CN211420793U

CN211420793U - Road maintenance vehicle and seat rotating mechanism thereof

Info

Publication number: CN211420793U
Application number: CN201921908482.5U
Authority: CN
Inventors: 张青梅; 燕铎; 张江勇; 陆平; 理俊杰; 郭荣东; 成九瑞; 樊丽丽; 李骁斐
Original assignee: Jiangsu Jicui Road Engineering Technology And Equipment Research Institute Co ltd
Current assignee: Jiangsu Jicui Road Engineering Technology And Equipment Research Institute Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-09-04
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a road maintenance vehicle and a seat rotating mechanism thereof, which comprises a support and a seat rotating bracket; the support is movably provided with a rotating shaft along the vertical direction; the seat rotating bracket is fixedly connected with the rotating shaft and can rotate relative to the support by taking the rotating shaft as a central shaft; a seat for mounting a seat is arranged on the seat rotating bracket; the bottom surface of the seat rotating bracket is also provided with a ladder guide rail frame used for accommodating and installing the ladder assembly. The seat is fixed on the seat of the seat rotating support, the rotating mechanism can not be rotated when people pass in and out, the door lock in the door component is directly opened to realize the opening and closing of the door, and therefore people can conveniently pass in and out to operate the equipment.

Description

Road maintenance vehicle and seat rotating mechanism thereof

Technical Field

The utility model belongs to the technical field of engineering machine tool, a road maintenance car and seat rotary mechanism thereof is related to.

Background

The width of the whole vehicle is limited by the road running vehicle, and the engineering mechanical vehicle in the vehicle transportation process meets the width requirement specified by the national standard. Within the range of the specified vehicle width, the engineering machinery vehicle is difficult to meet the required sight range during the operation process, so the vehicle is provided with a seat on a rotating mechanism which can be rotated out. The seat is directly arranged on the vehicle door of the traditional vehicle, and the vehicle door with the seat is inconvenient for people to get on or off the vehicle because the vehicle body has a certain height.

Because the wheels are installed on the rack below the rotating mechanism, the wheels need to rotate and turn, and when the space structure exists, the passengers can get on or off the rack without installing ladders on two sides of the rack, so that the passengers get on or off the rack are in a problem.

Therefore, it is desirable to provide a seat rotating mechanism for a construction machine vehicle, which can facilitate the entry and exit of a person for the operation of equipment.

SUMMERY OF THE UTILITY MODEL

The purpose is as follows: in order to overcome the defects existing in the prior art, the utility model provides a road maintenance vehicle and seat rotating mechanism thereof.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme does:

in a first aspect, a seat rotating mechanism is provided, which comprises a support and a seat rotating bracket;

the support is movably provided with a rotating shaft along the vertical direction;

the seat rotating bracket is fixedly connected with the rotating shaft and can rotate relative to the support by taking the rotating shaft as a central shaft;

the seat rotating bracket is provided with a seat for mounting a seat;

the bottom surface of the seat rotating support is also provided with a ladder guide rail frame used for accommodating and installing the ladder assembly.

In some embodiments, the seat rotation bracket is further provided with a door assembly, a left armrest and a right armrest, and the left armrest and the right armrest are respectively arranged on two sides of the door assembly.

In some embodiments, the stand comprises a stand frame comprising a bottom plate and an upper plate arranged in parallel; the bottom plate is provided with a lower supporting block, and the lower supporting block is axially provided with a stepped hole for supporting the bottom end of the rotating shaft; an upper supporting block is arranged at a corresponding position on the lower side of the upper plate, and a shaft hole for installing the upper end of the rotating shaft is axially arranged at a corresponding position of the upper supporting block; the upper end and the lower end of the rotating shaft are movably arranged in the upper supporting block and the lower supporting block respectively.

In some embodiments, the seat rotation mechanism includes two or more fixing holes with equal radius distributed on the seat rotation bracket with the rotation shaft as an axis. Furthermore, the number of the fixing holes is multiple, and included angles between adjacent fixing holes and a connecting line of the axis are equal.

In some embodiments, the seat rotation mechanism further includes a positioning device, the positioning device is fixedly connected to the support and includes a positioning seat and a positioning pin; the seat is characterized in that a bolt hole is axially formed in the positioning seat, the distance between the center of the bolt hole and the center of the rotating shaft is equal to the distance between the fixing hole and the axis, the positioning pin is movably installed in the bolt hole and can move up and down along the bolt hole, and the bottom end of the positioning pin is inserted into one of the fixing holes to lock the rotating position of the seat rotating support.

Furthermore, the positioning device also comprises a U-shaped connecting piece and a spring; the lower end of the U-shaped connecting piece is connected to the positioning seat, and the upper end of the U-shaped connecting piece is horizontally arranged and is axially provided with a hole for mounting the positioning pin; the upper part of the positioning pin is arranged in a hole of the U-shaped connecting piece in a penetrating mode, and the lower part of the positioning pin is arranged in a bolt hole of the positioning seat in a penetrating mode;

the middle part of the positioning pin is radially provided with a circle of bulges, the lower end of the spring is tightly pressed on the upper end face of the bulges, and the upper end of the spring is tightly pressed on the bottom surface of the upper end of the U-shaped connecting piece and used for driving the positioning pin to move downwards through the tension of the spring.

In some embodiments, the ladder assembly includes a roller and a ladder; the utility model discloses a ladder assembly, including ladder, ladder guide rail frame, ladder one end width direction both sides are articulated respectively and are provided with the gyro wheel, be provided with on the ladder guide rail frame with gyro wheel matched with guide rail, the ladder assembly passes through gyro wheel swing joint and installs on the ladder guide rail frame, and can follow the guide rail removes, pulls out or withdraws the ladder assembly.

Furthermore, the ladder is of a foldable structure and comprises a first portion and a second portion which are hinged to each other, the end portion of the first portion is movably installed on the ladder guide rail frame through a roller, and the second portion can be overturned relative to the first portion along a hinge point to achieve folding or unfolding.

Furthermore, the guide rail is L-shaped and comprises a horizontal section and a vertical section at the tail end; the vertical section at the end of the guide rail extends upwardly to provide a space for the angle of inclination of the ladder assembly when pulled downwardly.

In some embodiments, the bottom of the support is provided with a mounting hole for connecting and mounting the whole seat rotating mechanism on a frame of the road maintenance vehicle through a bolt.

In a second aspect, a road maintenance vehicle is further provided, which comprises the seat rotating mechanism, and the seat rotating mechanism is installed on a frame of the road maintenance vehicle.

Has the advantages that: the utility model provides a road maintenance car and seat rotary mechanism thereof installs door subassembly, ladder subassembly, left and right handrails and seat on the seat swivel mount. The door assembly and the left and right armrests are fixed on the seat rotating bracket; a ladder guide rail frame is arranged on the seat rotating support, and the ladder is placed in the ladder guide rail frame in a folded state in a running state; when people get on or off the vehicle, the ladder is pulled out, drawn out along the guide rail and supported on the side wall of the rotating mechanism, and people climb on the ladder and grasp handles on two sides of the door to get on or off the vehicle. The seat is fixed on a seat of the seat rotating bracket. When people get in and out, the rotating mechanism can not be rotated, and the door lock in the door component is directly opened to realize the opening and closing of the door, so that people can conveniently get in and out. The seat rotating mechanism of the engineering machinery vehicle is used for carrying out equipment operation. The seat rotating mechanism can facilitate the entrance and exit of personnel for equipment operation.

Drawings

Fig. 1 is a schematic view of an installation position of a seat swivel mechanism of the embodiment;

FIG. 2 is a schematic structural view of a seat rotating mechanism in the embodiment;

FIG. 3 is a schematic view of the mounting of the seat and seat swivel bracket of the embodiment;

FIG. 4 is a schematic illustration of the ladder rail support and ladder assembly configuration of an embodiment;

FIG. 5 is a schematic illustration of an embodiment of a ladder assembly as it may be deployed;

in the figure: the device comprises a support 1, a right armrest 2, a seat rotating bracket 3, a rotating shaft 3-1 and a fixing hole 3-2; the device comprises a door assembly 4, a left handrail 5, a seat 6, a ladder assembly 7, a first part 7-1, a second part 7-2, rollers 7-3, a positioning device 8, a positioning seat 8-1, a positioning pin 8-2, a U-shaped connecting piece 8-3 and a spring 8-4; a supporting seat frame 9, a bottom plate 9-1 and an upper plate 9-2; an upper supporting block 10, a lower supporting block 11, a ladder guide rail frame 12, a guide rail 12-1 and a frame 13.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Example 1

As shown in fig. 1, 2 and 3, a seat rotating mechanism includes a support 1 and a seat rotating bracket 3;

the support 1 is movably provided with a rotating shaft 3-1 along the vertical direction, and the support 1 is relatively fixed on the frame 13;

the seat rotating bracket 3 is fixedly connected with the rotating shaft 3-1 and can rotate relative to the support 1 by taking the rotating shaft 3-1 as a central shaft;

the seat rotating bracket 3 is provided with a seat 6 for mounting a seat;

the underside of the seat swivel support 3 is also provided with ladder rail brackets 12 for receiving mounting ladder assemblies 7.

In some embodiments, as shown in fig. 1 and 2, the seat rotation bracket 3 is further provided with a door assembly 4, a left armrest 5, and a right armrest 2, the left armrest 5 and the right armrest 2 are respectively disposed on two sides of the door assembly 4, and the door assembly 4, the left armrest 5, and the right armrest 2 are fixed on the seat rotation bracket 3 by fixing bolts.

In some embodiments, as shown in fig. 2 and 3, the support 1 comprises a support frame 9, and the support frame 9 is a square frame structure and comprises a bottom plate 9-1 and an upper plate 9-2 which are arranged in parallel; a lower supporting block 11 is arranged on the bottom plate, and a stepped hole for supporting the bottom end of the rotating shaft 3-1 is axially arranged on the lower supporting block 11; an upper supporting block 10 is arranged at a corresponding position on the lower side of the upper plate, and a shaft hole for installing the upper end of the rotating shaft 3-1 is axially arranged at a corresponding position of the upper supporting block 10; the upper end and the lower end of the rotating shaft 3-1 are respectively and movably arranged in an upper supporting block 10 and a lower supporting block 11.

Further, the upper support block 10 and the lower support block 11 are fixed on the support frame 9 by bolts. The upper supporting block 10 is provided with a through hole, the lower supporting block 11 is provided with a stepped hole, and the rotating shaft 3-1 of the seat rotating bracket 3 is inserted into the holes of the upper and lower supporting blocks and is supported on the stepped end surface of the stepped hole of the lower supporting block 11.

In some embodiments, as shown in fig. 2 and 3, more than two fixing holes 3-2 with equal radius are distributed on the seat rotation bracket 3 by taking the rotation shaft 3-1 as an axis. The number of the fixing holes 3-2 is multiple, and included angles between adjacent fixing holes and a connecting line of the axis are equal. In this embodiment, there are three fixing holes 3-2, and the angle between the adjacent fixing holes and the axis connecting line is 20 °, and the fixing holes can rotate 40 ° altogether.

In some embodiments, as shown in fig. 2 and 3, the seat rotation mechanism further includes a positioning device 8, and the positioning device 8 is fixedly connected to the support 1 and includes a positioning seat 8-1 and a positioning pin 8-2; the seat is characterized in that a bolt hole is axially formed in the positioning seat 8-1, the distance between the center of the bolt hole and the center of the rotating shaft is equal to the distance between the fixing hole and the axis, the positioning pin 8-2 is movably installed in the bolt hole and can move up and down along the bolt hole, and the bottom end of the positioning pin 8-2 is inserted into one fixing hole 3-2, so that the rotating position of the seat rotating support 3 is locked. The seat rotating bracket 3 is inserted into different fixing holes through the positioning pin 8-2 in the rotating process to realize the screwing-out positioning function.

Further, in some embodiments, as shown in fig. 2 and 3, the positioning device 8 further comprises a U-shaped connecting member 8-3 and a spring 8-4; the lower end of the U-shaped connecting piece 8-3 is connected to the positioning seat 8-1, the upper end of the U-shaped connecting piece 8-3 is horizontally arranged, and a hole for installing the positioning pin 8-2 is axially formed; the upper part of the positioning pin 8-2 is arranged in a hole of the U-shaped connecting piece 8-3 in a penetrating way, and the lower part of the positioning pin is arranged in a bolt hole of the positioning seat 8-1 in a penetrating way;

the middle part of the positioning pin 8-2 is radially provided with a circle of bulges, the lower ends of the springs 8-4 are tightly pressed on the upper end surfaces of the bulges, and the upper ends of the springs 8-4 are tightly pressed on the bottom surface of the upper end of the U-shaped connecting piece 8-3 and are used for driving the positioning pin 8-2 to move downwards through the tension of the springs 8-4. The positioning device 8 realizes the reliable insertion of the positioning pin 8-2 through the spring tension.

In some embodiments, as shown in FIG. 4, the ladder assembly 7 includes rollers 7-3 and a ladder; the two sides of one end of the ladder in the width direction are respectively provided with a roller 7-3 in a hinged mode, a guide rail 12-1 matched with the roller 7-3 is arranged on the ladder guide rail frame 12, the ladder assembly 7 is movably connected and installed on the ladder guide rail frame 12 through the roller 7-3 and can move along the guide rail 12-1 to pull out or withdraw the ladder assembly 7. The guide rail 12-1 is of a groove structure matched with the roller 7-3, and the roller 7-3 is movably clamped in the groove of the guide rail 12-1.

Further, in some embodiments, as shown in fig. 4 and 5, the ladder is of a foldable structure and comprises a first part 7-1 and a second part 7-2 which are hinged with each other, the end part of the first part 7-1 is movably arranged on the ladder rail frame 12 through a roller 7-3, and the second part 7-2 can be turned relative to the first part 7-1 along a hinged point to realize folding or unfolding.

Further, in some embodiments, as shown in FIG. 4, the guide rail 12-1 is L-shaped, including a horizontal section and a terminal vertical section; the vertical section at the end of the guide rail 12-1 extends upwardly to provide room for the angle of inclination of the ladder assembly 7 as it is pulled downwardly.

In some embodiments, as shown in fig. 1, the bottom of the seat support 1 is provided with a mounting hole for connecting and mounting the whole seat rotating mechanism to the frame 13 of the road maintenance vehicle through bolts.

On the other hand, as shown in fig. 1, there is also provided a maintenance truck comprising the seat rotating mechanism, the seat rotating mechanism is fixedly mounted on a frame 13 of the maintenance truck through a bracket 1, and the seat rotating bracket 3 is capable of rotating at a certain angle (40 °) with respect to the frame 13 as a whole. The frame 13 is also provided with an operating mechanism.

The working principle of the utility model is as follows: in the running position, the ladder assembly 7 is stowed in a collapsed position within the ladder rail brackets 12 (as shown in figures 2 and 4); when people get on or off the vehicle, the ladder is pulled out, the ladder is drawn out along the guide rail of the ladder guide rail frame 12, and is supported on the side wall of the seat rotating mechanism (as shown in figure 5), and people climb the ladder and grasp the left handrail 5 and the right handrail 2 at the two sides of the door component 4 to get on or off the vehicle. The seat is fixed on a seat base 6 of the seat rotating bracket 3. When people get in and out, the seat rotating mechanism can not be rotated, and the door lock in the door component 4 is directly opened to realize the opening and closing of the door, so that people can conveniently get in and out to operate the equipment.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting with respect to the scope of the present invention.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A seat rotating mechanism is characterized by comprising a support (1) and a seat rotating bracket (3);

a rotating shaft (3-1) is movably arranged on the support (1) along the vertical direction;

the seat rotating bracket (3) is fixedly connected with the rotating shaft (3-1) and can rotate relative to the support (1) by taking the rotating shaft (3-1) as a central shaft;

a seat (6) for mounting a seat is arranged on the seat rotating bracket (3);

the bottom surface of the seat rotating support (3) is also provided with a ladder guide rail frame (12) used for accommodating and installing the ladder assembly (7).

2. The seat rotation mechanism according to claim 1, wherein a door assembly (4), a left armrest (5) and a right armrest (2) are further disposed on the seat rotation bracket (3), and the left armrest (5) and the right armrest (2) are disposed on two sides of the door assembly (4), respectively.

3. A seat swivel mechanism according to claim 1, characterized in that the carrier (1) comprises a carrier frame (9), the carrier frame (9) comprising a bottom plate (9-1) and an upper plate (9-2) arranged in parallel; a lower supporting block (11) is arranged on the bottom plate, and a stepped hole for supporting the bottom end of the rotating shaft (3-1) is axially arranged on the lower supporting block (11); an upper supporting block (10) is arranged at a corresponding position on the lower side of the upper plate, and a shaft hole for installing the upper end of the rotating shaft (3-1) is axially arranged at a corresponding position of the upper supporting block (10); the upper end and the lower end of the rotating shaft (3-1) are movably arranged in the upper supporting block (10) and the lower supporting block (11) respectively.

4. The seat rotating mechanism according to claim 1, wherein two or more fixing holes (3-2) with equal radius are distributed on the seat rotating bracket (3) with the rotating shaft (3-1) as an axis.

5. The seat rotation mechanism according to claim 4, further comprising a positioning device (8), wherein the positioning device (8) is fixedly connected to the support (1) and comprises a positioning seat (8-1) and a positioning pin (8-2); the seat is characterized in that a bolt hole is axially formed in the positioning seat (8-1), the distance between the center of the bolt hole and the center of the rotating shaft is equal to the distance between the fixing hole and the axis, the positioning pin (8-2) is movably installed in the bolt hole and can move up and down along the bolt hole, and the bottom end of the positioning pin (8-2) is inserted into one fixing hole (3-2) to lock the rotating position of the seat rotating support (3).

6. Seat swivel mechanism according to claim 5, characterized in that the positioning device (8) further comprises a U-shaped connection (8-3) and a spring (8-4); the lower end of the U-shaped connecting piece (8-3) is connected to the positioning seat (8-1), the upper end of the U-shaped connecting piece (8-3) is horizontally arranged, and a hole for installing the positioning pin (8-2) is axially formed; the upper part of the positioning pin (8-2) is arranged in a hole of the U-shaped connecting piece (8-3) in a penetrating manner, and the lower part of the positioning pin is arranged in a bolt hole of the positioning seat (8-1) in a penetrating manner;

the middle part of the positioning pin (8-2) is radially provided with a circle of bulges, the lower ends of the springs (8-4) are tightly pressed on the upper end faces of the bulges, and the upper ends of the springs (8-4) are tightly pressed on the bottom face of the upper end of the U-shaped connecting piece (8-3) and are used for driving the positioning pin (8-2) to move downwards through the tension of the springs (8-4).

7. Seat swivel mechanism according to claim 1, characterized in that the ladder assembly (7) comprises rollers (7-3) and a ladder;

the ladder is characterized in that two sides of one end of the ladder in the width direction are respectively provided with rollers (7-3) in an articulated manner, guide rails (12-1) matched with the rollers (7-3) are arranged on the ladder guide rail frame (12), the ladder assembly (7) is movably connected and installed on the ladder guide rail frame (12) through the rollers (7-3), and can be moved along the guide rails (12-1) to pull out or withdraw the ladder assembly (7).

8. The seat rotation mechanism according to claim 7, wherein the ladder is of a foldable structure and comprises a first part (7-1) and a second part (7-2) which are hinged to each other, the end of the first part (7-1) is movably mounted on the ladder rail frame (12) through a roller (7-3), and the second part (7-2) can be turned relative to the first part (7-1) along the hinged point to realize folding or unfolding;

and/or the guide rail (12-1) is L-shaped and comprises a horizontal section and a vertical section at the tail end; the vertical section at the end of the guide rail (12-1) extends upwards to provide a space for the angle of inclination when the ladder assembly (7) is pulled downwards.

9. A seat swivel mechanism according to claim 1, characterized in that the bottom of the pedestal (1) is provided with mounting holes for connecting and mounting the entire seat swivel mechanism to the frame of a road maintenance vehicle by means of bolts.

10. A road maintenance vehicle, characterized in that it comprises a seat swivel according to any of claims 1-9, which is mounted on the frame (13) of the road maintenance vehicle.