CN101691197A - Self-propelled lifter - Google Patents
Self-propelled lifter Download PDFInfo
- Publication number
- CN101691197A CN101691197A CN200910207243A CN200910207243A CN101691197A CN 101691197 A CN101691197 A CN 101691197A CN 200910207243 A CN200910207243 A CN 200910207243A CN 200910207243 A CN200910207243 A CN 200910207243A CN 101691197 A CN101691197 A CN 101691197A
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- self
- hanging basket
- engine installation
- frame part
- propelled elevator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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Abstract
The invention discloses a self-propelled lifter, which comprises an upper vehicle part and a lower vehicle part. The upper vehicle part further comprises a basket (31) which can be moveably arranged at the main body of the self-propelled lifter and also comprises a first power unit, a second power unit and a control unit for supplying power for the upper vehicle part or the lower vehicle part. During the working of the upper vehicle part, the control unit controls the second power unit to start when the first power unit stops working, and thus, dangers caused by sudden power loss of the upper vehicle part are prevented; meanwhile, the self-propelled lifter can be supplied with power not only by the first power unit but also through the second power unit, so various power output modes are provided; and being capable of going down to a depth of about 110 meters, the basket (31) of the self-propelled lifter of the invention can meet the use requirement under specific working conditions.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of self-propelled elevator.
Background technology
Along with the fast development of China's economic construction, market increases day by day for the construction machinery and equipment especially demand of self-propelled elevator.
In some production operation occasion, need carry out regular maintenance and maintenance to equipment, for example the equipment such as permanent ship lock in the hydraulic engineering are in maintenance, when maintenance and observation, the staff need enter in the gallery of ship lock equipment component is overhauled, if adopt by workplatform such as scaffolding erecting, the staff need climb scaffold and enter the working space, labour intensity is bigger, and, instrument that uses when maintenance or material etc. also need to finish by the hoist tool of manpower or setting in addition, the working process complexity, the waste lot of manpower and material resources, and work efficiency is lower.
For addressing the above problem, in carrying out some maintenance or rescue work, often use the self-propelled elevator, the staff is transported to assigned address, thereby makes things convenient for the staff to arrive driving surface smoothly, and observe, check, safeguard and rescue; Simultaneously, can also be with materials needed and tool carrier to driving surface, so that equipment is keeped in repair and changes.
The self-propelled lifter apparatus that is used for building operation and rescue site, mostly be comparatively easy self-propelled elevator, adopt motor-driven mostly or adopt hydraulically powered form, and mostly be fixed type, pass through other vehicles drive during use in the job location, after the end of job, again it is transported out of construction ground, the self-propelled elevator does not generally possess the function of walking voluntarily, thereby has increased the cost in the transportation.The self-propelled elevator that representative type possesses automatic walking function is generally the ICE-powered form, in the walking process of self-propelled elevator, combustion engine provides power for running gear, and when the self-propelled elevator was converted to mode of operation, combustion engine provided power for the work system of self-propelled elevator.Like this, when the self-propelled elevator in lifting process, combustion engine breaks down or oil starvation and when causing work to stop; the self-propelled elevator may aloft be shut down; not only influence its normal work, and, may cause danger to the staff in the self-propelled elevator.
Therefore, how to improve the serviceability of self-propelled elevator, improve self-propelled elevator functional reliability and safety in utilization, just become the problem that those skilled in the art need solve.
Summary of the invention
The purpose of this invention is to provide a kind of self-propelled elevator, it has in-use performance preferably, and has higher functional reliability and safety in utilization.
For solving the problems of the technologies described above, the invention provides a kind of self-propelled elevator, comprise upper frame part and lower frame part, described upper frame part further comprises Lift Part, described Lift Part is installed on the body of described self-propelled elevator movably, comprise that also first engine installation is with thinking that described upper frame part or described lower frame part provide power; Second engine installation and control setup; In the working process of described upper frame part, when described first engine installation quit work, described control setup was controlled described second engine installation and is started.
Preferably, described first engine installation is a combustion engine, and described second engine installation is an electrical motor; Described combustion engine selectively drives described upper frame part or described lower frame part by first Hydraulic Pump, and described electrical motor is by the described upper frame part of second hydraulic pump drive.
Preferably, also comprise the powershift fender guard; When the arbitrary engine installation in described first engine installation and described second engine installation was worked, sensor sent signal to described powershift fender guard, and described control setup is controlled another engine installation and quit work.
Preferably, described Lift Part is a hanging basket; Described self-propelled elevator can also comprise the cylinder that is installed on described body, and the elevator that is wound in described cylinder, and an end of described elevator is fixed in the hanging box of described hanging basket.
Preferably, described hanging basket is connected by lock pin with described hanging box.
Preferably, also comprise connecting rod, first end of described connecting rod is articulated in described hanging box, and its second end is articulated in described body, and described hanging basket is installed on described body by described connecting rod.
Preferably, the periphery of described hanging basket is equipped with the erosion control collision device.
Preferably, described erosion control collision device is the rubber track adjusting wheel.
Preferably, be equipped with on the described hanging basket and be used to detect its angular transducer at the vertical direction inclination angle, described angular transducer transfers to the hanging basket controller with the signal of detected inclination angle angle, described hanging basket controller is compared described inclination angle angle with predefined first angle, when described inclination angle angle during greater than described first angle, described hanging basket controller is controlled described hanging basket and is stopped action.
Preferably, described lower frame part comprises the support oil cylinder that is installed on the below, chassis, to support described body, makes it break away from ground.
Self-propelled elevator provided by the present invention, comprise upper frame part, lower frame part, use and think that described upper frame part or described lower frame part provide first engine installation, second engine installation and the control setup of power, in the working process of upper frame part, when first engine installation quit work, described control setup was controlled second engine installation and is started.Like this, avoided upper frame part to cause danger, improved the safety in utilization and the functional reliability of self-propelled elevator, thereby improved the in-use performance of self-propelled elevator owing to running out of steam suddenly.
A kind of preferred embodiment in; self-propelled elevator provided by the present invention can also comprise the powershift fender guard; when the arbitrary engine installation in above-mentioned first engine installation and second engine installation is worked; sensor sends signal to the powershift fender guard; control setup is handled signal, and control another engine installation wherein quits work.Like this, avoided first engine installation and second engine installation to work simultaneously, made the same time one cover engine installation only be arranged, thereby avoided the operation of engine installation under unloaded situation, saved the energy, reduced cost in work.
In the another kind of specific embodiment, hanging basket provided by the present invention is by the combined action of elevator, cylinder and connecting rod, when hanging basket is worked, by connecting rod hanging basket is pushed into apart from the body certain distance earlier, the effect by elevator and cylinder then drops to distance about 110 meters downwards with hanging basket, and the election effect by the oil cylinder on the connecting rod, with the make progress height of about 4 meters of liftings of hanging basket, to satisfy the operating needs in the specific occasion.
Description of drawings
Fig. 1 is the structural scheme of mechanism of a kind of specific embodiment of self-propelled elevator provided by the present invention;
Fig. 2 overlooks the structural representation of direction for invention provides a kind of specific embodiment of self-propelled elevator.
The specific embodiment
Core of the present invention provides a kind of self-propelled elevator, and it has in-use performance preferably, and has higher functional reliability and safety in utilization.
In order to make those skilled in the art person understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural scheme of mechanism of a kind of specific embodiment of self-propelled elevator provided by the present invention; Fig. 2 overlooks the structural representation of direction for invention provides a kind of specific embodiment of self-propelled elevator.
In a kind of specific embodiment, self-propelled elevator provided by the present invention comprises using and thinks that described upper frame part or described lower frame part provide first engine installation, second engine installation of power, and control setup.In the working process of the upper frame part of self-propelled elevator, when first engine installation quit work, control setup was controlled second engine installation and is started.
Above-mentioned first engine installation can be combustion engine 1, and this combustion engine 1 selectively drives upper frame part or lower frame part by first Hydraulic Pump 71; Above-mentioned second engine installation can be electrical motor 2, and this electrical motor 2 drives upper frame part by second Hydraulic Pump 72.Like this,, utilize the bigger advantage of combustion engine 1 power, make it can either drive the motion of each device of upper frame part, can drive the motion of lower frame part again with the propulsion source parts of combustion engine 1 as first engine installation; And, utilizing electrical motor 2 to be convenient to control with the propulsion source parts of electrical motor 2 as second engine installation, power output is stable and can realize infinite variable speed advantage, makes it drive the work of upper frame part.Above-mentioned combustion engine 1 not only has in-use performance preferably with the hybrid power system of electrical motor 2 combined uses, and has higher economical efficiency, thereby has improved the Combination property of self-propelled elevator; Simultaneously, in the time can't providing power supply in the actual working environment, can the effect by combustion engine 1 realize the normal operation of all systems of self-propelled elevator, thereby improve the applicability of self-propelled elevator, and provide multiple choices for power mode.
Apparently, the propulsion source parts of above-mentioned first engine installation are not limited to combustion engine 1, it also can be conventional other power parts that use in this area, the propulsion source parts of above-mentioned second engine installation also are not limited to electrical motor 2, and it also can be conventional other power parts that use in this area; Simultaneously, the propulsion source parts of above-mentioned first engine installation and the propulsion source parts of second engine installation also are not limited to the array configuration of combustion engine 1 and electrical motor 2, also can be other form, the form of for example two combustion engines etc.
The hanging basket 31 of above-mentioned upper frame part and hanging box 32 are connected by lock pin; Lock pin is arranged at the top of hanging basket 31, is connected with the joint of hoisting rope.The staff or the goods and materials that will need to arrive driving surface by hanging basket 31 rise or descend, to improve the safety of self-propelled elevator, and, be connected by lock pin between hanging basket 31 and the hanging box, when hanging basket 31 need be when the self-propelled elevator be pulled down, only need be opened the lock pin between hanging basket 31 and the hanging box 32, thereby have realized the dismounting of hanging basket 31 comparatively easily, and the hanging basket 31 of different model size can be installed.
Above-mentioned upper frame part is meant, needs engine installation each several part that drive, the self-propelled elevator except that lower frame part.Specifically can comprise:
The hanging basket jacking system; Provide power by above-mentioned combustion engine 1 for first Hydraulic Pump 71, thereby the HM Hydraulic Motor 5 on the head roll 6, and the outputting power by this HM Hydraulic Motor 5 drives cylinder and rotates, thus the winding of elevator on cylinder 6 by lifting hanging basket 31, to realize the rising or the decline of hanging basket 31.
In above-mentioned hanging basket jacking system, can also comprise connecting rod 33, first end of this connecting rod 33 is articulated in hanging box 32, and its second end is articulated in described body, and described hanging basket 31 is installed on described body by described connecting rod 33.Like this, hanging basket 31 is by the combined action of elevator, cylinder 6 and connecting rod 33, when hanging basket 31 work, by connecting rod 33 hanging basket 31 is pushed into apart from the body certain distance earlier, the effect by elevator and cylinder 6 then drops to distance about 110 meters downwards with hanging basket 31, and the election effect by the oil cylinder on the connecting rod 33, with hanging basket 31 height of about 4 meters of liftings upwards, to satisfy the operating needs in the specific occasion.
The platform turning gear; Turn table generally all is installed on the chassis of self-propelled elevator,, thereby personnel or goods and materials is transported to assigned address so that by turn table revolution in the horizontal direction.Provide power by above-mentioned combustion engine 1 for first Hydraulic Pump 71, thus the motor on the driving rotational platform, and the outputting power by this motor drives turn table and turns round in the horizontal direction.
Luffing device; In order to adjust the distance between hanging basket 31 and the driving surface comparatively quickly, make more convenient to operately, on the self-propelled elevator, have luffing device usually.Root at the pull bar 33 of self-propelled elevator basket 31 is equipped with elevating ram, above-mentioned combustion engine 1 or electrical motor 2 provide power for elevating ram, thereby the jointed shaft of flexible drive pull bar 31 between pull bar 31 and arm 32 by elevating ram rotates, to realize the luffing motion of hanging basket 33 on perpendicular.Luffing device in the self-propelled elevator provided by the present invention adopts the four-point lifting luffing design of bilateral arm 32, its characteristics are, pull bar 33 is under any luffing angle, maintenance level among the arm 32, thereby guarantee that four stay cords are in strained condition preferably all the time when vertical suspention, thereby improved the life-span of stay cord.
Except above-mentioned each device, the upper frame part of self-propelled elevator can also comprise other part, does not repeat them here.
Like this, in the working process of the upper frame part of self-propelled elevator, when first engine installation quit work, described control setup was controlled second engine installation and is started.Then avoided upper frame part to cause danger, improved the safety in utilization and the functional reliability of self-propelled elevator, thereby improved the in-use performance of self-propelled elevator owing to running out of steam suddenly.Can also be further improved self-propelled elevator provided by the present invention.
In the another kind of specific embodiment; self-propelled elevator provided by the present invention can also comprise the powershift fender guard; when arbitrary engine installation is worked; sensor sends signal to the powershift fender guard; the powershift fender guard is handled signal, and controls another engine installation and quit work.Particularly, when first engine installation is in running order, sensor arrives and the cooresponding signal of the first engine installation working phase, and this signal is passed to the powershift fender guard, and signal is handled, and control second power control unit and quit work by the powershift fender guard; Vice versa.Like this, make the same time one cover engine installation only be arranged, avoided two cover systems to work simultaneously, thereby avoided the engine installation no-load run, saved the energy, reduced cost in work.
Above-mentioned hanging basket 31 can have a fence gate, and fence gate is provided with limit switch.This limit switch can guarantee that the fence gate of hanging basket 31 can be opened, and has guaranteed staff's processing safety, thereby has further improved the reliability of self-propelled elevator under the safer situation of environment around.
The top of above-mentioned hanging basket 31 can be equipped with guar plate.In the working environment at the construction field (site), harm such as falling object from high altitude taking place possibly, guar plate is installed at the top can be prevented the threat of falling object from high altitude to staff's safety effectively, thereby significantly improved the safety performance of self-propelled elevator.
Apparently, above-mentioned guar plate should have certain intensity.
Above-mentioned hanging basket 31 can adopt all steel material to make, so that it has Combination property preferably.Certainly, the bulk material of hanging basket 31 also is not limited to stainless steel material, also can be the conventional other materials that uses in this area.Zinc-plated processing can be carried out in surface at hanging basket 31, so that hanging basket 31 has lighter deadweight, and higher intensity; And, have the resistant to corrosion performance through hanging basket 31 its surfaces after the zinc-plated processing, thereby significantly improved the service life of hanging basket 31.
The height of fence can be about 110 centimetres around the above-mentioned hanging basket 31, this height can make fence reach the above position of general adult's waist, avoid the staff from hanging basket 31, to fall accidentally, thereby further improved the safety performance of self-propelled elevator.Apparently, the height of above-mentioned fence also is not limited to 110 centimetres, also can be higher than this numerical value, perhaps suitably is lower than this numerical value.
Periphery at above-mentioned hanging basket 31 can be equipped with the erosion control collision device.Because hanging basket 31 when rising or being reduced to specified altitude assignment, generally need turn round under the drive of turn table in the horizontal direction, perhaps need swing on perpendicular under the effect of elevating ram.In the process of revolution and swing, hanging basket 31 may bump with other devices at scene, and the erosion control collision device can protect personnel or the goods and materials in the hanging basket 31 to avoid colliding the damage that is produced, thereby has improved the safety of self-propelled elevator.
Above-mentioned erosion control collision device can be the rubber track adjusting wheel, and when other objects and hanging basket 31 bumped, the rubber track adjusting wheel can play the effect of buffering and impulsive force transfer, and the rubber track adjusting wheel is used extensively in the art, cost is lower, and is convenient to safeguard and change, thereby has saved maintenance cost.
Apparently, above-mentioned erosion control collision device is not limited to the rubber track adjusting wheel, and it mainly act as by having the device of certain cushion effect, and hanging basket 31 is protected.The erosion control collision device can be any device with buffer action, and its concrete form and scantling of structure should not be subjected to the restriction of this specification sheets.
Be equipped with on the described hanging basket 31 and be used to detect the angular transducer of described hanging basket 31 at the vertical direction inclination angle, this angular transducer transfers to the hanging basket controller with the signal of detected inclination angle angle, the hanging basket controller is compared the inclination angle angle with predefined first angle, when inclination angle angle during greater than this first angle, hanging basket controller control hanging basket 31 stops action.Like this, when hanging basket 31 at the leaning angle of vertical direction during greater than the angle value of first angle, make that by the hanging basket controller hanging basket 31 stops to continue to rise or descend, avoided because the inclination of hanging basket 31 makes its in-to-in personnel or goods and materials cause danger, thereby further improved the safety in utilization of self-propelled elevator.
The number range of above-mentioned first angle is 8 °～11 °.When bevelled angle during greater than this range of sizes, more easily cause danger, and when angle value during less than this angular range, measure and the meaning of control less, therefore, take all factors into consideration factors such as actual condition and equipment cost, select the scope of above-mentioned first angle.Apparently, the scope of above-mentioned first angle also is not limited to 8 °～11 °, also can be less than this angular range or suitably greater than this scope.
The lower frame part that self-propelled elevator provided by the present invention is provided can comprise the support oil cylinder 7 that is installed on the below, chassis, to support described body, makes it break away from ground.
More than a kind of self-propelled elevator provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. a self-propelled elevator comprises upper frame part and lower frame part, and described upper frame part further comprises Lift Part, and described Lift Part is installed on the body of described self-propelled elevator movably, it is characterized in that, also comprise,
First engine installation is with thinking that described upper frame part or described lower frame part provide power;
Second engine installation and control setup;
In the working process of described upper frame part, when described first engine installation quit work, described control setup was controlled described second engine installation and is started.
2. self-propelled elevator according to claim 1 is characterized in that, described first engine installation is combustion engine (1), and described second engine installation is electrical motor (2); Described combustion engine (1) selectively drives described upper frame part or described lower frame part by first Hydraulic Pump (71), and described electrical motor (2) drives described upper frame part by second Hydraulic Pump (72).
3. self-propelled elevator according to claim 2 is characterized in that, also comprises the powershift fender guard; When the arbitrary engine installation in described first engine installation and described second engine installation was worked, sensor sent signal to described powershift fender guard, and described control setup is controlled another engine installation and quit work.
4. according to each described self-propelled elevator of claim 1 to 3, it is characterized in that described Lift Part is hanging basket (31); Described self-propelled elevator can also comprise the cylinder (6) that is installed on described body, and the elevator that is wound in described cylinder (6), and an end of described elevator is fixed in the hanging box (32) of described hanging basket (31).
5. self-propelled elevator according to claim 4 is characterized in that, described hanging basket (31) is connected by lock pin with described hanging box (32).
6. self-propelled elevator according to claim 5, it is characterized in that also comprise connecting rod (33), first end of described connecting rod (33) is articulated in described hanging box, its second end is articulated in described body, and described hanging basket (31) is installed on described body by described connecting rod (33).
7. self-propelled elevator according to claim 6 is characterized in that, the periphery of described hanging basket (31) is equipped with the erosion control collision device.
8. self-propelled elevator according to claim 7 is characterized in that, described erosion control collision device is the rubber track adjusting wheel.
9. according to each described self-propelled elevator of claim 5 to 8, it is characterized in that, be equipped with on the described hanging basket (31) and be used to detect its angular transducer at the vertical direction inclination angle, described angular transducer transfers to the hanging basket controller with the signal of detected inclination angle angle, described hanging basket controller is compared described inclination angle angle with predefined first angle, when described inclination angle angle during greater than described first angle, described hanging basket controller is controlled described hanging basket (31) and is stopped action.
10. according to each described self-propelled elevator of claim 1 to 3, it is characterized in that described lower frame part comprises the support oil cylinder (7) that is installed on the below, chassis,, make it break away from ground to support described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910207243A CN101691197A (en) | 2009-10-22 | 2009-10-22 | Self-propelled lifter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910207243A CN101691197A (en) | 2009-10-22 | 2009-10-22 | Self-propelled lifter |
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| CN101691197A true CN101691197A (en) | 2010-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910207243A Pending CN101691197A (en) | 2009-10-22 | 2009-10-22 | Self-propelled lifter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797885A (en) * | 2010-05-07 | 2010-08-11 | 威海广泰空港设备股份有限公司 | Double-power device with transfer case of container lifting platform truck |
| CN104139726A (en) * | 2014-01-13 | 2014-11-12 | 李瑞琪 | Special transport vehicle for well service equipment performing blowout prevention operation |
| CN104632251A (en) * | 2014-12-31 | 2015-05-20 | 上海市机械施工集团有限公司 | Integrally cast type mould plate trolley and construction method of concrete pouring of underground passage |
| CN104787531A (en) * | 2015-03-31 | 2015-07-22 | 仪征祥源动力供应有限公司 | Efficient and energy-saving automatic warehouse emergency electric goods taking device |
| CN106042120A (en) * | 2016-08-12 | 2016-10-26 | 安吉县孝丰天友竹木机械制造厂 | Multifunctional automatic feeding bamboo cutting machine |
| CN106113185A (en) * | 2016-08-12 | 2016-11-16 | 安吉县孝丰天友竹木机械制造厂 | A kind of high stationarity automatic charging cuts open bamboo machine |
| CN108716230A (en) * | 2018-07-26 | 2018-10-30 | 徐工集团工程机械有限公司 | Engineering truck |
| CN109843779A (en) * | 2016-10-17 | 2019-06-04 | 日本美装株式会社 | The Work vehicle for having nacelle device |
| CN112208425A (en) * | 2020-09-29 | 2021-01-12 | 安徽茗达专用汽车制造有限公司 | Electric power engineering construction emergency car |
| CN114212475A (en) * | 2021-12-31 | 2022-03-22 | 华晓精密工业(苏州)有限公司 | 4-degree-of-freedom cantilever shaft type AGV system |
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2009
- 2009-10-22 CN CN200910207243A patent/CN101691197A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797885A (en) * | 2010-05-07 | 2010-08-11 | 威海广泰空港设备股份有限公司 | Double-power device with transfer case of container lifting platform truck |
| WO2011137656A1 (en) * | 2010-05-07 | 2011-11-10 | 威海广泰空港设备股份有限公司 | Dual-power device with transfer case of container lift platform truck |
| CN104139726A (en) * | 2014-01-13 | 2014-11-12 | 李瑞琪 | Special transport vehicle for well service equipment performing blowout prevention operation |
| CN104632251A (en) * | 2014-12-31 | 2015-05-20 | 上海市机械施工集团有限公司 | Integrally cast type mould plate trolley and construction method of concrete pouring of underground passage |
| CN104787531A (en) * | 2015-03-31 | 2015-07-22 | 仪征祥源动力供应有限公司 | Efficient and energy-saving automatic warehouse emergency electric goods taking device |
| CN106113185A (en) * | 2016-08-12 | 2016-11-16 | 安吉县孝丰天友竹木机械制造厂 | A kind of high stationarity automatic charging cuts open bamboo machine |
| CN106042120A (en) * | 2016-08-12 | 2016-10-26 | 安吉县孝丰天友竹木机械制造厂 | Multifunctional automatic feeding bamboo cutting machine |
| CN109843779A (en) * | 2016-10-17 | 2019-06-04 | 日本美装株式会社 | The Work vehicle for having nacelle device |
| CN109843779B (en) * | 2016-10-17 | 2021-06-04 | 日本美装株式会社 | Work vehicle with basket device |
| CN108716230A (en) * | 2018-07-26 | 2018-10-30 | 徐工集团工程机械有限公司 | Engineering truck |
| CN108716230B (en) * | 2018-07-26 | 2023-10-03 | 江苏徐工工程机械研究院有限公司 | engineering vehicle |
| CN112208425A (en) * | 2020-09-29 | 2021-01-12 | 安徽茗达专用汽车制造有限公司 | Electric power engineering construction emergency car |
| CN112208425B (en) * | 2020-09-29 | 2022-01-18 | 楚胜汽车集团有限公司 | Electric power engineering construction emergency car |
| CN114212475A (en) * | 2021-12-31 | 2022-03-22 | 华晓精密工业(苏州)有限公司 | 4-degree-of-freedom cantilever shaft type AGV system |
| CN114212475B (en) * | 2021-12-31 | 2024-05-17 | 华晓精密工业(苏州)有限公司 | 4-Degree-of-freedom cantilever shaft type AGV system |
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Application publication date: 20100407 |