CN216764007U - Counterweight structure with buffer device - Google Patents

Abstract

The utility model relates to a counterweight structure with a buffer device, which comprises a counterweight frame, a counterweight group arranged in the counterweight frame and a buffer device arranged at the bottom of the counterweight frame, wherein the counterweight frame consists of a left counterweight longitudinal beam, a right counterweight longitudinal beam, a counterweight top beam and a counterweight bottom beam which are vertically arranged, the buffer device comprises a middle buffer arranged in the middle of the counterweight bottom beam and two side buffers arranged at the bottoms of the left side and the right side of the counterweight bottom beam, the lower end of a telescopic rod of the middle buffer is provided with a buffer head, a hinged sleeve is sleeved outside the telescopic rod, and the hinged sleeve is hinged with the telescopic heads of the two side buffers. Compared with the prior art, the utility model has the advantages of reduced construction time, high safety, simple structure and the like.

Description

A counterweight structure with a buffer device

technical field

The utility model relates to the field of elevator shaft detection, in particular to a counterweight structure with a buffer device.

Background technique

At present, a buffer device is installed at the bottom of the elevator shaft to buffer the falling counterweight. Whether it is a car or a counterweight, the corresponding counterweight is fixedly installed at the bottom of the elevator shaft. However, the counterweight installed at the bottom of the elevator shaft has certain disadvantages. One is that it needs to be installed separately; There are higher requirements, but at present, a buffer device needs to be installed separately, which increases the construction time and is inconvenient to use.

Utility model content

The purpose of the present invention is to provide a counterweight structure with a buffer device in order to overcome the above-mentioned defects of the prior art.

The purpose of the present utility model can be achieved through the following technical solutions:

A counterweight structure with a buffer device, comprising a counterweight frame, a counterweight block group arranged in the counterweight frame, and a buffer device installed at the bottom of the counterweight frame, the counterweight frame is composed of two left and right vertically arranged It is composed of a counterweight longitudinal beam, a counterweight top beam and a counterweight bottom beam. The buffer device includes a middle buffer installed in the middle of the counterweight bottom beam and two side buffers installed at the bottom of the left and right sides of the counterweight bottom beam. The lower end of the telescopic rod of the intermediate buffer is provided with a buffer head, and the outer sleeve of the telescopic rod is provided with a hinged sleeve, and the hinged sleeve is hinged with the telescopic heads of the two side buffers.

The counterweight block group includes a plurality of counterweight blocks stacked in the counterweight block frame, and a counterweight block through hole for inserting the tail of the intermediate buffer is defined at the center of the counterweight block at the bottom of the counterweight block group.

After passing through the installation hole in the middle of the counterweight bottom beam, the intermediate buffer is fixed on the bottom of the counterweight bottom beam through a buffer nut, so as to play a main bearing role when it is impacted.

A reinforcing ring is also arranged between the lower surface of the counterweight bottom beam and the buffer nut, which is used to cooperate with the buffer nut to increase impact resistance.

The hinged sleeve is in clearance fit with the telescopic rod, so that the hinged sleeve can slide up and down outside the telescopic rod.

The two sides of the hinged sleeve are respectively provided with hinged lugs hinged with the telescopic head of the side buffer, and the tail of the side buffer is installed on the bottom of the left and right sides of the counterweight bottom beam through the hinge seat.

The bottom of the left and right sides of the counterweight bottom beam is provided with a plurality of installation holes at equal intervals, and the hinge seat can adjust different installation positions through the installation holes.

The counterweight top beam is provided with a pulley for installing the wire rope.

The outer side of each counterweight longitudinal beam is provided with a guide piece matched with the counterweight guide rail.

There are at least two guide members.

Compared with the prior art, the utility model has the following advantages:

1. The bottom of the counterweight of the present utility model has its own buffer device, so that it is not necessary to install a buffer device at the bottom of the elevator shaft, which reduces the construction time, and the buffer can be assembled at the production site when the counterweight is produced, and the assembly quality is better. It is guaranteed that even if the buffer device has been installed in the elevator shaft, the present embodiment can still be used continuously by making the existing buffer device face the buffer head.

2. The buffer device of the present utility model includes a middle buffer and side buffers installed on both sides of the middle buffer. Only when the middle buffer shrinks to a certain extent, the side buffers will act on the buffer head through the hinged sleeve to avoid The bumper bottomed out.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic diagram of the structure of the buffer.

FIG. 3 is a structural diagram of the arrangement of the counterweight through-holes.

Description of marks in the figure:

1. Counterweight longitudinal beam, 2. Pulley, 3. Counterweight block, 4. Guide piece, 5. Counterweight bottom beam, 6. Intermediate buffer, 7. Side buffer, 31, Counterweight block through hole, 51 , Mounting hole, 52, reinforcement ring, 61, buffer nut, 62, telescopic rod, 63, buffer head, 71, hinged seat, 8, hinged sleeve.

Detailed ways

The present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example:

As shown in Figures 1 and 2, the present invention provides a counterweight structure with a buffer device, the structure includes a counterweight frame, a counterweight block 3 and a buffer device installed at the bottom of the counterweight frame. The upper end of the counterweight frame is provided with a pulley 2 for installing the wire rope, the counterweight frame includes two vertically placed counterweight longitudinal beams 1, and the two counterweight longitudinal beams 1 are used to fix the two ends of a plurality of counterweight blocks 3, At least two guide members 4 are provided on the outer side of each counterweight longitudinal beam 1 for cooperating with the counterweight guide rails.

The bottom of the two counterweight longitudinal beams 1 is connected with a counterweight bottom beam 5, the buffer device is installed on the counterweight bottom beam 5, and the buffer device includes an intermediate buffer 6 at the middle position of the counterweight bottom beam 5 and a symmetrically arranged in the middle buffer. The two side buffers 7 on the left and right sides of the buffer 6 (in this example, the middle buffer 6 and the side buffer 7 can adopt the structure of air cylinder, oil cylinder, damping spring, etc.), and buffer nuts are provided on the outer surface of the middle buffer 6 61. The buffer nut 61 is installed at the bottom of the counterweight bottom beam 5. When the intermediate buffer 6 is impacted, the buffer nut 61 acts on the lower surface of the counterweight bottom beam 5, and plays a main bearing role. The impact resistance of the counterweight bottom beam 5 is provided with a reinforcing ring 52 on the lower surface of the counterweight bottom beam 5 for cooperating with the buffer nut 61 .

As shown in FIG. 3 , the upper end of the intermediate buffer 6 is inserted into the bottom counterweight 3 , so the counterweights 3 at the lower part of the counterweight group are all provided with counterweight through holes 31 in the center.

The lower end of the intermediate buffer 6 is provided with a telescopic rod 62 that can be extended. The outer surface of the telescopic rod 62 is sleeved with a hinged sleeve 8. The two sides of the hinged sleeve 8 are respectively symmetrically provided with hinged lugs, and the two hinged lugs are respectively hinged on. One end of the side buffer 7 and the other end of the side buffer 7 are installed on the two sides of the bottom of the counterweight bottom beam 5 through the hinge seat 71, and the bottom of the counterweight bottom beam 5 is provided with two rows of mounting holes 51 at equal intervals. The hinge seat 71 is selectively installed in the installation hole 51, which can realize the adjustment of the distance between the hinge sleeve 8 and the bottom of the counterweight bottom beam 5. The hinge sleeve 8 and the telescopic rod 62 are in a clearance fit relationship. Free sliding within 8.

There is a buffer head 63 at the bottom of the telescopic rod 62 . When the telescopic rod 62 is contracted to a certain extent, the buffer head 63 pushes up against the lower surface of the hinged sleeve 8 , thus realizing the support of the side buffer 7 for the buffer head 63 .

Under normal conditions, the telescopic rod 62 is in an extended state, and there is a certain distance between the hinged sleeve 8 and the buffer head 63. Only when the telescopic rod 62 is contracted to a certain extent, the buffer head 63 will move to the hinged sleeve. At the position of 8, the side buffer 7 will play a role.

To sum up, the present invention integrates the buffer device at the bottom of the counterweight side hoistway into the counterweight itself, which on the one hand can reduce the usage of the counterweight block, and on the other hand, can reduce the installation time of the buffer device for on-site construction and improve the efficiency.

Claims (10)

1. a kind of counterweight structure with buffer device, it is characterized in that, comprise counterweight frame, be arranged in counterweight frame in counterweight block group and be installed on the buffer device at the bottom of counterweight frame, described counterweight frame by left and right. Two vertically arranged counterweight longitudinal beams (1), a counterweight top beam and a counterweight bottom beam (5) are formed, and the buffer device includes an intermediate buffer (6) installed in the middle of the counterweight bottom beam (5). ) and two side buffers (7) installed at the bottom of the left and right sides of the counterweight bottom beam (5), the lower end of the telescopic rod (62) of the middle buffer (6) is provided with a buffer head (63), and A hinged sleeve (8) is provided on the outer cover of the telescopic rod (62), and the hinged sleeve (8) is hinged with the telescopic heads of the two side buffers (7). 2. A kind of counterweight structure with buffer device according to claim 1, characterized in that, the counterweight block group comprises a plurality of counterweight blocks (3) stacked in the counterweight frame, located in the counterweight block The center of the counterweight at the bottom of the block group is provided with a counterweight through hole (31) for inserting the tail of the intermediate buffer (6). 3. A counterweight structure with a buffer device according to claim 1, wherein the intermediate buffer (6) passes through the buffer after passing through the installation hole in the middle of the counterweight bottom beam (5). The nut (61) is fixed on the bottom of the counterweight bottom beam (5) to play a main bearing role when it is impacted. 4. A counterweight structure with a buffer device according to claim 3, characterized in that a reinforcing ring is further provided between the lower surface of the counterweight bottom beam (5) and the buffer nut (61) (52), used to cooperate with the buffer nut (61) to increase the impact resistance. 5. A counterweight structure with a buffer device according to claim 3, wherein the hinged sleeve (8) is in clearance fit with the telescopic rod (62), so that the hinged sleeve (8) can be placed on the telescopic rod. (62) Slide up and down outside. 6. A counterweight structure with a buffer device according to claim 5, characterized in that both sides of the hinge sleeve (8) are respectively provided with hinges that are hinged with the telescopic head of the side buffer (7) The ear plate, the tail of the side buffer (7) is installed on the bottom of the left and right sides of the counterweight bottom beam (5) through the hinge seat (71). 7. A kind of counterweight structure with buffer device according to claim 6, characterized in that, said counterweight bottom beam (5) is provided with a plurality of mounting holes (51) at equal intervals at the bottom of the left and right sides, The hinge seat (71) can be adjusted to different installation positions through the installation hole (51). 8 . The counterweight structure with buffer device according to claim 1 , wherein the counterweight top beam is provided with a pulley ( 2 ) for installing the wire rope. 9 . 9. A counterweight structure with a buffer device according to claim 1, characterized in that a guide member (4) matched with the counterweight guide rail is provided on the outer side of each counterweight longitudinal beam (1). 10 . The counterweight structure with buffer device according to claim 9 , wherein at least two guide members ( 4 ) are provided. 11 .

Images