CN113788402A - Annular crane cart running mechanism and operation method thereof - Google Patents
Annular crane cart running mechanism and operation method thereof Download PDFInfo
- Publication number
- CN113788402A CN113788402A CN202110892662.4A CN202110892662A CN113788402A CN 113788402 A CN113788402 A CN 113788402A CN 202110892662 A CN202110892662 A CN 202110892662A CN 113788402 A CN113788402 A CN 113788402A
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- Prior art keywords
- nipper
- wheel
- driving wheel
- driven
- driven wheel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/02—Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/16—Travelling gear incorporated in or fitted to trolleys or cranes with means for maintaining alignment between wheels and track
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention provides an annular crane cart running mechanism and an operation method thereof, the mechanism comprises a driving wheel set and a driven wheel set, the driving wheel set comprises a driving wheel nipper, a driving wheel is arranged on the driving wheel nipper, a driven gear is arranged on a rotating shaft of the driving wheel, an output end of a power mechanism is provided with a driving gear meshed with the driven gear, the driven wheel set comprises a driven wheel nipper, a rotating shaft of a driven wheel is rotatably arranged on the driven wheel nipper, a bearing shaft is arranged on the driven wheel nipper, a first bearing hole is arranged on the driving wheel nipper, a second bearing hole is arranged on a balance beam, through holes matched with an adjusting screw are arranged on the driving wheel nipper, the balance beam and the driven wheel nipper, and adjusting nuts matched with the adjusting screw are arranged on two sides of the driving wheel nipper, the balance beam and the driven wheel nipper. According to the running mechanism and the operation method, when the wheel clearance and the balance beam are adjusted, the large vehicle running mechanism does not need to be disassembled, the running mechanism can be adjusted at the working position, and the safety risk of workers can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of hoisting equipment manufacturing, in particular to an annular crane cart running mechanism and an operation method thereof.
Background
Annular cranes are generally arranged in hydropower stations, nuclear power plants and processing plants and are used for hoisting and overhauling equipment and materials. The cart running mechanism of the annular crane mainly comprises a motor, a speed reducer, wheels and wheel nippers, wherein the motor and the speed reducer are power devices of the running mechanism, the wheels transmit loads carried by the annular crane to the annular track, and the wheel nippers are connected with the mechanisms and used for adjusting wheel gaps. Whether the arrangement of a cart running mechanism of the annular crane reasonably and directly influences whether the installation of the annular crane is safe and efficient or not and whether the maintenance is quick and convenient or not. In modern days, safe, efficient and lean installation and maintenance of equipment provide new requirements for modern maintainers.
At present, the running mechanism of the annular crane cart is structurally arranged as shown in figure 1, a driving wheel, a driven wheel and a balance beam are connected through a connecting shaft, and fastening is realized through a locking nut and a gasket. When the cart running mechanism is installed, components such as a driving wheel, a driven wheel, a balance beam and the like need to be sequentially installed step by step; because the annular hangs the track and generally is in higher position, each part of cart operating device is heavier, adopts the mode of substep installation to waste time and energy, and has certain safety risk. When the installation is accomplished or the maintainer is maintained, if adjust wheel clearance or compensating beam position, need demolish whole cart running gear to ground, adjust through the mode that increases or reduces the gasket, adorn each part back in proper order again to annular hanging rail, work step is comparatively loaded down with trivial details, and staff intensity of labour is big, and the safety risk is higher.
Disclosure of Invention
The invention aims to solve the technical problem of providing a large annular crane running mechanism and an operation method thereof, when wheel gaps and balance beams are adjusted, the large annular crane running mechanism does not need to be disassembled, and can be adjusted at a working position, so that the labor intensity and safety risk of workers can be effectively reduced.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a circular crane cart running mechanism comprises a driving wheel set and a driven wheel set, wherein the driving wheel set comprises a driving wheel nipper, a rotating shaft of a driving wheel is rotatably arranged on the driving wheel nipper, a driven gear is arranged on the rotating shaft of the driving wheel, a power mechanism is arranged on the driving wheel nipper, an output end of the power mechanism is provided with a driving gear meshed with the driven gear, the driven wheel set comprises a driven wheel nipper, a rotating shaft of a driven wheel is rotatably arranged on the driven wheel nipper, a bearing shaft is arranged on the driven wheel nipper, a first bearing hole matched with the bearing shaft is arranged on the driving wheel nipper, a balance beam is arranged between the driving wheel nipper and the driven wheel nipper, a second bearing hole matched with the bearing shaft is arranged on the balance beam, through holes matched with an adjusting screw rod are arranged on the driving wheel nipper, the driving wheel nipper and the driven wheel nipper, adjusting nuts matched with the adjusting screws are arranged on the two sides of the balance beam and the driven wheel nipper.
In the preferred scheme, the power mechanism comprises a motor, an output shaft of the motor is connected with an input end of a speed reducer, the speed reducer is fixed on a driving wheel nipper, and an output end of the speed reducer is provided with a driving gear.
In a preferable scheme, a locking nut is arranged on one side of the adjusting nut.
In a preferred scheme, a third bearing hole matched with the bearing shaft is formed in the driven wheel nipper, a shaft stopping plate is arranged at the end part of the bearing shaft, and the shaft stopping plate is connected with the driven wheel nipper through a bolt.
In an optimized scheme, one end of the bearing shaft, which is close to the driving wheel nipper, is provided with an installation clamping groove, and a clamping spring is arranged in the installation clamping groove.
In a preferable scheme, the lower end of the balance beam is provided with a mounting hole.
The invention also provides an operation method of the annular crane cart running mechanism, which comprises the following steps:
loosening an adjusting nut, and adjusting the distance between a driving wheel and a driven wheel to be larger than the width of an annular hanging track;
secondly, hoisting the whole mechanism to the installation height, rotating the adjusting nut, and adjusting the distance between the driving wheel and the driven wheel to enable the driving wheel and the driven wheel to be matched with the annular track;
and step three, loosening the adjusting nuts on the two sides of the balance beam, adjusting the position of the balance beam, and finally screwing the adjusting nuts to finish adjustment.
The invention provides a large circular crane running mechanism and an operation method thereof.A driven wheel set and a driving wheel set form a circular crane running mechanism together, and load is transmitted to a track in a wheel pressure mode. The bearing shaft is used for connecting the driving wheel set and the driven wheel set, bearing the load weight transmitted by the balance beam and transmitting the load weight to the wheel assembly. The adjusting screw is used for adjusting the distance between the driving wheel and the driven wheel and the position of the balance beam, and adjusting the gap and the position of the balance beam. When the wheel clearance and the balance beam are adjusted, the cart running mechanism does not need to be disassembled, and the adjustment can be carried out at the working position. The cart running mechanism is simple in structure, easy to manufacture and install and capable of effectively reducing labor intensity of workers and safety risks.
Drawings
The invention is further illustrated with reference to the accompanying drawings and examples:
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of a primary wheel set;
FIG. 4 is a schematic structural view of a driven wheel set;
FIG. 5 is a schematic structural view of the power mechanism;
FIG. 6 is a schematic structural view of a balance beam;
FIG. 7 is a schematic view of a load bearing shaft;
FIG. 8 is a schematic view of the adjusting screw;
in the figure: the driving wheel nipper comprises a driving wheel nipper 1, a driving wheel 2, a driven gear 3, a driving gear 4, a motor 5, a speed reducer 6, a driven wheel nipper 7, a driven wheel 8, a bearing shaft 9, a balance beam 10, an adjusting screw rod 11, an adjusting nut 12, a locking nut 13, a shaft stop plate 14, a clamp spring 15, a first bearing hole 101, a third bearing hole 701, an installation clamping groove 901, a second bearing hole 1001 and an installation hole 1002.
Detailed Description
As shown in fig. 2 to 8, an operation mechanism of a circular crane cart comprises a driving wheel set and a driven wheel set, the driving wheel set comprises a driving wheel nipper 1, a rotating shaft of the driving wheel 2 is rotatably mounted on the driving wheel nipper 1 through a bearing, a driven gear 3 is arranged on the rotating shaft of the driving wheel 2, a power mechanism is arranged on the driving wheel nipper 1, in the present embodiment, the power mechanism comprises a motor 5, an output shaft of the motor 5 is connected with an input end of a speed reducer 6, the speed reducer 6 is fixed on the driving wheel nipper 1, an output end of the speed reducer 6 is provided with a driving gear 4, the driving gear 4 is engaged with the driven gear 3, the driven wheel set comprises a driven wheel nipper 7, a rotating shaft of the driven wheel 8 is rotatably mounted on the driven wheel nipper 7 through a bearing, a bearing shaft 9 is arranged on the driven wheel nipper 7, a first bearing hole 101 matched with the bearing shaft 9 is arranged on the driving wheel nipper 1, a balance beam 10 is arranged between the driving wheel nipper 1 and the driven wheel nipper 7, the balance beam 10 is provided with a second bearing hole 1001 matched with the bearing shaft 9, through holes for matching with the adjusting screw rods 11 are formed in the driving wheel nipper 1, the balance beam 10 and the driven wheel nipper 7, and adjusting nuts 12 matched with the adjusting screw rods 11 are arranged on two sides of the driving wheel nipper 1, the balance beam 10 and the driven wheel nipper 7.
The driven wheel set and the driving wheel set jointly form a traveling mechanism of the circular crane, and loads are transmitted to the track in a wheel pressure mode. The bearing shaft 9 is used for connecting the driving wheel set and the driven wheel set, bearing the load weight transmitted by the balance beam 10 and transmitting the load weight to the wheel assembly. The adjusting screw 11 is used for adjusting the distance between the driving wheel 2 and the driven wheel 8, namely the wheel gap, and the position of the balance beam 10, so as to realize the gap adjustment and the balance beam position adjustment.
When the wheel clearance and the balance beam 10 are adjusted, the operating position can be adjusted without disassembling the cart operating mechanism. The cart running mechanism is simple in structure, easy to manufacture and install and capable of effectively reducing labor intensity of workers and safety risks.
Preferably, a locking nut 13 is arranged on one side of the adjusting nut 12. The adjusting nut 12 is further limited by the locking nut 13, and is locked to prevent the locking nut 13 from slipping.
Preferably, the driven wheel nipper 7 is provided with a third bearing hole 701 matched with the bearing shaft 9, the end of the bearing shaft 9 is provided with a dead axle plate 14, and the dead axle plate 14 is connected with the driven wheel nipper 7 through a bolt.
The bearing shaft 9 is prevented from axial displacement during installation and operation by the shaft stop plate 14.
Preferably, an installation clamping groove 901 is formed in one end, close to the driving wheel nipper 1, of the bearing shaft 9, and a clamping spring 15 is arranged in the installation clamping groove 901.
Through setting up jump ring 15 for the position of restriction action wheel nipper 1 prevents when the adjustment wheel clearance, and action wheel nipper 1 moving distance is too big and causes the accident of droing.
The lower end of the balance beam 10 is provided with a mounting hole 1002 which is convenient for connecting a main beam or a load.
An operation method of an annular crane cart running mechanism comprises the following steps:
step one, loosening the adjusting nut 12, adjusting the distance between the driving wheel 2 and the driven wheel 8 to be larger than the width of the annular hanging rail, and adjusting the wheel gap to be 5-10mm larger than the width of the annular hanging rail.
And step two, hoisting the whole mechanism to the installation height, rotating the adjusting nut 12, adjusting and adjusting the distance between the driving wheel 2 and the driven wheel 8 to enable the driving wheel 2 and the driven wheel 8 to be matched with the annular track, and adjusting the adjusting nut 12 to enable the wheel clearance to meet the standard requirement.
When equipment is maintained, the wheel clearance is found to be not in accordance with the standard requirement, the wheel clearance is required to be adjusted, the wheel set required to be adjusted is determined according to the equipment condition, and the adjustment of the wheel clearance can be realized by adjusting nuts on two sides of the wheel set.
And step three, loosening the adjusting nuts 12 on the two sides of the balance beam 10, adjusting the position of the balance beam 10, and finally screwing the adjusting nuts 12 to finish adjustment.
The mechanism has the advantages of simple structure, easy manufacture and installation, low cost, capability of effectively reducing the labor intensity of operating personnel, improvement on the operation safety, repeated use and wide application prospect.
Claims (7)
1. A circular crane cart running mechanism is characterized by comprising a driving cart wheel set and a driven cart wheel set, wherein the driving cart wheel set comprises a driving wheel nipper (1), a rotating shaft of a driving wheel (2) is rotatably arranged on the driving wheel nipper (1), a driven gear (3) is arranged on the rotating shaft of the driving wheel (2), a power mechanism is arranged on the driving wheel nipper (1), an output end of the power mechanism is provided with a driving gear (4) meshed with the driven gear (3), the driven cart wheel set comprises a driven wheel nipper (7), a rotating shaft of a driven wheel (8) is rotatably arranged on the driven wheel nipper (7), a bearing shaft (9) is arranged on the driven wheel nipper (7), a first bearing hole (101) matched with the bearing shaft (9) is arranged on the driving wheel nipper (1), a balance beam (10) is arranged between the driving wheel nipper (1) and the driven wheel nipper (7), the balance beam (10) is provided with a second bearing hole (1001) matched with the bearing shaft (9), all be equipped with on action wheel nipper (1), compensating beam (10) and the driven wheel nipper (7) and supply adjusting screw (11) complex through-hole, action wheel nipper (1), compensating beam (10) and driven wheel nipper (7) both sides all are equipped with adjusting nut (12) with adjusting screw (11) complex.
2. The running mechanism of the circular crane cart according to claim 1, wherein the power mechanism comprises a motor (5), an output shaft of the motor (5) is connected with an input end of a speed reducer (6), the speed reducer (6) is fixed on the driving wheel nipper (1), and an output end of the speed reducer (6) is provided with a driving gear (4).
3. An endless loop crane cart running mechanism according to claim 1, characterized in that the adjusting nut (12) is provided with a locking nut (13) on one side.
4. An annular crane cart running mechanism as claimed in claim 1, wherein the driven wheel nipper (7) is provided with a third bearing hole (701) matched with the bearing shaft (9), the end of the bearing shaft (9) is provided with a shaft stopping plate (14), and the shaft stopping plate (14) is connected with the driven wheel nipper (7) through a bolt.
5. An annular crane cart running mechanism according to claim 1, wherein one end of the bearing shaft (9) close to the driving wheel nipper (1) is provided with a mounting clamping groove (901), and a clamping spring (15) is arranged in the mounting clamping groove (901).
6. An endless loop crane cart running mechanism according to claim 1, wherein the balance beam (10) is provided with mounting holes (1002) at its lower end.
7. An operation method of an annular crane cart running mechanism is characterized by comprising the following steps:
step one, loosening an adjusting nut (12), and adjusting the distance between a driving wheel (2) and a driven wheel (8) to be larger than the width of an annular hanging track;
secondly, hoisting the whole mechanism to the installation height, rotating the adjusting nut (12), and adjusting the distance between the driving wheel (2) and the driven wheel (8) to enable the driving wheel (2) and the driven wheel (8) to be matched with the annular track;
and step three, loosening the adjusting nuts (12) on the two sides of the balance beam (10), adjusting the position of the balance beam (10), and finally screwing the adjusting nuts (12) to finish adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892662.4A CN113788402A (en) | 2021-08-04 | 2021-08-04 | Annular crane cart running mechanism and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892662.4A CN113788402A (en) | 2021-08-04 | 2021-08-04 | Annular crane cart running mechanism and operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113788402A true CN113788402A (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110892662.4A Pending CN113788402A (en) | 2021-08-04 | 2021-08-04 | Annular crane cart running mechanism and operation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113788402A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4221419A (en) * | 1977-02-19 | 1980-09-09 | Keith Riley | Gripping devices |
| JP2005272056A (en) * | 2004-03-24 | 2005-10-06 | Kito Corp | Driving torque adjusting apparatus for trolley |
| CN102431561A (en) * | 2011-10-24 | 2012-05-02 | 葛大力 | Suspension type monorail trolley and suspension type monorail traffic system |
| CN202744204U (en) * | 2012-05-29 | 2013-02-20 | 杭州力泰起重机械有限公司 | Electric hoist trolley device with no gasket for adjusting |
| CN203229305U (en) * | 2013-04-23 | 2013-10-09 | 创维光电科技(深圳)有限公司 | Hanging beam capable of adjusting barycenter and hanger for LED (Light Emitting Diode) display screen |
| CN205151541U (en) * | 2015-10-30 | 2016-04-13 | 浙江双鸟起重设备有限公司 | Single track running gear for wire rope electric block |
| CN209242503U (en) * | 2018-10-09 | 2019-08-13 | 江苏三马起重机械制造有限公司 | A kind of electronic hoist crab of box-girder arc track and balance boom device |
-
2021
- 2021-08-04 CN CN202110892662.4A patent/CN113788402A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4221419A (en) * | 1977-02-19 | 1980-09-09 | Keith Riley | Gripping devices |
| JP2005272056A (en) * | 2004-03-24 | 2005-10-06 | Kito Corp | Driving torque adjusting apparatus for trolley |
| CN102431561A (en) * | 2011-10-24 | 2012-05-02 | 葛大力 | Suspension type monorail trolley and suspension type monorail traffic system |
| CN202744204U (en) * | 2012-05-29 | 2013-02-20 | 杭州力泰起重机械有限公司 | Electric hoist trolley device with no gasket for adjusting |
| CN203229305U (en) * | 2013-04-23 | 2013-10-09 | 创维光电科技(深圳)有限公司 | Hanging beam capable of adjusting barycenter and hanger for LED (Light Emitting Diode) display screen |
| CN205151541U (en) * | 2015-10-30 | 2016-04-13 | 浙江双鸟起重设备有限公司 | Single track running gear for wire rope electric block |
| CN209242503U (en) * | 2018-10-09 | 2019-08-13 | 江苏三马起重机械制造有限公司 | A kind of electronic hoist crab of box-girder arc track and balance boom device |
Non-Patent Citations (1)
| Title |
|---|
| 特种作业人员安全技术培训大纲及考核标准起草小组: "起重指挥司索工", 中国劳动社会保障出版社, pages: 46 - 47 * |
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