JP2006036381A - Lifting device for vehicle maintenance - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily perform work that a swing arm is moved to a side end of a lift table by rotation movement or the swing arm positioned at the side end of the lift table is set on an upper surface of the lift table in a lifting device for vehicle maintenance in which each two swing arms for supporting the vehicle are turnably and pivotally mounted onto the upper surface of the liftable lift table. <P>SOLUTION: The lift device for vehicle maintenance is formed such that the two swing arms 4, 5 are arranged on the lift table 3 while closely contacting base parts with each other. The lift device is provided with a swing arm driving means comprising a cylindrical roller 6 projectedly provided on an end surface of the base part of one swing arm 4 and a lifting cylinder 8 for vertically lifting the roller 6 at a side surface part of the lift table 3. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a lift device for vehicle maintenance used for inspection, maintenance, etc. of vehicles, particularly passenger cars, in a vehicle maintenance factory or the like.

  Conventional lift devices for vehicle maintenance include a hydraulic-synchronized horizontal twin lift that lifts a pair of left and right lift tables with a hydraulic cylinder. In the example of the hydraulic lift shown in FIG. 6, a plurality of swing arms b pivotally supported along the table surface are provided on the side of the lift table a, and the tip ends of these swing arms b are provided. The vehicle is lifted by abutting the receiving brackets c provided on the vehicle body to the respective support points of the vehicle body.

Further, in a lift device in which a swing arm for supporting a vehicle is pivotally attached to the upper surface of a lift table that can be moved up and down, the swing arm is moved to a side end portion of the lift table by rotation and locked. Some of them can be formed (for example, see Patent Document 1).
JP-A-10-181543

  In the lift device disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 10-181543), the swing arm for supporting a vehicle is set on the upper surface of the lift table by human power, or the lift device by human power is used. Since the work of rotating and storing on the side of the table is performed, there is a problem that the worker requires labor and the workability is poor.

  The present invention solves the above-mentioned problems, and by rotating and storing the swing arm on the side of the lift table and setting it on the upper surface of the lift table using power, the labor of the operator is reduced and the workability is excellent. An object of the present invention is to provide a lift device for vehicle maintenance.

  In order to achieve the above-mentioned object, the present invention can horizontally rotate the upper surface of the lift table with a swing arm for supporting the vehicle as a fulcrum at the side end of the lift table that can be moved up and down. In the vehicle maintenance lift device which is pivotally attached to the lift table and is configured to be rotatable and housed on the side of the lift table so as to be substantially the same as the upper surface of the lift table, the swing arm is rotatably housed on the side of the lift table. And swing arm driving means using power for setting the swing arm on the upper surface of the lift table.

  According to the present invention, the swing arm is set on the upper surface of the lift table to support the vehicle, or is rotated and stored on the side of the lift table so that it is substantially the same as the upper surface of the lift table when the swing arm is not used. Can be performed only by the operator operating the operation valve of the swing arm driving means, and the labor of the operator can be greatly reduced.

  In addition, a total of 4 swing arms on the left and right sides of the pair of left and right tables are set on the upper surface of the lift table at a time by operating the operation valve, or on the side of the lift table so as to be substantially the same as the upper surface of the lift table Since it is stored in a rotating manner, it has the effect of greatly improving work efficiency.

  Examples of the best mode of the lift device for vehicle maintenance of the present invention will be described below.

  In this embodiment, the present invention is applied to a hydraulic twin lift device having a pair of left and right lift tables. FIG. 1 is a perspective view of one lift 1 of a twin lift device composed of a pair of left and right lifts. is there.

  The lift 1 is formed by attaching an upper attachment 2 that supports a vehicle to an upper portion of a plunger 9 that is embedded in a floor surface and moves up and down by oil pressure.

  The upper attachment 2 includes a lift table 3 and two swing arms 4 and 5 that are rotatable in the horizontal direction on the upper surface of the lift table 3.

  The swing arms 4 and 5 are arranged with their roots close to each other, and each of the swing arms 4 and 5 has an arm fulcrum bracket 4a or 5a, and the swing arm 4 or 5a via the arm fulcrum brackets 4a and 5a. 5 is pivotally attached to the side end of the lift table 3 so as to be pivotable up and down.

  That is, when the arm fulcrum bracket 4a or 5a is rotated upward, the swing arm 4 or 5 is positioned on the upper surface of the lift table 3, and the arm fulcrum bracket 4a or 5a is moved downward. When pivoted, the swing arm 4 or 5 is housed on the side surface of the lift table 3.

  The swing arms 4 and 5 are pivotally attached to the arm fulcrum bracket 4a or 5a so as to be rotatable about pins 4b or 5b provided on the arm fulcrum brackets 4a and 5a. Is on the upper surface of the lift table 3, the swing arms 4 and 5 are rotatable in the horizontal direction at the level position on the upper surface of the lift table 3 with the pin 4 b or 5 b as a fulcrum. Reference numeral 4c denotes an engaging claw described later.

  The operation of setting the swing arms 4 and 5 on the upper surface of the lift table 3 or rotating and storing the swing arms 4 and 5 on the side surfaces of the lift table 3 can be performed by swing arm driving means using fluid pressure such as air.

  The structure of the swing arm driving means will be described with reference to FIG.

  A cylindrical roller 6 protrudes from an end surface portion of the one arm fulcrum bracket 4a, and an elevating cylinder 8 on which a rod 8a moves up and down by a fluid pressure such as air is provided on a side surface portion of the lift table 3. A push-up plate 7 is provided on the rod 8a of the lift cylinder 8 so as to move up and down together with the rod 8a.

  The upper end portion of the push-up plate 7 is engaged with the roller 6, and the roller 6 moves up and down together with the up-and-down movement of the push-up plate 7, so that the arm fulcrum bracket 4 a is on the upper surface of the lift table 3. Or rotationally moved to the side surface of the lift table 3.

  The relationship between the arm fulcrum bracket 4a and the push-up plate 7 at this time is shown in FIGS.

  FIG. 3 shows a state where the push-up plate 7 is lowered. At this time, the arm fulcrum bracket 4 a and the swing arm 4 are housed on the side surface of the lift table 3.

  FIG. 4 shows a state in which the push-up plate 7 is slightly lifted and the arm fulcrum bracket 4a and the swing arm 4 are being lifted.

  FIG. 5 shows a state in which the push-up plate 7 is raised to the top position, and the arm fulcrum bracket 4 a and the swing arm 4 are set on the upper surface of the lift table 3.

  A plate-like engagement claw 4c as shown in FIG. 2 protrudes from the side surface of the root portion of the arm fulcrum bracket 4a. The engaging claw 4c is formed so as to be engageable with the side surface of the root portion of the arm fulcrum bracket 5a disposed in the vicinity, and the arm fulcrum bracket 4a rotates upward as shown in FIGS. When moving, the adjacent arm fulcrum bracket 5a simultaneously moves to the upper surface of the lift table 3 by the pressing action of the engaging claw 4c.

  A state where the engaging claw 4c is engaged with the adjacent arm fulcrum bracket is shown in FIG.

  That is, since the swing arm 5 is interlocked with the movement of the swing arm 4, the two swing arms 4 and 5 are moved simultaneously by the operation of the swing arm driving means, and the state from the state 4 and 5 shown in FIG. It is possible to shift to the state of '5' or from the state of 4 ', 5' to the state of 4,5.

  Next, a method of using the lift device for vehicle maintenance according to the present invention and effects thereof will be described.

  The hydraulic twin lift device has a structure having a pair of left and right lift tables 3 by combining a lift 1 '(not shown) substantially the same as the lift 1 shown in FIG.

  When the lifts 1 and 1 'are at the lowest descent limit, the upper surface of the upper attachment 2 of both lifts is set to be substantially the same as the floor so as not to interfere with the entry and exit of the vehicle. Each swing arm 4, 5 is housed on the side surface of each lift table 3.

  When a vehicle is put on the upper attachment 2 and the swing arms 4 and 5 are set on the lift tables 3 in order to lift the vehicle, an operation valve (not shown) of the elevating cylinder 8 is operated. The upper push-up plate 7 is raised, the arm push-up roller 6 engaged with the push-up plate 7 is pushed up, and the swing arm 4 and the swing arm 5 are moved to the upper surface of the lift table 3. (See FIGS. 3 to 5).

  The swing arms 4 and 5 that have moved to the upper surface of the lift table 3 are horizontally swung along the upper surface of the lift table 3, extend and contract the arm length, and are attached to the distal ends of the swing arms 4 and 5. After adjusting the height of the rubber and setting each receiving rubber to contact the optimum lift point of the vehicle, the plunger 9 is raised to hold the vehicle at a desired height, Perform maintenance and inspection work.

  When the vehicle maintenance and inspection work is completed and the vehicle is lowered to the floor, the swing arms 4 and 5 used are shortened and the swing arms 4 and 5 are connected to the side edges of the upper surface of the lift table 3. The swing arms 4 and 5 are rotated and housed on the side surfaces of the lift tables 3 by operating the operation valve of the elevating cylinder 8.

  The swing arms 4 and 5 can be moved manually.

  In the present embodiment, the case where the present invention is applied to the hydraulic twin lift device has been described. However, this may be applied to another lift device having a lift table.

  INDUSTRIAL APPLICABILITY The present invention is used for a vehicle maintenance lift device for inspecting and maintaining a passenger car or the like in a vehicle maintenance factory or the like.

It is a perspective view of the lift of this invention. It is a perspective view which shows the structure of the swing arm drive means of the said lift. It is explanatory drawing of the action | operation of the said swing arm drive means. It is explanatory drawing of the action | operation of the swing arm drive means. It is explanatory drawing of the action | operation of the swing arm drive means. It is a top view of an example of the conventional lift apparatus.

Explanation of symbols

1 Lift 3 Lift Table 4, 5 Swing Arm 4c Engaging Claw 6 Roller 8 Lifting Cylinder

Claims (5)

  A swing arm for supporting a vehicle is pivotally attached to a side end of a lift table that can be moved up and down so that the upper surface of the lift table can be pivoted in the horizontal direction with the root of the swing arm as a fulcrum. In the lift device for vehicle maintenance formed so as to be able to rotate and be stored on the side of the lift table so as to be substantially the same as the upper surface of the table, the swing arm can be rotated and stored on the side of the lift table and the swing arm on the upper surface of the lift table. A vehicle maintenance lift device provided with swing arm driving means using power for performing setting.   The swing arm driving means includes a cylindrical roller projecting from an end surface portion of a root portion of the swing arm, and an elevating cylinder provided on the lift table so as to move the roller up and down on the side surface of the lift table. The lift device for vehicle maintenance according to claim 1, comprising:   2. The lift device for vehicle maintenance according to claim 1, wherein the two swing arms are arranged close to each other at a side end portion of the lift table so that end surfaces of the root portions face each other.   The swing arm driving means is attached to one of the two swing arms attached to the lift table, and the side of the root of the one swing arm is engageable with the root of the other swing arm. When the one swing arm is moved to the side surface of the lift table or the top surface of the lift table by operating the swing arm driving means by projecting a joint claw, the engaging claw is the root of the other swing arm. The lift device for vehicle maintenance according to claim 2 or 3, wherein the two swing arms are configured to move in conjunction with each other. The rotary storage of the swing arm on the side surface of the lift table and / or the setting of the swing arm on the upper surface of the lift table can be performed manually or operated using the swing arm driving means. The lift device for vehicle maintenance as described in 1.

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