CN107032217A - Compact side counterweight elevator hoistway layout structure and its method - Google Patents

Abstract

Compact side counterweight elevator hoistway layout structure and its method of the present invention, traction machine is using angularly disposed, the vertical center line of traction sheave side race and race on the outside of crosshead sheave coincides, traction sheave opposite side race is coincided with the vertical center line to roller nearside wheel groove, it is ensured that elevator Heave Here is maintained in car center of gravity；Layout structure includes elevator hoistways, computer room, car, counterweight, traction machine and load-bearing girder steel, also include traction sheave, hoist ropes, to roller, elevator car frame, car guide rail, counter weight guide track and common guide rails support, pass through the technical program, by counterweight be arranged on elevator hoistways be originally space corner in, eliminate enclosed counterweight rail bracket, and it is shared with car guide rail to realize counter weight guide track, in the case where not changing elevator hoistways size, all component layouts reach most compact in elevator hoistways, so as to the effective usable floor area for expanding car, increase using effect.

Description

Layout structure and method of shaft of compact side counterweight elevator

technical field

The invention relates to an elevator shaft layout of an elevator, in particular to a compact side counterweight elevator shaft layout structure and a method thereof.

Background technique

In the prior art, as shown in Figure 1, the side counterweight elevator with the same load usually takes up a larger area of the elevator shaft 2 than the rear counterweight elevator, mainly because in order to ensure that the elevator car 1 In the layout of the elevator shaft 2, the center line of the car top wheel or car bottom wheel should coincide with the center line of the car guide rail 4 as much as possible. At the same time, in order to meet this condition, elevator manufacturers usually use the two sides of the car 1 as the car guide rail 4 , the car guide rail 4 is fixed on the outside of the guide rail bracket, the large guide rail bracket 5 surrounds the counterweight, and the counterweight guide rail 7 is fixed on the inside of the large guide rail bracket 5. With this layout method, there is a car between the car 1 and the counterweight The distance between the guide rail 4 and a large guide rail support 5, therefore, in the civil construction, the elevator shaft 2 should be designed slightly wider in the width direction, which increases the occupied area and construction cost of the elevator shaft 2. At the same time, in this layout The large guide rail bracket 5 will surround the counterweight as a whole, and more large guide rail brackets 5 are needed in total, which increases the manufacturing cost of the elevator.

Contents of the invention

In view of this, the main purpose of the present invention is to provide a compact side counterweight elevator shaft layout structure and its method. Through this technical solution, the positions of the elevator car, counterweight, traction machine and other components can be reasonably and effectively arranged , so that the layout of the elevator shaft is more compact, so without changing the size of the elevator shaft, the elevator car with a larger area can be put down, and the standard shovel stretcher can be placed obliquely in the car. Existing deficiencies in the prior art.

In order to achieve the above object, the technical solution of the present invention is achieved in that:

A compact side-counterweight elevator shaft layout method, the traction machine is installed obliquely, the vertical center line of the wheel groove on one side of the traction sheave coincides with the vertical center line of the outer wheel groove of the car roof wheel, and the wheel groove on the other side of the traction sheave coincides with The vertical centerlines of the inner wheel grooves of the counterwheels coincide to ensure that the lifting point of the elevator remains on the center of gravity of the car. At the same time, the car guide rail and the top wheel of the car are offset, so that the elevator counterweight can be set in the original space of the elevator shaft in the corner.

A compact side counterweight elevator shaft layout structure, including elevator shaft, machine room, car, counterweight, traction machine and load-bearing steel beams, the machine room is set on the top of the elevator shaft, and the load-bearing steel beams are horizontally mounted in the machine room, The traction machine is set on the load-bearing steel beam, the car is set in the elevator shaft, and the car frame is set on the car frame. The car top wheel is fixed on the car frame, and the center of the car top wheel coincides with the center of the top of the car. It also includes counterweight wheels, traction wheels, traction ropes, car guide rails, counterweight guide rails and shared guide rail brackets, one end of the traction rope is connected to the load-bearing steel beam, and the other end goes around the counterweight wheels downwards, and then Go around the traction sheave upwards, then go around the car top sheave downwards and then fix it on the load-bearing steel beam; The wheel groove on the other side coincides with the vertical centerline of the inner wheel groove of the counterweight wheel; the car guide rail on the side of the car is fixed on the side wall of the elevator shaft, and the common guide rail bracket is composed of several, respectively from top to bottom. The lower distribution is fixed on the side wall on the other side of the elevator shaft, and the car guide rails on the other side of the car are respectively fixed on the front of several shared guide rail brackets, and the car moves up and down along the car guide rails on both sides; the counterweight is set On the side of the car and the common guide rail bracket in the elevator shaft, the counterweight guide rails on the side of the counterweight are respectively fixed on the sides of the corresponding several shared guide rail brackets, and the counterweight guide rails on the other side of the counterweight are fixedly arranged On the corresponding side wall of the elevator shaft, the counterweight can move up and down along the counterweight guide rail.

As a further technical solution, the four corners of the upper beam and the lower beam in the car frame of the car are provided with cross beam corners, and the counterweight block in the counterweight is an octagonal counterweight with counterweight corners. Piece.

As a further technical solution, the car top wheels are of double-wheel structure.

As a further technical solution, the two ends of the traction rope are respectively connected to the counterweight side rope end plate and the car side rope end plate, and the counterweight side rope end plate and the car side rope end plate are respectively fixed on the load-bearing on the corresponding position of the steel beam.

The beneficial effect of adopting the above technical solution is: a compact side counterweight elevator shaft layout structure and its method. Through this technical solution, it is ensured that the lifting point of the elevator remains on the center of gravity of the car, and the counterweight is set at the original position of the elevator shaft. In the corner of the gap, the closed counterweight guide rail bracket is omitted, and the counterweight guide rail and the car guide rail are shared. Without changing the size of the elevator shaft, the layout of all components in the elevator shaft is the most compact, so that Effectively expand the use area of the car, increase the use effect, and at the same time reduce the floor area of the elevator shaft without increasing the area of the car, greatly saving construction costs.

Description of drawings

Fig. 1 is a schematic diagram of the planar layout of a side counterweight elevator shaft in the prior art.

Fig. 2 is a front view structural diagram of the overall elevator shaft layout of the present invention.

Fig. 3 is a schematic diagram of the cross-sectional structure along the line A-A of Fig. 2 .

Fig. 4 is a schematic diagram of the cross-sectional structure along B-B in Fig. 2 .

In the figure, 1 car, 2 elevator shaft, 3 car top wheel, 4 car guide rail, 5 large guide rail bracket, 6 counterweight, 7 counterweight guide rail, 8 traction machine, 9 traction wheel, 10 machine room, 11 load bearing Steel girders, 12 traction ropes, 13 counterweight wheels, 14 common guide rail brackets, 15 car frames, 16 upper beams, 17 lower beams, 18 beam angles, 19 weight angles, 20 weight side rope head plates, 21 Car side rope head plate.

detailed description

The specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 2-Fig. 4, in the shaft layout method of the compact side counterweight elevator involved in the present invention, the traction machine 8 adopts an oblique setting, and the wheel groove on one side of the traction sheave 9 is perpendicular to the wheel groove on the outer side of the car top wheel 3. The center line coincides, and the vertical center line of the wheel groove on the other side of the traction sheave 9 coincides with the vertical center line of the inner wheel groove of the counterweight wheel 13, so as to ensure that the lifting point of the elevator remains on the center of gravity of the car 1, and at the same time, the car guide rail 4 and the car top wheel 3 adopts offset setting, so that the elevator counterweight 6 can be arranged in the corner of the elevator shaft that is originally a gap.

The layout structure of the compact side-counterweight elevator shaft according to the present invention includes an elevator shaft 2, a machine room 10, a car 1, a counterweight 6, a traction machine 8 and a load-bearing steel beam 11, and the machine room 10 is arranged on the top of the elevator shaft 2 , the load-bearing steel beam 11 is horizontally mounted in the machine room 10, the traction machine 8 is arranged on the load-bearing steel beam 11, the car 1 is arranged in the elevator shaft 2, the car frame 15 is arranged on the car 1, and the car top wheel 3 Fixed on the upper beam 16 of the car frame 15, the center of the top wheel 3 of the car coincides with the center of the top of the car 1, and also includes a counterweight wheel 13, a traction wheel 9, a traction rope 12, a car guide rail 4, and a counterweight The guide rail 7 and the common guide rail bracket 14, the counterweight 6 is provided with a counterweight wheel 13, one end of the traction rope 12 is connected with the load-bearing steel beam 11, and the other end bypasses the counterweight wheel 13 downwards, and then goes up Pass the traction sheave 9, then go around the car top sheave 3 downwards and fix it on the load-bearing steel beam 11; The wheel groove on the other side of the traction sheave 9 coincides with the vertical center line of the inner wheel groove of the counterweight wheel 13; the car guide rail 4 on one side of the car 1 is fixed on the side wall of the elevator shaft 2, and the guide rail bracket 14 is shared. It is composed of several, distributed from top to bottom and fixed on the side wall of the other side of the elevator shaft 2, and the car guide rails 4 on the other side of the car 1 are respectively fixed on the front of several shared guide rail brackets 14. The car 1 It can move up and down along the car guide rail 4; the counterweight 6 is arranged on the side of the car 1 and the common guide rail bracket 14 in the elevator shaft 2, and the counterweight guide rails 7 on the side of the counterweight 6 are respectively fixed on the corresponding On the side of several shared guide rail brackets 14, the counterweight guide rail 7 on the other side of the counterweight 6 is fixedly arranged on the side wall of the corresponding elevator shaft 2, and the counterweight 6 can move up and down along the counterweight guide rail 7.

In the embodiment of the present invention, the four corners of the upper beam and the lower beam in the car frame 15 of the car 1 are provided with crossbeam corners 16, and the counterweight blocks in the counterweight 6 are provided with counterweights. The octagonal counterweight of angle 17.

In the embodiment of the present invention, the car top wheel 3 has a double-wheel structure.

In the embodiment of the present invention, the two ends of the traction rope 12 are respectively connected to the counterweight side rope end plate 17 and the car side rope end plate 18, and the counterweight side rope end plate 17 and the car side rope The head plates 18 are respectively fixed on the corresponding positions of the load-bearing steel beams 11 .

In the embodiment of the present invention, the traction ratio of the car 1 to the counterweight 6 is 2:1.

In the embodiment of the present invention, two load-bearing steel beams 11 are fixed, and a traction machine 8 is fixed on the load-bearing steel beams 11. The traction machine 8 is a permanent magnet synchronous traction machine, and the traction wheel on the traction machine 8 is The diameter of 9 is 400nm, through rational arrangement, in order to make the traction rope 12 walk around the traction sheave 9, connect the car top wheel 3 and the counterweight wheel 13 with the optimal angle, guarantee the car 1 stable at the same time, the elevator's The car top wheel 3 is designed as a double-wheel structure, and the center line of the car top wheel 3 of the elevator is not on the same line as the center line of the car guide rail 4, so that the lifting point of the elevator remains on the center of gravity of the car 1. For making the car frame 15 surround the car top wheel 3 and the car guide rail 4 together, the elevator car frame 15 is wider than the conventional design.

In the embodiment of the present invention, the counterweight 6 is located on the side of the car 1, and the counterweight 6 is an octagonal counterweight block. The counterweight angle 17, the two ends of the counterweight 6 are counterweight guide rails 7, the counterweight 6 moves up and down along the counterweight guide rail 7, the car guide rail 4 and the counterweight guide rail 7 share a common guide rail bracket 14, and the car 1 moves along the car guide rail 4 Move up and down, the top and bottom of the car 1 are the upper and lower beams of the car frame 15 of the car 1, and the car top wheel 3 is fixed on the upper beam of the car 1, in order to shorten the distance between the car 1 and the counterweight 6 At the same time, the upper and lower beams of the car 1 are designed with cross beam angles, that is, the two ends are in a figure-eight shape. Through this design, the space of the elevator shaft 2 is fully utilized, and the comfort of the elevator is improved. The technical advantages of the elevator.

When the present invention is in operation, when the control cabinet controls the traction sheave 9 to rotate clockwise, the traction rope 12 on the side of the car 1 is shortened, and at the same time drives the elevator car 2 to move upward, and the counterweight 6 to move downward to realize the lift of the elevator; Conversely, when the control cabinet controls the traction sheave 9 to rotate counterclockwise, the traction rope 12 on one side of the counterweight 6 is shortened, driving the counterweight 6 to move upward, and the car 1 to move downward, finally realizing the descent of the elevator.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (5)

1. A compact side counterweight elevator shaft layout method, characterized in that the traction machine adopts an oblique setting, the vertical center line of the wheel groove on one side of the traction sheave coincides with the vertical center line of the outer wheel groove of the car roof wheel, and the traction sheave The wheel groove on the other side coincides with the vertical center line of the inner wheel groove of the counterwheel to ensure that the lifting point of the elevator remains on the center of gravity of the car. In the formerly void corner of the elevator shaft. 2. A compact side-to-weight elevator shaft layout structure, including elevator shaft, machine room, car, counterweight, traction machine and load-bearing steel beams, the machine room is set on the top of the elevator shaft, and the load-bearing steel beams are horizontally mounted on the machine room Inside, the traction machine is set on the load-bearing steel beam, the car is set in the elevator shaft, the car is set with a car frame, the car top wheel is fixed on the car frame, the center of the car top wheel and the center of the car top Overlapping, characterized in that it also includes counterweight wheels, traction wheels, traction ropes, car guide rails, counterweight guide rails and shared guide rail brackets, one end of the traction rope is connected to the load-bearing steel beam, and the other end is wound downward Pass the counterwheel, then go up around the traction sheave, then go down around the car top wheel and then fix it on the load-bearing steel beam; the vertical centerline between the wheel groove on the side of the traction sheave and the outer wheel groove of the car top wheel The vertical center line of the wheel groove on the other side of the traction sheave coincides with the vertical centerline of the inner wheel groove of the counterweight wheel; the car guide rail on the side of the car is fixed on the side wall of the elevator shaft, and the common guide rail bracket consists of several It is composed of upper and lower distribution and fixed on the side wall of the other side of the elevator shaft, and the car guide rails on the other side of the car are respectively fixed on the front of several shared guide rail brackets, and the car moves up and down along the car guide rails on both sides. ; The counterweight is arranged on one side of the car and the shared guide rail support in the elevator shaft, and the counterweight guide rails on one side of the counterweight are respectively fixed on the sides of the corresponding several shared guide rail supports, and the counterweight on the other side The counterweight guide rail is fixedly arranged on the side wall of the corresponding elevator shaft, and the counterweight can move up and down along the counterweight guide rail. 3. The compact side counterweight elevator shaft layout structure according to claim 2, characterized in that, the four corners of the upper beam and the lower beam in the car frame of the car are provided with crossbeam angles, and the counterweight The counterweight in is an octagonal counterweight with counterweight corners. 4. The shaft layout structure of a compact side-counterweight elevator according to claim 2, characterized in that the car top wheels are of double-wheel structure. 5. The shaft layout structure of a compact side-counterweight elevator according to claim 2, wherein the two ends of the traction rope are respectively connected to the counterweight-side rope head plate and the car-side rope head plate, and the The rope end plate on the counterweight side and the rope end plate on the car side are respectively fixed on the corresponding positions of the load-bearing steel beam.