CN216038372U

CN216038372U - Quick positioner of lower pulley block

Info

Publication number: CN216038372U
Application number: CN202121600395.0U
Authority: CN
Inventors: 张国柱
Original assignee: Dalian Guoxing Construction Machinery Co ltd
Current assignee: Dalian Guoxing Construction Machinery Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-03-15
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a quick positioning device for a lower pulley block, which comprises a bottom plate, a first adjusting and positioning unit and a driving unit, wherein the first adjusting and positioning unit is arranged on the bottom plate; a bottom plate: the upper surface of the upper part is provided with trapezoidal plates which are transversely and symmetrically distributed; adjusting and positioning the first unit: the adjustable plate comprises an adjusting frame, a rotating column and a threaded sleeve, wherein the left end and the right end of the adjusting frame are respectively connected with a sliding chute arranged in the middle of a trapezoidal plate in a sliding mode through a sliding block, the middle of a transverse plate body on the left side of the upper end of the adjusting frame is connected with the rotating column in a sliding mode through a sliding hole, the middle of the transverse plate body on the right side of the upper end of the adjusting frame is connected with the threaded sleeve in a rotating mode through a first bearing, and the inside of the threaded sleeve is in threaded connection with the right end of the rotating column; a drive unit: the upper end face of the driving unit is provided with a screw rod, the upper end of the screw rod is in threaded connection with a threaded cylinder, the upper end face of the threaded cylinder is fixedly connected with the lower surface of the adjusting frame, and the lower pulley block quick positioning device enables a worker to be more convenient and quick when positioning pulley blocks.

Description

Quick positioner of lower pulley block

Technical Field

The utility model relates to the technical field of pulley blocks, in particular to a quick positioning device for a lower pulley block.

Background

The pulley block is a simple machine assembled by a plurality of movable pulleys and fixed pulleys, labor can be saved, and the force application direction can be changed, the demand of people is more and more large along with the popularization of the pulley block, and therefore a quick positioning device for the lower pulley block is urgently needed to meet the daily use requirements of people;

at present, when a lower pulley block is positioned, workers are generally adopted to manually adjust the lower pulley block, and the positioning is performed through visual inspection, so that the positioning accuracy is often not high enough, and therefore a quick positioning device for the lower pulley block is needed to improve the positioning accuracy;

the existing quick positioning device for the lower pulley block is not convenient and quick enough when a worker positions, is not good enough in accuracy after positioning, and is not time-saving and labor-saving enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a quick positioning device for a lower pulley block, so that a worker can more conveniently and quickly position the pulley block, and the problems in the background art can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a quick positioning device for a lower pulley block comprises a bottom plate, a first adjusting and positioning unit and a driving unit;

a bottom plate: the upper surface of the upper part is provided with trapezoidal plates which are transversely and symmetrically distributed;

adjusting and positioning the first unit: the adjustable plate comprises an adjusting frame, a rotating column and a threaded sleeve, wherein the left end and the right end of the adjusting frame are respectively connected with a sliding chute arranged in the middle of a trapezoidal plate in a sliding mode through a sliding block, the middle of a transverse plate body on the left side of the upper end of the adjusting frame is connected with the rotating column in a sliding mode through a sliding hole, the middle of the transverse plate body on the right side of the upper end of the adjusting frame is connected with the threaded sleeve in a rotating mode through a first bearing, and the inside of the threaded sleeve is in threaded connection with the right end of the rotating column;

a drive unit: set up in the upper surface of bottom plate, drive unit's up end is equipped with the lead screw, and the upper end threaded connection of lead screw has a screw thread section of thick bamboo, and the up end of a screw thread section of thick bamboo is connected with the lower fixed surface of alignment jig for the staff is more convenient and fast enough when the assembly pulley of location, has improved the accuracy of location, makes the user conveniently fix a position the assembly pulley, and the person of facilitating the use uses, has reached labour saving and time saving's effect.

Furthermore, the first adjusting and positioning unit further comprises a rotating wheel, and the rotating wheel is rotatably connected to the middle of the rotating column through a second bearing, so that the positioning accuracy is improved.

Further, drive unit includes fluted disc, fixed block, action bars and gear, the fluted disc rotates through the pivot to be connected in the upper surface of bottom plate, and the upper surface front end of bottom plate is equipped with the fixed block, and the downthehole third bearing that rotates through of commentaries on classics that the fixed block upper end set up is connected with the action bars, and the rear end face of action bars is equipped with the gear, and the gear is connected with the fluted disc meshing, and the up end middle part of fluted disc is equipped with the lead screw, has reached labour saving and time saving's effect.

Furthermore, the rear surface left and right sides of the transverse plate body at the lower end of the adjusting frame is provided with a connecting block, the upper surface left and right sides of the bottom plate is provided with a guide post, and the upper end of the guide post is respectively connected with a sliding opening arranged in the middle of the connecting block in a sliding manner, so that the pulley block is more stable when in use.

Furthermore, springs are respectively arranged between the opposite inner side surfaces of the connecting block and the bottom plate, and the springs are respectively movably sleeved with the outer arc surfaces of the guide posts to avoid rigid contact.

Furthermore, an oil brushing box is arranged on the upper surface of the transverse plate body at the lower end of the adjusting frame, the interior of the oil brushing box is in sliding connection with the outer arc surface of the rotating wheel, and the service life of the pulley block is prolonged.

Furthermore, the handle is arranged on the right side of the outer arc surface of the threaded sleeve, so that the operation of workers is facilitated.

Compared with the prior art, the utility model has the beneficial effects that: this quick positioner of lower pulley block has following benefit:

1. when needing the location the staff at first holds the handle and rotates, drive the thread bush corotation when the handle corotation, because the left end and the alignment jig sliding connection of rotation post, and then make the rotation post can only the axis remove, then can be continuous when the thread bush clockwise rotation with its threaded connection's rotation post from the thread bush in screw-thread bush and remove to the left side, stop the twist grip after the runner removes to suitable position, when the runner needs turn right side regulation, the staff only need the reversal twist grip can, thereby make the staff more convenient and fast enough when the location assembly pulley, the accuracy of location has been improved.

2. When the height of assembly pulley needs to be positioned, the staff holds the action bars and rotates, when the action bars corotation makes to drive the gear corotation, because the gear is connected with the fluted disc meshing, drive fluted disc and lead screw while with amplitude antiport when the gear is clockwise rotatory, because lead screw and screw thread section of thick bamboo threaded connection, the continuous downward spiral shell of screw thread section of thick bamboo can be gone into when anticlockwise rotation of lead screw, and then make alignment jig and its affiliated mechanism downstream simultaneously, until after removing to suitable height, stop the rotation action bars, when needing runner rebound, only need the reversal action bars can, thereby make the user can conveniently fix a position the assembly pulley, the person of facilitating the use uses, time saving and labor saving's effect has been reached.

Drawings

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

fig. 2 is a schematic structural diagram of a driving unit according to the present invention.

In the figure: the device comprises a base plate 1, a trapezoidal plate 2, a first adjusting and positioning unit 3, an adjusting frame 31, a rotating column 32, a threaded sleeve 33, a rotating wheel 34, a driving unit 4, a toothed disc 41, a fixed block 42, an operating rod 43, a gear 44, a screw rod 5, a threaded cylinder 6, a connecting block 7, a guide column 8, a spring 9, an oil brushing box 10 and a handle 11.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: a quick positioning device for a lower pulley block comprises a bottom plate 1, a first adjusting and positioning unit 3 and a driving unit 4;

bottom plate 1: the bottom plate 1 provides a supporting and fixing place for the auxiliary mechanism units, trapezoidal plates 2 which are transversely and symmetrically distributed are arranged on the upper surface of the bottom plate, and the bottom plate 1 plays a role in guiding, supporting and sliding;

adjusting the first positioning unit 3: the adjustable positioning unit I3 further comprises a rotating wheel 34, the rotating wheel 34 is rotatably connected to the middle of the rotating column 32 through a second bearing, the threaded sleeve 33 rotates forwards, the left end of the rotating column 32 is slidably connected with the adjusting frame 31 through a first bearing, the rotating column 32 only can move axially, when the threaded sleeve 33 rotates clockwise, the rotating column 32 connected with the threaded sleeve 33 through threads continuously extrudes out of the threaded sleeve 33 and moves leftwards until the rotating wheel 34 moves to a proper position, and then the rotating column stops rotating, when the rotating wheel 34 needs to be adjusted to the right, a worker only needs to rotate the threaded sleeve 33 reversely, so that the worker can position the pulley block more conveniently and quickly, and the positioning accuracy is improved;

the drive unit 4: the upper end face of the driving unit 4 is provided with a screw rod 5, the upper end of the screw rod 5 is in threaded connection with a threaded cylinder 6, the upper end face of the threaded cylinder 6 is fixedly connected with the lower surface of the adjusting frame 31, the driving unit 4 comprises a fluted disc 41, a fixed block 42, an operating rod 43 and a gear 44, the fluted disc 41 is rotatably connected with the upper surface of the base plate 1 through a rotating shaft, the fixed block 42 is arranged at the front end of the upper surface of the base plate 1, the operating rod 43 is rotatably connected in a rotating hole arranged at the upper end of the fixed block 42 through a third bearing, the gear 44 is arranged at the rear end face of the operating rod 43, the gear 44 is in meshed connection with the fluted disc 41, the screw rod 5 is arranged in the middle of the upper end face of the fluted disc 41, when the height of the pulley block needs to be positioned, a worker holds the operating rod 43 and rotates, when the operating rod 43 rotates clockwise to drive the gear 44 to rotate forwardly, because the gear 44 is in meshed connection with the fluted disc 41, the fluted disc 41 and the gear 44 drives the fluted disc 41 and the screw rod 5 to rotate reversely at the same amplitude at the same time when the gear 44 rotates clockwise, because lead screw 5 and a screw thread section of thick bamboo 6 threaded connection, screw 5 screw thread section of thick bamboo 6 can be continuous screw in downwards when anticlockwise rotation, and then make alignment jig 31 and additional mechanism downstream simultaneously, until after removing to suitable height, stop rotatory action bars 43, when runner 34 rebound that needs, only need reversal action bars 43 can, thereby make the user can conveniently fix a position the assembly pulley, the person of facilitating the use uses, labour saving and time saving's effect has been reached.

Wherein: the rear surface left and right sides of the horizontal plate body of alignment jig 31 lower extreme all is equipped with connecting block 7, the upper surface left and right sides of bottom plate 1 all is equipped with guide post 8, the upper end of guide post 8 respectively with the sliding opening sliding connection that the middle part of connecting block 7 set up, alignment jig 31 is connecting block 7 then can be followed guide post 8's axis when removing and is removed, and then plays the effect that the direction removal was supported to alignment jig 31 for it is more stable when the assembly pulley uses.

Wherein: the springs 9 are respectively arranged between the opposite inner side surfaces of the connecting block 7 and the bottom plate 1, the springs 9 are respectively movably sleeved with the outer arc surfaces of the guide columns 8, and the springs 9 utilize the characteristics of the springs to avoid rigid contact.

Wherein: the upper surface of the transverse plate body at the lower end of the adjusting frame 31 is provided with the oil brushing box 10, the inside of the oil brushing box 10 is in sliding connection with the outer arc surface of the rotating wheel 34, the oil brushing box 10 plays a role in brushing oil, and the service life of the pulley block is prolonged.

Wherein: the handle 11 is arranged on the right side of the outer arc surface of the threaded sleeve 33, when positioning is needed, a worker firstly holds the handle 11 and rotates the handle 11, and when the handle 11 rotates forwards, the threaded sleeve 33 is driven to rotate forwards, so that the worker can operate the tool conveniently.

The working principle of the quick positioning device for the lower pulley block provided by the utility model is as follows: when positioning is needed, a worker firstly holds the handle 11 and rotates, when the handle 11 rotates forwards, the threaded sleeve 33 is driven to rotate forwards, as the left end of the rotating column 32 is connected with the adjusting frame 31 in a sliding manner, the rotating column 32 can only move axially, when the threaded sleeve 33 rotates clockwise, the rotating column 32 connected with the threaded sleeve can be continuously screwed out of the threaded sleeve 33 and moves leftwards, until the rotating wheel 34 moves to a proper position, the rotating handle 11 is stopped, when the rotating wheel 34 needs to be adjusted rightwards, the worker only needs to rotate the rotating handle 11 reversely, so that the worker can more conveniently and quickly position the pulley block, the positioning accuracy is improved, when the height of the pulley block needs to be positioned later, the worker holds the operating rod 43 and rotates, when the operating rod 43 rotates forwards, the gear 44 is driven to rotate forwards, as the gear 44 is meshed with the fluted disc 41, the gear 44 drives the fluted disc 41 and the screw rod 5 to reversely rotate in the same amplitude and the same amplitude simultaneously when rotating clockwise, because the screw rod 5 is in threaded connection with the screw cylinder 6, the screw cylinder 6 can be continuously screwed in when the screw rod 5 rotates anticlockwise, so that the adjusting frame 31 and the accessory mechanism thereof simultaneously move downwards, until the adjusting frame moves to a proper height, the rotating operation rod 43 is stopped, when the rotating wheel 34 needs to move upwards, only the rotating operation rod 43 needs to be reversed, so that a user can conveniently position the pulley block, the use by the user is convenient, the time and labor are saved, the connecting block 7 can move along the axis of the guide column 8 when the adjusting frame 31 moves, the adjusting frame 31 is guided to move and support, the pulley block is more stable when being used, the spring 9 avoids rigid contact by utilizing the characteristics of the spring 9, and the oil brushing box 10 plays a role of oil brushing, the service life of the pulley block is prolonged.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a quick positioner of lower pulley block which characterized in that: comprises a bottom plate (1), a first adjusting and positioning unit (3) and a driving unit (4);

base plate (1): the upper surface of the box body is provided with trapezoidal plates (2) which are transversely and symmetrically distributed;

adjusting the first positioning unit (3): the novel trapezoidal plate comprises an adjusting frame (31), a rotating column (32) and a threaded sleeve (33), wherein the left end and the right end of the adjusting frame (31) are respectively in sliding connection with a sliding groove arranged in the middle of a trapezoidal plate (2) through a sliding block, the middle of a transverse plate body on the left side of the upper end of the adjusting frame (31) is in sliding connection with the rotating column (32) through a sliding hole, the middle of the transverse plate body on the right side of the upper end of the adjusting frame (31) is rotatably connected with the threaded sleeve (33) through a first bearing, and the inside of the threaded sleeve (33) is in threaded connection with the right end of the rotating column (32);

drive unit (4): the upper end face of the driving unit (4) is provided with a screw rod (5), the upper end of the screw rod (5) is connected with a threaded cylinder (6) in a threaded manner, and the upper end face of the threaded cylinder (6) is fixedly connected with the lower surface of the adjusting frame (31).

2. The quick positioning device for a lower pulley block as claimed in claim 1, wherein: the first adjusting and positioning unit (3) further comprises a rotating wheel (34), and the rotating wheel (34) is rotatably connected to the middle of the rotating column (32) through a second bearing.

3. The quick positioning device for a lower pulley block as claimed in claim 1, wherein: drive unit (4) include fluted disc (41), fixed block (42), action bars (43) and gear (44), fluted disc (41) rotate through the pivot and connect in the upper surface of bottom plate (1), and the upper surface front end of bottom plate (1) is equipped with fixed block (42), and the downthehole third bearing rotation that passes through of commentaries on classics of fixed block (42) upper end setting is connected with action bars (43), and the rear end face of action bars (43) is equipped with gear (44), and gear (44) are connected with fluted disc (41) meshing, and the up end middle part of fluted disc (41) is equipped with lead screw (5).

4. The quick positioning device for a lower pulley block as claimed in claim 1, wherein: the rear surface left and right sides of the transverse plate body at the lower end of the adjusting frame (31) is provided with a connecting block (7), the upper surface left and right sides of the bottom plate (1) is provided with a guide column (8), and the upper end of the guide column (8) is respectively connected with a sliding opening arranged in the middle of the connecting block (7) in a sliding manner.

5. The quick positioning device for a lower pulley block as claimed in claim 4, wherein: springs (9) are respectively arranged between the opposite inner side faces of the connecting block (7) and the bottom plate (1), and the springs (9) are respectively movably sleeved with the outer arc faces of the guide columns (8).

6. The quick positioning device for a lower pulley block as claimed in claim 2, wherein: an oil brushing box (10) is arranged on the upper surface of the transverse plate body at the lower end of the adjusting frame (31), and the interior of the oil brushing box (10) is in sliding connection with the outer arc surface of the rotating wheel (34).

7. The quick positioning device for a lower pulley block as claimed in claim 1, wherein: and a handle (11) is arranged on the right side of the outer arc surface of the threaded sleeve (33).