CN210528196U

CN210528196U - Shallow pit elevator toe guard

Info

Publication number: CN210528196U
Application number: CN201921384642.0U
Authority: CN
Inventors: 罗海闽; 舒微熹; 赵珊珊
Original assignee: Yunnan Shenghua Elevator Co ltd
Current assignee: Yunnan Shenghua Elevator Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-15
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a shallow pit elevator toe guard, which comprises a fixed base plate, a toe guard and a telescopic supporting leg; when the elevator approaches to a pit gradually, the bottommost end of a balancing weight on the toe guard contacts the ground of the pit, and the ground exerts vertical upward jacking force on the balancing weight, so that the toe guard moves towards a horizontal guide groove in a transition way along a curved guide groove and is dragged to do contraction motion according to a set track through a sliding block until the elevator is on a flat layer; when the elevator is driven out from the ground at the bottommost layer, no pressure action is applied to the balancing weight, and the foot protection plate does stretching motion according to a set track under the action of the dead weight of the foot protection plate and through the horizontal guide groove. The utility model discloses simple structure, mechanism fault rate is little, and mechanical mechanism safe and reliable can realize the degree of depth pit of elevator.

Description

Shallow pit elevator toe guard

Technical Field

The utility model relates to an elevator technical field specifically is a shallow pit elevator toe guard.

Background

An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °. The size and the structural form of the car are convenient for passengers to access or load and unload goods. It is customary to use elevators as a generic term for vertical transport means in buildings, irrespective of their drive mode. According to the speed, the elevator can be divided into a low-speed elevator (less than 1 m/s), a high-speed elevator (1-2 m/s) and a high-speed elevator (more than 2 m/s). The elevator pit is located in the portion of the hoistway below the lowest landing served by the car. A buffer, an elevator stop switch, a hoistway light switch, a power socket and illumination are arranged in the elevator car; a pit door can be arranged as required; the pit should have enough space; the clearance distance between the pit bottom and the lowest part of the lift car is not less than 0.5 m; the clearance between the pit bottom and the guide shoe or the roller, the wedge block of the safety gear, the toe guard or the vertical sliding part is not less than 0.1 m. The bottom of the water-proof box is smooth and flat, and water cannot be accumulated. The structure of the buffer can bear the compressive strength of the counter force when the car or the counterweight collides with the buffer. However, the existing elevator toe guard has a complicated mechanical structure, is easy to break down and has low safety factor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shallow pit elevator toe guard to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a toe guard for a shallow pit elevator comprises a fixed base plate, toe guards and telescopic support legs; the fixed base plate is arranged at the bottom of the elevator car, and clamping side plates are arranged on two sides of the fixed base plate; horizontal guide grooves are formed in the inner sides of the clamping side plates on the two sides, a bent guide groove is formed in the front end of the horizontal guide groove, and a corresponding sliding block is installed on the bent guide groove; a fixed scroll is installed on the sliding block, an installation groove is formed in the lower end face of the fixed scroll, connection nodes are arranged at two ends of the installation groove, and foot protection plates are installed and connected on the connection nodes; the two end sides of the foot guard are clamped in the horizontal guide grooves, and the foot guard comprises a connecting joint plate and a clamping round shaft; the elastic connecting section is connected below the connecting joint plate, through holes are formed in two sides of the connecting joint plate, and connecting ropes are arranged on the through holes; the tail end of the connecting rope is connected to the next connecting joint plate, a plurality of connecting joint plates are sequentially connected to form a whole toe guard, and clamping round shafts corresponding to the horizontal guide grooves are arranged at two ends of each connecting joint plate; the bottom end of the foot protection plate is provided with a balancing weight, and the upper end surface of the balancing weight is provided with a telescopic supporting leg; the joint curb plate inboard is provided with the fixing base, and flexible stabilizer blade end-to-end connection is to the fixing base, and flexible stabilizer blade inboard keeps laminating with the toeguard medial surface all the time.

Preferably, horizontal guide slot is located joint curb plate upper end, crooked guide slot and horizontal guide slot smooth connection, and crooked guide slot is the same with horizontal guide slot notch size, and the sliding block size is also applicable to horizontal guide slot.

Preferably, the connecting joint plate is made of hard stainless steel materials, the balancing weight is of a cuboid structure, and the tail end of the balancing weight is flush with the connecting plane of the foot protection plate.

Preferably, the fixing seat is located below the bending guide groove, and the fixing seat and the balancing weight are located on the same vertical plane.

Preferably, the telescopic support leg comprises a fixed seat and a support leg rod, the fixed seat is provided with a mounting hole, a rotating shaft is mounted on the mounting hole, and the support leg rod is mounted on the rotating shaft; the tail end of the support leg rod is provided with a connecting hole, a rotating shaft is also installed on the connecting hole, the other support leg rod is installed on the rotating shaft, and a fixed seat is also installed at the tail end of the other support leg rod; the bottom side fixing base is installed on the balancing weight, and the upper end fixing base is installed on the fixing base.

Compared with the prior art, the beneficial effects of the utility model are that: when the elevator approaches to a pit gradually, the bottommost end of a balancing weight on the toe guard contacts the ground of the pit, and the ground exerts vertical upward jacking force on the balancing weight, so that the toe guard moves towards a horizontal guide groove in a transition way along a curved guide groove and is dragged to do contraction motion according to a set track through a sliding block until the elevator is on a flat layer; when the elevator is driven out from the ground at the bottommost layer, no pressure action is applied to the balancing weight, and the foot protection plate does stretching motion according to a set track under the action of the dead weight of the foot protection plate and through the horizontal guide groove. The utility model discloses simple structure, mechanism fault rate is little, and mechanical mechanism safe and reliable can realize the degree of depth pit of elevator.

Drawings

Fig. 1 is a schematic view of the overall side structure of the present invention;

fig. 2 is a schematic structural view of the toe guard of the present invention;

fig. 3 is a schematic view of the telescopic leg structure of the present invention.

In the figure: 1. fixing the substrate; 2. clamping the side plates; 3. a horizontal guide groove; 4. a curved guide groove; 5. a slider; 6. fixing the reel; 7. mounting grooves; 8. connecting the nodes; 9. a toe guard; 91. connecting the joint plates; 92. an elastic connection section; 93. a through hole; 94. connecting ropes; 95. clamping the round shaft; 10. a balancing weight; 11. a telescopic leg; 12. a sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a toe guard for a shallow pit elevator comprises a fixed base plate 1, a toe guard 9 and telescopic supporting legs 11; the fixed base plate 1 is arranged at the bottom of the elevator car, and clamping side plates 2 are arranged on two sides of the fixed base plate 1; horizontal guide grooves 3 are formed in the inner sides of the clamping side plates 2 on the two sides, a bent guide groove 4 is formed in the front end of each horizontal guide groove 3, and a corresponding sliding block 5 is installed on each bent guide groove 4; a fixed scroll 6 is installed on the sliding block 5, an installation groove 7 is formed in the lower end face of the fixed scroll 6, connecting nodes 8 are arranged at two ends of the installation groove 7, and foot protection plates 9 are installed and connected on the connecting nodes 8; the two end sides of the foot protection plate 9 are clamped in the horizontal guide groove 3, and the foot protection plate 9 comprises a connecting joint plate 91 and a clamping circular shaft 95; an elastic connecting section 92 is connected below the connecting joint plate 91, through holes 93 are formed in two sides of the connecting joint plate 91, and connecting ropes 94 are arranged on the through holes 93; the tail end of the connecting rope 94 is connected to the next connecting joint plate 91, a plurality of connecting joint plates 91 are sequentially connected to form a whole toe guard 9, and clamping circular shafts 95 corresponding to the horizontal guide grooves 3 are arranged at the two ends of the connecting joint plates 91; the bottom end of the foot protection plate 9 is provided with a balancing weight 10, and the upper end face of the balancing weight 10 is provided with a telescopic supporting leg 11; the inboard fixing base 12 that is provided with of joint curb plate, 11 end connections to fixing base 12 of flexible stabilizer blade, the inboard of flexible stabilizer blade 11 keeps laminating with toeguard 9 medial surface all the time.

Further, horizontal guide way 3 is located 2 upper ends of joint curb plate, and

crooked guide way

4 and 3 smooth connection of horizontal guide way, crooked guide way 4 is the same with 3 notch sizes in horizontal guide way, and 5 sizes on the sliding block are also applicable to horizontal guide way 3.

Further, the connecting joint plate 91 is made of hard stainless steel materials, the balancing weight 10 is of a cuboid structure, and the tail end of the balancing weight 10 is flush with the connecting plane of the foot guard plate 9.

Further, the fixing seat 12 is located below the curved guide groove 4, and the fixing seat 12 and the counterweight 10 are located on the same vertical plane.

Further, the telescopic supporting leg 11 comprises a fixed seat and a supporting leg rod, wherein the fixed seat is provided with a mounting hole, a rotating shaft is mounted on the mounting hole, and the supporting leg rod is mounted on the rotating shaft; the tail end of the support leg rod is provided with a connecting hole, a rotating shaft is also installed on the connecting hole, the other support leg rod is installed on the rotating shaft, and a fixed seat is also installed at the tail end of the other support leg rod; the bottom side fixing base is installed on balancing weight 10, and the upper end fixing base is installed on fixing base 12.

The working principle is as follows: the fixed base plate 1 is arranged at the bottom of the elevator car, and clamping side plates 2 are arranged on two sides of the fixed base plate 1; horizontal guide grooves 3 are formed in the inner sides of the clamping side plates 2 on the two sides, a bent guide groove 4 is formed in the front end of each horizontal guide groove 3, and a corresponding sliding block 5 is installed on each bent guide groove 4; a fixed scroll 6 is installed on the sliding block 5, an installation groove 7 is formed in the lower end face of the fixed scroll 6, connecting nodes 8 are arranged at two ends of the installation groove 7, and foot protection plates 9 are installed and connected on the connecting nodes 8; the bottom end of the foot protection plate 9 is provided with a balancing weight 10, and the upper end face of the balancing weight 10 is provided with a telescopic supporting leg 11; a fixed seat 12 is arranged on the inner side of the clamping side plate, and the tail end of the telescopic supporting leg 11 is connected to the fixed seat 12; when the elevator is gradually close to a pit, the bottommost end of a counterweight block 10 on the foot protection plate 9 is contacted with the ground of the pit, and the ground exerts vertical upward jacking force on the counterweight block, so that the foot protection plate 9 transits to move to a horizontal guide groove along a curved guide groove and does contraction motion according to a set track by traction of a sliding block until the elevator is flat; when the elevator is driven out from the ground at the bottommost layer, the counterweight block 10 has no pressure action, the toe guard 9 makes the toe guard 9 do stretching movement according to a set track under the action of the dead weight of the toe guard 9 and the horizontal guide groove 3, the inner sides of the telescopic support legs 11 are always attached to the inner side of the toe guard 9, and the positive acting force of the toe guard 9 is increased.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shallow pit elevator toe guard which characterized in that: comprises a fixed base plate (1), a foot protection plate (9) and a telescopic supporting leg (11); the fixed base plate (1) is arranged at the bottom of the elevator car, and clamping side plates (2) are arranged on two sides of the fixed base plate (1); horizontal guide grooves (3) are formed in the inner sides of the clamping side plates (2) on the two sides, a bent guide groove (4) is formed in the front end of each horizontal guide groove (3), and corresponding sliding blocks (5) are installed on the bent guide grooves (4); a fixed scroll (6) is installed on the sliding block (5), an installation groove (7) is formed in the lower end face of the fixed scroll (6), connection nodes (8) are arranged at two ends of the installation groove (7), and foot protection plates (9) are installed and connected on the connection nodes (8); the two end sides of the foot protection plate (9) are clamped in the horizontal guide groove (3), and the foot protection plate (9) comprises a connecting joint plate (91) and a clamping circular shaft (95); an elastic connecting section (92) is connected below the connecting joint plate (91), through holes (93) are formed in two sides of the connecting joint plate (91), and connecting ropes (94) are arranged on the through holes (93); the tail end of the connecting rope (94) is connected to the next connecting joint plate (91), a plurality of connecting joint plates (91) are sequentially connected to form a whole toe guard (9), and clamping circular shafts (95) corresponding to the horizontal guide grooves (3) are arranged at the two ends of the connecting joint plates (91); the bottom end of the foot protection plate (9) is provided with a balancing weight (10), and the upper end surface of the balancing weight (10) is provided with a telescopic supporting leg (11); the clamping side plate inner side is provided with a fixing seat (12), the tail end of a telescopic supporting leg (11) is connected to the fixing seat (12), and the inner side of the telescopic supporting leg (11) is always attached to the inner side face of the foot protection plate (9).

2. The shallow pit elevator toe guard of claim 1, characterized in that: horizontal guide way (3) are located joint curb plate (2) upper end, crooked guide way (4) and horizontal guide way (3) smooth connection, and crooked guide way (4) are the same with horizontal guide way (3) notch size, and sliding block (5) size also is applicable to horizontal guide way (3).

3. The shallow pit elevator toe guard of claim 1, characterized in that: the connecting joint plate (91) is made of hard stainless steel materials, the balancing weight (10) is of a cuboid structure, and the tail end of the balancing weight (10) is flush with the connecting plane of the toe guard (9).

4. The shallow pit elevator toe guard of claim 1, characterized in that: the fixing seat (12) is located below the bending guide groove (4), and the fixing seat (12) and the balancing weight (10) are located on the same vertical plane.

5. The shallow pit elevator toe guard of claim 1, characterized in that: the telescopic support leg (11) comprises a fixed seat and a support leg rod, wherein the fixed seat is provided with a mounting hole, a rotating shaft is mounted on the mounting hole, and the support leg rod is mounted on the rotating shaft; the tail end of the support leg rod is provided with a connecting hole, a rotating shaft is also installed on the connecting hole, the other support leg rod is installed on the rotating shaft, and a fixed seat is also installed at the tail end of the other support leg rod; the bottom side fixing seat is arranged on the balancing weight (10), and the upper end fixing seat is arranged on the fixing seat (12).