CN205204666U - Arch bridge crane - Google Patents
Arch bridge crane Download PDFInfo
- Publication number
- CN205204666U CN205204666U CN201521042314.4U CN201521042314U CN205204666U CN 205204666 U CN205204666 U CN 205204666U CN 201521042314 U CN201521042314 U CN 201521042314U CN 205204666 U CN205204666 U CN 205204666U
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- CN
- China
- Prior art keywords
- crane
- girder
- track
- carriage
- trolley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model provides an arch bridge crane, including trolley, the crane span structure, crane travel mechanism and electrical control equipment, the crane span structure is four girder constructions of middle hunch -up, trolley includes the trolley frame, hoisting mechanism and dolly running gear, trolley's dolly running gear includes two trocar tooth drive mechanism and two sets of stoppers, needle tooth drive mechanism includes the motor, the braked wheel shaft coupling, a speed reducer, the integral key shaft, the bearing frame, gear and round pin axle, the motor is connected with the reduction gear input shaft through the braked wheel shaft coupling, the gearbox output end is the integral key shaft, the integral key shaft supports on the bearing frame, the gear is installed on the integral key shaft, the gear meshes with the round pin axle of fixing on the round pin axle track on the girder, the stopper is installed on braked wheel shaft coupling and reduction gear input shaft's shaft part. Beneficial effect: middle part load -lifting height is high, and the design is compact, and occupation space is little, improves space utilization, the transmission of needle tooth can provide big driving torque, and trolley moves the safety and stability, can reduce construction cost.
Description
Technical field
The utility model belongs to hoisting crane technical field, particularly relates to crane in bridge type.
Background technology
The crane span structure of conventional bridge hoisting crane is all horizontal four girder construction, and crane carriage comes and goes and runs on horizontal crane span structure, handling object.The deficiency of conventional bridge hoisting crane is: the particular/special requirement that cannot meet special factory building and user, and if top ceiling is circular arc, gantry middle portion lifting altitude is comparatively large, the occasion that two ends lifting altitude is low.
Summary of the invention
The purpose of this utility model is to provide one and meets middle rise comparatively greatly, and the girder that lifting altitude lower occasion in two ends is suitable for is the crane in bridge type of arch.
The technical solution of the utility model is: a kind of arch crane in bridge type, comprise crane carriage, crane span structure, traveling mechanism of the larger traveller and electrical control equipment, crane span structure is four girder constructions, crane span structure is provided with crane carriage walking track and crane carriage cable coaster track, and crane carriage cable coaster track and crane carriage parallel track of walking is arranged, crane carriage comprises trolley frame, lifting mechanism and running gear for trolley, driving wheel is provided with away bottom trolley frame, walking driving wheel bottom crane carriage is placed on the crane carriage walking track of crane span structure, it is characterized in that: described crane span structure is four girder constructions arched upward in centre, crane span structure comprises girder and end carriage, girder forms by three sections, interlude is arched beam section or Curved beam section, interlude two ends are two straight beam sections, the lower end of two straight beam sections is connected with two end carriages respectively, end carriage is supported on large vehicle walking track by traveling mechanism of the larger traveller, the upper end of straight beam section is inclined upwardly, the upper end of two straight beam sections is connected with interlude, the arch of point of connection place and interlude or arc tangent, arched girder in formation, crane carriage walking track on described crane span structure is laid along girder upper cover plate, and upper cover plate is laid along girder upper surface, and the curve that crane carriage walking orbital plane is formed is identical with the curve of arched girder, the running gear for trolley of described crane carriage comprises two trocar tooth transmission devices and two cover drgs, two trocar tooth transmission devices and two cover drgs lay respectively at the left and right sides bottom trolley frame, be positioned at traveling lateral wheel, every trocar tooth transmission device comprises electrical motor, brake wheel coupler, retarder, castellated shaft, bearing seat, gear and bearing pin, electrical motor and brake mount are fixed on reducer shell, servo-actuated with retarder, retarder is fixed on trolley frame by connecting rod mechanism, described connecting rod mechanism comprises a fork lever and a straight-bar, fork lever is hinged on reducer shell, straight-bar upper end thereof is in the fork of fork lever, lower end is fixed on trolley frame, described bearing pin is arranged on bearing pin track, bearing pin is evenly arranged on bearing pin track, bearing pin track is fixed on the crane carriage walking track both sides of girder, stroke and crane carriage track stroke of walking is identical, bearing seat is fixed on trolley frame, electrical motor is connected with reducer input shaft by brake wheel coupler, retarder mouth is castellated shaft, castellated shaft is supported on bearing seat, gear is arranged on castellated shaft, gear be fixed on girder upper pin track bearing pin engage, described drg is arranged on the shaft part that brake wheel coupler is connected with reducer input shaft.
A kind of arch crane in bridge type described in the utility model, is characterized in that: the acclivitous angle in straight beam section upper end of described girder is greater than 0 ° and is less than or equal to 20 °.
A kind of arch crane in bridge type described in the utility model, is characterized in that: described crane carriage is one or two.
A kind of arch crane in bridge type described in the utility model, is characterized in that: inside described trolley frame, corner is provided with horizontal wheel guiding, prevents the hook with safety tong derailed when the end, corner of trolley frame is provided with unexpected unloading.
Principle of work of the present utility model is: electrical motor provides power, electrical motor drives reducer input shaft by brake wheel coupler, the castellated shaft driven gear of retarder mouth rotates, gear engages with the bearing pin on crane span structure, and the antagonistic force that pinion rotation is producing with bearing pin point of engagement is crane carriage displacing force; Because pin tooth transmission device has self-locking performance, drg can at a point braking in crane carriage stroke.
The beneficial effects of the utility model:
1. span centre part lifting altitude is high, improves factory building ceiling space degree of utilization;
2. pin tooth driving type can provide large driving torque, makes crane carriage can safe and stable operation on heavy grade track, and positioning precision is higher; Solve the problem that conventional crane cannot adapt to great slope;
3. pair specific occasion can reduce civil engineering laid down cost;
4. compact to design, take up room little, space availability ratio is high.
Accompanying drawing illustrates:
Fig. 1 is arch crane in bridge type complete machine schematic diagram;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is crane carriage front view;
Fig. 4 is pin tooth transmission device schematic diagram;
Fig. 5 is the birds-eye view of Fig. 4;
Fig. 6 is crane span structure schematic diagram;
Fig. 7 is the birds-eye view of Fig. 6;
In figure, 1, crane carriage, 2, crane span structure, 3, traveling mechanism of the larger traveller, 4, electrical control equipment, 5, wheel, 6, horizontal wheel, 7, trolley frame, 8, lifting mechanism, 9, pin tooth transmission device, 10, connecting rod, 11, bearing pin, 12, bearing seat, 13, gear, 14, castellated shaft, 15, retarder, 16, drg, 17, brake wheel coupler, 18, base, 19, electrical motor, 20, crane carriage walking track, 21, crane carriage cable coaster track, 22, girder, 23, platform railing, 24, end carriage.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
Embodiment is Underground Test station arch crane in bridge type.
Arch crane in bridge type comprises crane carriage 1, crane span structure 2, traveling mechanism of the larger traveller 3 and electrical control equipment 4, crane span structure 2 is four girder constructions, for four girder constructions arched upward in centre, crane span structure 2 comprises girder 22 and end carriage 24, girder 22 forms by three sections, interlude is arched beam section or Curved beam section, interlude two ends are two straight beam sections, the lower end of two straight beam sections is connected with two end carriages 24 respectively, end carriage 24 is supported on large vehicle walking track by traveling mechanism of the larger traveller 3, the upper end of straight beam section is inclined upwardly, and the acclivitous angle in straight beam section upper end is 20 °, the upper end of two straight beam sections is connected with interlude, the arch of point of connection place and interlude or arc tangent, arched girder 22 in formation, girder 22 adopts side high strength bolt to connect with connecting of end carriage 24, to reduce hoisting crane whole height, girder 22 is provided with crane carriage walking track 20 and crane carriage cable coaster track 21, crane carriage cable coaster track 21 and crane carriage track 20 of walking be arranged in parallel, crane carriage walking track 21 is laid along girder 22 upper cover plate, upper cover plate is laid along girder upper surface, form arch or arc crane carriage walking orbital plane, crane carriage 1 is two, be placed in girder 22 line of centers both sides respectively, crane carriage 1 comprises trolley frame 7, lifting mechanism 8 and running gear for trolley, driving wheel 5 is provided with away bottom trolley frame 7, walking driving wheel 5 bottom crane carriage 1 is placed on the crane carriage walking track of girder 22, inside trolley frame 7, corner is provided with horizontal wheel 6 and leads, the end, corner of trolley frame 7 prevents the hook with safety tong derailed when being provided with unexpected unloading, horizontal wheel 6 lead and hook with safety tong for preventing the situations such as Condition of Sudden Unloading time crane carriage 1 derail, thus the reliability of guarantee pin tooth transmission, the running gear for trolley of crane carriage 1 comprises two trocar tooth transmission device 9 and two cover drgs 16, two trocar tooth transmission devices 9 and two cover drgs 16 lay respectively at the left and right sides bottom trolley frame 7, be positioned at outside driving wheel 5, every trocar tooth transmission device 9 comprises electrical motor 19, brake wheel coupler 17, retarder 15, castellated shaft 14, bearing seat 12, gear 13 and bearing pin 11, electrical motor and brake mount 18 are fixed on retarder 15 housing, servo-actuated with retarder 15, retarder 15 is fixed on trolley frame 7 by connecting rod mechanism 10, connecting rod mechanism 10 comprises a fork lever and a straight-bar, fork lever is hinged on reducer shell, straight-bar upper end thereof is in the fork of fork lever, lower end is fixed on trolley frame 7, bearing pin 11 is arranged on bearing pin track, bearing pin 11 is evenly arranged on bearing pin track, bearing pin track is fixed on the crane carriage walking track both sides of girder 22, stroke and crane carriage track stroke of walking is identical, bearing seat 12 is fixed on trolley frame 7, electrical motor 19 is connected with retarder 15 input shaft by brake wheel coupler 17, retarder 15 mouth is castellated shaft 14, castellated shaft 14 is supported on bearing seat 12, gear 13 is arranged on castellated shaft 14, gear 13 be fixed on girder 22 upper pin track bearing pin 11 engage, described drg 16 is arranged on the shaft part that brake wheel coupler 17 is connected with retarder 15 input shaft.Pin tooth transmission device 9 can realize crane carriage 1 and run on the track of great slope, pin tooth type of drive effectively can solve traditional trolley travelling type of drive and not be suitable for great slope and driving pushes away hypodynamic problem, has and drives the feature that power is large and positioning precision is high; For ensureing the reliability of pin tooth transmission, inside trolley frame 7, corner arranges that horizontal wheel 6 leads, and arranges vertical reaction wheel or hook with safety tong etc. on crane carriage 1, and when preventing the situations such as Condition of Sudden Unloading, crane carriage 1 derails.
Claims (4)
1. an arch crane in bridge type, comprise crane carriage (1), crane span structure (2), traveling mechanism of the larger traveller (3) and electrical control equipment (4), crane span structure (2) is provided with crane carriage walking track (20) and crane carriage cable coaster track (21), and crane carriage cable coaster track (21) and crane carriage track (20) of walking be arranged in parallel, crane carriage (1) comprises trolley frame (7), lifting mechanism (8) and running gear for trolley, trolley frame (7) bottom is provided with away driving wheel (5), crane carriage (1) bottom is walked driving wheel (5) and is placed on the crane carriage walking track of crane span structure (2), it is characterized in that: described crane span structure (2) is middle four girder constructions arched upward, crane span structure (2) comprises girder (22) and end carriage (24), girder (22) forms by three sections, interlude is arched beam section or Curved beam section, interlude two ends are two straight beam sections, the lower end of two straight beam sections is connected with two end carriages (24) respectively, end carriage (24) is supported on large vehicle walking track by traveling mechanism of the larger traveller (3), the upper end of straight beam section is inclined upwardly, the upper end of two straight beam sections is connected with interlude, the arch of point of connection place and interlude or arc tangent, arched girder (22) in formation, crane carriage walking track (21) on described crane span structure is laid along girder (22) upper cover plate, and upper cover plate is laid along girder upper surface, and the curve that crane carriage walking orbital plane is formed is identical with the curve of arched girder, the running gear for trolley of described crane carriage (1) comprises two trocar tooth transmission devices (9) and two covers drg (16), two trocar tooth transmission devices (9) and two covers drg (16) lay respectively at the left and right sides, trolley frame (7) bottom, be positioned at driving wheel (5) outside, every trocar tooth transmission device (9) comprises electrical motor (19), brake wheel coupler (17), retarder (15), castellated shaft (14), bearing seat (12), gear (13) and bearing pin (11), electrical motor and brake mount (18) are fixed on retarder (15) housing, servo-actuated with retarder (15), retarder (15) is fixed on trolley frame (7) by connecting rod mechanism (10), described connecting rod mechanism (10) comprises a fork lever and a straight-bar, fork lever is hinged on reducer shell, straight-bar upper end thereof is in the fork of fork lever, lower end is fixed on trolley frame (7), described bearing pin (11) is arranged on bearing pin track, bearing pin (11) is evenly arranged on bearing pin track, bearing pin track is fixed on the crane carriage walking track both sides of girder (22), stroke and crane carriage track stroke of walking is identical, bearing seat (12) is fixed on trolley frame (7), electrical motor (19) is connected with retarder (15) input shaft by brake wheel coupler (17), retarder (15) mouth is castellated shaft (14), castellated shaft (14) is supported on bearing seat (12), gear (13) is arranged on castellated shaft (14), gear (13) be fixed on girder (22) upper pin track bearing pin (11) engage, described drg (16) is arranged on the shaft part that brake wheel coupler (17) is connected with retarder (15) input shaft.
2. a kind of arch crane in bridge type as claimed in claim 1, is characterized in that: the acclivitous angle in straight beam section upper end of described girder (22) is greater than 0 ° and is less than or equal to 20 °.
3. a kind of arch crane in bridge type as claimed in claim 1, is characterized in that: described crane carriage (1) is one or two.
4. a kind of arch crane in bridge type as claimed in claim 1, it is characterized in that: corner, described trolley frame (7) inner side is provided with horizontal wheel (6) guiding, prevents the hook with safety tong derailed when the end, corner of trolley frame (7) is provided with unexpected unloading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521042314.4U CN205204666U (en) | 2015-12-15 | 2015-12-15 | Arch bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521042314.4U CN205204666U (en) | 2015-12-15 | 2015-12-15 | Arch bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205204666U true CN205204666U (en) | 2016-05-04 |
Family
ID=55842396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521042314.4U Withdrawn - After Issue CN205204666U (en) | 2015-12-15 | 2015-12-15 | Arch bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205204666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366554A (en) * | 2015-12-15 | 2016-03-02 | 大连华锐重工起重机有限公司 | Arched-bridge crane |
-
2015
- 2015-12-15 CN CN201521042314.4U patent/CN205204666U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366554A (en) * | 2015-12-15 | 2016-03-02 | 大连华锐重工起重机有限公司 | Arched-bridge crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160504 Effective date of abandoning: 20170620 |