CN217304691U

CN217304691U - Elevator door mechanical strength inspection device

Info

Publication number: CN217304691U
Application number: CN202220877599.7U
Authority: CN
Inventors: 李冬; 辛现波
Original assignee: Jining Special Equipment Inspection and Research Institute
Current assignee: Jining Special Equipment Inspection and Research Institute
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-26
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a mechanical strength testing device for elevator door, which comprises a test bench, a lead screw adjusting mechanism, a hydraulic telescopic rod, a lower pressure head and a pressure sensor, wherein channel steel and guide wheels are arranged, the guide wheels are arranged in the channel steel at equal intervals, when in test, a person can insert the elevator door to be tested into the channel steel from one end of the channel steel, the elevator door can be easily pushed into the channel steel for test under the drive of the guide wheels, after the test is finished, the person can easily take out the elevator door from the test bench, thereby accelerating the test speed of the elevator door assembly line, saving time and labor in operation, and through the arrangement of the lead screw adjusting mechanism, the two channel steel and the guide wheels can be driven to relatively or oppositely move on the test bench by operating the lead screw adjusting mechanism, thereby realizing the adjustment of the interval between the two channel steel, thereby meeting the test requirements of elevator doors with various sizes, make the utility model discloses an application scope is wider, and the practicality is stronger.

Description

Elevator door mechanical strength inspection device

Technical Field

The utility model relates to an elevator detection technical field that dispatches from the factory specifically is an elevator door mechanical strength verifying attachment.

Background

The elevator is a main vertical transportation tool of a multi-story and high-rise building, is also provided with a fire-fighting function besides being used for passenger and goods transportation at ordinary times, is more and more popular with the improvement of living standard of people, people pay more and more attention to the safety of the elevator, the delivery inspection of the elevator is an important measure for ensuring the safety of the elevator, the elevator door is an important component of the elevator, and the mechanical strength inspection of the elevator door is generally required before delivery, but the existing mechanical strength inspection device of the elevator door has the following defects;

1. current lift-cabin door mechanical strength verifying attachment is inconvenient when using to treat that the inspection lift-cabin door carries, treats that the inspection lift-cabin door often needs machinery hoist and mount or many people carry to the checkout stand on, and the operation is wasted time and energy, and is dangerous high.

2. The existing elevator door can also change according to different sizes of electromagnetic loads, the mechanical strength inspection device is inconvenient to flexibly adjust according to the size of the elevator door, the application range is narrow, and the adaptability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator door mechanical strength verifying attachment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an elevator door mechanical strength verifying attachment, includes checkout stand, lead screw adjustment mechanism, hydraulic telescoping rod, lower pressure head and pressure sensor, four landing legs are installed to the bottom of checkout stand, lead screw adjustment mechanism is installed to the centre of checkout stand, install two slides on the lead screw adjustment mechanism, the spout has been seted up at both ends around the slide, the slide rail is all installed to the front and back portion of checkout stand, the slide passes through spout and both sides slide rail sliding connection, two the channel-section steel is installed to the symmetry on the slide, the leading wheel is installed to equidistant backward in the past in the channel-section steel, install the frame on the checkout stand, hydraulic telescoping rod is installed to the positive middle position in top of frame, pressure head down is installed to hydraulic telescoping rod's bottom, install pressure sensor in the pressure head down.

As a further aspect of the present invention: the screw rod adjusting mechanism comprises a bidirectional screw rod, screw rod bearings, screw rod nuts, an adjusting handle and nut fixing seats, one end of the bidirectional screw rod is rotatably connected with the screw rod bearings installed on the inner wall of one side of the inspection bench, the other end of the bidirectional screw rod is directly connected with the adjusting handle installed on the side wall of the other side of the inspection bench, the bidirectional screw rod is provided with the two screw rod nuts, the two screw rod nuts are provided with the nut fixing seats, and the two nut fixing seats are fixedly connected with the two sliding plates respectively.

As a further aspect of the present invention: the lower pressing head comprises a lower pressing plate, an upper pressing plate and limiting rods, four limiting rods are arranged between the lower pressing plate and the upper pressing plate, the bottom ends of the limiting rods are fixedly connected with the lower pressing plate, the upper pressing plate is provided with limiting holes just corresponding to the four limiting rods, the limiting rods are movably inserted into the limiting holes, the pressure sensor is installed at the upper end of the lower pressing plate, and the upper pressing plate is fixedly connected with the bottom end of the hydraulic telescopic rod.

As the utility model discloses further scheme again: the top end of the limiting rod is provided with a limiting head, and the size of the limiting head is larger than that of the limiting hole.

As the utility model discloses further scheme again: the hydraulic pump is installed at the top of the rack, the hydraulic pump is connected with the hydraulic telescopic rod through a hydraulic oil pipe, a switch is installed on the other side of the front portion of the rack, and the switch is electrically connected with the hydraulic pump.

As the utility model discloses further scheme again: the display is installed to the anterior one side of frame, pressure sensor passes through wire and display electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up channel-section steel and leading wheel, the equidistant installation of leading wheel is in the channel-section steel of both sides, during the inspection, in the personnel can insert the channel-section steel from the one end of channel-section steel to wait to detect the lift-cabin door, and the lift-cabin door can be pushed easily and examine in the channel-section steel under the drive of leading wheel, and after the inspection, personnel can take out the lift-cabin door from the checkout stand easily to can accelerate lift-cabin door assembly line inspection speed, operation labour saving and time saving.

2. The utility model discloses a set up lead screw adjustment mechanism, can drive two channel-section steels and leading wheel relative or back-to-back motion on the checkout stand through operation lead screw adjustment mechanism to can realize the regulation to interval between two channel-section steels, thereby can satisfy the inspection needs of multiple size lift-cabin door, make the utility model discloses an application scope is wider, and the practicality is stronger.

Drawings

Fig. 1 is a schematic view of the overall structure of an elevator door mechanical strength inspection device.

Fig. 2 is a partial structural view of an elevator door mechanical strength testing apparatus.

Fig. 3 is a sectional view showing the structure of a lower ram of the elevator door mechanical strength verifying apparatus of fig. 1.

1. An inspection bench; 2. a support leg; 3. a screw rod adjusting mechanism; 301. a bidirectional screw rod; 302. a screw bearing; 303. a feed screw nut; 304. adjusting the handle; 305. a nut fixing seat; 4. a slide plate; 5. a slide rail; 6. channel steel; 7. a guide wheel; 8. a frame; 9. a hydraulic telescopic rod; 10. a lower pressure head; 1001. pressing the plate downwards; 1002. an upper pressure plate; 1003. a limiting rod; 1004. a limiting head; 1005. a limiting hole; 11. a display; 12. a switch; 13. a hydraulic pump; 14. a pressure sensor.

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 to 3, in the embodiment of the present invention, an elevator door mechanical strength testing apparatus includes a testing platform 1, a screw rod adjusting mechanism 3, hydraulic telescoping rod 9, lower pressure head 10 and pressure sensor 14, four landing legs 2 are installed to the bottom of checkout stand 1, lead screw adjustment mechanism 3 is installed to the centre of checkout stand 1, install two slides 4 on the lead screw adjustment mechanism 3, the spout has been seted up at both ends around slide 4, slide rail 5 is all installed to the front and back portion of checkout stand 1, slide 4 passes through spout and 5 sliding connection of both sides slide rail, channel-section steel 6 is installed to the symmetry on two slides 4, leading wheel 7 is installed to equidistant backward in the past in the channel-section steel 6, install frame 8 on the checkout stand 1, hydraulic telescoping rod 9 is installed to the positive middle position in top of frame 8, pressure head 10 is installed down to hydraulic telescoping rod 9's bottom, install pressure sensor 14 in the pressure head 10 down.

The screw rod adjusting mechanism 3 comprises a bidirectional screw rod 301, a screw rod bearing 302, a screw rod nut 303, an adjusting handle 304 and a nut fixing seat 305, one end of the bidirectional screw rod 301 is rotatably connected with the screw rod bearing 302 arranged on the inner wall of one side of the inspection bench 1, the other end of the bidirectional screw rod 301 is directly connected with the adjusting handle 304 arranged on the side wall of the other side of the inspection bench 1, two screw rod nuts 303 are arranged on the bidirectional screw rod 301, the nut fixing seat 305 is arranged on the two screw rod nuts 303, and the two nut fixing seats 305 and the two sliding plates 4 are fixedly connected respectively.

The lower pressure head 10 comprises a lower pressure plate 1001, an upper pressure plate 1002 and limiting rods 1003, four limiting rods 1003 are arranged between the lower pressure plate 1001 and the upper pressure plate 1002, the bottom end of the limiting rods 1003 is fixedly connected with the lower pressure plate 1001, limiting holes 1005 are formed in the positions, just corresponding to the four limiting rods 1003, of the upper pressure plate 1002, the limiting rods 1003 are movably inserted into the limiting holes 1005, a pressure sensor 14 is installed at the upper end of the lower pressure plate 1001, and the upper pressure plate 1002 is fixedly connected with the bottom end of a hydraulic telescopic rod 9.

The top end of the spacing rod 1003 is provided with a spacing head 1004, the size of the spacing head 1004 is larger than the spacing hole 1005, and the spacing rod 1003 can be prevented from being separated from the spacing hole 1005 by the arrangement of the spacing head 1004, so that the upper pressing plate 1002 and the lower pressing plate 1001 are prevented from being separated.

Hydraulic pump 13 is installed at the top of frame 8, and hydraulic pump 13 passes through hydraulic oil pipe with hydraulic telescoping rod 9 and is connected, and switch 12 is installed to the anterior opposite side of frame 8, switch 12 and hydraulic pump 13 electric connection, switch 12 and external power source electric connection.

A display 11 is installed on one side of the front portion of the rack 8, the pressure sensor 14 is electrically connected with the display 11 through a lead, and the pressure sensor 14 and the display 11 are both electrically connected with an external power supply.

The utility model discloses a theory of operation is:

when the elevator door is used, the distance between the channel steels 6 at two sides is adjusted according to the width of the elevator door, when the elevator door is adjusted, the adjusting handle 304 is held by a hand and rotates, the two-way screw rod 301 is driven by the adjusting handle 304 to rotate, the two screw rod nuts 303 on the two-way screw rod 301 can drive the sliding plate 4 to move oppositely or oppositely along the two-way screw rod 301, the two channel steels 6 are driven by the two sliding plates 4 to be far away or close to each other to realize the distance adjustment, then one end of the elevator door is slowly pushed into the channel steels 6 at two sides, the elevator door is completely moved into the channel steels 6 at two sides under the driving of the guide wheel 7, then the hydraulic pump 13 is started through the switch 12, the hydraulic telescopic rod 9 is driven by the hydraulic pump 13 to extend downwards to drive the lower pressure head 10 to be pressed on the elevator door, the pressure is automatically monitored through the pressure sensor 14 and displayed in real time through the display 11, when the qualified pressure value is reached, the inspection is stopped, whether the elevator door is judged through detecting whether the elevator door is qualified or the deformation degree, after the inspection is finished, the elevator door is pushed towards the initial conveying direction continuously until the elevator door is completely moved out of the inspection platform 1, and then the new elevator door is inspected according to the operation mode.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an elevator door mechanical strength verifying attachment, includes checkout stand (1), lead screw adjustment mechanism (3), hydraulic telescoping rod (9), pressure head (10) and pressure sensor (14) down, its characterized in that: the bottom of the inspection table (1) is provided with four supporting legs (2), the middle of the inspection table (1) is provided with a screw rod adjusting mechanism (3), two sliding plates (4) are arranged on the screw rod adjusting mechanism (3), sliding grooves are arranged at the front end and the rear end of each sliding plate (4), the front and the rear parts of the inspection bench (1) are respectively provided with a slide rail (5), the slide plates (4) are connected with the slide rails (5) at two sides in a sliding way through slide grooves, channel steel (6) are symmetrically arranged on the two slide plates (4), guide wheels (7) are arranged in the channel steel (6) at equal intervals from front to back, a rack (8) is arranged on the inspection bench (1), a hydraulic telescopic rod (9) is arranged in the middle of the top of the rack (8), the bottom of hydraulic telescoping rod (9) is installed down pressure head (10), install pressure sensor (14) in pressure head (10) down.

2. The mechanical strength inspection device for elevator doors according to claim 1, wherein: the screw rod adjusting mechanism (3) comprises a bidirectional screw rod (301), a screw rod bearing (302), a screw rod nut (303), an adjusting handle (304) and a nut fixing seat (305), one end of the bidirectional screw rod (301) is rotatably connected with the screw rod bearing (302) installed on the inner wall of one side of the inspection platform (1), the other end of the bidirectional screw rod (301) is directly connected with the adjusting handle (304) installed on the side wall of the other side of the inspection platform (1), two screw rod nuts (303) are installed on the bidirectional screw rod (301), the nut fixing seat (305) is installed on each screw rod nut (303), and the nut fixing seat (305) is fixedly connected with the two sliding plates (4) respectively.

3. The mechanical strength inspection device for elevator doors according to claim 1, wherein: the lower pressing head (10) comprises a lower pressing plate (1001), an upper pressing plate (1002) and limiting rods (1003), four limiting rods (1003) are arranged between the lower pressing plate (1001) and the upper pressing plate (1002), the bottom end of each limiting rod (1003) is fixedly connected with the lower pressing plate (1001), limiting holes (1005) are formed in the positions of the upper pressing plate (1002) opposite to the four limiting rods (1003), the limiting rods (1003) movably penetrate through the limiting holes (1005), the pressure sensor (14) is installed at the upper end of the lower pressing plate (1001), and the upper pressing plate (1002) is fixedly connected with the bottom end of the hydraulic telescopic rod (9).

4. The elevator door mechanical strength testing apparatus according to claim 3, wherein: the top end of the limiting rod (1003) is provided with a limiting head (1004), and the size of the limiting head (1004) is larger than that of the limiting hole (1005).

5. The mechanical strength inspection device for elevator doors according to claim 1, wherein: hydraulic pump (13) are installed at the top of frame (8), hydraulic pump (13) are connected through hydraulic pressure oil pipe with hydraulic telescoping rod (9), switch (12) are installed to the anterior opposite side of frame (8), switch (12) and hydraulic pump (13) electric connection.

6. The mechanical strength inspection device for elevator doors according to claim 1, wherein: display (11) are installed to the anterior one side of frame (8), pressure sensor (14) pass through wire and display (11) electric connection.