CN215329356U - Bridge inspect vehicle sectional type safety handle - Google Patents
Bridge inspect vehicle sectional type safety handle Download PDFInfo
- Publication number
- CN215329356U CN215329356U CN202120341659.9U CN202120341659U CN215329356U CN 215329356 U CN215329356 U CN 215329356U CN 202120341659 U CN202120341659 U CN 202120341659U CN 215329356 U CN215329356 U CN 215329356U
- Authority
- CN
- China
- Prior art keywords
- guardrail
- telescopic arm
- arm cylinder
- base rod
- telescopic
- 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.)
- Expired - Fee Related
Links
- 238000007689 inspection Methods 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 abstract description 3
- 230000011218 segmentation Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a segmented safety handrail of a bridge inspection vehicle, which comprises segmented folding guardrails arranged on two sides of an air pressure telescopic arm, wherein the air pressure telescopic arm comprises a main arm cylinder, a first telescopic arm cylinder and a second telescopic arm cylinder, the first telescopic arm cylinder is inserted into the main arm cylinder, the second telescopic arm cylinder is inserted into the first telescopic arm cylinder, the segmented folding guardrail comprises a first guardrail structure, a second guardrail structure and a third guardrail structure, the front end of the second guardrail structure is connected with the front end part of the first telescopic arm cylinder through a first push rod, and the front end of the third guardrail structure is connected with the front end part of the second telescopic arm cylinder through a second push rod. The folding guardrails are arranged on the telescopic arm structure in a segmented mode, each folding guardrail is telescopic corresponding to each telescopic arm, when the telescopic arm structure is contracted, the guardrails can also be contracted, and when no one walks on the pneumatic telescopic arm, the folding guardrails are folded, so that the space is not occupied, and the construction operation is convenient.
Description
Technical Field
The utility model relates to the technical field of safety handrails, in particular to a sectional type safety handrail of a bridge inspection vehicle.
Background
With the rapid development of economy and traffic construction in China, super-large highway bridges, railway bridges and urban viaducts in China are increasing day by day. In order to improve the capacity of the bridge inspection vehicle for crossing the width of the sidewalk, most bridge inspection vehicle manufacturers add a section of telescopic arm to a rotary table or a main arm, and the rotary table or the main arm is a necessary path for workers to successfully reach an under-bridge working platform. As a safety passage for people to get off the bridge, the height above the ground is generally more than 3 meters, and some are even close to 6 meters, so that the safety protection measures on the two sides of the passage become the central importance for ensuring the safety of workers. The handrails in the conventional products are all of single-section structures, but due to the addition of the telescopic function of the rotary table or the main arm, the original single-section handrail structure cannot meet the protection requirements of the whole channel before and after the rotary table or the main arm is telescopic, and when the handrail is not used, the handrail is opened, so that the movement and the operation of the telescopic arm are influenced.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the utility model aims to provide a segmented safety handrail of a bridge inspection vehicle, which solves the problem that the existing maintenance personnel can not adapt to the requirement of segmented folding even if no guardrail exists when walking to a hanging basket channel.
The utility model provides a sectional type safety handrail of a bridge inspection vehicle, which comprises sectional folding guardrails arranged on two sides of a pneumatic telescopic arm, the pneumatic telescopic arm comprises a main arm cylinder, a first telescopic arm cylinder and a second telescopic arm cylinder, the first telescopic arm cylinder is inserted in the main arm cylinder, the second telescopic arm cylinder is inserted in the first telescopic arm cylinder, the sectional folding guardrail comprises a first guardrail structure, a second guardrail structure and a third guardrail structure, the first guardrail structures are respectively and symmetrically arranged at two sides of the main arm cylinder, the outer sides of the first guardrail structures are respectively and slidably provided with the second guardrail structures, the outer sides of the second guardrail structures are respectively provided with a third guardrail structure in a sliding way, the front ends of the second guardrail structures are connected with the front end part of the first telescopic arm cylinder through a first push rod, the front end of the third guardrail structure is connected with the front end part of the second telescopic arm cylinder through a second push rod.
In some embodiments of the present invention, the first guardrail structure, the second guardrail structure and the third guardrail structure all include a folding guardrail, a stretching structure and a base rod which are of the same structure, the folding guardrail includes a guardrail cross rod and a plurality of rotating rods, one end of each rotating rod is rotatably connected with the guardrail cross rod, the other end of each rotating rod is rotatably connected with the base rod, and the stretching structure is connected with one end of the guardrail cross rod and can pull or put down the guardrail cross rod to be in an open or folded state.
In other embodiments of the present invention, the stretching structure includes a supporting rod, a motor and a pulley, the motor is mounted on the top end of the supporting rod, a reel is sleeved on a rotating shaft of the motor, a pulling rope is tied on the reel, the pulling rope passes through the pulley and is tied on one end of the guardrail cross rod, the supporting rod is arranged on the rear end of the base rod, and a stopper for stopping the guardrail cross rod is arranged on the supporting rod.
In other embodiments of the present invention, the base rod includes a first base rod, a second base rod, and a third base rod, one side of the first base rod is fixed on the main arm cylinder, the other side of the first base rod is provided with a first slide rail, one side of the second base rod is provided with a first slide groove matched with the first slide rail, the other side of the second base rod is provided with a second slide rail, and one side of the third base rod is provided with a second slide groove matched with the second slide rail.
In other embodiments of the present invention, the telescopic length of the first telescopic arm cylinder is less than the length of the first slide rail inserted into the first slide groove, and the telescopic length of the second telescopic arm cylinder is less than the length of the second slide rail inserted into the second slide groove.
According to the utility model, the folding guardrails are arranged on the telescopic arm structure in a segmented manner, each folding guardrail is correspondingly telescopic with each telescopic arm, when the telescopic arm structure is contracted, the guardrails can also be contracted, and when no one walks on the pneumatic telescopic arm, the folding guardrails are folded, so that the space is not occupied, and the construction operation is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural view of a segmented safety handrail of a bridge inspection vehicle according to the present invention.
Fig. 2 is a schematic cross-sectional view of a first base rod, a second base rod and a third base rod according to the present invention.
Fig. 3 is a schematic cross-sectional view of the folding guardrail and the stretching structure according to the present invention.
In the figure: 1. a main arm cylinder; 2. a first telescopic arm cylinder; 3. a second telescopic arm cylinder; 4. a first base rod; 41. a first slide rail; 5. a second base rod; 50. a first push rod; 51. a first chute; 52. a second slide rail; 6. a third base rod; 60. a second push rod; 61. a second chute; 7. a guardrail cross bar; 71. rotating the rod; 8. a strut; 81. a motor; 82. a pulley; 83. and a stop block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
Referring to fig. 1 to 3, a sectional type safety handrail for a bridge inspection vehicle includes sectional folding guardrails installed at both sides of a pneumatic telescopic arm, the pneumatic telescopic arm comprises a main arm cylinder 1, a first telescopic arm cylinder 2 and a second telescopic arm cylinder 3, the first telescopic arm cylinder 2 is inserted in the main arm cylinder 1, the second telescopic arm cylinder 3 is inserted in the first telescopic arm cylinder 2, the sectional folding guardrail comprises a first guardrail structure, a second guardrail structure and a third guardrail structure, the first guardrail structures are respectively and symmetrically arranged at two sides of the main arm cylinder 1, the outer sides of the first guardrail structures are respectively and slidably provided with a second guardrail structure, the outer sides of the second guardrail structures are respectively provided with a third guardrail structure in a sliding way, the front ends of the second guardrail structures are connected with the front end part of the first telescopic arm cylinder 2 through a first push rod 50, the front end of the third guardrail structure is connected with the front end part of the second telescopic arm cylinder 3 through a second push rod 60.
Under the flexible arm of atmospheric pressure is in compression state, accomodate together when the folding guardrail of segmentation, after the flexible arm of atmospheric pressure stretches out, every folding guardrail of segmentation will also remove, removes second guardrail structure and third guardrail structure, and fixes in 1 both sides of main arm section of thick bamboo during first guardrail structure, and first guardrail structure, second guardrail structure and third guardrail structure are the first connection in order, just so form a guardrail. The people walk on the pneumatic telescopic arm and can walk by holding the guardrail.
First guardrail structure, second guardrail structure and third guardrail structure all include the folding guardrail, tensile structure and the base pole of isostructure, folding guardrail includes guardrail horizontal pole 7 and many dwang 71, dwang 71 one end is rotated with guardrail horizontal pole 7 and is connected, the dwang 71 other end is rotated with the base pole and is connected, tensile structure is connected with 7 one end of guardrail horizontal pole, can stimulate or put down guardrail horizontal pole 7 and make it become to open form or ruggedness.
When no working personnel walk on the pneumatic telescopic boom, the guardrail structure is folded, so that the movement of the telescopic boom is not influenced. When the guardrail is needed, each guardrail cross rod 7 is pulled up through the stretching structure, and the opening state of the guardrail can be formed.
Tensile structure includes branch 8, motor 81 and pulley 82, motor 81 installs on the 8 tops of branch, the cover has the reel in the motor 81 pivot, it has the stay cord to tie on the reel, the stay cord passes and is in the one end of guardrail horizontal pole 7 in pulley 82, branch 8 sets up in base pole rear end portion, be equipped with the dog 83 that keeps out guardrail horizontal pole 7 on branch 8.
The motor 81 rotates to pull up the pull rope to pull up the folded guardrail so that the guardrail cross rod 7 abuts against the stop block 83 after being pulled up, then the motor 81 brakes, and at this time, the guardrail is opened. When the guardrail needs to be put down, the motor 81 stops braking, and the guardrail is folded.
The base rod comprises a first base rod 4, a second base rod 5 and a third base rod 6, one side of the first base rod 4 is fixed on the main arm cylinder 1, the other side of the first base rod 4 is provided with a first sliding rail 41, one side of the second base rod 5 is provided with a first sliding groove 51 matched with the first sliding rail 41, the other side of the second base rod 5 is provided with a second sliding rail 52, and one side of the third base rod 6 is provided with a second sliding groove 61 matched with the second sliding rail 52.
Only first base pole 4 is immobile, and second base pole 5 slides relative to first base pole 4, and third base pole 6 slides relative to second base pole 5, and the slide rail plays linking and sliding action, and the slide rail card just can be so that three base pole interconnect in the spout.
The telescopic length of the first telescopic arm cylinder 2 is smaller than the length of the first slide rail 41 inserted into the first slide groove 51, and the telescopic length of the second telescopic arm cylinder 3 is smaller than the length of the second slide rail 52 inserted into the second slide groove 61.
Thus, after the first telescopic arm cylinder 2 is extended out, the first slide rail 41 is still in the first slide groove 51, and after the second telescopic arm cylinder 3 is extended out, the second slide rail 52 is still in the second slide groove 61, so that the interconnection among the first base rod 4, the second base rod 5 and the third base rod 6 is ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a bridge inspect vehicle sectional type safety handle which characterized in that: comprises sectional folding guardrails arranged on two sides of an air pressure telescopic arm, the air pressure telescopic arm comprises a main arm cylinder (1), a first telescopic arm cylinder (2) and a second telescopic arm cylinder (3), the first telescopic arm cylinder (2) is inserted into the main arm cylinder (1), the second telescopic arm cylinder (3) is inserted into the first telescopic arm cylinder (2), the sectional folding guardrail comprises a first guardrail structure, a second guardrail structure and a third guardrail structure, the first guardrail structures are respectively and symmetrically arranged at two sides of the main arm cylinder (1), the outer sides of the first guardrail structures are respectively and slidably provided with a second guardrail structure, the outer sides of the second guardrail structures are respectively provided with a third guardrail structure in a sliding way, the front ends of the second guardrail structures are connected with the front end part of the first telescopic arm cylinder (2) through a first push rod (50), the front end of the third guardrail structure is connected with the front end part of the second telescopic arm cylinder (3) through a second push rod (60).
2. The segmented safety handrail of a bridge inspection vehicle of claim 1, wherein: first guardrail structure, second guardrail structure and third guardrail structure all include the folding guardrail, tensile structure and the base pole of isostructure, folding guardrail includes guardrail horizontal pole (7) and many dwang (71), dwang (71) one end is rotated with guardrail horizontal pole (7) and is connected, dwang (71) other end is rotated with the base pole and is connected, tensile structure is connected with guardrail horizontal pole (7) one end, can stimulate or put down guardrail horizontal pole (7) and make it become to open form or ruggedness.
3. The segmented safety handrail of a bridge inspection vehicle of claim 2, wherein: tensile structure includes branch (8), motor (81) and pulley (82), install on branch (8) top motor (81), the cover has the reel in motor (81) pivot, the system has the stay cord on the reel, the stay cord passes and is the one end at guardrail horizontal pole (7) in pulley (82), branch (8) set up in base pole rear end portion, be equipped with dog (83) that keep out guardrail horizontal pole (7) on branch (8).
4. The segmented safety handrail of a bridge inspection vehicle of claim 2, wherein: the base rod comprises a first base rod (4), a second base rod (5) and a third base rod (6), one side of the first base rod (4) is fixed on the main arm cylinder (1), the other side of the first base rod (4) is provided with a first sliding rail (41), one side of the second base rod (5) is provided with a first sliding groove (51) matched with the first sliding rail (41), the other side of the second base rod (5) is provided with a second sliding rail (52), and one side of the third base rod (6) is provided with a second sliding groove (61) matched with the second sliding rail (52).
5. The segmented safety handrail of a bridge inspection vehicle of claim 4, wherein: the telescopic length of the first telescopic arm cylinder (2) is smaller than the length of the first sliding rail (41) inserted into the first sliding groove (51), and the telescopic length of the second telescopic arm cylinder (3) is smaller than the length of the second sliding rail (52) inserted into the second sliding groove (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120341659.9U CN215329356U (en) | 2021-02-05 | 2021-02-05 | Bridge inspect vehicle sectional type safety handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120341659.9U CN215329356U (en) | 2021-02-05 | 2021-02-05 | Bridge inspect vehicle sectional type safety handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215329356U true CN215329356U (en) | 2021-12-28 |
Family
ID=79581006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120341659.9U Expired - Fee Related CN215329356U (en) | 2021-02-05 | 2021-02-05 | Bridge inspect vehicle sectional type safety handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215329356U (en) |
-
2021
- 2021-02-05 CN CN202120341659.9U patent/CN215329356U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |