CN115370731A

CN115370731A - Speed reducer with automatic opening and closing machine cover and control method

Info

Publication number: CN115370731A
Application number: CN202211006684.7A
Authority: CN
Inventors: 郑克让; 颜国库; 杨绍俊
Original assignee: Zhongqun Zhejiang Transmission Machinery Co ltd
Current assignee: Zhongqun Zhejiang Transmission Machinery Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-22
Anticipated expiration: 2042-08-22
Also published as: CN115370731B

Abstract

The application discloses a speed reducer with an automatically openable cover and a control method, the speed reducer comprises a base, a cover, a worm wheel, a worm and an automatic opening mechanism, wherein the automatic opening mechanism comprises a jacking unit, a locking unit and a driving control unit; the mechanical bin is arranged on the outer wall of the base; the lid is followed, its integrated into one piece setting corresponds with mechanical storehouse on the cover outer wall, cover one end passes through hinge swing joint with the frame, in daily use, through adopting above-mentioned technical scheme, when needing to open the cover, the drive control unit starts, control locking mechanism removes the locking connection between cover and the frame, the cover jack-up is followed with the jacking unit, when closing the cover, the drive control unit control jacking unit puts down the cover, then carries out the locking by locking mechanism to frame and cover.

Description

Speed reducer with automatic opening and closing machine cover and control method

Technical Field

The invention relates to a speed reducer with an automatically openable cover and a control method.

Background

The speed reducer is an independent closed transmission device between a prime motor and a working machine, is used for reducing the rotating speed and increasing the torque so as to meet the working requirement, and is also used for increasing the speed in some occasions, namely the speed reducer. When the speed reducer is selected, the most suitable speed reducer is selected according to factors such as selection conditions of a working machine, technical parameters, performance of a power machine, economy and the like and by comparing the overall dimensions, transmission efficiency, bearing capacity, quality, price and the like of the speed reducers of different types and varieties. A reduction gear is a relatively precise machine, and its purpose is to reduce the rotational speed and increase the torque. However, the base and the cover of the existing speed reducer need to be unscrewed at multiple positions to realize disassembly, so that the efficiency is poor and inconvenient, the worm and gear in the base are inconvenient to maintain, and the connecting structure of the base and the cover is directly exposed outside and is easy to damage or corrode, so that the base and the cover cannot be normally separated, and therefore improvement is necessary.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art.

The application provides a speed reducer with can automatic cover and control method that open and shut, including frame, cover, worm wheel and worm, still include:

the automatic opening mechanism comprises a jacking unit, a locking unit and a driving control unit;

the drive control unit is in power connection with the jacking unit and the locking unit and is used for controlling the jacking unit to put down the cover, the locking unit to lock the base and the cover or controlling the locking unit to release the locking of the base and the cover, and then the jacking unit jacks up the cover.

Further comprising:

the mechanical bin is arranged on the outer wall of the machine base;

the cover edge is integrally formed on the outer wall of the machine cover and corresponds to the mechanical bin;

the automatic opening mechanism is installed in the mechanical bin, and one end of the cover is movably connected with the base through a hinge.

The jacking unit includes:

the lifting groove penetrates through the top of the mechanical bin from top to bottom and is far away from the hinge end, and the bottom end of the lifting groove extends into the inner cavity of the mechanical bin;

and the jacking piece is vertically and slidably arranged in the lifting groove and driven to lift by the driving control unit.

The jacking unit still includes:

the sliding groove is arranged on the bottom surface of the cover edge, one end of the sliding groove corresponds to the lifting groove, and the other end of the sliding groove extends to the end far away from the hinge;

the sliding rail is T-shaped and is fixedly arranged at the end of the sliding groove corresponding to the lifting groove;

the pair of side plates are integrally arranged on the opposite side of the top end of the jacking piece, the top end of the side plates extends into the sliding groove, and the inner side wall of the top end is in sliding butt joint with the side wall of the sliding rail;

and the pair of sliding columns are fixedly arranged on the inner walls of the opposite sides of the pair of side plates and are in sliding fit with the sliding rails.

The jacking piece comprises:

the same last jacking frame of structure and jacking frame down, it includes following structure:

a main body, one end of which is provided with a vertical groove;

the fixture block is arranged at the bottom end of the vertical groove;

the clamping blocks on the upper jacking frame and the lower jacking frame are respectively installed in the vertical grooves of the opposite sides in a sliding mode, and the clamping blocks are prevented from being separated from the vertical grooves through the anti-falling pieces.

The locking unit includes:

the through groove penetrates through the cover edge from top to bottom and is positioned between the jacking unit and the hinge;

the clamping frame comprises a fixing part fixedly arranged on the bottom surface of the cover edge, and the bottom end of the fixing part penetrates through the through groove and extends into the mechanical bin, and a clamping part integrally formed on one side of the bottom end of the fixing part;

the locking frame is movably arranged in the mechanical bin through a rotating shaft, one end of the locking frame is provided with a clamping block used for clamping with the clamping part, and the other end of the locking frame is connected with a transmission part;

the transmission member is in intermittent transmission connection with the drive control unit and is used for enabling the locking frame to swing around the rotating shaft along with the operation of the drive control unit.

The driving medium includes:

the fixed disc is fixedly arranged on the inner wall of the mechanical bin;

the linkage disc is detachably and rotatably arranged on the fixed disc;

the linkage teeth are arranged on the peripheral wall of the side of the linkage disc;

the linkage groove is arranged at the end, far away from the clamping block, of the locking frame;

the linkage column is arranged at the surface eccentric position of the linkage disc and is in transmission fit with the linkage groove;

and the intermittent linkage pieces are arranged on the drive control unit and are used for being in intermittent transmission connection with the linkage teeth.

The drive control unit includes:

the transmission rotating shaft is rotatably arranged in the mechanical bin;

the transmission worm wheel is fixedly arranged on the transmission rotating shaft;

the transmission worm is in transmission connection with the transmission worm wheel and is driven to rotate by a motor;

a transmission disk fixedly mounted on the transmission shaft and having transmission teeth integrally formed on the outer peripheral side

And the power transmission piece comprises a bendable section which is in transmission fit with the transmission teeth and is connected with the bottom of the jacking piece and a straight section for mounting the intermittent linkage piece.

The drive control unit further includes:

the first sensor is used for sensing whether the clamping block and the clamping part are in a contact state or not;

the second sensor is used for sensing whether the bottom end of the upper lifting frame is in a contact state with the bottom of the clamping block or not;

the third sensor is used for sensing whether the bottom end of the clamping block of the lower fixed lifting frame is in a contact state with the bottom end of the vertical groove of the upper jacking frame or not;

the fourth sensor is used for sensing whether the sliding column is in a contact state with the sliding rail;

the controller is electrically connected with the first sensor, the second sensor, the third sensor, the fourth sensor and the motor;

the starting device is electrically connected with the controller.

Simultaneously, the control method of the speed reducer capable of automatically opening the cover is disclosed, and comprises the following steps:

s1, starting a program: sending an electric signal to a controller through a starting device, and starting an operation program by the controller;

s2, detecting the state of the machine cover: when the sensing result of the first sensor is yes, the sensing result of the second sensor is no, the sensing result of the third sensor is yes and the sensing result of the fourth sensor is yes, the step S3 is executed; when the sensing result of the first sensor is negative, the sensing result of the second sensor is positive, the sensing result of the third sensor is negative, and the sensing result of the fourth sensor is negative, the step S4 is executed;

s3, opening a cover: the controller controls the motor to rotate clockwise, the transmission worm wheel, the transmission rotating shaft and the transmission disc correspondingly move, the power transmission piece moves towards the jacking piece, the intermittent linkage piece is in transmission connection with the linkage teeth while pushing the jacking piece to ascend, the linkage disc correspondingly moves, the linkage column slides in the linkage groove and pushes the locking frame to rotate anticlockwise around the rotating shaft until the sensing result of the first sensor is changed from yes to no, the sensing result of the second sensor is changed from yes, the sensing result of the first sensor is changed from yes to no, and the step S5 is carried out;

s4, closing the machine cover: the controller controls the motor to rotate anticlockwise, the transmission worm wheel, the transmission rotating shaft and the transmission disc correspondingly move, the power transmission piece moves towards the jacking piece, the intermittent linkage piece and the linkage teeth are in a non-transmission state when the jacking piece descends, the linkage disc correspondingly moves, the linkage column slides in the linkage groove and pushes the locking frame to rotate clockwise around the rotating shaft until the sensing result of the first sensor is changed from yes to yes, the sensing result of the second sensor is changed from yes to no, the sensing result of the first sensor is changed from no to yes, and the step S5 is carried out;

s5, stopping operation: the controller controls the motor to stop running.

The invention has the following beneficial effects:

1. through the arrangement of the jacking unit, the locking unit and the driving control unit, after the driving control unit drives the locking unit to unlock the base and the cover, the jacking unit is driven to jack the cover so that the cover is opened, or after the jacking unit is driven to put down the cover, the locking unit is driven to lock the cover, so that a worker can conveniently open the cover and maintain components in the base;

2. the jacking unit, the locking unit and the drive control unit are all positioned in the mechanical bin, when the mechanical bin is closed, the cover on the cover is arranged at the top of the mechanical bin along the cover, so that the inner wall space of the mechanical bin is sealed, effective protection can be provided for the jacking unit, the locking unit and the drive control unit, and the situation that the jacking unit, the locking unit and the drive control unit cannot normally operate due to collision of foreign objects or influence of corrosion is prevented;

3. through the arrangement of the lifting groove, the jacking piece, the sliding groove, the sliding rail, the pair of side plates and the pair of sliding columns, the jacking piece is pushed by the driving control unit, when the jacking piece rises to a top point in the lifting groove, the pair of sliding columns are separated from the sliding rail, the locking of the cover is thoroughly released at the moment, the cover can be continuously turned over in a manual mode until the top of the machine base is completely opened, when the jacking piece descends in the lifting groove, the pair of sliding columns are matched with the sliding rail until the jacking piece descends to a bottom point, the locking of the cover far away from the hinge end is realized through the matching of the pair of sliding columns and the sliding rail, and the tightness of the connection between the cover and the machine base is improved;

4. through the arrangement of the through groove, the clamping frame with the clamping part, the locking frame with the clamping block, the fixed disc, the linkage teeth, the linkage groove, the linkage column and the intermittent linkage piece, when the drive control unit drives the jacking unit to jack up the machine cover or put down the machine cover, the locking frame can enable the clamping block and the clamping part to be disengaged from clamping in advance before the machine cover is jacked up or enable the clamping frame to be in clamping fit with the clamping block after the machine cover is put down;

drawings

Fig. 1 is a schematic view of an internal structure of a reducer with an automatically openable cover in an embodiment of the present application;

FIG. 2 is a schematic diagram of an embodiment of an automatic opening system;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along the line C-C in FIG. 3;

FIG. 5 is an enlarged view of a portion B of FIG. 2;

FIG. 6 is a schematic structural view showing a state where a fixing plate and a linking plate are engaged in the embodiment of the present application;

FIG. 7 is a schematic diagram of a reset groove structure in an embodiment of the present application

Fig. 8 is a diagram illustrating a connection distribution of electronic components according to an embodiment of the present application.

Reference numerals

101-base, 102-cover, 103-mechanical bin, 104-cover edge, 105-hinge, 2-lifting unit, 201-lifting groove, 202-sliding groove, 203-sliding rail, 204-side plate, 205-sliding column, 3-locking unit, 301-through groove, 302-fixing part, 303-locking frame, 304-clamping part, 305-clamping block, 4-driving control unit, 401-transmission rotating shaft, 402-transmission worm gear, 403-transmission worm, 404-motor, 405-transmission disc, 406-transmission tooth, 407-arc section, 408-horizontal section, 5-lifting part, 501-main body, 502-vertical groove, 503-clamping block, 6-transmission part, 601-fixing disc, 602-linkage disc, 603-linkage tooth, 604-linkage groove, 605-linkage column, 606-side wall plate, 607-limit groove, 609-first fastener, 610-extension part, 611-opening part, 612-reset part, fixing block-spring second, 7-spring, 613-linkage block, 7-intermittent linkage column, 701-limit groove, 902-side wall plate, 607-limit groove, 609-mounting groove, 609-first fastener, 610-extension part, 611-extension part, 612-reset part, sliding block-spring second fastener, 7-spring-joint block, 7-intermittent linkage block, 701-lifting groove, 802-lifting part, 802-vertical groove, 802-9-notch part, 802-vertical groove, and straight-vertical groove, 3-sliding groove, and straight section.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Example 1:

as shown in fig. 1 to fig. 3, the embodiment of the present application provides a speed reducer with a cover capable of being automatically opened and closed and a control method, including a base 101, a cover 102, a worm wheel and a worm, and further including an automatic opening mechanism, which includes a jacking unit 2, a locking unit 3 and a driving control unit 4, wherein the driving control unit 4 is in power connection with the jacking unit 2 and the locking unit 3, and is used for controlling the jacking unit to put down the cover 102, and then the locking unit 3 locks the base 101 and the cover 102, or controlling the locking unit 3 to release the locking of the base 101 and the cover 102, and then the jacking unit 2 jacks up the cover 102.

Further, the device also comprises a mechanical bin 103 which is arranged on the outer wall of the base 101; the cover edge 104 is integrally formed on the outer wall of the cover 102 and corresponds to the mechanical bin 103, the automatic opening mechanism is installed in the mechanical bin 103, and one end of the cover 102 is movably connected with the base 101 through a hinge 105.

In this embodiment of the present application, because the above-mentioned structure is adopted, when the cover 102 needs to be opened, the driving control unit 4 is started, the jacking unit 2 and the locking unit 3 are driven to operate, the locking unit 3 is made to firstly remove the fixation between the cover 102 and the base 101, then the jacking unit 2 is lifted, the cover 102 is jacked away from the hinge 105 end, the cover 102 is made to be opened, when the cover 102 is closed, the driving control unit 4 is started, the jacking unit 2 is made to descend, the cover 102 is put down, the bottom surface of the cover 102 and the cover edge 104 are respectively in contact with the top surface of the base 101 and the top surface of the machinery compartment 103, then the locking unit 3 fixes the cover 102, the cover 102 is made to be closed, and as shown in fig. 2, the jacking unit 2, the locking unit 3 and the driving control unit 4 are all arranged in the machinery compartment 103, when the cover 102 is closed, the cover edge 104 is arranged on the top of the machinery compartment 103, so that a closed space is formed inside the machinery compartment 103, and a phenomenon that the jacking unit 2, the locking unit 3 and the locking unit 4 are collided by foreign objects or corroded by corrosive liquid or the corrosive liquid is made to cause the cover 102 to be oxidized and cannot work normally, and the cover 102 is difficult to be opened can be avoided.

It should be noted that how the worm wheel and the worm in the base 101 move in a matching manner is a common knowledge in the art, and therefore, the details are not described again, and in order to achieve good fixing and smooth opening and closing of the two sides of the cover 102, the mechanical bin 103 and the corresponding automatic opening mechanism may be disposed on the outer wall of the opposite side of the base 101.

Example 2:

as shown in fig. 3 and 4, in this embodiment, in addition to the structural features of the previous embodiment, further, the jacking unit 2 includes a lifting slot 201 which extends vertically through the top of the machinery chamber 103 and is far from the hinge 105, and the bottom end extends into the inner cavity of the machinery chamber 103; and the jacking piece 5 is vertically and slidably arranged in the lifting groove 201 and driven to lift by the driving control unit 4.

Further, the jacking unit 2 further comprises a sliding chute 202, which is arranged on the bottom surface of the cover edge 104, one end of which corresponds to the lifting chute 201, and the other end of which extends to the end far away from the hinge 105; the sliding rail 203 is T-shaped and is fixedly arranged at the end of the sliding groove 202 corresponding to the lifting groove 201; a pair of side plates 204 which are integrally formed and arranged at the opposite side of the top end of the jacking piece 5, the top end of each side plate extends into the sliding groove 202, and the inner side wall of the top end is in sliding butt joint with the side wall of the sliding rail 203; and a pair of sliding columns 205 fixedly arranged on the inner walls of the opposite sides of the pair of side plates 204 and in sliding fit with the sliding rails 203.

Further, the jacking piece 5 comprises an upper jacking frame and a lower jacking frame which have the same structure and both comprise a main body 501; a vertical groove 502 communicating the outer wall of one side of the main body 501 and the bottom end face; and the clamping blocks 503 are arranged at the bottom ends of the vertical grooves 502, the clamping blocks 503 on the upper jacking frame and the lower jacking frame are respectively and slidably installed in the vertical grooves 502 of the other jacking frame, and the clamping blocks 503 are prevented from being separated from the vertical grooves 502 by the anti-separation piece 8.

Further, the anti-slip member 8 includes an anti-slip groove, which includes a sliding portion 801 disposed on the inner side wall of the vertical groove 502 and a recessed portion 802 disposed on the outer side wall of the main body 501 and communicated with the vertical groove 502; one end of the second fastening member 803 is movably inserted through the recessed portion 802 and the sliding portion 801 and then fixedly connected with the corresponding fixture block 503, the anti-drop groove is parallel to the vertical groove 502, and the diameter of the cross section of the second fastening member 803 far away from the end of the fixture block 503 is larger than the width of the sliding portion 801 and is in sliding fit with the recessed portion 802.

In this embodiment of the present application, due to the above structure, when the cover 102 needs to be opened, the driving control unit 4 pushes the lower lifting frame to ascend, so that the blocks 503 on the upper lifting frame and the lower lifting frame respectively slide in the corresponding vertical slots 502, the bodies 501 approach each other, meanwhile, the middle part of each second fastening member 803 slides in the sliding part 801, and one end far from the blocks 503 slides in the recessed part 802, in this process, the locking mechanism in transmission connection with the driving control unit 4 releases the locking between the cover 102 and the base 101, along with the continuous operation of the driving control unit 4, the lifting member 5 composed of the upper lifting frame and the lower lifting frame ascends in the lifting slot 201, so as to push the cover 102 to rotate around its hinge 105, meanwhile, the pair of side plates 204 slide in the sliding slot 202 towards the end far from the sliding rail 203, the pair of sliding posts 205 slide along with the direction far from the sliding rail 203, along with the continuous operation of the lifting member 5, the pair of sliding posts 205 are separated from the contact with the sliding rail 203, the palm of the driving control unit 4 stops operating, the locking operation is stopped, the cover 102 is completely separated from the base 101, and the operator can open the gap between the cover 102, and the cover 102 can be completely inserted into the base 101;

when the cover 102 is closed and the cover 102 needs to be closed, a worker turns over the cover 102 to make the end of the cover 102 far from the hinge 105 close to the jacking member 5 until the top end of the jacking member 5 enters the sliding groove 202 and is far from the end of the sliding rail 203, then pulls the palm away from the cover 102 and is far from the gap between the end of the hinge 105 and the base 101, then starts the driving control unit 4 to drive the jacking member 5 to descend, the cover 102 descends around the hinge 105 along with the descending of the jacking member 5, the pair of side plates 204 gradually approach the sliding rail 203 in the sliding groove 202 until the inner walls of the opposite sides of the pair of side plates 204 are in sliding contact with the outer walls of the sliding rail 203, the pair of sliding columns 205 are also in sliding fit with the sliding rail 203, and along with the continuous descending of the jacking member 5, the top surface of the cover plate and the cover edge 104 are respectively abutted against the top surface of the base 101 and the top surface of the machinery chamber 103, the top end of the lifting groove 201 is closed, at this time, the locking unit 3 fixes the cover 102 and the base, the driving control unit 4 continues to operate, the lower lifting frame in the lifting piece 5 continues to descend in the lifting groove 201, the clamping blocks 503 on the upper lifting frame and the lower lifting frame respectively slide in the corresponding vertical grooves 502, the bodies 501 are far away from each other, meanwhile, the middle part of each second fastening piece 803 slides in the sliding part 801, one end far away from the clamping block 503 slides in the concave part 802 until the adjacent end faces of the clamping blocks 503 are abutted against each other, at this time, the driving control unit 4 stops operating, the pair of sliding columns 205 applies a pulling force towards the vertical grooves 502 to the sliding rails 203, and one end, far away from the hinge 105, of the cover 102 is fixed, so that the installation of the cover 102 is more stable;

in a preferred embodiment, the second fastening member 803 is a bolt, a threaded end of the bolt is movably inserted through the sliding portion 801 and then fixedly connected with the corresponding fixture block 503 through threads, at this time, a nut end of the bolt far from the fixture block 503 is located in the recessed portion 802, the bolt is a hexagon socket head cap screw, so that the outer wall of the nut end of the bolt can be in sliding fit with the side wall of the recessed portion 802, a wear pad is arranged between the nut end of the bolt and the bottom surface of the recessed portion 802 to reduce friction loss when the nut end of the bolt slides in the recessed portion 802, and each fixture block 503 is provided with a screw hole for the threaded end of the bolt to be installed in a matching manner.

Example 3:

as shown in fig. 2 and fig. 5 to 7, in the present embodiment, in addition to the structural features of the previous embodiment, further, the locking unit 3 includes a through slot 301, which penetrates the cover rim 104 up and down, and is located between the jacking unit 2 and the hinge 105; the clamping frame comprises a fixing part 302 which is fixedly arranged on the bottom surface of the cover edge 104, the bottom end of the fixing part passes through the through groove 301 and extends into the mechanical bin 103, and a clamping part 304 which is integrally formed on one side of the bottom end of the fixing part 302; and the locking frame 303 is movably arranged in the mechanical bin 103 through a rotating shaft, one end of the locking frame is provided with a clamping block 305 used for clamping with the clamping part 304, the other end of the locking frame is connected with a transmission piece 6, and the transmission piece 6 is in intermittent transmission connection with the driving control unit 4 and used for enabling the locking frame 303 to swing around the rotating shaft along with the operation of the driving control unit 4.

Further, the transmission member 6 includes a fixed disc 601 fixedly mounted on the inner wall of the machinery chamber 103; a linkage disk 602 detachably rotatably mounted on the fixed disk 601; a plurality of coupling teeth 603 provided on a peripheral wall of the coupling disc 602 side; the linkage groove 604 is arranged at the end, far away from the clamping block 305, of the locking frame 303; the linkage column 605 is arranged at the eccentric position on the surface of the linkage disc 602 and is in transmission fit with the linkage groove 604; and a plurality of intermittent linkage members 7 which are arranged on the driving control unit 4 and are used for being in intermittent transmission connection with the linkage teeth 603.

Further, the transmission member 6 further comprises a side enclosing plate 606 which is integrally formed on the inner side wall of the linkage disc 602 and is in rotating fit with the fixed disc 601; a limit groove 607 provided on one side of the outer peripheral wall of the link plate 602; a limit slider 614 slidably mounted in the limit groove 607; a mounting groove 608 disposed on the side wall 606; a first fastener 609 which is movably inserted through the mounting groove 608 and then fixedly connected with the limit sliding block 614; the reset groove is arranged on the side, far away from the limiting groove 607, of the outer peripheral wall of the linkage disc 602 and comprises an extending part 610 and an opening part 611; a reset fixing block 612 integrally formed on the inner side wall of the side wall plate 606 and slidably matched with the extension part 610; and a second spring 613 disposed between the reset fixing block 612 and one end of the extending portion 610 far from the opening 611.

The intermittent link 7 includes a groove 701 provided on the drive control unit 4; a lifting block 702 vertically slidably mounted in the groove 701; the first spring 703 is arranged between the bottom end of the lifting block 702 and the bottom end of the groove 701; and a slope 704 provided on a side wall of the lifting block 702 away from the jacking unit 2.

Further, the driving control unit 4 includes a transmission rotating shaft 401, which is rotatably installed in the mechanical chamber 103; a driving worm wheel 402 fixedly mounted on the driving rotation shaft 401; a driving worm 403, which is in driving connection with the driving worm wheel 402 and is driven to rotate by a motor 404; a transmission disk 405 fixedly mounted on the transmission shaft 401 and having transmission teeth 406 integrally formed on the outer peripheral side thereof; the power transmission element comprises a bendable section which is in driving fit with the driving tooth 406 and is connected with the bottom of the jacking piece 5 and a straight section 10 for installing the intermittent linkage piece 7.

Further, the bendable sections comprise a plurality of connecting blocks 901 which are hinged end to end; and a plurality of transmission notches 902 are respectively arranged on each connecting block 901 and are used for being in transmission connection with the transmission teeth 406.

The drive control unit 4 further comprises a guide frame comprising an arc-shaped section 407 and a horizontal section 408, wherein one end of the arc-shaped section 407 extends to the bottom end of the through slot 301, the other end is connected with one end of the horizontal section 408, the bendable section 9 slides between the horizontal section 408 and the arc-shaped section 407, and the straight section 10 slides on the horizontal section 408.

In this embodiment of the application, due to the above structure, when the cover 102 needs to be opened, the motor 404 rotates clockwise, the transmission worm 403 and the transmission worm wheel 402 cooperate to drive the transmission rotation shaft 401 to rotate, so that the transmission disc 405 moves along with the rotation, the transmission teeth 406 cooperate with the transmission notches 902 on the connection blocks 901 to move the bendable section on the arc-shaped section 407 towards the lifting element 5, and simultaneously, the straight section 10 also slides horizontally on the horizontal section 408, in this process, each lifting block 702 in each groove 701 on the straight section 10 cooperates with the linkage teeth 603 on the outer circumferential wall of the linkage disc 602 to push the linkage disc 602 to rotate clockwise, the limit block 614 slides in the limit groove 607, the reset fixing block 612 slides in the reset groove, the spring two 613 is squeezed to deform, elastic potential energy is stored, the linkage column 605 on the linkage disc 602 rotates along with the rotation of the linkage disc 602, sliding in the linkage groove 604, the side wall plate 606 rotating with the linkage disc 602, meanwhile, pushing the locking frame 303 to rotate counterclockwise around the rotation shaft through the linkage groove 604 until the clamping block 305 on the locking frame 303 is separated from the clamping part 304 on the clamping frame, the motor 404 continuing to operate, causing the top end of the jacking piece 5 to jack up the cover 102 away from the hinge 105 end, causing the clamping frame to turn over around the hinge 105 with the cover 102 along with the cover edge 104 until the clamping part 304 at the bottom of the clamping frame enters the through groove 301, at this time, each lifting block 702 is separated from the meshing with the linkage teeth 603, the spring two 613 releases elastic potential energy to generate kinetic energy, pushing the reset sliding column 205 to slide in the reset groove, driving the side wall plate and the linkage disc 602 to rotate counterclockwise, the linkage column 605 on the linkage disc 602 sliding in the linkage groove 604 along with the rotation of the linkage disc 602, the side wall plate 606 rotating with the linkage disc 602, meanwhile, the locking frame 303 is pushed to rotate clockwise around the rotating shaft through the linkage groove 604 and return to the initial position, the limit sliding block 614 is abutted with one end of the limit groove 607, at the moment, the position of the clamping block 305 is positioned below the through groove 301, the end, far away from the hinge 105, of the cover 102 is jacked up by the jacking piece 5, and the cover 102 is opened;

when the cover 102 is closed, the motor 404 rotates counterclockwise, the transmission rotating shaft 401 is driven to rotate by the cooperation of the transmission worm 403 and the transmission worm wheel 402, the transmission disc 405 moves along with the rotation, the transmission tooth 406 is matched with the transmission notch 902 on each connecting block 901, so that the bendable section moves towards the horizontal section 408 on the arc-shaped section 407, meanwhile, the straight section 10 also slides horizontally on the horizontal section 408, in the process, the inclined plane 704 at the top end of each lifting block 702 in each groove 701 arranged on the straight section 10 is matched with the linkage teeth 603 on the outer peripheral wall of the linkage disc 602 to push the lifting block 702 passing through the lower part of the linkage disc 602 to retract into the groove 701, and under the action of the first spring 703, when the lifting block 702 is far away from the linkage teeth 603, the top end of the cover extends out of the groove 701, the linkage disc 602 can not rotate continuously in the anticlockwise direction because the limit sliding block 614 is abutted with one end of the limit groove 607 at the moment, the motor 404 continues to operate, the top end of the jacking piece 5 enters the lifting groove 201, the bottom surface and the cover edge 104 of the cover 102 are respectively abutted with the top surface of the base 101 and the top surface of the mechanical bin 103, in the process, the clamping part 304 at the bottom end of the clamping frame is gradually close to the clamping block 305 at the top end of the locking frame 303, and as the clamping frame continues to descend, the bottom surface of the clamping part 304 contacts with the top surface of the clamping block 305 to push the clamping block 305, so that the locking frame 303 swings anticlockwise around the rotating shaft, the driving disc 405 is driven to rotate clockwise through the cooperation of the linkage groove 604 and the linkage column 605, the reset sliding column 205 slides in the reset groove, the second spring 613 is pressed to deform until the clamping part 304 descends to the position below the clamping block 305, the second spring 613 releases elastic potential energy to generate kinetic energy, so that the driving disc 405, the linkage groove 604, the linkage column 605 and the locking frame 303 move along with the elastic potential energy, the clamping block 305 is close to the clamping part 304, and clamping is completed;

it should be described in detail that, the worm gear 402 and the screw 403 can be self-locked when stopping, when the cover 102 is opened, the top end of the lifting member 5 can be higher than the top of the base 101, so that when the worker lifts or puts down the cover 101, the end of the lifting member 5 away from the hinge 105 can keep a safety gap when the motor 404 does not operate, and when the cover 101 is closed, the motor 404 stops operating, and the lifting unit 2 and the locking unit 3 cannot operate to unlock the cover 101.

Example 4:

further, the driving control unit 4 further includes a first sensor, disposed on the clamping block 305 or the engaging portion 304, for sensing whether the clamping block 305 and the engaging portion 304 are in a contact state; the second sensor is arranged at the bottom end of the upper jacking frame or the top of the clamping block 503 of the lower fixed lifting frame and is used for sensing whether the bottom end of the upper jacking frame is in contact with the bottom of the clamping block 503 or not; the third sensor is arranged at the bottom end of a clamping block 503 of the lower fixed lifting frame or the bottom end of a vertical groove 502 of the upper lifting frame and is used for sensing whether the bottom end of the clamping block 503 of the lower fixed lifting frame and the bottom end of the vertical groove 502 of the upper lifting frame are in a contact state or not; the fourth sensor is arranged on the sliding column 205 or the sliding rail 203 and is used for sensing whether the sliding column 205 and the sliding rail 203 are in a contact state or not; a controller electrically connected to the first sensor, the second sensor, the third sensor, the fourth sensor, and the motor 404; the starting device is electrically connected with the controller.

The control method of the speed reducer capable of automatically opening the cover comprises the following steps:

s2, detecting the state of the cover 102: when the sensing result of the first sensor is yes, the sensing result of the second sensor is no, the sensing result of the third sensor is yes and the sensing result of the fourth sensor is yes, the step S3 is executed; when the sensing result of the first sensor is negative, the sensing result of the second sensor is positive, the sensing result of the third sensor is negative, and the sensing result of the fourth sensor is negative, the step S4 is executed;

s3, opening the cover 102: the controller controls the motor 404 to rotate clockwise, the transmission worm 403, the transmission worm wheel 402, the transmission rotating shaft 401 and the transmission disc 405 correspondingly move, the power transmission piece moves towards the jacking piece 5, the jacking piece 5 is pushed to ascend, meanwhile, the intermittent linkage piece 7 is in transmission connection with the linkage teeth 603, the linkage disc 602 correspondingly moves, the linkage column 605 slides in the linkage groove 604 and pushes the locking frame 303 to rotate anticlockwise around the rotating shaft until the sensing result of the first sensor changes from yes to no, the sensing result of the second sensor changes from yes, the sensing result of the first sensor changes from yes to no, and the step S4 is entered;

s4, closing the cover 102: the controller controls the motor 404 to rotate anticlockwise, the transmission worm 403, the transmission worm wheel 402, the transmission rotating shaft 401 and the transmission disc 405 correspondingly move, the power transmission piece moves towards the jacking piece 5, the jacking piece 5 descends, meanwhile, the intermittent linkage piece 7 and the linkage teeth 603 are in a non-transmission state, the linkage disc 602 correspondingly moves, the linkage column 605 slides in the linkage groove 604 and pushes the locking frame 303 to rotate clockwise around the rotating shaft until the sensing result of the first sensor is changed from yes to yes, the sensing result of the second sensor is changed from yes to no, the sensing result of the first sensor is changed from yes, the sensing result of the first sensor is changed from no to yes, and the step S5 is carried out;

s5, stopping operation: the controller controls the motor 404 to stop operating.

In this embodiment of the present application, due to the above structure and method, in this embodiment of the present application, due to the above structure, a start signal is sent to the controller by the start device, so that the controller senses the matching states of the clamping block 305 and the clamping portion 304, the upper and lower jacking frames, and the sliding column 205 and the sliding rail 203 according to the first sensor, the second sensor, the third sensor, and the fourth sensor, so as to determine whether the cover 102 is opened or closed, then when the cover 102 is closed, the motor 404 drives the transmission worm 403 to rotate clockwise, the cover 102 is opened, when the cover 102 is opened, the motor 404 drives the transmission worm 403 to rotate counterclockwise, the cover 102 is closed, and when the matching states of the clamping block 305 and the clamping portion 304, the upper and lower jacking frames, and the sliding column 205 and the sliding rail 203 are sensed by the first sensor, the second sensor, the third sensor, and the fourth sensor, the motor 404 is stopped, so as to facilitate operation and control, and realize automatic opening and closing of the cover 102.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a speed reducer with can automatic cover that opens and shuts, includes frame (101), cover (102), worm wheel and worm, its characterized in that still includes:

the automatic opening mechanism comprises a jacking unit (2), a locking unit (3) and a driving control unit (4);

wherein, drive control unit (4) with jacking unit (2) and locking unit (3) power connection for after control jacking unit put down cover (102), locking unit (3) lock frame (101) and cover (102), perhaps control locking unit (3) and remove the locking back to frame (101) and cover (102), jacking unit (2) jack-up cover (102).

2. The speed reducer with an automatically openable and closable cover according to claim 1, further comprising:

the mechanical bin (103) is arranged on the outer wall of the base (101);

the cover edge (104) is integrally formed on the outer wall of the cover (102) and corresponds to the mechanical bin (103);

the automatic opening mechanism is arranged in the mechanical bin (103), and one end of the cover (102) is movably connected with the base (101) through a hinge (105).

3. A reducer with automatically openable and closable cover according to claim 2, wherein the jacking unit (2) comprises:

the lifting groove (201) penetrates through the top of the mechanical bin (103) from top to bottom and is far away from the end of the hinge (105), and the bottom end of the lifting groove extends into the inner cavity of the mechanical bin (103);

and the jacking piece (5) is vertically and slidably arranged in the lifting groove (201) and driven to lift by the driving control unit (4).

4. A reducer with an automatically openable and closable cover according to claim 3, wherein the jacking unit (2) further comprises:

a sliding groove (202) which is arranged on the bottom surface of the cover edge (104), one end of the sliding groove corresponds to the lifting groove (201), and the other end of the sliding groove extends away from the hinge (105);

the sliding rail (203) is T-shaped and is fixedly arranged at the end of the sliding groove (202) corresponding to the lifting groove (201);

the pair of side plates (204) are integrally formed and arranged on the opposite side of the top end of the jacking piece (5), the top end of each side plate extends into the sliding groove (202), and the inner side wall of the top end is in sliding butt joint with the side wall of the sliding rail (203);

and the pair of sliding columns (205) are fixedly arranged on the opposite side inner walls of the pair of side plates (204) and are in sliding fit with the sliding rails (203).

5. A reducer with automatically openable and closable lid according to claim 3, wherein the jack (5) comprises:

a main body (501) provided with a vertical groove (502) at one end;

a clamping block (503) arranged at the bottom end of the vertical groove (502);

the clamping blocks (503) on the upper jacking frame and the lower jacking frame are respectively installed in the vertical grooves (502) of the opposite sides in a sliding mode, and the clamping blocks (503) are prevented from being separated from the vertical grooves (502) through the anti-separation piece (8).

6. A reducer with automatically openable and closable cover according to claim 5, wherein the locking unit (3) comprises:

the through groove (301) penetrates through the cover edge (104) from top to bottom and is positioned between the jacking unit (2) and the hinge (105);

the clamping frame comprises a fixing part (302) which is fixedly arranged on the bottom surface of the cover edge (104) and the bottom end of which penetrates through the through groove (301) and extends into the mechanical bin (103), and a clamping part (304) which is integrally formed on one side of the bottom end of the fixing part (302);

the locking frame (303) is movably arranged in the mechanical bin (103) through a rotating shaft, one end of the locking frame is provided with a clamping block (305) used for clamping with the clamping part (304), and the other end of the locking frame is connected with a transmission piece (6);

the transmission piece (6) is in intermittent transmission connection with the drive control unit (4) and is used for enabling the locking frame (303) to swing around the rotating shaft along with the operation of the drive control unit (4).

7. A reducer with an automatically openable and closable cover according to claim 6, wherein the transmission (6) comprises:

the fixed disc (601) is fixedly arranged on the inner wall of the mechanical bin (103);

the linkage disc (602) is detachably and rotatably arranged on the fixed disc (601);

a plurality of coupling teeth (603) provided on a side peripheral wall of the coupling disk (602);

the linkage groove (604) is arranged at the end, far away from the clamping block (305), of the locking frame (303);

the linkage column (605) is arranged at the surface eccentricity of the linkage disc (602) and is in transmission fit with the linkage groove (604);

and the intermittent linkage pieces (7) are arranged on the drive control unit (4) and are used for being in intermittent transmission connection with the linkage teeth (603).

8. A reducer with an automatically openable/closable cover according to claim 7, wherein the drive control unit (4) comprises:

a transmission rotating shaft (401) which is rotatably arranged in the mechanical bin (103);

a transmission worm wheel (402) fixedly mounted on the transmission rotating shaft (401);

the transmission worm (403) is in transmission connection with the transmission worm wheel (402) and is driven to rotate by a motor (404);

a transmission disk (405) fixedly installed on the transmission rotating shaft (401), and the outer peripheral side is integrally formed with a transmission tooth (406)

The power transmission piece comprises a bendable section which is in transmission fit with the transmission teeth (406) and is connected with the bottom of the jacking piece (5) and a straight section (10) for installing the intermittent linkage piece (7).

9. A reducer with an automatically openable/closable cover according to claim 8, wherein the drive control unit (4) further comprises:

the first sensor is used for sensing whether the clamping block (305) and the clamping part (304) are in a contact state or not;

the second sensor is used for sensing whether the bottom end of the upper jacking frame is in a contact state with the bottom of the fixture block (503);

the third sensor is used for sensing whether the bottom end of a clamping block (503) of the lower fixed lifting frame is in a contact state with the bottom end of a vertical groove (502) of the upper jacking frame;

the fourth sensor is used for sensing whether the sliding column (205) and the sliding rail (203) are in a contact state or not;

a controller electrically connected to the first, second, third, fourth sensors and a motor (404);

and the starting device is electrically connected with the controller.

10. A control method of a speed reducer adapted to the automatic opening machine cover according to claim 9, characterized by comprising the steps of:

s2, detecting the state of the cover (102): when the sensing result of the first sensor is yes, the sensing result of the second sensor is no, the sensing result of the third sensor is yes and the sensing result of the fourth sensor is yes, the step S3 is executed; when the sensing result of the first sensor is negative, the sensing result of the second sensor is positive, the sensing result of the third sensor is negative, and the sensing result of the fourth sensor is negative, the step S4 is executed;

s3, opening a cover (102): the controller controls the motor (404) to rotate clockwise, the transmission worm (403), the transmission worm wheel (402), the transmission rotating shaft (401) and the transmission disc (405) correspondingly move, the power transmission piece moves towards the jacking piece (5), the jacking piece (5) is pushed to ascend, meanwhile, the intermittent linkage piece (7) is in transmission connection with the linkage teeth (603), the linkage disc (602) correspondingly moves, the linkage column (605) slides in the linkage groove (604) and pushes the locking frame (303) to rotate anticlockwise around the rotating shaft until the sensing result of the first sensor is changed from yes to no, the sensing result of the second sensor is changed from yes to yes, the sensing result of the first sensor is changed from yes to no, and the step S4 is entered;

s4, closing the cover (102): the controller controls the motor (404) to rotate anticlockwise, the transmission worm (403), the transmission worm wheel (402), the transmission rotating shaft (401) and the transmission disc (405) correspondingly move, the power transmission piece moves towards the jacking piece (5), the jacking piece (5) descends, meanwhile, the intermittent linkage piece (7) and the linkage teeth (603) are in a non-transmission state, the linkage disc (602) correspondingly moves, the linkage column (605) slides in the linkage groove (604) and pushes the locking frame (303) to rotate clockwise around the rotating shaft until the sensing result of the first sensor is changed from yes, the sensing result of the second sensor is changed from no, the sensing result of the first sensor is changed from yes, the sensing result of the first sensor is changed from no, and the sensing result of the first sensor is changed from yes, and the step S5 is carried out;

s5, stopping operation: the controller controls the motor (404) to stop operating.