Elevator top layer structure

Abstract

The utility model discloses an elevator top layer structure which comprises a cross beam, a first lift car guide wheel assembly, a second lift car guide wheel assembly and a counterweight guide wheel assembly, the cross beam comprises a front side girder, a first adjusting assembly and a rear side girder, and the rear side girder is adjustably connected with the front side girder through the first adjusting assembly so as to adjust the length of the cross beam; the counterweight guide wheel assembly is installed on the rear side girder, the second lift car guide wheel assembly is installed on the counterweight guide wheel assembly, the second lift car guide wheel assembly comprises a second lift car guide wheel, and the counterweight guide wheel assembly comprises a counterweight guide wheel. The degree of an included angle formed by projections of the axis of the second car guide wheel and the axis of the counterweight guide wheel on the upper end face of the cross beam is adjustable. The length can be adjusted to adapt to hoistways of different sizes, installation is convenient, the installation efficiency is improved, batch production can be achieved in advance, and the delivery time is shortened.

Description

Technical Field

[0001] The utility model relates to the elevator industry, in particular to an elevator top structure. Background Art

[0002] The top structure of the elevator car includes a crossbeam and various guide wheels installed on the crossbeam. The existing elevator installation method is to manufacture the elevator top structure in advance according to the size of the shaft, and then transport it to the construction site for installation. However, this method has the problem of actual installation error, that is, the actual size of the shaft deviates from the design size, resulting in a deviation between the size of the crossbeam and the actual installation space size. During installation, the size of the crossbeam needs to be temporarily adjusted, which prolongs the installation schedule. Summary of the invention

[0003] The utility model aims to provide an elevator top structure, the length of which can be adjusted according to the actual size of the hoistway to achieve the purpose of rapid installation.

[0004] To achieve the above object, the technical solution adopted by the utility model is: an elevator top structure, which includes a crossbeam, a first car guide wheel assembly, a second car guide wheel assembly and a counterweight guide wheel assembly,

[0005] The cross beam comprises a front beam, a first adjustment assembly, and a rear beam that is adjustably connected to the front beam through the first adjustment assembly so as to adjust the length of the cross beam;

[0006] The counterweight guide wheel assembly is installed on the rear beam, the second car guide wheel assembly is installed on the counterweight guide wheel assembly, the second car guide wheel assembly includes a second car guide wheel, the counterweight guide wheel assembly includes a counterweight guide wheel, and the angle formed by the axis of the second car guide wheel and the projection of the axis of the counterweight guide wheel on the upper end surface of the beam is adjustable.

[0007] In another embodiment, the front side beam includes a front left beam plate and a front right beam plate which are arranged in parallel, and a front connecting head fixed on the front end portions of the front left beam plate and the front right beam plate to fix the two together, and the rear side beam includes a rear left beam plate and a rear right beam plate, and the rear left beam plate and the rear right beam plate are fixedly connected by a first car guide wheel assembly and a counterweight guide wheel assembly fixed thereon, and the rear end portions of the front left beam plate and the front right beam plate are plugged into the front end portions of the rear left beam plate and the rear right beam plate.

[0008] In another embodiment, the first adjustment assembly includes a first adjustment bolt assembly and multiple groups of first adjustment holes distributed along the length direction of the crossbeam and opened on the front beam and the rear beam, and the front beam and the rear beam are fixedly connected by the first adjustment bolt assembly connected to the first adjustment hole.

[0009] In another embodiment, the front left beam plate, the front right beam plate, the rear left beam plate and the rear right beam plate are arranged in a direction perpendicular to the horizontal plane, and the front left beam plate, the front right beam plate, the rear left beam plate and the rear right beam plate are respectively provided with wing plates arranged in the horizontal direction, the wing plates on the front left beam plate and the rear left beam plate are fitted and fixedly connected, and the wing plates on the front right beam plate and the rear right beam plate are fitted and fixedly connected.

[0010] In another embodiment, the first car guide wheel assembly includes a first base fixedly connected to the rear side beam, a first car guide wheel rotatably connected to the first base, a first rope stop plate installed on the first base and located on both sides of the first car guide wheel, and a first rope stop rod installed on the first rope stop plate and capable of adjusting the distance between the first car guide wheel and the first car guide wheel.

[0011] In another embodiment, the counterweight guide wheel assembly includes a counterweight base, and the counterweight base has a plurality of connecting angles connected to the crossbeam, wherein one of the connecting angles is rotatably connected to the crossbeam, and the rotation axis of the connecting angle is a first axis, and the remaining connecting angles are fixedly connected to the crossbeam via arc-shaped connecting holes provided on the crossbeam and a second adjusting bolt assembly. The counterweight guide wheel assembly also includes a counterweight wheel installed on the counterweight base, and the circles where the plurality of connecting holes are located are concentric circles, and the centers of the circles are on the first axis.

[0012] In another embodiment, the second car guide wheel assembly includes a second base fixed on the counterweight base, and the second car guide wheel is rotatably connected to the second base.

[0013] In another embodiment, the elevator top structure also includes a wheel cover assembly disposed above the first car guide wheel assembly and the second car guide wheel assembly.

[0014] In another embodiment, the wheel cover assembly includes a front bracket installed on the crossbeam, a rear bracket installed on the second car guide wheel assembly, and a wheel cover whose two ends are respectively connected to the front bracket and the rear bracket, and the wheel cover is located above the first car guide wheel assembly and the second car guide wheel assembly.

[0015] In another embodiment, the wheel cover is provided with a front slide groove corresponding to the front bracket and a rear slide groove corresponding to the rear bracket, the front bracket and the wheel cover are connected by a third adjusting bolt assembly provided on the front slide groove, and the rear bracket and the wheel cover are connected by a third adjusting bolt assembly provided on the rear slide groove, and the relative positions of the wheel cover and the front bracket and the rear bracket are adjusted to adapt to the change in the length of the crossbeam.

[0016] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art: the utility model can adjust its own length to adapt to wells of different sizes, which is not only convenient to install and improves installation efficiency, but also can be mass-produced in advance and shorten delivery time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a bottom view of the utility model. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the embodiments shown in the accompanying drawings.

[0020] like Figure 1-2 As shown, the elevator top structure includes a crossbeam 1, a first car guide wheel assembly 2, a second car guide wheel assembly 3, a counterweight guide wheel assembly 4, and a wheel cover assembly 5 arranged above the first car guide wheel assembly 2 and the second car guide wheel assembly 3.

[0021] The cross beam 1 includes a front beam 11, a first adjustment component 12, and a rear beam 13 that can adjust the length of the cross beam 1 by being adjustably connected to the front beam 11 through the first adjustment component 12; the front beam 11 includes a front left beam plate 111 and a front right beam plate 112 that are arranged in parallel, and a front connecting head 113 fixed on the front ends of the front left beam plate 111 and the front right beam plate 112 to fix the two together; the rear beam 13 includes a rear left beam plate 131 and a rear right beam plate 132, the rear left beam plate 131 and the rear right beam plate 132 are fixedly connected through the first car guide wheel assembly 2 and the counterweight guide wheel assembly 4 fixed thereon, and the rear ends of the front left beam plate 111 and the front right beam plate 112 are plugged into the front ends of the rear left beam plate 131 and the rear right beam plate 132.

[0022] The counterweight guide wheel assembly 4 is installed on the rear beam 13, the second car guide wheel assembly 3 is installed on the counterweight guide wheel assembly 4, the second car guide wheel assembly 3 includes a second car guide wheel 31, and the counterweight guide wheel assembly 4 includes a counterweight guide wheel 41. The angle formed by the projection of the axis of the second car guide wheel 31 and the axis of the counterweight guide wheel 41 on the upper end surface of the beam 1 is adjustable.

[0023] The first adjusting assembly 12 includes a first adjusting bolt assembly 121, a plurality of first adjusting holes 122 opened on the front beam 11 and the rear beam 13 and distributed along the length direction of the cross beam 1, and a rope head plate 123. The front beam 11 and the rear beam 13 are fixedly connected by the first adjusting bolt assembly 121 connected to the first adjusting hole and passing through the rope head plate 123. The rope head plate 123 not only guides the traction rope, but also makes the force of the first adjusting bolt assembly 121 more uniform, so that the connection between the front beam 11 and the rear beam 13 is more firmly established. The first adjusting holes are distributed on the front left beam plate 111, the front right beam plate 112, the rear left beam plate 131, the rear right beam plate 132 and the wing plates 15 of each beam plate.

[0024] The front left beam plate 111, the front right beam plate 112, the rear left beam plate 131 and the rear right beam plate 132 are arranged in a direction perpendicular to the horizontal plane, and the front left beam plate 111, the front right beam plate 112, the rear left beam plate 131 and the rear right beam plate 132 are respectively provided with a wing plate 15 arranged in the horizontal direction, the wing plates 15 on the front left beam plate 111 and the rear left beam plate 131 are fitted and fixedly connected, and the wing plates 15 on the front right beam plate 112 and the rear right beam plate 132 are fitted and fixedly connected. Fixed connection. In this embodiment, the wing panel 15 at the upper end of the front left beam plate 111 and the upper end of the rear left beam plate 131 are fitted and fixedly connected, the wing panel 15 at the lower end of the front left beam plate 111 and the lower end of the rear left beam plate 131 are fitted and fixedly connected, the wing panel 15 at the upper end of the front right beam plate 112 and the upper end of the rear right beam plate 132 are fitted and fixedly connected, and the wing panel 15 at the lower end of the front right beam plate 112 and the lower end of the rear right beam plate 132 are fitted and fixedly connected.

[0025] Specifically

[0026] The first car guide wheel assembly 2 includes a first base 21 fixedly connected to the rear side beam 13, a first car guide wheel 22 rotatably connected to the first base 21, a first rope stop plate 23 installed on the first base 21 and located on both sides of the first car guide wheel, and a first rope stop rod 24 installed on the first rope stop plate 23 and capable of adjusting the distance between the first car guide wheel and the first car guide wheel.

[0027] The counterweight guide wheel assembly 4 includes a counterweight base 41, on which are multiple connecting angles 411 connected to the beam 1. One of the connecting angles 411 is rotatably connected to the beam 1, and the rotation axis of the connecting angle 411 is the first axis. The remaining connecting angles 411 are fixedly connected to the beam 1 through arc-shaped connecting holes 151 provided on the beam 1 and a second adjusting bolt assembly 42. The counterweight guide wheel assembly 4 also includes a counterweight wheel 43 installed on the counterweight base. The circles where the multiple connecting holes 151 are located are concentric circles, and the centers of the circles are on the first axis. The connecting holes 151 are provided on the wing plate 15 of the beam 1.

[0028] The second car guide wheel assembly 3 includes a second base 32 fixed on the counterweight base, a second rope stop plate 33 installed on the second base 32 and located on both sides of the second car guide wheel 31, and a second rope stop rod 34 installed on the second rope stop plate 33 and adjustable to the second car guide wheel 31. The second car guide wheel 31 is rotatably connected to the second base 32, and the rotation axis of the second car guide wheel 31 is parallel to the rotation axis of the first car guide wheel 22.

[0029] The wheel cover assembly 5 includes a front bracket 51 installed on the crossbeam 1, a rear bracket 52 installed on the second car guide wheel assembly 3, and a wheel cover 53 whose two ends are respectively connected to the front bracket and the rear bracket, and the wheel cover is located above the first car guide wheel assembly 2 and the second car guide wheel assembly 3; the wheel cover is provided with a front slide groove 531 corresponding to the front bracket and a rear slide groove 532 corresponding to the rear bracket, the front bracket 51 and the wheel cover 53 are connected by a third adjusting bolt assembly 54 provided on the front slide groove 531, and the rear bracket 52 and the wheel cover 53 are connected by a third adjusting bolt assembly 54 provided on the rear slide groove 532, and the relative positions of the wheel cover 53 and the front bracket 51 and the rear bracket 52 are adjusted to adapt to the length change of the crossbeam 1.

[0030] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An elevator top structure, comprising a crossbeam, a first car guide wheel assembly, a second car guide wheel assembly and a counterweight guide wheel assembly, Features: The cross beam comprises a front beam, a first adjustment assembly, and a rear beam that is adjustably connected to the front beam through the first adjustment assembly so as to adjust the length of the cross beam; The counterweight guide wheel assembly is installed on the rear beam, the second car guide wheel assembly is installed on the counterweight guide wheel assembly, the second car guide wheel assembly includes a second car guide wheel, the counterweight guide wheel assembly includes a counterweight guide wheel, and the angle formed by the axis of the second car guide wheel and the projection of the axis of the counterweight guide wheel on the upper end surface of the beam is adjustable.

2. The elevator top structure according to claim 1, characterized in that: The front side beam includes a front left beam plate and a front right beam plate which are arranged in parallel, and a front connecting head fixed on the front end portions of the front left beam plate and the front right beam plate to fix the two together; the rear side beam includes a rear left beam plate and a rear right beam plate; the rear left beam plate and the rear right beam plate are fixedly connected by a first car guide wheel assembly and a counterweight guide wheel assembly fixed thereon; the rear end portions of the front left beam plate and the front right beam plate are plugged into the front end portions of the rear left beam plate and the rear right beam plate.

3. The elevator top structure according to claim 2, characterized in that: The first adjustment assembly includes a first adjustment bolt assembly and a plurality of first adjustment holes distributed along the length direction of the crossbeam and opened on the front beam and the rear beam. The front beam and the rear beam are fixedly connected by the first adjustment bolt assembly connected to the first adjustment holes.

4. The elevator top structure according to claim 2, characterized in that: The front left beam plate, the front right beam plate, the rear left beam plate and the rear right beam plate are arranged in a direction perpendicular to the horizontal plane, and the front left beam plate, the front right beam plate, the rear left beam plate and the rear right beam plate are respectively provided with wing plates arranged in the horizontal direction, the wing plates on the front left beam plate and the rear left beam plate are fitted and fixedly connected, and the wing plates on the front right beam plate and the rear right beam plate are fitted and fixedly connected.

5. The elevator top structure according to claim 1, characterized in that: The first car guide wheel assembly includes a first base fixedly connected to the rear side beam, a first car guide wheel rotatably connected to the first base, a first rope stop plate installed on the first base and located on both sides of the first car guide wheel, and a first rope stop rod installed on the first rope stop plate and capable of adjusting the distance between the first car guide wheel and the first car guide wheel.

6. The elevator top structure according to claim 1, characterized in that: The counterweight guide wheel assembly includes a counterweight base, and the counterweight base has a plurality of connection angles connected to the crossbeam, one of the connection angles is rotatably connected to the crossbeam, and the rotation axis of the connection angle is the first axis. The remaining connection angles are fixedly connected to the crossbeam via arc-shaped connection holes provided on the crossbeam and a second adjusting bolt assembly. The counterweight guide wheel assembly also includes a counterweight wheel installed on the counterweight base, and the circles where the plurality of connection holes are located are concentric circles, and the centers of the circles are on the first axis.

7. The elevator top structure according to claim 6, characterized in that: The second car guide wheel assembly includes a second base fixed on the counterweight base, and the second car guide wheel is rotatably connected to the second base.

8. The elevator top structure according to claim 1, characterized in that: The elevator top structure also includes a wheel cover assembly disposed above the first car guide wheel assembly and the second car guide wheel assembly.

9. The elevator top structure according to claim 8, characterized in that: The wheel cover assembly includes a front bracket installed on the crossbeam, a rear bracket installed on the second car guide wheel assembly, and a wheel cover whose two ends are respectively connected to the front bracket and the rear bracket, and the wheel cover is located above the first car guide wheel assembly and the second car guide wheel assembly.

10. The elevator top structure according to claim 9, characterized in that: The wheel cover is provided with a front slide groove corresponding to the front bracket and a rear slide groove corresponding to the rear bracket. The front bracket and the wheel cover are connected by a third adjusting bolt assembly provided on the front slide groove, and the rear bracket and the wheel cover are connected by a third adjusting bolt assembly provided on the rear slide groove. The relative positions of the wheel cover and the front bracket and the rear bracket are adjusted to adapt to the change in the length of the crossbeam.

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