CN114715722B

CN114715722B - Rotary limiting self-locking type turnover device

Info

Publication number: CN114715722B
Application number: CN202210277037.3A
Authority: CN
Inventors: 赵波; 姚卫康
Original assignee: Jiangsu Yingmaijie Machinery Co ltd
Current assignee: Jiangsu Yingmaijie Machinery Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2024-04-05
Anticipated expiration: 2042-03-21
Also published as: CN114715722A

Abstract

The invention discloses a rotary limiting self-locking turnover device, which comprises: the utility model provides a upset section bar, winding mechanism, yarn roll, lifting handle, rocking arm, upset bearing support, tilting shaft, upset bearing support sets up at upset section bar both ends to install upset section bar at upset bearing support through the tilting shaft, the yarn is rolled up and is fixed on upset section bar through the rocking arm, winding mechanism installs on one of them rocking arm, the lifting handle is installed at the tip of another rocking arm, still includes: the limiting self-locking device is at least arranged at one end of the overturning sectional material, is arranged between the overturning sectional material and the overturning bearing support and is used for controlling the rotation angle between the overturning sectional material and the overturning bearing support, and a through hole is formed in the center of the limiting self-locking device and is contacted and blocked by the rotation of the simple labyrinth groove and the butterfly limiting block; the overturning self-locking device has the advantages of skillfully realizing overturning self-locking, being very compact in transmission structure design, and being very small and suitable for use occasions with limited space positions.

Description

Rotary limiting self-locking type turnover device

Technical Field

The invention relates to an adjusting device, in particular to a rotary limiting self-locking type overturning device.

Background

The general cradle turning device mechanism in the market at present is mainly used in winding lifting mechanisms, particularly yarn winding and stranding winding mechanisms, and as shown in fig. 1-2, a rotary spring damping limiting turning device comprises: the device comprises a turnover section bar, a winding mechanism, a yarn roll, a lifting handle, rocker arms, a turnover bearing support, a turnover shaft and a spring damping limiting device, wherein the turnover bearing support is arranged at two ends of the turnover section bar, the turnover section bar is arranged on the turnover bearing support through the turnover shaft, the turnover section bar can rotate around the installation position of the turnover bearing support, the yarn roll is fixed on the turnover section bar through the rocker arms, the bearing is arranged between the yarn roll and the rocker arms, the winding mechanism is arranged on one rocker arm to drive the yarn roll to rotate, the lifting handle is arranged at the end part of the other rocker arm, and the turnover angle and the turnover position of the turnover section bar are controlled through adjusting the spring damping limiting device; the device in the mode cannot realize self-locking, limiting and fixing are realized by screwing the adjusting limiting bolt in the spring damping limiting device, so that the operation is very inconvenient, and because the damping back pressure of the tension spring is arranged in the spring damping limiting device to limit, the device is extremely laborious to turn over, so that an operator can use the device very inconvenient, and the operator needs to lift the handle by hand and lock the limiting bolt at the same time, so that the simple operation by one hand cannot be realized, the rocker arm is easy to slide down and squeeze the hand, and danger is easy to generate; meanwhile, the device cannot be applied to an automatic lifting mechanism, and the device can only be applied to a manually operated mechanism due to the blocking and constraint of a back pressure spring in the spring damping limiting device, so that the technical application prospect is relatively narrow.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide the rotary limiting self-locking type turnover device, so that the locking and fixing of the rocker arm and the taking of the yarn package are simpler and more convenient, meanwhile, under the condition of self-locking inside the device, the automatic fixing of the cradle lifting can be realized through simple angle turnover, and an operator can easily take down the full package of yarn, thereby solving the problems.

The technical scheme is as follows: a rotary limit self-locking type turning device, comprising: the utility model provides a upset section bar, winding mechanism, yarn roll, lifting handle, rocking arm, upset bearing support, tilting shaft, upset bearing support sets up at upset section bar both ends to install upset section bar at upset bearing support through the tilting shaft, make the upset section bar can rotate around with upset bearing support mounted position, the yarn roll passes through the rocking arm to be fixed on the upset section bar, is equipped with the bearing between yarn roll and the rocking arm, winding mechanism installs and drives yarn roll rotation on one of them rocking arm, the tip at another rocking arm is installed to the lifting handle, still includes: the limiting self-locking device is at least arranged at one end of the overturning sectional material, is arranged between the overturning sectional material and the overturning bearing support and is used for controlling the rotation angle between the overturning sectional material and the overturning bearing support, the center of the limiting self-locking device is provided with a through hole for installing the overturning shaft,

the limiting self-locking device comprises: the device comprises a fixed disc, a butterfly limiting block, a fixed pin shaft and a turnover disc; the fixed disk and the turnover disk are respectively fixed on the turnover bearing support and the turnover section bar through bolts, so that the fixed disk and the turnover disk are oppositely arranged, a labyrinth groove is formed in one surface of the turnover disk, which faces the fixed disk, the butterfly stopper is arranged on the fixed disk through a fixed pin shaft and can rotate around the fixed pin shaft under the action of external force, the butterfly stopper is positioned in the labyrinth groove on the turnover disk, the labyrinth groove is limited through the rotation position of the butterfly stopper, and then the rotation angle between the fixed disk and the turnover disk and the fixed disk is limited.

Further, the labyrinth groove includes: the arc groove is arranged on one side of the fan-shaped groove, the arc groove and the fan-shaped groove are positioned on the same circle center, an opening is formed in the outer wall of the fan-shaped groove, the arc length of the inner wall of the arc groove is larger than that of the outer wall of the outer ring, and an inward limiting protrusion is further arranged on the outer wall of the fan-shaped groove away from the position of the arc groove.

Further, the butterfly-shaped limiting block is an arc limiting block, the left side and the right side of the arc limiting block are provided with inward concave V-shaped grooves, and inward concave arc-shaped grooves are formed in the upper portion and the lower portion of the arc limiting block.

Further, the limiting protrusion is an M point, the end point of the inner wall of the circular arc groove, which is close to the fan-shaped groove, is an N point, and the distance from the M point to the N point is smaller than the lengths of the tops of the two V-shaped grooves of the circular arc limiting block and larger than the lengths of the bottoms of the two V-shaped grooves of the circular arc limiting block.

Further, the device also comprises an angle sensor, wherein the angle sensor is arranged on the turnover bearing support and is connected with the turnover shaft, so that the collection of angles is realized.

Further, the winding mechanism includes: the driving motor is connected with the yarn package through the transmission mechanism and drives the yarn package to rotate.

Compared with the prior art, the invention discloses a rubber sleeve flat cable for a multifunctional composite tensile coal mining machine for a coal mine, which has the following specific beneficial effects:

(1) The problem that the rocker arm mechanism cannot be fixed during manual doffing is solved through the limiting self-locking device, and unstable and operation dangerous factors caused by manual holding are reduced;

(2) The rotary touch and the blocking of the butterfly type limiting block are realized through a simple labyrinth groove; the overturning self-locking is skillfully realized, the transmission structure design is very compact, and the device is very small and suitable for the use occasions with limited space positions;

(3) The device can meet the requirement of manual operation, can also be used for configuring a design angle and a turnover limiting point on an electric driving winding turnover lifting structure, realizes automatic self-locking turnover and positioning, and is high in universality and adaptability.

Drawings

FIG. 1 is a schematic view of a rear side perspective structure in the background art;

FIG. 2 is a schematic view of a front side perspective structure in the background art;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic rear view of the present invention;

FIG. 5 is a schematic diagram of a side view flip state structure of the present invention;

FIG. 6 is a schematic view of a partial explosion structure of the present invention;

FIG. 7 is a schematic diagram of an explosion structure of the position-limiting self-locking device;

FIG. 8 is a schematic cross-sectional view of a position-limiting self-locking device;

FIG. 9 is a schematic view of the initial position state of the position-limiting self-locking device;

FIG. 10 is a schematic view showing a structure of the limit self-locking device in a state of starting to rotate and lift;

FIG. 11 is a schematic view of a clockwise lock state structure of the limit self-locking device;

FIG. 12 is a schematic diagram showing a state of a counterclockwise lock of the limit self-locking device;

FIG. 13 is a schematic view of a limit selection state structure of a limit self-locking device;

FIG. 14 is a schematic view showing an adjustment state of the position-limiting self-locking device before resetting;

FIG. 15 is a schematic view of the structure of the initial reset state of the limit self-locking device;

in the figure: 1. overturning the profile; 2. a winding mechanism; 3. a yarn roll; 4. lifting the handle; 5. a rocker arm; 6. turning over the bearing support; 7. a turnover shaft; 8. a limit self-locking device; 81. a fixed plate; 82. butterfly type limiting blocks; 821. a V-shaped groove; 822. an arc-shaped groove; 83. a fixed pin shaft; 84. a turn-over disc; 841. an arc groove; 842. a fan-shaped groove; 9. an angle sensor.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 3-8, the present invention provides a technical solution: a rotary limit self-locking type turning device, comprising: the utility model provides a roll over section bar 1, winding mechanism 2, yarn roll 3, lifting handle 4, rocking arm 5, upset bearing support 6, tilting shaft 7, upset bearing support 6 sets up at roll over section bar 1 both ends to install upset section bar 1 at upset bearing support 6 through tilting shaft 7, make upset section bar 1 can rotate around with upset bearing support 6 mounted position, be equipped with the bearing on the upset bearing support 6, yarn roll 3 is fixed on upset section bar 1 through rocking arm 5, is equipped with the bearing between yarn roll 3 and the rocking arm 5, winding mechanism 2 installs and drives yarn roll 3 rotation on one of them rocking arm 5, lifting handle 4 installs the tip at another rocking arm 5 still includes: the limiting self-locking device 8 is at least arranged at one end of the overturning profile 1, is arranged between the overturning profile 1 and the overturning bearing support 6 and is used for controlling the rotation angle between the overturning profile 1 and the overturning bearing support 6, a through hole is arranged at the center of the limiting self-locking device 8 and is used for installing the overturning shaft 7,

the limit self-locking device 8 comprises: a fixed disc 81, a butterfly limiting block 82, a fixed pin shaft 83 and a turnover disc 84; the fixed disk 81 and the turnover disk 84 are respectively fixed on the turnover bearing support 6 and the turnover section bar 1 through bolts, the fixed disk 81 and the turnover disk 84 are oppositely arranged, a labyrinth groove is formed in one surface of the turnover disk 84, which faces the fixed disk 81, the butterfly limiting block 82 is arranged on the fixed disk 81 through the fixed pin shaft 83, the butterfly limiting block 82 can rotate around the fixed pin shaft 83 under the action of external force, the butterfly limiting block 82 is positioned in the labyrinth groove on the turnover disk 84, the labyrinth groove is limited through the rotation position of the butterfly limiting block 82, and then the rotation angle between the fixed disk 81 and the turnover disk 84 and the fixed disk 81 is limited.

Further in this example, the labyrinth groove includes: circular arc groove 841, fan-shaped groove 842, circular arc groove 841 sets up in fan-shaped groove 842 one side, and circular arc groove 841 is located same circle with fan-shaped groove 842, be equipped with the opening on fan-shaped groove 842 and the circular arc groove 841 outer wall, be circular arc groove 841 inner circle lateral wall radian length longer than outer lane lateral wall radian length to fan-shaped groove 842 outer wall is kept away from circular arc groove 841 position and still is equipped with inwards spacing arch.

Further in this example, the butterfly-shaped limiting block is an arc limiting block, the left side and the right side of the arc limiting block are provided with inward concave V-shaped grooves 821, and upward and downward concave arc-shaped grooves 822 are formed.

In this example, the limiting protrusion is an M point, the M point is an upper limiting point, an end point of the inner wall of the circular arc groove 841, which is close to the fan-shaped groove 842, is an N point, the N point is a lower limiting point and a sliding start point, and a distance from the M point to the N point is smaller than the length of the tops of the two V-shaped grooves 821 of the circular arc limiting block and is greater than the length of the bottoms of the two V-shaped grooves 821 of the circular arc limiting block.

Further in this example, still include angle sensor 9, angle sensor 9 installs on upset bearing support 6 to be connected with tilting axis 7, realize the collection to the angle, make things convenient for the control of automatic mode in later stage, also can gather real-time angle.

Further in this example, the winding mechanism 2 includes: the driving motor is connected with the yarn package 3 through the transmission mechanism, and drives the yarn package 3 to rotate.

The working principle of the limit self-locking device 8 is that a point reference zero point P is arranged on the fixed disk 81 for convenience of description;

as shown in fig. 9, the initial position: the rocker arm 5 is in an un-lifted state, the angle between the end point of the outer wall of the circular arc groove 841 on the turnover disc 84 and the reference zero point P on the fixed disc 81 is-a DEG (the left side of P is-), the butterfly limiting block 82 is positioned in the circular arc groove 841 of the turnover disc 84 and cannot be turned, the rocker arm 5 can only be lifted clockwise, and the anticlockwise rotation is limited by the butterfly limiting block 82 and cannot be rotated;

as shown in fig. 10, the rocker arm 5 is gradually lifted, the angle between the end point of the outer wall of the circular arc groove 841 on the turnplate 84 and the test zero point P on the fixed plate 81 is +b° (the right side of P is +), the butterfly stopper 82 is separated from the circular arc groove 841 of the turnplate 84 to reach the N point (not touching the M point) of the inner ring, and at this time, the turnplate 84 still has a small-range rotation space capable of being clockwise or anticlockwise;

as shown in FIG. 11, the rocker arm 5 continues to gradually lift, at a certain moment, the angle between the end point of the outer wall of the arc groove 841 on the turning disc 84 and the examination zero point P on the fixed disc 81 is +c° (c > b), the butterfly stopper 82 has reached the M point on the turning disc 84, is far away from the N point, at this moment, the M point on the turning disc 84 has been locked by the butterfly stopper 82 in the clockwise direction, and the instantaneous needle rotation cannot be continued, but only the counterclockwise small angle rotation is possible;

as shown in fig. 12, the rocker arm 5 cannot be continuously lifted clockwise, and can only rotate anticlockwise, at a certain moment, the angle between the end point of the outer wall of the arc groove 841 on the turnover disc 84 and the test zero point P on the fixed disc 81 is-d degrees (a is larger than d), the butterfly limiting block 82 is contacted with the N point on the turnover disc 84 and is far away from the M point, at the moment, the M point on the turnover disc 84 is locked in the anticlockwise direction by the butterfly limiting block 82, and can not continuously rotate anticlockwise, and the supporting lifting mechanism is suspended at a set angle, so that an operator can conveniently take yarn;

as shown in FIG. 13, the limit selection is that the rocker arm 5 can only be lifted clockwise, at a certain moment, the angle between the end point of the outer wall of the arc-shaped groove 841 on the turnover disc 84 and the examination zero point P on the fixed disc 81 is +e° (c > e > b), the end point of the outer wall of the upper arc-shaped groove 841 is close to the M point on the turnover disc 84, and is far away from the N point; if the rotating disk 84 continues to rotate clockwise at this time, the action result-clockwise is locked according to fig. 11; if the turning disc 84 rotates anticlockwise, the M point touches the butterfly stopper 82, and the butterfly stopper 82 is adjusted anticlockwise according with the action result of FIG. 14;

as shown in fig. 14, the adjustment before reset is that the rocker arm 5 rotates anticlockwise, at a certain moment, the angle between the end point of the outer wall of the arc groove 841 on the turnover disc 84 and the reference zero point P on the fixed disc 81 is +f° (f > e), the head end of the butterfly stopper 82 is slowly corrected by the point M through touching tangential motion and then starts to separate, and the point N is also parallel to the tail end of the butterfly stopper 82, so as to ensure that the butterfly stopper 82 can smoothly slide into the cavity;

as shown in FIG. 15, the initial reset is that the rocker arm 5 rotates anticlockwise, at a certain moment, the angle between the end point of the outer wall of the arc groove 841 on the turnover disc 84 of the turnover disc 84 and the test zero point P on the fixed disc 81 is-h degrees (h < a) °, the butterfly limiting block 82 is far away after being corrected by the M point, and slides into the initial cavity of the turnover disc 84 along the N point; the initial state of fig. 9 is achieved as the flipping disc 84 continues to revolve counter-clockwise to an angle-a deg..

The device has rich compatible expansion functions, the lifting handle 4 is slightly lifted by a single hand in a manual mode, the self-locking of the device can be realized by rotating the handle to a specified angle, and the operation time and the labor intensity are saved compared with a common turnover mechanism;

in the automatic mode, the overturning section bar 1 is directly controlled to realize accurate angle overturning by externally connecting a stepping motor at the end of the overturning connecting seat, and the self-locking and unlocking functions can be realized by controlling the functions of the stepping motor such as rotation angle, rotation residence time and the like through a PLC, so that the whole-course automatic control function is realized; the limiting self-locking device 8 adopts an end face flange type connection structure design, so that the structure design is very compact, the occupied space is very small, and the external attractiveness is greatly improved on the premise that the function of the matched equipment is met; the overturning device can be used in a matched manner to stably improve overturning, and is convenient to maintain, install and replace, low in cost and high in cost performance.

Claims

1. A rotary limit self-locking type turning device, comprising: the device comprises a turnover section bar, a winding mechanism, yarn rolls, lifting handles, rocker arms, turnover bearing supports and turnover shafts, wherein the turnover bearing supports are arranged at two ends of the turnover section bar, the turnover section bar is arranged on the turnover bearing supports through the turnover shafts, the turnover section bar can rotate around the installation positions of the turnover bearing supports, the yarn rolls are fixed on the turnover section bar through the rocker arms, the bearings are arranged between the yarn rolls and the rocker arms, the winding mechanism is arranged on one rocker arm to drive the yarn rolls to rotate, and the lifting handles are arranged at the end parts of the other rocker arms, and the device is characterized in that: further comprises: the limiting self-locking device is at least installed at one end of the overturning profile and is arranged between the overturning profile and the overturning bearing support and used for controlling the rotation angle between the overturning profile and the overturning bearing support, a through hole is formed in the center of the limiting self-locking device and used for installing the overturning shaft, and the limiting self-locking device comprises: the device comprises a fixed disc, a butterfly limiting block, a fixed pin shaft and a turnover disc; the fixed disc and the turnover disc are respectively fixed on the turnover bearing support and the turnover profile through bolts, so that the fixed disc and the turnover disc are oppositely arranged, a labyrinth groove is formed in one surface of the turnover disc, which faces the fixed disc, the butterfly stopper is arranged on the fixed disc through a fixed pin shaft and can rotate around the fixed pin shaft under the action of external force, the butterfly stopper is positioned in the labyrinth groove on the turnover disc, and the labyrinth groove is limited through the rotation position of the butterfly stopper, so that the rotation angle between the fixed disc and the turnover disc is limited; the labyrinth groove includes: the arc groove is arranged on one side of the fan groove, the arc groove and the fan groove are positioned on the same circle center, openings are formed in the outer walls of the fan groove and the arc groove, the radian length of the inner wall of the arc groove is longer than that of the outer wall of the outer ring, and an inward limiting protrusion is further arranged on the outer wall of the fan groove away from the arc groove; the butterfly-shaped limiting block is an arc limiting block, the left side and the right side of the arc limiting block are provided with inward concave V-shaped grooves, and inward concave arc grooves are formed in the upper portion and the lower portion of the arc limiting block; the limiting protrusion is an M point, the end point of the inner wall of the circular arc groove, which is close to the fan-shaped groove, is an N point, and the distance from the M point to the N point is smaller than the lengths of the tops of the two V-shaped grooves of the circular arc limiting block and is larger than the lengths of the bottoms of the two V-shaped grooves of the circular arc limiting block; the angle sensor is arranged on the turnover bearing support and connected with the turnover shaft to collect angles; the winding mechanism includes: the driving motor is connected with the yarn package through the transmission mechanism and drives the yarn package to rotate.