JPH0538156Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a break device that can be opened and closed in the middle of a ramp used when going up and down a shaft.

[Prior art] Conventionally, as a rest device that can be opened and closed midway through a ramp used when going up and down inside a shaft, as disclosed in Publication of Utility Model Publication No. 60-5118, an opening for the passage of people going up and down has been installed. A resting device is provided, in which the proximal end of a supporting frame body having a base end is fixed to a shaft lining material, and one side of a resting opening/closing plate is attached to the horizontal part of the distal end of the supporting frame body so as to be openable and closable by a hinge having a horizontal axis. Are known.

[Problem that the invention attempts to solve]

However, in the case of the above-mentioned conventional rest device, when the person going up and down the ramp (worker) passes through the part of the break device, the person who goes up and down the ramp has to stand up and rotate the opening/closing plate with one hand to hold it in the open position. At the same time, the user has to grip the step with the other hand to move up and down through the opening for passing the person going up and down, making it difficult for the person going up and down the ramp to perform operations when passing through the resting device. , and there is a problem that there is a large risk of accidentally falling.

This design allows the operator (worker) who is going up and down the ramp in the shaft to pass through the resting device easily and safely, and furthermore, after going up and down the resting device. It is an object of the present invention to provide a rest device for an elevator ramp in a shaft, in which the opening/closing plate of the rest device can be easily locked in a fully closed position.

[Means for solving problems]

In order to achieve the above object, in the inventive shaft elevator ramp rest device, the proximal end of the support frame 2 having the opening 1 for the passage of elevators and descenders is directly or indirectly connected to the shaft lining material 3. One end of one side of the rest opening/closing plate 4, which is fixed and placed on the horizontal upper surface of the support frame 2, is pivoted by a vertical shaft 6 to the middle part of one main frame rod 5 of the support frame 2. A locking hole 7 is provided at the other end of the one side of the opening/closing plate 4, and an elastic support member is provided at the intermediate portion of the other main frame rod 8 of the support frame 2, which exerts elastic resistance against pressing force. 9 is attached to the elastic support member 9, and a locking piece 10 inserted into the locking piece in/out hole 35 of the main frame rod 8, a locking piece 10 inserted into the locking hole 7, and an operating piece 11 for pressing down the elastic support member. is attached, and a slope 12 for pushing down the locking piece that engages with the opening/closing plate 4 is provided on the top of the locking piece 10, and a lifting ramp 13 is arranged between each of the main frame rods 5 and 8. ing.

[Effect]

When a worker going up and down the ramp passes through the resting device, the worker uses one hand or one foot to push down the elastic support member pressing operation piece 11 to lock the locking piece 10. At the same time as removing it from the hole 7, in this state, rotate the rest opening/closing plate 4 slightly in the opening direction to remove the entire rest opening/closing plate 4 from the top of the locking piece pressing slope 12 of the locking piece 10 in the opening direction. After that, the break opening/closing plate 4 is rotated to the fully open position. Or, if the worker turns the opening/closing plate 4 to the fully closed position after passing through the rest area,
The opening/closing plate 4 is automatically locked in the fully closed position.

〔Example〕

Next, this invention will be explained in detail using illustrated examples.

The drawing shows an embodiment of this invention, in which a metal tube foot rod 15 is fixed through a pair of metal vertical frame rods 14 arranged at intervals in the left-right direction, and is used for lifting and lowering. A ramp is constructed, and the ramp 13 is arranged so as to extend along the inside of the shaft lining material 3 made of a corrugated metal plate,
A large number of mounting brackets 1 each include a pair of horizontal side plates 16 arranged at intervals in the left-right direction and an arc-shaped connecting member 17 that connects the base end of each side plate 16.
8 are arranged at intervals in the vertical direction between the ramp 13 and the shaft lining material 3, and the intermediate portion of the connecting member 17 in the mounting bracket 18 is connected to the shaft lining material 3 by a plurality of hook bolts 1.
Further, each vertical frame rod 14 of the ramp 13 is fixed to each side plate 16 of the mounting bracket 18 by bolts 20.

A locking fitting 24 is provided at both ends of a partially cut-out circular band-shaped metal plate enclosure frame body 21 with a horizontal locking pin 22 at the top and a groove-shaped portion 23 at the bottom.
are fixed by welding to form a safety enclosure frame 25 with locking fittings, and a large number of safety enclosure frames 25 with locking fittings are arranged at intervals in the longitudinal direction of the ramp. After the safety enclosure frame 25 with locking fittings is rotated around the locking pin 22, the groove-shaped portion 2
3 is fitted into the vertical frame rod 14 of the ramp 13, and a safety enclosure frame 25 with locking fittings is locked to the ramp 13.

A pair of main frame rods 5, 8 extending parallel to the diameter line of the shaft lining material 3 are arranged at intervals in the left-right direction, and the tip of each main frame rod 5, 8, that is, the end on the shaft center side The support frame 2 is connected via a connecting frame member 26, and furthermore, the front end portion of an inclined support frame member 27 is fixed to the front end portion of each main frame rod 5, 8, thereby forming a support frame body 2 having an opening 1 for passage of a person going up and down. The base end portions of the main frame rods 5 and 8 and the base end portions of the inclined restraint frame members 27 in the support frame 2 are fixed to the side plate 16 of the mounting bracket 18 by a plurality of bolts 20. There is.

The periphery of a wire mesh 29 made of expanded metal or the like of the rectangular frame 28 is fixed by welding to form the rest opening/closing plate 4, and at one end of one side of the opening/closing plate 4, the upper end of the vertical shaft 6 Frame body 2
A vertical cylindrical body 30 is fixed to 8 by welding, and is attached to the intermediate part of one main frame rod 5 in the support frame body 2.
The upper end portion is fixed by welding, and a through hole located above the vertical cylinder body 30 is provided,
The vertical shaft 6 is fitted into the through hole in the middle of the main frame rod 5 and the vertical cylinder 30, the opening/closing plate 4 is slidably mounted on the horizontal upper surface of the support frame 2, and A washer 31 is fitted to the lower end of the vertical shaft 6, and a retaining split pin 32 is inserted therethrough.

At the other end of the one side of the opening/closing plate 4, a locking hole 7 is provided in the bottom plate of the frame 28, and a portion of the wire mesh 29 located above the locking hole 7 is located above the bottom plate of the frame 28. The upper part of the stopper 33 for stopping the opening is arranged so as to be separated from the frame 2 at the middle part of the one side of the opening/closing plate 4.
8 by welding, and further the support frame 2
A stopper 34 for stopping the closing is fixed by welding to the upper surface of the middle part of the other main frame rod 8, and the opening/closing plate 4 is rotated in the opening direction (direction of arrow G) from the closing position shown in FIG. When the opening/closing plate 4 is fully opened as shown in FIG. 4, the opening/closing stopper 33 engages with the side surface of the one main frame rod 5.
Rotation of the opening/closing plate 4 is prevented. In addition, the opening/closing plate 4
When the opening/closing plate 4 is fully closed as shown in FIG. 2, when the opening/closing plate 4 is rotated from the fully open position shown in FIG.
The opening/closing plate 4 is engaged with the opening/closing plate 4, and rotation of the opening/closing plate 4 is prevented.

A locking piece entry/exit through hole 35 located below the locking hole 7 of the opening/closing plate 4 placed in the closed position is provided in the horizontal plate of the other main frame rod 8, and a lower portion of the through hole 35 is provided. A mounting arm is bent upward and connected to the proximal end of an elastic support member 9 made of a band-shaped metal plate that extends in the longitudinal direction of the main frame rod through the main frame rod. The vertical rod 36 of the inverted L-shaped elastic support member pressing operation piece 11 is fixed to the main frame rod 8 by welding, and between the blocking stopper 34 and the side plate 16 of the mounting bracket 18 The lower end of the vertical rod 36 is fixed to the tip of the elastic support member 9 by welding, and the horizontal rod 37 of the operating piece 11 is arranged above the upper surface of the main frame rod 8. At the same time, it protrudes laterally from the side surface of the main frame rod 8.

The lower part of the locking piece 10 inserted into the locking piece entrance/exit through hole 35 and the locking hole 7 is fixed to the middle upper part of the elastic support member 9 by welding, and the upper end of the locking piece 10 has a , the occlusion stopper 34
A locking piece pressing slope 12 that slopes downward as the locking piece moves away from the main frame rod 8, and a rise limiting stopper surface 38 that is engaged with the lower surface of the main frame rod 8, are provided, and are rotated in the closing direction. When the opening/closing plate 4 approaches the closing position, the lower part of the frame 28 of the opening/closing plate 4 engages with the locking piece pressing slope 12, and in this state, the opening/closing plate 4 is further rotated in the closing direction. As the locking piece 10 is pushed down by the frame 28 of the opening/closing plate 4 against the elastic resistance of the elastic supporting member 9, the elastic supporting member 9 is deformed within its elastic limit, and the opening/closing plate 4 is pushed down. is rotated to the fully closed position,
When the slope 12 comes off the frame 28, the locking piece 10 is automatically inserted into the locking hole 7 of the opening/closing plate 4 due to the elasticity of the elastic support member 9, and the locking piece 10 moves the opening/closing plate 4 in the opening direction. Rotation is prevented.

When a worker ascends the ramp 13 and passes through the rest area, the worker grasps the horizontal rod 37 of the operating piece 11 with one hand and pulls it down, thereby releasing the locking piece as shown by the chain line in FIG. 10 from the locking hole 7, and in this state, press the opening/closing plate 4 in the opening direction with one hand and rotate it slightly, so that the entire opening/closing plate is attached to the locking piece as shown in FIG. 10 from the top of the slope 12, and then rotate the opening/closing plate 4 to the fully open position with one hand, then pass upward through the opening 1 in the support frame 2, and then Rotate the opening/closing plate 4 by hand to the fully closed position.

In addition, when a worker getting off the ramp 13 passes through the rest area, the worker steps on the horizontal lever 37 of the operating piece 11 with one foot and lowers it, as shown by the chain line in FIG. By removing the locking piece 10 from the locking hole 7 and, in this state, rotating the one leg to slightly rotate the opening/closing plate 4 in the opening direction, the entire opening/closing plate is opened as shown in FIG. from the top of the slope 12 of the locking piece 10, and then the worker uses one foot or one hand to remove the opening/closing plate 4.
After rotating the opening/closing plate 4 to the fully open position, the operator passes downward through the opening 1 in the support frame 1, and then uses one hand to rotate the opening/closing plate 4 to the fully closed position.

In the case of the above embodiment, when the elastic support member 9 is bent downward to a predetermined position, the horizontal rod 37 of the operation piece 11 hits the upper surface of the main frame rod 8, so that the elastic support member 9 is not excessively bent and deformed. This can prevent permanent deformation (plastic deformation) from occurring.

When this invention is put into practice, the base end of the arm may be pivoted to the main frame rod 5 by a horizontal shaft, and a locking piece and an operating piece may be fixed to the arm, and the arm and the main frame rod may be connected via a spring for lifting and rotating the arm. Also, a mounting seat plate may be fixed to the base end of the support frame 2, and the mounting seat plate may be fixed to the shaft lining material by a hook bolt.

[Effect of idea]

Since this invention is configured as described above, it produces the effects described below.

A worker who goes up and down the ramp 13 uses one hand or one foot to push down the elastic support member pressing operation piece 11 to remove the locking piece 10 from the locking hole 7, and in this state, the operator After slightly rotating the opening/closing plate 4 in the opening direction and removing the entire rest opening/closing plate 4 from the top of the locking piece pressing slope 12 of the locking piece 10 in the opening direction, the rest opening/closing plate 4 is moved to the fully open position. Therefore, after the worker performs the opening operation of the break opening/closing plate 4, the worker does not have to manually hold the break opening/closing plate 4 in the open position. Since the operator can ascend and descend through the opening 1 in the support frame 2, it is easy for the worker who is ascending and descending the ramp 13 to pass through the resting device, and the worker can easily pass through the resting device. Furthermore, by simply rotating the rest opening/closing plate 4 from the fully open position to the fully closed position, the locking member supported by the elastic support member 9 attached to the main frame rod 8 can be opened. Stopper 1
0 can be automatically inserted into the locking hole 7 of the rest opening/closing plate 4, and the rest opening/closing plate 4 can be automatically locked in the fully closed position.

[Brief explanation of drawings]

The drawings show one embodiment of this invention, in which Fig. 1 is a partially longitudinal side view showing the installed state of the resting device of this invention, and Fig. 2 is an enlarged sectional view taken along line A-A in Fig. 1. , Fig. 3 is a front view showing the installed state of the rest device of this invention, Fig. 4 is a partially cross-sectional plan view showing the state in which the opening/closing plate of the rest equipment of this invention is fully opened, and Fig. 5 is the rest of this invention. A plan view showing the device removed from the shaft lining material, FIG. 6 is a left side view, FIG. 7 is an enlarged sectional view taken along line B-B in FIG. 6, and FIG. 9 is an enlarged sectional view taken along the line C-C of FIG. 8, FIG. 10 is a partially cutaway longitudinal sectional view showing the locking device for the fully closed position of the opening/closing plate, and FIG. Figure 11 is an enlarged sectional view taken along the line D-D in Figure 10;
The figure is a vertical side view showing the state where the opening/closing plate is removed from the locking piece, FIG. 13 is an enlarged sectional view taken along the line E-E in FIG. 4,
FIG. 14 is a sectional view taken along the line FF in FIG. 3, and FIG. 15 is a side view showing how the safety enclosure frame with locking fittings is attached to the ramp. In the figure, 1 is an opening for the passage of people going up and down, 2 is a support frame, 3 is a shaft lining material, 4 is a break opening/closing plate, 5 is a main frame rod, 6 is a vertical shaft, 7 is a locking hole, and 8 is a locking hole. Main frame rod, 9 is an elastic support member, 10 is a locking piece, 11 is an operation piece for pressing down the elastic support member, 12 is a slope for pressing down the locking piece, 13 is a ramp for lifting, 14 is a vertical frame rod, 1
5 is a metal pipe step, 18 is a mounting bracket, 19 is a hook bolt, 20 is a bolt, 21 is an enclosure frame body, 22
is a locking pin, 23 is a grooved portion, 24 is a locking metal fitting,
25 is a safety enclosure with a locking metal fitting, 26 is a connecting frame member, 27 is an inclined restraint frame member, 28 is a frame body, 29 is a wire mesh, 30 is a vertical cylinder, 32 is a cotter pin, 33 is an opening stopper, 34 is a stopper for stopping occlusion;
36 is a vertical rod, and 37 is a horizontal rod.

Claims (1)

[Scope of utility model registration request] A base end portion of a support frame 2 having an opening 1 for passage of a person going up and down is directly or indirectly fixed to a shaft lining material 3, and a rest opening/closing plate 4 placed on the horizontal upper surface of the support frame 2. One end of one side of is pivotally attached to the middle part of one main frame rod 5 of the support frame 2 by a vertical shaft 6, and a locking hole 7 is provided at the other end of the one side of the opening/closing plate 4. An elastic support member 9 that exerts elastic resistance against pressing force is attached to the intermediate portion of the other main frame rod 8 in the support frame body 2, and the locking piece of the main frame rod 8 is attached to the elastic support member 9. A locking piece 10 inserted into the entrance/exit hole 35 and the locking hole 7, and an operation piece 11 for pressing down the elastic support member.
A slope 12 for pushing down the locking piece that engages with the opening/closing plate 4 is provided on the top of the locking piece 10, and a lifting ramp 13 is attached to each of the main frame rods 5, 8.
A break device for the elevator ramp located in the shaft.