CN209974026U

CN209974026U - Elevator up-down limiting device

Info

Publication number: CN209974026U
Application number: CN201920367941.7U
Authority: CN
Inventors: 匡南辉; 肖林; 杨正皓; 宾豪
Original assignee: Doppler Elevator Ltd By Share Ltd
Current assignee: Doppler Elevator Ltd By Share Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-01-21
Anticipated expiration: 2029-03-21

Abstract

The utility model discloses a stop device about elevator belongs to the home use elevator field. The utility model discloses a guide rail mounting panel, block the support, on the guide rail mounting panel was fixed in car guide along the plummet direction, block that the pivot that the support set up through the plummet direction rotates with the guide rail mounting panel to be connected, block the support and include the support rotation seat, one side of keeping away from the pivot on the support rotation seat is provided with the connecting rod, is provided with the pin on the connecting rod, the axis of pin is parallel with the axis of pivot. The device has more reliable structure and better stress, and can be used as a limiting device for a pit and the top layer of a well.

Description

Elevator up-down limiting device

Technical Field

The utility model belongs to the home use elevator field, concretely relates to stop device about home use elevator.

Background

With the development of building structures towards diversity, in some buildings, elevators without machine room have been produced in order to save space. The drive main machine of the elevator without machine room is arranged in the pit, and the traditional elevator machine room is omitted. Through the design, the building space is saved, the building cost is reduced, the building structure is prevented from being complicated, and the whole building is attractive in appearance. For the pit operation space of the machine room free elevator with the driving main machine arranged in the pit, no clear requirements are provided in national standard GB7588-2003 Elevator manufacturing and installation safety Specification, but the lift car needs to be moved in the inspection and maintenance work. Particularly, when the components such as a brake, a traction sheave, a suspension rope and the like are overhauled or inspected, the lift car has the possibility of sliding or falling, and due to the influence of the use space of a pit and the top layer of a shaft, if the lift car moves accidentally, the lift car can affect operators or hurt the operators standing in the pit, or the phenomenon of top rushing occurs.

To prevent this, the applicant has noticed that many elevator manufacturers have proposed various solutions, such as: chinese utility model with the bulletin number of CN202414921U provides a stop device on home elevator, manual reset switch, connecting plate and knapsack frame fixed connection in the device. The rotating shaft is movably connected with the connecting plate. The baffle is fixedly connected with the rotating shaft. The positioning plate below the baffle is fixedly arranged on the backpack frame. The fixing piece is positioned at the upper part of the backpack frame and is connected with the car guide rail.

Under the normal operating condition of car, this utility model's device is in unoperated state. When the elevator maintenance personnel enter the car roof, the manual reset switch is manually opened, so that the elevator can only run at the maintenance speed. The baffle is then flipped 180 degrees. The mounting is fixed on the guide rail of 900mm apart from the well top, overhauls the operation when the car upwards, to setting for the position, the baffle card is below the mounting, guarantees that the car can not dash the top when overhauing. When the elevator maintenance personnel leave the car roof, the upper limiting device is recovered to be in a non-working state, and the elevator runs normally.

The utility model discloses an use the operation that the pivoted baffle restricted the car, when the car collided with the baffle, and because the baffle has certain length, still had a lever action, consequently the baffle sharply increases with the welding department atress of axis of rotation, easily leads to this department fracture. The utility model discloses a well the device only uses as the scour protection top installation, and when regarding the protector with the device as the pit position, the power that the baffle was used in the car whereabouts still includes the gravity of car, and the fracture is changeed with the axis of rotation to the baffle. Therefore, a limit device with more reliable structure and better stress is needed, and the limit device can be used for a pit and a top layer of a well.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: to above-mentioned problem, provide a stop device about elevator, the device's structure is more reliable, the atress is better to and can be used as the stop device on pit and well top layer simultaneously.

The utility model adopts the technical scheme as follows:

the utility model provides a stop device about elevator, includes the guide rail mounting panel, blocks the support, on the guide rail mounting panel was fixed in car guide along the plummet direction, blocks that the pivot that the support set up through the plummet direction rotates with the guide rail mounting panel to be connected, blocks the support and includes support rotation seat, and the one side of keeping away from the pivot on the support rotation seat is provided with the connecting rod, is provided with the pin on the connecting rod, and the axis of pin is parallel with the axis of pivot.

Furthermore, limiting plates are arranged at the upper end and the lower end of the support rotating seat, two limiting holes are formed in each limiting plate, the limiting holes are located on the same virtual circle, and the circle center of each virtual circle is located on the axis of the rotating shaft; the guide rail mounting plate is characterized in that the upper end face and/or the lower end face of the guide rail mounting plate are/is provided with positioning holes, positioning bolts are sleeved in the positioning holes, and the positioning holes are matched with the limiting holes.

Furthermore, the upper limiting plate and the lower limiting plate are connected to form a 20866and a limiting piece, and the limiting piece is fixed on the bracket rotating seat.

Further, the central angle between the two limiting holes is.

Further, the longitudinal section of the rail mounting plate is set to be Jiong-shaped.

Furthermore, a limit switch is arranged on the guide rail mounting plate, and a switch collision plate is arranged on the blocking bracket; when the blocking support does not enter a car running channel in the shaft, the switch collision plate is connected with the limit switch, and the limit switch is in a normally closed state.

Furthermore, a plurality of code pressing mounting holes are formed in the guide rail mounting plate; the guide rail pressing device is characterized by further comprising a guide rail pressing code, wherein a bolt hole is formed in the guide rail pressing code and matched with the pressing code mounting hole, and the guide rail pressing code and the pressing code mounting hole are correspondingly arranged; the guide rail mounting plate is fixed on the car guide rail through bolts and guide rail pressing codes.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, this stop device both can install and be used for preventing to dash the top on well upper portion, can install in the well lower part again for protect maintainer and elevator when the maintainer overhauls in the pit, guarantee promptly that the elevator keeps the design distance with well top layer or pit ground all the time when overhauing.

2. The utility model discloses in, for making the gesture that blocks the support more firm, also for preventing to block the support maloperation, the upper and lower both ends that the seat was rotated to the support all are provided with the limiting plate, have seted up two spacing holes on the limiting plate, and spacing hole site is on same virtual circle, and the centre of a circle of virtual circle is located the axis of pivot. The guide rail mounting plate is characterized in that the upper end face and/or the lower end face of the guide rail mounting plate are/is provided with positioning holes, positioning bolts are sleeved in the positioning holes, and the positioning holes are matched with the limiting holes.

3. The utility model discloses in, two limiting plate connection Jiong shape locating parts as an organic whole about, Jiong shape locating part is fixed in on the support rotates the seat through devices such as welding, bolt and nut subassembly again. Compared with the method that the limiting plates are directly welded at two ends of the support rotating seat, the limiting part provided by the embodiment is obviously better in stress, more stable in structure and longer in service life.

4. The utility model discloses in, for the atress performance that improves the guide rail mounting panel for the structure of guide rail mounting panel is more reliable and more stable, and avoids the guide rail mounting panel to warp, and the longitudinal section of guide rail mounting panel sets up to Jiong shape.

5. The utility model discloses in, adopted the combination of machinery and electrical signal, ensured security, the reliability of overhauing. Simultaneously, elevator operation mode switches and blocks that the support expandes the action and combine together in this embodiment, and the change of the operation mode of one-step completion maintenance and the expansion of spacing blocking device have improved labor efficiency.

6. The utility model discloses in, press the sign indicating number through the guide rail and can avoid trompil on car guide rail to avoid making car guide rail's structure impaired, reduce the atress performance.

Drawings

FIG. 1 is a schematic view of the installation of the present invention;

FIG. 2 is a schematic view of the present invention in a non-operating state;

FIG. 3 is a top view of the working state of the present invention;

fig. 4 is a schematic diagram of the position of the limit switch of the present invention;

FIG. 5 is a schematic view of the switch striking plate according to the present invention;

fig. 6 is a schematic diagram of a control circuit of the present invention;

the labels in the figure are: 1-guide rail mounting plate, 101-weight mounting hole, 2-blocking bracket, 201-bracket rotating seat, 202-connecting rod, 203-stop rod, 204-limiting piece, 205-limiting hole, 3-limiting switch, 4-switch collision plate, 6-guide rail weight, 9-guide rail bracket and 10-car guide rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

The utility model provides a stop device about elevator, includes guide rail mounting panel 1, blocks support 2, on guide rail mounting panel 1 was fixed in car guide rail 10 along the plummet direction, blockked that pivot and guide rail mounting panel 1 that support 2 set up through the plummet direction rotate to be connected, blockked support 2 and include support rotation seat 201, one side of keeping away from the pivot on the support rotation seat 201 is provided with connecting rod 202, is provided with pin 203 on the connecting rod 202, and the axis of pin 203 is parallel with the axis of pivot.

In this embodiment, referring to fig. 1, a car guide rail 10 is fixed in a hoistway through a guide rail bracket 9, and upper and lower limiting devices of the elevator are fixed on upper and lower ends of the car guide rail 10 at positions away from a designed distance from the top or bottom of the hoistway. The limiting device is an upper limiting device when fixed on the upper part of the car guide rail 10 in the hoistway, and prevents the car from impacting the top. This stop device is the stop device down when fixing the bottom of car guide rail 10 in the well, plays the guard action when the maintainer in the pit. Compared with the prior art, the limiting device can be installed on the upper portion of the shaft and used for preventing the top from being rushed, and can be installed on the lower portion of the shaft, so that the maintainers and the elevator can be protected when the maintainers overhaul in the pit, and the elevator can be always kept at a designed distance from the top layer of the shaft or the ground of the pit when the elevator overhauls.

The limiting device is fixed on a car guide rail 10 through a guide rail mounting plate 1, and the mounting plane of the guide rail mounting plate 1 is a plumb bob plane. And a rotating shaft arranged in the direction of the plumb bob is rotatably connected with the blocking bracket 2 on one side surface of the guide rail mounting plate 1. Thus, in this embodiment, when the car collides with the blocking bracket 2 in the upward or downward direction, a force along the axis of the rotating shaft and a bending moment applied to the rotating shaft can be considered. Because the guide rail mounting plate 1 is fixed on the car guide rail 10, the force along the axis of the rotating shaft is borne by the fixed connecting assembly of the guide rail mounting plate 1, the guide rail mounting plate 1 and the car guide rail 10 and is transmitted to the car guide rail 10, so that the fixing structure is firmer and more reliable compared with the prior art. And the bending moment is received by the guide rail mounting plate 1 and transmitted to the car guide rail 10. Compared with the prior art, the guide rail mounting plate 1 has better stress and is not easy to damage due to the direct welding of the baffle and the rotating shaft. Therefore, the upper and lower limiting device provided by the embodiment is more reliable in structure and longer in service life.

Example 2

When the blocking bracket 2 is located outside the car travel passage, the car can normally travel. When the blocking bracket 2 enters the moving passage of the car, the car is blocked from running. For make stop that the gesture that stops of support 2 is more firm, also for preventing to stop support 2 maloperation, on embodiment 1's basis, the upper and lower both ends that support rotated seat 201 all are provided with the limiting plate, have seted up two spacing holes 205 on the limiting plate, and spacing hole 205 is located same virtual circle, and the centre of a circle of virtual circle is located the axis of pivot. The guide rail mounting plate 1 is provided with positioning holes on the upper end face and/or the lower end face, positioning bolts are sleeved in the positioning holes, and the positioning holes are matched with the limiting holes 205.

When the guide rail mounting plate is used, the limiting holes in the limiting plates are communicated with the positioning holes, and the blocking support 2 can be fixed on the guide rail mounting plate 1 by inserting the positioning bolts. So, block support 2 and included three state, one is inoperative state, at this moment, block support 2 and press close to the well wall, lie in the operation passageway of car outside to be fixed by the positioning bolt. Secondly, the working state, at this moment, stop support 2 and be fixed in the moving channel of car by the positioning bolt, stop support 2 place plane and guide rail mounting panel 1 and form an contained angle. And thirdly, a non-working state and a transition state of a working state.

Example 3

On the basis of example 2, the central angle between the two limiting holes is 90 °.

Example 4

On the basis of embodiment 2, two upper and lower limiting plates are connected to form a one-block 20866; 'type limiting member 204', two upper and lower arms of the limiting member are limiting plates, and the limiting member 204 is fixed on the bracket rotating seat 201.

The Jiong-shaped limiting piece is integrally connected with the upper limiting plate and the lower limiting plate, and the Jiong-shaped limiting piece is fixed on the bracket rotating seat 201 through welding, bolt and nut assemblies and other devices. Compared with the method that the limiting plates are directly welded at two ends of the bracket rotating seat 201, the limiting part provided by the embodiment is obviously better in stress, more stable in structure and longer in service life.

Example 5

On the basis of embodiment 2, in order to improve the stress performance of the guide rail mounting plate, make the structure of the guide rail mounting plate 1 more stable and reliable, and avoid the deformation of the guide rail mounting plate 1, the longitudinal section of the guide rail mounting plate 1 is set to be Jiong-shaped.

Example 6

On the basis of the embodiment 1, a limit switch 3 is arranged on a guide rail mounting plate 1, and a switch collision plate 4 is arranged on a blocking bracket 2; when the blocking support 2 does not enter a car running channel in a hoistway, the switch collision plate 4 is connected with the limit switch 3, and the limit switch 3 is in a normally closed state.

In this embodiment, limit switch 3 is fixed in the back of guide rail mounting panel for switch the operational mode of elevator into overhauls the operational mode. The switch striking plate 4 is welded on the bracket rotating seat 201. When the blocking bracket 2 does not enter a car running channel in a hoistway, the switch collision plate 4 is kept in contact with the limit switch 3, and the limit switch 3 is in a normally closed state. When the blocking support 2 rotates 90 degrees, the switch collision plate 4 disengages the limit switch, and the limit switch 3 enables the elevator to enter an overhaul running mode.

Referring to fig. 6, a limit switch 3 is connected in series with the ceiling maintenance switch STR and is connected to the main board, so that the main board is adjusted from the self-running mode to the maintenance operation mode once the limit switch 3 is triggered. When the limiting switch is normally closed, the main board can be adjusted to the maintenance operation mode through the car top maintenance switch STR. The elevator system further comprises an overhaul switching circuit, and the car top overhaul uplink button SBTU and the car top overhaul downlink button SBTD are used for switching the elevator to uplink or downlink.

In the embodiment, the combination of mechanical and electrical signals is adopted, so that the safety and reliability of maintenance are ensured. Simultaneously, elevator operation mode switches and blocks 2 expandes actions of support and combine together in this embodiment, accomplishes the change of overhauing the operation mode and the expansion of spacing blocking device in one step, has improved labor efficiency.

Example 7

On the basis of the embodiment 1, a plurality of code pressing mounting holes 101 are formed in the guide rail mounting plate 1; still press sign indicating number 6 including the guide rail, the guide rail is pressed and has been seted up the bolt hole on the sign indicating number 6, the bolt hole with press sign indicating number mounting hole 101 looks adaptation, the guide rail is pressed sign indicating number 6 and is pressed a sign indicating number mounting hole and correspond the setting: the guide rail mounting plate 1 is fixed to the car guide rail 10 by a bolt assembly and a guide rail weight 6.

In this embodiment, the guide rail mounting plate 1 is provided with code pressing mounting holes 101, and the 6 code pressing mounting holes 101 include 6 kidney-shaped holes in 3 rows and 2 columns. During assembly, the guide rail mounting plate 1 is positioned on the car guide rail 10 through the guide rail pressing code 6 and then fixed through the bolt and nut assembly. The guide rail pressure code is provided with a notch which presses the car guide rail 10 against the guide rail mounting plate 1. The guide rail pressing code 6 can avoid the hole from being opened on the car guide rail 10, thereby avoiding the damage of the structure of the car guide rail 10 and the reduction of the stress performance.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a stop device about elevator which characterized in that: including guide rail mounting panel (1), block support (2), on guide rail mounting panel (1) is fixed in car guide (10) along the plummet direction, block support (2) through the pivot that the plummet direction set up with guide rail mounting panel (1) rotates and connects, block support (2) and rotate seat (201) including the support, the support rotates one side of keeping away from the pivot on seat (201) and is provided with connecting rod (202), be provided with pin (203) on connecting rod (202), the axis of pin (203) with the axis of pivot is parallel.

2. The elevator up-down limiting device according to claim 1, characterized in that: the upper end and the lower end of the support rotating seat (201) are both provided with limiting plates, the limiting plates are provided with two limiting holes (205), the limiting holes (205) are located on the same virtual circle, and the circle center of the virtual circle is located on the axis of the rotating shaft.

3. The elevator up-down limiting device according to claim 2, characterized in that: the upper limiting plate and the lower limiting plate are connected to form a 20866a type limiting part (204), and the limiting part (204) is fixed on the bracket rotating seat (201); locating holes are formed in the upper end face and/or the lower end face of the guide rail mounting plate (1), locating bolts are sleeved in the locating holes, and the locating holes are matched with the limiting holes (205).

4. The elevator up-down limiting device according to claim 2, characterized in that: the central angle between the two limiting holes is 90 degrees.

5. The elevator up-down limiting device according to claim 1, characterized in that: the longitudinal section of the guide rail mounting plate (1) is Jiong-shaped.

6. The elevator up-down limiting device according to claim 1, characterized in that: a limit switch (3) is arranged on the guide rail mounting plate (1), and a switch collision plate (4) is arranged on the blocking bracket (2); when stopping that support (2) do not get into car operation passageway in the well, the switch hit the board (4) with limit switch (3) are connected, and make limit switch (3) are in the normally closed state.

7. The elevator up-down limiting device according to claim 6, characterized in that: a plurality of code pressing mounting holes (101) are formed in the guide rail mounting plate (1); the guide rail pressing device is characterized by further comprising a guide rail pressing code (6), a bolt hole is formed in the guide rail pressing code (6), the bolt hole is matched with the pressing code mounting hole (101), and the guide rail pressing code (6) is arranged corresponding to the pressing code mounting hole; the guide rail mounting plate (1) is fixed on the car guide rail (10) through a bolt and nut assembly and a guide rail pressing code (6).