JP2008105756A - Buffer spacer device for balance weight - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a buffer spacer device for a balance weight capable of facilitating attachment/detachment of a buffer spacer body. <P>SOLUTION: The buffer spacer device 1 for the balance weight 3 is removably provided below the balance weight 3 and adjusts a distance between the balance weight 3 and a balance weight buffer 7 arranged below the balance weight 3. The buffer spacer device 1 for the balance weight 3 is provided with the buffer spacer body 12 provided below the balance weight 3 and having flange parts 12a in the upper and lower sides and with a first buffer spacer lock tool 14 for locking the flange part 12a and releasing the lock of the flange part 12a by horizontal movement of the buffer spacer body 12 with respect to the balance weight 3. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a counterweight spacer device for a counterweight, which is detachably provided on the lower side of a counterweight and adjusts the distance between the counterweight and a buffer under the counterweight.

  2. Description of the Related Art Conventionally, in a shock absorber spacer device for a counterweight, which is detachably provided on the lower side of the counterweight and adjusts the distance between the counterweight and a shock absorber below the counterweight, the shock absorber spacer body and the buffer There is known a counterweight buffer spacer device provided with a fixture for fixing the main body spacer body to the lower surface of the counterweight (for example, see Patent Document 1).

JP-A-7-267537

  However, in this case, when attaching / detaching the shock absorber spacer body, there is a problem that at least two workers, that is, a person who attaches / detaches the fixing tool and a person who supports the shock absorber spacer body, are necessary. It was.

  An object of the present invention is to solve the above-described problems, and an object of the present invention is to provide a shock absorber spacer device for a counterweight capable of easily attaching and detaching the shock absorber spacer body. Is.

  The counterweight buffer spacer device according to the present invention is detachably provided on the lower side of the counterweight, and adjusts the distance between the counterweight and the buffer below the counterweight. In the apparatus, a shock absorber spacer body having a flange portion at an upper end portion and a lower end portion, and the flange portion are locked, and the flange spacer body moves in a horizontal direction with respect to the counterweight, so that the flange And a shock absorber spacer locking member for releasing the locking to the portion.

  According to the shock absorber spacer device for a counterweight according to the present invention, the shock absorber spacer main body can be easily attached and detached.

Embodiment 1 FIG.
FIG. 1 is a partial perspective view of an elevator having a counterweight buffer spacer device 1 according to Embodiment 1, and FIG. 2 is an enlarged view showing the buffer spacer main bodies 12 and 13 and the counterweight buffer 7 of FIG. FIG. 3A is a perspective view showing the counterweight 3 and the counterweight buffer spacer device 1 in FIG. 1, and FIG. 3B shows the first buffer spacer locking tool 14 in FIG. FIG. 3C is an enlarged perspective view showing the second shock absorber spacer locking tool 15 of FIG. 3A.
The counterweight buffer spacer device 1 according to the first embodiment is provided below the counterweight 3 that moves up and down the hoistway 2.
A pulley 3a is rotatably provided above the counterweight 3, and a main rope 4 is wound around the pulley 3a. Both ends of the main rope 4 extend upward, one end is fixed to a top surface (not shown) of the hoistway 2, and the other end is wound around a pulley (not shown) that is rotatably provided on the top surface. It extends and is wound around a hoisting machine 5 provided on the bottom surface 2 a of the hoistway 2.
The other end of the main rope 4 wound around the hoisting machine 5 extends upward again, is wound around a pulley (not shown) rotatably provided on the top surface, and extends downward again. It is wound around a pulley 6a fixed to the lower side of the cab 6 that moves up and down, extends upward again, and is fixed to the top surface of the hoistway 2.

In the vertically downward direction of the counterweight 3, there is provided a counterweight buffer 7 that absorbs an impact when the counterweight 3 is dropped. In the vertically downward direction of the cab 6, the cab 6 is dropped. A cab shock absorber 8 is provided to absorb the impact of the car.
On the side surface of the hoistway 2, a rail 9 for guiding the counterweight 3 in the vertical direction and a rail 10 for guiding the cab 6 in the vertical direction are provided.
A control panel 11 electrically connected to the hoisting machine 5 is provided on the bottom surface 2a of the hoistway 2, and the car room 6 is raised and lowered by controlling the driving of the hoisting machine 5.

  The counterweight buffer device 1 for the counterweight includes a shock absorber spacer body 12 having a flange portion 12a at the upper end portion and the lower end portion, and is stacked on the lower side of the shock absorber spacer body 12 and overlapped with the flange portion 12a. The shock absorber spacer main body 13 having the flange portion 13a and the first shock absorber spacer locking tool 14 fixed to the lower surface of the counterweight 3 and locking the flange portion 12a of the shock absorber spacer main body 12 are overlapped. It has the 2nd buffer spacer locking tool 15 which locks the flange parts 12a and 13a.

The first shock absorber spacer locking tool 14 is formed by bending both end portions of the plate shape in opposite directions, and one end portion is fixed to the lower surface of the counterweight 3 by a bolt 16 and the other end portion is The upper flange portion 12a of the shock absorber spacer body 12 that is in contact with the counterweight 3 is locked.
In the upper flange portion 12a, through holes 12b penetrating the flange portion 12a are formed at four corners at positions away from the first shock absorber spacer locking tool 14, and the through holes 12b are penetrated from below. The bolt 17 is screwed to the lower surface of the counterweight 3. Thus, the shock absorber spacer body 12 is fixed to the counterweight 3.

The second shock absorber spacer locking member 15 has a U-shaped plate-shaped cross section, and the upper flange portion 12a of the shock absorber spacer main body 12 and the upper portion of the shock absorber spacer main body 13 are overlapped. The periphery of the flange portion 13 a is locked by the U-shaped inner side of the second shock absorber spacer locking tool 15.
The overlapped flange portions 12a and 13a also have the above-described through holes 12b and 13b formed at the four corners. Bolts 18 are provided on the upper side of the flange portion 12a through the through holes 12b and 13b from below. The nut 19 is screwed. Thus, the stacked buffer spacer bodies 12 and 13 are fixed to each other.
Two first shock absorber spacer locks 14 and two second shock absorber spacer locks 15 are provided to face each other, and are respectively disposed on the side surfaces of the flange portions 12a and 13a.

Next, a method for removing the buffer spacer bodies 12 and 13 of the counterweight buffer spacer device 1 according to the first embodiment will be described.
4 is a front view showing the counterweight buffer spacer apparatus 1 of FIG. 1, and FIG. 5 is a front view of the counterweight buffer spacer apparatus 1 with the bolts 17 and 18 of FIG. 4 removed.
First, the bolt 18 fixing the stacked buffer spacer main body 13 is taken out from the nut 19 and the buffer spacer main body 13.
At this time, the stacked buffer spacer main body 12 and buffer buffer spacer main body 13 are separated from each other, but the buffer buffer main body 13 falls vertically downward by the second buffer spacer locking tool 15. Therefore, it is not necessary for the operator to support the shock absorber spacer body 13, and the bolts 18 provided at the four corners can be easily removed.
When all the bolts 18 are removed, the shock absorber spacer main body 13 is moved in the horizontal direction, and the shock absorber spacer main body 13 is taken out from the second shock absorber spacer locking tool 15.

Next, the bolt 17 fixing the shock absorber spacer body 12 is taken out from the lower surface of the counterweight 3 and the shock absorber spacer body 12.
At this time, the shock absorber spacer body 12 is separated from the lower surface of the counterweight 3, but the first shock absorber spacer locking tool 14 prevents the shock absorber spacer body 12 from falling vertically downward. Therefore, the operator does not need to support the shock absorber spacer body 12, and the bolts 17 provided at the four corners can be easily removed.
When all the bolts 17 are removed, the shock absorber spacer main body 12 is moved in the horizontal direction, and the shock absorber spacer main body 12 is taken out from the first shock absorber spacer locking tool 14.

When the shock absorber spacer main body 12 and the shock absorber spacer main body 13 are attached, the above-described method for removing the impactor spacer main body 12 and the shock absorber spacer main body 13 may be performed in the reverse order.
That is, first, the shock absorber spacer main body 12 is moved in the horizontal direction and is locked by the first shock absorber spacer locking tool 14 fixed to the lower surface of the counterweight 3.
After locking the first shock absorber spacer lock 14, the shock absorber spacer main body 12 is fixed to the counterweight 3 using the bolts 17.
Next, the second shock absorber spacer locking tool 15 is attached to the lower flange portion 12a of the shock absorber spacer main body 12, and then the shock absorber spacer main body 13 is moved in the horizontal direction so that the second shock absorber spacer The locking tool 15 is locked.
After the shock absorber spacer main body 13 is locked to the second shock absorber spacer locking tool 15, the shock absorber spacer main body 13 is fixed to the shock absorber spacer main body 12 using the bolt 18 and the nut 19.

  As described above, according to the counterweight buffer spacer device 1 according to the first embodiment, the upper flange portion 12a of the buffer spacer body 12 is locked by the first buffer spacer locking tool 14, When the shock absorber spacer body 12 moves in the horizontal direction with respect to the counterweight 3, the locking to the flange portion 12a is released. Therefore, when the bolt 17 for fixing the shock absorber spacer body 12 to the counterweight 3 is attached or detached. In addition, the operator does not need to support the shock absorber spacer body 12, can easily attach and detach the bolts 17, and can easily attach and detach the shock absorber spacer body 12.

  The first shock absorber spacer locking tool 14 is formed by bending both ends of the plate shape in opposite directions, one end of which is fixed to the lower surface of the counterweight 3, and the other end is a shock absorber. Since the flange portion 12a of the spacer body 12 is locked, the shock absorber spacer body 12 can be easily attached and detached.

  Further, the second shock absorber spacer locking member 15 is formed in a U-shaped cross section, and the peripheral portions of the overlapped flange portion 12a and the flange portion 13a are locked inside the U-shape. The shock absorber spacer body 13 can be attached and detached.

  Further, a first shock absorber spacer locking tool 14 that connects the counterweight 3 and the shock absorber spacer body 12 and a second shock absorber spacer connection that connects the stacked shock absorber spacer body 12 and the shock absorber spacer body 13. Since the stopper 15 is provided, the buffer spacer main body 12 and the buffer spacer main body 13 can be easily attached and detached.

  Moreover, even if it is the existing buffer spacer, if the flange part for the fixing volt | bolt to penetrate is formed, the 1st buffer spacer locking tool 14 and the 2nd buffer spacer engagement The distance between the counterweight 3 and the counterweight buffer 7 can be easily adjusted using the stopper 15.

  In Embodiment 1 described above, the counterweight buffer spacer device 1 for the counterweight having the buffer spacer body 12 and the buffer spacer body 13 stacked in two stages has been described. The counterweight buffer device 1 may have a buffer spacer body stacked in three or more stages.

1 is a partial perspective view of an elevator having a counterweight buffer spacer device according to Embodiment 1. FIG. It is an enlarged view which shows the buffer spacer main body and counterweight buffer of FIG. 3A is a perspective view showing the counterweight and the counterweight buffer spacer device of FIG. 1, and FIG. 3B is an enlarged perspective view showing the first buffer spacer locking tool of FIG. 3A. FIG. 3 and FIG. 3C are enlarged perspective views showing the second shock absorber spacer locking tool of FIG. It is a front view which shows the buffer spacer apparatus for counterweights of FIG. It is a front view which shows the buffer spacer apparatus for counterweights from which the volt | bolt of FIG. 4 was removed.

Explanation of symbols

  1 Counterweight buffer spacer device, 2 hoistway, 2a bottom surface, 3 counterweight, 3a pulley, 4 main rope, 5 hoisting machine, 6 cab, 6a pulley, 7 counterweight buffer, 8 cab buffer , 9 rail, 10 rail, 11 control panel, 12 shock absorber spacer body, 12a flange portion, 12b through hole, 13 shock absorber spacer body, 13a flange portion, 13b through hole, 14 first shock absorber spacer locking tool, 15 Second shock absorber spacer lock, 16 bolt, 17 bolt, 18 bolt, 19 nut.

Claims (4)

In a counterweight buffer spacer device that is detachably provided on the lower side of the counterweight and adjusts the distance between the counterweight and a buffer below the counterweight,
A shock absorber spacer body having flange portions at the upper end portion and the lower end portion;
The shock absorber spacer locking tool that releases the lock to the flange portion by locking the flange portion and moving the shock absorber spacer body in a horizontal direction with respect to the counterweight,
A shock absorber spacer device for a counterweight, comprising:   The shock absorber spacer locking tool is formed by bending both ends of the plate shape in opposite directions, one end of which is fixed to the lower side of the counterweight, and the other end locking the flange portion. The shock absorber spacer device for a counterweight according to claim 1. The shock absorber spacer body is stacked in a plurality of stages,
2. The balance according to claim 1, wherein the shock absorber spacer locking member has a U-shaped cross section and locks the peripheral edge of the overlapped flange portion inside the U-shaped. Shock absorber spacer device for weight. The shock absorber spacer body is stacked in a plurality of stages,
The shock absorber spacer locking tool is
First shock absorber spacer locks in which both ends of the plate shape are bent in opposite directions, one end of which is fixed to the lower side of the counterweight, and the other end locks the flange. And a second shock-absorber spacer locking device that has a U-shaped cross section and locks the peripheral edge of the overlapped flange portion inside the U-shape. The shock absorber spacer device according to claim 1.

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