CN219608659U

CN219608659U - Elevator door plate impact experimental device

Info

Publication number: CN219608659U
Application number: CN202320346865.8U
Authority: CN
Inventors: 方东辉; 胡斌; 王飞锋; 陈烟濛; 苗盼锋
Original assignee: Ningbo Format Elevator Co ltd
Current assignee: Ningbo Format Elevator Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-08-29
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses an elevator door plate impact experimental device which is characterized by comprising a base, wherein a vertical door frame is arranged on the base, a cross beam is fixed at the upper end of the door frame, the cross beam is vertically arranged relative to the door frame, a first steel wire rope is hung on the cross beam, a pendulum bob which impacts towards the door frame is arranged at one end of the first steel wire rope, and a first rope coiling device is connected at the other end of the first steel wire rope; the cross beam is provided with a second steel wire rope, one end of the second steel wire rope is provided with a unhooking clamp, the unhooking clamp hooks a pull rope, two ends of the pull rope are fixed on the pendulum bob, and the other end of the second steel wire rope is connected with a second rope coiling device; the beam is provided with a first pressing plate for pressing and positioning the first steel wire rope, and the first pressing plate is fixed on the beam through screws; the crossbeam is equipped with pressfitting location second wire rope's second clamp plate, and the second clamp plate passes through the fix with screw at the crossbeam for elevator door plant striking data detects the accurate effective promotion.

Description

Elevator door plate impact experimental device

Technical Field

The utility model relates to elevator detection equipment, in particular to an elevator door plate impact experimental device.

Background

The novel GB7588.1.2 provides anti-collision requirements for elevator landing doors and car doors of a passenger elevator, the conventional elevator door plate collision test equipment is characterized in that the elevator door plate is generally directly placed on a wall surface or on a support, a pendulum is utilized to perform collision experiments on the elevator door plate, and workers are required to manually adjust the position of the pendulum again after each collision, because the pendulum is manually released, the collision force is not well controlled, the obtained elevator door plate has larger stress data error, and effective parameters cannot be obtained.

Disclosure of Invention

The utility model aims to provide an elevator door plate impact experimental device, so that the detection accuracy of elevator door plate impact data is effectively improved.

The technical aim of the utility model is realized by the following technical scheme:

the elevator door plate impact experimental device comprises a base, wherein a vertical door frame is arranged on the base, a cross beam is fixed at the upper end of the door frame, the cross beam is vertically arranged relative to the door frame, a first steel wire rope is hung on the cross beam, a pendulum bob which impacts towards the door frame is arranged at one end of the first steel wire rope, and a first rope coiling device is connected at the other end of the first steel wire rope; the cross beam is provided with a second steel wire rope, one end of the second steel wire rope is provided with a unhooking clamp, the unhooking clamp hooks a pull rope, two ends of the pull rope are fixed on the pendulum bob, and the other end of the second steel wire rope is connected with a second rope coiling device; the beam is provided with a first pressing plate for pressing and positioning the first steel wire rope, and the first pressing plate is fixed on the beam through screws; the beam is provided with a second pressing plate for pressing and positioning the second steel wire rope, and the second pressing plate is fixed on the beam through screws.

Preferably, the unhooking clamp comprises a left buckling strip and a right buckling strip which are elastically hinged, and the front ends of the left buckling strip and the right buckling strip are abutted to form a buckling ring for hooking and fixing a pull rope; the rear end of the left buckling strip is provided with an inserting hole, and the rear end of the right buckling strip is inserted into the inserting hole to form a buckling ring for hooking and fixing the second steel wire rope; when the rear ends of the left buckling strip and the right buckling strip are pressed, the unhooking clamp and the pull rope are unlocked.

Preferably, the door frame comprises a transversely fixed stiffening beam.

Preferably, an inclined strut is fixed between the base and the door frame, and the inclined strut and the pendulum bob are positioned on two sides of the door frame.

Preferably, one end of the cross beam is vertically fixed with a front upright post downwards, and the second rope coiling device is arranged at the lower end of the front upright post; the other end of the cross beam is vertically fixed with a rear upright post downwards, and the first rope coiling device is arranged at the lower end of the rear upright post.

Preferably, friction teeth are arranged on one surface of the first pressing plate, which faces the first steel wire rope; the same friction teeth are also arranged on the surface of the second pressing plate facing the second steel wire rope.

Preferably, the door frame comprises an upper beam and a lower beam, and 2 vertical beams are fixed between the upper beam and the lower beam.

In summary, the utility model has the following beneficial effects:

(1) The unhooking clamp is used for releasing the soft pendulum bob to replace the existing manual pendulum bob release, so that the impact force of the soft pendulum bob on the elevator door plate each time can be kept consistent, the obtained elevator door plate stress data are more accurate, the structure is simple and easy to operate, and the electric equipment with high failure rate and high price is not adopted, so that the cost is low.

(2) Unhooking clamp can be convenient for staff to press and loosen the stay cord for staff can't directly exert external force to the pendulum, reduces the external force interference to the pendulum, makes the pendulum detection effect more accurate.

(3) The height of the pendulum bob can be adjusted through the two rope coiling devices, so that the swing force of the pendulum bob can be adjusted, the adjusted first steel wire rope and second steel wire rope can be fixed through pressing of the pressing plate, the steel wire ropes are prevented from sliding, the external force of the pendulum bob during impact is stable, and the pendulum bob detection effect is more accurate.

(4) The friction teeth of the first pressing plate and the second pressing plate enable the steel wire rope to be pressed and positioned more stably.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

FIG. 2 is a schematic diagram of a second embodiment;

FIG. 3 is a schematic view of the structure of the unhooking clip in the embodiment;

fig. 4 is an exploded view of a screw and a first platen in an embodiment.

In the figure:

1. a base;

2. a door frame; 21. a girder is arranged; 22. a lower beam; 23. a vertical beam;

31. a stiffening beam; 32. a diagonal brace;

41. a cross beam; 42. a front upright; 43. a rear pillar;

51. a first wire rope; 52. a first rope winder; 53. a pendulum; 531. a pull rope;

61. a second wire rope; 62. a second rope winder;

71. a first platen; 72. a second pressing plate; 73. friction teeth;

8. unhooking the clip; 81. a left buckling strip; 82. a right buckling strip; 83. a jack; 84. a rotating shaft;

91. a screw; 92. a diverting pulley;

101. and (5) a door plate.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

An embodiment, an elevator door plate impact experimental device, referring to fig. 1-4, comprises a base 1, wherein the base 1 is a square metal frame, and the base 1 is horizontally placed on the ground; install vertical door frame 2 on the base 1, door frame 2 and base 1 pass through screw 91 to be fixed, the dismantlement and the transport of both of base 1 and door frame 2 of being convenient for.

The door frame 2 is also a metal frame, the door frame 2 comprises an upper beam 21 and a lower beam 22, and 2 vertical beams 23 are fixed between the upper beam 21 and the lower beam 22; the upper beam 21, the lower beam 22 and the 2 vertical beams 23 are fixedly connected by screws 91.

The door frame 2 includes a reinforcing beam 31 fixed laterally. The reinforcing beam 31 is fixed between the two vertical beams 23, and the reinforcing beam 31 serves the purpose of increasing the overall structural strength of the door frame 2.

And inclined stay bars 32 are fixed between the base 1 and the door frame 2, the inclined stay bars 32 and the pendulum bobs 53 are positioned on two sides of the door frame 2, two inclined stay bars 32 are arranged, and the two inclined stay bars 32 are respectively fixed on the bottom frame and the vertical beams 23. The diagonal brace 32 serves the purpose of increasing the overall structural strength of the door frame 2.

An elevator door upper sill and an elevator door sill are installed in the door frame 2 so that the elevator door panel 101 can be directly installed in the door frame 2.

A cross beam 41 is fixed on the upper surface of the upper beam 21, and the cross beam 41 is vertically arranged relative to the door frame 2;

a front upright 42 is vertically fixed downward at one end of the cross beam 41, diverting pulleys 92 are mounted on the cross beam 41 and the front upright 42, and the second wire rope 61 is hung at the cross beam 41 and the front upright 42 through the diverting pulleys 92. One end of the second steel wire rope 61 is provided with a unhooking clamp 8, the unhooking clamp 8 hooks an inherent pull rope 531, two ends of the pull rope 531 are fixed on the pendulum 53, and the other end of the second steel wire rope 61 is connected with a second rope coiling device 62; a second rope reel 62 is mounted to the lower end of the front pillar 42.

The other end of the cross beam 41 is vertically fixed with a rear upright 43 downwards, the cross beam 41 and the rear upright 43 are also provided with a diverting pulley 92, and the first steel wire rope 51 is hung at the cross beam 41 and the rear upright 43 through the diverting pulley 92. One end of the first steel wire rope 51 is provided with a pendulum 53 which impacts towards the door frame 2, and the other end of the first steel wire rope 51 is connected with a first rope coiling device 52; the first rope reel 52 is mounted at the lower end of the rear pillar 43.

It is apparent that the first wire rope 51 fixes the pendulum 53, the released pendulum 53 swings under gravity to strike the door panel 101, and the unhooking clip 8 of the second wire rope 61 controls whether to release the pendulum 53.

The beam 41 is provided with a first pressing plate 71 for pressing and positioning the first steel wire rope 51, and the first pressing plate 71 is fixed on the beam 41 through a screw 91; the first pressing plate 71 presses the first wire rope 51 so that the first wire rope 51 does not freely slide; the first presser plate 71 is fixed to the rear pillar 43 by screws 91, and the first presser plate 71 and the rear pillar 43 clamp and fix the first wire rope 51.

The beam 41 is provided with a second pressing plate 72 for pressing and positioning the second steel wire rope 61, and the second pressing plate 72 is fixed on the beam 41 through a screw 91; the second pressing plate 72 presses the second wire rope 61 so that the second wire rope 61 does not freely slide; the second pressing plate 72 is fixed to the front pillar 42 by a screw 91, and the second pressing plate 72 and the front pillar 42 clamp and fix the second wire rope 61.

The first pressing plate 71 and the second pressing plate 72 have the same structure, and friction teeth 73 are arranged on one surface of the first pressing plate 71 facing the first steel wire rope 51; the second presser 72 is also provided with similar friction teeth 73 on the side facing the second wire rope 61.

The unhooking clamp 8 is a unhooking device, and the unhooking clamp 8 comprises a left buckling strip 81 and a right buckling strip 82 which are elastically hinged, wherein the left buckling strip 81 and the right buckling strip 82 rotate through a rotating shaft 84, and the rotating shaft 84 is used as a boundary to serve as front and rear ends. A torsion spring is arranged in the unhooking clamp 8, the torsion spring is sleeved on the rotating shaft 84, and two ends of the torsion spring respectively prop against the left buckling strip 81 and the right buckling strip 82; the spring force of the torsion spring keeps the unhooking clamp 8 in its closed state as in fig. 3.

Referring to fig. 2 and 3, the front ends of the fastening strips and the right fastening strip 82 abut to form a fastening ring for hooking the pull rope 531; the rear end of the left buckling strip 81 is provided with an inserting hole 83, and the rear end of the right buckling strip 82 is inserted into the inserting hole 83 to form a buckling ring for hooking the second steel wire rope 61; when the rear ends of both the left and right clip strips 81 and 82 are pressed, the unhook clip 8 and the draw cord 531 are unlocked.

The unhooking clamp 8 has the advantage that when the snap ring of the hooking pull rope 531 is opened, the rear part is locked when the snap ring of the second steel wire rope 61 is hooked, and the situation that both ends are simultaneously unhooked is not caused.

Working principle:

the elevator door panel 101 impact experimental process is performed: firstly, an elevator door plate 101 is installed in a test device, a pendulum 53 is a soft pendulum 53, and the pendulum 53 is hung in front of the elevator door plate 101; then the pendulum bob 53 tightens the steel wire rope through the steel wire rope on the side face, the unhook clamp 8 and the hanging hook by using a second rope coiling device 62 arranged on the front upright post 42, and pulls the pendulum bob 53 to a position meeting the national standard requirement of the impact test of the elevator door plate 101; finally, the unhooking clamp 8 is operated to release the soft pendulum bob 53, the soft pendulum bob 53 naturally falls down, and the impact on the elevator door plate 101 is completed

The utility model adopts the unhooking device to release the soft pendulum bob 53 instead of the traditional manual release of the soft pendulum bob 53, can keep the impact force of the soft pendulum bob 53 on the elevator door plate 101 consistent each time, obtains more accurate stress data of the elevator door plate 101, and has simple structure, easy operation and low cost.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides an elevator door plant striking experimental apparatus, includes base (1), installs vertical door frame (2), characterized by on base (1): the upper end of the door frame (2) is fixedly provided with a cross beam (41), the cross beam (41) is vertically arranged relative to the door frame (2), the cross beam (41) is hung with a first steel wire rope (51), one end of the first steel wire rope (51) is provided with a pendulum (53) which is impacted towards the door frame (2), and the other end of the first steel wire rope (51) is connected with a first rope coiling device (52);

the beam (41) is provided with a second steel wire rope (61), one end of the second steel wire rope (61) is provided with a unhooking clamp (8), the unhooking clamp (8) hooks an inherent pull rope (531), two ends of the pull rope (531) are fixed on the pendulum bob (53), and the other end of the second steel wire rope (61) is connected with a second rope coiling device (62);

the beam (41) is provided with a first pressing plate (71) for pressing and positioning the first steel wire rope (51), and the first pressing plate (71) is fixed on the beam (41) through a screw (91);

the beam (41) is provided with a second pressing plate (72) for pressing and positioning the second steel wire rope (61), and the second pressing plate (72) is fixed on the beam (41) through screws (91).

2. The elevator door panel impact experimental device of claim 1, wherein: the unhooking clamp (8) comprises a left buckling strip (81) and a right buckling strip (82) which are elastically hinged, and the front ends of the left buckling strip (81) and the right buckling strip (82) are abutted to form a buckling ring for hooking and fixing a pull rope (531);

the rear end of the left buckling strip (81) is provided with an inserting hole (83), and the rear end of the right buckling strip (82) is inserted into the inserting hole (83) to form a buckling ring for hooking the second steel wire rope (61);

when the rear ends of the left buckling strip (81) and the right buckling strip (82) are pressed, the unhooking clamp (8) and the pull rope (531) are unlocked.

3. The elevator door panel impact experimental device of claim 1, wherein: the door frame (2) comprises a transversely fixed stiffening beam (31).

4. The elevator door panel impact experimental device of claim 1, wherein: an inclined strut (32) is fixed between the base (1) and the door frame (2), and the inclined strut (32) and the pendulum bob (53) are positioned on two sides of the door frame (2).

5. The elevator door panel impact experimental device of claim 1, wherein: a front upright post (42) is vertically fixed downwards at one end of the cross beam (41), and a second rope coiling device (62) is arranged at the lower end of the front upright post (42);

the other end of the cross beam (41) is vertically fixed with a rear upright post (43) downwards, and a first rope coiling device (52) is arranged at the lower end of the rear upright post (43).

6. The elevator door panel collision experiment apparatus of claim 5, wherein: one surface of the first pressing plate (71) facing the first steel wire rope (51) is provided with friction teeth (73); the second pressing plate (72) is also provided with the same friction teeth (73) on the surface facing the second steel wire rope (61).

7. The elevator door panel impact experimental device of claim 1, wherein: the door frame (2) comprises an upper beam (21) and a lower beam (22), and 2 vertical beams (23) are fixed between the upper beam (21) and the lower beam (22).