CN214403409U - Bottom fixing device for fire-fighting aerial ladder - Google Patents
Bottom fixing device for fire-fighting aerial ladder Download PDFInfo
- Publication number
- CN214403409U CN214403409U CN202022812492.8U CN202022812492U CN214403409U CN 214403409 U CN214403409 U CN 214403409U CN 202022812492 U CN202022812492 U CN 202022812492U CN 214403409 U CN214403409 U CN 214403409U
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- Prior art keywords
- mounting box
- connecting rod
- cylinder
- aerial ladder
- rod
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- 230000000694 effects Effects 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Ladders (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a bottom fixing device for a fire control aerial ladder, which comprises a connecting block, wherein the bottom of the connecting block is fixedly provided with a chassis, the peripheral outer surface of the connecting block is symmetrically and fixedly provided with a mounting groove, the two sides of the top end of the mounting groove are symmetrically and fixedly inserted with supporting rods, the two supporting rods are rotatably sleeved with a mounting box, the bottom of the mounting box is movably inserted with a pushing rod, the two supporting rods extend into one end of the mounting box and rotatably inserted with a rotating shaft, the rotating shaft is rotatably inserted with a connecting rod, the fixing sleeve at one end of the connecting rod, which is positioned at the rotating shaft, is provided with a bevel gear, the fixed cover of one end that one of them bracing piece was located the mounting box is equipped with the fluted disc that uses with the bevel gear cooperation, and the one end activity that the pivot was kept away from to the connecting rod extends the mounting box rotation cover and is equipped with the connecting cylinder, and the activity cover is equipped with a movable cylinder on the outer wall of connecting cylinder, and the fixed thread groove that is equipped with on the movable cylinder, the one end activity of connecting rod extends the connecting cylinder and is equipped with the guide bar that uses with the thread groove cooperation.
Description
Technical Field
The utility model relates to a fire control aerial ladder equipment technical field specifically is a bottom fixing device for fire control aerial ladder.
Background
The aerial ladder fire truck is provided with a hydraulic lifting platform for fire fighters to ascend to rescue high-rise buildings, tall facilities, oil tanks and other fires, rescue trapped personnel, rescue valuable goods and materials and complete other rescue tasks. Be equipped with telescopic aerial ladder on the car, can have lift fill revolving stage and extinguishing device, supply the fire fighter to ascend a height and put out a fire and rescue the stranded personnel, be applicable to the putting out a fire of high-rise building conflagration, the landing leg structure of current fire control aerial ladder car comprises a set of hydraulic cylinder, the bottom of every perpendicular landing leg is fixed through base and ground, because perpendicular landing leg passes through the base and only perpendicular strong point and holding surface is less with ground, we propose a bottom fixing device for fire control aerial ladder for this reason and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bottom fixing device for fire control aerial ladder to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a bottom fixing device for a fire control aerial ladder comprises connecting blocks, wherein a chassis is fixedly arranged at the bottom of each connecting block, mounting grooves are symmetrically and fixedly arranged on the outer surface of the periphery of each connecting block, supporting rods are symmetrically and fixedly inserted in two sides of the top end of each mounting groove, mounting boxes are rotatably sleeved on the two supporting rods, push rods are movably inserted in the bottoms of the mounting boxes, the bottoms of the push rods movably extend out of the chassis, a rotating shaft is rotatably inserted between one ends of the two supporting rods extending into the mounting boxes, a connecting rod is rotatably inserted in the rotating shaft, bevel gears are fixedly sleeved at one end, located in the rotating shaft, of the connecting rod, a fluted disc matched with the bevel gears is fixedly sleeved at one end, located in the mounting box, of the connecting rod, which movably extends out of the mounting box and is rotatably sleeved with a connecting cylinder, and the connecting cylinder is fixedly connected to the outer wall of the mounting boxes, the movable barrel is movably sleeved on the outer wall of the connecting barrel, a thread groove is fixedly formed in the movable barrel, and a guide rod matched with the thread groove in use is arranged at one end of the connecting rod and movably extends out of the connecting barrel.
As an optimized technical scheme of the utility model, the fixed rubber pad that is equipped with in bottom on chassis.
As an optimized technical scheme of the utility model, the fixed disk that is equipped with in bottom of catch bar.
As an optimal technical scheme of the utility model, the inboard symmetry in top of a movable section of thick bamboo is fixed and is equipped with the fixture block, be equipped with the draw-in groove that uses with the fixture block cooperation on the outer wall of connecting cylinder.
As a preferred technical scheme of the utility model, the fixed spout that is equipped with in bottom of mounting box, the one end that the catch bar is located the spout is fixed to be inserted and is equipped with the carriage release lever, the fixed shifting chute that is equipped with in both ends that is located the carriage release lever in the spout, and the both ends activity of carriage release lever is inserted and is established in the shifting chute.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the auxiliary stay of connecting rod and activity section of thick bamboo, can make the landing leg of fire control aerial ladder and ground support more stable.
2. Through the linkage setting of each part, make connecting rod and a movable section of thick bamboo can stretch out when needs support, withdraw when not needing to support, improved the practicality of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the mounting box of the present invention;
FIG. 3 is a schematic view of the connection structure between the mounting box and the pushing rod of the present invention;
fig. 4 is a schematic view of the connection structure of the middle connection rod, the connection cylinder and the movable cylinder of the present invention.
In the figure: 1. connecting blocks; 2. a chassis; 21. a rubber pad; 3. mounting grooves; 4. a support bar; 5. mounting a box; 51. a chute; 52. a travel bar; 53. a moving groove; 6. a push rod; 61. fixing the disc; 7. a rotating shaft; 8. a connecting rod; 9. a bevel gear; 10. a fluted disc; 11. a connecting cylinder; 12. a movable barrel; 121. a clamping block; 122. a card slot; 13. a thread groove; 14. a guide rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a bottom fixing device for a fire control aerial ladder comprises a connecting block 1, wherein a chassis 2 is fixedly arranged at the bottom of the connecting block 1, mounting grooves 3 are symmetrically and fixedly arranged on the peripheral outer surface of the connecting block 1, supporting rods 4 are symmetrically and fixedly inserted at two sides of the top end of each mounting groove 3, a mounting box 5 is rotatably sleeved on the two supporting rods 4, a pushing rod 6 is movably inserted at the bottom of the mounting box 5, the bottom end of the pushing rod 6 movably extends out of the chassis 2, a rotating shaft 7 is rotatably inserted between one ends of the two supporting rods 4 extending into the mounting box 5, a connecting rod 8 is rotatably inserted on the rotating shaft 7, a bevel gear 9 is fixedly sleeved at one end of the connecting rod 8 positioned on the rotating shaft 7, a fluted disc 10 matched with the bevel gear 9 is fixedly sleeved at one end of one supporting rod 4 positioned in the mounting box 5, a connecting cylinder 11 is rotatably sleeved at one end of the connecting rod 8 far away from the rotating shaft 7 and extending out of the mounting box 5, and the connecting cylinder 11 is fixedly connected on the outer wall of the mounting box 5, a movable cylinder 12 is movably sleeved on the outer wall of the connecting cylinder 11, a thread groove 13 is fixedly arranged on the movable cylinder 12, one end of the connecting rod 8 movably extends out of the connecting cylinder 11 and is provided with a guide rod 14 matched with the thread groove 13 for use, the top of the connecting block 1 is connected with the telescopic end of the vertical supporting leg of the fire-fighting aerial ladder vehicle, when the telescopic end of the supporting leg drives the connecting block 1 to move towards the ground for supporting, the bottom of the push rod 6 firstly contacts the ground, the push rod 6 vertically moves upwards on the chassis 2 through the extrusion of the ground, the upward moving push rod 6 pushes the mounting box 5 to upwards rotate on the supporting rod 4, the rotating mounting box 5 drives the connecting rod 8 to rotate together through the connecting cylinder 11, the rotating connecting rod 8 drives the rotating shaft 7 to rotate in the supporting rod 4, the rotating shaft 7 drives the bevel gear 9 to rotate together, the rotating bevel gear 9 is engaged with a fluted disc 10 fixedly arranged on the support rod 4, so that the bevel gear 9 drives the connecting rod 8 to rotate on the rotating shaft 7 through the fluted disc 10 in the rotating process, the rotating connecting rod 8 drives the guide rod 14 at the bottom end to rotate, the rotating guide rod 14 pushes the movable cylinder 12 to slide on the connecting cylinder 11 through the thread groove 13, when the connecting block 1 drives the chassis 2 to be completely attached to the ground, the movable cylinder 12 extends out of the connecting cylinder 11 and is obliquely supported on the ground, so that the chassis 2 is supported in an auxiliary supporting manner, the stability of the support legs of the fire-fighting aerial ladder is improved, when the support legs of the fire-fighting aerial ladder are folded upwards, the chassis 2 is separated from the ground, the push rod 6 vertically moves downwards on the chassis 2, the push rod 6 moving downwards drives the mounting box 5 to rotate reversely, and the mounting box 5 rotating reversely drives the connecting rod 8 to rotate reversely, the bevel gear 9 and the fluted disc 10 drive the connecting rod 8 to rotate reversely, and the connecting rod 8 rotating reversely contracts the movable cylinder 12 towards the connecting block 1 through the guide rod 14 and the thread groove 13, so that the connecting rod is convenient to use next time.
The bottom of the chassis 2 is fixedly provided with a rubber pad 21, and the friction force between the chassis 2 and the ground is increased through the rubber pad 21 at the bottom.
The bottom of the push rod 6 is fixedly provided with a fixed disc 61, and the bottom of the push rod 6 is supported on the ground by the fixed disc 61, so that the stability during vertical movement is improved.
The inner side of the top end of the movable cylinder 12 is symmetrically and fixedly provided with clamping blocks 121, the outer wall of the connecting cylinder 11 is provided with clamping grooves 122 matched with the clamping blocks 121 for use, and the movable cylinder 12 is limited by the clamping blocks 121 and the clamping grooves 122, so that the movable cylinder 12 moves up and down on the connecting cylinder 11.
The fixed spout 51 that is equipped with in bottom of mounting box 5, the one end that catch bar 6 is located spout 51 is fixed to be inserted and is equipped with carriage release lever 52, and the fixed shifting chute 53 that is equipped with in both ends that is located carriage release lever 52 in the spout 51, and the both ends activity of carriage release lever 52 is inserted and is established in shifting chute 53, and when catch bar 6 reciprocated, thereby move in shifting chute 53 through carriage release lever 52 and drive mounting box 5 and rotate on bracing piece 4.
The working principle is as follows: when the utility model is used, the top of the connecting block 1 is connected with the telescopic end of the vertical supporting leg of the fire-fighting aerial ladder vehicle, when the telescopic end of the supporting leg drives the connecting block 1 to move towards the ground for supporting, the bottom of the push rod 6 firstly contacts the ground, the push rod 6 vertically moves upwards on the chassis 2 through the extrusion of the ground, the push rod 6 moving upwards moves in the moving groove 53 through the moving rod 52 to drive the mounting box 5 to rotate upwards on the supporting rod 4, the rotating mounting box 5 drives the connecting rod 8 to rotate together through the connecting cylinder 11, the rotating connecting rod 8 drives the rotating shaft 7 to rotate on the supporting rod 4, the rotating shaft 7 drives the bevel gear 9 to rotate together, the rotating bevel gear 9 is meshed with the fluted disc 10 fixedly arranged on the supporting rod 4, thereby the bevel gear 9 drives the connecting rod 8 to rotate on the rotating shaft 7 through the fluted disc 10 in the rotating process, the rotating connecting rod 8 drives the guide rod 14 at the bottom end to rotate, the rotating guide rod 14 pushes the movable cylinder 12 to slide on the connecting cylinder 11 through the thread groove 13, when the connecting block 1 drives the chassis 2 to be completely attached to the ground, the movable cylinder 12 extends out of the connecting cylinder 11 and is obliquely supported on the ground, so that the chassis 2 is supported in an auxiliary mode, the stability of the support legs of the fire-fighting aerial ladder is improved, when the support legs of the fire-fighting aerial ladder are folded upwards, the chassis 2 is separated from the ground, the push rod 6 vertically moves downwards on the chassis 2, the push rod 6 moving downwards drives the mounting box 5 to rotate reversely, the mounting box 5 rotating reversely drives the connecting rod 8 to rotate reversely, the connecting rod 8 is driven to rotate reversely through the bevel gear 9 and the fluted disc 10, the connecting rod 8 rotating reversely enables the movable cylinder 12 to be folded towards the direction of the connecting block 1 through the guide rod 14 and the thread groove 13, thereby facilitating the next use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a bottom fixing device for fire control aerial ladder, includes connecting block (1), its characterized in that: the bottom of the connecting block (1) is fixedly provided with a chassis (2), the outer surfaces of the periphery of the connecting block (1) are symmetrically and fixedly provided with mounting grooves (3), two supporting rods (4) are symmetrically and fixedly inserted at the two sides of the top end of each mounting groove (3), a mounting box (5) is sleeved on the two supporting rods (4) in a rotating manner, a push rod (6) is movably inserted at the bottom of the mounting box (5), the bottom end of the push rod (6) movably extends out of the chassis (2), a rotating shaft (7) is rotatably inserted between the two ends of the supporting rods (4) extending into the mounting box (5), a connecting rod (8) is rotatably inserted on the rotating shaft (7), one end of the connecting rod (8) located at the rotating shaft (7) is fixedly sleeved with a bevel gear (9), one end of the supporting rod (4) located in the mounting box (5) is fixedly sleeved with a fluted disc (10) matched with the bevel gear (9), the utility model discloses a fixing device for connecting rod, including connecting rod (8), connecting rod (8) and connecting rod (8), the one end activity of keeping away from pivot (7) is extended mounting box (5) and is rotated the cover and be equipped with connecting cylinder (11), and connecting cylinder (11) fixed connection is on the outer wall of mounting box (5), the activity cover is equipped with movable cylinder (12) on the outer wall of connecting cylinder (11), the fixed thread groove (13) that is equipped with on movable cylinder (12), the one end activity of connecting rod (8) is extended connecting cylinder (11) and is equipped with guide bar (14) that use with thread groove (13) cooperation.
2. The bottom fixture for a fire aerial ladder of claim 1, wherein: a rubber pad (21) is fixedly arranged at the bottom of the chassis (2).
3. The bottom fixture for a fire aerial ladder of claim 1, wherein: the bottom of the push rod (6) is fixedly provided with a fixed disc (61).
4. The bottom fixture for a fire aerial ladder of claim 1, wherein: the movable connecting cylinder is characterized in that clamping blocks (121) are symmetrically and fixedly arranged on the inner side of the top end of the movable cylinder (12), and clamping grooves (122) matched with the clamping blocks (121) for use are formed in the outer wall of the connecting cylinder (11).
5. The bottom fixture for a fire aerial ladder of claim 1, wherein: the bottom of mounting box (5) is fixed and is equipped with spout (51), the one end that catch bar (6) are located spout (51) is fixed to be inserted and is equipped with carriage release lever (52), both ends that are located carriage release lever (52) in spout (51) are fixed and are equipped with shifting chute (53), and the both ends activity of carriage release lever (52) is inserted and is established in shifting chute (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812492.8U CN214403409U (en) | 2020-11-27 | 2020-11-27 | Bottom fixing device for fire-fighting aerial ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812492.8U CN214403409U (en) | 2020-11-27 | 2020-11-27 | Bottom fixing device for fire-fighting aerial ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403409U true CN214403409U (en) | 2021-10-15 |
Family
ID=78036552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022812492.8U Active CN214403409U (en) | 2020-11-27 | 2020-11-27 | Bottom fixing device for fire-fighting aerial ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214403409U (en) |
-
2020
- 2020-11-27 CN CN202022812492.8U patent/CN214403409U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240426 Address after: Room 101, Unit 2, East Building, Green Garden Community, No. 12 Fushi Road, Yuyang District, Yulin City, Shaanxi Province, 719000 Patentee after: Yulin Zhongyi Fire Protection Technology Testing Co.,Ltd. Country or region after: China Address before: No.24, zhongzuiwan, yehuaxiang village, Dajipu Town, Daye City, Huangshi City, Hubei Province 435100 Patentee before: Xiong Daohua Country or region before: China |
|
| TR01 | Transfer of patent right |