CN102381619B - Counterweight lifting device, counterweight lifting structure and counterweight lifting method - Google Patents
Counterweight lifting device, counterweight lifting structure and counterweight lifting method Download PDFInfo
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- CN102381619B CN102381619B CN 201110315996 CN201110315996A CN102381619B CN 102381619 B CN102381619 B CN 102381619B CN 201110315996 CN201110315996 CN 201110315996 CN 201110315996 A CN201110315996 A CN 201110315996A CN 102381619 B CN102381619 B CN 102381619B
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Abstract
The invention discloses a counterweight lifting device, which comprises a counterweight (10), a counterweight hydraulic cylinder (20) and a counterweight frame (40), wherein the counterweight frame (40) comprises a first mounting structure, the counterweight (10) is connected to the counterweight hydraulic cylinder (20), the counterweight hydraulic cylinder (20) comprises a cylinder barrel (21), a piston rod (22) and a second mounting structure capable of being jointed with the first mounting structure, one end of the counterweight hydraulic cylinder (20) is connected to the counterweight (10), and the other end of the counterweight hydraulic cylinder (20) is provided with the second mounting structure. The invention also relates to a counterweight lifting structure comprising the counterweight lifting device and a method for lifting a counterweight. The balance weight is lifted through the other end of the balance weight hydraulic cylinder, and the height of the balance weight frame can be adjusted through one end of the balance weight hydraulic cylinder, so that the balance weight frame can be lifted through the balance weight hydraulic cylinder, and therefore the lifting installation of the large balance weight can be met, and the simplified assembly structure and steps are achieved.
Description
Technical field
The present invention relates to hoisting crane, particularly, relate to the method for a kind of counterweight bont, counterweight lift structure and lifting counterweight.
Background technology
Counterweight is the main components of hoisting crane, and the weight of counterweight has a great impact stability and the lifting performance of hoisting crane.In the prior art, when not using counterweight 10, usually counterweight 10 is placed on the basic plane (for example vehicle frame plane of hoisting crane); When needing the assembling counterweight, as shown in Figure 1, the counterweight lifting hydraulic cylinder 20 with turntable 30 afterbodys that are installed in hoisting crane promotes counterweight 10 usually, and counterweight lifting hydraulic cylinder 20 comprises cylinder barrel 21 and piston rod 22.Particularly, the top of counterweight 10 has the waist hole, when promoting counterweight 10, turntable 30 is turned to top, waist hole so that the position (position of for example departing from slightly the line of centers in waist hole) in waist hole can be stretched in the end of the piston rod 22 of counterweight lifting hydraulic cylinder 20, then stretch out piston rod 22, make the end of piston rod 22 stretch into the waist hole; Then turntable 30 is rotated predetermined angular (for example turning to so that turntable 30 is parallel to the position of waist centerline hole), so that the waist hole can't be passed in the end of piston rod 22, then shrink piston rod 22 so that the end of piston rod 22 is stuck in below, waist hole, thereby finish the fixing of counterweight lifting hydraulic cylinder 20 and counterweight 10; Shrink at last piston rod 22 to promote counterweight 10.
For the less hoisting crane of tonnage, can adopt aforesaid way, for example can two counterweight lifting hydraulic cylinders 20 be installed in turntable 30 two sides of tail, realize the loading and unloading of counterweight 10.But along with the increase of hoisting crane tonnage, the size of counterweight 10 increases.For promoting counterweight 10, the bearing of trend of the piston rod 22 of counterweight lifting hydraulic cylinder 20 is answered the gravity vertical of as close as possible counterweight 10 or is overlapped with this gravity vertical.Because the size of counterweight 10 increases, cause the distance (be radius of turn) of its gravity vertical to the distance of the afterbody of turntable 30 and this gravity vertical to the center of gyration of counterweight 10 to increase, the distance that increases can't remedy by the length that lengthens turntable 30, because this will cause the road weight of car load to increase.In addition, turntable 30 afterbody lower surfaces and vehicle frame close together have limited the increase of counterweight 10 weight (be the quantity of clump weight, highly).
Therefore, there is the problem that is difficult to the larger counterweight of lifting weight in the prior art.
Summary of the invention
The purpose of this invention is to provide a kind of method of being convenient to counterweight bont, the counterweight lift structure of the larger counterweight of lifting weight and promoting counterweight.
To achieve these goals, the invention provides a kind of counterweight bont, wherein, this device comprises counterweight, counterweight hydraulic actuating cylinder and counter-balanced carriage, described counter-balanced carriage comprises the first mounting structure, and described counterweight is connected in described counterweight hydraulic actuating cylinder, and described counterweight hydraulic actuating cylinder comprises cylinder barrel, piston rod and second mounting structure that can engage with described the first mounting structure, one end of described counterweight hydraulic actuating cylinder is connected in described counterweight, and the other end of described counterweight hydraulic actuating cylinder is provided with described the second mounting structure.
Preferably, described counterweight comprises fixing successively end clump weight, basic clump weight and upper clump weight, clump weight of the described end is captiveed joint with an end of described counterweight hydraulic actuating cylinder, the other end of described counterweight hydraulic actuating cylinder passes described basic clump weight, described upper clump weight be a plurality of and be divided into two row be arranged symmetrically on the described basic clump weight, two distances that list between the clump weight allow the other end of described counterweight hydraulic actuating cylinder to stretch into wherein, and described the second mounting structure is arranged on the other end of described counterweight hydraulic actuating cylinder.
Preferably, two distances that list between the clump weight allow described counter-balanced carriage to put into wherein.
Preferably, described basic clump weight is a plurality of and stacked setting.
Preferably, clump weight of the described end is captiveed joint with described cylinder barrel, and described piston rod passes described basic clump weight.
Preferably, described counter-balanced carriage has side plate, top board and base plate, described the first mounting structure comprises the socket that is formed on the described base plate and the first fixed pin holes that is formed on the described side plate, the end of described piston rod has the mounting plate that can insert described socket, described the second mounting structure comprises the second fixed pin holes that is formed on the described mounting plate, described counter-balanced carriage be connected the counterweight hydraulic actuating cylinder by passing described the first fixed pin holes and being connected the set pin of the second fixed pin holes and connecting.
Preferably, be formed with dowel hole on the described side plate, described mounting plate has spacing hole, and described counter-balanced carriage and described counterweight hydraulic actuating cylinder are spacing by the locating dowel pin that passes described dowel hole and described spacing hole.
Preferably, described cylinder barrel has respectively corresponding otic placode with described piston rod, has the first lockpin hole on the otic placode of described cylinder barrel, have the second lockpin hole on the otic placode of described piston rod, described cylinder barrel and described piston rod can be by passing the lock pin locking of described the first lockpin hole and described the second lockpin hole.
Preferably, described counterweight hydraulic actuating cylinder is a plurality of and is symmetrical arranged with the gravity vertical of described counterweight.
The present invention also provides a kind of counterweight lift structure, wherein, this counterweight lift structure comprises counterweight bont of the present invention, described counterweight lift structure also comprises the turntable of hoisting crane, described counter-balanced carriage comprises the 3rd mounting structure, and described turntable comprises the 4th mounting structure that can engage with described the 3rd mounting structure.
Preferably, described the 3rd mounting structure comprises normal pin and horizontal pin, one end of described counter-balanced carriage has horizontal protrusion and vertical protrusion, described normal pin is arranged on the bottom surface of described horizontal protrusion, described horizontal pin is arranged on the side of described vertical protrusion, described the 4th mounting structure comprises vertical pin-and-hole and the horizontal pin-and-hole of the end that is arranged on described turntable, described counter-balanced carriage and described turntable by passing described vertical pin-and-hole described normal pin and pass described horizontal pin-and-hole and institute's horizontal pin is fixed.
Preferably, described turntable comprises the end of inclination, and described horizontal protrusion and described vertical protrusion are positioned at respectively top and the bottom of described counter-balanced carriage one end, and described vertical pin-and-hole and described horizontal pin-and-hole lay respectively at top and the bottom of the end of described inclination.
The present invention also provides a kind of method that promotes counterweight, and the method comprises: (a), the counterweight hydraulic actuating cylinder is connected to counterweight; (b), connect counter-balanced carriage and described counterweight hydraulic actuating cylinder; (c), stretch out the piston rod of described counterweight hydraulic actuating cylinder, to promote the height of described counter-balanced carriage, so that the height of described counter-balanced carriage is higher than the height of turntable; (d), described turntable is rotate in place in the installation site of described counter-balanced carriage below, the piston rod of the described counterweight hydraulic actuating cylinder of retracting is so that described counter-balanced carriage is reduced to the height of described turntable; (e) connect described counter-balanced carriage and described turntable; (f), the piston rod of the described counterweight hydraulic actuating cylinder of retracting, to promote described counterweight.
Pass through technique scheme, by stretching of piston rod, can promote counterweight by the other end of counterweight hydraulic actuating cylinder, can also regulate by an end of counterweight hydraulic actuating cylinder the height of counter-balanced carriage, in order to can provide lifting to counter-balanced carriage by the counterweight hydraulic actuating cylinder, thereby can satisfy the erection ﹠ lift of larger counterweight and have mounting structure and the step of simplification.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and consists of the part of specification sheets, is used from explanation the present invention with the following specific embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the scheme drawing of the existing counterweight bont of explanation;
Fig. 2 to Fig. 8 is the scheme drawing of explanation counterweight bont of the present invention;
Fig. 9 is the partial top view of instruction diagram 2 illustrated embodiment;
Figure 10 is that the explanation counter-balanced carriage is connected the lateral plan of connection with piston rod.
Description of reference numerals
10: counterweight
11: end clump weight 12: basic clump weight 13: upper clump weight 13a: assembly opening
20: counterweight lifting hydraulic cylinder 21: cylinder barrel 21a: the first lockpin hole
22: piston rod 22a: the second lockpin hole
Fixed pin holes 24 in 23: the second: spacing hole 25: mounting plate
30: turntable 31: vertical pin-and-hole 32: horizontal pin-and-hole
40: counter-balanced carriage 41: sidewall 41a: the first fixed pin holes 41b: dowel hole
42: horizontal protrusion 42a: normal pin
43: vertical protrusion 43a: horizontal pin 43b: mounting hole
44: top board 45: base plate
50: vehicle frame 60: detent mechanism 61: positioning groove 62: locating piece
71: set pin 72: locating dowel pin 73: lock pin
81: baffle plate 82: apron block
D: two list the distance between the clump weight
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
In the present invention, do not doing in the situation of opposite explanation the upper and lower, left and right of the noun of locality of use shown in " upper and lower, left and right " typically refer to reference to the accompanying drawings; " inside and outside " refers to inside and outside with respect to the profile of each parts itself." forward and backward " is with reference to the left side among Fig. 2 to figure and right side.
According to an aspect of the present invention, a kind of counterweight bont is provided, wherein, this device comprises counterweight 10, counterweight hydraulic actuating cylinder 20 and counter-balanced carriage 40, described counter-balanced carriage 40 comprises the first mounting structure, described counterweight 10 is connected in described counterweight hydraulic actuating cylinder 20, described counterweight hydraulic actuating cylinder 20 comprises cylinder barrel 21, piston rod 22 and second mounting structure that can engage with described the first mounting structure, one end of described counterweight hydraulic actuating cylinder 20 is connected in described counterweight 10, and the other end of described counterweight hydraulic actuating cylinder 20 is provided with described the second mounting structure.
By engaging the first mounting structure and the second mounting structure, counter-balanced carriage 40 can be connected to counterweight hydraulic actuating cylinder 20.In other words, when the first mounting structure and the second mounting structure joint, the two ends of counterweight hydraulic actuating cylinder 20 connect respectively counterweight 10 and counter-balanced carriage 40, when the piston rod 22 of counterweight hydraulic actuating cylinder 20 is flexible, will drive counterweight 10 according to the fixing situation at the two ends of counterweight hydraulic actuating cylinder 20 or counter-balanced carriage 40 moves.That is to say that when an end of the connection counterweight 10 of counterweight hydraulic actuating cylinder 20 fixedly the time, the flexible of piston rod 22 will drive counter-balanced carriage 40 liftings, namely provide hoisting function by 20 pairs of counter-balanced carriages 40 of counterweight hydraulic actuating cylinder, be convenient to the operation that counter-balanced carriage 40 is installed to turntable 30; When an end of the connection counter-balanced carriage 40 of counterweight hydraulic actuating cylinder 20 fixedly the time, the flexible of piston rod 22 will drive counterweight 10 liftings, thereby can promote counterweight 10.
Wherein, counterweight 10 can adopt suitable structure, in order to be connected to an end of counterweight hydraulic actuating cylinder 20.Preferably, as shown in Figure 2, described counterweight 10 can comprise fixing successively end clump weight 11, basic clump weight 12 and upper clump weight 13, clump weight of the described end 11 is captiveed joint with an end of described counterweight hydraulic actuating cylinder 20, the other end of described counterweight hydraulic actuating cylinder 20 passes described basic clump weight 12, described upper clump weight 13 is arranged symmetrically on the described basic clump weight 12 for a plurality of two row that are divided into, two list and allow the other end of described counterweight hydraulic actuating cylinder 20 to stretch into wherein apart from d between the clump weight 13, and described the second mounting structure is arranged on the other end of described counterweight hydraulic actuating cylinder 20.
Extend into two by the other end with counterweight hydraulic actuating cylinder 20 and list between the clump weight 13, the other end of counterweight hydraulic actuating cylinder 20 can list between the clump weight 13 two flexible.When the length long enough of piston rod 22, can make the other end of counterweight hydraulic actuating cylinder 20 reach the top of clump weight 13, thereby counter-balanced carriage 40 is regulated above upper clump weight 13 highly.In preferred implementation of the present invention, two list and can allow described counter-balanced carriage 40 to put into wherein apart from d between the clump weight 13.By this layout, counter-balanced carriage 40 can be put into two positions that list between the clump weight 13, piston rod 22 can have short length, is conducive to the second mounting structure that counter-balanced carriage 40 is connected to the other end of counterweight hydraulic actuating cylinder 20, and can improves resistance to overturning.
In addition, as shown in Figure 2, described basic clump weight 12 can be a plurality of and stacked setting, thereby can select as required the counterweight 10 of basic clump weight 12 to obtain required weight of right quantity.Certainly, the upper clump weight 13 of every side that is positioned at the other end of counterweight hydraulic actuating cylinder 20 also can be a plurality of and stacked setting, in order to obtain the counterweight 10 of suitable weight.
In the present invention, an end of counterweight hydraulic actuating cylinder 20 can be the one in cylinder barrel 21 and the piston rod 22, and the other end can be the another one in cylinder barrel 21 and the piston rod 22.
To embodiment shown in Figure 8, an end of counterweight hydraulic actuating cylinder 20 is cylinder barrel 21 at Fig. 2, and the other end is piston rod 22.That is, clump weight of the described end 11 is captiveed joint with described cylinder barrel 21, and described piston rod 22 passes described basic clump weight 12.
Wherein, counter-balanced carriage 40 can have appropriate configuration, as long as can play the effect that stably connects piston rod 22 and turntable 30.In addition, the first mounting structure and the second mounting structure can be the structures of various mutual couplings suitably, as long as be convenient to counter-balanced carriage 40 are installed to piston rod 22.Preferably, as shown in figure 10, described counter-balanced carriage 40 has side plate 41, top board 44 and base plate 45, described the first mounting structure comprises the socket that is formed on the described base plate 45 and the first fixed pin holes 41a that is formed on the described side plate, the end of described piston rod 22 has the mounting plate 25 that can insert described socket, described the second mounting structure comprises the second fixed pin holes 23 that is formed on the described mounting plate, described counter-balanced carriage 40 be connected counterweight hydraulic actuating cylinder 20 by passing described the first fixed pin holes 41a and being connected the set pin 71 of the second fixed pin holes 23 and connecting.
Preferably, as shown in Figure 4, can be formed with dowel hole 41b on the described side plate 41, described mounting plate 25 has spacing hole 24, and described counter-balanced carriage 40 and described counterweight hydraulic actuating cylinder 20 are spacing by the locating dowel pin 72 that passes described dowel hole 41b and described spacing hole 24.Wherein, spacing hole 24 can form various suitable shapes, as long as can limit locating dowel pin 72.For example, to the embodiment shown in Figure 8, spacing hole 24 is formed on the top edge of mounting plate 25 and forms semi-circular through hole, thereby locating dowel pin 72 is limited in the semi-circular through hole, avoids counter-balanced carriage 40 because of the upset of crank front and back at Fig. 2.
More preferably, the end of piston rod 22 can also be provided with stop device, not inadvertently breaks away to prevent set pin 71.For example, as shown in Figure 4, baffle plate 81 and apron block 82 can be set in the end of piston rod 22, after inserting set pin 71, baffle plate 81 can be fixed to apron block 82, so that baffle plate 81 is from the movement of the axle side restriction set pin 71 of set pin 71.
In addition, preferably, described cylinder barrel 21 can have respectively corresponding otic placode with described piston rod 22, has the first lockpin hole 21a on the otic placode of described cylinder barrel 21, have the second lockpin hole 22a on the otic placode of described piston rod 22, described cylinder barrel 21 and described piston rod 22 can be by passing lock pin 73 lockings of described the first lockpin hole 21a and described the second lockpin hole 22a.After each parts connection put in place, the piston rod 22 of can retracting so that the first lockpin hole 21a and the second lockpin hole 22a aim at, then inserted lock pin 73 locking cylinder barrels 21 and piston rod 22, prevented that the accident of piston rod 22 is flexible.
It will be understood by those skilled in the art that, described counterweight hydraulic actuating cylinder 20 can be for a plurality of and be symmetrical arranged with the gravity vertical of described counterweight 10, thereby a plurality of counterweight hydraulic actuating cylinders 20 gravity vertical as a whole overlaps with the gravity vertical of counterweight 10, and the integral structure that is conducive to counterweight hydraulic actuating cylinder 20 and counterweight 10 is stable.In addition, by this structure, the application force that counterweight hydraulic actuating cylinder 20 can evenly apply counterweight 10 and counter-balanced carriage 40.
According to a further aspect in the invention, a kind of counterweight lift structure is provided, wherein, this counterweight lift structure comprises counterweight bont of the present invention, described counterweight lift structure also comprises the turntable 30 of hoisting crane, described counter-balanced carriage 20 comprises the 3rd mounting structure, and described turntable 30 comprises the 4th mounting structure that can engage with described the 3rd mounting structure.
Wherein, the 3rd mounting structure and the 4th mounting structure can be the various suitable structures that can mutually mate joint, as long as can firmly connect counter-balanced carriage 40 and turntable 30.For example, extremely shown in Figure 6 such as Fig. 4, described the 3rd mounting structure can comprise normal pin 42a and horizontal pin 43a, one end of described counter-balanced carriage 40 can have horizontal protrusion 42 and vertical protrusion 43, described normal pin 42a is arranged on the bottom surface of described horizontal protrusion 42, described horizontal pin 43a is arranged on the side of described vertical protrusion 43, described the 4th mounting structure comprises vertical pin-and-hole 31 and the horizontal pin-and-hole 32 of the end that is arranged on described turntable 30, described counter-balanced carriage 40 and described turntable 30 by passing described vertical pin-and-hole 31 described normal pin 42a and pass described horizontal pin-and-hole 32 and the horizontal pin 43a of institute fixes.By this structure, not only can firmly connect counter-balanced carriage 40 and turntable 30, can also limit counter-balanced carriage 40 and the along continuous straight runs of turntable 30 and relatively moving of vertical direction.
Preferably, described turntable 30 comprises the end of inclination, described horizontal protrusion 42 and described vertical protrusion 43 lay respectively at top and the bottom of described counter-balanced carriage 40 1 ends, and described vertical pin-and-hole 31 and described horizontal pin-and-hole 32 lay respectively at top and the bottom of the end of described inclination.Adopt this structure, enough spaces can be abdicated in the end of the inclination of turntable 30, turntable 30 and counter-balanced carriage 40 are interfered mutually when avoiding assembly manipulation (for example lifting of the rotation of turntable 30 and counter-balanced carriage 40), can make in addition turntable 30 obtain preferably strained condition.
In addition, the present invention also provides a kind of method that promotes counterweight, and the method comprises:
(a), counterweight hydraulic actuating cylinder 20 is connected to counterweight 10;
(b), connect counter-balanced carriage 40 and described counterweight hydraulic actuating cylinder 20;
(c), stretch out the piston rod 22 of described counterweight hydraulic actuating cylinder 20, to promote the height of described counter-balanced carriage 40, so that the height of described counter-balanced carriage 40 is higher than the height of turntable 30;
(d), described turntable 30 is rotate in place in the installation site of described counter-balanced carriage 40 belows, the piston rod 22 of the described counterweight hydraulic actuating cylinder 20 of retracting is so that described counter-balanced carriage 40 is reduced to the height of described turntable 30;
(e) connect described counter-balanced carriage 40 and described turntable 30;
(f), the piston rod 22 of the described counterweight hydraulic actuating cylinder 20 of retracting, to promote described counterweight 10.
Specify method of the present invention below with reference to Fig. 2 to Fig. 8.
At first, as shown in Figure 2, counterweight 10 can be fixed on the vehicle frame 50 of hoisting crane by detent mechanism 60.Particularly, counterweight 10 can comprise fixing successively end clump weight 11, basic clump weight 12 and upper clump weight 13.Detent mechanism 60 comprises the positioning groove 61 that is arranged on end clump weight 11 bottoms and the locating piece 62 that is arranged on the vehicle frame 50, end clump weight 11 can be fixed on the vehicle frame 50 by engaging positioning groove 61 and locating piece 62.
In step (a), end clump weight 11 can be fixed to the bottom of cylinder barrel 21, so that piston rod 22 (and cylinder barrel 21) passes basic clump weight 12, and stretch out piston rod 22 so that the end of piston rod 22 lists between the clump weight 13, as shown in Figure 3 two.
In step (b), as shown in Figure 4, counter-balanced carriage 40 is moved to two list between the clump weight 13, and engage the first mounting structure and the second mounting structure, so that counter-balanced carriage 40 is connected to piston rod 22.Wherein, can connect counter-balanced carriage 40 and piston rod 22 and spacing by locating dowel pin 72 by set pin 71.
In step (c), as shown in Figure 5, stretch out the piston rod 22 of described counterweight hydraulic actuating cylinder 20, to promote the height of described counter-balanced carriage 40, so that the height of described counter-balanced carriage 40 is higher than the height of turntable 30, namely abdicate the space of turntable 30 rotations.
In step (d), as shown in Figure 6, described turntable 30 is rotate in place in the installation site of described counter-balanced carriage 40 belows, then the retract piston rod 22 of described counterweight hydraulic actuating cylinder 20, so that described counter-balanced carriage 40 is reduced to the height of described turntable 30, ready for counter-balanced carriage 40 being installed to turntable 30.
In step (e), as shown in Figure 7, by engaging the 3rd connection structure and the 4th connection structure is installed to turntable 30 with counter-balanced carriage 40.Can be connected above-mentioned connection with horizontal pin 43a and prevent counter-balanced carriage 40 and the relatively moving of turntable 30 by normal pin 42a.
In step (f), as shown in Figure 8, the piston rod 22 of the described counterweight hydraulic actuating cylinder 20 of retracting is to promote described counterweight 10.Wherein, the piston rod 22 of can retracting so that the first lockpin hole 21a and the second lockpin hole 22a aim at, then inserts lock pin 73 locking cylinder barrels 21 and piston rod 22, with lockup piston bar 22.
By method of the present invention, can make things convenient for, promote efficiently counterweight 10.
Below describe by reference to the accompanying drawings preferred implementation of the present invention in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the present invention is to the no longer separately explanation of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (11)
1. counterweight lift structure, it is characterized in that, this counterweight lift structure comprises turntable (30) and the counterweight bont of hoisting crane, this device comprises counterweight (10), counterweight hydraulic actuating cylinder (20) and counter-balanced carriage (40), described counter-balanced carriage (40) comprises the first mounting structure, described counterweight (10) is connected in described counterweight hydraulic actuating cylinder (20), described counterweight hydraulic actuating cylinder (20) comprises cylinder barrel (21), piston rod (22) and second mounting structure that can engage with described the first mounting structure, one end of described counterweight hydraulic actuating cylinder (20) is connected in described counterweight (10), the other end of described counterweight hydraulic actuating cylinder (20) is provided with described the second mounting structure, described counter-balanced carriage (20) comprises the 3rd mounting structure, described turntable (30) comprises the 4th mounting structure that can engage with described the 3rd mounting structure, described the 3rd mounting structure comprises normal pin (42a) and horizontal pin (43a), one end of described counter-balanced carriage (40) has horizontal protrusion (42) and vertical protrusion (43), described turntable (30) comprises the end of inclination, described horizontal protrusion (42) and described vertical protrusion (43) lay respectively at top and the bottom of described counter-balanced carriage (40) one ends, and described vertical pin-and-hole (31) and described horizontal pin-and-hole (32) lay respectively at top and the bottom of the end of described inclination.
2. counterweight lift structure according to claim 1, wherein, described counterweight (10) comprises fixing successively end clump weight (11), basis clump weight (12) and upper clump weight (13), clump weight of the described end (11) is captiveed joint with an end of described counterweight hydraulic actuating cylinder (20), the other end of described counterweight hydraulic actuating cylinder (20) passes described basic clump weight (12), described upper clump weight (13) for a plurality of and be divided into two row be arranged symmetrically on the described basic clump weight (12), two distances (d) that list between the clump weight (13) allow the other end of described counterweight hydraulic actuating cylinder (20) to stretch into wherein, and described the second mounting structure is arranged on the other end of described counterweight hydraulic actuating cylinder (20).
3. counterweight lift structure according to claim 2, wherein, two distances (d) that list between the clump weight (13) allow described counter-balanced carriage (40) to put into wherein.
4. counterweight lift structure according to claim 2, wherein, described basic clump weight (12) is a plurality of and stacked setting.
5. the described counterweight lift structure of any one according to claim 2-4, wherein, clump weight of the described end (11) is captiveed joint with described cylinder barrel (21), and described piston rod (22) passes described basic clump weight (12).
6. counterweight lift structure according to claim 5, wherein, described counter-balanced carriage (40) has side plate (41), top board (44) and base plate (45), described the first mounting structure comprises the socket that is formed on the described base plate (45) and the first fixed pin holes (41a) that is formed on the described side plate, the end of described piston rod (22) has the mounting plate (25) that can insert described socket, described the second mounting structure comprises the second fixed pin holes (23) that is formed on the described mounting plate, described counter-balanced carriage (40) be connected counterweight hydraulic actuating cylinder (20) by passing described the first fixed pin holes (41a) and being connected the set pin (71) of the second fixed pin holes (23) and connecting.
7. counterweight lift structure according to claim 6, wherein, be formed with dowel hole (41b) on the described side plate (41), described mounting plate (25) has spacing hole (24), and described counter-balanced carriage (40) and described counterweight hydraulic actuating cylinder (20) are spacing by the locating dowel pin (72) that passes described dowel hole (41b) and described spacing hole (24).
8. arrangements lifting structure according to claim 6, wherein, described cylinder barrel (21) has respectively corresponding otic placode with described piston rod (22), has the first lockpin hole (21a) on the otic placode of described cylinder barrel (21), have the second lockpin hole (22a) on the otic placode of described piston rod (22), described cylinder barrel (21) and described piston rod (22) can be by passing lock pin (73) locking of described the first lockpin hole (21a) and described the second lockpin hole (22a).
9. counterweight lift structure according to claim 1, wherein, described counterweight hydraulic actuating cylinder (20) is for a plurality of and be symmetrical arranged with the gravity vertical of described counterweight (10).
10. counterweight lift structure according to claim 1, wherein said normal pin (42a) is arranged on the bottom surface of described horizontal protrusion (42), described horizontal pin (43a) is arranged on the side of described vertical protrusion (43), described the 4th mounting structure comprises vertical pin-and-hole (31) and the horizontal pin-and-hole (32) of the end that is arranged on described turntable (30), described counter-balanced carriage (40) and described turntable (30) by passing described vertical pin-and-hole (31) described normal pin (42a) and pass described horizontal pin-and-hole (32) and institute's horizontal pin (43a) fixing.
11. a method that promotes counterweight, the method comprises:
(a), counterweight hydraulic actuating cylinder (20) is connected to counterweight (10);
(b), connect counter-balanced carriage (40) and described counterweight hydraulic actuating cylinder (20);
(c), stretch out the piston rod (22) of described counterweight hydraulic actuating cylinder (20), to promote the height of described counter-balanced carriage (40), so that the height of described counter-balanced carriage (40) is higher than the height of turntable (30);
(d), described turntable (30) is rotate in place in the installation site of described counter-balanced carriage (40) below, the piston rod (22) of the described counterweight hydraulic actuating cylinder (20) of retracting is so that described counter-balanced carriage (40) is reduced to the height of described turntable (30);
(e) described counter-balanced carriage (40) is installed on the end of the inclination of described turntable (30) by normal pin (42a) and horizontal pin (43a);
(f), the piston rod (22) of the described counterweight hydraulic actuating cylinder (20) of retracting, to promote described counterweight (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110315996 CN102381619B (en) | 2011-10-18 | 2011-10-18 | Counterweight lifting device, counterweight lifting structure and counterweight lifting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110315996 CN102381619B (en) | 2011-10-18 | 2011-10-18 | Counterweight lifting device, counterweight lifting structure and counterweight lifting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102381619A CN102381619A (en) | 2012-03-21 |
| CN102381619B true CN102381619B (en) | 2013-03-20 |
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| CN 201110315996 Active CN102381619B (en) | 2011-10-18 | 2011-10-18 | Counterweight lifting device, counterweight lifting structure and counterweight lifting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013056413A1 (en) * | 2011-10-18 | 2013-04-25 | 中联重科股份有限公司 | Counterweight lifting device, structure and method |
| CN109434543B (en) * | 2019-01-10 | 2021-02-05 | 吉林大学 | Multi-angle manipulator special for grabbing workpiece for numerical control machining center |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201214605Y (en) * | 2008-05-07 | 2009-04-01 | 长沙中联重工科技发展股份有限公司 | Movable counterweight installation apparatus for crane |
| CN101624165A (en) * | 2008-07-07 | 2010-01-13 | 徐州重型机械有限公司 | Combined counterweight device and crane using same |
| CN101804946A (en) * | 2009-02-16 | 2010-08-18 | 包尔机械有限公司 | Vehicle, particularly engineering truck |
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| DE202006019421U1 (en) * | 2006-12-22 | 2008-04-30 | Liebherr-Werk Ehingen Gmbh | Boom Truck |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201214605Y (en) * | 2008-05-07 | 2009-04-01 | 长沙中联重工科技发展股份有限公司 | Movable counterweight installation apparatus for crane |
| CN101624165A (en) * | 2008-07-07 | 2010-01-13 | 徐州重型机械有限公司 | Combined counterweight device and crane using same |
| CN101804946A (en) * | 2009-02-16 | 2010-08-18 | 包尔机械有限公司 | Vehicle, particularly engineering truck |
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