High-safety elevator car for external field construction

Abstract

The utility model relates to the technical field of elevator cars, and discloses a high-safety elevator car for outfield construction, which comprises a car wall, and an opening is formed in the front part of the car wall; the car bottom is fixed at the bottom end of the car wall; the car roof is fixed at the top end of the car wall; the car door is installed on the front opening of the car wall in an openable and closable mode; the plate grooves are formed in the inner sides of the three faces of the car bottom, the car door and the car wall. One air bag mounting plate is fixedly mounted in each plate groove; and one air bag assembly is fixed on each air bag mounting plate. A sliding way is horizontally fixed to the front side of the car wall and located at the upper end of the opening, a sliding groove is horizontally formed in the bottom end of the front portion of the car bottom, sliding blocks are arranged at the top end and the bottom end of the car door, and the car door moves in the sliding way and the sliding groove through the sliding blocks to be opened and closed. A complete protection area can be formed in the lift car, protection coverage is more comprehensive, the response speed of the air bag is high, and safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator cars, in particular to a high-safety elevator car for field construction. Background Art

[0002] Construction elevators are usually called construction hoists. They are mainly composed of a car, a drive mechanism, a standard section, a wall-mounted electrical system, etc. They are generally used to carry people and goods in construction. They are usually used in conjunction with tower cranes and have the characteristics of large load capacity. Construction elevators are used frequently and have more complex installation and working environments. Therefore, the risk of falling is greater than that of ordinary building elevators. However, they lack active anti-fall facilities and have greater safety risks.

[0003] There are also some studies related to elevator fall protection in the prior art, such as:

[0004] (1) The Chinese utility model patent application number is 201721072368.4, entitled "An elevator airbag to prevent passengers from being injured when an elevator falls". It is designed with several small airbags, which are mainly arranged at the bottom of the car to prevent passengers from being hit or falling. The Chinese invention patent application number is 201910693101.4, entitled "An elevator car equipped with an airbag". It also has an airbag at the bottom of the car to prevent passengers from being hit or falling.

[0005] (2) Application No. 201720337610.X, entitled "A box-type elevator with airbags", has airbags arranged on the outer walls of the three side walls and the bottom plate of the box-type elevator. In the event of an accident, the airbags can provide cushioning, which can significantly reduce the damage to people and reduce the mortality rate.

[0006] In the prior art, elevators equipped with airbags are usually only provided with airbags on part of the side walls, so that the protective coverage is incomplete. In the event of accidents such as the construction elevator falling off, overturning and falling to the ground, there is still a certain safety risk. Utility Model Content

[0007] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a high-security elevator car for field construction that is different from the existing structure, so that a complete protection area can be formed inside the car, the protection coverage is more comprehensive, the airbag response speed is fast, and the safety is high.

[0008] The utility model is implemented by the following technical scheme: a high-security elevator car for field construction, comprising a car wall, the front part of which is provided with an opening; a car bottom, the car bottom is fixed to the bottom end of the car wall; a car top, the car top is fixed to the top end of the car wall; a car door, the car door is openably mounted on the front opening of the car wall; a plate groove, the inner sides of three sides of the car bottom, the car door and the car wall are provided with plate grooves; an airbag mounting plate, each plate groove is fixedly mounted with an airbag mounting plate; and an airbag assembly, each airbag mounting plate is fixed with an airbag assembly.

[0009] Furthermore, a slide is horizontally fixed at the upper end of the opening on the front side of the car wall, a slide groove is horizontally arranged at the front bottom end of the car bottom, and sliders are arranged at the top and bottom ends of the car door. The car door uses the slider to move in the slide and the slide groove to achieve opening and closing.

[0010] Furthermore, an airbag mounting groove is provided in the center of the airbag mounting plate, the airbag assembly is fixed in the airbag mounting groove, and a partition is installed on the inner side of the airbag mounting plate next to each airbag mounting groove.

[0011] Furthermore, the airbag assembly includes an airbag storage box, an airbag and an inflation assembly, wherein the inflation assembly is fixed in the airbag storage box and is used to quickly inflate the airbag, and the airbag is arranged at the top of the airbag storage box, and the airbag is located between the top of the airbag storage box and the partition.

[0012] Furthermore, the inflation assembly includes an air tank sleeve, a connecting shell, an air tank, a trigger device and a control unit, wherein the air tank sleeve is located on the outside of the air tank, a shell hole is provided in the center of the connecting shell, a tank cover is provided on the outside of the air tank, the air tank is fixed in the shell hole through the tank cover, the air outlet of the air tank is connected to the air inlet of the airbag, high-pressure gas is stored in the air tank, a trigger device is provided at the air outlet of the air tank for controlling the air outlet switch of the air tank, and the control unit is installed in the airbag storage box, which also has a control trigger device.

[0013] Furthermore, the control unit includes a single-chip microcomputer, a gyroscope and an acceleration sensor. The gyroscope and acceleration sensor are connected to the signal input end of the single-chip microcomputer via a data line, and the signal output end of the single-chip microcomputer is connected to the trigger device via the data line, and the music controls the trigger device to work.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model is a high-security elevator car for outdoor construction. Airbag components are arranged on the three inner sides of the car bottom, two car doors and car wall, so that a complete protection area can be formed inside the car, and the protection coverage is more comprehensive. In the event of the construction elevator falling off, or flipping over at a certain angle and falling to the ground, the personnel inside the car can still be protected to reduce the damage to the human body.

[0016] 2. The utility model provides a high-security elevator car for field construction, in which the airbag assembly is fixed in an airbag mounting groove and is easy to install. A gyroscope and an acceleration sensor are used to collect elevator car motion data. When the elevator falls off, the airbag can be quickly inflated and popped out, with a fast response speed and high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a high-safety elevator car for field construction of the utility model;

[0018] Figure 2 It is a schematic diagram of the connection structure between the airbag assembly and the airbag mounting plate in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the airbag mounting plate in the utility model;

[0020] Figure 4 It is the airbag component of the airbag component in the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the airbag assembly of the utility model after the airbag is removed;

[0022] Figure 6 It is a structural schematic diagram of the inflatable component in the utility model;

[0023] Figure 7 It is a schematic diagram of the separation structure of the inflatable component in the utility model;

[0024] Figure 8 It is a connection block diagram of the control unit in the utility model.

[0025] In the figure: 1. car bottom; 2. car wall; 3. car roof; 4. car door; 5. airbag mounting plate; 6. airbag assembly; 7. inflation assembly; 11. partition; 12. slide groove; 32. slideway; 42. slider; 51. plate groove; 52. airbag mounting groove; 61. airbag storage box; 62. airbag; 71. gas tank sleeve; 72. connecting shell; 721. shell hole; 73. gas tank; 731. tank cover; 74. trigger device; 81. single chip microcomputer; 82. gyroscope; 83. acceleration sensor. DETAILED DESCRIPTION

[0026] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0027] The utility model aims to provide a high-safety elevator car for field construction in view of the defects of the prior art.

[0028] Embodiment 1

[0029] This embodiment provides a high-security elevator car for field construction. Figure 1 As shown, it includes a car bottom 1, a car wall 2, a car top 3, a car door 4, an airbag mounting plate 5, a plate groove 51 and an airbag assembly 6. The car wall 2 is provided with an opening at the front, the car bottom 1 is fixed to the bottom end of the car wall 2, the car top 3 is fixed to the top of the car wall 2, and the car door 4 is installed on the front opening of the car wall 2 in an openable and closable manner. The three inner sides of the car bottom 1, the car door 4 and the car wall 2 are provided with plate grooves 51, and an airbag mounting plate 5 is fixedly installed in each plate groove 51, and an airbag assembly 6 is fixed on each airbag mounting plate 5.

[0030] Reference Figure 1 As shown, a slide 32 is horizontally fixed at the upper end of the opening on the front side of the car wall 2, a slide groove 12 is horizontally arranged at the front bottom end of the car bottom 1, and sliders 42 are arranged at the top and bottom ends of the car door 4. The car door 4 uses the sliders 42 to move in the slide 32 and the slide groove 12 to achieve opening and closing.

[0031] Reference Figure 2-Figure 3 As shown, an airbag mounting groove 52 is provided in the center of the airbag mounting plate 5 , and the airbag assembly 6 is fixed in the airbag mounting groove 52 . A partition plate 11 is installed on the inner side of the airbag mounting plate 5 next to each airbag mounting groove 52 .

[0032] Reference Figure 4-Figure 5 As shown, the airbag assembly 6 includes an airbag storage box 61, an airbag 62 and an inflation assembly 7. The inflation assembly 7 is fixed in the airbag storage box 61 and is used to quickly inflate the airbag 62. The airbag 62 is arranged at the top of the airbag storage box 61. The airbag 62 is located between the top of the airbag storage box 61 and the partition 11.

[0033] Reference Figure 6-Figure 7As shown, the inflation assembly 7 includes a gas tank sleeve 71, a connecting shell 72, a gas tank 73, a trigger device 74 and a control unit. The gas tank sleeve 71 is located on the outside of the gas tank 73 for protecting the gas tank 73. A shell hole 721 is provided in the center of the connecting shell 72. A tank cover 731 is provided on the outside of the gas tank 73. The gas tank 73 is fixed in the shell hole 721 through the tank cover 731. The gas outlet of the gas tank 73 is connected to the gas inlet of the airbag 62. High-pressure inert gas is stored in the gas tank 73. A trigger device 74 is provided at the gas outlet of the gas tank 73. The trigger device 74 uses an electric trigger device in the prior art and uses an electric control signal to control the gas outlet switch of the gas tank 73. The control unit is installed in the airbag storage box 61 and also controls the trigger device 74.

[0034] Reference Figure 8 As shown, the control unit includes a single-chip microcomputer 81, a gyroscope 82 and an acceleration sensor 83. The single-chip microcomputer 81 can use the STM32 series single-chip microcomputer in the prior art, and the gyroscope 82 uses the high-precision six-axis gyroscope in the prior art. The gyroscope 82 and the acceleration sensor 83 are connected to the signal input end of the single-chip microcomputer 81 through a data line, and the signal output end of the single-chip microcomputer 81 is connected to the trigger device 74 through a wire line for controlling the operation of the trigger device 74.

[0035] The utility model is a high-security elevator car for field construction. The airbag assembly 6 is arranged on the three inner sides of the car bottom 1, two car doors 4 and the car wall 2, so that the interior of the car can form a complete protection area, and the protection coverage is more comprehensive. In the event of the construction elevator falling off, or flipping and falling to the ground at a certain angle, the personnel inside the car can still be protected to reduce the damage to the person. The airbag assembly 6 is fixed in the airbag installation groove 52, which is easy to install. It uses a gyroscope 82 and an acceleration sensor 83 to collect elevator car motion data. When the elevator falls off, it can control the trigger device 74 to respond in time through the single-chip microcomputer 81, so that the airbag 62 can be quickly inflated and ejected, and the response speed is fast.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-security elevator car for field construction, characterized in that: include A car wall (2), wherein the front portion of the car wall (2) is provided with an opening; A car platform (1), wherein the car platform (1) is fixed to the bottom end of the car wall (2); A car roof (3), wherein the car roof (3) is fixed to the top of the car wall (2); A car door (4), the car door (4) being installed on the front opening of the car wall (2) in an openable and closable manner; Plate grooves (51), the inner sides of three surfaces of the car floor (1), the car door (4) and the car wall (2) are all provided with plate grooves (51); An airbag mounting plate (5), wherein each plate slot (51) has an airbag mounting plate (5) fixedly mounted therein; and An airbag assembly (6), one airbag assembly (6) is fixed on each airbag mounting plate (5).

2. The high-security elevator car for field construction according to claim 1 is characterized in that: A slideway (32) is horizontally fixed at the upper end of the opening on the front side of the car wall (2), a slide groove (12) is horizontally arranged at the front bottom end of the car bottom (1), and sliders (42) are arranged at the top and bottom ends of the car door (4). The car door (4) uses the slider (42) to move in the slideway (32) and the slide groove (12) to achieve opening and closing.

3. The high-security elevator car for field construction according to claim 2 is characterized in that: An airbag mounting groove (52) is arranged at the center of the airbag mounting plate (5), the airbag assembly (6) is fixed in the airbag mounting groove (52), and a partition plate (11) is installed on the inner side of the airbag mounting plate (5) next to each airbag mounting groove (52).

4. The high-security elevator car for field construction according to claim 3 is characterized in that: The airbag assembly (6) comprises an airbag storage box (61), an airbag (62) and an inflation assembly (7). The inflation assembly (7) is fixed in the airbag storage box (61) and is used to quickly inflate the airbag (62). The airbag (62) is arranged at the top of the airbag storage box (61). The airbag (62) is located between the top of the airbag storage box (61) and the partition (11).

5. The high-security elevator car for field construction according to claim 4 is characterized in that: The inflation assembly (7) comprises an air tank sleeve (71), a connecting shell (72), an air tank (73), a trigger device (74) and a control unit. The air tank sleeve (71) is located outside the air tank (73). A shell hole (721) is provided at the center of the connecting shell (72). A tank cover (731) is provided outside the air tank (73). The air tank (73) is fixed in the shell hole (721) through the tank cover (731). The air outlet of the air tank (73) is connected to the air inlet of the air bag (62). High-pressure gas is stored in the air tank (73). A trigger device (74) is provided at the air outlet of the air tank (73) for controlling the air outlet switch of the air tank (73). The control unit is installed in the air bag storage box (61) and also has a control trigger device (74).

6. The high-security elevator car for field construction according to claim 5, characterized in that: The control unit comprises a single chip microcomputer (81), a gyroscope (82) and an acceleration sensor (83); the gyroscope (82) and the acceleration sensor (83) are connected to a signal input end of the single chip microcomputer (81) via a data line; the signal output end of the single chip microcomputer (81) is connected to a trigger device (74) via a data line; and the music controls the trigger device (74) to operate.

Images