CN209872225U - Lifting device for construction machinery - Google Patents

Abstract

The utility model discloses a lifting device of construction machinery, which comprises a base and a connecting piece, wherein the top of the base is fixedly provided with a vertical plate, the top end of the vertical plate is provided with a pulley block, the left side surface of the vertical plate is fixedly provided with a fixed cylinder, the right end of the inner side wall of the fixed cylinder is fixedly provided with an internal thread ring, the inner side wall of the fixed cylinder is slidably provided with a cylinder block, the right end of the cylinder block is fixedly provided with a stud, the left end of the cylinder block is fixedly provided with a rotating rod, the left end of the rotating rod penetrates through the left wall of the inner cavity of the fixed cylinder and is fixedly provided with a limiting device, and the left end of the limiting device is fixedly provided with a turntable. No separate operation of the operator's hands is required.

Description

Lifting device for construction machinery

Technical Field

The utility model relates to a elevating gear technical field specifically is construction machinery elevating gear.

Background

The lifting device is a hoisting machine for vertically conveying people or objects, the characteristic that the lifting device freely lifts is widely applied to municipal maintenance, cargo transportation at wharfs and logistics centers, building decoration and the like at present, the working height space is changed, the crank of the conventional lifting device is fixed by inserting an insertion rod into a jack of a turntable at the end part of the crank, but because a heavy object lifts the handle, an operator needs to hold the crank by two hands together, and the insertion rod is inconvenient to insert into the jack, so the lifting device for the building machine is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a construction machinery elevating gear to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: construction machinery elevating gear, including base and connecting piece, the top fixed mounting of base has the riser, the top of riser is equipped with the assembly pulley, the left surface fixed mounting of riser has a solid fixed cylinder, the inside wall right-hand member fixed mounting of solid fixed cylinder has the internal thread ring, the inside wall slidable mounting of solid fixed cylinder has the cylinder piece, the right-hand member fixed mounting of cylinder piece has the double-screw bolt, the left end fixed mounting of cylinder piece has the bull stick, the left end of bull stick runs through the inner chamber left wall fixed mounting of solid fixed cylinder and has stop device, stop device's left end fixed mounting has the carousel, stop device's top fixed mounting has the one end of haulage rope, the other end of haulage rope passes assembly pulley fixed mounting on the top of connecting piece, the bottom of connecting piece is equipped with.

Preferably, stop device includes elliptical rod and change, both ends difference fixed mounting is on the right side of carousel and the left end of change bar about the elliptical rod, the inside wall slidable mounting of change is on the lateral wall of elliptical rod, the lateral wall of change is equipped with the annular, slidable mounting has the ring in the annular, the lateral wall bottom fixed mounting of ring has the one end of connecting rod, the other end fixed mounting of connecting rod is in the bottom of solid fixed cylinder.

Preferably, the pulley block comprises a mounting seat and a bolt, the mounting seat is fixedly mounted at the top end of the vertical plate through the bolt, one end of a mounting rod is fixedly mounted at each of the left end and the right end of the mounting seat, and a fixed pulley is arranged at the other end of the mounting rod.

Preferably, the connecting piece includes the pole setting, the quantity of pole setting is four, four the bottom of pole setting is fixed mounting respectively in the top four corners department of elevating platform, the top fixed mounting of pole setting has solid fixed ring, gu fixed ring goes up fixed mounting and has the connection rope, the top fixed mounting who connects the rope is on the haulage rope.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an install solid fixed cylinder in the left side of riser, the inside of solid fixed cylinder is equipped with the internal thread ring, and solid fixed cylinder inside slidable mounting has the cylinder piece, the double-screw bolt is installed to the right-hand member of cylinder piece, the left end of cylinder piece is equipped with the bull stick, stop device is installed to the left end of bull stick, when rotating the bull stick, can make the haulage rope winding on stop device, after the elevating platform raises the completion, can promote the rotation right, and make the double-screw bolt spiro union in the internal thread ring, accomplish the rigidity of bull stick and elevating platform, this kind of fixed mode is compared in the mode that the inserted bar inserted the jack more laborsaving convenience, do not need operating personnel's both hands to separately operate.

Stop device comprises elliptical rod, change, ring and connecting rod, lies in the annular of change lateral wall through the ring, and the middle part elliptical hole of change cup joints on the elliptical rod, and the haulage rope is connected on the change, and when the change rotates, the change can rotate along with the change, and when the change that moves right the change, the change can not move right owing to the existence of connecting rod, and then avoids the vertical end of haulage rope to change.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic view of the present invention at a.

In the figure: 1. the base, 2, the riser, 3, the solid fixed cylinder, 4, the internal thread ring, 5, the cylinder piece, 6, the double-screw bolt, 7, the bull stick, 8, stop device, 9, the carousel, 10, the haulage rope, 11, the assembly pulley, 12, the connecting piece, 13, the elevating platform, 14, the elliptical rod, 15, the bull stick, 16, the annular, 17, the ring, 18, the connecting rod, 19, the mount pad, 20, the bolt, 21, the installation pole, 22, the fixed pulley, 23, connect the rope, 24, the pole setting, 25, solid fixed ring.

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 and 2, the lifting device for construction machinery comprises a base 1 and a connecting piece 12, wherein a vertical plate 2 is fixedly installed at the top of the base 1, a pulley block 11 is arranged at the top end of the vertical plate 2, a fixed cylinder 3 is fixedly installed on the left side surface of the vertical plate 2, the interior of the fixed cylinder 3 is a cylindrical cavity, an internal threaded ring 4 is fixedly installed at the right end of the inner side wall of the fixed cylinder 3, a cylindrical block 5 is slidably installed on the inner side wall of the fixed cylinder 3, a stud 6 is fixedly installed at the right end of the cylindrical block 5, the stud 6 can be screwed into the internal threaded ring 4, a rotating rod 7 is fixedly installed at the left end of the cylindrical block 5, a limiting device 8 is fixedly installed at the left end of the rotating rod 7, the limiting device 8 is used for preventing a traction rope 10 from moving left and right along with the rotating rod 7 (when the stud 6 is, the top end of the limiting device 8 is fixedly provided with one end of a traction rope 10, the other end of the traction rope 10 penetrates through a pulley block 11 and is fixedly arranged at the top end of a connecting piece 12, and the bottom end of the connecting piece 12 is provided with a lifting platform 13.

Specifically, the limiting device 8 comprises an elliptical rod 14 and a rotating ring 15, the left end and the right end of the elliptical rod 14 are respectively fixedly installed at the right side of the rotating disc 9 and the left end of the rotating rod 7, the inner side wall of the rotating ring 15 is slidably installed on the side wall of the elliptical rod 14, the middle hole of the rotating ring 15 is also elliptical, the rotating ring 15 can rotate along with the rotating rod 7, the outer side wall of the rotating ring 15 is provided with an annular groove 16, a circular ring 17 is slidably installed in the annular groove 16, one end of a connecting rod 18 is fixedly installed at the bottom end of the outer side wall of the circular ring 17, the connecting rod 18 is used for limiting the position of the rotating ring 15, the rotating ring 15 is prevented from moving left and right along with the elliptical rod 14, the other end of the connecting rod 18 is fixedly installed at the bottom of the fixed cylinder 3, the rotating disc 9 is rotated, the elliptical rod 14 drives the rotating ring 15 to rotate, the traction rope, the stud 6 is moved to the right to contact the internal threaded ring 4, and the rotary table 9 is rotated to enable the stud 6 to be screwed in the internal threaded ring 4.

Particularly, assembly pulley 11 includes mount pad 19 and bolt 20, and mount pad 19 passes through bolt 20 fixed mounting on the top of riser 2, and the equal fixed mounting in both ends has the one end of installation pole 21 about mount pad 19, and the other end of installation pole 21 is equipped with fixed pulley 22, through bolt 20 and mount pad 19, conveniently installs assembly pulley 11 on the top of riser 2, can make two vertical parts of haulage rope 10 keep vertical state through two fixed pulleys 22, guarantees rising smoothly of elevating platform 13.

Particularly, connecting piece 12 includes pole setting 24, the quantity of pole setting 24 is four, four pole setting 24's bottom difference fixed mounting is in the top four corners department of elevating platform 13, the top fixed mounting of pole setting 24 has solid fixed ring 25, gu fixed ring 25 goes up fixed mounting has connection rope 23, the top fixed mounting of connecting rope 23 is on haulage rope 10, the tradition all is the bottom lug connection through four connection ropes 10 in elevating platform 13's top four corners department, when taking out the material in elevating platform 13, connect rope 10 owing to be in the state of putting to one side, shelter from the top of elevating platform 13 easily, the taking out of inconvenient material, through setting up pole setting 24, the space of multiplicable elevating platform 13 top, make things convenient for taking out of material.

The working principle is as follows: during the use, carousel 9 is held to operating personnel both hands and is rotated, makes elliptical rod 14 drive swivel 15 and rotate, makes haulage rope 10 twine on the lateral wall of swivel 15, and then rises elevating platform 13, and after elevating platform 13 risees, promote carousel 9 right, makes double-screw bolt 6 move right, contacts interior threaded ring 4, rotates carousel 9, makes double-screw bolt 6 spiro union in interior threaded ring 4, accomplishes the fixed of elevating platform 13, and the personnel of eminence take out the material in elevating platform 13 can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Construction machinery elevating gear, including base (1) and connecting piece (12), its characterized in that: the top of the base (1) is fixedly provided with a vertical plate (2), the top end of the vertical plate (2) is provided with a pulley block (11), the left side surface of the vertical plate (2) is fixedly provided with a fixed cylinder (3), the right end of the inner side wall of the fixed cylinder (3) is fixedly provided with an internal thread ring (4), the inner side wall of the fixed cylinder (3) is slidably provided with a cylindrical block (5), the right end of the cylindrical block (5) is fixedly provided with a stud (6), the left end of the cylindrical block (5) is fixedly provided with a rotating rod (7), the left end of the rotating rod (7) penetrates through the left wall of the inner cavity of the fixed cylinder (3) and is fixedly provided with a limiting device (8), the left end of the limiting device (8) is fixedly provided with a turntable (9), the top end of the limiting device (8) is fixedly provided with one end of a traction rope (10), and the other end of the traction rope (10, the bottom end of the connecting piece (12) is provided with a lifting platform (13).

2. The construction machine lifting device according to claim 1, wherein: stop device (8) include elliptical rod (14) and change (15), both ends difference fixed mounting is on the right side of carousel (9) and the left end of change bar (7) about elliptical rod (14), the inside wall slidable mounting of change (15) is on the lateral wall of elliptical rod (14), the lateral wall of change (15) is equipped with annular (16), slidable mounting has ring (17) in annular (16), the lateral wall bottom fixed mounting of ring (17) has the one end of connecting rod (18), the other end fixed mounting of connecting rod (18) is in the bottom of solid fixed cylinder (3).

3. The construction machine lifting device according to claim 1, wherein: the pulley block (11) comprises a mounting seat (19) and a bolt (20), the mounting seat (19) is fixedly mounted at the top end of the vertical plate (2) through the bolt (20), one end of a mounting rod (21) is fixedly mounted at the left end and the right end of the mounting seat (19), and a fixed pulley (22) is arranged at the other end of the mounting rod (21).

4. The construction machine lifting device according to claim 1, wherein: connecting piece (12) are including pole setting (24), the quantity of pole setting (24) is four, four the bottom of pole setting (24) is fixed mounting respectively in the top four corners department of elevating platform (13), the top fixed mounting of pole setting (24) has solid fixed ring (25), gu fixed ring (25) go up fixed mounting have connect rope (23), the top fixed mounting of connecting rope (23) is on haulage rope (10).