Worm and gear speed reducer structure with wedge block gap adjusting assembly

Abstract

The utility model discloses a worm and gear speed reducer structure with a wedge block gap adjusting assembly, and relates to the technical field of worm and gears. The worm and gear speed reducer structure with the wedge block gap adjusting assembly comprises a worm and a worm gear, speed reduction and torque increasing are achieved, high-rotating-speed low torque is converted into low-rotating-speed high torque, and the power requirement of equipment is met; the base provides a supporting and mounting foundation for the speed reducer; the driving assembly is located between the worm gear and the base, supplies energy to the worm gear and drives the worm to enable the worm gear to rotate at a set speed; the adjusting assembly is installed between the base and the driving assembly and used for adjusting the center distance between a worm and a worm gear, accurately adjusting the meshing clearance, guaranteeing stable transmission and reducing abrasion; by arranging the driving assembly and the adjusting assembly, buffering and resetting force is provided, stable power transmission is guaranteed, meanwhile, the center distance between the worm and the worm gear is accurately adjusted, and then the meshing clearance is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to worm and worm gear technical field, concretely is a worm and worm gear reducer structure with wedge gap adjusting assembly. BACKGROUND

[0002] As a commonly used power transmission machinery, worm and worm gear reducer plays a key role in various mechanical equipment, and is widely used in transmission systems of many mechanical industries such as industry, agriculture and military industry. From vehicles to construction tools, from industrial production equipment to daily life household appliances, its figure can be found.

[0003] The utility model discloses a worm and worm gear reducer convenient to adjust, including drive arrangement, the back surface fixed connection of drive arrangement has the reducer body, the inside of reducer body is provided with horizontal adjusting mechanism, the inside of reducer body is provided with vertical adjusting mechanism, the horizontal adjusting mechanism includes: fixed cover, the fixed cover fixedly penetrates the top of reducer body, the inside of fixed cover is provided with movable rod, the bottom of movable rod is installed with worm through connecting shaft. This kind of worm and worm gear reducer convenient to adjust, through setting up the movable rod can be effectively adjusted the vertical height of worm in control horizontal adjusting mechanism, and its adjusting sleeve A can carry out horizontal activity adjustment on the outer wall of connecting plate, and can be fixed after horizontal adjustment through the position of locating hole A and adjusting sleeve A.

[0004] As shown in the above technical scheme, the device realizes multidimensional manual adjustment of the worm position through the horizontal adjusting mechanism and the vertical adjusting mechanism, which meets the adjustment demand of the worm and worm engagement gap to some extent. However, in actual application, there is a lack of effective buffer structure. In the power transmission process, if impact or load mutation is encountered, it is easy to cause parts to wear out intensively, affecting the service life of the equipment. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a worm and worm gear reducer structure with wedge gap adjusting assembly, which solves the problem that parts are easily worn out intensively if impact or load mutation is encountered in the power transmission process.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a worm and worm gear reducer structure with wedge gap adjusting assembly, comprising:

[0007] Worm and worm, the worm and the worm are used for realizing the transmission function of speed reduction and torque increase, converting the input high speed low torque power into low speed high torque power, meeting the power demand of equipment.

[0008] A base, the worm gear is installed on the base, the base is used for providing stable support and installation base for the speed reducer;

[0009] A drive assembly, the drive assembly is installed between the worm gear and the base, the drive assembly is used for providing power to the worm gear, transmitting power to the worm, and rotating the worm gear at a set speed and direction;

[0010] An adjustment assembly, the adjustment assembly is installed between the base and the drive assembly, the adjustment assembly is used for adjusting the center distance between the worm and the worm gear, thereby accurately adjusting the meshing gap of the worm and the worm gear, ensuring transmission stability and reducing wear.

[0011] Preferably, the drive assembly comprises a driver, the driver is installed on the base, a wedge is installed between the driver and the worm gear, two first sliding grooves are formed in the wedge, the same mounting frame is slidingly installed between the two first sliding grooves, the worm gear is rotatably installed on the mounting frame, and the output end of the driver is fixedly connected with one end of the worm gear through the mounting frame.

[0012] Preferably, the drive assembly further comprises a plurality of springs, one end of the plurality of springs is fixedly connected with the wedge, and the other end is fixedly connected with the mounting frame.

[0013] Preferably, the adjustment assembly comprises a second sliding groove, the second sliding groove is formed in the base, the driver is slidingly installed at the second sliding groove, an electric telescopic rod is fixedly installed in the second sliding groove, and the output end of the electric telescopic rod is fixedly connected with the driver.

[0014] Preferably, an infrared sensor is fixedly installed on the driver.

[0015] Preferably, mounting blocks are fixedly installed at the front end and the rear end of the base, and positioning bolts are movably installed on the mounting blocks in a threaded manner.

[0016] Beneficial effects

[0017] The utility model provides a worm gear and worm reducer structure with wedge gap adjustment assembly compares with prior art has the following beneficial effects:

[0018] 1. The worm gear reducer structure with wedge gap adjusting assembly, by setting the driving assembly and the adjusting assembly, the driver outputs power, drives the worm gear to rotate through the output end fixedly connected with the worm gear, the mounting frame slides in the first sliding groove of the wedge block, cooperates with the spring to provide buffering and resetting force, ensures stable power transmission; the adjusting assembly is telescopic in the second sliding groove through the electric telescopic rod, drives the worm gear to move by pushing the driver, accurately adjusts the center distance of the worm gear and the worm gear, and further adjusts the meshing gap.

[0019] 2. The worm gear reducer structure with wedge gap adjusting assembly, through the linkage of the infrared sensor, the electric telescopic rod and the driver, intelligent monitoring and dynamic adjustment of the worm gear meshing gap are realized, the stability and self-adaptive ability of the transmission system are further improved, the fault risk caused by improper gap is reduced; the threaded connection mode of the mounting block and the positioning bolt makes the installation process of the reducer more convenient, the installation position can be flexibly adjusted according to different installation scenes, reliable fastening force is provided, the stability during operation of the reducer is ensured, and the transmission performance is affected due to loosening. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic view of the overall structure of the utility model Figure 1 ;

[0021] Figure 2 is a schematic view of the overall structure of the utility model Figure 1 ;

[0022] Figure 3 is a top view of the utility model Figure 1 ;

[0023] Figure 4 is a schematic view of the local structure of the utility model.

[0024] In the drawing: 1, worm gear; 2, worm wheel; 3, base; 4, driving assembly; 41, driver; 42, wedge block; 43, first sliding groove; 44, mounting frame; 45, spring; 5, adjusting assembly; 51, second sliding groove; 52, electric telescopic rod; 6, infrared sensor; 7, mounting block; 8, positioning bolt. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Reference Figures 1-4The utility model provides two technical schemes below:

[0027] The first embodiment is a worm gear reducer structure with a wedge gap adjusting assembly, comprising:

[0028] The worm gear 1 and the worm wheel 2 are used to realize the transmission function of speed reduction and torque increase, convert the input high-speed low-torque power into low-speed high-torque power, and meet the power demand of the equipment.

[0029] The base 3 is used to provide stable support and installation foundation for the reducer.

[0030] The driving assembly 4 is installed between the worm wheel 2 and the base 3, and comprises a driver 41 and a plurality of springs 45. The driver 41 is installed on the base 3, and a wedge 42 is installed between the driver 41 and the worm wheel 2. Two first sliding grooves 43 are formed on the wedge 42, and the same mounting bracket 44 is slidingly installed between the two first sliding grooves 43. The worm wheel 2 is rotatably installed on the mounting bracket 44. The output end of the driver 41 is fixedly connected with one end of the worm wheel 2 through the mounting bracket 44. One end of the plurality of springs 45 is fixedly connected with the wedge 42, and the other end is fixedly connected with the mounting bracket 44. The driving assembly 4 is used to provide power to the worm wheel 2, transmit the power to the worm gear 1, and make the worm wheel rotate at a set speed and direction.

[0031] The adjusting assembly 5 is installed between the base 3 and the driving assembly 4. The driving assembly 4 comprises a driver 41 and a plurality of springs 45. The driver 41 is installed on the base 3, and a wedge 42 is installed between the driver 41 and the worm wheel 2. Two first sliding grooves 43 are formed on the wedge 42, and the same mounting bracket 44 is slidingly installed between the two first sliding grooves 43. The worm wheel 2 is rotatably installed on the mounting bracket 44. The output end of the driver 41 is fixedly connected with one end of the worm wheel 2 through the mounting bracket 44. One end of the plurality of springs 45 is fixedly connected with the wedge 42, and the other end is fixedly connected with the mounting bracket 44. The adjusting assembly 5 is used to adjust the center distance between the worm gear 1 and the worm wheel 2, accurately adjust the meshing gap of the worm gear 1 and the worm wheel 2, ensure the transmission stability, and reduce the wear.

[0032] The worm gear 1 and the worm wheel 2 are meshed with each other. The high-speed rotation of the worm gear 1 drives the worm wheel 2 to rotate at a lower speed, realizes the function of speed reduction and torque increase, meets the power demand of the equipment, and drives the worm wheel 2 to rotate through the output end fixedly connected with the worm wheel 2 in the driving assembly 4. The mounting bracket 44 slides in the first sliding groove 43 of the wedge 42, and cooperates with the spring 45 to provide buffering and resetting force, so as to ensure the stability of power transmission. The adjusting assembly 5 is telescopic in the second sliding groove 51 through the electric telescopic rod 52, pushes the driver 41 to drive the worm wheel 2 to move, accurately adjusts the center distance of the worm gear 1 and the worm wheel 2, and further adjusts the meshing gap.

[0033] In this embodiment, high-efficiency deceleration and torque increase are achieved through the transmission of the worm gear 2 and the worm 1; the spring 45 and the sliding structure of the driving assembly 4 can buffer the operation impact and reduce the wear of components; the electric telescopic rod 52 of the adjusting assembly 5 can realize the automatic and high-precision adjustment of the gap, effectively improve the transmission stability, and prolong the service life of the speed reducer.

[0034] The second embodiment mainly differs from the first embodiment in that the infrared sensor 6 is fixedly installed on the driver 41.

[0035] The mounting blocks 7 are fixedly installed at the front and rear ends of the base 3, and the positioning bolts 8 are movably installed on the mounting blocks 7 in a threaded manner.

[0036] The infrared sensor 6 is installed on the driver 41 and can monitor the meshing state of the worm 1 and the worm gear 2 in real time. When it is detected that the gap exceeds the preset range, the infrared sensor 6 transmits a signal to the driver 41 and the electric telescopic rod 52, and the electric telescopic rod 52 adjusts the telescopic length accordingly, drives the driver 41 to move, and realizes the automatic adjustment of the center distance of the worm 1 and the worm gear 2. The mounting blocks 7 at the front and rear ends of the base 3 are cooperated with the positioning bolts 8 through threads. During installation, the positioning bolts 8 can be screwed into the corresponding screw holes of the mounting surface. By rotating the positioning bolts 8, the tightening action of the threads is utilized to stably install the speed reducer on the equipment.

[0037] In this embodiment, the linkage of the infrared sensor 6, the electric telescopic rod 52, and the driver 41 realizes the intelligent monitoring and dynamic adjustment of the meshing gap of the worm gear and the worm, further improves the stability and self-adaptive ability of the transmission system, and reduces the risk of failure caused by improper gap; the threaded connection of the mounting blocks 7 and the positioning bolts 8 makes the installation process of the speed reducer more convenient, and can flexibly adjust the installation position according to different installation scenes, while providing reliable fastening force to ensure the stability of the speed reducer during operation and avoid affecting the transmission performance due to looseness.

[0038] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0039] In use, the reducer is stably installed at the corresponding position of the equipment through the positioning bolts 8 on the mounting blocks 7 at the front and rear ends of the base 3, and fastening is completed by rotating and positioning the bolts 8 according to the screw holes of the mounting surface; after installation, the control driver 41 is operated, the output end drives the worm wheel 2 to rotate, the mounting frame 44 slides in the first sliding groove 43 of the wedge block 42, the spring 45 plays a buffering and resetting role, ensures stable power transmission to the worm 1, and realizes the function of speed reduction and torque increase; during operation, the infrared sensor 6 installed on the driver 41 monitors the meshing gap of the worm 1 and the worm wheel 2 in real time, when the gap is detected to be out of the preset range, the signal is immediately transmitted to the driver 41 and the electric telescopic rod 52, the electric telescopic rod 52 is telescopic in the second sliding groove 51, drives the driver 41 to move the worm wheel 2, automatically adjusts the center distance of the worm 1 and the worm wheel 2, and ensures the transmission stability.

[0040] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations exist in any actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A worm reduction gear structure with a wedge gap adjusting assembly, characterized by, Include: The worm and the worm wheel are used to realize the transmission function of speed reduction and torque increase, convert the input high speed low torque power into low speed high torque power, meet the power demand of the equipment; The base is used to provide stable support and installation foundation for the speed reducer; The driving assembly is installed between the worm wheel and the base, which is used to provide power for the worm wheel, transmit power to the worm, and make the worm wheel rotate at a set speed and direction; The adjusting assembly is installed between the base and the driving assembly, which is used to adjust the center distance between the worm and the worm wheel.

2. The worm and gear speed reducer structure with a wedge gap adjusting assembly according to claim 1, characterized in that: The driving assembly includes a driver installed on the base, a wedge installed between the driver and the worm wheel, two first sliding grooves opened on the wedge, a same mounting bracket slidingly installed between the two first sliding grooves, and the worm wheel rotatingly installed on the mounting bracket. The output end of the driver is fixedly connected with one end of the worm wheel through the mounting bracket.

3. The worm and gear speed reducer structure with a wedge gap adjusting assembly according to claim 2, characterized in that: The driving assembly further includes a plurality of springs, one end of which is fixedly connected with the wedge and the other end of which is fixedly connected with the mounting bracket.

4. The worm and gear speed reducer structure with a wedge gap adjusting assembly according to claim 3, characterized in that: The adjusting assembly includes a second sliding groove opened on the base, the driver slidingly installed at the second sliding groove, an electric telescopic rod fixedly installed in the second sliding groove, and the output end of the electric telescopic rod fixedly connected with the driver.

5. The worm and gear speed reducer structure with a wedge gap adjusting assembly according to claim 4, characterized in that: The driver is fixedly installed with an infrared sensor.

6. The worm and gear speed reducer structure with a wedge gap adjusting assembly according to claim 5, characterized in that: The front and rear ends of the base are fixedly installed with mounting blocks, and the mounting blocks are movably installed with positioning bolts through threads.

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