Elevator counterweight side support assembly

Abstract

According to the elevator counterweight side support assembly, the connection mode between the counterweight guide rail and the elevator shaft wall is improved through the semi-frame type support structure, and the mode that the whole guide rail of a common support is connected with the elevator shaft wall in a large area mode is improved into the mode that the wall face fixing parts and the elevator shaft wall are connected and matched in a multi-point mode. Therefore, the concave-convex shape of the elevator shaft wall can be more easily adapted; in addition, when the position, prone to stress concentration, in the whole frame structure, namely the butt joint position of the guide rail installation beam and the cross beam is damaged, the joint structure is specially optimized, the end of the guide rail installation beam is integrally and perpendicularly contained in a right-angle C-shaped groove of the cross beam, and through holes aligned in position are formed in the end and the plate face of the cross beam abutting against the end. According to the structure, the structural characteristics of the C-shaped steel channel beam can be utilized, and the butt joint of the frame is ensured to be firm and convenient to disassemble, assemble and maintain by utilizing the mutual embedded matching and threaded fastening of the channel structures.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator equipment technical field, specifically, an elevator counterweight side support assembly. BACKGROUND

[0002] The elevator is indispensable equipment of modern building, and the installation and fixation of the elevator are extremely important for the safe and smooth operation of the elevator, the installation and fixation of the elevator are extremely important for the safe and smooth operation of the elevator, and most elevators are provided with counterweights, the installation position of the existing counterweight on the elevator is divided into side placement and rear placement, generally, the counterweight rear placement is passenger elevator with machine room, but the counterweight side placement can be arranged under special circumstances, generally, the counterweight side placement is passenger elevator without machine room, sightseeing elevator, freight elevator and medical elevator, the size between the shaft wall and the elevator car changes according to the size change of the shaft civil engineering, the elevator car and the shaft wall are fixed through the cooperation of the car guide rail and the guide rail support, so that when the counterweight is placed on the side, the counterweight guide rail of the counterweight and the car guide rail of the elevator car are installed in the limited space, and the installation convenience, good strength and obstacle avoidance convenience are met, and the above problems need to be solved urgently.

[0003] Although there are many types of existing counterweight side support, in the actual installation process, due to the flatness of the shaft wall and the small error in the installation process, it is difficult to adjust the horizontal flatness of the counterweight side support and correct the size deviation in the installation process through the structure design of the existing counterweight side support. A variety of auxiliary connecting pieces are set to adapt to the offset of the shaft wall shape, but the assembly cost of the actual frame structure is limited, such as the auxiliary installation of a variety of different shapes of non-standard parts, which can cause the cost of the elevator counterweight support to increase greatly, which is not conducive to the large-scale application of the support structure.

[0004] In summary, the existing elevator counterweight side support has the technical problems of complex support structure and high cost. Utility model content

[0005] The utility model solves the technical problems that the existing elevator counterweight side support has the technical problems of complex support structure and high cost.

[0006] In order to solve the above problems, the utility model provides a kind of elevator counterweight side support assembly, including two parallel and interval preset distance setting cross support component, two the cross support component between respectively connected with main counterweight guide rail and two side counterweight guide rails, the cross support component includes the crossbeam for installing elevator car guide rail and the side support respectively fixedly connected in the crossbeam both ends, the side support includes the wall fixed part and guide rail mounting beam connected at right angles, respectively for with the elevator shaft wall and the side counterweight guide rail of corresponding side connection, the crossbeam and the guide rail mounting beam are all that the groove steel beam of cross section is at right angles C, the end of the guide rail mounting beam is vertically contained in the slot of the crossbeam, the end surface of the guide rail mounting beam is perpendicular to its length direction and is attached with the inner side wall of crossbeam, the end surface between the guide rail mounting beam and the side wall of crossbeam is fixed by thread fastener.

[0007] The technical scheme of the utility model improves the connecting mode between counterweight guide rail and elevator shaft wall by half-frame type support structure, improves the mode that the whole guide rail of general support is connected with elevator shaft wall in large area to the multi-point connection cooperation between multiple wall fixed parts and elevator shaft wall, so that it is more easily to adapt to the concave-convex shape of elevator shaft wall; in addition, as the position of stress concentration in the whole frame structure, the butt joint position of guide rail mounting beam and crossbeam is damaged, the node structure is particularly optimized, the end of guide rail mounting beam is vertically contained in the right-angle C-shaped groove of crossbeam, and a through hole is arranged in the position of the end and the crossbeam plate surface abutting against it, a thread fastener is threaded in the through hole to fixedly connect guide rail mounting beam and crossbeam with each other, the structure can utilize the structural characteristics of C-shaped groove steel beam, and the mutual embedding cooperation of groove structure is used to fasten the butt joint of frame, which not only ensures firmness, but also facilitates disassembly, maintenance and replacement of parts, effectively solves the technical problems of complex support structure and high cost of existing elevator counterweight side support.

[0008] As a preferred scheme, the middle plate surface near the end of the guide rail mounting beam is extended and vertically bent to form the end surface of the guide rail mounting beam, and the two sides of the end surface are closed with the end of the two side plate surfaces of the guide rail mounting beam. This design optimizes the end structure of the guide rail mounting beam, utilizes the structural characteristics of C-shaped groove steel, cuts the length of the middle plate surface at the end position to exceed the two side plate surfaces, and vertically bends the middle plate surface, and the plate edge of the bent part is closed with the end of the two side plate surfaces to form a structural whole, which has good strength and is convenient to process and form, thereby reducing equipment cost.

[0009] As a preferred scheme, the two side plates of the end of the guide rail mounting beam are provided with threaded fasteners which are arranged through the through holes of the two side plates of the end of the guide rail mounting beam and the two side plates of the corresponding position of the end of the cross beam. The design further optimizes the abutment position of the beam body on the basis of the structure of the abutment and fixation of the beam body. In addition to the threaded fasteners arranged between the end face of the guide rail mounting beam and the cross beam, through holes are arranged in the side plates on both sides of the end face of the guide rail mounting beam and the side plates of the corresponding position of the cross beam, and threaded fasteners are arranged through the through holes, which further improves the node firmness of the abutment position of the beam body.

[0010] As a preferred scheme, the side plate of the guide rail mounting beam on the side opposite to the ground direction is provided with a plate gap structure for avoiding the disassembly and assembly operation of the threaded fastener. In order to make the tightening or loosening operation of the threaded fastener more convenient, the side plate of the guide rail mounting beam on the side which is relatively easy to operate is provided with a plate gap structure. Through the structure, a space for convenient operation can be left, and pre-avoidance is provided.

[0011] As a preferred scheme, the side plates of the middle region of the cross beam are provided with inwardly bent flange structures, and the flange structures of the cross beam are fixedly connected with a reinforcing cross plate. The design optimizes the structure of the cross beam connected with the main counterweight guide rail. The flange structure and the reinforcing cross plate further increase the bending and torsional strength of the steel beam. On this basis, the reinforcing cross plate along the length direction of the cross beam is welded and fixed in the middle section of the flange structure of the cross beam, which further improves the strength of the steel beam.

[0012] As a preferred scheme, the wall fixing part is a right-angle channel steel beam, the end of the wall fixing part is fixedly connected with the end of the guide rail mounting beam at right angles, and the middle region of the wall fixing part is provided with a raised reinforcing rib structure. The design provides a preferred structure of the wall fixing part, which is a right-angle steel beam. The right-angle beam structure itself has good strength and is suitable for supporting the beam body. Since the guide rail mounting beam is fixed at the end of the wall, the length of the fixing part is prone to compression deformation. Therefore, the reinforcing rib structure is arranged in the middle of the wall fixing part to ensure the strength of the beam body.

[0013] As a preferred scheme, the two end edges of the wall fixing part are integrally connected with flange reinforcing structures. The design provides another beam body reinforcing structure parallel to the above-mentioned structure. The flange reinforcing structure is arranged on the outer edge of the plate face of the wall fixing part, which greatly improves the bending resistance of the beam body.

[0014] As a preferred scheme, the wall fixing part comprises a straight line right angle beam integrally connected and fixed in a right angle shape, wherein one section of the right angle beam body is parallel to the guide rail mounting beam and is fixedly attached to the bottom surface of the guide rail mounting beam, and the other section of the right angle beam body is attached to the shaft wall, and the edges of the two sections of the straight line right angle beam are provided with a flange reinforcement structure. This design provides another wall fixing part structure, which is in an overall L-shaped structure, i.e., the middle part of the same beam body is bent in a right angle shape, and the beam body itself is an angle steel beam. One section of the wall fixing part is parallel to the guide rail mounting beam and is attached to the bottom of the guide rail mounting beam, and the other section of the beam body is fixedly attached to the shaft wall, and a flange reinforcement structure is also provided on the other section, which improves the torsional resistance of the beam body. Compared with the above-mentioned split wall fixing part design, this structure is more convenient to assemble and reduces the assembly steps.

[0015] As a preferred scheme, the side plate surface of the guide rail mounting beam near the ground side is provided with a positioning adjustment long hole parallel to the length direction thereof, and the wall fixing part is also provided with a positioning adjustment long hole in the area attached to the guide rail mounting beam. The long axis directions of the positioning adjustment long holes on the guide rail mounting beam and the wall fixing part are perpendicular to each other, and the relative positions of the guide rail mounting beam and the wall fixing part are fixed by a fastening screw passing through the positioning adjustment long holes of the two beam bodies. Based on the structure of the above-mentioned fixing part, this design utilizes the right angle structure to conveniently adjust the distance between the cross beam and the shaft wall. By providing the beam body sections of the guide rail mounting beam and the wall fixing part with positioning adjustment long holes, and by passing a mounting fastening screw through the positioning adjustment long holes at the overlapping position, the guide rail mounting beam and the wall fixing part can be pulled away from each other and locked and fixed relative to each other by the fastening screw, so that adjustment can be conveniently performed.

[0016] As a preferred scheme, the wall fixing part comprises a first beam body section and a second beam body section. The first beam body section is parallel to the guide rail mounting beam and is accommodated in the groove of the guide rail mounting beam. The middle region of the second beam body section is fixedly connected to the end of the first beam body section, and the two sections form a T shape. The two side plate surfaces of the guide rail mounting beam are provided with positioning adjustment long holes parallel to the length direction thereof. The first beam body is provided with a plurality of positioning adjustment long holes parallel to each other. The long axis directions of the positioning adjustment long holes on the guide rail mounting beam and the wall fixing part are perpendicular to each other, and the relative positions of the guide rail mounting beam and the wall fixing part are fixed by a fastening screw passing through the positioning adjustment long holes of the two beam bodies.

[0017] The design provides another parallel wall fixing part design, the beam body shape is T-shaped, the end of the first beam body section is fixed with the middle of the second beam body section, the first beam body section adopts the same C-shaped channel steel beam as the guide rail mounting beam, and is inserted in parallel in the C-shaped channel of the guide rail mounting beam, and on this basis, the positioning adjusting long hole cooperates with the fastening screw, so that the first beam body section and the guide rail mounting beam can be simply fixed, and the distance adjustment between the cross beam and the elevator shaft wall can be quickly realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 An overall structure schematic diagram of the elevator counterweight side support assembly is provided.

[0019] Figure 2 For Figure 1 A partial structure schematic diagram of the cross beam and the guide rail mounting beam abutting position of the elevator counterweight side support assembly is provided.

[0020] Figure 3 A partial structure schematic diagram of the cross beam and the guide rail mounting beam abutting position of another elevator counterweight side support assembly is provided.

[0021] Figure 4 A partial structure schematic diagram of the cross beam and the guide rail mounting beam abutting position of a third elevator counterweight side support assembly is provided.

[0022] Among them, Figures 1-4 Among them:

[0023] 1, main counterweight guide rail; 2, side counterweight guide rail; 3, cross beam; 3-1, flange structure; 4, reinforcing plate; 5, guide rail mounting beam; 5-1, threaded fastener; 5-2, plate gap structure; 6, wall fixing part; 6-1, reinforcing rib structure; 6-2, flange reinforcing structure; 6-3, first beam body section; 6-4, second beam body section; 7, positioning adjusting long hole. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] Before the working principle of the utility model is described in detail, the description of the utility model needs to be further explained: in the description of the utility model, it should be pointed out that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can be directly connected, can be indirectly connected through an intermediate medium, or can be two elements welded connection. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Reference Figures 1-4 The following examples are described as follows, Figure 1 The utility model provides a kind of overall structure schematic diagram of elevator counterweight side support assembly; Figure 2 For Figure 1 Partial structure schematic diagram of the butt joint position of beam and guide rail mounting beam of elevator counterweight side support assembly in the middle; Figure 3 Partial structure schematic diagram of the butt joint position of beam and guide rail mounting beam of another elevator counterweight side support assembly; Figure 4 Partial structure schematic diagram of the butt joint position of beam and guide rail mounting beam of third elevator counterweight side support assembly.

[0028] The embodiment of the utility model provides a kind of elevator counterweight side support assembly, including two parallel and interval preset distance setting cross support component, two cross support components are respectively connected with main counterweight guide rail 1 and two side counterweight guide rails 2, cross support component includes the cross beam 3 for installing elevator car guide rail and the side support fixedly connected in the two ends of cross beam 3, side support includes the wall fixed part 6 and guide rail mounting beam 5 connected at right angles, respectively for being connected with elevator shaft wall and the side counterweight guide rail 2 of corresponding side, cross beam 3 and guide rail mounting beam 5 are all groove steel beam with right angle C-shaped cross section, the end of guide rail mounting beam 5 is vertically contained in the slot of cross beam 3, the end surface of guide rail mounting beam 5 is perpendicular to its length direction and is attached to the inner side wall of cross beam 3, and the end surface of guide rail mounting beam 5 and the side wall of cross beam 3 are fixed by thread fastener 5-1.

[0029] The technical scheme of the utility model improves the connecting mode between the counterweight guide rail and the elevator shaft wall through the bracket structure of half frame type, improves the mode that the whole guide rail of general bracket is connected with the elevator shaft wall in large area to the multi-point connecting cooperation between the multiple wall surface fixing parts 6 and the elevator shaft wall, thereby more easily adapting to the concave-convex shape of the elevator shaft wall; in addition, as the position of the whole frame structure that is easy to stress concentration, namely the damage of the butt joint position of the guide rail mounting beam 5 and the cross beam 3, the node structure is particularly optimized, the end of the guide rail mounting beam 5 is vertically contained in the right-angle C-shaped groove of the cross beam 3, and the through hole that is in position with the cross beam 3 plate surface that is opposite to it is arranged at the end, the threaded fastener 5-1 is threaded in the through hole, thereby the guide rail mounting beam 5 and the cross beam 3 are fixed to each other firmly, the structure can utilize the structural characteristics of the C-shaped groove steel beam itself, and the threaded fastening of the mutual embedding cooperation of the groove structure makes the butt joint of the frame firm, and the frame is convenient to disassemble, maintain and replace parts, effectively solves the technical problems that the existing counterweight side bracket of the elevator has complex bracket structure and high cost.

[0030] In the technical scheme provided by the embodiment, the middle plate surface near the end of the guide rail mounting beam 5 is extended and vertically bent to form the end surface of the guide rail mounting beam 5, and the two sides of the end surface are closed with the end of the two side plate surfaces of the guide rail mounting beam 5. The design optimizes the end structure of the guide rail mounting beam 5, utilizes the structural characteristics of the C-shaped groove steel itself, and cuts the length of the middle plate surface at the end position to be longer than the two side plate surfaces, and vertically bends the middle plate surface. The edge of the bent part of the plate surface and the end of the two side plate surfaces are closed to form a structural whole. The design has good strength and is convenient to process and form, thereby reducing the equipment cost.

[0031] In the technical scheme provided by the embodiment, threaded fasteners 5-1 are threaded between the two side plate surfaces of the end of the guide rail mounting beam 5 and the two side plate surfaces of the end of the cross beam 3. Based on the structure of the above beam body butt joint fixation, the butt joint position is further optimized. In addition to the threaded fastener 5-1 arranged between the end surface of the guide rail mounting beam 5 and the cross beam 3 for fixation, through holes are arranged in the side plate surfaces on both sides of the end surface of the guide rail mounting beam 5 and the side plate surfaces of the cross beam 3 at the corresponding positions, and threaded fasteners 5-1 are threaded, thereby further improving the node firmness of the beam body butt joint position.

[0032] In the technical scheme provided by the embodiment, the plate surface notch structure 5-2 is arranged on the side plate surface of the guide rail mounting beam 5 on the side opposite to the ground direction, which is used for avoiding the disassembly and assembly operation of the threaded fastener 5-1. In order to make the tightening or loosening operation of the threaded fastener 5-1 more convenient, the plate surface notch structure 5-2 is arranged on the side plate surface of the guide rail mounting beam 5 on the side that is relatively easy to operate, so as to leave a space for convenient operation and provide pre-avoidance.

[0033] In the technical scheme provided by the embodiment, the two side plates of the middle region of the cross beam 3 are provided with inwardly bent flanging structures 3-1, and the flanging structures 3-1 of the cross beam 3 are fixedly connected with the reinforcing cross plates 4. The design optimizes the structure of the cross beam 3 connected with the main counterweight guide rail 1, and the flanging structures 3-1 and the reinforcing cross plates 4 further increase the bending and torsional strength of the steel beam through the structure. On this basis, the reinforcing cross plates 4 along the length direction of the cross beam 3 are welded and fixed in the middle section of the flanging structure 3-1 of the cross beam 3, further improving the strength of the steel beam.

[0034] In the technical scheme provided by the embodiment, the wall surface fixing part 6 is a straight angle channel steel beam, the end part of the wall surface fixing part 6 is fixedly connected with the end part of the guide rail mounting beam 5 at a right angle, and the middle region of the wall surface fixing part 6 is provided with a raised reinforcing rib structure 6-1. The design provides a preferred structure of the wall surface fixing part 6, which is a straight angle steel beam. The straight angle beam structure itself has good strength and is suitable for supporting the beam body. Since the guide rail mounting beam 5 is fixed to the wall surface at the end part, the reinforcing rib structure 6-1 is arranged in the middle part of the wall surface fixing part 6 to avoid the large length of the fixing part being easily deformed under pressure, and the beam body strength is ensured through the reinforcing rib structure 6-1.

[0035] In the technical scheme provided by the embodiment, the two end edges of the wall surface fixing part 6 are integrally connected with flanging reinforcing structures 6-2. The design provides another beam body reinforcing structure parallel to the above structure, and the flanging reinforcing structures 6-2 are arranged at the outer edges of the plate surface of the wall surface fixing part 6, so that the bending resistance of the beam body is greatly improved.

[0036] In the technical scheme provided by the embodiment, the wall surface fixing part 6 includes straight angle beams integrally connected and fixed in a straight line shape, one section of the straight angle beam body is parallel to the guide rail mounting beam 5 and is fixedly connected with the bottom surface of the guide rail mounting beam 5, and the other section of the straight angle beam body is fixedly connected with the shaft wall. The edges of the two straight line straight angle beams are provided with flanging reinforcing structures 6-2. The design provides another structure of the wall surface fixing part 6, which is in an L-shaped structure as a whole, that is, the middle part of the same beam body is bent at a right angle, and the beam body itself is an angle steel beam. One section of the wall surface fixing part 6 is parallel to the guide rail mounting beam 5 and is fixed to the bottom of the guide rail mounting beam 5, and the other section of the beam body is fixedly connected with the shaft wall and is provided with flanging reinforcing structures 6-2, so as to improve the torsional resistance of the beam body. Compared with the above design of the split wall surface fixing part 6, the structure is more convenient to assemble and reduces the assembly steps.

[0037] In the technical scheme provided by the embodiment, the side plate surface of the guide rail mounting beam 5 close to the ground side is provided with a positioning and adjusting long hole 7 parallel to the length direction of the guide rail mounting beam 5, the wall surface fixing part 6 is also provided with a positioning and adjusting long hole 7 in the region close to the guide rail mounting beam 5, the long axis directions of the positioning and adjusting long holes 7 on the guide rail mounting beam 5 and the wall surface fixing part 6 are perpendicular to each other, and the relative positions of the guide rail mounting beam 5 and the wall surface fixing part 6 are fixed by a fastening screw penetrating through the positioning and adjusting long holes 7 of the two beam bodies. The design is based on the structure of the above-mentioned fixing part, and the distance between the cross beam 3 and the elevator shaft wall is adjusted conveniently by using the right-angle structure of the guide rail mounting beam 5 and the wall surface fixing part 6. The positioning and adjusting long holes 7 are arranged in the beam body segments of the guide rail mounting beam 5 and the wall surface fixing part 6, the fastening screw is arranged in the positioning and adjusting long holes 7 at the overlapping position, the guide rail mounting beam 5 and the wall surface fixing part 6 are pulled away from each other, and the relative positions are locked and fixed by the fastening screw, so that the distance between the cross beam 3 and the elevator shaft wall can be adjusted conveniently.

[0038] In the technical scheme provided by the embodiment, the wall surface fixing part 6 comprises a first beam body segment 6-3 and a second beam body segment 6-4, the first beam body segment 6-3 is parallel to the guide rail mounting beam 5 and is arranged in the groove of the guide rail mounting beam 5, the middle region of the second beam body segment 6-4 is fixedly connected with the end of the first beam body segment 6-3, and the two form a T shape; the two side plate surfaces of the guide rail mounting beam 5 are provided with positioning and adjusting long holes 7 parallel to the length direction of the guide rail mounting beam 5, the first beam body is provided with a plurality of positioning and adjusting long holes 7 parallel to each other, the long axis directions of the positioning and adjusting long holes 7 on the guide rail mounting beam 5 and the wall surface fixing part 6 are perpendicular to each other, and the relative positions of the guide rail mounting beam 5 and the wall surface fixing part 6 are fixed by a fastening screw penetrating through the positioning and adjusting long holes 7 of the two beam bodies.

[0039] The design provides another parallel wall surface fixing part 6, the beam body shape of which is a T shape, the end of the first beam body segment 6-3 is fixed with the middle of the second beam body segment 6-4, the first beam body segment 6-3 is a C-shaped groove steel beam same as the guide rail mounting beam 5 and is arranged in the C-shaped groove of the guide rail mounting beam 5, and the positioning and adjusting long holes 7 are arranged on this basis to cooperate with the fastening screw, so that the first beam body segment 6-3 and the guide rail mounting beam 5 can be fixed simply, and the distance adjustment between the cross beam 3 and the elevator shaft wall can be realized quickly in the same way as the above-mentioned structure.

[0040] Although the utility model discloses as above, the protection scope of the utility model disclosed is not limited to this. The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. An elevator counterweight side support assembly, characterized in that, The system includes two parallel horizontal support components spaced at a predetermined distance. The two horizontal support components are connected by a main counterweight guide rail (1) and two side counterweight guide rails (2). The horizontal support components include a beam (3) for installing elevator car guide rails and side supports fixedly connected to both ends of the beam (3). The side supports include a wall fixing part (6) and a guide rail mounting beam (5) connected at right angles, which are used to connect to the elevator shaft wall and the corresponding side counterweight guide rail (2). The beam (3) and the guide rail mounting beam (5) are both channel steel beams with a right-angled C-shaped cross section. The end of the guide rail mounting beam (5) is vertically accommodated in the slot of the beam (3). The end face of the guide rail mounting beam (5) is perpendicular to its length direction and is attached to the inner side wall of the beam (3). The end face of the guide rail mounting beam (5) and the side wall of the beam (3) are fixed by threaded fasteners (5-1).

2. The elevator counterweight side support assembly according to claim 1, characterized in that, The middle plate near the end of the guide rail mounting beam (5) is extended and bent vertically to form the end face of the guide rail mounting beam (5), and the two sides of the end face are closed with the ends of the two side plates of the guide rail mounting beam (5).

3. The elevator counterweight side support assembly according to claim 2, characterized in that, Threaded fasteners (5-1) are installed between the two side plates at the end of the guide rail mounting beam (5) and the two side plates at the corresponding positions at the end of the crossbeam (3).

4. The elevator counterweight side support assembly according to any one of claims 1-3, characterized in that, The guide rail mounting beam (5) has a notch structure (5-2) on its side plate opposite to the ground direction to avoid the disassembly and assembly of the threaded fastener (5-1).

5. The elevator counterweight side support assembly according to claim 4, characterized in that, The two sides of the middle region of the crossbeam (3) are provided with inwardly bent flange structures (3-1), and the flange structures (3-1) of the crossbeam (3) are fixedly connected with reinforcing cross plates (4).

6. The elevator counterweight side support assembly according to claim 4, characterized in that, The wall fixing part (6) is a right-angled channel steel beam. The end of the wall fixing part (6) is fixed at a right angle to the end of the guide rail mounting beam (5). The middle area of ​​the wall fixing part (6) is provided with a raised reinforcing rib structure (6-1).

7. The elevator counterweight side support assembly according to claim 6, characterized in that, The two ends of the wall fixing part (6) are integrally connected with a flanged reinforcing structure (6-2).

8. The elevator counterweight side support assembly according to claim 4, characterized in that, The wall fixing part (6) includes a straight right-angle beam integrally connected and fixed in a right-angle shape. One section of the right-angle beam is parallel to the guide rail mounting beam (5) and is attached to the bottom surface of the guide rail mounting beam (5). The other section of the right-angle beam is attached to the elevator shaft wall. The edges of both straight right-angle beams are provided with flange reinforcement structures (6-2).

9. The elevator counterweight side support assembly according to claim 8, characterized in that, The guide rail mounting beam (5) has a positioning adjustment elongated hole (7) parallel to its length direction on the side plate surface near the ground. The wall fixing part (6) also has a positioning adjustment elongated hole (7) in the area where it is attached to the guide rail mounting beam (5). The long axis directions of the positioning adjustment elongated holes (7) on the guide rail mounting beam (5) and the wall fixing part (6) are perpendicular to each other. The relative positions of the guide rail mounting beam (5) and the wall fixing part (6) are fixed by fastening screws passing through the positioning adjustment elongated holes (7) of the two beams.

10. The elevator counterweight side support assembly according to claim 4, characterized in that, The wall fixing part (6) includes a first beam segment (6-3) and a second beam segment (6-4). The first beam segment (6-3) is parallel to the guide rail mounting beam (5) and is accommodated in the groove of the guide rail mounting beam (5). The middle area of ​​the second beam segment (6-4) is fixedly connected to the end of the first beam segment (6-3), and the two form a T-shape. The two sides of the guide rail mounting beam (5) are provided with positioning adjustment elongated holes (7) parallel to its length direction. The first beam is provided with a plurality of mutually parallel positioning adjustment elongated holes (7). The long axis directions of the positioning adjustment elongated holes (7) located on the guide rail mounting beam (5) and the wall fixing part (6) are perpendicular to each other. The relative positions of the guide rail mounting beam (5) and the wall fixing part (6) are fixed by fastening screws passing through the positioning adjustment elongated holes (7) of the two beams.

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