CN114030984A - Grab Crane Automatic Counterweight Mechanism - Google Patents
Grab Crane Automatic Counterweight Mechanism Download PDFInfo
- Publication number
- CN114030984A CN114030984A CN202111442250.7A CN202111442250A CN114030984A CN 114030984 A CN114030984 A CN 114030984A CN 202111442250 A CN202111442250 A CN 202111442250A CN 114030984 A CN114030984 A CN 114030984A
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- suspension
- crossbearer
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- frame
- connecting rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 70
- 239000000725 suspension Substances 0.000 claims abstract description 63
- 238000001514 detection method Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/445—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
- B66C1/447—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated by hydraulic or pneumatic motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
- B66C13/085—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to a concrete cutting processing technology field specifically discloses automatic counter weight mechanism of grab bucket hoist, and it includes the guide rail, is connected with the crossbeam on the guide rail, is provided with the motor on the crossbeam, is connected with the chain under the motor, and the chain is connected with first crossbearer, first crossbearer is the rectangle structure, and first crossbearer includes long crossbearer and short crossbearer, the long crossbearer of both sides is connected to the chain, is provided with suspension mechanism on the short crossbearer of both sides respectively, suspension mechanism include with short crossbearer contact and by the suspension beam that short crossbearer supported and with the fixed two suspension arms that downwardly extending of suspension beam, the suspension rod passes short crossbearer, suspension rod and short crossbearer sliding connection, the lower extreme of suspension rod has first connecting rod through nut lock connection, fixedly connected with second crossbearer on the first connecting rod, the second crossbearer is provided with two. The problem of concrete body damage body when pressing from both sides the transportation because of not horizontal when leading to the cutting is solved to this application patent, can realize real-time dynamic adjustment, convenience simple to use.
Description
Technical Field
The invention relates to the technical field of concrete cutting and processing, in particular to an automatic counterweight mechanism of a grab crane.
Background
Autoclaved aerated concrete products (autoclaved aerated concrete blocks, plates and the like) are widely used as wall building materials due to the advantages of light weight, high strength, fire resistance, flame retardance, easy cutting and drilling processing, strong bearing capacity, environmental protection and the like. At present, along with the diversified development of building styles and the popularization and application of fabricated buildings, the requirement of the building market for the specification diversity of autoclaved aerated concrete products is continuously increased, and the specification diversity of the autoclaved aerated concrete products is realized by corresponding autoclaved aerated concrete production equipment. In the production process of the autoclaved aerated concrete product, the blank clamping device is a key device for clamping and transporting the autoclaved aerated concrete blank from the die to a cutting production line.
In the production process of autoclaved aerated concrete products, a blank cutting process is usually carried out, so that a large blank subjected to casting molding is cut into small-sized blanks with the size specification equivalent to that of a final product. Cutting of the blanks typically requires a horizontal cut parallel to the horizontal, a transverse cut perpendicular to the horizontal, and a longitudinal cut perpendicular to both the horizontal and the transverse directions.
The plate cutting modes mainly comprise two modes, namely, a domestic common mature turning cutting mode; the other type is normal cutting, the blank does not need to be turned, the blank is clamped and placed on a cutting machine from an opened die by a large blank clamping machine in the cutting mode, in the process, a bottom groove cutting process can be carried out, the level of the blank and the level of the blank clamping machine are guaranteed to be very important, the bottom groove is not consistent in depth, and the blank is easily damaged when the blank is placed on the cutting machine.
Because the long length of demand board is different, so the length of idiosome is changing constantly, can not thoroughly solve this problem with fixed mode counter weight, needs when the idiosome length changes, automatic balance weight part on the double-layered base machine carries out automatically regulated.
Disclosure of Invention
The invention aims to provide an automatic counterweight mechanism of a grab crane, which aims to solve the problem that a concrete blank is damaged during cutting due to non-horizontality during clamping and transportation.
In order to solve the above problems, the technical solution provided by the present invention is as follows: the grab bucket crane automatic counterweight mechanism comprises a guide rail, a cross beam is connected onto the guide rail, a motor is arranged on the cross beam, a chain is connected below the motor, the chain is connected with a first cross frame, the first cross frame is of a rectangular structure and comprises a long cross frame and a short cross frame, the chain is connected with the long cross frames on two sides, suspension mechanisms are respectively arranged on the short cross frames on two sides, each suspension mechanism comprises a suspension beam which is in contact with the short cross frame and supported by the short cross frame and two suspension rods which are fixed with the suspension beam and extend downwards, the suspension rods penetrate through the short cross frame and are in sliding connection with the short cross frame, the lower ends of the suspension rods are in locking connection with a first connecting rod through nuts, a second cross frame is fixedly connected onto the first connecting rod, the second cross frame is provided with two second cross frames, the first connecting rod and the second cross frame are perpendicular to each other in the horizontal plane, the second cross frames are fixed at two ends of the first connecting rod, an automatic counterweight mechanism is arranged at the top end of the suspension mechanism on the short cross frame on one side, the automatic counterweight mechanism comprises a servo motor, a steering mechanism and a lead screw.
The beneficial effect of this embodiment lies in: the automatic balance weight adjusting mechanism of the device measures the obtained height difference by using a sensing device of a detection level decoder, data are transmitted to a control system of the device by utilizing decoding analysis of the detection level decoder, the control system outputs instructions to a servo motor after data processing analysis, the servo motor drives a screw rod to rotate by controlling a transmission rod, the screw rod rotates to drive a suspension mechanism to lift, and the level of two ends of a second cross frame is adjusted by lifting a suspension rod, so that the device can realize dynamic adjustment in the process of clamping blanks, can prevent the device from being stressed to cause secondary non-level in the process of moving on a guide rail, realizes real-time adjustment, and can realize adjustment of the precision of +/-1 mm by matching the screw rod and a turbine worm, is more accurate in adjustment, and can quickly realize horizontal adjustment of clamping and placing of the blanks, the use is simple and convenient.
The first preferred scheme is as follows: a shell of the steering mechanism serving as a basic scheme is fixed at the middle point of the upper part of a suspension beam, a servo motor is fixed on the side face of the shell of the steering mechanism, bevel gears which are meshed with each other are arranged in the steering mechanism, two groups of structures formed by lead screws are arranged in the steering mechanism and are respectively arranged at two ends of the suspension beam, and a transmission rod is connected with the lead screws through a worm and gear structure. The beneficial effect of this preferred scheme lies in: the steering mechanism is connected with the servo motor and drives the steering mechanism through the servo motor so that the lead screw drives the lifting mechanism to adjust, and the scheme can realize accurate adjustment of +/-1 mm.
The preferred scheme II is as follows: as a further optimization of the first preferred scheme, a nut matched with the screw rod is arranged on the short transverse frame at a position corresponding to the bottom of the screw rod, the top of the screw rod is connected with a second connecting rod through the nut, the second connecting rod and the screw rod rotate relatively, soft ball pads are arranged between the short transverse frame and the suspension beam and at the connecting position of the screw rod and the nut, and elastic pieces or chains are arranged between the lower parts of two ends of the second connecting rod at the bottom of the screw rod and the upper parts of two ends of the suspension beam. The beneficial effect of this preferred scheme lies in: the elastic piece or the chain can realize linkage adjustment between the second connecting rod and the suspension beam, and the suspension beam can be driven by the elastic piece or the chain to realize lifting of the suspension rod.
The preferable scheme is three: as a further optimization of the second preferred embodiment, two ends of the second transverse frame are fixedly provided with a detection horizontal decoder. The beneficial effect of this preferred scheme lies in: the detection level decoder may monitor the height values on both sides to facilitate dynamic adjustment.
The preferable scheme is four: as a further optimization of the third preferred scheme, the lower part of the second cross frame is connected with a clamping mechanism, the clamping mechanism consists of adjusting arms arranged on two sides of the second cross frame and two clamping plates, the number of the adjusting arms is four, and the clamping plates are connected with the second cross frame through the adjusting arms. The beneficial effect of this preferred scheme lies in: the lower part of the second transverse frame is connected with the clamping mechanism, and the levelness of the clamped blank can be adjusted by adjusting the height of the second transverse frame.
The preferable scheme is five: as a further optimization of the preferable scheme four, the upper parts of the central positions of the two side clamping plates are provided with infrared sensors. The beneficial effect of this preferred scheme lies in: the infrared inductor can detect the position of the blank, and transmits data to the control end to realize automatic control.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a side view of an embodiment of the present invention;
FIG. 3 is an enlarged view of the gripping mechanism A according to the embodiment of the present invention;
fig. 4 is an enlarged sectional view of the automatic weight mechanism according to the embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: 1 guide rail, 2 cross beams, 3 motors, 4 chains, 5 first cross frames, 51 long cross frames, 52 short cross frames, 53 second cross frames, 6 suspension mechanisms, 61 first connecting rods, 62 suspension rods, 63 suspension beams, 7 automatic counterweight mechanisms, 701 elastic pieces, 702 transmission rods, 7021 worms, 7022 turbines, 703 lead screws, 704 second connecting rods, 705 steering mechanisms, 7051 first bevel gears, 7052 second bevel gears, 706 servo motors, 707 soft ball pads, 8 detection horizontal decoders, 9 clamping mechanisms, 901 positioning rods, 902 telescopic rods, 903 hollow structures, 904 third connecting rods, 905 connecting shafts, 906 vertical rods, 907 positioning seats, 908 first oil cylinders, 909 clamping plates, 910 second oil cylinders and 10 infrared sensors.
Example 1:
as shown in fig. 1 and 2: the automatic counterweight mechanism 7 of the grab bucket crane comprises a guide rail 1, a cross beam 2 is connected to the guide rail 1, a motor 3 is arranged on the cross beam 2, a chain 4 is connected below the motor 3, the chain 4 is connected with a first cross frame 5, the first cross frame 5 is of a rectangular structure, the first cross frame 5 comprises a long cross frame 51 and a short cross frame 52, the chain 4 is connected with the long cross frames 51 on two sides, suspension mechanisms 6 are respectively arranged on the short cross frames 52 on the two sides, and each suspension mechanism 6 comprises a suspension beam 63 which is in contact with the short cross frame 52 and supported by the short cross frame 52 and two suspension rods 62 which are fixed with the suspension beam 63 and extend downwards; the suspension rod 62 penetrates through the short transverse frame 52, so that the short transverse frame 52 can only slide up and down relative to the suspension rod 62, the lower end of the suspension rod 62 is connected with the first connecting rod 61 through a nut in a locking mode, the second transverse frame 53 is welded on the first connecting rod 61, the number of the second transverse frames 53 is two, the first connecting rod 61 and the second transverse frames 53 are perpendicular to each other in the horizontal plane, and the second transverse frames 53 are fixed at two ends of the first connecting rod 61.
As shown in fig. 1, 2 and 4, an automatic counterweight mechanism 7 is arranged on the suspension mechanism 6 on the right short transverse frame 52, the automatic counterweight mechanism 7 comprises a servo motor 706, a steering mechanism 705 and a lead screw 703, a housing of the steering mechanism 705 is fixed on the upper part of the suspension beam 63, the servo motor 706 is fixed on the side surface of the housing of the steering mechanism 705, mutually meshed bevel gears (a first bevel gear 7051 and a second bevel gear 7052) are arranged inside the steering mechanism 705, the output torque of the servo motor 706 is transmitted through the steering mechanism 705 to realize the change of the output direction of the torque, and two sets of structures formed by the lead screw 703 are arranged at two ends of the suspension beam 63 respectively; after the servo motor 706 outputs torque, the direction is changed through the steering mechanism 705, power is output to the screw rod mechanisms 703 on two sides through the transmission rod 702, and the transmission rod 702 and the screw rod 703 are transmitted through a worm gear structure (a worm 7021 and a worm gear 7022) so as to realize speed reduction.
As shown in fig. 1 and fig. 2, a nut engaged with the screw rod is fixed on the right short transverse frame 52 corresponding to the screw rod 703, that is, the screw rod is adjusted to rotate in the forward direction and the reverse direction to increase/decrease the distance between the suspension rod 62 and the right short transverse frame 52, that is, the right suspension mechanism 6 moves up or down integrally with respect to the first transverse frame 5, and the right first connecting rod 61 connected to the suspension mechanism 6 moves up or down. The distance between the left first connecting rod 61 and the first cross frame 5 is kept constant, so that the inclination of the second cross frame 53 relative to the first cross frame 5 can be changed through the lead screw 703, that is, when the second cross frame 53 is inclined due to the change of the gravity center position, the second cross frame 52 can be restored to the horizontal state by adjusting the automatic counterweight mechanism 7, the top end of the lead screw 703 is connected with the second connecting rod 704 through a nut, the nut is fixed in the second connecting rod 704, the lead screw 703 can rotate relative to the second connecting rod 704, an elastic member 701 is fixed between the lower part of the two ends of the second connecting rod 704 and the upper part of the two ends of the suspension beam 63, a soft ball pad 707 is arranged between the short cross frame 52 and the suspension beam 63, and the connecting position of the lead screw 703 and the nut protects the lead screw 703.
The two ends of the upper part of the second transverse frame 53 are fixedly provided with detection horizontal decoders 8, the detection horizontal decoders 8 can be connected with sensors, the sensors detect the height values of the two ends, data are transmitted to the detection horizontal decoders, the detection horizontal decoders 8 decode, analyze and transmit the data to a control end, the lower part of the second transverse frame 53 is connected with a clamping mechanism 9, the clamping mechanism 9 consists of adjusting arms and two clamp plates 909 arranged on the two sides of the second transverse frame 53, the adjusting arms 53 are provided with four adjusting arms on the second transverse frame, the clamp plates 909 are connected with the second transverse frame 53 through the adjusting arms, and the upper parts of the central positions of the clamp plates 909 on the two sides are provided with infrared sensors 10.
The specific implementation process is as follows:
the device mainly clamps a concrete blank, the horizontal positions of two ends of the blank can be adjusted in the clamping process, the device moves along a guide rail 1, when the device moves above the blank, a motor 3 rotates to enable the whole device to descend, the position of the blank is sensed by an infrared sensor 10 at the position of a clamping plate 909, when the position of the blank is calculated, the upper part of the clamping plate 909 is level with the blank, as shown in figure 1, as suspension rods 62 at two sides are sleeved on a short cross frame 52, at the moment, a sensor of a detection horizontal decoder 8 detects height values at two ends and feeds the height values back to the decoder, the detection horizontal decoder 8 transmits data to a controller after decoding analysis, if the heights at two sides are inconsistent, the controller instructs a servo motor 706 to rotate to adjust, the servo motor 706 rotates to drive a bevel gear to drive a transmission rod 702 to rotate, the transmission rod 702 drives a worm to rotate, the worm gear drives the lead screw 703 to ascend or descend, the lead screw 703 rotates to enable the nut arranged on the short cross frame 52 to move up or down relative to the lead screw 703, meanwhile, the second connecting rod 704 synchronously ascends or descends to drive the suspension rod 62 to ascend or descend, the suspension rod 62 drives the second cross frame 53 to ascend or descend, the second cross frame 53 can drive one side of the clamp plate 909 to ascend or descend for a certain distance, the heights of the two ends are equal, and the blank can be kept horizontal.
Example 2:
as shown in fig. 1 to 3, embodiment 2 differs from embodiment 1 in that: the clamping mechanism 9 is composed of an adjusting arm and two clamping plates 909, the clamping plates 909 are connected with the second cross frame 53 through the adjusting arm, four adjusting arms are arranged on the clamping plates 909, each adjusting arm comprises a positioning rod 901 fixedly connected to the lower portion of the second cross frame 53, the positioning rod 901 is perpendicular to the second cross frame 53, an expansion link 902 is hinged to the upper portion of the second cross frame 53 and the vertical corresponding position of the positioning rod 901, hollow structures 903 are arranged at two ends of the positioning rod 901, a third connecting rod 904 is arranged in the hollow structures 903, the top of the third connecting rod 904 is hinged to the expansion link 902, the bottom end of the third connecting rod 904 is hinged to the central position of the side face of the clamping plate 909, a connecting shaft 905 is arranged at the position of the third connecting rod 904 and the hollow structures 903 of the positioning rods 901, two ends of the connecting shaft 905 are fixedly connected with the hollow structures 903 of the positioning rods 901, the third connecting rod 904 is rotatably connected with the connecting shaft 905, a vertical downward vertical rod 906 is fixed at the tail end of the hollow structures 903, the vertical rod 906 is provided with a positioning seat 907, the positioning seat 907 is of a rectangular structure, the positioning seats 907 are symmetrically arranged along the vertical rod 906, the positioning seats 907 on two sides are respectively provided with a first oil cylinder 908, the extending end of the first oil cylinder 908 is hinged to a clamp plate 909, the included angle between the first oil cylinder 908 and the clamp plate 909 is 60 degrees, a second oil cylinder 910 is fixed at the lower end of the vertical rod 906, the extending end of the second oil cylinder 910 is hinged to the clamp plate 909, the included angle between the second oil cylinder 910 and the clamp plate 909 is 60 degrees, and a semi-triangular pyramid shape is formed among the first oil cylinder 908, the second oil cylinder 910 and the clamp plate 909.
The specific implementation process is as follows:
the device mainly clamps a concrete blank, the horizontal positions of two ends of the blank can be adjusted in the clamping process, the device moves along a guide rail 1, when the device moves above the blank, a motor 3 rotates to enable the whole device to descend, the position of the blank is sensed by an infrared sensor 10 at the position of a clamping plate 909, when the position of the blank is calculated, the upper part of the clamping plate 909 is level with the blank, as shown in figure 1, as suspension rods 62 at two sides are sleeved on a short cross frame 52, at the moment, a sensor of a detection horizontal decoder 8 detects height values at two ends and feeds the height values back to the decoder, the detection horizontal decoder 8 transmits data to a controller after decoding analysis, if the heights at two sides are inconsistent, the controller instructs a servo motor 706 to rotate to adjust, the servo motor 706 rotates to drive a bevel gear to drive a transmission rod 702 to rotate, the transmission rod 702 drives a worm to rotate, the worm gear drives the lead screw 703 to ascend or descend, the lead screw 703 rotates to enable the nut arranged on the short cross frame 52 to move up or down relative to the lead screw 703, meanwhile, the second connecting rod 704 synchronously ascends or descends to drive the suspension rod 62 to ascend or descend, the suspension rod 62 drives the second cross frame 53 to ascend or descend, the second cross frame 53 can drive one side of the clamp plate 909 to ascend or descend for a certain distance, the heights of the two ends are equal, and the blank can be kept horizontal. After the automatic weight counterbalance mechanism 7 adjusts the level of the blank, the controller controls the extension rod 902 connected with the oil cylinder to extend, the extension rod 902 extends to drive the third connecting rod 904 to rotate a certain angle along the axis of the connecting shaft 905, the third connecting rod 904 gives a force to the clamp plate 909 to move towards the blank direction, and simultaneously the first oil cylinder 908 and the second oil cylinder 910 extend, so that the clamp plate 909 can be kept stable in the vertical direction, and the clamp plate 909 can clamp the blank.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111442250.7A CN114030984A (en) | 2021-11-30 | 2021-11-30 | Grab Crane Automatic Counterweight Mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111442250.7A CN114030984A (en) | 2021-11-30 | 2021-11-30 | Grab Crane Automatic Counterweight Mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114030984A true CN114030984A (en) | 2022-02-11 |
Family
ID=80139253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111442250.7A Pending CN114030984A (en) | 2021-11-30 | 2021-11-30 | Grab Crane Automatic Counterweight Mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN114030984A (en) |
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| US20160304325A1 (en) * | 2015-04-15 | 2016-10-20 | Airbus Defence And Space, S.A. | Self-balanced apparatus for hoisting and positioning loads, with six degrees of freedom |
| CN108217456A (en) * | 2017-12-26 | 2018-06-29 | 同济大学 | A kind of framing type steel box-girder middle cross beam lifts self-level(l)ing device |
| CN208802760U (en) * | 2018-09-28 | 2019-04-30 | 山东蓬建建工集团有限公司 | A kind of manual installation and adjustment device of built-in fitting |
| CN210122446U (en) * | 2019-04-02 | 2020-03-03 | 河南五建建筑工程有限公司 | 150 ton remote control leveling bridge floor hoist |
| CN211619737U (en) * | 2020-01-17 | 2020-10-02 | 河南新江河起重机有限公司 | Hoisting accessory for segment beam |
| CN211664570U (en) * | 2020-01-17 | 2020-10-13 | 河南新江河起重机有限公司 | Segment beam hoisting device with adjusting device |
| CN212769368U (en) * | 2020-05-26 | 2021-03-23 | 上海锡华机械工程有限公司 | Automatic leveling lifting appliance |
| CN212832404U (en) * | 2020-07-01 | 2021-03-30 | 六安市汇鑫钢结构有限公司 | Material lifting device for steel structure high-rise building |
| CN213771010U (en) * | 2020-12-08 | 2021-07-23 | 舟山惠生海洋工程有限公司 | High-efficient hoist and mount auxiliary device of container |
-
2021
- 2021-11-30 CN CN202111442250.7A patent/CN114030984A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160304325A1 (en) * | 2015-04-15 | 2016-10-20 | Airbus Defence And Space, S.A. | Self-balanced apparatus for hoisting and positioning loads, with six degrees of freedom |
| CN108217456A (en) * | 2017-12-26 | 2018-06-29 | 同济大学 | A kind of framing type steel box-girder middle cross beam lifts self-level(l)ing device |
| CN208802760U (en) * | 2018-09-28 | 2019-04-30 | 山东蓬建建工集团有限公司 | A kind of manual installation and adjustment device of built-in fitting |
| CN210122446U (en) * | 2019-04-02 | 2020-03-03 | 河南五建建筑工程有限公司 | 150 ton remote control leveling bridge floor hoist |
| CN211619737U (en) * | 2020-01-17 | 2020-10-02 | 河南新江河起重机有限公司 | Hoisting accessory for segment beam |
| CN211664570U (en) * | 2020-01-17 | 2020-10-13 | 河南新江河起重机有限公司 | Segment beam hoisting device with adjusting device |
| CN212769368U (en) * | 2020-05-26 | 2021-03-23 | 上海锡华机械工程有限公司 | Automatic leveling lifting appliance |
| CN212832404U (en) * | 2020-07-01 | 2021-03-30 | 六安市汇鑫钢结构有限公司 | Material lifting device for steel structure high-rise building |
| CN213771010U (en) * | 2020-12-08 | 2021-07-23 | 舟山惠生海洋工程有限公司 | High-efficient hoist and mount auxiliary device of container |
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