CN217708478U - Counterweight side unit and elevator - Google Patents

Abstract

The utility model relates to a counterweight side unit and an elevator, comprising a counterweight frame body and a telescopic assembly, wherein the telescopic assembly includes a relatively telescopic telescopic part and a fixed part, and the telescopic direction is consistent with the lifting direction of the counterweight frame body , one of the telescopic part and the fixed part is connected with the counterweight frame body, and the other can extend to the bottom of the counterweight frame body along the lifting direction and be connected to the bottom of the counterweight frame body the buffer abuts. In normal use, the telescopic assembly can be used in combination with the buffer on the bottom surface of the hoistway to meet the buffer distance requirements and reduce the size of the buffer on the bottom surface of the hoistway. The telescopic part of the telescopic assembly protrudes relative to the fixed part during the top rescue, so that the counterweight frame body is jacked up so that the car slowly slides down.

Description

Counterweight side unit and lift

technical field

The utility model relates to the technical field of elevator equipment, in particular to a counterweight side unit and an elevator.

Background technique

Elevator jumping to the top means that the elevator loses control and rises rapidly and collides with the elevator shaft. After such an accident, the rescue usually uses a compensation device to pull the car to make the car move downward, or remove the counterweight to reduce the weight of the counterweight to make the car It can slide down, and there is a situation that the operation process is complicated. In addition, buffers are generally provided at the positions corresponding to the bottom surface of the elevator shaft and the counterweight frame, so that there is a certain buffer space when the counterweight goes down to the bottom. The buffering distance of the buffer is related to the structure of the elevator. Generally, in order to meet the safety requirements, the buffering distance of the buffer cannot be lower than the target value, and there is a problem of large size.

Utility model content

The utility model aims at the problems of the elevator's topping and the size of the buffer, and proposes a counterweight side unit and the elevator. By setting the telescopic assembly on the counterweight frame body, the telescopic assembly can be used as a buffer during normal use. Combined with the buffer on the bottom of the hoistway to meet the design requirements of the elevator, thereby reducing the size of the buffer on the bottom of the hoistway, the telescopic assembly can extend out against the buffer on the bottom of the hoistway during the rescue process, so that the counterweight frame body rises and the car The car slides down slowly.

A counterweight side unit, comprising:

Counterweight frame body;

A telescopic assembly, the telescopic assembly includes a telescopic part and a fixed part that can be relatively telescopic, and the telescopic direction is consistent with the lifting direction of the counterweight frame body, one of the telescopic part and the fixed part is in line with the pair The main body of the counterweight frame is connected, and the other can protrude below the main body of the counterweight frame along the lifting direction and abut against the buffer under the main body of the counterweight frame.

In one of the embodiments, the telescopic assembly includes a jack, the telescoping part includes a jacking part of the jack, and the fixing part includes a supporting and fixing seat of the jack.

In one embodiment, the jack is a hydraulic jack, the cylinder body of the hydraulic jack is connected to the counterweight frame body, and the ejector rod of the hydraulic jack can extend below the counterweight frame body.

In one of the embodiments, a hydraulic system is also included, and the hydraulic jack is an actuator of the hydraulic system.

In one of the embodiments, one of the telescopic part and the fixed part connected to the counterweight frame body is connected to the bottom surface of the counterweight frame body.

In one of the embodiments, a counterweight reversing sheave is provided on the top surface of the counterweight frame body, and a plurality of counterweight blocks are provided in the counterweight frame body.

In one of the embodiments, the position where the counterweight frame body is connected to the telescopic assembly is a support force position, and the center of the support force position and the center of gravity of the counterweight side unit are located on a longitudinal plane .

In one of the embodiments, the fixed part is connected to the counterweight frame body, the telescopic part can protrude below the counterweight frame body along the lifting direction, and the telescopic part A pressure plate is provided on the upper end away from the fixed part, and the cross-sectional area of the pressure plate is larger than that of the telescopic part;

And/or, the fixing part is connected to the counterweight frame body through a base.

An elevator comprising:

Car;

In the above-mentioned counterweight side unit, a connecting belt is connected between the car and the counterweight frame body;

A buffer, the buffer is located under the counterweight side unit and is facing the telescopic assembly.

An elevator comprising:

Car;

In the above-mentioned counterweight side unit, a connecting belt is connected between the car and the counterweight frame body;

a buffer, the buffer is located under the counterweight side unit and is facing the telescopic assembly;

A control unit for controlling the lifting of the car, the control unit is electrically connected with the hydraulic system, and is used for controlling the expansion and contraction of the hydraulic jack.

The above solution provides a counterweight side unit and an elevator. By arranging the telescopic assembly on the counterweight frame body, the telescopic assembly can be used in combination with the buffer on the bottom surface of the hoistway to meet the buffering requirements during normal use. Reduce the size of the buffer on the bottom of the hoistway to meet the distance requirements. During the top rescue, the telescopic part of the telescopic assembly protrudes relative to the fixed part, thereby lifting the counterweight frame body to make the car slide down slowly.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute an improper limitation of the utility model.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a schematic structural view of the counterweight side unit described in this embodiment when the telescopic assembly is in a contracted state;

Fig. 2 is a schematic structural view of the counterweight side unit in this embodiment when the telescopic assembly is in an extended state.

Explanation of reference signs:

10. Counterweight side unit; 11. Counterweight frame body; 111. Top beam; 112. Bottom beam; 12. Telescopic component; 121. Cylinder body; Wheel; 14, base.

Detailed ways

In order to make the above purpose, features and advantages of the present utility model more obvious and understandable, the specific implementation of the present utility model will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a full understanding of the present invention. However, the utility model can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below limit.

As shown in FIG. 1 and FIG. 2 , in one embodiment, a counterweight side unit 10 is provided, including a counterweight frame body 11 and a telescopic assembly 12 . The telescopic assembly 12 includes a relatively telescopic portion and a fixed portion, and the telescopic direction is consistent with the lifting direction of the counterweight frame body 11 . Generally, the counterweight frame body 11 is raised and lowered in the longitudinal direction, and the telescopic direction of the telescopic assembly 12 is also in the longitudinal direction.

One of the telescopic portion and the fixed portion is connected to the counterweight frame body 11, and the other can extend below the counterweight frame body 11 along the lifting direction and connect with the counterweight frame body. The lower bumper abuts. Specifically include that the telescopic part is connected to the counterweight frame body 11, and the fixed part can extend below the counterweight frame body 11 along the lifting direction; or the fixed part is connected to the counterweight frame body 11 connection, the telescoping part can protrude below the counterweight frame body 11 along the lifting direction, in two ways.

Elevator jumping to the top is a serious accident in the elevator field, and rescue needs to be carried out quickly after the occurrence of the top jumping. In the present application, by setting the telescopic assembly 12 on the counterweight frame body 11, during the top rushing rescue, the telescopic part protrudes relative to the fixed part as shown in FIG. Make the car slide down slowly. The telescopic assembly 12 can be lifted together with the counterweight frame body 11 during normal use. When the counterweight frame body 11 descends, the telescopic assembly 12 can be combined with the buffer on the bottom surface of the hoistway as a buffer to meet the requirements of the elevator safety buffer distance. Furthermore, the size of the buffer at the bottom of the hoistway is reduced while meeting the buffer distance requirement.

Specifically, the telescopic assembly 12 can be connected to the bottom surface of the counterweight frame body 11 or other positions without specific restrictions here, as long as it can be relatively abutted against the buffer on the bottom surface of the hoistway and then the counterweight frame body 11 can be lifted. Can. Preferably, the telescopic assembly 12 is connected to the bottom surface of the counterweight frame body 11, that is, one of the telescopic part and the fixed part that is connected to the counterweight frame body 11 is connected to the counterweight frame The bottom surface of the body 11.

Further, as shown in Fig. 1 and Fig. 2, the top surface of the counterweight frame body 11 is provided with a counterweight reversing sheave 13, and the counterweight frame body 11 is provided with a plurality of counterweight blocks (not shown in the figure). Shows). The weight of the entire counterweight side unit 10 is relatively large, and the counterweight side unit 10 will be pressed against the buffer on the bottom surface of the hoistway after the top rush occurs. When the telescopic assembly 12 is stretched out, the counterweight frame body 11 and the counterweight frame body 11 Components such as the counterweight and the centering anti-sheave are lifted upwards. After counterweight reversing sheave 13 moved up, car then can slowly slide down.

As shown in Figures 1 and 2, the counterweight frame body 11 is a rectangular frame, the two long sides of the rectangular frame are arranged longitudinally, and the two short sides of the rectangular frame are respectively a top beam 111 and a bottom beam 112, so The centering and reverse sheave is arranged on the top beam 111 , and the telescopic assembly 12 is arranged on the bottom beam 112 .

Furthermore, in some embodiments, the position on the counterweight frame body 11 connected to the telescopic assembly 12 is the supporting force position, the center of the supporting force position and the center of the counterweight side unit 10 The center of gravity lies on a longitudinal plane. Furthermore, when the telescopic assembly 12 stretches out to jack up the counterweight frame body 11, the counterweight frame body 11 moves more smoothly.

As shown in Figures 1 and 2, in some embodiments, the fixed part is connected to the counterweight frame body 11, and the telescopic part can extend below the counterweight frame body 11 along the lifting direction. A pressing plate 123 is provided at the end of the telescopic portion away from the fixed portion along the telescopic direction, and the cross-sectional area of the pressing plate 123 is larger than that of the telescopic portion. The resisting plate 123 is in direct contact with the buffer to improve the stability of resisting.

In some embodiments, the fixing part is connected to the counterweight frame body 11 through a base 14 . Optionally, the fixing portion may also be directly connected to the counterweight frame body 11 .

Further, as shown in FIG. 1 and FIG. 2 , in some embodiments, the telescopic assembly 12 includes a jack, the telescopic part includes the jacking part of the jack, and the fixed part includes the supporting and fixing part of the jack. seat. In one embodiment, the supporting and fixing seat of the jack is connected to the counterweight frame body 11 , and the jacking portion of the jack is telescopic relative to the supporting and fixing seat.

The jack has the function of pressure conversion, and with the help of a small force, the heavier counterweight frame body 11 and counterweight blocks can be lifted up to improve the convenience of operation.

Specifically, the jack may be a hydraulic jack or an oil hydraulic jack.

As shown in FIG. 1 and FIG. 2 , the cylinder body 121 of the hydraulic jack is connected to the counterweight frame body 11 , and the ejector rod 122 of the hydraulic jack can extend below the counterweight frame body 11 . For example, as shown in FIG. 1 and FIG. 2 , the cylinder body 121 is connected to the bottom surface of the counterweight frame body 11 , and the ejector rod 122 is located below the counterweight frame body 11 , and the extending direction is downward.

Furthermore, in some embodiments, the counterweight side unit 10 further includes a hydraulic system (not shown in the figure), and the hydraulic jack is an actuator of the hydraulic system.

Hydraulic systems generally include power components, actuators, control components, auxiliary components (accessories) and hydraulic oil. The operation of the power element provides power for the flow of hydraulic oil in the system, and the control unit can control the flow of hydraulic oil in the system, thereby making the actuator expand and contract. For example, the power element may be a hydraulic pump, and the control unit may be various hydraulic valves. The expansion and contraction process of the hydraulic jack is mainly controlled by the power elements and control elements of the hydraulic system.

Further, in yet another embodiment, an elevator is provided, comprising:

Car;

In the above-mentioned counterweight side unit 10, a connecting belt is connected between the car and the counterweight frame body 11;

A buffer, the buffer is located below the counterweight side unit 10 and is facing the telescopic assembly 12 .

When the top rushing situation occurs, the counterweight side unit 10 slides down at a high speed, and the car hits the top of the hoistway quickly. The buffer arranged under the counterweight side unit 10 can buffer the sliding counterweight side unit 10, and the telescopic assembly 12 facing the buffer can not only play a buffer role, but also can pass through the telescopic part and the fixed part. Relatively slide out between, make counterweight frame body 11 rise, and then make the car that rushes to the top move down. During normal use, the telescopic assembly 12 can be used in combination with the buffer at the bottom of the hoistway to meet the buffering distance requirement and reduce the size of the buffer at the bottom of the hoistway.

Furthermore, in another embodiment, an elevator is provided, in which a control unit for controlling the lift of the car is further provided. The control unit is electrically connected with the hydraulic system and is used to control the expansion and contraction of the hydraulic jack. It can be understood that the control unit controls the direction of hydraulic oil in the hydraulic system by controlling the power components and control components of the hydraulic system, and then controls the expansion and contraction of the hydraulic jack. The rescue work during the summit rush is carried out through remote control, on the one hand, it reduces the difficulty of rescue, and on the other hand, it also avoids the need for rescuers to enter the well to perform operations.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial ", "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrated; may be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediary, and may be an internal communication between two elements or an interactive relationship between two elements, unless otherwise stated Clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first feature and the second feature through an intermediary if the first feature is "on" or "under" the second feature indirect contact. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions are for the purpose of illustration only and are not intended to represent the only embodiment.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be interpreted as a limitation on the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. A counterweight side unit, characterized in that, comprising: Counterweight frame body; A telescopic assembly, the telescopic assembly includes a telescopic part and a fixed part that can be relatively telescopic, and the telescopic direction is consistent with the lifting direction of the counterweight frame body, one of the telescopic part and the fixed part is in line with the pair The main body of the counterweight frame is connected, and the other can protrude below the main body of the counterweight frame along the lifting direction and abut against the buffer under the main body of the counterweight frame. 2. The counterweight side unit according to claim 1, wherein the telescopic assembly includes a jack, the telescoping portion includes a jacking portion of the jack, and the fixing portion includes a support and fixing seat of the jack . 3. The counterweight side unit according to claim 2, wherein the jack is a hydraulic jack, the cylinder body of the hydraulic jack is connected to the counterweight frame body, and the ejector rod of the hydraulic jack can extend out to the bottom of the counterweight frame body. 4. The counterweight side unit according to claim 3, characterized in that the counterweight side unit further comprises a hydraulic system, and the hydraulic jack is an actuator of the hydraulic system. 5. The counterweight side unit according to any one of claims 1 to 4, characterized in that, one of the telescopic part and the fixed part connected to the counterweight frame body is connected to the The bottom surface of the counterweight frame body. 6. The counterweight side unit according to claim 5, wherein a counterweight reversing sheave is provided on the top surface of the counterweight frame body, and a plurality of counterweight blocks are provided in the counterweight frame body. 7. The counterweight side unit according to claim 6, characterized in that, the position on the counterweight frame body connected to the telescopic assembly is a support force position, and the center of the support force position and the The center of gravity of the counterweight side unit is located on a longitudinal plane. 8. The counterweight side unit according to any one of claims 1 to 4, wherein the fixed part is connected to the counterweight frame body, and the telescopic part can extend to the Below the counterweight frame body, a pressing plate is provided at one end of the telescopic portion away from the fixed portion along the telescopic direction, and the cross-sectional area of the pressing plate is larger than that of the telescopic portion; And/or, the fixing part is connected to the counterweight frame body through a base. 9. An elevator, characterized in that, comprising: Car; The counterweight side unit according to any one of claims 1 to 8, a connecting belt is connected between the car and the counterweight frame body; A buffer, the buffer is located under the counterweight side unit and is facing the telescopic assembly. 10. An elevator, characterized in that, comprising: Car; The counterweight side unit according to claim 4, a connecting belt is connected between the car and the counterweight frame body; a buffer, the buffer is located under the counterweight side unit and is facing the telescopic assembly; A control unit for controlling the lifting of the car, the control unit is electrically connected with the hydraulic system, and is used for controlling the expansion and contraction of the hydraulic jack.

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