阅读说明：本技术 集装箱自动开关门设备及其开门方法及其关门方法 (Automatic door opening and closing equipment for container, door opening method and door closing method thereof ) 是由 沈光伟 孙安坐 刘宝彦 郑景亮 庄长春 于 2020-12-28 设计创作，主要内容包括：本发明公开了集装箱自动开关门设备及其开门方法及其关门方法,集装箱自动开关门设备包括机架机构、开关门机构和锁接机构。该开关门机构包括安装架、弧形轨道、拐臂、驱动机构和旋转梁,该安装架装设在机架机构上,该弧形轨道固设在安装架上,该拐臂一端铰接安装架上,另一端适配滑接在弧形轨道,该驱动机构一端铰接在安装架,另一端铰接在拐臂中部,该旋转梁固接在拐臂上,通过驱动机构伸缩以带动拐臂转动及带动旋转梁弧线运动。该锁接机构装接在旋转梁上且能锁接箱门上的锁轴或松开上述锁接。它具有如下优点：实现箱门自动开关,替代人工开关,工作效率高、安全可靠、实用简单、成本低廉。(The invention discloses automatic door opening and closing equipment for a container, a door opening method and a door closing method thereof. This switch door mechanism includes mounting bracket, arc track, turning arm, actuating mechanism and rotatory roof beam, and this mounting bracket is installed on frame mechanism, and this arc track sets firmly on the mounting bracket, on the articulated mounting bracket of this turning arm one end, other end adaptation sliding joint is at the arc track, and this actuating mechanism one end articulates at the mounting bracket, and the other end articulates at the turning arm middle part, and this rotatory roof beam rigid coupling is flexible on the turning arm in order to drive the turning arm and rotate and drive rotatory roof beam pitch arc motion through actuating mechanism. The locking mechanism is attached to the rotary beam and is capable of locking or unlocking a lock shaft on the door. It has the following advantages: the automatic opening and closing of the box door is realized, manual opening and closing are replaced, and the automatic opening and closing device is high in working efficiency, safe, reliable, practical, simple and low in cost.)

1. Automatic switch door equipment of container, its characterized in that: the method comprises the following steps:

a frame mechanism (2);

the door opening and closing mechanism (3) comprises a first mounting frame (31), a first arc-shaped track (32), a first crank arm (33), a first driving mechanism (34) and a rotating beam (35), wherein the first mounting frame (31) is mounted on the frame mechanism (2), the first arc-shaped track (32) is fixedly arranged on the first mounting frame (31), one end of the first crank arm (33) is hinged to the first mounting frame (31), the other end of the first crank arm (33) is in adaptive sliding connection with the first arc-shaped track (32), one end of the first driving mechanism (34) is hinged to the first mounting frame (31), the other end of the first driving mechanism (34) is hinged to the middle of the first crank arm (33), the rotating beam (35) is fixedly connected to the first crank arm (33), and the first crank arm (33) is driven to rotate and drive the rotating beam (35) to do arc motion through the expansion and contraction of the first driving mechanism (34; and

the first locking mechanism (4) is arranged on the rotating beam (15) and can lock or unlock a locking shaft (12) on a door (11) of the container (1).

2. The automatic opening and closing apparatus for a container according to claim 1, wherein: the axis of the first arcuate track (32) coincides with the axis of rotation of the door (11).

3. The automatic opening and closing apparatus for a container according to claim 1, wherein: the rotating beam (35) is fixedly provided with a first fixed seat (36), the first locking mechanism (4) comprises a grapple (41) hinged on the first fixed seat (36) and a second driving mechanism (42), one end of the second driving mechanism (42) is hinged on the first fixed seat (36), the other end of the second driving mechanism (42) is hinged on the grapple (41), and the second driving mechanism (42) stretches and retracts to drive the grapple (41) to rotate so as to hook the locking shaft (12) or loosen the hook.

4. The automatic opening and closing apparatus for a container according to claim 1, wherein: further comprising:

the locking and unlocking mechanism (5) comprises a second mounting frame (51), a second arc-shaped track (52), a second crank arm (53), a third driving mechanism (54) and a rotating frame (55), wherein the second mounting frame (51) is fixedly arranged on the rotating beam (35), the second arc-shaped track (52) is fixedly arranged on the second mounting frame (51), one end of the second crank arm (53) is hinged to the second mounting frame (51), the other end of the second crank arm is in sliding connection with the second arc-shaped track (52), one end of the third driving mechanism (54) is hinged to the second mounting frame (51), the other end of the third driving mechanism is rotatably connected to the middle of the second crank arm (53), and the third driving mechanism (54) stretches out and draws back to drive the second crank arm (53) to rotate and drive the rotating frame (55) to do arc motion;

and the second locking mechanism (6) is arranged on the rotating frame (55) and can lock or unlock the lock rod (13) on the door (11) of the container (1).

5. The automatic opening and closing apparatus for a container according to claim 4, wherein: the axis of the second arcuate track (52) coincides with the axis of rotation of the lock shaft (12).

6. The automatic opening and closing apparatus for a container according to claim 4, wherein: the second locking mechanism (6) comprises a fourth driving mechanism (61), a first slide rail (62), a slide block (63), a fifth driving mechanism (64), two clamping arms (65) and two connecting rods (66), the fourth driving mechanism (61) is arranged on the rotating frame (55) and is in transmission connection with the first sliding rail (62) so as to drive the first sliding rail (62) to slide, the sliding block (63) is connected on the first sliding rail (62) in a sliding way, the fifth driving mechanism (64) is connected on the first sliding rail (62) in a mounting way and is connected with the sliding block (63) in a transmission way so as to drive the sliding block (63) to slide along the first sliding rail (62), one end of each clamping arm (65) is hinged with the first sliding rail (62), one end of each connecting rod (66) is hinged with the sliding block (62), the other end of each connecting rod is respectively hinged with the middle part of each clamping arm (65), so as to drive the two clamping arms (65) to clamp the lock rod (13) or release the clamping through the sliding block (63) in a sliding way.

7. The automatic opening and closing apparatus for a container according to claim 6, wherein: the second locking mechanism (6) further comprises a second slide rail (67), the second slide rail (67) is fixedly arranged on the rotating frame (55), the first slide rail (62) is connected to the second slide rail (67) in a sliding mode, and the first slide rail (62) and the second slide rail (67) are arranged vertically.

8. The automatic opening and closing apparatus for a container according to claim 6, wherein: further comprising:

lock cover opening and closing mechanism (7), including third mounting bracket (71), carousel (72), open fork (73) and sixth actuating mechanism (74), this third mounting bracket (71) is adorned admittedly in second mounting bracket (51), this carousel (72) rotate to be connected on third mounting bracket (71), this sixth actuating mechanism (74) set firmly in carousel (72) eccentric position, fork (73) are opened in this sixth actuating mechanism (74) transmission connection, this open fork (63) end concave is equipped with the fork body structure that can the adaptation fork connects at lock cover (14), drive through sixth actuating mechanism (74) and open fork (73) activity in order to connect in the fork on lock cover (14), rotate in order to drive support (15) on the relative chamber door (11) of lock cover (14) through carousel (72).

9. The automatic opening and closing apparatus for a container according to claim 8, wherein: the axis of rotation of the locking cap (14) coincides with the axis of rotation of the dial (72).

10. The automatic opening and closing apparatus for a container according to claim 8, wherein: the locking cover opening and closing mechanism (7) comprises a seventh driving mechanism (75), gear teeth are arranged outside the rotary table (72) to form a gear, the seventh driving mechanism (75) is arranged on the third mounting frame (71) and is fixedly provided with a rack, and the rack is meshed with the gear to drive the rotary table (72) to rotate through the expansion and contraction of the seventh driving mechanism (75).

11. The automatic opening and closing apparatus for a container door according to any one of claims 1 to 10, wherein: the rack mechanism (2) comprises a rack (21), a third slide rail (22) which can be connected to the rack (21) in a sliding manner along a first direction and a fourth slide rail (23) which can be connected to the third slide rail (22) in a sliding manner along a second direction, the first mounting rack (31) can be connected to the fourth slide rail (23) in a sliding manner along the third direction, and the first direction, the second direction and the third direction are mutually and vertically arranged; and an eighth driving mechanism (24), a ninth driving mechanism (25) and a tenth driving mechanism (26) are arranged, the eighth driving mechanism (24) is arranged on the frame (21) and is in transmission connection with the third slide rail (22), the ninth driving mechanism (25) is arranged on the third slide rail (22) and is in transmission connection with the fourth slide rail (23), and the tenth driving mechanism (26) is arranged on the fourth slide rail (23) and is in transmission connection with the first mounting frame (31).

12. The automatic opening and closing apparatus for a container door according to any one of claims 1 to 10, wherein: the rack mechanism (2) comprises a rack (21), a third slide rail (22) which can be connected to the rack (21) in a sliding manner along a first direction, a fourth slide rail (23) which can be connected to the third slide rail (22) in a sliding manner along a second direction, and a support frame (27), wherein the support frame (27) can be connected to the fourth slide rail (23) in a sliding manner along a third direction, and the first direction, the second direction and the third direction are arranged perpendicularly to each other; the supporting frame (27) is provided with a third arc-shaped track (28), a movable seat is fixedly arranged on the first mounting frame (31), and the movable seat is connected to the third arc-shaped track (28) in an adaptive mode so as to control the first mounting frame (31) to rotate through the movement of the movable seat; and an eighth driving mechanism (24), a ninth driving mechanism (25) and a tenth driving mechanism (26) are arranged, the eighth driving mechanism (24) is arranged on the frame (21) and is in transmission connection with the third slide rail (22), the ninth driving mechanism (25) is arranged on the third slide rail (22) and is in transmission connection with the fourth slide rail (23), and the tenth driving mechanism (26) is arranged on the fourth slide rail (23) and is in transmission connection with the first mounting frame (31).

13. The door opening method of an automatic door opening and closing apparatus for a container according to claim 8, wherein: the method comprises the following steps:

step 11, a locking cover opening step, namely driving an opening fork (73) to move so that a fork body structure of the opening fork (73) is in fork connection with a locking cover (14), rotating a rotary disc (72) to drive the locking cover (14) to rotate, and unlocking the locking cover (14) from locking a locking rod (13);

step 12, a lock rod is opened, the sliding block (63) moves to drive the two clamping arms (65) to clamp the lock rod (13), the fourth driving mechanism (61) drives the first sliding rail (62) to move to push the lock rod (13) out of the support (15), and the support (15) is unlocked from locking the lock rod (13);

step 13, rotating the lock rod, wherein the third driving mechanism (54) drives the second crank arm (53) to rotate so as to drive the rotating frame (55) to do arc motion, so that the lock rod (13) is driven to rotate so as to release the locking connection between the lock shaft (12) and the container (1);

step 14, locking a locking shaft, wherein a first locking mechanism (4) locks a locking shaft (12) on a box door (11) of the container (1); and

and step 15, opening the door, wherein the first driving mechanism (34) drives the first crank arm (33) to rotate, so that the door (11) is driven to rotate to open.

14. The door closing method of the automatic container door opening and closing apparatus according to claim 8, comprising:

step 21, closing the box door, wherein the first driving mechanism (34) drives the first crank arm (33) to rotate so as to drive the rotating beam (35) to do arc motion, so that the box door (11) is driven to rotate so as to be closed;

step 22, in the locking rod rotating step, the third driving mechanism (54) drives the second crank arm (53) to rotate so as to drive the rotating frame (55) to do arc motion, so that the locking rod (13) is driven to rotate so as to drive the locking shaft (12) to rotate, and the locking shaft (12) is locked with the container (1);

step 23, a locking rod closing step, namely driving the first sliding rail (62) to move so as to push the locking rod (13) into the support (15), so that the support (15) can lock the locking rod (13), and the sliding block (63) resets to drive the two clamping arms (65) to release clamping;

step 24, closing the lock cover, namely driving the rotary disc (72) to rotate so as to drive the lock cover (14) to rotate, realizing the locking connection of the lock cover (14) to the lock rod (13), and driving the unlocking fork (73) to reset;

and 25, unlocking the lock shaft, namely unlocking the lock shaft (12) by the first locking mechanism (4).

Technical Field

The invention relates to intelligent equipment, in particular to automatic door opening and closing equipment for a container, a door opening method and a door closing method thereof.

Background

The container technology is carried out by manpower from birth to today, when a container is erected in the length direction and loose materials (such as coal, grains, fertilizers, light particles and the like) are filled in the container, the door of the container is required to be opened at a high position (such as 6.058m) in order to fill the container, and the door and the lock are required to be closed quickly after the container is filled with goods. At this time, the work is time-consuming and labor-consuming to be completed by manpower, and is not safe.

Disclosure of Invention

The invention provides automatic door opening and closing equipment for a container, a door opening method and a door closing method thereof, which overcome the defects of manual door opening and closing of the container in the background art.

One of the technical schemes adopted by the invention for solving the technical problems is as follows: automatic opening and closing door equipment for a container, comprising:

a frame mechanism (2);

the door opening and closing mechanism (3) comprises a first mounting frame (31), a first arc-shaped track (32), a first crank arm (33), a first driving mechanism (34) and a rotating beam (35), wherein the first mounting frame (31) is mounted on the frame mechanism (2), the first arc-shaped track (32) is fixedly arranged on the first mounting frame (31), one end of the first crank arm (33) is hinged to the first mounting frame (31), the other end of the first crank arm (33) is in adaptive sliding connection with the first arc-shaped track (32), one end of the first driving mechanism (34) is hinged to the first mounting frame (31), the other end of the first driving mechanism (34) is hinged to the middle of the first crank arm (33), the rotating beam (35) is fixedly connected to the first crank arm (33), and the first crank arm (33) is driven to rotate and drive the rotating beam (35) to do arc motion through the expansion and contraction of the first driving mechanism (34; and

the first locking mechanism (4) is arranged on the rotating beam (15) and can lock or unlock a locking shaft (12) on a door (11) of the container (1).

In one embodiment: the axis of the first arcuate track (32) coincides with the axis of rotation of the door (11).

In one embodiment: the rotating beam (35) is fixedly provided with a first fixed seat (36), the first locking mechanism (4) comprises a grapple (41) hinged on the first fixed seat (36) and a second driving mechanism (42), one end of the second driving mechanism (42) is hinged on the first fixed seat (36), the other end of the second driving mechanism (42) is hinged on the grapple (41), and the second driving mechanism (42) stretches and retracts to drive the grapple (41) to rotate so as to hook the locking shaft (12) or loosen the hook.

In one embodiment: further comprising:

the locking and unlocking mechanism (5) comprises a second mounting frame (51), a second arc-shaped track (52), a second crank arm (53), a third driving mechanism (54) and a rotating frame (55), wherein the second mounting frame (51) is fixedly arranged on the rotating beam (35), the second arc-shaped track (52) is fixedly arranged on the second mounting frame (51), one end of the second crank arm (53) is hinged to the second mounting frame (51), the other end of the second crank arm is in sliding connection with the second arc-shaped track (52), one end of the third driving mechanism (54) is hinged to the second mounting frame (51), the other end of the third driving mechanism is rotatably connected to the middle of the second crank arm (53), and the third driving mechanism (54) stretches out and draws back to drive the second crank arm (53) to rotate and drive the rotating frame (55) to do arc motion;

and the second locking mechanism (6) is arranged on the rotating frame (55) and can lock or unlock the lock rod (13) on the door (11) of the container (1).

In one embodiment: the axis of the second arcuate track (52) coincides with the axis of rotation of the lock shaft (12).

In one embodiment: the second locking mechanism (6) comprises a fourth driving mechanism (61), a first slide rail (62), a slide block (63), a fifth driving mechanism (64), two clamping arms (65) and two connecting rods (66), the fourth driving mechanism (61) is arranged on the rotating frame (55) and is in transmission connection with the first sliding rail (62) so as to drive the first sliding rail (62) to slide, the sliding block (63) is connected on the first sliding rail (62) in a sliding way, the fifth driving mechanism (64) is connected on the first sliding rail (62) in a mounting way and is connected with the sliding block (63) in a transmission way so as to drive the sliding block (63) to slide along the first sliding rail (62), one end of each clamping arm (65) is hinged with the first sliding rail (62), one end of each connecting rod (66) is hinged with the sliding block (62), the other end of each connecting rod is respectively hinged with the middle part of each clamping arm (65), so as to drive the two clamping arms (65) to clamp the lock rod (13) or release the clamping through the sliding block (63) in a sliding way.

In one embodiment: the second locking mechanism (6) further comprises a second slide rail (67), the second slide rail (67) is fixedly arranged on the rotating frame (55), the first slide rail (62) is connected to the second slide rail (67) in a sliding mode, and the first slide rail (62) and the second slide rail (67) are arranged vertically.

In one embodiment: further comprising:

lock cover opening and closing mechanism (7), including third mounting bracket (71), carousel (72), open fork (73) and sixth actuating mechanism (74), this third mounting bracket (71) is adorned admittedly in second mounting bracket (51), this carousel (72) rotate to be connected on third mounting bracket (71), this sixth actuating mechanism (74) set firmly in carousel (72) eccentric position, fork (73) are opened in this sixth actuating mechanism (74) transmission connection, this open fork (63) end concave is equipped with the fork body structure that can the adaptation fork connects at lock cover (14), drive through sixth actuating mechanism (74) and open fork (73) activity in order to connect in the fork on lock cover (14), rotate in order to drive support (15) on the relative chamber door (11) of lock cover (14) through carousel (72).

In one embodiment: the axis of rotation of the locking cap (14) coincides with the axis of rotation of the dial (72).

In one embodiment: the locking cover opening and closing mechanism (7) comprises a seventh driving mechanism (75), gear teeth are arranged outside the rotary table (72) to form a gear, the seventh driving mechanism (75) is arranged on the third mounting frame (71) and is fixedly provided with a rack, and the rack is meshed with the gear to drive the rotary table (72) to rotate through the expansion and contraction of the seventh driving mechanism (75).

In one embodiment: the rack mechanism (2) comprises a rack (21), a third slide rail (22) which can be connected to the rack (21) in a sliding manner along a first direction and a fourth slide rail (23) which can be connected to the third slide rail (22) in a sliding manner along a second direction, the first mounting rack (31) can be connected to the fourth slide rail (23) in a sliding manner along the third direction, and the first direction, the second direction and the third direction are mutually and vertically arranged; and an eighth driving mechanism (24), a ninth driving mechanism (25) and a tenth driving mechanism (26) are arranged, the eighth driving mechanism (24) is arranged on the frame (21) and is in transmission connection with the third slide rail (22), the ninth driving mechanism (25) is arranged on the third slide rail (22) and is in transmission connection with the fourth slide rail (23), and the tenth driving mechanism (26) is arranged on the fourth slide rail (23) and is in transmission connection with the first mounting frame (31).

In one embodiment: the rack mechanism (2) comprises a rack (21), a third slide rail (22) which can be connected to the rack (21) in a sliding manner along a first direction, a fourth slide rail (23) which can be connected to the third slide rail (22) in a sliding manner along a second direction, and a support frame (27), wherein the support frame (27) can be connected to the fourth slide rail (23) in a sliding manner along a third direction, and the first direction, the second direction and the third direction are arranged perpendicularly to each other; the supporting frame (27) is provided with a third arc-shaped track (28), a movable seat is fixedly arranged on the first mounting frame (31), and the movable seat is connected to the third arc-shaped track (28) in an adaptive mode so as to control the first mounting frame (31) to rotate through the movement of the movable seat; and an eighth driving mechanism (24), a ninth driving mechanism (25) and a tenth driving mechanism (26) are arranged, the eighth driving mechanism (24) is arranged on the frame (21) and is in transmission connection with the third slide rail (22), the ninth driving mechanism (25) is arranged on the third slide rail (22) and is in transmission connection with the fourth slide rail (23), and the tenth driving mechanism (26) is arranged on the fourth slide rail (23) and is in transmission connection with the first mounting frame (31).

The second technical scheme adopted by the invention for solving the technical problems is as follows: the door opening method of the automatic door opening and closing device for the container comprises the following steps:

step 11, a locking cover opening step, namely driving an opening fork (73) to move so that a fork body structure of the opening fork (73) is in fork connection with a locking cover (14), rotating a rotary disc (72) to drive the locking cover (14) to rotate, and unlocking the locking cover (14) from locking a locking rod (13);

step 12, a lock rod is opened, the sliding block (63) moves to drive the two clamping arms (65) to clamp the lock rod (13), the fourth driving mechanism (61) drives the first sliding rail (62) to move to push the lock rod (13) out of the support (15), and the support (15) is unlocked from locking the lock rod (13);

step 13, rotating the lock rod, wherein the third driving mechanism (54) drives the second crank arm (53) to rotate so as to drive the rotating frame (55) to do arc motion, so that the lock rod (13) is driven to rotate so as to release the locking connection between the lock shaft (12) and the container (1);

step 14, locking a locking shaft, wherein a first locking mechanism (4) locks a locking shaft (12) on a box door (11) of the container (1); and

and step 15, opening the door, wherein the first driving mechanism (34) drives the first crank arm (33) to rotate, so that the door (11) is driven to rotate to open.

The third technical scheme adopted by the invention for solving the technical problems is as follows: the door closing method of the automatic door opening and closing device for the container comprises the following steps:

step 21, closing the box door, wherein the first driving mechanism (34) drives the first crank arm (33) to rotate so as to drive the rotating beam (35) to do arc motion, so that the box door (11) is driven to rotate so as to be closed;

step 22, in the locking rod rotating step, the third driving mechanism (54) drives the second crank arm (53) to rotate so as to drive the rotating frame (55) to do arc motion, so that the locking rod (13) is driven to rotate so as to drive the locking shaft (12) to rotate, and the locking shaft (12) is locked with the container (1);

step 23, a locking rod closing step, namely driving the first sliding rail (62) to move so as to push the locking rod (13) into the support (15), so that the support (15) can lock the locking rod (13), and the sliding block (63) resets to drive the two clamping arms (65) to release clamping;

step 24, closing the lock cover, namely driving the rotary disc (72) to rotate so as to drive the lock cover (14) to rotate, realizing the locking connection of the lock cover (14) to the lock rod (13), and driving the unlocking fork (73) to reset;

and 25, unlocking the lock shaft, namely unlocking the lock shaft (12) by the first locking mechanism (4).

Compared with the background technology, the technical scheme has the following advantages:

the first locking mechanism is locked with a lock shaft of the box door, the first driving mechanism stretches to drive the first crank arm to rotate and drive the rotating beam to do arc motion, the box door is driven to rotate to open or close the box door, automatic opening and closing of the box door are achieved, manual opening and closing are replaced, and the locking mechanism is high in working efficiency, safe, reliable, practical, simple and low in cost.

The first arc-shaped track axis is coincided with the box door rotation axis, so that the accuracy and the reliability of opening and closing of the box door are improved.

The first locking mechanism comprises a grapple and a second driving mechanism, the second driving mechanism stretches to drive the grapple to rotate so as to hook the lock shaft or loosen the hook, and the first locking mechanism is convenient to operate and simple in structure.

The second locking mechanism can lock the lock rod on the box door, the second crank arm is driven to rotate and the rotating frame is driven to do arc motion through the extension and retraction of the third driving mechanism, the lock rod is driven to rotate to drive the lock shaft to be inserted into the jack of the box body or be pulled out of the jack, automatic unlocking or locking can be achieved, and the locking mechanism is high in working efficiency, safe, reliable, practical, simple and low in cost.

The axis of the second arc-shaped track is coincident with the rotation axis of the lock shaft, so that the accuracy and reliability of unlocking and locking are improved.

The sliding block slides to drive the two clamping arms to clamp the lock rod, the lock rod is pushed into the support or pushed out of the support through the sliding of the first sliding rail, and the locking device is high in working efficiency, safe, reliable, practical, simple and low in cost.

The sixth driving mechanism drives the opening fork to move so as to be in fork joint with the lock cover, the turntable rotates so as to drive the lock cover to rotate relative to the support on the box door, so that the lock cover is controlled to lock or unlock the lock rod, and the locking mechanism is high in working efficiency, safe, reliable, practical, simple and low in cost.

The lock cover rotation axis and the turntable rotation axis are overlapped, so that the accuracy and the reliability of unlocking and locking the lock cover are improved.

The seventh driving mechanism is fixedly provided with a rack which is meshed with the gear to drive the turntable to rotate through the expansion of the seventh driving mechanism, and the structure is simple.

Drawings

The invention is further described with reference to the following figures and detailed description.

Fig. 1 is a perspective view of a container according to an embodiment.

Fig. 2 is a partially enlarged schematic view of fig. 1.

Fig. 3 is a schematic perspective view of an automatic opening and closing device for a container and a container according to an embodiment.

Fig. 4 is a partially enlarged schematic view of fig. 3.

Fig. 5 is a perspective view of a door opening and closing mechanism according to an embodiment.

Fig. 6 is a perspective view of an embodiment switching lock mechanism.

Fig. 7 is a partially enlarged schematic view of fig. 6.

Fig. 8 is a perspective view of a second latch mechanism according to an embodiment.

Fig. 9 is a schematic perspective view of the lock cover opening/closing mechanism according to the embodiment.

Fig. 10 is a perspective view of a frame of the frame mechanism according to the embodiment.

Fig. 11 is a schematic perspective view of third and fourth slide rails of the rack mechanism according to the embodiment.

Detailed Description

Referring to fig. 1 and 2, the container 1 is constructed in a conventional structure, and includes a container body and a door 11 rotatably coupled to the container body, and the door 11 is rotated to close or open a container opening of the container body. The box door 11 is movably connected with a lock shaft 12, the box body is provided with a jack, the lock shaft 12 can be driven to slide along the axial direction through the rotation of the lock shaft 12 so as to be inserted into the jack to realize the locking connection of the box door 11 and the box body, or the jack is pulled out to realize the unlocking of the locking connection. The lock shaft 12 is fixedly connected with a lock shaft support 16, the lock shaft support 16 is connected with a lock rod 13 in a swinging mode, so that the lock rod 13 can swing left and right relative to the lock shaft support 16 and can drive the lock shaft support 16 and the lock shaft 12 to swing up and down together to control the locking connection of the box door 11 and the box body. The lock rod support 15 is fixedly arranged on the box door 11, and the lock rod 13 can be clamped into the lock rod support 15 through the left-right swinging of the lock rod 13 to limit the up-down swinging of the lock rod 13; the lock rod support 15 is rotatably connected with a lock cover 14 which can rotate between a locking position and an unlocking position, the lock cover 14 positioned at the locking position is locked on the lock rod 13 so as to limit the lock rod 13 to swing left and right and up and down, and the lock cover 14 positioned at the unlocking position avoids the locking position so that the lock rod 13 can swing left and right to the position where the lock rod can swing up and down.

Referring to fig. 3 and 11, the automatic door opening and closing device for a container includes a frame mechanism 2, a door opening and closing mechanism 3, a first locking mechanism 4, a door opening and closing mechanism 5, a second locking mechanism 6, and a locking cover opening and closing mechanism 7.

The door opening and closing mechanism 3 includes a first mounting frame 31, a first arc-shaped rail 32, a first crank arm 33, a first driving mechanism 34 and a rotating beam 35, the first mounting frame 31 is mounted on the frame mechanism 2, the first arc-shaped rail 32 is fixedly mounted on the first mounting frame 31, the axis of the first arc-shaped rail 32 is coincident with the rotating axis of the door 11, one end of the first crank arm 33 is hinged on the first mounting frame 31, the other end is provided with a roller, the roller of the first crank arm 33 is adapted to be slidably connected on the first arc-shaped rail 32, one end of the first driving mechanism 34 is hinged on the first mounting frame 31, the other end is hinged in the middle of the first crank arm 33, the rotating beam 35 is fixedly connected on the portion of the first crank arm 33 close to the other end, the first driving mechanism 34 is a hydraulic cylinder or a pneumatic cylinder mechanism (the following driving mechanisms can be hydraulic cylinders or pneumatic cylinders), the first driving mechanism 34 extends and retracts to drive the first crank arm 33 to rotate, the first crank arm 33 rotates to drive the rotating beam 35 to do arc motion. The first locking mechanism 4 is arranged on the rotating beam 15 and can lock the locking shaft 12 on the door 11 of the container 1 or release the locking, and the specific structure is as follows: the first fixing seat 36 is fixedly arranged on the rotating beam 35, the first locking mechanism 4 comprises a grapple 41 and a second driving mechanism 42, the middle part of the grapple 41 is hinged on the first fixing seat 36, one end of the second driving mechanism 42 is hinged on the first fixing seat 36, the other end of the second driving mechanism 42 is hinged on the tail end of the grapple 41, and the second driving mechanism 42 extends and retracts to drive the grapple 41 to rotate so as to hook the locking shaft 12 or release the hooking. The grapple 41 of the first locking mechanism 4 hooks the lock shaft 12, and the first crank arm 33 rotates to drive the rotating beam 35 to move in an arc, thereby driving the door 11 to open or close.

This switch lock mechanism 5 includes second mounting bracket 51, second arc track 52, second turning arm 53, third actuating mechanism 54 and swivel mount 55, this second mounting bracket 51 sets firmly on rotatory roof beam 35, this second arc track 52 sets firmly on second mounting bracket 51, the axis of this second arc track 52 and the axis of rotation coincidence of lock 12, this second turning arm 53 one end articulates on second mounting bracket 51, the other end dress has the gyro wheel, this gyro wheel adaptation sliding connection is at second arc track 52, this third actuating mechanism 54 one end articulates at second mounting bracket 51, the other end is rotated and is connected at second turning arm 53 middle part, stretch out and draw back in order to drive second turning arm 53 and rotate and drive swivel mount 55 arc motion through third actuating mechanism 54. The second locking mechanism 6 is mounted on the rotating frame 55 and can lock the locking rod 13 or release the locking, and the specific structure is as follows: the second locking mechanism 6 includes a fourth driving mechanism 61, a first sliding rail 62, a sliding block 63, a fifth driving mechanism 64, two clamping arms 65, two connecting rods 66 and a second sliding rail 67, the second sliding rail 67 is fixedly arranged on the rotating frame 55, the first sliding rail 62 is connected to the second sliding rail 67 in a sliding manner, the fourth driving mechanism 61 is connected to the rotating frame 55 and is in transmission connection with the first sliding rail 62 so as to drive the first sliding rail 62 to slide, the sliding block 63 is connected to the first sliding rail 62 in a sliding manner, the fifth driving mechanism 64 is connected to the first sliding rail 62 and is in transmission connection with the sliding block 63 so as to drive the sliding block 63 to slide along the first sliding rail 62, one end of each of the two clamping arms 65 is hinged to the first sliding rail 62, one end of each of the two connecting rods 66 is hinged to the sliding block 62, the other end of each of the two clamping arms 65 is respectively hinged to drive the two clamping arms 65 to clamp the lock rod 13 or release; the first slide rail 62 is arranged vertically, and the second slide rail 67 is arranged horizontally. The sliding block 63 slides to drive the two clamping arms 65 to clamp the lock rod 13, the first sliding rail 62 moves horizontally to push the lock rod 13 from the lock seat support 15 to a position capable of swinging up and down, and the second crank arm 52 rotates to drive the rotating frame 55 to do arc motion to drive the lock rod 13 and the lock shaft 12 to swing up and down, so that the lock shaft 12 is pulled out from the jack to unlock the box door and the box body.

The lock cover opening and closing mechanism 7 comprises a third mounting frame 71, a rotary disc 72, an opening fork 73 and a sixth driving mechanism 74, wherein the third mounting frame 71 is fixedly arranged on the second mounting frame 51, the rotary disc 72 is rotatably connected to the third mounting frame 71, the rotary axis of the rotary disc 72 is superposed with the rotary axis of the lock cover 14, the sixth driving mechanism 74 is fixedly arranged at the eccentric position of the rotary disc 72, the sixth driving mechanism 74 is in transmission connection with the opening fork 73, the tail end of the opening fork 63 is concavely provided with a fork body structure which can be in adaptive fork connection with the lock cover 14, the opening fork 73 is driven by the sixth driving mechanism 74 to move so as to be in fork connection with the lock cover 14, and the lock cover 14 is driven to rotate relative to the support 15 on the box door 11 through the rotation of the rotary disc; furthermore, the locking lid opening and closing mechanism 7 includes a seventh driving mechanism 75, the rotating disk 72 is externally provided with gear teeth to form a gear, the seventh driving mechanism 75 is installed on the third mounting rack 71 and is fixedly provided with a rack, and the rack is engaged with the gear to telescopically drive the rotating disk 72 to rotate through the seventh driving mechanism 75.

The rack mechanism 2 includes a rack 21, a third slide rail 22 capable of sliding on the rack 21 along a transverse direction and a fourth slide rail 23 capable of sliding on the third slide rail 22 along an up-down direction, the first mounting rack 31 is provided with a roller capable of sliding on the fourth slide rail 23 along a longitudinal direction, an eighth driving mechanism 24, a ninth driving mechanism 25 and a tenth driving mechanism 26 are additionally provided, the eighth driving mechanism 24 is installed on the rack 21 and is in transmission connection with the third slide rail 22, the ninth driving mechanism 25 is installed on the third slide rail 22 and is in transmission connection with the fourth slide rail 23, and the tenth driving mechanism 26 is installed on the fourth slide rail 23 and is in transmission connection with the first mounting rack 31. According to the needs, still include support frame 27, this support frame 27 can be followed longitudinal direction sliding connection on fourth slide rail 23, this support frame 27 is equipped with third arc track 28, the sliding seat has set firmly on this first mounting bracket 31, this sliding seat adaptation is connected and is rotatory in order to control first mounting bracket 31 through the sliding seat activity in third arc track 28, enable this equipment through this structure and can not only open and close the container of vertical placeeing, also can open and close the container that the slope was arranged, like the container that 45 °, 60 °, 75 arranged.

The door opening method of the automatic door opening and closing device for the container comprises the following steps:

step 10, controlling the first mounting frame 31 to move to an accurate position through the eighth driving mechanism 24, the ninth driving mechanism 25 and the tenth driving mechanism 26;

step 11, in the locking cover opening step, the sixth driving mechanism 74 drives the opening fork 73 to move so that the fork body structure of the opening fork 73 is in fork connection with the locking cover 14, the seventh driving mechanism 75 drives the rotary disc 72 to rotate so as to drive the locking cover 14 to rotate anticlockwise by 195 degrees, the locking connection of the locking cover 14 to the locking rod 13 is released, and at the moment, the locking rod 13 can swing left and right;

step 12, a locking rod opening step, in which the fifth driving mechanism 64 drives the sliding block 63 to retract so as to drive the two clamping arms 65 to clamp the locking rod 13, the fourth driving mechanism 61 drives the first sliding rail 62 to move so as to enable the locking rod 13 to swing left and right by 0-20 degrees from the support 15, namely, the locking rod 13 is pushed out from the support 15, the support 15 is unlocked from the locking rod 13, and the locking rod 13 can swing up and down;

step 13, in the locking rod rotating step, the third driving mechanism 54 drives the second crank arm 53 to rotate so as to drive the rotating frame 55 to do arc motion, so as to drive the locking rod 13 to rotate 90 degrees so as to drive the locking shaft 12 to be pulled out of the jack of the container body, release the locking connection between the locking shaft 12 and the container 1, and release the locking connection between the container door and the container body;

step 14, locking the lock shaft, wherein the second driving mechanism 42 drives the grapple 41 to rotate so that the grapple 41 hooks the lock shaft 12; and

step 15, opening the door, the first driving mechanism 34 drives the first crank arm 33 to rotate so as to drive the rotating beam 35 to move in an arc, thereby driving the door 11 to rotate 135 ° to open.

The door closing method of the automatic door opening and closing device for the container comprises the following steps:

step 21, closing the door, wherein the first driving mechanism 34 drives the first crank arm 33 to rotate so as to drive the rotating beam 35 to do arc motion, so as to drive the door 11 to rotate so as to close; according to the requirement, if the left box door is pressed by the pressing plate on the right box door, the left box door is firstly closed and then the right box door is closed, and the right box door is firstly opened and then the left box door is opened.

Step 22, in the locking rod rotating step, the third driving mechanism 54 drives the second crank arm 53 to rotate so as to drive the rotating frame 55 to do arc motion, so as to drive the locking rod 13 to rotate so as to drive the locking shaft 12 to rotate for 90 degrees, so that the locking shaft 12 is inserted into the jack of the box body, and the box door and the container 1 are locked;

step 23, locking the locking rod, in which the fourth driving mechanism 61 drives the first sliding rail 62 to move so as to push the locking rod 13 into the support 15, so that the support 15 locks the locking rod 13, and the sliding block 63 resets to drive the two clamping arms 65 to release clamping;

step 24, closing the lock cover, wherein the fourth driving mechanism 61 drives the rotary disc 72 to rotate so as to drive the lock cover 14 to rotate, so that the lock cover 14 is locked on the lock rod 13, and the fifth driving mechanism 64 drives the unlocking fork 73 to reset so as to enable the fork body structure to be separated from the lock cover 14;

step 25, a lock shaft unlocking step, in which the first locking mechanism 4 releases the unlocking of the lock shaft 12;

the eighth driving mechanism 24, the ninth driving mechanism 25 and the tenth driving mechanism 26 are used for controlling the first mounting frame 31 to reset.

The full-automatic opening and closing of the box door is realized, manual opening and closing are replaced, and the full-automatic opening and closing device is high in working efficiency, safe, reliable, practical, simple and low in cost.

According to the requirement, a photoelectric sensor, a PLC and an electromagnetic multi-way reversing valve can be arranged, and the box door can be automatically opened or closed through the cooperation of the photoelectric sensor, the PLC, the electromagnetic multi-way reversing valve and a driving mechanism.

According to the needs, the automatic door opening and closing equipment for the container can be arranged on mobile equipment such as a forklift.

The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.