CN105110190A - Control method for balance weight of tire crane with movable balance weight system - Google Patents
Control method for balance weight of tire crane with movable balance weight system Download PDFInfo
- Publication number
- CN105110190A CN105110190A CN201510439304.2A CN201510439304A CN105110190A CN 105110190 A CN105110190 A CN 105110190A CN 201510439304 A CN201510439304 A CN 201510439304A CN 105110190 A CN105110190 A CN 105110190A
- Authority
- CN
- China
- Prior art keywords
- counterweight
- moving counterweight
- moving
- tire crane
- control method
- 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.)
- Granted
Links
Landscapes
- Jib Cranes (AREA)
Abstract
Provided is a control method for a balance weight of a tire crane with a movable balance weight system. According to the method, a gravity sensor and a tilt angle sensor are detected, a tilt angle and a sling load are converted to moment, a movable balance weight device is started, and the rotation angle of the movable balance weight device is detected for feedback. By means of the steps, balance control over a movable balance weight of the tire crane is achieved. Alternatively, spiral landing legs are arranged at the four corners of a crane body, pressure sensors used for detecting pressure exerted on the spiral landing legs are arranged on the spiral landing legs, the difference values between the pressure sensors are compared, the movable balance weight device is started, and the rotation angle of the movable balance weight device is detected for feedback, and by means of the steps, balance control over the movable balance weight of the tire crane is achieved. According to the control method for the balance weight of the tire crane with the movable balance weight system, by the adoption of the steps, automatic control over the movable balance weight can be achieved, the movable balance weight can be matched with the moment of the sling load, moment balance is achieved, construction safety is ensured, and the service life of equipment is prolonged.
Description
Technical field
The present invention relates to tyre crane field, particularly a kind of tire crane counterweight control method with moving counterweight system.
Background technology
Tire crane is the swing arm rotary crane utilizing rubber-tyred chassis to walk, and is made up of body part and turntable portion, and turntable arranges arm and operator's compartment.It is good that tire crane has manoevreability, convenient transfer, high construction efficiency, the advantage of safety.Problems existing is, when hoisting construction, turntable should be provided with counterweight relative to the other end of arm, and to keep balance with hoisting heavy, and along with the increase of lifting amount, counterweight also needs corresponding increase.The deadweight of such tire crane is higher, and impact travels manoevreability.How to reduce deadweight, increase the technical barrier that hoisting weight is tire crane always simultaneously.
Also the scheme that moving counterweight is set is had, but the moving counterweight of control manually usually adopted, there is certain potential safety hazard, there is no the scheme automatically controlling moving counterweight at present.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of tire crane counterweight control method with moving counterweight system, can realize the Auto-matching between moving counterweight control with lift heavy, guarantee construction safety.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of tire crane counterweight control method with moving counterweight system, turntable is connected with car body by column, turntable is provided with moving counterweight device, the structure of moving counterweight device is: moving counterweight is connected with permanent seat with vertical shaft by connecting rod, and actuating device drives vertical shaft and moving counterweight to rotate;
Arm and car body hinged, be provided with in the upper end of arm for detecting suspension hook weight sensor; Be provided with obliquity sensor at arm, comprise the following steps:
One, detecting the weight sensor whether super upper limit, is then stoppage protection, otherwise next step;
Two, whether comparison weight sensor exceedes counterweight and starts limit, otherwise do not start moving counterweight device, program directly returns the first step, be then next step;
Three, whether detect obliquity sensor, inclination angle and lift heavy are converted into moment, detecting and transfinite, is stop lifting by crane rear startup moving counterweight device, otherwise next step;
Four, start moving counterweight device, fed back by the pivot angle of detected activity counter weight device;
The balance being realized tire crane moving counterweight by above step is controlled.
Be provided with spiral supporting leg in the corner of car body, spiral supporting leg is provided with the pressure sensor for detecting pressure.
Each pressure sensor of Scanning Detction, the difference between pressure sensor exceedes the upper limit, then stoppage protection.
The top of vertical shaft is provided with fluted disc, and in described actuating device, motor is connected with worm screw, and worm and wheel is connected with a joggle, and worm gear is connected with transmission gear by transmission shaft, and transmission gear and fluted disc are connected with a joggle.
Angle detection device is provided with at motor, fluted disc or worm gear place.
A kind of tire crane counterweight control method with moving counterweight system, turntable is connected with car body by column, turntable is provided with moving counterweight device, and the structure of moving counterweight device is: moving counterweight is connected with permanent seat with vertical shaft by connecting rod, and actuating device drives vertical shaft and moving counterweight to rotate;
Be provided with spiral supporting leg in the corner of car body, spiral supporting leg is provided with the pressure sensor for detecting pressure, near column, be also provided with rotary angle transmitter, for detecting the corner of turntable, comprises the following steps:
One, detecting each pressure sensor, calculate the whether super upper limit of difference between each pressure sensor, is then stoppage protection, otherwise next step;
Whether the difference two, between each pressure sensor of comparison exceedes counterweight starts limit, otherwise do not start moving counterweight device, program directly returns the first step, be then next step;
Three, start moving counterweight device, fed back by the pivot angle of detected activity counter weight device;
The balance being realized tire crane moving counterweight by above step is controlled.
Arm and car body hinged, be provided with in the upper end of arm for detecting suspension hook weight sensor; Obliquity sensor is provided with at arm.
Gravitational moment is calculated by detection weight sensor and obliquity sensor, when gravitational moment exceedes the upper limit, then stoppage protection.
The top of vertical shaft is provided with fluted disc, and in described actuating device, motor is connected with worm screw, and worm and wheel is connected with a joggle, and worm gear is connected with transmission gear by transmission shaft, and transmission gear and fluted disc are connected with a joggle.
Angle detection device is provided with at motor, fluted disc or worm gear place.
A kind of tire crane counterweight control method with moving counterweight system provided by the invention, by adopting above step, can realize the automatic control of moving counterweight, the moment of moving counterweight and lift heavy is matched, realize moment balance, guarantee construction safety, and the service life of extension device.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is integral structure schematic diagram of the present invention.
Fig. 2 is the schematic top plan view of moving counterweight device in the present invention.
Fig. 3 is the close-up schematic view at A place in Fig. 1.
Fig. 4 is the schematic flow sheet of control program of the present invention.
Fig. 5 is the preferred flow schematic diagram of control program of the present invention.
Fig. 6 is the schematic flow sheet of another control program of the present invention.
Fig. 7 is the preferred flow schematic diagram of another control program of the present invention.
In figure: car body 1, column 2, turntable 3, moving counterweight device 4, moving counterweight 401, connecting rod 402, fluted disc 403, angle detection device 4031, vertical shaft 404, transmission gear 405, worm gear 406, worm screw 407, motor 408, first cylindrical bearing 409, thrust baring 410, second cylindrical bearing 411, transmission shaft 412, permanent seat 5, top board 51, support 6, become inclination angle winding plant 7, lifting winding plant 8, arm 9, obliquity sensor 901, suspension hook 10, weight sensor 101, spiral supporting leg 11, front pressure sensor 1101, rear pressure sensor 1101', center line 12.
Detailed description of the invention
Embodiment 1:
As in Fig. 1 ~ 4, a kind of tire crane counterweight control method with moving counterweight system, turntable 3 is connected with car body 1 by column 2, turntable 3 is provided with moving counterweight device 4, the structure of moving counterweight device 4 is: moving counterweight 401 is connected with permanent seat 5 with vertical shaft 404 by connecting rod 402, vertical shaft is positioned at the position near permanent seat 5 afterbody, and the top of vertical shaft 404 is provided with fluted disc 403
Actuating device is connected with fluted disc 403, and actuating device drives vertical shaft 404 and moving counterweight 401 to rotate by fluted disc 403.
Arm 9 is hinged with car body 1, and be provided with in the upper end of arm 9 for detecting suspension hook 10 weight sensor, weight sensor also can be arranged on suspension hook 10; Obliquity sensor is provided with at arm 9.The inclination angle of arm 9 is controlled by change inclination angle winding plant 7.The lifting of suspension hook is controlled by lifting winding plant 8.Become inclination angle winding plant 7 and lift by crane winding plant 8 and complete crane lifting service by work compound.
Structure thus, when constructing, drives vertical shaft 404 to rotate by actuating device, moving counterweight 401 is arranged in if Fig. 2 is near the position of permanent seat 5 afterbody, thus extends the arm of force of counterweight, be conducive to the balance weight reducing tire crane.After tested, under the prerequisite not reducing lifting amount, alleviate 25 ~ 30% overall balance weights, significantly reduce energy consumption, improve traveling manoevreability.In this example, permanent seat 5 is also as a part for counterweight.Afterbody in this example is with car body 1 for object of reference, as the right side in Fig. 1 is the afterbody of permanent seat 5.
In described actuating device, motor 408 is connected with worm screw 407, and worm screw 407 and worm gear 406 are connected with a joggle, and worm gear 406 is connected with transmission gear 405 by transmission shaft 412, and transmission gear 405 and fluted disc 403 are connected with a joggle.Adopt worm-and-wheel gear, while realizing big retarding ratio, the effect of self-locking can be had, avoid moving counterweight 401 be affected by gravity and swing.In this example, transmission gear 405 and fluted disc 403 are all positioned under top board 51, thus reserve the larger space for advancing equipment at permanent seat 5 top.Transmission shaft 412 is through top board 51, and the upper end of transmission shaft 412 is connected with worm gear 406, and the lower end of transmission shaft 412 is connected with transmission gear 405, and transmission gear 405 is by two bearing supportings.
Angle detection device is provided with at motor 408, fluted disc 403 or worm gear 406 place.Structure thus, can according to the position of operating mode quick adjustment moving counterweight 401.
As shown in Figure 3, described vertical shaft 404 is supported by the first cylindrical bearing 409 and the second cylindrical bearing 411 preferred scheme, and the first cylindrical bearing 409 and the second cylindrical bearing 411 lay respectively at above and below connecting rod 402.Structure thus, make the reliably stressed of vertical shaft 404, and rotary resistance is little, is convenient to control.
Preferred scheme as shown in Figure 3, is also provided with thrust baring 410 between vertical shaft 404 and permanent seat 5.Structure thus, makes the rotation of vertical shaft 404 more smooth, stressed also more reliable.
As shown in Figure 3, permanent seat 5 adopts the structure of multiple-level stack to preferred scheme, is strained between each layer by bolt.The multiple-structure of permanent seat 5 self as counterweight, preferably can adopt cast iron casting to form, adopts the structure of multiple-level stack, be convenient to install miscellaneous part, such as vertical shaft 404, fluted disc 403 and thrust baring 410.
Be provided with location structure between each layer of permanent seat 5, structure thus, be convenient to the accurate location between each layer permanent seat, be beneficial to miscellaneous part, such as the installation of vertical shaft 404.
The control program of this example comprises the following steps:
One, detecting the weight sensor whether super upper limit, is then stoppage protection, otherwise next step; The upper limit herein, refers to that this equipment can the upper limit of lifting, when exceeding higher limit, then and direct stoppage protection.Step guarantees the safety of equipment thus.
Two, whether comparison weight sensor exceedes counterweight and starts limit, otherwise do not start moving counterweight device 4, program directly returns the first step, be then next step; Counterweight starts limit and refers under the operating mode that arm 9 inclination angle is maximum, do not start under the operating mode that namely arm 9 stretches out farthest moving counterweight device 4 allows the weight of lifting.
Three, whether detect obliquity sensor, for benchmark, inclination angle and lift heavy are converted into moment with center line 12, detecting and transfinite, is stop lifting by crane rear startup moving counterweight device 4, otherwise next step; Whether whether transfinite and namely detect current moment and match with the position of moving counterweight 401, if do not mate, then start the motor 408 in moving counterweight device 4 after stopping lifting, driving moving counterweight 401 rotates the position to matching, and then works on.
Four, start moving counterweight device 4, fed back by the pivot angle of detected activity counter weight device 4; According to detecting the moment obtained, motor 408, driving moving counterweight 401 rotates the position to matching, to realize dynamical equilibrium.
As shown in Figure 2, be provided with angle detection device (4031) in the position of fluted disc (403), adopt differential to control, by corresponding with lift heavy moment for fluted disc (403) corner calibration, thus drive fluted disc (403) to corresponding corner calibration according to moment.
The balance being realized tire crane moving counterweight by above step is controlled.
As in Fig. 1,5, be provided with spiral supporting leg 11 in the corner of car body 1, spiral supporting leg 11 is provided with the pressure sensor for detecting pressure.
Each pressure sensor of Scanning Detction, the difference between pressure sensor exceedes the upper limit, then stoppage protection.Difference of pressure between spiral supporting leg 11 can reflect the risk of toppling the most intuitively, is therefore used as insurance with the difference of pressure between each spiral supporting leg 11 and controls, further increase safety.
Embodiment 2:
A kind of tire crane counterweight control method with moving counterweight system, turntable 3 is connected with car body 1 by column 2, turntable 3 is provided with moving counterweight device 4, the structure of moving counterweight device 4 is: moving counterweight 401 is connected with permanent seat 5 with vertical shaft 404 by connecting rod 402, and actuating device drives vertical shaft 404 and moving counterweight 401 to rotate;
Be provided with spiral supporting leg 11 in the corner of car body 1, spiral supporting leg 11 is provided with the pressure sensor for detecting pressure, near column 2, be also provided with rotary angle transmitter, for detecting the corner of turntable 3.Comprise the following steps:
One, detecting each pressure sensor, calculate the whether super upper limit of difference between each pressure sensor, is then stoppage protection, otherwise next step; The upper limit herein, refers to that this equipment can the upper limit of lifting, when exceeding higher limit, then and direct stoppage protection.Step guarantees the safety of equipment thus.
Whether the difference two, between each pressure sensor of comparison exceedes counterweight starts limit, otherwise do not start moving counterweight device 4, program directly returns the first step, be then next step;
Three, start moving counterweight device 4, fed back by the pivot angle of detected activity counter weight device 4; According to the rotary angle transmitter measuring and calculating moment near the difference between each pressure sensor and column 2, the moving counterweight 401 in moving counterweight device 4 is driven to rotate angle to matching, to realize dynamical equilibrium according to this moment by starter motor 408.Because the difference of pressure between on each spiral supporting leg 11 is the parameter the most intuitively guaranteeing tire crane safety.
Preferably, detecting weight sensor 101 and obliquity sensor 901 and obtain current moment, driving the moving counterweight 401 in moving counterweight device 4 to rotate angle to matching, to realize dynamical equilibrium according to current moment by motor 408.
The balance being realized tire crane moving counterweight by above step is controlled.
In preferred scheme, arm 9 is hinged with car body 1, is provided with for detecting suspension hook 10 weight sensor in the upper end of arm 9; Obliquity sensor is provided with at arm 9.
Lift heavy moment is calculated by detection weight sensor and obliquity sensor, when gravitational moment exceedes the upper limit, then stoppage protection.In this example, then the moment recorded using weight sensor and obliquity sensor, as Protection parameters, further increases safety.
The top of vertical shaft 404 is provided with fluted disc 403, and in described actuating device, motor 408 is connected with worm screw 407, and worm screw 407 and worm gear 406 are connected with a joggle, and worm gear 406 is connected with transmission gear 405 by transmission shaft 412, and transmission gear 405 and fluted disc 403 are connected with a joggle.
Angle detection device is provided with at motor 408, fluted disc 403 or worm gear 406 place.With the angle position of feedback activity counterweight 401 at any time.
For the scheme of the pressure sensor of detection spiral supporting leg 11, because the survey precision error of front pressure sensor 1101 and rear pressure sensor 1101' is relatively large, therefore usual by limiting the less of lift heavy setting, retain larger Safety Redundancy.And need lifting to exceed the operating mode of restriction lift heavy for some occasion, then limit the work efficiency of equipment.
Further in preferred technical scheme, the scheme that diagonal angle is arranged can be adopted, thus given play to the maximum hoisting weight of tire crane of the present invention.Be specially, during parking, make one of them spiral supporting leg 11 close and aim at hoisting heavy, properly fixed.Revolving-turret to arm 9 points to this spiral supporting leg 11, now near column 2, arranges rotary angle transmitter, feeds back to a signal, control setup, and normally PLC resets the restriction of maximum lift heavy according to this signal, to reach the biggest lifting capacity that equipment allows.Moving counterweight device 4 regulates the position of moving counterweight 401 according to gravitational moment.
The above embodiments are only the preferred technical solution of the present invention, and should not be considered as restriction of the present invention, and the embodiment in the application and the feature in embodiment, can combination in any mutually when not conflicting.The technical scheme that protection scope of the present invention should be recorded with claim, the equivalents comprising technical characteristic in the technical scheme of claim record is protection domain.Namely the equivalent replacement within the scope of this improves, also within protection scope of the present invention.
Claims (10)
1. the tire crane counterweight control method with moving counterweight system, turntable (3) is connected with car body (1) by column (2), turntable (3) is provided with moving counterweight device (4), the structure of moving counterweight device (4) is: moving counterweight (401) is connected with permanent seat (5) with vertical shaft (404) by connecting rod (402), and actuating device drives vertical shaft (404) and moving counterweight (401) to rotate;
Arm (9) is hinged with car body (1), is provided with for detecting suspension hook (10) weight sensor in the upper end of arm (9); Be provided with obliquity sensor at arm (9), it is characterized in that comprising the following steps:
One, detecting the weight sensor whether super upper limit, is then stoppage protection, otherwise next step;
Two, whether comparison weight sensor exceedes counterweight and starts limit, otherwise do not start moving counterweight device (4), program directly returns the first step, be then next step;
Three, whether detect obliquity sensor, inclination angle and lift heavy are converted into moment, detecting and transfinite, is stop lifting by crane rear startup moving counterweight device (4), otherwise next step;
Four, start moving counterweight device (4), fed back by the pivot angle of detected activity counter weight device (4);
The balance being realized tire crane moving counterweight by above step is controlled.
2. a kind of tire crane counterweight control method with moving counterweight system according to claim 1, it is characterized in that: be provided with spiral supporting leg (11) in the corner of car body (1), spiral supporting leg (11) is provided with the pressure sensor for detecting pressure.
3. a kind of tire crane counterweight control method with moving counterweight system according to claim 2, is characterized in that: each pressure sensor of Scanning Detction, the difference between pressure sensor exceedes the upper limit, then stoppage protection.
4. a kind of tire crane counterweight control method with moving counterweight system according to claim 1, it is characterized in that: the top of vertical shaft (404) is provided with fluted disc (403), in described actuating device, motor (408) is connected with worm screw (407), worm screw (407) and worm gear (406) are connected with a joggle, worm gear (406) is connected with transmission gear (405) by transmission shaft (412), and transmission gear (405) and fluted disc (403) are connected with a joggle.
5. a kind of tire crane counterweight control method with moving counterweight system according to claim 1, is characterized in that: be provided with angle detection device at motor (408), fluted disc (403) or worm gear (406) place.
6. the tire crane counterweight control method with moving counterweight system, turntable (3) is connected with car body (1) by column (2), turntable (3) is provided with moving counterweight device (4), the structure of moving counterweight device (4) is: moving counterweight (401) is connected with permanent seat (5) with vertical shaft (404) by connecting rod (402), and actuating device drives vertical shaft (404) and moving counterweight (401) to rotate;
Spiral supporting leg (11) is provided with in the corner of car body (1), spiral supporting leg (11) is provided with the pressure sensor for detecting pressure, near column (2), being also provided with rotary angle transmitter, for detecting the corner of turntable (3), it is characterized in that comprising the following steps:
One, detecting each pressure sensor, calculate the whether super upper limit of difference between each pressure sensor, is then stoppage protection, otherwise next step;
Whether the difference two, between each pressure sensor of comparison exceedes counterweight starts limit, otherwise do not start moving counterweight device (4), program directly returns the first step, be then next step;
Three, start moving counterweight device (4), fed back by the pivot angle of detected activity counter weight device (4);
The balance being realized tire crane moving counterweight by above step is controlled.
7. a kind of tire crane counterweight control method with moving counterweight system according to claim 6, is characterized in that: arm (9) is hinged with car body (1), is provided with for detecting suspension hook (10) weight sensor in the upper end of arm (9); Obliquity sensor is provided with at arm (9).
8. a kind of tire crane counterweight control method with moving counterweight system according to claim 7, is characterized in that: calculate gravitational moment by detection weight sensor and obliquity sensor, when gravitational moment exceedes the upper limit, then and stoppage protection.
9. a kind of tire crane counterweight control method with moving counterweight system according to claim 6, it is characterized in that: the top of vertical shaft (404) is provided with fluted disc (403), in described actuating device, motor (408) is connected with worm screw (407), worm screw (407) and worm gear (406) are connected with a joggle, worm gear (406) is connected with transmission gear (405) by transmission shaft (412), and transmission gear (405) and fluted disc (403) are connected with a joggle.
10. a kind of tire crane counterweight control method with moving counterweight system according to claim 9, is characterized in that: be provided with angle detection device at motor (408), fluted disc (403) or worm gear (406) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439304.2A CN105110190B (en) | 2015-07-24 | 2015-07-24 | Tire crane counterweight control method with moving counterweight system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439304.2A CN105110190B (en) | 2015-07-24 | 2015-07-24 | Tire crane counterweight control method with moving counterweight system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105110190A true CN105110190A (en) | 2015-12-02 |
| CN105110190B CN105110190B (en) | 2017-03-15 |
Family
ID=54658364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510439304.2A Active CN105110190B (en) | 2015-07-24 | 2015-07-24 | Tire crane counterweight control method with moving counterweight system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105110190B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219420A (en) * | 2016-07-06 | 2016-12-14 | 徐州市久发工程机械有限责任公司 | A kind of fast erecting traveling tower crane |
| CN110900619A (en) * | 2019-10-25 | 2020-03-24 | 珠海格力电器股份有限公司 | Walking transfer robot |
| CN112978575A (en) * | 2021-03-02 | 2021-06-18 | 上汽大众汽车有限公司 | Lifting appliance with laser calibration and grinding wheel overturning functions |
| CN117105094A (en) * | 2023-08-31 | 2023-11-24 | 徐州建机工程机械有限公司 | Leveling control system and method for tower crane |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214903A (en) * | 2008-01-09 | 2008-07-09 | 湖南三一起重机械有限公司 | Method for measuring crane hoisting weight and counter weight and force moment controlling method and system |
| CN201458605U (en) * | 2009-07-09 | 2010-05-12 | 徐州徐工随车起重机有限公司 | Turnover weight balance mechanism for lorry-mounted crane |
| CN102826469A (en) * | 2012-08-24 | 2012-12-19 | 三一重工股份有限公司 | Anti-overturning device and engineering machine |
| CN102826465A (en) * | 2012-09-11 | 2012-12-19 | 三一集团有限公司 | Rotary counterweight mechanism and crane |
| CN103010957A (en) * | 2012-12-18 | 2013-04-03 | 三一重工股份有限公司 | Crane working condition inquiring system and method |
| CN103046606A (en) * | 2012-12-21 | 2013-04-17 | 中联重科股份有限公司 | Engineering mechanical equipment, movable counterweight system and control method |
-
2015
- 2015-07-24 CN CN201510439304.2A patent/CN105110190B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214903A (en) * | 2008-01-09 | 2008-07-09 | 湖南三一起重机械有限公司 | Method for measuring crane hoisting weight and counter weight and force moment controlling method and system |
| CN201458605U (en) * | 2009-07-09 | 2010-05-12 | 徐州徐工随车起重机有限公司 | Turnover weight balance mechanism for lorry-mounted crane |
| CN102826469A (en) * | 2012-08-24 | 2012-12-19 | 三一重工股份有限公司 | Anti-overturning device and engineering machine |
| CN102826465A (en) * | 2012-09-11 | 2012-12-19 | 三一集团有限公司 | Rotary counterweight mechanism and crane |
| CN103010957A (en) * | 2012-12-18 | 2013-04-03 | 三一重工股份有限公司 | Crane working condition inquiring system and method |
| CN103046606A (en) * | 2012-12-21 | 2013-04-17 | 中联重科股份有限公司 | Engineering mechanical equipment, movable counterweight system and control method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219420A (en) * | 2016-07-06 | 2016-12-14 | 徐州市久发工程机械有限责任公司 | A kind of fast erecting traveling tower crane |
| CN110900619A (en) * | 2019-10-25 | 2020-03-24 | 珠海格力电器股份有限公司 | Walking transfer robot |
| CN112978575A (en) * | 2021-03-02 | 2021-06-18 | 上汽大众汽车有限公司 | Lifting appliance with laser calibration and grinding wheel overturning functions |
| CN117105094A (en) * | 2023-08-31 | 2023-11-24 | 徐州建机工程机械有限公司 | Leveling control system and method for tower crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105110190B (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102001593B (en) | Crane | |
| CN101450767B (en) | Polar coordinate mode horizontal automatic regulating cargo sling and method | |
| CN105110190A (en) | Control method for balance weight of tire crane with movable balance weight system | |
| RU2499762C2 (en) | Method of tower crane rotary part control | |
| CN109641730A (en) | Hydraulic crane | |
| CN109704236B (en) | Forklift with anti-toppling function | |
| US20240067509A1 (en) | Manual Displacement Mechanism, and Method for Displacing a Device | |
| CN103010952B (en) | Tail slipping device for hoisting equipment, tail slipping vehicle and equipment hoisting method | |
| CN204848045U (en) | Take tire crane of activity counter weight system | |
| CN106458552A (en) | A load handling apparatus for a forklift | |
| CN105110212B (en) | Tire crane with moving counterweight system | |
| CN210620020U (en) | Hoisting mechanism for installing mine electromechanical equipment | |
| KR102605242B1 (en) | Car lift with automatic balancing function and Car lifting method | |
| CN208898459U (en) | Long-range control, unpiloted crawler-type hydraulic elevating platform | |
| CN102530747A (en) | Synchronous structure of crawler-type counterweight trolley and crane comprising same | |
| CN205531533U (en) | Double -deck sky parking mechanism | |
| CN205634708U (en) | Tower crane becomes counter weight mechanism | |
| CN209778209U (en) | Automatic navigation vehicle with jacking device | |
| WO2017195140A1 (en) | Crane for lifting and transporting loads, equipped with a drive system | |
| CN208700495U (en) | A kind of self-balancing lifting frame | |
| CN207468065U (en) | A kind of column cantilever crane | |
| CN203450729U (en) | Hopper elevator | |
| CN207889755U (en) | Slope automatic leveling transport vehicle | |
| CN205419554U (en) | Balancing beam gradient detection device | |
| CN102680249B (en) | Automatic vertical adjusting device of tractor hydraulic hoisting test bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171010 Address after: 443300 Hubei province Yidu Honghuatao town of Yuyang Village Patentee after: Yichang Chang Feng Machinery Manufacturing Co. Ltd. Address before: 443002 Yichang University Road, Hubei, No. 8 Patentee before: China Three Gorges University |