CN213326515U

CN213326515U - Novel lifting device

Info

Publication number: CN213326515U
Application number: CN202021290026.1U
Authority: CN
Inventors: 郭伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-06-01
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a novel lifting device, which comprises a transmission seat, a lifting column and an adjustable lifting accessory; the transmission seat comprises a reduction gearbox and two connecting seats arranged on the reduction gearbox; the bottom end of the lifting column is fixedly connected with a connecting seat and is in transmission connection with an output shaft of the reduction gearbox; the adjustable lifting accessory is positioned on one side of the lifting column and is connected with the top end of the lifting column; the adjustable lifting accessory comprises a guide plate, a bearing seat and an adjusting mechanism arranged between the guide plate and the bearing seat; the utility model has the advantages of reasonable design, convenient to use is nimble, can effectively adapt to the initial position of lifting by crane of object in the use.

Description

Novel lifting device

Technical Field

The utility model belongs to the technical field of lifting means, concretely relates to novel lifting device.

Background

When the object is lifted and lowered in a lifting mode, the lifting is mostly completed by adopting an electric push rod or a hydraulic rod to be matched with a lifting accessory, the initial lifting position of the object is different, the corresponding lifting accessory needs to be replaced, the replacement of the lifting accessory increases the workload, the replacement operation is time-consuming, and inconvenience is brought to practical application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel lifting device aiming at the defects in the prior art; the device is flexible and convenient to use, and can effectively adapt to the initial lifting position of an object in the using process.

In order to achieve the above object, the utility model adopts the following technical scheme:

a novel lifting device, comprising:

the transmission seat comprises a reduction gearbox and two connecting seats arranged on the reduction gearbox;

the bottom end of the lifting column is fixedly connected with a connecting seat and is in transmission connection with an output shaft of the reduction gearbox; and

the adjustable lifting accessory is positioned on one side of the lifting column and connected with the top end of the lifting column.

Further, the adjustable lifting accessory comprises a guide plate, a bearing seat and an adjusting mechanism arranged between the guide plate and the bearing seat.

Furthermore, the adjusting mechanism comprises a guide hole arranged on the guide plate, racks arranged on the guide plate and positioned at two sides of the guide hole, and two pressing plates clamped on two plate surface sides of the guide plate and connected through a bolt-nut connecting piece; one of the pressure plates is matched with the rack, tooth grooves meshed with the rack are formed in the matching surface of the pressure plates and the rack, and the bearing seat is connected to one of the pressure plates.

Furthermore, the adjusting mechanism comprises a guide hole arranged on the guide plate, an I-shaped sliding block which is positioned in the guide hole and matched with the guide hole, and an adjusting screw rod which is in threaded fit with the I-shaped sliding block and two ends of which are hinged on the guide plate; the adjusting screw rod is provided with a T-shaped thread, one end of the adjusting screw rod is provided with a control hole, and the bearing seat is connected to the I-shaped sliding block.

Furthermore, a dovetail-shaped guide strip is arranged on the outer wall of the lifting column, and a sliding block matched with the dovetail-shaped guide strip is arranged on the guide plate.

Furthermore, the two connecting seats are formed by connecting a flange and a reduction gearbox, and the two connecting seats are arranged on the reduction gearbox in parallel or the central lines of the two connecting seats form a certain included angle.

Furthermore, the lifting column comprises a fixed cylinder, a movable cylinder which is embedded in the fixed cylinder and can axially slide, a transmission screw rod which is positioned in the movable cylinder and one end of which is connected with the output shaft of the reduction gearbox, and a nut sleeve which is arranged on the movable cylinder and is in threaded fit with the transmission screw rod; the inner wall of the fixed cylinder is provided with sliding grooves distributed along the axial direction of the fixed cylinder, and the outer wall of the nut sleeve is provided with a sliding strip matched with the sliding grooves.

Furthermore, the outer wall of the fixed cylinder is provided with an ear plate.

The utility model has the advantages that:

1. the bearing seat of the adjustable lifting accessory is matched with the lifting position of the object, and the bearing seat can carry out lifting adjustment of the initial position relative to the guide plate, so that the change of the initial lifting position of the object can be effectively adapted, and the convenience in use is further improved;

2. the adjusting mechanism in the utility model can realize the position adjustment of the bearing seat relative to the guide plate through the matching of the pressing plate and the rack, and realizes the locking or unlocking of the pressing plate through controlling the bolt-nut connecting piece in the operation process, thereby having simple and convenient operation and low manufacturing cost; in the utility model, the other adjusting mechanism utilizes the thread matching of the I-shaped slider and the adjusting screw to realize the position adjustment of the bearing seat relative to the guide plate, only the adjusting screw needs to be rotated in the operation process, the use is convenient, and the adjustment of the bearing seat at any position on the guide plate can be realized;

3. the transmission seat of the utility model combines the structure of the reduction box, the reduction box can be connected with an external motor to realize the lifting control of the movable cylinder, the reduction box can promote the torque of the transmission screw rod, so that the movable cylinder can bear larger axial acting force, and the whole device can be applied to the lifting control of a large-load object;

4. the utility model discloses utilize the transmission seat to be connected with ground or other fixtures, promote the object through bearing the seat, can make up the use at the practical application in-process, also can the exclusive application, in using more nimble.

Drawings

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

FIG. 2 is a schematic view of the adjustable lifting accessory of FIG. 1 in the direction A;

FIG. 3 is a schematic structural view of the mating state of the dovetail-shaped guide strip and the slide block in the direction B-B in FIG. 1;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

fig. 5 is a schematic view of the C-C guide plate and the i-shaped slider and structure of fig. 4.

Wherein: 1-a reduction gearbox; 2-a connecting seat; 3-a guide plate; 4-a bearing seat; 5-a guide hole; 6-a rack; 7-bolt-nut connections; 8-pressing a plate; 9-an i-shaped slider; 10-adjusting the screw; 11-a control hole; 12-dovetail guide strips; 13-a slide block; 14-a fixed cylinder; 15-a movable cylinder; 16-a drive screw; 17-nut sleeves; 18-a chute; 19-a slide bar; 20-ear plate.

Detailed Description

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

Example one

As shown in fig. 1 to 3, a novel lifting device comprises a driving seat, a lifting column and an adjustable lifting accessory.

Wherein the content of the first and second substances,

the transmission seat is used for realizing the connection with an external object or the ground, so that the whole device is kept fixed; the transmission seat comprises a reduction gearbox 1 and two connecting seats 2 arranged on the reduction gearbox 1; the reduction box 1 can adopt a worm gear mechanism to realize speed change and can also adopt other gear speed change mechanisms; the input shaft end of the reduction gearbox 1 is connected with an external motor; the reduction gearbox 1 is controlled to act through a motor; the two connecting seats 2 are formed by connecting a flange with the reduction gearbox 1, and the two connecting seats 2 are arranged on the reduction gearbox 1 in parallel or the central lines of the two connecting seats 2 form a certain included angle; when the two connecting seats 2 are arranged in parallel, the connection with the plane is facilitated, and the vertical shape of the lifting column is kept; and the central lines of the two connecting seats 2 form a certain included angle, for example, an included angle of 90 degrees, so that the transmission seat can be fixedly connected with the wall surface, and the vertical shape of the lifting column is also kept.

The lifting column controls the adjustable lifting accessories to lift synchronously through lifting action; the bottom end of the lifting column is fixedly connected with a connecting seat 2 and is in transmission connection with a reduction gearbox 1; specifically, the lifting column comprises a fixed cylinder 14 fixedly connected with a connecting seat 2, a movable cylinder 15 which is embedded in the fixed cylinder 14 and can axially slide, a transmission screw 16 which is positioned in the movable cylinder 15 and one end of which is connected with an output shaft of the reduction gearbox 1, and a nut sleeve 17 which is arranged on the movable cylinder 15 and is in threaded fit with the transmission screw 16; the inner wall of the fixed cylinder 14 is provided with sliding grooves 18 distributed along the axial direction of the fixed cylinder, the outer wall of the nut sleeve 17 is provided with sliding strips 19 matched with the sliding grooves 18, and the sliding grooves 18 and the sliding strips 19 are matched to realize circumferential fixation of the nut sleeve 17, so that the transmission screw 16 can axially move the nut sleeve 17.

The adjustable lifting accessory is used for realizing the lifting operation of the object under the driving of the lifting column; the adjustable lifting accessory is positioned on one side of the lifting column and is connected with the top end of the lifting column; specifically, the adjustable lifting accessory comprises a guide plate 3, a bearing seat 4 and an adjusting mechanism arranged between the guide plate and the bearing seat; one end of the guide plate 3 is bent and fixedly connected with the top end of the movable cylinder 15, the surface of the guide plate 3 is parallel to the axial lead of the movable cylinder 15, and the other end of the guide plate 3 is close to the reduction gearbox 1; the whole bearing seat 4 is plate-shaped and horizontally arranged; the adjusting mechanism comprises a strip-shaped guide hole 5 arranged on the guide plate 3, a rack 6 arranged on the guide plate 3 and positioned at two sides of the guide hole 5, and two pressing plates 8 clamped on two plate surface sides of the guide plate 3 and connected through a bolt-nut connecting piece 7; one pressure plate 8 is matched with the rack 6, a tooth groove meshed with the rack 6 is formed in the matching surface, and the bearing seat 4 is connected to one pressure plate 8; the bolt-nut connecting piece 7 is an assembly of a bolt and a nut, the two pressing plates 8 can approach and press the two plate surfaces of the guide plate 3 through the thread matching of the bolt and the nut, at the moment, one pressing plate 8 is matched with the rack 6 and keeps longitudinal fixation, the bolt-nut connecting piece 7 can also enable the two pressing plates 8 to be far away from each other, so that the one pressing plate 8 is separated from the rack 6, and the pressing plate 8 can move on the guide plate 3 at the moment to realize the position adjustment.

The guide plate 3 is in a cantilever state, so that the transmission is unstable; therefore, the outer wall of the fixed cylinder 14 can be provided with a guide strip 12 with a dovetail-shaped section, and the guide plate 3 is provided with a slide block 13 matched with the dovetail-shaped guide strip 12; the dovetail-shaped guide strip 12 and the sliding block 13 are matched to ensure that the guide plate 3 can keep stable in the lifting process relative to the fixed cylinder 14, so that the use safety is improved.

In order to keep the fixed cylinder 14 vertical and stable, the outer wall of the fixed cylinder 14 is provided with an ear plate 20; the ear plate 20 can be arranged in a plurality of circumferential directions on the fixed cylinder 14, and the fixed cylinder 14 can be ensured to be stable by connecting the ear plate 20 with an anchor rod on the ground through a steel wire rope, so that the use safety is improved.

The utility model discloses in the use: connecting and fixing a connecting seat 2 on the reduction gearbox 1 with the ground or a fixed platform; the reduction gearbox 1 is provided with a motor which is connected with an external control cabinet or other control parts; the lifting column is kept vertical and fixed firmly by connecting the lug plate 20 with an anchor rod on the ground through a steel wire rope; adjusting the lifting position of the object to be lifted according to the requirement, and adjusting the position of the bearing seat 4 on the guide plate 3; the adjustment operation of the carrying seat 4 is: loosening the bolt-nut connecting piece 7 to enable the pressing plate 8 to be separated from the matching with the rack 6, adjusting the pressing plate 8 to a proper position, and then screwing the bolt-nut connecting piece 7 to enable the pressing plate 8 to clamp the guide plate 3 and match with the rack 6, wherein the longitudinal position of the pressing plate 8 is fixed; the motor controls the reduction gearbox 1 to act, the reduction gearbox 1 drives the transmission screw 16 to rotate, the transmission screw 16 drives the nut sleeve 17 to ascend in the rotating process, the nut sleeve 17 drives the movable cylinder 15 to ascend relative to the fixed cylinder 14, the movable cylinder 15 drives the guide plate 3 to ascend, and the guide plate 3 can drive an object to ascend; when the output shaft of the motor control reduction box 1 rotates reversely, the transmission screw 16 can be driven to rotate reversely, and finally the guide plate 3 descends. The utility model discloses can a plurality of cooperations use in the in-service use process, for example two the device symmetries are laid and are used, or four are the surround form and lay and use.

Example two

As shown in fig. 4 and 5, on the basis of the first embodiment, the adjusting mechanism includes a guide hole 5 formed in the guide plate 3, an i-shaped slider 9 located in the guide hole 5 and engaged with the guide hole 5, and an adjusting screw 10 engaged with the i-shaped slider 9 by a thread and having two ends hinged to the guide plate 3; the adjusting screw 10 adopts T-shaped threads to realize a self-locking function, and two ends of the adjusting screw 10 are hinged on the guide plate 3 and are positioned in the guide hole; one end of the adjusting screw rod 10 is provided with a plurality of control holes 11, the control holes 11 are uniformly distributed in the circumferential direction of the adjusting screw rod 10, the adjusting screw rod 10 can be rotated by shoveling steel bars or other rod pieces, and the bearing seat 4 is connected to the I-shaped sliding block 9.

When adjusting the position that bears seat 4 relative deflector 3, usable control hole 11 drives adjusting screw 10 and rotates, and I-shaped slider 9 realizes the lift under the guide effect of guiding hole 5 on deflector 3 and removes, and this kind of structure can realize bearing the regulation of seat 4 optional position, and it can to operate in the position department of closing on the reducing gear box in the while operation, and is more convenient in the use.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A novel lifting device, comprising:

the transmission seat comprises a reduction gearbox (1) and two connecting seats (2) arranged on the reduction gearbox (1);

the bottom end of the lifting column is fixedly connected with a connecting seat (2) and is in transmission connection with an output shaft of the reduction gearbox (1); and

2. A new lifting device as defined in claim 1, characterised in that the adjustable lifting fitting comprises a guide plate (3), a carrier (4) and an adjusting mechanism arranged between the guide plate and the carrier.

3. A new lifting device as defined in claim 2, characterized in that the adjusting mechanism comprises a guide hole (5) provided on the guide plate (3), a rack (6) provided on the guide plate (3) and located on both sides of the guide hole (5), two press plates (8) clamped on both plate surface sides of the guide plate (3) and connected by means of a bolt-and-nut connection (7); one of the pressing plates (8) is matched with the rack (6), a tooth groove meshed with the rack (6) is formed in the matching surface, and the bearing seat (4) is connected to one of the pressing plates (8).

4. A new lifting device as claimed in claim 2, characterized in that said adjusting means comprise a guide hole (5) provided on the guide plate (3), an i-shaped slider (9) located in the guide hole (5) and cooperating with the guide hole (5), an adjusting screw (10) in threaded engagement with the i-shaped slider (9) and having both ends hinged to the guide plate (3); the adjusting screw rod (10) adopts T-shaped threads, one end of the adjusting screw rod (10) is provided with a control hole (11), and the bearing seat (4) is connected to the I-shaped sliding block (9).

5. A new lifting device as defined in any of claims 2 to 4, characterized in that the outer wall of the lifting column is provided with a dovetail-shaped guide strip (12), and the guide plate (3) is provided with a slide block (13) adapted to the dovetail-shaped guide strip (12).

6. A novel lifting device as claimed in claim 1, characterized in that both of said connecting seats (2) are formed by connecting a flange to the reduction gearbox (1), and that both of said connecting seats (2) are arranged in parallel on the reduction gearbox (1) or the center lines of both of said connecting seats (2) are arranged with a certain included angle.

7. A novel lifting device as claimed in claim 1, characterized in that the lifting column comprises a fixed cylinder (14), a movable cylinder (15) which is embedded in the fixed cylinder (14) and can slide axially, a transmission screw (16) which is positioned in the movable cylinder (15) and one end of which is connected with the output shaft of the reduction gearbox (1), and a nut sleeve (17) which is arranged on the movable cylinder (15) and is in threaded fit with the transmission screw (16); the inner wall of the fixed cylinder (14) is provided with sliding grooves (18) distributed along the axial direction of the fixed cylinder, and the outer wall of the nut sleeve (17) is provided with sliding strips (19) matched with the sliding grooves (18).

8. A new lifting device, as in claim 7, characterized in that the fixed cylinder (14) is provided, on its outer wall, with lugs (20).