CN219009845U - Safe anti-falling structure of stacker - Google Patents

Abstract

The utility model discloses a safe anti-falling structure of a stacker, which belongs to the technical field of stacker protection, and comprises two clamping mechanisms respectively arranged at two sides of a lift car, wherein each clamping mechanism comprises a driving assembly and a clamping assembly; the driving assembly comprises a mounting seat, a driving piece and two rotating pieces, wherein the mounting seat is fixedly arranged on the car; the clamping assembly comprises two fixing pieces and two clamping pieces, the two fixing pieces are fixedly arranged on the mounting seat, the two clamping pieces are opposite to each other and are respectively matched with the two fixing pieces in a sliding manner, the two clamping pieces are rotationally connected with rotating rods, the two rotating rods are rotationally connected with the two rotating pieces respectively, and when the rotating pieces rotate, the two clamping pieces move towards the directions approaching or separating from each other; one of the rotating parts of the two driving components is connected through the linkage component. This application has when preventing weighing down to the car, guarantees the atress degree of uniformity of car both sides for the product that is located the car is difficult for the effect that falls.

Description

Safe anti-falling structure of stacker

Technical Field

The utility model relates to the field of stacker protection, in particular to a safe anti-falling structure of a stacker.

Background

The stacker is the most important lifting and transporting equipment in the stereoscopic warehouse and is a sign representing the characteristics of the stereoscopic warehouse. The stacker has the main function of running back and forth in the channel of the stereoscopic warehouse, and storing the goods at the roadway crossing into the goods grid of the goods shelf or taking out the goods in the goods grid and conveying the goods to the roadway crossing.

The stacker generally includes car and stand, and the car carries out the elevating movement of vertical direction through wire rope's receipts to guarantee the safety in utilization of car when wire rope breaks, generally can set up anti-falling structure between car and stand. The anti-falling structure in the related art can only support the upright post on one side of the upright post to realize single-side anti-falling of the car.

Aiming at the related technology, in the unilateral falling prevention process of the elevator car, the elevator car is easy to side-turn due to uneven stress on two sides, so that products positioned in the elevator car fall.

Disclosure of Invention

In order to guarantee the atress degree of uniformity of car both sides when preventing weighing down to the car for the product that is located the car is difficult for falling, this application provides a stacker safety anti-weighing structure.

The application provides a stacker safety anti-falling structure adopts following technical scheme:

the safe anti-falling structure of the stacker comprises two clamping mechanisms which are respectively arranged at two sides of a lift car, wherein each clamping mechanism comprises a driving assembly and a clamping assembly; the driving assembly comprises a mounting seat, a driving piece and two rotating pieces, wherein the mounting seat is fixedly arranged on the car, the two rotating pieces are fixedly arranged on the driving piece, the two rotating pieces are rotatably arranged on the mounting seat, and when a steel wire rope breaks, the driving piece and the two rotating pieces synchronously rotate; the clamping assembly comprises two fixing pieces and two clamping pieces, wherein the two fixing pieces are fixedly arranged on the mounting seat, the two clamping pieces are arranged opposite to each other and are respectively in sliding fit with the two fixing pieces, the two clamping pieces are used for clamping the upright post, the two clamping pieces are respectively and rotatably connected with rotating rods, the two rotating rods are respectively and rotatably connected with the two rotating pieces, and when the rotating pieces rotate, the two clamping pieces move in the directions of approaching or separating from each other; one of the rotating parts of the two driving assemblies is connected through the linkage assembly, and when one of the rotating parts rotates, each rotating part rotates together.

Through adopting above-mentioned technical scheme, when wire rope fracture, car fall, one of them driving piece rotates with two rotation pieces in step, and two other rotation pieces rotate in step equally under the action of linkage subassembly to make two sets of two just to the clamping piece motion towards the direction that is close to each other respectively that sets up, and then realize pressing from both sides tight to the stand, realize the anti-falling to the car, car anti-falling in-process, each clamping piece is synchronous to the stand centre gripping, thereby is favorable to guaranteeing the atress degree of uniformity of each side of car, and then guarantees the stability when the car falls, makes the car be difficult for turning on one's side, and the product that is located the car is difficult for falling, and stability is strong.

Optionally, the clamping piece is provided with guide grooves which are obliquely arranged, the fixing piece is provided with guide pieces which are arranged in one-to-one correspondence with the guide grooves, and each guide piece is respectively in sliding fit with each guide groove.

Through adopting above-mentioned technical scheme, the cooperation of guide and guide way plays the limiting displacement to the clamping piece when sliding to be favorable to further guaranteeing the stability when each clamping piece slides.

Optionally, the guide member includes rollers rotatably mounted on the fixing member, and an outer peripheral surface of each roller abuts against a groove wall of each guide groove.

Through adopting above-mentioned technical scheme, the setting of gyro wheel makes sliding friction between guide and the holder change into rolling friction, has reduced the frictional force between guide and the holder to make the slip of holder more smooth, be convenient for realize the quick travel of holder.

Optionally, the guide way extends to the holder top, the holder top is through bolt fixedly connected with to the baffle that closes the guide way notch.

Through adopting above-mentioned technical scheme, be convenient for realize the assembly between holder and the guide, simultaneously, the baffle plays the spacing effect when moving the guide for the guide is difficult for breaking away from the guide way.

Optionally, a reset tension spring is arranged between the mounting seat and the driving piece, and the reset tension spring is used for resetting the rotating piece after rotation.

Through adopting above-mentioned technical scheme, the setting of extension spring resets the setting of being convenient for after the holder motion to drive piece and holder's reset is realized to quick stability.

Optionally, the clamping piece includes installation department and clamping part, the installation groove with clamping part appearance looks adaptation has been seted up to the installation department, the clamping part passes through the bolt fastening in the installation groove, two the clamping part of clamping piece is just to setting up.

Through adopting above-mentioned technical scheme, be convenient for realize the quick stable installation between clamping part and the installation department, simultaneously, be convenient for maintain alone and change the clamping part after the clamping part wearing and tearing, be favorable to reducing the maintenance cost of clamping part, guarantee the performance of clamping part.

Optionally, fixture still includes coupling assembling, coupling assembling includes connecting rod, connecting sleeve, coupling spring, connecting plate and swager pole, connecting rod fixed mounting is in the connecting plate and is used for being connected with wire rope, connecting sleeve installs in the connecting plate, coupling spring is located the connecting sleeve and is used for making the connecting plate move towards driving piece place direction, swager pole fixed mounting is in the connecting plate, swager pole fixedly connected with horizontal pole that the level set up, the bar slot has been seted up to the rotating piece, swager pole is located the bar slot just the horizontal pole is contradicted in the rotating piece top.

Through adopting above-mentioned technical scheme, when wire rope fracture, connecting sleeve drives connecting plate and swager pole towards driving piece place direction motion under connecting spring's effect, and the swager pole slides in the bar inslot because of the spacing effect of horizontal rod this moment, and then drives and rotate the piece and rotate, and connecting spring's setting makes connecting plate drive swager pole carry out pivoted operation stable quick to rotating the piece.

Optionally, mount pad fixed mounting has the screens board, the screens breach that extends along self length direction is seted up to the connecting rod, the screens board sliding fit is in the mouth wall of screens breach.

Through adopting above-mentioned technical scheme, the cooperation of screens board and screens breach makes the connecting rod be difficult for rotating around self axis when moving along vertical direction to be favorable to further guaranteeing the stability when the connecting rod moves along vertical direction, and then stable drive rotates the piece and rotate.

Optionally, the linkage subassembly includes two first connecting rods, two second connecting rods, two third connecting rods, two fourth connecting rods and gangbar, two first connecting rods one end is rotated respectively and is connected in two rotation pieces, the other end is rotated respectively and is connected in two second connecting rods, two second connecting rods one end is all rotated and is connected in the mount pad, two the equal fixed mounting of second connecting rods has the fixed block, two third connecting rods one end is rotated respectively and is installed in two fixed blocks, the other end is rotated respectively and is installed in two fourth connecting rods, two the fourth connecting rods are rotated respectively and are installed in the both ends of gangbar, gangbar horizontal rotation is installed in the mount pad.

Through adopting above-mentioned technical scheme, when one of them rotates, two first connecting rods, two second connecting rods, two third connecting rods, two fourth connecting rods and gangbar rotate in step, and then make each holder synchronous movement realize the clamp of stand, and each connecting rod and gangbar set up the mechanism operation that makes each holder synchronous movement nimble, dynamic balance is good, and bearing capacity is big, more shock-resistant, stability when being convenient for fully guaranteeing each holder synchronous movement.

Optionally, two ends of the first connecting rod are respectively connected to the rotating piece and the second connecting rod through two fisheye bearings in a rotating way.

Through adopting above-mentioned technical scheme, the setting of fisheye bearing makes first connecting rod have great load capacity and shock resistance, the swing range of suppression first connecting rod that simultaneously can be better to be favorable to further guaranteeing the stability when first connecting rod drives each connecting rod and gangbar synchronous motion.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the car anti-falling process, each clamping piece synchronously clamps the upright posts, so that the stress uniformity of each side edge of the car is guaranteed, the stability of the car in falling is guaranteed, the car is not easy to roll over, and products in the car are not easy to fall and have strong stability.

2. The setting of gyro wheel makes sliding friction between guide and the holder change into rolling friction, has reduced the frictional force between guide and the holder to make the slip of holder more smooth, be convenient for realize the quick travel of holder.

3. The arrangement of the connecting rods and the linkage rods enables the synchronous movement mechanism of each clamping piece to operate flexibly, has good dynamic balance, high bearing capacity and impact resistance, and is convenient for fully ensuring the stability of the synchronous movement of each clamping piece.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of one of the mounting seats in the embodiment of the present application.

Fig. 3 is a schematic structural view of one of the mounting seats according to another view angle in the embodiment of the present application.

Fig. 4 is an enlarged partial schematic view of the portion a in fig. 3.

Fig. 5 is a schematic structural view of a clamping member according to an embodiment of the present application.

Fig. 6 is a partially enlarged schematic view of the portion B in fig. 5.

Reference numerals illustrate:

1. a mounting base; 2. a connecting seat; 3. installing a screw; 4. resetting the tension spring; 5. a connecting rod; 6. a connecting sleeve; 7. a connecting spring; 8. a connecting plate; 9. a pressing rod; 10. a connecting pulley; 11. a horizontal bar; 12. a bar-shaped groove; 13. a limit seat; 14. a clamping plate; 15. a cover plate; 16. a fixing member; 17. a clamping member; 171. a mounting part; 172. a clamping part; 18. a guide groove; 19. a guide member; 20. a baffle; 21. a mounting groove; 22. a rotating lever; 23. a first link; 24. a second link; 25. a third link; 26. a fourth link; 27. a linkage rod; 28. a fixed block; 29. a sliding wheel; 30. a mounting frame; 31. a rolling wheel; 32. a limit nut; 33. a sliding clamping plate; 34. a clamping notch; 35. a driving member; 36. and a rotating member.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a stacker safety anti-falling structure. Referring to fig. 1, the stacker safety anti-falling structure includes two clamping mechanisms respectively disposed at both sides of a car.

The fixture includes coupling assembling, actuating assembly and clamping assembly, actuating assembly includes mount pad 1, actuating member 35 and two rotation piece 36, wherein, the mount pad 1 of two sets of actuating assembly is fixed mounting respectively in the both sides of car, be provided with two connecting seats 2 between two mount pads 1, connecting seat 2 is rectangular form, the both ends of two connecting seats 2 are fixed mounting respectively in two mount pads 1, so that the connection between two mount pads 1 is convenient stable, simultaneously, be convenient for install the car of stacker in two connecting seats 2 tops, make the car stably be located between two mount pads 1.

Referring to fig. 2 and 3, two rotating members 36 are rotatably mounted on the mounting base 1, one end of each rotating member 36 is located at one side of one mounting base 1 away from the other mounting base 1, the other end of each rotating member 36 is located at one side of one mounting base 1 close to the other mounting base 1, and the two rotating members 36 are fixedly mounted on the driving member 35 and are respectively located at two ends of the driving member 35 in the length direction, so that the driving member 35 can drive the two rotating members 36 to synchronously rotate. The mounting seat 1 is fixedly provided with a mounting screw rod 3, a reset tension spring 4 is arranged between the mounting screw rod 3 and the driving piece 35, one end of the reset tension spring 4 is fixedly connected with the mounting screw rod 3, and the other end of the reset tension spring is fixedly connected with the driving piece 35, so that the reset of the driving piece 35 and the clamping piece 17 is realized quickly and stably.

Referring to fig. 3 and 4, the connection assembly is provided with two sets corresponding to the rotating member 36, and the connection assembly includes a connection rod 5, a connection sleeve 6, a connection spring 7, a connection plate 8 and a pressing rod 9, wherein the connection rod 5 is vertically arranged, and a connection pulley 10 is installed at the top of the connection rod 5, so that the connection rod 5 is connected with a steel wire rope. Connecting plate 8 level fixed mounting is in the one end of connecting rod 5 bottom, and connecting sleeve's 6 one end fixed connection is in connecting plate 8 top, and connecting spring 7 sets up in connecting sleeve 6, and connecting spring's 7 one end is connected in connecting rod 5, the other end is connected in connecting plate 8, and connecting rod 5 coaxial wears to locate connecting sleeve 6, and during mount pad 1 goes up and down, connecting spring 7 is in compression state to when making wire rope fracture, connecting spring 7 drives connecting plate 8 because of self elasticity and moves down along vertical direction fast. The top of the connecting spring 7 is provided with a sliding clamping plate 33 through a disc spring, and the sliding clamping plate 33 is in sliding fit with the mounting seat 1 along the vertical direction, so that the sliding clamping plate 33 plays a limiting role when the connecting sleeve 6 and the connecting plate 8 move along the vertical direction.

Referring to fig. 2 and 4, one end of the pressing rod 9 is fixedly mounted on the connecting plate 8, one end of the pressing rod 9, far away from the connecting plate 8, is fixedly connected with a horizontal rod 11 horizontally arranged, a strip-shaped groove 12 extending along the length direction of the rotating member 36 is formed, one end of the pressing rod 9 is located in the strip-shaped groove 12, and the horizontal rod 11 abuts against the top of the rotating member 36, so that when the pressing rod 9 moves along the vertical direction, the rotating member 36 rotates synchronously due to the abutting action of the pressing rod 9. The mount pad 1 fixedly connected with spacing seat 13, the swage stack 9 wear to locate spacing seat 13 and with spacing seat 13 sliding fit along vertical direction to stability when further guaranteeing swage stack 9 along vertical direction motion.

Referring to fig. 2 and 3, for guaranteeing stability when the connecting rod 5 moves along the vertical direction, the mount pad 1 is fixedly installed with the screens board 14 that the level set up, and screens breach 34 that extends along self length direction has been seted up to one side of connecting rod 5, and screens board 14 slip fit is in the mouth wall of screens breach 34 to play the limiting displacement to the circumference when connecting rod 5 moves along the vertical direction. The cover plate 15 for covering each part is fixedly arranged on the opposite sides of the two mounting seats 1 so as to protect each part mounted on the mounting seats 1 and ensure the service life of each part mounted on the mounting seats 1.

Referring to fig. 5 and 6, the clamping assembly comprises two fixing pieces 16 and two clamping pieces 17, the two fixing pieces 16 are fixedly installed on the mounting seat 1, the two clamping pieces 17 are opposite to each other and are respectively in sliding fit with the two fixing pieces 16, the two fixing pieces 16 are fixedly installed on one side, far away from the other mounting seat 1, of one mounting seat 1, the two clamping pieces 17 are respectively in sliding fit with the two fixing pieces 16 and are used for clamping the upright column, so that after a steel wire rope is broken, the stability of the positions of the mounting seat 1 and the car is rapidly guaranteed.

With continued reference to fig. 5 and 6, the guide slots 18 that slope set up are all seted up to the both sides of holder 17, and two mounting 16 are provided with two sets of guide 19 that set up with guide slots 18 one-to-one respectively, and every guide 19 of group is provided with two, and guide 19 selects to rotate the gyro wheel of installing in mounting 16 in this application embodiment, and the outer peripheral face of each gyro wheel is contradicted respectively in the cell wall of each guide slot 18 to reduce the frictional force between holder 17 and the mounting 16, the holder 17 of being convenient for is quick stable to realize the centre gripping to the stand.

Referring to fig. 6, in order to facilitate the installation of the guide member 19, the guide grooves 18 are all extended to the top of the fixing member 16, the top of the clamping member 17 is fixedly connected with a baffle 20 through bolts, and the baffle 20 seals the top notch of the guide groove 18, so that after the roller is installed to the guide groove 18 through the notch of the guide groove 18, the notch of the guide groove 18 is sealed through the baffle 20, and the stability of the roller during rolling in the guide groove 18 is ensured.

Referring to fig. 5, the clamping members 17 include a mounting portion 171 and a clamping portion 172, the mounting portions 171 of the two clamping members 17 are opposite to each other, one opposite sides of the mounting portions 171 of the two clamping members 17 are provided with mounting grooves 21, the mounting grooves 21 are matched with the shapes of the clamping portions 172, the two clamping portions 172 are fixedly mounted in the two mounting grooves 21 through bolts respectively, the clamping portions 172 of the two clamping members 17 are opposite to each other, the mounting grooves 21 are convenient to rapidly and stably mount the clamping portions 172 and the mounting portions 171, and meanwhile, the clamping portions 172 can be independently maintained and replaced after being worn, so that the usability of the clamping members 17 is convenient to guarantee.

Referring to fig. 5 and 6, the bottoms of the two mounting portions 171 are rotatably connected with the rotating rods 22, and the two rotating rods 22 are rotatably connected to the two rotating members 36 through fish-eye bearings, so that when the rotating members 36 rotate, the two rotating rods 22 respectively drive the two clamping members 17 to move in directions approaching or separating from each other, so that the two clamping portions 172 of the two clamping members 17 can clamp the upright posts, and the anti-falling of the stacker car can be quickly and stably realized.

Referring to fig. 5 and 6, the linkage assembly includes two first links 23, two second links 24, two third links 25, two fourth links 26 and a linkage rod 27, wherein one ends of the two first links 23 are respectively rotatably connected to one ends of the two rotating members 36 through joint bearings, the two first links 23 are located at one sides of the two mounting seats 1 far away from each other, the other ends of the two first links 23 are respectively rotatably connected to one ends of the two second links 24 through fisheye bearings, the free ends of the two second links 24 far away from the first links 23 are fixedly connected with fixing blocks 28, one ends of the two third links 25 are respectively rotatably mounted on the two fixing blocks 28, and the other ends of the two third links 25 are respectively rotatably connected to the two fourth links 26.

Referring to fig. 1 and 5, the linkage rod 27 is horizontally rotatably mounted on one of the connecting seats 2, two ends of the linkage rod 27 respectively penetrate out of the two mounting seats 1 and are in rotational fit with the two mounting seats 1 through two bearings, and two fourth connecting rods 26 are rotatably mounted on two ends of the linkage rod 27 respectively, so that when one of the rotating members 36 rotates, the two first connecting rods 23, the two second connecting rods 24, the two third connecting rods 25, the two fourth connecting rods 26 and the linkage rod 27 synchronously rotate, and further, each clamping member 17 can synchronously clamp two side uprights, the mechanism of synchronous movement of each clamping member 17 is flexible due to the arrangement of each connecting rod and the linkage rod 27, dynamic balance is good, bearing capacity is high, impact resistance is high, and stability of synchronous movement of each clamping member 17 is ensured conveniently and fully.

Referring to fig. 5, in order to ensure smooth stability when the two mounting seats 1 move in the vertical direction, one side, away from each other, of the two mounting seats 1 is respectively connected with two sets of sliding wheels 29 in a rotating manner, the two sets of sliding wheels 29 are distributed in the vertical direction, each set of sliding wheels 29 is distributed in two in the horizontal direction, and when the mounting seats 1 move in the vertical direction, the two sliding wheels 29 of each set slide on two sides of the upright post respectively.

Referring to fig. 1 and 4, two mounting brackets 30 are installed in all rotating on the side that two mount pads 1 are close to each other, and two mounting brackets 30 distribute along vertical direction, and each mounting bracket 30 is installed in all rotating and is rolled round 31, and each is rolled round 31 and wears to locate the one side that two mount pads 1 kept away from each other respectively, and during mount pad 1 moved along vertical direction, the round 31 that rolls slides in one side of stand to further guarantee the stability when mount pad 1 moved along vertical direction, simultaneously, rotate the mounting bracket 30 that sets up and be convenient for adapt to the stand of different width dimensions. For guaranteeing the stability of mounting bracket 30 place, mounting screw 3 and mounting bracket 30 one-to-one are provided with four, and each mounting screw 3 wears to locate the free end that each mounting bracket 30 kept away from self rotation point respectively, and each mounting screw 3 equal screw thread fit has stop nut 32 to through with stop nut 32 screw up to the different positions of mounting screw 3, realize the spacing fixed to the different angles of mounting bracket 30.

The implementation principle of the safe anti-falling structure of the stacker is as follows: when the steel wire rope breaks and the lift car falls, one driving piece 35 and two rotating pieces 36 on the mounting seat 1 connected with the broken steel wire rope synchronously rotate, and the other two rotating pieces 36 synchronously rotate under the action of the first connecting rod 23, the second connecting rod 24, the third connecting rod 25, the fourth connecting rod 26 and the linkage rod 27, so that two groups of clamping pieces 17 which are opposite to each other move towards directions close to each other respectively, clamping of the stand column is realized, falling prevention of the lift car is realized, in the falling prevention process of the lift car, each clamping piece 17 can synchronously clamp the stand column, thereby being beneficial to ensuring the stress uniformity degree of each side edge of the lift car, further ensuring the stability of the lift car in falling, ensuring that the lift car is not easy to roll over, products in the lift car are not easy to fall, and having strong stability.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a stacker safety anti-falling structure which characterized in that: the elevator car comprises two clamping mechanisms respectively arranged at two sides of an elevator car, wherein each clamping mechanism comprises a driving assembly and a clamping assembly;

the driving assembly comprises a mounting seat (1), a driving piece (35) and two rotating pieces (36), wherein the mounting seat (1) is fixedly arranged on a car, the two rotating pieces (36) are fixedly arranged on the driving piece (35), the two rotating pieces (36) are rotatably arranged on the mounting seat (1), and when a steel wire rope breaks, the driving piece (35) and the two rotating pieces (36) synchronously rotate;

the clamping assembly comprises two fixing pieces (16) and two clamping pieces (17), wherein the two fixing pieces (16) are fixedly arranged on the mounting seat (1), the two clamping pieces (17) are arranged opposite to each other and are respectively matched with the two fixing pieces (16) in a sliding mode, the two clamping pieces (17) are used for clamping a vertical column, the two clamping pieces (17) are respectively connected with a rotating rod (22) in a rotating mode, the two rotating rods (22) are respectively connected with the two rotating pieces (36) in a rotating mode, and when the rotating pieces (36) rotate, the two clamping pieces (17) move towards the direction approaching or away from each other;

one rotating piece (36) of the two driving assemblies is connected through a linkage assembly, and when one rotating piece (36) rotates, each rotating piece (36) rotates together.

2. The stacker safety anti-falling structure according to claim 1, wherein: the clamping piece (17) is provided with guide grooves (18) which are obliquely arranged, the fixing piece (16) is provided with guide pieces (19) which are arranged in one-to-one correspondence with the guide grooves (18), and each guide piece (19) is respectively in sliding fit with each guide groove (18).

3. The stacker safety anti-falling structure according to claim 2, wherein: the guide piece (19) comprises rollers rotatably mounted on the fixing piece (16), and the outer peripheral surfaces of the rollers respectively abut against the groove walls of the guide grooves (18).

4. A stacker safety catch arrangement according to claim 2 or 3, wherein: the guide groove (18) extends to the top of the clamping piece (17), and a baffle (20) for sealing the notch of the guide groove (18) is fixedly connected to the top of the clamping piece (17) through bolts.

5. The stacker safety anti-falling structure according to claim 1, wherein: a reset tension spring (4) is arranged between the mounting seat (1) and the driving piece (35), and the reset tension spring (4) is used for resetting the rotating piece (36) after rotation.

6. The stacker safety anti-falling structure according to claim 1, wherein: the clamping piece (17) comprises a mounting part (171) and a clamping part (172), wherein the mounting part (171) is provided with a mounting groove (21) which is matched with the appearance of the clamping part (172), the clamping part (172) is fixed in the mounting groove (21) through bolts, and the clamping parts (172) of the two clamping pieces (17) are opposite to each other.

7. The stacker safety anti-falling structure according to claim 1, wherein: the clamping mechanism further comprises a connecting assembly, the connecting assembly comprises a connecting rod (5), a connecting sleeve (6), a connecting spring (7), a connecting plate (8) and a pressing rod (9), the connecting rod (5) is fixedly installed on the connecting plate (8) and is used for being connected with a steel wire rope, the connecting sleeve (6) is installed on the connecting plate (8), the connecting spring (7) is located in the connecting sleeve (6) and is used for enabling the connecting plate (8) to move towards the direction of a driving piece (35), the pressing rod (9) is fixedly installed on the connecting plate (8), the pressing rod (9) is fixedly connected with a horizontal rod (11) which is horizontally arranged, a strip-shaped groove (12) is formed in the rotating piece (36), and the pressing rod (9) is located in the strip-shaped groove (12) and is abutted to the top of the rotating piece (36).

8. The stacker safety anti-falling structure according to claim 7, wherein: the mounting seat (1) is fixedly provided with a clamping plate (14), the connecting rod (5) is provided with a clamping notch (34) extending along the length direction of the connecting rod, and the clamping plate (14) is in sliding fit with the mouth wall of the clamping notch (34).

9. The stacker safety anti-falling structure according to claim 1, wherein: the linkage assembly comprises two first connecting rods (23), two second connecting rods (24), two third connecting rods (25), two fourth connecting rods (26) and a linkage rod (27), wherein one ends of the first connecting rods (23) are respectively connected with two rotating pieces (36) in a rotating mode, the other ends of the first connecting rods are respectively connected with the two second connecting rods (24) in a rotating mode, one ends of the second connecting rods (24) are respectively connected with an installation seat (1) in a rotating mode, fixing blocks (28) are respectively fixedly installed on the two second connecting rods (24), one ends of the third connecting rods (25) are respectively rotatably installed on the two fixing blocks (28), the other ends of the third connecting rods are respectively rotatably installed on the two fourth connecting rods (26), the fourth connecting rods (26) are respectively rotatably installed at two ends of the linkage rod (27), and the linkage rod (27) is horizontally rotatably installed on the installation seat (1).

10. The stacker safety anti-falling structure according to claim 9, wherein: the two ends of the first connecting rod (23) are respectively connected with the rotating piece (36) and the second connecting rod (24) through two fish-eye bearings in a rotating way.

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