JP2016008090A - Placement base device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a placement base device having a placement plate part which may slide in a horizontal direction.SOLUTION: A placement base device 1 according to the invention includes: a placement base body 2; a placement plate part 3 disposed on the placement base body 2; slide members which are fixed to one of the placement base body 2 and the placement plate part 3, provided between the placement base body 2 and the placement plate part 3, and slidably support the placement plate part 3; and an operation lever 5 serving as an operation part which conducts slide operation of the placement plate part 3.

Description

  The present invention relates to a mounting table device that is mounted on a self-propelled lifting carriage or the like and mounts a load.

  In general, railcars are regularly maintained (inspected and maintained) for parts such as brakes, motors, and wheels that are essential for traveling. In such maintenance work, the carriage is removed from the vehicle body, and the carriage is attached to the vehicle body again after the maintenance is completed.

  In this way, when attaching and detaching the carriage, place the table lifter that can be raised and lowered below the rail car, remove the carriage from the car body, place it on the table lifter, lower the table lifter, and then go to the workplace with a forklift Carrying. Moreover, when attaching a trolley | bogie to a vehicle body, placing the trolley | bogie which completed the maintenance on a table lifter, raising it, and attaching a trolley | bogie to a vehicle body is indicated by the following patent document 1. FIG.

JP 2010-241304 A

  However, when the carriage is mounted on the vehicle body, the carriage must be placed on the lifting platform in accordance with the mounting position of the vehicle body, and certain precision is required for positioning the carriage placed on the lifting platform, and the carriage is mounted. There has been a problem that it is difficult to finely adjust the position of the carriage in accordance with the mounting position of the vehicle body after raising the placed table lifter.

  Accordingly, the present invention provides a mounting table device in which the mounting plate portion slides in the horizontal direction relative to the mounting table main body, and the horizontal position of the load placed on the mounting plate portion can be finely adjusted. The purpose is to provide.

  The mounting table device according to claim 1 is fixed to either the mounting table main body and the mounting plate portion disposed on the upper portion of the mounting table main body, and the previous mounting table main body or the previous mounting plate portion. A plurality of sliding members which are provided between the mounting table main body and the mounting plate portion and support the mounting plate portion so as to be slidable; and an operation unit which slides the mounting plate portion. It is characterized by having.

  The mounting table device according to claim 2 is characterized in that a rod-like connecting shaft portion projecting downward is provided on the lower surface of the mounting plate portion, and the operation portion is attached to the connecting shaft portion.

The mounting table apparatus according to claim 3 is provided with a cylindrical sliding range restricting portion protruding upward on the upper surface of the mounting table main body, and a circular shape through which the sliding range restricting portion is inserted in the mounting plate portion. 5. The mounting table device according to claim 4, wherein a diameter of the sliding range regulating hole is larger than a diameter of the sliding range regulating portion. The portion is composed of a first grip portion that slides the mounting plate portion in the front-rear direction and a second grip portion that slides the mounting plate portion in the left-right direction.

  According to invention of Claim 1, a mounting board part can be slid to a horizontal direction with respect to a mounting base main body.

  According to the invention of claim 2, since the mounting plate portion and the operation lever are directly connected, the mounting plate portion can be directly slid by operating the operation lever.

  According to invention of Claim 3, the sliding range of a mounting board part can be controlled.

  According to invention of Claim 4, a mounting board part can be slid to the front and back, and right and left, respectively.

It is a perspective view of the mounting base main body which shows Example 1 of this invention. It is a perspective view of a mounting board part same as the above. It is a perspective view of a mounting base apparatus same as the above. It is a principal part perspective view of the mounting base apparatus of the state which removed the mounting plate part same as the above. It is a principal part perspective view of a mounting base apparatus same as the above. It is a top perspective view and back perspective view of an operation lever same as the above. It is a perspective view of a free bearing same as the above. FIG. 6 is a perspective view of the connecting pin in a state where the eyebolt is screwed. It is a top view of the mounting base apparatus of the state which moved the mounting plate part to the left direction to the maximum same as the above. It is a left view of a mounting base apparatus same as the above. It is a perspective view of a holding part extension member same as the above.

  Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention.

  Hereinafter, a first embodiment of the mounting table device of the present invention will be described with reference to FIGS. In the present embodiment, the upper side, lower side, left side, and right side in FIG. 10 are the front side, rear side, left side, and right side of the mounting table device, respectively.

  The mounting table device 1 of the present embodiment includes a mounting table main body 2 having a substantially rectangular shape in plan view, a mounting plate part 3 disposed above the mounting table main body 2, a mounting table main body 2 and a mounting plate part 3. A free bearing 4 serving as a sliding member disposed between them and an operating lever 5 for sliding the mounting plate portion 3 are provided.

  The mounting table main body 2 includes a rectangular plate-shaped bottom plate portion 11, an outer wall 12 which is an upper surface of the bottom plate portion 11 and stands upward from an outer peripheral end, and a plurality of inner walls formed in the front / rear / left / right direction inside the outer wall 12. 13 is provided.

  The outer wall 12 includes a front outer wall 14, a rear outer wall 15, a left outer wall 16, and a right outer wall 17 disposed on the front, rear, left and right of the upper surface of the mounting table main body 2. The front outer wall 14 and the rear outer wall 15 are each formed with two operation lever insertion holes 18 which are elliptical through holes for inserting the operation lever 5.

  A shaft support portion 19 that pivotally supports the operation lever 5 is formed at the upper and lower portions of the operation lever insertion hole 18. The shaft support portion 19 has two upper and lower plate shapes each having a substantially triangular shape that protrudes in the front-rear direction from the front outer wall 14 and the rear outer wall 15, and each of the upper and lower shaft support portions 19 has a shaft hole that is a circular through hole. 20 is formed.

  The inner wall 13 has a plate shape thinner than the outer wall 12, and the front outer wall 14 and the rear wall are disposed between the plurality of vertical inner walls 21 and the vertical inner walls 21 formed in parallel with the left outer wall 16 and the right outer wall 17. It is composed of a plurality of lateral inner walls 22 formed in parallel with the outer wall 15. The arrangement of the inner wall 13 in the present embodiment is as shown in FIG. 1, but other arrangements may be used as long as they maintain a certain strength and have an interval for disposing the free bearing 4.

  A plurality of rectangular storage portions 23 formed by the outer wall 12 and the inner wall 13 are formed on the upper surface of the bottom plate portion 11, and the free bearing 4 is disposed in the storage portion 23. Although there are a plurality of storage units 23 having various sizes, the storage unit 23 is symmetrical to the front and rear with respect to the axis H shown in FIG. Further, the free bearings 4 arranged in the storage portion 23 are also arranged so as to be symmetrical in the front-rear and left-right directions about the axes H and V.

  Further, as shown in FIG. 1, four rectangular plate portions 24 having a rectangular shape in plan view that close the upper portion of the storage portion 23 are provided, and the upper surface of the rectangular plate portion 24 is the same as the upper surfaces of the outer wall 12 and the inner wall 13. It is formed in one. A cylindrical sliding range restricting portion 25 described later is formed on the upper surface of the rectangular plate portion 24.

  On the upper surface of the outer wall 12, a rectangular plate-shaped pinching prevention member 26 that prevents a human finger from being pinched in the gap between the mounting table main body 2 and the mounting plate portion 3 is provided. It should be noted that the four corners of the upper surface of the outer wall 12 are sandwiched so as not to block the anti-slip tool insertion hole 28 described later, and no prevention member 26 is provided.

  The outer surface 32 of the pinching prevention member 26 is flush with the outer surface 33 of the outer wall 12. Further, the width M of the pinching prevention member 26 is formed to be larger than a difference L (see FIG. 9) between a diameter of a sliding range restricting portion 25 and a diameter of a sliding range restricting hole 47 which will be described later. Even when the portion 3 moves to the maximum extent, the operator's finger is prevented from entering the outer wall 12. In addition, in order to prevent the front and rear pinching prevention member 26 from abutting a connecting shaft portion 50 to be described later and restricting the sliding of the mounting plate portion 3, a semicircular semicircular recess portion 34 is provided at each of the front and rear portions. Two places are formed.

  At the four corners of the outer wall 12, there are formed anti-sliding tool insertion holes 28 through which the anti-sliding tool 27 that holds the mounting plate portion 3 so as not to slide relative to the mounting table main body 2 is inserted. The anti-slip device 27 includes an entire screw portion 29 that is screwed into a screw groove formed on the inner surface of the anti-slip device insertion hole 28 and a rectangular column portion 30 that is gripped by a wrench or the like when the anti-slide device 27 is rotated. It has. The anti-slip device 27 is inserted into the four anti-slip device insertion holes 28 from below, and the upper end of the anti-slip device 27 protrudes upward from the upper surface of the outer wall 12 to the four corners of the mounting plate portion 3. The mounting plate portion 3 can be held so as not to slide in the horizontal direction by being inserted into the formed sliding prevention hole 31 that is a circular through hole.

  Next, the free bearing 4 will be described with reference to FIG. The free bearing 4 includes a hemispherical ball receiving portion (not shown) having an upper opening, and a plurality of small balls (not shown) are placed in the ball receiving portion, and one large ball is placed on the small ball. 41, and the ball receiving portion is covered with a cylindrical outer body 43 in which an upper surface through hole 42 which is a circular through hole is formed on the upper surface. The diameter of the upper surface through hole 42 is smaller than the diameter of the large ball 41, and a part of the large ball 41 protrudes from the upper surface through hole 42 to the outside. The large ball 41 can freely rotate 360 ° on the small ball, so that the placing plate portion 3 placed on the upper portion of the large ball 41 can slide 360 ° in the horizontal direction.

  In addition, an annular fixing portion 44 protruding outward in the horizontal direction is formed at the lower end of the outer body 43. Since the free bearing 4 is fixed to the bottom plate portion 11 of the mounting table body 2 by bolts 45 and nuts (not shown), the fixing portion 44 has four bolt holes 46 that are through holes for inserting the bolts 45. The place is formed.

  When the free bearing 4 is fixed to the bottom plate portion 11 of the mounting table body 2, the position of the upper end of the large ball 41 is designed to be higher than the pinching prevention member 26 disposed on the upper surface of the outer wall 12, The lower surface of the mounting plate portion 3 is in contact with only the large ball 41 and slides easily in the horizontal direction.

  The maximum loading load of the mounting table device 1 of the present embodiment is 7000 kg and 50 free bearings 4 are used. However, the number of free bearings 4 can be changed as appropriate depending on the set maximum loading load.

  Next, the mounting plate portion 3 will be described with reference to FIG. The mounting plate portion 3 has a rectangular plate shape, and the lengths in the front, rear, left and right are respectively formed to the same dimensions as the lengths of the mounting table main body 2 in the front, rear, left and right directions. Further, the mounting plate portion 3 has a sliding range restriction hole which is a circular through hole having a diameter larger than that of the sliding range restriction portion 25 at a position corresponding to the sliding range restriction portion 25 formed in the placement base body 2. 47 is formed in four places.

  The mounting plate portion 3 is formed with four eyebolt holes 49 for screwing eyebolts 48 through which wires or the like are inserted when the mounting plate portion 3 is lifted by a crane or the like. The eyebolt 48 can be attached to and detached from the mounting plate portion 3, and may be removed in advance when a load is placed on the mounting plate portion 3.

  In addition, on the lower surface near the front and rear ends of the mounting plate portion 3, two cylindrical connecting shaft portions 50 that protrude downward are formed in front and rear portions. By inserting the connecting shaft portion 50 into a connecting shaft portion insertion hole 51 formed in the operation lever 5, the operation lever 5 is pivotally supported by the mounting plate portion 3. Therefore, the operation lever 5 is detachable with respect to the mounting plate portion 3.

  The mounting plate portion 3 is mounted on the mounting table main body 2 at positions where the four sliding range restricting portions 25 formed on the mounting table main body 2 are respectively inserted into the four sliding range restricting holes 47. The lower surface of the mounting plate portion 3 is in contact with only the large ball 41 of the free bearing 4, and the clearance between the mounting plate portion 3 and the pinching prevention member 26 is designed so as not to allow human fingers to enter. Yes.

  In addition, in the state where the mounting plate portion 3 is mounted, the upper surface of the sliding range restricting portion 25 is not higher than the upper surface of the mounting plate portion 3.

  The sliding range restriction hole 47 of the mounting plate portion 3 has a diameter larger than that of the sliding range restriction portion 25, and the difference L (the difference between the diameter of the sliding range restriction portion 25 and the diameter of the sliding range restriction hole 47 ( When the mounting plate portion 3 can slide in the horizontal direction by the amount corresponding to FIG. 9) and the side surface of the sliding range restricting portion 25 comes into contact with the side surface of the sliding range restricting hole 47, the mounting plate portion 3. However, it is regulated not to slide further in the contact direction. Further, since both the sliding range restricting portion 25 and the sliding range restricting hole 47 are formed in a circular shape, the mounting plate portion 3 can be slid evenly by 360 ° in the horizontal direction.

  Next, the operation lever 5 will be described with reference to FIG. 6 is a plan perspective view of the operation lever 5, and the right view is a rear perspective view of the operation lever 5. FIG. The operating lever 5 includes a first lever 61 as a first gripping member and a second lever 62 as a second gripping member that the operator grips and operates.

  The first lever 61 has an elongated plate shape, and includes a linear first gripping portion 63 and a connecting portion 64 bent from the first gripping portion 63 by approximately 60 °. The first bent portion 65 located between the first gripping portion 63 and the connecting portion 64 is a through-hole through which a connecting pin 66 that supports the shaft supporting portion 19 and the first lever 61 of the mounting table body 2 is inserted. A certain connecting pin insertion hole 67 is formed. Furthermore, a cylindrical insertion hole cylindrical portion 68 that extends the connection pin insertion hole 67 is formed on both surfaces of the first bent portion 65.

  The connecting pin 66 includes a cylindrical pin main body 69 and a disc-shaped retaining portion 70 formed on the head of the connecting pin 66. Further, a taper portion 71 is formed at the lower end portion of the pin main body 69 so as to taper downward. The connecting pin 66 is formed with an eye bolt hole 73 into which the eye bolt 72 can be inserted and screwed from above.

  On the other hand, the second lever 62 has an elongated plate shape, and includes a linear second gripping portion 74 and an assembly portion 75 bent from the second gripping portion 74 by approximately 30 °. A connecting shaft portion insertion hole 51, which is a circular through hole through which the connecting shaft portion 50 formed in the mounting plate portion 3 is inserted, is formed on the distal end side of the assembly portion 75. The connecting portion 64 of the first lever 61 is disposed substantially in the left-right direction, and the second lever 62 is disposed substantially in the front-rear direction so as to intersect the connecting portion 64.

  The connecting portion 64 of the first lever 61 is pivotally supported by a second bent portion 76 and a lever shaft portion 77 located between the second gripping portion 74 and the assembly portion 75 of the second lever 62. Yes.

  Here, a method for attaching and detaching the operation lever 5 will be described. To attach the operation lever 5, first, the assembly portion 75 of the second lever 62 is inserted from the operation lever insertion hole 18, and the connection shaft portion 50 is inserted through the connection shaft portion insertion hole 51. Next, the connection pin insertion hole 67 is aligned with the position of the shaft hole 20, and the connection pin 66 is inserted into the connection pin insertion hole 67 and the shaft hole 20 from above. The connecting pin 66 is completely inserted until the retaining portion 70 contacts the upper shaft support portion 19, so that the first lever 61 is pivotally supported by the upper and lower shaft support portions 19.

  On the other hand, in order to remove the operation lever 5, the eyebolt 72 is screwed into the connecting pin 66 and the connecting pin 66 is pulled out from the connecting pin insertion hole 67 and the shaft hole 20. Next, the operation lever 5 can be removed by removing the connection shaft portion 50 from the connection shaft portion insertion hole 51 and pulling out the assembly portion 75 from the operation lever insertion hole 18.

  In this embodiment, the operation lever 5 is mounted diagonally one by one on the front and rear sides. However, when mounting on the front right side and rear left side of the mounting table body 2, the operation lever 5 is mounted with the surface shown in the left view of FIG. When mounting on the front left side and the rear right side of the mounting table body 2, the mounting table body 2 is mounted with the surface shown in the right view of FIG. In addition, the number and position of the operation lever 5 attached to the mounting base main body 2 can be changed suitably.

  The operating lever 5 can slide the mounting plate portion 3 back and forth by rotating the first lever 61 left and right, and can rotate the mounting plate portion 3 by rotating the second lever 62 left and right. Can slide left and right. Therefore, the operator can slide the mounting plate portion 3 in an arbitrary direction by operating the first lever 61 and the second lever 62.

  Further, the operating lever 5 of the present embodiment is detachable from the grip portion extending member 78 shown in FIG. The grip portion extending member 78 has a hollow cylindrical shape, and a crushed crush portion 79 is formed at one end, and the first grip portion 63 and the second grip portion 74 of the operation lever 5 are connected from the crush portion 79 side. It can be inserted. The first gripping portion 63 is gradually formed wider toward the first bent portion 65, and the second gripping portion 74 is also formed wider gradually toward the second bent portion 76. When the first gripping portion 63 and the second gripping portion 74 are inserted into the gripping portion extension member 78 by a certain amount or more, the gripping portion extension member 78 is fitted to the operation lever 5.

  On the other hand, the other end of the grip extension member 78 is covered with a thin synthetic rubber 80. This prevents the operator from hurting his / her hand when gripping the grip portion extension member 78 and has an anti-slip effect.

  The operation lever 5 can be easily attached even when a heavy object is placed on the placement plate 3 by extending the lengths of the first grip 63 and the second grip 74 by attaching the grip extension member 78. Can be rotated.

  The mounting table device 1 according to the present embodiment is disposed on an upper portion of a link mechanism (not shown) provided in a self-propelled lifting carriage (not shown). As shown in FIG. On the lower surface of the main body 2, a link fixing portion 81 that is an attachment portion to the link mechanism and a roller rolling portion 82 that is a groove in which a link roller (not shown) rolls when the link mechanism expands and contracts are formed on the left and right, respectively. Has been.

  As described above, in the present embodiment, the mounting table body 2 and the mounting plate portion 3 disposed on the mounting table main body 2 and the mounting table body 2 or the mounting plate portion 3 are fixed and mounted. Free bearings 4 as a plurality of sliding members provided between the mounting base body 2 and the mounting plate portion 3 and slidably supporting the mounting plate portion 3, and sliding operation of the mounting plate portion 3 By providing the operation lever 5 as the operation unit to be operated, the operator can easily slide the mounting plate unit 3 in the horizontal direction by operating the operation lever 5.

  Further, in this embodiment, a rod-shaped connecting shaft portion 50 that protrudes downward is provided on the lower surface of the mounting plate portion 3, and the operation lever 5 is attached to the connecting shaft portion 50. Since the operation lever 5 is directly connected, the placement plate portion 3 can be slid directly by operating the operation lever 5.

  In the present embodiment, the upper surface of the mounting table body 2 is provided with a cylindrical sliding range restricting portion 25 protruding upward, and the mounting plate portion 3 has a circular shape through which the sliding range restricting portion 25 is inserted. The sliding range restricting hole 47 is formed, and the diameter of the sliding range restricting hole 47 is formed larger than the diameter of the sliding range restricting portion 25, so that the placing plate portion 3 is located with respect to the placing stand main body 2. The sliding range can be regulated. Moreover, the mounting plate part 3 can be slid evenly by 360 ° in the horizontal direction.

  In this embodiment, the operating lever 5 is a first lever 61 as a first holding member that slides the mounting plate 3 in the front-rear direction, and a first lever 61 that slides the mounting plate 3 in the left-right direction. By being configured by the second lever 62 as the two gripping members, the operator can slide the mounting plate portion 3 in the front-rear direction and the left-right direction, respectively.

  In addition, this invention is not limited to the said Example, A various deformation | transformation implementation is possible within the range of the summary of this invention. For example, the mounting table main body and the mounting plate portion may have other shapes such as a circular shape. Further, the mounting table device may be used by being mounted on a work table other than the self-propelled lifting cart, or may be used by being directly installed on the floor of the work place.

DESCRIPTION OF SYMBOLS 1 Mounting table apparatus 2 Mounting table main body 3 Mounting plate part 4 Free bearing (sliding member)
5 Operation lever (operation unit)
25 Sliding range restricting portion 47 Sliding range restricting hole 50 Connecting shaft portion 61 First lever (first gripping member)
62 Second lever (second gripping member)

Claims (4)

A mounting table main body and a mounting plate portion disposed on the top of the mounting table main body;
Fixed to either the mounting table main body or the mounting plate part described above, provided between the mounting table main body and the mounting plate part described above, a plurality of slidably supporting the mounting plate part A sliding member;
A mounting table device comprising: an operation unit that slides the mounting plate unit.   The mounting table apparatus according to claim 1, wherein a bar-shaped connecting shaft portion projecting downward is provided on a lower surface of the mounting plate portion, and the operation portion is attached to the connecting shaft portion. The upper surface of the mounting table main body is provided with a cylindrical sliding range restricting portion protruding upward,
The mounting plate portion is formed with a circular sliding range regulating hole that passes through the sliding range regulating portion,
The mounting table device according to claim 1 or 2, wherein a diameter of the sliding range regulating hole is formed larger than a diameter of the sliding range regulating portion.   The operation unit includes a first holding member that slides the mounting plate in the front-rear direction and a second holding member that slides the mounting plate in the left-right direction. The mounting table device according to any one of claims 1 to 3.

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