CN216613632U

CN216613632U - Two-side synchronous lifting mechanism of elevator upper beam safety tongs

Info

Publication number: CN216613632U
Application number: CN202123266960.7U
Authority: CN
Inventors: 严建东; 司文鑫; 杜秀标; 徐伟; 曹俊
Original assignee: Jiangsu Qianyi Industrial Co ltd
Current assignee: Jiangsu Qianyi Industrial Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-27
Anticipated expiration: 2031-12-23

Abstract

The utility model provides a two side synchronous lifting mechanism of elevator upper beam safety tongs, includes the upper beam, carries pull arm one, pivot one, carries the pull rod, carries pull rod backup pad, connecting plate one, connecting plate two, pivot two, carries pull arm two, swing arm, UKS push pedal and UKS switch, the both ends of carrying the pull rod are articulated with connecting plate one and connecting plate two respectively to the intermediate position of carrying the pull rod with carry pull rod backup pad sliding connection, carry pull arm two and pivot two to be connected, connecting plate two is connected with the one end of pivot two, swing arm and two other ends that keep away from connecting plate two of pivot are connected, UKS push pedal and swing arm are connected, and the UKS push pedal can contact with the UKS switch. According to the bilateral synchronous lifting mechanism of the elevator upper beam safety tongs, the lifting arms are arranged at the two ends of the upper beam in the length direction, the lifting rod is integrally and partially in the range of the section of the upper beam, the space of an elevator car is saved, the reliability of the integral lifting device is high, and the lifting action of the safety tongs can be more flexible and reliable.

Description

Two-side synchronous lifting mechanism of elevator upper beam safety tongs

Technical Field

The utility model belongs to the technical field of production and manufacturing of mechanical basic parts, and particularly relates to a bilateral synchronous lifting mechanism of an elevator upper beam safety tongs.

Background

The elevator is a vertical elevator taking a motor as power, is provided with a box-shaped nacelle and is used for carrying people or goods in a multi-storey building; the elevator car frame is one of main components of an elevator, and the car frame is formed by an upper beam assembly and a lower beam assembly of the car frame.

The elevator safety gear device is a safety device which emergently stops a car and clamps a clamp block on a guide rail after the elevator has serious faults such as overspeed, rope breakage and the like under the operation of a speed limiter, and provides effective protection effect on the safe operation of the elevator, and a lifting mechanism is a bridge which is in contact with the speed limiter and the safety gear. The main actions of the lifting mechanism are: the rope clamping pliers clamp the stopper rope through the action of the speed limiter, the speed limiter rope lifts the safety pliers connecting rod mechanism along with the downward movement of the car to cause the safety pliers connecting rod mechanism to act, the lifting rod is pulled through the lifting mechanism to cause the pliers block of the safety pliers to slide upwards in the pliers seat, and after the pliers block is contacted with the guide rail, a friction effect is generated to drive the safety pliers braking element to be contacted with the guide rail, so that the safety pliers are simultaneously clamped on the guide rail to brake the car.

The lifting linkage mechanism of the safety tongs needs special space and has a complex structure, so that the space saving of the elevator car is not facilitated. Therefore, a safety gear fixing and lifting linkage mechanism which saves space and has a simple structure is needed.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a bilateral synchronous lifting mechanism of an elevator upper beam safety gear, which solves the problem that the lifting structure of the elevator safety gear is complex and the occupied space position is unreasonable in the prior art, so that the elevator installation process is limited greatly.

The technical scheme is as follows: the utility model provides a bilateral synchronous lifting mechanism of elevator upper beam safety tongs, which comprises an upper beam, a lifting arm I, a rotating shaft I, a lifting rod supporting plate, a connecting plate I, a connecting plate II, a rotating shaft II, a lifting arm II, a swing arm, a UKS push plate and a UKS switch, the first rotating shaft, the lifting rod supporting plate, the second rotating shaft and the UKS switch are all arranged on the upper beam, the first lifting arm is connected with the first rotating shaft, the first connecting plate is connected with one end of the first rotating shaft, the two ends of the lifting rod are respectively hinged with the first connecting plate and the second connecting plate, the middle position of the lifting rod is connected with the lifting rod supporting plate in a sliding way, the second lifting arm is connected with the second rotating shaft, the second connecting plate is connected with one end of the second rotating shaft, the swing arm is connected with the other end of the second rotating shaft far away from the second connecting plate, the UKS push plate is connected with the swing arm, and the UKS push plate can be in contact with the UKS switch. According to the bilateral synchronous lifting mechanism of the elevator upper beam safety tongs, the lifting arms are arranged at the two ends of the upper beam in the length direction, the lifting rod is integrally and partially in the range of the section of the upper beam, the space of an elevator car is saved, the reliability of the integral lifting device is high, and the lifting action of the safety tongs can be more flexible and reliable.

Furthermore, according to the bilateral synchronous lifting mechanism of the elevator upper beam safety tongs, the upper beam is of a rectangular structure, the first rotating shaft and the second rotating shaft are respectively arranged at two ends of the upper beam in the length direction, and the first rotating shaft and the second rotating shaft are rotatably connected with the upper beam.

Further, the two-side synchronous lifting mechanism of the elevator upper beam safety tongs comprises a first U-shaped steel, a second U-shaped steel and a set of rectangular connecting plates, wherein the first U-shaped steel and the second U-shaped steel are symmetrically arranged, the U-shaped grooves of the first U-shaped steel and the second U-shaped steel are arranged towards the outer side, the first U-shaped steel and the second U-shaped steel are connected through the rectangular connecting plates, the first rotating shaft and the second rotating shaft are rotatably connected with the first U-shaped steel and the second U-shaped steel, the first U-shaped steel and the second U-shaped steel are respectively penetrated through the two ends of the first rotating shaft and the two ends of the second rotating shaft, the lifting rod supporting plate is fixedly arranged on the side wall of the outer side of the second U-shaped steel, and the lifting rod is located in the U-shaped groove of the second U-shaped steel.

Further, according to the bilateral synchronous lifting mechanism of the elevator upper beam safety tongs, the lifting rod supporting plate is a T-shaped plate.

Furthermore, the double-side synchronous lifting mechanism of the elevator upper beam safety tongs comprises a first lifting arm, a first connecting sleeve and two first symmetrically-arranged lifting arm bodies, wherein the first connecting sleeve is sleeved on the first rotating shaft and fixedly connected with the first rotating shaft through the first fixing screw, and one end of each of the two first symmetrically-arranged lifting arm bodies is fixedly connected with the outer wall of the first connecting sleeve.

Furthermore, the two-side synchronous lifting mechanism of the elevator upper beam safety tongs comprises a second lifting arm, a second connecting sleeve and two symmetrically arranged second lifting arm bodies, wherein the second connecting sleeve is sleeved on the second rotating shaft and fixedly connected with the second rotating shaft through the second fixing screw, one end of each of the two symmetrically arranged second lifting arm bodies is fixedly connected with the outer wall of the second connecting sleeve, and the first lifting arm body and the second lifting arm body are both located between the first U-shaped steel and the second U-shaped steel.

Furthermore, in the bilateral synchronous lifting mechanism of the elevator upper beam safety gear, one end of the first connecting plate is connected with one end of the lifting rod through a key, one end of the second connecting plate is connected with one end of the lifting rod through a key, and the first connecting plate and the second connecting plate are respectively arranged on the upper side and the lower side of the lifting rod.

Furthermore, the double-side synchronous lifting mechanism of the elevator upper beam safety gear is characterized in that a mounting plate is arranged on the outer side wall, away from the U-shaped steel II, of the U-shaped steel I, and the UKS switch is fixedly connected with the mounting plate.

Furthermore, in the double-side synchronous lifting mechanism of the elevator upper beam safety tongs, the UKS push plate is arranged in a fan shape, and a step is arranged on the outer circumference of the UKS push plate close to the UKS switch.

Further, the two-side synchronous lifting mechanism of the elevator upper beam safety tongs is characterized in that one end of the swing arm is connected with a third connecting sleeve, the third connecting sleeve is sleeved on the end portion of the second rotating shaft and fastened with the second rotating shaft through screws, the outer wall of the third connecting sleeve is connected with a transfer plate, and one end of the UKS push plate is fixedly connected with the transfer plate through a fastener.

The technical scheme shows that the utility model has the following beneficial effects: the double-side synchronous lifting mechanism of the elevator upper beam safety tongs is suitable for passenger elevators with machine rooms, and ensures stable and safe use of the elevators; utilize the rational structure setting of commodity simultaneously, when increasing substantially the holistic bearing capacity of sedan-chair frame underbeam for it is rationally distributed with the commodity to carry the pull rod, compact structure, thereby prolongs the life of sedan-chair frame, further improves the safety in utilization of elevator, is favorable to using widely of this elevator sedan-chair frame upper beam.

Drawings

Fig. 1 is a front view of a double-sided synchronous lifting mechanism of an elevator upper beam safety gear of the present invention;

FIG. 2 is a left side view of a double-sided synchronous lifting mechanism of the elevator upper beam safety gear of the present invention;

fig. 3 is a rear view of a double-sided synchronous lifting mechanism of the elevator upper beam safety gear of the present invention;

fig. 4 is a top view of the double-sided synchronous lifting mechanism of the elevator upper beam safety gear of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The double-side synchronous lifting mechanism of the elevator upper beam safety gear shown in the figures 1-4 comprises an upper beam 1, a lifting arm I2, a rotating shaft I3, a lifting rod 4, a lifting rod support plate 5, a connecting plate I6, a connecting plate II 7, a rotating shaft II 8, a lifting arm II 9, a swing arm 10, a UKS push plate 20 and a UKS switch 30, wherein the lifting rod support plate 5 is a T-shaped plate, the rotating shaft I3, the lifting rod support plate 5, the rotating shaft II 8 and the UKS switch 30 are all arranged on the upper beam 1, the lifting arm I2 is connected with the rotating shaft I3, the connecting plate I6 is connected with one end of the rotating shaft I3, two ends of the lifting rod 4 are respectively hinged with the connecting plate I6 and the connecting plate II 7, the middle position of the lifting rod 4 is connected with the lifting rod support plate 5 in a sliding manner, the lifting arm II 9 is connected with the rotating shaft II 8, the connecting plate II 7 is connected with one end of the rotating shaft II 8, the swing arm 10 and the other end of the rotating shaft II 8, which is far away from the connecting plate II 7, are connected, the UKS push plate 20 and the swing arm 10 are connected, and the UKS push plate 20 can be in contact with the UKS switch 30.

The upper beam 1 is of a rectangular structure, the first rotating shaft 3 and the second rotating shaft 8 are respectively arranged at two ends of the upper beam 1 in the length direction, and the first rotating shaft 3 and the second rotating shaft 8 are rotatably connected with the upper beam 1. The upper beam 1 comprises a first U-shaped steel 11, a second U-shaped steel 12 and a set of rectangular connecting plate 13, the first 11 and second 12 symmetrical U-shaped steels are arranged, the first 11 and second 12U-shaped steel grooves are arranged towards the outer side, the first 11 and second 12U-shaped steels are connected through the rectangular connecting plate 13, the first 3 and second 8 rotating shafts are rotatably connected with the first 11 and second 12U-shaped steels, the first 3 and second 8 rotating shafts are respectively connected with the two ends of the second 8 rotating shafts through the first 11 and the second 12U-shaped steels, the supporting plate 5 is fixedly arranged on the side wall of the second 12 outer sides of the U-shaped steels, and the lifting rod 4 is located in the second 12U-shaped steel grooves.

Secondly, the lifting arm I2 comprises a first fixing screw 21, a first connecting sleeve 22 and two symmetrically arranged lifting arm bodies I23, the first connecting sleeve 22 is sleeved on the first rotating shaft 3, the first connecting sleeve 22 is fixedly connected with the first rotating shaft 3 through the first fixing screw 21, and one end of each of the two symmetrically arranged lifting arm bodies I23 is fixedly connected with the outer wall of the first connecting sleeve 22. The second lifting arm 9 comprises a second fixing screw 91, a second connecting sleeve 92 and two second lifting arm bodies 93 which are symmetrically arranged, the second connecting sleeve 92 is sleeved on the second rotating shaft 8, the second connecting sleeve 92 is fixedly connected with the second rotating shaft 8 through the second fixing screw 91, one ends of the two second lifting arm bodies 93 which are symmetrically arranged are fixedly connected with the outer wall of the second connecting sleeve 92, and the first lifting arm body 23 and the second lifting arm bodies 93 are both located between the first U-shaped steel 11 and the second U-shaped steel 12.

And one end of the first connecting plate 6 is connected with one end of the lifting rod 4 through a key, one end of the second connecting plate 7 is connected with one end of the lifting rod 4 through a key, and the first connecting plate 6 and the second connecting plate 7 are respectively positioned on the upper side and the lower side of the lifting rod 4.

In addition, a mounting plate 111 is arranged on the outer side wall, away from the U-shaped steel 12, of the U-shaped steel I11, and the UKS switch 30 is fixedly connected with the mounting plate 111. The UKS push plate 20 is provided in a fan shape, and a step 201 is provided on an outer circumference of the UKS push plate 20 near the UKS switch 30. One end of the swing arm 10 is connected with a third connecting sleeve 101, the third connecting sleeve 101 is sleeved on the end portion of the second rotating shaft 8, the third connecting sleeve 101 and the second rotating shaft 8 are fastened through screws, an adapter plate 102 is connected to the outer wall of the third connecting sleeve 101, and one end of the UKS push plate 20 is fixedly connected with the adapter plate 102 through a fastener.

The working principle of the bilateral synchronous lifting mechanism of the elevator upper beam safety tongs is as follows:

when the first lifting arm 2 is lifted upwards, the first rotating shaft 3 is driven to rotate, the first rotating shaft 3 drives the first connecting plate 6 to do circular motion by taking the first rotating shaft 3 as a circle center, the outer edge of the first connecting plate 6 swings to drive the lifting rod 4 to move, the lifting rod 4 drives the second connecting plate 7 to swing by taking the second rotating shaft 8 as a circle center, meanwhile, the second connecting plate 7 drives the second rotating shaft 8 to rotate, the second rotating shaft 8 drives the second lifting arm 9 and the swing arm 10 to swing, and the swing arm 10 enables the step 201 on the UKS push plate 20 not to be acted with the UKS switch 30.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a mechanism is carried in step to two sides of elevator safety tongs that put beams on a beam which characterized in that: comprises an upper beam (1), a first lifting arm (2), a first rotating shaft (3), a lifting rod (4), a lifting rod support plate (5), a first connecting plate (6), a second connecting plate (7), a second rotating shaft (8), a second lifting arm (9), a swing arm (10), a UKS push plate (20) and a UKS switch (30), wherein the first rotating shaft (3), the lifting rod support plate (5), the second rotating shaft (8) and the UKS switch (30) are all arranged on the upper beam (1), the first lifting arm (2) is connected with the first rotating shaft (3), the first connecting plate (6) is connected with one end of the first rotating shaft (3), two ends of the lifting rod (4) are respectively hinged with the first connecting plate (6) and the second connecting plate (7), the middle position of the lifting rod (4) is connected with the lifting rod support plate (5) in a sliding manner, the second lifting arm (9) is connected with the second rotating shaft (8), and the second connecting plate (7) is connected with one end of the second rotating shaft (8), the swing arm (10) and the other end of the second rotating shaft (8) far away from the second connecting plate (7) are connected, the UKS push plate (20) is connected with the swing arm (10), and the UKS push plate (20) can be in contact with the UKS switch (30).

2. The double-sided synchronous lifting mechanism of elevator upper beam safety gear according to claim 1, characterized in that: the upper beam (1) is of a rectangular structure, the first rotating shaft (3) and the second rotating shaft (8) are respectively arranged at two ends of the upper beam (1) in the length direction, and the first rotating shaft (3) and the second rotating shaft (8) are rotatably connected with the upper beam (1).

3. The double-sided synchronous lifting mechanism of elevator upper beam safety gear according to claim 1, characterized in that: go up roof beam (1) and include U shaped steel (11), U shaped steel two (12) and a set of rectangular connecting plate (13), U shaped steel (11) and U shaped steel two (12) symmetry set up to the U type groove of U shaped steel (11) and U shaped steel two (12) sets up towards the outside, connect through rectangular connecting plate (13) between U shaped steel (11) and U shaped steel two (12), pivot (3) and pivot two (8) rotate with U shaped steel (11) and U shaped steel two (12) and are connected, and the both ends of pivot (3) and pivot two (8) run through U shaped steel (11) and U shaped steel two (12) respectively, carry pull rod backup pad (5) fixed the setting on the lateral wall in U shaped steel two (12) outsides, carry pull rod (4) to be located the U type inslot of U shaped steel two (12).

4. The double-sided synchronous lifting mechanism of elevator upper beam safety gear according to claim 1, characterized in that: the lifting rod supporting plate (5) is a T-shaped plate.

5. The double-sided synchronous lifting mechanism of elevator upper beam safety gear according to claim 3, characterized in that: the first lifting arm (2) comprises a first fixing screw (21), a first connecting sleeve (22) and two first lifting arm bodies (23) which are symmetrically arranged, the first connecting sleeve (22) is sleeved on the first rotating shaft (3), the first connecting sleeve (22) is fixedly connected with the first rotating shaft (3) through the first fixing screw (21), and one ends of the two first lifting arm bodies (23) which are symmetrically arranged are fixedly connected with the outer wall of the first connecting sleeve (22).

6. The double-sided synchronous lifting mechanism of elevator upper beam safety gear according to claim 5, characterized in that: the second lifting arm (9) comprises a second fixing screw (91), a second connecting sleeve (92) and two second lifting arm bodies (93) which are symmetrically arranged, the second connecting sleeve (92) is sleeved on the second rotating shaft (8), the second connecting sleeve (92) is fixedly connected with the second rotating shaft (8) through the second fixing screw (91), one ends of the two second lifting arm bodies (93) which are symmetrically arranged are fixedly connected with the outer wall of the second connecting sleeve (92), and the first lifting arm body (23) and the second lifting arm body (93) are both located between the first U-shaped steel (11) and the second U-shaped steel (12).

7. The double-sided synchronous lifting mechanism of elevator upper beam safety gear according to claim 4, characterized in that: one end of the first connecting plate (6) is connected with one end of the lifting rod (4) through a key, one end of the second connecting plate (7) is connected with one end of the lifting rod (4) through a key, and the first connecting plate (6) and the second connecting plate (7) are respectively located on the upper side and the lower side of the lifting rod (4).

8. The double-sided synchronous lifting mechanism of the elevator upper beam safety gear according to claim 3, characterized in that: u shaped steel one (11) are equipped with mounting panel (111) on keeping away from the lateral wall of U shaped steel two (12), UKS switch (30) and mounting panel (111) fixed connection.

9. The double-sided synchronous lifting mechanism of elevator upper beam safety gear according to claim 8, characterized in that: the UKS push plate (20) is arranged in a fan shape, and a step (201) is arranged on the outer circumference of the UKS push plate (20) close to the UKS switch (30).

10. The double-sided synchronous lifting mechanism of elevator upper beam safety gear according to claim 8, characterized in that: one end of the swing arm (10) is connected with a third connecting sleeve (101), the third connecting sleeve (101) is sleeved on the end of the second rotating shaft (8), the third connecting sleeve (101) and the second rotating shaft (8) are fastened through screws, an adapter plate (102) is connected to the outer wall of the third connecting sleeve (101), and one end of the UKS push plate (20) is fixedly connected with the adapter plate (102) through a fastener.