CN211997812U - Folding guardrail and stacker - Google Patents

Abstract

An embodiment of the utility model provides a folding guardrail and stacker relates to protective structure technical field. The embodiment of the utility model provides a folding guardrail includes fixed fence portion, folding fence portion, locating part and retaining member. The folding rail part is rotatably connected with the fixed rail part, so that the folding rail part is switched between a folding state and a protection state. The limiting piece and the locking piece are both connected to the fixed fence part, and in a folded state, the limiting piece and the locking piece limit the folded fence part at the same time, so that the folded fence part is kept in a folded state; simultaneously under the guard state, locating part and retaining member also carry on spacingly to folding fence portion simultaneously to make folding fence portion keep at the guard state, and then through the combined action of locating part and retaining member, guaranteed folding fence portion at the reliability of guard state and fold condition, help guaranteeing the safeguard effect.

Description

Folding guardrail and stacker

Technical Field

The utility model relates to a protective structure technical field particularly, relates to a folding guardrail and stacker.

Background

In order to ensure the safety of construction and operation, it is usually necessary to provide guardrails, for example at the highest maintenance platform of the stacker.

At present, for convenient use, designed some folded cascade's guardrail, the guardrail can switch with the protection state at fold condition, but current folded guardrail, when being in the protection state, the firm state of guardrail is poor, causes the influence to the safeguard effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding guardrail, for example, it can have good steadiness at the protection state, guarantees the protecting effect.

The utility model discloses an aim still includes, provides a stacker, and it has good protecting effect.

The embodiment of the utility model discloses a can realize like this:

the embodiment of the utility model provides a folding guardrail, which comprises a fixed guardrail part, a folding guardrail part, a limiting part and a locking part; the folding fence part is rotatably connected with the fixed fence part so as to switch the folding fence part between a folding state and a protection state;

the limiting piece and the locking piece are both connected to the fixed fence part, and in the folded state, the limiting piece and the locking piece are used for limiting the folding fence part at the same time so as to keep the folding fence part in the folded state; under the protection state, the limiting part and the locking part are used for limiting the folding fence part at the same time, so that the folding fence part is kept in the protection state.

Optionally, the fixed fence portion comprises a fence body and a connecting piece fixedly connected to the fence body, the folding guardrail further comprises a rotating shaft, and the rotating shaft is simultaneously connected with the connecting piece and the folding fence portion so that the folding fence portion winds the axis of the rotating shaft and the connecting piece are rotatably connected.

Optionally, the connecting piece includes a first connecting plate and a second connecting plate which are oppositely arranged at an interval, and an accommodating space is formed between the first connecting plate and the second connecting plate; the pivot sets up in the accommodation space, just the both ends of pivot connect respectively in first connecting plate and second connecting plate.

Optionally, the limiting part is fixedly connected to the connecting part, the limiting part and the rotating shaft are arranged at an interval, the limiting part has a first limiting portion facing the rotating shaft, and when the folding fence portion is in a protection state, the first limiting portion is abutted to and limited by the folding fence portion.

Optionally, the limiting part and the fence body are arranged at an interval, the limiting part is provided with a second limiting part facing the fence body, and when the folding fence part is in the folded state, the second limiting part is abutted to the folding fence part for limiting.

Optionally, the fixed rail portion is formed with a first plane, and the folding rail portion is formed with a second plane, and when the folding rail portion is in the folded state, the first plane intersects the second plane.

Optionally, when the folding rail is in the folded state, the first plane is perpendicular to the second plane.

Optionally, the fixed fence portion and the folding fence portion are rotatably connected around a preset axis, and the limiting member and the locking member are respectively located at two radial sides of the preset axis; when folding fence portion is in the guard state, the retaining member be spacing in one side of folding fence portion, work as when folding fence portion is in fold condition, the retaining member be spacing in the opposite side of folding fence portion.

Optionally, the pinhole has been seted up to fixed fence portion, the retaining member wears to establish the pinhole, just the retaining member can be followed the axial motion of pinhole, so that the retaining member switches between locking position and unblock position, works as the retaining member is located during the unblock position, folding fence portion can be relative fixed fence portion rotates, works as the retaining member is located during the locking position, the retaining member is right folding fence portion is spacing.

The embodiment of the utility model provides a stacker is still provided. The stacker includes a folding guardrail. The folding guardrail comprises a fixed guardrail part, a folding guardrail part, a limiting part and a locking part; the folding fence part is rotatably connected with the fixed fence part so as to switch the folding fence part between a folding state and a protection state; the limiting piece and the locking piece are connected to the fixed fence part, and in the folded state, the limiting piece and the locking piece are used for limiting two parts of the folded fence part respectively so as to keep the folded fence part in the folded state; under the protection state, the limiting part and the locking part are used for limiting two parts of the folding fence part respectively, so that the folding fence part is kept in the protection state.

The utility model discloses folding guardrail and stacker's beneficial effect includes, for example:

an embodiment of the utility model provides a folding guardrail, it includes fixed fence portion, folding fence portion, locating part and retaining member. The folding rail part is rotatably connected with the fixed rail part, so that the folding rail part is switched between a folding state and a protection state. The limiting piece and the locking piece are both connected to the fixed fence part, and in a folded state, the limiting piece and the locking piece limit the folded fence part at the same time, so that the folded fence part is kept in a folded state; simultaneously under the guard state, locating part and retaining member also carry on spacingly to folding fence portion simultaneously to make folding fence portion keep at the guard state, and then through the combined action of locating part and retaining member, guaranteed folding fence portion at the reliability of guard state and fold condition, help guaranteeing the safeguard effect.

The embodiment of the utility model also provides a stacker, it includes foretell folding guardrail. Because the stacker comprises the folding guardrail, the stacker also has the advantages of high reliability and good protection effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a partial structure of a stacker according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the folding rail portion of the folding guardrail according to the embodiment of the present invention in a protection state;

fig. 3 is a schematic structural view of the folding rail portion of the folding guardrail according to the embodiment of the present invention in a folded state;

FIG. 4 is an enlarged view of a portion of the structure at IV in FIG. 2;

FIG. 5 is an enlarged view of a portion of the structure at V in FIG. 3;

fig. 6 is a schematic structural view of a connecting frame in a folding guardrail according to an embodiment of the present invention;

fig. 7 is a schematic view of a partial structure of a folding fence portion in a stacker according to an embodiment of the present invention when the folding fence portion is in a folded state.

Icon: 10-a stacker; 100-folding guard rails; 110-folding rail portion; 111-a first connection; 112-a first tube portion; 113-a second tube portion; 120-a fixed fence portion; 121-a connector; 122 — a first connection plate; 123-a second connection plate; 124-nut; 125-pin hole; 126-hurdle body; 127-an accommodation space; 130-a limit piece; 131-a first limiting part; 132-a second limiting part; 140-a retaining member; 141-a handle; 142-a pin shaft; 151-a rotating shaft; 210-a service platform; 211-channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Fig. 1 is a partial structural schematic view of a stacker 10 provided in this embodiment, fig. 2 is a structural schematic view of a folding fence portion 110 in a folding guardrail 100 provided in this embodiment in a protection state, fig. 3 is a structural schematic view of the folding fence portion 110 in the folding guardrail 100 provided in this embodiment in a folded state, fig. 4 is an enlarged schematic view of a partial structure at a position iv in fig. 2, and fig. 5 is an enlarged schematic view of a partial structure at a position v in fig. 3. Referring to fig. 1-5, the present embodiment provides a folding fence 100 and, correspondingly, a stacker 10.

The stacker 10 includes a folding fence 100, and also includes a service platform 210 and a body (not shown). The maintenance platform 210 is installed at the upper end of the machine body, and the maintenance platform 210 is provided with a channel 211 for the maintenance personnel to walk. The folding fence 100 is installed on the service platform 210 and located at both sides of the passage 211 to protect service personnel walking in the passage 211.

The folding fence 100 includes a fixing fence portion 120, a folding fence portion 110, a stopper 130, and a locker 140. The folding rail portion 110 is rotatably connected to the fixed rail portion 120 such that the folding rail portion 110 is switched between a folded state and a shielding state. The limiting member 130 and the locking member 140 are both connected to the fixed fence portion 120, and in the folded state, the limiting member 130 and the locking member 140 simultaneously limit the position of the foldable fence portion 110, so that the foldable fence portion 110 is maintained in the folded state; meanwhile, in the protection state, the limiting member 130 and the locking member 140 limit the folding fence portion 110 at the same time, so that the folding fence portion 110 is kept in the protection state, and the reliability of the folding fence portion 110 in the protection state and the folding state is guaranteed through the combined action of the limiting member 130 and the locking member 140, and the protection effect is guaranteed.

The folding barrier 100 provided in the present embodiment will be further explained as follows:

referring to fig. 2 and 3, in the present embodiment, the foldable column 110 and the fixed column 120 are both frame structures formed by welding steel pipes, the fixed column 120 is formed with a first plane, the foldable column 110 is formed with a second plane, the foldable column 110 is rotatably connected to the upper end of the fixed column 120, and when the foldable column 110 is rotated to overlap the first plane and the second plane and the foldable column 110 is located on the upper side of the fixed column 120, the foldable column 110 is in a protection state. Therefore, when the folding fence part 110 is switched from the protection state to the folding state, the height of the folding guardrail 100 is reduced, so that after the folding guardrail 100 is installed on the maintenance platform 210 of the stacker 10, when the folding fence part 110 is in the folding state, the total height of the equipment is reduced, which is beneficial to ensuring the trafficability of the stacker 10; when the folding fence part 110 is in a protection state, the height of the guardrail meets the requirement of protection standards, and the requirements of equipment maintenance, equipment maintenance and safety are ensured. The lower end of the fixed rail part 120 is fixedly connected to the maintenance platform 210, in this embodiment, the lower end of the fixed rail part 120 is fixed to the maintenance platform 210 by bolts, and optionally, in other embodiments, the foldable guardrail 100 may be fixed to the maintenance platform 210 by welding.

The folding rail portion 110 has a first connecting portion 111, the fixed rail portion 120 has a second connecting portion, and the first connecting portion 111 and the second connecting portion are rotatably connected so that the folding rail portion 110 can rotate relative to the fixed rail portion 120 to switch between the shielding state and the folded state. Specifically, the foldable column 110 has three first connecting portions 111, the three first connecting portions 111 are sequentially spaced along the rotation axis of the foldable column 110, and the three first connecting portions 111 are respectively located at two ends and a middle portion of the foldable column 110. Accordingly, the fixed rail part 120 has three second connection parts, which are provided in one-to-one correspondence with the three first connection parts 111, thereby securing connection reliability between the fixed rail part 120 and the folding rail part 110. It is understood that, in other embodiments, the number of the first connecting portions 111 and the second connecting portions may be set according to the requirement, and the requirement of the rotational connection between the folding rail portion 110 and the fixed rail portion 120 may be satisfied.

Further, the folding guardrail 100 further comprises a limiting assembly, the limiting assembly comprises a limiting member 130 and a locking member 140, and the folding fence 110 is limited in the folding state or the protection state by the cooperation of the limiting member 130 and the locking member 140. Specifically, the quantity of spacing subassembly is three, and three spacing subassembly one-to-one sets up in second connecting portion department to carry on spacingly through three spacing subassembly to three first connecting portion 111, make folding fence portion 110 can keep fold condition and guard state, spacing reliability is high simultaneously, helps guaranteeing barrier propterty. It is understood that in other embodiments, the number of the limiting assemblies may be set according to the requirement, for example, the limiting assemblies are only arranged at the second connecting portions at the two ends of the fixed rail portion 120.

The limiting member 130 and the locking member 140 are both connected to the fixed fence portion 120, and in the folded state, the limiting member 130 and the locking member 140 respectively limit two portions of the folded fence portion 110, so that the folded fence portion 110 is maintained in the folded state, and in the protection state, the limiting member 130 and the locking member 140 respectively limit two portions of the folded fence portion 110, so that the folded fence portion 110 is maintained in the protection state.

Referring to fig. 4 and fig. 5, in the present embodiment, the fixed rail portion 120 includes a rail 126 and a connecting member 121 fixedly connected to the rail 126, and the connecting member 121 forms the second connecting portion. The folding fence 100 further includes a rotation shaft 151, and the rotation shaft 151 is connected to both the connection member 121 and the folding fence 110, so that the folding fence 110 is rotatably connected to the connection member 121 about the axis of the rotation shaft 151. Specifically, the rotating shaft 151 penetrates through the first connecting portion 111 of the folding rail portion 110, so that the first connecting portion 111 is divided into the first tube portion 112 and the second tube portion 113 by a plane where an axis of the rotating shaft 151 is located, and the plane is perpendicular to the axis of the first connecting portion 111. When the folding rail 110 is in the protection state, the first pipe portion 112 is located on the upper side of the rotation shaft 151, and the second pipe portion 113 is located on the lower side of the rotation shaft 151.

The link member 121 includes a first link plate 122 and a second link plate 123 disposed at an opposite interval, an accommodating space 127 is formed between the first link plate 122 and the second link plate 123, the rotation shaft 151 is disposed in the accommodating space 127, and both ends of the rotation shaft 151 are respectively connected to the first link plate 122 and the second link plate 123, so that the first connection portion 111 of the folding rail portion 110 is accommodated in the accommodating space 127. The limiting member 130 is fixedly connected to the connecting member 121, the limiting member 130 and the rotating shaft 151 are disposed at an interval, and the limiting member 130 has a first limiting portion 131 facing the rotating shaft 151, when the foldable guardrail 100 is in the protection state, the first limiting portion 131 abuts against the foldable fence portion 110 to limit the foldable fence portion 110. Further, the limiting member 130 is disposed at an interval from the rail 126, and the limiting member 130 has a second limiting portion 132 facing the rail 126, when the foldable rail 110 is in the folded state, the second limiting portion 132 abuts against the foldable rail 110 to limit the foldable rail 110.

Fig. 6 is a schematic structural view of the connection frame in the folding guardrail 100 provided in this embodiment. Specifically, the limiting member 130 is a plate-shaped member, two ends of the limiting member are fixedly connected to the upper ends of the first connecting plate 122 and the second connecting plate 123, so as to form a connecting frame, the lower ends of the first connecting plate 122 and the second connecting plate 123 are fixedly connected to the fence 126, the limiting member 130 is located on the upper side of the fence 126, and the second limiting portion 132 of the limiting member 130 facing the fence 126 is the lower end surface of the limiting member 130. And because the position-limiting member 130 and the rail 126 are disposed at an interval, the position-limiting member 130, the first connecting plate 122, the rail 126 and the second connecting plate 123 form a hole communicated with the moving space, and when the foldable rail 110 is in the folded state, the second pipe 113 extends into the hole to abut against the second position-limiting member 132. Optionally, two ends of the limiting member 130 are fixed to the first connecting plate 122 and the second connecting plate 123 by welding, respectively, to form a connecting frame, and it can be understood that in other embodiments, the connecting frame may be made in other manners according to requirements, for example, the connecting frame is integrally formed by bending a metal plate.

Referring to fig. 4 to 6, in the present embodiment, the locking member 140 is a locking pin, the fixed rail 120 is provided with a pin hole 125, the locking member 140 is disposed through the pin hole 125, and the locking member 140 can move along the axial direction of the pin hole 125 to switch the locking member 140 between the locking position and the unlocking position, when the locking member 140 is in the unlocking position, the foldable rail 110 can rotate relative to the fixed rail 120 to switch the foldable rail 110 between the shielding state and the folding state, and when the locking member 140 is in the locking state, the locking member 140 limits the foldable rail 110, so that the rail and the fixed rail 120 are relatively fixed.

Specifically, the first connecting plate 122 and the second connecting plate 123 are both provided with pin holes 125, the pin hole 125 on the first connecting plate 122 is a first pin hole, the pin hole 125 on the second connecting plate 123 is a second pin hole, and the first pin hole and the second pin hole are coaxially arranged. The pin hole 125 and the limiting member 130 are located on two sides of the accommodating space 127, and when the folding fence 110 is in the protection state, the locking member 140 and the limiting member 130 are located on two sides of the first connecting portion 111, respectively, so as to clamp the folding fence 110 between the limiting member 130 and the locking member 140, that is, in the protection state, the limiting member 130 and the locking member 140 limit two positions at two ends of the folding fence 110 in the radial direction, respectively.

In the present embodiment, the second position-limiting portion 132 is located on the upper side of the rotating shaft 151, the axis of the pin hole 125 is located on the upper side of the rotating shaft 151, that is, when the locking member 140 is inserted into the pin hole 125, the locking member 140 is located on the upper side of the rotating shaft 151, when the folding fence 110 is in the folded state, both the locking member 140 and the position-limiting member 130 are located on the upper side of the folding fence 110, and the locking member 140 is located on the upper side of the first pipe portion 112, and the position-limiting member 130 is located on the upper side of the second pipe portion 113, that is, when the folding state is in the folded state, the position-limiting member 130 and the locking member 140 respectively limit two portions. Meanwhile, since the locking member 140 and the limiting member 130 are both located at the upper side of the rotating shaft 151, when in the protection state, the limiting member 130 and the locking member 140 are respectively located at both radial sides of the first pipe part 112, thereby simultaneously limiting the two positions at both sides of the first pipe part 112. Moreover, when in the protection state, the retaining member 140 is in contact with the portion of the first tube 112 on one side in the radial direction for limitation, and when in the folding state, the retaining member 140 is in contact with the portion of the first tube 112 on the other side in the radial direction for limitation, that is, when in the protection state and the folding state, the retaining member 140 is respectively limited on both sides of the folding fence portion 110.

It should be noted that, the positions of the locking member 140 and the limiting member 130 relative to the rotating shaft 151 are not limited herein, and it should be understood that, in other embodiments, the position of the limiting member 130 may be specifically set according to requirements, for example, the second limiting portion 132 is set to be located at the lower side of the rotating shaft 151, or the locking member 140 is set to be located at the lower side of the rotating shaft 151, so that the folding fence portion 110 can be switched between the folding state and the protection state by rotating, and meanwhile, when the folding fence portion 110 is in the folding state and the protection state, the folding fence portion 110 can be limited by the combined action of the limiting member 130 and the locking member 140.

Since the second position-limiting portion 132 of the position-limiting member 130 is the lower end surface of the position-limiting member 130, when the foldable fence portion 110 is in the folded state, the first plane formed by the fixed fence portion 120 intersects the second plane formed by the foldable fence portion 110, and thus the projection of the foldable fence portion 110 is located on one side of the fixed fence portion 120, when the foldable fence portion 110 is installed, the foldable fence portion 110 is located inside the channel 211, so that when the foldable fence portion 110 is in the folded state, the foldable fence portion 110 can block at least part of the channel 211, thereby closing the channel 211 to block the passage of the service man (as shown in fig. 7). Optionally, when the folding guardrail 100 is in the folded state, the first plane is perpendicular to the second plane, so that when the folding guardrail 100 is in the folded state, the projection area of the folding guardrail 100 on the channel 211 is the largest, and the sealing effect on the channel 211 is the best. Specifically, in the up-down direction shown in fig. 4 and 5, the distance between the second stopper portion 132 and the axis of the rotary shaft 151 is equal to the radius of the second pipe portion 113, and the distance between the locker 140 and the axis of the rotary shaft 151 is equal to the radius of the first pipe portion 112.

Referring to fig. 4 to 6, in the present embodiment, the locking member 140 includes a pin 142 and a handle 141, the pin 142 and the handle 141 are rod-shaped, and the pin 142 is vertically connected to the middle of the handle 141, so as to form a T-shaped locking pin. When the foldable fence 110 is used, the locking member 140 locks the foldable fence 110 in the folded state or the protection state when the pin 142 penetrates through the first pin hole and the second pin hole. Specifically, the pin 142 is provided with a thread, the connecting member 121 further includes a nut 124 disposed on the first connecting plate 122, and the pin 142 is screwed with the nut 124, thereby ensuring the reliability of locking.

According to the folding guardrail 100 provided by the embodiment, the working principle of the folding guardrail 100 is as follows:

during the use, when needing to protect through folding guardrail 100, at first the retaining member 140 rotates, make the retaining member 140 move the unlocking position, round pin axle 142 avoid folding fence portion 110's rotation orbit this moment can, make folding fence portion 110 can switch at fold condition and guard state, upwards rotate folding fence portion 110, folding guardrail 100's height increases, until folding fence portion 110 and first spacing portion 131 butt, then rotate retaining member 140, one end that the handle 141 was kept away from to round pin axle 142 is inserted in the second pinhole, retaining member 140 is in the locking position this moment, thereby it is spacing at the guard state with folding fence portion 110. When it is desired to lower the folding height of the folding fence 100 or to close the passageway 211, the locking member 140 is first rotated so that the locking member 140 moves to the unlocking position, then the folding fence portion 110 is rotated downward until the second tube portion 113 abuts the second stopper portion 132, and then the locking member 140 is rotated until the end of the pin 142 remote from the handle 141 is inserted into the second pin hole, at which time the locking member 140 is in the locking position, thereby restraining the folding fence portion 110 in the folded state.

The folding guardrail 100 provided by the embodiment has at least the following advantages:

the embodiment of the utility model provides a folding guardrail 100 it is provided with locating part 130 and retaining member 140, and the combined action through locating part 130 and retaining member 140 is spacing with folding fence portion 110 at fold condition or guard state to make folding fence portion 110 all have good reliability under fold condition and guard state, and then when folding fence portion 110 is in guard state, folding guardrail 100 has good safeguard effect. Since the folding rail portion 110 is perpendicular to the fixed rail portion 120 when the folding rail portion 110 is in the folded state, the passage 211 can be blocked by the folding rail portion 110, and the passage of service personnel can be prevented.

The present embodiment also provides a stacker 10 that includes the folding fence 100 described above. Since the stacker 10 includes the folding guardrail 100, the stacker has the advantages of good protection effect, high reliability and capability of blocking the channel 211 through the folding guardrail 100.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A folding fence, characterized in that the folding fence (100) comprises a fixed fence part (120), a folding fence part (110), a limiting part (130) and a locking part (140); the folding fence part (110) is rotatably connected with the fixed fence part (120) so that the folding fence part (110) is switched between a folding state and a protection state;

the limiting piece (130) and the locking piece (140) are both connected to the fixed fence part (120), and in the folded state, the limiting piece (130) and the locking piece (140) are used for limiting the folding fence part (110) at the same time so that the folding fence part (110) is kept in the folded state; in the protection state, the limiting member (130) and the locking member (140) are used for limiting the folding rail part (110) at the same time, so that the folding rail part (110) keeps the protection state.

2. The folding barrier according to claim 1, characterized in that the fixed rail part (120) comprises a rail body (126) and a connecting member (121) fixedly connected to the rail body (126), the folding barrier (100) further comprises a rotating shaft (151), the rotating shaft (151) is simultaneously connected with the connecting member (121) and the folding rail part (110), so that the folding rail part (110) is rotatably connected with the connecting member (121) around the axis of the rotating shaft (151).

3. The folding fence of claim 2, wherein the connector (121) comprises a first connector plate (122) and a second connector plate (123) which are oppositely spaced apart, the first connector plate (122) and the second connector plate (123) forming a receiving space (127) therebetween; the rotating shaft (151) is arranged in the accommodating space (127), and two ends of the rotating shaft (151) are respectively connected to the first connecting plate (122) and the second connecting plate (123).

4. The folding guardrail according to claim 2, characterized in that the limiting member (130) is fixedly connected to the connecting member (121), the limiting member (130) is spaced from the rotating shaft (151), and the limiting member (130) has a first limiting portion (131) facing the rotating shaft (151), and when the folding guardrail portion (110) is in the protection state, the first limiting portion (131) abuts against the folding guardrail portion (110) for limiting.

5. The folding guardrail according to claim 4, characterized in that the stop member (130) is spaced apart from the rail body (126), and the stop member (130) has a second stop portion (132) facing the rail body (126), the second stop portion (132) being in abutment with the folding rail portion (110) for stopping when the folding rail portion (110) is in the folded state.

6. The folding fence of claim 1 wherein the fixed fence portion (120) is formed with a first plane and the folding fence portion (110) is formed with a second plane, the first plane intersecting the second plane when the folding fence portion (110) is in a folded condition.

7. The folding guardrail of claim 6, characterized in that the first plane is perpendicular to the second plane when the folding rail part (110) is in a folded state.

8. The folding fence of claim 1, wherein the fixed fence portion (120) is rotatably connected to the folding fence portion (110) about a predetermined axis, and the retaining member (130) and the locking member (140) are located radially on both sides of the predetermined axis; when folding fence portion (110) is in the guard mode, retaining member (140) are spacing in one side of folding fence portion (110), when folding fence portion (110) is in fold condition, retaining member (140) are spacing in the opposite side of folding fence portion (110).

9. The folding fence as claimed in any one of claims 1 to 8, wherein the fixed fence part (120) is provided with a pin hole (125), the locking member (140) is inserted through the pin hole (125), and the locking member (140) is movable in the axial direction of the pin hole (125) to switch the locking member (140) between a locking position and an unlocking position, wherein when the locking member (140) is located in the unlocking position, the folding fence part (110) can rotate relative to the fixed fence part (120), and when the locking member (140) is located in the locking position, the locking member (140) can limit the folding fence part (110).

10. A stacker crane characterized in that the stacker crane (10) comprises a folding guardrail (100) according to any one of claims 1-9.

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