JPH0885688A - Assembly method of car frame - Google Patents

Abstract

PURPOSE: To provide an assembly method of a car frame capable of connecting an upper frame and a vertical frame by eliminating work at an unstable position by way of using a stepladder. CONSTITUTION: A vertical frame devised free to move along a guide rail is arranged, a floor receiving member 5 is arranged at specified height of the guide rail, after arranging a floor 20 on this floor receiving member 5, connecting work between an upper frame 30 and a vertical frame 10 is carried out without using a stepladder from on the floor 20, and thereafter, the vertical frame 10 and the floor 20 are connected between them in a state where the vertical frame 10 is moved upward by specified height.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of assembling a car frame in an elevator.

[0002]

2. Description of the Related Art A conventional method of assembling a car frame in an elevator is as follows. First, the assembly base is fixed to a pair of guide rails that are already installed and fixed to the elevator hoistway wall, and then two pieces are mounted on the assembly base. Put the vertical frame on and temporarily fix it, and use the winch to carry in the floor between the temporarily fixed vertical frames, and use the chain block to lower the floor so that the floor becomes almost horizontal. Adjust to the proper position and fix to the vertical frame. Then, as shown in FIG. 10, the upper frame 30 was carried in, the stepladder 32 was installed on the floor 20, and the operator used the stepladder 32 to connect the upper frame 30 and the vertical frame 10.

Further, according to the method of assembling the car frame disclosed in Japanese Patent Laid-Open No. 61-69681, in order to simplify the position adjustment of the floor, a mark is preliminarily provided on the floor at a position to be aligned with the core of the guide rail. There is a device that can be automatically adjusted to the proper position by installing this mark and the core of the guide rail at the time of installation.

[0004]

However, according to the conventional method of assembling the car frame, when the upper frame 30 and the vertical frame 10 are connected to each other, the stepladder 32 is installed on the floor 20 and the connecting work is performed from the stepladder 32. However, the work was performed in an unstable posture, and there was a problem in safety and efficiency.

An object of the present invention is to provide a method of assembling a car frame which can connect the upper frame and the vertical frame without the need for work in an unstable posture using a stepladder.

[0006]

In order to achieve the above object, the present invention provides a method for assembling an elevator car frame including an upper frame, a floor, and a vertical frame, in which the vertical frame is arranged and a predetermined height is set. After placing a substantially horizontal floor receiving member on the floor position and arranging the floor on the floor receiving member, the vertical frame and the upper frame are connected from the floor, and then the vertical frame is moved to the predetermined height. It is characterized in that the upper frame floors are connected in this state by moving upward by a distance corresponding to that.

[0007]

In the method for assembling the car frame according to the present invention, as described above, the floor receiving member is previously arranged at a predetermined height position with respect to the vertical frame, the floor is arranged on the floor receiving member, and then the upper frame is arranged. Since the vertical frame and the vertical frame are connected, the floor is located above the vertical frame by a predetermined height above the specified state, and the upper frame and the vertical frame can be easily connected from the floor. Moreover, since the vertical frame is moved upward by a predetermined height to connect the floor and the vertical frame, the floor and the vertical frame are in the specified positional relationship, and the floor and the vertical frame are placed on the floor as before. Work using the unstable stepladder placed will be eliminated, and work will be safer and more efficient than before.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 8 is a perspective view showing an assembling state of the car frame assembling method according to the embodiment of the present invention. In the elevator hoistway wall 1, a pair of fixed guide rails 2 are installed and fixed.
And a buffer base 3 arranged between the lowermost portions of the guide rails 2. When assembling the car frame, first, the vertical frame receivers 11 are installed at both ends of the buffer base 3. As shown in FIG. 3, which is an enlarged view of the portion B, the vertical frame receiving member 11 has fitting portions 11A that fit into the guide portions of the pair of guide rails 2, respectively. Next, in parallel with the wall surface to which the guide rails 2 are fixed, a pair of brackets 4a are provided at about 1,500 mm from the lowermost floor surface of the elevator hoistway, which has the same height as the floor surface of the lowermost building. Install 4b. The brackets 4a and 4b have an integral connecting device 8 on the guide rail 2 side as shown in FIG.
The clip 8a of the connecting device 8 is sandwiched and fixed to the guide rail 2.

In this way, the front floor receiving member 6 and the rear floor receiving member 7 are connected between the opposing ends of the brackets 4a and 4b fixed in parallel to the pair of guide rails 2 to form a substantially horizontal shape. The floor receiving member 5 is configured. As shown in the enlarged view of FIG. 5, the front floor receiving member 6 and the floor rear receiving member 7 are made clean by providing a pair of connecting members 27a, 2 with a predetermined facing distance at both ends of the brackets 4a, 4b.
7b is fixed, and the ends of the front floor receiving member 6 and the rear floor receiving member 7 are engaged between the connecting members 27a and 27b. Bearing portions 6a and 6b are formed on both upper surfaces of the floor front portion receiving member 6, respectively.

Next, the vertical frame 10 is carried in by a lifting device such as a winch (not shown). As shown in FIG. 4, a guide shoe 12, a floor receiving portion 25, and a sewing member 26 are attached to the lower portion of the vertical frame 10, and the guide shoe 12 is a fitting portion of the vertical frame receiving member 11 of FIG. The vertical frame 10 is arranged so that it is located inside 11A and the floor receiving portion 25 is mounted on the vertical frame receiving member 11 of FIG. Vertical frame 10 arranged in this way
Is temporarily fixed to the guide rail 2 by using, for example, a rubber band to prevent it from falling over, and is thus movable along the guide rail 2.

Next, as shown in FIG. 4, the floor 20 is hung by a lifting device such as a winch and carried in, and the lower end portion of the floor 20 is provided with bearing portions provided on both ends of the floor front receiving member 6 described above. 6a, 6b, while descending while matching,
As shown in FIG. 5, a pair of left and right holes 21 previously formed in the front portion which is the lower end portion of the floor 20 are matched with the bearing portions 6a and 6b, and the shaft 22 is inserted to fix the front portion of the floor 20. It is rotatably connected to the floor front receiving member 6. The plan view at this time is shown in FIG.
The floor 20 is still suspended vertically at the end of the hoistway 1.

Thereafter, as shown in FIG. 7, while the floor 20 is further lowered by a lifting device such as a winch, the shaft 2
2 is also the arrow 23 at the rear of the wire rope 24 side.
Rotate in the direction of. The rear part of the floor 20 also receives the rear part 7 of the floor.
When mounted on the floor receiving member 5, the entire floor 20 is mounted substantially horizontally on the floor receiving member 5, and then the wire rope 24 is removed. Only a lifting device such as a winch has been used up to this point, and the floor 20 can be placed substantially horizontally at a predetermined position on the guide rail 2 without using a lifting device such as an auxiliary chain block as in the prior art. It has been arranged. Next, as shown in FIG. 1, the upper frame 30 is suspended by the wire rope 24 and connected to the vertical frame 10. This connecting work can be easily performed from the floor 20 already arranged without using a stepladder. The height of the floor receiving member 5 is selected at a predetermined position in consideration of this work.

However, in this state, the floor 20 and the vertical frame 10 are not in a predetermined height relationship, and therefore, as shown in FIG.
Connected to the upper frame 30 and the vertical frame 10 to which the wire rope 24 of the lifting device such as a winch removed is connected as shown in
The vertical frame 10 is hoisted until the floor receiving portion 25 at the lower end of the vertical frame 10 matches the bottom surface of the floor 20. The vertical frame 10 at this time is guided along the guide rail 2 by the guide shoe 12. When the floor receiving portion 25 matches the bottom surface of the floor 20, the plurality of holes formed in the sewing member 26 match the plurality of holes formed in the floor 20 in advance. The vertical frame 10 and the floor 20 are connected. After that, the floor receiving member 5 including the front floor receiving member 6 and the floor rear receiving member 7 is removed to complete the assembly of the car frame.

In this way, 1,5 from the lowermost floor of the elevator hoistway, which is approximately the same height as the floor of the lowermost building.
Since the floor receiving member 5 is arranged at a predetermined position of about 00 mm, the work for rotatably connecting one end of the floor 20 to the floor receiving member 5, that is, the hole aligning work and the shaft 22 inserting work It is very easy for workers to do. Further, since the connection work between the upper frame 30 and the vertical frame 10 can be performed from the floor 20,
It is possible to improve safety and workability. Further, since the sewing member 26 is fixed to the lower portion of the vertical frame 10 in advance and the vertical frame 10 is hung up and the vertical frame 10 and the floor 20 are connected in this state, this workability is also improved. Moreover, since the vertical frame 10 is arranged along the guide rail 2, the vertical frame 10 can be easily lifted along the guide rail 2.

In the above embodiment, the floor front receiving member 6 is used.
The floor rear receiving member 7 is fixed at a predetermined position of the guide rail 2, and the floor 20 is rotatably fixed to the floor front receiving member 6 and then placed on the floor rear receiving member 7. A floor receiving member composed of a part receiving member 6 and a floor rear receiving member 7 is fixed to a predetermined position of the guide rail 2, and a part of the floor 20 is rotatably connected to an appropriate position of this floor receiving member. However, the rotatable connection position is not limited to the front part of the floor 20.

[0016]

As described above, in the method of assembling the car frame according to the present invention, the floor receiving member is arranged substantially horizontally at a predetermined height position, the floor is placed on the floor receiving member, and then the floor receiving member is placed on the floor receiving member. The connection work between the upper frame and the vertical frame is performed from the floor, and then the vertical frame is moved upward by a predetermined height to connect the vertical frame and the floor. The height is easy to work, the unstable work using the stepladder as in the past is eliminated, and the safety and workability can be improved.

[Brief description of drawings]

FIG. 1 is a front view showing an assembling state of a car frame assembling method according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a portion A of the car frame shown in FIG.

3 is an enlarged view of a portion B of the car frame shown in FIG.

4 is a front view showing another assembling state of the method of assembling the car frame shown in FIG. 1. FIG.

5 is an enlarged view showing an enlarged main part of the car frame shown in FIG. 4. FIG.

6 is a plan view showing still another assembling state of the method of assembling the car frame shown in FIG. 1. FIG.

7 is a front view showing still another assembling state of the method of assembling the car frame shown in FIG. 1. FIG.

8 is a front view showing still another assembling state of the method of assembling the car frame shown in FIG. 1. FIG.

9 is a perspective view showing still another assembling state of the method of assembling the car frame shown in FIG. 1. FIG.

FIG. 10 is a front view showing an assembling state of a conventional car frame assembling method.

[Explanation of symbols]

 2 Guide rail 5 Floor receiving member 10 Vertical frame 12 Guide shoe 20 Floor 26 Sewing member 30 Upper frame

Claims (4)

[Claims] 1. A method of assembling an elevator car frame including an upper frame, a floor and a vertical frame, wherein a vertical frame is arranged and a substantially horizontal floor receiving member is arranged at a predetermined height position. After arranging the floor on the receiving member, the vertical frame and the upper frame are connected from the floor, and then the vertical frame is moved upward by the predetermined height, and in this state the vertical frame and A method of assembling a car frame, characterized in that the floors are connected together. 2. The method of assembling a car frame according to claim 1, wherein the floor receiving member is arranged at a height substantially equal to the floor surface of the lowest floor building. 3. The space between the vertical frame and the floor according to claim 2, wherein a sewing member is fixed to the vertical frame below the floor receiving member, and the vertical frame is raised. A method for assembling a car frame, characterized in that the car is fixed by the sewing member. 4. A method of assembling an elevator car frame including an upper frame, a floor, and a vertical frame, wherein the vertical frame is movably arranged along a guide rail arranged in advance, and the predetermined guide rail is provided. After fixing the substantially horizontal floor receiving member to the height position of the floor, arranging the floor on the floor receiving member, connecting the vertical frame and the upper frame from above the floor, and then connecting the vertical frame to the guide. A method of assembling a car frame, which comprises moving a predetermined height upward along a rail and connecting the vertical frame and the floor in this state.