CN112390177A

CN112390177A - Full-automatic anti-tipping device of crane

Info

Publication number: CN112390177A
Application number: CN202011256121.4A
Authority: CN
Inventors: 廖金保; 罗兴爱
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-02-23

Abstract

The invention discloses a full-automatic anti-tipping device of a crane, which comprises supporting legs, a hydraulic rod, a supporting mechanism, a fixed rod, a sliding rod, a telescopic spring, a fixed shaft, a clamping block, a rubber block, a butting spring and a butting mechanism. The invention has the beneficial effects that: fixed connection can be dismantled with the four corners of crane to four supporting legss, thereby be favorable to supporting the crane stability under the cooperation of four hydraulic stems, prevent that the crane from turning on one's side, simultaneously through twitching the slide bar, make the fixture block of slide bar bottom and hydraulic stem bottom side, make the slide bar block closely difficult not hard up under the effect of fixed axle and block rubber, then make slide bar and the inside unable slip of dead lever under the effect of conflict mechanism, do benefit to and played the reinforced effect of support between hydraulic stem and the supporting legs, when not using the dead lever, accomodate the slide bar through drive conflict mechanism, then rotate the dead lever, it deposits to make dead lever and slide bar accomodate.

Description

Full-automatic anti-tipping device of crane

Technical Field

The invention relates to a crane, in particular to a full-automatic anti-tipping device of the crane, belonging to the technical field of crane protection.

Background

The crane is a hoisting and carrying apparatus widely used in ports, construction sites, workshops and other places, is a unified title of hoisting machinery, is used for hoisting equipment, emergency rescue, hoisting, rescue and the like, has a plurality of types, basically covers all fields and various places, is most common to be a truck crane and a crawler crane, and is an important appliance for construction of the construction sites.

In the crane use, tumble when preventing the crane jack-up, need support the protection to full-automatic supporting legs of crane both sides four corners installation and hydraulic stem, however, traditional supporting legs single structure, the crushing resistance is poor, when receiving the heavily to press, can make and take place deformation between supporting legs and the hydraulic stem to can lead to the crane to tumble.

Disclosure of Invention

The present invention has been made to solve the above problems, and it is an object of the present invention to provide a fully automatic anti-tipping device for a crane, which can reinforce and support the space between supporting legs and a hydraulic rod of the crane, thereby preventing a deformed crane from tipping.

The invention achieves the aim through the following technical scheme, and the full-automatic anti-tipping device of the crane comprises four supporting legs and hydraulic rods arranged at one ends of the four supporting legs, wherein the hydraulic rods are vertically connected with one ends of the supporting legs; the bottom parts of the four supporting legs are respectively provided with a supporting mechanism, the supporting mechanism further comprises a fixed rod, a sliding rod, a telescopic spring, a fixed shaft, a clamping block, a rubber block and a butting spring, one end of the fixed rod is rotatably connected with one end of the bottom part of the supporting leg, and one end of the sliding rod is connected with the inner part of the other end of the fixed rod in a sliding manner; the telescopic spring is installed at one end of the sliding rod, and one end of the telescopic spring is connected with the inside of the fixed rod; the fixed shaft is arranged on the inner side of the other end of the sliding rod, and the fixture block is arranged on one side of the bottom of the hydraulic rod; the rubber blocks are symmetrically distributed in the fixture block, one end of each rubber block is of an arc-shaped structure, the other end of each rubber block is provided with the corresponding abutting spring, and the rubber blocks are connected with the interiors of the fixture blocks in a sliding mode through the abutting springs; the other end of the sliding rod is clamped with the outer side of the clamping block, the fixed shaft is clamped with the inner portion of the clamping block, the side wall of the fixed shaft is abutted to one end of each of the two rubber blocks, and an abutting mechanism is arranged inside the side wall of the other end of the fixed shaft.

Preferably, in order to carry out the collision braking on the side wall of the sliding rod, the collision mechanism comprises a sliding block, the sliding block is in sliding connection with the inner portion of the side wall of the other end of the fixed rod, one side of the sliding block is of a toothed structure, one side of the sliding rod is of a toothed structure, and one side of the sliding block penetrates through the fixed rod and collides with one side of the sliding rod.

Preferably, in order to drive the sliding block conveniently, the abutting mechanism further comprises a screw rod, one end of the screw rod penetrates through the fixed rod and extends to the inside of the sliding block, the screw rod is rotatably connected with the inside of the sliding block, and the screw rod is in threaded connection with the side wall of the fixed rod.

Preferably, in order to prevent the sliding rod from sliding out of the fixed rod, a limiting mechanism is mounted inside the side wall of the other end of the fixed rod and comprises a limiting pin, the limiting pin is connected with the fixed rod in a sliding mode, and the bottom of the limiting pin is of a triangular structure.

Preferably, in order to right the gag pin is contradicted and is reset, stop gear still includes extrusion spring, extrusion spring install in the top of gag pin, extrusion spring's top with the inboard of dead lever is connected.

Preferably, for the convenience the spacer pin is contradicted and is made the slide bar can't move to one side, stop gear still includes the spacing groove, the spacing groove is the triangle-shaped structure, the spacing groove is located the one end lateral wall of slide bar, the bottom of spacer pin run through in the dead lever with the inside conflict of spacing groove.

Preferably, in order to connect and suspend the bottom of the sliding rod conveniently, fixing mechanisms are installed at the bottom sides of one ends of the four supporting legs, each fixing mechanism comprises a compression spring and a hook, the compression springs are installed on the side walls of one ends of the supporting legs, and one end of each hook is connected with the other end of each compression spring.

The invention has the beneficial effects that: fixed connection can be dismantled with the four corners of crane to four supporting legss, thereby be favorable to supporting the crane stability under the cooperation of four hydraulic stems, prevent that the crane from turning on one's side, simultaneously through twitching the slide bar, make the fixture block of slide bar bottom and hydraulic stem bottom side, make the slide bar block closely difficult not hard up under the effect of fixed axle and block rubber, then make slide bar and the inside unable slip of dead lever under the effect of conflict mechanism, do benefit to and played the reinforced effect of support between hydraulic stem and the supporting legs, when not using the dead lever, accomodate the slide bar through drive conflict mechanism, then rotate the dead lever, it deposits to make dead lever and slide bar accomodate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connection structure of the hydraulic lever and the support mechanism shown in FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of the portion B shown in FIG. 2;

fig. 5 is an enlarged schematic view of the portion C shown in fig. 2.

In the figure: 1. supporting legs, 2, hydraulic stem, 3, supporting mechanism, 31, dead lever, 32, slide bar, 33, expanding spring, 34, fixed axle, 35, fixture block, 36, block rubber, 37, conflict spring, 4, fixed establishment, 41, compression spring, 42, couple, 5, stop gear, 51, stopper, 52, spacing groove, 53, extrusion spring, 6, conflict mechanism, 61, slider, 62, lead screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, a full-automatic anti-tipping device for a crane includes four supporting legs 1 and a hydraulic rod 2 installed at one end of the four supporting legs 1, wherein the hydraulic rod 2 is vertically connected with one end of the supporting legs 1; the supporting mechanisms 3 are respectively installed at the bottoms of the four supporting feet 1, each supporting mechanism 3 further comprises a fixing rod 31, a sliding rod 32, an expansion spring 33, a fixing shaft 34, a clamping block 35, a rubber block 36 and a contact spring 37, one end of each fixing rod 31 is rotatably connected with one end of the bottom of each supporting foot 1, and one end of each sliding rod 32 is connected with the inner part of the other end of each fixing rod 31 in a sliding manner; the telescopic spring 33 is installed at one end of the sliding rod 32, and one end of the telescopic spring 33 is connected with the inside of the fixing rod 31; the fixed shaft 34 is installed on the inner side of the other end of the sliding rod 32, and the fixture block 35 is installed on one side of the bottom of the hydraulic rod 2; the two symmetrically distributed rubber blocks 36 are installed inside the fixture block 35, one end of each rubber block 36 is of an arc-shaped structure, the other end of each rubber block 36 is provided with the corresponding abutting spring 37, and the rubber blocks 36 are slidably connected with the inside of the fixture block 35 through the abutting springs 37; the other end of the sliding rod 32 is clamped with the outer side of the clamping block 35, the fixed shaft 34 is clamped with the inner portion of the clamping block 35, the side wall of the fixed shaft 34 is abutted against one end of the two rubber blocks 36, and the abutting mechanism 6 is installed inside the side wall of the other end of the fixed rod 31.

As a technical optimization scheme of the present invention, the abutting mechanism 6 includes a sliding block 61, the sliding block 61 is slidably connected with the inside of the side wall of the other end of the fixed rod 31, one side of the sliding block 61 is a tooth-shaped structure, one side of the sliding rod 32 is a tooth-shaped structure, and one side of the sliding block 61 penetrates through the fixed rod 31 and abuts against one side of the sliding rod 32.

As a technical optimization scheme of the present invention, the abutting mechanism 6 further includes a screw 62, one end of the screw 62 penetrates through the fixing rod 31 and extends to the inside of the slider 61, the screw 62 is rotatably connected with the inside of the slider 61, and the screw 62 is in threaded connection with the side wall of the fixing rod 31.

As a technical optimization scheme of the invention, a limiting mechanism 5 is installed inside the side wall of the other end of the fixing rod 31, the limiting mechanism 5 comprises a limiting pin, the limiting pin is connected with the inside of the fixing rod 31 in a sliding manner, and the bottom of the limiting pin is of a triangular structure.

As a technical optimization scheme of the present invention, the limiting mechanism 5 further includes an extrusion spring 53, the extrusion spring 53 is mounted on the top of the limiting pin, and the top of the extrusion spring 53 is connected with the inner side of the fixing rod 31.

As a technical optimization scheme of the present invention, the limiting mechanism 5 further includes a limiting groove 52, the limiting groove 52 is a triangular structure, the limiting groove 52 is disposed on a side wall of one end of the sliding rod 32, and a bottom of the limiting pin penetrates through the fixing rod 31 and abuts against an inside of the limiting groove 52.

As a technical optimization scheme of the invention, a fixing mechanism 4 is installed at the bottom side of one end of each of the four support legs 1, the fixing mechanism 4 comprises a compression spring 41 and a hook 42, the compression spring 41 is installed on the side wall of one end of each of the support legs 1, and one end of the hook 42 is connected with the other end of the compression spring 41.

When the crane is used, the four supporting feet 1 are detachably and fixedly connected with four corners of a crane, the crane is supported and stabilized by the four hydraulic rods 2, the crane is prevented from turning over, the sliding rod 32 is pulled to slide out of the fixed rod 31 under the action of the expansion spring 33, the sliding rod 32 cannot slide out of the fixed rod 31 and fall off under the action of the limiting groove 52 and the limiting pin, after the sliding rod 32 slides out, the bottom of the sliding rod 32 is clamped with the clamping block 35 at the bottom side of the hydraulic rod 2, the sliding rod 32 is clamped tightly and is not easy to loosen under the action of the fixed shaft 34 and the rubber block 36, the sliding block 61 is tightly abutted against the side wall of the sliding rod 32 by rotating the screw rod 62, and because one side of the sliding rod 32 and one side of the sliding block 61 are both in a toothed structure, the sliding rod 32 cannot slide in the fixed rod 31 under the action of the sliding block 61, make dead lever 31 and slide bar 32 play the reinforced effect of support between hydraulic stem 2 and the supporting legs 1, prevent to take place to bend deformation between dead lever 31 and the slide bar 32, cause the crane to turn on one's side, when not using dead lever 31, through accomodating slide bar 32, then rotate dead lever 31, make dead lever 31 and supporting legs 1 be the horizontality, then hang fixed axle 34 and couple 42 bottom slide bar 32, make dead lever 31 can not rotate, the effect of accomodating and depositing dead lever 31 and slide bar 32 has been played, conveniently finely tune the position of couple 42 under compression spring 41's effect, thereby conveniently hang with fixed axle 34.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a full-automatic anti-tilt device of crane, includes four supporting legs (1) and installs in four hydraulic stem (2) of supporting legs (1) one end, its characterized in that: the hydraulic rod (2) is vertically connected with one end of the supporting leg (1); the supporting mechanisms (3) are respectively installed at the bottoms of the four supporting legs (1), each supporting mechanism (3) further comprises a fixing rod (31), a sliding rod (32), a telescopic spring (33), a fixing shaft (34), a clamping block (35), a rubber block (36) and a contact spring (37), one end of each fixing rod (31) is rotatably connected with one end of the bottom of each supporting leg (1), and one end of each sliding rod (32) is connected with the other end of each fixing rod (31) in a sliding mode; one end of the sliding rod (32) is provided with the telescopic spring (33), and one end of the telescopic spring (33) is connected with the inside of the fixing rod (31); the fixed shaft (34) is installed on the inner side of the other end of the sliding rod (32), and the clamping block (35) is installed on one side of the bottom of the hydraulic rod (2); the two symmetrically distributed rubber blocks (36) are arranged inside the clamping block (35), one end of each rubber block (36) is of an arc-shaped structure, the other end of each rubber block (36) is provided with the corresponding abutting spring (37), and the rubber blocks (36) are connected with the inside of the clamping block (35) in a sliding mode through the abutting springs (37); the other end of slide bar (32) with fixture block (35) outside block, fixed axle (34) with the inside block of fixture block (35), just fixed axle (34) lateral wall and two rubber block (36) one end is contradicted, the other end lateral wall internally mounted of dead lever (31) has conflict mechanism (6).

2. The fully automatic anti-tipping device for cranes according to claim 1, wherein: conflict mechanism (6) include slider (61), slider (61) with the inside sliding connection of the other end lateral wall of dead lever (31), just one side of slider (61) is dentate structure, one side of slide bar (32) is dentate structure, one side of slider (61) run through in dead lever (31) with slide bar (32) one side is contradicted.

3. The fully automatic anti-tipping device for crane according to claim 2, wherein: conflict mechanism (6) still include lead screw (62), the one end of lead screw (62) run through in dead lever (31) extend to the inside of slider (61), lead screw (62) with slider (61) inside rotation is connected, lead screw (62) with dead lever (31) lateral wall threaded connection.

4. The fully automatic anti-tipping device for cranes according to claim 1, wherein: the other end lateral wall internally mounted of dead lever (31) has stop gear (5), stop gear (5) include the spacer pin, the spacer pin with the inside sliding connection of dead lever (31), the bottom of spacer pin is the triangle-shaped structure.

5. The fully automatic anti-tipping device for cranes according to claim 4, wherein: the limiting mechanism (5) further comprises an extrusion spring (53), the extrusion spring (53) is installed at the top of the limiting pin, and the top of the extrusion spring (53) is connected with the inner side of the fixing rod (31).

6. The fully automatic anti-tipping device for cranes according to claim 5, wherein: the limiting mechanism (5) further comprises a limiting groove (52), the limiting groove (52) is of a triangular structure, the limiting groove (52) is formed in one end side wall of the sliding rod (32), and the bottom of the limiting pin penetrates through the fixing rod (31) and is abutted to the inside of the limiting groove (52).

7. The fully automatic anti-tipping device for cranes according to claim 1, wherein: four fixed establishment (4) are installed to the one end bottom side of supporting legs (1), fixed establishment (4) include compression spring (41) and couple (42), compression spring (41) install in the one end lateral wall of supporting legs (1), the one end of couple (42) with the compression spring (41) other end is connected.