Simple mechanical stopping device for pit

Abstract

The utility model provides a pit simple mechanical stopping device which comprises a fixed base, a stopping frame and a contact switch, a guide rail fixing structure and a stopping installation structure are formed on the fixed base, the guide rail fixing structure is fixed on the rear portion of a guide rail, and the stopping installation structure is located on one side of the guide rail fixing structure. The stopping frame is fixed on the stopping mounting structure, the stopping frame is provided with a working position and a storage position, a contact switch is arranged at the bottom of the stopping frame, when the stopping frame is in the working position, the contact switch is triggered, and the contact switch is disconnected with an elevator safety circuit. The fixed base is directly installed on the rear portion of the guide rail, the stopping frame is installed at the position close to the fixed base, the size of the stopping device is effectively reduced, the stopping device can be installed in the limited space of the side edge of the guide rail, and the stopping frame has two states, can be switched according to needs and can be matched with a contact switch to synchronously achieve a safety circuit of an elevator. And continuous braking of the elevator is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a safety device improvement of elevator, concretely is a pit simple mechanical stopping device. BACKGROUND

[0002] The pit is the bottom of the elevator shaft, usually below the lowest floor where the elevator can run, the bottom of the car can be checked in the pit, and the safety device in the pit can be checked, so when entering the pit, the safety device of the elevator car needs to be opened to prevent the car from sliding and to ensure the safety of personnel entering the pit. The existing safety device has a stopping device installed on the ground of the pit, which needs to be opened after entering the pit and needs to use the floor space of the pit. The overall size is large and not suitable for use in compact elevator shafts. There is also a stopping device fixed on the guide rail, but this type of stopping device needs to occupy a large space behind and on the side of the guide rail, and needs a large free space near the guide rail. Therefore, the stopping device needs to be improved. SUMMARY

[0003] The utility model aims at overcoming the above-mentioned deficiencies in the prior art and providing a pit simple mechanical stopping device.

[0004] The utility model solves the above-mentioned technical scheme: the mechanical stopping device includes fixed base, stopping frame and contact switch, the fixed base is shaped with guide rail fixing structure and stopping installation structure, the guide rail fixing structure is fixed at the rear of the guide rail, the stopping installation structure is located on one side of the guide rail fixing structure, the stopping frame is fixed on the stopping installation structure, the stopping frame has a working position and a storage position, a contact switch is provided at the bottom of the stopping frame, the stopping frame triggers the contact switch when it is in the working position, and the contact switch is disconnected from the elevator safety circuit. The fixed base is directly installed at the rear of the guide rail, and the stopping frame is installed at the adjacent position, effectively reducing the volume of the stopping device, which can be installed in the limited space on the side of the guide rail. The stopping frame has two states and can be switched as needed. The contact switch can synchronize the safety circuit of the elevator and realize the continuous effect of the brake of the elevator.

[0005] Further, the fixed base includes a fixed straight plate, which is fixed at the rear of the guide rail, and the fixed straight plate is fixedly connected with the guide rail through a guide rail fixing piece. The fixed straight plate extends to one side of the guide rail, and a stopping installation structure is fixedly arranged at the end of the fixed straight plate. The thickness of the fixed straight plate is relatively small, which can be directly connected at the rear of the guide rail. The fixed position of the fixed straight plate is reliable, and the corresponding length can be set as needed. The fixed straight plate can directly block the main structure of the car and prevent the car from sliding.

[0006] Further, the preventing installation structure comprises a fixed vertical plate, a fixed socket is arranged on the fixed vertical plate, a corresponding fixed plug is formed at the end of the fixed straight plate, the fixed socket and the fixed plug are arranged in butt joint, a screw fixing hole is further formed at the center of the butt joint socket, a fixing bolt is connected in the screw fixing hole, and the fixing bolt penetrates and connects the fixed vertical plate and the fixed straight plate. The fixed vertical plate and the fixed straight plate are connected in plug-in connection and are connected and fixed through screwing, and good fixed connection effect is achieved.

[0007] Further, the fixing bolt serves as a central shaft of the preventing frame, the preventing frame comprises a blocking body, the blocking body is a long strip-shaped rigid structure, one end of the blocking body is rotatably connected to the fixing bolt, the blocking body is in a working position when being in a horizontal position, and the blocking body is in a storage position when being in a vertical position, a horizontal supporting body is arranged at the front side of the blocking body in a transverse position, the horizontal supporting body supports and supports the blocking body in the working position, and a locking pin is arranged at the upper portion of the blocking body and locks the blocking body in the storage position. The fixing bolt can serve as a central shaft structure of adjustment rotation, the blocking body can be based on this, and both states of the blocking body have fixed structures, and the working state can be effectively maintained.

[0008] Further, the contact switch is mounted at the lower portion of the fixing bolt, the distance from the tail end of the blocking body to the fixing bolt is smaller than the distance from the side edge of the blocking body to the fixing bolt, and the edge of the blocking body is formed in a circular arc transition structure. The contact switch can act according to the position of the blocking body, and in one adjustment action, the mechanical and circuit protection functions are realized.

[0009] Compared with the prior art, the utility model has the following advantages and effects: the design is the improvement of the mechanical blocking structure of the pit of the elevator, can be conveniently installed at the adjacent side space of the guide rail, occupies small space, is convenient to use, has good safety protection effect, can effectively limit the downward sliding trend of the car, and plays a safety protection role. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a structure schematic view of a preventing device.

[0011] Figure 2 It is a top view structure schematic view of a preventing device.

[0012] Figure 3 It is a structure schematic view of a storage position.

[0013] Figure 4 It is a structure schematic view of a working position.

[0014] In the figure: 1, fixed base, 2, prevent frame, 3, contact switch, 4, guide rail fixing structure, 5, prevent mounting structure, 6, fixed straight plate, 7, fixed vertical plate, 8, fixed socket, 9, fixed bolt, 10, blocking body, 11, horizontal support body, 12, locking pin. DETAILED DESCRIPTION

[0015] The utility model will be further explained in detail in combination with the drawings and by examples, the following examples are the explanation of the utility model and the utility model is not limited to the following examples.

[0016] A kind of pit simple mechanical prevent device, mechanical prevent device includes fixed base 1, prevent frame 2 and contact switch 3, the fixed base 1 is shaped with guide rail fixing structure 4 and prevent mounting structure 5, guide rail fixing structure 4 is fixed in the rear portion of guide rail, prevent mounting structure 5 is located in the side of guide rail fixing structure 4, prevent frame 2 is fixed on prevent mounting structure 5, the prevent frame 2 has working position and storage position, contact switch 3 is provided in the bottom of prevent frame 2, prevent frame 2 triggers contact switch 3 when in working position, contact switch 3 is connected with elevator safety circuit.

[0017] The fixed base 1 includes fixed straight plate 6, fixed straight plate 6 is fixed in the rear portion of guide rail rearward, fixed straight plate 6 is fixedly connected with guide rail by guide rail fixing piece, fixed straight plate 6 extends and is provided to the side of guide rail, prevent mounting structure 5 is fixedly provided at the end of fixed straight plate 6.

[0018] The prevent mounting structure 5 includes fixed vertical plate 7, fixed vertical plate 7 is provided with fixed socket 8, corresponding fixed plug is shaped in the end of fixed straight plate 6, fixed socket 8 is butt-jointed with fixed plug, screwing fixing hole is also shaped in the center of butt-jointed socket, fixed bolt 9 is connected in screwing fixing hole, fixed bolt 9 penetrates and connects fixed vertical plate 7 with fixed straight plate 6.

[0019] The fixed bolt 9 is as the central shaft of prevent frame 2, prevent frame 2 includes blocking body 10, blocking body 10 is long strip-shaped rigid structure, one end of blocking body 10 is rotatably connected on fixed bolt 9, blocking body 10 is working position when in horizontal position, blocking body 10 is storage position when in vertical position, horizontal support body 11 is provided at the front side transverse position of blocking body 10, horizontal support body 11 supports and supports blocking body 10 of working position, the upper portion of the blocking is provided with locking pin 12, locking pin 12 locks blocking body 10 of storage position.

[0020] The contact switch 3 is installed in the lower portion of fixed bolt 9, the distance from the tail end of blocking body 10 to fixed bolt 9 is less than the distance from its side to fixed bolt 9, the edge of blocking body 10 is shaped as the structure of circular arc transition.

[0021] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the claims rather than by the above description, and it is therefore intended that all changes and modifications that come within the meaning and range of equivalents of the claims be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

[0022] Furthermore, it should be understood that, although the present specification is made in terms of embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A pit simple mechanical stop device, characterized by: The mechanical stopping device comprises a fixed base (1), a stopping frame (2) and a contact switch (3), the fixed base (1) is formed with a guide rail fixing structure (4) and a stopping mounting structure (5), the guide rail fixing structure (4) is fixed at the rear of the guide rail, the stopping mounting structure (5) is located at one side of the guide rail fixing structure (4), the stopping frame (2) is fixed on the stopping mounting structure (5), the stopping frame (2) has a working position and a storage position, the contact switch (3) is arranged at the bottom of the stopping frame (2), the stopping frame (2) triggers the contact switch (3) when it is in the working position, and the contact switch (3) is disconnected with the safety circuit of the elevator.

2. A pit simple mechanical blocking device according to claim 1, characterized in that: The fixed base (1) comprises a fixed straight plate (6), the fixed straight plate (6) is fixed at the rear of the guide rail, the fixed straight plate (6) is fixedly connected with the guide rail through a guide rail fixing piece, and the fixed straight plate (6) extends to one side of the guide rail, and the stopping mounting structure (5) is fixedly arranged at the end of the fixed straight plate (6).

3. A pit simple mechanical blocking device according to claim 2, characterized in that: The stopping mounting structure (5) comprises a fixed vertical plate (7), the fixed vertical plate (7) is provided with a fixed socket (8), and a corresponding fixed plug is formed at the end of the fixed straight plate (6), the fixed socket (8) is arranged in butt joint with the fixed plug, and a screw fixing hole is further formed at the center of the butt joint socket, a fixed bolt (9) is connected in the screw fixing hole, and the fixed bolt (9) penetrates and connects the fixed vertical plate (7) and the fixed straight plate (6).

4. A pit simple mechanical blocking device according to claim 3, characterized in that: The fixed bolt (9) serves as the central shaft of the stopping frame (2), the stopping frame (2) comprises a blocking body (10), the blocking body (10) is a long strip-shaped rigid structure, one end of the blocking body (10) is rotatably connected to the fixed bolt (9), the blocking body (10) is in the working position when it is in the horizontal position, and the blocking body (10) is in the storage position when it is in the vertical position, a horizontal support body (11) is arranged at the front side of the blocking body (10) in the transverse position, the horizontal support body (11) supports and supports the blocking body (10) in the working position, and a locking pin (12) is arranged at the upper part of the blocking body (10), the locking pin (12) locks the blocking body (10) in the storage position.

5. A pit simple mechanical blocking device according to claim 4, characterized in that: The contact switch (3) is arranged at the lower part of the fixed bolt (9), the distance from the tail end of the blocking body (10) to the fixed bolt (9) is less than the distance from the side edge of the blocking body (10) to the fixed bolt (9), and the edge of the blocking body (10) is formed in a circular arc transition structure.

Images