Counterweight housing upper beam structure for elevator

Abstract

The utility model relates to a counterweight housing upper beam structure for an elevator. An existing counterweight housing upper beam structure is troublesome to install, and assembling efficiency is affected. The beam comprises a beam body and a wheel body assembly arranged on the beam body, the beam body comprises two opposite and parallel side plates and a connecting piece connected between the corresponding ends of the side plates in a bridging mode, the wheel body assembly comprises a wheel body, and a rotating shaft connected between the side plates in a bridging mode is arranged in the middle of the wheel body. The rotating shaft on the wheel body is bridged between the side plates, the wheel body is assembled and positioned, the side plates are fixedly connected and positioned through the connecting pieces, the requirement for the assembling precision of the connecting pieces is effectively lowered, a special support is not needed, the machining cost is lowered, the machining efficiency is improved, and the use experience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator field, concretely relates to a pair of counterweight frame upper beam structure for elevator. BACKGROUND

[0002] The pair of counterweight frame upper beam structure for existing elevator includes the beam body with the installation groove, two pieces of support plates which are parallel to each other and are vertically inserted in the beam body and the guide wheel group which is rotatably connected between the support plates, the slot of the installation groove is open upward, the guide wheel group includes two coaxial wheel bodies and the rotating shaft which is inserted along the wheel body axis, the both ends of the rotating shaft are rotatably inserted and installed in the middle part of the corresponding support plate, and the bottom wall of the installation groove is provided with the perforation for the counterweight rope. The pair of counterweight frame upper beam structure has the following problems:

[0003] 1, the support plate is vertically inserted in the installation groove, and the edge of the support plate is in contact with the slot wall of the installation groove and is welded and fixed, so that the support plates are parallel to each other and are vertically arranged, the distance between the support pieces is accurately positioned, the rotating shaft is effectively clamped and positioned, the beam body and the support plate need to be fixed and welded through the special support, the processing difficulty is increased, and the processing cost is increased.

[0004] 2, the beam body is formed by bending an integral metal plate, and the perforation needs to be arranged in the middle part of the metal plate, so that the processing difficulty is increased.

[0005] 3, the wheel body of the guide wheel group is a metal piece, which has the problems of heavy weight, rust and noise, and affects the use experience. INVENTION CONTENTS

[0006] In order to solve the problems in the prior art, the utility model provides a pair of counterweight frame upper beam structure for elevator, the wheel body is installed between the side plates through the rotating shaft, and the side plates are fixedly connected through the connecting piece, so that the assembly difficulty is reduced by simplifying the assembly structure, the wheel body assembly is accurately assembled, the special support is not needed, the processing cost is reduced, and the assembly efficiency is improved.

[0007] The utility model realizes the following mode: a pair of counterweight frame upper beam structure, including the beam body and the wheel body assembly arranged on the beam body, the beam body includes two pairs of vertical and parallel side plates and the connecting piece which is connected between the corresponding end portions of the side plates, the wheel body assembly includes the wheel body, and the rotating shaft is arranged between the side plates in the middle part of the wheel body. The rotating shaft of the wheel body is connected between the side plates, the wheel body is assembled and positioned, the side plates are fixedly positioned through the connecting piece, the assembly accuracy requirement of the connecting piece is effectively reduced, the special support is not needed, the processing cost is reduced, the processing efficiency is improved, and the use experience is improved.

[0008] As preferred, the connecting piece is shaped like a U, and both sides of the connecting piece are provided with flat welding surfaces, the connecting piece is attached to and welded with the corresponding side plate through the welding surfaces to enclose an assembly space between the side plate and the connecting piece for installing the wheel body assembly. Both sides of the connecting piece are provided with flat welding surfaces, which not only closely attach to the corresponding side wall, but also increase the welding area to improve the connection reliability and ensure that the side plates remain parallel.

[0009] As preferred, the beam body includes a baffle plate bridging between the corresponding top edge and bottom edge of the side plate, the edge of the baffle plate is bent to form a connecting edge, and the connecting edge is attached to and fixed with the corresponding bottom edge of the side plate through a fastener. The baffle plate is used to enclose the assembly space, which not only protects the wheel body assembly, but also effectively improves the structural strength of the beam body to ensure that the side plates are arranged parallel to each other.

[0010] As preferred, the wheel body is provided with a steel wire rope connected with the counterweight, the steel wire rope is wound around the wheel body and bridges between the counterweight and the car, the counterweight offsets the weight of the car to reduce the driving force required for lifting the car.

[0011] As preferred, the edge of the baffle plate is provided with a notch, the notch is arranged in a staggered manner with the bottom surface of the connecting piece and encloses a rope running channel for vertically placing the steel wire rope. The notch is provided on the edge of the baffle plate, which not only provides a rope running channel for the steel wire rope to prevent wear and tear, but also ensures that the baffle plate can block the bottom surface of the assembly space to protect the wheel body assembly.

[0012] As preferred, the baffle plate is provided with a rope running channel for vertically placing the steel wire rope. The rope running channel matches the laying path of the steel wire rope, which not only ensures that the steel wire rope can smoothly pass through the baffle plate to prevent wear and tear, but also ensures that the baffle plate can block the bottom surface of the assembly space to protect the wheel body assembly.

[0013] As preferred, the wheel body is provided with a rope blocking rod on both sides, the vertical projection of the rope blocking rod and the wheel body is arranged in a staggered manner to limit the steel wire rope by the rope blocking rod. The rope blocking rod limits the swing of the steel wire rope, which not only prevents the steel wire rope from coming off the embedded rope ring groove, but also ensures that the steel wire rope remains vertical to avoid the baffle plate through the rope running channel.

[0014] As preferred, the wheel body is two, and is arranged in the assembly space along the length direction of the side plate. Two wheel bodies are arranged to cooperate with the corresponding number of steel wire ropes to meet the use requirements. The wheel bodies are arranged in the assembly space to ensure that the two wheel bodies can operate independently without interfering with each other.

[0015] As preferred, the middle part of the side plate is provided with a fixing plate with a mounting hole, the fixing plate is sleeved on the end part of the corresponding rotating shaft through the mounting hole to limit the radial deviation of the rotating shaft. The fixing plate is fixedly connected with the side plate and clamps and positions the end part of the rotating shaft, ensuring the position of the rotating shaft in the assembly space and providing effective support for the wheel body.

[0016] As preferred, the fixing plate is fixedly connected with the side plate through fasteners, providing stable support for the rotating shaft and preventing the end part of the rotating shaft from deviating, ensuring the wheel body to rotate around the preset axis.

[0017] As preferred, the mounting hole is non-circular, and the mounting hole and the end part of the rotating shaft have the same cross-sectional profile to limit the deflection of the rotating shaft. By limiting the rotation of the rotating shaft, the support stability of the wheel body is improved. The wheel body is rotatably sleeved on the rotating shaft to guide the steel wire rope.

[0018] As preferred, the wheel body is made of nylon material, which not only ensures the structural strength of the wheel body to meet the use requirements, but also reduces the weight of the wheel body, facilitates transportation and assembly, and effectively reduces wear and noise caused by friction.

[0019] As preferred, the outer peripheral wall of the wheel body is provided with a rope embedding ring groove for embedding the steel wire rope. The rope embedding ring groove limits the position of the steel wire rope to prevent the steel wire rope from deviating from the wheel body.

[0020] The utility model discloses the beneficial effects of the utility model are as follows: the rotating shaft on the wheel body is connected between the side plates to assemble and position the wheel body, the side plates are fixedly connected and positioned through the connecting piece to fixedly connect and position the side plates, the assembly precision requirement of the connecting piece is effectively reduced, a special support is not needed, the processing cost is reduced, the processing efficiency is improved, and the use experience is improved. The rope channel is formed by the baffle, facilitating processing. The wheel body made of nylon material not only ensures the structural strength of the wheel body to meet the use requirements, but also reduces the weight of the wheel body, facilitates transportation and assembly, and effectively reduces wear and noise caused by friction. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic view of the upper beam structure of the counterweight frame.

[0022] Figure 2 It is a bottom view of the upper beam structure of the counterweight frame.

[0023] Figure 3 It is a disassembled schematic view of the upper beam structure of the counterweight frame.

[0024] In the drawings: 1, side plate, 2, connecting piece, 3, wheel body, 4, rotating shaft, 5, baffle, 6, connecting edge, 7, rope channel, 8, rope blocking rod, 9, fixing plate, 10, rope embedding ring groove. DETAILED DESCRIPTION

[0025] The utility model discloses further explain the essential characteristics of the utility model with the specific embodiments and the drawings of the specification.

[0026] As Figure 1 The utility model provides a kind of upper beam structure of counterweight frame for elevator, by beam body and the wheel body component being set on beam body, the beam body includes two pairs of parallel side plates 1 and the connecting piece 2 being bridged between the corresponding end of side plate 1, the wheel body component includes wheel body 3, the rotating shaft 4 bridged between the side plate 1 is equipped in wheel body 3 middle part.The rotating shaft 4 on wheel body 3 is bridged between side plate 1, and wheel body 3 is assembled and positioned, and side plate 1 is fixedly connected and positioned by connecting piece 2, and the assembly precision requirement of connecting piece 2 is effectively reduced, without using special support, reduce processing cost, improve processing efficiency, improve use experience.

[0027] In actual operation, the connecting piece 2 is shaped, the connecting piece 2 is equipped with the welding surface of flatness on both sides, the connecting piece 2 is pasted and welded with corresponding side plate 1 by welding surface, to be enclosed to form the assembly space for wheel body component installation between side plate 1 and connecting piece 2.The connecting piece 2 is bent into shape by long strip-shaped metal plate, so that connecting piece 2 has better structural strength.The connecting piece 2 includes two parallel vertical parts and the horizontal part bridged between the top end of vertical part, and the north face of vertical part forms the welding surface of flatness.

[0028] When installing, as Figure 3 First, the connecting piece 2 is pasted and welded with corresponding side plate 1 by welding surface on both sides, to make connecting piece 2 bridged between the corresponding end of side plate 1, and the assembly space is formed by side plate 1 and connecting piece 2;After that, wheel body 3 is sleeved on rotating shaft 4, and fixed plate 9 is sleeved on the end of rotating shaft 4, so that wheel body 3 is arranged between the fixed plate 9;Then, rotating shaft 4 with fixed plate 9 and wheel body 3 is inserted into the assembly space, and fixed plate 9 is pasted in the middle of side plate 1 and is fixed by fastener, and rotating shaft 4 is fixed in the assembly space by fixed plate 9, so that wheel body 3 can rotate around rotating shaft 4 as the center;Finally, baffle 5 is covered on the top and bottom of assembly space, to form the rope channel 7 on the bottom surface of assembly space.

[0029] When installing, connecting piece 2 plays a role of fixed connection to side plate 1, to ensure that the relative position between side plate 1 is fixed, and to ensure that the size of assembly space meets the installation demand of wheel body component.The installation precision requirement between side plate 1 and connecting piece 2 is smaller, so that the production and assembly are convenient and fast, and the production efficiency is improved.

[0030] In actual operation, the baffle 5 arranged at the bottom of assembly space is an integral structure, and the wire channel is formed for steel wire rope to pass through after baffle 5 is installed (as Figure 2The beam body includes the baffle 5 bridged between the corresponding top edge and bottom edge of the side plate 1, the edge of the baffle 5 is connected with the connecting edge 6 formed by bending, the connecting edge 6 is attached with the bottom edge of the corresponding side plate 1 and is fixed by the fastener, the width of the baffle 5 corresponds to the distance between the side plate 1, the edge of the baffle 5 is attached with the side plate 1 by the connecting edge 6 and is fixed by the fastener, which facilitates disassembly and maintenance and ensures the connection reliability. The wire channel can be formed by the following two ways:

[0031] The first way is that the edge of the baffle 5 is provided with a notch, the notch is arranged in the offset position of the bottom surface of the connecting piece 2 and is enclosed to form the wire channel 7 for the vertical placement of the steel wire rope.

[0032] The second way is that the baffle 5 is provided with the wire channel 7 for the vertical placement of the steel wire rope.

[0033] The baffle 5 can be used alone in the first way or the second way to obtain the wire channel 7, or can be used in combination in the first way and the second way to obtain multiple wire channels 7 to meet the placement and laying requirements of the steel wire rope, which should be regarded as the specific embodiments of the utility model.

[0034] In actual operation, the wheel body 3 is provided with the steel wire rope connected with the counterweight. The baffle 5 is disassembled to facilitate the placement and laying of the steel wire rope, and the steel wire rope can be effectively fixed to facilitate maintenance. Specifically, the outer peripheral wall of the wheel body 3 is provided with the rope embedding ring groove 10 for embedding the steel wire rope, and the both sides of the wheel body 3 are provided with the rope blocking rod 8, the vertical projection of the rope blocking rod 8 and the wheel body 3 is arranged in the offset position, so that the steel wire rope is limited by the rope blocking rod 8. The steel wire rope is embedded in the rope embedding ring groove 10 and is positioned by the rope blocking rod 8, so that the steel wire rope cannot be separated from the rope embedding ring groove 10, and the wheel body 3 can effectively bear the weight of the counterweight and the car.

[0035] In actual operation, the wheel body 3 is two, and is arranged in the assembly space along the length direction of the side plate 1. The rope blocking rod 8 is three, and is arranged by the wheel body 3, so that the steel wire rope on each wheel body 3 can be effectively limited by the rope blocking rod 8.

[0036] In actual operation, the middle part of the side plate 1 is provided with the fixed plate 9 with the mounting hole, the fixed plate 9 is sleeved on the end of the corresponding rotating shaft 4 through the mounting hole to limit the radial deviation of the rotating shaft 4. The fixed plate 9 is fixed on the side plate 1 by the fastener, the middle part of the fixed plate 9 is provided with the through hole, and the peripheral edge is provided with at least three screw holes for the fastener, so that the fixed plate 9 is fixed on the side plate 1, and the deviation or deflection of the fixed plate 9 due to external force is prevented.

[0037] In actual operation, the mounting hole is non-circular, and the mounting hole and the end of the rotating shaft 4 have the same cross-sectional profile to limit the deflection of the rotating shaft 4. The mounting hole is a waist-shaped hole, which not only ensures that the end of the rotating shaft 4 has good bending resistance, but also ensures that the rotating shaft 4 does not deflect relative to the fixed plate 9.

[0038] In actual operation, the wheel body 3 is made of nylon, which not only ensures that the structural strength of the wheel body 3 meets the use requirements, but also effectively reduces the weight of the wheel body 3, facilitates transportation and use, reduces noise caused by friction, and improves the use experience.

Claims

1. An upper beam structure of a counterweight for an elevator, comprising a beam body and a wheel body assembly provided on the beam body, characterized in that, The beam body comprises two pairs of parallel side plates (1) and connecting pieces (2) bridging between the corresponding ends of the side plates (1), and the wheel body assembly comprises a wheel body (3) with a rotating shaft (4) bridging between the side plates (1).

2. The structure of the upper beam of the counterweight frame for the elevator according to claim 1, characterized in that, The connecting piece (2) is in the shape of a Chinese character and is provided with flat welding surfaces on both sides, and the connecting piece (2) is adhered and welded to the corresponding side plate (1) through the welding surfaces to form an assembly space for the wheel body assembly.

3. The structure of the upper beam of the counterweight frame for the elevator according to claim 1, characterized in that, The beam body comprises a baffle (5) bridging between the corresponding top and bottom edges of the side plates (1), and the edge of the baffle (5) is bent to form a connecting edge (6) adhered to the bottom edge of the corresponding side plate (1) and fixed by a fastener.

4. The structure of the upper beam of the counterweight frame for the elevator according to claim 3, characterized in that, The wheel body (3) is provided with a steel wire rope connected to a counterweight.

5. The structure of the upper beam of the counterweight frame for the elevator according to claim 4, characterized in that, The edge of the baffle (5) is provided with a notch, and the notch is arranged in a staggered manner with the bottom surface of the connecting piece (2) to form a rope running channel (7) for the vertical placement of the steel wire rope; or the baffle (5) is provided with a rope running channel (7) for the vertical placement of the steel wire rope; or the wheel body (3) is provided with a rope blocking rod (8) on both sides, and the vertical projections of the rope blocking rod (8) and the wheel body (3) are arranged in a staggered manner, so that the steel wire rope is limited by the rope blocking rod (8).

6. The structure of the upper beam of the counterweight frame for the elevator according to any one of claims 2 to 5, characterized in that, The wheel body (3) is two, and is arranged in the assembly space along the length direction of the side plate (1).

7. The structure of the upper beam of the counterweight frame for the elevator according to any one of claims 1 to 5, characterized in that, The middle part of the side plate (1) is provided with a fixed plate (9) with a mounting hole, and the fixed plate (9) is sleeved on the end of the corresponding rotating shaft (4) through the mounting hole to limit the radial deviation of the rotating shaft (4).

8. The structure of the upper beam of the counterweight frame for the elevator according to claim 7, characterized in that, The fixed plate (9) is fixed on the side plate (1) by a fastener; or the mounting hole is non-circular, and the mounting hole and the end of the rotating shaft (4) have the same cross-sectional profile to limit the deflection of the rotating shaft (4).

9. The structure of the upper beam of the counterweight frame for the elevator according to any one of claims 1 to 5, characterized in that, The wheel body (3) is made of nylon.

10. The structure of the upper beam of the counterweight frame for the elevator according to any one of claims 1 to 5, characterized in that, The outer peripheral wall of the wheel body (3) is provided with an embedded rope ring groove (10) for embedding the steel wire rope.

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