CN210103333U - Door seat headstock gear - Google Patents

Door seat headstock gear Download PDF

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Publication number
CN210103333U
CN210103333U CN201920889059.9U CN201920889059U CN210103333U CN 210103333 U CN210103333 U CN 210103333U CN 201920889059 U CN201920889059 U CN 201920889059U CN 210103333 U CN210103333 U CN 210103333U
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China
Prior art keywords
trolley
platform
fixedly connected
motor
travelling mechanism
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CN201920889059.9U
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Chinese (zh)
Inventor
陈旭
杨芳
范如谷
徐建洪
黄文峰
周任伟
裘伟
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Sinohydro Bureau 7 Co Ltd
Sinohydro Jiajiang Hydraulic Machinery Co Ltd
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Sinohydro Bureau 7 Co Ltd
Sinohydro Jiajiang Hydraulic Machinery Co Ltd
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Abstract

The utility model discloses a gate seat headstock gear belongs to water conservancy water and electricity mechanical equipment field, including trolley frame, dolly running gear, portal and cart running gear, its characterized in that: the gantry crane is characterized by further comprising an arm support, an electric hoist and a rotary platform, wherein a balancing weight is fixedly connected to the end of the arm support, a trolley track is arranged on the side wall of the arm support, a trolley travelling mechanism is hung on the trolley track, the top of the trolley frame is connected with the trolley travelling mechanism, the bottom of the trolley frame is connected with the electric hoist, the gantry comprises a supporting platform, door legs, a middle cross beam and a lower cross beam, a rotary bearing is arranged on the supporting platform, a motor, a first speed reducer and a pinion are fixed on the rotary platform, the motor is connected with the first speed reducer, the pinion is installed on the first speed reducer, and the pinion. The utility model discloses the cantilever crane can realize the free rotation on the whole horizontal direction, and the dolly can be followed the cantilever crane axial walking to can lift by crane the scope work at the difference, the flexibility is strong, and work efficiency is high.

Description

Door seat headstock gear
Technical Field
The utility model relates to water conservancy water and electricity mechanical equipment technical field especially relates to a door seat headstock gear.
Background
Gate seat hoists are commonly used for port handling and large building site construction. The gate seat hoist belongs to one kind of crane and is used in opening and closing dam gate or trash rack. The opening and closing force of the hoist is the weight of the gate, the friction force between the gate and the gate slot and the downward suction force of the gate. The gate seat hoist is not applied to hydropower stations at home, and a gate hoist is generally used in the hydropower stations.
Common in hydraulic and hydroelectric engineering is a common gantry hoist, which is a mechanical device used for opening or closing a gate or for loading and unloading equipment. The common gantry hoist can only travel along a linear track in a single direction to hoist a plurality of gates of one water gate, and the working range is small. When a plurality of water gates are arranged at the upstream and the downstream of the hub project, a plurality of gantry hoists are required to be additionally arranged, so that the project investment is greatly increased; the gantry hoists are limited by the working range and cannot operate in operation places in different linear ranges, so that the gantry hoists are low in equipment utilization rate, not beneficial to saving engineering investment, poor in flexibility and not beneficial to improving the working efficiency.
Chinese patent publication No. CN 207419401U, publication No. 20180529, discloses a combined gate hoist for water conservancy and hydropower industry, which is characterized in that: the gate opening and closing mechanism is provided with a gate; the gate opening and closing mechanism is arranged on the gate opening and closing machine trolley and can realize opening, closing and transferring of the gate along with the bidirectional movement of the gate opening and closing machine and the gate opening and closing machine trolley; the left bank and the right bank at the upstream of the portal structure are respectively provided with a slewing mechanism; the end part of each slewing mechanism is provided with a trash cleaning grab bucket; a dirt cleaning scraper bucket is arranged on the upstream side of the portal structure; the trash removal scraper bucket is matched with the turnover mechanism, and trash of the trash rack cleaned by the trash removal scraper bucket is collected; the turnover mechanism is arranged on the lower portion of the upstream side leg of the portal structure.
The combined gate hoist disclosed by the patent document in the water conservancy and hydropower industry integrates the functions of opening and closing a gate and cleaning dirt, and can realize the functions of opening and closing the gate and cleaning dirt simultaneously, but the operation range of a trolley is still limited, the coverage is small, the flexibility is poor, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art's defect, provide a gate seat headstock gear, the utility model discloses the cantilever crane can realize the free rotation on the whole horizontal direction, and the dolly can be followed cantilever crane axial walking to can lift by crane the scope work at the difference, the flexibility is strong, and work efficiency is high.
The utility model discloses a following technical scheme realizes:
the utility model provides a door seat headstock gear, includes trolley frame, dolly running gear, portal and fixes the cart running gear in the portal bottom, its characterized in that: the electric hoist comprises an arm frame, an electric hoist and a rotary platform connected on the arm frame, wherein the end part of the arm frame is fixedly connected with a balancing weight, the balancing weight is positioned on one side of the rotary platform, a trolley frame is positioned on the other side of the rotary platform, a trolley track for the trolley travelling mechanism to travel is arranged on the side wall of the arm frame, the trolley travelling mechanism is suspended on the trolley track, the top of the trolley frame is fixedly connected with the trolley travelling mechanism, the bottom of the trolley frame is fixedly connected with the electric hoist, the door frame comprises a supporting platform, door legs, a middle cross beam and a lower cross beam, the supporting platform is fixed on the tops of the door legs, the middle cross beam is fixedly connected with the middle parts of the door legs, the lower cross beam is fixedly connected with the lower parts of the door legs, a rotary support is arranged on the supporting platform, a motor, a first speed reducer and a, the small gear is meshed with the large gear of the slewing bearing, the outer ring of the slewing bearing is fixed on the supporting platform, and the inner ring of the slewing bearing is fixed on the slewing platform.
The trolley frame comprises a first stand column, a second stand column, a third stand column, a fourth stand column and a bearing platform, the top end of the first stand column is fixedly connected with a trolley travelling mechanism, the bottom end of the first stand column is fixedly connected with the bearing platform, the top end of the second stand column is fixedly connected with the trolley travelling mechanism, the bottom end of the second stand column is fixedly connected with the bearing platform, the top end of the third stand column is fixedly connected with the trolley travelling mechanism, the bottom end of the third stand column is fixedly connected with the bearing platform, the top end of the fourth stand column is fixedly connected with the trolley travelling mechanism, the bottom end of the fourth stand column is fixedly connected with the bearing platform, and the electric hoist is mounted on the bearing platform.
The trolley travelling mechanism comprises trolley wheels, a second speed reducer and a first motor, the first motor is connected with the trolley wheels through the second speed reducer, and the trolley wheels are hung on the trolley tracks.
The cart travelling mechanism comprises a second motor, a brake, a third speed reducer and cart wheels, the second motor is fixed on a lower cross beam of the gantry, the brake is installed on the second motor, and the second motor is connected with the cart wheels through the third speed reducer.
The side wall of the arm support is fixedly connected with a grid baffle which is positioned above the trolley track, and a reflective warning strip is bonded on the grid baffle.
The side wall of the arm support is fixedly connected with a limiting block, the cross section of the limiting block is U-shaped, and the trolley frame is located between the rotary platform and the limiting block.
The cross section of the supporting platform is circular, the number of the door legs is four, the number of the middle cross beams is four, the number of the lower cross beams is two, any two adjacent door legs are connected through one middle cross beam, one lower cross beam is connected between the two adjacent door legs, and the two lower cross beams are parallel.
The working principle of the utility model is as follows:
the trolley travelling mechanism can axially travel along the arm support when in work, so that the electric hoist at the bottom of the trolley frame is driven to axially travel along the arm support, and the balance of the trolley frame can be kept due to the fact that the end part of the arm support is fixedly connected with the balancing weight, so that the lifting balance is guaranteed; a pinion on the rotary platform is meshed with a large gear of a rotary bearing on the supporting platform, the pinion is driven by a motor through a first speed reducer and rotates to move around the large gear in a planetary mode, so that the rotary platform and the arm support are driven to rotate, the rotary angle reaches 360 degrees, the rotary bearing can stabilize the meshing relation of the gears, the influence of stress deformation of the structure is avoided, and the working stability is guaranteed.
The beneficial effects of the utility model are mainly expressed in the following aspect:
the utility model relates to a, the utility model discloses, the tip fixedly connected with balancing weight of cantilever crane, the balancing weight is located one side of revolving platform, dolly frame is located the opposite side of revolving platform, be provided with the dolly track that is used for dolly running gear to walk on the lateral wall of cantilever crane, dolly running gear hangs on the dolly track, the top of dolly frame and dolly running gear fixed connection, the bottom of dolly frame and electric hoist fixed connection, the portal includes supporting platform, the door leg, middle cross beam and bottom end rail, supporting platform fixes at the top of door leg, middle cross beam and the middle part fixed connection of door leg, the bottom end rail and the lower part fixed connection of door leg, the supporting platform is provided with slewing bearing, be fixed with the motor on the revolving platform, first reduction gear and pinion, the motor is connected with first reduction gear, the pinion is installed on first reduction gear, pinion and the gear engagement of slewing bearing, slewing bearing's outer lane is fixed on, the inner ring of the slewing bearing is fixed on the slewing platform, the trolley track for the trolley travelling mechanism to travel is arranged on the side wall of the arm support, the trolley travelling mechanism is hung on the trolley track, the top of the trolley frame is fixedly connected with the trolley travelling mechanism, and the bottom of the trolley frame is fixedly connected with the electric hoist; compared with the prior art, the cantilever crane can realize free rotation in the whole horizontal direction, and the trolley can axially walk along the cantilever crane, so that the trolley can work in different hoisting ranges, and has strong flexibility and high working efficiency. Second, the utility model discloses, the dolly frame includes first stand, the second stand, the third stand, fourth stand and load-bearing platform, the top and the dolly running gear fixed connection of first stand, the bottom and the load-bearing platform fixed connection of first stand, the top and the dolly running gear fixed connection of second stand, the bottom and the load-bearing platform fixed connection of second stand, the top and the dolly running gear fixed connection of third stand, the bottom and the load-bearing platform fixed connection of third stand, the top and the dolly running gear fixed connection of fourth stand, the bottom and the load-bearing platform fixed connection of fourth stand, the electric hoist is installed on load-bearing platform, dolly frame simple structure, be convenient for the installation of electric hoist, good stability has.
Thirdly, the utility model discloses, dolly running gear includes trolley wheel, second reduction gear and first motor, and first motor passes through the second reduction gear and is connected with trolley wheel, and trolley wheel hangs on the dolly track, has simple structure, and stability is good, convenient to use's characteristics.
Fourth, the utility model discloses, cart running gear includes second motor, stopper, third reduction gear and cart wheel, and the second motor is fixed on the bottom end rail of portal, and the stopper is installed on the second motor, and the second motor passes through third reduction gear and cart wheel connection, can effectively ensure that whole gate seat headstock gear smoothly walks along the track on the dam, does benefit to and improves the operating efficiency.
Fifth, the utility model discloses, fixedly connected with net baffle on the lateral wall of cantilever crane, net baffle are located the orbital top of dolly, and it has reflection of light warning strip to bond on the net baffle, has the warning effect, does benefit to and improves the operation security.
Six, the utility model discloses, fixedly connected with stopper on the lateral wall of cantilever crane, the transversal "U" type of personally submitting of stopper, dolly frame are located between rotary platform and the stopper, and the stopper has limiting displacement, can restrict the slip stroke of dolly, and then the guarantee safety lifts by crane.
Seventhly, the utility model discloses, supporting platform's transversal is personally submitted circularly, and the gateleg is four, and the entablature is four, and the bottom end rail is two, connects through a entablature between two arbitrary adjacent gatelegs, is connected with a bottom end rail between two adjacent gatelegs, and two bottom end rails parallel for whole portal is the axisymmetric structure, and rotary platform and cantilever crane can revolve around portal vertical axis through gyration support, and the atress is clear and definite, has good structural strength.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the trolley frame of the present invention;
fig. 3 is a side view of the present invention;
the labels in the figure are: 1. the device comprises a trolley frame, 2, a trolley travelling mechanism, 3, a gantry, 4, a trolley travelling mechanism, 5, an arm support, 6, an electric hoist, 7, a rotary platform, 8, a balancing weight, 9, a trolley track, 10, a supporting platform, 11, door legs, 12, a middle cross beam, 13, a lower cross beam, 14, a rotary support, 15, a motor, 16, a first speed reducer, 17, a pinion, 18, a gearwheel, 19, a first upright column, 20, a second upright column, 21, a third upright column, 22, a fourth upright column, 23, a bearing platform, 24, a trolley wheel, 25, a second speed reducer, 26, a first motor, 27, a second motor, 28, a brake, 29, a third speed reducer, 30, a trolley wheel, 31, a grid baffle, 32, a light reflection warning strip, 33 and a limiting block.
Detailed Description
Example 1
Referring to fig. 1, a gate seat hoist comprises a trolley frame 1, a trolley travelling mechanism 2, a gate frame 3, a cart travelling mechanism 4 fixed at the bottom of the gate frame 3, an arm support 5, an electric hoist 6 and a rotary platform 7 connected on the arm support 5, wherein the end part of the arm support 5 is fixedly connected with a counterweight 8, the counterweight 8 is positioned at one side of the rotary platform 7, the trolley frame 1 is positioned at the other side of the rotary platform 7, a trolley track 9 for the trolley travelling mechanism 2 to travel is arranged on the side wall of the arm support 5, the trolley travelling mechanism 2 is hung on the trolley track 9, the top of the trolley frame 1 is fixedly connected with the trolley travelling mechanism 2, the bottom of the trolley frame 1 is fixedly connected with the electric hoist 6, the gate frame 3 comprises a supporting platform 10, a gate leg 11, a middle cross beam 12 and a lower cross beam 13, the supporting platform 10 is fixed at the top of the gate leg 11, the middle cross beam, the lower cross beam 13 is fixedly connected with the lower portion of the door leg 11, the support platform 10 is provided with a slewing bearing 14, the slewing platform 7 is fixed with a motor 15, a first speed reducer 16 and a pinion 17, the motor 15 is connected with the first speed reducer 16, the pinion 17 is installed on the first speed reducer 16, the pinion 17 is meshed with a gearwheel 18 of the slewing bearing 14, the outer ring of the slewing bearing 14 is fixed on the support platform 10, and the inner ring of the slewing bearing 14 is fixed on the slewing platform 7.
The embodiment is the most basic implementation mode, and the trolley frame, the trolley travelling mechanism and the cart travelling mechanism in the prior art are only needed. The end part of the arm frame is fixedly connected with a balancing weight, the balancing weight is positioned on one side of the rotary platform, the trolley frame is positioned on the other side of the rotary platform, a trolley track for the trolley travelling mechanism to travel is arranged on the side wall of the arm frame, the trolley travelling mechanism is hung on the trolley track, the top of the trolley frame is fixedly connected with the trolley travelling mechanism, the bottom of the trolley frame is fixedly connected with an electric hoist, the door frame comprises a supporting platform, a door leg, a middle cross beam and a lower cross beam, the supporting platform is fixed on the top of the door leg, the middle cross beam is fixedly connected with the middle part of the door leg, the lower cross beam is fixedly connected with the lower part of the door leg, a rotary support is arranged on the supporting platform, a motor, a first speed reducer and a pinion are fixed on the rotary platform, the motor is connected with the first speed reducer, the pinion is, the inner ring of the slewing bearing is fixed on the slewing platform, the trolley track for the trolley travelling mechanism to travel is arranged on the side wall of the arm support, the trolley travelling mechanism is hung on the trolley track, the top of the trolley frame is fixedly connected with the trolley travelling mechanism, and the bottom of the trolley frame is fixedly connected with the electric hoist; compared with the prior art, the cantilever crane can realize free rotation in the whole horizontal direction, and the trolley can axially walk along the cantilever crane, so that the trolley can work in different hoisting ranges, and has strong flexibility and high working efficiency.
Example 2
Referring to fig. 1 and 2, a gate seat hoist comprises a trolley frame 1, a trolley travelling mechanism 2, a gate frame 3, a cart travelling mechanism 4 fixed at the bottom of the gate frame 3, an arm support 5, an electric hoist 6 and a rotary platform 7 connected on the arm support 5, wherein the end part of the arm support 5 is fixedly connected with a counterweight 8, the counterweight 8 is positioned at one side of the rotary platform 7, the trolley frame 1 is positioned at the other side of the rotary platform 7, a trolley track 9 for the trolley travelling mechanism 2 to travel is arranged on the side wall of the arm support 5, the trolley travelling mechanism 2 is hung on the trolley track 9, the top of the trolley frame 1 is fixedly connected with the trolley travelling mechanism 2, the bottom of the trolley frame 1 is fixedly connected with the electric hoist 6, the gate frame 3 comprises a supporting platform 10, gate legs 11, a middle cross beam 12 and a lower cross beam 13, the supporting platform 10 is fixed at the top of the gate legs 11, the middle cross beam 12 is, the lower cross beam 13 is fixedly connected with the lower portion of the door leg 11, the support platform 10 is provided with a slewing bearing 14, the slewing platform 7 is fixed with a motor 15, a first speed reducer 16 and a pinion 17, the motor 15 is connected with the first speed reducer 16, the pinion 17 is installed on the first speed reducer 16, the pinion 17 is meshed with a gearwheel 18 of the slewing bearing 14, the outer ring of the slewing bearing 14 is fixed on the support platform 10, and the inner ring of the slewing bearing 14 is fixed on the slewing platform 7.
The trolley frame 1 comprises a first upright column 19, a second upright column 20, a third upright column 21, a fourth upright column 22 and a bearing platform 23, the top end of the first upright column 19 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the first upright column 19 is fixedly connected with the bearing platform 23, the top end of the second upright column 20 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the second upright column 20 is fixedly connected with the bearing platform 23, the top end of the third upright column 21 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the third upright column 21 is fixedly connected with the bearing platform 23, the top end of the fourth upright column 22 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the fourth upright column 22 is fixedly connected with the bearing platform 23, and the electric hoist 6 is installed on the bearing platform 23.
The embodiment is a preferred embodiment, the trolley frame comprises a first upright, a second upright, a third upright, a fourth upright and a bearing platform, the top end of the first upright is fixedly connected with the trolley travelling mechanism, the bottom end of the first upright is fixedly connected with the bearing platform, the top end of the second upright is fixedly connected with the trolley travelling mechanism, the bottom end of the second upright is fixedly connected with the bearing platform, the top end of the third upright is fixedly connected with the trolley travelling mechanism, the bottom end of the third upright is fixedly connected with the bearing platform, the top end of the fourth upright is fixedly connected with the trolley travelling mechanism, the bottom end of the fourth upright is fixedly connected with the bearing platform, the electric hoist is mounted on the bearing platform, the trolley frame is simple in structure, the electric hoist can be mounted conveniently, and the trolley frame has good stability.
Example 3
Referring to fig. 1-3, a gate seat hoist comprises a trolley frame 1, a trolley travelling mechanism 2, a gate frame 3, a cart travelling mechanism 4 fixed at the bottom of the gate frame 3, an arm support 5, an electric hoist 6 and a rotary platform 7 connected on the arm support 5, wherein the end of the arm support 5 is fixedly connected with a counterweight 8, the counterweight 8 is positioned at one side of the rotary platform 7, the trolley frame 1 is positioned at the other side of the rotary platform 7, a trolley track 9 for the trolley travelling mechanism 2 to travel is arranged on the side wall of the arm support 5, the trolley travelling mechanism 2 is suspended on the trolley track 9, the top of the trolley frame 1 is fixedly connected with the trolley travelling mechanism 2, the bottom of the trolley frame 1 is fixedly connected with the electric hoist 6, the gate frame 3 comprises a supporting platform 10, gate legs 11, a middle cross beam 12 and a lower cross beam 13, the supporting platform 10 is fixed at the tops of the gate legs 11, the middle cross beam 12 is fixedly, the lower cross beam 13 is fixedly connected with the lower portion of the door leg 11, the support platform 10 is provided with a slewing bearing 14, the slewing platform 7 is fixed with a motor 15, a first speed reducer 16 and a pinion 17, the motor 15 is connected with the first speed reducer 16, the pinion 17 is installed on the first speed reducer 16, the pinion 17 is meshed with a gearwheel 18 of the slewing bearing 14, the outer ring of the slewing bearing 14 is fixed on the support platform 10, and the inner ring of the slewing bearing 14 is fixed on the slewing platform 7.
The trolley frame 1 comprises a first upright column 19, a second upright column 20, a third upright column 21, a fourth upright column 22 and a bearing platform 23, the top end of the first upright column 19 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the first upright column 19 is fixedly connected with the bearing platform 23, the top end of the second upright column 20 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the second upright column 20 is fixedly connected with the bearing platform 23, the top end of the third upright column 21 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the third upright column 21 is fixedly connected with the bearing platform 23, the top end of the fourth upright column 22 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the fourth upright column 22 is fixedly connected with the bearing platform 23, and the electric hoist 6 is installed on the bearing platform 23.
The trolley travelling mechanism 2 comprises trolley wheels 24, a second speed reducer 25 and a first motor 26, the first motor 26 is connected with the trolley wheels 24 through the second speed reducer 25, and the trolley wheels 24 are hung on the trolley rails 9.
The cart travelling mechanism 4 comprises a second motor 27, a brake 28, a third speed reducer 29 and cart wheels 30, wherein the second motor 27 is fixed on the lower cross beam 13 of the gantry 3, the brake 28 is installed on the second motor 27, and the second motor 27 is connected with the cart wheels 30 through the third speed reducer 29.
In another preferred embodiment, the trolley traveling mechanism comprises trolley wheels, a second speed reducer and a first motor, the first motor is connected with the trolley wheels through the second speed reducer, and the trolley wheels are suspended on the trolley rails.
The cart travelling mechanism comprises a second motor, a brake, a third speed reducer and cart wheels, the second motor is fixed on a lower cross beam of the gantry, the brake is installed on the second motor, and the second motor is connected with the cart wheels through the third speed reducer, so that the whole gate seat hoist can be effectively guaranteed to smoothly travel along a track on a dam, and the operation efficiency is improved.
Example 4
Referring to fig. 1-3, a gate seat hoist comprises a trolley frame 1, a trolley travelling mechanism 2, a gate frame 3, a cart travelling mechanism 4 fixed at the bottom of the gate frame 3, an arm support 5, an electric hoist 6 and a rotary platform 7 connected on the arm support 5, wherein the end of the arm support 5 is fixedly connected with a counterweight 8, the counterweight 8 is positioned at one side of the rotary platform 7, the trolley frame 1 is positioned at the other side of the rotary platform 7, a trolley track 9 for the trolley travelling mechanism 2 to travel is arranged on the side wall of the arm support 5, the trolley travelling mechanism 2 is suspended on the trolley track 9, the top of the trolley frame 1 is fixedly connected with the trolley travelling mechanism 2, the bottom of the trolley frame 1 is fixedly connected with the electric hoist 6, the gate frame 3 comprises a supporting platform 10, gate legs 11, a middle cross beam 12 and a lower cross beam 13, the supporting platform 10 is fixed at the tops of the gate legs 11, the middle cross beam 12 is fixedly, the lower cross beam 13 is fixedly connected with the lower portion of the door leg 11, the support platform 10 is provided with a slewing bearing 14, the slewing platform 7 is fixed with a motor 15, a first speed reducer 16 and a pinion 17, the motor 15 is connected with the first speed reducer 16, the pinion 17 is installed on the first speed reducer 16, the pinion 17 is meshed with a gearwheel 18 of the slewing bearing 14, the outer ring of the slewing bearing 14 is fixed on the support platform 10, and the inner ring of the slewing bearing 14 is fixed on the slewing platform 7.
The trolley frame 1 comprises a first upright column 19, a second upright column 20, a third upright column 21, a fourth upright column 22 and a bearing platform 23, the top end of the first upright column 19 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the first upright column 19 is fixedly connected with the bearing platform 23, the top end of the second upright column 20 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the second upright column 20 is fixedly connected with the bearing platform 23, the top end of the third upright column 21 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the third upright column 21 is fixedly connected with the bearing platform 23, the top end of the fourth upright column 22 is fixedly connected with the trolley travelling mechanism 2, the bottom end of the fourth upright column 22 is fixedly connected with the bearing platform 23, and the electric hoist 6 is installed on the bearing platform 23.
The trolley travelling mechanism 2 comprises trolley wheels 24, a second speed reducer 25 and a first motor 26, the first motor 26 is connected with the trolley wheels 24 through the second speed reducer 25, and the trolley wheels 24 are hung on the trolley rails 9.
The cart travelling mechanism 4 comprises a second motor 27, a brake 28, a third speed reducer 29 and cart wheels 30, wherein the second motor 27 is fixed on the lower cross beam 13 of the gantry 3, the brake 28 is installed on the second motor 27, and the second motor 27 is connected with the cart wheels 30 through the third speed reducer 29.
The side wall of the arm support 5 is fixedly connected with a grid baffle 31, the grid baffle 31 is positioned above the trolley track 9, and a light-reflecting warning strip 32 is bonded on the grid baffle 31.
The side wall of the arm support 5 is fixedly connected with a limiting block 33, the cross section of the limiting block 33 is U-shaped, and the trolley frame 1 is positioned between the rotary platform 7 and the limiting block 33.
The cross section of the supporting platform 10 is circular, the number of the door legs 11 is four, the number of the middle cross beams 12 is four, the number of the lower cross beams 13 is two, any two adjacent door legs 11 are connected through one middle cross beam 12, one lower cross beam 13 is connected between two adjacent door legs 11, and the two lower cross beams 13 are parallel.
The embodiment is a best implementation mode, a balancing weight is fixedly connected to the end portion of an arm support, the balancing weight is located on one side of a rotary platform, a trolley frame is located on the other side of the rotary platform, a trolley track used for a trolley travelling mechanism to travel is arranged on the side wall of the arm support, the trolley travelling mechanism is hung on the trolley track, the top of the trolley frame is fixedly connected with the trolley travelling mechanism, the bottom of the trolley frame is fixedly connected with an electric hoist, a portal frame comprises a supporting platform, door legs, a middle cross beam and a lower cross beam, the supporting platform is fixed to the tops of the door legs, the middle cross beam is fixedly connected with the middle portions of the door legs, the lower cross beam is fixedly connected with the lower portions of the door legs, a rotary support is arranged on the supporting platform, a motor, a first speed reducer and a pinion are fixed on the rotary platform, the motor, the outer ring of the slewing bearing is fixed on the supporting platform, the inner ring of the slewing bearing is fixed on the slewing platform, a trolley track for the trolley travelling mechanism to travel is arranged on the side wall of the arm support, the trolley travelling mechanism is hung on the trolley track, the top of the trolley frame is fixedly connected with the trolley travelling mechanism, and the bottom of the trolley frame is fixedly connected with the electric hoist; compared with the prior art, the cantilever crane can realize free rotation in the whole horizontal direction, and the trolley can axially walk along the cantilever crane, so that the trolley can work in different hoisting ranges, and has strong flexibility and high working efficiency.
The grid baffle is fixedly connected to the side wall of the arm support and located above the trolley track, and the grid baffle is bonded with the light-reflecting warning strips, so that the warning effect is achieved, and the operation safety is improved.
The limiting blocks are fixedly connected to the side walls of the arm supports, the cross sections of the limiting blocks are U-shaped, the trolley frame is located between the rotary platform and the limiting blocks, the limiting blocks have limiting effects, sliding strokes of the trolley can be limited, and therefore safe lifting is guaranteed.
The cross section of the supporting platform is circular, the number of the door legs is four, the number of the middle cross beams is four, the number of the lower cross beams is two, any two adjacent door legs are connected through one middle cross beam, one lower cross beam is connected between the two adjacent door legs, the two lower cross beams are parallel, the whole gantry is in an axisymmetric structure, the rotary platform and the arm support can rotate around the vertical axis of the gantry through rotary support, the stress is clear, and the good structural strength is achieved.

Claims (7)

1. The utility model provides a door seat headstock gear, includes trolley frame (1), dolly running gear (2), portal (3) and fixes cart running gear (4) in portal (3) bottom, its characterized in that: the trolley is characterized by further comprising an arm support (5), an electric hoist (6) and a rotary platform (7) connected to the arm support (5), wherein the end part of the arm support (5) is fixedly connected with a balancing weight (8), the balancing weight (8) is positioned on one side of the rotary platform (7), a trolley frame (1) is positioned on the other side of the rotary platform (7), a trolley track (9) for the trolley travelling mechanism (2) to travel is arranged on the side wall of the arm support (5), the trolley travelling mechanism (2) is hung on the trolley track (9), the top of the trolley frame (1) is fixedly connected with the trolley travelling mechanism (2), the bottom of the trolley frame (1) is fixedly connected with the electric hoist (6), the door frame (3) comprises a supporting platform (10), door legs (11), a middle cross beam (12) and a lower cross beam (13), the supporting platform (10) is fixed at the tops of the door legs (11), the middle cross beam (12) is fixedly connected with the middle parts of the door legs (11), lower beam (13) and the lower part fixed connection of door leg (11), be provided with slewing bearing (14) on supporting platform (10), be fixed with motor (15), first reduction gear (16) and pinion (17) on slewing platform (7), motor (15) are connected with first reduction gear (16), and pinion (17) are installed on first reduction gear (16), pinion (17) and slewing bearing's (14) gear wheel (18) meshing, the outer lane of slewing bearing (14) is fixed on supporting platform (10), and the inner circle of slewing bearing (14) is fixed on slewing platform (7).
2. A gate hoist as claimed in claim 1, characterized in that: the trolley frame (1) comprises a first upright post (19), a second upright post (20), a third upright post (21), a fourth upright post (22) and a bearing platform (23), the top and dolly running gear (2) fixed connection of first stand (19), the bottom and load-bearing platform (23) fixed connection of first stand (19), the top and dolly running gear (2) fixed connection of second stand (20), the bottom and load-bearing platform (23) fixed connection of second stand (20), the top and dolly running gear (2) fixed connection of third stand (21), the bottom and load-bearing platform (23) fixed connection of third stand (21), the top and dolly running gear (2) fixed connection of fourth stand (22), the bottom and load-bearing platform (23) fixed connection of fourth stand (22), install on load-bearing platform (23) electric hoist (6).
3. A gate hoist as claimed in claim 1, characterized in that: the trolley travelling mechanism (2) comprises trolley wheels (24), a second speed reducer (25) and a first motor (26), the first motor (26) is connected with the trolley wheels (24) through the second speed reducer (25), and the trolley wheels (24) are hung on a trolley track (9).
4. A gate hoist as claimed in claim 1, characterized in that: the cart travelling mechanism (4) comprises a second motor (27), a brake (28), a third speed reducer (29) and cart wheels (30), the second motor (27) is fixed on a lower cross beam (13) of the gantry (3), the brake (28) is installed on the second motor (27), and the second motor (27) is connected with the cart wheels (30) through the third speed reducer (29).
5. A gate hoist as claimed in claim 1, characterized in that: the side wall of the arm support (5) is fixedly connected with a grid baffle (31), the grid baffle (31) is positioned above the trolley track (9), and a light-reflecting warning strip (32) is bonded on the grid baffle (31).
6. A gate hoist as claimed in claim 1, characterized in that: the side wall of the arm support (5) is fixedly connected with a limiting block (33), the cross section of the limiting block (33) is U-shaped, and the trolley frame (1) is located between the rotary platform (7) and the limiting block (33).
7. A gate hoist as claimed in claim 1, characterized in that: the cross section of the supporting platform (10) is circular, the number of the door legs (11) is four, the number of the middle cross beams (12) is four, the number of the lower cross beams (13) is two, any two adjacent door legs (11) are connected through one middle cross beam (12), one lower cross beam (13) is connected between any two adjacent door legs (11), and the two lower cross beams (13) are parallel.
CN201920889059.9U 2019-06-13 2019-06-13 Door seat headstock gear Active CN210103333U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920889059.9U CN210103333U (en) 2019-06-13 2019-06-13 Door seat headstock gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920889059.9U CN210103333U (en) 2019-06-13 2019-06-13 Door seat headstock gear

Publications (1)

Publication Number Publication Date
CN210103333U true CN210103333U (en) 2020-02-21

Family

ID=69564250

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920889059.9U Active CN210103333U (en) 2019-06-13 2019-06-13 Door seat headstock gear

Country Status (1)

Country Link
CN (1) CN210103333U (en)

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