CN215208330U - Movable lifting safety ladder - Google Patents
Movable lifting safety ladder Download PDFInfo
- Publication number
- CN215208330U CN215208330U CN202120676474.3U CN202120676474U CN215208330U CN 215208330 U CN215208330 U CN 215208330U CN 202120676474 U CN202120676474 U CN 202120676474U CN 215208330 U CN215208330 U CN 215208330U
- Authority
- CN
- China
- Prior art keywords
- ladder
- gear
- vehicle body
- wheel
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model relates to a portable lift emergency ladder, include: the travelling mechanism comprises a vehicle body, two sides of the middle part of the vehicle body are respectively provided with a directional wheel, the front end of the vehicle body is provided with a universal wheel, and the universal wheel is provided with a traction braking mechanism; the lifting ladder mechanism comprises a fixed ladder which is obliquely arranged, the fixed ladder is fixedly connected to the vehicle body, a movable ladder is arranged on one side of the fixed ladder in a sliding mode, an operating platform is fixedly arranged at the top of the movable ladder, a driving mechanism used for driving the movable ladder to lift is arranged on the vehicle body, the driving mechanism comprises a driving device, and the driving device is connected with the movable ladder through a lifting transmission mechanism. The utility model has small occupied space, larger lifting range and higher use flexibility, and is suitable for various high-altitude operation scenes; the operation platform is used as the operation surface, so that the operation safety is improved; the supporting wheels which can stretch out and draw back along with the lifting of the movable ladder ensure the stability of the whole structure and further improve the safety of the operation.
Description
Technical Field
The utility model relates to an emergency ladder technical field is used in the construction, especially relates to a portable lift emergency ladder.
Background
In the building construction, a large amount of high-altitude operation is involved, and the existing climbing modes include two modes, one mode is climbing by means of a simple ladder stand manufactured on site and working at high altitude, the quality of the ladder stand is difficult to control, no protective measures are taken at the high altitude, and great potential safety hazards exist; the other mode is that large-scale lifting equipment such as an aerial ladder vehicle is used, although the safety of operators can be guaranteed by the operation platform in the mode, the workload of high-altitude operation is high, a large amount of mechanical equipment is occupied by the whole mode, the equipment cost is high, and in addition, the large-scale lifting equipment is difficult to enter in places with narrow construction space and is very inconvenient.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and provides a movable lifting safety ladder.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a mobile lift ladder comprising:
the travelling mechanism comprises a vehicle body, two sides of the middle part of the vehicle body are respectively provided with a directional wheel, the front end of the vehicle body is provided with a universal wheel, and the universal wheel is provided with a traction braking mechanism;
the lifting ladder mechanism comprises a fixed ladder which is obliquely arranged, the fixed ladder is fixedly connected to the vehicle body, a movable ladder is arranged on one side of the fixed ladder in a sliding mode, an operating platform is fixedly arranged at the top of the movable ladder, a driving mechanism used for driving the movable ladder to lift is arranged on the vehicle body, the driving mechanism comprises a driving device, and the driving device is connected with the movable ladder through a lifting transmission mechanism.
Furthermore, the traction braking mechanism comprises a U-shaped frame, two ends of the U-shaped frame are rotatably connected with the supporting structure of the universal wheel, a traction rod is fixedly arranged at the end part of the U-shaped frame, and a braking plate is arranged at the bottom of the traction rod or the U-shaped frame in a matching manner with the universal wheel.
Furthermore, the lifting transmission mechanism comprises a winding drum, the winding drum is rotatably connected with a fixed structure on the vehicle body, the winding drum is connected with a steel wire rope, one end of the steel wire rope is connected with the winding drum, and the other end of the steel wire rope is connected with the movable ladder after being guided by a pulley.
Furthermore, the driving device comprises a hand wheel, the hand wheel is fixedly connected with an input shaft of the lifting transmission mechanism, a connecting rod for locking is detachably connected to one side of the hand wheel, and the connecting rod is connected with a fixing structure on the vehicle body.
Furthermore, the lifting transmission mechanism comprises a first gear, the first gear is rotatably connected with a fixed structure on the vehicle body, a first rack is arranged on the movable ladder in a matching manner with the first gear, and the first gear is meshed with the first rack.
Furthermore, the driving device is a motor, an output shaft of the motor is connected with an input shaft of the lifting transmission mechanism, and the input shaft of the lifting transmission mechanism is provided with a ratchet wheel locking device.
Furthermore, the rear end of the vehicle body is provided with a supporting wheel mechanism, the supporting wheel mechanism comprises a supporting arm, the supporting arm and the vehicle body are connected in a sliding mode in the front-back direction and can be fixed at a plurality of positions, and one end of the supporting arm is provided with a supporting wheel.
Furthermore, a second rack is fixedly arranged on the supporting arm, a second gear is meshed with the second rack and is positioned on the vehicle body, and the second gear is connected with an input shaft of the lifting transmission mechanism through a chain transmission mechanism.
The utility model has the advantages that: the utility model has small occupied space, larger lifting range and higher use flexibility, and is suitable for various high-altitude operation scenes; the operation platform is used as the operation surface, so that the operation safety is improved; the supporting wheels which can stretch out and draw back along with the lifting of the movable ladder ensure the stability of the whole structure and further improve the safety of the operation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic structural diagram of another embodiment of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
in the figure: 1-a traveling mechanism; 11-a vehicle body; 12-an orientation wheel; 13-a universal wheel; 14-a traction braking mechanism; 141-U-shaped frame; 142-a drawbar; 143-a brake plate; 15-a supporting wheel mechanism; 151-a support arm; 152-a support wheel; 153-rack two; 154-gear two; 155-chain drive; 2-elevator mechanism; 21-fixed ladder; 22-a mobile ladder; 23-a drive device; 231-a hand wheel; 232-connecting rod; 24-a lifting transmission mechanism; 241-winding the roll; 242-wire rope; 243-pulley; 244-gear one; 245, a first rack; 25-an operating platform;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown, a mobile lift ladder, comprising:
the walking mechanism 1 comprises a vehicle body 11, two sides of the middle part of the vehicle body 11 are respectively provided with a directional wheel 12, the front end of the vehicle body 11 is provided with a universal wheel 13, and the universal wheel 13 is provided with a traction braking mechanism 14;
Further, the traction braking mechanism 14 includes a U-shaped frame 141, both ends of the U-shaped frame 141 are rotatably connected with the supporting structure of the universal wheel 13, a traction rod 142 is fixedly arranged at the end of the U-shaped frame 141, and a braking plate 143 is arranged at the bottom of the traction rod 142 or the U-shaped frame 141 and the universal wheel 13 in a matching manner.
Further, in an embodiment, the lifting transmission mechanism 24 includes a winding drum 241, the winding drum 241 is rotatably connected to a fixed structure on the vehicle body 11, the winding drum 241 is connected to a wire rope 242, one end of the wire rope 242 is connected to the winding drum 241, and the other end is connected to the escalator 22 after being guided by a pulley 243;
the driving device 23 comprises a hand wheel 231, the hand wheel 231 is fixedly connected with an input shaft of the lifting transmission mechanism 24, one side of the hand wheel 231 is detachably connected with a connecting rod 232 for locking, and the connecting rod 232 is connected with a fixed structure on the vehicle body 11; an operator can rotate the hand wheel 231 to realize the winding and unwinding of the steel wire rope 242, so that the movable ladder 22 can be lifted, and when the movable ladder needs to be fixed, the connecting rod 232 is connected with the hand wheel 231 through a bolt or a clamp, so that the hand wheel 231 can be fixed.
In another embodiment, the lifting transmission mechanism 24 comprises a first gear 244, the first gear 244 is rotatably connected with a fixed structure on the vehicle body 11, a first rack 245 is arranged on the movable ladder 22 and matched with the first gear 244, and the first gear 244 is meshed with the first rack 245;
the driving device 23 is a motor, an output shaft of the motor is connected with an input shaft of the lifting transmission mechanism 24, and the input shaft of the lifting transmission mechanism 24 is provided with a ratchet wheel locking device; the motor drives the movable ladder 22 to lift through the first gear 244 and the first rack 245, and the first gear 244 is locked by the ratchet locking device after the movable ladder is lifted in place, so that the weight of the movable ladder 22 cannot transfer torque to the motor.
Further, a supporting wheel mechanism 15 is arranged at the rear end of the vehicle body 11, the supporting wheel mechanism 15 comprises a supporting arm 151, the supporting arm 151 is connected with the vehicle body 11 in a sliding manner along the front-back direction and can be fixed at a plurality of positions, and a supporting wheel 152 is arranged at one end of the supporting arm 151; when the escalator 22 rises, the center of gravity of the utility model shifts to the rear, and in order to ensure higher stability, the supporting wheel 152 needs to be pulled out and fixed backward, thereby providing a supporting point that leans on the back more.
Further, a second rack 153 is fixedly arranged on the support arm 151, the second rack 153 is engaged with a second gear 154, the second gear 154 is positioned on the vehicle body 11, and the second gear 154 is connected with an input shaft of the lifting transmission mechanism 24 through a chain transmission mechanism 155; in this manner, the position of the support wheel 152 does not need to be individually adjusted, increasing the convenience of use.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (8)
1. A mobile lift ladder, comprising:
the walking mechanism (1), the walking mechanism (1) includes the car body (11), both sides of the middle part of the car body (11) have a directional wheel (12) respectively, there is a universal wheel (13) in the front end of the car body (11), there are traction brake mechanisms (14) on the universal wheel (13);
elevator mechanism (2), elevator mechanism (2) are including fixed ladder (21) of putting to one side, fixed ladder (21) fixed connection is on automobile body (11), fixed ladder (21) one side slides and is equipped with companion ladder (22), companion ladder (22) top has set firmly operation platform (25), be equipped with the actuating mechanism who is used for driving companion ladder (22) to go up and down on automobile body (11), actuating mechanism includes drive arrangement (23), actuating mechanism (23) link to each other with companion ladder (22) through lifting transmission mechanism (24).
2. The mobile lifting safety ladder according to claim 1, characterized in that the traction braking mechanism (14) comprises a U-shaped frame (141), both ends of the U-shaped frame (141) are rotatably connected with the supporting structure of the universal wheels (13), a traction rod (142) is fixedly arranged at the end of the U-shaped frame (141), and a braking plate (143) is arranged at the bottom of the traction rod (142) or the U-shaped frame (141) and the universal wheels (13) in a matching manner.
3. The mobile lifting safety ladder of claim 1, wherein the lifting transmission mechanism (24) comprises a winding drum (241), the winding drum (241) is rotatably connected with a fixed structure on the vehicle body (11), the winding drum (241) is connected with a steel wire rope (242), one end of the steel wire rope (242) is connected with the winding drum (241), and the other end of the steel wire rope (242) is connected with the movable ladder (22) after being guided by a pulley (243).
4. A mobile lifting safety ladder according to claim 3, characterized in that the drive means (23) comprises a hand wheel (231), the hand wheel (231) is fixedly connected to the input shaft of the lifting transmission mechanism (24), a connecting rod (232) for locking is detachably connected to one side of the hand wheel (231), and the connecting rod (232) is connected to a fixed structure on the car body (11).
5. The mobile lift ladder of claim 1, wherein the lift drive mechanism (24) includes a first gear (244), the first gear (244) is rotatably connected to a fixed structure on the body (11), a first rack (245) is provided on the ramp (22) in cooperation with the first gear (244), and the first gear (244) is engaged with the first rack (245).
6. A mobile lift ladder according to claim 5, characterised in that the drive means (23) is a motor, the output shaft of which is connected to the input shaft of the lift drive (24), the input shaft of the lift drive (24) being provided with a ratchet lock.
7. A mobile lift ladder according to any of claims 1 to 6, wherein the rear end of the car body (11) is provided with a support wheel mechanism (15), the support wheel mechanism (15) comprises a support arm (151), the support arm (151) is slidably connected with the car body (11) in the fore-and-aft direction and can be fixed at a plurality of positions, and one end of the support arm (151) is provided with a support wheel (152).
8. The mobile lifting safety ladder of claim 7, wherein a second rack (153) is fixedly arranged on the supporting arm (151), a second gear (154) is meshed with the second rack (153), the second gear (154) is positioned on the vehicle body (11), and the second gear (154) is connected with an input shaft of the lifting transmission mechanism (24) through a chain transmission mechanism (155).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120676474.3U CN215208330U (en) | 2021-04-02 | 2021-04-02 | Movable lifting safety ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120676474.3U CN215208330U (en) | 2021-04-02 | 2021-04-02 | Movable lifting safety ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215208330U true CN215208330U (en) | 2021-12-17 |
Family
ID=79445250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120676474.3U Active CN215208330U (en) | 2021-04-02 | 2021-04-02 | Movable lifting safety ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215208330U (en) |
-
2021
- 2021-04-02 CN CN202120676474.3U patent/CN215208330U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016065915A1 (en) | Lifting device for aerial operations | |
| CN202214152U (en) | Trolley walking traction mechanism of bridge crane | |
| US20140117296A1 (en) | System and method for placing a tarpaulin over a load | |
| CN105127642B (en) | A kind of crane small cart frame welding tipping arrangement | |
| CN111942499A (en) | Automatic spacing tight building board floor truck that presss from both sides during removal and hoist and mount | |
| CN206340907U (en) | Dynamic braking integration non-fragment orbit cable drum carriage | |
| CN215208330U (en) | Movable lifting safety ladder | |
| CN105016174A (en) | Rail-type electric lift truck used on staircase | |
| CN102154982A (en) | Running mechanism for arched bridge inspection car | |
| CN102381613B (en) | Machine-roomless elevator | |
| CN108819966B (en) | Straddle type monorail vehicle escape device | |
| JP4678628B2 (en) | Towing mechanism of hill carriage | |
| CN204778187U (en) | A rail mounted electric lift car for on stair | |
| CN213707534U (en) | Redundant system of european style calabash dolly | |
| CN113800368A (en) | Packing box traction device for fire-fighting large-tonnage elevator | |
| CN113291348A (en) | Electric car puller | |
| JP4526009B2 (en) | Traction pulling structure of rope pulling type transportation equipment | |
| CN113911952B (en) | Lifting device for mobile platform vehicle | |
| CN218258110U (en) | Four-axle vehicle and parking braking device thereof | |
| CN221233752U (en) | Empty rail ground rescue system | |
| CN220317146U (en) | Hoisting device of prefabricated inverted arch assembly trolley | |
| CN218174413U (en) | Wall pre-buried ironware installation construction structures | |
| CN219341368U (en) | Car and lifting equipment | |
| JP4198205B2 (en) | Emergency stop method for lift cars in vehicles | |
| CN219058199U (en) | Movable cable laying traction rope winding and unwinding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |