CN2769241Y - Non-base automatic weight full-automatic tower crane apparatus - Google Patents

Non-base automatic weight full-automatic tower crane apparatus Download PDF

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Publication number
CN2769241Y
CN2769241Y CN 200420063917 CN200420063917U CN2769241Y CN 2769241 Y CN2769241 Y CN 2769241Y CN 200420063917 CN200420063917 CN 200420063917 CN 200420063917 U CN200420063917 U CN 200420063917U CN 2769241 Y CN2769241 Y CN 2769241Y
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CN
China
Prior art keywords
fuselage
tower crane
walking
weight
weight box
Prior art date
Application number
CN 200420063917
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Chinese (zh)
Inventor
万维柔
Original Assignee
万维柔
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Priority to CN 200420063917 priority Critical patent/CN2769241Y/en
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Publication of CN2769241Y publication Critical patent/CN2769241Y/en

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Abstract

The utility model relates to a crane and a hoisting machine, particularly a non-base automatic balance weight full-automatic tower crane apparatus. The utility model is characterized in that the utility model comprises a machine base (1), a main body (2), a hanging arm (3), a track walking speed reducer (5), a rotary speed reducer (6) of the main body, a lifting winding engine (7), a tackle walking winding engine (8), a balance weight vehicle (11) and a steel rail (4), wherein the upper part of the main body (2) is connected with the hanging arm (3) through a shaft sleeve (16) to form a tower crane supporting structure, the lower part of the main body (2) is connected with a big gear (10) through a roller bearing (33) to form a tower crane rotary structure, and one side of the main body (2) is connected with a walking track (14) of a balance weight box, and a support frame (15) of the balance weight box to form a supporting structure of the balance weight vehicle (11). The utility model has the advantages of simple structure, low cost, security, flexible operation, convenient transportation, labour saving, short installation time, no base by the help of force, light weight and axial rotation, and the utility model can carry out self suspension in installation, disassembly and movement. Mortality rates and the casualty rates are reduced by the utility model until the mortality rates and the casualty rates don't exist. The utility model has wide application, is not only suitable for building industry, but also the cargo handling of the construction of railways and bridges, the construction of open-air underground engineering, equipment installation, stations, wharves and goods yards. The utility model can also replace overhead cranes for installing a load fixing range, such as, the overhead cranes of production departments, loading and unloading automobiles, crown blocks of trains, etc.

Description

Foundation-free automatic weighing full automaticity tower crane device
Technical field: the utility model relates to crane, hoisting crane, is specially a kind of foundation-free automatic weighing full automaticity tower crane device.
Background technology: at present, there are a lot of not enough and shortcomings 1 in normally used weight-lifting equipment such as tower crane, be weight (as automobile) or fixed weight (as tower crane) guarantee the to sling object of constant weight that leans on self; 2, present tower crane counterweight all is on very high very high arm, generally all be iron block or cement block as counterweight, be very much dangerous; 3, how high the many Gao Zeta of building fall to have, and operating personal all is in aloft work, if collapse accident appears in tower crane, then operating personal all is a narrow escape from death, is very much dangerous; 4, tower crane can not horizontal and vertically move on ground, is a dead thing, and 5, the wasting manpower and material resources must lay foundation; 6, tower crane when making axial rotation be by support as fulcrum, arm rotates, and is dumb, danger coefficient is big.The technical scheme that does not have to find to have related content through State Patent Office's patent of invention, the inquiry of utility model light disk retrieval.
Summary of the invention: the purpose of this utility model be to provide a kind of simple in structure, with low cost, safe and reliable, easy to use, do not need to lay foundation, can axially rotate, coaster can be on arm walking freely, only need the tackle arrangement of unidirectional power, counterweight, winch are configured in below the fuselage, use the mechanics principle of lever, by the gravitation of the earth to object, realize the self-equalizing between hanging object and this machine counterweight, the foundation-free automatic weighing full automaticity tower crane device that uses other's strength to boost yourself.The purpose of this utility model is achieved in that it comprises support (1), fuselage (2), arm (3), track travel reductor (5), fuselage rotational delay machine (6), lift winch (7), coaster walking winch (8), weight vehicle (11) and rail (4) part.The top warp beam sleeve (16) of fuselage (2) connects and composes the tower crane supporting construction with arm (3), the bottom connects and composes the tower crane rotational structure through cylindrical bearing (33) and big gear wheel (10), the one side warp of fuselage (2) and the supporting construction of weight box walking track (14) and weight box support (15) formation weight vehicle (11), the opposite side of fuselage (2) is through connecting and composing tower crane coaster lifting structure with steel rope fixed pulley (17), steel rope (21), walking coaster (18), and support (1) is through connecting and composing tower crane ground running structure with positive transport wheel (24); The bottom angle steel (35) that fuselage rotational delay machine (6), lift winch (7), coaster walking winch (8) are connected in fuselage (2) constitutes the tower crane structure of winch below fuselage; Steel rope (21) one ends are fixed on the weight vehicle (11), and the other end is connected with hook (56) through diameter-changing wheel (13).Support (1) is to constitute rectangular base by I-beam section (30), I-beam section (30) diagonal line constitutes four equilateral triangles, I-beam section (30) connects and composes right-angled triangle with steel pipe and bearing inner sleeve (27), be connected with axle bed (23), positive transport wheel (24), big belt pulley (25) on the axle of track travel reductor (5), (26) make small belt pulley (31) be connected with big belt pulley (25) hinge joint through the V-belt.Fuselage (2) is constituted by angle steel (35), and rotation driving gear (34) one ends are connected with fuselage rotational delay machine (6), the other end and big gear wheel (10) connect and compose fuselage (2) rotating mechanism; (35) four pin of angle steel are connected with fuselage adapter sleeve (37), and removable pole (38) one ends are connected with angle steel (35), the other end is connected with universal wire rope pulley (40).I-beam section (30), coaster walking trapezoidal wheel the (46), steel rope fixed pulley (17), stop nut (49) are arranged between two block plates (47); Coaster live axle (50) on coaster trapezoidal wheel of walking (46) at the place, space of I-beam section (30) and steel plate (47) passes steel plate (47) and is connected and fixed I-beam section (30) by bolt (44), and sheave shaft (48) passes steel plate (47), steel rope fixed pulley (17) I-beam section (30), stop nut (49) captives joint with bolt (44).Bolt (44) passes weight box walking track (14) captives joint with fuselage (2), the bottom of weight box (51) and I-beam section (30) are welded to connect, road wheel (52) is connected with I-beam section (30), weight box (51) is the flexible connection on three seats and the channel-section steel, and the front end of weight box support (15) and fuselage (2) are walked track (14) by bolted connection by the rear end and the weight box of bolted connection, weight box support (15).The utility model has the advantages that: simple in structure, with low cost, safe and reliable, flexible operation, convenient in carrying, use other's strength to boost yourself that art is good for strength.Set-up time weak point, the foundation-free that uses other's strength to boost yourself, in light weight, can axially rotate, can hang certainly in installation, dismounting, when mobile; Reduced dead, casualty rate, until to not having.The utility model is widely applicable, be not only applicable to building industry, also be applicable to construction, equipment installation, station, the harbour of the construction of railway, bridge Beam, open-air underground works, the cargo handing in goods yard, the overhead traveling crane of fixed range is carried in also alternative installation again, hangs as the sky of the overhead traveling crane of workshop, loading and unloading automobile, train etc.
Description of drawings: Fig. 1 is the utility model structural principle scheme drawing; Fig. 2 looks scheme drawing for the utility model stand structure principle master; Fig. 3 is the utility model stand structure principle E-E cross-sectional schematic; Fig. 4 looks scheme drawing for the utility model airframe structure principle master; Fig. 5 is the utility model airframe structure principle A-A cross-sectional schematic; Fig. 6 looks scheme drawing for joint structural principle master in the utility model fuselage; Fig. 7 is a joint structural principle B-B cross-sectional schematic in the utility model fuselage; Fig. 8 is the utility model arm single-unit structural principle schematic top plan view; Fig. 9 looks scheme drawing for the utility model arm single-unit structural principle master; Figure 10 is the utility model arm single-unit structural principle schematic side view; Figure 11 looks scheme drawing for the utility model arm walking pulley structure principle master; Figure 12 is the former C-C cross-sectional schematic of the utility model arm single structure; Figure 13 is the utility model weight vehicle and the shelf structure principle side scheme drawing of bowing; Figure 14 is the former D-D cross-sectional schematic of the utility model weight vehicle and shelf structure; Figure 15 hangs the structural principle scheme drawing certainly for the utility model fuselage; Figure 16 hangs the structural principle scheme drawing certainly for the utility model arm; Figure 17 hangs the structural principle scheme drawing mutually for the utility model two-shipper; Figure 18 is the utility model flooring constructing structure principle schematic top plan view; Figure 19 is the utility model flooring constructing structure principle schematic.A-is the crane direction of travel, and B--is the overhead crane control scope, C-building bearing wall, stock ground, D-ground, E-building plane, F-hopper, M-building.
The specific embodiment: it comprises support (1), fuselage (2), arm (3), track travel reductor (5), fuselage rotational delay machine (6), lift winch (7), coaster walking winch (8), weight vehicle (11) and rail (4) part.The top warp beam sleeve (16) of fuselage (2) connects and composes the tower crane supporting construction with arm (3), the bottom connects and composes the tower crane rotational structure through cylindrical bearing (33) and big gear wheel (10), the one side warp of fuselage (2) and the supporting construction of weight box walking track (14) and weight box support (15) formation weight vehicle (11), the opposite side of fuselage (2) is through connecting and composing tower crane coaster lifting structure with steel rope fixed pulley (17), steel rope (21), walking coaster (18), and support (1) is through connecting and composing tower crane ground running structure with positive transport wheel (24); The bottom angle steel (35) that fuselage rotational delay machine (6), lift winch (7), coaster walking winch (8) are connected in fuselage (2) constitutes the tower crane structure of winch below fuselage; Steel rope (21) one ends are fixed on the weight vehicle (11), and the other end is connected with hook (56) through diameter-changing wheel (13).Support (1) is to constitute rectangular base by I-beam section (30), I-beam section (30) diagonal line constitutes four equilateral triangles, I-beam section (30) connects and composes right-angled triangle with steel pipe and bearing inner sleeve (27), be connected with axle bed (23), positive transport wheel (24), big belt pulley (25) on the axle of track travel reductor (5), (26) make small belt pulley (31) be connected with big belt pulley (25) hinge joint through the V-belt.Fuselage (2) is constituted by angle steel (35), and rotation driving gear (34) one ends are connected with fuselage rotational delay machine (6), the other end and big gear wheel (10) connect and compose fuselage (2) rotating mechanism; (35) four pin of angle steel are connected with fuselage adapter sleeve (37), and removable pole (38) one ends are connected with angle steel (35), the other end is connected with universal wire rope pulley (40).I-beam section (30), coaster walking trapezoidal wheel the (46), steel rope fixed pulley (17), stop nut (49) are arranged between two block plates (47); Coaster live axle (50) on coaster trapezoidal wheel of walking (46) at the place, space of I-beam section (30) and steel plate (47) passes steel plate (47) and is connected and fixed I-beam section (30) by bolt (44), and sheave shaft (48) passes steel plate (47), steel rope fixed pulley (17) I-beam section (30), stop nut (49) captives joint with bolt (44).Bolt (44) passes weight box walking track (14) captives joint with fuselage (2), the bottom of weight box (51) and I-beam section (30) are welded to connect, road wheel (52) is connected with I-beam section (30), weight box (51) is the flexible connection on three seats and the channel-section steel, and the front end of weight box support (15) and fuselage (2) are walked track (14) by bolted connection by the rear end and the weight box of bolted connection, weight box support (15).
Coro bearng (29) is equipped with in solid drawn pipe (28) upper end.Drive big belt pulley through the V-belt by small belt pulley and drive the front and back walking in orbit of positive transport wheel rotation realization complete machine.Fuselage rotational delay machine drives miniature gears (34) and rotates, and miniature gears drives big gear wheel and rotates the axial rotation that realizes 360 ° on fuselage.Being welded with the fuselage adapter sleeve on the fuselage is connected by bolt, can install pole at any time on every joint fuselage, the bottom of last pole is fixed on the fuselage, thrust baring is equipped with in the upper end (39) and universal wire rope pulley is so that use when assembling of the present utility model, dismounting.Be welded with at an end of angle steel that arm connects public plate (41), other end arm connects motherboard (42) and is connected with main saving by axle.The two ends of I-beam section respectively are drilled with 4 holes (43), are connected with main joint with steel plate.The steel rope fixed pulley of 3 guiding is housed on the arm, suspension hook (20) is equipped with to be welded with on steel rope movable pulley (19), the arm walking coaster is housed on axle sleeve, the I-beam section, the walking coaster is connected with locating sleeve (45) through bolt, be equipped with on the coaster live axle that coaster walking is trapezoidally taken turns, the steel rope fixed pulley on the sheave shaft adjusts steel rope fixed pulley warp spacers with stop nut, lift winch, steel rope are through being fixed on the sleeve pipe (53) behind steel rope fixed pulley and the steel rope movable pulley.Steel rope fixed pulley and the steel rope fixed pulley of the arm front end sleeve pipe (54) that be fixed to walking coaster of the steel rope of coaster walking winch on jib gone up, drawn a pine promptly to finish the front and back walking of walking coaster through one of coaster walking winch.Diameter-changing wheel, travel switch (12) and steel rope fixed pulley are equipped with in weight box walking track rear end, road wheel is installed on the weight box support that welds with I-beam section, weight box is three independently iron casees, interchangeable, removable, mass in the case can be selected for use the building ground to make and need sandstone, also can make the osed top water tank, filled with water counterweight (summer available water, winter can with husky).The utility model is when the lifting object, and via controller (9) moves down to the front end that lift winch rotates the pulling arm, and then upwards lift the rear end, and the pulling steel rope rotates diameter-changing wheel pulling weight vehicle and moves backward.Follow the travel distance that decides weight vehicle according to the weight size of lifting object.When hanging object weight during greater than assumed load, when the end that weight vehicle runs to weight box walking track was run into travel switch, outage quit work automatically.When hanging object weight was reduced within the assumed load, the utility model was resumed work.Change has the double grooved pulley of two different diameters of axle through wheel, one end rope of small grooved wheel steel rope is in the rear end of arm, the other end is fixed on change on wheel twine a few in sulculus after, the steel rope one end rope of big grooved wheel is on weight vehicle, the other end is fixed on change on wheel, according to the diameter of the big race of design be steamboat groove diameter N doubly, then the travel distance of weight vehicle just be equivalent to the steamboat girth N doubly.Basis of the present utility model be located in building originally on one's body, make full use of building, raise along with the rising of building.Achieve this end, solve three problems: 1st, the load-carrying capacity of building itself? 2nd, successively mobile whether convenient? 3rd, influence normal building operation? table 1 example has gone out and identical each property comparison of product QTZ20 type.
Table 1
The type contrast Maximum weight Arm head hangs carrying capacity Tower height Maximum is hung the amplitude of carrying Amplitude peak Lifting velocity Speed of revolutions M/S Complete machine weight Counterweight The body of the tower specification Power Price
This machine ??2T ??1 ??T ??8M ??7M ??12M ??25/S ??0.7/S ??1.5T ??1.8T ??0.8×0.8× ????1.5 10 watt thousand 40,000
??QT ??Z2 ??0 ??2T ??0. ??7 ??T ??4M ??12 ??M ??30M ??25/S ??0.7/S ??12.3 ??T ??2.8T ??1.3×1.3× ????2.5 15 .4 watts thousand 180,000
As calculated with the checking on probation of model machine, 1st, complete machine weight of the present utility model is 1.5T suspended object body weight 2T when operating at full capacity, counterweight is 1.8T, adding up to weight is that 5.3T and the weight distribution of 5.3T (are pressed the every linear meter load-bearing of the 37cm bearing wall 50T of design code building, the every linear meter load-bearing of the bearing wall of 24cm 30T) weight of bearing only is 1/12 to 1/20 of main design weight on 3 linear meter bearing walls.Do not use and can cause any jammed or safety hazard at the building platform to building itself.2nd, the single-piece of the utility model maximum is no more than 300KG, if that joins a lifting 300KG hangs use for a short time, by 4 workman's dismounting and mobile next level, just in 4 hours, can finish, as using the identical tower crane of specification simultaneously, move to next level just need not dismantle to hang mutually.(seeing Figure 17) the 3rd, the utility model are no more than 8 meters tens meters rice extremely up to a hundred with tower crane and highly come ratio, and obvious safety of the present utility model is higher.4th, the radius of rotation of the utility model arm is 1/4th of a tower crane arm radius of rotation, and it is smaller to the threat that the people below the arm and thing may be subjected to.5th, chaufeur of the present utility model free operant in tens meters scopes on this utility model plane is compared safer with the aloft work in operator's compartment of tower crane chaufeur.6th, the counterweight on the utility model tower crane arm, winch, movable motor etc. are reseted the root that all moves on to fuselage fully, are the key of the utility model raising device security performance, the stability and the safety that have improved equipment self.7th, national benefit, only being applied to tower crane in the building engineering with the utility model is example (but other industry also this equipment of widespread use).Conservative estimate: 100,000 on the existing tower crane just under arms of national construction trade, average every tower crane and weight are 40T (is intermediate value with QTZ40 type tower crane) and weight of the present utility model only is its 1/10th to 1/20th, and pacifying 1/10th calculates, can save 360,000 tons of steel, save concrete weight coating and basis and can save 300,000 tons of cement, economize on electricity 1/3rd to 1/4th is more than year economize on electricity 200,000 degree.These resources are used in national defence or other economic construction and are gone, produce great national economy benefit? 8th, from media report, learn, almost each big city all has 2-3 play crane machine to fall the accident that the people dies, damages other building every year, and the utility model safety performance improves greatly, maximum beyond doubt social benefit, it has wide range of applications, and also can bring better benefit to all trades and professions.9th, user's benefit: with the construction trade is example, the calculating of peace table 1.The basis expense can be saved 5000 yuan, and erection cost can be saved 8000 yuan, and freight charges can save 2000 yuan, the electricity charge can save 1000 yuan (pacifys 200 working days calculating) compare with tower crane the procuring equipment money can save 10 surplus ten thousand yuan.But also can increase work efficiency, the reduction of erection time.10th, the utility model Applicable scope is very extensive, it is not only applicable to the cargo handing that building industry also is applicable to railway, bridge Beam construction, open-air underground works, equipment installation, station, harbour, goods yard, the also alternative overhead traveling crane that is installed in fixed range, as the overhead traveling crane of workshop, the sky of loading and unloading automobile, train hangs etc.Fuselage of the present utility model and arm can utilize the pole that carries at random to realize from hanging in the process of Assembly ﹠Disassembly.The application (see Figure 18,19) of (seeing Figure 15,16) the utility model in building engineering.

Claims (4)

1, a kind of foundation-free automatic weighing full automaticity tower crane device, it comprises support (1), fuselage (2), arm (3), track travel reductor (5), fuselage rotational delay machine (6), lift winch (7), coaster walking winch (8), weight vehicle (11) and rail (4) part, it is characterized in that: the top warp beam sleeve (16) of fuselage (2) connects and composes the tower crane supporting construction with arm (3), the bottom connects and composes the tower crane rotational structure through cylindrical bearing (33) and big gear wheel (10), the one side warp of fuselage (2) and the supporting construction of weight box walking track (14) and weight box support (15) formation weight vehicle (11), opposite side warp and steel rope fixed pulley (17) of fuselage (2), steel rope (21), walking coaster (18) connects and composes tower crane coaster lifting structure, and support (1) is through connecting and composing tower crane ground running structure with positive transport wheel (24); The bottom angle steel (35) that fuselage rotational delay machine (6), lift winch (7), coaster walking winch (8) are connected in fuselage (2) constitutes the tower crane structure of winch below fuselage; Steel rope (21) one ends are fixed on the weight vehicle (11), and the other end is connected with hook (56) through diameter-changing wheel (13).
2, a kind of foundation-free automatic weighing full automaticity tower crane device according to claim 1, it is characterized in that: support (1) is to constitute rectangular base by I-beam section (30), I-beam section (30) diagonal line constitutes four equilateral triangles, I-beam section (30) connects and composes right-angled triangle with steel pipe and bearing inner sleeve (27), be connected with axle bed (23), positive transport wheel (24), big belt pulley (25) on the axle of track travel reductor (5), (26) make small belt pulley (31) be connected with big belt pulley (25) hinge joint through the V-belt.
3, a kind of foundation-free automatic weighing full automaticity tower crane device according to claim 1, it is characterized in that: fuselage (2) is constituted by angle steel (35), and rotation driving gear (34) one ends are connected with fuselage rotational delay machine (6), the other end and big gear wheel (10) connect and compose fuselage (2) rotating mechanism; (35) four pin of angle steel are connected with fuselage adapter sleeve (37), and removable pole (38) one ends are connected with angle steel (35), the other end is connected with universal wire rope pulley (40).
4, a kind of foundation-free automatic weighing full automaticity tower crane device according to claim 1, it is characterized in that: the bottom of weight box (51) and I-beam section (30) are welded to connect, road wheel (52) is connected with I-beam section (30), weight box (51) is the flexible connection on three seats and the channel-section steel, and the front end of weight box support (15) and fuselage (2) are walked track (14) by bolted connection by the rear end and the weight box of bolted connection, weight box support (15).
CN 200420063917 2004-12-08 2004-12-08 Non-base automatic weight full-automatic tower crane apparatus CN2769241Y (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101492143B (en) * 2009-03-02 2011-07-27 姜长平 Wind power generation structure system combined hanging method and rotary suspension arm mechanism
CN102786006A (en) * 2011-05-20 2012-11-21 上海庞源机械租赁股份有限公司 Super large-gauge walking tower-type crane walking underframe structure
CN102887438A (en) * 2011-07-21 2013-01-23 象王重工股份有限公司 Maintenance crane for electric full-variable frequency rock crushing station
CN102963824A (en) * 2012-11-22 2013-03-13 昆山华风风电科技有限公司 Fan blade suspension transporting device
CN102992204A (en) * 2012-10-24 2013-03-27 中船华南船舶机械有限公司 Double-body deck crane
CN103359627A (en) * 2013-07-31 2013-10-23 周慧 Cylinder self-balancing single arm split crane
CN103612998A (en) * 2013-12-05 2014-03-05 广西大学 Double-track height-variable gantry tower crane
CN103640994A (en) * 2013-11-25 2014-03-19 无锡起岸重工机械有限公司 Marine semidetached crane
CN103818834A (en) * 2014-03-13 2014-05-28 高文科 Loading and unloading machine, vehicle-mounted loading and unloading vehicle and walking-type loading and unloading vehicle
CN105776082A (en) * 2014-12-13 2016-07-20 哈尔滨市三和佳美科技发展有限公司 Double-chamber type rotating lifting table for vehicle
CN105776083A (en) * 2014-12-13 2016-07-20 哈尔滨市三和佳美科技发展有限公司 Single-chamber type rotating lifting table for vehicle
CN106495046A (en) * 2016-12-29 2017-03-15 陈世平 A kind of bottom weight formula tower crane
CN106957014A (en) * 2017-04-25 2017-07-18 中国十九冶集团有限公司 Mobile hoisting mechanism

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101492143B (en) * 2009-03-02 2011-07-27 姜长平 Wind power generation structure system combined hanging method and rotary suspension arm mechanism
CN102786006A (en) * 2011-05-20 2012-11-21 上海庞源机械租赁股份有限公司 Super large-gauge walking tower-type crane walking underframe structure
CN102887438A (en) * 2011-07-21 2013-01-23 象王重工股份有限公司 Maintenance crane for electric full-variable frequency rock crushing station
CN102992204A (en) * 2012-10-24 2013-03-27 中船华南船舶机械有限公司 Double-body deck crane
CN102963824A (en) * 2012-11-22 2013-03-13 昆山华风风电科技有限公司 Fan blade suspension transporting device
CN103359627A (en) * 2013-07-31 2013-10-23 周慧 Cylinder self-balancing single arm split crane
CN103359627B (en) * 2013-07-31 2015-07-08 周慧 Cylinder self-balancing single arm split crane
CN103640994A (en) * 2013-11-25 2014-03-19 无锡起岸重工机械有限公司 Marine semidetached crane
CN103612998A (en) * 2013-12-05 2014-03-05 广西大学 Double-track height-variable gantry tower crane
CN103818834A (en) * 2014-03-13 2014-05-28 高文科 Loading and unloading machine, vehicle-mounted loading and unloading vehicle and walking-type loading and unloading vehicle
CN103818834B (en) * 2014-03-13 2015-12-02 高文科 Loader-unloader, in-vehicle loading-unloading vehicle and walking loading-unloading vehicle
CN105152042A (en) * 2014-03-13 2015-12-16 李怡然 Loading and unloading truck for construction
CN105197808A (en) * 2014-03-13 2015-12-30 张秀禾 Building block charging crane
CN105152042B (en) * 2014-03-13 2016-12-21 骆玲晓 Loading-unloading vehicle for building
CN105776082A (en) * 2014-12-13 2016-07-20 哈尔滨市三和佳美科技发展有限公司 Double-chamber type rotating lifting table for vehicle
CN105776083A (en) * 2014-12-13 2016-07-20 哈尔滨市三和佳美科技发展有限公司 Single-chamber type rotating lifting table for vehicle
CN106495046A (en) * 2016-12-29 2017-03-15 陈世平 A kind of bottom weight formula tower crane
CN106495046B (en) * 2016-12-29 2019-07-26 陈世平 A kind of bottom weight formula tower crane
CN106957014A (en) * 2017-04-25 2017-07-18 中国十九冶集团有限公司 Mobile hoisting mechanism

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