Mounting structure of car frame of three-door elevator

Abstract

The utility model belongs to the technical field of elevators, and particularly relates to a mounting structure of a car frame of a three-door elevator, which comprises a main lower beam, connecting upright posts and a main upper beam, the connecting upright posts are mounted at two ends of the upper surface of the main lower beam, two ends of the main upper beam are connected to the tops of the connecting upright posts, and an auxiliary lower beam is mounted on the upper surface of the main lower beam. The auxiliary lower beams and the main lower beams are arranged in a staggered mode, the two ends of each auxiliary lower beam are movably connected with connecting rods, and the tops of the connecting rods are connected with auxiliary upper beams. The main beam structures and the auxiliary beam structures are arranged in a crossed mode, three sets of elevator doors can be arranged at the crossed positions of the main beam structures and the auxiliary beam structures, the tops and the bottoms of the beam structures and the auxiliary beam structures are fixed through matching of the fixing holes and the fixing bolts, and the side walls of the main beam structures and the auxiliary beam structures are fixed through matching of the connecting supports and the bolts. By adopting the double-beam structure, the structural strength and stability of the bridge can be improved, and meanwhile, the auxiliary lower beam is located above the main lower beam, so that the requirement for the pit depth can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an installation structure of a car frame of a three-door elevator. Background Art

[0002] The car frame is the main load-bearing component of the car. Not only does its structure affect the layout of the entire car, but its balance performance also affects the operation of the elevator.

[0003] The invention patent, currently published with publication number CN110872049B, discloses a car frame comprising a car bottom, two sets of vertical beams, two sets of screw assemblies, an upper beam, two sets of safety clamps, two sets of lifting devices, a connecting rod assembly, two sets of upper guide shoes, and two sets of lower guide shoes. The two sets of vertical beams are arranged on both sides of the car bottom; the two sets of screw assemblies are arranged on the left and right sides of the car bottom, corresponding to the two sets of vertical beams respectively; the upper beam is horizontally fixed between the upper ends of the two sets of vertical beams; the two sets of safety clamps are respectively arranged in the two ends of the upper beam; the two sets of lifting devices are respectively arranged in front of the two ends of the upper beam; the connecting rod assembly is arranged in the front of the upper beam, and the two ends are connected to the two lifting devices respectively; the two sets of upper guide shoes are respectively arranged at the two ends of the top of the upper beam; the two sets of lower guide shoes are respectively arranged at the bottom of the two sets of vertical beams and fixed in the vertical recessed spaces with the openings facing outward of the vertical beams. The present invention has the advantages of reasonable structure, safety, simplicity, and applicability to shallow pit shafts.

[0004] The existing elevator bridge is equipped with a car with a single door or a double door, which cannot meet the use requirements of three doors during use. In addition, the middle part of the bottom plate of the existing bridge is fixed on the main lower beam, and the structural strength is low. The two ends of the bottom plate are in a suspended state, which may cause the bridge to tilt when the people in the car are unevenly distributed. In order to solve the above problems, this application proposes an installation structure for the car frame of a three-door elevator. Utility Model Content

[0005] (1) Purpose of the utility model

[0006] In order to solve the technical problems existing in the background technology, the utility model proposes an installation structure of a car frame of a three-door elevator. The main beam structure and the auxiliary beam structure are arranged in a cross shape, and three groups of elevator doors can be arranged at the intersection of the main beam structure and the auxiliary beam structure. The top and bottom of the beam structure and the auxiliary beam structure are fixed by matching fixing holes and fixing bolts, and the side walls of the main beam structure and the auxiliary beam structure are fixed by matching connecting brackets and bolts. The structural strength of the bridge frame can be improved by adopting a double-beam structure. At the same time, the auxiliary lower beam is located above the main lower beam, which can reduce the requirement for the pit depth to solve the problems raised in the background technology.

[0007] (2) Technical solution

[0008] In order to solve the above technical problems, the utility model provides a mounting structure for a car frame of a three-door elevator, comprising a main lower beam, a connecting column and a main upper beam, wherein the connecting column is mounted on both ends of the upper surface of the main lower beam, and both ends of the main upper beam are connected to the top of the connecting column. A secondary lower beam is mounted on the upper surface of the main lower beam, and the secondary lower beam and the main lower beam are arranged in a staggered manner. Both ends of the secondary lower beam are movably connected to a connecting rod, and the top of the connecting rod is connected to the secondary upper beam.

[0009] A shock-absorbing pad is installed at the middle part of the upper surface of the auxiliary lower beam.

[0010] Preferably, both ends of the auxiliary lower beam are rotatably connected to a guide pulley.

[0011] Preferably, the upper surface of the auxiliary lower beam is mounted with connectors via bolts, and the connectors are symmetrically arranged.

[0012] Preferably, a fixing hole is opened through the center of the upper surface of the auxiliary upper beam and the auxiliary lower beam, and a fixing bolt is threadedly connected to the middle of the surface of the main lower beam and the main upper beam, and the fixing bolt is connected through the fixing hole.

[0013] Preferably, both ends of the auxiliary lower beam and the auxiliary upper beam are penetrated by mounting holes, and both ends of the connecting rod are respectively plugged into the mounting holes.

[0014] Preferably, a fixing seat is welded to the bottom of the inner wall of each connecting column, a connecting bracket is installed on the surface of the fixing seat by bolts, and the other end of the connecting bracket is connected to the side wall of the auxiliary lower beam.

[0015] Preferably, a positioning slot is provided at the end of the connecting bracket, and the positioning slot is engaged with the end of the fixing seat.

[0016] The above technical solution of the utility model has the following beneficial technical effects:

[0017] 1. In the present invention, the main beam structure and the auxiliary beam structure are arranged in a cross shape, and three sets of elevator doors can be set at the intersection of the main beam structure and the auxiliary beam structure. The top and bottom of the beam structure and the auxiliary beam structure are fixed by fixing holes and fixing bolts. The side walls of the main beam structure and the auxiliary beam structure are fixed by connecting brackets and bolts. The use of a double-beam structure can improve the structural strength and stability of the bridge.

[0018] 2. In the present invention, the auxiliary lower beam is located above the main lower beam, which can reduce the requirement for the pit depth. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the installation structure of the car frame of a three-door elevator of the present invention;

[0020] Figure 2This is a schematic diagram of the main beam structure of the installation structure of the car frame of a three-door elevator of the present invention;

[0021] Figure 3 This is a schematic diagram of the sub-beam structure of the installation structure of the car frame of a three-door elevator of the present invention;

[0022] Figure 4 The utility model is a schematic diagram of the connecting bracket structure of the installation structure of the car frame of a three-door elevator.

[0023] Reference numerals:

[0024] 1. Main lower beam; 2. Connecting column; 3. Main upper beam; 4. Auxiliary lower beam; 5. Connecting piece; 6. Mounting hole; 7. Connecting rod; 8. Auxiliary upper beam; 9. Fixing hole; 10. Fixing bolt; 1. Fixing seat; 12. Connecting bracket; 13. Positioning slot; 14. Shock-absorbing pad. DETAILED DESCRIPTION

[0025] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely illustrative and are not intended to limit the scope of the present invention. Furthermore, descriptions of known structures and technologies are omitted in the following description to avoid unnecessary confusion regarding the concepts of the present invention.

[0026] like Figure 1-4 As shown, the present invention proposes an installation structure for a three-door elevator car frame, comprising a main lower beam 1, a connecting column 2, and a main upper beam 3. The connecting column 2 is mounted on both ends of the upper surface of the main lower beam 1, and both ends of the main upper beam 3 are connected to the top of the connecting column 2. Auxiliary lower beams 4 are mounted on the upper surface of the main lower beam 1, and the auxiliary lower beams 4 are staggered with the main lower beam 1. Both ends of the auxiliary lower beam 4 are movably connected to connecting rods 7, and the top of the connecting rod 7 is connected to an auxiliary upper beam 8.

[0027] A shock-absorbing pad 14 is installed in the middle of the upper surface of the auxiliary lower beam 4 .

[0028] It should be noted that the main lower beam 1 and the main upper beam 3 are connected by connecting columns 2, the auxiliary lower beam 4 and the auxiliary upper beam 8 are connected by connecting rods 7 and mounting holes 6, and are assembled by locking nuts. The main beam structure and the auxiliary beam structure are arranged in a cross shape, and three groups of elevator doors can be set at the intersection of the main beam structure and the auxiliary beam structure. The top and bottom of the main beam structure and the auxiliary beam structure are fixed by fixing holes 9 and fixing bolts 10, and the side walls of the main beam structure and the auxiliary beam structure are fixed by connecting brackets 12 and bolts. The structural strength of the bridge can be improved by adopting a double-beam structure. At the same time, the auxiliary lower beam 4 is located above the main lower beam 1, which can reduce the requirement for the depth of the pit.

[0029] In this embodiment, if Figure 3 As shown, both ends of the auxiliary lower beam 4 are rotatably connected to a wire pulley.

[0030] It should be noted that the wire pulley can guide the wire rope.

[0031] In this embodiment, if Figure 2 As shown, a connector 5 is mounted on the upper surface of the auxiliary lower beam 4 by means of bolts, and the connector 5 is symmetrically arranged.

[0032] It should be noted that the connecting member 5 can improve the structural strength of the auxiliary lower beam 4 .

[0033] In this embodiment, if Figure 2 and Figure 3 As shown, a fixing hole 9 is opened through the center of the upper surface of the auxiliary upper beam 8 and the auxiliary lower beam 4, and a fixing bolt 10 is threadedly connected to the middle of the surface of the main lower beam 1 and the main upper beam 3. The fixing bolt 10 is connected through the fixing hole 9, and mounting holes 6 are opened through both ends of the auxiliary lower beam 4 and the auxiliary upper beam 8, and the two ends of the connecting rod 7 are respectively plugged into the mounting holes 6.

[0034] It should be noted that the two ends of the connecting rod 7 are respectively plugged into the mounting holes 6, which can facilitate the connection of the auxiliary lower beam 4 and the auxiliary upper beam 8. At the same time, the top and bottom of the main beam structure and the auxiliary beam structure are fixed by matching the fixing holes 9 and the fixing bolts 10, which can improve the structural strength of the bridge.

[0035] In this embodiment, if Figure 3 and Figure 4 As shown, a fixing seat 11 is welded to the bottom of the inner wall of the connecting column 2, and a connecting bracket 12 is installed on the surface of the fixing seat 11 by bolts. The other end of the connecting bracket 12 is connected to the side wall of the auxiliary lower beam 4, and a positioning slot 13 is provided at the end of the connecting bracket 12, and the positioning slot 13 is clamped with the end of the fixing seat 11.

[0036] It should be noted that one end of the connecting bracket 12 is connected to the fixing seat 11 through the positioning slot 13, and at the same time, the two ends of the connecting bracket 12 are respectively connected to the main lower beam 1 and the auxiliary lower beam 4 by bolts, which can improve the structural strength of the bridge.

[0037] The working principle and usage process of the present invention are as follows: the main lower beam 1 and the main upper beam 3 are connected by connecting columns 2, the auxiliary lower beam 4 and the auxiliary upper beam 8 are connected by connecting rods 7 and mounting holes 6, and are assembled by locking nuts. The main beam structure and the auxiliary beam structure are arranged in a cross shape, and three groups of elevator doors can be arranged at the intersection of the main beam structure and the auxiliary beam structure. The top and bottom of the main beam structure and the auxiliary beam structure are fixed by fixing holes 9 and fixing bolts 10, and the side walls of the main beam structure and the auxiliary beam structure are fixed by connecting brackets 12 and bolts. The structural strength of the bridge can be improved by adopting a double-beam structure. At the same time, the auxiliary lower beam 4 is located above the main lower beam 1, which can reduce the requirement for the depth of the pit.

[0038] It should be understood that the above-described specific embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and do not constitute limitations of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the scope of protection of the present invention. In addition, the appended claims of the present invention are intended to cover all variations and modifications that fall within the scope and metes and bounds of the appended claims or their equivalents.

Claims

1. A mounting structure for a car frame of a three-door elevator, comprising a main lower beam (1), a connecting column (2) and a main upper beam (3), wherein the connecting column (2) is mounted at both ends of the upper surface of the main lower beam (1), and the two ends of the main upper beam (3) are connected to the top of the connecting column (2), characterized in that: A secondary lower beam (4) is installed on the upper surface of the main lower beam (1), and the secondary lower beam (4) and the main lower beam (1) are arranged in a staggered manner. Both ends of the secondary lower beam (4) are movably connected to a connecting rod (7), and the top of the connecting rod (7) is connected to the secondary upper beam (8); A shock-absorbing pad (14) is installed in the middle of the upper surface of the auxiliary lower beam (4).

2. The installation structure of a three-door elevator car frame according to claim 1, characterized in that: Both ends of the auxiliary lower beam (4) are rotatably connected to a guide wheel.

3. The installation structure of a three-door elevator car frame according to claim 2, characterized in that: A connecting piece (5) is installed on the upper surface of the auxiliary lower beam (4) via bolts, and the connecting piece (5) is symmetrically arranged.

4. The installation structure of a three-door elevator car frame according to claim 3, characterized in that: A fixing hole (9) is provided through the center of the upper surface of the auxiliary upper beam (8) and the auxiliary lower beam (4), and a fixing bolt (10) is threadedly connected to the middle of the surface of the main lower beam (1) and the main upper beam (3), and the fixing bolt (10) is connected to the fixing hole (9) through the thread.

5. The installation structure of a three-door elevator car frame according to claim 4, characterized in that: Both ends of the auxiliary lower beam (4) and the auxiliary upper beam (8) are penetrated by mounting holes (6), and both ends of the connecting rod (7) are respectively plugged into the mounting holes (6).

6. The installation structure of a car frame of a three-door elevator according to claim 5, characterized in that: A fixing seat (11) is welded to the bottom of the inner wall of each connecting column (2), a connecting bracket (12) is mounted on the surface of the fixing seat (11) via bolts, and the other end of the connecting bracket (12) is connected to the side wall of the auxiliary lower beam (4).

7. The installation structure of a three-door elevator car frame according to claim 6, characterized in that: A positioning slot (13) is provided at the end of the connecting bracket (12), and the positioning slot (13) is engaged with the end of the fixing seat (11).

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