CN218231424U - Sensing equipment for elevator maintenance protection - Google Patents

Abstract

The utility model discloses an elevator maintenance sensing equipment for protection relates to elevator maintenance technical field, including protective frame, first spout has all been seted up to the inner wall of protective frame top both sides, and the equal sliding connection of inner wall of two first spouts has the limiting plate, and the draw-in groove has all been seted up to the inner wall of two limiting plate bottoms, and the block is connected with the base between two draw-in grooves, and one side on base top is fixed to be equipped with acceleration sensor, the beneficial effects of the utility model are that: detect the state of opening and close of elevator door through infrared ray range finding sensor, when the elevator door is for opening the state, infrared ray range finding sensor is with signal transmission to controller, the piston rod extension of rethread controller control cylinder, so that push away the dish and extrude the warning sign downwards, two slide bars slide at the inner wall of two second slide openings respectively simultaneously, two extension messenger warning signs of reset spring are located the central authorities of opening the elevator door, thereby prevent that the owner from getting into inside the taking of elevator at elevator maintenance in-process.

Description

Sensing equipment for elevator maintenance protection

Technical Field

The utility model relates to a sensing equipment, in particular to sensing equipment is used in elevator maintenance protection belongs to elevator maintenance technical field.

Background

The elevator is a transportation device for vertically transporting pedestrians or goods, the elevator is a permanent transportation device, the car of the elevator runs on at least two rows of rigid rails which are perpendicular to the horizontal plane or have an inclination angle smaller than 15 degrees with a plumb line, maintenance personnel need to regularly maintain and protect the elevator in order to maintain the safety of the elevator in the use process, and the maintenance personnel and an owner need to be protected by a plurality of sensing devices in the maintenance process of the elevator.

The technology that the 'a is used for maintaining and protecting the sensing system of the lift' that the application number is "CN201720166278.5" is also the technology that is becoming mature day by day, it "includes an infrared light curtain system, the infrared light curtain system includes the infrared transmitting tube, infrared receiving tube used for forming the infrared light curtain, the infrared light curtain that the infrared light curtain system produces encloses and is located the maintenance personnel working area above the lift car roof; the infrared transmitting tube and the infrared receiving tube are both connected with a signal processing module, and the signal processing module is connected with a trigger switch which is connected with an elevator uplink and downlink circuit in series. This patent is through setting up the sedan-chair top with infrared light curtain system, form a workspace, when maintenance personal's health surpasss the workspace, the infrared light receives and shelters from, the light signal that infrared emission pipe sent can't be received by infrared receiving tube, infrared receiving tube can't receive the light signal, thereby can't carry out photoelectric conversion, handle the back through signal processing module, feedback trigger switch, and then go up the downlink circuit through trigger switch disconnection elevator, but the device still has following defect when in-service use.

1) When the sensing system is used, owner personnel needing to be taken outside the elevator cannot be reminded according to the opening and closing state of the elevator door, and the personal safety of the owner and maintenance personnel is easily damaged when the owner uses the elevator in maintenance;

2) Because this sensing system installs in the sedan-chair top, when the elevator that damages fell down fast because of damaging, because this sensing system protectiveness is relatively poor, this sensing system easily causes the system to damage along with the pressure between the elevator whereabouts in-process and the sedan-chair top, has reduced sensing system's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator maintenance sensing equipment for protection to the unable state warning owner of opening and close according to the ladder door that provides in solving above-mentioned background art, the relatively poor problem of protectiveness.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an elevator maintenance sensing equipment for protection, includes protective frame, first spout, two have all been seted up to the inner wall of protective frame top both sides the equal sliding connection of inner wall of first spout has the limiting plate, two the draw-in groove has all been seted up to the inner wall of limiting plate bottom, two the block is connected with the base between the draw-in groove, the fixed acceleration sensor that is equipped with in one side on base top, protective frame's inner wall is equipped with the buffering subassembly, one side of protective frame is equipped with protective assembly, two first bolt fixedly connected with apron are passed through to protective frame's bottom, the fixed controller that is equipped with of opposite side on base top.

Preferably, the buffering component comprises four buffering columns, four first sliding holes, four first sliding rods, four first shock absorbers, four second shock absorbers, a guard plate and two rubber buffer cushions, the four buffering columns are respectively and fixedly arranged on the inner walls of the tops of the two sides of the protection frame and the inner walls of the bottoms of the two sides of the protection frame, the four buffering columns are respectively and fixedly arranged on the inner walls of one side of the buffering columns, the four buffering columns are respectively and fixedly arranged on the inner walls of the tops of the two sides of the protection frame, the four buffering columns are respectively and fixedly arranged on the inner walls of one side of the buffering columns, the four buffering columns are respectively and fixedly arranged on the four corners of the bottom end of the cover plate, the four buffering columns are respectively and fixedly arranged on the four sides of the bottom end of the cover plate, the guard plate is fixedly arranged between the four buffering columns, and the two rubber buffer cushions are respectively and fixedly arranged on the middle portions of the front face and the back face of the protection frame.

Preferably, the protection component includes riser, second spout, removes seat, infrared ranging sensor, two jibs, backup pad, cylinder and pushes away the dish, the fixed one side that sets up at protective frame of riser, the second spout has been seted up to the inner wall of riser one side, the inner wall sliding connection of second spout has the removal seat, the fixed infrared ranging sensor that is equipped with in one side of removing the seat, the both sides of removing the seat bottom are all fixed and are equipped with jib, two the bottom mounting of jib is equipped with the backup pad, the fixed cylinder that is equipped with in middle part of backup pad bottom, the piston rod fixedly connected with of cylinder pushes away the dish, the cylinder passes through infrared ranging sensor and controller electric connection.

Preferably, the top of the inner wall of the second chute is rotatably connected with a connecting screw rod through a bearing, a screw nut in threaded connection with the connecting screw rod is fixedly arranged on the inner wall of the movable seat, a micro motor is fixedly arranged in the middle of the top end of the vertical plate, and a transmission shaft of the micro motor is fixedly connected with the top end of the connecting screw rod.

Preferably, the inner wall of backup pad bottom both sides has all been seted up the second slide opening, two the equal sliding connection of inner wall of second slide opening has the second slide bar, two the bottom mounting of second slide bar is equipped with the warning sign, it is equipped with two reset spring to fix between warning sign and the backup pad.

Preferably, the fixed warning light that is equipped with in top of protective frame opposite side, the warning light passes through acceleration sensor and controller electric connection.

Preferably, the bottom of the other side of the protective frame is fixedly provided with a switch panel, the surface of the switch panel is provided with a micro motor switch, and the micro motor is electrically connected with the power supply through the micro motor switch.

Compared with the prior art, the utility model provides a pair of sensing equipment for elevator maintenance protection has following beneficial effect:

1. the connecting screw rod is driven to rotate by starting of the micro motor, the connecting screw rod rotates to enable the moving seat to slide along the inner wall of the second sliding groove, so that the height of the warning board can be conveniently adjusted according to the distance between the inner wall of the top end of the elevator and the elevator door, when the warning board is positioned above the elevator door, the opening and closing state of the elevator door is detected through the infrared distance measuring sensor, when the elevator door is in the opening state, the infrared distance measuring sensor transmits signals to the controller, the piston rod of the air cylinder is controlled to extend through the controller, so that the warning board is downwards extruded by the push disc, meanwhile, the two second sliding rods respectively slide on the inner walls of the two second sliding holes, and the warning board is positioned in the center of the opening elevator door by stretching of the two reset springs, so that an owner is prevented from entering the interior of the elevator to ride in the elevator maintenance process of the elevator;

2. when the sensing equipment falls off due to the influence of damage and falling of the elevator, the oscillation of the sensing equipment falling on the bottom of the elevator can be effectively reduced through the four second shock absorbers, meanwhile, the four first sliding rods respectively slide on the inner walls of the four first sliding holes, and respectively extrude the four first shock absorbers, so that the horizontal stress of the sensing equipment is buffered through the four first shock absorbers and the two rubber buffer cushions, and the protection effect and the service life of the sensing equipment are further improved;

3. when the elevator falls at a too high speed, the acceleration sensor transmits a signal to the controller, and the warning lamp is controlled by the controller to flash and whistle, so that the warning and maintenance personnel can take corresponding measures in time.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic view of a cross-sectional structure of the vertical plate of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a protective frame; 2. a first chute; 3. a limiting plate; 4. a card slot; 5. a base; 6. an acceleration sensor; 7. a buffer assembly; 8. a guard assembly; 9. a first bolt; 10. a cover plate; 11. a controller; 12. a second slide hole; 13. a second slide bar; 14. a warning board; 15. a return spring; 16. a warning light; 17. a switch panel; 71. a buffer column; 72. a first slide hole; 73. a first slide bar; 74. a first shock absorber; 75. a second shock absorber; 76. a guard plate; 77. a rubber cushion pad; 81. a vertical plate; 82. a second chute; 83. a movable seat; 84. an infrared ranging sensor; 85. a boom; 86. a support plate; 87. a cylinder; 88. pushing the disc; 821. connecting a screw rod; 822. a feed screw nut; 823. a micro motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-4, the utility model provides a sensing equipment for elevator maintenance and protection, including protective frame 1, first spout 2 has all been seted up to the inner wall of protective frame 1 top both sides, the inner wall of two first spout 2 all has sliding connection to have limiting plate 3, the inner wall of two limiting plate 3 bottoms has all seted up draw-in groove 4, the block is connected with base 5 between two draw-in grooves 4, one side of base 5 top is fixed with acceleration sensor 6, the inner wall of protective frame 1 is equipped with buffer assembly 7, one side of protective frame 1 is equipped with protective assembly 8, the bottom of protective frame 1 is fixedly connected with apron 10 through two first bolts 9, the opposite side of base 5 top is fixed with controller 11;

a warning lamp 16 is fixedly arranged at the top of the other side of the protective frame 1, the warning lamp 16 is electrically connected with the controller 11 through the acceleration sensor 6, when the falling speed of the elevator is too high, the acceleration sensor 6 transmits a signal to the controller 11, and the controller 11 controls the warning lamp 16 to flash and whistle, so that a maintenance worker can take corresponding measures in time;

referring to fig. 1-4, a sensing device for elevator maintenance and protection further includes a buffering assembly 7, the buffering assembly 7 includes four buffering columns 71, four first sliding holes 72, four first sliding rods 73, four first shock absorbers 74, four second shock absorbers 75, a guard plate 76 and two rubber buffer pads 77, the four buffering columns 71 are respectively and fixedly disposed on the inner walls of the tops of the two sides and the inner walls of the bottoms of the two sides of the protection frame 1, the first sliding holes 72 are disposed on the inner walls of one sides of the four buffering columns 71, the first sliding rods 73 are slidably connected to the inner walls of the four first sliding holes 72, the first shock absorbers 74 are respectively and fixedly disposed on one side of the inner walls of the four first sliding holes 72, the four first shock absorbers 74 are respectively and fixedly connected to one ends of the four first sliding rods 73, the four second guard plate shock absorbers 75 are respectively and fixedly disposed at the four corners of the bottom end of the cover plate 10, the four second shock absorbers 75 are respectively and fixedly disposed between the four second shock absorbers 76, and the two rubber buffer pads 77 are respectively and fixedly disposed in the middle of the front and the back of the protection frame 1;

specifically, as shown in fig. 1, fig. 2 and fig. 4, at first, when the sensing device is installed inside an elevator for use, the sensing device is easily caused to fall due to the damage of the elevator, and after the sensing device falls, the oscillation of the sensing device falling at the bottom of the elevator can be effectively reduced through the four second shock absorbers 75, meanwhile, the four first slide bars 73 respectively slide on the inner walls of the four first slide holes 72, the four first slide bars 73 respectively extrude the four first shock absorbers 74, so that the horizontal stress of the sensing device is buffered through the four first shock absorbers 74 and the two rubber buffer pads 77, and the protection effect and the service life of the sensing device are further improved.

Example 2:

the protection assembly 8 comprises a vertical plate 81, a second chute 82, a movable seat 83, an infrared distance measuring sensor 84, two suspenders 85, a support plate 86, a cylinder 87 and a push disc 88, wherein the vertical plate 81 is fixedly arranged on one side of the protection frame 1, the second chute 82 is formed in the inner wall of one side of the vertical plate 81, the movable seat 83 is slidably connected to the inner wall of the second chute 82, the infrared distance measuring sensor 84 is fixedly arranged on one side of the movable seat 83, the suspenders 85 are fixedly arranged on two sides of the bottom end of the movable seat 83, the support plate 86 is fixedly arranged at the bottom ends of the two suspenders 85, the cylinder 87 is fixedly arranged in the middle of the bottom end of the support plate 86, a piston rod of the cylinder 87 is fixedly connected with the push disc 88, and the cylinder 87 is electrically connected with the controller 11 through the infrared distance measuring sensor 84;

the top end of the inner wall of the second sliding chute 82 is rotatably connected with a connecting screw 821 through a bearing, the inner wall of the moving seat 83 is fixedly provided with a screw nut 822 in threaded connection with the connecting screw 821, the middle part of the top end of the vertical plate 81 is fixedly provided with a micro motor 823, a transmission shaft of the micro motor 823 is fixedly connected with the top end of the connecting screw 821, and the micro motor 823 is started to drive the connecting screw 821 to rotate, so that the moving seat 83 can slide along the inner wall of the second sliding chute 82, and the height of the warning board 14 can be conveniently adjusted according to the distance between the inner wall of the top end of the elevator and the elevator door;

the inner walls of two sides of the bottom end of the supporting plate 86 are respectively provided with a second sliding hole 12, the inner walls of the two second sliding holes 12 are respectively connected with a second sliding rod 13 in a sliding manner, the bottom ends of the two second sliding rods 13 are fixedly provided with a warning board 14, two reset springs 15 are fixedly arranged between the warning board 14 and the supporting plate 86, and after the maintenance of the elevator is completed, the elasticity of the two reset springs 15 is convenient for driving the warning board 14 to move upwards, so that the elevator can be conveniently used by an owner normally;

a switch panel 17 is fixedly arranged at the bottom of the other side of the protective frame 1, a micro motor switch is arranged on the surface of the switch panel 17, and a micro motor 823 is electrically connected with a power supply through the micro motor switch;

specifically, as shown in fig. 1, 2 and 3, the micro motor switch on the surface of the switch panel 17 is turned on, the micro motor 823 is started to drive the connecting screw 821 to rotate, the connecting screw 821 rotates to enable the moving seat 83 to slide along the inner wall of the second sliding groove 82, so that the height of the warning board 14 can be conveniently adjusted according to the distance between the inner wall of the top end of the elevator and the elevator door, when the warning board 14 is located above the elevator door, the opening and closing state of the elevator door is detected through the infrared distance measuring sensor 84, when the elevator door is in the opening state, the infrared distance measuring sensor 84 transmits a signal to the controller 11, and then the controller 11 controls the extension of the piston rod of the air cylinder 87, so that the push disc 88 downwardly presses the warning board 14, meanwhile, the two second sliding rods 13 respectively slide on the inner walls of the two second sliding holes 12, and the two return springs 15 are stretched to enable the warning board 14 to be located at the center of the opening door, thereby preventing a homeowner from entering the inside of the elevator to take a ride in the elevator maintenance process.

The working principle is as follows: when the elevator door is in an open state, the infrared distance measuring sensor 84 transmits signals to the controller 11 with the model of YLJ-K-3F-22A when the warning board 14 is positioned above the elevator door, the warning board 14 is driven to rotate by the infrared distance measuring sensor 84 with the model of GP2Y0A710K0F to detect the open and close states of the elevator door, and the elevator door is in the open state, the controller 11 controls the piston rod of the cylinder 87 to extend, so that the push disc 88 presses the warning board 14 downwards, the two second slide bars 13 slide on the inner walls of the two second slide holes 12 respectively, the two return springs 15 stretch to enable the warning board 14 to be positioned at the center of the opened elevator door, and therefore the owner is prevented from entering the elevator to fall and riding in the elevator maintenance process, when the sensing equipment falls off due to the influence of elevator damage, the oscillation of the falling of the sensing equipment on the bottom of the elevator can be effectively reduced through the four second shock absorbers 75, the four first slide bars 73 slide on the inner walls of the four first slide holes 72 respectively, the four first shock absorbers 74 are squeezed by the four first slide bars 73 respectively, and therefore the horizontal stress of the sensing equipment is buffered through the four first shock absorbers 74 and the two rubber buffer pads 77, the protective effect and the service life of the sensing equipment are further improved, meanwhile, the acceleration sensor 6 with the model of CMA3000 transmits signals to the controller 11, and the warning lamp 16 is controlled by the controller 11 to flicker and whistle, so that the warning and maintenance personnel can take corresponding measures in time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an elevator maintenance sensing equipment for protection, includes protective frame (1), its characterized in that, first spout (2), two have all been seted up to the inner wall of protective frame (1) top both sides the equal sliding connection of inner wall of first spout (2) has limiting plate (3), two draw-in groove (4), two have all been seted up to the inner wall of limiting plate (3) bottom draw-in groove (4) between draw-in groove (4) the block is connected with base (5), the fixed acceleration sensor (6) that are equipped with in one side on base (5) top, the inner wall of protective frame (1) is equipped with buffering subassembly (7), one side of protective frame (1) is equipped with protecting component (8), there are apron (10) in the bottom of protective frame (1) through two first bolt (9) fixedly connected with, the fixed controller (11) that is equipped with of opposite side on base (5) top.

2. The sensing apparatus for elevator maintenance protection of claim 1, wherein: buffer unit (7) include four buffering post (71), four first slide opening (72), four first slide bar (73), four first bumper shock absorbers (74), four second bumper shock absorbers (75), backplate (76) and two rubber buffer pads (77), four buffering post (71) are fixed respectively and are set up at the inner wall at protective frame (1) both sides top and the inner wall of both sides bottom, four first slide opening (72) have all been seted up to the inner wall of buffering post (71) one side, four the equal sliding connection of inner wall of first slide opening (72) has first slide bar (73), four one side of first slide opening (72) inner wall all is fixed and is equipped with first bumper shock absorber (74), four first bumper shock absorber (74) respectively with the one end fixed connection of four first slide bar (73), four second bumper shock absorber (75) are fixed respectively and set up the four corners in apron (10) bottom, four fixed backplate (76) are equipped with between second bumper shock absorber (75), two rubber buffer pads (77) are fixed respectively and are set up at the front middle part of protective frame (1) the back and middle part.

3. The sensing apparatus for elevator maintenance protection of claim 1, wherein: protection component (8) include riser (81), second spout (82), remove seat (83), infrared ranging sensor (84), two jib (85), backup pad (86), cylinder (87) and push away set (88), riser (81) are fixed to be set up in one side of protective frame (1), second spout (82) have been seted up to the inner wall of riser (81) one side, the inner wall sliding connection of second spout (82) has and removes seat (83), one side of removing seat (83) is fixed to be equipped with infrared ranging sensor (84), the both sides of removing seat (83) bottom are all fixed and are equipped with jib (85), two the bottom mounting of jib (85) is equipped with backup pad (86), the middle part of backup pad (86) bottom is fixed and is equipped with cylinder (87), the piston rod fixedly connected with of cylinder (87) pushes away set (88), cylinder (87) are through infrared ranging sensor (84) and controller (11) electric connection.

4. The sensing apparatus for elevator maintenance protection of claim 3, wherein: the top end of the inner wall of the second sliding groove (82) is rotatably connected with a connecting screw rod (821) through a bearing, a screw rod nut (822) in threaded connection with the connecting screw rod (821) is fixedly arranged on the inner wall of the moving seat (83), a micro motor (823) is fixedly arranged in the middle of the top end of the vertical plate (81), and a transmission shaft of the micro motor (823) is fixedly connected with the top end of the connecting screw rod (821).

5. The sensing apparatus for elevator maintenance protection according to claim 3, wherein: second slide opening (12), two have all been seted up to the inner wall of backup pad (86) bottom both sides the equal sliding connection of inner wall of second slide opening (12) has second slide bar (13), two the bottom mounting of second slide bar (13) is equipped with warning sign (14), fixed two reset spring (15) that are equipped with between warning sign (14) and backup pad (86).

6. The sensing apparatus for elevator maintenance protection of claim 1, wherein: the top of protective frame (1) opposite side is fixed and is equipped with warning light (16), warning light (16) pass through acceleration sensor (6) and controller (11) electric connection.

7. The sensing apparatus for elevator maintenance protection of claim 4, wherein: the fixed switch panel (17) that is equipped with in bottom of protective frame (1) opposite side, the surface of switch panel (17) is equipped with the micro motor switch, micro motor (823) is through micro motor switch and power electric connection.

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