阅读说明：本技术 具有防坠功能的堆垛机 (Stacker with anti-falling function ) 是由 李畅 于 2021-08-04 设计创作，主要内容包括：本发明公开一种具有防坠功能的堆垛机,其中,具有防坠功能的堆垛机包括机架、载货台组件、驱动电机、升降驱动绳、防坠触发机构和抱紧装置；防坠触发机构包括传动连接的断绳触发组件和刹车触发组件,断绳触发组件与升降驱动绳一端固定连接,并活动安装于载货台组件,刹车触发组件与载货台组件活动连接；抱紧装置安装于载货台组件上并与刹车触发组件固定连接；其中,断绳触发组件和刹车触发组件之间连接有传动件,当升降驱动绳断裂时,断绳触发组件和载货台组件产生相对滑移,以使传动件触发刹车触发组件进而驱使抱紧装置夹紧导轨,以将载货台组件和导轨相对固定在一起。本发明技术方案提高堆垛机的安全性能。(The invention discloses a stacker with an anti-falling function, wherein the stacker with the anti-falling function comprises a rack, a cargo carrying platform assembly, a driving motor, a lifting driving rope, an anti-falling triggering mechanism and a holding device; the anti-falling triggering mechanism comprises a rope breaking triggering assembly and a brake triggering assembly which are in transmission connection, the rope breaking triggering assembly is fixedly connected with one end of the lifting driving rope and is movably arranged on the cargo carrying platform assembly, and the brake triggering assembly is movably connected with the cargo carrying platform assembly; the holding device is arranged on the cargo carrying platform assembly and is fixedly connected with the brake triggering assembly; wherein, be connected with the driving medium between disconnected rope trigger subassembly and the brake trigger subassembly, when the lift actuating rope fracture, disconnected rope trigger subassembly and carry cargo bed subassembly and produce relative slip to make the driving medium trigger the brake trigger subassembly and then order about and hold tightly the device and press from both sides tight guide rail, in order to be in the same place with carrying cargo bed subassembly and guide rail relatively fixed. The technical scheme of the invention improves the safety performance of the stacker.)

1. A stacker with anti-falling function is characterized by comprising

The device comprises a rack, a first guide rail and a second guide rail, wherein the rack is provided with the guide rail;

the cargo carrying platform assembly is slidably mounted on the guide rail so as to be capable of lifting along the rack;

a drive motor;

one end of the lifting driving rope is in transmission connection with the driving motor;

the anti-falling triggering mechanism comprises a rope breaking triggering assembly and a brake triggering assembly which are in transmission connection, the rope breaking triggering assembly is fixedly connected with the other end of the lifting driving rope and movably arranged on the cargo carrying platform assembly, and the brake triggering assembly is movably connected with the cargo carrying platform assembly;

the holding device is arranged on the cargo carrying platform assembly and is fixedly connected with the brake triggering assembly;

the lifting driving rope is broken, the broken rope triggering assembly and the goods carrying platform assembly slide relatively, so that the transmission piece triggers the brake triggering assembly to drive the clasping device to clamp the guide rail, and the goods carrying platform assembly and the guide rail are fixed relatively together.

2. The stacker with the anti-falling function according to claim 1, wherein the cargo bed assembly comprises a cargo bed guide frame, a pull rod mounting seat is fixed on the cargo bed guide frame, the rope breakage triggering assembly comprises a pull rod piece and a limiting block, one end of the pull rod piece is fixedly connected with the lifting driving rope, and the other end of the pull rod piece penetrates through the pull rod mounting seat and is fixedly arranged on the limiting block in a penetrating manner.

3. The stacker with the falling prevention function according to claim 2, wherein the limiting block is provided with a mounting hole, the pull rod piece is sleeved with a trigger spring and is arranged in the mounting hole in a penetrating manner, one end of the trigger spring is fixed with the pull rod mounting seat, and the other end of the trigger spring is fixed in the mounting hole of the limiting block.

4. The stacker with the falling prevention function according to claim 2, wherein a protrusion is arranged at one end of the limiting block, which is away from the pull rod mounting seat, one end of the transmission member abuts against the lower surface of the protrusion, which is away from the pull rod mounting seat, and the other end of the transmission member is connected with the brake triggering assembly.

5. The stacker with the falling prevention function according to claim 4, wherein the brake triggering assembly comprises a triggering portion and a limiting portion, the limiting portion is movably mounted on the guide frame of the cargo carrying platform and is fixedly connected with the clasping device, one end of the triggering portion is fixedly connected with the transmission member, and the other end of the triggering portion is movably connected with the limiting portion, so that the triggering portion can be fixed or separated from the limiting portion under the driving of the transmission member.

6. The stacker crane with fall prevention function according to claim 5, wherein said triggering portion comprises a triggering shaft, a trigger shaft mounting seat is fixed on the guide frame of the cargo carrying platform, the trigger shaft is movably mounted on the trigger shaft mounting seat, the limiting part comprises a self-locking part and a propping part which are fixedly connected, the guide frame of the cargo carrying table is provided with an installation plate, a guide rod is fixed on the mounting plate, the self-locking part is movably arranged on the guide rod, one end of the abutting part is fixedly connected with the self-locking part, the clasping device comprises a braking plate and a clasping component which are elastically connected, the other end of the abutting part is fixedly connected with the braking plate, under the driving of the transmission part, the trigger shaft is fixed or separated from the self-locking part, and the abutting part drives the brake plate to slide relative to the clasping component.

7. The stacker with the falling prevention function according to claim 6, wherein the trigger shaft is provided with a protrusion, a clamping groove is formed between the protrusion and the trigger shaft mounting seat, and the other end of the transmission member is embedded in the clamping groove.

8. The stacker with the fall prevention function according to claim 6, wherein the self-locking portion is provided with an insertion groove, and the insertion groove is fixed to the trigger shaft in a matching manner.

9. The stacker with fall prevention function according to claim 6, wherein a return spring is sleeved outside the guide bar, one end of the return spring is fixed to the self-locking portion, and the other end of the return spring is fixed to the mounting plate.

10. The stacker with the anti-falling function according to claim 1, wherein the stacker further comprises a linkage brake mechanism, the linkage brake mechanism comprises a speed limiter, a tensioning device, an anti-falling steel wire rope, an adjusting block and a brake cable assembly, the speed limiter and the tensioning device are respectively mounted on the frame, the anti-falling steel wire rope is wound between the speed limiter and the tensioning device, the adjusting block is fixedly connected with the anti-falling steel wire rope and is slidably connected with the cargo carrying platform assembly, the brake cable assembly comprises a brake cable, one end of the brake cable is fixedly connected with the adjusting block, and the other end of the brake cable is fixedly connected with the clasping device;

when the dropping speed of the cargo carrying platform assembly exceeds a set value, the speed limiter clasps the anti-falling steel wire rope to enable the adjusting block and the cargo carrying platform assembly to slide relatively, and the adjusting block drives the clasping device to clamp the guide rail through the brake cable so as to relatively fix the cargo carrying platform assembly and the guide rail together.

Technical Field

The invention relates to the technical field of carrying machinery, in particular to a stacker with an anti-falling function.

Background

The stacker is a special crane which uses a fork or a string rod as a fetching device to grab, carry and stack goods in warehouses, workshops and the like or pick and place unit goods from a high-rise goods shelf, and mainly has the main function of running back and forth in a channel of a stereoscopic warehouse to store the goods at a goods shelf at a road junction or take the goods in the goods shelf out to convey the goods to the road junction.

In an automatic stereoscopic warehouse, when a stacker in a roadway takes and delivers goods, the situation that a steel wire rope is broken or falls off and the like may occur when a goods carrying platform descends at a high speed, and safety protection is lacked, so that the goods carrying platform falls at a high speed to damage the goods carrying platform and the goods.

Disclosure of Invention

The invention mainly aims to provide a stacker with an anti-falling function, and aims to improve the safety performance of the stacker.

The stacker with the anti-falling function provided by the invention comprises

The device comprises a rack, a first guide rail and a second guide rail, wherein the rack is provided with the guide rail;

the cargo carrying platform assembly is slidably mounted on the guide rail so as to be capable of lifting along the rack;

a drive motor;

one end of the lifting driving rope is in transmission connection with the driving motor;

the anti-falling triggering mechanism comprises a rope breaking triggering assembly and a brake triggering assembly which are in transmission connection, the rope breaking triggering assembly is fixedly connected with the other end of the lifting driving rope and movably arranged on the cargo carrying platform assembly, and the brake triggering assembly is movably connected with the cargo carrying platform assembly;

the holding device is arranged on the cargo carrying platform assembly and is fixedly connected with the brake triggering assembly;

the lifting driving rope is broken, the broken rope triggering assembly and the goods carrying platform assembly slide relatively, so that the transmission piece triggers the brake triggering assembly to drive the clasping device to clamp the guide rail, and the goods carrying platform assembly and the guide rail are fixed relatively together.

Optionally, the cargo bed assembly comprises a cargo bed guide frame, the cargo bed guide frame is fixed with a pull rod mounting seat, the broken rope triggering assembly comprises a pull rod piece and a limiting block, one end of the pull rod piece is fixedly connected with the lifting driving rope, and the other end of the pull rod piece penetrates through the pull rod mounting seat and is fixed to the limiting block in a penetrating mode.

Optionally, the limiting block is provided with a mounting hole, the pull rod piece is sleeved with a trigger spring and is arranged in the mounting hole in a penetrating manner, one end of the trigger spring is fixed to the pull rod mounting seat, and the other end of the trigger spring is fixed in the mounting hole of the limiting block.

Optionally, one end of the limiting block, which is away from the pull rod mounting seat, is provided with a protruding block, one end of the transmission member abuts against the lower surface of the pull rod mounting seat, which is away from the protruding block, and the other end of the transmission member is connected with the brake triggering assembly.

Optionally, the brake triggering assembly comprises a triggering part and a limiting part, the limiting part is movably mounted on the goods carrying table guide frame and is fixedly connected with the holding device, one end of the triggering part is fixedly connected with the transmission part, and the other end of the triggering part is movably connected with the limiting part, so that the triggering part can be driven by the transmission part to be fixed with or separated from the limiting part.

Optionally, trigger portion includes the trigger shaft, the cargo bed leading truck is fixed with the trigger shaft mount pad, trigger shaft movable mounting in the trigger shaft mount pad, spacing portion includes fixed connection's self-locking portion and top support portion, the cargo bed leading truck is provided with the mounting panel, the mounting panel is fixed with the guide bar, self-locking portion movable mounting in the guide bar, top support portion one end with self-locking portion fixed connection, hold the device including elastic connection's braking vane and hold the subassembly tightly, top support portion the other end with braking vane fixed connection, with under the drive of driving medium, the trigger shaft with self-locking portion is fixed or the separation, and make top support portion drive the braking vane for hold the subassembly tightly and produce and slide.

Optionally, the trigger shaft is provided with a protrusion, the protrusion and the trigger shaft mounting seat form a clamping groove therebetween, and the other end of the transmission part is embedded in the clamping groove.

Optionally, the self-locking portion is provided with an insertion groove, and the insertion groove is matched and fixed with the trigger shaft.

Optionally, the guide bar overcoat is equipped with reset spring, reset spring one end is fixed in the self-locking portion, the other end is fixed in the mounting panel.

Optionally, the stacker further comprises a linkage brake mechanism, the linkage brake mechanism comprises a speed limiter, a tensioning device, an anti-falling steel wire rope, a regulating block and a brake cable assembly, the speed limiter and the tensioning device are respectively mounted on the frame, the anti-falling steel wire rope is wound between the speed limiter and the tensioning device, the regulating block is fixedly connected with the anti-falling steel wire rope and is in sliding connection with the cargo carrying platform assembly, the brake cable assembly comprises a brake cable, one end of the brake cable is fixedly connected with the regulating block, and the other end of the brake cable is fixedly connected with the holding device;

when the dropping speed of the cargo carrying platform assembly exceeds a set value, the speed limiter clasps the anti-falling steel wire rope to enable the adjusting block and the cargo carrying platform assembly to slide relatively, and the adjusting block drives the clasping device to clamp the guide rail through the brake cable so as to relatively fix the cargo carrying platform assembly and the guide rail together.

According to the technical scheme, when the stacker normally works, the lifting driving rope is driven by the driving motor to drive the cargo carrying platform assembly to move up and down along the rack, the rope breaking triggering assembly and the braking triggering assembly which are movably installed on the cargo carrying platform assembly are in transmission connection through the transmission piece, when the lifting driving rope fixed on the rope breaking triggering assembly is broken or falls off, relative sliding is generated between the rope breaking triggering assembly and the cargo carrying platform assembly, the transmission piece is driven to trigger the braking triggering assembly to act, the braking triggering assembly drives the holding device under the driving of external force, the holding device clamps the guide rail, the cargo carrying platform assembly and the guide rail are fixed relatively together, and the safety performance of the stacker is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic perspective view of an embodiment of a stacker with an anti-falling function according to the present invention;

FIG. 2 is a schematic perspective view of the structure of FIG. 1 with the frame removed;

FIG. 3 is a schematic perspective view of the fall arrest triggering mechanism assembled with the transmission member when not triggered;

FIG. 4 is a schematic perspective view of the fall prevention triggering mechanism assembled with the transmission member after being triggered;

FIG. 5 is a schematic perspective view of the connection between the adjusting block and the brake cable and the clasping device;

FIG. 6 is a schematic perspective view of the clasping device when the brake plate is not braking;

fig. 7 is a schematic perspective view of the brake plate braking rear clasping device.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a stacker with an anti-falling function.

Referring to fig. 1 to 4, in the embodiment of the present invention, the stacker with an anti-falling function includes a frame 10, a cargo bed assembly 50, a driving motor 90, a lifting driving rope 100, an anti-falling triggering mechanism, and a clasping device 70; the frame 10 is provided with guide rails 104; the cargo bed assembly 50 is slidably mounted to the guide rails 104 for elevating movement along the frame 10; one end of the lifting driving rope 100 is in transmission connection with the driving motor 90; the anti-falling triggering mechanism comprises a rope breaking triggering component 110 and a brake triggering component 130 which are in transmission connection, the rope breaking triggering component 110 is fixedly connected with the other end of the lifting driving rope 100 and is movably arranged on the cargo carrying platform component 50, and the brake triggering component 130 is movably connected with the cargo carrying platform component 50; the clasping device 70 is arranged on the cargo bed component 50 and is fixedly connected with the brake triggering component 130; wherein, a transmission member 200 is connected between the rope breaking triggering assembly 110 and the brake triggering assembly 130, when the lifting driving rope 100 is broken, the rope breaking triggering assembly 110 and the cargo bed assembly 50 slide relatively, so that the transmission member 200 triggers the brake triggering assembly 130 to drive the clasping device 70 to clamp the guide rail 104, so as to relatively fix the cargo bed assembly 50 and the guide rail 104 together.

The rack 10 comprises two upright columns 101 which are oppositely arranged, and an upper cross beam 102 and a lower cross beam 103 which are respectively fixed with the two upright columns 101, wherein guide rails 104 are fixed on the upright columns 101, the cargo platform assembly 50 is positioned between the two upright columns 101, one sides of the cargo platform assembly 50, which face the corresponding upright columns 101, are respectively fixed with a clasping device 70, and the clasping devices 70 are in sliding connection with the guide rails 104, so that the cargo platform assembly 50 can move up and down along the upright columns 101, and the moving stability of the cargo platform guide frame 503 relative to the upright columns 101 is improved; the upright post 101 is provided with a driving motor 90, the driving motor 90 is provided with a first winding drum and a second winding drum which are coaxially connected, the first winding drum and the second winding drum are both wound with lifting driving ropes 100, and the driving motor 90 drives the first winding drum and the second winding drum to rotate forwards or backwards, so that the lifting driving ropes 100 wound on the first winding drum and the second winding drum are tightened or released; two groups of fixed pulley assemblies are mounted on the upper cross beam 102, each group of fixed pulley assemblies comprises two fixed pulleys, the two lifting driving ropes 100 are respectively extended out from the first winding drum and the second winding drum, pass through the corresponding fixed pulley assemblies and are fixed on two sides of the cargo carrying platform assembly 50, so that the cargo carrying platform assembly 50 can stably move up and down along the upright post 101 by tightening or releasing actions of the two lifting driving ropes 100, and the cargo carrying stability of the stacker is improved. Of course, the frame 10 may also include a stand 101 provided independently.

The anti-falling triggering mechanism comprises a rope breaking triggering component 110 and a brake triggering component 130 which are in transmission connection, wherein the rope breaking triggering component 110 is movably arranged on the cargo carrying platform component 50 and is fixedly connected with the other end of the lifting driving rope 100, the brake triggering component 130 is movably connected with the cargo carrying platform component 50 and is fixedly connected with the clasping device 70 arranged on the cargo carrying platform component 50, a transmission piece 200 is connected between the rope breaking triggering component 110 and the brake triggering component 130, the transmission piece 200 is a transmission connecting rod and can rotate relative to a cargo carrying platform guide frame 503, when one of the two lifting driving ropes 100 connected to the two sides of the cargo carrying platform component 50 is broken, the rope breaking triggering component 110 connected with the broken lifting driving rope 100 and the cargo carrying platform component 50 slide relatively, so that the transmission piece 200 rotates relative to the cargo carrying platform guide frame 503 and triggers the brake triggering component 130 to drive the clasping device 70 to clamp the guide rail 104, the cargo bed assembly 50 and the guide rail 104 are relatively fixed together, so that the cargo bed assembly 50 is stopped, the anti-falling function of the stacker is realized, and the safety performance of the stacker is improved; this application triggers subassembly 110 and brake through preventing weighing down the rope breakage among the trigger mechanism and triggers subassembly 130 and fixes the transmission medium 200 transmission fit on carrying cargo platform subassembly 50 for when lift actuating rope 100 splits, prevent weighing down the trigger mechanism and can in time drive and hold tightly device 70 and press from both sides tight guide rail 104, improve the stacker brake and weigh down the reaction rate who prevents weighing down, reduce the potential safety hazard of stacker in the use.

According to the technical scheme, when the stacker normally works, the lifting driving rope 100 is driven by the driving motor 90 to drive the cargo carrying platform assembly 50 to move up and down along the rack 10, the rope breaking triggering assembly 110 movably installed on the cargo carrying platform assembly 50 and the brake triggering assembly 130 are in transmission connection through the transmission piece 200, when the lifting driving rope 100 fixed on the rope breaking triggering assembly 110 is broken or falls off, relative sliding is generated between the rope breaking triggering assembly 110 and the cargo carrying platform assembly 50, the transmission piece 200 is driven to trigger the brake triggering assembly 130 to act, the brake triggering assembly 130 drives the clasping device 70 under the driving of external force, so that the clasping device 70 clamps the guide rail 104, the cargo carrying platform assembly 50 and the guide rail 104 are relatively fixed together, and the safety performance of the stacker is improved.

Referring to fig. 2 to 4, in an embodiment, the cargo bed assembly 50 includes a cargo bed guide frame 503, a pull rod installation seat 504 is fixed on the cargo bed guide frame 503, the rope breaking triggering assembly 110 includes a pull rod 111 and a limiting block 113, one end of the pull rod 111 is fixedly connected to the lifting driving rope 100, and the other end of the pull rod 111 penetrates through the pull rod installation seat 504 and is fixed to the limiting block 113 in a penetrating manner. Specifically, the limiting block 113 is provided with a mounting hole, the pull rod 111 is sleeved with the trigger spring 112 and is installed in the mounting hole in a penetrating manner, one end of the trigger spring 112 is fixed to the pull rod mounting seat 504, and the other end of the trigger spring is fixed in the mounting hole of the limiting block 113.

The goods carrying platform assembly 50 comprises two goods carrying platform guide frames 503 which are symmetrically arranged, a goods carrying platform 501 which is arranged between the two goods carrying platform guide frames 503, and a fork 502 which is arranged on the goods carrying platform 501 and used for unloading materials, wherein the two goods carrying platform guide frames 503 are positioned between two upright posts 101, the opposite sides of the two goods carrying platform guide frames 503 are provided with an anti-falling triggering mechanism and a transmission part 200, the sides, which are opposite to the two goods carrying platform guide frames 503, are provided with the holding device 70, the mounting space on the goods carrying platform guide frames 503 is reasonably utilized, the whole machine quality is reduced, the holding device 70 is in sliding connection with the guide rails 104 of the corresponding upright posts 101, the moving stability of the two goods carrying platform guide frames 503 relative to the upright posts 101 is improved, and the safety of the stacker for carrying materials is improved; a pull rod mounting seat 504 is fixed on one side of the cargo platform guide frame 503, which is far away from the upright column 101, and the broken rope triggering assembly 110 comprises a pull rod piece 111 and a limiting block 113, one end of the pull rod piece 111 is fixedly connected with the lifting driving rope 100, the other end of the pull rod piece passes through the pull rod mounting seat 504 and is fixedly arranged on the limiting block 113 in a penetrating way, and the limiting block 113 is fixed at the tail end of the pull rod piece 111, so that the pull rod piece 111 can slide relative to the pull rod mounting seat 504 without departing from the pull rod mounting seat 504; specifically, the limiting block 113 is provided with a mounting hole, the pull rod 111 is sleeved with the trigger spring 112 and is installed in the mounting hole in a penetrating manner, the limiting block 113 is fixed at the tail end of the pull rod 111 by a fastening member such as a nut, one end of the trigger spring 112 is fixed with the pull rod mounting seat 504, and the other end of the trigger spring 112 is fixedly connected in the mounting hole of the limiting block 113, when the pull rod 111 loses the tensile force of the lifting driving rope 100, the trigger spring 112 can bounce the limiting block 113 away from the pull rod mounting seat 504, so that the transmission member 200 connected with the rope breakage trigger assembly 110 has a rotation action, so that the transmission member 200 moves to trigger the brake trigger assembly 130 to drive the clasping device 70 to clamp the guide rail 104, so as to arrest the loading platform guide frame 503 on the upright column 101, thereby increasing the reaction speed of arresting of the loading platform guide frame 503 and further improving the safety performance of the stacker.

Referring to fig. 3 to 4, in an embodiment, one end of the limiting block 113 away from the pull rod mounting seat 504 is provided with a protrusion 114, one end of the transmission member 200 abuts against a lower surface of the protrusion 114 away from the pull rod mounting seat 504, and the other end is connected to the brake triggering assembly 130.

The one end that this application stopper 113 deviates from pull rod mount pad 504 is provided with lug 114, the one end butt of driving medium 200 keeps away from the lower surface of pull rod mount pad 504 in lug 114, when stopper 113 moves down, lug 114 moves down thereupon and drives the one end downstream of driving medium 200, and then drives the other end upward movement of driving medium 200, thereby make the other end of driving medium 200 trigger the brake and trigger subassembly 130 drive enclasping device 70, moreover, the steam generator is simple in structure, the transmission is direct, can improve the reaction rate that stacker was prevented weighing down.

As shown in fig. 3 to 4, the outer wall of the limiting block 113 is concavely provided with an avoiding groove 115, the goods carrying table guide frame 503 is fixed with the travel switch 120, the contact of the travel switch 120 is located in the avoiding groove 115, when the lifting driving rope 100 is broken, the limiting block 113 moves downwards to make the contact of the travel switch 120 break away from the avoiding groove 115 and abut against the limiting block 113, and then the travel switch 120 sends a signal to the control console to remind the lifting driving rope 10 of the stacker to break off, which is beneficial for operators to obtain information in time to maintain the stacker, and avoids the occurrence of subsequent emergency situations, thereby further improving the use safety of the stacker.

Further, the brake triggering assembly 130 includes a triggering portion 131 and a limiting portion 133, the limiting portion 133 is movably mounted on the cargo bed guide frame 503 and is fixedly connected to the clasping device 70, one end of the triggering portion 131 is fixedly connected to the transmission member 200, and the other end of the triggering portion 131 is movably connected to the limiting portion 133, so that the triggering portion 131 can be fixed to or separated from the limiting portion 133 under the driving of the transmission member 200. Specifically, the triggering portion 131 includes a triggering shaft 132, the cargo bed guide frame 503 is fixed with a triggering shaft mounting seat 505, the triggering shaft 132 is movably mounted on the triggering shaft mounting seat 505, the limiting portion 133 includes a self-locking portion 134 and a top abutting portion 135 which are fixedly connected, the cargo bed guide frame 503 is provided with a mounting plate 136, the mounting plate 136 is fixed with a guide rod 137, the self-locking portion 134 is movably mounted on the guide rod 137, one end of the top abutting portion 135 is fixedly connected with the self-locking portion 134, the clasping device 70 includes an elastically connected braking plate 701 and a clasping component, the other end of the top abutting portion 135 is fixedly connected with the braking plate 701, so that the triggering shaft 132 is fixed to or separated from the self-locking portion 134 under the driving of the transmission member 200, and the top abutting portion 135 drives the braking plate 701 to slide relative to the clasping component.

The brake triggering assembly 130 comprises a triggering portion 131 and a limiting portion 133, wherein the limiting portion 133 is movably mounted on one side, away from the upright post 101, of the cargo platform guide frame 503 and is fixedly connected with the clasping device 70, one end of the triggering portion 131 is fixedly connected with the transmission member 200, and the other end of the triggering portion 131 is movably connected with the limiting portion 133, so that the triggering portion 131 can be fixed or separated from the limiting portion 133 under the driving of the transmission member 200, namely when one end of the transmission member 200 is driven by the limiting block 113 of the broken rope triggering assembly 110, the other end of the transmission member 200 drives the triggering portion 131 to be separated from the limiting portion 133, and further the limiting portion 133 drives the clasping device 70 to clamp the guide rail 104; specifically, the triggering portion 131 includes a triggering shaft 132, a triggering shaft mounting seat 505 is fixed to a side of the cargo bed guide frame 503 away from the column 101, a protruding ring is arranged on an outer wall of the triggering shaft 132, the protruding ring is located in the triggering shaft mounting seat 505, an end cover is fixed to a side of the triggering shaft mounting seat 505 close to the rope breakage triggering assembly 110, and the end cover and the protruding ring are arranged so that the protruding ring of the triggering shaft 132 is clamped and movably mounted in the triggering shaft mounting seat 505; when the trigger shaft 132 is driven by the transmission member 200, the trigger shaft 132 is separated from the limiting part 133 under the action of the transmission member 200, so that the limiting part 133 drives the clasping device 70 to clamp the guide rail 104 to brake the loading platform guide frame 503; a compression spring is fixed between the end cover and the convex ring, and when the trigger shaft 132 loses the driving of the transmission member 200, the trigger shaft 132 is fixed with the limit part 133 again under the action of the compression spring.

Specifically, as shown in fig. 6 to 7, the clasping device 70 includes a brake plate 701 and a clasping assembly, which are elastically connected, the clasping assembly includes a locking block 702 and a locking mounting seat 703, which are slidably connected, the brake plate 701 is fixed with the locking block 702, one end of the locking block 702 is fixed with the limiting portion 133, and the other end of the locking block is elastically connected with the locking mounting seat 703 through a telescopic spring 706; the locking mounting seat 703 is fixedly mounted on the guide frame 503 of the cargo carrying platform, the locking mounting seat 703 is provided with two guide blocks 704 which are symmetrically arranged, the opposite surfaces of the two guide blocks 704 are inclined surfaces, the two inclined surfaces are bilaterally symmetrical to form a splayed shape, and the inclined surfaces are provided with roller rows 705; the locking blocks 702 are symmetrically arranged on two sides of the guide rail 104, the opposite surfaces of the locking blocks 702 and the guide rail 104 are friction surfaces, when the brake plate 701 does not act, a certain gap is reserved between the locking blocks 702 and the guide rail 104, namely no friction is generated between the locking blocks 702 and the guide rail 104, the outer sides of the two locking blocks 702 which are deviated from each other are provided with inclined surfaces corresponding to the inclined surfaces of the guide blocks 704, when the brake plate 701 drives the locking blocks 702 to act, the locking blocks 702 move upwards relative to the guide blocks 704, the roller rows 705 between the locking blocks 702 and the guide blocks 704 can enable the locking blocks 702 to move more smoothly, meanwhile, because the opposite surfaces of the guide blocks and the locking blocks 702 are inclined surfaces, under the action of the guide blocks 704, the locking blocks 702 move towards the middle along the inclined surfaces to clamp the guide rail 104, and along with the continuous upward movement of the locking blocks 702, the locking blocks 702 and the guide blocks 704 are more tightly pressed, and the friction surfaces of the locking blocks 702 and the guide rail 104 generate friction to form clamping force, the guide frame 503 of the cargo carrying platform can be further fixed on the upright post 101, so that the stopping effect of the cargo carrying platform 501 is achieved; a limiting structure is arranged between the brake plate 701 and the locking mounting seat 703, a limiting groove 701a is formed in the brake plate 701, a limiting lug 703a corresponding to the limiting groove 701a is arranged on the locking mounting seat 703, the limiting groove 701a and the limiting lug 703a are matched and connected, and are matched with the telescopic spring 706, so that the locking block 702 does not depart from the guide block 704 and moves along the guide block 704, the stopping effect of the cargo carrying platform 501 is further improved, and the limiting structure is not limited to the structure described in the application.

The limiting part 133 comprises a self-locking part 134 and a propping part 135 which are fixedly connected, the loading platform guide frame 503 is provided with a mounting plate 136, the mounting plate 136 is composed of an upper plate, a connecting plate and a lower plate, the connecting plate is fixed on one side of the goods-carrying table guide frame 503, which is far away from the upright post 101, the upper plate is provided with a through hole, and a guide rod 137 is fixed between the upper layer plate and the lower layer plate, the self-locking part 134 is movably arranged on the guide rod 137, one end of the abutting part 135 is fixedly connected with the self-locking part 134, the other end of the abutting part 135 penetrates through the through hole to be fixedly connected with the braking plate 701, under the driving of the transmission member 200, the trigger shaft 132 is separated from the self-locking portion 134, so that the abutting portion 135 drives the braking plate 701 to move upward, thereby the locking block 702 on the braking plate 701 moves upwards, so that the clamping force between the locking block 702 and the guide rail 104 is gradually increased to fix the cargo bed guide frame 503 on the upright post 101, and the braking effect is achieved.

In order to better drive the trigger shaft 132 to be separated from or fixed to the self-locking portion 134, in an embodiment, the trigger shaft 132 is provided with a protrusion 132a, a clamping groove 132b is formed between the protrusion 132a and the trigger shaft mounting seat 505, and the other end of the transmission member 200 is embedded in the clamping groove 132 b. Further, the self-locking portion 134 is provided with an insertion groove 134a, and the insertion groove 134a is fixed to the trigger shaft 132 in a matching manner. Further, a return spring 138 is sleeved outside the guide bar 137, and one end of the return spring 138 is fixed to the self-locking portion 134, and the other end is fixed to the mounting plate 136.

The trigger part 131 is provided with a protrusion 132a, the protrusion 132a is fixed at one end of the trigger shaft 132 close to the rope breaking trigger assembly 110, and a clamping groove 132b is formed between the protrusion 132a and the end cover installed on the trigger shaft installation seat 505, so that the other end of the transmission member 200 can be embedded in the clamping groove 132b and abuts against one side of the protrusion 132a close to the end cover; when one end of the transmission member 200 is driven by the rope breakage triggering assembly 110, the transmission member 200 supports against the protrusion 132a and pulls the triggering shaft 132 out of the triggering shaft mounting seat 505, and due to the existence of the clamping groove 132b, the transmission member 200 can better drive the triggering shaft 132 and the triggering shaft mounting seat 505 to move relatively, so that the driving stability of the transmission member 200 is improved. The self-locking part 134 is provided with an inserting groove 134a, the guide rod 137 is sleeved with a return spring 138, one end of the return spring 138 is fixed on the self-locking part 134, and the other end of the return spring 138 is fixed on the lower plate of the mounting plate 136; when the trigger shaft 132 is not triggered, the trigger shaft 132 is embedded and fixed in the insertion groove 134a, and at this time, the self-locking portion 134 compresses the return spring 138 on the lower plate; when the triggering portion 131 is triggered to move in a direction away from the self-locking portion 134, the triggering shaft 132 is disengaged from the insertion groove 134a, at this time, the self-locking portion 134 moves upward under the action of the return spring 138, and drives the abutting portion 135 to move upward so that the braking plate 701 moves upward to enable the locking block 702 to clamp the guide rail 104, so that the reaction speed of clamping the locking block 702 and the guide rail 104 is increased, the safety performance of the stacker is further improved, and the occurrence of accidents is reduced.

Referring to fig. 2 and 5, in an embodiment, the stacker further includes a linkage brake mechanism, the linkage brake mechanism includes a speed limiter 20, a tensioning device 30, an anti-falling steel wire rope 40, an adjusting block 60, and a brake cable assembly 80, the speed limiter 20 and the tensioning device 30 are respectively installed on the frame 10, the anti-falling steel wire rope 40 is wound between the speed limiter 20 and the tensioning device 30, the adjusting block 60 is fixedly connected with the anti-falling steel wire rope 40 and slidably connected with the cargo bed assembly 50, the brake cable assembly 80 includes a brake cable 801, one end of the brake cable 801 is fixedly connected with the adjusting block 60, and the other end of the brake cable 801 is fixedly connected with the clasping device 70; when the dropping speed of the cargo platform assembly 50 exceeds a set value, the speed limiter 20 clasps the anti-falling steel wire rope 40 to enable the adjusting block 60 and the cargo platform assembly 50 to slide relatively, and the adjusting block 60 drives the clasping device 70 to clamp the guide rail 104 through the brake cable 801 so as to relatively fix the cargo platform assembly 50 and the guide rail 104 together.

An upper cross beam 102 of the frame 10 is provided with a speed limiter 20, a lower cross beam 103 is provided with a tensioning device 30, and anti-falling steel wire ropes 40 are wound on the speed limiter 20 and the tensioning device 30; an adjusting block 60 is slidably mounted on one of the two cargo platform guide frames 503, namely, a sliding guide rail 503a is fixed on the cargo platform guide frame 503, the adjusting block 60 is provided with a groove 601 corresponding to the sliding guide rail 503a, the groove 601 is slidably connected with the sliding guide rail 503a, when the cargo platform assembly 50 descends in an overspeed manner, the speed limiter 20 clasps the anti-falling steel wire rope 40 to enable the adjusting block 60 and the cargo platform guide frame 503 to slide relatively, and in order that the adjusting block 60 does not depart from the cargo platform guide frame 503, two ends of the sliding guide rail 503a are respectively provided with a block 503b to prevent the adjusting block 60 from departing from the sliding guide rail 503a when sliding relative to the sliding guide rail 503a, so that the adjusting block 60 cannot timely pull the brake wire 801 to drive the clasping device 70 to clamp the guide rail 104, and the timeliness and the safety of the stacker brake are improved. Of course, other structures that enable the adjusting block 60 and the cargo bed guide frame 503 to be slidably connected without being separated from each other are also applicable to the present application.

The adjusting block 60 comprises an upper mounting part 602a and a lower mounting part 602b, the upper mounting part 602a and the lower mounting part 602b of the adjusting block 60 are fixedly connected with the anti-falling steel wire rope 40 wound on the speed limiter 20 and the tensioning device 30, and the three form a closed loop structure, when the loading platform guide frame 503 is at a normal operation speed, the operation speeds of the adjusting block 60, a speed limiter 20 wire coil of the speed limiter 20, a tensioning wheel of the tensioning device 30 and the anti-falling steel wire rope 40 connected and fixed with the three are kept consistent, the adjusting block 60 and the loading platform guide frame 503 are kept relatively static, and the clasping device 70 on the loading platform guide frame 503 and the guide rail 104 of the upright post 101 move relatively; when the falling speed of the cargo bed assembly 50 exceeds a set value, the speed governor 20 monitors abnormal movement of the anti-falling steel wire rope 40 and tightly holds the anti-falling steel wire rope 40, so that the anti-falling steel wire rope 40 stops running, and then the adjusting block 60 slides relative to the cargo bed guide frame 503 under the driving of the anti-falling steel wire rope 40.

The adjusting block 60 further comprises a fixing portion 603, the fixing portion 603 comprises a first fixing portion 603a and a second fixing portion 603b, the brake cable assembly 80 comprises a brake cable 801 and a brake cable fixing block 802, the brake cable fixing block 802 is fixed to the goods carrying table guide frame 503 and is located on the same side as the adjusting block 60, the arrangement of the brake cable fixing block 802 can limit the movement range of the brake cable 801, the brake cable 801 is prevented from being excessively pulled and deformed due to excessive external force, or the brake cable 801 is prevented from being in contact abrasion with other parts of the stacker, the use safety and the service life of the brake cable 801 are improved, and further the safety performance of the stacker is improved; the brake cable 801 comprises a first brake cable 801a and a second brake cable 801b, one end of the first brake cable 801a is fixedly connected with the first fixing portion 603a, one end of the second brake cable 801b is fixedly connected with the second fixing portion 603b, the other ends of the first brake cable 801a and the second brake cable 801b are respectively fixedly connected with the braking plates 701 of the clasping device 70 on the two goods-carrying table guide frames 503, after the adjusting block 60 and the loading platform guide frame 503 slide relatively to each other until they are relatively static, as the goods loading platform guide frame 503 continuously falls, the adjusting block 60 respectively drives the first brake cable 801a and the second brake cable 801b to draw the brake plate 701 of the corresponding connected clasping device 70 to move upwards, and then the clasping device 70 clamps the corresponding guide rail 104, and further a goods-carrying table guide frame 503 is made to be stopped on the upright post 101, so that the braking function of the stacker is realized, and the safety performance of the stacker is improved.

When the cargo bed guide frame 503 is at a normal operation speed and does a lifting motion relative to the upright post 101, the adjusting block 60 and the brake cable 801 do not affect the motion of the cargo bed guide frame 503, that is, because the adjusting block 60 is installed at one side of the cargo bed guide frame 503, the first brake cable 801a is attached to the cargo bed guide frame 503 installed with the adjusting block 60 and controls the clasping device 70 installed on the cargo bed guide frame 503, the second brake cable 801b is fixed on the adjusting block 60 and controls the clasping device 70 on another cargo bed guide frame 503 across the cargo bed 501, wherein the first brake cable 801a and the second brake cable 801b have small occupied areas and can control the motion of the corresponding clasping device 70, the cargo bed guide frame 503 is controlled and prevented from falling through the adjusting block 60 and the brake cable 801, the structure is simple and practical, and has no effect on the motion of the cargo bed guide frame 503, meanwhile, when the guide frame 503 of the goods carrying platform normally moves relative to the upright column 101, the materials on the goods carrying platform 501 can move downwards and are arranged on the lower goods grid of the goods shelf, and the utilization rate of the goods shelf and the practicability of the stacker are improved.

According to the application, through the matching of the anti-falling triggering mechanism and the transmission piece 200 with the clasping device 70 and the matching of the linkage brake mechanism with the clasping device 70, when the goods carrying table guide frame 503 descends at an overspeed or the lifting driving rope 100 connected with the goods carrying table guide frame 503 is broken, and the like, the stacker can rapidly brake the goods carrying table guide frame 503 on the upright post 101 in time, so that the safety performance of the stacker is greatly improved; and the locking device 70 of the two goods loading platform guide frames 503 is controlled in a linkage way by matching the adjusting block 60 and the brake cable 801, so that the structure is simple, the occupied space is small, the quality is small, the braking effect is good, and the practicability of the stacker is improved.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.