JPH04107770U - Structure of entrance/exit door of construction lifting equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To improve durability and safety by preventing the door from bulging due to wind or contact with other objects. [Structure] First and second guide rails 14, 17 and first and second guide rods 15, 18 are installed above and below the door 6, which is constructed by connecting links 9 so as to be able to rotate relative to each other.
and a posture regulating material 1 at a midway point in the opening/closing direction of the door 6.
2, 13 and its posture regulating material 12, 1
First and second guide wheels 16, 19 are attached to the tips of the position regulating members 12, 13, and the positions midway in the vertical direction of the posture regulating members 12, 13
and second guide rods 15, 18, and the first and second guide wheels 16, 19 are fitted to the first and second guide rails 14, 17, so that the door 6 in the closed state is vertically Maintain posture.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is suitable for construction lifting equipment such as construction lifts and long span elevators. This is used for the door on the loading platform side or the landing side of the structure, and between the supporting members, A construction lift with a door that can be opened and closed by connecting links so that they can rotate relative to each other. Concerning the structure of entrance/exit doors for heavy equipment.

0002

[Conventional technology]

In the conventional structure of this type of entrance/exit door, support rods are installed at each end of the door. one of the support rods is attached to the support member provided on the lifting device main body. is fixed, and a roller is attached to the lower part of the other support rod, and the side where the roller is attached is attached. The entrance door is configured to open and close by pushing and pulling the support rod. There is.

0003

[Problem that the idea aims to solve]

However, in the case of the conventional example, when the entrance/exit door is closed, the , the door may be displaced inward or outward due to collision with other objects such as construction materials, and construction The door, which bulged outward when the lifting equipment was raised and lowered, collided with the loading platform or landing and was damaged. However, it had the drawbacks of lacking durability and decreasing safety.

0004 In particular, doors on the upper floors of high-rise building construction sites are susceptible to displacement due to strong winds. , improvement is desired.

[0005] The present invention was developed in view of these circumstances, and is designed to prevent contact with wind and other objects. To prevent door bulges caused by The porpose is to do.

[0006]

[Means to solve the problem] In order to achieve the above-mentioned purpose, the present invention provides links between supporting members. Access to construction lifting equipment with a door that can be opened and closed by connecting it to the In the structure of the entrance door, there is a guide rail on at least one side above or below the door. In addition to installing a guide rod and installing a posture regulating material in the middle of the door in the opening/closing direction. At the same time, a guide ring is attached to the tip of the posture regulating material, and a guide wheel is attached to the top and bottom of the posture regulating material. Support the midway point on the guide rod and the guide wheel on the guide rail. Insert and configure.

[0007]

[Effect]

According to the structure of the entrance/exit door of the construction lifting equipment of the present invention, when the door is closed, Support the halfway point with posture regulating material to prevent the door from moving in or out. I can do that.

[0008]

【Example】

Figure 1 is a side view of a construction elevator as an example of construction lifting equipment, and Figure 2 is an This is a front view of the entrance door, with a pair of left and right walls surrounding the structure A under construction using steel frames, etc. The masts 1 are erected, and guides are installed on each of the left and right masts 1. A lifting device is provided that can be moved up and down along the guide rails 2, 2. The body 3 is attached to the construction equipment for lifting and transporting various loads such as construction materials. The elevator is configured.

[0009] A pair of support members whose upper parts are integrally connected by a horizontal frame 4 are provided on the structure A side of the lifting device main body 3. Support frames 5, 5 are provided as support frames 5, 5, and a door 6 can be opened and closed between the support frames 5, 5. An entrance/exit door is provided.

0010 The door 6 has support rods 7a and 7b at both ends in the opening and closing direction, and intermediate rods 8 and 8, respectively. are connected by links 9... which are connected to each other so that they can rotate relative to each other, and one support A holding rod 7a is attached and fixed to one support frame 5, and the other support rod 7a is attached and fixed to one support frame 5. A rolling wheel 10 is attached to the lower part of the supporting rod 7b on the side to which the rolling wheel 10 is attached. The door is configured to open and close by pushing and pulling.

[0011] Intermediate portions between support rods 7a and 7b at both ends and intermediate rods 8 and 8, respectively. The enlarged front view of the main part in Fig. 3 and the cross-sectional view in Fig. 4 are shown above and below, respectively. As clearly indicated in each, link 9...Using the connecting pin 11 that connects each other, , rod-shaped attitude regulating members 12, 12, 13, 13 are attached.

0012 A first guide rail 14 is provided on the downward surface of the horizontal frame 4, and A first guide rod 15 is provided across the left and right support frames 5, 5 in a state where the first guide rod 15 is located at and a first guide ring at the upper end of each of the upper posture regulating members 12, 12. 16 is attached, and each of the upper posture regulating members 12, 12 is connected to the first guide rod 1. 5, and the first guide wheel body 16 is slidably fitted onto the first guide rail. 14.

[0013] In addition, when a second guide rail 17 is provided on the floor surface of the lifting device main body 3, The second guide rod is positioned above the left and right support frames 5, 5. A second door 18 is provided at the lower end of each of the lower posture regulating members 13, 13. A guide ring body 19 is attached, and each of the lower posture regulating members 13, 13 is attached to a second guide wheel body 19. The second guide wheel body 19 is slidably fitted onto the idle rod 18, and the second guide wheel body 19 is It is fitted into the guide rail 17 of.

[0014] The upper and lower posture regulating members 12 and 13 each have an elongated hole 20 in the vertical direction in the connecting pin 11. can absorb vertical displacement of the position of the connecting pin 11 due to opening and closing of the door 6. It is configured to

[0015] A pair of upper and lower locking fittings 2 are attached to the support frame 5 on the side of the support rod 7b to which the rolling wheels 1 are attached. 1 is provided, and the support rod 7b is fixedly held by lock fittings 21, 21. It is configured to maintain the door 6 in a closed state.

[0016] With the above configuration, when opening and closing the door 6, the upper and lower posture regulating members 12, 13 and Each moves horizontally while maintaining a vertical posture, and the door 6 is perpendicular to the opening/closing direction. It is designed to prevent displacement in the horizontal direction.

[0017] In the above embodiment, posture regulating members 12 and 13 are provided on the upper and lower sides of the door 6, respectively. However, the present invention may be provided only on either the upper or lower side.

[0018] In addition, in the above embodiment, it is applied to the door 6 on the side of the lifting device main body 3, but the structure A At the entrance/exit door provided on each landing side corresponding to the movement location of the lifting device main body 3. can also be applied.

[0019]

[Effect of the idea]

According to the structure of the entrance/exit door of the construction lifting equipment of the present invention, the door may be exposed to wind or other objects. Even if the door collides with an object, it will prevent the door from bulging outwards and prevent the door from bulging out. This prevents the sliding door from colliding with the loading platform or landing and causing damage, increasing durability and and safety can now be improved.

[Brief explanation of drawings]

FIG. 1 is a side view of a construction elevator as an example of a construction lifting device.

FIG. 2 is a front view of the entrance/exit door.

FIG. 3 is an enlarged front view of the main part of FIG. 2;

FIG. 4 is a sectional view taken along line BB in FIG. 3;

[Explanation of symbols]

5...Support frame as a support member 6...door 9...Link 12...Upper posture regulating material 13...Lower posture regulating material 14...First guide rail 15...First guide rod 16...First guide ring body 17...Second guide rail 18...Second guide rod 19...Second guide ring body

Claims (1)

[Scope of utility model registration request] 1. In the structure of an entrance/exit door of a construction lifting device, the door is configured to be openable and closable, and the door is constructed by relatively rotatably connecting links between support members, wherein at least one of the upper and lower sides of the door is provided. A guide rail and a guide rod are provided, an attitude regulating member is attached to a midway point in the opening/closing direction of the door, and a guide wheel is attached to the tip of the attitude regulating member, and a midway point in the vertical direction of the attitude regulating member is attached. A structure of an entrance/exit door for a construction lifting device, characterized in that the door is supported by the guide rod and the guide ring body is fitted into the guide rail.