阅读说明：本技术 一种用于控制轮系结构单向传动的辅助装置 (Auxiliary device for controlling one-way transmission of gear train structure ) 是由 王战江 王一博 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种用于控制轮系结构单向传动的辅助装置,其包括：侧立板、定位套筒、密封盖、花键套筒、轮系结构、定位螺钉、滑块、平键、密封圈、轴、弹簧顶杆、摩擦件、星轮、开槽螺钉和固定底座,本装置不直接参与传动,利用摩擦原理通过控制摩擦件与花键套筒内圈的摩擦来实现轮系结构的转动与止动,有效的控制了轮系结构传动装置的传动方向,解决了传动方向失效和工作安全问题,同时通过摩擦控制轮系结构的转动与止动降低了工作噪声,优化了工作环境,采用高摩擦系数材料并在摩擦表面开有网纹以增加摩擦力,以滑块控制摩擦件是否能参与工作实现两个不同方向的单方向转动控制；同时本装置拆卸方便,具有很强的实用价值和应用前景。(The invention discloses an auxiliary device for controlling one-way transmission of a gear train structure, which comprises: the device comprises a side vertical plate, a positioning sleeve, a sealing cover, a spline sleeve, a wheel train structure, a positioning screw, a sliding block, a flat key, a sealing ring, a shaft, a spring ejector rod, a friction piece, a star wheel, a slotted screw and a fixed base, wherein the device does not directly participate in transmission, the rotation and the locking of the wheel train structure are realized by controlling the friction between the friction piece and an inner ring of the spline sleeve by using a friction principle, the transmission direction of the transmission device of the wheel train structure is effectively controlled, the problems of failure of the transmission direction and working safety are solved, meanwhile, the working noise is reduced by controlling the rotation and the locking of the wheel train structure through friction, the working environment is optimized, a high-friction coefficient material is adopted, a reticulate is arranged on the friction surface to increase the friction force, and the sliding block is used for; meanwhile, the device is convenient to disassemble and has strong practical value and application prospect.)

1. An auxiliary device for controlling one-way transmission of a gear train structure is characterized by comprising: the star wheel comprises a fixed base, side vertical plates, a positioning sleeve, a sealing cover, a spline sleeve, a wheel train structure, a sliding block, a shaft, a spring ejector rod, a friction piece and a star wheel, wherein the side vertical plates are arranged at the top of the fixed base, the two ends of the shaft are respectively connected with the side vertical plates, the shaft is arranged in the positioning sleeve, the middle part of the shaft is matched with the star wheel, the positioning sleeve penetrates through the star wheel and axially positions the star wheel, a star wheel hole, a star wheel groove and a T-shaped groove are formed in the side surface of the star wheel, the spring ejector rod is arranged in the star wheel hole, the friction piece is arranged in the star wheel groove, the sliding block is clamped in the T-shaped groove and can slide relative to the star wheel, the friction piece can be abutted to push the friction piece to slide when the sliding block slides, a gap is formed between the star wheel and, spline sleeve passes through the splined connection in the inboard of train structure, sealed lid is annular and outer end and spline sleeve accordant connection, the inner and the location sleeve of sealed lid are sealed.

2. An auxiliary device for controlling one-way transmission of a wheel train structure according to claim 1, wherein the auxiliary device for controlling one-way transmission of the wheel train structure further comprises a positioning screw, the sliding block is provided with a screw hole, the positioning screw penetrates through the screw hole to fix the sliding block, and the sliding block is slidable relative to the T-shaped groove along the direction of the positioning screw.

3. An auxiliary device for controlling one-way transmission of a gear train structure according to claim 2, wherein the inner surface of the spline sleeve is provided with concave-convex lines, the concave-convex lines comprise grid lines, and the inner wall of the spline sleeve is coated with a wear-resistant material with a high friction coefficient.

4. An auxiliary device for controlling one-way transmission of a wheel train structure according to claim 3, wherein the outer surface of the friction member is provided with a concave-convex pattern, the concave-convex pattern comprises a grid pattern, and the outer surface of the friction member is coated with a wear-resistant material with a high friction coefficient.

5. An auxiliary device for controlling gear train structure one-way transmission according to claim 2, wherein the auxiliary device for controlling gear train structure one-way transmission further comprises a flat key, and the star wheel and the shaft are clamped into the key groove through the flat key to be mutually locked and fixed.

6. An auxiliary device for controlling one-way transmission of a gear train structure according to claim 2, wherein the sealing cover is in a cover shape, an inner thread is arranged on the inner side of the edge of the outer end of the sealing cover, an outer thread matched with the sealing cover is arranged on the inner end of the spline sleeve in a protruding mode in the axial direction, and the sealing cover is in threaded connection with the spline sleeve.

7. An auxiliary device for controlling one-way transmission of a gear train structure according to claim 6, wherein the auxiliary device for controlling one-way transmission of the gear train structure further comprises a sealing ring, the sealing cover and the positioning sleeve are sealed by the sealing ring, a sealing groove is concavely arranged on the inner side of the sealing cover, and the sealing ring is clamped into the sealing groove and is in interference fit with the sealing cover and the positioning sleeve respectively.

8. The auxiliary device for controlling one-way transmission of a gear train structure according to claim 4, wherein splines are formed at two ends of the shaft, key grooves are formed in the middle of the shaft, the side vertical plates are formed with spline holes, the side vertical plates and the two ends of the shaft are matched and fixed with each other through the splines, and the star wheel is matched and connected with the middle of the shaft through the key grooves.

9. The auxiliary device for controlling the one-way transmission of the gear train structure according to claim 4, wherein the positioning sleeve is sleeved between the side vertical plate and the star wheel, and the positioning sleeve sleeved in the middle of the shaft is directly contacted with the side surface of the star wheel.

10. The auxiliary device for controlling one-way transmission of a wheel train structure according to claim 4, wherein the auxiliary device for controlling one-way transmission of the wheel train structure further comprises a slotted screw, the fixing base is provided with a threaded hole, the bottom of the side vertical plate is provided with a unthreaded hole opposite to the threaded hole, and the slotted screw fixes the side vertical plate on the fixing base through the threaded hole and the unthreaded hole.

Technical Field

The invention relates to the technical field of gear train structure transmission, in particular to an auxiliary device for controlling gear train structure one-way transmission.

Background

At present, the gear train structure transmission is widely applied to various fields of mechanical transmission, and the problems of transmission direction control failure and safety caused by overload, misoperation and the like in the working process are endless. The failure of the transmission direction control can cause serious safety accidents and reduce the working efficiency, thereby threatening the personal safety and slowing down the working process. The traditional control method and the traditional arrangement for the transmission direction of the gear train structure are complex, and generate larger noise in the working process. This makes the device installation, change and dismantlement process comparatively complicated, and the production of work noise influences the work experience. The gear train structure transmission is widely applied to the field of mechanical transmission, and the structure of a control device is simplified while the transmission direction control effect is pursued, so that the noise is reduced.

Disclosure of Invention

The invention aims to provide an auxiliary device for controlling one-way transmission of a gear train structure, which can effectively control the direction of the gear train structure during transmission and prevent the failure of direction control during transmission. The effects of increasing transmission safety and improving working efficiency are achieved. Meanwhile, the structure is simple, the working noise is low, the installation and the disassembly are convenient, the working environment is optimized, and the practical value and the application prospect are very strong.

The embodiment of the invention is realized by the following steps:

an auxiliary device for controlling one-way transmission of a gear train structure comprises: the device comprises a fixed base, side vertical plates, a positioning sleeve, a sealing cover, a spline sleeve, a wheel train structure, a sliding block, a shaft, a spring ejector rod, a friction piece and a star wheel, wherein the side vertical plates are arranged at the top of the fixed base, the two ends of the shaft are respectively connected with the side vertical plates, the shaft is arranged in the positioning sleeve, the middle part of the shaft is matched with the star wheel, the positioning sleeve penetrates through the star wheel and axially positions the star wheel, the side surface of the star wheel is provided with a star wheel hole, a star wheel groove and a T-shaped groove, the spring ejector rod is arranged in the star wheel hole, the friction piece is arranged in the star wheel groove, the sliding block is clamped in the T-shaped groove and can slide relative to the star wheel, the friction piece can be abutted to push the friction piece to slide when the sliding block slides, the star wheel is arranged in the spline sleeve and has a gap with the inner side of the, the inner end of the sealing cover is sealed with the positioning sleeve.

In a preferred embodiment of the present invention, the auxiliary device for controlling the one-way transmission of the wheel train structure further includes a positioning screw, the sliding block is provided with a screw hole, the positioning screw passes through the screw hole to fix the sliding block, and the sliding block is slidable relative to the T-shaped groove along the direction of the positioning screw.

In a preferred embodiment of the present invention, the inner surface of the spline sleeve is provided with concave-convex lines, the concave-convex lines include grid lines, and the inner wall of the spline sleeve is coated with a wear-resistant material with a high friction coefficient.

In a preferred embodiment of the present invention, the outer surface of the friction member is provided with a concave-convex pattern, the concave-convex pattern includes a grid pattern, and the outer surface of the friction member is coated with a wear-resistant material with a high friction coefficient.

In a preferred embodiment of the present invention, the auxiliary device for controlling the unidirectional transmission of the wheel train structure further comprises a flat key, and the star wheel and the shaft are locked and fixed in the key slot by the flat key.

In a preferred embodiment of the present invention, the sealing cover is in a cover shape, an inner thread is disposed on an inner side of an edge of an outer end of the sealing cover, an outer thread matched with the sealing cover is convexly disposed on an inner end of the spline sleeve along an axial direction, and the sealing cover is in threaded connection with the spline sleeve.

In a preferred embodiment of the present invention, the auxiliary device for controlling the one-way transmission of the wheel train structure further includes a sealing ring, the sealing cover and the positioning sleeve are sealed by the sealing ring, a sealing groove is concavely disposed on an inner side of the sealing cover, and the sealing ring is clamped into the sealing groove and is in interference fit with the sealing cover and the positioning sleeve respectively.

In a preferred embodiment of the present invention, the two ends of the shaft are provided with splines, the middle of the shaft is provided with a key slot, the side vertical plate is provided with a spline hole, the side vertical plate and the two ends of the shaft are mutually matched and fixed through the splines, and the star wheel is matched and connected with the middle of the shaft through the key slot.

In a preferred embodiment of the present invention, the positioning sleeve is sleeved between the side vertical plate and the star wheel, and the positioning sleeve sleeved in the middle of the shaft directly contacts with the side surface of the star wheel.

In a preferred embodiment of the present invention, the auxiliary device for controlling the gear train structure to perform unidirectional transmission further includes a slotted screw, the fixing base is provided with a threaded hole, the bottom of the side vertical plate is provided with an unthreaded hole opposite to the threaded hole, and the slotted screw fixes the side vertical plate on the fixing base through the threaded hole and the unthreaded hole.

The invention has the beneficial effects that:

according to the invention, the side vertical plate is connected to the fixed table through the bolt, the side vertical plate does not directly participate in the transmission process, the rotation and the stop of the gear train structure are realized by utilizing a friction principle, the gear train structure and the spline sleeve have working surfaces at the same time, the gear train structure and the spline sleeve are not cast into a whole, the gear train structure and the spline sleeve are convenient to replace in a targeted manner after being damaged, the gear train structure and the spline sleeve are connected through the spline, the centering performance is better, the gear train structure can bear larger load, and the sealing cover plays a role in; the invention can protect the working environment of the friction contact surface, can work in a severe environment, greatly reduces the working noise by adopting the friction ratchet principle, can effectively realize the control of the transmission direction of the wheel train structure, has high reliability degree, is convenient to replace and disassemble, and has strong practical value and application prospect.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope.

FIG. 1 is a schematic view of an auxiliary device for controlling one-way transmission of a gear train structure according to the present invention;

FIG. 2 is a schematic left side cross-sectional view of the overall structure of the present invention;

FIG. 3 is a partially assembled semi-sectional view of the present invention;

FIG. 4 is a right side elevational view of the invention, partially assembled;

FIG. 5 is a right side view of the side riser of the present invention;

FIG. 6 is a right side view of the sealing cap of the present invention;

FIG. 7 is a cross-sectional view of the spline sleeve of the present invention;

FIG. 8 is a schematic view of a slider of the present invention;

FIG. 9 is a schematic view of a slider of the present invention;

FIG. 10 is an elevation view of the shaft of the present invention;

FIG. 11 is a top view of the stationary base of the present invention;

icon: 1. a side vertical plate; 2. a positioning sleeve; 3. a sealing cover; 4. a spline sleeve; 5. a gear train structure; 6. a set screw; 7. a slider; 8. a flat bond; 9. a seal ring; 10. a shaft; 11. a spring ejector rod; 12. a friction member; 13. a star wheel; 14. a slotted screw; 15. and fixing the base.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention 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 figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

First embodiment

Referring to fig. 1 and 2, the present embodiment provides an auxiliary device for controlling one-way transmission of a wheel train structure 5, which includes: the device comprises a fixed base 15, side vertical plates 1, a positioning sleeve 2, a sealing cover 3, a spline sleeve 4, a wheel train structure 5, a sliding block 7, a shaft 10, a spring ejector rod 11, two friction pieces 12, a star wheel 13, a positioning screw 6, a flat key 8, a sealing ring 9 and a slotted screw 14, wherein the fixed base 15 is fixed on a conventional device table through screws, the side vertical plates 1 are connected to the fixed base 15 through the slotted screws 14, the two sealing covers 3 are respectively connected with the spline sleeve 4 to realize sealing, the wheel train structure 5 is an annular structure for a gear, a chain wheel or a belt wheel, the wheel train structure 5 is connected with the spline sleeve 4 through a set spline structure, the star wheel 13 realizes axial positioning through the positioning sleeve 2, the sliding block 7 slides in a T-shaped groove of the star wheel 13 to control whether the friction piece 12 participates in work, the device realizes transmission one-way control by friction, and controls the wheel train structure 5 to rotate and lock by the friction, because the device utilizes the friction to realize so work small in noise of control effect, simultaneously, the connection structure of device makes this embodiment change, dismantle convenient.

Referring to fig. 2, 5, 10 and 11, the side vertical plate 1 is installed on the top of the fixing base 15, the fixing base 15 is provided with a threaded hole, the side vertical plate 1 is L-shaped, the bottom of the side vertical plate is provided with a unthreaded hole opposite to the threaded hole, the slotted screw 14 fixes the side vertical plate 1 on the fixing base 15 through the threaded hole and the unthreaded hole, and the side vertical plate 1 is welded with a rib plate structure to reinforce the strength of the side vertical plate 1; the both ends of axle 10 have been seted up the spline respectively and the middle part is equipped with the keyway, the both ends of axle 10 are connected side board 1 respectively, side board 1 has seted up the splined hole, two splined hole positions are relative and are in horizontal position, side board 1 matches fixedly through the spline with the both ends of axle 10 each other, the keyway is the concave formation of establishing in middle part of axle 10, star gear 13 passes through the keyway and is connected with the middle part accordant connection of axle 10, star gear 13 is concave to be equipped with the groove of card income parallel key 8 in the relative position of keyway, star gear 13 and axle 10 pass through parallel key 8 card and go into interlocking fastening in the keyway and decide, star gear 13 utilizes parallel key 8 to realize being connected and circumferential location with axle 10, star gear 13 is provided with the through-hole that supplies axle 10 to pass through, axle 10 passes star gear 13 and to star gear 13 axial location, axle 10 sets up in positioning sleeve 2 and be the axle sleeve coupling, positioning sleeve 2 covers between side direct contact with 13 at the.

Referring to fig. 3, 4, 8 and 9, a plurality of star wheel holes, a plurality of star wheel grooves and a T-shaped groove are formed in the side surface of the star wheel 13, a spring ejector rod 11 is installed in the star wheel hole, a spring is arranged in the star wheel hole, one end of the spring ejector rod 11 is integrally connected with a friction piece 12, the other end of the spring ejector rod 11 is inserted into the star wheel hole, the star wheel hole is communicated with the T-shaped groove, the T-shaped groove is communicated with the star wheel grooves, the friction piece 12 is in a block shape and matched with the star wheel grooves, the outer surface of the friction wheel and the side surface of the star wheel 13 form an arc surface, the friction piece 12 is arranged in the star wheel grooves, and the friction piece 12 controls unidirectional rotation; the sliding block 7 is in an irregular block shape, the sliding block 7 comprises two parts, namely a T-shaped end and a sheet-shaped end, the T-shaped end is connected to the sheet-shaped end, a T-shaped structure formed by the T-shaped end is integrally perpendicular to the sheet-shaped end, the sheet-shaped end is provided with a screw hole to be connected with a positioning screw 6, the positioning screw 6 penetrates through the screw hole to fix the sliding block 7, the sliding block 7 can slide relative to the T-shaped groove along the direction of the positioning screw 6, the sliding block 7 is clamped in the T-shaped groove and can slide relative to a star wheel 13, the sliding block 7 can push a friction piece 12 to abut against and push the friction piece to slide so as to push the outer surface of the friction piece 12 to press the inner wall of the spline sleeve 4, the outer surface of the friction piece 12 is provided with a grid pattern, the outer surface of the friction piece 12 is coated with a wear-resistant material with, the star wheel 13 is arranged in the spline sleeve 4 and has a clearance with the inner side of the spline sleeve 4, so that the wear resistance when the outer surface of the friction piece 12 is in contact friction with the inner wall of the spline sleeve 4 is enhanced.

Referring to fig. 6 and 7, the spline sleeve 4 is connected to the inner side of the wheel train structure 5 through a spline, the spline sleeve 4 is annular, the outer end of the ring is provided with a spline with different concave and convex shapes, the wheel train structure 5 is annular, the inner side of the wheel train structure is provided with a spline matched with the outer end of the spline sleeve 4, the spline sleeve 4 and the wheel train structure 5 are connected in a matching manner through the spline, the spline sleeve 4 is provided with a circular through hole along the radial direction, the wheel train structure 5 is provided with a corresponding circular through hole on the spline sleeve 4, the circular through hole on the spline sleeve 4 is communicated with the circular through hole on the wheel train structure 5 for discharging friction debris, the spline sleeve 4 is symmetrical left and right along the vertical direction, the part connected with the wheel train structure 5 is the middle part, the middle parts on both sides of the spline sleeve 4 are protruded along the axial direction, the outer edges of the protruded parts are, the outer end of sealed lid 3 is connected fixedly through screw thread and spline sleeve 4, utilize sealed lid 3 to realize the axial positioning of train structure 5, spline sleeve 4's both sides are connected with sealed lid 3 respectively, it has realized the sealed protection of the operational environment of friction part 12, sealed lid 3's the inner is sealed with positioning sleeve 2, sealed lid 3 and positioning sleeve 2 are sealed through sealing washer 9, the inboard concave sealed slot that is equipped with of sealed lid 3, sealing washer 9 card go into sealed ditch inslot and respectively with sealed lid 3 and positioning sleeve 2 interference fit, sealed lid 3 is connected when the positioning sleeve 2 outside, sealing washer 9 will seal sealed lid 3 and 2 outside seals of positioning sleeve.

In summary, the side vertical plate is connected to the fixed table through the bolt, the side vertical plate does not directly participate in the transmission process, the wheel train structure is rotated and stopped by utilizing the friction principle, the wheel train structure and the spline sleeve have working faces at the same time, the wheel train structure and the spline sleeve are not cast into a whole, the wheel train structure and the spline sleeve are convenient to replace in a targeted manner after being damaged, the wheel train structure and the spline sleeve are connected through the spline, the centering performance is good, the wheel train structure can bear large load, and the sealing cover plays a role in axially positioning the wheel train structure while realizing sealing; the invention can protect the working environment of the friction contact surface, can work in a severe environment, greatly reduces the working noise by adopting the friction ratchet principle, can effectively realize the control of the transmission direction of the gear train structure and has high reliability.

This description describes examples of embodiments of the invention, and is not intended to illustrate and describe all possible forms of the invention. It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.