CN210620144U

CN210620144U - Automatic receive and release supporting mechanism and fork truck equipment

Info

Publication number: CN210620144U
Application number: CN201921514569.4U
Authority: CN
Inventors: 侯天艺
Original assignee: Hangzhou Eiorobot Technology Co Ltd
Current assignee: Hangzhou Eiorobot Technology Co Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-26
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to an automatic receive and release supporting mechanism and fork truck equipment. The automatic retracting and releasing support mechanism comprises a fork arm structure and a fork arm support structure arranged on the fork arm structure; the fork arm structure comprises a fork arm base, a lifting frame arranged on the fork arm base and a fork arm top cover arranged at the top of the lifting frame; the fork arm supporting structure comprises a supporting shell arranged on the side face of the fork arm base, a supporting swing arm arranged in the supporting shell in a rotating mode, and an elastic supporting piece arranged in the supporting shell, wherein two ends of the elastic supporting piece are respectively abutted to the inner walls of the supporting swing arm and the supporting shell, one end of the supporting swing arm corresponds to the lifting frame, and the other end of the supporting swing arm is abutted to the elastic supporting piece. The utility model discloses reducible yoke structure warp, guarantees the reliability and the security that the yoke structure used and maintained.

Description

Automatic receive and release supporting mechanism and fork truck equipment

Technical Field

The utility model relates to an intelligence fork truck technical field especially relates to an automatic receive and release supporting mechanism and fork truck equipment.

Background

To heavy-duty equipment such as novel intelligent fork truck, the fork truck yoke causes the atress deformation problem of yoke easily because its structural strength's own problem when lifting heavy goods, still causes the yoke to break away from fork truck or crush scheduling problem easily when serious, can cause very big inconvenience to operation maintenance personnel, still can cause the threat to operation maintenance personnel's personal safety when serious.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides an automatic receive and release supporting mechanism and fork truck equipment, reducible yoke structure warp, guarantees the reliability and the security that yoke structure used and maintained.

In order to achieve the above object, the utility model provides a following technical scheme:

an automatic retracting and releasing support mechanism comprises a fork arm structure and a fork arm support structure arranged on the fork arm structure;

the fork arm structure comprises a fork arm base, a lifting frame arranged on the fork arm base and a fork arm top cover arranged at the top of the lifting frame;

the fork arm supporting structure comprises a supporting shell arranged on the side surface of the fork arm base, a supporting swing arm rotatably arranged in the supporting shell, and an elastic supporting piece arranged in the supporting shell, wherein two ends of the elastic supporting piece are respectively abutted against the inner walls of the supporting swing arm and the supporting shell, one end of the supporting swing arm corresponds to the lifting frame, and the other end of the supporting swing arm is abutted against the elastic supporting piece;

when the lifting frame is in a folded state, the lifting frame abuts against one end of the supporting swing arm so that the other end of the supporting swing arm is retracted into the supporting shell; when the lifting frame is in an unfolded state, the lifting frame is separated from the supporting swing arm, and the other end of the supporting swing arm extends out of the supporting shell and corresponds to the ground.

Optionally, the support swing arm includes a swing arm main body hinged to the inner side wall of the support housing, and a swing arm pressing rod structure disposed at one end of the swing arm main body and extending out of the support housing, and the swing arm pressing rod structure corresponds to the lifting frame.

Optionally, the swing arm compression bar structure comprises a connecting cross bar connected to the end of the swing arm main body and extending to the lower side of the lifting frame, and a follow-up pressure roller arranged at the end of the connecting cross bar;

the lifting frame comprises a first fork arm and a second fork arm which are hinged with each other, the first fork arm and the second fork arm are arranged between the fork arm base and the fork arm top cover, and the follow-up pinch roller corresponds to the lower side of the first fork arm or the second fork arm.

Optionally, the connecting cross bar is transversely arranged outside the supporting shell.

Optionally, the swing arm main body comprises a swing arm support rod part abutted against the end part of the elastic support part and a pressure rod part connected with the connecting cross rod, and a first included angle is formed between the pressure rod part and the swing arm support rod part.

Optionally, when the lifting frame is completely unfolded, a second included angle is formed between the swing arm support rod part and the vertical direction, and the swing arm support rod part and the elastic support part are respectively located on two sides of the vertical direction.

Optionally, two sides of the yoke base are respectively provided with one yoke support structure, and the support swing arms of the two yoke support structures respectively correspond to two sides of the lifting frame.

Optionally, the support housing is provided with a U-shaped structure.

Optionally, the elastic support is provided in a torsion spring structure.

Furthermore, the utility model also provides a fork truck equipment, include as above automatic receive and release supporting mechanism.

In the technical scheme provided by the utility model, when the lifting frame is folded on the fork arm base, the lower side of the lifting frame can tightly support one end of the supporting swing arm of the fork arm supporting structure, so that the other end of the supporting swing arm can overcome the elastic action of the elastic supporting piece and be contracted in the supporting shell, and at the moment, the supporting swing arm can not extend out of the lower part of the fork arm base; when the lifting frame is in an unfolded state, the fork arm structure can lift a heavy object, the pressure on the fork arm base is large, the lower side of the lifting frame is separated from the supporting swing arm, the other end of the supporting swing arm can stretch out of the supporting shell and the fork arm base under the elastic action of the elastic supporting piece and is correspondingly abutted to the ground, and therefore the fork arm base and the whole fork arm structure can be supported through the supporting swing arm, and the whole fork arm structure is more stable and reliable. Like this, can solve the yoke base deformation problem that the yoke structure takes place in heavy load lifting, reduce the risk that the yoke structure takes place serious failure in the work. Moreover, the structure is simple and reliable, the cost is low, the function is realized passively, active power control is not required to be added, the transformation can be carried out, and the use in other occasions is convenient.

Drawings

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

Fig. 1 is a schematic block diagram of a front view structure of an automatic retracting and releasing support mechanism (when a fork arm support structure is retracted) according to an embodiment of the present invention;

FIG. 2 is an enlarged, fragmentary, schematic structural view of a portion of the yoke support structure of FIG. 1;

fig. 3 is a schematic diagram of a front view structure of an automatic retracting and releasing support mechanism (when a fork arm support structure is extended) according to an embodiment of the present invention;

FIG. 4 is an enlarged, fragmentary, schematic structural view of the yoke support structure portion of FIG. 3;

fig. 5 is a schematic sketch of a three-dimensional structure of a yoke support structure (when retracted) of the automatic retracting and releasing support mechanism according to the embodiment of the present invention;

FIG. 6 is a schematic longitudinal sectional view of FIG. 5;

fig. 7 is a schematic sketch of a three-dimensional structure of a fork arm supporting structure (when extended) of the automatic retracting and releasing supporting mechanism according to the embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Fork arm structure	110	Fork arm base
120	Fork arm top cover	130	Lifting frame
				132	First yoke	134	Second fork arm
136	Pushing and lifting rod structure	200	Fork arm supporting structure
				210	Support shell	212	Accommodating tank
220	Swing arm main body	230	Swing arm pressure bar structure
				240	Elastic support

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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, if directional indications (such as upper, lower, left, right, front, back, top and bottom … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

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

As shown in fig. 1 to 4, the present invention provides an automatic retracting and releasing supporting mechanism, which includes a yoke structure 100 and a yoke supporting structure 200 disposed on the yoke structure 100. Through the yoke supporting structure 200 arranged on the yoke structure 100, when the yoke structure 100 lifts a heavy object, the yoke structure 100 can be supported by the yoke supporting structure 200 in an auxiliary manner, so that the yoke structure 100 is prevented from being deformed and damaged.

Specifically, the yoke structure 100 may include a yoke base 110, a lifting frame 130 disposed on the yoke base 110, and a yoke cover 120 disposed on the top of the lifting frame 130. By unfolding or folding the lifting frame 130, the top cover 120 of the yoke can be lifted or lowered, and thus, a heavy object can be lifted or lowered. Furthermore, the lifting frame 130 may include a first fork arm 132 and a second fork arm 134 hinged to each other, and a lifting rod structure 136 hinged to the first fork arm 132 or the second fork arm 134, wherein the first fork arm 132 and the second fork arm 134 are disposed between the fork arm base 110 and the fork arm top cover 120, and the first fork arm 132 or the second fork arm 134 may be lifted or pulled down by the lifting rod structure 136, so that the first fork arm 132 and the second fork arm 134 are unfolded or folded.

Furthermore, as shown in fig. 5 to 7, the yoke support structure 200 may include a support housing 210 disposed on a side of the yoke base 110, a support swing arm rotatably disposed in the support housing 210, and an elastic support 240 disposed in the support housing, wherein two ends of the elastic support 240 respectively abut against the inner walls of the support swing arm and the support housing 210, one end of the support swing arm corresponds to the lifting frame 130, and the other end abuts against the elastic support 240. Moreover, when the lifting frame 130 (the first fork arm 132 and the second fork arm 134) is in the folded state, the lifting frame 130 (the first fork arm 132 or the second fork arm 134) abuts against one end of the supporting swing arm so that the other end of the supporting swing arm is retracted in the supporting housing 210; when the lifting frame 130 (the first fork arm 132 and the second fork arm 134) is in the unfolded state, the lifting frame 130 (the first fork arm 132 or the second fork arm 134) is separated from the supporting swing arm, and the other end of the supporting swing arm extends out of the supporting housing 210 and corresponds to the ground.

Thus, when the lifting frame 130 is folded on the fork arm base, the lower side of the lifting frame 130 (the first fork arm 132 or the second fork arm 134) will abut against one end of the supporting swing arm of the fork arm supporting structure 200, so that the other end of the supporting swing arm will be retracted into the supporting housing 210 against the elastic force of the elastic supporting member 240, and at this time, the supporting swing arm will not extend to the lower side of the fork arm base 110; when the lifting frame 130 (the first yoke 132 and the second yoke 134) is in the unfolded state, the yoke structure 100 lifts a heavy object, the pressure applied to the yoke base 110 is large, at this time, the lower side of the lifting frame 130 (the first yoke 132 and the second yoke 134) is separated from the supporting swing arm, and the other end of the supporting swing arm extends out of the supporting housing 210 and the yoke base 110 under the elastic action of the elastic support 240 and is correspondingly abutted against the ground, so that the yoke base 110 and the whole yoke structure 100 can be supported by the supporting swing arm, and the whole yoke structure 100 is more stable and reliable. Therefore, the problem of deformation of the yoke base 110 of the yoke structure 100 during heavy-load lifting can be solved, and the risk of serious failure of the yoke structure 100 during work is reduced. Moreover, the structure is simple and reliable, the cost is low, the function is realized passively, active power control is not required to be added, the transformation can be carried out, and the use in other occasions is convenient.

Further, the supporting swing arm may include a swing arm main body 220 hinged to the inner side wall of the supporting housing 210, and a swing arm pressing rod structure 230 disposed at one end of the swing arm main body 220 and extending out of the supporting housing 210, wherein the swing arm pressing rod structure 230 corresponds to the lifting frame 130 (the first fork arm 132 or the second fork arm 134). When the lifting frame 130 is folded, the lower side of the first fork arm 132 or the second fork arm 134 presses on the swing arm pressing rod structure 230, so that the swing arm main body 220 is retracted in the support housing 210 against the elastic force of the elastic support 240 and does not extend below the fork arm base 110; when the lifting frame 130 is unfolded, the lower side of the first fork arm 132 or the second fork arm 134 is separated from the swing arm pressing rod structure 230, so that the swing arm main body 210 swings and extends out of the support housing 210 under the elastic force of the elastic support 230 and further extends below the fork arm base 110 to support the fork arm base 110 and the fork arm structure 100.

Furthermore, the swing arm pressing rod structure 230 may include a connecting rod connected to an end of the swing arm main body 210 and extending to the lower side of the lifting frame, and a follower roller provided at an end of the connecting rod, and the follower roller corresponds to the lower side of the first fork arm 132 or the second fork arm 134. Thus, when the first prong 132 or the second prong 134 is in the folded state, the first prong 132 or the second prong 134 may press the follower roller from the lower side thereof, thereby pressing down the connecting cross bar to tilt the swing arm main body 220 upward (while compressing the elastic support 230). In this way, by providing the follow-up pressure roller protruding to the position right below the first fork arm 132 or the second fork arm 134, the swing arm pressure lever structure 230 and the support swing arm can be conveniently pressed by the follow-up pressure roller. Moreover, the connecting cross rod can be transversely arranged outside the supporting shell 210, and the connecting cross rod can be transversely arranged, so that the connecting cross rod can be transversely clamped on the outer wall of the supporting shell 210 in the process of pressing the follow-up pressing wheel or the process of freely rising the follow-up pressing wheel, the rotating angle of the supporting swing arm is limited, the rotating angle of the swing arm main body 220 is limited, excessive compression or stretching on the elastic supporting piece 230 cannot be caused, and the supporting of the swing arm main body 220 on the fork arm base 110 and the fork arm structure 100 is stable and reliable.

Moreover, the swing arm main body 220 may include a swing arm support rod portion abutting against the end of the elastic support member 230, and a pressing rod portion connecting the connecting cross rod, wherein a first included angle is formed between the pressing rod portion and the swing arm support rod portion. That is, by setting the swing arm main body 220 to a curved structure, the angle when the swing arm main body 220 rotates to the support position can be reduced, and the space occupied by the swing arm main body 220 can also be reduced so as to be accommodated in the support housing 210. Moreover, when the lifting frame 130 (the first fork arm 132 and the second fork arm 134) is completely unfolded, the swing arm support rod portion forms a second angle with the vertical direction, and the swing arm support rod portion and the elastic support 230 are respectively located at two sides of the vertical direction. When the swing arm supporting rod portion supports the yoke base 110 and the yoke structure 100, the swing arm supporting rod portion slightly inclines towards one side away from the elastic supporting member 230 and close to the swing arm pressing rod structure 230, the yoke base 110 is obliquely supported, so that the swing arm main body 220 is not easily contracted into the supporting shell 210 when supporting the yoke base 110, and the supporting is more stable and reliable.

Further, in some embodiments, a yoke support structure 200 may be disposed on one side of the yoke base 110, and the support swing arm of the yoke support structure 200 may correspond to the lower side of the first yoke 132 or the second yoke 134 of the lift frame 130. That is, the yoke structure 100 can be supported from one side, and the caster provided in conjunction with the yoke base 110 of the yoke structure 100 can support the yoke structure 100 stably and reliably.

In addition, in other embodiments, one yoke support structure 200 may be disposed on each side of the yoke base 110, and the support swing arms of the two yoke support structures 200 may correspond to the first yoke 132 and the second yoke 134 on each side of the lift frame 130. That is, the yoke structure 100 can be supported from both sides, and the caster provided in combination with the yoke base 110 of the yoke structure 100 can support the yoke structure 100 more stably and reliably. Further, more yoke support structures 200 may be provided on yoke base 110, such that each yoke support structure 200 corresponds to an underside of first yoke 132 or second yoke 134.

In addition, in the present embodiment, the supporting housing 210 may be a U-shaped structure. That is, the support housing 210 may include a rectangular support block body, and a three-sided opening 212 is formed on the support block body, so that the support housing 210 is formed in a U-shaped structure. In this way, the support swing arm is conveniently hinged on the inner side wall of the support block body, and the swing arm main body 220 of the support swing arm is positioned in the accommodating groove 212 of the support block body; the swing arm pressing rod structure 230 can be located outside the receiving groove 212, and the connecting cross rod is transversely arranged on the outer side surface of the support block. In addition, the elastic supporting member 230 may be a torsion spring structure. The center of the torsion spring structure is arranged on the inner side wall of the support block body and is positioned in the accommodating groove 212, one end of the torsion spring structure is abutted on the inner top wall of the support block body, and the other end of the torsion spring structure is abutted on one side of the swing arm main body.

Furthermore, the utility model also provides a fork truck equipment, include as above automatic receive and release supporting mechanism. Through in the yoke structure who has the function of lifting certainly, through addding yoke bearing structure, can avoid yoke structure deformation problem and a series of fork truck equipment operation problems that bring.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. An automatic retracting and releasing support mechanism is characterized by comprising a fork arm structure and a fork arm support structure arranged on the fork arm structure;

2. The automatic retracting and releasing support mechanism according to claim 1, wherein the support swing arm comprises a swing arm main body hinged to the inner side wall of the support housing, and a swing arm pressing rod structure arranged at one end of the swing arm main body and extending out of the support housing, and the swing arm pressing rod structure corresponds to the lifting frame.

3. The automatic retracting and releasing support mechanism according to claim 2, wherein the swing arm pressure lever structure comprises a connecting cross rod connected to the end of the swing arm main body and extending to the lower side of the lifting frame, and a follow-up pressure wheel arranged at the end of the connecting cross rod;

4. The automatic retracting and releasing support mechanism according to claim 3, wherein the connecting cross bar is transversely arranged outside the support housing.

5. The automatic retracting and releasing support mechanism according to claim 3, wherein the swing arm main body comprises a swing arm support rod part abutting against the end of the elastic support member and a pressure rod part connected with the connecting cross rod, and a first included angle is formed between the pressure rod part and the swing arm support rod part.

6. The automatic retracting and releasing support mechanism according to claim 5, wherein when the lifting frame is fully unfolded, a second included angle is formed between the swing arm support rod part and the vertical direction, and the swing arm support rod part and the elastic support part are respectively positioned at two sides of the vertical direction.

7. The automatic retracting and releasing support mechanism according to any one of claims 1 to 6, wherein one of the two fork arm support structures is respectively arranged on two sides of the fork arm base, and the support swing arms of the two fork arm support structures respectively correspond to two sides of the lifting frame.

8. The automatic retracting and extending support mechanism according to any one of claims 1 to 6, wherein the support housing is provided with a U-shaped structure.

9. The automatic retracting and extending support mechanism according to any one of claims 1 to 6, wherein the elastic support member is provided in a torsion spring structure.

10. A forklift device comprising an automatic retracting support mechanism according to any one of claims 1 to 9.