CN214456058U - Passenger elevator machine room with single suspension guide device - Google Patents

Abstract

The utility model discloses a passenger elevator machine room with a single suspension guide device, which is characterized by comprising two main bearing beams which are arranged in parallel, wherein two ends of each main bearing beam are respectively positioned in a bearing wall of the machine room, a traction machine is arranged between the two main bearing beams through a first cross beam group, and a rope head assembly is arranged between the two main bearing beams through a second cross beam group; a guide wheel is arranged obliquely below a driving wheel of the traction machine and is fixed at the bottom of one of the two main bearing beams through a suspension shaft. Redundant additional supports and wall fixing positions of the machine room are reduced, the installation process is simplified, and the installation precision is improved; the design of the guide wheel in the form of a single cantilever increases the wrap angle of the traction wheel, improves the power transmission efficiency, does not need to disassemble a frame or a host machine and other mechanisms when the guide wheel is maintained and replaced, has sufficient upper space of the guide wheel and is convenient to maintain, install and operate.

Description

Passenger elevator machine room with single suspension guide device

Technical Field

The utility model relates to an elevator technique, especially a passenger elevator machine room of single suspension guider.

Background

At present, the machine frame and related accessories in a mainstream machine room in the market are all formed by processing section bars, a main bearing beam generally adopts I-shaped steel to meet the stress requirement, and two ends of the main bearing beam are respectively inserted into a bearing wall body; the frame is welded by channel steel, and the main machine and the guide wheels are arranged on the frame; the stress points of four corners of the lower part of the frame are subjected to noise reduction and vibration elimination through a shock pad which is reasonably designed through calculation; and a counterweight steel wire rope fixing plate is arranged at the corresponding part of the counterweight steel wire rope; and a steel wire rope fixing plate is arranged at the position corresponding to the steel wire rope of the lift car. If patent publication No. CN203294992U, an elevator hauler and fixed frame thereof, including hauler base, hauler support, bearing crossbeam and shock pad, all directly fixed between hauler base and the hauler support and between hauler support and the bearing crossbeam, the shock pad sets up the below at the bearing crossbeam both ends. Still like the traction device of a high-speed elevator that patent publication number designed for CN205652971U, including hauler base, hauler and driving sheave, the downside of hauler base still is fixed with the leading wheel device, and the leading wheel device includes support, fixed axle, bearing and leading wheel, and the leading wheel passes through the bearing to be installed on the fixed axle, fixed axle and support fixed connection are equipped with two self-aligning roller bearings between leading wheel and the fixed axle, and the outside of two self-aligning roller bearings still is equipped with the bearing cap of fixing on the inner circle of leading wheel. Although the structural members in the machine room can meet the requirements of use and elevator related standards, the following problems exist: firstly, the bearing wall of the machine room generally needs three-side holes to meet the support of multiple edges and multiple heads; and secondly, the guide wheels are not easy to replace and install, and particularly bring great difficulty to maintenance in elevator shaft use places.

Disclosure of Invention

The utility model aims at solving the above problem, a passenger elevator machine room of single suspension guider is provided, it has great, characteristics such as easy to assemble and maintenance of driving sheave cornerite.

The above technical problem of the present invention can be solved by the following technical solutions: a passenger elevator machine room with a single suspension guide device is characterized by comprising two main bearing beams which are arranged in parallel, wherein two ends of each main bearing beam are respectively positioned in a machine room bearing wall, a traction machine is arranged between the two main bearing beams through a first cross beam group, and a rope head assembly is arranged between the two main bearing beams through a second cross beam group; a guide wheel is arranged obliquely below a driving wheel of the traction machine and is fixed at the bottom of one of the two main bearing beams through a suspension shaft.

In the aforementioned passenger elevator machine room with a single suspension guide device, it is preferable that a rope hitch is superimposed on a beam body of one of two main load-bearing beams arranged in parallel, and a counterweight rope is installed through the rope hitch.

In the passenger elevator machine room with the single suspension guide device, preferably, main beam embedded channel steel is respectively arranged at two ends of the two main bearing beams which are arranged in parallel.

In the passenger elevator machine room with the single suspension guide device, preferably, a shock absorption pad is arranged between the traction machine base and the main bearing beam.

In the passenger elevator machine room with the single suspension guide device, preferably, the suspension shaft is provided with axial limiting clamping grooves at two sides of the guide wheel.

In the passenger elevator machine room of the single suspension guide device, preferably, the operation center plane of the guide wheel and the rope head assembly is positioned on the same plane with the operation center plane of the traction sheave.

In the passenger elevator machine room with the single suspension guide device, preferably, a rod penetrating hole is formed vertically in the main bearing beam provided with the counterweight rope head.

In the passenger elevator machine room with the single suspension guide device, preferably, the guide wheel part is provided with a rope blocking rod fixed between the two main bearing beams.

In the passenger elevator machine room with the single suspension guide device, preferably, the main bearing beam is provided with a speed limiter.

This technical scheme constitutes the frame main part by two parallel arrangement's main spandrel girder according to elevator machine room drive arrangement basic technical requirement, satisfies to bear the car completely to heavy all weight's prerequisite under, retrencies complicated horizontal extension component, makes the machine room only need both sides trompil, reduces the multiaspect phenomenon of relying on the machine room bearing wall. The main bearing beams are connected between the two main bearing beams by using supporting pieces (namely cross beams) of all functional parts, so that a complete independent mechanism is formed, and only two ends of each main bearing beam are positioned in a bearing wall of a machine room during installation. The functional component supporting pieces comprise a first beam group for installing the traction machine and a second beam group for installing the rope head component, so that the normal operation of all functions of the driving system is ensured, and the counterweight rope head, the speed limiter and the like are directly installed at corresponding parts of the main bearing beam, so that the whole structure is more balanced and the stress distribution is realized.

The technical scheme makes full use of the limited height space, the guide wheel is arranged under the state that the wrap angle of the traction wheel is increased as far as possible under the oblique lower part of the driving wheel of the traction machine, and meanwhile, the upper part of the guide wheel has sufficient moving range, so that the space requirements of maintenance and replacement and installation of the guide wheel can be completely met. Furthermore, the guide wheel is fixed at the bottom of a main bearing beam through the suspension shaft to form an independent single suspension fixing mode, so that the operation can be easily and simply finished without disassembling a frame or a host machine when the guide wheel is maintained and replaced, and the maintenance and the installation become light and easy. The guide wheel on the suspension shaft eliminates the axial degree of freedom by parts such as a limiting clamping groove, a shaft clamp and the like, and prevents the guide wheel from shifting left and right due to axial stress.

In the aspect of details, install through the rope hitch plate of stack on main spandrel girder to heavy fag end, satisfying under the prerequisite of heavy fag end screw rod installation requirement, guarantee the sufficient structural strength of main spandrel girder, this kind need not side and extends the structure of additional support moreover, has also avoided the size deviation because of the processing degree of difficulty is big and cause.

Compared with the prior art, the beneficial effects of the utility model are that: under the technical support that the two main bearing beams completely bear all the weight of the car to the counterweight, redundant additional supports and wall fixing positions of a machine room are reduced, the installation process is simplified, and the installation precision is improved; the design of the guide wheel in the form of a single cantilever increases the wrap angle of the traction wheel, improves the power transmission efficiency, does not need to disassemble a frame or a host machine and other mechanisms when the guide wheel is maintained and replaced, has sufficient upper space of the guide wheel and is convenient to maintain, install and operate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a schematic sectional view of the main load-bearing beam portion at a-a in fig. 3.

Fig. 5 is a partial structure diagram of a guide wheel of a suspension shaft according to the present invention.

In the figure: 1. the main bearing beam, 2, a traction machine, 3, a guide wheel, 4, a bearing wall, 5, a traction machine base, 6, a shock pad, 7, a suspension shaft, 8, a rope head assembly, 9, a speed limiter, 10, a second cross beam assembly, 11, a first cross beam assembly, 12, a main beam embedded channel steel, 13, a rope hitch plate, 14, a side rib plate, 15, a bottom fixing plate and 16, a counterweight rope head.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

The passenger elevator machine room with the single suspension guide device is characterized in that two I-shaped steel main bearing beams 1 with the same length and arranged in parallel are arranged in a passenger elevator machine room with the single suspension guide device according to the embodiment shown in the figures 1 to 3, two ends of the two main bearing beams 1 are connected through girder embedded channel steel 12 respectively to form a rectangular frame structure, and two ends of each main bearing beam 1 and the girder embedded channel steel 12 are positioned in a machine room bearing wall 4 together during installation.

A traction machine 2 is arranged between two main bearing beams 1 through a first beam group 11, specifically, the traction machine 2 is provided with a traction machine base 5, and shock pads 6 are arranged between the base and four contact points of the main bearing beams 1. A guide wheel 3 is arranged obliquely below a driving wheel of the traction machine 2 and avoids a first cross beam group 11, and the guide wheel 3 is fixed at the bottom of one of the two main bearing beams 1 through a suspension shaft 7 to form a single suspension fixing form. The guide wheel 3 is also provided with a rope blocking rod fixed between the two main bearing beams 1. In the main bearing beam 1 provided with the suspension shaft 7, a plurality of side rib plates 14 are respectively arranged at the web parts at the two sides of the I-shaped steel, and a bottom fixing plate 15 is additionally arranged on the bottom surface of the I-shaped steel, as shown in fig. 5. The two sides of the guide wheel 3 on the suspension shaft 7 are respectively provided with an axial limiting clamping groove, and clamping rings are assembled through the limiting clamping grooves.

Further, a head assembly 8 is installed between the two main bearing beams 1 through a second beam group 10, the head assembly 8 is positioned on the other side of the traction machine 2 opposite to the guide wheel 3, and the operation center planes of the traction wheel of the traction machine 2, the guide wheel 3 and the head assembly 8 are positioned in the same plane.

A rope hitch plate 13 is superposed on the beam body of one of the two main bearing beams 1 arranged in parallel, and as shown in fig. 4, a counterweight rope hitch 16 is installed through the rope hitch plate 13. During manufacturing, a rod penetrating hole which penetrates through the main bearing beam 1 is formed in the vertical direction on the counterweight rope head 16. Certainly, a plurality of side rib plates are respectively arranged on the web plate parts on the two sides of the I-steel for analyzing the stress points.

In addition, a speed limiter 9 is arranged on the main bearing beam 1, and the speed limiter 9 is positioned on the other main bearing beam 1 opposite to the counterweight rope head 16.

The above embodiments are descriptions of the present invention, not limitations of the present invention, and any structure after simple transformation is all included in the protection scope of the present invention.

Claims (9)

1. A passenger elevator machine room with a single suspension guide device is characterized by comprising two main bearing beams (1) which are arranged in parallel, wherein two ends of each main bearing beam are respectively positioned in a machine room bearing wall (4), a traction machine (2) is arranged between the two main bearing beams through a first cross beam group (11), and a rope head assembly (8) is arranged between the two main bearing beams through a second cross beam group (10); a guide wheel (3) is arranged obliquely below a driving wheel of the traction machine and is fixed at the bottom of one of the two main bearing beams through a suspension shaft (7).

2. Passenger elevator machine room with single suspension guide according to claim 1, characterized in that a rope hitch (13) is superimposed on the beam body of one of the two main beams (1) arranged in parallel, through which hitch a counterweight rope (16) is mounted.

3. Passenger elevator machine room with single suspension guide according to claim 1, characterized in that at both ends of the two parallel main beams (1) there are girder embedded channels (12).

4. Passenger elevator machine room with single suspension guide according to claim 1, characterized in that between the traction machine (2) base and the main girder (1) is arranged a shock pad (6).

5. Passenger elevator machine room with single suspension guide according to claim 1, characterized in that on the suspension shaft (7) there are axial limit notches on both sides of the guide wheel (3).

6. Passenger elevator machine room with single suspension guide according to claim 1 or 5, characterized in that the operating centre plane of the guide sheave (3), the rope head assembly (8) and the operating centre plane of the traction sheave are in the same plane.

7. Passenger elevator machine room with single suspension guide according to claim 2, characterized in that the main beam (1) with counterweight rope (16) has vertically through-going rod-passing holes.

8. Passenger elevator machine room with single suspension guide according to claim 1, characterized in that the guide wheel (3) is provided with a rope stop fixed between two main beams (1).

9. Passenger elevator machine room with single suspension guide according to claim 1, characterized in that the main girder (1) is provided with a speed limiter (9).

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