CN216714004U

CN216714004U - Safety brake device for elevator of stereo garage

Info

Publication number: CN216714004U
Application number: CN202122540238.1U
Authority: CN
Inventors: 付玉刚; 李周军; 常小林; 胡建强
Original assignee: Taizhong Xiangming Intelligent Equipment Co ltd
Current assignee: Taizhong Xiangming Intelligent Equipment Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-06-10
Anticipated expiration: 2031-10-21

Abstract

The utility model belongs to the technical field of fault maintenance of elevator driving devices, and solves the problems of unreliable existing fixing mode and labor waste during installation. The utility model provides a stereo garage lift safety brake device, which comprises a frame, rack-mount is on lift drive arrangement support, the inside of frame is hollow structure, the upper end of panel all is provided with the breach around the frame, the lift drive shaft passes two breachs perpendicularly, be provided with the ratchet among the hollow structure of frame, the ratchet key-type connection is fixed in the lift drive shaft, be fixed with the bolt on the horizontal axis and hit the pole, it is fixed to impress or pull out the tooth's socket of ratchet through the bolt, the control is rather than the link hit the pole and is broken away from or trigger travel switch in place, travel switch is connected with lift drive arrangement's PLC controller. The utility model completely blocks the force transmission between the elevator car and the elevator counterweight when the elevator is safely overhauled, and provides safety guarantee for maintainers.

Description

Safety brake device for elevator of stereo garage

Technical Field

The utility model belongs to the technical field of fault maintenance of elevator driving devices, and particularly relates to a safety brake device of an elevator of a stereo garage.

Background

Along with the continuous improvement of the material living standard of people in recent years, the quantity of motor vehicles kept is more and more, and due to unreasonable urban planning, the shortage of parking facilities, poor management and the like, the road resources are more and more deficient, the contradiction between traffic supply and demand is increasingly revealed, the traditional parking lot cannot meet the current parking requirement, and the establishment of a stereo garage becomes the social development requirement.

The elevator equipment in the plane moving stereo garage and the vertical lifting stereo garage has the following defects:

when the elevator driving device is in failure and needs to be overhauled, the lift car and the counterweight need to be respectively and temporarily fixed, the traditional fixing mode is unreliable, and time and labor are wasted during installation;

therefore, a safety brake device of a stereo garage elevator, which is simple in operation, safe and reliable, is urgently needed to be researched.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of unreliable existing fixing mode and labor waste during installation, the utility model aims to provide a safety braking device for a stereo garage elevator, which brakes an elevator driving chain wheel by connecting a bolt fixed on a rack and a ratchet wheel fixed on an elevator driving shaft through key connection, so that when the elevator is safely overhauled, the transmission of force between an elevator car and an elevator counterweight can be completely blocked, and safety guarantee is provided for maintainers.

In order to achieve the purpose, the utility model adopts the following technical scheme that the safety brake device of the elevator of the stereo garage comprises a rack, wherein the rack is arranged on a support of an elevator driving device, the inside of the rack is of a hollow structure, the upper ends of front and rear panels of the rack are respectively provided with a notch, an elevator driving shaft vertically penetrates through the two notches, a ratchet wheel is arranged in the hollow structure of the rack, the ratchet wheel is provided with a plurality of horn mouth-shaped tooth grooves, and the ratchet wheel is connected and fixed on the elevator driving shaft in a key way; be provided with bilateral symmetry's two pedestals on the rear panel of frame, swivelling joint has a horizontal axis in two pedestals, the relative pedestal locking of horizontal axis, be fixed with the bolt on the horizontal axis and hit the pole, wherein the bolt sets up the positive rear at the breach, hit the pole setting in place and be in one of them one end of horizontal axis, the bolt with hit the coaxial linkage of pole and all perpendicular to horizontal axis in place, lean on the front panel of frame and install travel switch, travel switch's trigger end with hit the pole in place and all be located the outside of one of them curb plate of frame, it is fixed through the tooth's socket that the bolt is impressed or is pulled out the ratchet, control is rather than the pole of hitting in place of linkage and is broken away from or trigger travel switch, travel switch is connected with lift drive arrangement's PLC controller.

Preferably, the pedestal is spill platelike structure, and the outer end bolted connection of the breach department of pedestal has the blend stop, and the pedestal is stretched out and the external screw thread has at the both ends of horizontal axis, and wherein, one end is provided with two first nuts, and the pole locking is touched between two first nuts to the target in place, and inboard first nut laminating is in the pedestal outside that corresponds, and the other end is provided with the second nut, realizes the locking of the relative pedestal of horizontal axis through screwing up the second nut.

Preferably, the horizontal shaft is provided with two abutting rings which are respectively arranged at positions adjacent to the inner sides of the corresponding shaft brackets.

Preferably, the upper end of the frame is bolted with a gland, the elevator drive device support is fixedly provided with a lap plate, and the bottom plate of the frame is bolted to the upper end of the lap plate.

Preferably, the number of the tooth grooves on the ratchet wheel is 12, the tooth grooves are distributed on the circumference of the ratchet wheel at intervals, and the latch can be fixed in the corresponding tooth grooves in an embedded and extruded mode.

Preferably, the bolt and the in-place touch rod are arranged in parallel at an included angle of 90 degrees along the central axis of the horizontal shaft, the travel switch is horizontally arranged, and the height of the travel switch is consistent with that of the horizontal shaft.

Preferably, the travel switch is of type HL 5030.

Preferably, the notches on the front and rear panels of the rack are U-shaped, and the bottom ends of the notches extend to the middle parts of the front and rear panels.

Compared with the prior art, the utility model provides a safety brake device of a stereo garage elevator, which has the following beneficial effects:

1. the utility model utilizes the connection of the bolt fixed on the frame and the ratchet wheel fixed on the driving shaft of the elevator through key connection to brake the lifting driving chain wheel, thereby completely blocking the force transmission between the elevator car and the elevator counterweight when the elevator is safely overhauled and providing safety guarantee for the maintainers.

2. The utility model has simple structure, convenient installation, low failure rate of a mechanical structure, effectively eliminates the potential safety hazard when the driving device is overhauled, and saves labor and time cost.

3. According to the utility model, through the mechanical protection of the matching of the bolt and the ratchet wheel and the power-off protection of the matching of the in-place collision rod and the travel switch, the interlocking protection is formed, and other problems caused by misoperation are avoided.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a maintenance state of the present embodiment;

FIG. 2 is a schematic view of a first perspective of the maintenance-released state of the present embodiment;

FIG. 3 is an enlarged view of the position latch and the travel switch of FIG. 2;

FIG. 4 is a schematic view of the second perspective of the maintenance released state of the present embodiment;

fig. 5 is a schematic view of the mounting structure of the present embodiment.

In the figure: 1-a frame; 2-ratchet wheel; 2.1-gullet; 3-a shaft bracket; 4-horizontal axis; 4.1-a retaining ring; 5-inserting a pin; 6-in-place touch rod; 7-a travel switch; 8-barrier strip; 9.1-a first nut; 9.2-second nut; 10-pressing cover; 11-a lap plate; 12-a hoist drive mount; 13-elevator drive shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The present invention provides an embodiment:

as shown in fig. 5, a stereo garage lift safety brake device, its characterized in that: the lifting device comprises a rack 1, wherein the rack 1 is arranged on a lifting device support 12, the inside of the rack 1 is of a hollow structure, the upper ends of front and rear panels of the rack 1 are respectively provided with a notch, a lifting driving shaft 13 vertically penetrates through the two notches, a ratchet wheel 2 is arranged in the hollow structure of the rack 1, the ratchet wheel 2 is provided with a plurality of horn mouth-shaped tooth sockets 2.1, and the ratchet wheel 2 is fixedly connected with the lifting driving shaft 13 in a key manner;

the rear panel of frame 1 is provided with bilateral symmetry's two pedestal 3, swivelling joint has a horizontal axis 4 in two pedestal 3, horizontal axis 4 can be locked relative pedestal 3, be fixed with bolt 5 and hit and meet pole 6 in place on horizontal axis 4, wherein bolt 5 sets up the direct rear of breach, hit and meet pole 6 in place and set up one of them one end at horizontal axis 4, bolt 5 with hit and meet pole 6 coaxial linkage and all perpendicular to horizontal axis 4 in place, lean on the front panel of frame 1 to install travel switch 7, travel switch 7's trigger end and hit and meet pole 6 in place and all be located the outside of one of them curb plate of frame 1, it is fixed to press in or pull out tooth's socket 2.1 of ratchet 2 through bolt 5, control is rather than the linkage hit and meet pole 6 in place and break away from or trigger travel switch 7.

As shown in fig. 3, in this embodiment, the type of the travel switch 7 is ohilon HL5030, and the travel switch 7 is connected to the PLC controller of the elevator driving device, and the specific connection and control manner is well known to those skilled in the art and will not be described herein.

The front and back panel of frame 1 is the rectangular plate that the upper end has the U-shaped breach, U-shaped breach downwardly extending to the middle part of rectangular plate, the upper end bolted connection of frame 1 has gland 10, during the maintenance, screw down the fastening bolt on gland 10 earlier, lift gland 10 off, lock in 2.1 with the tooth's socket that 5 efforts of bolt impressed ratchet 2, load on gland 10, can further avoid bolt 5 to pop out in the maintenance process, the position that corresponds frame 1 on lift drive arrangement's the support 12 is fixed with lap-joint plate 11, the bottom plate bolted connection of frame 1 is in lap-joint plate 11 upper end.

As shown in fig. 4, the shaft bracket 3 is a concave plate-shaped structure, the outer end of the gap of the shaft bracket 3 is connected with a barrier strip 8 through a bolt, so that the installation and adjustment of the horizontal shaft 4 are facilitated, the bolt 4 and the in-place touch rod 5 are arranged in parallel at an included angle of 90 degrees along the central axis of the horizontal shaft 3, the travel switch 7 is horizontally arranged at the same height with the horizontal shaft 3, two ends of the horizontal shaft 4 extend out of the shaft bracket 3 and are provided with external threads, wherein one end of the horizontal shaft is provided with two first nuts 9.1, the in-place touch rod 6 is locked between the two first nuts 9.1, and the replacement and position adjustment of the in-place touch rod 6 are facilitated;

the inboard first nut 9.1 laminating is in the pedestal 3 outside that corresponds, the other end is provided with second nut 9.2, guarantee when second nut 9.2 is not locked, horizontal axis 4 can rotate relative pedestal 3, and when screwing up second nut 9.2, the position that targets in place and hits pole 6 can not change, can pull the back in place at bolt 5, realize the locking of horizontal axis 4 relative pedestal 3, make to target in place and hit the pole 6 and keep and the trip state that breaks away from or trigger state between 7, horizontal axis 4 is last to have two and to support ring 4.1, two support ring 4.1 set up respectively in the inboard position of the pedestal 3 that is close to corresponding, make horizontal axis 4 difficult for the landing in the installation.

In this embodiment, the number of tooth grooves 2.1 on the ratchet 2 is 12, the interval distribution is on the circumference of ratchet 2, bolt 5 can be inlayed and crowded formula and fixed in corresponding tooth groove 2.1, guarantee the steady locking of bolt 5 in tooth groove 2.1, bolt 5 and ratchet 2's tooth groove closely cooperate, realize the locking of bolt 5 through tooth groove 2.1 to the extrusion force and the frictional force of bolt 5, ratchet 2 is the tight key-type connection with the lift transmission shaft, axial and circumference all can not be removed, be provided with the axle sleeve on the lift axis of rotation of frame 1 rear panel department, the one end butt of axle sleeve is on ratchet 2.

The elevator safety braking devices are respectively arranged on elevator driving shafts 13 at four corners of the elevator driving device, wherein the number of the elevators is four.

The working principle is as follows:

as shown in fig. 1 and 2, when the latch 5 is pressed into the tooth groove 2.1 of the ratchet 2 and locked, the in-place touch rod 6 is separated from the trigger end of the travel switch 7, at this time, the travel switch 7 is powered off, and then the PLC connected with the travel switch controls all equipment to be powered off and protected from action, and enters a maintenance state; when the bolt 5 is pulled out from the tooth groove 2.1 of the ratchet wheel 2 by force, the in-place touch rod 6 is driven to trigger the travel switch 7, the travel switch 7 is powered on, and then the PLC connected with the travel switch controls all equipment to be powered on, so that action conditions are met.

The method comprises the following specific operation steps:

1. after the maintenance is started, the maintainers slap to stop the power supply, remove the fastening bolts of the gland 10 and remove the gland 10;

2. pressing the bolt 5 into a tooth groove 2.1 of the ratchet wheel 2 for locking, installing a gland 10, screwing a second nut 9.2, separating the in-place collision rod 6 from a trigger end of the travel switch 7 at the moment, powering off the travel switch 7 at the moment, and controlling all equipment to be protected from power failure by the PLC controller to be in a maintenance state;

3. after the overhaul is finished, the gland 10 is detached, the second nut 9.2 is loosened, the bolt 5 is pulled to the position where the overhaul state is removed, the second nut 9.2 is screwed down again, the travel switch 7 is powered on at the moment, and then the PLC controls all equipment to be powered on, so that the action condition is met, the gland 10 is installed, and the emergency stop is opened.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a stereo garage lift safety brake, its characterized in that: the lifting device comprises a rack (1), wherein the rack (1) is arranged on a lifting machine driving device support, the inside of the rack (1) is of a hollow structure, notches are formed in the upper ends of a front panel and a rear panel of the rack (1), a lifting machine driving shaft vertically penetrates through the two notches, a ratchet wheel (2) is arranged in the hollow structure of the rack (1), a plurality of horn mouth-shaped tooth grooves (2.1) are formed in the ratchet wheel (2), and the ratchet wheel (2) is fixedly connected with the lifting machine driving shaft in a key mode; be provided with bilateral symmetry's two pedestal (3) on the rear panel of frame (1), swivelling joint has a horizontal axis (4) in two pedestal (3), horizontal axis (4) can be the pedestal (3) locking relatively, be fixed with bolt (5) and hit pole (6) in place on horizontal axis (4), wherein bolt (5) set up the positive rear in the breach, hit pole (6) in place and set up the wherein one end in horizontal axis (4), bolt (5) and hit pole (6) coaxial linkage and all perpendicular to horizontal axis (4) in place, install travel switch (7) on the front panel of frame (1), the trigger end of travel switch (7) and hit pole (6) in place all are located the outside of one of them curb plate of frame (1); the tooth groove (2.1) of the ratchet wheel (2) is pressed in or pulled out through the bolt (5), the in-place collision rod (6) linked with the bolt (5) is controlled to be separated from or trigger the travel switch (7), and the travel switch (7) is connected with a PLC (programmable logic controller) of the elevator driving device.

2. The stereo garage elevator safety braking device of claim 1, wherein: the utility model discloses a locking device of horizontal axis (4) of motor vehicle, including pedestal (3), pedestal (3) are spill platelike structure, the outer end bolted connection of the breach department of pedestal (3) has blend stop (8), pedestal (3) are stretched out and the external screw thread has at the both ends of horizontal axis (4), wherein, one end is provided with two first nuts (9.1), hit and bump pole (6) locking between two first nuts (9.1) in place, inboard first nut (9.1) laminating is in the pedestal (3) outside that corresponds, the other end is provided with second nut (9.2), realize the locking of horizontal axis (4) relative pedestal (3) through screwing up second nut (9.2).

3. The stereo garage elevator safety braking device of claim 1, wherein: the horizontal shaft (4) is provided with two abutting rings (4.1), and the two abutting rings (4.1) are respectively arranged at the positions close to the inner sides of the corresponding shaft brackets (3).

4. The stereo garage elevator safety braking device of claim 3, wherein: the upper end bolted connection of frame (1) has gland (10), fixedly on the lift drive arrangement support be provided with overlap joint board (11), the bottom plate bolted connection of frame (1) is in overlap joint board (11) upper end.

5. The stereo garage elevator safety braking device of claim 4, wherein: the number of the tooth grooves (2.1) on the ratchet wheel (2) is 12, the tooth grooves are distributed on the circumference of the ratchet wheel (2) at intervals, and the bolts (5) can be fixed in the corresponding tooth grooves (2.1) in an embedded and extruded mode.

6. The stereo garage elevator safety braking device of claim 4, wherein: the bolt (5) and the in-place collision rod (6) are arranged in parallel at an included angle of 90 degrees along the central axis of the horizontal shaft (4), the travel switch (7) is horizontally arranged, and the height of the travel switch is consistent with that of the horizontal shaft (4).

7. The stereo garage elevator safety braking device of claim 1, wherein: the type of the travel switch (7) is HL 5030.

8. The stereo garage elevator safety braking device of claim 1, wherein: the shape of the gap on the front panel and the rear panel of the frame (1) is U-shaped, and the bottom end of the gap extends to the middle part of the front panel and the rear panel.