnar block, the inner side of the columnar block is provided with a first through hole, the bottom end of the columnar block is fixedly connected with a welding plate, the inner side of the welding plate is provided with a second through hole, and the inner sides of both ends of the first through hole are slidably connected with moving blocks. In the present invention, through the provided turbine, during the actual use of the device, the gap between the turbine and the worm gear can be adjusted according to actual needs, and can be adjusted to a suitable gap according to the needs of transmission efficiency and transmission accuracy. The present invention has a relatively wide range of applications and is relatively convenient to adjust.

Description

Technical Field

[0001] The present invention relates to the technical field of worm gear transmission, and in particular to a high-efficiency worm gear transmission device and a use method thereof. Background Art

[0002] High-efficiency worm gear transmission is a mechanical transmission device that uses the meshing of the worm and the turbine to achieve power transmission and conversion. This device usually has the following characteristics:

[0003] High transmission efficiency, compact structure, high load-bearing capacity, self-locking characteristics, smooth operation, easy maintenance, wide application, backlash control, high torque rigidity and strong adaptability;

[0004] The design and manufacture of high-efficiency worm gear transmissions require consideration of many factors, such as material selection, lubrication method, thermal balance calculation, etc., to ensure their performance and reliability in actual applications;

[0005] The existing transmission device that transmits power through a high-efficiency turbine worm gear cannot adjust the gap between the turbine and the worm gear, and the size of the gap will affect the transmission efficiency and noise level. If the gap is too small, the friction between the turbine and the worm gear will increase, reducing the transmission efficiency and increasing the noise; if the gap is too large, the engagement between the turbine and the worm gear will be loose, reducing the transmission accuracy and increasing the vibration. It is difficult to quickly adjust the gap according to actual needs. Therefore, in view of the above problems, a high-efficiency turbine worm gear transmission device and a method for using the same are proposed. Summary of the invention

[0006] The object of the present invention is to provide a high-efficiency turbine-worm gear transmission device and a method for using the same, so as to solve the problem that the existing transmission device which transmits power through a high-efficiency turbine-worm gear cannot adjust the gap between the turbine and the worm gear, and the size of the gap will affect the transmission efficiency and noise level. If the gap is too small, the friction between the turbine and the worm gear will increase, the transmission efficiency will be reduced and the noise will increase; if the gap is too large, the engagement between the turbine and the worm gear will be loose, the transmission accuracy will be reduced and the vibration will be increased, making it difficult to quickly adjust the gap according to actual needs.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A high-efficiency turbine worm transmission device and its use method, comprising a worm for power output, the outer side of the worm meshing with a turbine; the turbine comprises a shell, the outer side of the shell is annularly fixedly connected with teeth, the inner side of the shell is rotatably connected with a positioning mechanism, the inner side of one end of the shell is provided with an arc groove and a second countersunk hole, and a positioning bolt is installed inside the second countersunk hole; the teeth comprise a columnar block, the inner side of the columnar block is provided with a first through hole, the bottom end of the columnar block is fixedly connected with a welding plate, the inner side of the welding plate is provided with a second through hole, the inner sides of both ends of the first through hole are slidably connected with moving blocks, the moving blocks are connected by elastic strips, the end of the moving block close to the center point of the columnar block is provided with an oblique groove, and an extrusion block is provided inside the oblique groove, the positioning mechanism comprises a ring plate, one end of the ring plate is fixedly connected with an arc block, the edge of one end of the arc block is provided with a positioning groove, and the edge of the ring plate is annularly provided with a groove.

[0009] As a further optimization of the present invention, there are two outer shells, the outer shells include turbine bodies, one of the turbine bodies has a threaded hole inside, the other turbine body has a first countersunk hole inside, and the edges of the two turbine bodies are both annularly provided with equidistant positioning holes.

[0010] As a further optimization of the present invention, the two shells are fixedly connected by connecting bolts, a plurality of connecting bolts are provided, and the connecting bolts, threaded holes and first countersunk holes correspond one to one, and the connecting bolts are spirally connected to one of the turbine bodies through the threaded holes.

[0011] As a further optimization of the present invention, the first through hole is connected to the second through hole, the arc block is slidably connected to the welding plate through the second through hole, and the welding plate is welded and fixed inside the positioning hole opened inside the turbine body.

[0012] As a further optimization of the present invention, there are several columnar blocks, and any one of the columnar blocks is provided with two extrusion blocks slidably connected inside. The end of the extrusion block away from the center point of the columnar block is arc-shaped, the bottom end of the extrusion block is tightly attached to the ring plate, and the extrusion block is slidably connected to the moving block through an inclined groove.

[0013] As a further optimization of the present invention, there are two second countersunk holes, the angle between the two second countersunk holes is 9°, and the positioning bolt is spirally connected to the turbine body with an arc groove through the second countersunk hole.

[0014] As a further optimization of the present invention, the ring plate and the turbine body are both rotationally connected, the arc block is slidingly connected inside the arc groove, and the arc block is tightly attached to the top of the positioning bolt through the positioning groove opened inside.

[0015] As a further optimization of the present invention, there are several grooves, the angle between the straight lines formed by two adjacent grooves to the center point of the ring plate is 18°, the groove and the center point of the extrusion block are arranged on the same vertical plane, the edge position of the groove is arc-shaped, and the edges at both ends of the extrusion block are arc-shaped.

[0016] As further optimized content of the present invention, wherein: S1: installing the worm gear inside the reducer: installing the worm gear and the worm gear inside the reducer for use, during the installation process, the worm gear is protected by a dustproof housing;

[0017] S2: Adjust the position of the ring plate as needed: When the transmission accuracy requirement is high, the staff rotates the ring plate to stagger the positioning groove and the extrusion block, and then connects the positioning bolts with the corresponding second countersunk holes to position the arc block, and then the ring plate is positioned. During this process, the extrusion block pushes the moving block out from the inside of the columnar block, thereby reducing the gap between the overall tooth and the worm meshing;

[0018] S3: Adjust the position of the ring plate again as needed: When the transmission efficiency requirement is high, the staff rotates the ring plate to align the positioning groove with the extrusion block, and then connects it with the corresponding second countersunk hole through the positioning bolt to position the arc block, and then positions the ring plate. During this process, the extrusion block shrinks into the cylindrical block under the drive of the elastic strip, thereby increasing the clearance between the overall tooth and the worm gear.

[0019] As a further optimization of the present invention, during the process of adjusting the position of the ring plate, the position is adjusted by removing a dustproof housing installed on the reducer for protecting the turbine, and after the adjustment is completed, the dustproof housing needs to be reset.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. In the present invention, by setting the turbine, the gap between the turbine and the worm can be adjusted according to actual needs during the actual use of the device, and can be adjusted to a suitable gap according to the needs of transmission efficiency and transmission accuracy, which has a wider range of applications and is relatively convenient to adjust; 2. In the present invention, by setting two shells, it is convenient to maintain the positioning mechanism, and at the same time, the maintenance cost can be reduced, the service life can be extended, and the operating noise of the positioning mechanism can be effectively reduced;

[0022] 3. In the present invention, the transmission efficiency is high, which can reach more than 95%, and the structure is compact, the volume is small, and the weight is light. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 For the present invention Figure 1 Schematic diagram of the structure at A in the middle;

[0025] Figure 3 It is a schematic diagram of the turbine structure of the present invention;

[0026] Figure 4 For the present invention Figure 3 Schematic diagram of the structure at B in the middle;

[0027] Figure 5 For the present invention Figure 3 Schematic diagram of the structure at C in the middle;

[0028] Figure 6 It is a schematic diagram of the tooth structure of the present invention;

[0029] Figure 7 This is a schematic diagram of the columnar block structure of the present invention;

[0030] Figure 8 This is a schematic diagram of the installation position structure of the extrusion block of the present invention;

[0031] Fig. 9 It is a schematic diagram of the positioning mechanism structure of the present invention.

[0032] In the figure: 1. Worm; 2. Turbine;

[0033] 21. housing; 211. turbine body; 212. threaded hole; 213. first countersunk hole; 214. positioning hole;

[0034] 22, teeth; 221, columnar block; 222, first through hole; 223, welding plate; 224, second through hole; 225, moving block; 226, elastic strip; 227, extrusion block; 228, inclined groove;

[0035] 23. Connecting bolt; 24. Arc groove; 25. Positioning bolt; 26. Second countersunk hole;

[0036] 27. Positioning mechanism; 271. Ring plate; 272. Groove; 273. Arc block; 274. Positioning groove. DETAILED DESCRIPTION

[0037] See also Figure 1-9 , the present invention provides a technical solution:

[0038] A high-efficiency worm gear transmission device and a method of using the same, comprising a worm 1 for power output, the outer side of the worm 1 meshing with a worm gear 2; the worm gear 2 comprising a housing 21, the outer side of the housing 21 being annularly fixedly connected with teeth 22, the inner side of the housing 21 being rotatably connected with a positioning mechanism 27, an inner side of one end of the housing 21 being provided with an arc groove 24 and a second countersunk hole 26, a positioning bolt 25 being installed inside the second countersunk hole 26; the teeth 22 comprising a columnar block 221, the inner side of the columnar block 221 being provided with a first through hole 222, the bottom end of the columnar block 221 being fixedly connected with a welding Plate 223, a second through hole 224 is provided inside the welding plate 223, moving blocks 225 are slidably connected to the inner sides of both ends of the first through hole 222, and the moving blocks 225 are connected by elastic strips 226. An inclined groove 228 is provided at one end of the moving block 225 close to the center point of the columnar block 221, and an extrusion block 227 is provided inside the inclined groove 228. The positioning mechanism 27 includes a ring plate 271, one end of the ring plate 271 is fixedly connected to an arc block 273, and a positioning groove 274 is provided on the edge of one end of the arc block 273, and a groove 272 is provided on the edge of the ring plate 271 in a ring shape.

[0039] As a technical solution for further implementation of this solution, two shells 21 are provided, and the shells 21 include a turbine body 211, wherein a threaded hole 212 is provided inside one of the turbine bodies 211, and a first countersunk hole 213 is provided inside the other turbine body 211. The edges of the two turbine bodies 211 are both provided with equidistantly arranged positioning holes 214 in a ring shape, and the two shells 21 are fixedly connected by connecting bolts 23. A plurality of connecting bolts 23 are provided, and the connecting bolts 23, the threaded holes 212 and the first countersunk holes 213 correspond one to one. The connecting bolts 23 are spirally connected to one of the turbine bodies 211 through the threaded holes 212. The two shells 21 are provided to facilitate the production of the turbine 2 as a whole, and to facilitate the maintenance of the positioning mechanism 27 at a later stage.

[0040] As a further technical solution of the present invention, the first through hole 222 and the second through hole 224 are connected, the arc block 273 is slidably connected with the welding plate 223 through the second through hole 224, and the welding plate 223 is welded and fixed inside the positioning hole 214 opened inside the turbine body 211. The above arrangement facilitates the positioning of the moving block 225 and the extrusion block 227;

[0041] As a technical solution for further implementation of this scheme, a plurality of cylindrical blocks 221 are provided, and two extrusion blocks 227 slidably connected inside any cylindrical block 221 are provided, and the end of the extrusion block 227 away from the center point of the cylindrical block 221 is arc-shaped, and the bottom end of the extrusion block 227 is in close contact with the ring plate 271, and the extrusion block 227 is slidably connected with the moving block 225 through the inclined groove 228. Through the above arrangement, it is convenient to push the moving block 225 to move through the extrusion block 227;

[0042] As a technical solution for further implementation of this solution, two second countersunk holes 26 are provided, and the angle formed between the two second countersunk holes 26 is 9°. The positioning bolt 25 is spirally connected to the turbine body 211 with an arc groove 24 through the second countersunk hole 26. The ring plate 271 and the turbine body 211 are both rotationally connected. The arc block 273 is slidably connected inside the arc groove 24. The arc block 273 is tightly attached to the top of the positioning bolt 25 through the positioning groove 274 provided inside. Through the above arrangement, the ring plate 271 can be positioned;

[0043] As a technical solution for further implementation of this scheme, a plurality of grooves 272 are provided, and the angle between the straight lines formed by two adjacent grooves 272 and the center point of the ring plate 271 is 18°. The center point of the groove 272 and the extrusion block 227 are arranged on the same vertical plane, and the edge position of the groove 272 is arc-shaped. The edges of both ends of the extrusion block 227 are arc-shaped, and the ring plate 271 can be controlled to move to the desired position by rotating the arc block 273;

[0044] As a technical solution for further implementation of this solution, S1: installing the worm gear inside the reducer: installing the worm gear 2 and the worm gear 1 inside the reducer for use, and during the installation process, the worm gear 2 is protected by a dustproof housing;

[0045] S2: Adjust the position of the ring plate 271 as needed: When the transmission accuracy is required to be high, the staff rotates the ring plate 271 to stagger the positioning groove 274 and the extrusion block 227, and then connects the positioning bolt 25 with the corresponding second countersunk hole 26 to position the arc block 273, and then the ring plate 271 is positioned. In this process, the extrusion block 227 pushes the moving block 225 out of the inside of the columnar block 221, thereby reducing the gap between the overall meshing of the tooth 22 and the worm 1;

[0046] S3: Adjust the position of the ring plate 271 again as needed: When the transmission efficiency is required to be high, the staff rotates the ring plate 271 to align the positioning groove 274 with the extrusion block 227, and then connects the positioning bolt 25 with the corresponding second countersunk hole 26 to position the arc block 273, and then the ring plate 271 is positioned. In this process, the extrusion block 227 is driven by the elastic strip 226 to shrink into the columnar block 221, thereby increasing the clearance between the tooth 22 and the worm 1 as a whole;

[0047] During the process of adjusting the position of the ring plate 271, the position is adjusted by removing the dustproof housing installed on the reducer for protecting the turbine 2, and after the adjustment is completed, the dustproof housing needs to be reset;

[0048] The gap between the turbine and the worm can be adjusted, and then adjusted to a suitable gap according to the needs of transmission efficiency and transmission accuracy. Therefore, the size of the gap needs to be reasonably adjusted according to actual conditions.

[0049] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A high-efficiency worm gear transmission device, comprising a worm gear (1) for power output, characterized in that: The outer side of the worm (1) is meshed with the turbine (2); The turbine (2) comprises a housing (21), the outer side of the housing (21) being fixedly connected with teeth (22) in an annular shape, the interior of the housing (21) being rotatably connected with a positioning mechanism (27), an arc-shaped groove (24) and a second countersunk hole (26) being provided on the inner side of one end of the housing (21), and a positioning bolt (25) being installed inside the second countersunk hole (26); The housing (21) comprises a turbine body (211), wherein one of the turbine bodies (211) has a threaded hole (212) formed therein, and the other turbine body (211) has a first countersunk hole (213) formed therein, and the edges of the two turbine bodies (211) are both provided with equidistantly arranged positioning holes (214) in the form of a ring; The tooth (22) comprises a columnar block (221), a first through hole (222) is provided inside the columnar block (221), a welding plate (223) is fixedly connected to the bottom end of the columnar block (221), a second through hole (224) is provided inside the welding plate (223), moving blocks (225) are slidably connected to the inner sides of both ends of the first through hole (222), the moving blocks (225) are connected to each other via elastic strips (226), an inclined groove (228) is provided at one end of the moving block (225) close to the center point of the columnar block (221), an extrusion block (227) is provided inside the inclined groove (228), and the positioning mechanism (27) comprises a ring plate (271), one end of the ring plate (271) is fixedly connected to an arc block (273), and one end edge of the arc block (273) is provided with a positioning groove (224). 274), the edge of the ring plate (271) is provided with a groove (272) in an annular shape, the housing (21) is provided with two, the first through hole (222) and the second through hole (224) are connected, the arc block (273) is slidably connected to the welding plate (223) through the second through hole (224), the welding plate (223) is welded and fixed inside a positioning hole (214) opened inside the turbine body (211), a plurality of columnar blocks (221) are provided, and any one of the columnar blocks (221) is provided with two extrusion blocks (227) slidably connected inside, the end of the extrusion block (227) away from the center point of the columnar block (221) is arc-shaped, the bottom end of the extrusion block (227) is in close contact with the ring plate (271), and the extrusion block (227) is slidably connected to the moving block (225) through an inclined groove (228).

2. A high-efficiency worm gear transmission device according to claim 1, characterized in that: The two housings (21) are fixedly connected via a connecting bolt (23), a plurality of the connecting bolts (23) are provided, and there is a one-to-one correspondence between the connecting bolts (23), the threaded holes (212) and the first countersunk holes (213), and the connecting bolts (23) are spirally connected to one of the turbine bodies (211) via the threaded holes (212).

3. A high-efficiency worm gear transmission device according to claim 1, characterized in that: Two second countersunk holes (26) are provided, and the angle formed between the two second countersunk holes (26) is 9°. The positioning bolt (25) is spirally connected to the turbine body (211) provided with an arc groove (24) through the second countersunk hole (26).

4. A high-efficiency worm gear transmission device according to claim 1, characterized in that: The ring plate (271) and the turbine body (211) are both rotatably connected, the arc block (273) is slidably connected inside the arc groove (24), and the arc block (273) is tightly attached to the top of the positioning bolt (25) through the positioning groove (274) provided inside.

5. A high-efficiency worm gear transmission device according to claim 1, characterized in that: A plurality of grooves (272) are provided, and the angle between the straight lines formed by two adjacent grooves (272) and the center point of the ring plate (271) is 18°. The center point of the groove (272) and the extrusion block (227) are arranged on the same vertical plane, the edge position of the groove (272) is arc-shaped, and the edges at both ends of the extrusion block (227) are both arc-shaped.

6. A method for using a high-efficiency worm gear transmission device according to any one of claims 1 to 5, characterized in that: S1: Install the worm gear inside the reducer: Install the worm gear (2) and the worm gear (1) inside the reducer for use. During the installation process, the worm gear (2) is protected by a dustproof housing. S2: adjusting the position of the ring plate (271) as required: when the transmission accuracy requirement is high, the staff rotates the ring plate (271) to make the positioning groove (274) and the extrusion block (227) staggered, and then connects the positioning bolt (25) with the corresponding second countersunk hole (26) to position the arc block (273), and then the ring plate (271) is positioned. During this process, the extrusion block (227) pushes the moving block (225) out from the inside of the columnar block (221), thereby reducing the clearance between the entire tooth (22) and the worm (1) in meshing; S3: The position of the ring plate (271) is adjusted again as needed: When the transmission efficiency is required to be high, the staff rotates the ring plate (271) to align the positioning groove (274) with the extrusion block (227), and then connects it with the corresponding second countersunk hole (26) through the positioning bolt (25) to position the arc block (273), and then the ring plate (271) is positioned. During this process, the extrusion block (227) is driven by the elastic strip (226) to shrink into the columnar block (221), thereby increasing the clearance between the overall meshing of the tooth (22) and the worm (1).

7. The method for using a high-efficiency worm gear transmission device according to claim 6, characterized in that: During the process of adjusting the position of the ring plate (271), the position is adjusted by removing a dustproof housing installed on the reducer and used to protect the turbine (2), and after the adjustment is completed, the dustproof housing needs to be reset.

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