CN212450354U

CN212450354U - Hoisting machine convenient to adjust

Info

Publication number: CN212450354U
Application number: CN202020803345.1U
Authority: CN
Inventors: 朱永江; 杨保银
Original assignee: Shaoxing Shunkun Construction Co ltd
Current assignee: Shaoxing Shunkun Construction Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-02-02
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a hoisting machine convenient to adjust relates to the hoisting machine technique, aims at solving the motor and need keep the state of locking when the bottom plate rotates, causes the motor to have great work load, influences hoisting machine's life, and its technical scheme main points are: the bottom plate is provided with two support frames which are arranged in parallel, an I-shaped cylinder for winding the lifting rope is rotatably connected between the support frames, the bottom plate is provided with a driving assembly for driving the I-shaped cylinder to rotate, and two ends of the I-shaped cylinder are respectively and fixedly connected with a brake assembly and a limiting assembly for limiting the one-way rotation of the I-shaped cylinder. The utility model discloses a restriction subassembly makes the I-shaped section of thick bamboo unidirectional rotation to through telescopic cylinder, adjust arc extrusion I-shaped section of thick bamboo and still fix the I-shaped section of thick bamboo when driving motor stop work, alleviate driving motor's work load, improve hoisting machine's life.

Description

Hoisting machine convenient to adjust

Technical Field

The utility model relates to a loop wheel machine technique, more specifically say, it relates to a hoisting machine convenient to adjust.

Background

The small cranes in the current market are in a plurality of types, most of the small cranes are upright post supporting cranes, the structure of the small cranes mainly comprises a motor host, an upright post rod and a boom rod, the upright post supporting cranes support a roof to be fixed by the upright post rod, the boom rod extends out of a window, and a steel wire rope of a motor lifts a suspended object to a high altitude to enter a room through the combination of a pulley of a rotating arm sleeve and a pulley at the top end of the boom rod.

The Chinese patent with publication number CN210048402U discloses a crane convenient to control, which has the technical key points that: it includes the base, rotates on the bottom plate to be connected with the bottom plate, and the central point of bottom plate puts the pole setting that the department set firmly vertical setting, and the top of pole setting articulates there is a davit, is connected with drive bottom plate pivoted drive assembly on the bottom plate, the top of bottom plate is provided with the control button of the operating personnel operation of being convenient for, the bottom plate is located control button, and the bottom plate is located control button department and is provided with the operation panel, is provided with the backing plate that supplies operating personnel to sit on the operation panel.

Drive assembly drive bottom plate just rotates with those in the above-mentioned scheme to the accent of being convenient for adjust to the operation panel sets up on the bottom plate, makes things convenient for people's operation along with davit synchronous rotation, but lifting rope and lifting hook promote the object, when rotating the orientation that the davit was adjusted to the bottom plate, the hoist engine need provide all the time to the lifting rope provide the effort of dragging, rolling, causes the work load of hoist engine, influences the life of hoist engine.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a hoisting machine convenient to adjust makes the I-shaped section of thick bamboo unidirectional rotation through the restriction subassembly to through telescopic cylinder, adjust the arc extrusion I-shaped section of thick bamboo and when driving motor stop work, still fix the I-shaped section of thick bamboo, alleviate driving motor's work load, improve hoisting machine's life.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a hoisting machine convenient to adjust, includes the base and rotates the bottom plate of connecting on the base, be equipped with hoisting machine structure and operation panel on the bottom plate, hoisting machine structure includes stand, davit and is connected with the lifting rope through the assembly pulley, the bottom plate is equipped with two mutual parallel arrangement's support frame, it is connected with the I-shaped section of thick bamboo that is used for the rolling lifting rope to rotate between the support frame, be equipped with on the bottom plate and be used for driving I-shaped section of thick bamboo pivoted drive assembly, the both ends difference fixedly connected with brake assembly and the restriction I-shaped section of thick bamboo unidirectional rotation's of I-shaped.

Through adopting above-mentioned technical scheme, drive the I-shaped section of thick bamboo through drive assembly and carry out the rolling to the lifting rope, make the lifting rope pass through the assembly pulley, the setting of davit and stand, make the at the uniform velocity promotion under the effect of dragging of lifting rope of heavy object, through the rotation of restriction subassembly restriction I-shaped section of thick bamboo, make the lifting rope along with the bottom plate, when the davit rotates, the difficult condition that becomes flexible tenesmus that appears, and through brake assembly, fix the I-shaped section of thick bamboo, make when the bottom plate rotates, the I-shaped section of thick bamboo has good stability, thereby when having solved among the prior art hoisting machine and adjusting the davit orientation and drive the heavy object displacement, drive assembly need keep the problem of dragging to the lifting rope, alleviate drive assembly's work load, improve hoisting machine's life.

The utility model discloses further set up to: brake subassembly includes the slide of being connected with the restriction subassembly, the slide is L shape, the one end fixedly connected with arc piece of the orientation I-shaped section of thick bamboo of slide, the arc piece is offered towards one side of I-shaped section of thick bamboo and is used for holding the arc wall of I-shaped section of thick bamboo one end, fixedly connected with is used for driving the slide to the telescopic cylinder of I-shaped section of thick bamboo reciprocating sliding on the bottom plate, telescopic cylinder promotes the effort of slide extrusion I-shaped section of thick bamboo.

Through adopting above-mentioned technical scheme, when setting up through the slide promoted the slide along the plane slip of bottom plate at telescopic cylinder, can drive the arc spare and restrict the both ends of subassembly top tight I-shaped cylinder, because the arc wall is seted up towards the one end of I-shaped cylinder to the area of contact between increase arc spare and the I-shaped cylinder, and then extrude the I-shaped cylinder through the arc spare, improve the frictional force between arc spare and the I-shaped cylinder, restrict the rotation of I-shaped cylinder.

The utility model discloses further set up to: the periphery of I-shaped section of thick bamboo one end is equipped with the ratchet that a plurality of syntropy slopes set up, the restriction subassembly include hollow structure's stiff end and with stiff end sliding connection's flexible end, the one end fixedly connected with and the ratchet meshing's of flexible end stiff end dorsad limit the piece, be equipped with the elastic component that is located between slide and the flexible end in the stiff end, the elastic component provides the extrusion force of flexible end towards I-shaped section of thick bamboo direction all the time.

By adopting the technical scheme, the ratchets which are obliquely arranged are distributed on the annular array at one end of the I-shaped cylinder, the limiting block meshed with the ratchets is arranged on the telescopic end of the limiting component, when the sliding seat is pushed by the telescopic cylinder, the fixed end, the telescopic end and the limiting block extrude the ratchets, the rotation of the I-shaped cylinder is further limited, and when the I-shaped cylinder is driven to rotate by the driving component in a natural state, the limiting block can be extruded through the ratchets, the telescopic end can slide in the fixed end in a reciprocating manner, and when the lifting rope is naturally rolled or loosened, a damping effect can be provided, so that the lifting rope can move at a constant speed.

The utility model discloses further set up to: drive assembly is including rotating the driving motor who connects in the axis of rotation between two support frames and with the axis of rotation connection, the I-shaped cylinder cover locate the axis of rotation outside and with axis of rotation fixed connection, two the support frame rotates towards the one end of stand and is connected with the guide lifting rope along the wire assembly that I-shaped cylinder axial direction moved that resets.

Through adopting above-mentioned technical scheme, driving motor drives the axis of rotation and rotates for the I-shaped section of thick bamboo can be at the uniform velocity just reverse rotation under driving motor's effect, and through the wire assembly that is located I-shaped section of thick bamboo one side, can play the guide effect to the lifting rope when the rolling lifting rope, more even when making the lifting rope rolling to the I-shaped section of thick bamboo.

The utility model discloses further set up to: the wire assembly comprises a reciprocating screw rod and a nut seat, the reciprocating screw rod is rotatably connected between the two support frames, the reciprocating screw rod is in transmission connection with the rotating shaft, and the nut seat is fixedly connected with a guide wheel in sliding connection with a lifting rope.

Through adopting above-mentioned technical scheme, the transmission is connected between reciprocal lead screw and the axis of rotation for when driving motor drives axis of rotation and I-shaped wheel pair lifting rope and carries out the rolling operation, reciprocal lead screw can rotate along with the axis of rotation is synchronous, because nut seat sliding connection is on reciprocal lead screw, thereby drive the leading wheel and carry out reciprocal displacement along the length direction toward the multifilament pole, and then improve the roughness of lifting rope rolling, when the rolling with relax the lifting rope, more smoothly high-efficient.

The utility model discloses further set up to: the outer fixedly connected with transmission dish of axis of rotation, fixedly connected with driven plate on the reciprocal lead screw, be connected through the drive belt transmission between driven plate and the transmission dish.

Through adopting above-mentioned technical scheme, through the setting through transmission dish and driven plate to realize being connected of transmission dish and driven plate through driving belt, when the axis of rotation rotated under driving motor's drive, drive reciprocal lead screw through the driven plate and rotate, realize going on in step of nut seat and lifting rope rolling operation, improve the work efficiency of lifting rope rolling work.

The utility model discloses further set up to: a plurality of limiting grooves used for containing lifting ropes are distributed on the peripheral wall of the I-shaped cylinder in an array mode, and the upper end of the supporting frame is connected with a plurality of reinforcing rods located above the I-shaped cylinder through bolts.

By adopting the technical scheme, the limiting grooves distributed in an array mode outside the working barrel can position the lifting rope when the lifting rope is wound, the contact area between the lifting rope and the I-shaped barrel is increased, the connection strength of the lifting rope and the I-shaped barrel is further improved, and the lifting rope can be stably displaced when the lifting rope is wound or loosened.

The utility model discloses further set up to: the brake block is characterized in that an embedding groove communicated with the arc groove is formed in the arc piece, an L-shaped brake block is connected in the embedding groove in a clamping mode, and one side, facing the I-shaped cylinder, of the brake block is attached to the peripheral wall and the side wall of the I-shaped cylinder respectively.

Through adopting above-mentioned technical scheme, because caulking groove and arc wall intercommunication for the brake block can realize being connected with the arc through the caulking groove, and the brake block is L shape, enables its one end and inlays in the embedding portion and laminating and the arc wall in, when the arc extrudees the end of an I-shaped section of thick bamboo under telescopic cylinder's pushing action, can improve the frictional force between arc and the I-shaped section of thick bamboo, and then improves the braking effect to an I-shaped section of thick bamboo.

To sum up, the utility model discloses following beneficial effect has:

because the ratchets which are obliquely arranged are distributed on one end of the I-shaped cylinder in an annular array mode, and the limiting block meshed with the ratchets is arranged on the telescopic end of the limiting component, when the sliding seat is pushed by the telescopic cylinder, the fixed end, the telescopic end and the limiting block extrude the ratchets, the rotation of the I-shaped cylinder is further limited, and when the I-shaped cylinder is driven to rotate by the driving component in a natural state, the limiting block can be extruded by the ratchets, so that the telescopic end slides in the fixed end in a reciprocating mode, and when the lifting rope is naturally wound or loosened, a damping effect can be provided, and the lifting rope can move at a constant.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

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

fig. 4 is an enlarged schematic view of a portion B of fig. 2.

In the figure: 1. a base; 2. a base plate; 3. a column; 4. a suspension arm; 5. a support frame; 6. an I-shaped cylinder; 7. a slide base; 8. an arcuate member; 9. an arc-shaped slot; 10. a telescopic cylinder; 11. a ratchet; 12. a fixed end; 13. a telescopic end; 14. a limiting block; 15. a rotating shaft; 16. a drive motor; 17. a reciprocating screw rod; 18. a nut seat; 19. a guide wheel; 20. a drive plate; 21. a driven plate; 22. a limiting groove; 23. a reinforcing bar; 24. and (4) caulking grooves.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A hoisting machine convenient to adjust is disclosed, as shown in figures 1 and 2, and comprises a base 1 and a bottom plate 2 rotatably connected on the base 1, saw teeth distributed in an array are formed on the peripheral wall of the bottom plate 2, the bottom plate 2 is driven to rotate on the base 1 through a gear and a motor, a hoisting mechanism and an operation platform are fixedly connected on the bottom plate 2 through a welding mode, the hoisting mechanism comprises a stand column 3, a suspension arm 4 and a suspension rope connected through a pulley block, two support frames 5 arranged in parallel are welded on the bottom plate 2, an I-shaped cylinder 6 used for winding the suspension rope is rotatably connected between the support frames 5 through a rotating shaft 15, a plurality of limiting grooves 22 used for containing the suspension rope are distributed on the peripheral wall of the I-shaped cylinder 6 in an array mode, a reinforcing rod 23 is connected between the two support frames 5 through a bolt connection mode, two ends of the reinforcing rod 23 respectively abut against the side walls of the support frames 5, and a driving component used, and two ends of the I-shaped cylinder 6 are respectively and fixedly connected with a brake component and a limiting component for limiting the unidirectional rotation of the I-shaped cylinder 6.

As shown in fig. 1 and fig. 2, the driving assembly comprises a rotating shaft 15 and a driving motor 16, an output end of the driving motor 16 passes through the supporting frame 5 and is fixedly connected with the rotating shaft 15 through a coupling, the i-shaped cylinder 6 is sleeved outside the rotating shaft 15 and is fixedly connected with the rotating shaft 15 through a flat key connection mode, one end of each of the two supporting frames 5 facing the upright post 3 is rotatably connected with a wire guiding assembly for guiding a lifting rope to be wound outside the i-shaped cylinder 6, the wire guiding assembly comprises a reciprocating lead screw 17 and a nut seat 18, the reciprocating lead screw 17 is rotatably connected between the two supporting frames 5, a driven disc 21 is fixedly connected on the reciprocating lead screw 17 through a flat key connection mode, a driving disc 20 is fixedly connected outside the rotating shaft 15, a driving belt sleeved with the driving disc 20 and the driven disc 21 realizes synchronous rotation of the reciprocating lead screw 17 and the rotating shaft 15, and a guide rod penetrating through the nut seat, the guide rod is used for limiting the rotation of the nut seat 18 and guiding the nut seat 18 to reciprocate along the length direction of the reciprocating screw rod 17, and a guide wheel 19 connected with a lifting rope in a sliding manner is fixedly connected to the nut seat 18 in a bolt connection manner, in the embodiment, the reciprocating screw rod 17 is a reciprocating shaft.

As shown in fig. 2 and 3, the brake assembly includes a sliding base 7 connected to the limiting assembly, the bottom surface of the sliding base 7 is slidably connected to the bottom plate 2, and the sliding base 7 is L-shaped, one end of the sliding base 7 facing the i-shaped barrel 6 is fixedly connected to an arc-shaped member 8 by welding, and the arc-shaped member 8 is turned towards one side of the i-shaped barrel 6 to form an arc-shaped groove 9 contacting with the circumferential wall of one end of the i-shaped barrel 6, so that the flat section of the arc-shaped member 8 is L-shaped, the arc-shaped surface of the arc-shaped groove 9 is attached to the circumferential wall of one end of the i-shaped barrel 6, the arc-shaped member 8 is provided with an embedding groove 24 communicating with the arc-shaped groove 9, the L-shaped brake block is clamped with the arc-shaped member 8 by the embedding groove 24, one side of the brake block facing the i-shaped barrel 6 is respectively attached to the circumferential wall and the side wall of the i-shaped, the telescopic cylinder 10 pushes the slide seat 7 to extrude the acting force of the I-shaped cylinder 6.

As shown in fig. 2 and 4, the outer circumference of one end of the i-shaped cylinder 6 is turned to form a plurality of ratchet teeth 11 which are obliquely arranged in the same direction, the limiting assembly comprises a fixed end 12 with a hollow structure and a telescopic end 13 which is slidably connected with the fixed end 12, one end of the fixed end 12 is fixedly connected with the sliding base 7 in a welding manner, a compression spring is placed inside the fixed end 12 to serve as an elastic part, one end of the telescopic end 13, which is positioned inside the fixed end 12, is bonded with the compression spring, and one end of the telescopic end 13, which is opposite to the fixed end 12, is fixedly connected with a limiting block 14 which is meshed with the ratchet teeth 11 in a welding manner, in the embodiment, when the compression spring is in a natural state, the compression spring presses the telescopic end.

The working process is as follows: the telescopic cylinder 10 is driven to drive the arc-shaped part 8 to be separated from the I-shaped cylinder 6, the limiting block 14 is kept in a state of being meshed with the ratchet 11 at one end of the I-shaped cylinder 6 under the extrusion acting force provided by the elastic part, when the lifting rope is wound, the ratchet 11 intermittently extrudes the limiting block 14, the telescopic end 13 intermittently slides in the fixed end 12, the limiting block 14 is meshed with the ratchet 11 to limit the reverse rotation of the I-shaped cylinder 6, namely, the downward displacement of a heavy object under the action of gravity is limited, when the driving motor 16 is started to drive the I-shaped cylinder 6 to rotate through the rotating shaft 15 to wind the lifting rope on the I-shaped cylinder 6, as the plurality of limiting grooves 22 are distributed on the I-shaped cylinder 6 in an array manner, the lifting rope can be limited in the limiting grooves 22 when being wound, as the rotating shaft 15 and the reciprocating screw rod 17 are in transmission connection through a transmission belt, a transmission wheel and a driven wheel, the reciprocating screw rod 17 can synchronously rotate, so that the nut seat 18 which is in threaded connection with the reciprocating screw rod 17 can perform reciprocating displacement under the limiting and guiding action of the guide rod, the lifting rope can be uniformly wound on the I-shaped cylinder 6 when the guide wheel 19 is driven, the winding flatness of the lifting rope is improved, the phenomenon that the I-shaped cylinder 6 is not easy to shake in the rotating process when a subsequent heavy object is lifted is not easy to occur, the lifting stability of the heavy object is improved, when the bottom plate 2 is rotated, the telescopic cylinder 10 is driven, the limiting block 14 is extruded on the ratchet 11 at one end of the I-shaped cylinder 6, the arc part is extruded on the other end of the I-shaped cylinder 6, the brake blocks positioned in the embedded groove 24 and the arc groove 9 can be extruded on the I-shaped cylinder 6, further, the I-shaped cylinder 6 is kept fixedly connected with the mounting frame under the limiting action of the limiting block 14 and the arc part 8, and the lifting rope is not easy to, further, the movement of the driving motor 16 can be stopped, the work load of the driving motor 16 is reduced, and the service life of the hoisting machine is prolonged.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a hoisting machine convenient to adjust, includes base (1) and rotates bottom plate (2) on connecting base (1), be equipped with hoisting machine structure and operation panel on bottom plate (2), hoisting machine constructs including stand (3), davit (4) and is connected with the lifting rope through the assembly pulley, its characterized in that: the lifting rope winding device is characterized in that the bottom plate (2) is provided with two support frames (5) which are arranged in parallel, an I-shaped cylinder (6) used for winding a lifting rope is rotatably connected between the support frames (5), a driving assembly used for driving the I-shaped cylinder (6) to rotate is arranged on the bottom plate (2), and the two ends of the I-shaped cylinder (6) are respectively and fixedly connected with a brake assembly and a limiting assembly used for limiting the one-way rotation of the I-shaped cylinder (6).

2. A hoisting machine convenient to adjust as claimed in claim 1, characterized in that: brake subassembly includes slide (7) of being connected with the restriction subassembly, slide (7) are L shape, the one end fixedly connected with arc (8) of the orientation I-shaped section of thick bamboo (6) of slide (7), arc (8) are offered towards one side of I-shaped section of thick bamboo (6) and are used for holding arc wall (9) of I-shaped section of thick bamboo (6) one end, fixedly connected with is used for driving slide (7) to the telescopic cylinder (10) of I-shaped section of thick bamboo (6) reciprocating sliding on bottom plate (2), telescopic cylinder (10) provide the effort that promotes slide (7) extrusion I-shaped section of thick bamboo (6).

3. A hoisting machine convenient to adjust as claimed in claim 2, characterized in that: the periphery of I-shaped section of thick bamboo (6) one end is equipped with ratchet (11) that a plurality of syntropy slopes set up, the restriction subassembly include hollow structure's stiff end (12) and with stiff end (12) sliding connection's flexible end (13), the one end fixedly connected with of stiff end (12) is dorsad to flexible end (13) and ratchet (11) meshing's restriction piece (14), be equipped with the elastic component that is located between slide (7) and flexible end (13) in stiff end (12), the elastic component provides the extrusion force of flexible end (13) towards I-shaped section of thick bamboo (6) direction all the time.

4. A hoisting machine convenient to adjust as claimed in claim 2, characterized in that: the driving assembly comprises a rotating shaft (15) connected between the two support frames (5) in a rotating mode and a driving motor (16) connected with the rotating shaft (15), the I-shaped cylinder (6) is sleeved outside the rotating shaft (15) and fixedly connected with the rotating shaft (15), and the two support frames (5) are rotatably connected with a wire assembly guiding the lifting rope to reciprocate along the axial direction of the I-shaped cylinder (6) towards one end of the upright column (3).

5. A hoisting machine convenient to adjust as claimed in claim 4, characterized in that: the wire assembly comprises a reciprocating screw rod (17) and a nut seat (18), the reciprocating screw rod (17) is rotatably connected between the two support frames (5), the reciprocating screw rod (17) is in transmission connection with the rotating shaft (15), and the nut seat (18) is fixedly connected with a guide wheel (19) which is in sliding connection with a lifting rope.

6. A hoisting machine convenient to adjust as claimed in claim 5, characterized in that: the outer fixedly connected with transmission dish (20) of axis of rotation (15), fixedly connected with driven plate (21) on reciprocal lead screw (17), be connected through the drive belt transmission between driven plate (21) and transmission dish (20).

7. A hoisting machine convenient to adjust as claimed in claim 4, characterized in that: a plurality of limiting grooves (22) used for containing lifting ropes are distributed on the peripheral wall of the I-shaped cylinder (6) in an array mode, and the upper end of the support frame (5) is connected with a plurality of reinforcing rods (23) located above the I-shaped cylinder (6) through bolts.

8. A hoisting machine convenient to adjust as claimed in claim 2, characterized in that: an embedding groove (24) communicated with the arc groove (9) is formed in the arc-shaped piece (8), an L-shaped brake block is connected in the embedding groove (24) in a clamping mode, and the brake block is attached to the peripheral wall and the side wall of the I-shaped cylinder (6) towards one side of the I-shaped cylinder (6) respectively.