CN210855098U - Front wheel driving device for jacking machine - Google Patents
Front wheel driving device for jacking machine Download PDFInfo
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- CN210855098U CN210855098U CN201921591036.6U CN201921591036U CN210855098U CN 210855098 U CN210855098 U CN 210855098U CN 201921591036 U CN201921591036 U CN 201921591036U CN 210855098 U CN210855098 U CN 210855098U
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- wheel driving
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Abstract
The utility model discloses a front wheel driving device for a jacking machine, which comprises a front wheel driving oil cylinder, wherein the front wheel driving oil cylinder is vertically arranged and fixed with the main body of the jacking machine; the driving wheel is positioned right below the front wheel driving oil cylinder and is driven by the front wheel driving oil cylinder to lift; the handle assembly is positioned in front of the front wheel driving oil cylinder; the connecting frame assembly is rotatably connected with the central shaft of the driving wheel and is suitable for rotating around the central shaft of the front wheel driving oil cylinder, and the connecting frame assembly is fixedly connected with the handle assembly. The utility model discloses a front wheel drive hydro-cylinder forward control the lift of drive wheel passes through simultaneously handle assembly control the turning to of drive wheel, just the link assembly with the front wheel drive hydro-cylinder rotates to be connected, only need overcome the front wheel drive hydro-cylinder during turning to with rotation frictional force between the link assembly can, turn to convenient laborsavingly.
Description
Technical Field
The utility model relates to a jacking machine design field especially relates to a front wheel drive for jacking machine.
Background
Jacking machine mainly used lifting heavy equipment or vehicle, the position change of a dimension can only be realized mostly to jacking machine among the prior art, vertical lifting and decline promptly, and jacking machine can't horizontal migration, though there is the jacking machine that has the gyro wheel among the prior art, but the gyro wheel does not have the function of withdrawing, because the bearing capacity of gyro wheel is limited, therefore this type of jacking machine is not applicable to the jacking of heavy equipment or vehicle. The front wheel is the main drive wheel in the equipment moving process, can be used for controlling the moving direction of equipment, and the front wheel driving device in the equipment with the function of moving in any direction is complex, the installation process is complex, the occupied space of the device is large, and therefore the front wheel driving device which can stretch out and draw back, is simple in structure and small in occupied space needs to be designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the complicated and gyro wheel of front wheel drive arrangement structure among the prior art and can not stretch out and draw back, be not suitable for the technical problem of the jacking of heavy equipment or vehicle, the utility model provides a front wheel drive arrangement solves above-mentioned problem for the jacking machine.
The utility model provides a technical scheme that its technical problem adopted is: a front wheel driving device for a jacking machine comprises a front wheel driving oil cylinder, wherein the front wheel driving oil cylinder is vertically arranged, the front wheel driving oil cylinder is fixed with a main body of the jacking machine, and the front wheel driving oil cylinder stretches along the vertical direction; the driving wheel is positioned right below the front wheel driving oil cylinder and driven by the front wheel driving oil cylinder to lift, the front wheel driving oil cylinder positively pushes the driving wheel, and the telescopic length of the front wheel driving oil cylinder is the lifting height of the driving wheel; the handle assembly is positioned in front of the front wheel driving oil cylinder, and an operator sits in front of the handle assembly to control the handle assembly; the connecting frame assembly is arranged between the front wheel driving oil cylinder and the driving wheel, is in rotating connection with the central shaft of the driving wheel and is suitable for rotating around the central shaft of the front wheel driving oil cylinder, cannot limit the driving wheel to roll forwards, and is fixedly connected with the handle assembly.
When an operator operates the handle assembly to steer, the driving wheel steers along with the handle assembly, so that the advancing direction of the driving wheel is changed, and meanwhile, the front wheel driving oil cylinder is fixedly connected with the main body of the jacking machine, so that the front wheel driving oil cylinder does not rotate along with the handle assembly, only the rotating friction force between the front wheel driving oil cylinder and the connecting frame assembly needs to be overcome during steering, and the steering is convenient and labor-saving.
The driving wheel is driven by the front wheel driving oil cylinder to lift, when a heavy object needs to be lifted, an extension rod of the front wheel driving oil cylinder is in a retraction state, and the driving wheel is sunk into the jacking machine and bears pressure by means of a main body of the jacking machine; when the horizontal movement is needed, the extension rod of the front wheel driving oil cylinder extends out, so that the driving wheel protrudes out of the jacking machine to drive the jacking machine to advance.
Furthermore, the connecting frame assembly comprises a driving wheel connecting plate, a handle connecting plate and a rotating sleeve which are sequentially fixed from top to bottom; the driving wheel connecting plate is rotationally connected with a central shaft of the driving wheel; the handle connecting plate is fixed at the bottom of the handle assembly; the rotary sleeve is suitable for being rotatably connected with an extension rod of the front wheel driving oil cylinder and is suitable for axially limiting the extension rod of the front wheel driving oil cylinder, so that the front wheel driving oil cylinder is prevented from being separated from the rotary sleeve.
Furthermore, a through hole is formed in the center of the rotating sleeve, and an inner boss is arranged on the inner surface of the rotating sleeve; an extension rod of the front wheel driving oil cylinder is provided with an upper clamping plate and a lower clamping plate, the upper clamping plate is suitable for abutting against the upper surface of the rotary sleeve, the lower clamping plate is suitable for abutting against the lower surface of the inner boss, and axial limiting is achieved through the upper clamping plate and the lower clamping plate.
Preferably, the top of the handle connecting plate is provided with a groove, the bottom of the rotating sleeve is provided with a lower boss which is suitable for being clamped in the groove, and the lower clamping plate is located in the groove.
Further, the handle assembly is including being fixed in the journal stirrup at handle connecting plate top, be equipped with on the journal stirrup with the articulated shaft that the center pin of drive wheel is parallel, the journal stirrup passes through the articulated shaft rotates with the pipe support to be connected, the upper portion of pipe support is fixed with the handle, and the pipe support can pass through the journal stirrup is rotatory to the direction that is close to operating personnel, can be according to the angle of operating personnel's position of sitting and height adjustment pipe support.
Further, the cover is equipped with the spring on the articulated shaft, just the one end of spring is fixed with the journal stirrup, the other end with the pipe support is fixed, works as the pipe support is rotatory to be kept away from during the front wheel drive hydro-cylinder, the spring is taut gradually, when loosening during the pipe support, the pipe support can the automatic recovery normal position.
Preferably, the pipe support includes upper and lower fixed connection's lower part U type pipe and the square pipe in upper portion, lower part U type pipe with the journal stirrup rotates to be connected, and the U type notch orientation of lower part U type pipe is kept away from the direction setting of front wheel drive hydro-cylinder, works as when the pipe support is in vertical state, the middle inside wall of lower part U type pipe with the surface laminating setting of journal stirrup makes the pipe support remains vertical state under the free state all the time, and can not clash when reseing into the front wheel drive hydro-cylinder.
Preferably, a fixed plate is fixed on a cylinder body of the front wheel driving oil cylinder, and the fixed plate is fixedly connected with a main body of the jacking machine.
Preferably, the driving wheel connecting plate comprises a top plate and side plates positioned on two sides of the top plate, the top plate is fixed at the bottom of the handle connecting plate, and the side plates are rotatably connected with a central shaft of the driving wheel.
The utility model has the advantages that:
(1) the utility model positively controls the lifting of the driving wheel through the front wheel driving oil cylinder, when the heavy object needs to be lifted, the driving wheel is sunk into the jacking machine, and the main body of the jacking machine bears the pressure; when the horizontal movement is needed, the driving wheel protrudes out of the jacking machine to drive the jacking machine to advance. Simultaneously through handle assembly control the turning to of drive wheel, just the link assembly with front wheel drive hydro-cylinder rotates to be connected, only need during turning to overcome the front wheel drive hydro-cylinder with the rotation frictional force between the link assembly can, turn to convenient laborsaving.
(2) The utility model discloses in, the pipe support on the handle assembly can wind around with the parallel articulated shaft rotation of the center pin of drive wheel is close to or keeps away from operating personnel, can be according to operating personnel's position of sitting and height adjustment pipe support.
(3) The utility model discloses in, be provided with the spring that is used for reseing on the rotatory articulated shaft of pipe support, the pipe support can resume to vertical state after using the completion, and passes through the spring can avoid the pipe support to rock.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a perspective view of a front wheel driving device for a jacking machine according to an embodiment of the present invention;
fig. 2 is a front view (viewed from the rear) of an embodiment of a front wheel drive apparatus for a hoist according to the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a sectional view taken along line B-B of FIG. 2;
FIG. 5 is an enlarged view at M in FIG. 3;
fig. 6 is an axial cross-sectional view of the rotating sleeve of the present invention;
fig. 7 is a schematic view of the mounting structure of the support lug in the present invention.
In the figure, 1, a front wheel driving oil cylinder, 2, a driving wheel, 3, a handle assembly, 301, a support lug, 302, a hinge shaft, 303, a pipe frame, 304, a handle, 3031, a lower U-shaped pipe, 3032, an upper square pipe, 4, a connecting frame assembly, 401, a driving wheel connecting plate, 4011, a top plate, 4012, a side plate, 402, a handle connecting plate, 4021, a groove, 403, a rotating sleeve, 4031, a through hole, 5, an inner boss, 6, an upper clamping plate, 7, a lower clamping plate, 8, a lower boss, 9, a fixing plate, 10, a mounting plate, 11, an arc-shaped surface, 12 and a spring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The driving wheel 2 is positioned right below the front wheel driving oil cylinder 1 and driven by the front wheel driving oil cylinder 1 to lift, the front wheel driving oil cylinder 1 positively presses the driving wheel 2, and the telescopic length of the front wheel driving oil cylinder 1 is the lifting height of the driving wheel 2. The handle assembly 3 is positioned in front of the front wheel driving oil cylinder 1, and an operator sits in front of the handle assembly 3 to control the handle assembly 3.
The connecting frame assembly 4 is arranged between the front wheel driving oil cylinder 1 and the driving wheel 2, the connecting frame assembly 4 is in rotating connection with a central shaft of the driving wheel 2 and is suitable for rotating around the central shaft of the front wheel driving oil cylinder 1, the rotating connection means that the connecting frame assembly 4 is provided with a shaft hole for erecting the central shaft of the driving wheel 2, the central shaft of the driving wheel 2 is installed in the shaft hole through a bearing, when the driving wheel 2 rolls and moves forward, the shaft hole of the connecting frame assembly 4 and the central shaft of the driving wheel 2 rotate relatively, so that the connecting frame assembly 4 does not need to rotate together with the driving wheel 2, the connecting resistance of the connecting frame assembly 4 when the driving wheel 2 rolls and moves forward is smaller, the connecting frame assembly 4 cannot limit the driving wheel 2 to roll and move forward, and the connecting frame assembly 4 is.
When an operator operates the handle assembly 3 to steer, because the rotation plane of the handle assembly 3 is parallel to the central shaft of the driving wheel 2 and is vertical to the central shaft of the front wheel driving oil cylinder 1, the central shaft of the driving wheel 2 and the driving wheel 2 rotate together with the handle assembly 3 to realize the steering of the driving wheel 2, the front wheel driving oil cylinder 1 is fixed, the handle assembly 3 rotates by taking the central shaft of the front wheel driving oil cylinder 1 as the center, and therefore, the whole direction change of the jacking machine is not required to be driven during the steering, only the rotation friction force between the front wheel driving oil cylinder 1 and the connecting frame assembly 4 is required to be overcome, and the steering is convenient and labor-saving.
As shown in fig. 1 and fig. 2, the specific structure of the connecting frame assembly 4 in this embodiment is: comprises a driving wheel connecting plate 401, a handle connecting plate 402 and a rotating sleeve 403 which are fixed by screws from top to bottom in sequence; the driving wheel connecting plate 401 is rotatably connected with the central shaft of the driving wheel 2, that is, the shaft hole for erecting the central shaft of the driving wheel 2 is positioned on the driving wheel connecting plate 401; the handle connecting plate 402 is fixed at the bottom of the handle assembly 3, and the handle assembly 3 and the rotating sleeve 403 are fixed at the top of the handle connecting plate 402 side by side; the rotating sleeve 403 is suitable for being rotatably connected with an extension rod of the front wheel driving oil cylinder 1, the extension rod of the front wheel driving oil cylinder 1 is sleeved on the rotating sleeve 403 and is suitable for axially limiting the extension rod of the front wheel driving oil cylinder 1, and the front wheel driving oil cylinder 1 is prevented from being separated from the rotating sleeve 403.
The rotating sleeve 403 is generally clamped at the head end and the tail end to axially limit the extending rod of the front wheel driving cylinder 1, and specifically, the following structure may be adopted but not limited to: as shown in fig. 3, 5 and 6, a through hole 4031 is formed in the center of the rotating sleeve 403, into which an extension rod of the front wheel driving cylinder 1 is inserted, an inner boss 5 is formed on the inner surface of the rotating sleeve 403, the inner boss 5 extends in the direction of the center of the rotating sleeve 403, and a height difference exists between the inner boss 5 and the handle connecting plate 402; the extension rod of the front wheel driving oil cylinder 1 is provided with an upper clamping plate 6 and a lower clamping plate 7, the upper clamping plate 6 is suitable for abutting against the upper surface of the rotary sleeve 403, the lower clamping plate 7 is suitable for abutting against the lower surface of the inner boss 5, the lower clamping plate 7 is located in a gap between the inner boss 5 and the handle connecting plate 402, axial limiting is achieved through the upper clamping plate 6 and the lower clamping plate 7, the rotary sleeve 403 and the inner boss 5 are integrally fixed, the upper clamping plate 6 and the front wheel driving oil cylinder 1 are integrally fixed, during installation, the extension rod of the front wheel driving oil cylinder 1 is inserted into the rotary sleeve 403, then the lower clamping plate 7 is sleeved at the tail end of the front wheel driving oil cylinder 1 and fixed, and finally the rotary sleeve 403 is fixed on the handle. The lower clamping plate 7 and the tail end of the front wheel driving oil cylinder 1 can be in threaded connection.
In embodiment 2, the front wheel driving cylinder 1 is mounted on the rotating sleeve 403 in embodiment 1 and then fixed to the handle connecting plate 402, at this time, the rotating sleeve 403 is heavy and not easy to be positioned with the handle connecting plate 402, and the rotating sleeve 403 is easy to be tilted, for this reason, as shown in fig. 5, in this embodiment, the top of the handle connecting plate 402 in embodiment 1 is changed from a plane to a concave-convex surface with a groove 4021 at the center, the inner side wall of the groove 4021 is circular, the bottom of the rotating sleeve 403 is provided with a lower boss 8 adapted to be clamped in the groove 4021, the lower snap plate 7 is located in the groove 4021, the lower boss 8 refers to a boss extending below the rotating sleeve 403, the inner boss 5 may be disposed above the bottom of the rotating boss and the lower boss 8, the lower boss 8 of the rotating sleeve 403 is inserted into the groove 4021 for pre-positioning during mounting, and the rotating sleeve 403 does not tilt under the restriction of, the groove 4021 may be a square groove, and the lower boss 8 cannot rotate after being inserted into the groove 4021, and the screw hole of the rotating sleeve 403 completely corresponds to the screw hole of the handle connecting plate 402. The groove 4021 may not only cooperate with the lower boss 8 to pre-position the rotating sleeve 403, but also reserve an installation space for the lower chucking plate 7.
Example 4, in example 3, the pipe frame 303 needs to be fixed in position by means of nut fastening, if the pipe frame 303 is fastened too tightly, a cogging phenomenon is easily generated in the rotation process of the pipe frame 303, if the pipe frame 303 is fastened too loosely, the pipe frame 303 is easily shaken or even hung across the support lug 301, and the pipe frame 303 cannot be automatically reset after rotating, for this reason, as shown in fig. 3 and 4, in this example, on the basis of example 3, the hinge shaft 302 is sleeved with the spring 12, one end of the spring 12 is fixed with the support lug 301, and the other end is fixed with the pipe frame 303, when the pipe frame 303 rotates away from the front wheel driving cylinder 1, the spring 12 is gradually tensioned, when the pipe frame 303 is loosened, the pipe frame 303 is reversely rotated and reset under the elastic force of the spring 12, in this example, when the pipe frame 303 moves to the vertical position, the spring 12 is in a free state, and under the effect of no external, the nut at articulated shaft 302 both ends need not to play the fastening to pipe support 303 in this embodiment, pipe support 303 rotation resistance greatly reduced, the card pause phenomenon can not appear.
In embodiment 5 and embodiment 4, when the pipe frame 303 is reset, under the action of inertia force, the pipe frame 303 may shake back and forth on both sides of the vertical position until stopping, and the pipe frame 303 may hit the front wheel driving cylinder 1 during shaking, so that this embodiment is improved as shown in fig. 1, fig. 4 and fig. 7, the pipe frame 303 includes a lower U-shaped pipe 3031 and an upper square pipe 3032 which are fixedly connected up and down, the lower U-shaped pipe 3031 is rotatably connected with the support lug 301, and a U-shaped notch of the lower U-shaped pipe 3031 is arranged towards a direction far away from the front wheel driving cylinder 1, when the pipe frame 303 is in a vertical state, a middle inner side wall of the lower U-shaped pipe 3031 is arranged to be attached to the surface of the support lug 301, both ends of the lower U-shaped pipe 3031 are through, end faces of the lower U-shaped pipe 3031 are U-shaped, the upper square pipe 3032 is a rectangular pipe, front side and a rear side of the support, the top is inserted by the upper square tube 3032, when the pipe frame 303 moves to be vertical, the middle surface of the lower U-shaped tube 3031 abuts against the front side plane of the support lug 301, the pipe frame 303 cannot continuously swing towards the front wheel driving oil cylinder 1, and when the pipe frame 303 is pulled towards the direction of an operator, the pipe frame 303 can rotate along the arc surface 11 at the top of the support lug 301. In this embodiment, spring 12 may also be placed in tension when tube carrier 303 is in the vertical position.
Preferably, the driving wheel connecting plate 401 includes a top plate 4011 and side plates 4012 located on both sides of the top plate 4011, the top plate 4011 is fixed to the bottom of the handle connecting plate 402, and the two side plates 4012 are located on both sides of the driving wheel 2 and are rotatably connected to a central shaft of the driving wheel 2.
In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a front wheel drive for jacking machine which characterized in that includes:
the lifting device comprises a front wheel driving oil cylinder (1), wherein the front wheel driving oil cylinder (1) is vertically arranged, and the front wheel driving oil cylinder (1) is fixed with a main body of the lifting machine;
the driving wheel (2) is positioned right below the front wheel driving oil cylinder (1), and is driven to lift by the front wheel driving oil cylinder (1);
the handle assembly (3), the said handle assembly (3) locates in front of the said front wheel drive cylinder (1);
the connecting frame assembly (4), the connecting frame assembly (4) set up in between front wheel drive hydro-cylinder (1) and drive wheel (2), connecting frame assembly (4) with the center pin of drive wheel (2) rotates and is connected, and is suitable for the winding the center pin of front wheel drive hydro-cylinder (1) is rotatory, and connecting frame assembly (4) with handle assembly (3) fixed connection.
2. The front wheel driving apparatus for a hoist according to claim 1, characterized in that: the connecting frame assembly (4) comprises a driving wheel connecting plate (401), a handle connecting plate (402) and a rotating sleeve (403) which are fixed from top to bottom in sequence; the driving wheel connecting plate (401) is rotationally connected with a central shaft of the driving wheel (2); the handle connecting plate (402) is fixed at the bottom of the handle assembly (3); the rotating sleeve (403) is suitable for being rotatably connected with an extension rod of the front wheel driving oil cylinder (1) and is suitable for axially limiting the extension rod of the front wheel driving oil cylinder (1).
3. The front wheel driving apparatus for a hoist according to claim 2, characterized in that: a through hole (4031) is formed in the center of the rotating sleeve (403), and an inner boss (5) is arranged on the inner surface of the rotating sleeve (403); an extension rod of the front wheel driving oil cylinder (1) is provided with an upper clamping plate (6) and a lower clamping plate (7), the upper clamping plate (6) is suitable for abutting against the upper surface of the rotating sleeve (403), and the lower clamping plate (7) is suitable for abutting against the lower surface of the inner boss (5).
4. The front wheel driving apparatus for a hoist according to claim 3, characterized in that: the handle connecting plate (402) is provided with a groove (4021) at the top, the bottom of the rotating sleeve (403) is provided with a lower boss which is suitable for being clamped in the groove (4021), and the lower clamping plate (7) is positioned in the groove (4021).
5. The front wheel driving apparatus for a hoist according to claim 2, characterized in that: handle assembly (3) including being fixed in journal stirrup (301) at handle connecting plate (402) top, be equipped with on journal stirrup (301) with articulated shaft (302) that the center pin of drive wheel (2) is parallel, journal stirrup (301) pass through articulated shaft (302) are rotated with pipe support (303) and are connected, the upper portion of pipe support (303) is fixed with handle (304).
6. The front wheel driving apparatus for a hoist according to claim 5, characterized in that: the cover is equipped with spring (12) on articulated shaft (302), just the one end of spring (12) is fixed with journal stirrup (301), the other end with pipe support (303) are fixed, work as pipe support (303) are rotatory to be kept away from when front wheel drive hydro-cylinder (1), spring (12) are taut gradually.
7. The front wheel driving apparatus for a hoist according to claim 6, characterized in that: the pipe support (303) comprises a lower U-shaped pipe (3031) and an upper square pipe (3032) which are fixedly connected up and down, the lower U-shaped pipe (3031) is rotatably connected with the support lug (301), a U-shaped notch of the lower U-shaped pipe (3031) faces to the direction far away from the front wheel driving oil cylinder (1), and when the pipe support (303) is in a vertical state, the inner side wall in the middle of the lower U-shaped pipe (3031) is attached to the surface of the support lug (301).
8. The front wheel driving apparatus for a hoist according to any one of claims 1 to 7, characterized in that: a fixing plate (9) is fixed on a cylinder body of the front wheel driving oil cylinder (1), and the fixing plate (9) is fixedly connected with a main body of the jacking machine.
9. The front wheel driving apparatus for a hoist according to claim 2, characterized in that: drive wheel connecting plate (401) include roof (4011) and be located curb plate (4012) of roof (4011) both sides, roof (4011) are fixed in the bottom of handle connecting plate (402), curb plate (4012) with the center pin rotation of drive wheel (2) is connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921591036.6U CN210855098U (en) | 2019-09-23 | 2019-09-23 | Front wheel driving device for jacking machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921591036.6U CN210855098U (en) | 2019-09-23 | 2019-09-23 | Front wheel driving device for jacking machine |
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Publication Number | Publication Date |
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CN210855098U true CN210855098U (en) | 2020-06-26 |
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ID=71304226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921591036.6U Active CN210855098U (en) | 2019-09-23 | 2019-09-23 | Front wheel driving device for jacking machine |
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CN (1) | CN210855098U (en) |
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2019
- 2019-09-23 CN CN201921591036.6U patent/CN210855098U/en active Active
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