CN218371520U - Conveying device - Google Patents

Abstract

The embodiment of the application provides a handling device, including automobile body, flexible arm and be connected to the automobile body with the telescopic machanism of flexible arm. When the telescopic arm extends or retracts relative to the vehicle body, the telescopic mechanism extends or shortens. The vehicle body includes a mounting portion. The telescopic mechanism comprises a limiting piece. The limiting part is rotatably arranged on the mounting part. The in-process that telescopic boom stretches out, when meetting the unevenness road surface and lead to telescopic boom to reciprocate, the locating part winds the installation department rotates, prevents to exert the power on telescopic mechanism and leads to telescopic mechanism fracture, protects telescopic mechanism effectively.

Description

Conveying device

Technical Field

The application relates to the technical field of automatic guide transportation, in particular to a carrying device.

Background

A conventional carrying device generally includes a vehicle body and a telescopic arm provided on the vehicle body. The telescopic arm comprises an arm body, a lifting mechanism and a roller, wherein the lifting mechanism and the roller are arranged on the arm body. The telescopic arm can extend out of the vehicle body to lift the cargo by the lifting mechanism. The vehicle body transports the cargo to a destination. The telescopic arm is connected with the vehicle body through a telescopic mechanism. The telescopic arm is provided with a roller. When the telescopic arm extends out, the roller rotates to increase the smoothness of the telescopic arm when extending out. When the road surface jolts, the telescopic arm moves up and down, and the telescopic mechanism is easily damaged.

SUMMERY OF THE UTILITY MODEL

The application provides a but protect telescopic machanism's handling device.

In order to achieve the above purpose, the technical solution proposed by the present application is as follows:

the embodiment of the application provides a handling device, including automobile body, flexible arm and be connected to the automobile body with the telescopic machanism of flexible arm. The telescopic boom is relative when the automobile body stretches out or retracts, telescopic machanism extension or shortening, the automobile body includes the installation department, telescopic machanism includes the locating part, the locating part rotationally set up in the installation department.

Optionally, the mounting portion is provided with a sliding slot, at least part of the limiting member is accommodated in the sliding slot, and the limiting member can move up and down along the sliding slot.

Optionally, the telescopic arm comprises a bottom plate, a roller and a lifting mechanism arranged on the bottom plate, and a top plate arranged on the lifting mechanism, the lifting mechanism can drive the top plate to move up and down relative to the bottom plate, the top plate is provided with a first abutting portion, the vehicle body is provided with a second abutting portion, and when the first abutting portion abuts against the second abutting portion, the lifting mechanism can drive the bottom plate and the roller to move towards the direction close to the top plate.

Optionally, the top plate is provided with a storage groove, and when the storage groove is located above the second abutting portion, the lifting mechanism drives the top plate to move downward, so that the second abutting portion is stored in the storage groove.

Optionally, the top plate is further provided with an avoiding groove, when the avoiding groove is located below the second abutting portion, the lifting mechanism drives the top plate to move upwards, so that the second abutting portion penetrates through the avoiding groove, and after the second abutting portion penetrates through the avoiding groove, the telescopic arm moves to enable the accommodating groove to be located above the second abutting portion.

Optionally, the vehicle body includes a protruding shaft, and the second abutting portion is sleeved on the protruding shaft and can rotate along the protruding shaft.

Optionally, the telescopic arm includes axial region and connecting rod, the axial region is fixed extremely the bottom plate, the gyro wheel set up to a pair of and set up respectively in the both ends of connecting rod, the connecting rod rotationally set up in the axial region, telescopic arm is relative when the automobile body stretches out along the first direction, the gyro wheel is followed the first direction rotates just the connecting rod can be relative the first direction swing, in order to drive the gyro wheel swing.

Optionally, the telescopic arm is provided with an elastic member, and the connecting rod presses the elastic member when swinging.

Optionally, the telescopic mechanism includes a first sliding part limited to the vehicle body and a second sliding part limited to the telescopic arm, and when the telescopic arm extends or retracts relative to the vehicle body, the second sliding part slides relative to the first sliding part.

Optionally, the telescopic mechanism further comprises a third sliding member, the third sliding member connects the first sliding member and the second sliding member, the third sliding member is slidable relative to the first sliding member, and the second sliding member is slidable relative to the third sliding member.

The automobile body of handling device of this application embodiment includes the installation department, and telescopic machanism includes the locating part, the locating part rotationally set up in the installation department, the in-process that telescopic boom stretches out, when meetting uneven road surface and leading to telescopic boom to reciprocate, the locating part winds the installation department rotates, prevents to apply the power on telescopic machanism and leads to telescopic machanism fracture, protects telescopic machanism effectively.

Drawings

Fig. 1 is a schematic view of a carrying device according to an embodiment of the present application, in which a telescopic arm is in a retracted state;

FIG. 2 is a view similar to FIG. 1, with the telescoping arm in an extended condition;

FIG. 3 is an enlarged view of a circled portion A of the carrying device shown in FIG. 2;

FIG. 4 is a schematic view of the telescoping arms of the handling device of FIG. 1 with the top plate in a raised condition;

FIG. 5 is a schematic view of the limiting member and the mounting member shown in FIG. 2;

FIG. 6 is an exploded view of the limiter shown in FIG. 5;

FIG. 7 is an assembled view of the rollers, links, shaft portions, elastic members and shutters of the telescopic arm shown in FIG. 2;

FIG. 8 is an exploded view of the assembled view shown in FIG. 7;

FIG. 9 is a cross-sectional schematic view of the assembled view shown in FIG. 7;

FIG. 10 is a schematic view of a first abutment portion of the vehicle body shown in FIG. 2;

fig. 11 is a schematic view of a positional relationship between a first abutting portion of a telescopic arm and a second abutting portion of a vehicle body according to an embodiment of the present application, in which the second abutting portion is located below the accommodating groove;

FIG. 12 is a view similar to FIG. 11, wherein the second abutting portion is located in the receiving groove;

FIG. 13 is a view similar to FIG. 11, but with the roller disengaged from the ground;

fig. 14 is a schematic view of another embodiment of the limiting member and the mounting member shown in fig. 5.

The reference numbers illustrate: a vehicle body 1; a mounting portion 11; a chute 110; a first resisting portion 14; a second resisting portion 15; a second abutting portion 16; a protruding shaft 17; a telescopic arm 2; a fixed seat 201; a switch, 202; a base plate 22; a roller 23; a lifting mechanism 24; a lead screw assembly, 241; a lead screw 2411; a nut 2412; a top bar 242; a second motor, 243; a top plate, 25; a first abutting portion 251; a receiving groove 252; avoidance slots, 253; a guide section 254; a trigger unit 255; a shaft portion 26; a bushing, 262; a connecting rod 27; assembly holes, 270; an elastic member 28; a baffle plate 291; a base 292; a driving wheel 293; a first motor, 294; a telescoping mechanism 3; a stopper 31; a first stopper 311; a main body portion 3110; a limit shaft 3111; a rotating member 3112; a second stopper 312; a first slider, 32; a second slider 33; a third slider 34; a third resisting portion 35; a connecting member 36; and 4, the ground.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "fixed" or "disposed" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, a carrying device according to an embodiment of the present invention includes a vehicle body 1, a telescopic arm 2, and a telescopic mechanism 3 connected to the vehicle body 1 and the telescopic arm 2. When the telescopic arm 2 extends or retracts relative to the vehicle body 1, the telescopic mechanism 3 extends or shortens. The vehicle body 1 includes a mounting portion 11. The telescoping mechanism 3 includes a stopper 31. The limiting member 31 is rotatably disposed on the mounting portion 11.

In the process of extending or retracting the telescopic arm 2, when the telescopic arm 2 moves up and down due to the fact that uneven road surfaces exist, the limiting part 31 winds the mounting part 11 to rotate, the telescopic mechanism 3 is prevented from being broken due to the force applied to the telescopic mechanism 3, and the telescopic mechanism 3 is effectively protected.

The mounting portion 11 is provided with a slide groove 110. At least a part of the stopper 31 is received in the sliding groove 110.

Optionally, the limiting member 31 includes a first limiting member 311 and a second limiting member 312 fixed together. The end of the first limiting member 311 is accommodated in the sliding groove 110. The end of the second limiting member 312 is fixed to the telescopic mechanism 3.

Optionally, the first limiting member 311 includes a bearing, and the bearing is accommodated in the sliding groove 110 to increase smoothness of rotation of the first limiting member 311.

Optionally, the telescopic mechanism 3 comprises a first slide 32 constrained to the vehicle body 1 and a second slide 33 constrained to the telescopic arm 2. When the telescopic arm 2 is extended or retracted relative to the vehicle body 1, the second slider 33 slides relative to the first slider 32.

Optionally, one of the first sliding member 32 and the second sliding member 33 includes a sliding slot, and the other includes a sliding block, and the sliding block is matched with the sliding slot to slide; alternatively, the first sliding member 32 and the second sliding member 33 may include any structure capable of being slidably engaged, such that the second sliding member 33 can slide relative to the first sliding member 32.

Optionally, the telescopic mechanism 3 further comprises a third slider 34. The third slider 34 connects the first slider 32 and the second slider 33. The third slider 34 is slidable with respect to the first slider 32, and the second slider 33 is slidable with respect to the third slider 34. The third slider 34 is provided to extend the extension stroke of the telescopic arm 2 without changing the length of the carrying device.

Optionally, one of the first sliding member 32 and the third sliding member 34 includes a sliding slot, and the other includes a sliding block, and the sliding block is matched with the sliding slot to slide; alternatively, the first slider 32 and the third slider 34 may include any structure that can be slidably engaged, such that the third slider 34 can slide relative to the first slider 32.

Optionally, one of the second sliding member 33 and the third sliding member 34 includes a sliding slot, and the other includes a sliding block, and the sliding block is matched with the sliding slot to slide; alternatively, the second sliding member 33 and the third sliding member 34 may include any structure capable of being slidably engaged, so that the second sliding member 33 can slide relative to the third sliding member 34.

The number of the sliding parts is not limited in the embodiments of the present application, and the telescopic mechanism is not limited to the sliding parts and may be any structure capable of being extended and retracted.

The telescopic arm 2 further comprises a bottom plate 22, a roller 23 and a lifting mechanism 24 arranged on the bottom plate 22, and a top plate 25 arranged on the lifting mechanism 24. When the telescopic arm 2 extends out, the roller 23 is in contact with the ground 4, so that the smoothness of extension of the telescopic arm 2 is improved.

When the carrying device is used, the telescopic arm 2 extends out to the lower part of the goods, the lifting mechanism 24 drives the top plate 25 to move upwards relative to the bottom plate 22 so as to lift the goods, then the telescopic arm 2 retracts so as to drive the goods to move to the upper part of the vehicle body 1, and the vehicle body 1 moves so as to convey the goods to a destination. When the goods need to be unloaded, the telescopic arm 2 is extended, the lifting mechanism 24 drives the top plate 25 to move downwards relative to the bottom plate 22 so as to put down the goods, and then the telescopic arm 2 is retracted. The carrying device is applicable to a scene that the vehicle body 1 cannot enter the lower part of the goods.

When the carrying device is used, when the telescopic arm 2 lifts the goods, the vehicle body 1 can also move to the lower part of the goods, and then the vehicle body 1 drives the goods to move to the destination.

The vehicle body 1 further includes a first abutting portion 14 and a second abutting portion 15. The telescopic mechanism 3 includes a third abutting portion 35. When the telescopic boom 2 extends to the limit position, the third abutting part 35 abuts against the first abutting part 14 to prevent the telescopic boom 2 from further extending, and prevent the telescopic boom 2 from falling; when the telescopic boom 2 is retracted, the third abutting portion 35 abuts against the second abutting portion 15 to prevent further retraction of the telescopic boom 2.

Alternatively, the third abutment 35 may be directly or indirectly fixed to the third slider 34.

Alternatively, the first slider 32, the second slider 33, and the third slider 34 are provided as a pair. A pair of the second sliders 33 are located on both sides of the bottom plate 22.

Optionally, the telescoping mechanism 3 comprises a connecting piece 36, the connecting piece 36 is connected to the pair of third sliding pieces 34, and the third abutting portion 35 is fixed to the connecting piece 36. The connecting piece 36 is arranged to increase the strength of the telescopic mechanism 3.

Alternatively, the third abutting portion 35 may be provided integrally with the connecting member 36.

The lifting mechanism 24 includes a lead screw assembly 241 and a pair of lift pins 242. The screw assembly 241 includes a screw 2411 and a nut 2412 disposed on the screw 2411. A pair of the push rods 242 are hinged together to form a scissors-like structure. The top ends of the pair of top rods 242 are hinged to the top plate 25, the bottom end of one of the top rods 242 is hinged to the bottom plate 22, and the bottom end of the other top rod 242 is hinged to the nut 2412.

The lifting mechanism 24 further includes a second motor 243 to drive the screw 2411 to rotate so as to drive the nut 2412 to move, so as to drive the top ends of the pair of rods 242 to rotate in a direction approaching or separating from each other, so as to drive the top plate 25 or the bottom plate 22 to move in an up-and-down direction.

Referring to fig. 7 to 9, the telescopic arm 2 further includes a shaft portion 26 and a link 27. The shaft portion 26 is fixed to the bottom plate 22. The rollers 23 are provided in a pair and are respectively provided at both ends of the connecting rod 27. The link 27 is rotatably provided to the shaft portion 26. Telescopic boom 2 is relative when automobile body 1 stretches out along the first direction, gyro wheel 23 is followed the first direction rotates just connecting rod 27 can be relative the first direction swing, in order to drive gyro wheel 23 swings, in order to rectify gyro wheel 23's rolling direction reduces the guide resistance, ensures telescopic boom 2 and stretches out the smoothness nature.

The shaft 26 may be directly fixed to the base plate 22 or indirectly fixed to the base plate 22.

The connecting rod 27 is provided with an assembling hole 270, and at least a part of the shaft portion 26 is positioned in the assembling hole 270. The assembling hole 270 may be a through hole or a blind hole.

The telescopic arm 2 is further provided with a spring 28. The link 27 presses the elastic member 28 when swinging. The elastic force of the elastic member 28 abuts against the link 27, so that the roller 23 is centered. When the compression amount of the elastic member 28 reaches a limit, the maximum steering angle of the link 27 and the roller 23 is limited.

The elastic member 28 is resilient when subjected to a force, and may be, for example, a spring or a sponge block or rubber.

The telescopic arm 2 further comprises a baffle 291. At least a portion of the elastic member 28 is located between the link 27 and the retainer 291. The blocking plate 291 is located in front of the link 27 in the extending direction of the telescopic arm 2. The telescopic arm 2 further comprises a base 292. The base 292 is fixed to the base plate 22. The shaft 26 and the retainer 291 are fixed to the base 292 by, for example, screws.

The baffle 291 may be directly fixed to the shaft 26 or the baffle 291 and the shaft 26 may be fixed to the bottom plate 22, respectively.

The telescopic arm 2 further includes a bushing 262 sleeved on the shaft 26. The bushing 262 is located between the shaft 26 and the link 27 to prevent the link 27 and the shaft 26 from being worn when the link 27 swings.

The telescopic arm 2 further includes a driving wheel 293 and a first motor 294. The first motor 294 drives the driving wheel 293 to rotate, so as to drive the telescopic arm 2 to extend and retract. The driving wheel 293 is located in front of the roller 23 in the extending direction of the telescopic arm 2.

Referring to fig. 10 to 13, the top plate 25 is provided with a first abutting portion 251. The vehicle body 1 is provided with a second abutting portion 16. When the first abutting portion 251 abuts against the second abutting portion 16, the top plate 25 is not moved, and at this time, the top ends of the pair of push rods 242 of the lifting mechanism 24 move in the direction away from each other, so as to drive the bottom plate 22 and the roller 23 to move in the direction close to the top plate 25, so that the roller 23 is separated from the contact with the ground 4.

The carrying device of the embodiment of the application is characterized in that the first supporting portion 251 and the second supporting portion 16 are used for supporting, the lifting mechanism 24 drives the bottom plate 22 and the roller 23 to move towards the direction close to the top plate 25, so that the roller 23 is separated from the ground 4, a roller retracting structure is not needed to be additionally arranged, the carrying device is simple in structure, and the cost is saved.

The first limiting member 311 can move up and down along the sliding slot 110. Before the vehicle body 1 moves, the rollers 23 are separated from the ground, so that the friction resistance between the carrying device and the ground 4 is reduced, and the carrying device is more convenient to walk. In the process of the roller 23 being separated from the ground, the bottom plate 22 moves upward relative to the vehicle body 1 to drive the first limiting member 311 to move upward along the sliding groove 110.

Before the telescopic arm 2 extends, the bottom plate 22 moves downward relative to the vehicle body 1, and drives the first limiting member 311 to move downward along the sliding slot 110, so that the roller 23 contacts with the ground 4.

The top plate 25 is provided with a receiving groove 252. When the receiving groove 252 is located above the second abutting portion 16, the lifting mechanism 24 drives the top plate 25 to move downward, so that the second abutting portion 16 is received in the receiving groove 252, and the telescopic arm 2 is prevented from moving when the roller 23 is lifted.

The top plate 25 is further provided with an avoidance groove 253. Along the extending direction of the telescopic arm 2, the avoiding groove 253 is located behind the accommodating groove 252. When the telescopic arm 2 retracts after the goods are put down, the second butting part 16 is located above the avoiding groove 253. At this time, the lifting mechanism 24 drives the top plate 25 to move upward, so that the second abutting portion 16 passes through the avoiding groove 253 and is located below the avoiding groove 253. At this time, the telescopic arm 2 retracts to move the accommodating groove 252 to the upper side of the second abutting portion 16. At this time, the lifting mechanism 24 drives the top plate 25 to move downward, so that the second abutting portion 16 is accommodated in the accommodating groove 252. At this time, the second abutting portion 16 abuts against the first abutting portion 251, and the lifting mechanism 24 drives the bottom plate 22 and the roller 23 to move toward the top plate 25, so that the roller 23 is separated from the ground 4.

The vehicle body 1 further comprises a protruding shaft 17. The second abutting portion 16 is sleeved on the protruding shaft 17 and can rotate along the protruding shaft 17, so as to reduce the abrasion between the second abutting portion 16 and the top plate 25.

Optionally, the second abutting portion 16 includes a bearing to increase smoothness of rotation.

The top plate 25 is provided with an arc-shaped guiding portion 254 for guiding the second abutting portion 16 into the receiving groove 252. The guide portion 254 encloses the receiving groove 252.

The telescopic arm 2 further includes a fixing base 201 fixed to the bottom plate 22, a switch 202 disposed on the fixing base 201, and a trigger 255 disposed on the top plate 25. The second abutting portion 16 abuts against the first abutting portion 251, the lifting mechanism 24 drives the bottom plate 22 and the roller 23 to move towards the direction close to the top plate 25, so that the roller 23 is separated from the ground 4, in this process, when the trigger portion 255 triggers the switch 202, the second motor 243 is controlled to stop working, and the bottom plate 22 and the roller 23 stop moving upwards, so as to complete the operation of separating the roller 23 from the ground 4.

The switch 202 includes a trigger switch or a sensor, etc.

Alternatively, the second abutting portion 16 and the first abutting portion 251 may be provided in one or more.

Alternatively, a plurality of the first abutting portions 251 may be disposed on one side or two opposite sides of the telescopic arm 2.

Alternatively, one or more telescopic arms 2 may be provided.

Referring to fig. 14, in another embodiment, the first limiting member 311 includes a body 3110, a limiting shaft 3111 extending from the body 3110, and a rotating member 3112 rotatably disposed on the limiting shaft 3111. The rotating member 3112 is disposed in the sliding slot 110 and can move up and down along the sliding slot 110. The limiting shaft 3111 is fixed to the second limiting member 312. The main body portion 3110 and the second limiting member 312 are located on two opposite sides of the sliding slot 110.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.

Claims (10)

1. The utility model provides a handling device, its characterized in that, includes automobile body, flexible arm and is connected to the automobile body with the telescopic machanism of flexible arm, flexible arm is relative when the automobile body stretches out or retracts, telescopic machanism extension or shortening, the automobile body includes the installation department, telescopic machanism includes the locating part, the locating part rotationally set up in the installation department.

2. The carrying device as claimed in claim 1, wherein the mounting portion is provided with a sliding slot, at least a portion of the position-limiting member is received in the sliding slot, and the position-limiting member can move up and down along the sliding slot.

3. The carrying device as claimed in claim 2, wherein the telescopic arm includes a bottom plate, a roller and a lifting mechanism disposed on the bottom plate, and a top plate disposed on the lifting mechanism, the lifting mechanism can drive the top plate to move up and down relative to the bottom plate, the top plate has a first abutting portion, the vehicle body has a second abutting portion, and when the first abutting portion abuts against the second abutting portion, the lifting mechanism can drive the bottom plate and the roller to move toward a direction close to the top plate.

4. The carrying device as claimed in claim 3, wherein the top plate has a receiving slot, and when the receiving slot is located above the second abutting portion, the lifting mechanism drives the top plate to move downward, so that the second abutting portion is received in the receiving slot.

5. The carrying device as claimed in claim 4, wherein the top plate further has an avoiding slot, and when the avoiding slot is located below the second abutting portion, the lifting mechanism drives the top plate to move upward, so that the second abutting portion passes through the avoiding slot, and after the second abutting portion passes through the avoiding slot, the telescopic arm moves, so that the accommodating slot is located above the second abutting portion.

6. The carrying device as claimed in claim 5, wherein the vehicle body includes a protruding shaft, and the second abutting portion is sleeved on the protruding shaft and can rotate along the protruding shaft.

7. The carrying device as claimed in claim 3, wherein the telescopic arm includes a shaft portion and a connecting rod, the shaft portion is fixed to the bottom plate, the rollers are provided in a pair and are respectively provided at two ends of the connecting rod, the connecting rod is rotatably provided at the shaft portion, when the telescopic arm extends in a first direction relative to the vehicle body, the rollers rotate in the first direction and the connecting rod can swing in the first direction, so as to drive the rollers to swing.

8. The handling device according to claim 7, characterised in that the telescopic arm is provided with a spring, which the link presses when swinging.

9. The carrying device as claimed in any one of claims 1 to 8, wherein the telescopic mechanism comprises a first slide constrained to the vehicle body and a second slide constrained to the telescopic arm, the second slide sliding relative to the first slide when the telescopic arm is extended or retracted relative to the vehicle body.

10. The handling device of claim 9, wherein the telescoping mechanism further comprises a third slide connecting the first slide and the second slide, the third slide being slidable relative to the first slide and the second slide being slidable relative to the third slide.

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