JPH04133668U - elevator counterweight - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a counterweight for an elevator in which the work of attaching and detaching the sub-weight is easy and the sub-weight does not jump when starting or stopping a car. [Configuration] Through bolt 4 through which the main weight 2 is held
A sub-weight 5 in which a notch 5a and an insertion hole 5b are formed to engage with the sub-weight 5, a lower seat 6d in which a screw fixing part 6c is formed, a holding plate 6f in which an insertion hole 6h and a fixing hole 6e are formed, a fixing bolt 6a, A holding bolt 6b and a holding nut 6g are provided. [Effects] It is easy to attach and detach the sub-weight, and the sub-weight does not jump when the car is started or stopped. This prevents vibrations from propagating to the car and noise, which improves the ride comfort of the elevator. It never gets worse.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a counterweight for an elevator, and in particular, the weight can be adjusted using a sub-weight. This invention relates to a counterweight for an elevator that can be adjusted.

0002

[Conventional technology]

The car is connected to the elevator by a rope and hangs down into the hoistway via a pulley. A counterweight is provided to balance the cage. For example, elevator If the weight of the counterweight increases due to modification, the weight of the counterweight also increases and the weight of the counterweight increases. It is necessary to maintain balance with the car and operate it safely.

0003 In order to adjust the weight of this counterweight, Japanese Utility Model Application No. 52-100663 discloses A frame is provided on both sides of the main weight, and sub-weights are attached to this frame to reduce the weight. A balancing weight is disclosed for making the adjustment. Also, Utility Model Application No. 2-40771 In this case, bolts are inserted through holes formed near both ends of the plurality of flat plates forming the counterweight. Adjustment of weight against a counterweight by inserting and fixing multiple flat plates to hold and fix them. The technology of adjustment is disclosed. In the technology according to this disclosure, the through bolt is engaged with the through bolt. The sub-weight divided into two parts between the two through bolts is Engage with the through bolt at the part and hold it so that it does not come off with the release prevention means. This allows the weight of the counterweight to be adjusted.

0004

[Problem that the idea aims to solve]

In the counterweight disclosed in the above-mentioned Japanese Utility Model Application Publication No. 52-100663, the sub-weight The problem is that the assembly or removal work when adding or removing is relatively complicated. There is a point. In addition, the counterweight disclosed in Utility Model Application Publication No. 2-40771 is a subwafer. Although the assembly or removal work when adding or removing lights is easy, the main way is Because the weight and the sub-weight are not fixed to each other, the elevator car is When the counterweight moves as it ascends and descends, the subway The object may jump due to inertia. The sub weight jumps like this When the sub-weights collide with each other, the vibrations propagate to the car, causing noise. This may cause discomfort to passengers and make the elevator ride uncomfortable.

[0005] This invention was made in view of the current situation of elevator counterweights as mentioned above. Its purpose is to prevent assembly or removal work when adding or removing sub-weights. It is simple and prevents the sub-weight from jumping when the car starts or stops moving. There is no elevator counterweight to provide.

[0006]

[Means to solve the problem]

The purpose is to provide an element in which the main weight is held through at least one pair of through bolts. In the balance weight of Beta, the main weight is divided into two in the longitudinal direction, and the main weight is divided into two in the longitudinal direction. A sub-weight with a notch that engages with the bolt, and a sub-weight in front. A fixing means for fixing to the recorder weight and preventing the sub-weight from jumping. This is achieved by adopting a configuration having preventive means to

[0007]

[Effect]

With this configuration, when adding a subweight, the subweight is fixed to the main weight by a fixing means by engaging a bolt through the notch, and Easy to assemble with the sub-weight prevented from jumping by the prevention means It will be done. When removing the sub-weight, simply release the fixing means and the preventing means, and the sub-weight will be removed. The weight can easily disengage the notch from the through bolt. in this way , the sub-weight is fixed to the main weight by a fixing means and held by a preventing means. Therefore, the sub-weight does not jump when the car is started or stopped.

[0008]

【Example】

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. Here, Figure 1 is FIG. 2 is a front view of the embodiment. FIG. 2 is an exploded explanatory view of the main parts of the embodiment.

[0009] Figure 1 shows a state in which a sub-weight is additionally assembled in the embodiment, and Figure 2 shows a state in which a sub-weight is additionally assembled. The subway weight and the parts necessary for assembly are disassembled and shown in Figure 2. The weight 5 is divided into two parts in the longitudinal direction, and a notch 5a is provided at one end of each sub weight 5. An insertion hole 5b is provided approximately at the center of each sub-weight 5. Also As will be described later, the lower seat 6d used for attaching the sub-weight 5 is formed into a plate shape. A screw-fastening portion 6c with a screw engraved thereon is provided on the plate surface. Furthermore, the cross section An L-shaped holding plate 6f is formed, and this holding plate 6f has an insertion hole 6h and a fixing hole 6. e is provided. And a presser foot for fixing the sub weight 5 to the main weight 2. A fixing bolt for fixing the bolt 6b and the sub-weight 5 so that they do not separate from each other. A bolt 6a and a holding nut 6g are provided.

0010 As shown in FIG. 1, in the balance weight 1 of the embodiment, the three main weights 2 are located near both ends. They are inserted and held by through bolts 4 through gap pieces 3, respectively. The ends of these through bolts 4 are fixed to the support plate 10 with nuts 4n. In addition, a lower seat 6d is placed on the top main weight 2, and a lower seat 6d is placed on top of the main weight 2. Six sub-weights 5 are arranged by passing through the notches 5a and engaging the bolts 4, respectively. There is. Then, the presser plate 6f is placed on the topmost sub-weight 5, and the fixing bolt 6a is inserted through the insertion hole 6h of the holding plate 6f and the insertion hole 5b of the sub-weight 5. The lower end is screwed into the screw stop 6c of the lower seat 6d, and the upper end is screwed into the holding plate 6f. It is fixed with a 6g presser nut. Furthermore, the presser plate 6f is secured by the presser bolt 6b. It is fixed to the main weight 2.

[0011] In an embodiment with such a configuration, the fixing bolt 6a, the holding nut 6g, and the screw The stopping portion 6c corresponds to the invented prevention means, and the holding plate 6f, holding bolt 6b, and fixing bolt The nut 6a and the retaining nut 6g correspond to the fixing means of the invention.

0012 Next, the additional assembly work of the sub-weight in an example of such a configuration will be explained. .

[0013] For example, the design of the inside of an elevator car has been modified, and the weight of the counterweight is If it becomes necessary to increase the weight, place the lower seat 6d on top of the main weight 2. Place the required number of sub-weights 5 on this lower seat 6d and attach them to the bolts 4 through the notches 5a. A presser plate 6f is placed on the uppermost sub-weight 5. and, Insert the fixing bolt 6a into the insertion hole 5b, and attach the lower end to the screwed part 6c of the lower seat 6a. screw in, and fix the upper end to the holding plate 6f with a holding nut 6g. Next, presser foot Insert the bolt 6b into the fixing hole 6e, and attach the presser plate 6f to the main way using the presser bolt 6b. 2. Screw and fix.

[0014] In this way, the necessary balance weight 1 can be used without disassembling it in its assembled state. Several sub weights 5 can be fixed to the main weight 2 in a short time by simple screwing and fixing work. It is possible to fix the plurality of sub-weights 5 to each other. Each subway The weights 5 are integrally fixed, and these sub weights 5 are fixed to the main weight 2. Therefore, each subweight 5 will fly due to inertia when the elevator starts or stops. It doesn't bounce. For this reason, the vibration caused by the jumping of sub weight 5 is The sound of collision between the five sub-weights may be heard and may be heard by elevator users. It is completely prevented from causing discomfort and making the elevator ride uncomfortable.

[0015] Also, when reducing the weight of counterweight 1, which has already increased, remove the 6g presser nut. Remove and unscrew the fixing bolt 6a, and remove the subway corresponding to the weight to be reduced. 5, and insert the fixing bolts 6a into the insertion holes 6h and 5b again to tighten the screws 6. Reduce the weight of counterweight 1 by simply screwing it into c and fixing it with a 6g presser nut. Can be a little.

[0016]

[Effect of the idea]

As explained in detail above, the present invention allows for easy counterbalancing without disassembly. The weight can be adjusted by using a notch in the through bolt that inserts and holds the main weight. Elevator When the car starts or stops, the sub-weight jumps due to inertia, and the vibration is transmitted to the car. This may cause discomfort to customers due to the noise caused by the collision of sub-weights with other sub-weights. It is also possible to completely prevent this from causing the ride to become uncomfortable.

[Brief explanation of drawings]

FIG. 1 is a front view showing the overall configuration of an embodiment of the present invention.

FIG. 2 is an exploded explanatory diagram showing the configuration of essential parts of an embodiment of the present invention.

[Explanation of symbols]

1 Balance weight 2 Main weight 3 Gap piece 4 Through bolt 5 Sub weight 5a Notch 6a Fixing bolt 6f presser plate

Claims (1)

[Scope of utility model registration request] Claim 1: A counterweight for an elevator in which the main weight is held through at least one pair of through bolts,
A sub-weight that is divided into two in the longitudinal direction of the main weight and has a notch that engages with the through bolt, a fixing means that fixes the sub-weight to the main weight, and a fixing means that prevents the sub-weight from jumping. A counterweight for an elevator, characterized in that it has a prevention means for preventing.