JP5101588B2 - Elevator guide shoe replacement jig - Google Patents

Description

  The present invention relates to an elevator including a guide shoe having a sliding contact portion that is in sliding contact with a guide rail, and a shoe box that holds the sliding contact portion and is fixed to a car, and replacement of the sliding contact portion of the guide shoe is provided. The present invention relates to a guide shoe replacement jig for elevators.

  In general, elevator cars are lifted and lowered by being guided by the guide rails when the guide shoes provided on the elevator cars are engaged with the guide rails standing on the hoistway. Yes. The guide shoe has a sliding contact portion that is in sliding contact with the guide rail, and a shoe box that holds the sliding contact portion and is fixed to the car. Since the sliding contact portion of the guide shoe is always in sliding contact with the guide rail, it wears over time as the car is raised and lowered. If the sliding contact portion of the guide shoe is worn beyond a certain level, the riding comfort of the car is adversely affected. For this reason, the sliding contact portion of the guide shoe is regularly replaced.

  In general, a pair of guide shoes provided on both sides of a car engages with corresponding ones of two guide rails, so that the car is guided up and down by the guide rails. Here, the load is applied to the car because of its structural reasons, and the car is often guided in the direction of any of the guide rails. Therefore, since the sliding contact portion of the guide shoe is strongly pressed against the guide rail by the above-described uneven load, the sliding contact portion of the guide shoe is replaced unless the car is displaced in a direction to reduce the above-described uneven load. I couldn't.

  Therefore, conventionally, a stat bolt is provided so that it can be screwed from a member fastened to the guide rail. By pressing the car with this stat bolt, the above-mentioned uneven load is reduced, and the guide shoe replacement is performed to replace the sliding portion of the guide shoe. A jig has been proposed (see Patent Document 1).

JP-A-8-133626

  The above-described conventional guide shoe replacement jig is formed so that the vertical and horizontal length dimensions of the main body portion fastened to the guide rail are several times larger than the dimensions in the direction perpendicular to the longitudinal direction of the guide rail. Therefore, there is a problem that the whole is enlarged and transportation becomes complicated. In addition, when replacing the sliding contact portion of the guide shoe, the guide shoe replacement jig is attached to and removed from the guide rail through the screwing back and forth of the stud bolt. There was also a complicated problem.

  The present invention has been made from the actual situation in the above-described prior art, and an object of the present invention is to easily replace the sliding contact portion of the guide shoe and to replace the guide shoe of the elevator that can realize downsizing. To provide a jig.

  In order to achieve the above object, an elevator guide shoe replacement jig according to the present invention includes a car, a guide rail that guides the raising and lowering of the car, a sliding contact portion that slides on the guide rail, and the sliding rail. There is an elevator including a guide shoe having a shoe box that holds a contact portion and is fixed to the car, and a locking member that is fixed to the car and prevents the car from being detached from the guide rail. In the elevator guide shoe replacement jig used to replace the sliding contact portion of the guide shoe, the tip portion contacting the guide rail and the operation positioned on the opposite side of the tip portion and gripped by the operator And a long member that is disposed between the distal end portion and the operation portion, and that extends along the extending direction of the guide rail. And al made the body member is characterized in that a wedge member inserted between the body member and the guide rail.

  In the present invention configured as described above, when the sliding contact portion of the guide shoe is replaced, the operation portion of the main body member is gripped so that the main body member comes into contact with the guide rail and the contact portion In this state, the wedge member is inserted and pushed in between the guide rail and the operation portion of the main body member. As a result, the tip of the body member that abuts on the guide rail forms a fulcrum, the abutment that abuts on the locking member forms an action point, and the operation portion of the body member that a wedge member abuts forms a force point. The locking member fixed to the car is moved relative to the guide rail, that is, the car is moved relative to the guide rail, and is added to the car given to the guide rail via the guide shoe fixed to the car. The influence of the uneven load can be reduced, and the pressing force of the guide shoe against the guide rail due to the uneven load applied to the car can be reduced. As a result, the sliding contact portion of the guide shoe can be easily replaced. In addition, the present invention has a simple configuration including a main body member having a distal end portion, an operation portion, and an abutting portion, and a wedge member, and the dimension in the width direction perpendicular to the longitudinal direction of the main body member is guided. Since it can set small compared with the dimension of the guide rail of the direction orthogonal to the longitudinal direction of a rail, size reduction can be implement | achieved.

  In the elevator guide shoe replacement jig according to the present invention as set forth in the invention described above, the main body member is made of a rigid metal plate. In the present invention configured as described above, since the main body member is made of a rigid metal plate, a large contact area can be secured between the main body member and the wedge member between the guide rail and the operation portion of the main body member. The member can be inserted stably, contributing to the effective use of the lever principle.

  In the elevator guide shoe replacement jig according to the present invention, in the above invention, the contact portion of the main body member is formed in a substantially L shape in a side view and is disposed on the anti-separation member. The main body member also serves as a fall prevention portion for preventing the main body member from falling. In the present invention configured as described above, since the main body member abutting portion that also serves as a fall prevention portion can prevent the main body member from being dropped during the replacement operation, the sliding contact portion of the guide shoe without fear of the main body member falling. Can be easily exchanged and contributes to improving the efficiency of the exchange work.

  In the elevator guide shoe replacement jig according to the present invention as set forth in the invention described above, the wedge member is made of an elastic body. In the present invention configured as described above, since the wedge member is made of an elastic body, it is possible to prevent damage to the guide rail and the main body member which are in contact with the wedge member, and it is possible to realize a highly reliable replacement operation.

  The present invention is arranged between the tip portion that contacts the guide rail that guides the car, the operation portion that is positioned on the opposite side of the tip portion and is gripped by the operator, and the tip portion and the operation portion. Since the main body member having a contact portion that comes into contact with the locking member fixed to the car and a wedge member inserted between the main body member and the guide rail, the sliding contact portion of the guide shoe is provided. When exchanging, the influence of the offset load applied to the car can be reduced by the lever principle, and the pressing force of the guide shoe against the guide rail can be reduced. As a result, the sliding contact portion of the guide shoe can be easily replaced, the efficiency of the replacement work can be improved as compared with the conventional one, and the burden on the replacement operator can be reduced as compared with the conventional one. . In addition, the present invention is a simple configuration including a main body member having a tip portion, an operation portion, and an abutting portion, and a wedge member, and the width direction dimension orthogonal to the longitudinal direction of the main body member is guided. Since it can be set smaller than the dimension of the guide rail in the direction orthogonal to the longitudinal direction of the rail, downsizing can be realized and excellent transportability can be ensured as compared with the conventional case.

It is a front view which shows the state which has arrange | positioned the main body member with which one Embodiment of the guide shoe replacement | exchange jig | tool based on this invention is provided in the case of replacement | exchange of the sliding contact part of a guide shoe. It is a side view of FIG. It is a front view which shows the state which inserted the wedge member with which the guide shoe replacement | exchange jig | tool which concerns on this embodiment was equipped between the guide rail and the main body member in the case of replacement | exchange of the sliding contact part of a guide shoe. It is a top view which shows the principal part structure of the elevator in which the guide shoe exchange jig concerning this embodiment is used. FIG. 5 is a side view of FIG. 4.

  Embodiments of an elevator guide shoe replacement jig according to the present invention will be described below with reference to the drawings.

  FIG. 4 is a plan view showing a main configuration of an elevator in which the guide shoe replacement jig according to the present embodiment is used, and FIG. 5 is a side view of FIG.

  As shown in FIGS. 4 and 5, the elevator includes a car 6, a pair of guide rails 1 that guide the raising and lowering of the car 6, a sliding contact portion 3 b that slides on the guide rails 1, and this And a guide shoe 3 having a shoe box 3 a that holds the sliding contact portion 3 b and is fixed to the car 6. A total of four guide shoes 3 are provided on the left and right and top and bottom. In addition, a total of four detachment prevention members 7 extending from the car 6 toward the guide rail 1 and engaging with the guide rail 1 are provided at the middle position between the upper and lower guide shoes 3. ing. When the car 6 is greatly shaken, the detachment prevention member 7 suppresses the displacement of the car 6 so that the car 6 does not come off the guide rail 1.

  FIG. 1 is a front view showing a state in which a main body member provided in an embodiment of a guide shoe replacement jig according to the present invention is disposed in replacing a sliding contact portion of a guide shoe, FIG. 2 is a side view of FIG. FIG. 3 is a front view showing a state in which the wedge member provided in the guide shoe replacement jig according to the present embodiment is inserted between the guide rail and the main body member when the sliding portion of the guide shoe is replaced.

  As shown in FIGS. 1 and 2, the guide shoe exchanging jig according to the present embodiment includes a front end portion 4 a that contacts the guide rail 1 and an operation unit that is positioned on the opposite side of the front end portion 4 a and is gripped by an operator. 4b, a main body that is disposed between the tip portion 4a and the operation portion 4b, has an abutting portion 4c that abuts against the locking member 7 and extends along the extending direction of the guide rail 1. A member 4 is provided. The dimension in the width direction orthogonal to the longitudinal direction of the main body member 4 is set sufficiently smaller than the dimension of the guide rail 1 in the direction orthogonal to the longitudinal direction of the guide rail 1 as shown in FIG. Moreover, the guide shoe replacement jig according to the present embodiment includes a wedge member 5 inserted between the main body member 4 and the guide rail 1 as shown in FIG.

  The main body member 4 is made of, for example, a rigid metal plate. The abutting portion 4c of the main body member 4 is formed, for example, in a substantially L shape in a side view and is disposed on the anti-separation member 7 and also serves as a fall prevention portion for preventing the main body member 4 from falling. Further, the wedge member 5 described above is made of an elastic body, for example.

  When the sliding contact portion 3b of the guide shoe 3 is replaced, for example, the operation portion 4b of the main body member 4 is gripped, and the main body member 4 is brought into contact with the guide rail 1 as shown in FIGS. The main body member 4 is positioned with respect to the height direction by placing the main body member 4 in contact with the anti-separation member 7. To do. In this state, as shown in FIG. 3, the wedge member 5 is inserted between the guide rail 1 and the operation portion 4 b of the main body member 4 and pushed.

  When the wedge member 5 is pushed in this way, the front end portion 4a of the main body member 4 that abuts on the guide rail 1 is a fulcrum, the abutment portion 4c that abuts on the locking member 7 is the operating point, and the main body member on which the wedge member 5 abuts According to the lever principle in which the operating portion 4b forms a force point, the locking member 7 fixed to the car 6 moves relative to the guide rail 1, that is, the car 6 moves relative to the guide rail 1 in the right side of FIG. Move in the direction. The movement of the car 6 reduces the influence of the unbalanced load applied to the car 6 applied to the guide rail 1 via the guide shoe 3 fixed to the car 6, and is added to the car 6. The pressing force of the guide shoe 3 against the guide rail 1 due to the eccentric load can be reduced. Further, the car 6 displaced as described above by the wedge member 3 is held at the displaced position.

  The displacement direction of the car 6 at this time is a direction included in the Y direction of FIG. Further, the displacement amount of the car 6 can be adjusted by adjusting the pushing position of the wedge member 5. For example, the car 6 can be greatly displaced as the wedge member 5 is pushed deeper downward.

  When the position of the car 6 is adjusted with respect to the X direction orthogonal to the Y direction in FIG. 4, a guide shoe 3 provided with a sliding contact portion 3b to be replaced by using a unloading band or the like (not shown). Is carried out by tying up the guide rail 1 and the car 6 that are located on the opposite side of the guide rail 1 that engages.

  According to the guide shoe exchanging jig according to the present embodiment configured as described above, when the sliding contact portion 3b of the guide shoe 3 is replaced, as described above, the eccentric load applied to the car 6 by the lever principle. Can be reduced, and the pressing force of the guide shoe 3 against the guide rail 1 can be reduced. As a result, the sliding contact portion 3b of the guide shoe 3 can be easily replaced, the efficiency of the replacement work can be improved, and the burden on the replacement operator can be reduced. In addition, the present embodiment is a simple configuration including the main body member 4 having the tip portion 4 a, the operation portion 4 b, and the contact portion 4 c and the wedge member 5, and is orthogonal to the longitudinal direction of the main body member 4. Since the dimension in the width direction is set smaller than the dimension of the guide rail 1 in the direction orthogonal to the longitudinal direction of the guide rail 1, it is possible to achieve downsizing and ensure excellent transportability. Can do.

  Further, since the main body member 4 is made of a rigid metal plate, a large contact area can be secured between the main body member 4 and the wedge member 5, whereby the wedge member 5 is interposed between the guide rail 1 and the operation portion 4 b of the main body member 4. Can be inserted stably, contributing to the effective use of the lever principle.

  In addition, the contact portion 4c of the main body member 4 also serving as a fall prevention portion can prevent the main body member 4 from being dropped during the replacement work, so that the sliding contact portion 3b of the guide shoe 3 can be prevented from dropping. The replacement can be performed easily, which contributes to improving the efficiency of the replacement work.

  Further, since the wedge member 5 is made of an elastic body, it is possible to prevent damage to the guide rail 1 and the main body member 4 with which the wedge member 5 comes into contact, and it is possible to realize a highly reliable replacement operation.

DESCRIPTION OF SYMBOLS 1 Guide rail 3 Guide shoe 3a Shoe box 3b Sliding contact part 4 Main body member 4a Tip part 4b Operation part 4c Contact part 5 Wedge member 6 Carriage 7 Stop prevention member

Claims (4)

A guide rail that guides the raising and lowering of the car, a sliding contact part that is in sliding contact with the guide rail, and a guide shoe that has a shoe box that holds the sliding contact part and is fixed to the car; An elevator provided with an anti-slip member fixed to the car and preventing the car from detaching from the guide rail, and used for exchanging the sliding contact portion of the guide shoe. In the ingredients
A tip portion that contacts the guide rail, an operation portion that is located on the opposite side of the tip portion and is gripped by an operator, and is disposed between the tip portion and the operation portion, and contacts the locking member. A main body member comprising a long member having a contact portion and extending along the extending direction of the guide rail;
An elevator guide shoe replacement jig comprising a wedge member inserted between the main body member and the guide rail. In the elevator guide shoe replacement jig according to claim 1,
The guide shoe replacement jig for an elevator, wherein the main body member is made of a rigid metal plate. In the elevator guide shoe replacement jig according to claim 1,
The abutment portion of the main body member is formed in a substantially L shape in a side view and is disposed on the anti-separation member, and also serves as a fall prevention portion for preventing the main body member from falling. Guide shoe replacement jig. In the elevator guide shoe replacement jig according to any one of claims 1 to 3,
An elevator guide shoe replacement jig, wherein the wedge member is made of an elastic body.

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