Forced drive type household elevator

Abstract

The utility model discloses a forcibly-driven household elevator which comprises an elevator derrick, a backpack frame, a top machine base, a bottom machine base and a traction rope. A top rope head assembly, a top guide wheel and a traction wheel are sequentially arranged on the top machine base from right to left. A bottom rope head assembly, a first bottom guide wheel and a second bottom guide wheel are sequentially arranged on the bottom machine base from right to left. A first upper knapsack frame guide wheel, a second upper knapsack frame guide wheel, a first lower knapsack frame guide wheel and a second lower knapsack frame guide wheel are mounted on the knapsack frame; one end of the traction rope is fixedly connected with the top rope head assembly, and the other end of the traction rope sequentially bypasses the first upper backpack frame guide wheel, the top guide wheel, the second upper backpack frame guide wheel, the traction wheel, the second bottom guide wheel, the second lower backpack frame guide wheel, the first bottom guide wheel and the first lower backpack frame guide wheel and then is fixedly connected with the bottom rope head assembly. The forcibly-driven household elevator is reasonable in structure, a rope winding mode with the traction ratio being 4: 1 is achieved, and therefore the service power of a traction machine is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of forced drive type home elevators. BACKGROUND

[0002] With the continuous expansion of home elevator market, the requirement of elevator shaft space effective utilization rate is higher and higher, and simultaneously due to the continuous maturity of forced permanent magnet synchronous main machine technology, forced drive home elevator structure is outstanding in recent two years, and its high space utilization rate of counterweight is widely favored by market.

[0003] The winding mode of the forced drive type home elevator is often adjusted according to the change of various parameters. The rationality of the winding mode plays an extremely important role in the service life of the elevator traction rope, the safety of elevator operation and the convenience of maintenance. Therefore, a forced drive type home elevator with more reasonable winding is needed. SUMMARY

[0004] The utility model aims at providing a kind of forced drive type home elevators, which is reasonable in structure, realizes the winding mode of 4:1 traction ratio, thereby effectively reducing the use power of traction machine.

[0005] To achieve the above object, the technical scheme of the utility model is to design a kind of forced drive type home elevator, which comprises an elevator derrick, a guide rail installed in the elevator derrick, and a backpack frame in sliding cooperation with the guide rail.

[0006] The top machine base is fixedly connected with the top end of the elevator derrick, and the top of the top machine base is sequentially provided with a top rope head assembly, a top guide wheel and a traction wheel from right to left.

[0007] The bottom machine base is fixedly connected with the bottom end of the elevator derrick, and the top of the bottom machine base is sequentially provided with a bottom rope head assembly, a first bottom guide wheel and a second bottom guide wheel from right to left.

[0008] Two upper backpack frame guide wheels and two lower backpack frame guide wheels are installed on the backpack frame, the two upper backpack frame guide wheels are sequentially a first upper backpack frame guide wheel and a second upper backpack frame guide wheel from right to left, and the two lower backpack frame guide wheels are sequentially a first lower backpack frame guide wheel and a second lower backpack frame guide wheel from right to left.

[0009] One end of the traction rope is fixedly connected with the top rope head assembly, and the other end of the traction rope is sequentially fixedly connected with the bottom rope head assembly after passing through a first upper backpack frame guide wheel, a top guide wheel, a second upper backpack frame guide wheel, a traction wheel, a second bottom guide wheel, a second lower backpack frame guide wheel, a first bottom guide wheel and a first lower backpack frame guide wheel.

[0010] Preferably, the upper beam of the backpack frame is provided with clamping plates on both sides, the two clamping plates are oppositely arranged, the two clamping plates are fixedly connected with the upper beam, the two upper backpack frame guide wheels are installed between the two clamping plates, and the two upper backpack frame guide wheels are located above the upper beam.

[0011] Preferably, the traction wheel is connected with a traction machine.

[0012] Preferably, the elevator shaft frame is an aluminum alloy shaft frame.

[0013] Preferably, the traction rope is a steel belt.

[0014] The forced driving type household elevator provided by the utility model has at least the following beneficial effects compared with the prior art:

[0015] The forced driving type household elevator realizes the winding rope mode with a traction ratio of 4:1, thereby effectively reducing the use power of the traction machine.

[0016] The backpack frame guide wheel is installed on the upper beam of the backpack frame through the two clamping plates, thereby facilitating the installation of the backpack frame guide wheel, and improving the manufacturing convenience of the entire backpack frame. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic view of a forced driving type household elevator of the utility model.

[0018] Figure 2 is a schematic view of a backpack frame in a forced driving type household elevator of the utility model.

[0019] Figure 3 is a schematic view of a winding rope mode of a forced driving type household elevator of the utility model.

[0020] Reference signs: 1, elevator shaft frame; 2, backpack frame; 21, upper beam; 3, traction rope; 4, top rope head assembly; 5, top guide wheel; 6, traction wheel; 7, bottom rope head assembly; 8, first bottom guide wheel; 9, second bottom guide wheel; 10, first upper backpack frame guide wheel; 11, second upper backpack frame guide wheel; 12, first lower backpack frame guide wheel; 13, second lower backpack frame guide wheel; 14, clamping plate. DETAILED DESCRIPTION

[0021] The specific implementation of the utility model is described further below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0022] The technical scheme of the specific implementation of the utility model is:

[0023] In a specific embodiment, as shown in Figure 1 , Figure 2 and 3 , the utility model provides a forced drive type household elevator, including elevator well 1, guide rail installed in elevator well 1 and backpack frame 2 with guide rail sliding cooperation, still include top frame, bottom frame and traction rope 3,

[0024] Top frame is fixedly connected with the top end of elevator well 1, and the top of top frame is sequentially provided with top rope head assembly 4, top guide pulley 5 and traction pulley 6 from right to left,

[0025] Bottom frame is fixedly connected with the bottom end of elevator well 1, and the top of bottom frame is sequentially provided with bottom rope head assembly 7, first bottom guide pulley 8 and second bottom guide pulley 9 from right to left,

[0026] Two upper backpack frame guide pulleys and two lower backpack frame guide pulleys are installed on backpack frame 2, the two upper backpack frame guide pulleys are sequentially first upper backpack frame guide pulley 10 and second upper backpack frame guide pulley 11 from right to left, the two lower backpack frame guide pulleys are sequentially first lower backpack frame guide pulley 12 and second lower backpack frame guide pulley 13 from right to left,

[0027] One end of traction rope 3 is fixedly connected with top rope head assembly 4, the other end of the traction rope 3 is sequentially passed first upper backpack frame guide pulley 10, top guide pulley 5, second upper backpack frame guide pulley 11, traction pulley 6, second bottom guide pulley 9, second lower backpack frame guide pulley 13, first bottom guide pulley 8 and first lower backpack frame guide pulley 12 and is fixedly connected with bottom rope head assembly 7.

[0028] Adopt the above scheme: the forced drive type household elevator of the utility model realizes the winding rope mode of traction ratio 4:1, thereby effectively reduces the use power of traction machine.

[0029] In another specific embodiment, as shown in Figure 2 , the upper beam 21 of backpack frame 2 is provided with clamping plate 14 on both sides, two clamping plates 14 are oppositely arranged, the two clamping plates 14 are fixedly connected with upper beam 21 respectively, two upper backpack frame guide pulleys are installed between two clamping plates 14, and two upper backpack frame guide pulleys are located above upper beam 21, two lower backpack frame guide pulleys are installed between two clamping plates 14, and two lower backpack frame guide pulleys are located below upper beam 21.

[0030] Adopt the above scheme: four backpack frame guide pulleys of the utility model are installed on the upper beam 21 of backpack frame through two clamping plates 14, which facilitates the installation of backpack frame guide pulley, and improves the manufacturing convenience of the whole backpack frame.

[0031] In another embodiment, the traction sheave 6 is connected to a traction machine.

[0032] The above solution is adopted: the traction sheave 6 is driven to rotate by the traction machine.

[0033] In another embodiment, the elevator shaft 1 is an aluminum alloy shaft.

[0034] In another embodiment, the traction rope 3 is a steel belt.

[0035] The above only is the preferred embodiment of the present application, it should be pointed out, for the ordinary skilled in the art, without departing from the technical principles of the present application, under the premise of, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A forced drive home elevator comprising an elevator shaft (1), guide rails installed in the elevator shaft (1), and a backpack frame (2) slidingly fitted to the guide rails; characterized in that, It also includes a top base, a bottom base and a traction rope (3); The top base is fixedly connected with the top end of the elevator shaft (1), and the top of the top base is sequentially provided from right to left with a top rope head assembly (4), a top guide wheel (5) and a traction wheel (6); The bottom base is fixedly connected with the bottom end of the elevator shaft (1), and the top of the bottom base is sequentially provided from right to left with a bottom rope head assembly (7), a first bottom guide wheel (8) and a second bottom guide wheel (9); The backpack frame (2) is provided with two upper backpack frame guide wheels and two lower backpack frame guide wheels, the two upper backpack frame guide wheels are sequentially a first upper backpack frame guide wheel (10) and a second upper backpack frame guide wheel (11) from right to left, and the two lower backpack frame guide wheels are sequentially a first lower backpack frame guide wheel (12) and a second lower backpack frame guide wheel (13) from right to left; One end of the traction rope (3) is fixedly connected with the top rope head assembly (4), and the other end of the traction rope (3) is sequentially wound around the first upper backpack frame guide wheel (10), the top guide wheel (5), the second upper backpack frame guide wheel (11), the traction wheel (6), the second bottom guide wheel (9), the second lower backpack frame guide wheel (13), the first bottom guide wheel (8) and the first lower backpack frame guide wheel (12), and then fixedly connected with the bottom rope head assembly (7).

2. The forced drive home elevator according to claim 1, characterized in that The upper beam (21) of the backpack frame (2) is provided with clamping plates (14) on both sides, the two clamping plates (14) are oppositely arranged, the two clamping plates (14) are fixedly connected with the upper beam (21), the two upper backpack frame guide wheels are installed between the two clamping plates (14), and the two upper backpack frame guide wheels are located above the upper beam (21), the two lower backpack frame guide wheels are installed between the two clamping plates (14), and the two lower backpack frame guide wheels are located below the upper beam (21).

3. The forced drive home elevator according to claim 1, characterized in that The traction wheel (6) is connected with a traction machine.

4. The forced drive home elevator according to claim 1, characterized in that, The elevator shaft (1) is an aluminum alloy shaft.

5. The mandatory drive home elevator according to claim 1, characterized in that, The traction rope (3) is a steel belt.

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