CN211731635U

CN211731635U - AGV vertical steering wheel shock-absorbing structure

Info

Publication number: CN211731635U
Application number: CN201922180765.9U
Authority: CN
Inventors: 刘勉
Original assignee: Huaxiao Precision Suzhou Co ltd
Current assignee: Huaxiao Precision Suzhou Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-10-23
Anticipated expiration: 2029-12-06

Abstract

The utility model provides a vertical helm shock-absorbing structure of AGV belongs to AGV transportation technical field, include: the steering wheel mounting plate is suitable for mounting a steering wheel; the bottom end of the fixed mounting frame is rotatably connected with one end part of the steering wheel mounting plate through a rotating shaft, and the side surface of the fixed mounting frame is suitable for being fixedly connected with an AGV body; and one end of the damping component is hinged on the steering wheel mounting plate, and the other end of the damping component is hinged on the top of the fixed mounting frame. The fixing mounting frame of the utility model is suitable for being fixedly connected with the AGV body through the side surface, the structure layout is compact, the occupied bottom space of the AGV body is smaller, and the fixing mounting frame can adapt to smaller AGV models such as forklift type, pallet carrying type and the like; in addition, the steering wheel mounting plate is rotatably connected with the fixed mounting frame, so that the steering wheel mounting plate can freely swing according to different road conditions, and the phenomenon that the steering wheel mounting plate is blocked is prevented.

Description

AGV vertical steering wheel shock-absorbing structure

Technical Field

The utility model relates to a AGV transportation technical field, concretely relates to vertical helm shock-absorbing structure of AGV.

Background

AGVs (automated Guided vehicles), also known as automated Guided vehicles, can replace workers to transport materials and complete material transport and transfer between stations and warehouses. The AGV travelling mechanism comprises a steering wheel and universal wheels, the steering wheel and the universal wheels bear the load together, and meanwhile the steering wheel controls the travelling route of the AGV.

AGV has because of ground quality can not land the easy unsettled problem so that the driving is unstable of steering wheel simultaneously, so still is equipped with damper on the steering wheel, like chinese document CN208731095U AGV discloses the steering wheel damper and the transport vechicle of automated guidance transport vechicle, steering wheel damper includes: the steering wheel mounting plate is positioned right above the steering wheel; the front end of the steering wheel mounting plate is provided with a hinge assembly, and the tail end of the steering wheel mounting plate is provided with a damping assembly; the steering wheel damping mechanism is used for being installed on a bottom frame of the AGV.

The layout of the steering wheel damping mechanism is not compact enough, and the large bottom space of the AGV frame is occupied. Motorcycle types such as fork truck formula AGV or pallet transport AGV because the overall arrangement space of frame bottom is limited, foretell steering wheel damper can not satisfy the installation demand.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art because the spatial layout of AGV frame bottom is limited, and current steering wheel damper overall arrangement disperses, can not satisfy the defect of installation demand to a vertical steering wheel shock-absorbing structure of AGV that the overall arrangement is compact is provided.

In order to solve the technical problem, the utility model provides a vertical helm shock-absorbing structure of AGV, include:

the steering wheel mounting plate is suitable for mounting a steering wheel;

the bottom end of the fixed mounting frame is rotatably connected with one end part of the steering wheel mounting plate through a rotating shaft, and the side surface of the fixed mounting frame is suitable for being fixedly connected with an AGV body;

and one end of the damping component is hinged on the steering wheel mounting plate, and the other end of the damping component is hinged on the top of the fixed mounting frame.

Preferably, the fixing mount includes:

a top plate;

the side plates are vertically connected to two sides of the top plate, and the outer side faces of the two side plates are suitable for being connected with the AGV body;

and the fixed shaft is fixedly connected between the two side plates and is positioned in the middle of the side plates.

Preferably, the two damping assemblies are symmetrically arranged on two sides of the steering wheel mounting plate.

Preferably, the shock-absorbing assembly includes:

one end of the first connecting seat is provided with a connecting through hole, the other end of the first connecting seat is vertically connected with an accommodating shaft sleeve, and a through hole is formed in the center of the accommodating shaft sleeve;

one end of the second connecting seat is provided with a connecting through hole, the other end of the second connecting seat is vertically connected with an embedding shaft, and the embedding shaft is slidably embedded into the through hole of the accommodating shaft sleeve;

and the damping spring is sleeved on the accommodating shaft sleeve and the embedded shaft, one end of the damping spring is connected to the first connecting seat, and the other end of the damping spring is connected to the second connecting seat.

As a preferred scheme, the outer wall of the accommodating shaft sleeve is provided with threads, the accommodating shaft sleeve is connected with the adjusting nut through the threads, and the damping spring is connected to the adjusting nut.

Preferably, the guide sleeve is sleeved on the outer wall of the embedded shaft next to the free end of the embedded shaft.

Preferably, the through hole of the accommodating shaft sleeve is a stepped hole, the stepped hole is provided with a first stepped hole and a second stepped hole, the first stepped hole is arranged close to the free end of the accommodating shaft sleeve, and the second stepped hole extends to the fixed end of the accommodating shaft sleeve close to the first stepped hole; the inner diameter of the first step hole is smaller than the outer diameter of the guide sleeve, and the inner diameter of the second step hole is larger than the outer diameter of the guide sleeve.

Preferably, the steering wheel steering device further comprises two bearings with seats, the two bearings with seats are respectively vertically connected to the bottom surface of the steering wheel mounting plate, and the rotating shaft is arranged between the two bearings with seats in a penetrating mode.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a AGV vertical helm damping structure, the bottom of fixed mounting bracket is connected with an end of helm mounting panel through the pivot is rotated, the helm mounting panel can freely swing according to different road conditions, prevent the appearance of helm mounting panel card dead phenomenon; one end of the damping component is hinged to the steering wheel mounting plate, and the other end of the damping component is hinged to the top of the fixed mounting frame; the side of fixed mounting frame is suitable for with AGV automobile body fixed connection, and structural configuration is compact, and the bottom space of the AGV automobile body that occupies is less, can adapt to fork truck formula AGV and pallet transport AGV's motorcycle type.

2. The utility model provides a vertical helm shock-absorbing structure of AGV, fixed axle link firmly between the middle part of two curb plates, can strengthen the bulk rigidity of fixed mounting bracket.

3. The utility model provides a vertical helm shock-absorbing structure of AGV, two sets of damper symmetry locate the both sides of helm mounting panel, and balanced shock attenuation prevents the left and right sides incline of fixed mounting bracket.

4. The utility model provides a vertical helm shock-absorbing structure of AGV holds the nested setting of axle sleeve and embedding axle, makes damping spring can follow sharp flexible.

5. The utility model provides a vertical helm shock-absorbing structure of AGV holds axle sleeve and passes through threaded connection with adjusting nut, adjusting nut can carry out length adjustment to damping spring.

6. The utility model provides a vertical helm shock-absorbing structure of AGV, uide bushing establish at the embedding axle, prevent that the embedding axle from appearing rocking when holding the axle sleeve and slide.

7. The utility model provides a vertical helm shock-absorbing structure of AGV holds the internal diameter in the first order hole of the accommodation hole of axle sleeve and is less than the external diameter of uide bushing, can prevent to hold breaking away from of axle sleeve and embedding axle.

8. The utility model provides a vertical helm shock-absorbing structure of AGV is connected with the pivot through the rolling bearing, reduces the friction of rotating.

Drawings

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

Fig. 1 is the utility model provides a vertical rudder wheel shock-absorbing structure's of AGV three-dimensional structure sketch map.

Figure 2 is a front view of the shock absorbing assembly.

Fig. 3 is a schematic sectional view in the direction a-a of fig. 2.

Fig. 4 is an enlarged schematic view of the region B in fig. 3.

Fig. 5 is an enlarged schematic view of the region C in fig. 3.

Description of reference numerals:

1.a steering wheel mounting plate; 2. a top plate; 3. a side plate; 4. a fixed shaft; 5. a shock absorbing assembly; 6. a steering wheel; 7. connecting blocks; 8. a shock-absorbing mounting plate; 9. a first connecting plate; 10. a second connecting plate; 11. a housing sleeve; 12. an embedded shaft; 13. a damping spring; 14. a connecting pad; 15. adjusting the nut; 16. a guide sleeve; 17. a retainer ring; 18. a first stepped hole; 19. a second-step hole; 20. a pedestal bearing; 21. a through hole; 22. a rotating shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

This embodiment provides a vertical helm shock-absorbing structure of AGV includes: steering wheel mounting panel 1, fixed mounting frame and damper assembly 5.

As shown in fig. 1, the fixing mount includes: a top plate 2, a side plate 3 and a fixed shaft 4; the side plates 3 are two and are vertically connected to two side edges of the top plate 2; the side surface of the side plate 3 is provided with a mounting hole, and the side plate is connected to the bottom of the AGV body through the mounting hole; the fixed shaft 4 is connected between the middle parts of the two side plates 3, so that the overall rigidity of the fixed mounting frame is enhanced. Install steering wheel mounting panel 1 directly over steering wheel 6, the left and right sides symmetry of 1 rear end bottom of steering wheel mounting panel is installed and is taken seat bearing 20, and the pivot passes two take seat bearing 20 with fixed mounting bracket's two curb plates 3 bottom fixed connection, steering wheel mounting panel 1 can wind pivot 22 luffing motion. The lateral surface of the fixed mounting frame is fixedly connected with the AGV body, so that the structural layout is compact, the occupied bottom space of the AGV body is small, the AGV body can adapt to the types of forklifts AGV and pallets for carrying the AGV, and the pressure of the AGV body on the fixed mounting frame is reduced due to the lateral surface fixation; the steering wheel mounting plate 1 is rotatably connected with the fixed mounting frame, can freely swing according to different road conditions, and prevents the steering wheel mounting plate 1 from being stuck.

As shown in fig. 1, two groups of connecting blocks 7 are symmetrically arranged on the front side surface of the top plate 2 of the fixed mounting frame; damping mounting plates 8 are symmetrically mounted on the left side and the right side of the steering wheel mounting plate 1, and the two groups of damping mounting plates 8 correspond to the two groups of connecting blocks 7 one by one; the shock absorption components 5 are provided with two groups, and the two groups of shock absorption components 5 are hinged between the shock absorption mounting plate 8 and the connecting block 7 through pin shafts respectively.

As shown in fig. 2 and 3, the damper assembly 5 includes: the connecting device comprises a first connecting seat, a second connecting seat, an accommodating shaft sleeve 11, an embedded shaft 12 and a damping spring 13; one end of the first connecting seat is provided with a connecting through hole, a pin shaft is hinged with the connecting block 7 on the top plate 2 through the connecting through hole, the other end of the first connecting seat is vertically connected with the accommodating shaft sleeve 11, the center of the accommodating shaft sleeve 11 is provided with a through hole 21, and the outer wall of the accommodating shaft sleeve 11 is provided with threads; one end of the second connecting seat is provided with a connecting through hole, a pin shaft is hinged with the damping mounting plate 8 through the connecting through hole, the other end of the second connecting seat is vertically connected with the embedded shaft 12, and the free end of the embedded shaft 12 can slidably extend into the through hole 21 of the accommodating shaft sleeve 11; one end of a damping spring 13 is sleeved on the embedded shaft 12 and fixed on a connecting pad 14, and the connecting pad 14 is fixedly connected with the end part of the first connecting seat; damping spring 13's other pot head is in hold on the axle sleeve 11, and fix at adjusting nut 15, adjusting nut 15 passes through threaded connection and is in hold on the outer wall of axle sleeve 11, adjusting nut 15 adjusts through the regulation and the position relation who holds axle sleeve 11 damping spring 13's length.

As shown in fig. 3 and 4, a guide sleeve 16 is connected to the outer wall of the embedded shaft 12 adjacent to the free end of the embedded shaft 12, and a retainer ring 17 is connected to the free end of the embedded shaft 12, wherein the retainer ring 17 prevents the guide sleeve 16 from being separated from the embedded shaft 12.

As shown in fig. 3 and 5, the through hole 21 of the receiving sleeve 11 is a stepped hole having a first step hole 18 and a second step hole 19, the first step hole 18 is disposed adjacent to the free end of the receiving sleeve 11, and the second step hole 19 extends to the fixed end of the receiving sleeve 11 adjacent to the first step hole 18; the first stepped hole 18 has an inner diameter smaller than the outer diameter of the guide sleeve 16, and the second stepped hole 19 has an inner diameter larger than the outer diameter of the guide sleeve 16, so that the insertion shaft 12 is prevented from being removed from the through hole 21.

The working principle is as follows:

the AGV vertical steering wheel damping structure is fixed at the bottom of the AGV body through the side surfaces of the two side plates of the fixed mounting frame; the steering wheel 6 is jacked upwards when meeting the bulge, the steering wheel mounting plate 1 is driven to rotate upwards around the rotating shaft 22, and meanwhile, the damping spring 13 contracts upwards; the steering wheel 6 is sunk downwards when meeting the pit, the steering wheel mounting plate 1 is driven to rotate downwards around the rotating shaft 22, and meanwhile, the damping spring 13 is stretched downwards.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

Vertical helm shock-absorbing structure of AGV, its characterized in that includes:

a steering wheel mounting plate (1) adapted to mount a steering wheel (6);

the bottom end of the fixed mounting frame is rotatably connected with one end part of the steering wheel mounting plate (1) through a rotating shaft (22), and the side surface of the fixed mounting frame is suitable for being fixedly connected with an AGV body;

and one end of the damping component (5) is hinged to the steering wheel mounting plate (1), and the other end of the damping component is hinged to the top of the fixed mounting frame.
2. The AGV vertical rudder wheel damping structure according to claim 1, wherein the fixed mount includes:

a top plate (2);

the side plates (3) are vertically connected to two sides of the top plate (2), and the outer side faces of the two side plates (3) are suitable for being connected with the AGV body;

and the fixed shaft (4) is fixedly connected between the two side plates (3) and is positioned in the middle of the side plates (3).
3. AGV vertical rudder wheel damping structure according to claim 1, characterised in that the damping units (5) have two, symmetrically located on both sides of the rudder wheel mounting plate (1).
4. AGV vertical rudder wheel damping structure according to claim 1, characterised in that the damping assembly (5) comprises:

one end of the first connecting seat is provided with a connecting through hole, the other end of the first connecting seat is vertically connected with an accommodating shaft sleeve (11), and a through hole (21) is formed in the center of the accommodating shaft sleeve (11);

one end of the second connecting seat is provided with a connecting through hole, the other end of the second connecting seat is vertically connected with an embedded shaft (12), and the embedded shaft (12) can be slidably embedded into the through hole (21) of the accommodating shaft sleeve (11);

and the damping spring (13) is sleeved on the accommodating shaft sleeve (11) and the embedded shaft (12), one end of the damping spring is connected to the first connecting seat, and the other end of the damping spring is connected to the second connecting seat.
5. AGV vertical rudder wheel damping structure according to claim 4, characterised in that the outer wall of the containing shaft sleeve (11) is provided with a thread, the containing shaft sleeve (11) is connected with an adjusting nut (15) through the thread, and the damping spring (13) is connected on the adjusting nut (15).
6. AGV vertical tiller wheel damping structure according to claim 4, further comprising a guide sleeve (16) sleeved on the outer wall of the embedded shaft (12) next to the free end of the embedded shaft (12).
7. AGV vertical rudder wheel damping structure according to claim 6, characterised in that the through hole (21) of the receiving bushing (11) is a stepped hole having a first step hole (18) and a second step hole (19), the first step hole (18) being located next to the free end of the receiving bushing (11), the second step hole (19) extending next to the first step hole (18) to the fixed end of the receiving bushing (11); the inner diameter of the first step hole (18) is smaller than the outer diameter of the guide sleeve (16), and the inner diameter of the second step hole (19) is larger than the outer diameter of the guide sleeve (16).
8. AGV vertical rudder wheel damping structure according to claim 1, characterised in that it further comprises two pedestal bearings (20) vertically attached to the bottom surface of the rudder wheel mounting plate (1), respectively, and the rotation shaft is penetratingly provided between the two pedestal bearings (20).