CN215629588U - Height-adjustable height limiting rod with anti-falling function - Google Patents
Height-adjustable height limiting rod with anti-falling function Download PDFInfo
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- CN215629588U CN215629588U CN202121457460.9U CN202121457460U CN215629588U CN 215629588 U CN215629588 U CN 215629588U CN 202121457460 U CN202121457460 U CN 202121457460U CN 215629588 U CN215629588 U CN 215629588U
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- lifting rod
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 238000005303 weighing Methods 0.000 claims abstract description 14
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
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Abstract
The height-adjustable height-limiting rod with the anti-falling function comprises upright columns, bearing cross beams and a lifting rod, wherein the upright columns are arranged in a bilateral symmetry mode, the two ends of the bearing cross beams are erected at the top ends of the upright columns, the lifting rod is arranged below the bearing cross beams, and a driving system for driving the lifting rod to lift through a steel cable is arranged on the bearing cross beams. The opposite side of the upright post is provided with a guide strip, one side of the guide strip, which faces the lifting rod, is provided with anti-falling teeth, two ends of the lifting rod are provided with guide grooves matched with the guide strip, and two ends of the lifting rod are respectively provided with an anti-falling device. Prevent weighing down round pin and spring and all with lifter parallel arrangement, prevent weighing down round pin and lifter sliding connection, the spring both ends are fixed in the terminal of lifter and the medial extremity portion of preventing weighing down the round pin respectively, and first pulley is established in the one side of preventing weighing down the round pin and being close to the lifter center, and the steel cable passes through first pulley and prevents weighing down round pin medial extremity fixed connection, and when the pulling force was not exerted to the steel cable, prevent weighing down the round pin and can follow the terminal and imbed of axial roll-off lifter and prevent weighing down between the tooth. By using the utility model, the problem that the height limiting rod falls due to the fracture of the steel cable can be avoided.
Description
Technical Field
The utility model belongs to the field of road height limiting equipment, and particularly relates to a height-adjustable height limiting rod with an anti-falling function.
Background
The height-adjustable height-limiting rod used at present mainly adopts hydraulic or pneumatic transmission, worm and gear transmission or gear pair transmission and other modes to realize the up-and-down movement of the height-limiting rod, and the modes not only make the whole structure complex and heavy, but also have slow adjusting speed.
Although the scheme that adopts the motor to go up and down through steel cable direct drive limit for height pole simple structure lightly and can the height of quick adjustment limit for height pole, there is the risk that steel cable fracture limit for height pole falls.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a height-adjustable height-limiting rod with an anti-falling function, which can avoid the problem that the height-limiting rod falls due to the breakage of a steel cable.
The technical scheme of the utility model is as follows: the utility model provides a limit for height pole with adjustable height with prevent weighing down function, erects including stand, both ends that bilateral symmetry set up the bearing beam on stand top, establish the lifter of bearing beam below is equipped with the actuating system who drives the lifter through the steel cable and go up and down on the bearing beam.
The vertical lifting device is characterized in that one side, opposite to the stand column, of the stand column is provided with a guide strip used for guiding the lifting rod to vertically lift, one side, facing the lifting rod, of the guide strip is evenly provided with transverse anti-falling teeth, two ends of the lifting rod are provided with vertical guide grooves matched with the guide strip, and two ends of the lifting rod are respectively provided with anti-falling devices.
The anti-falling device comprises an anti-falling pin, a spring and a first pulley, wherein the anti-falling pin, the spring and the first pulley are arranged in a cavity at the tail end of the lifting rod, the anti-falling pin and the spring are all arranged in parallel with the lifting rod, the anti-falling pin is connected with the lifting rod in a sliding mode, the two ends of the spring are respectively fixed at the opening at the tail end of the lifting rod and the end part, close to the inner side, of the anti-falling pin, the first pulley is arranged on one side, close to the center of the lifting rod, of the anti-falling pin, a steel cable is fixedly connected with the end part, inside the anti-falling pin, of the steel cable, and the anti-falling pin can slide out of the tail end of the lifting rod along the axial direction and is embedded into the anti-falling teeth when tension is not applied to the steel cable.
Furthermore, the anti-falling pin is connected with the lifting rod in a sliding mode through the linear guide rail, the slide rail of the linear guide rail is fixedly connected with the lifting rod, the slide block of the linear guide rail is fixedly connected with the anti-falling pin, and stop blocks for preventing the slide block from falling off and preventing the spring from excessively deforming are arranged at two ends of the slide rail.
Furthermore, the driving system comprises a motor with a roller and a second pulley arranged on the bearing beam, the second pulley is positioned right above the first pulley, and the steel cable passes through the first pulley and then passes through the second pulley to be connected with the roller.
Furthermore, the upper tooth surface of the anti-falling tooth is a horizontal surface.
Furthermore, the tail end of the lower part of the guide strip is provided with a limiting block.
Furthermore, a display board with a built-in laser range finder is further arranged on the bearing cross beam, and a reflector matched with the laser range finder is arranged on the lifting rod.
After the technical scheme is adopted, the utility model has the following beneficial effects:
1. the lifting rod is directly driven by the motor through the steel cable to realize lifting, the structure is simple and light, and the height adjusting speed is high;
2. the two ends of the lifting rod are provided with anti-falling devices which are matched with anti-falling teeth arranged on the upright posts, and once the steel cable is broken, the height limiting rod can be immediately clamped and fixed at the current height;
3. the anti-falling pin in the anti-falling device is kept inside the lifting rod through the pulling force of the steel cable, once the breaking pulling force of the steel cable disappears, the anti-falling pin can be popped out and clamped between the anti-falling teeth under the action of the spring to prevent the lifting rod from falling, and the anti-falling device is simple and reliable in structure and sensitive in response.
Drawings
Fig. 1 is a schematic view of the overall structure of the utility model in normal operation.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
Fig. 3 is a schematic view of the entire structure of the utility model when the steel cable is broken.
Fig. 4 is an enlarged schematic view of the structure at B in fig. 3.
The labels in the figure are: 1. the device comprises an upright post, 2, a bearing beam, 3, a lifting rod, 4, a guide strip, 5, anti-falling teeth, 6, a steel cable, 7, a guide groove, 8, an anti-falling pin, 9, a spring, 10, a first pulley, 11, a sliding rail, 12, a sliding block, 13, a stop block, 14, a motor, 15, a second pulley, 16, a limiting block, 17, a laser range finder, 18, a display board, 19 and a reflector.
Detailed Description
The utility model is described in further detail below with reference to the figures and the embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a limit for height pole with adjustable height with prevent weighing down function, erects including stand 1, the both ends that bilateral symmetry set up bear crossbeam 2, establish on 1 top of stand bear crossbeam 2 below lifter 3, be equipped with the actuating system who drives lifter 3 through steel cable 6 and go up and down on bearing crossbeam 2.
The utility model discloses a safety protection device for elevator, including stand 1, guide bar 4, stopper 16, 3 both ends of lifter are equipped with the vertical guide way 7 of guide bar 4 complex, and 3 both ends of lifter are equipped with anti-falling device respectively, and the one side that stand 1 is relative is equipped with the guide bar 4 that is used for guiding 3 vertical lifts of lifter, and guide bar 4 evenly is equipped with the horizontal tooth 5 of preventing weighing down of flank of tooth for the horizontal plane towards lifter 3's one side, and 4 lower part ends of guide bar are equipped with stopper 16, lifter 3 both ends.
The anti-falling device comprises an anti-falling pin 8, a spring 9 and a first pulley 10 which are arranged in a cavity at the tail end of the lifting rod 3, the anti-falling pin 8 and the spring 9 are both arranged in parallel with the lifting rod 3, the anti-falling pin 8 is connected with the lifting rod 3 through a linear guide rail in a sliding way, a slide rail 11 of the linear guide rail is fixedly connected with the lifting rod 3, a slide block 12 of the linear guide rail is fixedly connected with the anti-falling pin 8, two ends of the slide rail 11 are provided with stop blocks 13 for preventing the slide block 12 from falling off and preventing the spring 9 from excessively deforming, two ends of the spring 9 are respectively fixed at an opening at the tail end of the lifting rod 3 and the end part of the anti-falling pin 8 close to the inner side, the first pulley 10 is arranged at one side of the anti-falling pin 8 close to the center of the lifting rod 3, the steel cable 6 is fixedly connected with the end part of the inner side of the anti-falling pin 8 through the first pulley 10, and when the steel cable 6 does not exert pulling force, the anti-falling pin 8 can axially slide out of the tail end of the lifting rod 3 and is embedded between the anti-falling teeth 5.
The driving system comprises a motor 14 with a roller and a second pulley 15 arranged on the bearing beam 2, the second pulley 15 is positioned right above the first pulley 10, and the steel cable 6 passes through the first pulley 10 and then passes through the second pulley 15 to be connected with the roller.
The bearing beam 2 is also provided with a display board 18 with a built-in laser range finder 17, and the lifting rod 3 is provided with a reflector 19 matched with the laser range finder 17.
When the lifting device normally operates, one end of a steel cable 6 is connected with a roller of a driving system, and the other end of the steel cable 6 passes through a second pulley 15 and a first pulley 10 to be connected with anti-falling pins 8 in anti-falling devices arranged at two ends of a lifting rod 3, so that the lifting rod 3 is suspended below a bearing cross beam 2 and between guide strips 4. The gravity of the whole lifting rod 3 acts on the steel cable 6 through the first pulley 10, so that the steel cable 6 pulls the anti-falling pin 8 to retract into the lifting rod 3 against the elastic force of the spring 9, and the anti-falling device is in an inactive state.
When the height of the lifting rod 3 is required to be changed, the driving system is started, the motor 14 drives the roller to rotate, the roller winds up or puts down the steel cable 6, and then the lifting rod 3 can ascend and descend. Due to the limited lifting speed of the lifting rod 3, the anti-falling pin 8 is still in a retracted state during the lifting process.
When the steel cable 6 is broken, the tension of the steel cable 6 in the anti-falling device on the broken side to the anti-falling pin 8 disappears suddenly, and the anti-falling pin 8 is rapidly ejected out from the tail end of the lifting rod 3 under the action of the spring 6 and is embedded between the anti-falling teeth 5 on the guide strip 4, so that the lifting rod 3 is prevented from falling.
The bearing beam 2 is also provided with a display board 18 for displaying the current height limit, the display board 18 measures the distance from the lifting rod 3 to a reflector 19 arranged on the lifting rod through the alignment of a built-in laser range finder 17, and the height of the lifting rod 3 is further calculated and displayed on the display board 18 to play a role in prompting.
It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a limit for height pole with adjustable height with prevent weighing down function, erects including stand (1) and both ends that bilateral symmetry set up bearing beam (2) on stand (1) top, its characterized in that: the lifting device is characterized by also comprising a lifting rod (3) arranged below the bearing cross beam (2), wherein a driving system for driving the lifting rod (3) to lift through a steel cable (6) is arranged on the bearing cross beam (2);
a guide strip (4) for guiding the lifting rod (3) to vertically lift is arranged on one side, opposite to the upright post (1), of the guide strip (4), and transverse anti-falling teeth (5) are uniformly arranged on one surface, facing the lifting rod (3), of the guide strip (4);
vertical guide grooves (7) matched with the guide strips (4) are formed in the two ends of the lifting rod (3), and anti-falling devices are arranged at the two ends of the lifting rod (3) respectively;
anti-falling device is including establishing anti-falling pin (8), spring (9) and first pulley (10) in the terminal cavity of lifter (3), prevent that anti-falling pin (8) and spring (9) all with lifter (3) parallel arrangement, prevent falling pin (8) and lifter (3) sliding connection, spring (9) both ends are fixed in the terminal opening part of lifter (3) respectively and prevent falling pin (8) and be close to inboard tip, establish in one side that prevents falling pin (8) is close to lifter (3) center first pulley (10), steel cable (6) through first pulley (10) with prevent falling pin (8) medial extremity fixed connection, when steel cable (6) do not exert pulling force, prevent falling pin (8) and can follow axial roll-off lifter (3) terminal and embedding prevent weighing down between the tooth (5).
2. The height-adjustable height-limiting rod with the anti-falling function as claimed in claim 1, wherein: prevent weighing down round pin (8) and lifter (3) and pass through linear guide sliding connection, linear guide's slide rail (11) and lifter (3) fixed connection, linear guide's slider (12) with prevent weighing down round pin (8) fixed connection, slide rail (11) both ends are equipped with and prevent that slider (12) from droing and prevent dog (13) that spring (9) excessively warp.
3. The height-adjustable height-limiting rod with the anti-falling function as claimed in claim 1, wherein: the driving system comprises a motor (14) with a roller and a second pulley (15) arranged on the bearing beam (2), the second pulley (15) is positioned right above the first pulley (10), and the steel cable (6) passes through the first pulley (10) and then passes through the second pulley (15) to be connected with the roller.
4. The height-adjustable height-limiting rod with the anti-falling function as claimed in claim 1, wherein: the upper tooth surface of the anti-falling tooth (5) is a horizontal surface.
5. The height-adjustable height-limiting rod with the anti-falling function as claimed in claim 1, wherein: and the tail end of the lower part of the guide strip (4) is provided with a limiting block (16).
6. The height-adjustable height-limiting rod with the anti-falling function as claimed in claim 1, wherein: the bearing beam (2) is also provided with a display board (18) with a built-in laser range finder (17), and the lifting rod (3) is provided with a reflector (19) matched with the laser range finder (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121457460.9U CN215629588U (en) | 2021-06-29 | 2021-06-29 | Height-adjustable height limiting rod with anti-falling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121457460.9U CN215629588U (en) | 2021-06-29 | 2021-06-29 | Height-adjustable height limiting rod with anti-falling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629588U true CN215629588U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121457460.9U Expired - Fee Related CN215629588U (en) | 2021-06-29 | 2021-06-29 | Height-adjustable height limiting rod with anti-falling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215629588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114885701A (en) * | 2022-04-25 | 2022-08-12 | 海环科技集团股份有限公司 | Ecological landscape wall |
-
2021
- 2021-06-29 CN CN202121457460.9U patent/CN215629588U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114885701A (en) * | 2022-04-25 | 2022-08-12 | 海环科技集团股份有限公司 | Ecological landscape wall |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |