CN216594068U - Unhooking structure for elevator car falling test - Google Patents

Abstract

The utility model relates to an elevator car drop test's unhook structure, including test bench, car, lifting machine, the top of car is provided with the footstock, the top of footstock is provided with the ejector pin, the outer end of ejector pin is provided with the hook plate, the inside movable mounting of lifting machine has the hoisting cable, the surface movable mounting of hoisting cable has the movable pulley, the surface of movable pulley is provided with the unhook subassembly, the unhook subassembly includes the hanger plate of fixed mounting on the movable pulley surface, the bottom fixed mounting of hanger plate has the butt joint plate. This elevator car falls experimental unhook structure, during the unhook, the restart telescopic link, the telescopic link shrink, and then drive the cuff and shift up, until breaking away from two digging arms, break away from that at the cuff, the cardboard can part automatically under car action of gravity to accomplish the unhook, above-mentioned operation need not the manual work and can realize, the operation degree of difficulty reduces, the security has obtained promoting by a wide margin.

Description

Unhooking structure for elevator car falling test

Technical Field

The utility model relates to an elevator falling test equipment technical field specifically is an elevator car falling test's unhook structure.

Background

The elevator serves a plurality of specific floors in a building, the elevator car is required to be subjected to a falling test before being put into use, the performance of the elevator safety gear is detected, and the unhooking structure is particularly important as one of test parts in the test process.

Current unhook device has and needs the manual work to carry out the unhook operation, and not only troublesome poeration, moreover, still have certain potential safety hazard at the unhook in-process, for this reason the utility model provides an elevator car falls experimental unhook structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an elevator car falls experimental unhook structure possesses easy operation, and advantages such as security height have solved artifical unhook operation troublesome poeration not only, moreover, still have the problem of certain potential safety hazard at the unhook in-process.

For realizing above-mentioned easy operation, the high purpose of security, the utility model provides a following technical scheme: an unhooking structure for an elevator car falling test comprises a test bench, a car and a hoisting machine, wherein the top of the car is provided with a top seat, the top of the top seat is provided with a top rod, the outer end of the top rod is provided with a hook plate, a lifting cable is movably arranged in the lifter, the surface of the lifting cable is movably provided with a movable pulley, the surface of the movable pulley is provided with a unhooking assembly, the unhooking assembly comprises a hanging plate fixedly arranged on the surface of the movable pulley, the bottom of the hanging plate is fixedly provided with a butt joint plate, a movable arm is movably arranged in the butt joint plate, a clamping plate movably connected with the hook plate is fixedly arranged at the bottom of the movable arm, the surface fixed mounting of hanger plate has the telescopic link, the bottom fixed mounting of telescopic link has the cuff with digging arm swing joint, realizes automatic unhook operation through unhook subassembly's use.

Further, the car is located the inside of test bench, and car and test bench sliding connection.

Furthermore, the quantity of footstock is two, and the footstock is connected with the car, and the both ends of ejector pin rotate with footstock and hook plate respectively and are connected, and the inner wall fixed mounting of hook plate has hangs the post of colluding for realize connecting.

Further, the butt joint plate is connected with the movable arm rotation, and the quantity of movable arm is two and respectively in both sides, and connecting block and cardboard fixed connection are passed through to the bottom of movable arm, and the quantity of cardboard is two to form the cooperation.

Furthermore, two the bottom of the opposite side of cardboard is seted up with hanging the top open groove that colludes the post looks adaptation, two the top of the opposite side of cardboard is seted up with hanging the top groove that colludes the post looks adaptation to can install fast and controllable unhook.

Furthermore, the top slot is triangular, the top slot is arc-shaped, the central angle of the top slot is 90 degrees, and the radius of the top slot is equal to that of the hanging hook column.

Further, two equal fixed mounting in one side that the digging arm carried on the back mutually has a limiting plate, two the arc angle has been seted up at the top of digging arm, cuff and digging arm sliding connection, the inner wall of cuff rotate and install the drag reduction steel ball, and the reducing groove has been seted up to the inboard inside of cuff to be favorable to the installation, the equal fixed mounting in both sides of cuff has the curb plate with telescopic link output end fixed connection, corresponds the telescopic link of both sides around promptly.

Compared with the prior art, the utility model provides an elevator car drop test's unhook structure possesses following beneficial effect: when installing, push down two cardboards towards the hook post during the couple, the hook post gets into and backs up two cardboards in the groove, let the hook post get into the groove, then under the extension of telescopic link, it moves down to drive the cuff, the cover is on the digging arm surface, until with the limiting plate contact, can accomplish the couple, restart telescopic link during the unhook, make the telescopic link shrink, and then drive the cuff and shift up, until breaking away from two digging arms, break away from a brake of digging arm at the cuff, the cardboard can parts automatically under car action of gravity, thereby accomplish the unhook operation, above-mentioned unhook operation need not the manual work and can realize, the operational safety has obtained promoting by a wide margin.

Drawings

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

fig. 2 is a schematic partial cross-sectional view of the unhooking assembly of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at A in FIG. 2;

FIG. 4 is a schematic top view of the ferrule of the present invention;

fig. 5 is a schematic side view of the hook plate of the present invention.

In the figure: the device comprises a test bed 1, a car 2, a top seat 3, a top rod 4, a hook plate 5, a hook column 51, a hoisting machine 6, a hoisting cable 7, a movable pulley 8, a hanging plate 9, a butt joint plate 10, a movable arm 11, a limiting plate 111, a connecting block 12, a clamping plate 13, a top groove 131, a top groove 132, a telescopic rod 14, a hoop 15, a drag reduction steel ball 151, a diameter expanding groove 152 and a side plate 153.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, an unhooking structure for an elevator car drop test comprises a test bench 1, a car 2, a hoisting machine 6, and a hoisting cable 7 movably mounted in the hoisting machine 6, and a movable pulley 8 slidably mounted on the surface of the hoisting cable 7.

Footstock 3 is all installed to the both sides at car 2 top, and footstock 3's top is rotated and is installed ejector pin 4, and the one end that two ejector pins 4 are relative all articulates on hook plate 5, and hook plate 5's inner wall fixed mounting has columniform collude post 51, and is provided with on movable pulley 8's surface and colludes post 51 swing joint's unhook subassembly.

Unhooking subassembly includes hanger plate 9 of fixed mounting on 8 surfaces of movable pulley, and hanger plate 9 is whole to be U type suit on top movable pulley 8, and pulley 8 installs in the opening of U type, and hanger plate 9's bottom closed section fixed mounting has butt joint plate 10, and butt joint plate 10's internal rotation installation (articulated) has quantity to be two digging arms 11, and the bottom fixed mounting of digging arm 11 has connecting block 12.

One side that two connecting blocks 12 are relative fixed mounting have with hook 5 swing joint's cardboard 13, and two digging arms 11 rely on gravity to be vertical state under not receiving the external force condition, and further one side fixed mounting that two digging arms 11 are relative has the extension spring (like fig. 2), and two digging arms 11 can be taut each other by the extension spring.

Wherein the bottom of two cardboard 13 opposite sides is seted up with overhead hook post 51 looks adaptation's open groove 131, and open groove 131 is triangle-shaped, and when cardboard 13 pushed down, overhead hook post 51 stretched into open groove 13, and thus along with cardboard 13 continues downwards, overhead hook post 51 will open two cardboard 13 tops and realize articulating.

Meanwhile, the top of the opposite side of the two clamping plates 13 is provided with a top groove 132 matched with the hook column 51, the central angles of the two top grooves 132 are equal, the radius of the top groove 132 is equal to that of the hook column 51, the two top grooves 132 are combined to form a semicircle, and after the hook column 51 jacks the two clamping plates 13, the two clamping plates can fall into the top groove 132.

Next, the telescopic rods 14 (controlled to extend and retract by the external power supply) are fixedly mounted on both the front and back surfaces of the hanger plate 9, the side plates 153 are fixedly mounted on the output ends of the two telescopic rods 14 by welding plates, and the rectangular frame-shaped hoop 15 slidably connected to the movable arm 11 is fixedly mounted on the side opposite to the two side plates 153.

Wherein, the outer interval of two movable arms 11 equals with the interior interval of cuff 15, and the arc angle has been seted up at the top of two movable arms 11, and in order to let cuff 15 embolia movable arm 11 more easily, all rotate at the inner wall of cuff 15 and install drag reduction steel ball 151 to the inside at cuff 15 inboard has seted up the reducing groove 152.

When the telescopic rod 14 extends downwards, the drag reduction steel balls 151 on the inner wall of the hoop 15 are in contact with the two movable arms 11, so that the hoop 15 can be more easily sleeved on the outer sides of the two movable arms 11. In order to prevent the ferrule 15 from covering the movable arm 11, a limiting plate 111 is fixedly mounted on each of the two opposite sides of the movable arms 11.

This embodiment is used: firstly, carrying out hanging operation, pressing the two clamping plates 13 downwards towards the hanging hook column 51 at the moment, enabling the hanging hook column 51 to enter the top groove 131 until the two clamping plates 13 are pushed open, enabling the hanging hook column 51 to enter the top groove 132, then driving the hoop 15 to move downwards under the extension of the telescopic rod 14, sleeving the hoop on the surface of the movable arm 11 until the hoop is contacted with the limiting plate 111, and completing hanging;

when unhooking, start telescopic link 14 again, make telescopic link 14 shrink, and then drive cuff 15 and move up, until breaking away from two digging arms 11, break away from the one that digging arm 11 at cuff 15, cardboard 13 can be automatic under the effect of the gravity of car 2 and part, can accomplish the unhooking operation.

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 (8)

1. The utility model provides an elevator car falls experimental unhook structure, includes test rack (1), car (2), lifting machine (6), the inside movable mounting of lifting machine (6) has hoisting cable (7), the surface movable mounting that promotes cable (7) has movable pulley (8), its characterized in that: the top of the lift car (2) is provided with a top seat (3), the top of the top seat (3) is provided with a top rod (4), the other end of the top rod (4) is provided with a hook plate (5), and the surface of the movable pulley (8) is provided with a unhooking assembly;

unhook subassembly includes hanger plate (9) on fixed mounting movable pulley (8) surface, the bottom fixed mounting of hanger plate (9) has butt-joint plate (10), the inside movable mounting of butt-joint plate (10) has digging arm (11), the bottom fixed mounting of digging arm (11) has cardboard (13) with hook plate (5) swing joint, the fixed surface of hanger plate (9) installs telescopic link (14), the bottom fixed mounting of telescopic link (14) has cuff (15) with digging arm (11) swing joint.

2. The unhooking structure for the elevator car falling test according to claim 1, wherein: the car (2) is located inside the test bench (1), and the car (2) is connected with the test bench (1) in a sliding mode.

3. The unhooking structure for the elevator car falling test according to claim 1, wherein: the quantity of footstock (3) is two, and footstock (3) are connected with car (2), and the both ends of ejector pin (4) rotate with footstock (3) and hook plate (5) respectively and are connected, and the inner wall fixed mounting of hook plate (5) hangs and colludes post (51).

4. The unhooking structure for the elevator car falling test according to claim 1, wherein: the butt joint plate (10) is rotatably connected with the movable arms (11), the number of the movable arms (11) is two, the bottoms of the movable arms (11) are fixedly connected with the clamping plates (13) through connecting blocks (12), and the number of the clamping plates (13) is two.

5. The unhooking structure for the elevator car falling test according to claim 3, wherein: the bottom of one side opposite to the two clamping plates (13) is provided with a top open groove (131) matched with the hook column (51), and the top of one side opposite to the two clamping plates (13) is provided with a top groove (132) matched with the hook column (51).

6. The unhooking structure for the elevator car falling test according to claim 5, wherein: the top slot (131) is triangular, the top slot (132) is arc-shaped, the central angle of the top slot (132) is 90 degrees, and the radius of the top slot (132) is equal to that of the hook column (51).

7. The unhooking structure for the elevator car falling test according to claim 1, wherein: two equal fixed mounting in one side that digging arm (11) carried on the back mutually has limiting plate (111), two the arc angle has been seted up at the top of digging arm (11).

8. The unhooking structure for the elevator car falling test according to claim 1, wherein: the hoop (15) is connected with the movable arm (11) in a sliding mode, the drag reduction steel balls (151) are installed on the inner wall of the hoop (15) in a rotating mode, the inside of the inner side of the hoop (15) is provided with a diameter expansion groove (152), and side plates (153) fixedly connected with the output end of the telescopic rod (14) are fixedly installed on the two sides of the hoop (15).

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