CN107200270B - A kind of crane and its application method - Google Patents
A kind of crane and its application method Download PDFInfo
- Publication number
- CN107200270B CN107200270B CN201710609909.0A CN201710609909A CN107200270B CN 107200270 B CN107200270 B CN 107200270B CN 201710609909 A CN201710609909 A CN 201710609909A CN 107200270 B CN107200270 B CN 107200270B
- Authority
- CN
- China
- Prior art keywords
- track
- support arm
- motor
- rotary table
- arc
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/12—Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/16—Devices specially adapted for limiting trolley or crane travel; Arrangements of buffer-stops
-
- 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
- B66C9/04—Travelling gear incorporated in or fitted to trolleys or cranes to facilitate negotiation of curves
-
- 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
- B66C9/14—Trolley or crane travel drives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The present invention relates to lifting equipment fields, and in particular to arrives a kind of crane and its application method.Including basal orbit and lifting equipment, basal orbit includes the second track, second track both sides are provided with the first track, two first tracks are connected by arc track, it is provided with fixed plate corresponding with the first track and arc track on the outside of first track, second track left end is provided with swing-around trajectory, the transverse arm both ends of lifting equipment are respectively arranged with first support arm and second support arm, the idler wheel with third track and swing-around trajectory cooperation is provided on the tray of first support arm, it is provided on the tray of second support arm lower end and turns to carrying slide with what the first track coordinated, the side of the tray of second support arm lower end towards fixed plate is provided with supporting plate.The present invention increases working region by the way that arc track and swing-around trajectory is arranged, while facilitating trans-regional lifting, reduces the quantity of installation lifting equipment, improves work efficiency, high degree of automation, simple operation.
Description
Technical field
The present invention relates to lifting equipment fields, and in particular to arrives a kind of crane and its application method.
Background technology
Crane refers to more action hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods.Also known as day
Vehicle, hanging, crane.
Wheel-mounted crane is mainly characterized by：It travels driver's cabin and is combined into one with lifting control cabinl pulpit, is by crawler belt lifting
Machine (crawler crane) develops, and the crawler belt of walking mechanism and mobile holder part are become the chassis for having tire, overcome crawler belt
The shortcomings that crane (crawler crane) creeper tread road pavement damages, belongs to material carrying machine.
Existing crane can only move back and forth in certain region and carry out lifting operation, and such working region will be very
It is small, it has not been convenient to the trans-regional carrying of cargo.
Invention content
Technical problem to be solved by the present invention lies in one kind can trans-regional work, working region, space it is larger one
Kind crane and its application method.
To achieve the goals above, technical solution provided by the invention is：
A kind of crane, including basal orbit and lifting equipment, basal orbit include the second track, and the second track both sides are set
It is equipped with the first track according to the second Orbital Symmetry, the cross section of the first track is " work " sub- shape, and two first track left ends pass through
Arc track connects, and is provided with fixed plate corresponding with the first track and arc track on the outside of the first track, fixed plate respectively with
First track is connected with arc track by connecting plate, and teeth have been uniformly arranged on the side of fixed plate the first track of direction, the
Two track left ends are provided with swing-around trajectory, and the transverse arm both ends of lifting equipment are respectively arranged with first support arm and second support arm, and first
Support arm and second support arm lower end are both provided with tray, are provided on the tray of first support arm and the second track and swing-around trajectory cooperation
Idler wheel, idler wheel drives through retarder by the second motor of tray side, is provided on the tray of second support arm lower end and the first rail
Road cooperation turns to carrying slide, and the tray side of second support arm lower end is provided with supporting plate, first is fixedly installed on supporting plate
Motor is provided with and the teeth meshed gears in fixed plate in the shaft of first motor.
Specifically, the swing-around trajectory includes the basic pit slot being arranged on the left end ground of the second track, basic pit slot
Bottom surface on be provided with concrete layer, be provided with lower rotary table on concrete layer, there are two annulars for setting on the upper surface of lower rotary table
Arc lower groove, be provided with the edge cam concentric with lower rotary table on the lower rotary table upper surface between two arc lower grooves,
It is provided with top rotary table above lower rotary table, top rotary table lower face is provided with upper arc groove corresponding with arc lower groove, upper arc
Ball is provided between groove and arc lower groove, the position at top rotary table lower face center is provided with shaft, shaft and lower rotary table
On groove cooperation, the lower face side of shaft is provided with flexible upper conductive column, be provided on the slot bottom of groove with it is upper
The opposite lower conductive column of conductive column, top rotary table upper surface are provided with the third track with the second track alignment, are set on third track
It is equipped with the symmetrical slot in center according to shaft, the top that lower end passes through top rotary table and contacted with edge cam is provided in slot
Bar, mandril lower end are provided with baffle ring, and spring is provided between baffle ring and the spring eye of top rotary table lower face, and between two slots
Travel switch is provided on three tracks, travel switch, upper conductive column, lower conductive column and the second motor are electrically connected, spring, top
The longitudinal center line coincidence of bar, slot, spring eye.
Specifically, described turn to two rotations that carrying slide includes the tray lower face setting of second support arm lower end
Plate, rotor plate centre position are connect with tray by steering bearing, and the both ends of rotor plate are located at the both sides of the first track, rotor plate
It is provided at both ends with lateral idler wheel of the longitudinal center line perpendicular to rotor plate, the sliding slot in the first track both sides is arranged in lateral idler wheel
It is interior.
Specifically, the hoist engine that is provided with driver's cabin on the transverse arm and can be slided on transverse arm.
Specifically, described two first tracks and the second track right end are both provided with baffle.
Compared with prior art, beneficial effects of the present invention are：
The present invention increases working region by the way that arc track and swing-around trajectory is arranged, while facilitating trans-regional hang
Dress reduces the quantity of installation lifting equipment, improves work efficiency, high degree of automation, simple operation.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the side view of lifting equipment.
Fig. 3 is the structural schematic diagram of swing-around trajectory.
Fig. 4 is the enlarged drawing of a-quadrant in Fig. 3.
Fig. 5 is the lateral view of the present invention.
Fig. 6 is B in Fig. 5 to sectional view.
Fig. 7 is the structural schematic diagram of lower rotary table.
Fig. 8 is the sectional view of top rotary table.
The circuit diagram of first motor and the second motor when Fig. 9 is failure to actuate for travel switch.
Figure 10 is the circuit diagram of first motor and the second motor after travel switch action.
Figure 11 is the circuit diagram of first motor and the second motor after upper conductive column and the contact of lower conductive column.
Parts title in attached drawing is：
1, the first track, 2, arc track, 3, fixed plate, 4, first support arm, the 5, second track, 6, supporting plate, the 7, first electricity
Machine, 8, top rotary table, 9, baffle, 10, tray, 11, steering bearing, 12, rotor plate, 13, lateral idler wheel, 14, basic pit slot, 15,
Groove, 16, concrete layer, 17, lower rotary table, 18, ball, 19, edge cam, 20, shaft, 21, spring eye, 22, mandril, 23,
Slot, 24, spring, 25, baffle ring, the 26, second motor, 27, retarder, 28, gear, 29, teeth, 30, lower arcuate slot, 31, on
Arc groove, 32, third track, 33, idler wheel, 34, transverse arm, 35, connecting plate, 36, driver's cabin, 37, hoist engine, 38, travel switch,
39, second support arm, 40, upper conductive column, 41, lower conductive column.
Specific implementation mode
As shown, a kind of crane, including basal orbit and lifting equipment, basal orbit includes the second track 5, second
5 both sides of track are provided with according to 5 symmetrical first track 1 of the second track, and the cross section of the first track 1 is " work " sub- shape, and two the
One track, 1 left end is connected by arc track 2, and 1 outside of the first track is provided with corresponding with the first track 1 and arc track 2
Fixed plate 3, fixed plate 3 are connect with the first track 1 and arc track 2 by connecting plate 35 respectively, and fixed plate 3 is towards the first track
Teeth 29 are uniformly arranged on 1 side, 5 left end of the second track is provided with and swing-around trajectory, 34 both ends of transverse arm of lifting equipment
It is respectively arranged with first support arm 4 and second support arm 39, first support arm 4 and 39 lower end of second support arm are both provided with tray 10, and first
The idler wheel 33 with the second track 5 and swing-around trajectory cooperation is provided on the tray 10 of support arm 4, idler wheel 33 is by the of 10 side of tray
Two motors 26 drive through retarder 27, are provided on 39 lower end tray 10 of second support arm and are held with turning to of coordinating of the first track 1
Slide is carried, 10 side of tray of 39 lower end of second support arm is provided with supporting plate 6, is fixedly installed first motor 7 on supporting plate 6, and first
It is provided in the shaft of motor 7 and 29 meshed gears 28 of teeth in fixed plate 3.
The swing-around trajectory includes the basic pit slot 14 being arranged on the left end ground of the second track 5, basic pit slot 14
It is provided with concrete layer 16 on bottom surface, lower rotary table 17 is provided on concrete layer 16, two are provided on the upper surface of lower rotary table 17
The arc lower groove 30 of a annular is provided on 17 upper surface of lower rotary table between two arc lower grooves 30 coaxial with lower rotary table 17
The edge cam 19 of the heart, 17 top of lower rotary table are provided with top rotary table 8, and it is right with arc lower groove 30 that 8 lower face of top rotary table is provided with
The upper arc groove 31 answered is provided with ball 18,8 lower face center of top rotary table between upper arc groove 31 and arc lower groove 30
Position be provided with shaft 20, shaft 20 coordinates with the groove 15 on lower rotary table 17, and the lower face side of shaft 20 is provided with tool
Flexible upper conductive column 40, is provided with the lower conductive column 41 opposite with upper conductive column 40 on the slot bottom of groove 15, on top rotary table 8
End face is provided with the third track 32 being aligned with the second track 5, and the center line pair according to shaft 20 is provided on third track 32
The slot 23 of title is provided with lower end in slot 23 across top rotary table 8 and the mandril 22 that is contacted with edge cam 19,22 lower end of mandril
It is provided with baffle ring 25, spring 24 is provided between the spring eye 21 of 8 lower face of baffle ring 25 and top rotary table, between two slots 23
Travel switch 38 is provided on three tracks 32, travel switch 38, upper conductive column 40, lower conductive column 41 and the second motor 26 electrically connect
It connects, the longitudinal center line coincidence of spring 24, mandril 22, slot 23, spring eye 21.
It is described to turn to two rotor plates 12 that carrying slide includes 10 lower face of the tray setting of 39 lower end of second support arm,
12 intermediate position of rotor plate is connect with tray 10 by steering bearing 11, and the both ends of rotor plate 12 are located at the both sides of the first track 1,
Rotor plate 12 is provided at both ends with lateral idler wheel 13 of the longitudinal center line perpendicular to rotor plate 12, and lateral idler wheel 13 is arranged in the first rail
In the sliding slot of 1 both sides of road.
The hoist engine 37 that is provided with driver's cabin 36 on the transverse arm 34 and can be slided on transverse arm 34.
Described two first tracks 1 and 5 right end of the second track are both provided with baffle 9.
When work, operator controls hoist engine 37 in driver's cabin 36 and slings cargo, starts first motor 7 and the second motor
26, first motor 7 is engaged by gear 28 with the teeth 29 in fixed plate 3, to drive second support arm 39 to move, the second motor
26 drive the rotation of idler wheel 33 so that first support arm 4 moves by retarder 27, and first motor 7 and the second motor 26 are in unit
The distance that driving second support arm 39 and first support arm 4 are run in time is identical, when the idler wheel 33 in first support arm 4 moves to third
After on track 32 and travel switch 38 is touched, the power supply of the second motor 26 is disconnected and makes conductive column by travel switch 38 at this time
40 connect with power supply, because the rotor plate 12 that can turn to carrying slide is connect with tray 10 by steering bearing 11, therefore rotate
Plate 12 can be around the central axis of steering bearing 11, it is ensured that in operational process, four lateral idler wheels 13 and arc track 2 are always
It is in close contact, first motor 7 drives the continuation of second support arm 39 to move through transverse arm 34 on arc track 2 so that first support arm
4 rotations, first support arm 4 drive third track 32 and top rotary table 8 to rotate, and 22 lower end of mandril is gradually to end when third track 32 rotates
The peak direction of face cam 19 is moved, and mandril 22 rises and the gear of idler wheel 33 is prevented idler wheel on third track 32 during this
33 slidings, third track 32 and the second track 5 are aligned again after third track 32 rotates 180 degree, and upper conductive column 40 is led under
Electric column 41 contacts, and the second motor 26 is once again powered up, and first motor 7 and the second motor 26 continue to drive second support arm 39 and the at this time
One support arm 4 moves, thus by goods movement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (6)
1. a kind of crane, which is characterized in that including basal orbit and lifting equipment, basal orbit includes the second track (5), the
Two tracks (5) both sides are provided with according to symmetrical first track (1) of the second track (5), and the cross section of the first track (1) is " work "
Sub- shape, two first track (1) left ends are connected by arc track (2), are provided with and the first track (1) on the outside of the first track (1)
The corresponding fixed plate (3) with arc track (2), fixed plate (3) passes through with the first track (1) and arc track (2) respectively to be connect
Plate (35) connects, and teeth (29), the second track (5) left end have been uniformly arranged on the side of fixed plate (3) the first track of direction (1)
It is provided with swing-around trajectory, transverse arm (34) both ends of lifting equipment are respectively arranged with first support arm (4) and second support arm (39), and first
Support arm (4) and second support arm (39) lower end are both provided with tray (10), are provided on the tray (10) of first support arm (4) and second
The idler wheel (33) of track (5) and swing-around trajectory cooperation, idler wheel (33) is by second motor (26) of tray (10) side through retarder
(27) it drives, is provided on second support arm (39) lower end tray (10) and turns to carrying slide with what the first track (1) coordinated, the
Tray (10) side of two support arms (39) lower end is provided with supporting plate (6), is fixedly installed first motor (7) on supporting plate (6), and first
It is provided in the shaft of motor (7) and teeth (29) meshed gears (28) in fixed plate (3).
2. a kind of crane according to claim 1, which is characterized in that the swing-around trajectory includes being arranged in the second track
(5) the basic pit slot (14) on left end ground is provided with concrete layer (16), concrete layer on the bottom surface of basic pit slot (14)
(16) it is provided with lower rotary table (17) on, setting is there are two the arc lower groove (30) of annular on the upper surface of lower rotary table (17), and two
Be provided on lower rotary table (17) upper surface between arc lower groove (30) with the concentric edge cam (19) of lower rotary table (17),
It is provided with top rotary table (8) above lower rotary table (17), top rotary table (8) lower face is provided with upper arc corresponding with arc lower groove (30)
Connected in star (31), is provided with ball (18) between upper arc groove (31) and arc lower groove (30), in top rotary table (8) lower face
The position of the heart is provided with shaft (20), and shaft (20) coordinates with the groove (15) on lower rotary table (17), the lower face of shaft (20)
Side is provided with flexible upper conductive column (40), be provided on the slot bottom of groove (15) it is opposite with upper conductive column (40) under
Conductive column (41), top rotary table (8) upper surface are provided with the third track (32) being aligned with the second track (5), third track (32)
On be provided with the symmetrical slot in center (23) according to shaft (20), lower end is provided in slot (23) and passes through top rotary table (8)
And the mandril (22) contacted with edge cam (19), mandril (22) lower end are provided with baffle ring (25), baffle ring (25) and top rotary table (8)
It is provided with spring (24) between the spring eye (21) of lower face, stroke is provided on the third track (32) between two slots (23)
It switchs (38), travel switch (38), upper conductive column (40), lower conductive column (41) and the second motor (26) are electrically connected, spring
(24), the longitudinal center line coincidence of mandril (22), slot (23), spring eye (21).
3. a kind of crane according to claim 1, which is characterized in that the carrying slide that turns to includes second support arm
(39) two rotor plates (12) of tray (10) lower face setting of lower end, the intermediate position of rotor plate (12) pass through with tray (10)
Steering bearing (11) connects, and the both ends of rotor plate (12) are located at the both sides of the first track (1), and rotor plate (12) is provided at both ends with axis
To central axis in the lateral idler wheel (13) of rotor plate (12), cunning of lateral idler wheel (13) setting in the first track (1) both sides
In slot.
4. a kind of crane according to claim 1, which is characterized in that be provided on the transverse arm (34) driver's cabin (36) and
The hoist engine (37) that can be slided on transverse arm (34).
5. a kind of crane according to claim 1, which is characterized in that described two first tracks (1) and the second track (5) are right
End is both provided with baffle (9).
6. a kind of application method of crane, which is characterized in that when work, operator is in driver's cabin (36) control hoist engine (37)
Cargo is sling, first motor (7) and the second motor (26) are started, first motor (7) passes through on gear (28) and fixed plate (3)
Teeth (29) engagement, to drive second support arm (39) move, the second motor (26) pass through retarder (27) drive idler wheel
(33) so that first support arm (4) moves, first motor (7) and the second motor (26) drive second within the unit interval for rotation
Support arm (39) is identical with the distance that first support arm (4) is run, when the idler wheel (33) in first support arm (4) moves to third track
(32) after on and travel switch (38) is touched, the power supply of the second motor (26) is disconnected and to lead by travel switch (38) at this time
Electric column (40) is connected with power supply, because the rotor plate (12) that can turn to carrying slide is connected with tray (10) by steering bearing (11)
It connects, therefore rotor plate (12) can be around the central axis of steering bearing (11), it is ensured that in operational process, four lateral idler wheels
(13) it is in close contact always with arc track (2), first motor (7) drives second support arm (39) to continue on arc track (2)
Transverse arm (34) is moved through so that first support arm (4) rotation, first support arm (4) drive third track (32) and top rotary table (8)
Rotation, mandril (22) lower end is gradually moved to the peak direction of edge cam (19) when third track (32) rotates, this process
Middle mandril (22) rises and prevents idler wheel (33) from sliding on third track (32) on idler wheel (33) gear, when third track (32) are revolved
Third track (32) and the second track (5) are aligned again after turnback, and upper conductive column (40) contacts with lower conductive column (41), the
Two motors (26) are once again powered up, and first motor (7) and the second motor (26) continue to drive second support arm (39) and first at this time
Arm (4) moves, thus by goods movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609909.0A CN107200270B (en) | 2017-07-25 | 2017-07-25 | A kind of crane and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609909.0A CN107200270B (en) | 2017-07-25 | 2017-07-25 | A kind of crane and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107200270A CN107200270A (en) | 2017-09-26 |
| CN107200270B true CN107200270B (en) | 2018-11-09 |
Family
ID=59911100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710609909.0A Expired - Fee Related CN107200270B (en) | 2017-07-25 | 2017-07-25 | A kind of crane and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107200270B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422751B (en) * | 2020-03-27 | 2021-11-09 | 中国建筑第八工程局有限公司 | Hoisting device and hoisting method applied to high-altitude hoisting of light component of umbrella-shaped column |
| CN115028065B (en) * | 2022-08-11 | 2022-10-21 | 山东华骏金成能源设备有限公司 | Blowout preventer transferring device and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2356407A1 (en) * | 1973-11-12 | 1975-05-15 | Liebherr Hans Dr Ing E H | Rail crane travel chassis - has wheels bearing on sliding bushes and guide rollers on forks round wheels |
| CN2202739Y (en) * | 1994-01-20 | 1995-07-05 | 李昌祜 | Single-beam suspended track type electric hoist |
| CN2388169Y (en) * | 1999-07-14 | 2000-07-19 | 南京宁海工程技术有限公司 | Ring railless crane |
| CN201756413U (en) * | 2010-07-15 | 2011-03-09 | 天津起重设备有限公司 | Circular travel crane with electric over-rail |
| CN203513124U (en) * | 2013-09-28 | 2014-04-02 | 中铁一局集团有限公司 | Gantry crane for cart capable of running on curve railway |
| CN204265262U (en) * | 2014-12-01 | 2015-04-15 | 河南省矿山起重机有限公司 | A kind of grade beam and use traveling gear, the hoisting crane of this walking grade beam of walking |
| CN206927481U (en) * | 2017-07-25 | 2018-01-26 | 唐志赏 | A kind of crane |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5461716A (en) * | 1977-10-25 | 1979-05-18 | Nippon Kokan Kk <Nkk> | Track vehicle |
| JPH03158389A (en) * | 1989-08-17 | 1991-07-08 | Hitachi Zosen Corp | Direction changing device for over head crane |
-
2017
- 2017-07-25 CN CN201710609909.0A patent/CN107200270B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2356407A1 (en) * | 1973-11-12 | 1975-05-15 | Liebherr Hans Dr Ing E H | Rail crane travel chassis - has wheels bearing on sliding bushes and guide rollers on forks round wheels |
| CN2202739Y (en) * | 1994-01-20 | 1995-07-05 | 李昌祜 | Single-beam suspended track type electric hoist |
| CN2388169Y (en) * | 1999-07-14 | 2000-07-19 | 南京宁海工程技术有限公司 | Ring railless crane |
| CN201756413U (en) * | 2010-07-15 | 2011-03-09 | 天津起重设备有限公司 | Circular travel crane with electric over-rail |
| CN203513124U (en) * | 2013-09-28 | 2014-04-02 | 中铁一局集团有限公司 | Gantry crane for cart capable of running on curve railway |
| CN204265262U (en) * | 2014-12-01 | 2015-04-15 | 河南省矿山起重机有限公司 | A kind of grade beam and use traveling gear, the hoisting crane of this walking grade beam of walking |
| CN206927481U (en) * | 2017-07-25 | 2018-01-26 | 唐志赏 | A kind of crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107200270A (en) | 2017-09-26 |
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Effective date of registration: 20180929 Address after: 362000 Huidong Industrial Zone, Huian County, Quanzhou, Fujian Applicant after: QUANZHOU BAIYUAN HEAVY INDUSTRY MACHINERY Co.,Ltd. Address before: 451162 the 2 building of Zhenghong Central Park at the intersection of Zhenggang three road and Zhenggang four road, Zhengzhou, Henan. Applicant before: Tang Zhishang |
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