Elevator car top guardrail assembly

Abstract

The utility model discloses an elevator car top guardrail assembly which comprises two left side vertical rod sets arranged in a front-back spaced mode, two right side vertical rod sets arranged in a front-back spaced mode, a plurality of rear side vertical rods sequentially arranged in the left-right direction at intervals and a car frame upper beam. Each left side vertical rod group comprises two left side vertical rods which are arranged at an interval in the front-back direction, and each right side vertical rod group comprises two right side vertical rods which are arranged at an interval in the front-back direction; the outer side of the upper end of the left vertical rod is connected to a left upper transverse rod, the outer side of the middle of the left vertical rod is connected to a left middle transverse rod, the outer side of the upper end of the right vertical rod is connected to a right upper transverse rod, and the outer side of the middle of the right vertical rod is connected to a right middle transverse rod. The outer sides of the upper ends, the outer sides of the middle parts and the outer sides of the lower ends of the rear side vertical rods are respectively connected to a rear side upper cross rod, a rear side middle cross rod and a rear side lower cross rod; the left ends and the right ends of the rear side upper cross rod, the rear side middle cross rod and the rear side lower cross rod are respectively connected to the vertical plate parts; the overall structural strength can be enhanced, and the stability of the guardrail structure can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator bridge roof structure field technology especially is a kind of elevator car roof guardrail assembly. BACKGROUND

[0002] Elevator car roof guardrail is the protective component being arranged at the edge of elevator car roof, for protecting the safety of elevator maintenance personnel. At present in elevator industry, most of car roof guardrails are fixed on the upper beam of elevator car, and the specifications of elevator car are different, and different size car roof guardrails need to be customized every time, so that car roof guardrails cannot be mass-produced, and the construction cost of elevator is increased. Therefore, elevator bridge roof guardrails that can be mass-produced are successively generated.

[0003] For example, a kind of elevator car roof guardrail of Chinese patent publication No. CN209601870U includes vertical pole, foot guard plate and transverse guardrail;First mounting hole is arranged on the vertical pole, second mounting hole is arranged on the foot guard plate, and third mounting hole is arranged on the transverse guardrail;Mounting lug is formed at the bottom of the vertical pole, one vertical pole is erected at each corner of elevator roof, and the vertical pole is fixed on the elevator roof by the mounting lug;After bolt is sequentially passed through the second mounting hole and the first mounting hole, it is screwed into nut, and the foot guard plate is transversely fixed at the bottom of the vertical pole;After bolt is sequentially passed through the third mounting hole and the first mounting hole, it is screwed into nut, and the transverse guardrail is transversely fixed on the vertical pole;In elevator construction engineering, only the foot guard plate and the transverse guardrail need to be cut to the appropriate length to match the size of elevator car, so that the vertical pole, the foot guard plate and the transverse guardrail can be mass-produced;However, the transverse guardrails on the opposite sides lack connecting structure for connection, which leads to poor overall structural strength and affects the stability of the overall structure of the guardrail.

[0004] Therefore, it is necessary to research a new technology to solve the above problems UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a kind of elevator car roof guardrail assembly, which can enhance the overall structural strength and improve the stability of the guardrail structure.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A kind of elevator car roof guardrail assembly, comprising two groups of left side vertical rod groups arranged at front and rear intervals, two groups of right side vertical rod groups arranged at front and rear intervals, a plurality of rear side vertical rods arranged at intervals along left-right direction and car frame upper beam;Each group of left side vertical rod group includes two left side vertical rods arranged at front and rear intervals, and each group of right side vertical rod group includes two right side vertical rods arranged at front and rear intervals.

[0008] The left vertical bar, right vertical bar, and rear vertical bar have the same structure. The left vertical bar, right vertical bar, and rear vertical bar all have an L-shaped structure. The left vertical bar, right vertical bar, and rear vertical bar all include two vertical plates with the same structure. The two vertical plates are connected together in an L-shape.

[0009] The outer upper end of the left vertical bar is connected to a left upper horizontal bar, the outer middle part of the left vertical bar is connected to a left middle horizontal bar, the outer upper end of the right vertical bar is connected to a right upper horizontal bar, the outer middle part of the right vertical bar is connected to a right middle horizontal bar, the outer upper end, the outer middle part, and the outer lower end of the rear vertical bar are respectively connected to a rear upper horizontal bar, a rear middle horizontal bar, and a rear lower horizontal bar, and the left and right ends of the rear upper horizontal bar, the rear middle horizontal bar, and the rear lower horizontal bar are respectively connected to the vertical plate.

[0010] The car frame upper beam includes a first upper beam plate and a second upper beam plate arranged symmetrically and parallel to each other. A left connecting plate and a right connecting plate are provided between the first upper beam plate and the second upper beam plate. The lower end of the left middle crossbar is connected to the upper end of the left connecting plate, and the lower end of the right middle crossbar is connected to the upper end of the right connecting plate.

[0011] As a preferred embodiment, the upper, middle, and lower ends of the vertical plate are each provided with a first connecting hole, and the left upper crossbar, left middle crossbar, right upper crossbar, right middle crossbar, rear upper crossbar, rear middle crossbar, and rear lower crossbar are each provided with a plurality of second connecting holes, and the second connecting holes are fastened to the corresponding first connecting holes by first screws.

[0012] As a preferred embodiment, the left upper crossbar, left middle crossbar, right upper crossbar, and right middle crossbar have the same structure. The left upper crossbar, left middle crossbar, right upper crossbar, and right middle crossbar all have an L-shaped structure. The left upper crossbar, left middle crossbar, right upper crossbar, and right middle crossbar all include two identical first transverse plates extending in the front-back direction. The two first transverse plates are integrally connected together in an L-shape. Each first transverse plate is provided with several second connecting holes.

[0013] As a preferred embodiment, the rear upper crossbar, rear middle crossbar, and rear lower crossbar have the same structure. The rear upper crossbar, rear middle crossbar, and rear lower crossbar all have an L-shaped structure. The rear upper crossbar, rear middle crossbar, and rear lower crossbar all include two identical second transverse plates extending in the left-right direction. The two second transverse plates are integrally connected together in an L-shape. Several second connecting holes are provided on the vertically arranged second transverse plates on the upper side.

[0014] As a preferred embodiment, the middle part of both the left and right connecting plates is provided with a number of mounting holes, which are in the shape of a racetrack. The mounting holes are connected to the corresponding second connecting holes on the left and right middle crossbars by second screws.

[0015] As a preferred embodiment, the lower outer ends of the two left vertical bars in each group of left vertical bars are connected to a left lower horizontal bar, and the lower outer ends of the two right vertical bars in each group of right vertical bars are connected to a right lower horizontal bar. The left and right lower horizontal bars have the same structure and are both L-shaped.

[0016] As a preferred embodiment, the left ends of the first and second upper beam plates extend beyond the spacing between the two sets of left-side vertical rods, and the right ends of the first and second upper beam plates extend beyond the spacing between the two sets of right-side vertical rods. The front and rear ends of the left connecting plate are detachably connected to the upper left end of the first upper beam plate and the upper left end of the second upper beam plate, respectively. The front and rear ends of the right connecting plate are detachably connected to the upper right end of the first upper beam plate and the upper right end of the second upper beam plate, respectively.

[0017] As a preferred embodiment, the upper left and upper right ends of the upper side of the first upper beam plate and the upper left and upper right ends of the upper side of the second upper beam plate are each provided with a first positioning hole, and the front and rear ends of the left connecting plate and the front and rear ends of the right connecting plate are each provided with a second positioning hole. The first positioning hole and the corresponding positioning hole are detachably connected by positioning screws.

[0018] This utility model has significant advantages and beneficial effects compared with the prior art. Specifically, as can be seen from the above technical solution, it mainly involves connecting the upper outer side of the left vertical bar to a left upper horizontal bar, connecting the middle outer side of the left vertical bar to a left middle horizontal bar, connecting the upper outer side of the right vertical bar to a right upper horizontal bar, connecting the middle outer side of the right vertical bar to a right middle horizontal bar, connecting the upper outer side, middle outer side, and lower outer side of the rear vertical bar to a rear upper horizontal bar, a rear middle horizontal bar, and a rear lower horizontal bar, respectively. The left and right ends of the rear upper horizontal bar, rear middle horizontal bar, and rear lower horizontal bar are respectively connected to the vertical plate, and the lower end of the left middle horizontal bar is connected to the left side of the upper beam of the car frame. The upper end of the connecting plate connects the lower end of the right middle crossbar to the upper end of the right connecting plate of the car frame upper beam. This allows the horizontal and vertical bars of the guardrail to be connected in a crisscross pattern, thereby enhancing the overall structural strength and improving the stability of the guardrail structure. Furthermore, by setting the left, right, and rear vertical bars to have the same structure and making them all L-shaped, each of the left, right, and rear vertical bars includes two identical vertical plates that are integrally connected in an L-shape. This ensures that the manufacturing of the left, right, and rear vertical bars is identical, thereby reducing manufacturing difficulty and production costs.

[0019] To more clearly illustrate the structural features, technical means, and specific objectives and functions of this utility model, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0020] Fig. 1 This is a three-dimensional schematic diagram of the overall structure of an embodiment of this utility model;

[0021] Fig. 2 This is a three-dimensional schematic diagram of the overall structure of an embodiment of this utility model from another angle;

[0022] Fig. 3 This is a three-dimensional schematic diagram of the upper beam of the sedan frame according to an embodiment of the present utility model;

[0023] Fig. 4 This is a top view of the upper beam of the car frame according to an embodiment of the present utility model.

[0024] Explanation of reference numerals in the attached diagram:

[0025] 1. Left vertical bar 2. Right vertical bar

[0026] 3. Rear vertical bar; 4. Upper beam of the car frame.

[0027] 5. Upper left crossbar; 6. Middle left crossbar

[0028] 7. Right upper crossbar; 8. Right middle crossbar

[0029] 9. Rear upper crossbar; 10. Rear middle crossbar

[0030] 11. Rear lower crossbar; 12. First upper beam plate

[0031] 13. Second upper beam plate; 14. Left side connecting plate

[0032] 15. Right side connecting plate 16. Left side lower crossbar

[0033] 17. Right lower horizontal bar 101, vertical plate section

[0034] 102. First connecting hole; 103. Second connecting hole

[0035] 104. First transverse plate portion; 105. Second transverse plate portion

[0036] 106. Mounting hole; 107. Third connecting hole

[0037] 108. First positioning hole; 109. Second positioning hole. Detailed Implementation

[0038] In the description of this utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inner", and "outer" appear to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0039] Please refer to Figs. 1 to 4 As shown, it illustrates the specific structure of the elevator car top guardrail assembly provided in an embodiment of the present invention.

[0040] The elevator car top guardrail assembly includes two sets of left vertical bars arranged with front-to-back spacing, two sets of right vertical bars arranged with front-to-back spacing, several rear vertical bars 3 arranged sequentially in the left-to-right direction, and a car frame upper beam 4; each set of left vertical bars includes two left vertical bars 1 arranged with front-to-back spacing, and each set of right vertical bars includes two right vertical bars 2 arranged with front-to-back spacing.

[0041] The outer upper end of the left vertical bar 1 is connected to a left upper horizontal bar 5, and the outer middle part of the left vertical bar 1 is connected to a left middle horizontal bar 6. The outer upper end of the right vertical bar 2 is connected to a right upper horizontal bar 7, and the outer middle part of the right vertical bar 2 is connected to a right middle horizontal bar 8. The outer upper end, outer middle part, and outer lower end of the rear vertical bar 3 are respectively connected to a rear upper horizontal bar 9, a rear middle horizontal bar 10, and a rear lower horizontal bar 11. The upper beam 4 of the car frame includes symmetrically arranged and parallel structures. The first upper beam plate 12 and the second upper beam plate 13 are arranged, and a left connecting plate 14 and a right connecting plate 15 are provided between the first upper beam plate 12 and the second upper beam plate 13. The lower end of the left middle horizontal bar 6 is connected to the upper end of the left connecting plate 14, and the lower end of the right middle horizontal bar 8 is connected to the upper end of the right connecting plate 15. In this way, the horizontal bars and vertical bars of the guardrail are connected together in a corresponding crisscross pattern, thereby enhancing the overall structural strength and improving the stability of the guardrail structure.

[0042] The lower outer ends of the two left vertical bars 1 in each group of left vertical bars are connected to a left lower horizontal bar 16. The lower outer ends of the two right vertical bars 2 in each group of right vertical bars are connected to a right lower horizontal bar 17. The left lower horizontal bar 16 and the right lower horizontal bar 17 have the same structure. Both the left lower horizontal bar 16 and the right lower horizontal bar 17 have an L-shaped structure, which can further enhance the overall structural strength.

[0043] The left vertical rod 1, right vertical rod 2, and rear vertical rod 3 have identical structures. All three are L-shaped and include two identical vertical plate sections 101, which are integrally connected in an L-shape. This allows for identical fabrication of the left vertical rod 1, right vertical rod 2, and rear vertical rod 3, reducing manufacturing difficulty and production costs. The left and right ends of the rear upper horizontal rod 9, rear middle horizontal rod 10, and rear lower horizontal rod 11 are respectively connected to the vertical plate sections 101.

[0044] The vertical plate 101 has first connecting holes 102 at its upper, middle, and lower ends. The left upper crossbar 5, left middle crossbar 6, right upper crossbar 7, right middle crossbar 8, rear upper crossbar 9, rear middle crossbar 10, and rear lower crossbar 11 each have several second connecting holes 103. The second connecting holes 103 are fastened to the corresponding first connecting holes 102 by first screws. The left lower crossbar 16 and right lower crossbar 17 each have third connecting holes 107, which are screwed to the corresponding first connecting holes 102.

[0045] The left upper horizontal bar 5, left middle horizontal bar 6, right upper horizontal bar 7, and right middle horizontal bar 8 have the same structure. The left upper horizontal bar 5, left middle horizontal bar 6, right upper horizontal bar 7, and right middle horizontal bar 8 are all L-shaped. The left upper horizontal bar 5, left middle horizontal bar 6, right upper horizontal bar 7, and right middle horizontal bar 8 all include two identical first transverse plate portions 104 extending in the front-back direction. The two first transverse plate portions 104 are integrally connected together in an L-shape. Each first transverse plate portion 104 is provided with several second connecting holes 103. In this way, the manufacturing of the left upper horizontal bar 5, left middle horizontal bar 6, right upper horizontal bar 7, and right middle horizontal bar 8 can be made the same, thereby reducing the manufacturing difficulty and production cost.

[0046] The rear upper crossbar 9, rear middle crossbar 10, and rear lower crossbar 11 have the same structure. The rear upper crossbar 9, rear middle crossbar 10, and rear lower crossbar 11 are all L-shaped. The rear upper crossbar 9, rear middle crossbar 10, and rear lower crossbar 11 all include two identical second transverse plate portions 105 extending in the left and right direction. The two second transverse plate portions 105 are integrally connected together in an L-shape. Several second connecting holes 103 are provided on the vertically arranged second transverse plate portion 105 on the upper side. In this way, the rear upper crossbar 9, rear middle crossbar 10, and rear lower crossbar 11 can be manufactured in the same way, thereby reducing the manufacturing difficulty and production cost.

[0047] The left connecting plate 14 and the right connecting plate 15 are provided with a number of mounting holes 106 in the middle. The mounting holes 106 are in the shape of a racetrack. The mounting holes 106 are connected to the corresponding second connecting holes 103 on the left middle crossbar 6 and the right middle crossbar 8 by second screws. In this way, the racetrack-shaped mounting holes 106 can adjust the position of the second connecting holes 103 locked in the mounting holes 106 by the second screws.

[0048] The left ends of the first upper beam plate 12 and the second upper beam plate 13 extend beyond the gap between the two sets of left-side vertical rods, and the right ends of the first upper beam plate 12 and the second upper beam plate 13 extend beyond the gap between the two sets of right-side vertical rods. The front and rear ends of the left connecting plate 14 are detachably connected to the upper left end of the first upper beam plate 12 and the upper left end of the second upper beam plate 13, respectively. The front and rear ends of the right connecting plate 15 are detachably connected to the upper right end of the first upper beam plate 12 and the upper right end of the second upper beam plate 13, respectively. In this way, the structure is simple and ingenious, and easy to assemble and disassemble.

[0049] First positioning holes 108 are provided at the upper left and upper right ends of the upper side of the first upper beam plate 12 and the upper left and upper right ends of the upper side of the second upper beam plate 13. Second positioning holes 109 are provided at the front and rear ends of the left connecting plate 14 and the front and rear ends of the right connecting plate 15. The first positioning holes 108 and the corresponding positioning holes are detachably connected by positioning screws to realize the detachable connection between the upper beam plate and the connecting plate.

[0050] In summary, the key design feature of this utility model lies in the following: the upper outer side of the left vertical bar is connected to a left upper horizontal bar; the middle outer side of the left vertical bar is connected to a left middle horizontal bar; the upper outer side of the right vertical bar is connected to a right upper horizontal bar; the middle outer side of the right vertical bar is connected to a right middle horizontal bar; the upper outer side, middle outer side, and lower outer side of the rear vertical bar are respectively connected to a rear upper horizontal bar, a rear middle horizontal bar, and a rear lower horizontal bar; the left and right ends of the rear upper horizontal bar, rear middle horizontal bar, and rear lower horizontal bar are respectively connected to the vertical plate; and the lower end of the left middle horizontal bar is connected to the upper end of the left connecting plate of the upper beam of the car frame; and the right middle horizontal bar... The lower end of the rod is connected to the upper end of the right connecting plate of the upper beam of the car frame. In this way, the horizontal and vertical bars of the guardrail can be connected in a crisscross pattern, thereby enhancing the overall structural strength and improving the stability of the guardrail structure. Furthermore, by setting the left, right, and rear vertical bars to have the same structure and making them all L-shaped, each of the left, right, and rear vertical bars includes two vertical plates with the same structure. These two vertical plates are connected together in an L-shape. This makes the manufacturing of the left, right, and rear vertical bars the same, thereby reducing manufacturing difficulty and production costs.

[0051] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. An elevator car top guardrail assembly, characterized in that: It includes two sets of left vertical bars with front-to-back spacing, two sets of right vertical bars with front-to-back spacing, several rear vertical bars with spacing along the left and right directions, and the upper beam of the car frame; each set of left vertical bars includes two left vertical bars with front-to-back spacing, and each set of right vertical bars includes two right vertical bars with front-to-back spacing. The left vertical bar, right vertical bar, and rear vertical bar have the same structure. The left vertical bar, right vertical bar, and rear vertical bar all have an L-shaped structure. The left vertical bar, right vertical bar, and rear vertical bar all include two vertical plates with the same structure. The two vertical plates are connected together in an L-shape. The outer upper end of the left vertical bar is connected to a left upper horizontal bar, the outer middle part of the left vertical bar is connected to a left middle horizontal bar, the outer upper end of the right vertical bar is connected to a right upper horizontal bar, the outer middle part of the right vertical bar is connected to a right middle horizontal bar, the outer upper end, the outer middle part, and the outer lower end of the rear vertical bar are respectively connected to a rear upper horizontal bar, a rear middle horizontal bar, and a rear lower horizontal bar, and the left and right ends of the rear upper horizontal bar, the rear middle horizontal bar, and the rear lower horizontal bar are respectively connected to the vertical plate. The car frame upper beam includes a first upper beam plate and a second upper beam plate arranged symmetrically and parallel to each other. A left connecting plate and a right connecting plate are provided between the first upper beam plate and the second upper beam plate. The lower end of the left middle crossbar is connected to the upper end of the left connecting plate, and the lower end of the right middle crossbar is connected to the upper end of the right connecting plate.

2. The elevator car top guardrail assembly according to claim 1, characterized in that: The upper, middle and lower ends of the vertical plate are each provided with a first connecting hole. The left upper crossbar, left middle crossbar, right upper crossbar, right middle crossbar, rear upper crossbar, rear middle crossbar and rear lower crossbar are each provided with a plurality of second connecting holes. The second connecting holes are locked to the corresponding first connecting holes by first screws.

3. The elevator car top guardrail assembly according to claim 2, characterized in that: The left upper crossbar, left middle crossbar, right upper crossbar, and right middle crossbar have the same structure. The left upper crossbar, left middle crossbar, right upper crossbar, and right middle crossbar all have an L-shaped structure. The left upper crossbar, left middle crossbar, right upper crossbar, and right middle crossbar all include two first transverse plates with the same structure extending in the front-back direction. The two first transverse plates are integrally connected together in an L-shape. Each first transverse plate is provided with several second connecting holes.

4. The elevator car top guardrail assembly according to claim 2, characterized in that: The rear upper crossbar, rear middle crossbar, and rear lower crossbar have the same structure. The rear upper crossbar, rear middle crossbar, and rear lower crossbar all have an L-shaped structure. The rear upper crossbar, rear middle crossbar, and rear lower crossbar all include two identical second transverse plates extending in the left-right direction. The two second transverse plates are integrally connected together in an L-shape. Several second connecting holes are provided on the vertically arranged second transverse plates on the upper side.

5. An elevator car top guardrail assembly according to claim 3, characterized in that: The left and right connecting plates each have several mounting holes in their middle sections. These mounting holes are racetrack-shaped and are connected to the corresponding second connecting holes on the left and right middle crossbars by second screws.

6. The elevator car top guardrail assembly according to claim 1, characterized in that: The lower outer ends of the two left vertical bars in each group of left vertical bars are connected to a left lower horizontal bar. The lower outer ends of the two right vertical bars in each group of right vertical bars are connected to a right lower horizontal bar. The left and right lower horizontal bars have the same structure and are both L-shaped.

7. An elevator car top guardrail assembly according to claim 1, characterized in that: The left ends of the first and second upper beam plates extend beyond the spacing between the two sets of left-side vertical rods, and the right ends of the first and second upper beam plates extend beyond the spacing between the two sets of right-side vertical rods. The front and rear ends of the left connecting plate are detachably connected to the upper left end of the first upper beam plate and the upper left end of the second upper beam plate, respectively. The front and rear ends of the right connecting plate are detachably connected to the upper right end of the first upper beam plate and the upper right end of the second upper beam plate, respectively.

8. An elevator car top guardrail assembly according to claim 7, characterized in that: First positioning holes are provided on the upper left and upper right ends of the first upper beam plate and the upper left and upper right ends of the second upper beam plate. Second positioning holes are provided on the front and rear ends of the left connecting plate and the front and rear ends of the right connecting plate. The first positioning holes and the corresponding positioning holes are detachably connected by positioning screws.

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