CN101462642B - Micro-lifting apparatus of right-angle steering conveyor and right-angle steering conveyor - Google Patents

Abstract

A micro-elevating device for a right-angle steering conveyor, comprising: i) an underframe, ii) an installation frame arranged on the underframe, and iii) a motor arranged on the installation frame; also includes, iv) a lateral Set and run through the drive shaft of the motor, the two ends of the drive shaft are respectively supported on the mounting frame by the large bearing through the bearing seat; v) two micro-lifting mechanisms respectively symmetrically arranged at the two ends of the drive shaft; vi) supported on the micro a chain rack that can move up and down with the micro-lifting mechanism on the lifting mechanism; and vii) limit mechanisms that are respectively arranged on the left and right sides of the bottom frame, one end of the limit mechanism is connected to the bottom frame, The other end is attached to the chain rack. Quarter turn conveyors with micro lifts are also available. The conveyor is small in size, large in horizontal and vertical conveying capacity, stable in operation, and small in horizontal swing and shaking.

Description

Lifting device for right-angle turn conveyors and right-angle turn conveyors

technical field

The invention relates to a right-angle turning conveyor, in particular to a micro-lifting device for a right-angle turning conveyor.

Background technique

Right-angle reversing conveyors are widely used in logistics systems. Chinese Utility Model Patent No. ZL200520053575.6 discloses a conveyor that realizes right-angle reversing by universal balls and rollers. The right-angle reversing conveyor is composed of a rolling ball platform and a power conveying roller. The power conveying roller can be lifted and lowered under the control of a micro-lifting device. There are multiple universal balls on the rolling ball platform, and the universal ball can be used at any When conveying horizontally, the power conveying roller is lowered, and the goods are placed on the rolling ball platform, and the goods are pushed to move in the required direction by manpower; when conveying longitudinally, the power rollers are raised and rotated to make the goods move along the vertical direction. Movement in the direction (longitudinal) of the roller axis. Among them, the universal ball system has no power drive device, and can only be applied to the conveyor line with relatively large longitudinal conveying capacity and relatively small transverse conveying capacity.

The principle of the conveyor that is equipped with a micro-lifting device and can realize horizontal and vertical conveying is to realize the alternate work of the horizontal conveying working surface and the longitudinal conveying working surface through the micro-lifting device, but the right-angle steering conveyor of this working principle is in the reverse operation It is easy to cause the swing and shaking of the conveyor in the horizontal direction. In order to overcome the above problems, Chinese Utility Model Patent No. ZL200420009829.X discloses in detail the working principle of a micro-lifting mechanism for right-angle steering conveyors. The micro-lifting mechanism is equipped with two camshafts and two sets of cam motors. A reversing device is also installed, which makes the cams of the two camshafts rotate at the same speed but in opposite directions, so that the horizontal forces generated by the two cams cancel each other out, which solves the horizontal shaking, impact and noise that occur when the conveying mechanism reverses up and down. question. In the prior art, in order to better limit the horizontal, horizontal or vertical shaking of the conveyor, pull rod devices are installed at the four corners of the conveyor. The micro-elevating device and pull rod device of the conveyor in the prior art can be well realized for the conveyor with a large table, but for the conveyor with a small table, there is not enough space to install two sets of cams, drive motors, replacements, etc. Direction mechanism and pull rod device.

It is still an urgent problem to be solved by those skilled in the art to develop a conveyor that is relatively small in size, can realize large transversal-longitudinal conveying capacity, and is stable in operation.

Contents of the invention

The technical problem to be solved by the present invention is to provide a micro-lifting device that can be used for a right-angle turning conveyor with a small conveying table, so as to provide the right-angle turning conveyor with a switching operation between a horizontal conveying surface and a longitudinal conveying surface, and limit the conveying The swing and shaking of the machine in the horizontal direction. Another technical problem to be solved by the present invention is to provide a right-angle steering conveyor including the above-mentioned micro-lifting device, so as to overcome the problems of large space, large vertical-horizontal conveying difference, and unstable operation of existing conveyors. For ease of description, the chain transmission direction of the conveyor is defined as the longitudinal direction, and the roller transmission direction of the conveyor is defined as the horizontal direction; at the same time, the longitudinal left and right sides of the conveyor are divided into left and right sides, and the longitudinal front and rear divisions are divided into front and rear two sides. end.

In order to solve the above technical problems, the first aspect of the present invention provides a lifting device for a right-angle steering conveyor, which includes:

i) a box-shaped underframe;

ii) a mounting bracket provided on said chassis, and

iii) a motor set on a mounting frame; which also includes,

iv) The drive shaft is arranged horizontally and runs through the motor, and the two ends of the drive shaft are respectively supported on the mounting frame by the first bearing through the bearing seat;

v) two lifting mechanisms symmetrically arranged at the two ends of the drive shaft respectively; the left and right lifting mechanisms have the same axis, and the two lifting mechanisms rotate with the drive shaft while their upper end surfaces perform lifting movements;

vi) a chain frame that is supported on the lifting mechanism and can move up and down with the rotation of said lifting mechanism; and

vii) Limiting mechanisms respectively arranged on the left and right sides of the bottom frame for maintaining stability during lifting, one end of the limiting mechanism is connected to the bottom frame, and the other end is connected to the chain frame.

According to a further conception of the lifting device of the present invention, the drive shaft includes two concentrically arranged first drive shafts and second drive shafts, and one end of them is respectively connected to the left and right sides of the motor. The drive shafts of the present invention can be the same shaft, or as described in this concept, set up as two shafts, namely the first drive shaft and the second drive shaft. The advantage of setting up two drive shafts in this way is that it is very convenient to install.

According to a further conception of the lifting device of the present invention, the two lifting mechanisms are respectively composed of second bearings arranged on the eccentric shafts at both ends of the drive shaft. That is to say, the left and right lifting mechanisms described at this moment are two small bearings, and the axis centers of the two small bearings are the same and are eccentric with the axis center of the drive shaft.

Or, according to a further conception of the lifting device of the present invention, the two lifting mechanisms are respectively composed of cams arranged at both ends of the drive shaft. That is, the lifting mechanism is two symmetrically installed cams at this moment. By changing the eccentric distance of the small bearing or changing the shape of the cam, the lifting height of the upper end surface of the lifting mechanism can be changed, so that it can be applied to different occasions. For example, the cam can be elliptical, and/or the axis of the elliptical cam can be at the center of the ellipse or at one side of the long diameter of the ellipse.

According to a further conception of the lifting device of the present invention, the installation frame is connected to the bottom frame through a height-adjustable screw rod. The advantage of this structure is that when the conveyor of the present invention is installed, the conveying working surface can be maintained by adjusting the screw when the height is uncomfortable due to factors such as uneven ground or height mismatch between the conveyor and other conveyors. level.

According to a further conception of the lifting device of the present invention, the limit mechanism includes a first hinge shaft, a second hinge shaft and a third hinge shaft; a first hinge plate is installed between the first hinge shaft and the third hinge shaft, A second hinge plate is installed between the second hinge shaft and the third hinge shaft; the outer casing of the first hinge shaft is welded with a first connecting plate, and the outer casing of the second hinge shaft is welded with a second connecting plate; the first connection The plate is connected to the chain frame, and the second connecting plate is connected to the bottom frame. Wherein the connection between the connecting plate and the chain frame or the bottom frame can be connected by bolts or other methods. Through the above connection relationship, the third hinge shaft as the connection point of the first connecting plate and the second connecting plate, the first connecting plate as the connecting point of the chain frame and the first hinge shaft, and the connecting point of the bottom frame and the second hinge shaft The second connecting plate, the three connecting points form a triangular shape, which can effectively prevent the longitudinal conveying working surface from swinging left and right or back and forth during the lifting movement.

According to the further conception of the lifting device of the present invention, two sets of limit mechanisms are arranged on each side of the left and right sides of the lift device, and a set of limit mechanisms are also arranged at the front end of the lift device, and the limit mechanism is connected with the chain frame and the bottom by the limit mechanism. frame connection. Set in this way, that is, two sets of limit mechanisms are set on each side of the left and right sides, so that the conveyor can still maintain stability when bearing heavy objects, and the limit mechanism set at the front end of the lifting device can prevent longitudinal conveying work The surface will not shake left and right during the lifting movement.

According to a further conception of the lifting device of the present invention, the hinge is a plate-like structure.

According to a further concept of the lifting device of the present invention, the axis of the lifting mechanism deviates from the center of the conveyor.

A second aspect of the present invention provides a right-angle steering conveyor, which includes:

a) The lifting device of any concept of the first aspect of the present invention;

b) a set of rollers arranged longitudinally and transported horizontally, said set of rollers being arranged on a roller frame connected to the bottom frame;

c) a chain group arranged longitudinally and transported longitudinally, the chains of the chain group are set on the chain frame and the chain frame is supported on the lifting mechanism; and

d) the rollers of the roller group and the chains of the chain group are arranged to be nested at intervals, and the chain moves up and down with the chain frame; and

e) The power device for driving the transmission of the roller set and the chain set.

According to a further conception of the right-angle steering conveyor of the present invention, two sets of limit mechanisms are respectively provided on the left and right sides of the lifting device, and one set is provided at the front end of the lifting device. A preferred idea is that the roller set is provided with six rollers; the chain set is provided with three chains.

Through the micro-elevating device for the right-angle steering conveyor provided by the present invention and the right-angle steering conveyor including the micro-lifting device, a relatively small one, which can realize large horizontal-longitudinal conveying capacity and stable operation The conveyor realizes the switching operation between the horizontal conveying surface and the longitudinal conveying surface, and limits the swing and shaking of the conveyor in the horizontal direction.

Description of drawings

Fig. 1 is the top view direction schematic diagram of right-angle steering conveyor of the present invention;

Fig. 2 is the schematic diagram of the front view of the micro lifting device of the present invention;

Fig. 3 is a schematic top view of the micro-lifting device of the present invention;

Fig. 4 is the schematic front view of the limit mechanism of the micro lifting device of the present invention;

Fig. 5 is a schematic side view of the limit mechanism of the micro-lifting device of the present invention.

Among them, the main drawings and symbols are explained as follows:

1. Right-angle steering conveyor 281. First hinge shaft

2. Micro lifting device 282. The second hinge shaft

21. Underframe 283. The third hinge shaft

22. Mounting frame 284. First hinge plate

23. Motor 285. Second hinge plate

24. Large bearing 286. The first connecting plate

25. Drive shaft 287. Second connecting plate

251. First drive shaft 29. Screw

252. Second drive shaft 3. Roller group

26. Micro lifting mechanism 4. Chain group

27. Chain rack 5. Hinge

28. Limit mechanism 6. Power device

Detailed ways

The present invention will be further described through specific embodiments below with reference to the accompanying drawings. However, these embodiments and drawings are only for explanation to facilitate understanding of the present invention, and are not intended to limit the present invention.

The micro-elevating device for the right-angle steering conveyor of the first aspect of the present invention includes: i) a square frame-shaped underframe 21; ii) a mounting frame 22 connected to the underframe 21 by a height-adjustable screw rod 29, and iii) a motor 23 arranged on the mounting frame 22; it also includes, iv) a drive shaft 25 which is arranged laterally and runs through the motor 23, and the two ends of the drive shaft 25 are respectively supported on the mounting frame 22 by a large bearing 24 through a bearing seat v) two micro-elevating mechanisms 26 symmetrically arranged on the two ends of the drive shaft 25 respectively; Its upper end surface does lifting movement; vi) is supported on the micro-lifting mechanism 26 and can rotate with described micro-lifting mechanism 26 and the chain frame 27 of lifting movement; Position mechanism 28, one end of said position limiting mechanism 28 is connected on the chassis 21, and the other end is connected on the chain frame 27. Mounting frame 22 is connected on the base frame 21 by the screw rod 29 of adjustable height, the advantage of this structure is, when installing conveyor of the present invention, when the factors such as because of ground unevenness or conveyor and other conveyor height mismatches cause Under the circumstances that the bottom frame 21 is not level or the height is not suitable, the conveying working surface can be kept level by adjusting the screw rod 29 .

For the drive shaft of the present invention, an embodiment may be to use two shaft connections, that is, the drive shaft 25 includes two concentrically arranged first drive shafts 251 and second drive shafts 252, and one ends of them are respectively Connected to the left and right sides of the motor 23; the second embodiment adopts one shaft, that is, the drive shaft 25 of the present invention is the same shaft. It is arranged as two shafts, that is, the first driving shaft 251 and the second driving shaft 252 are arranged, and the advantage is that it is very convenient to install.

For the design of the micro-elevating mechanism 26, the first embodiment is that the left and right micro-elevating mechanisms 26 are respectively composed of small bearings arranged on the eccentric small shaft at the two ends of the drive shaft 25. That is, the left and right micro-elevating mechanisms 26 described at this moment are two small bearings, and the axis centers of the two small bearings are the same and are eccentric with the axis center of the drive shaft 25 .

For the design of the micro-elevating mechanism 26, the second embodiment is that the left and right micro-elevating mechanisms 26 are respectively composed of cams arranged at the two ends of the drive shaft. Promptly at this moment micro lifting mechanism 26 is the cam of two symmetrical installations. By changing the eccentricity of the small bearing or changing the shape of the cam, the lifting height of the upper end surface of the micro-lifting mechanism 26 can be changed, so that it can be applied to different occasions. For example, the cam can be elliptical, and/or the axis of the elliptical cam can be at the center of the ellipse or at one side of the long diameter of the ellipse.

In a preferred embodiment, the limiting mechanism 28 includes a first hinge shaft 281, a second hinge shaft 282 and a third hinge shaft 283; the first hinge shaft 281 and the third hinge shaft 283 are installed between A hinge plate 284, the second hinge plate 285 is installed between the second hinge shaft 282 and the third hinge shaft 283; There is a second connecting plate 287; the first connecting plate 286 is connected to the chain frame 27, and the second connecting plate 287 is connected to the bottom frame 21. Wherein the connection between the connecting plate and the chain frame or the bottom frame can be connected by bolts or other methods. Through the above connection relationship, the third hinge shaft 283 as the connection point of the first connection plate 286 and the second connection plate 287, the first connection plate 286 as the connection point of the chain frame 27 and the first hinge shaft 281, and the bottom frame 21 as the connection point. The second connecting plate 287 connected to the second hinge shaft 282 has three connecting points forming a triangular shape, which can effectively prevent the vertical conveying working surface from swinging left and right or back and forth during the lifting movement.

In a preferred embodiment, two sets of limit mechanisms 28 are arranged on each side of the left and right sides of the micro-lifting device 2, and a set of limit mechanisms 28 are also provided at the front end of the micro-lift device 2, and the limit mechanism 28 and the The chain rack 27 is connected to the bottom frame 21. Set in this way, that is, two sets of limit mechanisms 28 are arranged on each side of the left and right sides, so that the conveyor can still remain stable when bearing heavier objects, and the limit mechanism 28 provided at the front end of the micro-lifting device 2 can Prevent the longitudinal conveying working surface from shaking left and right during the lifting movement.

The right-angle steering conveyor provided by the second aspect of the present invention includes: a) the micro-elevating device 2 of any concept of the first aspect of the present invention; Group 3 is arranged on the roller frame that is connected with bottom frame; c) the chain group 4 that vertically arranges and carries out longitudinal transmission, the chain of described chain group 4 is sleeved on the chain frame 27 and this chain frame 27 is supported on micro On the lifting mechanism 26; and d) the rollers of the roller group 3 and the chains of the chain group 4 are arranged to be interlocked at intervals, and the chain moves up and down along with the chain rack; and e) driving the roller group 3 and the power unit 6 transmitted by the chain set 4.

The rollers of the above-mentioned roller group 3 and the chains of the chain group 4 are arranged to be nested at intervals, and the chain moves up and down with the chain frame 27 lifting. Specifically, each roller of the roller group 3 has the same height with each other, and each chain of the chain group 4 also has the same height with each other; the rollers and chains are arranged vertically alternately; the roller group 3 is fixed in height in the vertical direction, and the chain frame 27 elevates and drives the chain to move up and down, and then the chain group 4 moves up and down relative to the roller group 3 . Thus, for the uppermost working surface of the right-angle steering conveyor, the working surface supported by the roller group 3 and the working surface supported by the chain group 4 are realized by the transmission of the micro-lifting device 2, and the two working surfaces are alternately on the top.

According to the further design of the right-angle steering conveyor of the present invention, two sets of the limit mechanism 28 are respectively arranged on the left and right sides of the micro-lifting device 2, and one set is provided at the front end of the micro-lifting device 2; There are six rollers; the chain group 4 is provided with three chains.

Specifically, as shown in Figure 1, it is a top view schematic diagram of a right-angle steering conveyor 1. There are two conveying surfaces of the conveyor 1, one is the transverse conveying working surface formed by the top surface of the roller group 3, and the other is The longitudinal conveying working surface formed by the top surface of the chain set 4. When the working surface of the roller group 3 is higher than the working surface of the chain, the working surface of the lateral conveying equipment (not shown) is at the same height as the working surface of the roller group 3, and the goods are transported from the lateral conveying equipment to the working surface of the rollers. surface, so as to enter the right-angle steering conveyor 1 of the present invention, and then the goods need to be changed from horizontal to vertical conveying. At this time, under the drive of the motor 23, the drive shaft 25 rotates, and the transmission micro-elevating mechanism 26 (eccentric with the drive shaft 25) Small bearings or concentric cams) rotate, thereby driving the chain frame 27 arranged on the upper end surface of the micro-elevating mechanism 26 to perform lifting motion, under this effect, the micro-elevating mechanism lifts the chain working surface, and then the chain working surface pushes the roller working surface The goods on the chain are lifted, and under the transmission of the chain group 4, the goods on the chain working surface are longitudinally transmitted, and then the goods for longitudinal transmission are moved to the longitudinal conveying equipment (not shown) whose height is equal to that of the chain working surface. This enables the goods to be transported at right angles. As shown in Figure 1, the hinge 5 as position-limiting mechanism 28 is respectively provided with two covers on the left and right sides of micro-lifting device 2, and a set is provided at the front end of micro-lifting device 2; Described roller group 3 is provided with six Roller; the chain set 4 is provided with three chains.

As shown in Figure 2, have shown the front view of micro-lifting device 2, screw rod 29 is installed on the underframe 21 of micro-lifting device 2 (this underframe 21 is also the underframe of right-angle turning conveyor 1 of the present invention simultaneously), screw rod 29 Connect the mounting frame 22 on the top, the motor 23 is arranged on the mounting frame 22, the large bearing 24 is also installed on the mounting frame 22, and the small bearing at the shaft end (being the micro lifting mechanism 26, also can adopt the scheme of the cam) supports the chain frame 27 . Since the mounting frame 22 is installed on the screw rod 29, the whole micro-lifting device 2 can be adjusted in overall height by the screw rod 29 before the installation and positioning in the workplace. Hinge 5 (being a kind of specific scheme of position-limiting mechanism 28, the present invention also can adopt the position-limiting mechanism of other modes) one end is connected on the chassis 21, and the other end is hinged on the hinge frame 27.

As shown in Figure 3, it is a top view schematic diagram of the micro-lifting device 2 of the present invention, the mounting frame 22 is installed on the underframe 21 by four screw rods 29, and the motor 23 is installed on the mounting frame 22, respectively on both sides of the right-angle steering conveyor 1. Install two hinges 5 (i.e. a specific scheme of the position-limiting mechanism 28, the present invention also can adopt the position-limiting mechanism of other modes), install at the front end of conveyor (also can be that the rear end installs, also can be behind the front end Rear end all installs) a hinge 5 (being a kind of specific scheme of position-limiting mechanism 28, the present invention also can adopt the position-limiting mechanism of other modes). The large bearing 24 is installed on the mounting frame 22 through the mounting seat, and the motor drives the drive shaft 25 (the same drive shaft 25 or two concentric shafts 251, 252 on the left and right) to rotate. Since the chain motor of the power unit 6 has gravity, the axis of the drive shaft 25 deviates from the transverse center line of the conveyor, so as to balance the dead weight of the chain motor of the power unit 6 . Since the micro-lifting device 2 is only lifted by the drive shaft 25, it will cause the chain conveying surface to swing, so two sets of hinges 5 are respectively installed on both sides of the conveyor, and the structure of the hinges 5 is a plate structure. As can be seen from Figure 2, one end of the hinge is installed on the chassis, and the other end is installed on the chain frame, so as to limit the swing of the chain conveying surface. In order to better limit the shaking of the chain conveying surface, a hinge 5 is also installed at the front end (or rear end) of the right-angle steering conveyor. Similarly, one end of the hinge 5 is installed on the hinge frame 27, and the other end is installed On the chassis 21.

As shown in Fig. 4, Fig. 5 is the front schematic view and the side view schematic diagram of the limit mechanism 28 of the micro-lifting device 2 of the present invention, this limit mechanism 28 (can be hinge 5 specifically) comprises the first hinge shaft 281, the second Two hinge shafts 282, the third hinge shaft 283, the first hinge plate 284 connected between the first hinge shaft 281 and the third hinge shaft 283, the first hinge plate 284 connected between the second hinge shaft 282 and the third hinge shaft 283 Two hinge plates 285. On the outer cover of the first hinge shaft 281, a first connecting plate 286 is welded, and a hole is provided on the first connecting plate 286 to be connected to the chain frame 27 by bolts; The second connecting plate 287 is also provided with holes for connecting to the bottom frame 21 through bolts. Of course, the first connecting plate 286 and the second connecting plate 287 may not be installed, but are directly welded on the chain frame 27 through the outer cover of the first hinge shaft 281, and the outer cover of the second hinge shaft 282 is directly welded on the chassis 21. superior.

The present invention is described through some embodiments, those skilled in the art know that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, the features and examples may be modified to adapt a particular situation and material to the teachings of the invention without departing from the spirit and scope of the invention. Therefore, the present invention is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the present invention.

Claims (9)

1. jacking system that is used for the right-angle steering conveyer comprises:

I) underframe,

Ii) be arranged on the said underframe erecting frame and

Iii) be arranged on the motor on the erecting frame; It is characterized in that also comprising,

Iv) horizontally set and run through the axle drive shaft of motor, the two ends of this axle drive shaft are supported on the erecting frame through bearing seat by clutch shaft bearing respectively;

V) be symmetricly set on two lifting mechanisms of axle drive shaft two ends respectively;

Vi) be supported on the lifting mechanism and also can rotate the chain frame that do dipping and heaving with said lifting mechanism; With

Vii) be separately positioned on the stable stop gear of maintenance when going up and down that is used for of the underframe left and right sides, an end of said stop gear is connected on the underframe, and the other end is connected on the chain frame.

2. according to the jacking system of claim 1, it is characterized in that described axle drive shaft comprises two first axle drive shaft and second axle drive shafts that are provided with one heart, and their end is connected to the left and right sides of said motor.

3. according to the jacking system of claim 1, it is characterized in that described two lifting mechanisms are to be made up of second bearing on the eccentric shaft that is configured in the axle drive shaft two ends respectively.

4. according to the jacking system of claim 1, it is characterized in that described two lifting mechanisms are to be made up of the cam that is configured in the axle drive shaft two ends respectively.

5. according to the jacking system of claim 1, it is characterized in that said erecting frame is connected on the said underframe through height-adjustable screw rod.

6. according to the jacking system of claim 1, it is characterized in that described stop gear comprises first hinge axis, second hinge axis and the 3rd hinge axis; First flap is installed between said first hinge axis and the 3rd hinge axis, second flap is installed between second hinge axis and the 3rd hinge axis; The overcoat that the overcoat of said first hinge axis is welded with first connecting panel, second hinge axis is welded with second connecting panel; Said first connecting panel is connected with the chain frame, and said second connecting panel is connected with underframe.

7. according to the jacking system of claim 6, it is characterized in that every side is provided with two cover stop gears in the said jacking system left and right sides, the front end of said jacking system also is provided with a cover stop gear and is connected with underframe with the chain frame through this stop gear.

8. right-angle steering conveyer is characterized in that it comprises:

A) each described jacking system of claim 1～7;

B) vertically arrange and do the roller group of lateral transport, said roller group be arranged on underframe bonded assembly roller frame on, and height in vertical direction keeps fixing;

The chain group of c) vertically arranging and doing vertically to transmit, the chain of said chain group is sleeved on the chain frame and this chain frame is supported on the lifting mechanism;

D) chain of the roller of said roller group and chain group at interval mutually embedding arrange that and chain goes up and down to do dipping and heaving with said chain frame; With

E) engine installation of driving roller group and chain group transmission.

9. according to Claim 8 right-angle steering conveyer is characterized in that said stop gear is respectively arranged with two covers in the left and right sides of jacking system, is provided with a cover at the front end of jacking system.

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