CN216613943U - Platform rotating device and manned pole-climbing device - Google Patents
Platform rotating device and manned pole-climbing device Download PDFInfo
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- CN216613943U CN216613943U CN202123055709.6U CN202123055709U CN216613943U CN 216613943 U CN216613943 U CN 216613943U CN 202123055709 U CN202123055709 U CN 202123055709U CN 216613943 U CN216613943 U CN 216613943U
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Abstract
The utility model relates to a platform rotating device and a manned pole climbing device, wherein the platform rotating device comprises a supporting rack, a working platform and a rotating mechanism, the rotating mechanism comprises an operating rod, a connecting rod, a transmission shaft and a central shaft fixedly arranged on the supporting rack, a rotating bearing is arranged on the central shaft, the working platform is provided with a platform mounting part, a bearing seat is fixedly connected on the rotating bearing, the platform mounting part is fixedly connected with the bearing seat, the connecting rod is arranged perpendicular to the central shaft, one end of the connecting rod is rotatably connected with the central shaft, the other end of the connecting rod is connected with the transmission shaft, the transmission shaft is arranged in parallel with the central shaft, one end of the operating rod is connected with the transmission shaft, and the other end of the operating rod extends onto the working platform. The utility model can push and pull the operating rod at the operating position, drive the working platform to rotate around the central shaft through the connecting rod, and lock and fix the operating rod and the positioning piece of the working platform after reaching the designated position, thereby preventing the platform from rotating accidentally.
Description
Technical Field
The utility model belongs to the technical field of electric power construction auxiliary equipment, and particularly relates to a platform rotating device and a manned pole climbing device.
Background
At present, the operation platform and the rack adopt a pair of gear discs which are meshed up and down to carry out locking and fixing structures, when the platform is rotated, a nut of the gear disc needs to be removed, the gear disc is separated from the lower gear disc by means of the spring to push, an operator rotates the operation platform to a specified position, and then the nut is locked.
By means of the structure, when the operation is required to be rotated, an operator needs to leave the operation platform for operation, and therefore when the operator works high above the ground, the operator is easy to step on the ground to cause accidents.
In view of the above, it is desirable to provide a platform rotating device and a man-carrying pole climbing device including the same, which have simple structure, easy operation and no potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a platform rotating device which is simple in structure and easy to operate and does not have potential safety hazards and a manned pole climbing device comprising the platform rotating device.
The above purpose is realized by the following technical scheme: the utility model provides a platform rotary device, is including supporting frame, work platform and rotary mechanism, rotary mechanism includes action bars, connecting rod, transmission shaft and fixed setting and is in center pin on the support frame, rotating bearing on the center pin, work platform is equipped with the platform installed part, fixedly connected with bearing frame on the rotating bearing, the platform installed part with bearing frame fixed connection, the connecting rod perpendicular to the center pin sets up, the one end of connecting rod with the center pin rotates and connects, and the other end with the transmission shaft is connected, transmission shaft and center pin parallel arrangement, the one end of action bars with the transmission shaft links to each other, and the other end extends to on the work platform.
In the application process, the support frame is fixed at a certain fixed position, the working platform is supported by the support frame, when the working platform needs to be replaced, an operator pushes and pulls the operating rod at the working position of the working platform, the central shaft is fixed, the central shaft counteracts force to the connecting rod, a preset distance exists between the transmission shaft connected with the operating rod and the hinge point of the central shaft and the connecting rod, namely eccentricity exists, the connecting rod counteracts the force to the transmission shaft and the operating rod and then indirectly acts on the operator under the action of torque, and finally the operating platform is driven to rotate along the central shaft under the friction force of the operator and the working platform, and the operating rod is positioned to realize locking and fixing to prevent the platform from rotating accidentally after reaching the appointed position.
The utility model has simple rotating structure and simple and easy operation and has no potential safety hazard.
The technical scheme is that a positioning piece is arranged on the working platform, and the operating rod is detachably connected with the positioning piece through a locking piece. So set up, after work platform reachd the assigned position, realize locking fixedly through fixing a position action bars and setting element, prevent that the platform is unexpected rotatory.
The technical scheme is that the positioning piece is provided with a positioning hole, the operating rod extends to one end of the working platform and is also provided with a plurality of connecting holes, and the locking piece is a fastening bolt or a positioning bolt.
The technical scheme is that the central shaft is provided with a shaft sleeve, the rotating bearing is arranged above the shaft sleeve, and the shaft sleeve is in clearance fit with the central shaft.
The further technical scheme is that a bearing end cover is arranged on the rotating bearing.
In order to achieve the above object, the present invention further provides a manned pole climbing device, comprising a walking mechanism and any one of the above platform rotating devices, wherein the walking mechanism comprises a connecting rod assembly, a first driving wheel assembly, a second driving wheel assembly and an auxiliary guiding member, the first driving wheel assembly and the second driving wheel assembly are respectively arranged at two ends of the connecting rod assembly, the auxiliary guiding member comprises an auxiliary guiding wheel and a movable connecting rod, one end of the movable connecting rod is connected with the auxiliary guiding wheel, the other end of the movable connecting rod is hinged with one end of the connecting rod assembly where the second driving wheel assembly is arranged, one end of the connecting rod assembly where the first driving wheel assembly is arranged is connected with the movable connecting rod through an automatic telescopic part, the first driving wheel assembly and the second driving wheel assembly are respectively provided with a first driving wheel and a second driving wheel, and the first driving wheel, the second driving wheel and the auxiliary guiding wheel are arranged in a triangle shape, one end of the connecting rod assembly, which is provided with the second driving wheel set, is provided with a connecting piece, and the supporting rack is fixedly connected with the connecting piece.
The utility model relates to a vertical rod for a manned climbing pole or a street lamp pole and the like.
The utility model adopts a dual-drive structure, can realize rapid automatic lifting along the vertical rod, has novel structure, high lifting speed, safety and stability, replaces a manual device for climbing, can improve the working efficiency and safety, and ensures the life safety of workers.
The further technical scheme is that an included angle between a connecting line of the center of the first driving wheel and the center of the second driving wheel and a horizontal line is alpha, the center of the first driving wheel and the center of the second driving wheel are L1, the distance between the center of gravity of the manned pole climbing device and the center of the second driving wheel is L2, the friction coefficients of the first driving wheel and the second driving wheel and a pole to be climbed are mu, tan (alpha) is not less than mu, and L2 is not less than 0.5L 1 [ tan (alpha)/(mu-1) ].
In this way, the above formula means that the tangent value of the horizontal included angle between the connecting line of the center lines of the two driving wheels and the vertical rod is greater than or equal to the friction coefficient between the driving wheels and the vertical rod, the distance between the center of gravity of the manned climbing rod device and the second driving wheel is greater than or equal to a preset value, and the preset value is' 0.5L 1 tan (alpha)/(mu-1) ], so that the manned climbing rod device is stabilized on the vertical rod by using the structure self-locking principle, unintended movement does not occur, and the driving wheels are in a locked state under the self-locking condition.
The technical scheme is that the first driving wheel set and the second driving wheel set both comprise driving motors, the first driving wheel and the second driving wheel are respectively fixed on driving shafts, output shafts of the driving motors are connected with the driving shafts after passing through speed reducers, the driving shafts are rotatably connected with the connecting rod assemblies, and the driving motors are provided with band-type brake systems. The driving motor can use a battery or a generator set as a power source, the band-type brake system brakes or releases the band-type brake as required, and meanwhile, the manned pole climbing device is stabilized on the vertical rod through the self-locking principle of the structure.
The further technical scheme is that the automatic telescopic piece is an air spring, a hydraulic rod or an electric telescopic rod.
Compared with the prior art, the utility model can push and pull the operating rod at the operation position, drive the working platform to rotate around the central shaft through the connecting rod, lock and fix the operating rod and the positioning piece of the working platform after reaching the designated position, prevent the platform from rotating accidentally, and has simple rotating structure, simple operation and no potential safety hazard; meanwhile, the self-locking structure is utilized to be stabilized on the vertical rod, the structure is simple and optimized, the machining, the assembly and the operation are simple and convenient, the realization is convenient, the cost is low, the safety and the stability are realized, the working efficiency and the safety are improved, and the life safety of workers is guaranteed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
Fig. 1 is a schematic view of an application scenario of a manned pole-climbing device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a connection structure of a portion A of the climbing apparatus, i.e., a platform rotating apparatus, according to an embodiment of the present invention;
FIG. 3 is a sectional axial view of a partial connection structure of a table rotating means according to an embodiment of the present invention;
fig. 4 is a force-bearing schematic view of the man-carrying climbing pole device according to an embodiment of the present invention in an applied state.
In the figure:
1 working platform 2 supporting rack 3 operating rod 4 transmission shaft
5 connecting rod assembly 6 auxiliary guide wheel 7 automatic telescopic part 8 movable connecting rod
9 first driving wheel 10 second driving wheel 11 bearing end cover 12 driving motor
13 center shaft 14 rotating bearing 15 upright rod 16 platform mounting piece
17 bearing block 18 positioning piece 19 shaft sleeve 20 connecting rod
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the utility model is as follows, referring to fig. 2 and 3, a platform rotating device comprises a supporting rack 2, a working platform 1 and a rotating mechanism, wherein the rotating mechanism comprises an operating rod 3, a connecting rod 20, a transmission shaft 4 and a central shaft 13 fixedly arranged on the supporting rack 2, a rotating bearing 14 is arranged on the central shaft 13, the working platform 1 is provided with a platform mounting piece 16, a bearing seat 17 is fixedly connected onto the rotating bearing 14, the platform mounting piece 16 is fixedly connected with the bearing seat 17, the connecting rod 20 is arranged perpendicular to the central shaft 13, one end of the connecting rod 20 is rotatably connected with the central shaft 13, the other end of the connecting rod 20 is connected with the transmission shaft 4, the transmission shaft 4 is arranged in parallel with the central shaft 13, one end of the operating rod 3 is connected with the transmission shaft 4, and the other end of the operating rod extends onto the working platform 1.
In the application process of the utility model, as shown in fig. 1-3, a supporting frame 2 is fixed at a certain fixed position, a working platform 1 is supported by the supporting frame 2, when the working platform 1 needs to be replaced, an operator pushes and pulls an operating rod 3 at the working position of the working platform 1, because a central shaft 13 is fixed, the central shaft 13 counteracts force on a connecting rod 20, a preset distance exists between a transmission shaft 4 connected with the operating rod 3 and a hinge point of the central shaft 13 and the connecting rod 20, namely, eccentricity exists, under the action of torque, the connecting rod 20 counteracts the force on the transmission shaft 4 and the operating rod 3 and then indirectly acts on the operator, finally, the working platform 1 is driven to rotate along the central shaft 13 under the friction force of the operator and the working platform 1, and the operating rod 3 is positioned to realize locking and fixing after reaching a specified position, so as to prevent the platform from rotating accidentally.
The utility model has simple rotating structure and simple and easy operation and has no potential safety hazard.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 3, a positioning member 18 is disposed on the working platform 1, and the operating rod 3 is detachably connected to the positioning member 18 through a locking member. So set up, after work platform 1 reachd the assigned position, realize locking fixedly through fixing a position operating rod 3 and setting element 18, prevent that the platform is unexpected rotatory.
On the basis of the above embodiment, in another embodiment of the present invention, the positioning member 18 is provided with a positioning hole, one end of the operating rod 3 extending to the working platform 1 is also provided with a plurality of connecting holes, and the locking member is a fastening bolt or a positioning bolt.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the central shaft 13 is provided with a shaft sleeve 19, the rotating bearing 14 is arranged above the shaft sleeve 19, and the shaft sleeve 19 is in clearance fit with the central shaft 13.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the rotating bearing 14 is provided with a bearing cover 11.
The utility model also provides a manned pole climbing device, which comprises a walking mechanism and any one of the platform rotating devices, as shown in fig. 1, wherein the walking mechanism comprises a connecting rod assembly 5, a first driving wheel 9 group, a second driving wheel 10 group and an auxiliary guide member, the first driving wheel 9 group and the second driving wheel 10 group are respectively arranged at two ends of the connecting rod assembly 5, the auxiliary guide member comprises an auxiliary guide wheel 6 and a movable connecting rod 8, one end of the movable connecting rod 8 is connected with the auxiliary guide wheel 6, the other end of the movable connecting rod 8 is hinged with one end of the connecting rod assembly 5, which is provided with the second driving wheel 10 group, one end of the connecting rod assembly 5, which is provided with the first driving wheel 9 group, is connected with the movable connecting rod 8 through an automatic telescopic part 7, the first driving wheel 9 group and the second driving wheel 10 group are respectively provided with the first driving wheel 9 and the second driving wheel 10, first drive wheel 9, second drive wheel 10 and supplementary leading wheel 6 are the triangle-shaped setting, the one end that link assembly 5 set up second drive wheel 10 group is equipped with the connecting piece, support frame 2 with connecting piece fixed connection.
In the application process of the vertical rod 15 used for people to climb up an electric pole or a street lamp pole and the like, the vertical rod 15 penetrates through the connecting rod assembly 5, the first driving wheel 9 group and the second driving wheel 10 group are respectively positioned at two sides of the vertical rod 15 and respectively abut against the vertical rod 15, the first driving wheel 9 group is arranged above the second driving wheel 10 group, the auxiliary guide wheel 6 and the first driving wheel 9 group are arranged at the same side of the vertical rod 15, the auxiliary guide wheel 6 is arranged below the first driving wheel 9 group, and the connecting rod assembly 5 can ensure that the auxiliary guide wheel 6 is always pressed on the vertical rod 15 through the automatic telescopic piece 7.
The utility model adopts a dual-drive structure, can realize rapid automatic lifting along the upright stanchion 15, has novel structure, high lifting speed, safety and stability, replaces a manual device to climb, can improve work efficiency and safety, and ensures the life safety of workers.
In another embodiment of the present invention, as shown in fig. 4, an angle between a line connecting the center of the first driving wheel 9 and the center of the second driving wheel 10 and the horizontal line is α, an angle between the center of the first driving wheel 9 and the center of the second driving wheel 10 is L1, a distance between the center of gravity of the people climbing device and the center of the second driving wheel 10 is L2, a friction coefficient between the first driving wheel 9, the second driving wheel 10 and the vertical pole 15 to be climbed is μ, tan (α) is ≧ μ, and L2 is ≥ 0.5 ≥ L1 [ tan (α)/(μ -1) ]. In this way, the above formula means that the tangent value of the horizontal included angle between the connecting line of the center lines of the two driving wheels and the vertical rod 15 is greater than or equal to the friction coefficient between the driving wheels and the vertical rod 15, and the distance between the center of gravity of the manned climbing rod device and the second driving wheel 10 is greater than or equal to a predetermined value, and the predetermined value is "0.5L 1 tan (α)/(μ -1) ]", so that the manned climbing rod device is stabilized on the vertical rod 15 by using the structural self-locking principle, unintended movement does not occur, and the driving wheels are in a locked state under the self-locking condition.
The theoretical calculation of the self-locking structure is as follows:
the centers of the first driving wheel 9 and the first driving wheel 9 are O1 and O2 respectively, the center distance of the two wheels is L1, and the included angle between the center lines of the two wheels and the horizontal direction is alpha;
the distance between the gravity center of the manned pole climbing device and the rated load thereof and O2 is L2;
the positive pressure of the upright on the first driving wheel 9 and the second driving wheel 10 is respectively F1 and F2, the friction force is respectively F1 and F2, and the friction coefficient of the driving wheel and the upright 15 is mu;
and has the following components: f1 ═ F2, F1 ═ μ × F1, F2 ═ μ × F2;
the climbing rod device is stressed and balanced in the vertical direction:
f1+ f2 is G, and G is the gravity borne by the manned pole climbing device and the rated load;
the climbing rod device is in moment balance to the point O2:
G*L2*COS(α)+f1*L1*COS(α)＝F1*L1*SIN(α)
from the above equation it follows:
L2＝0.5*L1*[tan(α)/(μ-1)]
on the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, each of the first driving wheel 9 set and the second driving wheel 10 set further includes a driving motor 12, the first driving wheel 9 and the second driving wheel 10 are respectively fixed on a driving shaft, an output shaft of the driving motor 12 is connected to the driving shaft through a speed reducer, the driving shaft is rotatably connected to the connecting rod assembly 5, and the driving motor 12 is provided with a band-type brake system. The driving motor 12 can use a battery or a generator set as a power source, the band-type brake system brakes or releases the band-type brake according to needs, and meanwhile, the manned pole climbing device is stabilized on the vertical rod 15 through the self-locking principle of the structure.
On the basis of the above embodiment, in another embodiment of the present invention, the automatic telescopic member 7 is a gas spring, a hydraulic rod or an electric telescopic rod.
In another embodiment of the present invention, based on the above embodiment, the auxiliary guide wheel 6 is a V-shaped wheel, and the first driving wheel 9 and the second driving wheel 10 are arc-shaped and wide rubber rollers.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a platform rotary device, its characterized in that, is including supporting frame, work platform and rotary mechanism, rotary mechanism includes action bars, connecting rod, transmission shaft and fixed setting and is in center pin in the support frame, swivel bearing on the center pin, work platform is equipped with the platform installed part, fixedly connected with bearing frame on the swivel bearing, the platform installed part with bearing frame fixed connection, the connecting rod perpendicular to the center pin sets up, the one end of connecting rod with the center pin rotates to be connected, the other end with the transmission shaft is connected, transmission shaft and center pin parallel arrangement, the one end of action bars with the transmission shaft links to each other, and the other end extends to work platform is last.
2. The platform rotating device as claimed in claim 1, wherein a positioning member is provided on the working platform, and the operating lever is detachably connected to the positioning member through a locking member.
3. The platform rotating device as claimed in claim 2, wherein the positioning member is provided with a positioning hole, the end of the operating rod extending to the working platform is also provided with a plurality of connecting holes, and the locking member is a fastening bolt or a positioning bolt.
4. The platform rotation device of claim 2, wherein the central shaft is provided with a bushing, the rotational bearing being disposed above the bushing, the bushing being in clearance fit with the central shaft.
5. The platform rotation device of claim 4, wherein the slew bearing has a bearing cap thereon.
6. A manned pole climbing device is characterized by comprising a walking mechanism and a platform rotating device according to any one of claims 1 to 5, wherein the walking mechanism comprises a connecting rod assembly, a first driving wheel assembly, a second driving wheel assembly and an auxiliary guide member, the first driving wheel assembly and the second driving wheel assembly are respectively arranged at two ends of the connecting rod assembly, the auxiliary guide member comprises an auxiliary guide wheel and a movable connecting rod, one end of the movable connecting rod is connected with the auxiliary guide wheel, the other end of the movable connecting rod is hinged with one end of the connecting rod assembly, which is provided with the second driving wheel assembly, one end of the connecting rod assembly, which is provided with the first driving wheel assembly, is connected with the movable connecting rod through an automatic telescopic piece, the first driving wheel assembly and the second driving wheel assembly are respectively provided with a first driving wheel and a second driving wheel, and the first driving wheel, the second driving wheel and the auxiliary guide wheel are arranged in a triangular shape, one end of the connecting rod assembly, which is provided with the second driving wheel set, is provided with a connecting piece, and the supporting rack is fixedly connected with the connecting piece.
7. The people-climbing device according to claim 6, wherein an angle α is formed between a line connecting the center of the first driving wheel and the center of the second driving wheel and a horizontal line, the center of the first driving wheel and the center of the second driving wheel is L1, the distance between the center of gravity of the people-climbing device and the center of the second driving wheel is L2, the friction coefficient between the first driving wheel and the pole to be climbed is μ, tan (α) is ≧ μ, and L2 is ≥ 0.5L 1 [ tan (α)/(μ -1) ].
8. The manned pole climbing device according to claim 7, wherein the first driving wheel set and the second driving wheel set each further comprise a driving motor, the first driving wheel and the second driving wheel are respectively fixed on a driving shaft, an output shaft of the driving motor is connected with the driving shaft through a speed reducer, the driving shaft is rotatably connected with the connecting rod assembly, and the driving motor is provided with a band-type brake system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123055709.6U CN216613943U (en) | 2021-12-07 | 2021-12-07 | Platform rotating device and manned pole-climbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123055709.6U CN216613943U (en) | 2021-12-07 | 2021-12-07 | Platform rotating device and manned pole-climbing device |
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| Publication Number | Publication Date |
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| CN216613943U true CN216613943U (en) | 2022-05-27 |
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|---|---|---|---|
| CN202123055709.6U Active CN216613943U (en) | 2021-12-07 | 2021-12-07 | Platform rotating device and manned pole-climbing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117246961A (en) * | 2023-11-14 | 2023-12-19 | 上海安伯工业设备有限公司 | Liftable aerial work platform |
-
2021
- 2021-12-07 CN CN202123055709.6U patent/CN216613943U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117246961A (en) * | 2023-11-14 | 2023-12-19 | 上海安伯工业设备有限公司 | Liftable aerial work platform |
| CN117246961B (en) * | 2023-11-14 | 2024-02-06 | 上海安伯工业设备有限公司 | Liftable aerial work platform |
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