CN112249988A

CN112249988A - Quick clutch device for manual operation port and elevator

Info

Publication number: CN112249988A
Application number: CN202011006275.8A
Authority: CN
Inventors: 王硕; 梁嘉震; 李明
Original assignee: Beijing Institute of Specialized Machinery
Current assignee: Beijing Institute of Specialized Machinery
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-01-22

Abstract

The invention discloses a rapid clutch device for a manual operation port and a lifter, wherein the rapid clutch device for the manual operation port comprises an extension shaft, an elastic part and a first thrust bearing, a first mounting hole is formed in a side plate of the lifter, the extension shaft can rotate and slide in the first mounting hole, a boss is arranged on the extension shaft, one end of the first thrust bearing is in contact with the boss, the other end of the first thrust bearing is in contact with one end of the elastic part, when the extension shaft is pushed to slide leftwards on the first mounting hole, a connector can be connected with the manual operation port, and the elastic part can generate elastic force for enabling the extension shaft to return. The rapid clutch device for the manual operation port can perform emergency operation and is high in safety.

Description

Quick clutch device for manual operation port and elevator

Technical Field

The invention relates to the field of emergency manual operation of elevators, in particular to a rapid clutch device for a manual operation port, which can be used for emergency operation of various elevator systems and the like needing rotation realization, and an elevator comprising the rapid clutch device for the manual operation port.

Background

All kinds of used lifts at present have manual operation demand mostly, adopt more be detachable manual handle or hand wheel, insert the handle through the operation mouth of reserving when the lift breaks down and needs emergency operation and operate. This kind of mode is comparatively complicated, and when the lift was located the inside great depths of whole equipment, need increase the mode of extension axle and extend the operation mouth to equipment edge, the extension axle rotates along with the lift normal work, and the security is relatively poor.

Disclosure of Invention

The invention aims to provide a rapid clutch device for a manual operation port, which can perform emergency operation when an elevator is positioned in a deep position in equipment and needs emergency operation, and has high safety.

In order to achieve the above object, the present invention provides a manual operation port quick clutch device, including an extension shaft, an elastic member and a first thrust bearing, a first mounting hole is arranged on a side plate of the lifter, the left end of the extension shaft passes through the first mounting hole, the extension shaft can rotate and slide in the first mounting hole, a boss is arranged on the extension shaft, the first thrust bearing is arranged on the extension shaft, one end of the first thrust bearing is contacted with the boss, the other end of the first thrust bearing is contacted with one end of the elastic piece, the left end of the extension shaft is provided with an interface which can be jointed with a manual operation port of the elevator, when the extension shaft is pushed to slide leftwards on the first mounting hole, the interface can be engaged with the manual operation port, and the elastic piece can generate elastic force for enabling the extension shaft to return.

Preferably, the manual operation opening rapid clutch device further comprises a fixing frame, the fixing frame comprises a supporting plate, the supporting plate is fixed on a base plate of the elevator, a gap is formed between the supporting plate and the side plate, a second mounting hole is formed in the supporting plate, the left end of the extension shaft penetrates through the second mounting hole and the first mounting hole, the extension shaft can rotate and slide in the second mounting hole and the first mounting hole, and the boss is located between the supporting plate and the side plate.

Preferably, the fixing frame further comprises an upper plate, and two ends of the upper plate are respectively and fixedly connected with the side plate and the support plate.

Preferably, the extension shaft includes a first cylindrical surface and a second cylindrical surface which are coaxially arranged, the diameter of the second cylindrical surface is smaller than that of the first cylindrical surface, and the step between the first cylindrical surface and the second cylindrical surface forms the boss.

Preferably, a rolling bearing is fixedly installed in a first installation hole of the side plate, a sliding bearing is fixedly installed on an inner ring of the rolling bearing, the extension shaft slidably penetrates through the sliding bearing, the sliding bearing is located outside the first installation hole, a second thrust bearing is installed on the sliding bearing, one end of the second thrust bearing is in contact with a step of the sliding bearing, the other end of the second thrust bearing is in contact with the other end of the elastic piece, and the elastic piece is a pressure spring.

Preferably, the brace is located to the right of the side plate.

Preferably, a graphite shaft sleeve is mounted on the second mounting hole of the support plate, the first cylindrical surface of the extension shaft is matched with the graphite shaft sleeve, and the second cylindrical surface of the extension shaft is matched with the sliding bearing.

Preferably, a limiting member is further fixedly mounted on the second cylindrical surface of the extension shaft, and when the extension shaft is not pushed leftward, an end surface of the limiting member contacts with a left end surface of the side plate or a left end surface of the sliding bearing.

Preferably, the handle is installed to the right end of extension axle, the interface is the hexagonal hole, the locating part is the jump ring.

The invention also provides a rapid clutch device for a manual operation port, which has the same concept as the rapid clutch device for the manual operation port and comprises an extension shaft, an elastic piece, a first thrust bearing and a side plate, a first mounting hole is arranged on the side plate, the left end of the extension shaft passes through the first mounting hole, the extension shaft can rotate and slide in the first mounting hole, a boss is arranged on the extension shaft, the first thrust bearing is arranged on the extension shaft, one end of the first thrust bearing is contacted with the boss, the other end of the first thrust bearing is contacted with one end of the elastic piece, the left end of the extension shaft is provided with an interface which can be jointed with a manual operation port, when the extension shaft is pushed to slide leftwards on the first mounting hole, the interface can be engaged with the manual operation port, and the elastic piece can generate elastic force for enabling the extension shaft to return.

The quick clutch device for the manual operation port is different from the prior art in that the first mounting hole is formed in the side plate, so that the extension shaft can penetrate through the first mounting hole and rotate on the first mounting hole, when emergency operation is required, the extension shaft is pushed, the interface on the extension shaft is enabled to be connected with the manual operation port of equipment needing the emergency operation, then the extension shaft is rotated, the emergency operation can be carried out, after the operation is finished, the extension shaft returns to the original position under the elastic force action of the elastic piece, the interface on the extension shaft is separated from the manual operation port, and the safety of the equipment and the quick clutch device is guaranteed. Therefore, the rapid clutch device for the manual operation port provided by the invention can perform emergency operation when the elevator is positioned in the deep inside of the equipment and needs emergency operation, and has high safety.

Another object of the present invention is to provide an elevator which can be conveniently operated in emergency and has high safety.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

an elevator comprising a housing, a lifting system mounted in said housing and a manually operable port quick clutch as described above, said lifting system comprising a manually operable port engageable with an interface of said manually operable port quick clutch to transmit torque.

The technical advantages of the elevator and the manual operation port rapid clutch device in the prior art are the same, and are not described in detail herein.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a portion of an elevator including a manually operated port quick clutch apparatus according to one embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a front cross-sectional view of one embodiment of a manually operated port quick disconnect coupling provided in accordance with the present invention, with the interface and the manually operated port disengaged;

FIG. 4 is a front cross-sectional view of the manually operated port quick clutch assembly shown in FIG. 3, with the interface port engaged with the manually operated port;

FIG. 5 is a schematic view of the construction of the elongate shaft with the handle attached;

description of reference numerals:

1-an extension shaft; 11-a boss; 12-an interface; 13-a first cylindrical surface; 14-a second cylindrical surface; 2-an elastic member; 3-a first thrust bearing; 4-a fixing frame; 41-upper plate; 42-side plate; 43-a plate; 44-a substrate; 5-rolling bearings; 6-a plain bearing; 7-a second thrust bearing; 8-a graphite shaft sleeve; 91-a stop; 92-a handle; 93-manual operation port; 94-lifting system.

Detailed Description

The present invention will be further described with reference to the drawings and embodiments. The use and purpose of these exemplary embodiments are to illustrate the present invention, not to limit the actual scope of the present invention in any way, and not to limit the scope of the present invention in any way.

In the present invention, orientation words such as "up, down, left and right" are defined, and in the case where no description is made to the contrary, the orientation words are defined in the normal use of the manually operated port quick clutch apparatus provided in the present invention, and correspond to the up, down, left and right directions shown in fig. 2. The term "inner and outer" refers to the inner and outer contours of the respective component parts. These directional terms are used for ease of understanding and are not intended to limit the scope of the present invention.

In the present invention, when a component is referred to as being "secured" to another component, it can be directly secured to the other component or intervening components may also be present. 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.

Referring to fig. 1 to 3 as appropriate, the present invention provides a manual-operation-port quick clutch device of a basic embodiment including an extension shaft 1, an elastic member 2, and a first thrust bearing 3. The manual operation port rapid clutch device is installed on the elevator. A first mounting hole is formed in a side plate 42 of the elevator, the left end of the extension shaft 1 penetrates through the first mounting hole, and the extension shaft 1 can rotate and slide in the first mounting hole. The side plates 42 of the elevator may be side walls forming an elevator housing or may be flat plates fixed to the elevator housing for mounting the clutch device.

The extension shaft 1 is provided with a boss 11, the first thrust bearing 3 is installed on the extension shaft 1, one end of the first thrust bearing 3 is in contact with the boss 11, and the other end of the first thrust bearing 3 is in contact with one end of the elastic piece 2. The boss 11 may be formed by various suitable structures as long as it can abut against one end of the first thrust bearing 3. The left end of the extension shaft 1 is provided with an interface 12 which can be engaged with a manual operation opening 93 of the elevator, when the extension shaft 1 is pushed to slide leftwards on the first mounting hole, the interface 12 can be engaged with the manual operation opening 93, and the elastic member 2 can generate elastic force for returning the extension shaft 1. The elastic element 2 can adopt various existing elastic parts capable of enabling the extension shaft 1 to return, such as a pressure spring, a tension spring and the like. The interface 12 is preferably a hexagonal hole.

The above-mentioned basic embodiment provides a quick clutch device for a manual operation opening, which is first installed on a lift when emergency operation is required, and pushes the extension shaft 1 to slide leftward, as shown in fig. 4, so that the interface 12 thereon is engaged with the manual operation opening 93 of the lift, and then rotates the extension shaft 1, so as to perform emergency operation. After the operation is finished, the extension shaft 1 returns to the original position under the elastic force of the elastic member 2, and as shown in fig. 3, the interface 12 on the extension shaft 1 is separated from the manual operation port 93, so that the safety of the equipment and the quick clutch device is ensured. Since the elastic member 2 is in contact with the other end of the first thrust bearing 3, the extension shaft 1 can be rapidly rotated, thereby being suitable for emergency operation of the elevator.

In a preferred embodiment of the present invention, referring to fig. 2 and 3, the manual operation port quick clutch device further includes a fixing frame 4. The fixed frame 4 comprises a support plate 43, the support plate 43 is fixed on a base plate 44 of the lifter, and a space is formed between the support plate 43 and the side plate 42, and the space forms an installation space for installing the elastic piece 2. A second mounting hole is formed in the support plate 43, the left end of the extension shaft 1 penetrates through the second mounting hole and the first mounting hole, the extension shaft 1 can rotate and slide in the second mounting hole and the first mounting hole, and the boss 11 is located between the support plate 43 and the side plate 42. More preferably, the fixing frame 4 further includes an upper plate 41, two ends of the upper plate 41 are respectively and fixedly connected with the side plate 42 and a support plate 43, and the support plate 43 is located at the right side of the side plate 42. The upper plate 41, the side plates 42, the base plate 44 and the support plate 43 are fixedly connected to each other to form a stable frame structure.

In the present invention, the projection 11 of the extension shaft 1 may be formed in various suitable manners, for example, an annular protrusion is formed on the extension shaft 1, thereby forming the projection 11. Preferably, as shown in fig. 5, the extension shaft 1 includes a first cylindrical surface 13 and a second cylindrical surface 14 which are coaxially arranged, the diameter of the second cylindrical surface 14 is smaller than that of the first cylindrical surface 13, and the step between the first cylindrical surface 13 and the second cylindrical surface 14 forms the boss 11.

In order to avoid the influence of the elastic element 2 on the rotation of the extension shaft 1 during the use, in a preferred embodiment of the present invention, as shown in fig. 3, a rolling bearing 5 is fixedly installed in a first installation hole of the side plate 42, a sliding bearing 6 is fixedly installed on an inner ring of the rolling bearing 5, the extension shaft 1 slidably passes through the sliding bearing 6, the sliding bearing 6 is located outside the first installation hole, a second thrust bearing 7 is installed on the sliding bearing 6, one end of the second thrust bearing 7 is in contact with a step of the sliding bearing 6, the other end of the second thrust bearing 7 is in contact with the other end of the elastic element 2, the elastic element 2 is a compression spring, and the compression spring is sleeved on the extension shaft 1. At this time, the elastic member 2 can rotate freely without affecting the rotation of the extension shaft 1.

In order to make the extension shaft 1 rotate more smoothly, it is preferable that a graphite bushing 8 is installed on the second installation hole of the support plate 43, as shown in fig. 3, the first cylindrical surface 13 of the extension shaft 1 is engaged with the graphite bushing 8, and the second cylindrical surface 14 of the extension shaft 1 is engaged with the sliding bearing 6.

On the basis of the above embodiment, more preferably, a limiting member 91 is further fixedly mounted on the second cylindrical surface 14 of the extension shaft 1, and the limiting member 91 is a snap spring which is snapped on the extension shaft 1. When the extension shaft 1 is not pushed to the left, the end surface of the stopper 91 contacts with the left end surface of the side plate 42 or the left end surface of the sliding bearing 6, so that the extension shaft 1 can be prevented from slipping out of the first mounting hole.

A handle 92 is arranged at the right end of the extension shaft 1, so that the extension shaft 1 can be rotated and pushed conveniently, and the convenience of the manual operation port quick clutch device is improved.

The invention also provides another manual operation port rapid clutch device which can be applied to various devices needing emergency operation realized by rotation.

The quick clutch device for the manual operation port comprises an extension shaft 1, an elastic piece 2, a first thrust bearing 3 and a side plate 42. The side plate 42 may be a side wall of the equipment requiring emergency operation or may be a separate plate capable of being fixedly mounted on the equipment. The side plate 42 is provided with a first mounting hole, the left end of the extension shaft 1 penetrates through the first mounting hole, the extension shaft 1 can rotate and slide in the first mounting hole, the extension shaft 1 is provided with a boss 11, the first thrust bearing 3 is mounted on the extension shaft 1, one end of the first thrust bearing 3 is in contact with the boss 11, the other end of the first thrust bearing 3 is in contact with one end of the elastic member 2, the left end of the extension shaft 1 is provided with a connector 12 which can be connected with a manual operation port 93, when the extension shaft 1 is pushed to slide leftwards on the first mounting hole, the connector 12 can be connected with the manual operation port 93, and the elastic member 2 can generate elastic force for enabling the extension shaft 1 to return.

The preferred structure of each component in the manual operation port quick clutch device of the present embodiment is the same as that of the above-described manual operation port quick clutch device dedicated to the elevator, and will not be described again.

Based on the technical concept, the invention also provides an elevator, as shown in fig. 1 and 2, which comprises a housing, an elevator system 94 mounted in the housing, and a manual operation port quick clutch device, wherein the elevator system 94 comprises a manual operation port 93, and the manual operation port 93 can be engaged with the interface 12 of the manual operation port quick clutch device to transmit torque.

As mentioned above, according to the rapid clutch device for the manual operation port, emergency rotation can be performed by manually pressing the operation part when emergency needs occur, and the operation part is automatically separated from the electric transmission part after emergency operation is completed. The device can be used for various emergency operations needing to be realized by rotation, such as an elevator system.

The sequence of the above embodiments is only for convenience of description, and does not represent the merits of the embodiments.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. The quick clutch device for the manual operation port is characterized by comprising an extension shaft (1), an elastic piece (2) and a first thrust bearing (3), wherein a first mounting hole is formed in a side plate (42) of a lift, the left end of the extension shaft (1) penetrates through the first mounting hole, the extension shaft (1) can rotate and slide in the first mounting hole, a boss (11) is arranged on the extension shaft (1), the first thrust bearing (3) is mounted on the extension shaft (1), one end of the first thrust bearing (3) is in contact with the boss (11), the other end of the first thrust bearing (3) is in contact with one end of the elastic piece (2), an interface (12) capable of being engaged with the manual operation port (93) of the lift is mounted at the left end of the extension shaft (1), and when the extension shaft (1) is pushed to slide leftwards on the first mounting hole, the interface (12) is engageable with the manual operation port (93), and the elastic member (2) is capable of generating an elastic force that returns the extension shaft (1).

2. The manual operation opening rapid clutch device according to claim 1, further comprising a fixed frame (4), wherein the fixed frame (4) comprises a support plate (43), the support plate (43) is fixed on a base plate (44) of the elevator, a distance is formed between the support plate (43) and the side plate (42), a second mounting hole is formed in the support plate (43), the left end of the extension shaft (1) passes through the second mounting hole and the first mounting hole, the extension shaft (1) can rotate and slide in the second mounting hole and the first mounting hole, and the boss (11) is located between the support plate (43) and the side plate (42).

3. The manual operation port quick clutch device according to claim 2, wherein the fixing frame (4) further comprises an upper plate (41), and two ends of the upper plate (41) are fixedly connected with the side plate (42) and the support plate (43), respectively.

4. The rapid clutch device for the manual operation port according to claim 2, characterized in that the extension shaft (1) comprises a first cylindrical surface (13) and a second cylindrical surface (14) which are coaxially arranged, the diameter of the second cylindrical surface (14) is smaller than that of the first cylindrical surface (13), and the step between the first cylindrical surface (13) and the second cylindrical surface (14) forms the boss (11).

5. The rapid clutch device for the manual operation port according to claim 4, wherein a rolling bearing (5) is fixedly installed in the first installation hole of the side plate (42), a sliding bearing (6) is fixedly installed on an inner ring of the rolling bearing (5), the extension shaft (1) slidably penetrates through the sliding bearing (6), the sliding bearing (6) is located outside the first installation hole, a second thrust bearing (7) is installed on the sliding bearing (6), one end of the second thrust bearing (7) is in contact with a step of the sliding bearing (6), the other end of the second thrust bearing (7) is in contact with the other end of the elastic member (2), and the elastic member (2) is a compression spring.

6. The manually operated port quick clutch device according to claim 5, wherein the fulcrum plate (43) is located on the right side of the side plate (42).

7. The rapid clutch device for the manual operation port as claimed in claim 6, wherein a graphite bushing (8) is installed on the second installation hole of the support plate (43), the first cylindrical surface (13) of the extension shaft (1) is matched with the graphite bushing (8), and the second cylindrical surface (14) of the extension shaft (1) is matched with the sliding bearing (6).

8. The manual operation port quick clutch device according to claim 7, wherein a limiting member (91) is further fixedly mounted on the second cylindrical surface (14) of the extension shaft (1), when the extension shaft (1) is not pushed to the left, an end surface of the limiting member (91) contacts with a left end surface of the side plate (42) or a left end surface of the sliding bearing (6), a handle (92) is mounted at a right end of the extension shaft (1), the interface (12) is a hexagonal hole, and the limiting member (91) is a snap spring.

9. The quick clutch device for the manual operation port is characterized by comprising an extension shaft (1), an elastic piece (2), a first thrust bearing (3) and a side plate (42), wherein a first mounting hole is formed in the side plate (42), the left end of the extension shaft (1) penetrates through the first mounting hole, the extension shaft (1) can rotate and slide in the first mounting hole, a boss (11) is arranged on the extension shaft (1), the first thrust bearing (3) is mounted on the extension shaft (1), one end of the first thrust bearing (3) is in contact with the boss (11), the other end of the first thrust bearing (3) is in contact with one end of the elastic piece (2), an interface (12) capable of being engaged with the manual operation port (93) is mounted at the left end of the extension shaft (1), and when the extension shaft (1) is pushed to slide leftwards on the first mounting hole, the interface (12) is engageable with the manual operation port (93), and the elastic member (2) is capable of generating an elastic force that returns the extension shaft (1).

10. An elevator characterized by comprising a housing, an elevator system (94) mounted within the housing and a manually operated port quick clutch device according to any one of claims 1-8, the elevator system (94) comprising a manually operated port (93), the manually operated port (93) engageable with an interface (12) of the manually operated port quick clutch device to transmit torque.