CN222433843U - A lifting device - Google Patents
A lifting device Download PDFInfo
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- CN222433843U CN222433843U CN202421316186.7U CN202421316186U CN222433843U CN 222433843 U CN222433843 U CN 222433843U CN 202421316186 U CN202421316186 U CN 202421316186U CN 222433843 U CN222433843 U CN 222433843U
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- elevator
- car
- delivery track
- supporting
- stabilizer bar
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 27
- 239000003381 stabilizer Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
本实用新型公开了一种升降装置，包括可在依次嵌套的若干个中空的支撑体内移动的轿厢以及用于带动轿厢在支撑体内移动的驱动机构；每个支撑体相同的一端均固定连接有电梯轨道，所述电梯轨道与支撑体方向一致，相邻的电梯轨道相互错开，所述轿厢移动时，依次与相邻的电梯轨道滑动连接。由于各电梯轨道之间为滑动配合，因而各电梯轨道连接后的总长度可根据轿厢需要的提升高度进行相应的调整，从而使轿厢可安全、顺利的在可伸缩的主臂内运行。
The utility model discloses a lifting device, including a car that can move in a plurality of hollow supporting bodies nested in sequence and a driving mechanism for driving the car to move in the supporting bodies; an elevator track is fixedly connected to the same end of each supporting body, the elevator track is in the same direction as the supporting body, adjacent elevator tracks are staggered, and when the car moves, it is slidably connected with adjacent elevator tracks in sequence. Since the elevator tracks are slidably matched, the total length of the elevator tracks after connection can be adjusted accordingly according to the required lifting height of the car, so that the car can run safely and smoothly in the retractable main arm.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a lifting device.
Background
An elevator is a commonly used lifting device for a high building or some construction machines. The elevator runs on a supporting body, such as an elevator shaft, an outer wall of a building or a main body of engineering machinery (such as a tower crane), and the up-and-down transportation of personnel or goods is realized through the dragging of a steel wire rope. When the elevator is running, since the elevator needs to move along the track on the support, once the height or length of the support is determined, the length of the track is also determined, and the maximum lifting height of the elevator is also determined.
When the existing fire-fighting rescue vehicle works, the main arms are inclined and telescopic. If the main arm stretches out too much, the gravity center of the main arm deviates from the supporting position, the fire engine is unstable when working, and the fire engine is at risk of overturning, so that the height of the fire rescue is limited, and the rescue point is limited.
The main arm is vertical, and the transverse folding arm is arranged at the top of the main arm, so that the rescue height of the fire-fighting rescue vehicle can be improved through the vertical main arm and the support around the main arm. However, when the fire-fighting rescue vehicle works, the fire-fighting rescue height needs to be changed through the telescopic main arm, and the main arm is not fixed, so that the conventional lifter cannot be used on the main arm of the fire-fighting rescue vehicle due to the fixed track length.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a lifting device which is used for solving the problem that the existing lifter cannot be used on a telescopic main arm due to fixed track length.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The lifting device comprises a lift car capable of moving in a plurality of hollow supporting bodies which are nested in sequence and a driving mechanism for driving the lift car to move in the supporting bodies, wherein one end of each supporting body which is the same as the supporting body is fixedly connected with an elevator track, the direction of each elevator track is consistent with that of the supporting body, adjacent elevator tracks are staggered, and when the lift car moves, the lift car is sequentially connected with the adjacent elevator tracks in a sliding manner.
Further, the supporter is vertical setting, and after the supporter was retrieved, the elevator track all is located inside the supporter of being inside, the supporter is nested in proper order from outside to inside, after the supporter stretches out, the height of supporter is increased in proper order by outside inside height, the elevator track respectively with corresponding supporter bottom fixed connection.
Further, a delivery track is arranged on one side of the elevator track corresponding to the inner supporting body, the delivery track is in sliding connection with the elevator track corresponding to the supporting body, the delivery track is parallel to the elevator track, and a jacking unit for driving the delivery track to lift is arranged on the supporting body.
The lifting unit is a lifting hydraulic cylinder of the delivery track, the lifting hydraulic cylinder of the delivery track is consistent with the delivery track in direction, the delivery track and the inner support body are hinged with one end corresponding to the lifting hydraulic cylinder of the delivery track respectively, after the delivery track is lifted by the lifting hydraulic cylinder, the lift car is lifted and higher than the inner support body under the drive of the driving mechanism, and the delivery track is in sliding fit with the lift car.
Further, the driving mechanism comprises an elevator hoist fixedly arranged on the car, an elevator steel wire rope with one end fixedly connected with the elevator steel wire rope is arranged on the inner support body, and the other end of the elevator steel wire rope is wound on a winding drum of the elevator hoist.
Further, adjacent elevator tracks are slidably connected.
Further, the car is provided with at least one elevator door, and the elevator door is push-pull type.
Further, the side of car is equipped with elevator stabilizing mean, elevator stabilizing mean includes with car side fixed connection's fixed fulcrum bar, one end and fixed fulcrum bar articulated second stabilizer bar, rotates the stabilizer wheel of connecting at the second stabilizer bar other end and sets up the air spring between second stabilizer bar and fixed fulcrum bar, the stabilizer wheel supports the inboard at the supporter, the both ends of air spring are articulated with second stabilizer bar and fixed fulcrum bar respectively.
Further, fixed montant is fixed to fixedly connected with on the fixed branch, the second stabilizer bar is articulated with fixed montant upper end, still be equipped with first stabilizer bar between second stabilizer bar and the fixed branch, first stabilizer bar one end is articulated with fixed montant lower extreme, and the other end is close to the middle part with the second stabilizer bar and articulates, gas spring one end is articulated with first stabilizer bar middle part, and the other end is articulated with the position that the second stabilizer bar is close to the stabilizing wheel.
The utility model has the positive effects that:
1. The elevator is characterized in that elevator tracks are arranged on each support body of the main arm, each elevator track is connected in a sliding manner, a car is arranged in each support body, an elevator sliding block is arranged on each car, an elevator winch is arranged below each car, each elevator winch drives the car to lift through an elevator steel wire rope, and each elevator sliding rail is sequentially connected with each elevator sliding rail in a sliding manner in the process of lifting the car. Because the elevator tracks are in sliding fit, the total length of the elevator tracks after connection can be correspondingly adjusted according to the lifting height (namely the height of the main arm after extension) required by the elevator car, so that the elevator car can safely and smoothly run in the telescopic main arm.
2. The elevator track corresponding to the inner support body is also connected with a delivery track in a sliding way, and the delivery track is driven by a delivery track jacking hydraulic cylinder arranged on the support body to realize lifting. When the lifting hydraulic cylinder of the delivery track acts, the delivery track is lifted upwards, and the elevator hoist runs, the elevator car is pulled out upwards to a support body which is positioned inwards, so that the elevator car is higher than the support body, namely, the elevator car is higher than a transverse folding arm connected to the top of the support body, thereby being convenient for people to transfer between the elevator car and the folding arm.
3. And an elevator stabilizing mechanism is arranged below the elevator car and plays a role in stabilizing the elevator car, so that the elevator car is prevented from shaking when the elevator car moves up and down.
Drawings
Fig. 1 is a schematic view of the appearance of a car after lifting out of a support body;
Fig. 2 is an enlarged view of a portion of the car of fig. 1;
fig. 3 is an enlarged partial view of the car after it has been lowered to the lower part of the inner support body;
fig. 4 is a schematic structural view of an elevator stabilization mechanism;
Fig. 5 is a partial schematic view of the car after the car has been lifted out of the support;
Fig. 6 is a side view of the car after lifting out of the support;
In the figure:
201. The elevator comprises a support body, a lifting hydraulic cylinder of a discharging track, a 703, an elevator track, a 704, a car, a 705, an elevator hoist, a 706, an elevator door, a 707, an elevator sliding block, a 708, a guide pulley, 709, a seat plate, a 710, an elevator wire rope, a 711, a track bracket, a 712, an elevator stabilizing mechanism, a 7121, a fixing strut, a 7122, a fixing vertical rod, a 7123, a first stabilizing rod, a 7124, a stabilizing wheel, a 7125, a gas spring, a 7126 and a second stabilizing rod.
Detailed Description
Example 1
As shown in fig. 1 to 6, the main arm of the fire-fighting truck is composed of eight hexagonal supporting bodies 201 which are nested inside and outside in sequence, and after the main arm is extended, the heights of the eight supporting bodies 201 are raised from outside to inside in sequence.
A lifting device comprises a car 704 capable of moving up and down in eight supporting bodies 201 and a driving mechanism for driving the car 704 to move in the supporting bodies 201. A gap is provided between the car 704 and the inner support 201. The lower extreme of every supporter 201 all fixedly connected with door font's track support 711, the inboard of every track support 711 all fixedly connected with vertical elevator track 703, and adjacent elevator track 703 stagger each other, and adjacent elevator track 703 sliding connection. An elevator sliding block 707 is fixedly connected to the outer side of the car 704, and after the main arm is extended, when the car 704 moves up and down, the elevator sliding blocks 707 are sequentially in sliding fit with the elevator tracks 703, and the distances between the eight elevator tracks 703 and the elevator sliding blocks 707 are equal. When the support 201 is retracted downwards, the elevator tracks 703 are located inside the inner support 201.
In order to make the stress of the car 704 uniform, the rail brackets 711 and the elevator rails 703 on each supporting body 201 are two symmetrically arranged on two sides of the car 704, the elevator sliding blocks 707 on each side of the car 704 are two vertically arranged, and the upper and lower ends of the elevator rails 703 on the inner supporting body 201 are fixedly connected with the supporting body 201.
The car 704 below be equipped with rather than through stand fixed connection's circular bedplate 709, actuating mechanism includes two motor drive's elevator hoist engine 705 with bedplate 709 top fixed connection, all winds on the reel of every elevator hoist engine 705 has elevator wire rope 710, and the tip of two elevator wire ropes 710 is connected at the support 201 top of being inboard respectively, and two elevator wire ropes 710 all are located between car 704 and the support 201 of being inboard, still are equipped with guide pulley 708 on the bedplate 709, and elevator wire rope 710 walks around guide pulley 708.
The elevator doors 706 are arranged on two sides of the elevator car 704, and the elevator doors 706 are rotary push-pull type and can rotate around the center of the elevator car 704.
The working process of the utility model is as follows:
after the supporting bodies 201 of the main arm are extended, the elevator hoist 705 operates, and the elevator wire rope 710 is retracted, thereby driving the car 704 to rise. An elevator slider 707 is in turn slidably coupled to each elevator track 703 for guiding the car 704.
Because the elevator rails 703 are in sliding fit, the total length of the connected elevator rails 703 can be correspondingly adjusted according to the lifting height of the car 704, so that the car 704 can safely and smoothly run in the telescopic main arm.
Example 2
This embodiment differs from embodiment 1 in that:
one side of each of the two elevator tracks 703 corresponding to the inner support 201 is provided with a delivery track 702, the delivery track 702 is slidably connected with the elevator track 703 corresponding to the support 201, the delivery track 702 is parallel to the elevator track 703, and the support 201 is provided with a lifting unit for driving the delivery track 702 to lift. The jacking unit is a delivery track jacking hydraulic cylinder 701, the delivery track jacking hydraulic cylinder 701 is vertically arranged, the delivery track 702 and the inner supporting body 201 are respectively hinged with one end corresponding to the delivery track jacking hydraulic cylinder 701, and two elevator steel wire ropes 710 are respectively fixedly connected with the tops of the corresponding delivery tracks 702.
In practical application, the top of the inner supporting body 201 is rotatably connected with a transverse folding arm, when the lifting hydraulic cylinder 701 of the delivery track acts, the two delivery tracks 702 are lifted upwards, and when the elevator hoist 705 runs, the elevator 704 is pulled out of the inner supporting body 201, so that the elevator 704 is higher than the supporting body 201, namely, the elevator 704 is higher than the folding arm, thereby facilitating the transfer of personnel between the elevator 704 and the folding arm.
Example 3
This embodiment differs from embodiment 2 in that:
The seat board 709 is provided with an elevator stabilizing mechanism 712 on two symmetrical side surfaces, the elevator stabilizing mechanism 712 and the elevator sliding block 707 are arranged at 90-degree intervals by taking the car 704 as a center, each elevator stabilizing mechanism 712 comprises two fixing support rods 7121 fixedly connected with the side surface of the car 704 and arranged up and down, a vertical fixing vertical rod 7122 fixedly arranged on the two fixing support rods 7121, a second stabilizing rod 7126 with one end hinged with the top end of the fixing vertical rod 7122, a stabilizing wheel 7124 rotationally connected with the other end of the second stabilizing rod 7126, a first stabilizing rod 7123 with one end hinged with the lower end of the fixing vertical rod 7122 and a gas spring 7125. The other end of the first stabilizer bar is hinged to the second stabilizer bar 7126 near the middle, one end of the gas spring 7125 is hinged to the first stabilizer bar 7123 near the middle, and the other end of the gas spring is hinged to the second stabilizer bar 7126 near the stabilizer wheel 7124.
Under the elastic action of the air springs 7125, the stabilizing wheels 7124 are always abutted against the inner sides of the supporting bodies 201 with different specifications and sizes, play a role in stabilizing the car 704, and prevent the car 704 from shaking when moving up and down.
The foregoing description of the embodiments of the present utility model has been presented only to illustrate the technical spirit and features of the present utility model, and it is intended to enable those skilled in the art to understand the present utility model and to implement it, but not to limit the scope of the present utility model only by the present embodiments, i.e. equivalent changes or modifications to the spirit of the present utility model disclosed herein, and it is intended for those skilled in the art to make local improvements in the system and changes, variations between subsystems, etc. within the scope of the present utility model without departing from the structure of the present utility model.
Claims (9)
1. The lifting device is characterized by comprising a lift car (704) capable of moving in a plurality of hollow supporting bodies (201) which are nested in sequence and a driving mechanism for driving the lift car (704) to move in the supporting bodies (201), wherein one end of each supporting body (201) which is the same is fixedly connected with an elevator track (703), the elevator tracks (703) are consistent with the direction of the supporting bodies (201), adjacent elevator tracks (703) are staggered, and when the lift car (704) moves, the lift car is sequentially connected with the adjacent elevator tracks (703) in a sliding mode.
2. The lifting device according to claim 1, wherein the supporting bodies (201) are vertically arranged, when the supporting bodies (201) are retracted, the elevator tracks (703) are located inside the supporting bodies (201) which are located inwards, the supporting bodies (201) are sequentially nested from outside to inside, after the supporting bodies (201) are extended, the heights of the supporting bodies (201) are sequentially increased from outside to inside, and the elevator tracks (703) are fixedly connected with the bottoms of the corresponding supporting bodies (201) respectively.
3. A lifting device according to claim 2, characterized in that a discharge rail (702) is arranged on one side of the elevator rail (703) corresponding to the inner support body (201), the discharge rail (702) is slidably connected with the elevator rail (703) corresponding to the support body (201), the discharge rail (702) is parallel to the elevator rail (703), and a lifting unit for driving the discharge rail (702) to lift is arranged on the support body (201).
4. A lifting device according to claim 3, wherein the lifting unit is a lifting hydraulic cylinder (701) of a delivery track, the lifting hydraulic cylinder (701) of the delivery track is consistent with the delivery track (702), the delivery track (702) and the inner supporting body (201) are hinged with one end corresponding to the lifting hydraulic cylinder (701) of the delivery track respectively, after the lifting hydraulic cylinder (701) of the delivery track lifts the delivery track (702), the lift car (704) is lifted and is higher than the inner supporting body (201) under the driving of the driving mechanism, and the delivery track (702) is in sliding fit with the lift car (704).
5. A lifting device according to claim 1, characterized in that the drive means comprise an elevator hoist (705) fixedly arranged on the car (704), and that the inner support body (201) is provided with an elevator wire rope (710) with one end fixedly connected thereto, the other end of the elevator wire rope (710) being wound around a reel of the elevator hoist (705).
6. A hoisting device as claimed in claim 1, characterized in that adjacent elevator tracks (703) are slidingly connected.
7. A lifting device according to claim 1, characterized in that the car (704) is provided with at least one elevator door (706), which elevator door (706) is push-pull.
8. The lifting device according to claim 1, wherein an elevator stabilizing mechanism (712) is arranged on the side surface of the car (704), the elevator stabilizing mechanism (712) comprises a fixed support rod (7121) fixedly connected with the side surface of the car (704), a second stabilizing rod (7126) hinged with the fixed support rod (7121) at one end, a stabilizing wheel (7124) rotatably connected with the other end of the second stabilizing rod (7126) and a gas spring (7125) arranged between the second stabilizing rod (7126) and the fixed support rod (7121), the stabilizing wheel (7124) is propped against the inner side of the supporting body (201), and two ends of the gas spring (7125) are respectively hinged with the second stabilizing rod (7126) and the fixed support rod (7121).
9. The lifting device according to claim 8, wherein the fixed vertical rod (7122) is fixedly connected to the fixed supporting rod (7121), the second stabilizer bar (7126) is hinged to the upper end of the fixed vertical rod (7122), a first stabilizer bar (7123) is further arranged between the second stabilizer bar (7126) and the fixed supporting rod (7121), one end of the first stabilizer bar (7123) is hinged to the lower end of the fixed vertical rod (7122), the other end of the first stabilizer bar is hinged to the second stabilizer bar (7126) near the middle, one end of the gas spring (7125) is hinged to the middle of the first stabilizer bar (7123), and the other end of the gas spring is hinged to the position of the second stabilizer bar (7126) near the stabilizing wheel (7124).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421316186.7U CN222433843U (en) | 2024-06-11 | 2024-06-11 | A lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421316186.7U CN222433843U (en) | 2024-06-11 | 2024-06-11 | A lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222433843U true CN222433843U (en) | 2025-02-07 |
Family
ID=94412609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421316186.7U Active CN222433843U (en) | 2024-06-11 | 2024-06-11 | A lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222433843U (en) |
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2024
- 2024-06-11 CN CN202421316186.7U patent/CN222433843U/en active Active
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