Elevator car roof protection device

Abstract

An elevator car roof protection device is arranged on the top surface of the top of an elevator car and comprises a guardrail assembly arranged on the top surface and comprising two side guardrails arranged on the two sides of the top surface, and the side guardrails comprise a plurality of transverse rods and a plurality of longitudinal rods; the rear guardrail is arranged on the rear side of the top surface, and the rear guardrail comprises a plurality of transverse rods; wherein each of the two side guardrails is pre-assembled together, and the guardrail assembly is made of a glass fiber reinforced plastic material; and a plurality of fixing parts are arranged on the top surface, a mounting hole is formed in each of the plurality of fixing parts, and each of the plurality of longitudinal rods is inserted into the corresponding mounting hole so as to fix the guardrail assembly to the top surface.

Description

Technical Field

[0001] The utility model relates to an elevator car top protection device, and more particularly to an elevator car top protection device that makes the load capacity of the elevator system stronger. Background Art

[0002] During the working life of an elevator, it may be necessary for an operator to perform maintenance operations on the elevator, and the operator can perform maintenance operations on the elevator at the top of the elevator car. To ensure the safety of the operator, a guardrail assembly must be provided on the top of the car to prevent the operator from accidentally falling. However, in the prior art, the weight of the guardrail assembly is relatively large, which affects the load capacity of the elevator system and makes it difficult to install the guardrail assembly.

[0003] For this reason, it is desirable to propose an elevator system to improve the defects in the above prior art. Summary of the Utility Model

[0004] According to one aspect of the utility model, an elevator car top protection device is provided, which is arranged on the top surface of the car top and includes: a guardrail assembly arranged on the top surface and including: two side guardrails arranged on both sides of the top surface, each of the two side guardrails including a plurality of transverse bars and a plurality of longitudinal bars, the transverse bars extending in a first direction, the longitudinal bars extending in a second direction, the first direction being parallel to the top surface, and the second direction being perpendicular to the top surface; a rear guardrail arranged at the rear side of the top surface, the rear guardrail including a plurality of cross bars extending in a third direction, the third direction being perpendicular to the first direction and the second direction; wherein each of the two side guardrails is pre-assembled together, and the guardrail assembly is made of fiberglass material; and wherein a plurality of fixing parts are provided on the top surface, each of the plurality of fixing parts having a mounting hole extending in the second direction, and each of the plurality of longitudinal bars is inserted into the corresponding mounting hole to fix the guardrail assembly to the top surface.

[0005] According to this solution, firstly, since the guardrail assembly is made of fiberglass material, the weight of the guardrail assembly is relatively light, thus improving the load capacity of the elevator system. In addition, since the side guardrails are pre-assembled together, the difficulty of installing the guardrail assembly on site is reduced. And the fixing parts on the top surface of the car make it easier to install the guardrail assembly. For example, the operator can directly insert the longitudinal bars in the guardrail assembly into the fixing parts on the top surface of the car to fix the guardrail assembly to the car.

[0006] In some solutions, the dimension of the side guardrail in the second direction can be less than or equal to the dimension of the top surface in the third direction.

[0007] According to this solution, before the side guardrail is installed on the car, the side guardrail can be placed on the top surface of the car without increasing additional floor area, making it easier to transport and store.

[0008] In some solutions, at least one of the two side guardrails may sequentially include a first longitudinal rod, a second longitudinal rod, a third longitudinal rod, and a fourth longitudinal rod from the front side to the rear side in a first direction, and may sequentially include a first transverse rod and a second transverse rod from the upper side to the lower side in a second direction.

[0009] In some solutions, the rear guardrail may sequentially include a first crossbar and a second crossbar from the upper side to the lower side. The first transverse rod, the fourth longitudinal rod, and the first crossbar form a first corner; the second transverse rod, the fourth longitudinal rod, and the second crossbar form a second corner.

[0010] In some solutions, the guardrail assembly may further include a reinforcing plate, and the reinforcing plate is fixed to the side guardrail.

[0011] According to this solution, the reinforcing plate can improve the strength of the guardrail assembly, further ensuring the safety of the operator during maintenance operations.

[0012] In some solutions, the reinforcing plate may be fixed to the first longitudinal rod.

[0013] According to this solution, since an opening for the operator to enter is formed at the first longitudinal rod, the strength of the guardrail assembly at the first longitudinal rod is relatively weak, and setting the reinforcing plate here is more conducive to improving the strength of the guardrail assembly.

[0014] In some solutions, the reinforcing plate may have a cross-section that gradually widens from top to bottom.

[0015] In some solutions, the guardrail assembly may further include a kick plate, and the kick plate is connected between two longitudinal rods.

[0016] In some solutions, the height of the kick plate in the second direction is greater than 0.1 m.

[0017] In some solutions, each of the two side guardrails may be pre-assembled together by riveting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of an elevator system according to an embodiment of the present invention is shown.

[0019] Reference Numerals:

[0020] 1 Elevator system

[0021] 10 Top surface

[0022] 100 Guardrail assembly

[0023] 110 Side guardrail

[0024] 112 Transverse rod

[0025] 112-1 First horizontal bar

[0026] 112-2 Second horizontal bar

[0027] 114 Vertical bar

[0028] 114-1 First vertical bar

[0029] 114-2 Second vertical bar

[0030] 114-3 Third vertical bar

[0031] 114-4 Fourth vertical bar

[0032] 120 Rear guardrail

[0033] 122 Cross bar

[0034] 122-1 First cross bar

[0035] 122-2 Second cross bar

[0036] 130 Fixing part

[0037] 140 Reinforcing plate

[0038] 150 Kick plate

[0039] C1 First corner

[0040] C2 Second corner

[0041] L1 First direction

[0042] L2 Second direction

[0043] L3 Third direction Detailed implementation manners

[0044] In order to make the purpose, scheme and advantages of the technical scheme of the present utility model clearer, the technical scheme of the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings of the specific embodiments of the present utility model. Unless otherwise specified, the terms used herein have the ordinary meanings in the art. The same reference numerals in the drawings represent the same components.

[0045] Figure 1 A schematic diagram of an elevator system 1 according to an embodiment of the present utility model is shown. The elevator system 1 includes a car (only the top surface 10 of the car is shown in Figure 1 ), and the car is used to transport passengers or goods to move between different floors. During the operation life of the elevator system 1, maintenance operations may be required for the elevator system 1. In this case, the operator needs to stand on the top surface 10 of the car to perform maintenance operations.

[0046] To ensure the safety of the operators, a guardrail assembly 100 needs to be provided on the top surface 10 of the car. The guardrail assembly 100 can prevent the operators from accidentally falling from the top surface 10. The guardrail assembly 100 includes two side guardrails 110 respectively arranged on the left and right sides of the top surface 10 and a rear guardrail 120 arranged on the rear side of the top surface 10. The side guardrail 110 is used to prevent the operators from accidentally falling from the side of the top surface 10, and the rear guardrail 120 is used to prevent the operators from accidentally falling from the rear of the top surface 10.

[0047] The side guardrail 110 includes a plurality of transverse bars 112 and a plurality of longitudinal bars 114. The transverse bars 112 extend along the first direction L1, and the longitudinal bars 114 extend along the second direction L2. The above-mentioned first direction L1 is parallel to the top surface 10, and the second direction L2 is perpendicular to the top surface 10. The rear guardrail 120 includes a plurality of cross bars 122, and the cross bars 122 extend along the third direction L3. The third direction L3 is perpendicular to both the first direction L1 and the second direction L2.

[0048] To reduce the weight of the guardrail assembly 100, the guardrail assembly 100 is made of fiberglass material. The guardrail assembly 100 with a lighter weight helps to improve the load capacity of the elevator system 1 and makes the guardrail assembly 100 easy to handle. In addition, the side guardrails 110 are pre-assembled together (for example, pre-assembled together by riveting), which reduces the difficulty of installing the guardrail assembly 100 on site. A plurality of fixing parts 130 are provided on the top surface 10. Each of the plurality of fixing parts 130 has a mounting hole extending along the second direction L2. Each of the plurality of longitudinal bars 114 is inserted into the corresponding mounting hole to fix the guardrail assembly 100 to the top surface 10. The fixing parts 130 on the top surface 10 of the car make the installation of the guardrail assembly 100 easier. For example, the operator can directly insert the longitudinal bars 114 of the side guardrail 110 in the guardrail assembly 100 into the fixing parts 130 on the top surface 10 of the car to fix the guardrail assembly 100 to the top surface 10 of the car.

[0049] Preferably, the dimension of the side guardrail 110 along the second direction L2 can be less than or equal to the dimension of the top surface 10 along the third direction L3. In this way, before the side guardrail 110 is installed on the top surface 10 of the car, the side guardrail 110 can be placed on the top surface 10 of the car without increasing the additional floor area, making the guardrail assembly 100 easier to transport and store together with the car.

[0050] Optionally, the side guardrail 110 can sequentially include a first longitudinal bar 114-1, a second longitudinal bar 114-2, a third longitudinal bar 114-3, and a fourth longitudinal bar 114-4 from the front side to the rear side along the first direction L1, and sequentially include a first transverse bar 112-1 and a second transverse bar 112-2 from the upper side to the lower side along the second direction L2.

[0051] Optionally, the rear guardrail 120 may sequentially include a first cross bar 122-1 and a second cross bar 122-2 from the upper side to the lower side. The first transverse bar 112-1, the fourth longitudinal bar 114-4, and the first cross bar 122-1 form a first corner C1; the second transverse bar 112-2, the fourth longitudinal bar 114-4, and the second cross bar 122-2 form a second corner C2.

[0052] Preferably, the guardrail assembly 100 may further include a reinforcing plate 140, and the reinforcing plate 140 is fixed to the side guardrail 110. The reinforcing plate 140 can improve the strength of the guardrail assembly 100, further ensuring the safety of the operator during maintenance operations. More preferably, the reinforcing plate 140 may be fixed to the first longitudinal bar 114-1 of the side guardrail 110. Since an opening for the operator to enter is formed at the first longitudinal bar 114-1, the strength of the guardrail assembly 100 at the first longitudinal bar 114-1 is relatively weak, and setting the reinforcing plate 140 here is more conducive to improving the strength of the guardrail assembly 100. Preferably, the reinforcing plate 140 may have a cross-section that gradually widens from top to bottom.

[0053] Preferably, the guardrail assembly 100 may further include a kick plate 150, and the kick plate 150 is connected between two longitudinal bars 114. The kick plate 150 is used to prevent the operator from accidentally falling through the gap of the guardrail assembly 100, further enhancing the safety of maintenance operations. For example, the height of the kick plate 150 along the second direction L2 is greater than 0.1 m.

[0054] It should be understood that the present utility model does not aim to limit the specific number and arrangement of the transverse bars 112, longitudinal bars 114, cross bars 122, fixing parts 130, reinforcing plates 140, and kick plates 150, but other any suitable number and arrangement can be selected according to specific application requirements.

[0055] The present utility model has been described in detail with reference to preferred embodiments and multiple exemplary embodiments. However, those skilled in the art can understand that without departing from the concept of the present utility model, various variations and modifications can be made to the above specific embodiments, and various technical features and structures proposed by the present utility model can also be combined, without exceeding the protection scope of the present utility model. The protection scope of the present utility model is determined by the appended claims.

Claims

1. An elevator car top protection device is arranged on the top surface of the car top, and is characterized in that, Comprising: A guardrail assembly, arranged on the top surface and comprising: Two side guardrails, arranged on both sides of the top surface, each of the two side guardrails including a plurality of transverse bars and a plurality of longitudinal bars, the transverse bars extending in a first direction, the longitudinal bars extending in a second direction, the first direction being parallel to the top surface, and the second direction being perpendicular to the top surface; A rear guardrail, arranged at the rear side of the top surface, the rear guardrail including a plurality of cross bars, the cross bars extending in a third direction, the third direction being perpendicular to the first direction and the second direction; Wherein, each of the two side guardrails is pre-assembled together, and the guardrail assembly is made of fiberglass material; And wherein, a plurality of fixing parts are provided on the top surface, each of the plurality of fixing parts having a mounting hole extending in the second direction, and each of the plurality of longitudinal bars is inserted into the corresponding mounting hole to fix the guardrail assembly to the top surface.

2. The elevator car top protection device according to claim 1, characterized in that The size of the side guardrail in the second direction is less than or equal to the size of the top surface in the third direction.

3. The elevator car top protection device according to claim 1, characterized in that, At least one of the two side guardrails sequentially includes a first longitudinal bar, a second longitudinal bar, a third longitudinal bar, and a fourth longitudinal bar from the front side to the rear side in the first direction, and sequentially includes a first transverse bar and a second transverse bar from the upper side to the lower side in the second direction.

4. The elevator car top protection device according to claim 3, characterized in that, The rear guardrail sequentially includes a first cross bar and a second cross bar from the upper side to the lower side, the first transverse bar, the fourth longitudinal bar, and the first cross bar form a first corner; the second transverse bar, the fourth longitudinal bar, and the second cross bar form a second corner.

5. The elevator car top protection device according to claim 4, characterized in that, The guardrail assembly further includes a reinforcing plate, and the reinforcing plate is fixed to the side guardrail.

6. The elevator car top protection device according to claim 5, characterized in that, The reinforcing plate is fixed to the first longitudinal bar.

7. The elevator car top protection device according to claim 6, characterized in that, The reinforcing plate has a cross-section that gradually widens from top to bottom.

8. The elevator car top protection device according to claim 1, characterized in that, The guardrail assembly further includes a kick plate, and the kick plate is connected between two longitudinal bars.

9. The elevator car top protection device according to claim 8, characterized in that, The height of the kick plate in the second direction is greater than 0.1 m.

10. The elevator car top protection device according to claim 1, characterized in that, Each of the two side guardrails is pre-assembled together by riveting.

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