CN221370080U - Roof falling prevention structure of rack lifter for construction - Google Patents
Roof falling prevention structure of rack lifter for construction Download PDFInfo
- Publication number
- CN221370080U CN221370080U CN202323496252.1U CN202323496252U CN221370080U CN 221370080 U CN221370080 U CN 221370080U CN 202323496252 U CN202323496252 U CN 202323496252U CN 221370080 U CN221370080 U CN 221370080U
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- CN
- China
- Prior art keywords
- fixed box
- rack
- travel switch
- rocking arm
- rocker arm
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 230000002265 prevention Effects 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract 2
- 230000005484 gravity Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Types And Forms Of Lifts (AREA)
Abstract
The utility model relates to the technical field of elevators, in particular to a roof-falling prevention structure of a rack elevator for construction. One side of the fixed box, which is opposite to the rack, is of an open structure, the rocker arm vertical section is positioned between the fixed box and the rack, the rocker arm horizontal section stretches into the fixed box, the middle part of the rocker arm horizontal section is hinged with the side wall of the fixed box through a pin shaft, the top of the rocker arm vertical section is provided with a roller, the roller is in rolling connection with the back side of the rack, the inner side wall of the fixed box is obliquely provided with a travel switch, and in the working process of the elevator, a contact of the travel switch is propped against the lower part of the end part of the rocker arm horizontal section. The vertical section of rocking arm is emptyd outside because of gravity, drives rocking arm horizontal segment perk, makes rocking arm horizontal segment break away from travel switch's contact, and travel switch triggers control lift stop motion, and fixed box can prevent dust and the rainwater of job site to fall on travel switch, prevents corrosion and rust, and this simple structure is effective, and simple to operate just need not to climb high operation and has no danger, and is sensitive through the gravity reaction.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to a roof-falling prevention structure of a rack elevator for construction.
Background
The construction elevator adopts a gear, rack or steel wire rope lifting mode to enable the lifting cage to vertically or obliquely move, is used for conveying constructors, tools, equipment and materials, is stable, safe and reliable compared with other lifting mechanisms, does not need to be additionally provided with a machine room or a well, has the advantages of convenience in disassembly and assembly, strong carrying flexibility and the like, is widely applied, particularly reduces the labor intensity of constructors, accelerates the engineering progress, improves the working efficiency, plays an obvious role, is widely used in construction operation, and can be provided with an anti-roof-falling device on the elevator so as to prevent the elevator from falling off the rail and causing safety accidents.
The prior art CN201921038203.4 discloses a roof-falling prevention device of a construction elevator, which comprises a fixed plate, a buffer plate and an elevator carriage, wherein mounting plates are arranged on two sides of one side wall of the fixed plate, mounting holes are formed in the mounting plates, connecting rods are arranged at four corners of the lower end of the fixed plate, a baffle is arranged at the lower end of each connecting rod, a connecting inserted rod is arranged at the lower end of each baffle, a spring is arranged on each connecting inserted rod, and connecting sleeves are arranged at the lower ends of the springs; although the prior art solves the problem of roof falling of the lifter, the whole device is larger, more materials are consumed, the installation time is long, the danger coefficient of climbing to the high altitude for operation is large during installation, and no roof falling prevention structure for manufacturing the rack lifter exists at present.
Disclosure of utility model
The utility model aims to solve the problems, thereby providing the roof-falling prevention structure of the rack lifter for construction, which is convenient to install and has a simple structure.
The utility model solves the problems, and adopts the following technical scheme:
The utility model provides a rack lift roof structure is prevented to construction, rocking arm including L type, the lift top just is located the rack dorsal part and is provided with fixed box, fixed box is open structure with the relative one side of rack, the vertical section of rocking arm is located between fixed box and the rack, the rocking arm horizontal segment stretches into in the fixed box and the middle part is articulated through the round pin axle with fixed box lateral wall, the vertical section top of rocking arm is provided with the gyro wheel, the gyro wheel is connected with rack dorsal part roll, the slope is provided with travel switch on the fixed box inside wall, in the lift course of working, travel switch's contact supports in rocking arm horizontal segment tip below.
Compared with the prior art, the utility model adopting the technical scheme has the outstanding characteristics that:
When the lifter works, the vertical section of the rocker arm is positioned between the fixed box and the rack, the roller at the top rolls along the back side of the rack, when the top surface of the lifter ascends to the top end, the fulcrum at one side of the roller disappears, the vertical section of the rocker arm is inclined outwards due to gravity to drive the horizontal section of the rocker arm to tilt, so that the horizontal section of the rocker arm is separated from the contact of the travel switch, the travel switch triggers and controls the lifter to stop moving, the fixed box can prevent dust and rainwater at a construction site from falling on the travel switch, corrosion and rust are prevented, the structure is simple and effective, the installation is convenient, no danger is caused by climbing operation, and the device is sensitive through gravity reaction.
Preferably, the utility model further adopts the technical scheme that:
a movable groove opposite to the vertical section of the rocker arm is formed in one side, close to the rack, of the top surface of the fixed box.
One side of the fixed box, which is away from the rack, is of an open structure.
Drawings
FIG. 1 is a schematic diagram of a front view structure of an embodiment of the present utility model;
FIG. 2 is a schematic side view of an embodiment of the present utility model;
FIG. 3 is a schematic view of a cross-sectional back view of an embodiment of the present utility model;
FIG. 4 is a schematic view of a structure of an embodiment of the present utility model used in cooperation with a rack;
marked in the figure as: rocker arm 1, fixed box 2, gyro wheel 3, travel switch 4, contact 41.
Description of the embodiments
The utility model is further described below in connection with the following examples which are provided for the purpose of better understanding of the present utility model and are, therefore, not to be construed as limiting the scope of the utility model.
The utility model provides a rack lift roof structure is prevented to construction, including the rocking arm 1 of L type, the lift top just is located rack dorsal part and is provided with fixed box 2, the wiring mouth has been seted up on the fixed box 2, one side that fixed box 2 is relative with the rack is open structure, rocking arm 1 vertical section is located between fixed box 2 and the rack, rocking arm 1 horizontal section stretches into in the fixed box 2 and middle part and fixed box 2 lateral wall are articulated through the round pin axle, rocking arm 1 vertical section top is provided with gyro wheel 3, gyro wheel 3 and rack dorsal part roll are connected, the slope is provided with travel switch 4 on the inside wall of fixed box 2, rocking arm 1 horizontal section sets up on one of them lateral wall of fixed box 2, travel switch 4 is fixed mutually with fixed box 2 another one lateral wall, travel switch 4 adopts the roll type, during the lift operation, travel switch 4's contact 41 supports in rocking arm 1 horizontal section tip below, during operation travel switch 4's contact 41 is pressed to be close the horizontality, when gyro wheel 3 breaks away from the rack, rocking arm 1 vertical section is tilted outwards because of gravity, drive rocking arm 1 horizontal section is lifted, make rocking arm 1 horizontal section break away from switch 4's contact 41, the motion control machine is stopped.
The movable groove opposite to the vertical section of the rocker arm 1 is formed in the top surface of the fixed box 2 and close to one side of the rack, and a movable space is reserved for the vertical section of the rocker arm 1, so that the rigid contact with the fixed box 2 is prevented from being damaged.
One side of the fixed box 2, which is away from the rack, is of an open structure, and resetting of the structure is carried out through the opening of the side, so that next protection work is facilitated.
When the lifter works, the vertical section of the rocker arm is positioned between the fixed box and the rack, the roller at the top rolls along the back side of the rack, when the top surface of the lifter ascends to the top end, the fulcrum at one side of the roller disappears, the vertical section of the rocker arm is inclined outwards due to gravity to drive the horizontal section of the rocker arm to tilt, so that the horizontal section of the rocker arm is separated from the contact of the travel switch, the travel switch triggers and controls the lifter to stop moving, the fixed box can prevent dust and rainwater at a construction site from falling on the travel switch, corrosion and rust are prevented, the structure is simple and effective, the installation is convenient, no danger is caused by climbing operation, and the device is sensitive through gravity reaction.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the scope of the claims, but rather to cover all equivalent modifications within the scope of the present utility model as defined by the appended claims.
Claims (3)
1. A rack lift roof fall prevention structure for construction is characterized in that: including the rocking arm of L type, the lift top just is located the rack dorsal part and is provided with fixed box, and fixed box is the open structure with the relative one side of rack, and the vertical section of rocking arm is located between fixed box and the rack, and the rocking arm horizontal segment stretches into in the fixed box and the middle part is articulated through the round pin axle with fixed box lateral wall, and the vertical section top of rocking arm is provided with the gyro wheel, and the gyro wheel rolls with the rack dorsal part and is connected, and the slope is provided with travel switch on the fixed box inside wall, and in the lift working process, travel switch's contact supports in rocking arm horizontal segment tip below.
2. The construction rack elevator roof fall prevention structure according to claim 1, wherein: a movable groove opposite to the vertical section of the rocker arm is formed in one side, close to the rack, of the top surface of the fixed box.
3. The construction rack elevator roof fall prevention structure according to claim 1, wherein: one side of the fixed box, which is away from the rack, is of an open structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323496252.1U CN221370080U (en) | 2023-12-21 | 2023-12-21 | Roof falling prevention structure of rack lifter for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323496252.1U CN221370080U (en) | 2023-12-21 | 2023-12-21 | Roof falling prevention structure of rack lifter for construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221370080U true CN221370080U (en) | 2024-07-19 |
Family
ID=91894467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323496252.1U Active CN221370080U (en) | 2023-12-21 | 2023-12-21 | Roof falling prevention structure of rack lifter for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221370080U (en) |
-
2023
- 2023-12-21 CN CN202323496252.1U patent/CN221370080U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |