KR101671859B1 - A lift device of vehicles - Google Patents

Abstract

The present invention relates to a vehicular lift device, and more particularly, to a lift device for a vehicle, in which a lift and a piston including a cylinder and a piston rod are lifted by hydraulic pressure, and a ground is fixed to the piston rod of the lift So as to prevent a safety accident caused by a collision or the like in advance by a worker or a passerby who travels, and to minimize worker's interference with a work line, thereby improving work efficiency.
To this end, according to the present invention, there is provided a vehicle lift apparatus for performing a work by raising a vehicle or an object at a predetermined height, the lift apparatus comprising: a lift section (110) And a pedestal portion (120) on which a vehicle or an object is seated and lifts and raises the vehicle or the object while being lifted by a lifting force provided by the lifting portion (110); A cylinder 112 embedded in the ground so as not to interfere with the work line to improve work efficiency, and not to protrude outward; A piston rod 114 formed on the inner side of the cylinder 112 and having a predetermined height along the longitudinal direction of the cylinder 112 and fixed to the upper end of the piston 112; And a pressure pump 116 for increasing and decreasing the piston rod 114 to a predetermined height by providing a predetermined force to the cylinder 112.

Description

A lift device of vehicles

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular lift device, and more particularly, to a vehicular lift device that includes a cylinder and a piston rod, which are lifted by hydraulic pressure, The present invention relates to a vehicle lift apparatus for preventing a safety accident caused by a collision or the like from occurring by a worker or a passerby who travels and minimizing a portion interfered with a work line to improve work efficiency.

2. Description of the Related Art Generally, a lift device for a vehicle is a device configured to lift a vehicle to a certain height using a lifting means such as a hydraulic cylinder, and to perform maintenance work on the vehicle thereunder.

The vehicle lift device is divided into two stocks and four stocks according to the number of the pillars, and the pillars are of the column type and the gate type according to the shape of the pillars, and there is an X shape according to the shape of the arm lifting the vehicle body.

The above two stocks are in the form of two pillars (or posts), the four pillars are four pillars, the pillars are arranged at regular intervals from each other, and the upper pillars are cross beams It is a connected form.

1 and 2, two posts 10 are installed upright on the ground at regular intervals, and a cross beam 30 (see FIG. 1) is provided on the upper portion of the post 10, Are installed to connect the posts 10 to each other.

Each of the posts 10 has a guide groove 11 formed in a lengthwise direction on a side facing each other and is fixed to a rod 13a of a hydraulic cylinder 13 located below the post 10 by a fixing member P And is lifted and lowered through the guide groove 11 of the post 10 while being held in a state of being lifted and lowered.

A support arm 14 capable of lifting a vehicle body (not shown) is connected to the carry 12 so as to be raised and lowered by the carry 12, and the support arm 14 is folded horizontally, As shown in FIG.

The two carriers 12 are connected to each other by a wire W so that when one carrier 12 is moved up and down, the other carrier 12 is simultaneously operated. In order to guide the wire W, One side of which is connected to the upper side of the inner carry 12 while the other side of which is hooked on the upper guide roller R1 provided on both sides of the lower roller 30 and the lower guide roller R2 located below the lower side of the post 10, (Not shown).

Therefore, when the hydraulic cylinders of both sides are simultaneously operated, the wire connected to the upper portion of the carry is raised and the carry on the opposite side is connected to the lower portion of the carry 12 via the lower guide roller R2 located at the lower end, 12) is lifted up on the rising side of the wire, the wire is always pulled as far as it is loosened on one side, and the wire is held in a state of holding the appropriate tension at all times.

In addition, the carry 12 raised by the oil leakage of the hydraulic cylinder 13 may collapse, and the operator working under the carry 12 may suffer a serious injury. In order to prevent such a safety accident, a ratchet mechanism (L) is provided on one of the posts (10).

First, the operation of the conventional dual stock gate lift having such a configuration will be described. First, the vehicle is advanced so that the support arms 14 are positioned on both sides of the vehicle, and the position is adjusted while rotating and stretching the support arms 14.

Then, the hydraulic cylinder 13 is operated to raise the carry 12, and at the same time, the support arm 14 fixed to the carry 12 is lifted to raise the vehicle to a predetermined height.

At this time, the wire W is kept tensioned by the upper and lower guide rollers R1 and R2 so as to support both the carry 12 and operate simultaneously.

As in the prior art, the two-stock or four-stock lifting device is restricted by the moving movement line of the worker by the column (or the post) which is raised at a certain height from the ground, and safety accident such as collision can be caused by carelessness. There is a problem that the space is reduced.

Further, the conventional lifting device is exposed to the outside as a whole, so that the lifting device is easily aged due to the external environment, which shortens the service life.

Particularly, there is a problem in that the use of water or chemicals in a car wash or a luster company has a limitation in use that the lifting devices exposed to the outside can not be used due to aging, which is easily corroded.

Korean Utility Model Publication No. 1995-1970 (issued on March 23, 1995) Korean Patent No. 331702 (registered on March 25, 2002) Korean Patent Publication No. 2004-12254 (published Feb. 11, 2004)

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a cylinder head for a vehicle, The present invention provides a vehicle lift apparatus for preventing a safety accident caused by a collision or the like in advance by a worker or a passerby who travels and minimizing a portion interfered with a work line to improve work efficiency There is.

To achieve the above object, according to the present invention, there is provided a lift apparatus for a vehicle, which lifts a vehicle or an object at a predetermined height, the elevator comprising: And a pedestal portion in which a vehicle or an object is seated on an upper portion of the vehicle, A cylinder configured to be embedded in a ground surface so as not to interfere with the work line to improve work efficiency, and not to project outward; A piston rod which is formed on the inner side of the cylinder and which is raised and lowered at a predetermined height along the longitudinal direction of the cylinder and on which the support portion is fixed; And a pressure pump that increases the piston rod by a predetermined height by providing a force to the cylinder.

In the present invention, the bearing portion may include: a center bearing fixed to an upper end of the piston rod; A plurality of swivel pedestals formed on the center pedestal for varying the position of the vehicle or the object according to the size of the vehicle or the purpose of use, thereby stably holding the vehicle or the object; And a pivot shaft formed between the center pedestal and the pivotal pedestal for supporting the pivotal pedestal to rotate at a predetermined angle.

In the present invention, the center pedestal includes a pivoting area to which the pivotal pedestal is coupled; A protrusion protruding from the center pedestal at a predetermined height; And an insertion groove formed at a predetermined depth inwardly from the protruding portion and guiding the rotation support to rotate stably at a predetermined angle.

In the present invention, it is preferable that the rotation section further includes an extension section for interrupting rotation of the rotation support at a predetermined angle to convert the plurality of rotation support sections into an 'H' shape or an 'X' shape .

In the present invention, the rotating base includes a turning portion which is formed at one end and is coupled to the center pedestal by the rotating shaft and rotates by a predetermined angle; A rotation protrusion protruding from an end of the rotation unit and guided so as to be rotated stably when the rotation unit is rotated about the rotation axis; And a seating groove formed at the other end and having a predetermined depth for supporting the auxiliary mechanism so that the auxiliary mechanism can be stably mounted and detached.

According to the present invention, the elevating portion including the cylinder and the piston rod that provide the lifting force by the hydraulic pressure is embedded on the ground, and only the supporting portion fixed to the piston rod of the elevating portion is projected on the ground, There is an effect that passengers passing by can prevent a safety accident due to a collision or the like in advance.

Further, when the elevating portion is kept in the state of being embedded in the ground and is operated, only a part of the elevating portion is exposed to the outside, thereby preventing the elevating portion from being easily aged by the external environment and amplifying the use life.

In addition, since it can be used in a car wash or a glossy company using water or chemical agents, it is possible to make a wide use of a vehicle lift apparatus possible.

In addition, it is possible to wash or polish the upper part as well as the lower part of the vehicle by using a ripping device in a car wash or a glossing company, thereby enhancing the product competitiveness by securing the reliability of consumers by providing an unparalleled washing or luster service .

In addition, in the related art, the operation line of the worker is interfered due to the state where the column (or the post) is erected. However, since the present invention does not interfere with the movement line of the worker even in the lifting state of the vehicle, There is an effect of improving the efficiency.

Further, when the worker pushes the vehicle even when the vehicle or object is mounted on the pedestal portion, the piston rod to which the pedestal portion is fixed rotates about the cylinder, so that the worker can move the vehicle or the entire object It is possible to perform the work and improve the work efficiency.

1 is a schematic perspective view of a conventional two-stock lift apparatus;
2 is a plan sectional view showing a state in which a conventional hydraulic cylinder and an inner carry are engaged.
3 is a cross-sectional view of the vehicle lift apparatus according to the present invention.
4 is a plan view of a pedestal according to the present invention,
4a is an 'H' type, and 4b is an 'X' type.
5 is a plan view of the pedestal of FIG.
6 is a plan view of a pedestal according to the present invention in which an auxiliary footrest is engaged.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings (the same reference numerals are used for the same components as the conventional ones, and a detailed description thereof will be omitted).

The vehicle lift apparatus 100 of the present invention comprises a lift portion 110 that is embedded in the ground and provides lifting and lowering force and a support portion 120 formed at the upper end of the lift portion 110 to support the vehicle .

The lifting unit 110 includes a cylinder 112 embedded in the ground at a predetermined depth, a piston rod 114 formed on the inner side of the cylinder 112, And a pressure pump 116 for raising and lowering the piston rod 114 to a predetermined height.

The cylinder 112 is preferably embedded so that its upper end does not protrude from the ground. In addition, the cylinder 112 has an inlet and an outlet for oil pressure so that the piston rod 114 can be smoothly lifted and lowered by fluid pressure provided by the pressure pump 116. It is preferable that the cylinder 112 is composed of one cylinder.

In this case, it is preferable that the outer circumference of the cylinder 112 is constituted of a housing for preventing aging and protecting the entrance and the exit by soil or concrete formed on the ground.

The piston rod 114 is formed on the inner side of the cylinder 112 and the support part 120 is formed on the upper end of the cylinder part 112. The piston rod 114 is lifted by the fluid pressure supplied to the cylinder 112, Elevate it to a certain height.

The piston rod 114 is configured to be able to rotate about the cylinder 112 while being lifted in the longitudinal direction with respect to the cylinder 112.

The pressure pump 116 provides hydraulic pressure to the cylinder 112 in accordance with a user's operation so that the piston rod 114 can be moved up and down.

In this case, it is preferable that the pressure pump 116 is embedded in the ground to secure a working space. Of course, the present invention is not limited to this, and it can be configured to be exposed on the ground, and the installation position can be changed according to the purpose of use.

The pedestal part 120 is formed at an end of the elevating part 110 and a vehicle is positioned at an upper end of the elevating part 110. The elevating part 110 elevates and lowers the vehicle at a predetermined height.

The pedestal 120 includes a center pedestal 122 fixed to an upper end of the piston rod 114 and a plurality of pedestals 124 provided on the center pedestal 122 to provide a pedestal supporting the vehicle. And a pivot 126 formed between the center pedestal 122 and the pivotal pedestal 124 to support the pivotal pedestal 124 to rotate at a predetermined angle.

The center pedestal 122 is fastened to the end of the piston rod 114 by fastening means formed of a plurality of bolts. Of course, the present invention is not limited thereto, and any means can be used to stably fix the center pedestal 122 at the end of the piston rod 114.

In addition, the center pedestal 122 is formed with a rotation section 1222 for supporting the rotation support 124 to rotate at a predetermined angle. As shown in the drawing, the pivoting area 1222 is formed with four corners, that is, four corners of the center pedestal 122.

The rotation section 1222 includes a protrusion 1224 protruding at a predetermined height from the center pedestal 122 and a protrusion 1224 inserted into the protrusion 1224 at a predetermined depth inward to insert a part of the protrusion 1224, As shown in FIG.

The protrusion 1224 may be formed in an arc shape such that the rotation support 124 may rotate around the rotation axis 126 at a predetermined angle.

Also, it is preferable that the insertion groove 1226 is formed in the same shape as the protrusion 1224.

In addition, the pivoting portion 1222 is formed with an extension portion that extends linearly at both ends of the protrusion 1224 so as to limit a rotation angle when the rotation support 124 rotates by a predetermined angle. In this case, the extension portion is composed of a first extension portion 1228 and a second extension portion 1229.

That is, the first extension portion 1228 is formed on the inner side of the protrusion 1224 so as to be formed in an 'H' shape as a whole when the rotation support base 124 is rotated around the rotation axis 126.

The second extension portion 1229 is formed on the outer side of the protrusion 1224 so that the second extension portion 1229 is formed in an 'X' shape as a whole when the rotation support base 124 is rotated around the rotation axis 126.

The rotation support base 124 is provided at each of the plurality of rotation areas 1222 of the center support 122 and rotates at a predetermined angle about the rotation axis 126 to adjust the position angle To provide a supporting force.

The rotary support 124 includes a rotary part 1242 which is located at one end of the rotary part 1222 and rotates at a predetermined angle in accordance with the guide of the rotary part 1222 and a guide part Is formed.

The rotation unit 1242 is formed with a rotation protrusion 1243 which is inserted into the insertion groove 1226 of the rotation unit 1222 and is guided so that rotation at a predetermined angle is stably performed.

In this case, the rotation unit 1242 is formed to have the same or similar shape as the protrusion 1224 of the rotation unit 1222, so that the rotation unit 1242 can be rotated at a constant angle along the protrusion 1224.

In addition, the seating groove 1244 is formed as a groove having a predetermined depth from the end to the inside, and one side of the auxiliary mechanism is inserted into the seating groove 1244, thereby stably holding the auxiliary mechanism.

The auxiliary mechanism includes: a straight pedestal 128 which is inserted into both ends of the plurality of rotary pedestals 124 when the plurality of rotary pedestals 124 are formed into the 'H' shape so that the lower center of the vehicle is supported; And an auxiliary footrest 129 for supporting the frame formed at the lower portion of the vehicle.
5, the rotatable pedestal 124 formed at each of both ends of the center pedestal 122 is rotated to be parallel to the rotational axis 126, and then the pedal 124 is pivoted on both ends of the rotatable pedestal 124, (128). At this time, the pin formed on the footplate 128 is seated in the seating groove 1244 formed at the end of the rotation support bracket 124, so that the footplate 128 stably remains fixed.

Needless to say, the auxiliary device can be individually selected according to the purpose of use or the user's experience. In addition, the auxiliary mechanism is not limited to the foot plate 128 or the auxiliary foot plate 129, and an auxiliary mechanism having various structures may be used depending on the size of the vehicle or the object, Either a vehicle or a means capable of stably supporting the object can be used.

In some cases, the vehicle or the object may be supported only by the rotation support pedestal 124 without installing the auxiliary mechanism.

Meanwhile, an insertion hole into which the rotation shaft 126 is inserted is formed in the rotation unit 1242 of the rotation support base 124.

The pivot shaft 126 is formed between the center pedestal 122 and the pivotal pedestal 124 to center the pivotal pedestal 124 so that the pivotal pedestal 124 can be rotated at a predetermined angle. The pivot shaft 126 may be a pin or a fastening unit composed of a bolt and a nut. Any means may be used to support the pivot bracket 124 so that the pivot bracket 124 can be easily rotated at a predetermined angle.

The use state of the above-described vehicle lift apparatus will be described below.

First, the cylinder 112 of the elevation part 110 is buried in the ground.

The position of the rotation support 124 of the support portion 120 is determined according to the size of the vehicle or the object (hereinafter, referred to as a vehicle). For example, a large-sized passenger car or a truck may have a large width of 'H' while a straight pedestal 128 may be connected to the end thereof. In the case of a small passenger car, And the auxiliary footrest 129 is used in combination. Or in the case of a motorcycle, a separate auxiliary mechanism may be used in combination.

Subsequently, when the coupling of the auxiliary mechanism to the rotation support base 124 is completed (possibly omitted in some cases), the vehicle is moved to a position where the vehicle can be stably supported by the rotation support base 124. [

Thereafter, when the upward force provided by the pressure pump 116 is provided to the cylinder 112, the piston rod 114 constituting the cylinder 112 is raised to a certain height.

Thereby performing operations such as cleaning, lustering or maintenance of the elevated vehicle.

In this case, since the piston rod 114 is configured to rotate relative to the cylinder 112, it is possible to rotate the elevated vehicle in place during cleaning, polishing, or maintenance work. Accordingly, the operator can perform various operations on the vehicle that has been raised and lowered in place.

Further, when work on the vehicle is completed, a lowering force is provided by the pressure pump 116, whereby the piston rod 114 is lowered to place the vehicle on the ground. At this time, the piston rod 114 is rotated around the cylinder 112, so that the user or the operator determines the traveling direction of the vehicle to a desired position regardless of the initial entry position of the vehicle and then sets the traveling direction.

Therefore, the vehicle lift apparatus 100 maintains a state in which the elevation portion 110 is embedded in the ground, and only the support portion 120 is protruded from the ground. Thus, the safety of the worker or passers- The accident can be prevented in advance.

In addition, in the related art, the operation line of the worker is interfered due to the state where the column (or the post) is erected. However, since the present invention does not interfere with the movement line of the worker even in the lifting state of the vehicle, Improves efficiency.

The above description is only one embodiment for implementing the vehicle lift apparatus, and the present invention is not limited to the above-described embodiment. It will be understood by those skilled in the art that various changes may be made without departing from the spirit of the invention.

100: Lift device 110:
112: cylinder 114: piston rod
116: pressure pump 120:
122: center base 1222:
1224: protrusion 1226: insertion groove
1228: first extension part 1229: second extension part
124: Rotating pedestal 1242:
1244: rotation protrusion 1246: seat groove
126: Pivot axis 128: Scaffold
129: Auxiliary footrest

Claims (5)

1. A vehicle lift apparatus for performing a work by raising a vehicle or an object at a predetermined height,
A lifting unit 110 for providing lifting force; And
And a pedestal portion (120) for raising or lowering the vehicle or the object while being lifted by a lifting force provided by the lifting portion (110), wherein the vehicle or the object is seated on the upper portion;
The elevator 110 includes a cylinder 112, which is embedded in the ground so as not to interfere with the work line and is not projected to the outside so as to improve work efficiency;
A piston rod 114 formed on the inner side of the cylinder 112 and having a predetermined height along the longitudinal direction of the cylinder 112 and having the receiving portion 120 fixed to an upper end thereof; And
And a pressure pump (116) for providing a lift to the cylinder (112) to elevate the piston rod (114) to a predetermined height;
The pedestal portion 120 includes a center pedestal 122 fixed to an upper end of the piston rod 114;
A plurality of swivel pedestals 124 formed in the center pedestal 122 for varying the position of the vehicle or the object according to the size or purpose of use of the vehicle to allow the vehicle or the object to be stably stowed; And
And a pivot 126 formed between the center pedestal 122 and the pivotal pedestal 124 to support the pivotal pedestal 124 to rotate the pivotal pedestal 124 by a predetermined angle;
The center pedestal 122 includes a pivoting area 1222 to which the pivoting pedestal 124 is coupled;
A protrusion 1224 protruding from the center pedestal 122 at a predetermined height; And
And an insertion groove 1226 formed at a predetermined depth inwardly from the protrusion 1224 to guide the rotation support 124 to rotate at a stable angle.
The rotation section 1222 includes an extension section for interrupting rotation of the rotation support section 124 by a predetermined angle to convert the plurality of rotation support sections 124 into an 'H' shape,
The rotary support 124 includes a rotary part 1242 formed at one end thereof and coupled to the center pedestal 122 by the rotary shaft 126 and rotating at a predetermined angle;
A rotation protrusion 1243 protruding from an end of the rotation part 1242 and adapted to be guided to rotate stably when the rotation part 126 rotates about the rotation axis 126; And
And a seating groove (1244) formed at the other end and having a predetermined depth for supporting the auxiliary mechanism so that the auxiliary mechanism can be stably installed and removed;
The rotation support bracket 124 formed at both ends of the center bracket 122 is rotated around the rotation shaft 126 and is stably supported by the mounting groove 1244 of the rotation support bracket 124 A configuration to smooth the lifting of the vehicle through the footrest 128;
And a lift mechanism for a vehicle. delete delete delete delete

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