CN214527476U - Elevator stopping device and elevator comprising same - Google Patents

Abstract

The utility model discloses an elevator stopping device and an elevator comprising the same, wherein the elevator stopping device comprises a bottom plate component, a stand column, a buffer and an electrical switch, the stand column is arranged on the bottom plate component, and the relative bottom plate component can be overturned or lifted up and fall down; the buffer is arranged on the upright post, and the electric switch is arranged on the upright post, matched with the base and the bottom plate and used for sensing the state of the upright post; the electrical switch is connected with the elevator control system and inputs signals to the elevator control system. When the elevator stopping device is used in an elevator, the upright post is in a horizontal state; when the elevator overhauls, the stand is vertical state, restricts the descending height of car to guarantee interior operation personnel's of pit safety. Or when the elevator uses, the stand is vertical state, overhauls the top layer space, and the stand is in the horizontality to increase to heavy falling depth, thereby make the car increase a rise height in the headspace, conveniently overhaul the headspace.

Description

Elevator stopping device and elevator comprising same

Technical Field

The utility model relates to an elevator technical field, in particular to can realize that elevator pit degree of depth reduces by a wide margin or is used for conveniently overhauing elevator headspace's elevator and ends stop device and reach the elevator including the device.

Background

The conventional elevator at present needs to occupy a certain building space, and needs a machine room and a pit besides a shaft necessary for elevator operation, generally speaking, for the safe operation, installation operation, maintenance operation, operation space guarantee and danger avoidance space of the elevator, the pit needs to have a certain depth, and thus corresponding civil engineering construction and material investment are needed.

For installing the elevator additionally, the shaft needs to be built separately, if underground pipelines are arranged in a certain depth under the excavation range of the shaft pit, and the depth of the elevator pit is required to be deeper, the underground pipelines need to be changed or other equivalent measures need to be taken, so that the engineering cost is increased and the construction period is prolonged. If the position below the shaft is not suitable for deep digging, the elevator cannot be configured.

Therefore, how to efficiently utilize the building space, especially how to reduce the excavation depth of a pit by additionally installing an elevator, reduce the change of underground pipelines and reduce the influence on the original building foundation is an urgent problem to be solved at present.

In addition, for the elevator without a machine room, the height of a top floor space is higher than that of a conventional elevator, and a large number of elevator components such as a traction machine and a speed limiter are installed in the top floor space, so that the elevator is inconvenient to overhaul and maintain and has large workload. The maintenance of the top floor space of the elevator is to move the car to a proper position of the top floor and fix the car, then stand on the car top to maintain the elevator components in the top floor space, and when the top floor height of the elevator is higher, even if the related limit and limit setting of the car operation are bypassed by an electric means, the elevator can not be lifted and continuously moves upwards due to the fact that the counterweight of the elevator can touch the buffer in the pit, and the elevator components for maintaining the top floor space are quite difficult to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model discloses one of the technical problem that will solve lies in to the configuration elevator need dig the above-mentioned problem that brings of darker pit, and then provides a shallow pit elevator's elevator and ends stop device, and it installs car below in the pit, can overturn when the elevator uses, can stick up when the elevator overhauls. The method and the device can greatly reduce the depth of the pit with the elevator while meeting the requirements of related elevator regulations, and reduce the excavation amount of the elevator pit and the influence on underground pipelines and building foundations. The economic benefit is remarkable.

The utility model discloses two technical problems that solve lie in when higher to the elevator top layer, the elevator part in the top layer space overhauls the inconvenience that exists and provide one kind and install in the pit to heavy below, can adjust and adjust the car in elevator top space position to the heavy descending depth of the weight to the elevator stop device that the elevator part in the elevator top space overhauld is carried out to the convenience.

The third technical problem to be solved in the present invention is to provide an elevator comprising the above-mentioned elevator stopping device.

The utility model discloses the technical problem that will solve can realize through following technical scheme:

an elevator stop device structure comprising:

a base plate;

a base fixedly mounted on the base plate;

the lower part of the upright post is hinged on the base and overturns relative to the base; the upright column has a vertical state and a horizontal state; a bumper mounted on the upright;

the electric switch is arranged at the lower part of the upright post, is matched with the base and the bottom plate and is used for sensing the state of the upright post; the electrical switch is connected with an elevator control system and inputs signals to the elevator control system.

In a preferred embodiment of the present invention, the two electrical switches are respectively installed on two sides of the lower portion of the pillar, the first electrical switch is used for sensing whether the pillar is in a vertical state, and the second electrical switch is used for sensing whether the pillar is in a horizontal state.

In a preferred embodiment of the present invention, a switch touch panel is installed on the base, and when the upright is in the vertical state, the switch touch panel triggers a first electrical switch to operate.

The utility model discloses a preferred embodiment, two electrical switch are installed through corresponding switch mounting panel on the stand, two switch mounting panels through rational design, the mounted position is adjustable, convenient adjustment the position of electrical switch is so that the monitoring of more accurate sensitivity the state of stand.

In a preferred embodiment of the present invention, the second switch mounting plate also provides stroke protection, preventing the second electrical switch from being damaged due to excessive compression when the column is in a horizontal state.

In a preferred embodiment of the present invention, a long circular hole is formed in the lower portion of the column and transversely penetrates through the column, after a mandrel is passed through the long circular hole in the lower portion of the column, the mandrel is disposed on the base, the central portion of the mandrel is passed through the column, the column can lift up a proper distance along the direction of the long circular hole, and the column can rotate freely around the mandrel relative to the base.

In a preferred embodiment of the present invention, a wedge-shaped stop plate or a stop shaft is installed on the base, a stop groove is opened at the bottom of the upright, when the upright is in the vertical state, the wedge-shaped stop plate is wedged into the stop groove or the stop shaft is embedded into the stop groove, and the upright is stopped, so that the upright is not toppled in the standing state.

In a preferred embodiment of the present invention, the stopper groove has an inverted V shape or an inverted U shape.

The elevator of the utility model comprises the elevator stopping device, the elevator stopping device is arranged below the car in the pit of the elevator, and when the elevator is used, the upright post is in a horizontal state; when the elevator overhauls, the stand is vertical state, and is right the car descending height of elevator limits to guarantee operating personnel's safety in the pit.

The utility model discloses an elevator, include elevator stop device, elevator stop device installs in the pit of elevator to heavy below, when the elevator uses, the stand is vertical state, and is right when the elevator part in the top layer space of elevator overhauls, the stand is in the horizontality, in order to increase the heavy descending depth of elevator, thereby makes the car of elevator is in increase an ascension in the top space of elevator, it is right with the convenience elevator part in the top space of elevator overhauls.

Due to the adoption of the technical scheme, the utility model has the advantages that 1, the relevant regulations of the elevator are met, and the depth of the pit of the elevator can be greatly reduced; 2. the state of the upright post is monitored in real time, so that automatic electrical control is realized. 3. When the elevator car is installed below the car in the pit, two layers of safety guarantee are provided for the space of the elevator pit. Firstly, in electrical control, after an elevator control system receives a stand column standing signal transmitted by an electrical switch, the normal operation of an elevator is stopped, and the lowest point of the downward movement of an elevator car which is operated by manual operation of a professional is limited; secondly, when the electrical control fails, the elevator car which continues to descend is mechanically stopped by the stopping device structure. 4. The utility model discloses economic effect is showing, reduces the excavation volume of heatable brick bed at the bottom of the elevator, reduces the influence to pipeline, reduces the influence to the building ground. 5. The utility model discloses an elevator stops device and installs when heavily laying the below in the pit, when stopping the device stand and being in the state of lying, lets to continue down to heavily can, and the car alright continues to go upward, can solve the inconvenient problem of maintenance when the elevator top is higher.

Drawings

Fig. 1 is a schematic view of the stop device structure of the shallow pit elevator of embodiment 1 of the present invention in a vertical state when the column is turned up.

Fig. 2 is a schematic view of an elevator stopping device in accordance with embodiment 1 of the present invention in a state where a column is horizontally laid.

Fig. 3 is an exploded schematic view of an embodiment 1 of the elevator stopping device structure of the present invention.

Fig. 4 is a schematic diagram of an elevator stopping device according to embodiment 1 of the present invention, in which the second electrical switch is in a triggered state by the reaction force of the bottom plate when the column is in a horizontal state.

Fig. 5 is a schematic diagram of an elevator stopping device according to embodiment 1 of the present invention, in which the first electrical switch is triggered by the switch touch panel to be in an active state when the column is turned up to be in a vertical state.

Fig. 6a to 6d are schematic views illustrating a process of turning a column from a horizontal state to a vertical state and dropping to a desired position in an elevator stopping device structure embodiment 1 according to the present invention.

Fig. 7 is a schematic view of the structure of an elevator stopping device of embodiment 2 of the present invention in a state where the column is turned up in a vertical state.

Fig. 8 is a schematic view of an elevator stopping device according to embodiment 2 of the present invention in a state where the column is horizontally laid.

Fig. 9 is an exploded schematic view of an elevator stopping device according to embodiment 2 of the present invention.

Fig. 10 is a schematic view showing an elevator stopping device according to embodiment 2 of the present invention, in which the second electrical switch is in a triggered state by a reaction force of the bottom plate when the column is in a horizontal state.

Fig. 11 is a schematic diagram of an elevator stop device according to embodiment 2 of the present invention, in which the first electrical switch is triggered by the switch touch panel to be in an active state when the column is turned up to be in a vertical state.

Fig. 12a to 12d are schematic diagrams illustrating a process of turning a column from a horizontal state to a vertical state and dropping into place in an elevator stopping device structure embodiment 2 according to the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings and the detailed description.

The following examples 1 and 2 are mainly used for shallow pit elevators.

Example 1

Referring to fig. 1 to 5, there is shown an elevator stopping device including a base plate 10, the base plate 10 being adapted to mount the entire stopping device in an elevator pit by means of an anchor, bolts, welding, etc.

A base 20 is arranged on the bottom plate 10, and the base 20 is mainly composed of two side plates which are parallel to each other and perpendicular to the bottom plate 10 and two front and rear baffle plates. The spindles 30 passing through the uprights 40 are fixed to the side plates 22, 23.

The column 40 is a pipe with a square or round cross section, and can also be a thin-wall piece formed by bending three sides or a rod piece made of other section materials.

An oblong hole 41 penetrating the column 40 is provided at the lower part of the column 40, and the spindle 30 is inserted through the oblong hole 41, so that the column 40 is mounted between the side plates 22, 23 in the base 20. So that the mounted upright 40 can be lifted a suitable distance between the two side plates 22, 23 and automatically rotated about the spindle 30.

When the elevator is in normal operation, the upright post 40 is in a horizontal state; when the elevator is overhauled and maintained, the upright post 40 is in a vertical state so as to protect the safety of operating personnel in the pit.

A buffer 90 is installed on the top of the upright post 40, and can be a spring type, a rubber type, a polyester type, a hydraulic type and other buffering articles.

In order to make the upright post 40 standing in place more stable and not sway, the front and rear sides of the side plates 22, 23 in the base 20 are provided with baffle plates 21, and the two baffle plates 21 and the two side plates 22, 23 enclose a space into which the upright post 40 can be inserted. Of course, the base 20 can also be directly machined from rectangular hollow steel tubing. The upright 40 is erected and dropped into position, which is equivalent to being nested by the base 20 of rectangular configuration, making the upright 40 more stable.

In order to ensure that the upright post 40 can accurately fall into a sleeve of the base 20 when the upright post 40 falls into place vertically, the lower end of the upright post 40 is provided with an inverted V-shaped stop groove 42 and a wedge-shaped stop plate 50 is arranged on the bottom plate 10, when the upright post 40 falls into place vertically, the wedge-shaped stop plate 50 is clamped into the inverted V-shaped stop groove 42, the centering effect of the upright post 40 when falling is achieved, the shaking problem caused by the gap between the base 20 and the upright post 40 is overcome, and the stability of the upright post 40 is enhanced.

By reasonably designing the length of the long round hole 41 on the upright post 40, the upright post 40 can fall into place when falling into the base 20, and can be fully separated from the base 20 when being lifted upwards, and the upright post does not touch the wedge-shaped stop plate 50 and the front and rear baffle plates 21 in the base 20 when being converted into a flat lying process.

In order to sense the state of the upright post 40, the utility model adopts two electrical switches which are arranged at the lower part of the upright post 40 and are matched with the base 20 for sensing the state of the upright post 40; the two electrical switches are connected to the elevator control system and input signals to the elevator control system.

The two electrical switches are divided into a first electrical switch 60 and a second electrical switch 70, and the first electrical switch 60 and the second electrical switch 70 are respectively fixed on both sides of the lower portion of the column 40 by adjustable mounting plates.

The first electrical switch 60 is used for sensing whether the upright post 40 is in the upright state, and the second electrical switch 70 is used for sensing whether the upright post 40 is in the horizontal state.

The second switch mounting plate 71 also provides over-travel protection to prevent damage to the second electrical switch 70 due to excessive pressure when the column 40 is horizontal.

In order to activate the first electrical switch 60, a switch contact 80 is mounted on the side wall 22 of the base 20, and when the upright post 40 is in the upright position, the switch contact 80 activates the first electrical switch 60.

With combined reference to fig. 6a to 6d, the working principle of the stop device structure of the shallow pit elevator of the present invention is described below:

the lying state is as follows: when the elevator normally runs, the upright post 40 is in the lying state, as shown in fig. 2, fig. 4 and fig. 6a, and when the elevator lies, the stopping device structure of the shallow pit elevator of the present invention is in the reset state, which is the non-working state. In this state, the first electrical switch 60 is reset, the second electrical switch 70 is triggered by the base plate 10, and a position monitoring signal is output to the elevator control system as a necessary condition for resetting the elevator.

The upright state: when having personnel in the elevator pit when the operation, earlier manual mention stand 40 and rotate and insert base 20 for upright back, as shown in fig. 1, fig. 6 and fig. 6d, the state of standing upright does the utility model discloses a shallow pit elevator stop device structure's action state is operating condition. In this state, the second electrical switch 70 is reset, the first electrical switch 60 is triggered by the switch touch plate 80 to be turned on, a signal is transmitted to the elevator control system, the elevator control system stops the normal operation of the elevator and limits the lowest point of the downward movement of the elevator car which is operated by the manual operation of a professional, so as to ensure the safety of the operating personnel in the pit.

Referring to fig. 6b and 6c, both electrical switches 60, 70 are in a reset state between the lying and upright positions, during lifting and rotation of the mast 40 and before the mast 40 is rotated 90 ° ready to fall into the seat.

When the service personnel is finished, the column 40 is lifted and rotated manually to be laid on the pit floor, as shown in fig. 2, 4 and 6 a. The second electrical switch 70 is triggered by the base plate 10 and the first electrical switch 60 is reset, a signal is passed to the elevator control system as a necessary condition for elevator reset.

The utility model discloses a height that highly is less than the state of standing is far less than of 40 flat states of lying of stand among shallow pit elevator's the stop device structure, has reduced the requirement of shallow pit elevator to the pit degree of depth by a wide margin.

The utility model discloses a shallow pit elevator stop device structure provides two-stage safety guarantee for elevator pit space. Firstly, the method comprises the following steps: the elevator control system stops the normal operation of the elevator and limits the lowest point of the downward movement of the elevator car which is operated by the manual operation of a professional; II, secondly: mechanical safety protection, when electrical safety protection became invalid, continuation descending car can be by the utility model discloses a stop the device and make and stop to ensure the safety in pit space.

Example 2

The elevator stopping device of this embodiment is different from embodiment 1 in that: the structure of the base is different, the base of the embodiment 2 is composed of two L-shaped plates, the stop groove forms at the lower end of the upright post 40 are different, the opening of the stop groove is V-shaped, the groove bottom is U-shaped, and the whole base is inverted U-shaped; also, the stopper shaft 50a is substituted for the wedge-shaped stopper plate 50 in embodiment 1.

The base 20a of this embodiment 1 is composed of two L-shaped plates 24, 25, the two L-shaped plates 24, 25 are mounted on the base plate 10, the pillar 40 is mounted between the side plates of the two L-shaped plates 24, 25 by the mandrel 30, and the stopper shaft 50a is also fixed between the side plates of the two L-shaped plates 24, 25.

The switch contact plate 80 is fixed to the side plate of the L-shaped plate 24.

After the column 40 is lifted up by a suitable distance to disengage the stopper groove 42c at the lower end of the column 40 from the stopper shaft 50a, the column 40 can be turned around the spindle 30 to a horizontal state, which is a state of returning the stopping device, as a necessary condition for returning the elevator.

When it is desired to erect the post 40, the post 40 is raised and rotated about the spindle 30 to turn the post perpendicular to the base plate 10, and then the post 40 is slowly lowered to cause the detent groove 42c of the post 40 to catch on the detent shaft 50a, thereby completing erection of the post 40. The standing state is an operation state of the stopping device.

In addition, the above embodiments 1 and 2 can also be used to solve the problem of inconvenient maintenance when the top of the elevator is high. When the utility model discloses an embodiment 1 and 2 install in the elevator to heavy below be used for solving the inconvenient problem of maintenance when the elevator top is higher, and concrete implementation method is: when the elevator normally runs, the upright post 40 of the elevator stopping device arranged below the counterweight is in a vertical state, and the first electrical switch 60 outputs a monitored vertical state signal of the upright post 40 to be transmitted to an elevator control system as one of necessary conditions for the normal running of the elevator; when the top floor space of the elevator needs to be overhauled, the vertical column 40 of the elevator stopping device below the counterweight is changed into a horizontal state from a vertical state, the counterweight can move downwards to a lower position than usual, and meanwhile, the car can move upwards to a higher position. According to actual need, rationally calculate the length of elevator stop device's stand, alright go upward to required high position in order to make the car when overhauing the state, very big make things convenient for the maintenance work of headspace.

Claims (10)

1. An elevator stop device, comprising:

a base plate;

a base fixedly mounted on the base plate;

the lower part of the upright post is arranged on the base through a mandrel and can be turned over relative to the base;

a bumper mounted on the upright;

the electric switch is arranged on the upright column, matched with the base and the bottom plate and used for sensing the state of the upright column; the electrical switch is connected with an elevator control system and inputs signals to the elevator control system.

2. The elevator stopping device as defined in claim 1, wherein said two electrical switches are respectively installed on both sides of said shaft, the first electrical switch is used to sense whether said shaft is in a vertical state, and the second electrical switch is used to sense whether said shaft is in a horizontal state.

3. The elevator stop device according to claim 2, wherein a switch contact plate is mounted on a side of said base corresponding to said first electrical switch, said switch contact plate activating said first electrical switch when said column is in an upright position.

4. The elevator stopping device of claim 3, wherein said first electrical switch is mounted on one side of said mast by a first switch mounting plate and said second electrical switch is mounted on the other side of said mast by a second switch mounting plate; the two electric switches can be subjected to position adjustment through the matched switch mounting plates, so that the state of the upright post can be accurately monitored.

5. The elevator stopping device structure according to claim 4, wherein said second switch mounting plate also serves as an over-travel protection to prevent damage to said second electrical switch by over-stressing it when said column is horizontal.

6. An elevator stopping device as defined in claim 5, wherein said base is hollow to nest a vertical column standing upright and falling into position, enhancing the stability of the column.

7. An elevator stopping device as defined in claim 1, wherein said post is provided with an elongated hole extending transversely through said post, said mandrel is mounted to said base after passing through said elongated hole, and the elongated hole is of a suitable length to allow said post to be lifted upwardly relative to said base and said base to disengage said stop plate or stop shaft and said front and rear stops on said base to facilitate rotation of said post about said mandrel.

8. The elevator stopping device according to any one of claims 1 to 7, wherein a wedge-shaped stopping plate or a stopping shaft is mounted on the base, a stopping groove is formed in the bottom of the pillar, and the wedge-shaped stopping plate is wedged into the stopping groove or the stopping shaft is embedded into the stopping groove to limit and stop the pillar in a vertical state of the pillar.

9. An elevator comprising an elevator stopping device according to any one of claims 1 to 8, characterized in that the elevator stopping device is installed in the pit of the elevator, and the mast is horizontal when the elevator is in use; when the elevator overhauls, the stand is vertical state, and is right the car descending height of elevator limits to guarantee operating personnel's safety in the pit.

10. An elevator comprising the elevator stopping device of any one of claims 1 to 8, characterized in that the elevator stopping device is installed in the pit of the elevator, the column is in a vertical state when the elevator is in use, and when the elevator components in the top floor space of the elevator are overhauled, the column is in a horizontal state to increase the counterweight descending depth of the elevator, so that the car of the elevator increases a rising height in the top floor space of the elevator to facilitate the overhaul of the elevator components in the top floor space of the elevator.

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