CN212740609U

CN212740609U - Fixed hydraulic lifting platform with prevent function of falling certainly

Info

Publication number: CN212740609U
Application number: CN202021144353.6U
Authority: CN
Inventors: 吴卫平
Original assignee: Suzhou Weierli Hydraulic Lifting Machinery Co ltd
Current assignee: Suzhou Weierli Hydraulic Lifting Machinery Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-19
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a fixed hydraulic elevating platform with prevent function of falling certainly, including chassis, auto-lock structure, bracket, the vertical hydraulic telescoping cylinder that is equipped with in top surface middle part of chassis, chassis top surface between spacing frame and the hydraulic telescoping cylinder is controlled both ends and is vertically equipped with first folding rod, second folding rod respectively, the auto-lock structure is including supporting the bent frame, injecing guide rail, screens pole, support the bent frame through the vertical one side of establishing in first folding rod and second folding rod junction of pivot, the annular reset groove has transversely been seted up to the side upper end of injecing the guide rail, the activity is provided with the V-arrangement connecting rod between the support bent frame both ends lateral wall in the injecing the guide rail outside, the horizontal activity of bracket sets up and keeps away from chassis one end side at first folding rod, second folding rod. The utility model discloses utilize the cooperation relation between screens piece of screens pole and limited guide rail inner chamber to accomplish the auto-lock operation in order to avoid the bracket to move down influence operation safety, fail safe nature is strong, excellent in use effect.

Description

Fixed hydraulic lifting platform with prevent function of falling certainly

Technical Field

The utility model relates to a elevating platform technical field specifically is a fixed hydraulic elevating platform with prevent from falling function.

Background

The hydraulic lifting platform is a multifunctional hoisting, loading and unloading mechanical device. The hydraulic lifting platform comprises: four-wheel movable lifting platform, two-wheel traction type lifting platform, automobile modified lifting platform, hand-push type lifting platform, hand-operated type lifting platform, AC/DC dual-purpose lifting platform, battery car-mounted type lifting platform and lifting height of which is different from 1 to 30 meters. The fixed hydraulic lifting platform is a cargo lifting device with good lifting stability and wide application range, and is mainly used for conveying cargos among height differences of a production line, loading and unloading materials, adjusting the height of a workpiece during assembly, feeding by a high-position feeder, lifting parts during assembly of large-scale equipment, loading and unloading by a large-scale machine tool, and quickly loading and unloading cargos in a storage loading and unloading place matched with a forklift and other carrying vehicles. The existing hydraulic lifting platform is mostly controlled to lift through hydraulic equipment, for example, the patent with the application number of 201921082873.6 and the name of fixed hydraulic lifting platform has the advantages of good bearing and reliability, easy influence on safety and stability due to reduction of oil pressure and no safety structure when a fault occurs, and poor practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed hydraulic elevating platform with prevent from falling function to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixed hydraulic lifting platform with a self-falling prevention function comprises a bottom frame, a self-locking structure and a bracket, wherein a positioning plate is longitudinally and movably arranged in the middle of the surface of one side of the bottom frame by arranging a groove, a hydraulic telescopic cylinder is vertically and fixedly arranged in the middle of the surface of the top of the bottom frame by a connecting seat, a rectangular limiting frame is fixedly arranged on the surface of the top of the bottom frame outside the hydraulic telescopic cylinder, a first folding rod and a second folding rod are longitudinally and movably arranged at the left end and the right end of the surface of the top of the bottom frame between the limiting frame and the hydraulic telescopic cylinder respectively through a regulating seat, the self-locking structure comprises a supporting bent frame, a limiting guide rail and a clamping rod, the supporting bent frame is vertically and movably arranged on one side of the joint of the first folding rod and the second folding rod through a shaft pin, the limiting guide rail is transversely and movably arranged on the side of a rotating, the utility model discloses a limiting guide rail, including limiting guide rail, clamping rod, first folding rod, second folding rod, limiting guide rail, V-shaped connecting rod, limiting guide rail, limiting guide.

Preferably, the hydraulic telescopic cylinder is a multi-stage hydraulic oil cylinder, the minimum extension length is 2 m, and one end of the hydraulic telescopic cylinder, which is far away from the bottom frame, is movably connected with a mounting seat arranged in the middle of the surface of the bottom of the bracket.

Preferably, the first folding rod and the second folding rod are both W-shaped structures and are arranged on the outer side of the hydraulic telescopic cylinder in a crossed and reverse mode, and the first folding rod and the second folding rod are movably connected through a limiting rod.

Preferably, the support bent frame is of a V-shaped structure and is installed in a reverse direction of the connecting rod, and the angle range of the support bent frame adjusted by the connecting rod is 60-180 degrees.

Preferably, a plurality of arc-shaped clamping blocks are vertically arranged in the inner cavity of the limiting guide rail below the reset groove, the height of each clamping block is smaller than half of the height of the inner cavity of the limiting guide rail, and the clamping rods are the same as the inner diameter of each clamping block.

Preferably, the position guiding column is of an I-shaped structure, and one end, far away from the support, of the position guiding column is movably arranged on the inner wall of the reset groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the side activity at first folding rod and second folding rod junction is equipped with the support bent frame, be equipped with the connecting rod between the support bent frame both ends lateral wall of injecing the guide rail outside and through screens pole and injecing guide rail swing joint, the support bent frame that can drive the lateral wall when first folding rod and second folding rod shift up during the use removes, the connecting rod can drive the screens pole simultaneously and remove in injecing the guide rail herein, when hydraulic telescoping cylinder breaks down, utilize the cooperation relation between screens pole and the limited guide rail inner chamber screens piece to accomplish the auto-lock operation in order to avoid the bracket to move down and influence the operation safety, the fail safe nature is strong, excellent in use effect.

2. The side upper end of injecing the guide rail transversely is equipped with the annular and resets the groove and is connected through the guide post screens of support and screens pole side, utilizes the guide relation of guide post in the groove that resets to control the auto-lock operation of screens pole between injecing guide rail inner chamber and screens piece, guarantees the practicality of elevating platform when satisfying the demand of preventing falling certainly, and the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the expanded structure of the present invention;

fig. 3 is a top view of the surface connecting structure of the bottom frame of the present invention;

fig. 4 is a sectional view of the connection structure of the support bent frame of the present invention;

fig. 5 is a schematic view of the side connection structure of the limiting rail of the present invention 1;

fig. 6 is a schematic view of the side connection structure of the limiting rail of the present invention 2.

In the figure: 1. a chassis; 2. a bracket; 3. positioning a plate; 4. a hydraulic telescopic cylinder; 5. a limiting frame; 6. a first folding bar; 7. a second folding bar; 8. supporting the bent frame; 9. defining a guide rail; 10. a position clamping rod; 11. a reset groove; 12. a connecting rod; 13. a guide post; 14. a limiting rod; 15. and (7) a clamping block.

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 work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3, 4, 5 and 6, in an embodiment of the present invention, a fixed hydraulic lifting platform with a self-falling prevention function includes a bottom frame 1, a self-locking structure, and a bracket 2, wherein a positioning plate 3 is longitudinally movably disposed at the middle of one side surface of the bottom frame 1 by forming a groove, a hydraulic telescopic cylinder 4 is vertically and fixedly disposed at the middle of the top surface of the bottom frame 1 by a connecting seat, a rectangular limiting frame 5 is fixedly disposed at the top surface of the bottom frame 1 outside the hydraulic telescopic cylinder 4, a first folding rod 6 and a second folding rod 7 are respectively longitudinally and movably disposed at the left and right ends of the top surface of the bottom frame 1 between the limiting frame 5 and the hydraulic telescopic cylinder 4 by an adjusting seat, the self-locking structure includes a supporting bent frame 8, a limiting guide rail 9 and a locking rod 10, the supporting bent frame 8 is vertically and movably disposed at one side of the connection between the first folding rod 6 and the second, the limiting guide rail 9 is transversely and movably arranged on the side surface of a rotating shaft at the joint of the supporting bent frames 8, the upper end of the side surface of the limiting guide rail 9 is transversely provided with an annular reset groove 11, a V-shaped connecting rod 12 is movably arranged between the side walls of the two ends of the supporting bent frames 8 at the outer sides of the limiting guide rail 9, the clamping rod 10 penetrates through the limiting guide rail 9 through a support on the side surface of the connecting rod 12 and is movably arranged in the supporting bent frames 8, a guiding column 13 is movably arranged on the surface of the support on one side of the clamping rod 10, and the bracket 2 is transversely and movably arranged on the side surface of one end, far away from the bottom; the hydraulic telescopic cylinder 4 is a multi-stage hydraulic oil cylinder, the minimum extension length is 2 meters, and one end of the hydraulic telescopic cylinder 4, which is far away from the bottom frame 1, is movably connected with a mounting seat arranged in the middle of the bottom surface of the bracket 2, so that the lifting requirements of different heights are met; the first folding rod 6 and the second folding rod 7 are both W-shaped structures and are arranged on the outer side of the hydraulic telescopic cylinder 4 in a crossed and reverse mode, and the first folding rod 6 is movably connected with the second folding rod 7 through a limiting rod 14, so that the stability of the bracket after being lifted is guaranteed; the supporting bent frame 8 is of a V-shaped structure and is reversely mounted with the connecting rod 12, the angle range of the supporting bent frame 8 adjusted by the connecting rod 12 is 60-180 degrees, and the lifting height is ensured while the folding requirement is met; a plurality of arc-shaped clamping blocks 15 are vertically arranged in the inner cavity of the limiting guide rail 9 below the reset groove 11, the height of each clamping block is less than half of the height of the inner cavity of the limiting guide rail 9, and the clamping rods 10 and the clamping blocks 15 have the same inner diameter, so that the safety support requirement in the case of failure is met; the position guide column 13 is of an I-shaped structure, one end, far away from the support, of the position guide column 13 is movably arranged on the inner wall of the reset groove 11, and the position guide column is convenient to reset quickly after self-locking so as to avoid influencing the use of the lifting platform.

The utility model discloses a theory of operation and use flow: when the lifting platform is required to be safely moved downwards, the hydraulic telescopic cylinder 4 is controlled to completely extend out so as to guide the clamping rod 10 to the inner cavity of the limited guide rail 9 above the clamping block 15 through the guide column 13 under the action of the reset groove 11 to separate from a self-locking structure, so that the safety and reliability are high, and the use effect is good.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fixed hydraulic lifting platform with prevent function of falling certainly, includes chassis (1), auto-lock structure, bracket (2), its characterized in that: the self-locking device is characterized in that a positioning plate (3) is vertically and movably arranged in the middle of one side surface of the bottom frame (1) by arranging a groove, a hydraulic telescopic cylinder (4) is vertically and fixedly arranged in the middle of the top surface of the bottom frame (1) by a connecting seat, a rectangular limiting frame (5) is fixedly arranged on the top surface of the bottom frame (1) at the outer side of the hydraulic telescopic cylinder (4), a first folding rod (6) and a second folding rod (7) are respectively and vertically and movably arranged at the left end and the right end of the top surface of the bottom frame (1) between the limiting frame (5) and the hydraulic telescopic cylinder (4) by an adjusting seat, the self-locking structure comprises a supporting bent frame (8), a limiting guide rail (9) and a clamping rod (10), the supporting bent frame (8) is vertically and movably arranged at one side of the joint of the first folding rod (6) and the second folding rod (7) by a shaft pin, the limiting guide rail, the utility model discloses a support of injecing guide rail (9) and locating rod (10), it transversely has seted up annular groove (11) that resets to inject the side upper end of guide rail (9), the activity is provided with V-arrangement connecting rod (12) between the support bent frame (8) both ends lateral wall of injecing the guide rail (9) outside, the support of screens pole (10) side runs through the support of injecing guide rail (9) activity and sets up the inside at support bent frame (8), the support surface activity of screens pole (10) one side is provided with guide post (13), bracket (2) are through the horizontal activity setting of crossbeam and are kept away from chassis (1) one end side at first folding rod (6), second folding rod (7).

2. A fixed hydraulic lift platform with self-fall prevention according to claim 1 wherein: the hydraulic telescopic cylinder (4) is a multi-stage hydraulic oil cylinder, the minimum extension length is 2 meters, and one end, far away from the bottom frame (1), of the hydraulic telescopic cylinder (4) is movably connected with a mounting seat arranged in the middle of the surface of the bottom of the bracket (2).

3. A fixed hydraulic lift platform with self-fall prevention according to claim 1 wherein: the first folding rod (6) and the second folding rod (7) are W-shaped structures and are arranged on the outer side of the hydraulic telescopic cylinder (4) in a crossed and reverse mode, and the first folding rod (6) is movably connected with the second folding rod (7) through a limiting rod (14).

4. A fixed hydraulic lift platform with self-fall prevention according to claim 1 wherein: the supporting bent frame (8) is of a V-shaped structure and is reversely mounted with the connecting rod (12), and the angle range of the supporting bent frame (8) adjusted by the connecting rod (12) is 60-180 degrees.

5. A fixed hydraulic lift platform with self-fall prevention according to claim 1 wherein: the inner cavity of the limiting guide rail (9) below the reset groove (11) is vertically provided with a plurality of arc-shaped clamping blocks (15), the height of each clamping block is less than half of the height of the inner cavity of the limiting guide rail (9), and the inner diameters of the clamping rods (10) and the clamping blocks (15) are the same.

6. A fixed hydraulic lift platform with self-fall prevention according to claim 1 wherein: the position guiding column (13) is of an I-shaped structure, and one end, far away from the support, of the position guiding column (13) is movably arranged on the inner wall of the reset groove (11).