CN211895952U - Lifting guide device and rescue vehicle - Google Patents

Abstract

The utility model relates to the technical field of special vehicles, in particular to a lifting guide device, which comprises a lifting platform and a groove-shaped guide rail, wherein a lifting driving component is connected below the middle part of the lifting platform, four points of the circumferential edge of the lifting platform, which can form a quadrangle, are respectively connected with a bearing, the lifting driving component is positioned in the middle part of the quadrangle formed by the four points, and the installation directions of the bearings on the adjacent points in the four points are different by 90 degrees; the four groove-shaped guide rails are vertically and fixedly arranged and are respectively matched with the bearings on the lifting platform in a one-to-one correspondence mode, the axis directions of the bearings are perpendicular to the groove-shaped guide rails and extend into the groove-shaped guide rails along the axis directions, and when the lifting driving assembly drives the lifting platform to lift, the bearings move up and down along the groove-shaped guide rails and are in rolling fit with the two side faces inside the groove-shaped guide rails. A rescue vehicle comprises a lifting guide device. The utility model discloses can effectively avoid toppling when lift platform lift in-process atress is inconsistent, ensure the safety of rescue car transportation.

Description

Lifting guide device and rescue vehicle

Technical Field

The utility model relates to a special type vehicle technical field, concretely relates to lifting guide device and rescue car.

Background

The highway accident handling task is heavy, and often single accident has multiple equipment demands, and a high-efficiency rescue vehicle needs to be equipped with collision avoidance function, isolation equipment rapid placement function, speed and distance measurement function, acousto-optic warning function and the like. At present, in the field of expressway rescue in China, the equipment integration level is not enough, and one trolley cannot finish a plurality of rescue tasks; according to the requirements of fire-fighting rescue actual combat in China, equipment for highway accident handling rescue vehicles needs to be enhanced, and the fire-fighting rescue scene warning guarantee level is improved.

The water injection isolation pier is common isolation equipment for handling accident sites, but the existing rescue vehicle is provided with more equipment, so that the storage space of the isolation pier is limited; aiming at the existing rescue vehicle type, in order to place sufficient isolation piers, the applicant imagines that the isolation piers are stored into an upper layer and a lower layer, but the height of the isolation pier at the upper layer is about 2.5m away from the ground, and workers can not normally take the isolation piers, so a two-layer lifting scheme is required to be arranged. To water injection hard shoulder jacking equipment, if use single pneumatic cylinder drive lift platform lift, because water injection hard shoulder gravity, and the complete balance that the water injection hard shoulder can not be put, make the gravity that each position of lift platform bore can not be identical completely, lift platform probably topples in the lift in-process incline, thereby make the rescue car probably take place danger in the transportation, so need guarantee the platform is stable not incline among the platform lift in-process, just need set up guider in addition, be as for setting up what kind of guider in order to satisfy the rescue car service condition this application further need solve the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that exists with not enough to the aforesaid, a guider and rescue car lift is provided, the installation direction of the bearing on the adjacent position differs 90 degrees in four positions of lift platform, be located that the power of direction about two bearings on a quadrangle diagonal can offset, be located that the power of fore-and-aft direction can be offset to two bearings on another quadrangle diagonal, the moving load of the direction can be offset according to above-mentioned mode about the simple and fore-and-aft direction, when a moving load direction is an angle with above-mentioned direction, then the bearing of four positions will all bear and offset this moving load, can effectively avoid toppling when lift platform lift process atress nonconformity, and then can effectively ensure the safety of rescue car transportation.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that:

a lifting guide device comprises a lifting platform and a groove-shaped guide rail, wherein a lifting driving assembly is connected below the middle of the lifting platform and used for driving the lifting platform to lift, four point positions which can form a quadrangle on the circumferential edge of the lifting platform are respectively and rotatably connected with a bearing, the lifting driving assembly is positioned in the middle of the quadrangle formed by the four point positions, and the installation directions of the bearings on the adjacent point positions in the four point positions are different by 90 degrees; the vertical fixed setting of cell type guide rail, the cell type guide rail sets up to four, respectively with the bearing one-to-one cooperation of four points on the lift platform, the axis direction of bearing with the cell type guide rail is mutually perpendicular to in stretching into the cell type guide rail along the axis direction, when lifting the drive assembly drive when lift platform goes up and down, the bearing is followed the cell type guide rail reciprocates, and with the inside both sides face roll fit of cell type guide rail.

Further, in the above lifting guide device, a quadrilateral formed by four point locations on the lifting platform is a rectangle, and the lifting driving component is located at a geometric center of the rectangle formed by the four point locations.

Further, in the above lifting guide device, a quadrilateral formed by four point locations on the lifting platform is an isosceles trapezoid, and the lifting drive assembly is located at a geometric center of the isosceles trapezoid formed by the four point locations.

Further, in the above lifting guide device, the lifting platform is quadrilateral, and four point locations on the lifting platform are positions of four corners of the lifting platform.

Further, in the above lifting guide device, the lifting platform is a regular hexagon, and the four point locations on the lifting platform are four vertically symmetrical corners of the lifting platform.

Further, in the above lifting guide device, the bearing is a deep groove ball bearing.

Further, in the above lifting guide device, the bearing is connected to the edge of the lifting platform by a mounting shaft.

Further, in the above lifting guide device, the lifting driving assembly is a lifting cylinder.

A rescue vehicle comprises a chassis and any one of the lifting guide devices, wherein the lifting drive assembly and the groove-shaped guide rail are arranged on the chassis.

Furthermore, in the rescue vehicle, water injection isolation piers are arranged on the chassis and the lifting platform.

The utility model discloses a lift guider and rescue car's beneficial effect:

1. the utility model discloses a lifting guide device, the difference of installation direction of the bearing on the adjacent position in four positions of lift platform is 90 degrees, two bearings that are located on one diagonal of quadrangle can offset the power of left and right directions, two bearings that are located on another diagonal of quadrangle can offset the power of fore-and-aft direction, the simple dynamic load of left and right directions and fore-and-aft direction can be offset according to the mode, when a dynamic load direction is an angle with the above-mentioned direction, then the bearing of four positions will all bear and offset this dynamic load, can effectively avoid the lift platform to go up and down the toppling when the atress is inconsistent;

2. in the lifting guide device, the quadrangle formed by four points on the lifting platform is rectangular, and the lifting drive component is positioned at the geometric center of the rectangle formed by the four points, so that the bearing stress of the four points is more balanced;

3. in the lifting guide device, the lifting platform is quadrilateral, and four point positions on the lifting platform are the positions of four corners of the lifting platform, so that the whole supporting and guiding of the lifting platform are more stable;

4. the utility model discloses a rescue car adopts all to store the water injection hard shoulder on chassis and the lift platform, has increased the storage capacity, adopts the lift that lifts guider control lift platform, makes the workman take and equips the convenience, and makes the lift platform go up and down steadily, can guarantee rescue car transportation security.

Drawings

Fig. 1 is a schematic front view of a lifting guide device according to an embodiment of the present invention.

Fig. 2 is a schematic top view of a lifting guide device according to an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a portion B of fig. 2.

In the figure: 1 is a lifting platform, 2 is a bearing, 3 is a groove-shaped guide rail, 4 is a lifting oil cylinder, and 5 is an installation shaft.

Detailed Description

The lifting guide device and the rescue vehicle of the present invention will be described in more detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a lifting guide device comprises a lifting platform and a groove-shaped guide rail, wherein a lifting driving assembly is connected below the middle of the lifting platform and used for driving the lifting platform to lift, four point positions on the circumferential edge of the lifting platform, which can form a quadrangle, are respectively and rotatably connected with bearings, the lifting driving assembly is positioned in the middle of the quadrangle formed by the four point positions, and the installation directions of the bearings on the adjacent point positions in the four point positions are different by 90 degrees; the vertical fixed setting of cell type guide rail, the cell type guide rail sets up to four, and the recess of four cell type guide rails corresponds 4 directions respectively, respectively with the bearing one-to-one cooperation of four points on the lift platform, the axis direction and the cell type guide rail of bearing are mutually perpendicular to during stretching into the cell type guide rail along the axis direction, when lifting drive assembly drive lift platform and go up and down, the bearing reciprocates along the cell type guide rail, and with the inside both sides face rolling fit of cell type guide rail. As shown in fig. 2, the two bearings located on one diagonal of the quadrangle are stressed in a straight line, the force in the left and right directions can be counteracted, the force in the left and right directions can be generated by the left and right displacement of the lifting platform, or can be generated by the left and right ends of the lifting platform rotating around the middle part of the platform, the force in the front and back directions can be counteracted by two bearings positioned on the other diagonal line of the quadrangle, the force in the front and back directions can be generated by the front and back displacement of the lifting platform, or can be generated by the front and back ends of the lifting platform rotating around the middle part of the platform, the simple dynamic loads in the left and right directions and the front and back directions can, when a direction of a dynamic load is at an angle to the direction, the bearings at the four points will be subjected to offset the dynamic load, therefore, the movement of other five degrees of freedom except the up-and-down movement of the lifting platform is limited, and the overturning of the lifting platform when the stress is inconsistent in the lifting process can be effectively avoided.

In this embodiment, preferably, a quadrilateral formed by four point locations on the lifting platform is an isosceles trapezoid, the lifting driving assembly is located at a geometric center of the isosceles trapezoid formed by the four point locations, and distances of the four bearings from the geometric center of the isosceles trapezoid in one direction are symmetrical, so that the bearings at the four point locations are stressed relatively uniformly in the one direction. More preferably, the quadrangle formed by the four point locations on the lifting platform is rectangular, the lifting driving assembly is located at the geometric center of the rectangle formed by the four point locations, and the distances from the four bearings to the geometric center of the rectangle are relatively equal, so that the bearing stress of the four point locations can be more balanced.

In this embodiment, preferably, the lifting platform is a quadrilateral, and four point locations on the lifting platform are positions of four corners of the lifting platform. More preferably, lift platform is the rectangle, and four positions on the lift platform are the position at four angles of lift platform, can be more steady to lift platform's whole support direction, can effectively avoid the toppling when lift platform atress is inconsistent.

In other embodiments, the lifting platform may also be a regular hexagon, and the four point locations on the lifting platform are four corners that are symmetrical up and down after the left and right corners of the lifting platform are removed, so that the overall support and guide of the lifting platform are relatively stable.

In this embodiment, specifically, the bearing is deep groove ball bearing, and the bearing passes through the edge of installation hub connection at lift platform, and the installation hub passes through bolted connection at the lift platform side.

In this embodiment, the lifting driving component is preferably a lifting cylinder, and in other embodiments, the lifting driving component may also be an electric push rod, an air cylinder, or the like.

The embodiment also discloses a rescue car, including chassis and the preceding description lift guider, lift drive assembly and cell type guide rail and install on the chassis, all placed the water injection hard shoulder on chassis and the lift platform, can increase the storage capacity of water injection hard shoulder, adopt the lift of lifting guider control lift platform, make the workman take the equipment convenient, and make the lift platform go up and down steadily, can guarantee the security of rescue car transportation.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention 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" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the specific embodiments without departing from the concept of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention.

Claims (10)

1. A lift guide, comprising:

the lifting platform is characterized in that a lifting driving assembly is connected below the middle of the lifting platform and used for driving the lifting platform to lift, four point positions which can form a quadrangle on the circumferential edge of the lifting platform are respectively and rotatably connected with a bearing, the lifting driving assembly is located in the middle of the quadrangle formed by the four point positions, and the installation directions of the bearings on the adjacent point positions in the four point positions are different by 90 degrees; and

the cell type guide rail, its vertical fixed setting, the cell type guide rail sets up to four, respectively with the cooperation of the bearing one-to-one of four points on the lift platform, the axis direction of bearing with the cell type guide rail is mutually perpendicular to in stretching into the cell type guide rail along the axis direction, when lifting the drive assembly drive lift platform is when going up and down, the bearing is followed the cell type guide rail reciprocates, and with the inside both sides face roll fit of cell type guide rail.

2. The lift guide of claim 1, wherein the quadrilateral of four points on the lift platform is a rectangle, and the lift drive assembly is located at the geometric center of the rectangle of four points.

3. The lift guide of claim 1, wherein the quadrilateral of four point locations on the lift platform is an isosceles trapezoid, and the lift driving assembly is located at the geometric center of the isosceles trapezoid of the four point locations.

4. The lift guide of claim 1, wherein the lift platform is quadrilateral, and the four points on the lift platform are the positions of the four corners of the lift platform.

5. The lifting guide device of claim 1, wherein the lifting platform is a regular hexagon, and the four points on the lifting platform are positions at four corners of the lifting platform which are vertically symmetrical.

6. The lift guide of claim 1, wherein the bearings are deep groove ball bearings.

7. A lift guide according to claim 1 wherein the bearings are attached to the edge of the lift platform by mounting shafts.

8. The lift guide of claim 1, wherein the lift drive assembly is a lift cylinder.

9. A rescue vehicle comprising a chassis and characterized in that it further comprises a lifting guide device as claimed in any one of claims 1 to 8, said lifting drive assembly and said slotted guide track being mounted on said chassis.

10. The rescue vehicle of claim 9, wherein water injection isolation piers are placed on both the chassis and the lifting platform.

Images