Vehicle maintenance device

Abstract

To enable a plurality of types of pedestal attachments to be stored in a narrow space.SOLUTION: A vehicle maintenance device 100 has: a movable lifting device 10 having a support base 13 liftable up and down by a lifting drive unit 12 provided on a movable base 11; and a plurality of types of pedestal attachments 20 detachably attached to the support base 13 of the lifting device 10 and configured to hold various vehicle elements to be provided in a vehicle as a maintenance target. The vehicle maintenance device has a storage rack 30 provided with a plurality of storage parts 32 in which the plurality of types of pedestal attachments 20 can be respectively stored. The pedestal attachments 20 are selectively attached / detached with respect to the support base 13 of the lifting device 10 in accordance with movement and lifting operation of the lifting device 10, and the pedestal attachments 20 can be transported to the inside / outside of the storage rack 30.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an apparatus for servicing a vehicle. [Background technology]

[0002] Conventionally, there has been a vehicle maintenance device that attaches and detaches various heavy vehicle components such as the engine, transmission, battery, etc., which are installed on a vehicle to be maintained, to and from an assembly position under the vehicle, and transports these vehicle components between the underside of the vehicle and a maintenance work position outside the vehicle.

[0003] The vehicle maintenance device described in Patent Document 1 is configured to include a movable lifting device having a support platform that is lifted and lowered by a lifting drive unit on a movable platform, and a plurality of types of support attachments that are detachably attached to the support platform of the lifting device and hold various vehicle elements. The lifting device is shared by each of the plurality of support attachments. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Microfilm of Utility Model Application No. 53-075865 (Utility Model Application No. 54-176953) Summary of the Invention [Problem to be solved by the invention]

[0005] However, the conventional vehicle maintenance apparatus has the following problems. (1) A large space is required to store the lifting device and various types of support attachments.

[0006] (2) Although the present invention makes it possible to attach and detach each of the multiple types of support attachments to and from the support base of the lifting device, there is no disclosure of a method for attaching and detaching each support attachment to and from the support base. It is difficult to lift a large, heavy support attachment that holds large vehicle elements by human strength alone, or to prepare a crane, forklift, etc. each time.

[0007] (3) The vehicle element is held on a support attachment supported on the support base of the lifting device, and the lifting device is carried together with the vehicle element to a maintenance work position, where maintenance of the vehicle element is performed. During the maintenance, the lifting device is exclusively used and cannot be used for other work.

[0008] An object of the present invention is to make it possible to store a plurality of types of cradle attachments in a small space.

[0009] Another object of the present invention is to make it possible to store the lifting device and a variety of base attachments in a small space.

[0010] Another object of the present invention is to make it possible to easily attach and detach a plurality of types of support base attachments to the support base of the lifting device.

[0011] Another object of the invention is to make the lifting device available for other tasks while a vehicle element held on the cradle attachment is being serviced. [Means for solving the problem]

[0012] The invention of claim 1 is a vehicle maintenance equipment comprising a movable lifting device having a support platform on a movable platform that is raised and lowered by a lifting drive unit, and a plurality of types of receiving platform attachments that are attachable and detachable to the support platform of the lifting device and hold each of the various vehicle elements that are attached to the vehicle to be maintained, the equipment having a storage rack with a plurality of storage sections that can store each of the plurality of receiving platform attachments, and the movement and lifting action of the lifting device allows each of the receiving platform attachments to be selectively attached and detached to the support platform of the lifting device, making it possible to transport the receiving platform attachments inside and outside the storage rack.

[0013] According to a second aspect of the present invention, in the first aspect of the present invention, the storage rack further includes a storage section capable of storing a lifting device.

[0014] The invention of claim 3 is the invention of claim 1 or 2, further comprising: the lifting device provided on the support base with a support base positioning means to which the supported mounting means provided on each support base attachment can be engaged and disengaged, so that each support base attachment is guided and positioned at a support base positioning position determined on the support base.

[0015] The invention of claim 4 is an invention of any one of claims 1 to 3, further comprising a receiving platform positioning means in its storage section to which the receiving mounting means provided on each receiving platform attachment can be engaged and disengaged, so that each receiving platform attachment is guided and positioned at the receiving platform positioning position determined in the storage section.

[0016] The invention of claim 5 is an invention of any one of claims 1 to 4, further comprising: the storage rack stores each of the receiving base attachments so that the receiving base attachments can slide between a storage position and a pull-out position defined in each storage section; and the lifting device raises and lowers the support base at the pull-out position of the storage rack, so that each receiving base attachment can be attached and detached to the support base at each pull-out position.

[0017] The invention of claim 6 is the invention of claim 5, further comprising: each storage section of the storage rack being provided with a respective slider that enables each receiving base attachment to be transferred, and each slider being slidable between the storage position and pull-out position defined in the storage section.

[0018] The invention of claim 7 is an invention of any one of claims 1 to 6, further comprising a workbench on which each of the receiving base attachments can be placed, and each of the receiving base attachments can be transferred between the support base of the lifting device and the workbench by moving and lifting the lifting device.

[0019] The invention of claim 8 is the invention of claim 7, further comprising a receiving platform positioning means with which the receiving mounting means provided on each receiving platform attachment can be engaged, so that each receiving platform attachment is guided and positioned at a receiving platform positioning position defined on the worktable. Effect of the Invention

[0020] (Claim 1) (a) Since each of the multiple types of receiving base attachments is stored in the storage rack, the receiving base attachments can be stored in a small space.

[0021] By arranging a plurality of storage sections, each capable of storing a respective one of the receiving base attachments, side by side in the vertical direction, the storage space for the receiving base attachments can be made smaller.

[0022] (b) By moving the lifting device and raising and lowering the device, each of the receiving base attachments can be selectively attached to and detached from the support base of the lifting device, and the receiving base attachments can be transported inside and outside the storage rack. Therefore, multiple types of receiving base attachments can be easily attached to and detached from the support base of the lifting device.

[0023] (Claim 2) (c) Since the lifting device is also stored in the storage rack, the lifting device and a variety of support attachments can be stored in a small space.

[0024] By arranging the storage section capable of storing the lifting device on the lowest level of the storage rack, the storage space for the lifting device and multiple types of receiving base attachments can be made smaller.

[0025] (Claim 3) (d) The lifting device has a support base with a support base positioning means to which the supported mounting means provided on each support base attachment can be detachably engaged, thereby allowing each support base attachment to be smoothly guided and positioned at a support base position determined on the support base.

[0026] (Claim 4) (e) The storage rack includes a receiving platform positioning means in the storage section to which the receiving mounting means of each receiving platform attachment can be detachably engaged, thereby allowing each receiving platform attachment to be smoothly guided and positioned in the receiving platform positioning position determined in the storage section.

[0027] (Claim 5) (f) The storage rack accommodates each of the pedestal attachments so that they can slide between a storage position and a pull-out position defined in each storage section, whereby the lifting device can raise and lower the support base at the pull-out positions of the storage rack and attach and detach each of the pedestal attachments to and from the support base at the pull-out positions.

[0028] (Claim 6) (g) Each storage section of the storage rack is provided with a slider that can transfer each of the receiving base attachments, and each slider is slidable between the storage position and the pull-out position set in the storage section, thereby allowing multiple types of receiving base attachments to be easily attached and detached to the support base of the lifting device.

[0029] (Claim 7) (h) A work platform on which each of the base attachments can be placed is provided, and each of the base attachments can be transferred between the support base of the lifting device and the work platform by the movement and lifting action of the lifting device, so that while the vehicle element held by the base attachment is being maintained, the lifting device can be used for other work such as attaching and detaching other vehicle elements.

[0030] At this time, each receiving base attachment can be easily transferred to the workbench by attaching and detaching each receiving base attachment to and from the workbench through the movement and lifting operation of the lifting device.

[0031] (Claim 8) (i) The workbench is provided with a receiving platform positioning means with which the mounting means for mounting the receiving platform provided on each receiving platform attachment can be engaged, thereby allowing each receiving platform attachment to be smoothly guided and positioned at a receiving platform positioning position determined on the workbench. [Brief description of the drawings]

[0032] [Figure 1] FIG. 1 shows the transfer procedure for the receiving platform attachment, where (A) is a side view showing the receiving platform attachment and the lifting device in a stored state, (B) is a side view showing the receiving platform attachment in an extended state, (C) is a side view showing the lifting device in an extended state, and (D) is a side view showing the receiving platform attachment being handed over to the lifting device. [Diagram 2] FIG. 2 shows the lifting device, where (A) is a perspective view showing the lifted-up state, and (B) is a perspective view showing the lifted-down state. [Diagram 3] FIG. 3 shows various support attachments, where (A) is a perspective view showing a transmission attachment, (B) is a perspective view showing an engine attachment, and (C) is a perspective view showing a battery attachment. [Figure 4] FIG. 4 shows various support attachments positioned on the lifting device, where (A) is a perspective view showing the positioned state of the transmission attachment, (B) is a perspective view showing the positioned state of the engine attachment, and (C) is a perspective view showing the positioned state of the battery attachment. [Diagram 5] FIG. 5 shows a storage rack, in which (A) is a perspective view showing a stored state of the slider, and (B) is a perspective view showing a pulled-out state of the slider. [Figure 6] FIG. 6 shows a slider stored in a holder of a storage rack, where (A) is a plan view and (B) is a side view. [Figure 7] FIG. 7 shows the slider pulled out from the holder of the storage rack, (A) being a plan view and (B) being a side view. [Figure 8] FIG. 8 shows a holder of a storage rack, (A) being a plan view and (B) being a side view. [Figure 9] FIG. 9 shows a slider, where (A) is a plan view, (B) is a front view, (C) is a perspective view, and (D) is an enlarged view of a main part. [Figure 10] FIG. 10 shows the receiving base attachment, where (A) is a perspective view seen from below, and (B) is a cross-sectional view. [Figure 11] FIG. 11 shows the process of transferring the receiving base attachment to the lifting device, where (A) is a side view and (B) is a cross-sectional view taken along line BB in (A). [Figure 12] FIG. 12 shows the state where the transfer of the receiving base attachment to the lifting device is completed, (A) being a side view and (B) being a front view. [Figure 13] FIG. 13 shows the process of transferring the receiving platform attachment supported by the lifting device to the slider pulled out from the holder of the storage rack, where (A) is a side view and (B) is a cross-sectional view taken along line BB in (A). [Figure 14] FIG. 14 shows the completed state of transfer to the slider pulled out from the holder of the storage rack, where (A) is a side view and (B) is a cross-sectional view taken along line BB in (A). [Figure 15] FIG. 15 is a perspective view showing a workbench. [Figure 16] FIG. 16 shows a state in which the receiving base attachment has been transferred to the workbench, where (A) is a perspective view showing the process of transferring from the lifting device to the workbench, and (B) is a perspective view showing the completed state of transfer to the workbench. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0033] The vehicle maintenance device 100 of this embodiment is used in a vehicle maintenance factory, as shown in Figure 1, and has a lifting device 10 shown in Figures 1 and 2, multiple types of support attachments 20 shown in Figures 3 and 4, and a storage rack 30 shown in Figure 5.

[0034] As shown in FIGS. 1 and 2, the lifting device 10 includes a support table 13 that is provided on a movable table 11 and that is lifted up and down by a lifting drive unit 12 .

[0035] The movable platform 11 of the lifting device 10 has left and right casters 11B mounted on a fixed frame 11A, left and right casters 11D mounted on a swivel frame 11C, and a handle 11E mounted on the swivel frame 11C, and can be pushed and pulled by the handle 11E on the floor of a vehicle maintenance factory to move in the desired direction.

[0036] The lifting drive unit 12 of the lifting device 10 is configured by providing a lifting arm 12A consisting of two upper and lower X-shaped links provided on a fixed frame 11A of the moving base 11, and a support base 13 provided on the upper part of the lifting arm 12A. The lifting drive unit 12 expands and contracts the lifting arm 12A by a hydraulic cylinder (not shown) operated by a pneumatic pump (not shown), enabling the support base 13 to be raised and lowered between a lift-up position (FIG. 2(A)) and a lift-down position (FIG. 2(B)).

[0037] The lifting device 10 used in the practice of the present invention is not limited to the above configuration, and a conventionally known garage jack or the like may be used.

[0038] 3 and 4, the various types of support base attachments 20 are detachably attached to the support base 13 of the lifting device 10, and are capable of holding various vehicle elements such as a transmission, an engine, a battery, etc., that are provided on a vehicle to be maintained. Each support base attachment 20 is, for example, a tilt base attachment 20M for a transmission shown in Fig. 3(A), a table attachment 20E for an engine shown in Fig. 3(B), an arm attachment 20B for a battery shown in Fig. 3(C), etc.

[0039] It should be noted that the receiving base attachments 20 used in the practice of the present invention are not limited to the above-described receiving base attachments 20 (20M, 20E, 20B).

[0040] 5, the storage rack 30 includes a storage section 31 capable of storing the lifting device 10, and multiple storage sections 32 capable of storing each of the multiple types of receiving platform attachments 20 (20M, 20E, 20B). In the storage rack 30 of this embodiment, the storage sections 31, 32 are arranged side by side in the vertical direction, with one storage section 31 corresponding to the lifting device 10 arranged at the bottom, and three upper and lower storage sections 32 corresponding to each of the receiving platform attachments 20 (20M, 20E, 20B) arranged at three positions along the vertical direction above the storage section 31.

[0041] In addition, in implementing the present invention, it is not essential that storage section 31 and each storage section 32 be arranged together in the same storage rack 30, and each storage section 32 may be arranged side by side not along the vertical direction but along the horizontal direction.

[0042] The vehicle maintenance equipment 100 selectively attaches and detaches each of the receiving base attachments 20 (20M, 20E, 20B) to the support base 13 of the lifting device 10 by moving and raising and lowering the lifting device 10, making it possible to transport the receiving base attachments 20 inside and outside the storage rack 30.

[0043] The detailed structures of the lifting device 10, the receiving platform attachment 20, and the storage rack 30 will be described below.

[0044] As shown in FIGS. 1 and 5 to 9, the storage rack 30 enables the lifting device 10 to be moved in and out of a storage position within a storage section 31 by the movement of the lifting device 10 on the floor surface of a vehicle maintenance facility.

[0045] The storage rack 30 stores each of the receiving base attachments 20 (20M, 20E, 20B) so that they can slide between a storage position (FIGS. 1(A) and 5(A)) and a drawn-out position (FIGS. 1(B) and 5(B)) determined in each of the corresponding storage sections 32. As shown in FIG. 1(C) and FIG. 1(D), the lifting device 10 is drawn out of the storage section 31, and raises and lowers the support base 13 directly below the receiving base attachment 20 drawn out to the drawn-out position, making the receiving base attachment 20 attachable to and detachable from the support base 13 at the drawn-out position.

[0046] 1 and 5, the storage section 32 of the storage rack 30 is provided with three sliders 40 (40M, 40E, 40B) that can transfer each of the receiving table attachments 20 (20M, 20E, 20B). The storage rack 30 has holders 34 provided at three positions, top and bottom, and stores each slider 40 slidably between a storage position (FIG. 1(A)) and a pull-out position (FIG. 1(B)) determined for each holder 34 so that the sliders 40 can be inserted and removed.

[0047] Below, we will explain the sliding means 50 for inserting and removing each slider 40 in each holder 34 of the storage rack 30, and the slider positioning means 60 for positioning each slider 40 in the storage position (Figure 1(A)) and the pull-out position (Figure 1(B)) determined for each holder 34 when the slider 40 is inserted or removed.

[0048] 6 to 8, the sliding means 50 is provided with horizontal rollers 51A (which regulate left-right movement) and vertical rollers 51B (which regulate up-down movement) which are rotatably inserted into the left and right guide rails 35 of the holder 34 at the rear ends of the left and right frames 41 of the slider 40. The sliding means 50 is also provided with horizontal rollers 52A (which regulate left-right movement) and vertical rollers 52B (which regulate up-down movement) at both the left and right sides of the entrance of the slider 40 in each holder 34, and these horizontal rollers 52A and vertical rollers 52B are rotatably connected to the left and right guide rails 42 provided on the left and right frames 41 of the slider 40. As a result, by pushing and pulling the left and right frames 41 relative to the holder 34 using the insertion / removal handles 41H provided at the front ends of each of the left and right frames 41 and protruding outward on both the left and right sides, the horizontal rollers 51A and vertical rollers 51B roll along the guide rails 35 of the holder 34, and the horizontal rollers 52A and vertical rollers 52B roll along the guide rails 42 of the slider 40, allowing the slider 40 to be smoothly inserted and removed in the front-to-back direction within the corresponding holder 34.

[0049] At this time, the stopper plates 41P provided at the front ends of the left and right frames 41 of the slider 40 pressed into each holder 34 hit the stopper parts 34S provided at the front ends of the holders 34, stopping the slider 40 in its stored position. Also, the vertical rollers 51B provided at the rear ends of the left and right frames 41 of the slider 40 pulled out of each holder 34 hit the stopper plates 34P provided at the front ends of the holders 34, stopping the slider 40 in its pulled out position.

[0050] As shown in Figures 6 to 8, the slider positioning means 60 has plate-shaped slider locks 61 that are vertically swingable on left and right support brackets 61K provided on the left and right sides of the entrance for the slider 40 in each holder 34. The left and right slider locks 61 are connected by a lock bar 61L that crosses the entrance from left to right. Each slider lock 61 has a tendency to fall downward due to the weight of the lock bar 61L that crosses the entrance in the left-right direction, and the slider lock 61 can be lifted upward by manually operating a lock release lever 61A provided at the upper end of each slider lock 61 downward. On the other hand, the slider positioning means 60 is provided with a protruding mountain-shaped storage stopper 62A protruding from the front end of the slider 40 facing the entrance / exit side of the holder 34 on the upper surfaces of the left and right guide rails 42 of each slider 40, and a protruding mountain-shaped extension stopper 62B protruding from the rear end side of the slider 40. When the slider 40 is stored in the holder 34 from the extension side, the slider positioning means 60 has a transfer roller 61R provided on each slider lock 61 climb over the gentle slope of the storage stopper 62A and engage with the lock surface side, preventing further extension, and positions the slider 40 at the storage position by the collision of the stopper portion 34S and the stopper plate 41P described above (FIG. 6). Furthermore, when the slider 40 is to be pulled out from the storage position, the slider lock 61 is lifted upward using the lock release lever 61A to release the above-mentioned engagement between the transfer roller 61R and the storage stopper 62A, and then the slider 40 is pulled out from the holder 34 using the insertion / removal handle 41H. The transfer roller 61R of the slider lock 61 climbs over the gentle slope of the pull-out stopper 62B and engages with the locking surface side, preventing it from being pushed in again, and the collision between the stopper plate 34P and vertical roller 51B mentioned above positions the slider 40 in the pull-out position (FIG. 7).

[0051] Each receiving platform attachment 20 is provided with a supported mounting means 21 and a stored mounting means 22 as described below (FIG. 10) for guiding and positioning the receiving platform attachment 20 at each of the receiving platform positioning positions P1 (FIG. 12) and P2 (FIG. 14) determined on the support platform 13 of the lifting device 10 and each storage section 32 (slider 40) of the storage rack 30. The stored mounting means 22 is also used as a placed mounting means 23 as described later.

[0052] In the receiving base attachment 20 of this embodiment, the supported mounting means 21 and the stored mounting means 22 are provided at the same positions and in the same shapes on the lower surfaces of the respective attachments 20M, 20E, and 20B.

[0053] Further, in the following, the engine attachment 20E or the transmission attachment 20M will be described as a representative example of the base attachment 20, but the same applies to the other battery attachment 20B.

[0054] That is, as shown in Figures 11 and 12, the lifting device 10 is provided with a receiving platform positioning means 70 on its support platform 13 to which the supported mounting means 21 provided on each receiving platform attachment 20 can be engaged and disengaged, and the presence of the receiving platform positioning means 70 guides and positions each receiving platform attachment 20 to the receiving platform positioning position P1 defined on each support platform 13.

[0055] The receiving base positioning means 70 provided on the support base 13 of the lifting device 10 is composed of a receiving base loading guide 71 and a receiving base lock pin 72. The supported mounting means 21 provided on each receiving base attachment 20 is composed of a supported loading guide 21G that guides the receiving base loading guide 71 to introduce the receiving base loading guide 71 that rises with the rise of the support base 13, and a supported lock hole 21L into which the receiving base lock pin 72 engages and is locked when it protrudes from the support base 13.

[0056] In this embodiment, as shown in Fig. 10, the receiving base attachment 20 is provided with a pair of supported insertion guides 21G and supported lock holes 21L at each of the four corners (left and right front and rear ends) of the underside of the main body 20A, forming the supported mounting means 21. Each supported insertion guide 21G is formed of a guided surface that protrudes downward from the underside of the main body 20A and expands downward. The guided surfaces of the left and right opposing supported insertion guides 21G face each other, and these guided surfaces are expanded downward as described above. Each supported lock hole 21L opens sideways near the inner side of a pair of supported insertion guides 21G.

[0057] The lifting device 10 has outward vertical surfaces extending in the front-to-rear direction on both left and right sides of the support base 13, which is a roughly rectangular plate-like body, serving as left and right receiving base loading guides 71. The lifting device 10 also has receiving base lock pins 72 that protrude outward on both left and right sides of the support base 13 and are provided at each of the four corners (both left and right front and rear ends) of the upper part of the support base 13, using front and rear pin operation handles 72H provided at two positions, front and rear, of the support base 13.

[0058] Therefore, the lifting device 10 engages and disengages the left and right receiving platform loading guides 71 of the lifting support platform 13 with the guided surfaces of the supported loading guides 21G of the receiving platform attachment 20 below the receiving platform attachment 20 waiting in the slider 40 pulled out from the holder 34 of the storage rack 30. At the same time, the receiving platform lock pin 72, which is projected outward by operating the pin operating handle 72H at the raised end of the support platform 13, is engaged and disengaged with the supported lock hole 21L of the receiving platform attachment 20. As a result, each receiving platform attachment 20 is guided to the receiving platform positioning position P1 determined on the support platform 13 of the lifting device 10, and is positioned by being locked against free movement in the three directions of front, rear, left, right, up and down, or can be made to move away from the receiving platform positioning position P1.

[0059] On the other hand, as shown in Figures 13 and 14, the storage rack 30 is provided with a receiving platform positioning means 80 in its storage section 32 (slider 40) to which the receiving mounting means 22 of each receiving platform attachment 20 can be engaged and detached, and the presence of the receiving platform positioning means 80 guides and positions each receiving platform attachment 20 to the receiving platform positioning position P2 defined in each storage section 32 (slider 40).

[0060] The receiving platform positioning means 80 provided on the slider 40 of the storage rack 30 is composed of a receiving platform loading guide 81 and a receiving platform lock pin 82. The stored object mounting means 22 provided on each receiving platform attachment 20 is composed of a receiving platform loading guide 22G that is guided to be introduced into the receiving platform loading guide 81 when the receiving platform attachment 20 positioned on the support platform 13 of the lifting device 10 descends together with the support platform 13, and a stored object lock hole 22L that is engaged with the receiving platform lock pin 82 and locked.

[0061] In this embodiment, as shown in Fig. 10, the receiving base attachment 20 is provided with a pair of a storage introduction guide 22G and a storage lock hole 22L at each of the four corners (left and right, front and rear ends) of the underside of the main body 20A, forming the storage mounting means 22. Each storage insertion guide 22G is made of a guided portion that protrudes downward from the underside of the main body 20A. Each storage lock hole 22L opens downward at the side near the inside of a pair of storage insertion guides 22G.

[0062] The slider 40 of the storage rack 30 is provided with receiving table loading guides 81 at two positions, one at the front side and one at the rear side of each of the left and right frames 41, each having a guided surface that expands outward and upward on the slider 40. Each receiving table lock pin 82 is provided so as to protrude upward on the inner side of each frame 41 located beside the receiving table loading guide 81.

[0063] Therefore, the left and right storage loading guides 22G of the receiving platform attachment 20, which is positioned on the support platform 13 of the lifting device 10 and descends from above as the support platform 13 descends, fit into the receiving platform loading guides 81 of the slider 40 pulled out from the holder 34 of the storage rack 30, and at the same time, the storage lock holes 22L of the receiving platform attachment 20 engage with the receiving platform lock pins 82 of the slider 40. As a result, each receiving platform attachment 20 is guided to the receiving platform positioning position P2 determined by the slider 40 (storage section 32) of the storage rack 30, and is positioned by being locked against free movement in two directions, front, back, left and right. Note that each receiving platform attachment 20 may be locked against free movement in the up and down direction at the receiving platform positioning position P2.

[0064] On the other hand, the support base 13 of the lifting device 10 rises from below the receiving base attachment 20 positioned at receiving base positioning position P2 of the slider 40 pulled out from the holder 34 of the storage rack 30, and after the receiving base attachment 20 is positioned at receiving base positioning position P1 set on the support base 13, when the support base 13 rises further, the storage lock hole 22L of the receiving base attachment 20 disengages from each receiving base lock pin 82 provided on the slider 40. As a result, each receiving base attachment 20 moves away from the receiving base positioning position P2 set on the slider 40 (storage section 32) of the storage rack 30, and is transferred to the receiving base positioning position P1 on the support base 13.

[0065] The work platform 90 of the vehicle maintenance apparatus 100 will be described below. That is, as shown in Fig. 15 and Fig. 16, the vehicle maintenance apparatus 100 has a work platform 90 on which the receiving base attachments 20 can be placed, and each receiving base attachment 20 can be transferred between the support base 13 of the lifting device 10 and the work platform 90 by the movement and lifting action of the lifting device 10. The work platform 90 has four casters 91 at four positions on the lower part, and can be freely moved on the floor of a maintenance workshop by being pushed by an operator with the receiving base attachment 20 holding a vehicle element placed thereon.

[0066] The workbench 90 is provided with receiving platform positioning means 95 on the left and right frames 92, with which the receiving platform mounting means 23 provided on each receiving platform attachment 20 can be engaged, and the presence of the receiving platform positioning means 95 guides and positions each receiving platform attachment 20 to a receiving platform positioning position P3 (FIG. 16) determined on the workbench 90. The receiving platform positioning means 95 comprises a receiving platform insertion guide 96 and a receiving platform lock pin 97. In this embodiment, the receiving platform mounting means 23 is also used as the above-mentioned stored mounting means 22, and is provided with a stored platform insertion guide 22G and a stored platform lock hole 22L (it should be noted that the receiving platform mounting means 23 may be provided separately and independently from the stored mounting means 22). Here, the receiving platform loading guide 96 and receiving platform lock pin 97 provided on the workbench 90 are similar to the receiving platform loading guide 81 and receiving platform lock pin 82 provided on the left and right frames 41 of each slider 40 in the storage rack 30, respectively, and the receiving platform loading guide 96 and receiving platform lock pin 97 are provided at the same positions as the receiving platform loading guide 81 and receiving platform lock pin 82 on each of the left and right frames 92, which are assumed to have the same dimensions and shape as those frames 41.

[0067] Therefore, the receiving platform attachment 20, which has been positioned on the support platform 13 of the lifting device 10 as described above and is separated from the slider 40 of the storage rack 30, has its stored loading guides 22G constituting the placement mounting means 23 (stored mounting means 22) engage with the receiving platform loading guides 96 (corresponding to the receiving platform loading guide 81) of the work platform 90 as the support platform 13 descends relative to the work platform 90, and at the same time its stored locking holes 22L engage with the receiving platform locking pins 97 (corresponding to the receiving platform locking pins 82) of the work platform 90, and is guided and positioned at the receiving platform positioning position P3 described above. On the other hand, when the support base 13 of the lifting device 10 rises relative to the workbench 90 and the receiving base attachment 20 on the workbench 90 is lifted, the storage lock hole 22L of the receiving base attachment 20 disengages from the receiving base lock pin 97 (corresponding to the receiving base lock pin 82) of the workbench 90, and due to the action of the aforementioned receiving base positioning means 70 (receiving base loading guide 71, receiving base lock pin 72) provided on the support base 13, the receiving base attachment 20 is transferred to the receiving base positioning position P1 on the support base 13 in the same manner as described above, and the receiving base attachment 20 moves away from the receiving base positioning position P3 on the workbench 90 as the lifting device 10 moves.

[0068] Next, a procedure for using the vehicle maintenance device 100 will be described (FIGS. 1, 11 to 16). (1) The lifting device 10 and each of the receiving base attachments 20 (20M, 20E, 20B) are stored in the storage section 31 and each of the storage sections 32 of the storage rack 30 (FIG. 1(A)).

[0069] In FIG. 1(A), the lifting device 10 is retracted so that the support base 13 is located at the lowest position, and is pushed into the storage position in the storage section 31 and stored.

[0070] Each receiving platform attachment 20 is positioned at the receiving platform positioning position P2 defined for each corresponding slider 40 (storage section 32) of the storage rack 30, and is pushed into the storage position in the holder 34 corresponding to that slider 40 and stored therein.

[0071] As described above, each receiving platform attachment 20 is positioned at the storage position by the engagement between the transfer roller 61R of the slider lock 61 and the storage stopper 62A and by the action of the stopper plate 41P.

[0072] (2) The slider 40, which is positioned at the receiving positioning position P2 of the desired receiving attachment 20 (Figure 1(B)), such as the mission attachment 20M, is pulled out from the storage position in the corresponding holder 34 in the storage rack 30 to the pulled-out position (Figure 1(B)).

[0073] As described above, each receiving base attachment 20 is positioned at the pulled-out position by the engagement between the transfer roller 61R of the slider lock 61 and the pull-out stopper 62B and the action of the stopper plate 34P.

[0074] (3) The lifting device 10 is moved outside the storage section 31 of the storage rack 30, and the support base 13 of the lifting device 10 is positioned directly below the receiving base attachment 20, which is positioned at the receiving base positioning position P2 of the slider 40 pulled out of the holder 34 in the storage rack 30 described above in (2) (Figure 1(C)).

[0075] (4) The lifting arm 12A of the lifting device 10 is extended to raise the support base 13, and the receiving base attachment 20 positioned on the slider 40 described above in (2) is positioned at the receiving base positioning position P1 defined on the support base 13, while being moved away from the receiving base positioning position P2 defined on the slider 40 described above in (3) (Figure 1(D)).

[0076] (5) By moving the lifting device 10, the receiving base attachment 20 described above in (4) positioned on the support base 13 is positioned directly below the vehicle element (transmission) of the vehicle to be maintained that is lifted up in the maintenance workshop. By moving the lifting device 10 and raising and lowering the support base 13, the vehicle element is removed from the bottom of the vehicle and held by the receiving base attachment 20 (20M) on the support base 13.

[0077] (6) The receiving platform attachment 20 and the vehicle element positioned on the support platform 13 of the lifting device 10 described above in (5) are carried into the frame 92 of the work platform 90 waiting in the maintenance workshop, and the vehicle element described above in (5) held by the receiving platform attachment 20 positioned on the support platform 13 is positioned and placed at the receiving platform positioning position P3 defined on the frame 92 of the work platform 90 (Figure 16(A)).

[0078] (7) The lifting device 10 described above in (6) is moved from the work platform 90, and in the state shown in Fig. 16(B), the vehicle element held by the receiving attachment 20 transferred to the work platform 90 is maintained. As a result, the receiving attachment 20 and the vehicle element are transferred from the lifting device 10 to the work platform 90, and the lifting device 10 can be used for other maintenance work.

[0079] (8) The receiving base attachment 20 that has been holding the vehicle element for which the maintenance work according to (7) above has been completed in the order of (1) to (6) above is transported out of the work platform 90 by the movement and lifting action of the lifting device 10 in the reverse order of (6) to (1) above, the vehicle element held on the receiving base attachment 20 is separated and reattached to the underside of the vehicle by the movement and lifting action of the lifting device 10, the receiving base attachment 20 is re-stored in the slider 40 (storage section 32) that has been pulled out of the storage rack 30 in an empty state without any vehicle elements by the movement and lifting action of the lifting device 10, the lifting device 10 that has been separated from the receiving base attachment 20 is re-stored in the storage section 31 of the storage rack 30, and the slider 40 and receiving base attachment 20 that have been pulled out of the storage rack 30 are re-stored in the storage section 32 of the storage rack 30, thereby returning the receiving base attachment 20 to the initial state of (1) above.

[0080] Therefore, the vehicle maintenance device 100 of this embodiment provides the following advantageous effects. (a) Since each of the multiple types of receiving base attachments 20 is stored in the storage rack 30, the receiving base attachments 20 can be stored in a small space.

[0081] By arranging a plurality of storage sections 32, each capable of storing one of the receiving base attachments 20, side by side in the vertical direction, the storage space for the receiving base attachments 20 can be made smaller.

[0082] (b) By moving and raising and lowering the lifting device 10, each of the receiving base attachments 20 can be selectively attached to and detached from the support base 13 of the lifting device 10, making it possible to transport the receiving base attachments 20 inside and outside the storage rack 30. Therefore, multiple types of receiving base attachments 20 can be easily attached to and detached from the support base 13 of the lifting device 10.

[0083] (c) Since the lifting device 10 is also stored in the storage rack 30, the lifting device 10 and a variety of receiving base attachments 20 can be stored in a small space.

[0084] By arranging the storage section 31 capable of storing the lifting device 10 at the lowest level of the storage rack 30, the storage space for the lifting device 10 and the multiple types of receiving platform attachments 20 can be made smaller.

[0085] (d) The lifting device 10 is provided with a receiving platform positioning means 70 on its support platform 13 to which the supported mounting means 21 provided on each receiving platform attachment 20 can be engaged and disengaged. This allows each receiving platform attachment 20 to be smoothly guided and positioned at the receiving platform positioning position P1 determined on the support platform 13.

[0086] (e) The storage rack 30 is provided with a receiving platform positioning means 80 in its storage section 32 to which the receiving mounting means 22 provided on each receiving platform attachment 20 can be engaged and detached. This allows each receiving platform attachment 20 to be smoothly guided and positioned at the receiving platform positioning position P2 defined in the storage section 32.

[0087] (f) The storage rack 30 stores each of the receiving platform attachments 20 so that the receiving platform attachments 20 can slide between a storage position and a pull-out position defined in each storage section 32. This allows the lifting device 10 to raise and lower the support platform 13 at the pull-out positions of the storage rack 30, and to attach and detach each of the receiving platform attachments 20 to and from the support platform 13 at those pull-out positions.

[0088] (g) Each storage section 32 of the storage rack 30 is provided with a slider 40 that can transfer each of the receiving base attachments 20, and each slider 40 is slidable between the stored position and the drawn-out position defined in the storage section 32. This allows multiple types of receiving base attachments 20 to be easily attached to and detached from the support base 13 of the lifting device 10.

[0089] (h) A work platform 90 is provided on which each of the receiving attachments 20 can be placed, and each of the receiving attachments 20 can be transferred between the support base 13 of the lifting device 10 and the work platform 90 by the movement and lifting action of the lifting device 10. This allows the lifting device 10 to be used for other work such as attachment and detachment of other vehicle elements during maintenance of the vehicle element held on the receiving attachment 20.

[0090] At this time, each receiving base attachment 20 can be easily transferred to and removed from the workbench 90 by moving and raising and lowering the lifting device 10.

[0091] (i) The workbench 90 is provided with a receiving platform positioning means 95 that is engageable with the receiving platform mounting means 23 provided on each receiving platform attachment 20. This allows each receiving platform attachment 20 to be smoothly guided and positioned at the receiving platform positioning position P3 defined on the workbench 90.

[0092] Although an embodiment of the present invention has been described in detail above with reference to the drawings, the specific configuration of the present invention is not limited to this embodiment, and the present invention also includes design changes and the like that do not deviate from the gist of the present invention. [Industrial Applicability]

[0093] According to the present invention, the storage rack allows multiple types of cradle attachments to be stored in a small space.

[0094] Furthermore, according to the present invention, the presence of the storage rack makes it possible to store the lifting device and a variety of support attachments in a small space.

[0095] Furthermore, according to the present invention, the presence of the storage rack allows a variety of support base attachments to be easily attached to and detached from the support base of the lifting device.

[0096] Also, according to the invention, the presence of a work platform makes it possible to utilize the lifting device for other tasks while the vehicle element held on the cradle attachment is being serviced. [Explanation of symbols]

[0097] 100 Vehicle maintenance equipment 10 Lifting device 11 Mobile stand 12 Lifting drive unit 13 Support stand 20, 20M, 20E, 20B Support attachment 21 Attachment means for supported 22 Attachment means for storage 23 Attachment means for placement 30 Storage Rack 31, 32 Storage area 40 Slider 70 Positioning means for receiving platform 80 Positioning means for receiving platform 90 Workbench 95 Positioning means for receiving platform P1 Positioning position for support table P2 Positioning position for support stand P3 Positioning position for support stand

Claims

1. a movable lifting device having a support table that is lifted and lowered by a lifting drive unit on a movable table; a vehicle maintenance device having a plurality of types of support attachments that are detachably attached to the support base of the lifting device and that hold various vehicle elements that are provided on a vehicle to be maintained, A storage rack is provided with a plurality of storage sections capable of storing each of a plurality of types of receiving base attachments, A vehicle maintenance device characterized in that each of the receiving base attachments can be selectively attached and detached to the support base of the lifting device by moving and lifting the lifting device, thereby making it possible to transport the receiving base attachments inside and outside the storage rack.

2. The vehicle maintenance apparatus of claim 1 , wherein the storage rack also includes a storage section capable of storing a lifting device.

3. The lifting device includes a support base positioning means on the support base to which the supported mounting means provided on each support base attachment can be engaged and disengaged, 3. Apparatus for vehicle maintenance according to claim 1 or 2, wherein each cradle attachment is guided and positioned at a cradle position defined on said support base.

4. The storage rack includes a receiving base positioning means in the storage section to which the receiving base mounting means of each receiving base attachment can be engaged and disengaged.

4. Apparatus for vehicle maintenance according to claim 1, wherein each cradle attachment is guided and positioned in a cradle position defined in said recess.

5. The storage rack stores each of the receiving base attachments in a slidable manner between a storage position and a pull-out position defined in each storage section, 5. A vehicle maintenance apparatus according to claim 1, wherein said lifting device lifts and lowers the support base at the pulled-out position of said storage rack, and enables each of said receiving base attachments to be attached to and detached from said support base at said pulled-out position.

6. Each storage section of the storage rack is provided on a slider that can transfer each of the receiving base attachments, 6. The vehicle maintenance device of claim 5, wherein each slider is slidable between the retracted position and the extended position defined in the storage section.

7. A vehicle maintenance device as described in any one of claims 1 to 6, further comprising a work platform on which each of the receiving base attachments can be placed, and each of the receiving base attachments can be transferred between the support platform of the lifting device and the work platform by moving and lifting the lifting device.

8. The workbench includes a receiving platform positioning means with which the receiving platform mounting means of each receiving platform attachment can be engaged; 8. Apparatus for vehicle maintenance as claimed in claim 7, wherein each cradle attachment is guided and positioned at a cradle position defined on said work platform.

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