CN219156364U

CN219156364U - Auxiliary arm bracket of crane

Info

Publication number: CN219156364U
Application number: CN202320110533.XU
Authority: CN
Inventors: 刘辉
Original assignee: FUJIAN KEJIE LIFTING MACHINERY CO LTD
Current assignee: FUJIAN KEJIE LIFTING MACHINERY CO LTD
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-06-09
Anticipated expiration: 2033-01-17

Abstract

The utility model provides a crane auxiliary arm bracket which comprises a support rod, wherein two portal joists are hinged to the support rod. In the utility model, two gate-shaped joists forming a V shape are rotationally connected on the joist, the top of each gate-shaped joist lifts a cantilever, the cantilever is in a horizontal state, the two gate-shaped joists can lift the height of the cantilever when swinging upwards, otherwise, the cantilever is controlled to descend, at the moment, one end of the cantilever is aligned with one end of a main arm, and then the vertical pipe and a driving rotating shaft rotating with the vertical pipe are conveniently detached and spliced, the vertical pipe is fixedly provided with the vertical pipe and is connected with a connecting disc in a sliding way, the connecting disc is rotationally connected with the two gate-shaped joists through a connecting rod, the driving rotating shaft and the connecting disc penetrate through and are rotationally connected, the rotation of the driving rotating shaft is controlled to control the change of an included angle between the two gate-shaped joists, and the cantilever lifting device has the advantages of being convenient to operate, and greatly improving the detachment and docking efficiency compared with the auxiliary arm which is detached and docked by adopting a simple crane in the prior art.

Description

Auxiliary arm bracket of crane

Technical Field

The utility model relates to the technical field of crane equipment, in particular to a crane auxiliary arm bracket.

Background

According to the condition of working conditions, the auxiliary arm is selected and matched with the crane at present, the top parts of the auxiliary arm and the main arm are detachably connected through a pin roll, and are in a folded state after rotating, and are attached to one side of the main arm and then supported by an auxiliary arm bracket; in view of this, there is an urgent need in the market for a sub-arm bracket that can assist in docking and undocking of the sub-arm and the main arm.

To this end, the utility model provides a crane jib carrier.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a crane auxiliary arm bracket which solves the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a hoist auxiliary arm bracket, includes the die-pin, the last articulated two portal joists that have of die-pin, two portal joists constitute the V-arrangement, the middle part fixedly connected with riser of die-pin, sliding connection has connection pad and layer board about this riser, the layer board is located the top of connection pad, the connection pad passes through one side swivelling joint of connecting rod and portal joist, the bottom of riser is provided with the drive pivot that is used for controlling the synchronous subtend of layer board and connection pad and reverse motion.

Furthermore, two parallel guide posts are welded on the lower end surface of the supporting plate, a guide sleeve which is connected with the guide posts in a sliding way is welded on the peripheral wall of the vertical pipe, and a sliding hole which is connected with the guide posts in a sliding way is formed in the connecting disc.

Further, the middle parts of the driving rotating shaft and the connecting disc penetrate through and are connected in a screwed mode, a lead screw is welded on the lower end face of the supporting plate, and a screw hole connected with the lead screw in a screwed mode is formed in the top of the driving rotating shaft.

Further, a handle is welded at the bottom of the driving rotating shaft.

Furthermore, the inside welding of door-shaped joist has the connecting axle, the one end welding of connecting rod has the cover to establish at the outside adapter sleeve of connecting axle, and the other end of this connecting rod is articulated with the periphery wall of connection pad.

Further, a first baffle plate positioned at two ends is welded on the cross beam of the door-shaped joist.

Furthermore, a rubber sleeve is sleeved on the cross beam.

Further, the supporting plate is fixedly connected with a second baffle plate positioned at two ends.

Further, the upper end face of the supporting plate is adhered with a rubber pad.

The utility model has the beneficial effects that: the utility model relates to a crane auxiliary arm bracket, which comprises a supporting rod; a door-shaped joist; a connecting shaft; a cross beam; a first baffle; a riser; a guide sleeve; a connecting disc; a sliding sleeve; a supporting plate; a guide post; a screw rod; a second baffle; a connecting rod; connecting sleeves; driving the rotating shaft; a wire opening; a handle bar; a rubber sleeve; rubber cushion.

The two door-shaped joists forming a V shape are rotationally connected on the joist, the top parts of the two door-shaped joists lift the cantilever, the cantilever is in a horizontal state, the two door-shaped joists can lift the height of the cantilever when swinging upwards, otherwise, the cantilever is controlled to descend, at the moment, one end of the cantilever is aligned with one end of the main arm, so that the bolt is convenient to detach and insert, a vertical pipe and a driving rotating shaft rotating with the vertical pipe are fixedly arranged on the joist, the connecting disc is connected to the vertical pipe in a vertical sliding mode, the connecting disc is connected with the two door-shaped joists in a rotating mode through the connecting rod, the driving rotating shaft and the connecting disc penetrate through the rotary connection mode, the rotation of the driving rotating shaft is controlled, the change of an included angle between the two door-shaped joists can be controlled, operation is convenient, compared with the prior art, the auxiliary dismounting and butt joint auxiliary arm of a crane is simply adopted, and the bracket has the advantages of greatly improving the dismounting and butt joint efficiency of the auxiliary arm and the main arm.

Drawings

FIG. 1 is a schematic diagram of the cooperation structure of a supporting rod, a door-shaped supporting beam, a vertical pipe, a connecting disc, a supporting plate, a connecting rod and a driving rotating shaft;

FIG. 2 is a schematic view of the pallet and riser of the present utility model after explosive deployment;

FIG. 3 is a schematic view of the bottom view of the drive shaft and the door-shaped joist according to the present utility model;

in the figure: 1. a supporting rod; 2. a door-shaped joist; 21. a connecting shaft; 22. a cross beam; 221. a first baffle; 3. a riser; 31. a guide sleeve; 4. a connecting disc; 5. a supporting plate; 51. a guide post; 52. a screw rod; 53. a second baffle; 6. a connecting rod; 61. connecting sleeves; 7. driving the rotating shaft; 71. a wire opening; 72. a handle bar; 8. a rubber sleeve; 9. rubber cushion.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 3, the present utility model provides a technical solution: a bracket of a crane auxiliary arm comprises a supporting rod 1, one end of the supporting rod 1 is welded with a mounting seat, the mounting seat is fixedly connected with the middle part of one side of a main arm through a bolt, two door-shaped supporting beams 2 are hinged on the supporting rod 1, the two door-shaped supporting beams 2 form a V shape, the top of the V shape is used for supporting the auxiliary arm, when the auxiliary arm is lifted, the gravity center of the auxiliary arm is positioned between the two door-shaped supporting beams 2, the middle part of the supporting rod 1 is fixedly connected with a vertical pipe 3, the vertical pipe 3 is connected with a connecting disc 4 and a supporting plate 5 in an up-down sliding manner, the supporting plate 5 is positioned above the connecting disc 4, in particular, the lower end surface of the supporting plate 5 is welded with two parallel guide posts 51, the outer peripheral wall of the vertical pipe 3 is welded with a guide sleeve 31 which is connected with the guide posts 51 in a sliding manner, a sliding hole which is connected with the guide posts 51 is formed on the connecting disc 4, the connecting disc 4 is connected with one side of the door-shaped supporting beams 2 in a rotating manner through a connecting rod 6, the connecting disc 4 moves up and down to drive the included angle between the two door-shaped joists 2 to change, specifically, the inner side of the door-shaped joist 2 is welded with a connecting shaft 21, one end of a connecting rod 6 is welded with a connecting sleeve 61 sleeved outside the connecting shaft 21, the other end of the connecting rod 6 is hinged with the peripheral wall of the connecting disc 4, the bottom of a vertical pipe 3 is provided with a driving rotating shaft 7 for controlling the synchronous opposite and reverse movement of a supporting plate 5 and the connecting disc 4, the included angle between the two door-shaped joists 2 can lift the height of an auxiliary arm when being reduced, otherwise, the height of the auxiliary arm is reduced, at the moment, one end of the auxiliary arm is aligned with one end of a main arm through the adjustment (the auxiliary arm and the main arm are hinged with each other through a pin shaft to be aligned), then the connection of the main arm and the auxiliary arm can be realized through inserting a pin, the included angle between the two door-shaped joists 2 is controlled to be greatly increased after the connection, the supporting plate 5 is far away from the auxiliary arm and approaches the auxiliary arm, at this time, the connection part between the single supporting plate 5 and the auxiliary arm and the main arm is used for supporting the whole auxiliary arm, so that the stability of the support is improved (two-point support), and the auxiliary arm rotates to one side attached to the main arm when not in use, and the auxiliary arm has a certain lower swing amount after being attached to the main arm due to a certain elastic deformation, so that the supporting plate 5 is controlled to rise to support the auxiliary arm, and the supporting rod 1 in the prior art is of a fixed structure and does not have the effect of supporting the auxiliary arm.

In this embodiment, the middle parts of the driving shaft 7 and the connecting disc 4 are connected through screwing, the middle part of the connecting disc 4 is provided with an internal thread, the lower end surface of the supporting plate 5 is welded with a screw rod 52, the top of the driving shaft 7 is provided with a screw hole 71 connected with the screw rod 52 in screwing, the screw direction of the screw hole 71 is opposite to that of the internal thread, the bottom of the driving shaft 7 is further welded with a handle 72, and the handle 72 is manually held to rotate so as to control the up-and-down movement of the supporting plate 5 and the connecting disc 4 by using screwing.

In this embodiment, the beam 22 of the door-shaped joist 2 is welded with the first baffle 221 at two ends, the first baffle 221 plays a role in preventing falling, the further beam 22 is sleeved with the rubber sleeve 8, and the rubber sleeve 8 plays a role in damping.

In this embodiment, the second baffle 53 at two ends is fixedly connected to the supporting plate 5, so as to play a role in preventing falling off, and the rubber pad 9 is adhered to the upper end surface of the further supporting plate 5, so that the rubber pad 9 plays a role in damping.

When the auxiliary arm attached to one side of the main arm needs to be detached, the manual control handle 72 rotates, the connecting disc 4 is driven to move upwards by utilizing the screwing action, meanwhile, the lead screw 52 moves downwards, the supporting plate 5 moves downwards, the connecting disc 4 moves upwards to drive the two door-shaped joists 2 to swing upwards to lift the auxiliary arm through the connecting rod 6, at the moment, the bolts between the auxiliary arm and the main arm can be separated easily, then the separated auxiliary arm is directly lifted by using the crane, the auxiliary arm is convenient to detach, and the quick butt joint of the auxiliary arm and the main arm is realized by adopting the reverse step.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a hoist auxiliary arm bracket, includes die-pin (1), its characterized in that, it has two portal joists (2) to articulate on die-pin (1), two portal joists (2) constitute the V-arrangement, the middle part fixedly connected with riser (3) of die-pin (1), and sliding connection has connection pad (4) and layer board (5) about this riser (3), layer board (5) are located the top of connection pad (4), one side rotation connection of connection pad (4) through connecting rod (6) and portal joists (2), the bottom of riser (3) is provided with driving spindle (7) that are used for controlling synchronous subtend and reverse motion of layer board (5) and connection pad (4).

2. The crane jib bracket of claim 1 wherein: the lower end face of the supporting plate (5) is welded with two parallel guide posts (51), the outer peripheral wall of the vertical pipe (3) is welded with a guide sleeve (31) which is in sliding connection with the guide posts (51), and the connecting disc (4) is provided with a sliding hole which is in sliding connection with the guide posts (51).

3. A crane jib carrier according to claim 2, characterized in that: the middle parts of the driving rotating shaft (7) and the connecting disc (4) are connected in a penetrating and screwing mode, a lead screw (52) is welded on the lower end face of the supporting plate (5), and a screw opening (71) connected with the lead screw (52) in a screwing mode is formed in the top of the driving rotating shaft (7).

4. A crane jib carrier according to claim 3, characterized in that: the bottom of the driving rotating shaft (7) is welded with a handle bar (72).

5. The crane jib bracket of claim 1 wherein: the inside welding of door-shaped joist (2) has connecting axle (21), the one end welding of connecting rod (6) has cover to establish at connecting axle (21) outside adapter sleeve (61), and the other end of this connecting rod (6) is articulated with the periphery wall of connection pad (4).

6. The crane jib bracket of claim 1 wherein: the cross beam (22) of the door-shaped joist (2) is welded with first baffle plates (221) at two ends.

7. The crane jib bracket of claim 6 wherein: and a rubber sleeve (8) is sleeved on the cross beam (22).

8. The crane jib bracket of claim 1 wherein: and the supporting plate (5) is fixedly connected with second baffle plates (53) positioned at two ends.

9. The crane jib bracket of claim 8 wherein: the upper end face of the supporting plate (5) is adhered with a rubber pad (9).