JP3333329B2 - How to assemble the car frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art In a conventional method of assembling a car frame in an elevator, first, an assembling table is fixed to a pair of guide rails which are already installed and fixed to an elevator shaft wall. The vertical frame is placed and temporarily fixed, and the floor is loaded using a winch between the temporarily fixed vertical frames, and further lowered using a chain block while correcting the floor surface to be almost horizontal. Adjust to the correct position and fix to the vertical frame. After that, the upper frame was carried in, the standing leg was set on the floor, and the upper floor and the vertical frame were fixed.

According to the method of assembling a car frame described in Japanese Patent Application Laid-Open No. 61-69681, in order to simplify the adjustment of the floor position, a mark is previously placed on the floor at a position to be aligned with the guide rail core. In addition, there is a configuration in which the mark can be automatically adjusted to a regular position by aligning the mark with the core of the guide rail at the time of installation.

[0004]

However, even if the conventional method of assembling a car frame is combined with the position adjusting method described in JP-A-61-69681, a chain block together with a winch is used to suspend the floor. By using both auxiliary lifting devices, operating both lifting devices to make the floor almost horizontal while balancing the floor and connecting it to the vertical frame in that state, in addition to winches, auxiliary blocks such as chain blocks A lifting device was required, and the work was extensive.

It is an object of the present invention to provide a method of assembling a car frame capable of positioning a floor without using an auxiliary lifting device such as a chain block.

[0006]

In order to achieve the above object, the present invention provides a method for assembling an elevator car frame comprising an upper frame, a floor, and a vertical frame. A vertical frame is disposed movably along the guide rail, and a substantially horizontal floor receiving member is fixed at a predetermined position of the guide rail, and the end of the suspended floor is rotatably attached to the floor receiving member. Supporting, the floor is rotated and the floor is arranged substantially horizontally on the floor receiving member, and then the floor and the vertical frame are connected with the vertical frame raised upward. .

[0007]

Since the method of assembling the car frame according to the present invention can be performed while rotating the floor using the floor receiving member temporarily fixed in advance as described above, the auxiliary lifting of the chain block or the like is conventionally performed. Without using heavy equipment, the floor can be placed on the floor receiving member by a lifting device such as a winch to make it almost horizontal, and then the vertical frame is suspended and the vertical frame and the floor are connected. So you can assemble
The assembly can be easily performed without requiring a large-scale facility.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 7 is a perspective view showing an assembling state of the car frame assembling method according to one embodiment of the present invention. A pair of guide rails 2 installed and fixed inside the elevator hoistway wall 1.
And a buffer base 3 disposed between the lowermost portions of the guide rails 2. When assembling the car frame, first, the vertical frame receiving members 11 are installed at both ends of the buffer base 3. As shown in FIG. 3, which is an enlarged view of a portion B, the vertical frame receiving member 11 has fitting portions 11A that respectively fit into the guide portions of the pair of guide rails 2. Next, a pair of brackets 4a, 1500 mm, is set at about 1,500 mm from the lowest floor of the elevator hoistway, which is at the same height as the floor of the lowest floor building in parallel with the wall surface to which the guide rail 2 is fixed. 4b is installed. The brackets 4a and 4b have an integrated connection device 8 on the guide rail 2 side as shown in FIG.
The clip 8a of the connecting device 8 is fixed by being sandwiched between the guide rails 2.

In this manner, the front floor receiving member 6 and the rear floor receiving member 7 are connected to each other between the opposed ends of the brackets 4a and 4b fixed in parallel to the pair of guide rails 2 so as to be substantially horizontal. The floor receiving member 5 is constituted. As shown in the enlarged view of FIG. 5, the front floor receiving member 6 and the rear floor receiving member 7 are connected to each other by a pair of connecting members 27a, 2 having 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 upper surfaces of both ends of the floor front 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 a lower portion of the vertical frame 10, and the guide shoe 12 is fitted to the fitting portion of the vertical frame receiving member 11 in FIG. 11A, and the vertical frame 10 is arranged so that the floor receiving section 25 is mounted on the vertical frame receiver 11 in FIG. Vertical frame 10 arranged in this way
Is temporarily fixed to the guide rail 2 using, for example, a rubber band to prevent it from overturning, and thus can be moved along the guide rail 2.

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

Then, as shown in FIG. 1, the floor 20 is further lowered by a lifting device such as a winch while the shaft 2
The arrow 23 also shows the rear part of the wire rope 24 side centering on 2
Rotate in the direction of. The rear part of the floor 20 also has a rear floor receiving member 7.
, The entire floor 20 is mounted almost 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 so far, and the floor 20 is placed almost horizontally at a predetermined position on the guide rail 2 without using a lifting device such as an auxiliary chain block as in the related art. It will be placed.

Next, a wire rope 24 of a lifting device such as a winch is connected to the vertical frame 10 and the vertical frame 10 is moved until the floor receiving portion 25 at the lower end thereof matches the bottom surface of the floor 20.
Hoist. The vertical frame 10 at this time is a guide shoe 12
Is guided along the guide rail 2. 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 with each other. Thereafter, the upper frame is carried in, connected to the upper portion of the vertical frame 10 and the main rope is connected to the upper frame, and the floor receiving member 5 including the floor front receiving member 6 and the floor rear receiving member 7 is removed. , Complete the assembly of the car frame.

Thus, the height of the elevator hoistway, which is almost the same height as the floor of the lowest floor building, is 1,5 from the lowest floor of the elevator hoistway.
Since the floor receiving member 5 is arranged at a predetermined position of about 00 mm, the work of attaching the floor receiving member 5 and the work of rotatably connecting one end of the floor 20 to the floor receiving member 5, that is, aligning the holes. The work and the insertion work of the shaft 22 are very easy for the operator. In addition, the sewing member 2
After fixing the floor 6 and making the floor 20 substantially horizontal, the vertical frame 10 is lifted, and the vertical frame 10 and the floor 20 are connected in this state, so that the workability is improved. Moreover, this vertical frame 1
0 is arranged along the guide rail 2, so that the vertical frame 10 can be easily lifted along the guide rail 2.

In the embodiment described above, the floor front receiving member 6 is used.
In addition, the rear floor receiving member 7 is fixed to a predetermined position of the guide rail 2, and the floor 20 is rotatably fixed to the front floor receiving member 6 before being placed on the rear floor 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 the floor receiving member. The rotatable connection position is not limited to the front part of the floor 20.

[0016]

As described above, in the method for assembling a car frame according to the present invention, the floor receiving member is disposed substantially horizontally at a predetermined position on the guide rail, and one end of the floor is rotatable on the floor receiving member. After the floor is connected, the floor is rotated and placed almost horizontally along the floor receiving member, and then the vertical frame is moved upward to connect the vertical frame and the floor. The floor can be positioned almost horizontally at a predetermined position without using an auxiliary lifting device such as a chain block for horizontal placement.

[Brief description of the 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 main part of the car frame shown in FIG.

FIG. 3 is an enlarged view in which another main part of the car frame shown in FIG. 1 is enlarged.

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

FIG. 5 is an enlarged view in which main parts of the car frame shown in FIG. 4 are enlarged.

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

FIG. 7 is a perspective view showing another state in the middle of assembling the method of assembling the car frame shown in FIG. 1;

[Explanation of symbols]

 2 Guide rail 4a, 4b Bracket 6 Floor front receiving member 6a, 6b Bearing part 7 Floor rear receiving member 10 Vertical frame 20 Floor 21 Hole 22 Axis

Continuation of front page (56) References JP-A-61-69681 (JP, A) JP-A-60-244787 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) B66B 7 / 00 B66B 11/02

Claims (3)

(57) [Claims] 1. A method for assembling a car frame for an elevator comprising an upper frame, a floor, and a vertical frame, wherein the vertical frame is movably arranged along a guide rail of an elevator hoistway, and the predetermined guide rail is provided. , A substantially horizontal floor receiving member is fixed at the position, and the end of the suspended floor is rotatably supported on the floor receiving member, and is disposed substantially horizontally on the floor receiving member while rotating the floor. And then connecting the floor and the vertical frame with the vertical frame being raised upward, wherein the car frame is assembled. 2. The method of assembling a car frame according to claim 1, wherein said floor receiving member is arranged at a height substantially equal to the floor of the lowest floor building. 3. A space between the vertical frame and the floor, wherein a sewing member is fixed to the vertical frame below the floor receiving member, and the vertical frame is raised upward. A car frame assembling method, wherein the car frame is fixed by the sewing member.