An adjustable eye beam for an elevator shaft and an installation method thereof

Abstract

The present invention relates to the technical field of elevator shaft facilities, specifically to an adjustable eye beam of an elevator shaft and an installation method thereof; the adjustable eye beam comprises an anchoring piece fixed with an anchoring ear plate, a retractable support beam, a high-strength screw shaft and a U-shaped ring; there are two support beams, the connecting ear plate of the support beam on the left side of the elevator shaft is rotatably connected with the anchoring ear plate on the anchoring piece on the left side of the elevator shaft, the connecting screw hole of the support beam on the right side of the elevator shaft is rotatably connected with the anchoring ear plate on the anchoring piece on the right side of the elevator shaft, the connecting screw hole of the left support beam is rotatably connected with the connecting ear plate of the right support beam through a high-strength screw shaft, nuts are provided at both ends of the high-strength screw shaft, and the U-shaped ring is arranged at the lower part of the high-strength screw shaft. A hole is opened in the side wall of the elevator shaft and anchored by an anchoring piece, so there is no leakage problem; the length of the support beam is adjustable, suitable for different elevator shafts, and can be disassembled after use, with high efficiency and reusability.

Description

Technical Field

[0001] The invention relates to the technical field of elevator shaft facilities, in particular to an adjustable eye beam of an elevator shaft and an installation method thereof. Background Art

[0002] As an important vertical transportation tool in high-rise buildings, elevators play an important role in carrying passengers and transporting goods. Nowadays, with the change of building functions, the demand for building renovation is increasing. During the renovation process, the location, quantity, and model of elevators are often adjusted. However, during the installation and use of the elevator, the lifting rings on the top of the elevator shaft may be cut due to failure to reserve in advance, improper management after the installation of the elevator, or the design of the original shaft top plate without preset lifting rings at the newly added elevator location cannot install the lifting rings. The missing elevator lifting rings caused by the above reasons cannot meet the needs of the elevator during installation, maintenance, and renovation.

[0003] For shafts that lack lifting rings, the conventional practice is to penetrate the shaft top plate and use bolts, steel plates and other components to anchor the lifting rings. However, if there is a roof structure above the shaft top plate, penetrating the shaft top plate requires excavation or chiseling on the roof structure, which will damage the original structure and increase the risk of roof leakage. If leakage occurs due to careless operation, it will also require rework and delay the construction period. If the anchor does not penetrate the shaft top plate, the lifting ring is prone to fall off due to stress concentration when it is subjected to a large load, causing an accident.

[0004] Secondly, a beam is set up on the top of the shaft to fix the lifting ring, but the sizes of each shaft are not completely unified, resulting in each cut beam being used almost only once and unable to be used in rotation; although the shaft sizes of elevators of the same model are similar, there is always a certain gap due to construction errors, resulting in the cut beams having worse applicability. The beams have to serve as supports and bear weight, and have a certain span, so the material of the beams has high requirements on strength and rigidity. However, since the beams are used almost only once, it is easy to cause waste of materials and high costs; and since the beams cannot be used in rotation, it is necessary to prepare multiple ones, and the round-trip transportation also increases the cost. Summary of the invention

[0005] The present invention aims to solve the technical problems in the prior art that a shaft lacking lifting rings uses anchors to penetrate the shaft top plate, resulting in the risk of roof leakage, and that beams cannot be used cyclically, resulting in material waste and high costs. An adjustable lifting ring beam for an elevator shaft and an installation method thereof are proposed.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an adjustable lifting ring beam of an elevator shaft, comprising two anchors fixed on the left and right sides of the elevator shaft, anchor ear plates fixed on the anchors, a retractable support beam, a high-strength screw shaft and a U-shaped ring; there are two support beams, which are respectively arranged on the left and right sides of the elevator shaft; one end of the support beam is provided with a connecting screw hole, and the other end is provided with a connecting ear plate; the connecting ear plate of the support beam located on the left side of the elevator shaft is rotatably connected with the anchor ear plate on the anchor located on the left side of the elevator shaft, the connecting screw hole of the support beam located on the right side of the elevator shaft is rotatably connected with the anchor ear plate on the anchor on the right side of the elevator shaft, the connecting screw hole of the left support beam is rotatably connected with the connecting ear plate of the right support beam through the high-strength screw shaft, and nuts are provided at both ends of the high-strength screw shaft; the U-shaped ring is arranged just below the high-strength screw shaft and is connected to the high-strength screw shaft.

[0007] Preferably, the support beams on the left and right sides are both arranged to be inclined upwards, forming a "human" shape.

[0008] A hole is opened in the side wall of the elevator shaft, which is anchored by an anchor and connected to a "human" shaped support beam. There is no leakage problem in the side wall hole, and the "human" shaped support beam can improve the support strength. The support beam is adjustable in length through the first and second telescopic rods, and is suitable for different elevator shafts. It can be disassembled after use and applied to the next elevator shaft. It has high efficiency and can be reused.

[0009] Preferably, the anchoring member comprises an anchor plate and an anchor bolt, the anchor plate is provided with an anchor hole, the anchor bolt passes through the anchor hole and is driven into the side wall of the elevator shaft to fix the anchor plate on the side wall of the elevator shaft.

[0010] Preferably, a protrusion is provided on the side of the anchor plate that is in contact with the side wall of the elevator shaft.

[0011] Preferably, the support beam also includes a first telescopic rod and a second telescopic rod; the first telescopic rod can be inserted into the second telescopic rod and slidably connected to the second telescopic rod; the connecting screw hole is arranged at an end of the first telescopic rod away from the second telescopic rod, and the connecting ear plate is arranged at an end of the second telescopic rod away from the first telescopic rod; the first telescopic rod and the second telescopic rod are respectively provided with a plurality of positioning holes along the length direction, and positioning bolts are inserted into the positioning holes; the telescopic length of the first telescopic rod relative to the second telescopic rod is adjusted by controlling the positioning bolts to be inserted into different positioning holes.

[0012] Preferably, two connecting ear plates are arranged side by side, and the distance between the inner sides of the two connecting ear plates is the same as the outer diameter of the first telescopic rod; two anchoring ear plates are arranged side by side on the anchor; the distance between the inner sides of the two anchoring ear plates on the anchor located on the left side of the elevator shaft is equal to the distance between the outer sides of the two connecting ear plates at one end of the second telescopic rod; the distance between the inner sides of the two anchoring ear plates on the anchor located on the right side of the elevator shaft is equal to the outer diameter of the first telescopic rod.

[0013] Preferably, the connecting screw hole and the connecting ear plate are both rotatably connected to the anchoring ear plate via connecting bolts.

[0014] Preferably, the middle part of the high-strength screw shaft is a smooth round shaft, and both sides are screws with threads; connecting rings are respectively provided at both ends of the U-shaped ring, and the center lines of the two connecting rings coincide; the two connecting rings are respectively inserted into the screws with threads on both sides of the high-strength screw shaft and tightened by nuts.

[0015] The present invention also provides a method for installing an adjustable eye beam of an elevator shaft, comprising the following steps:

[0016] Step 1: Mark the installation positions of the anchors of the adjustable eye beam on both sides of the elevator shaft;

[0017] Step 2: drilling holes at the marked positions, and installing the anchor plates welded with anchor lugs as claimed in the claim on the left and right side walls of the elevator shaft respectively through anchor bolts;

[0018] Step 3: Select a first support beam, connect the connecting ear plate of its second telescopic rod to the anchoring ear plate on the left side of the elevator shaft through connecting bolts, and put the first telescopic rod on the second telescopic rod; select a second support beam, connect the connecting screw hole of its first telescopic rod to the anchoring ear plate on the right side of the elevator shaft through connecting bolts, and put the second telescopic rod on the first telescopic rod;

[0019] Step 4: Adjust the extension length of the first telescopic rod of the first support beam and the second telescopic rod of the second support beam selected in step 3 by means of positioning bolts, so that the two support beams are in a "human" shape, and align the connecting screw hole of the first telescopic rod with the connecting ear plate of the second telescopic rod;

[0020] Step 5: Use the high-strength screw shaft to pass through the connecting screw holes and connecting ear plates aligned in step 4; and put the connecting rings at both ends of the U-shaped ring on the high-strength screw shaft and fix them with nuts.

[0021] Preferably, after marking the position in step one, the surface of the concrete wall is roughened at the marked position; and in step four, the angle between the two support beams in the shape of a human figure is 90°-150°.

[0022] Compared with the prior art, the advantages and positive effects of the present invention are: (1) a hole is opened in the side wall of the elevator shaft, which is anchored by an anchor and connected to a "human" shaped support beam, thereby avoiding the problems of leakage and rework after the roof is damaged due to traditional roof excavation, or incomplete excavation, the anchor falling off and causing accidents; (2) the support beam is adjustable in length through the first and second telescopic rods, suitable for different elevator shafts, and can be disassembled after use and applied to the next elevator shaft; thus avoiding the problem that the existing beam cannot be used in a cyclical manner, resulting in waste of materials and high costs; (3) the surface of the concrete wall is roughened to increase the supporting force of the anchor plate and the side wall of the elevator shaft, thereby improving stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the following briefly introduces the drawings required for describing the embodiment.

[0024] Figure 1 is a side view of the adjustable eyelet beam;

[0025] Figure 2 is a three-dimensional diagram of the adjustable eyelet beam;

[0026] Figure 3 It is a structural diagram of the support beam;

[0027] Figure 4 This is a schematic diagram of the high-strength screw shaft structure;

[0028] Figure 5 It is a schematic diagram of the U-shaped ring structure.

[0029] Description of reference numerals:

[0030] 1-anchor, 11-anchor plate, 12-anchor bolt, 13-anchor hole, 14-protrusion;

[0031] 2- Anchor lugs;

[0032] 3-support beam, 31-first telescopic rod, 32-second telescopic rod, 33-positioning hole, 34-connecting screw hole, 35-connecting ear plate;

[0033] 4-high strength screw shaft, 41-nut, 42-round shaft, 43-screw;

[0034] 5-Connecting bolts;

[0035] 6-Locking bolt;

[0036] 7-U-shaped ring, 71-connecting ring. DETAILED DESCRIPTION

[0037] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments.

[0038] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0039] Example 1

[0040] The following is combined with Figure 1-5 The present invention is further described as follows: Figure 1-4 As shown, an adjustable lifting eye beam of an elevator shaft comprises two anchors 1 fixed on the left and right sides of the elevator shaft, an anchoring ear plate 2 fixed on the anchor 1, a retractable support beam 3, a high-strength screw shaft 4 and a U-shaped ring 7; there are two support beams 3, which are respectively arranged on the left and right sides of the elevator shaft; one end of the support beam 3 is provided with a connecting screw hole 34, and the other end is provided with a connecting ear plate 35; the connecting ear plate 35 of the support beam 3 located on the left side of the elevator shaft is rotatably connected to the anchoring ear plate 2 on the anchor 1 located on the left side of the elevator shaft, the connecting screw hole 34 of the support beam 3 located on the right side of the elevator shaft is rotatably connected to the anchoring ear plate 2 on the anchor 1 on the right side of the elevator shaft, the connecting screw hole 34 of the left support beam 3 is rotatably connected to the connecting ear plate 35 of the right support beam 3 through the high-strength screw shaft 4, and nuts 41 are provided at both ends of the high-strength screw shaft 4; the U-shaped ring 7 is arranged just below the high-strength screw shaft 4 and is connected to the high-strength screw shaft 4.

[0041] like Figure 1 As shown, the support beams 3 on the left and right sides are both arranged to be inclined upward, forming a "human" shape.

[0042] A hole is opened in the side wall of the elevator shaft and anchored by an anchor 1. Support beams 3 are respectively arranged on the left and right sides of the elevator shaft in a "human" shape for support. This avoids the problems of leakage and rework after the roof is damaged due to traditional roof excavation, or incomplete excavation, the falling off of anchors and accidents.

[0043] like Figure 2 As shown, the anchor 1 includes an anchor plate 11 and an anchor bolt 12. The anchor plate 11 is provided with an anchor hole 13. The anchor bolt 12 passes through the anchor hole 13 and is driven into the side wall of the elevator shaft to fix the anchor plate 11 on the side wall of the elevator shaft.

[0044] like Figure 2 As shown, a protrusion 14 is provided on the side of the anchor plate 11 that is in contact with the side wall of the elevator shaft.

[0045] like Figure 2 and 3As shown, the support beam 3 also includes a first telescopic rod 31 and a second telescopic rod 32; the first telescopic rod 31 can be inserted into the second telescopic rod 32 and is slidably connected to the second telescopic rod 32; a connecting screw hole 34 is provided at an end of the first telescopic rod 31 away from the second telescopic rod 32, and a connecting ear plate 35 is provided at an end of the second telescopic rod 32 away from the first telescopic rod 31; the first telescopic rod 31 and the second telescopic rod 32 are respectively provided with a plurality of positioning holes 33 along the length direction, and positioning bolts 6 are inserted into the positioning holes 33; the telescopic length of the first telescopic rod 31 relative to the second telescopic rod 32 is adjusted by controlling the positioning bolts 6 to be inserted into different positioning holes 33.

[0046] The support beam 3 is connected by the first telescopic rod 31 and the second telescopic rod 32 to achieve adjustable length, suitable for different elevator shafts, and can be disassembled after use and applied to the next elevator shaft; thus avoiding the problem that the existing beams cannot be used in a cyclic manner, resulting in waste of materials and high costs.

[0047] like Figure 2 and 3 As shown, two connecting ear plates 35 are arranged side by side, and the distance between the inner sides of the two connecting ear plates 35 is the same as the outer diameter of the first telescopic rod 31; two anchoring ear plates 2 are arranged side by side on the anchor 1; the distance between the inner sides of the two anchoring ear plates 2 on the anchor 1 located on the left side of the elevator shaft is equal to the distance between the outer sides of the two connecting ear plates 35 at one end of the second telescopic rod 32; the distance between the inner sides of the two anchoring ear plates 2 on the anchor 1 located on the right side of the elevator shaft is equal to the outer diameter of the first telescopic rod 31.

[0048] like Figure 2 As shown, the connecting screw hole 34 and the connecting ear plate 35 are both rotatably connected to the anchoring ear plate 2 via the connecting bolt 5 .

[0049] like Figure 4 and 5 As shown, the middle part of the high-strength screw shaft 4 is a smooth round shaft 42, and both sides are screws 43 with threads; connecting rings 71 are respectively provided at both ends of the U-shaped ring 7, and the center lines of the two connecting rings 71 coincide; the two connecting rings 71 are respectively inserted into the screws with threads on both sides of the high-strength screw shaft 4 and tightened by nuts 41.

[0050] Example 2

[0051] The present invention also provides a method for installing an adjustable eye beam of an elevator shaft, comprising the following steps:

[0052] Step 1: Mark the installation positions of the anchors 1 of the adjustable eye beam on both sides of the elevator shaft; roughen the surface of the concrete wall at the marked positions; increase the support force of the anchor plate 11 and the side wall of the elevator shaft to improve stability;

[0053] Step 2: drilling holes at the marked positions, and installing the anchor plates 11 welded with the anchor lug plates 2 as claimed in claim 6 on the left and right side walls of the elevator shaft respectively through the anchor bolts 12;

[0054] Step 3: Select the first support beam 3, connect the connecting ear plate 35 of the second telescopic rod 32 to the anchoring ear plate 2 on the left side of the elevator shaft through the connecting bolt 5, and put the first telescopic rod 31 on the second telescopic rod 32; select the second support beam 3, connect the connecting screw hole 34 of the first telescopic rod 31 to the anchoring ear plate 2 on the right side of the elevator shaft through the connecting bolt 5, and put the second telescopic rod 32 on the first telescopic rod 31;

[0055] Step 4: Adjust the extension length of the first telescopic rod 31 of the first support beam 3 and the second telescopic rod 32 of the second support beam 3 selected in step 3 by means of the positioning bolts 6, so that the two support beams 3 are in a "human" shape, and align the connecting screw hole 34 of the first telescopic rod 31 with the connecting ear plate 35 of the second telescopic rod 32; the angle between the two support beams 3 in the "human" shape is 150°;

[0056] Step 5: Use the high-strength screw shaft 4 to pass through the connecting screw holes 34 and the connecting ear plates 35 aligned in step 4; and put the connecting rings 71 at both ends of the U-shaped ring 7 on the high-strength screw shaft 4 and fix them with nuts 41.

[0057] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An adjustable eye beam for an elevator shaft, characterized in that: It comprises two anchors (1) fixed to the left and right sides of an elevator shaft, anchoring ear plates (2) fixed to the anchors (1), a retractable support beam (3), a high-strength screw shaft (4) and a U-shaped ring (7); There are two support beams (3), which are respectively arranged on the left and right sides of the elevator shaft; one end of the support beam (3) is provided with a connecting screw hole (34), and the other end is provided with a connecting ear plate (35); The connecting ear plate (35) of the support beam (3) on the left side of the elevator shaft is rotatably connected to the anchoring ear plate (2) on the anchoring piece (1) on the left side of the elevator shaft, the connecting screw hole (34) of the support beam (3) on the right side of the elevator shaft is rotatably connected to the anchoring ear plate (2) on the anchoring piece (1) on the right side of the elevator shaft, and the connecting screw hole (34) of the left support beam (3) is rotatably connected to the connecting ear plate (35) of the right support beam (3) via a high-strength screw shaft (4), and nuts (41) are provided at both ends of the high-strength screw shaft (4); The U-shaped ring (7) is arranged directly below the high-strength screw shaft (4) and is connected to the high-strength screw shaft (4); The support beams (3) on the left and right sides are both arranged to be inclined upwards, forming a "human" shape; The anchoring member (1) comprises an anchor plate (11) and an anchor bolt (12); the anchor plate (11) is provided with an anchor hole (13); the anchor bolt (12) passes through the anchor hole (13) and is driven into the side wall of the elevator shaft to fix the anchor plate (11) on the side wall of the elevator shaft; A protrusion (14) is provided on the side of the anchor plate (11) that abuts against the side wall of the elevator shaft; The support beam (3) further comprises a first telescopic rod (31) and a second telescopic rod (32); the first telescopic rod (31) can be inserted into the second telescopic rod (32) and is slidably connected to the second telescopic rod (32); the connecting screw hole (34) is arranged at an end of the first telescopic rod (31) away from the second telescopic rod (32), and the connecting ear plate (35) is arranged at an end of the second telescopic rod (32) away from the first telescopic rod (31); The first telescopic rod (31) and the second telescopic rod (32) are each provided with a plurality of positioning holes (33) along the length direction, and positioning bolts (6) are inserted into the positioning holes (33); the telescopic length of the first telescopic rod (31) relative to the second telescopic rod (32) is adjusted by controlling the positioning bolts (6) to be inserted into different positioning holes (33); Two connecting ear plates (35) are arranged side by side, and the distance between the inner side surfaces of the two connecting ear plates (35) is the same as the outer diameter of the first telescopic rod (31); Two anchoring ear plates (2) are arranged side by side on the anchoring piece (1); the distance between the inner sides of the two anchoring ear plates (2) on the anchoring piece (1) located on the left side of the elevator shaft is equal to the distance between the outer sides of the two connecting ear plates (35) at one end of the second telescopic rod (32); the distance between the inner sides of the two anchoring ear plates (2) on the anchoring piece (1) located on the right side of the elevator shaft is equal to the outer diameter of the first telescopic rod (31); The middle part of the high-strength screw shaft (4) is a smooth circular shaft (42), and both sides are screws (43) with threads; connecting rings (71) are respectively provided at both ends of the U-shaped ring (7), and the center lines of the two connecting rings (71) coincide with each other; the two connecting rings (71) are respectively inserted into the screws with threads on both sides of the high-strength screw shaft (4), and are tightened by nuts (41); The connecting screw hole (34) and the connecting ear plate (35) are both rotatably connected to the anchoring ear plate (2) via connecting bolts (5).

2. A method for installing an adjustable eye beam of an elevator shaft, characterized in that: The installation of the adjustable eye beam of the elevator shaft according to claim 1 comprises the following steps: Step 1: Mark the installation positions of the anchors (1) of the adjustable eye beam on both sides of the elevator shaft; Step 2: drilling holes at the marked positions, and installing anchor plates (11) welded with anchor lug plates (2) on the left and right side walls of the elevator shaft respectively through anchor bolts (12); Step 3: Select a first support beam (3), connect the connecting ear plate (35) of its second telescopic rod (32) to the anchoring ear plate (2) on the left side of the elevator shaft through a connecting bolt (5), and put the first telescopic rod (31) on the second telescopic rod (32); select a second support beam (3), connect the connecting screw hole (34) of its first telescopic rod (31) to the anchoring ear plate (2) on the right side of the elevator shaft through a connecting bolt (5), and put the second telescopic rod (32) on the first telescopic rod (31); Step 4: Adjust the extension length of the first telescopic rod (31) of the first support beam (3) and the second telescopic rod (32) of the second support beam (3) selected in step 3 by means of positioning bolts (6) so that the two support beams (3) are in a "human" shape, and align the connecting screw hole (34) of the first telescopic rod (31) with the connecting ear plate (35) of the second telescopic rod (32); Step 5: Use the high-strength screw shaft (4) to pass through the connection screw hole (34) and the connection ear plate (35) aligned in step 4; and put the connection rings (71) at both ends of the U-shaped ring (7) on the high-strength screw shaft (4) and fix them with nuts (41).

3. The method for installing an adjustable eye beam of an elevator shaft according to claim 2, characterized in that: After marking the position in step one, the surface of the concrete wall is roughened at the marked position; and in step four, the angle between the two support beams (3) in the shape of a human figure is 90°-150°.

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