Leaning type reach stacker for temporary stacking of containers

Abstract

The invention belongs to the technical field of reach stacks, and particularly relates to a leaning type reach stacker for temporary stacking of containers. The leaning type reach stacker for temporary stacking of the containers comprises a mark unfolding assembly which is arranged on a touch assembly and is suitable for obtaining the weight of the hoisted container through a weight detection sensor in a lifting appliance assembly and descending a mark base rod to a corresponding position, so that when the touch assembly makes contact with the side edge of the top of the stack, the mark unfolding assembly is unfolded; and after the container pile shakes, the marking assembly moves by a preset distance along the marking base rod, so that intermittent marks are marked on the side wall of the top of the pile when the container pile shakes to the marking base rod and after the container pile restores to be static. The leaning type reach stacker can identify the stability degree of the container pile relative to the weight of the current hoisted container, and as the stability degree of each container pile near the gantry crane relative to the weight of each hoisted container is more and more completely identified, the link of aligning and stacking the hoisted container and the container pile by the reach stacker is greatly accelerated.

Description

Technical Field

[0001] The invention belongs to the technical field of reach stackers, and in particular relates to a leaning reach stacker used for temporary stacking of containers. Background Art

[0002] The reach stacker is a small container lifting vehicle commonly seen in container terminals. Its basic structure is a four-wheel chassis with a cab in the middle front part. The boom behind the cab passes over the cab and is supported by the boom angle adjustment rod in front of the cab. The front end of the boom is equipped with a lifting device that can tilt, rotate, and fine-tune the container left and right.

[0003] Due to its small size and fast movement, reach stackers are more convenient than large and slow-moving tire cranes and gantry cranes when lifting containers stacked on low floors. This is especially true when containers stacked on low floors are delayed due to customer or customs clearance reasons at the terminal. Since the time of resuming delivery is uncertain, these containers need to be transferred to other areas to avoid hindering the normal collection and placement of containers. During transshipment, reach stackers that move quickly but have limited stacking layers and gantry cranes that move slowly but can stack containers higher are usually paired. The reach stacker is responsible for delivering the delayed containers from one place at the terminal to the vicinity of the gantry crane, and temporarily stacking them on the low-level containers nearby to avoid occupying the lane, and then returning to continue transshipping the next container. The gantry crane will lift the transferred container to the high-level stacking and then wait for the next container.

[0004] Since the reach crane's boom can only be lowered diagonally, and cannot be lowered vertically like the gantry crane's cable, when aligning the container to be lifted with the container stack, the driver needs to first align the reach crane with the middle of the container stack, then slowly approach the container stack, and then gradually lower the boom. In this process, the container to be lifted may sway due to inertia due to braking when approaching the container stack and pausing the lowering of the boom to observe the landing point, as described in Publication (Announcement) No. CN117699664A. Due to the long boom, the container to be lifted may sway with the spreader. The crane arm will continue to shake for a while. According to the driver's experience, it is necessary to wait until the container being lifted returns to a stationary state or the shaking becomes smaller, and then further lower the crane arm to observe the landing point, so as to cooperate with the fine-tuning function of the spreader to align the bottom side beam of the lifted container with the top side beam of the container stack. At present, this situation occurs once for each lifted container to be aligned with the container stack. Therefore, when stacking delayed containers, the link of aligning the lifted container with the container stack by the front crane currently slows down the overall speed, and it is necessary to temporarily occupy the gantry crane for a long time, affecting the terminal's scheduling of the gantry crane. Summary of the invention

[0005] The purpose of the present invention is to provide a leaning reach stacker for temporary stacking of containers, so as to solve the technical problem that when stacking delayed containers, the reach stacker will align the hoisted containers with the container stack, which will slow down the overall speed and temporarily occupy the gantry crane for a long time.

[0006] In order to solve the above technical problems, the present invention provides a leaning reach crane for temporary stacking of containers, comprising: a touch and unfold assembly, which is connected to the spreader assembly and is suitable for lowering and unfolding the touch assembly so that the touch assembly is located below the container to be hoisted, so that it touches the side edge of the top of the stack when leaning against the container stack at a uniform speed downward, and after the touch, the reach crane pauses to lower the container to be hoisted; a marking unfolding assembly, which is arranged on the touching assembly and is suitable for obtaining the weight of the container to be hoisted through the weight detection sensor in the spreader assembly and lowering the marking base rod to the corresponding position The marking assembly is arranged so that after the touch assembly touches the side edge of the stack top and causes the container stack to shake, the marking assembly moves a preset distance along the marking base rod, so as to draw intermittent marks on the side wall of the stack top when the container stack shakes toward the marking base rod and after it returns to rest, so as to indicate the stability of the container stack relative to the weight of the current hoisted container; a leaning mechanism is arranged on the marking base rod, suitable for grasping the top corner of the container stack for fixing after the container stack is stationary, and guiding the hoisted container in the spreader assembly separated from the touch deployment assembly to align on the container stack after fixation.

[0007] The beneficial effect of the present invention is that the touch and unfolding assembly of the present invention can start to lower and unfold the touch assembly during the transportation process after the front crane lifts the lifted container, and lower the marking base rod to the corresponding position. When the front crane transports the lifted container to a certain container stack, it only needs to normally move the lifted container obliquely downward at a uniform speed toward the container stack, so that the touch assembly touches the side edge of the top of the stack and pauses for a while. During the movement of the marking base rod, the marking assembly can utilize the shaking of the container stack caused by the touch assembly to draw intermittent marks on the side wall of the top of the stack when the container stack shakes toward the marking base rod and after it returns to rest. The more stable the container stack is relative to the weight of the current lifted container, the lower the proportion of the intermittent part in the intermittent marks drawn at the corresponding height of the side wall of the top of the stack, and the greater the proportion of the continuous part, thereby being able to indicate the stability of the container stack relative to the weight of the current lifted container. After the marking component is marked, the container stack can also recover from the shaking, and the leaning mechanism can grasp the top corner of the container stack for fixing, thereby guiding the lifted container in the spreader assembly separated from the touch and unfolding assembly to align on the container stack, and complete the stacking of the lifted container. Afterwards, as the stability of each container stack near the gantry crane relative to the weight of each lifted container is marked more and more completely, when the weight of the subsequent lifted container has been marked before, the container stack that is most stable relative to the weight of the lifted container can be directly selected for leaning, and the container stack will recover as quickly as possible, thereby completing the stacking at the fastest speed. When stacking a batch of delayed containers, the alignment and stacking of the lifted container with the container stack by the front crane will be greatly accelerated, and the gantry crane will no longer be occupied for a long time, which can minimize the impact on the terminal scheduling work. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the prior descriptions will be briefly introduced below. Obviously, the drawings in the following description are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0009] Figure 1 The structure of the front crane for temporary stacking of containers according to the present invention is shown in FIG. Figure 1 ;

[0010] Figure 2 The structure of the front crane for temporary stacking of containers according to the present invention is shown in FIG. Figure 2 ;

[0011] Figure 3 The structure of the front crane for temporary stacking of containers according to the present invention is shown in FIG. Figure 3 ;

[0012] Figure 4 yes Figure 3 The enlarged view of point B in the middle;

[0013] Figure 5 yes Figure 3 Enlarged view of point C in the middle;

[0014] Figure 6 The structure of the front crane for temporary stacking of containers according to the present invention is shown in FIG. Figure 4 ;

[0015] Figure 7 yes Figure 6 The enlarged view of point D in the middle;

[0016] Figure 8 It is a schematic diagram of the marks drawn on the side wall of the top of the stack by the leaning reach stacker for temporary stacking of containers of the present invention;

[0017] Fig. 9 The structure of the front crane for temporary stacking of containers according to the present invention is shown in FIG. Figure 5 ;

[0018] Fig.10 yes Fig. 9 Enlarged view of point E in the middle;

[0019] Fig.11 yes Fig. 9 The enlarged view of F in the middle;

[0020] Fig.12 yes Figure 1 The enlarged view of point A in the middle;

[0021] Fig.13 The structure of the front crane for temporary stacking of containers according to the present invention is shown in FIG. Figure 6 ;

[0022] Fig.14 yes Fig.13 Enlarged view of G in the middle;

[0023] Fig.15 The structure of the front crane for temporary stacking of containers according to the present invention is shown in FIG. Figure 7 ;

[0024] Fig.16 yes Fig.15 The enlarged view of the H in the middle;

[0025] Fig.17 The structure of the front crane for temporary stacking of containers according to the present invention is shown in FIG. Figure 8 ;

[0026] Fig.18 yes Fig.17 The enlarged view of point I in the middle;

[0027] In the figure:

[0028] Touch unfolding assembly 100, touch unfolding base 110, mounting base 120, lifting arm clamping electric cylinder 130, clamping electric cylinder extension end 131, four-sided prism plug 140, lifting arm 150, slot 160, lifting arm extension end 151, touch unfolding rotating arm 170, rotating arm part 171,

[0029] Spreader assembly 200, weight detection sensor 210, spreader base plate 220, container grabbing arm 230,

[0030] Touch assembly 300, touch substrate 310, vertical touch block 320, horizontal touch block drive motor 330, drive horizontal touch block slide 340, horizontal touch block 350, stack top side edge touch angle 360,

[0031] The lifted container 410, the bottom side edge 411, the container stack 420, the top side edge 421, the top side wall 422, the top corner 423,

[0032] Mark the unfolding assembly 500, mark the base rod 510, mark the rotating arm 520, the lifting linear module 530, the lifting linear module slider 531, mark the linear module 540, mark the linear module slider 541,

[0033] Marking assembly 600, marking electric cylinder 610, marking box 620, marking pen 621, marking plate 622, fitting spring 623, marking distance sensor 630, extension rod 640, container stack spacing sensor 650,

[0034] The leaning mechanism 700, the fixed walking block 710, the side holding rod 720, the top corner plug rod 721, the top corner protrusion 722,

[0035] The guide slider pulls the motor 810 and the guide slider 820.

[0036] Intermittent mark 910, continuous mark 920. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments of ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] Example

[0039] like Figure 1 As shown, the present invention provides a leaning reach stacker for temporary stacking of containers, comprising: a touch and unfold assembly 100, which is connected to a spreader assembly 200, and is suitable for lowering and unfolding a touch assembly 300, so that the touch assembly 300 is located below the hoisted container 410, and combined with Figure 2 , so as to touch the top side edge 421 of the container stack 420 when moving obliquely downward at a uniform speed, and after the touch, the reach stacker stops lowering the lifted container 410; in at least one embodiment, the touch assembly 300 follows the oblique downward uniform movement of the spreader assembly 200, which can be achieved by, but not limited to, the driver's control of the reach stacker; Figure 1 As shown, the marking deployment component 500 is arranged on the touch component 300, and is suitable for obtaining the weight of the hoisted container 410 through the weight detection sensor 210 in the spreader component 200 and lowering the marking base rod 510 to the corresponding position, so that after the touch component 300 touches the top side edge 421 of the stack, causing the container stack 420 to shake, the marking base rod 510 can be combined with the marking base rod 510 to move the container stack 420 to the container stack 420. Figure 2 , so that the marking assembly 600 moves a preset distance along the marking base rod 510, so as to draw intermittent marks on the top side wall 422 of the stack when the container stack 420 swings toward the marking base rod 510 and after returning to rest, so as to indicate the stability of the container stack 420 relative to the weight of the current hoisted container 410; Figure 1 and Figure 2 As shown, the leaning mechanism 700 is arranged on the marking base rod 510, and is suitable for grasping the top corner 423 of the container stack 420 for fixing after the container stack 420 is stationary, and after fixing, guides the lifted container 410 in the spreader assembly 200 separated from the touch deployment assembly 100 to align on the container stack 420. In at least one embodiment, each of the touch deployment assembly 100, the spreader assembly 200, the touch assembly 300, the marking deployment assembly 500, the marking assembly 600, and the leaning mechanism 700 can be controlled by a PLC module.

[0040] The touch and unfold assembly 100 of the present invention can start to lower and unfold the touch assembly 300 and lower the marking base rod 510 to the corresponding position during the transportation process after the front crane lifts the container 410 to be lifted. When the front crane transports the container 410 to a certain container pile 420, it only needs to move the container 410 downward at a constant speed toward the container pile 420, so that the touch assembly 300 touches the side edge 421 of the pile top and pauses for a while, and the marking assembly 600 can move on the marking base rod 510. During the process, the shaking of the container stack 420 caused by the touch component 300 is used to mark intermittent marks on the top side wall 422 of the stack when the container stack 420 shakes toward the marking base rod 510 and after it returns to rest. When the container stack 420 is more stable relative to the weight of the current hoisted container 410, the proportion of the discontinuous part in the intermittent marks marked at the corresponding height of the top side wall 422 is lower and the proportion of the continuous part is higher, thereby being able to indicate the stability of the container stack 420 relative to the weight of the current hoisted container 410. When the marking component 600 is completed, the container stack 420 can also recover from the shaking, and the leaning mechanism 700 can grasp the top corner 423 of the container stack 420 for fixing, thereby guiding the suspended container 410 in the spreader component 200 separated from the touch deployment component 100 to align on the container stack 420, and complete the stacking of this suspended container 410. Afterwards, as the stability of each container stack 420 near the gantry crane relative to the weight of each suspended container 410 is marked more and more completely, when the weight of the subsequent suspended container 410 has been marked before, the container stack 420 that is most stable relative to the weight of the suspended container 410 can be directly selected for leaning, and the container stack 420 will recover as quickly as possible, thereby completing the stacking at the fastest speed. When stacking a batch of delayed containers, the alignment and stacking of the suspended containers with the container stack by the front crane is greatly accelerated, and the gantry crane will no longer be occupied for a long time, which can minimize the impact on the terminal scheduling work.

[0041] like Figure 3 and Figure 4 As shown, the marking deployment component 500 may include: a marking rotating arm 520, which is arranged on the touch substrate 310 of the touch component 300; a lifting linear module 530, which is connected to the marking rotating arm 520 and aligned with the center of the sling assembly 200, and the marking base rod 510 is arranged on the lifting linear module slider 531 to lower the marking base rod 510 to the corresponding position after obtaining the weight of the hoisted container 410; in at least one embodiment, the lifting linear module 530 can adopt a rack-type linear module with stronger load capacity; a pair of marking linear modules 540, which are symmetrically arranged on the bottom surface of the marking base rod 510, combined with Figure 5, the marking linear module slider 541 is provided with the marking component 600, which is suitable for driving the marking component 600 to move uniformly from the middle to the outside after the touching component 300 touches the top side edge 421 of the pile; in at least one embodiment, the marking linear module 540 can be but is not limited to a screw-type linear module; Figure 5 As shown, the marking assembly 600 may include: a marking electric cylinder 610, which is arranged on the marking linear module slider 541, and is suitable for pushing the marking box 620 out of a preset distance after the marking linear module slider 541 slides, so as to combine with the marking cylinder 610 to push the marking box 620 out of a preset distance when the container stack 420 swings toward the marking base rod 510 and after returning to rest. Figure 6 and Figure 7 , the marking pen 621 in the marking box 620 is brought into contact with the top side wall 422 of the stack, and intermittent marks corresponding to the shaking degree of the container stack 420 are drawn on the top side wall 422 to mark the stability of the container stack 420 relative to the weight of the current hoisted container 410. Figure 7 As shown, the marking linear module slider 541 is provided with a marking distance sensor 630, so that the marking linear module slider 541 stops after moving outwards to a preset distance; Figure 5 , the marking linear module slider 541 is provided with an extension rod 640, on which a container stack spacing sensor 650 is provided; in at least one embodiment, the marking distance sensor 630 and the container stack spacing sensor 650 can be but not limited to a laser distance sensor; the marking linear module slider 541 is suitable for continuing to move outward at a uniform speed along the restored container stack 420 after the spacing obtained by the container stack spacing sensor 650 is stable, so that the marking pen 621 continues to mark continuously after intermittent marking.

[0042] Figure 8 4 shows an example of marking intermittent marks 910 and continuous marks 920 on the top side wall 422. For example, if the weight of the container 410 lifted by the front crane for the first time is 20 tons, the lifting linear module 530 can lower the marking base rod 510 to Figure 8 The height of the mark in the upper middle part is then touched by the touch assembly 300 and the top side edge 421 of the stack, and the mark linear module 540 drives the mark assembly 600 to move uniformly from the middle to the outside. It should be noted that due to the placement mechanism 700, the reach stacker does not need to be accurately aligned with the center of the container stack 420, which will be further explained later. Figure 8The discontinuous marks 910 and the continuous marks 920 are not symmetrical about the center of the top side wall 422. For a period of time after the contact, since the container stack 420 is shaking, the marking pen 621 can only contact the top side wall 422 when the container stack 420 shakes toward the side of the marking base rod 510. Therefore, this feature can be used to make the marking pen 621 draw discontinuous marks 910 on the top side wall 422. When the container stack 420 is more stable relative to the current 20-ton lifted container 410, the discontinuous part of the discontinuous marks 910 drawn at the height of the top side wall 422 will account for a lower proportion and the continuous part will account for a higher proportion. For example, the weight of the lifted container 410 lifted by the front loader for the first time is 25 tons, and the lifting linear module 530 can lower the marking base rod 510 to Figure 8 At the height of the mark in the lower middle part, the discontinuous part of the intermittent mark 910 will account for a slightly larger proportion.

[0043] However, since it is impossible to know in advance the stability of the container stack 420 relative to the weight of the suspended container 410, the container stack 420 may also shake for a long time. Therefore, a marking distance sensor 630 and a container stack spacing sensor 650 are provided to make the marking linear module slider 541 move outward a preset distance and then stop. After the spacing obtained by the container stack spacing sensor 650 stabilizes, that is, after waiting for the container stack 420 to return to stillness, the marking pen 621 is used to draw a continuous mark 920 following the intermittent mark 910. When the discontinuous part of the intermittent mark 910 continues to the continuous mark 920, it can also be used as an indication, indicating that the container stack 420 is not very stable relative to the weight of the suspended container 410. When a suspended container 410 of this weight is encountered later, this container stack 420 has the lowest priority for placement.

[0044] In this way, it is possible to identify the stability of each container stack 420 near the gantry crane relative to the weight of each lifted container 410. When the weight of a subsequent lifted container 410 has been marked before, the container stack 420 that is most stable relative to the weight of the lifted container 410 can be directly selected for docking. That is, among all the discontinuous marks 910 at the height of the top side wall 422 corresponding to the weight of the lifted container 410, the container stack 420 with the smallest proportion of discontinuous parts is selected for docking. In this way, the container stack 420 will return to rest as quickly as possible, thereby completing the stacking at the fastest speed.

[0045] Combination Fig. 9 , Fig.10 and Figure 5, the marking linear module slider 541 is suitable for stopping after the distance obtained by any container stack spacing sensor 650 exceeds the threshold value, indicating that the container stack spacing sensor 650 is just facing the edge of the container stack 420, and the actual outward movement distance is obtained through the corresponding marking distance sensor 630. Since the lifting linear module 530 is aligned with the center of the spreader assembly 200, the marking base rod 510 is also aligned with the center of the spreader assembly 200, and the two marking linear module sliders 541 move outward from the middle at the same time. In consideration of improving the stacking speed, the front crane can be allowed to have some deviations without accurately aligning with the center of the container stack 420. Therefore, after obtaining the actual outward movement distance, the lateral distance between the hoisted container 410 and the container stack 420 can be obtained by comparing it with the theoretical outward movement distance when the front crane is aligned with the center of the container stack 420, so that the spreader assembly 200 moves the hoisted container 410 laterally by a corresponding distance, and the hoisted container 410 is aligned with the container stack 420 in the lateral direction.

[0046] like Figure 2 and Fig.10 , Fig.11 As shown, the leaning mechanism 700 may include: a pair of fixed walking blocks 710, which are arranged on the left and right parts of the top surface of the marking base rod 510 and are suitable for walking on the marking base rod 510; the fixed walking blocks 710 are each provided with a side holding rod 720, and the side holding rod 720 is each provided with a top angle plug rod 721 and a top angle protrusion 722, so that when the pair of fixed walking blocks 710 moves toward the middle, the reference Fig.13 The top corner insertion rods 721 are respectively inserted into the two top corners 423 of the container stack 420, and the top corner protrusions 722 are respectively attached to the side surfaces of the two top corners 423, so that the marking base rod 510 is fixed on the container stack 420.

[0047] like Figure 1 and Fig.12 As shown, the spreader assembly 200 may include: a weight detection sensor 210, one end of which is connected to the front-end lifting arm; in at least one embodiment, the weight detection sensor 210 may be an S-type weighing sensor; a spreader base plate 220, which is connected to the other end of the weight detection sensor 210; a container grabbing arm 230, which is arranged on the bottom surface of the spreader base plate 220, Fig. 9 , suitable for horizontally moving the container 410 to be lifted; it should be noted that the container grabbing arm 230 is a conventional component of the reach stacker and is a prior art; Fig.12 As shown, the touch-to-expand assembly 100 may include: a touch-to-expand base 110, which is connected to the sling base 220 and has a pair of mounting seats 120 thereon; Fig.13 and Fig.14, the mounting seat 120 is provided with a lifting arm clamping electric cylinder 130, and the clamping electric cylinder protruding end 131 is provided with a four-sided pyramid plug 140; the lifting arm 150 has a slot 160 adapted to the four-sided pyramid plug 140 on its side wall to be clamped by the lifting arm clamping electric cylinder 130, and the lifting arm protruding end 151 is connected to a touch unfolding rotating arm 170; Fig.15 and Fig.15 As shown, the touch substrate 310 is connected to the touch unfolding rotating arm 170 .

[0048] like Fig.16 As shown, the arm portion 171 of the touch and unfold rotating arm 170 is provided with a guide slider traction motor 810; in at least one embodiment, the marking rotating arm 520 and the touch and unfold rotating arm 170 used in the front crane can adopt a heavy-duty rotating arm with a self-locking function; the arm portion 171 is provided with a guide slider 820, which is connected to the guide slider traction motor 810 through a traction rope; it should be noted that the traction rope in the accompanying drawings is hidden and not shown; refer to Fig.13 and Fig.14 The lifting arm clamping electric cylinder 130 is suitable for retracting the clamping electric cylinder extension end 131 after the marking base rod 510 is fixed on the container stack 420, so that the suspended container 410 is separated from the lifting arm 150 and continues to be lowered; Fig.16 , Fig.17 and Fig.18 The guide slider traction motor 810 is suitable for lowering the guide slider 820 to dock with the bottom side edge 411 of the container 410 being hoisted, and guide the container 410 being hoisted to align on the container stack 420. In at least one embodiment, the docking of the guide slider 820 with the bottom side edge 411 of the container 410 being hoisted after being lowered can be achieved by, but not limited to, combining a distance sensor or an image recognition sensor with the pay-out of the guide slider traction motor 810.

[0049] like Fig.16 and Fig.18 As shown, the touch assembly 300 may include: a vertical touch block 320, which is arranged on the touch substrate 310; a horizontal touch block driving motor 330, which is arranged on the touch substrate 310 and is suitable for driving the horizontal touch block 350 in the horizontal touch block slide groove 340 to extend, referring to Figure 1 , so as to form a stack top side edge touch angle 360 ​​with the vertical touch block 320. When encountering a container with a reinforcing beam between the top angles 423 of the bottom surface, the horizontal touch block 350 can be retracted by the horizontal touch block driving motor 330 after being fixed to prevent the horizontal touch block 350 from interfering with the stacking.

[0050] like Figure 7As shown, due to the characteristics of the container, there are grooves on the top side wall 422. In at least one embodiment, a plurality of marking pens 621 are provided in the marking box 620. Each marking pen 621 is arranged on a marking plate 622. The marking plate 622 is connected to the bottom of the box through a fitting spring 623 so that the marking plate 622 can extend into the groove when encountering the groove and withdraw when leaving the groove.

[0051] The working process of the lean-to reach stacker used for temporary stacking of containers is generally described below.

[0052] like Figure 1 As shown, after the front loaders lift the container 410, during the transportation process, Fig.13 and Fig.15 , the lifting arm extension end 151 can be lowered by the lifting arm 150, referring to Fig.16 The touch-opening rotating arm 170 rotates to unfold the touch base 310 to the bottom of the suspended container 410, and at the same time, the horizontal touch block 350 is extended by the horizontal touch block driving motor 330 to return to the Figure 1 , forming a stack top side edge contact angle 360 ​​with the vertical contact block 320, reference Figure 4 , the lifting linear module 530 also lowers the marking base rod 510 to the corresponding position; then, refer to Figure 2 When the front loader transports the container 410 to a container stack 420, the container 410 is normally moved obliquely downward toward the container stack 420 at a uniform speed, so that the top side edge of the stack touches the top side edge 421 at an angle of 360. After the touch, the container 410 pauses for a while. Figure 3 , Figure 4 , Figure 5 , Figure 7 The marking linear module slider 541 drives the marking assembly 600 to move uniformly from the middle to the outside, and the shaking of the container stack 420 caused by the contact angle 360 ​​of the top side edge of the stack and the contact of the top side edge 421 of the stack is used. Figure 8 When the container stack 420 swings toward the marking base rod 510 and after it returns to rest, an intermittent mark 910 is drawn on the top side wall 422 of the stack, and then the marking linear module slider 541 moves outward for a preset distance and stops, and after the spacing obtained by the container stack spacing sensor 650 is stable, that is, after waiting for the container stack 420 to return to rest, the marking linear module slider 541 continues to move outward, and the marking pen 621 draws a continuous mark 920 following the intermittent mark 910, thereby marking the stability of the container stack 420 relative to the weight of the current hoisted container 410, combined with Fig. 9 , Fig.10 and Figure 5, until the distance obtained by any container stack spacing sensor 650 exceeds the threshold, it stops, indicating that the container stack spacing sensor 650 is just facing the edge of the container stack 420. In the above manner, the container grabbing arm 230 is used to align the lifted container 410 with the container stack 420 in the lateral direction. Then, in the same manner as above, Figure 2 and Fig.10 , Fig.11 As shown, the top corner insert rods 721 are respectively inserted into the two top corners 423 of the container stack 420, and the top corner protrusions 722 are respectively attached to the sides of the two top corners 423, so that the marking base rod 510 is fixed on the container stack 420. Fig.13 and Fig.14 After the marking base rod 510 is fixed on the container stack 420, the lifting arm clamping electric cylinder 130 retracts the clamping electric cylinder extension end 131, so that the hoisted container 410 is separated from the lifting arm 150, so that the hoisted container 410 can continue to be lowered, combined with Fig.16 , Fig.17 and Fig.18 , and the guide slider traction motor 810 can lower the guide slider 820 to dock with the bottom side edge 411 of the hoisted container 410, and guide the hoisted container 410 to align on the container stack 420. After stacking is completed, the container grabbing arm 230 releases the hoisted container 410, and the guide slider traction motor 810 retracts the guide slider 820. Since the four-sided pyramid plug 140 is provided on the protruding end 131 of the clamping electric cylinder, its alignment with the slot 160 does not need to be very precise, but only needs to be roughly aligned. During the process of inserting the four-sided pyramid plug 140 into the slot 160, the fixed walking block 710 releases the two top corners 423, and the lifting arm 150 and the associated parts can be reset, so that it can be stacked after completion. After that, the connection is quickly restored to carry out the next container transfer. Afterwards, as the stability of each container stack 420 near the gantry crane relative to the weight of each lifted container 410 is marked more and more completely, when the weight of the subsequent lifted container 410 has been marked before, the container stack 420 that is most stable relative to the weight of the lifted container 410 can be directly selected for docking. The container stack 420 will return to stillness as quickly as possible, thereby completing the stacking at the fastest speed. Therefore, when stacking a batch of delayed containers, the process of aligning and stacking the lifted containers with the container stack by the front crane is greatly accelerated, the gantry crane will no longer be occupied for a long time, and the impact on the terminal scheduling work can be minimized.

[0053] In summary, the touch and unfold assembly 100 of the present invention can start to lower and unfold the touch assembly 300 and lower the marking base rod 510 to the corresponding position during the transportation process after the front crane lifts the container 410 to be lifted. When the front crane transports the container 410 to a certain container pile 420, it only needs to move the container 410 downward at a constant speed toward the container pile 420, so that the touch assembly 300 touches the side edge 421 of the pile top and pauses for a while, and the marking assembly 600 can be moved on the marking base rod 510. During the upward movement, the shaking of the container stack 420 caused by the touch component 300 is used to mark intermittent marks on the top side wall 422 of the stack when the container stack 420 shakes toward the marking base rod 510 and after it returns to rest. When the container stack 420 is more stable relative to the weight of the current hoisted container 410, the proportion of the discontinuous part in the intermittent marks marked at the corresponding height of the top side wall 422 is lower and the proportion of the continuous part is higher, thereby being able to indicate the weight of the container stack 420 relative to the current hoisted container 410. The stability of the container stack 420 is determined by the marking component 600. After the marking component 600 is marked, the container stack 420 can also recover from the shaking, and the leaning mechanism 700 can grasp the top corner 423 of the container stack 420 for fixing, thereby guiding the lifted container 410 in the spreader component 200 separated from the touch deployment component 100 to align on the container stack 420, and complete the stacking of this lifted container 410. Afterwards, as the stability of each container stack 420 near the gantry crane relative to the weight of each lifted container 410 is marked more and more completely, when the weight of the subsequent lifted container 410 has been marked before, the container stack 420 that is most stable relative to the weight of the lifted container 410 can be directly selected for leaning, and the container stack 420 will recover as quickly as possible, thereby completing the stacking at the fastest speed. When stacking a batch of delayed containers, the alignment and stacking of the lifted containers with the container stack by the front crane is greatly accelerated, and the gantry crane will no longer be occupied for a long time, which can minimize the impact on the terminal scheduling work.

[0054] In the embodiments provided in this application, it should be understood that the disclosed systems and devices can be implemented in other ways. The embodiments described above are only exemplary. For example, the division of the mechanism is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.

[0055] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0056] Based on the above-mentioned ideal embodiments of the present invention, and through the above-mentioned description, relevant technicians can make various changes and modifications without departing from the technical concept of the present invention. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A lean-to reach stacker for temporary stacking of containers, characterized in that: include: A touch and unfold assembly (100) is connected to the spreader assembly (200) and is suitable for lowering and unfolding the touch assembly (300) so that the touch assembly (300) is located below the container (410) being lifted so as to touch the top side edge (421) of the container pile (420) when moving obliquely downward at a uniform speed, and after the touch, the reach crane stops lowering the container (410); A marking deployment component (500) is arranged on the touch component (300) and is suitable for obtaining the weight of the hoisted container (410) through the weight detection sensor (210) in the spreader component (200) and lowering the marking base rod (510) to a corresponding position, so that after the touch component (300) touches the top side edge (421) of the stack, causing the container stack (420) to shake, the marking component (600) moves a preset distance along the marking base rod (510), so that when the container stack (420) shakes toward the marking base rod (510) and after it returns to rest, intermittent marks are drawn on the top side wall (422) of the stack, so as to mark the stability of the container stack (420) relative to the weight of the current hoisted container (410); A resting mechanism (700) is arranged on the marking base rod (510) and is suitable for grasping the top corner (423) of the container stack (420) for fixing after the container stack (420) is stationary, and guiding the suspended container (410) in the spreader assembly (200) separated from the touch deployment assembly (100) to align on the container stack (420) after fixing.

2. The lean-to reach stacker for temporary stacking of containers according to claim 1, characterized in that: The tag expansion component (500) comprises: A marking rotating arm (520) is arranged on a touch substrate (310) of the touch assembly (300); A lifting linear module (530) is connected to the marking rotating arm (520) and aligned with the center of the lifting tool assembly (200); the marking base rod (510) is arranged on a lifting linear module slider (531) so as to lower the marking base rod (510) to a corresponding position after obtaining the weight of the lifted container (410); A pair of marking linear modules (540) are symmetrically arranged on the bottom surface of the marking base rod (510), and the marking components (600) are both arranged on the marking linear module sliders (541), and are suitable for driving the marking components (600) to move uniformly from the middle to the outside after the touching components (300) touch the side edges (421) of the pile top; The marking assembly (600) comprises: The marking electric cylinder (610) is arranged on the marking linear module slider (541) and is suitable for pushing the marking box (620) out of a preset distance after the marking linear module slider (541) slides, so that when the container stack (420) shakes toward the marking base rod (510) and after it returns to rest, the marking pen (621) in the marking box (620) contacts the top side wall (422) of the stack, and draws intermittent marks corresponding to the shaking degree of the container stack (420) on the top side wall (422), so as to mark the stability of the container stack (420) relative to the weight of the currently suspended container (410).

3. The lean-to reach stacker for temporary stacking of containers according to claim 2, characterized in that: The marking linear module slider (541) is provided with a marking distance sensor (630) to make the marking linear module slider (541) stop after moving outwards a preset distance; The marking linear module sliders (541) are each provided with an extension rod (640), on which a container stack spacing sensor (650) is provided; The marking linear module slider (541) is adapted to continue to move outward at a uniform speed along the container stack (420) that has returned to rest after the spacing obtained by the container stack spacing sensor (650) is stabilized, so that the marking pen (621) continues to mark continuously after the intermittent marking.

4. The lean-to reach stacker for temporary stacking of containers according to claim 3, characterized in that: The marking linear module slider (541) is suitable for stopping after the distance obtained by any container stack spacing sensor (650) exceeds a threshold value, and obtaining the actual outward movement distance through the corresponding marking distance sensor (630) to obtain the lateral distance between the suspended container (410) and the container stack (420), so that the sling assembly (200) can move the suspended container (410) laterally by a corresponding distance.

5. The lean-to reach stacker for temporary stacking of containers according to claim 4, characterized in that: The resting mechanism (700) comprises: A pair of fixed walking blocks (710), which are arranged on the left and right parts of the top surface of the marking base rod (510) and are suitable for walking on the marking base rod (510); The fixed walking blocks (710) are each provided with a side holding rod (720), and the side holding rod (720) is each provided with a top corner insertion rod (721) and a top corner protrusion (722), so that when the pair of fixed walking blocks (710) moves toward the middle, the top corner insertion rod (721) is respectively inserted into the two top corners (423) of the container stack (420), and the top corner protrusion (722) is respectively attached to the side surfaces of the two top corners (423), so that the marking base rod (510) is fixed on the container stack (420).

6. The lean-to reach stacker for temporary stacking of containers according to claim 5, characterized in that: The sling assembly (200) comprises: A weight detection sensor (210), one end of which is connected to the front crane arm; A sling base plate (220) connected to the other end of the weight detection sensor (210); A container grabbing arm (230), which is arranged on the bottom surface of the spreader base plate (220) and is suitable for moving the lifted container (410) laterally; The touch-to-expand component (100) comprises: A touch unfolding base (110) connected to the sling base plate (220) and having a pair of mounting seats (120) disposed thereon; The mounting seat (120) is provided with a lifting arm clamping electric cylinder (130), and the protruding end (131) of the clamping electric cylinder is provided with a four-sided pyramid plug (140); A lifting arm (150) has a side wall provided with a slot (160) adapted to the four-sided pyramid plug (140) so as to be clamped by the pair of lifting arm clamping cylinders (130), and a lifting arm extending end (151) is connected to a touch unfolding rotating arm (170); The touch substrate (310) is connected to the touch unfolding rotating arm (170).

7. The lean-to reach stacker for temporary stacking of containers according to claim 6, characterized in that: The rotating arm portion (171) of the touch-and-unfold rotating arm (170) is provided with a guiding slider traction motor (810); The rotating arm portion (171) is provided with a guide slider (820), which is connected to the guide slider traction motor (810) via a traction rope; The lifting arm clamping electric cylinder (130) is suitable for retracting the protruding end (131) of the clamping electric cylinder after the marking base rod (510) is fixed on the container stack (420), so that the lifted container (410) is separated from the lifting arm (150) and continues to be lowered; The guide slider traction motor (810) is suitable for lowering the guide slider (820) to dock with the bottom side edge (411) of the suspended container (410) and guide the suspended container (410) to align on the container stack (420).

8. The lean-to reach stacker for temporary stacking of containers according to claim 7, characterized in that: The touch assembly (300) comprises: A vertical touch block (320) is arranged on the touch substrate (310); A horizontal touch block driving motor (330) is arranged on the touch substrate (310) and is suitable for driving the horizontal touch block (350) in the horizontal touch block slide groove (340) to extend so as to form a stack top side edge touching angle (360) with the vertical touch block (320).

9. The lean-to reach stacker for temporary stacking of containers according to claim 8, characterized in that: The marking box (620) is provided with a plurality of marking pens (621), each marking pen (621) is arranged on a marking plate (622), and the marking plate (622) is connected to the bottom of the box through a fitting spring (623).

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