Elevator door gap detection device

Abstract

The invention discloses an elevator door gap detection device which comprises two opening frame bodies and a threaded rod. The two opening frame bodies are symmetrically arranged and are in relative sliding connection through a plurality of connecting rods; a detection part is arranged on the front side face of each opening frame body, and an opening groove is formed in the other face, opposite to the detection parts, of each opening frame body; the two ends of the distraction rod are in sliding connection with the two distraction frame bodies respectively; the threaded rod is in threaded connection with the distraction rod, and a distraction part is arranged at the end, close to the distraction groove, of the threaded rod; the two detection parts are inserted into a gap of an elevator door; the opening part is used for being matched with the two opening grooves and driving the two detection parts to open the gap of the elevator door. The two elevator doors are opened through the two detection parts, at the moment, the spring is compressed, the force meter detects the compressed force of the spring, the pressure borne by the spring is adjusted by adjusting the depth, inserted into the opening groove, of the opening part and adjusting the displacement between the two opening frame bodies, and then the force used for opening the two elevator doors can be adjusted.

Description

Technical Field

[0001] The present invention relates to the field of elevator inspection and detection, and in particular to an elevator door gap detection device. Background Art

[0002] The existing safety technical specifications require that during the inspection and testing of elevator car doors, the two doors of the elevator need to be pried apart with a certain force to test the door gap and measure whether the gap after the doors are closed meets the following requirements: (1) The gap between the door leaves and between the door leaves and the columns, door lintels and sills for passenger elevators shall not exceed 6mm; for freight elevators, not exceed 10mm; (2) In the opening direction of the fastest door leaves of horizontal sliding and folding floor doors, a force of 150N is applied at the most unfavorable point. The gap described in item (2) of this article shall not exceed 30mm for side-opening doors and greater than 45mm for center-opening doors. However, in actual operation, people often need to manually pry the doors apart, which is not only unsafe, but also the force required to pry the doors apart cannot be guaranteed, affecting the effectiveness of inspection and testing.

[0003] Therefore, a device for detecting the gap of an elevator door is needed to solve the above problems. Summary of the Invention

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] An elevator door gap detection device includes two expansion frames and a threaded rod; the two expansion frames are symmetrically arranged and connected to each other in a relatively slidable manner through a plurality of connecting rods; a detection portion is provided on the front side of each expansion frame, and a expansion slot is provided on the other side of the expansion frame opposite to the detection portion; both ends of the expansion rod are respectively slidably connected to the two expansion frames; the threaded rod is threadedly connected to the expansion rod, and a expansion portion is provided on the end of the threaded rod close to the expansion slot; the two detection portions are used to be inserted into the gap of the elevator door; the expansion portion is used to cooperate with the two expansion slots to drive the two detection portions to expand the gap of the elevator door.

[0006] Preferably, a knob is provided at the other end of the threaded rod.

[0007] Preferably, the support frame is an L-shaped plate structure.

[0008] Preferably, the elevator door gap detection device also includes a first sliding rod; one end of the first sliding rod is fixedly connected to one of the support frames, the first sliding rod is slidably connected to the other support frame, and a scale is provided on the first sliding rod, and the scale on the first sliding rod is used to measure the displacement distance between the two support frames.

[0009] Furthermore, one end of the first sliding rod is vertically connected to the inner side wall of one of the open frames, and the other end passes through the other open frame.

[0010] Preferably, the elevator door gap detection device also includes a force measuring rod, one end of which is fixedly connected to one of the support frames, and the force measuring rod is slidably connected to the other support frame. A dynamometer is provided at one end of the force measuring rod, and a spring is provided between the dynamometer and the corresponding support frame. The spring is sleeved on the outer circumference of the force measuring rod, and the dynamometer is used to measure the magnitude of the force applied to the spring when it is compressed.

[0011] Preferably, a plurality of steps of progressive size are provided on the outside of the detection portion, a slope is provided between adjacent steps, and two ends of the slope are respectively connected to two adjacent steps.

[0012] Preferably, an inserting portion is provided at one end of the detection portion away from the support frame.

[0013] Preferably, the cross section of the insertion portion is a right triangle.

[0014] Preferably, a scale is provided on the upper surface of the detection part, and the scale of the detection part is used to detect the distance that the detection part is inserted into the elevator door gap.

[0015] Preferably, the detection portion is provided with three steps of progressive size, and the widths of the three steps are 3 mm, 10 mm, and 15 mm respectively.

[0016] Preferably, the elevator door gap detection device also includes two adsorption frames and two movable frames; each support frame is slidably connected to a movable frame; each adsorption frame is slidably and vertically connected to a movable frame; each adsorption frame is provided with a plurality of adsorption units, which are used to be adsorbed on the corresponding elevator door; the support frame can be moved away from or closer to the elevator door along the movable frame, and the movable frame can be moved horizontally relative to the elevator door along the adsorption frame.

[0017] Furthermore, the adsorption unit is an electromagnetic chuck, a magnetic chuck, a vacuum chuck, or a magnet.

[0018] Due to the adoption of the above technical solution, the present invention has the following technical advancements compared to the prior art:

[0019] The present invention uses two detection parts to open the two elevator doors. At this time, the spring is compressed, and the force of the compressed spring is detected by the dynamometer. By adjusting the depth of the opening part inserted into the opening groove, the displacement between the two opening frames is adjusted, and then the pressure exerted on the spring is adjusted, thereby adjusting the force used to open the two elevator doors.

[0020] Secondly, the adsorption unit can adsorb the elevator door gap detection device onto the corresponding elevator door for easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0022] Figure 1 Schematic diagram of the structure of the elevator door gap detection device of the present invention;

[0023] Figure 2 2 is another structural schematic diagram of the elevator door gap detection device of the present invention;

[0024] Figure 3 This is another structural schematic diagram of the elevator door gap detection device of the present invention.

[0025] Figure 4 This is another structural schematic diagram of the detection part of the elevator door gap detection device of the present invention.

[0026] Description of main component symbols

[0027] Explanation of the main component symbols: 11. Expanding frame; 12. Expanding rod; 13. Threaded rod; 14. Detection part; 41. Detection part; 110. Connecting rod; 141. Expanding slot; 131. Expanding part; 120. First sliding rod; 15. Force measuring rod; 151. Dynamometer; 152. Spring; 142. Step; 143. Slope; 144. Insertion part; 21. Adsorption frame; 22. Moving frame; 211. Adsorption unit; 130. Knob; 140. Feeler gauge part; 1401. Disassembly part; 1402. Slot.

[0028] The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish different objects, not to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0030] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute a separate or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0031] See also Figures 1-4 , an elevator door gap detection device, comprising two support frames 11 and a threaded rod 13;

[0032] The two support frames 11 are symmetrically arranged and connected in relative sliding manner through a number of connecting rods 110; a detection portion 14 is provided on the front side of the support frame 11, and a support groove 141 is provided on the other side of the support frame 11 opposite to the detection portion 14; the two ends of the support rod 12 are respectively slidably connected to the two support frames 11; the threaded rod 13 is threadedly connected to the support rod, and an support portion 131 is provided on the end of the threaded rod 13 close to the support groove 141; the two detection portions 14 are used to insert into the gap of the elevator door; the support portion 131 is used to cooperate with the two support grooves 141 to drive the two detection portions 14 to support the gap of the elevator door.

[0033] In one embodiment of the present invention, a knob 130 is provided at the other end of the threaded rod 13 .

[0034] In one embodiment of the present invention, the support frame 11 is an L-shaped plate structure.

[0035] In one embodiment of the present invention, the elevator door gap detection device also includes a first sliding rod 12; one end of the first sliding rod 12 is fixedly connected to one of the open frames 11, and the first sliding rod 12 is slidably connected to the other open frame 11. A scale is provided on the first sliding rod 12, and the scale on the first sliding rod 12 is used to measure the displacement distance between the two open frames 11.

[0036] Furthermore, one end of the first sliding rod 12 is vertically connected to the inner side wall of one of the open frames 11 , and the other end thereof passes through the other open frame 11 .

[0037] In one embodiment of the present invention, the elevator door gap detection device also includes a force measuring rod 15, one end of the force measuring rod 15 is fixedly connected to one of the support frames 11, and the force measuring rod 15 is slidably connected to the other support frame 11. A dynamometer 151 is provided at one end of the force measuring rod 15, and a spring 152 is provided between the dynamometer 151 and the corresponding support frame 11. The spring 152 is sleeved on the outer periphery of the force measuring rod 15, and the dynamometer 151 is used to measure the magnitude of the force applied to the spring 152 when it is compressed.

[0038] In one embodiment of the present invention, a plurality of steps 142 of progressively increasing sizes are provided on the outside of the detection portion 14, and a slope 143 is provided between adjacent steps 142, with both ends of the slope connecting two adjacent steps respectively; the slope is used to facilitate a smooth transition when the detection portion 14 is gradually inserted into the gap of the elevator door when switching steps.

[0039] In one embodiment of the present invention, an inserting portion 144 is disposed at one end of the detection portion 14 away from the support frame 11 .

[0040] In one embodiment of the present invention, the first sliding bar 120 is a square bar or a round bar.

[0041] Furthermore, the cross section of the insertion portion 144 is a right triangle, and when inserted, the inclined surface of the insertion portion slides with the corresponding elevator door, making it easier for the detection portion 14 to be inserted into the gap of the elevator door.

[0042] In one embodiment of the present invention, a scale is provided on the upper surface of the detection portion 14 , and the scale of the detection portion 14 is used to detect the distance that the detection portion 14 is inserted into the gap of the elevator door.

[0043] In one embodiment of the present invention, see Figure 4 The elevator door gap detection device includes at least one feeler gauge portion 140, which is detachably connected to an end of the corresponding detection portion 14 away from the support frame 11, and a scale is provided on the feeler gauge portion 140.

[0044] In one embodiment of the present invention, the feeler gauge 140 is provided with a detachable portion 1401, and the corresponding detection portion 14 is provided with a slot 1402. The detachable portion 1401 is detachably mated with the slot 1402. During use, the feeler gauge 140 is attached to the corresponding detection portion 14, and then inserted into the elevator gap. The gap is measured using the scale on the feeler gauge 140 to determine the gap width.

[0045] In one embodiment of the present invention, the feeler gauge portion 140 is a feeler gauge structure.

[0046] In one embodiment of the present invention, the detection portion 14 is provided with three steps of progressive size, and the widths of the three steps are 3 mm, 10 mm, and 15 mm respectively.

[0047] In one embodiment of the present invention, the elevator door gap detection device further comprises two adsorption racks 21 and two movable racks 22. Each extended frame 11 is slidably connected to a movable rack 22. Each adsorption rack 21 is slidably and vertically connected to a movable rack 22. Each adsorption rack 21 is provided with a plurality of adsorption units 211, each of which is configured to adhere to a corresponding elevator door. After the adsorption units 211 adhere to the corresponding elevator door, the extended frame 11 can be moved away from or toward the elevator door along the movable racks 22, and the movable racks 22 can be moved horizontally relative to the elevator door along the adsorption racks 21.

[0048] In one embodiment of the present invention, when the two support frames are pressed tightly together, the cross-section of the two support slots 141 after pressing tightly together is an isosceles triangle; and the cross-section of the support portion is an isosceles triangle.

[0049] Furthermore, the length of the base of the cross section of the two supporting grooves 141 after they are closely attached is smaller than the length of the base of the isosceles triangle of the cross section of the supporting portion.

[0050] Furthermore, the adsorption unit 211 is an electromagnetic chuck, a magnetic chuck, a vacuum chuck, or a magnet.

[0051] When the present invention is used, after the expansion slots 141 of the two expansion frames are assembled together, the detection part is inserted into the door gap of the elevator door to be detected. By rotating the threaded rod 13, the expansion part is gradually inserted into the expansion slot, and the expansion part 131 drives the two detection parts to move relatively apart, and then the two detection parts 14 expand the two elevator doors. At this time, the spring 152 is compressed, and the force gauge 151 detects the compressed force of the spring 152. By adjusting the depth of the expansion part inserted into the expansion slot, the displacement between the two expansion frames is adjusted, and then the pressure on the spring 152 is adjusted, the force used to expand the two elevator doors can be adjusted.

[0052] Secondly, the adsorption unit can adsorb the elevator door gap detection device onto the corresponding elevator door for easy operation.

[0053] The outer side of the detection portion 14 is provided with a plurality of steps 142 of progressive sizes to accommodate gaps of elevator doors of different widths.

[0054] While the present invention has been generally described above, modifications and improvements are readily apparent to those skilled in the art. Therefore, modifications and improvements that do not depart from the spirit of the present invention are intended to be within the scope of the present invention.

Claims

1. An elevator door gap detection device, characterized in that: It includes two support frames and a threaded rod; the two support frames are symmetrically arranged and connected in relative sliding manner through a number of connecting rods; a detection part is provided on the front side of the support frame, and a support groove is provided on the other side of the support frame opposite to the detection part; the two ends of the support rod are respectively slidably connected to the two support frames; the threaded rod is threadedly connected to the support rod, and a support part is provided on the end of the threaded rod close to the support groove; the two detection parts are used to insert into the gap of the elevator door; the support part is used to cooperate with the two support grooves to drive the two detection parts to support the gap of the elevator door.

2. The elevator door gap detection device according to claim 1, characterized in that: The elevator door gap detection device also includes a first sliding rod; one end of the first sliding rod is fixedly connected to one of the open frames, and the first sliding rod is slidably connected to the other open frame. A scale is provided on the first sliding rod, and the scale on the first sliding rod is used to measure the displacement distance between the two open frames.

3. The elevator door gap detection device according to claim 1, characterized in that: The elevator door gap detection device also includes a force measuring rod, one end of which is fixedly connected to one of the support frames, and the force measuring rod is slidably connected to the other support frame. A dynamometer is provided at one end of the force measuring rod, and a spring is provided between the dynamometer and the corresponding support frame. The spring is sleeved on the outer periphery of the force measuring rod, and the dynamometer is used to measure the magnitude of the force applied to the spring when it is compressed.

4. The elevator door gap detection device according to claim 1, characterized in that: A plurality of steps with progressive sizes are arranged on the outside of the detection part, a slope is arranged between adjacent steps, and the two ends of the slope are respectively connected to the adjacent steps.

5. The elevator door gap detection device according to claim 4, characterized in that: An inserting portion is provided at one end of the detection portion away from the support frame; and the cross section of the inserting portion is a right triangle.

6. The elevator door gap detection device according to claim 1, characterized in that: A scale is provided on the upper surface of the detection part, and the scale of the detection part is used to detect the distance that the detection part is inserted into the elevator door gap.

7. The elevator door gap detection device according to claim 6, characterized in that: The detection part is provided with three steps with progressive sizes, and the widths of the three steps are 3mm, 10mm and 15mm respectively.

8. The elevator door gap detection device according to claim 1, characterized in that: The elevator door gap detection device includes at least one feeler gauge part, which is detachably connected to an end of the corresponding detection part away from the support frame, and is provided with a scale.

9. The elevator door gap detection device according to claim 8, characterized in that: The feeler gauge part is provided with a disassembly part, and the corresponding detection part is provided with a slot; the disassembly part and the slot are detachably matched.

10. The elevator door gap detection device according to any one of claims 1 to 9, characterized in that: The elevator door gap detection device also includes two adsorption frames and two movable frames; each support frame is slidably connected to a movable frame; each adsorption frame is slidably and vertically connected to a movable frame; each adsorption frame is provided with a plurality of adsorption units, which are used to be adsorbed on the corresponding elevator door; the support frame can be moved away from or closer to the elevator door along the movable frame, and the movable frame can be moved horizontally relative to the elevator door along the adsorption frame.

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