CN217025107U

CN217025107U - Lifting machine

Info

Publication number: CN217025107U
Application number: CN202220881412.0U
Authority: CN
Inventors: 李德雨; 张玉梅; 张宇琛; 刘震; 于佳林; 李浩鑫; 赵传鑫
Original assignee: China Construction First Group Corp Ltd
Current assignee: China Construction First Group Corp Ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-22
Anticipated expiration: 2032-04-14

Abstract

The utility model relates to the technical field of building construction, in particular to a lifting machine which comprises a base, a support, a lifting arm, an adjustable supporting mechanism and an anti-deviation connecting mechanism, wherein the support is fixedly arranged on the base; the adjustable supporting mechanisms are symmetrically and fixedly arranged on two sides of the base; the anti-deviation connecting mechanism is fixedly arranged at one end, far away from the support, of the lifting arm, and a lifting rope between a pulley at the front end of the lifting arm and the lifting hook penetrates through the anti-deviation connecting mechanism. When the lifting machine is used on a non-horizontal ground, the adjustable supporting mechanism can be adjusted to move downwards until the bottom of the adjustable supporting mechanism is contacted with the ground to support the device, so that the lifting machine is convenient to use on the non-horizontal ground; in addition, prevent that skew coupling mechanism is fixed to be set up in the davit and keep away from the one end of support, when the lifting rope atress takes place to squint, prevent that skew coupling mechanism can drive the lifting rope and reset, prevent that it from taking place to squint in the use.

Description

Lifting machine

Technical Field

The utility model relates to the technical field of building construction, in particular to a lifting machine.

Background

The small-sized lifting machine is also called small-sized lifting machine, portable lifting machine and lifting machine, is a machine capable of transferring and changing objects, is suitable for lifting operation of high-rise buildings due to small volume and low manufacturing cost, such as lifting of various building materials and various decoration materials, and particularly has unique advantages on long-distance materials such as wood boards and blockboards which are inconvenient to carry in a corridor. Meanwhile, the device can also be used for the aspects of up-and-down machine tools of large workpieces in machining workshops, production assembly lines of home power plants and food factories, warehouses, home hoisting of articles and the like. Therefore, the small swing machine plays a great role in the use places such as small building installation, factory transportation, hydroelectric engineering and the like.

However, the small-sized crane in the prior art has the following defects during civil engineering construction: 1. when the small-sized lifting machine is used, the cable is easy to deviate when the object is stressed and shakes; 2. it is inconvenient for the device to be used on non-horizontal ground; 3. the noise that the device produced in the in-process motor is great.

In view of the above problems, a small-sized lifting machine with guiding and deviation-preventing effects for civil engineering is developed, which is a technical problem that needs to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lifting machine, which solves the problem that a lifting rope is easy to deviate when an article is stressed to shake in the use process of a small lifting machine.

The utility model provides a lifting machine which comprises a base, a support, a lifting arm, an adjustable supporting mechanism and an anti-deviation connecting mechanism, wherein the support is fixedly arranged on the base, and the lifting arm is hinged to one end, far away from the base, of the support; the adjustable supporting mechanisms are symmetrically and fixedly arranged on two sides of the base; the anti-deviation connecting mechanism is fixedly arranged at one end, far away from the support, of the lifting arm, and a lifting rope between a pulley at the front end of the lifting arm and the lifting hook penetrates through the anti-deviation connecting mechanism.

Preferably, the lifting device further comprises a winding mechanism, the winding mechanism is fixedly arranged at one end, far away from the base, of the support through a fixing plate, one end of the lifting rope is arranged on the winding mechanism, and the other end of the lifting rope is connected with the lifting hook after being guided by the pulley.

Preferably, in the technical solution, the anti-deviation connecting mechanism includes a connecting plate, a driving roller, a first limiting portion and a first spring bar, the connecting plate is fixedly arranged at one end of the suspension arm away from the bracket, a pair of round holes are symmetrically formed at two sides of the connecting plate, and the first limiting portion penetrates through the round holes and is fixedly connected with the driving roller; the first spring strip is sleeved on the outer side of the first limiting part, and two ends of the first spring strip are respectively abutted against the transmission roller and the inner side of the connecting plate.

Preferably, in the technical scheme, the first limiting part comprises a sliding rod, the sliding rod penetrates through the round hole to be fixedly connected with the transmission roller, and a limiting block is arranged at one end, far away from the transmission roller, of the sliding rod; a sliding block is fixedly arranged on the inner side wall of the round hole, a sliding groove is formed in the surface, close to the sliding block, of the sliding rod, and the sliding block is connected with the sliding groove in a sliding mode; the first spring strip is sleeved on the outer side of the sliding rod, and two ends of the first spring strip are respectively abutted against the transmission roller and the inner side of the connecting plate.

Preferably, in the technical scheme, the adjustable supporting mechanism comprises an installation frame, a second limiting part, a bearing, a threaded rod and an internal thread sleeve, and the installation frame is fixedly arranged on the side surface of the base; the bearing is fixedly arranged on the mounting frame along the direction vertical to the base, the threaded rod penetrates through the bearing and is fixedly arranged in the bearing, and the internal thread sleeve is sleeved on the outer side of the threaded rod and is in threaded connection with the threaded rod; the second limiting part is arranged between the mounting frame and the internal thread sleeve and used for limiting the internal thread sleeve to move along the direction vertical to the base.

Preferably, as this technical scheme, the spacing portion of second includes slide rail and sliding sleeve, the slide rail sets up on the mounting bracket, the sliding sleeve sets up the internal thread sleeve pipe is close to one side of slide rail, the sliding sleeve with slide rail sliding connection.

Preferably, in the technical solution, a turntable is arranged at one end of the threaded rod close to the bearing; and one end of the internal thread sleeve, which is far away from the bearing, is provided with a support leg.

Preferably as this technical scheme, winding mechanism includes rolling frame, motor, sound-proof housing and fixed part, the rolling frame with motor drive connects, the sound-proof housing cover is established the outside of motor, and passes through the fixed part sets firmly on the rolling frame.

Preferably, in the technical scheme, the fixing part comprises a rotating shaft, a fixing hook and a second spring strip, a groove is formed in one side of the winding frame, which is close to the motor, the rotating shaft is fixedly arranged in the groove, and the fixing hook is rotatably connected with the rotating shaft; a fixing hole is formed in one side, close to the groove, of the sound-proof shield, and the fixing hook is clamped with the fixing hole; the second spring strip is arranged in the groove, and two ends of the second spring strip are respectively abutted against the fixed clamping hook and one side of the groove.

Preferably, in this embodiment, the two sets of fixing portions are symmetrically disposed.

Compared with the prior art, the small-sized lifting machine has the following advantages:

the small lifting machine comprises the adjustable supporting mechanism and the deviation-preventing connecting mechanism, wherein the adjustable supporting mechanism is symmetrically and fixedly arranged on two sides of the base, and when the lifting machine is used on the non-horizontal ground, the adjustable supporting mechanism can be adjusted to move downwards until the bottom of the lifting machine is in contact with the ground to support the device, so that the lifting machine is convenient to use on the non-horizontal ground; in addition, the anti-deviation connecting mechanism is fixedly arranged at one end, far away from the support, of the suspension arm, the suspension rope passing through the pulley at the front end of the suspension arm penetrates through the anti-deviation connecting mechanism and then is connected with the lifting hook, and when the suspension rope is stressed to deviate, the anti-deviation connecting mechanism can drive the suspension rope to reset, so that the suspension rope is prevented from deviating in the using process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of the small swing machine of the present invention;

FIG. 2 is a side view of the small swing machine of the present invention;

FIG. 3 is a schematic view of an anti-migration coupling mechanism of the present invention;

FIG. 4 is a schematic view of an adjustable support mechanism of the present invention;

fig. 5 is a top view of the winding mechanism of the present invention.

Description of the reference numerals:

1: a base; 2: a support; 3: a suspension arm; 4: a hook; 5: a pulley; 6: a lifting rope; 7: a connecting plate; 8: a driving roller; 9: a first spring bar; 10: a circular hole; 11: a slide bar; 12: a limiting block; 13: a slider; 14: a mounting frame; 15: a bearing; 16: a threaded rod; 17: an internally threaded sleeve; 18: a slide rail; 19: a sliding sleeve; 20: a turntable; 21: a support leg; 22: a winding frame; 23: a motor; 24: a sound-proof housing; 25: a rotating shaft; 26: fixing a clamping hook; 27: a second spring bar; 28: a groove; 29: a fixing hole; 30: a chute.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

As shown in fig. 1-5, the utility model provides a lifting machine, which comprises a base 1, a support 2, a boom 3, an adjustable supporting mechanism and an anti-deviation connecting mechanism, wherein the support 2 is fixedly arranged on the base 1, and the boom 3 is hinged to one end of the support 2 far away from the base 1; the adjustable supporting mechanisms are symmetrically and fixedly arranged on two sides of the base 1; the anti-deviation connecting mechanism is fixedly arranged at one end, far away from the support 2, of the suspension arm 3, and a lifting rope 6 between a pulley 5 and a lifting hook 4 at the front end of the suspension arm 3 penetrates through the anti-deviation connecting mechanism.

The adjustable supporting mechanisms of the small lifting machine are symmetrically and fixedly arranged on two sides of the base 1, when the lifting machine is used on a non-horizontal ground, the adjustable supporting mechanisms can be adjusted to move downwards until the bottom of the adjustable supporting mechanisms contacts the ground to support the device, so that the lifting machine can be conveniently used on the non-horizontal ground; in addition, the deviation-preventing connecting mechanism is fixedly arranged at one end, far away from the support 2, of the suspension arm 3, the lifting rope 6 passing through the pulley 5 at the front end of the suspension arm 3 penetrates through the deviation-preventing connecting mechanism and then is connected with the lifting hook 4, and when the lifting rope 6 is stressed to deviate, the deviation-preventing connecting mechanism can drive the lifting rope 6 to reset, so that the deviation of the lifting rope 6 in the using process is prevented.

The small-sized lifting machine also comprises a winding mechanism, the winding mechanism is fixedly arranged at one end of the support 2 far away from the base 1 through a fixing plate, one end of the lifting rope 6 is arranged on the winding mechanism, and the other end of the lifting rope is connected with the lifting hook 4 after being guided by the pulley 5.

On the basis of the technical scheme, further, the anti-deviation connecting mechanism comprises a connecting plate 7, a driving roller 8, a first limiting part and a first spring strip 9, the connecting plate 7 is fixedly arranged at one end, far away from the support 2, of the suspension arm 3, a pair of round holes 10 are symmetrically formed in two sides of the connecting plate 7, and the first limiting part penetrates through the round holes 10 and is fixedly connected with the driving roller 8; the first spring strip 9 is sleeved on the outer side of the first limiting part, and two ends of the first spring strip are respectively abutted against the transmission roller 8 and the inner side of the connecting plate 7.

Connecting plate 7 is the type of falling U structure, and it sets firmly the one end of keeping away from support 2 at davit 3, and driving roller 8 is located the inside of connecting plate 7, and two first spacing portions pass the round hole 10 that the symmetry was seted up in connecting plate 7 both sides respectively, and then offset with the both ends of driving roller 8. When the lifting rope 6 slides on the surface of the driving roller 8, the lifting rope 6 shifts to drive the driving roller 8 to move transversely, the driving roller 8 can drive the first limiting part to move transversely, the first spring strip 9 is driven to deform, and the first spring strip 9 can drive the driving roller 8 to reset through self elasticity after deforming, so that the lifting rope 6 is prevented from shifting in the using process.

Specifically, the first limiting part comprises a sliding rod 11, the sliding rod 11 penetrates through the round hole 10 to be fixedly connected with the transmission roller 8, and a limiting block 12 is arranged at one end, far away from the transmission roller 8, of the sliding rod 11; a sliding block 13 is fixedly arranged on the inner side wall of the circular hole 10, a sliding groove 30 is formed in the surface, close to the sliding block 13, of the sliding rod 11, and the sliding block 13 is connected with the sliding groove 30 in a sliding mode; the first spring strip 9 is sleeved on the outer side of the sliding rod 11, and two ends of the first spring strip are respectively abutted against the inner sides of the transmission roller 8 and the connecting plate 7.

Can drive 8 transverse motion of driving roller when lifting rope 6 takes place the skew, 8 transverse motion of driving roller can drive slide bar 11 and carry out transverse motion, slide bar 11 transverse motion can drive spout 30 and slide on the surface of slider 13, can drive first spring strip 9 during 8 transverse motion and take place deformation, first spring strip 9 takes place to cushion and drive driving roller 8 through self elasticity after the deformation and resets, prevent that lifting rope 6 from taking place the skew at the in-process that uses.

On the basis of the above technical solution, it is further preferable that the adjustable supporting mechanism includes a mounting frame 14, a second limiting portion, a bearing 15, a threaded rod 16 and an internal threaded sleeve 17, and the mounting frame 14 is fixedly arranged on a side surface of the base 1; the bearing 15 is fixedly arranged on the mounting frame 14 along a direction perpendicular to the base 1, the threaded rod 16 penetrates through the bearing 15 and is fixedly arranged in the bearing 15, and the internal thread sleeve 17 is sleeved on the outer side of the threaded rod 16 and is in threaded connection with the threaded rod 16; the second limiting portion is disposed between the mounting frame 14 and the internal thread bushing 17, and is used for limiting the internal thread bushing 17 to move along a direction perpendicular to the base 1.

When the lifting machine is used on the non-horizontal ground, the threaded rod 16 is rotated inside the bearing 15, and the threaded rod 16 can drive the internal thread sleeve 17 to move downwards until the threaded rod 16 is contacted with the ground to support the device. And the second stop portion is disposed between the mounting bracket 14 and the internally threaded sleeve 17 and is configured to limit longitudinal movement of the internally threaded sleeve 17 to prevent misalignment. Therefore, the adjustable supporting mechanism is convenient to use on non-horizontal ground.

Specifically, the second limiting part comprises a sliding rail 18 and a sliding sleeve 19, the sliding rail 18 is arranged on the mounting frame 14, the sliding sleeve 19 is arranged on one side, close to the sliding rail 18, of the internal thread sleeve 17, and the sliding sleeve 19 is in sliding connection with the sliding rail 18.

When the internal thread sleeve 17 moves longitudinally, the sliding sleeve 19 on the internal thread sleeve 17 can move along the sliding rail 18 on the mounting frame 14, so that the internal thread sleeve 17 moves to the ground to support the device.

In order to facilitate the rotation of the threaded rod 16 by manual operation, a rotating disc 20 is arranged at one end of the threaded rod 16 close to the bearing 15; the end of the internally threaded sleeve 17 remote from the bearing 15 is provided with a foot 21 to allow the device to be placed stably in a non-horizontal plane.

On the basis of the technical scheme, more preferably, winding mechanism includes winding frame 22, motor 23, sound-proof housing 24 and fixed part, winding frame 22 with motor 23 transmission is connected, sound-proof housing 24 cover is established the outside of motor 23, and passes through the fixed part sets firmly on winding frame 22.

The winding frame 22 mechanism of the utility model is sleeved with the sound-proof shield 24 at the outer side of the motor 23, thereby effectively reducing the noise of the motor 23 during working.

Specifically, two groups of fixing parts are symmetrically arranged, and mainly comprise a rotating shaft 25, a fixing clamping hook 26 and a second spring strip 27, a groove 28 is formed in one side of the winding frame 22 close to the motor 23, the rotating shaft 25 is fixedly arranged in the groove 28, and the fixing clamping hook 26 is rotatably connected with the rotating shaft 25; a fixing hole 29 is formed in one side, close to the groove 28, of the soundproof cover 24, and the fixing hook 26 is clamped with the fixing hole 29; the second spring strip 27 is disposed inside the groove 28, and two ends of the second spring strip respectively abut against the fixing hook 26 and one side of the groove 28.

Wherein, the sound-proof housing 24 sets firmly on the rolling frame 22 through the fixed part, it specifically includes pivot 25, fixed trip 26 and second spring strip 27, when the sound-proof housing 24 that is provided with fixed orifices 29 moves to the recess 28 department of rolling frame 22, fixed trip 26 can rotate along the surface of pivot 25 when receiving the extrusion, can extrude second spring strip 27 when fixed trip 26 rotates, when sound-proof housing 24 drives fixed orifices 29 and cup joints when the surface position of fixed trip 26, second spring strip 27 can reset through self elasticity extrusion fixed trip 26, in order to fix the position of sound-proof housing 24, and then make things convenient for the device to use and fall the noise to motor 23.

The working principle of the small-sized lifting machine is as follows:

when the small-sized lifting machine with the guiding and deviation-preventing effect for civil construction is used, firstly, the small-sized lifting machine with the guiding and deviation-preventing effect for civil construction needs to be simply known, the transverse movement of the driving roller 8 can drive the sliding rod 11 to transversely move, the driving roller 8 can drive the first spring strip 9 to deform when transversely moving, and the first spring strip 9 can buffer through self elasticity and drive the driving roller 8 to reset after deforming; the rotary table 20 can drive the threaded rod 16 to rotate when rotating, the threaded rod 16 can drive the internal thread sleeve 17 to move downwards when rotating, the internal thread sleeve 17 can drive the support legs 21 to move downwards when moving downwards, and the support legs 21 can support the device when moving downwards to the ground; when sound-proof housing 24 drives fixed orifices 29 and moves to fixed trip 26's surface position, fixed trip 26 can rotate and extrude second spring strip 27 when receiving the extrusion, and when sound-proof housing 24 drove fixed orifices 29 and cup jointed the surface position at fixed trip 26, second spring strip 27 can extrude fixed trip 26 and reset, can fix sound-proof housing 24's position like this.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A lifting machine is characterized by comprising a base (1), a bracket (2), a lifting arm (3), an adjustable supporting mechanism and an anti-deviation connecting mechanism,

the support (2) is fixedly arranged on the base (1), and the suspension arm (3) is hinged to one end, far away from the base (1), of the support (2);

the adjustable supporting mechanisms are symmetrically and fixedly arranged on two sides of the base (1);

the anti-deviation connecting mechanism is fixedly arranged at one end, far away from the support (2), of the suspension arm (3), and a lifting rope (6) located between a pulley (5) and a lifting hook (4) at the front end of the suspension arm (3) penetrates through the anti-deviation connecting mechanism.

2. The lifting machine of claim 1, further comprising a winding mechanism, wherein the winding mechanism is fixedly arranged at one end of the support (2) far away from the base (1) through a fixing plate, one end of the lifting rope (6) is arranged on the winding mechanism, and the other end of the lifting rope is connected with the lifting hook (4) after being guided by the pulley (5).

3. The handling machine of claim 1, wherein the anti-deviation connecting mechanism comprises a connecting plate (7), a driving roller (8), a first limiting part and a first spring strip (9),

the connecting plate (7) is fixedly arranged at one end, far away from the support (2), of the suspension arm (3), a pair of round holes (10) are symmetrically formed in two sides of the connecting plate (7), and the first limiting part penetrates through the round holes (10) and is fixedly connected with the transmission roller (8);

the first spring strip (9) is sleeved on the outer side of the first limiting part, and two ends of the first spring strip respectively abut against the transmission roller (8) and the inner side of the connecting plate (7).

4. The lifting machine as claimed in claim 3, characterized in that the first limiting part comprises a sliding rod (11), the sliding rod (11) passes through the circular hole (10) and is fixedly connected with the driving roller (8), and a limiting block (12) is arranged at one end of the sliding rod (11) far away from the driving roller (8);

a sliding block (13) is fixedly arranged on the inner side wall of the round hole (10), a sliding groove (30) is formed in the surface, close to the sliding block (13), of the sliding rod (11), and the sliding block (13) is connected with the sliding groove (30) in a sliding mode;

the first spring strip (9) is sleeved on the outer side of the sliding rod (11), and two ends of the first spring strip respectively abut against the transmission roller (8) and the inner side of the connecting plate (7).

5. The handling machine of claim 1, wherein the adjustable support mechanism comprises a mounting frame (14), a second limit stop, a bearing (15), a threaded rod (16) and an internally threaded bushing (17),

the mounting rack (14) is fixedly arranged on the side surface of the base (1);

the bearing (15) is fixedly arranged on the mounting rack (14) along the direction perpendicular to the base (1), the threaded rod (16) penetrates through the bearing (15) and is fixedly arranged in the bearing, and the internal thread sleeve (17) is sleeved on the outer side of the threaded rod (16) and is in threaded connection with the threaded rod (16);

the second limiting part is arranged between the mounting frame (14) and the internal thread sleeve (17) and used for limiting the internal thread sleeve (17) to move along the direction perpendicular to the base (1).

6. The lifting machine of claim 5, wherein the second limiting part comprises a sliding rail (18) and a sliding sleeve (19), the sliding rail (18) is arranged on the mounting frame (14), the sliding sleeve (19) is arranged on one side, close to the sliding rail (18), of the internal thread sleeve (17), and the sliding sleeve (19) is in sliding connection with the sliding rail (18).

7. The handling machine of claim 5, characterized in that the threaded rod (16) is provided with a turntable (20) at one end near the bearing (15);

one end, far away from the bearing (15), of the internal thread sleeve (17) is provided with a support leg (21).

8. The trolley according to claim 2, wherein the winding mechanism comprises a winding frame (22), a motor (23), a sound-proof cover (24) and a fixing part,

winding frame (22) with motor (23) transmission is connected, sound-proof housing (24) cover is established the outside of motor (23), and passes through the fixed part sets firmly on winding frame (22).

9. The trolley according to claim 8, wherein the fixing part comprises a rotating shaft (25), a fixing hook (26) and a second spring bar (27),

a groove (28) is formed in one side, close to the motor (23), of the winding frame (22), the rotating shaft (25) is fixedly arranged in the groove (28), and the fixed clamping hook (26) is rotatably connected with the rotating shaft (25);

a fixing hole (29) is formed in one side, close to the groove (28), of the sound insulation cover (24), and the fixing clamping hook (26) is clamped with the fixing hole (29);

the second spring strip (27) is arranged in the groove (28), and two ends of the second spring strip are respectively abutted against one sides of the fixed clamping hook (26) and the groove (28).

10. The hoisting machine of claim 8, wherein the fixing portions are symmetrically arranged in two groups.