CN220245181U - Movable stopping device in shallow pit - Google Patents

Abstract

The utility model provides a movable stopping device in a shallow pit, which is integrally fixed in a space of the shallow pit and mainly comprises a foundation fixing part, a rotating support column part, a normally closed switch and a normally open switch, wherein the foundation fixing part is reliably fixed on a foundation surface of the shallow pit, the rotating support column part is rotatably connected to the foundation fixing part, the rotating support column part at least has two use states including a lying state and an upright state, the rotating support column part is contacted and communicated with the normally closed switch in the lying state, the elevator is in a normal working mode, the rotating support column part is contacted and communicated with the normally open switch in the upright state, and the elevator is in a maintenance mode. The stopping device can be switched between two states, and different switches are triggered, so that different working states of the elevator are realized, and the gesture safety of the elevator is controlled.

Description

Movable stopping device in shallow pit

Technical Field

The utility model relates to a safety device of an elevator well pit, in particular to a movable stopping device in a shallow pit.

Background

The pit of an elevator is a bottom building structure of an elevator shaft, is lower than the lowest floor where the elevator can stop, overhauling personnel can enter the pit through a passage or climb downwards and can maintain and check the bottom structure of a car, but after all, the car works below the car of the elevator, is a main working structure of the elevator and has a natural downward movement trend, so that a safety device is required to be arranged in the pit for improving the safety, the danger to personnel caused by abnormal falling of the car is avoided, the space of the pit is smaller, and if the conventional pit safety device is adopted, the problem of space discomfort exists, so that a stopping device which does not influence the normal operation of the elevator is required.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a movable stopping device in a shallow pit.

The utility model solves the problems by adopting the following technical scheme: the stopping device is integrally fixed in the space of the shallow pit and mainly comprises a foundation fixing part, a rotating support column part, a normally closed switch and a normally open switch, wherein the foundation fixing part is reliably fixed on the foundation surface of the shallow pit, the rotating support column part is rotatably connected to the foundation fixing part, the rotating support column part at least has two use states, including a lying state and an upright state, the rotating support column part is contacted and communicated with the normally closed switch in the lying state, the elevator is in a normal working mode, the rotating support column part is contacted and communicated with the normally open switch in the upright state, and the elevator is in a maintenance mode. The stopping device can be switched between two states and triggers different switches to realize different working states of the elevator, after the normally closed switch is switched on, the elevator works in a conventional working mode, the stopping device is in a storage state and does not influence the operation of the elevator, after the normally closed switch is switched off, the elevator is in a protection state, the traction machine is in a self-locking state, the rotating support column part can trigger the normally open switch after being in an upright state, the rotating support column part is used as a physical space supporting structure, a safety space is supported in a pit, and after the normally open switch is triggered, a maintenance mode loop is switched on, the anti-falling safety device of the elevator takes effect, and the gesture safety of the elevator is controlled.

Further, the foundation fixing part is provided with a foundation plate which is fixedly contacted with the foundation surface of the well, the foundation plate is provided with a tail end supporting frame and a side supporting frame, the tail end supporting frame is adjacent to the position connected with the rotating supporting frame part, a normally open switch is fixedly installed on the tail end supporting frame, the side supporting frame is arranged on the side of the lying position of the rotating supporting frame part, and a normally closed switch is fixedly installed on the side supporting frame. The basic fixing part is used for installing the main structure of the stopping device, ensures that the safety position of the main structure is relatively fixed and reliable, and is beneficial to realizing the design purpose.

Further, the whole rotary pillar part is a rigid pillar structure, one end of the rotary pillar part is used as a rotary connecting end to be rotationally connected with the foundation fixing part, the other end of the rotary pillar part is provided with a buffer cushion and works as a space supporting structure in an upright state, a locking structure is further arranged between the rotary pillar part and the foundation fixing part, and the locking structure locks the lying state and the upright state of the rotary pillar part respectively. The rotating leg portion is rotatably disposed and a cushion pad is disposed at its upstanding top end to absorb the downward pressure of the elevator car.

Further, the locking structure is provided with two groups of opposite through holes in a lying state and an upright state respectively, and a fixing bolt for fixing the opposite through holes, wherein the fixing bolt penetrates through the opposite through holes in different states and fixes the lying state or the upright state. The locking structure adopts an independent reliable structure, and the aim of safety can be effectively realized.

Further, the switch trigger plate is installed to the rotation pillar part, and the position that the switch trigger plate corresponds normally closed switch and normally open switch respectively corresponds the setting, and the switch trigger plate all has the relative bellied part and normally closed switch or normally open switch trigger structure looks structure, and bellied edge has the direction hypotenuse, and the switch trigger plate that triggers normally closed switch still has the side direction connecting plate for the rotation pillar part is connected to the side direction. The switch trigger plate has certain ejection distance, can form the complete trigger with normally closed switch and normally open switch's switch, avoids the switch not in place, appears the unusual problem of return circuit switch-on, and the effect of direction hypotenuse is realized the smooth transition of contact surface, avoids the structure to interfere.

Further, a cushion pad is fixed to an upper surface of the rotating pillar portion in a lying state. The protective function is also provided when lying flat, so that accidental damage of the stopping device is avoided.

Compared with the prior art, the utility model has the following advantages and effects: the design is a stop device applied to a shallow pit, is mainly used for a safety device in the elevator maintenance working condition, has two working states, is in a lying and folding state, does not influence normal operation, has the function of supporting a safety space when in an upright supporting state, has good structural advantages, is safe and reliable in structure, can adapt to the installation of various elevator forms, and has good technical application prospect.

Drawings

Fig. 1 is a schematic view of the structure of the standing state of the stop device.

Fig. 2 is a schematic view of the structure in another direction of the standing state of the stop device.

Fig. 3 is a schematic view of the structure of the stop device in a lying state.

In the figure: 1. the base fixing part, 2, the rotating pillar part, 3, the normally closed switch, 4, the normally open switch, 5, the base plate, 6, the terminal support frame, 7, the side support frame, 8, the blotter, 9, the locking structure, 10, the switch trigger plate.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

A movable stop device in a shallow pit is wholly fixed in the space of the shallow pit, and is characterized in that: the elevator mainly comprises a foundation fixing part 1, a rotating support part 2, a normally closed switch 3 and a normally open switch 4, wherein the foundation fixing part 1 is reliably fixed on a foundation surface of a shallow pit, the rotating support part 2 is rotatably connected to the foundation fixing part 1, the rotating support part 2 at least has two use states, including a lying state and an upright state, the rotating support part 2 is contacted and communicated with the normally closed switch 3 in the lying state, the elevator is in a normal working mode, the rotating support part 2 is contacted and communicated with the normally open switch 4 in the upright state, and the elevator is in a maintenance mode.

The foundation fixing part 1 is provided with a foundation plate 5 which is fixedly contacted with the foundation surface of a well, the foundation plate 5 is provided with a tail end supporting frame 6 and a side supporting frame 7, the tail end supporting frame 6 is arranged close to the position connected with the rotating supporting frame part 2, the normally open switch 4 is fixedly installed on the tail end supporting frame 6, the side supporting frame 7 is arranged on the side of the lying position of the rotating supporting frame part 2, and the normally closed switch 3 is fixedly installed on the side supporting frame 7.

The whole rotary pillar part 2 is a rigid pillar structure, one end of the rotary pillar part is used as a rotary connecting end to be rotationally connected with the base fixing part 1, the other end of the rotary pillar part is provided with a buffer cushion 8 and works as a space supporting structure in an upright state, a locking structure 9 is arranged between the rotary pillar part 2 and the base fixing part 1, and the locking structure 9 locks the lying state and the upright state of the rotary pillar part 2 respectively.

The locking structure 9 is provided with two groups of opposite through holes in a lying state and an upright state respectively, and a fixing bolt for fixing the opposite through holes, wherein the fixing bolt penetrates through the opposite through holes in different states and fixes the lying state or the upright state.

The rotary support column part 2 is provided with a switch trigger plate 10, the switch trigger plates 10 are respectively arranged corresponding to the positions of the normally closed switch 3 and the normally open switch 4, the switch trigger plates 10 are provided with a structure which is opposite to the protruding part and is opposite to the trigger structure of the normally closed switch 3 or the normally open switch 4, the protruding edge is provided with a guiding bevel edge, and the switch trigger plates 10 for triggering the normally closed switch 3 are also provided with lateral connecting plates for laterally connecting the rotary support column part 2.

The upper surface of the rotating leg portion 2 in the lying state is fixed with a cushion pad 8.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments and that the present utility model may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore desired that the present utility model be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to specific embodiments, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. A movable stop device in a shallow pit is wholly fixed in the space of the shallow pit, and is characterized in that: the elevator mainly comprises a foundation fixing part (1), a rotating support column part (2), a normally closed switch (3) and a normally open switch (4), wherein the foundation fixing part (1) is reliably fixed on a foundation surface of a shallow pit, the rotating support column part (2) is rotatably connected to the foundation fixing part (1), the rotating support column part (2) at least has two use states, including a lying state and an upright state, the rotating support column part (2) is in contact with the normally closed switch (3) and is communicated when in the lying state, the elevator is in a normal working mode, the rotating support column part (2) is in contact with and is communicated with the normally open switch (4) when in the upright state, and the elevator is in a maintenance mode.

2. The movable stop in shallow pit according to claim 1, wherein: the foundation fixing part (1) is provided with a foundation plate (5) which is fixedly contacted with the foundation surface of a hoistway, the foundation plate (5) is provided with a tail end supporting frame (6) and a side supporting frame (7), the tail end supporting frame (6) is arranged close to the position connected with the rotating supporting frame part (2), the normally open switch (4) is fixedly installed on the tail end supporting frame (6), the side supporting frame (7) is arranged on the side of the lying position of the rotating supporting frame part (2), and the normally closed switch (3) is fixedly installed on the side supporting frame (7).

3. The movable stop in shallow pit according to claim 1, wherein: the whole of the rotary support column part (2) is of a rigid column structure, one end of the rotary support column part is used as a rotary connecting end to be rotationally connected with the foundation fixing part (1), the other end of the rotary support column part is provided with a buffer cushion (8) and works as a space supporting structure in an upright state, a locking structure (9) is further arranged between the rotary support column part (2) and the foundation fixing part (1), and the locking structure (9) is used for locking the lying state and the upright state of the rotary support column part (2) respectively.

4. A movable stop in a shallow pit according to claim 3, wherein: the locking structure (9) is provided with two groups of opposite through holes in a lying state and an upright state respectively, and a fixing bolt for fixing the opposite through holes, wherein the fixing bolt penetrates through the opposite through holes in different states and fixes the lying state or the upright state.

5. A movable stop in a shallow pit according to claim 3, wherein: the rotary support column part (2) is provided with a switch trigger plate (10), the switch trigger plate (10) is respectively corresponding to the positions of the normally closed switch (3) and the normally open switch (4), the switch trigger plate (10) is provided with a structure which is opposite to the protruding part and is opposite to the trigger structure of the normally closed switch (3) or the normally open switch (4), the protruding edge is provided with a guide bevel edge, and the switch trigger plate (10) for triggering the normally closed switch (3) is also provided with a lateral connecting plate for laterally connecting the rotary support column part (2).

6. A movable stop in a shallow pit according to claim 3, wherein: the upper surface of the rotary pillar part (2) in the lying state is fixed with a cushion pad (8).