WO2022156251A1 - Counterweight displacement mechanism and operating machine - Google Patents
Counterweight displacement mechanism and operating machine Download PDFInfo
- Publication number
- WO2022156251A1 WO2022156251A1 PCT/CN2021/119334 CN2021119334W WO2022156251A1 WO 2022156251 A1 WO2022156251 A1 WO 2022156251A1 CN 2021119334 W CN2021119334 W CN 2021119334W WO 2022156251 A1 WO2022156251 A1 WO 2022156251A1
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- Prior art keywords
- counterweight
- pin
- matching
- counterweight mounting
- displacement mechanism
- Prior art date
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 19
- 230000013011 mating Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000013519 translation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
- B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/18—Counterweights
Definitions
- the invention relates to the technical field of working machines, in particular to a counterweight displacement mechanism and a working machine.
- work machines such as cranes
- work machines are mostly fixed counterweights, especially small and medium tonnage work machines.
- working machines that use a mobile counterweight structure.
- Most of the mobile counterweight structures are equipped with a telescopic counterweight mounting frame with a drive device.
- the counterweight is installed on the telescopic counterweight mounting frame.
- the existing mobile counterweight structure has the problems of complex structure and large vertical space occupation. For large-tonnage operation machinery, especially super-large tonnage operation machinery, it may not be able to meet the longitudinal space requirements during telescopic translation.
- the present invention provides a counterweight displacement mechanism and a working machine, which are used to solve the problems in the prior art that the movable counterweight structure has a complex structure and needs to occupy a large longitudinal space.
- the present invention provides a counterweight displacement mechanism, comprising:
- a turntable having a head part and a tail part, the head part is connected to the frame, and the head part and the tail part are oppositely arranged in the length direction of the turntable;
- the counterweight mounting frame is rotatably connected to the tail portion along the axis in the up-down direction, the counterweight mounting frame is provided with a connecting portion, and the connecting portion is located on one side of the rotation axis of the counterweight mounting frame;
- a counterweight provided with a matching portion detachably connected to the connecting portion;
- the jacking device is used for driving the matching portion to move up and down relative to the connecting portion.
- the two counterweight mounting racks are located on both sides of the tail portion in the width direction of the turntable;
- the connecting portion and the matching portion are detachably connected through a connecting pin
- the connecting portion is provided with a first pin hole through which the connection pin passes, and the matching portion is provided with a second pin hole through which the connection pin passes.
- the counterweight mounting frame or the matching portion is provided with a pin bracket, the connection pin has an opposite first end and a second end, and the first end of the connection pin is along the The extension direction of the first pin hole is movably connected to the pin shaft bracket;
- the matching portion When the matching portion is located at the first position and the connecting pin is located at the first pin position, the second end of the connecting pin passes through the first pin hole and the second pin a hole, the connecting part is connected with the matching part;
- both the connecting portion and the matching portion are separated from the connecting pin, and the connecting portion and the matching portion are separable.
- the counterweight mounting bracket is provided with an abutting portion, and the abutting portion is located above the first pin hole;
- the top end of the engaging portion abuts the abutting portion, and the first pin hole and the second pin hole are in the extending direction of the first pin hole relative;
- the engaging portion When the engaging portion is located at the second position, the engaging portion is located below the abutting portion.
- the abutting portion is a positioning pin provided along the extending direction of the first pin hole
- the top end of the matching portion is provided with a V-shaped groove with the notch facing upward, and the V-shaped groove penetrates the matching portion in the extending direction of the second pin hole;
- the matching portion When the matching portion is located at the first position, at least a part of the positioning pin protrudes into the V-shaped groove, and the positioning pin abuts two opposite side walls of the V-shaped groove.
- the jacking device is disposed on the frame and below the counterweight mounting frame; or,
- the jacking device is mounted on the counterweight and is dynamically coupled and connected with the matching portion.
- a locking structure is provided between the counterweight mounting frame and the tail portion to limit the rotation of the counterweight mounting frame when the counterweight mounting frame is rotated and adjusted to a preset installation position.
- the locking structure includes:
- a connecting plate connected to the tail and disposed downward, the connecting plate is provided with a first limiting hole and a second limiting hole through;
- a locking bolt is arranged along the rotation axis of the counterweight mounting frame, the locking bolt has a locking end facing the connecting plate and a connecting end facing away from the connecting plate, and the locking bolt has a locking end facing the connecting plate and a connecting end facing away from the connecting plate.
- the connecting end is connected with the counterweight mounting frame through an elastic piece;
- the connecting portion When the counterweight mounting bracket is in the first installation position, the connecting portion is close to the head portion relative to the rotation axis of the counterweight mounting bracket, and the locking end of the locking bolt is connected to the The first limit hole is clamped;
- the connecting portion When the counterweight mounting bracket is located at the second installation position, the connecting portion is away from the head portion relative to the rotation axis of the counterweight mounting bracket, and the locking end of the locking bolt is connected to the second mounting position.
- the limit hole is snapped.
- the present invention also provides a working machine, comprising the counterweight displacement mechanism as described above.
- the counterweight displacement mechanism and the working machine provided by the present invention can be realized by disassembling the counterweight and the counterweight mounting frame, rotating and adjusting the counterweight mounting frame, and then lifting the counterweight to the counterweight mounting frame by the jacking device for installation.
- the movement and adjustment of the counterweight takes up less vertical space, and because the counterweight mounting frame does not need to be provided with a driving device, the counterweight mounting frame is simple in structure, light in weight, and easier to rotate.
- FIG. 1 is a schematic structural diagram of a work machine provided by the present invention, wherein the counterweight mounting frame is located at a first mounting position;
- Fig. 2 is the enlarged schematic diagram of A place in Fig. 1;
- Fig. 3 is the partial structure schematic diagram of the working machine in Fig. 1;
- Fig. 4 is the enlarged schematic diagram at B in Fig. 3;
- Fig. 5 is the partial structure schematic diagram of the structure in Fig. 3;
- FIG. 6 is a schematic structural diagram of the work machine in FIG. 1 , wherein the counterweight mounting frame is located at a second mounting position;
- Fig. 7 is the partial structure schematic diagram of the working machine in Fig. 6;
- the counterweight displacement mechanism can be used for working machines such as cranes, concrete pump trucks or fire trucks.
- the working machine is a crane as an example for introduction.
- the counterweight displacement mechanism includes a frame 1, a turntable 2, a counterweight mounting frame 3, a counterweight 4 and a jacking device 5.
- the turntable 2 has a head portion 21 and a tail portion 22.
- the head portion 21 is connected to the frame 1, the head part 21 and the tail part 22 are oppositely arranged in the length direction of the turntable 2, the counterweight mounting frame 3 is rotated and connected to the tail part 22 along the axis of the up-down direction, and the counterweight mounting frame 3 is provided with a connecting part 31, which is connected
- the counterweight 4 is provided with a matching portion 41 detachably connected to the connecting portion 31 ; the jacking device 5 is used to drive the matching portion 41 to move up and down relative to the connecting portion 31 .
- the connecting part 31 and the matching part 41 are first disassembled, and the counterweight 4 is lowered through the jacking device 5;
- the counterweight 4 is moved in translation by the lifting device, etc., so that the matching part 41 and the connecting part 31 are opposite up and down;
- the counterweight 4 is disassembled from the counterweight installation frame 3, and after the counterweight installation frame 3 is rotated and adjusted, the counterweight 4 is lifted by the jacking device 5 to the counterweight installation frame 3 for installation.
- the movement and adjustment of the counterweight 4 can be realized. This kind of movement and adjustment of the counterweight 4 takes up less vertical space, and because the counterweight mounting frame 3 does not need to be provided with a driving device, the counterweight mounting frame 3 has a simple structure and a relatively low weight. Light and easier to turn.
- the jacking device 5 can drive the matching portion 41 to move up and down relative to the connecting portion 31 in various ways. It is a telescopic cylinder, the cylinder rod of the telescopic cylinder is connected to the matching part 41, and the cylinder body of the telescopic cylinder is fixedly connected to the main body of the counterweight 4. When the counterweight 4 is located under the counterweight mounting frame 3, the cylinder rod of the telescopic cylinder is first driven to extend.
- the matching part 41 moves to the connecting part 31 of the counterweight mounting frame 3, and after the matching part 41 is fixedly connected with the connecting part 31, and then drives the cylinder rod of the telescopic cylinder to shrink, the main body of the counterweight 4 can be lifted upwards; 5 and 7, in this embodiment, the jacking device 5 is arranged on the frame 1 and is located below the counterweight mounting frame 3, and the jacking device 5 lifts and lifts the counterweight 4 as a whole. Down, so that the matching part 41 moves up and down relative to the connecting part 31, wherein the jacking device 5 can be an oil cylinder, and the oil cylinder is a rodless cavity for oil intake, and the oil cylinder is conducive to realizing lightweight design and low cost.
- the two counterweight mounting brackets 3 there are two counterweight mounting brackets 3 , and the two counterweight mounting brackets 3 are respectively arranged on both sides of the tail portion 22 in the width direction of the turntable 2 ; the matching portion 41 There are two counterweight mounting brackets 3 corresponding to the two, and the two matching parts 41 are respectively detachably connected to the two connecting parts 31 . In this way, the force of the counterweight 4 will be more balanced.
- the connecting part 31 and the matching part 41 can be fixedly connected by screw joints; In the embodiment, the connecting portion 31 and the matching portion 41 are detachably connected through the connecting pin 6; The second pin hole 42 through which the pin shaft 6 passes.
- the detachable connection between the connecting part 31 and the matching part 41 is realized by the connecting pin 6 , so that the disassembly and assembly of the counterweight 4 is more convenient.
- the counterweight mounting frame 3 or the matching portion 41 is provided with a pin bracket 7
- the connection pin 6 has opposite first and second ends, and the connection pin 6
- the first end of the pin is movably connected to the pin bracket 7 along the extension direction of the first pin hole 32; when the matching portion 41 is at the first position and the connecting pin 6 is at the first pin position, the The second end passes through the first pin hole 32 and the second pin hole 42, and the connecting portion 31 is connected to the matching portion 41; when the connecting pin 6 is located at the second pin position, the connecting portion 31 and the matching portion 41 are both connected to the matching portion 41.
- the connecting pin 6 is separated, and the connecting portion 31 and the matching portion 41 can be separated.
- the pin bracket 7 is fixedly installed on the counterweight mounting frame 3, and the connection pin 6 is connected with the pin bracket 7, so that the connection pin 6 is not easily lost.
- the counterweight mounting bracket 3 is provided with an abutting portion 33 , and the abutting portion 33 is located above the first pin hole 32 ; in the case where the matching portion 41 is located at the first position down, the top end of the matching portion 41 abuts the abutting portion 33, and the first pin hole 32 and the second pin hole 42 are opposite in the extending direction of the first pin hole 32; when the matching portion 41 is located at the second position, the matching The portion 41 is located below the abutting portion 33 .
- the abutting portion 33 can realize the positioning of the counterweight 4 , thereby facilitating the smooth insertion of the connecting pin 6 to fix the counterweight 4 .
- the abutting portion 33 is a positioning pin provided along the extending direction of the first pin hole 32 ;
- the V-shaped groove 43 penetrates the matching portion 41 in the extending direction of the second pin hole 42; when the matching portion 41 is in the first position, at least part of the positioning pin extends into the V-shaped groove 43, and the positioning pin It abuts against the opposite side walls of the V-shaped groove 43 .
- the counterweight 4 can be prevented from shaking during the operation.
- a locking structure 8 is provided between the counterweight mounting frame 3 and the tail portion 22 , which is used when the counterweight mounting frame 3 is rotated and adjusted to a preset installation position The rotation of the counterweight mounting bracket 3 is restricted. After the counterweight mounting frame 3 is adjusted, the locking structure 8 can prevent the counterweight mounting frame 3 from shaking.
- the locking structure 8 includes a connecting plate 81 and a locking pin 84 , the connecting plate 81 is connected to the tail portion 22 and is disposed downward, and the connecting plate 81 is provided with The first limit hole 82 and the second limit hole 83; the locking pin 84 is arranged along the rotation axis of the counterweight mounting frame 3, and the locking pin 84 has a locking end facing the connecting plate 81 and a connection facing away from the connecting plate 81 The connecting end of the locking bolt 84 is connected with the counterweight mounting frame 3 through an elastic member; when the counterweight mounting frame 3 is in the first installation position, the connecting portion 31 is close to the head portion relative to the rotation axis of the counterweight mounting frame 3 21.
- the locking end of the locking bolt 84 is engaged with the first limiting hole 82; when the counterweight mounting frame 3 is in the second installation position, the connecting portion 31 is away from the head relative to the rotation axis of the counterweight mounting frame 3 21.
- the locking end of the locking bolt 84 is snap-connected with the second limiting hole 83 .
- the longitudinal direction of the rack 1 is taken as the front-rear direction, so that two counterweight installation positions, one in front and one behind, are formed on the rack 1 .
- jacking devices 5 are installed on the rack 1 corresponding to two counterweight installation positions, and a plurality of jacking devices are installed at intervals along the width direction of the rack 1 corresponding to each counterweight installation position on the rack 1 5.
- a plurality of jacking devices are installed at intervals along the width direction of the rack 1 corresponding to each counterweight installation position on the rack 1 5.
- two jacking devices 5 are installed at intervals along the width direction of the rack 1 corresponding to each counterweight installation position on the rack 1 .
- the present invention also provides a work machine 100, which may be a crane, a concrete pump truck, or a fire truck, etc. As shown in FIGS. 1 to 7 , the work machine 100 includes the above-mentioned counterweight displacement mechanism.
- the counterweight 4 and the counterweight mounting frame 3 are disassembled, and after the counterweight mounting frame 3 is rotated and adjusted, the counterweight 4 is lifted by the jacking device 5 to the counterweight mounting frame 3 for installation.
- the movement adjustment of the counterweight 4 is realized.
- This kind of movement adjustment method of the counterweight 4 takes up less longitudinal space, and since the counterweight mounting frame 3 does not need to be provided with a driving device, the counterweight mounting frame 3 has a simple structure and light weight, Turning is easier.
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Abstract
A counterweight displacement mechanism and an operating machine (100). The counterweight displacement mechanism comprises a machine frame (1), a rotary table (2), a counterweight mounting frame (3), a counterweight (4) and a jacking device (5), wherein the rotary table (2) has a head portion (21) and a tail portion (22), and the head portion (21) is connected to the machine frame (1); the counterweight mounting frame (3) is rotatably connected to the tail portion (22) along an axis in a vertical direction, the counterweight mounting frame (3) is provided with a connecting portion (31), and the connecting portion (31) is located on one side of a rotating axis of the counterweight mounting frame (3); the counterweight (4) is provided with a mating portion (41) detachably connected to the connecting portion (31); and the jacking device (5) is used for driving the mating portion (41) to move up and down relative to the connecting portion (31).
Description
本发明涉及作业机械技术领域,尤其涉及一种配重变位机构及作业机械。The invention relates to the technical field of working machines, in particular to a counterweight displacement mechanism and a working machine.
目前,作业机械(例如起重机)多以固定式配重为主,尤其是中小吨位作业机械。也存在部分作业机械采用移动式配重结构,移动式配重结构大多设置有带驱动装置的伸缩式配重安装架,配重安装在伸缩式配重安装架上,通过伸缩式配重安装架的伸缩,来实现整车重心后移,以增加整车稳定性。但现有的移动式配重结构存在结构复杂,且需要占用纵向空间较大的问题,对于大吨位作业机械,尤其是超大吨位作业机械,可能无法满足伸缩平移时的纵向空间需求。At present, work machines (such as cranes) are mostly fixed counterweights, especially small and medium tonnage work machines. There are also some working machines that use a mobile counterweight structure. Most of the mobile counterweight structures are equipped with a telescopic counterweight mounting frame with a drive device. The counterweight is installed on the telescopic counterweight mounting frame. To achieve the rearward shift of the center of gravity of the vehicle to increase the stability of the vehicle. However, the existing mobile counterweight structure has the problems of complex structure and large vertical space occupation. For large-tonnage operation machinery, especially super-large tonnage operation machinery, it may not be able to meet the longitudinal space requirements during telescopic translation.
发明内容SUMMARY OF THE INVENTION
本发明提供一种配重变位机构及作业机械,用以解决现有技术中移动式配重结构存在结构复杂,且需要占用纵向空间较大的问题。The present invention provides a counterweight displacement mechanism and a working machine, which are used to solve the problems in the prior art that the movable counterweight structure has a complex structure and needs to occupy a large longitudinal space.
本发明提供一种配重变位机构,包括:The present invention provides a counterweight displacement mechanism, comprising:
机架;frame;
转台,具有首部和尾部,所述首部连接所述机架,所述首部与所述尾部在所述转台的长度方向上相对设置;a turntable, having a head part and a tail part, the head part is connected to the frame, and the head part and the tail part are oppositely arranged in the length direction of the turntable;
配重安装架,沿上下方向的轴线转动连接于所述尾部上,所述配重安装架设置有连接部,所述连接部位于所述配重安装架的转动轴线的一侧;The counterweight mounting frame is rotatably connected to the tail portion along the axis in the up-down direction, the counterweight mounting frame is provided with a connecting portion, and the connecting portion is located on one side of the rotation axis of the counterweight mounting frame;
配重,设置有与所述连接部可拆卸连接的配合部;以及,a counterweight, provided with a matching portion detachably connected to the connecting portion; and,
顶升装置,用于驱动所述配合部相对于所述连接部上下移动。The jacking device is used for driving the matching portion to move up and down relative to the connecting portion.
可选地,所述配重安装架设置有两个,两个所述配重安装架分设于所述尾部在所述转台的宽度方向上的两侧;Optionally, there are two counterweight mounting racks, and the two counterweight mounting racks are located on both sides of the tail portion in the width direction of the turntable;
所述配合部对应两个所述配重安装架设置有两个,两个所述配合部分别与两个所述连接部可拆卸连接。There are two matching portions corresponding to the two counterweight mounting brackets, and the two matching portions are respectively detachably connected to the two connecting portions.
可选地,所述连接部与所述配合部通过连接销轴可拆卸连接;Optionally, the connecting portion and the matching portion are detachably connected through a connecting pin;
所述连接部贯穿地设置有供所述连接销轴穿过的第一销孔,所述配合部贯穿地设置有供所述连接销轴穿过的第二销孔。The connecting portion is provided with a first pin hole through which the connection pin passes, and the matching portion is provided with a second pin hole through which the connection pin passes.
可选地,所述配重安装架或者所述配合部设置有销轴支架,所述连接销轴具有相对的第一端和第二端,所述连接销轴的所述第一端沿所述第一销孔的延伸方向活动连接于所述销轴支架上;Optionally, the counterweight mounting frame or the matching portion is provided with a pin bracket, the connection pin has an opposite first end and a second end, and the first end of the connection pin is along the The extension direction of the first pin hole is movably connected to the pin shaft bracket;
在所述配合部位于第一位置且所述连接销轴位于第一销轴位置的情况下,所述连接销轴的所述第二端穿过所述第一销孔和所述第二销孔,所述连接部与所述配合部连接;When the matching portion is located at the first position and the connecting pin is located at the first pin position, the second end of the connecting pin passes through the first pin hole and the second pin a hole, the connecting part is connected with the matching part;
在所述连接销轴位于第二销轴位置的情况下,所述连接部和所述配合部均与所述连接销轴分离,所述连接部与所述配合部可分离。When the connecting pin is located at the second pin position, both the connecting portion and the matching portion are separated from the connecting pin, and the connecting portion and the matching portion are separable.
可选地,所述配重安装架设置有抵接部,所述抵接部位于所述第一销孔的上方;Optionally, the counterweight mounting bracket is provided with an abutting portion, and the abutting portion is located above the first pin hole;
在所述配合部位于第一位置的情况下,所述配合部的顶端抵接所述抵接部,所述第一销孔与所述第二销孔在所述第一销孔的延伸方向上相对;When the engaging portion is located at the first position, the top end of the engaging portion abuts the abutting portion, and the first pin hole and the second pin hole are in the extending direction of the first pin hole relative;
在所述配合部位于第二位置的情况下,所述配合部位于所述抵接部的下方。When the engaging portion is located at the second position, the engaging portion is located below the abutting portion.
可选地,所述抵接部为沿所述第一销孔的延伸方向设置的定位销;Optionally, the abutting portion is a positioning pin provided along the extending direction of the first pin hole;
所述配合部的顶端设置有槽口朝上的V型槽,所述V型槽在所述第二销孔的延伸方向上贯穿所述配合部;The top end of the matching portion is provided with a V-shaped groove with the notch facing upward, and the V-shaped groove penetrates the matching portion in the extending direction of the second pin hole;
在所述配合部位于所述第一位置的情况下,所述定位销的至少部分伸入所述V型槽内,所述定位销抵接所述V型槽相对的两侧壁。When the matching portion is located at the first position, at least a part of the positioning pin protrudes into the V-shaped groove, and the positioning pin abuts two opposite side walls of the V-shaped groove.
可选地,所述顶升装置设置于所述机架上且位于所述配重安装架的下方;或者,Optionally, the jacking device is disposed on the frame and below the counterweight mounting frame; or,
所述顶升装置安装于所述配重上且与所述配合部动力耦合连接。The jacking device is mounted on the counterweight and is dynamically coupled and connected with the matching portion.
可选地,所述配重安装架与所述尾部之间设置有锁止结构,用于在所述配重安装架转动调节至预设安装位置的情况下限制所述配重安装架的转动。Optionally, a locking structure is provided between the counterweight mounting frame and the tail portion to limit the rotation of the counterweight mounting frame when the counterweight mounting frame is rotated and adjusted to a preset installation position. .
可选地,所述锁止结构包括:Optionally, the locking structure includes:
连接板,连接所述尾部且朝下设置,所述连接板贯穿地设置有第一限位孔和第二限位孔;以及,a connecting plate, connected to the tail and disposed downward, the connecting plate is provided with a first limiting hole and a second limiting hole through; and,
锁止插销,沿所述配重安装架的转动轴线设置,所述锁止插销具有朝向所述连接板的锁止端以及背向所述连接板的连接端,所述锁止插销的所述连 接端通过弹性件与所述配重安装架连接;A locking bolt is arranged along the rotation axis of the counterweight mounting frame, the locking bolt has a locking end facing the connecting plate and a connecting end facing away from the connecting plate, and the locking bolt has a locking end facing the connecting plate and a connecting end facing away from the connecting plate. The connecting end is connected with the counterweight mounting frame through an elastic piece;
在所述配重安装架位于第一安装位置的情况下,所述连接部相对于所述配重安装架的转动轴线靠近所述首部,所述锁止插销的所述锁止端与所述第一限位孔卡接;When the counterweight mounting bracket is in the first installation position, the connecting portion is close to the head portion relative to the rotation axis of the counterweight mounting bracket, and the locking end of the locking bolt is connected to the The first limit hole is clamped;
在所述配重安装架位于第二安装位置的情况下,所述连接部相对于所述配重安装架的转动轴线远离所述首部,所述锁止插销的锁止端与所述第二限位孔卡接。When the counterweight mounting bracket is located at the second installation position, the connecting portion is away from the head portion relative to the rotation axis of the counterweight mounting bracket, and the locking end of the locking bolt is connected to the second mounting position. The limit hole is snapped.
本发明还提供一种作业机械,包括如上述任一所述的配重变位机构。The present invention also provides a working machine, comprising the counterweight displacement mechanism as described above.
本发明提供的配重变位机构及作业机械,将配重与配重安装架拆开,转动调节配重安装架后,通过顶升装置抬升配重至配重安装架处安装,即可实现配重的移动调节,此种配重的移动调节方式占用纵向空间较小,并且,由于配重安装架不需设置驱动装置,故配重安装架结构简单且重量较轻,转动更容易。The counterweight displacement mechanism and the working machine provided by the present invention can be realized by disassembling the counterweight and the counterweight mounting frame, rotating and adjusting the counterweight mounting frame, and then lifting the counterweight to the counterweight mounting frame by the jacking device for installation. The movement and adjustment of the counterweight takes up less vertical space, and because the counterweight mounting frame does not need to be provided with a driving device, the counterweight mounting frame is simple in structure, light in weight, and easier to rotate.
为了更清楚地说明本发明或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单的介绍,显而易见地,下面描述中的附图是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。In order to explain the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.
图1是本发明提供的作业机械的结构示意图,其中,配重安装架位于第一安装位置;1 is a schematic structural diagram of a work machine provided by the present invention, wherein the counterweight mounting frame is located at a first mounting position;
图2是图1中A处的放大示意图;Fig. 2 is the enlarged schematic diagram of A place in Fig. 1;
图3是图1中作业机械的部分结构示意图;Fig. 3 is the partial structure schematic diagram of the working machine in Fig. 1;
图4是图3中B处的放大示意图;Fig. 4 is the enlarged schematic diagram at B in Fig. 3;
图5是图3中结构的部分结构示意图;Fig. 5 is the partial structure schematic diagram of the structure in Fig. 3;
图6是图1中作业机械的结构示意图,其中,配重安装架位于第二安装位置;FIG. 6 is a schematic structural diagram of the work machine in FIG. 1 , wherein the counterweight mounting frame is located at a second mounting position;
图7是图6中作业机械的部分结构示意图;Fig. 7 is the partial structure schematic diagram of the working machine in Fig. 6;
附图标记:Reference number:
1:机架;2:转台;21:首部;22:尾部;3:配重安装架;31:连接 部;32:第一销孔;33:抵接部;4:配重;41:配合部;42:第二销孔;43:V型槽;5:顶升装置;6:连接销轴;7:销轴支架;8:锁止结构;81:连接板;82:第一限位孔;83:第二限位孔;84:锁止插销;100:作业机械。1: Rack; 2: Turntable; 21: Head; 22: Tail; 3: Counterweight mounting bracket; 31: Connecting part; 32: First pin hole; 33: Abutting part; 4: Counterweight; 41: Fitting part; 42: second pin hole; 43: V-shaped groove; 5: jacking device; 6: connecting pin; 7: pin bracket; 8: locking structure; 81: connecting plate; 82: first limit hole; 83: second limit hole; 84: locking pin; 100: working machine.
为使本发明的目的、技术方案和优点更加清楚,下面将结合本发明中的附图,对本发明中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention. , not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
下面结合图1至图7描述本发明的配重变位机构,该配重变位机构能用于起重机、混凝土泵车或者消防车等作业机械,以将作业机械是起重机为例进行介绍。The following describes the counterweight displacement mechanism of the present invention with reference to FIGS. 1 to 7 . The counterweight displacement mechanism can be used for working machines such as cranes, concrete pump trucks or fire trucks. The working machine is a crane as an example for introduction.
具体地,如图1至图4所示,配重变位机构包括机架1、转台2、配重安装架3、配重4以及顶升装置5,转台2具有首部21和尾部22,首部21连接机架1,首部21与尾部22在转台2的长度方向上相对设置,配重安装架3沿上下方向的轴线转动连接于尾部22上,配重安装架3设置有连接部31,连接部31位于配重安装架3的转动轴线的一侧;配重4设置有与连接部31可拆卸连接的配合部41;顶升装置5用于驱动配合部41相对于连接部31上下移动。Specifically, as shown in FIGS. 1 to 4 , the counterweight displacement mechanism includes a frame 1, a turntable 2, a counterweight mounting frame 3, a counterweight 4 and a jacking device 5. The turntable 2 has a head portion 21 and a tail portion 22. The head portion 21 is connected to the frame 1, the head part 21 and the tail part 22 are oppositely arranged in the length direction of the turntable 2, the counterweight mounting frame 3 is rotated and connected to the tail part 22 along the axis of the up-down direction, and the counterweight mounting frame 3 is provided with a connecting part 31, which is connected The counterweight 4 is provided with a matching portion 41 detachably connected to the connecting portion 31 ; the jacking device 5 is used to drive the matching portion 41 to move up and down relative to the connecting portion 31 .
具体而言,在需要移动调节配重4时,先将连接部31与配合部41拆开,并通过顶升装置5下降配重4;然后转动调节配重安装架3,并通过作业机械100的起吊装置等来平移配重4,使得配合部41与连接部31上下相对;再通过顶升装置5抬升配重4至配重安装架3处安装,即可实现配重4的移动调节。Specifically, when the adjustment counterweight 4 needs to be moved, the connecting part 31 and the matching part 41 are first disassembled, and the counterweight 4 is lowered through the jacking device 5; The counterweight 4 is moved in translation by the lifting device, etc., so that the matching part 41 and the connecting part 31 are opposite up and down;
本发明提供的配重变位机构,将配重4与配重安装架3拆开,转动调节配重安装架3后,通过顶升装置5抬升配重4至配重安装架3处安装,即可实现配重4的移动调节,此种配重4的移动调节方式占用纵向空间较小,并且,由于配重安装架3不需设置驱动装置,故配重安装架3结构简单且重量 较轻,转动更容易。In the counterweight displacement mechanism provided by the present invention, the counterweight 4 is disassembled from the counterweight installation frame 3, and after the counterweight installation frame 3 is rotated and adjusted, the counterweight 4 is lifted by the jacking device 5 to the counterweight installation frame 3 for installation. The movement and adjustment of the counterweight 4 can be realized. This kind of movement and adjustment of the counterweight 4 takes up less vertical space, and because the counterweight mounting frame 3 does not need to be provided with a driving device, the counterweight mounting frame 3 has a simple structure and a relatively low weight. Light and easier to turn.
顶升装置5能驱动配合部41相对于连接部31上下移动的实现方式有多种,可以是顶升装置5安装于配重4上且与配合部41动力耦合连接,例如,顶升装置5为伸缩缸,伸缩缸的缸杆连接配合部41,伸缩缸的缸体固定连接配重4的主体,当配重4位于配重安装架3的下方时,先驱动伸缩缸的缸杆伸出,使得配合部41移动至配重安装架3的连接部31处,将配合部41与连接部31固定连接后,再驱动伸缩缸的缸杆收缩,即可向上提升配重4的主体;还可以是如图5和图7所示,在本实施例中,顶升装置5设置于机架1上且位于配重安装架3的下方,顶升装置5对配重4整体进行顶升和下降,从而实现配合部41相对于连接部31上下移动,其中,顶升装置5可以为油缸,并且油缸为无杆腔进油,油缸有利于实现轻量化设计且成本低。The jacking device 5 can drive the matching portion 41 to move up and down relative to the connecting portion 31 in various ways. It is a telescopic cylinder, the cylinder rod of the telescopic cylinder is connected to the matching part 41, and the cylinder body of the telescopic cylinder is fixedly connected to the main body of the counterweight 4. When the counterweight 4 is located under the counterweight mounting frame 3, the cylinder rod of the telescopic cylinder is first driven to extend. , so that the matching part 41 moves to the connecting part 31 of the counterweight mounting frame 3, and after the matching part 41 is fixedly connected with the connecting part 31, and then drives the cylinder rod of the telescopic cylinder to shrink, the main body of the counterweight 4 can be lifted upwards; 5 and 7, in this embodiment, the jacking device 5 is arranged on the frame 1 and is located below the counterweight mounting frame 3, and the jacking device 5 lifts and lifts the counterweight 4 as a whole. Down, so that the matching part 41 moves up and down relative to the connecting part 31, wherein the jacking device 5 can be an oil cylinder, and the oil cylinder is a rodless cavity for oil intake, and the oil cylinder is conducive to realizing lightweight design and low cost.
如图4和图5所示,在本实施例中,配重安装架3设置有两个,两个配重安装架3分设于尾部22在转台2的宽度方向上的两侧;配合部41对应两个配重安装架3设置有两个,两个配合部41分别与两个连接部31可拆卸连接。这样配重4受力会更为均衡。As shown in FIG. 4 and FIG. 5 , in this embodiment, there are two counterweight mounting brackets 3 , and the two counterweight mounting brackets 3 are respectively arranged on both sides of the tail portion 22 in the width direction of the turntable 2 ; the matching portion 41 There are two counterweight mounting brackets 3 corresponding to the two, and the two matching parts 41 are respectively detachably connected to the two connecting parts 31 . In this way, the force of the counterweight 4 will be more balanced.
连接部31与配合部41可拆卸连接的实现方式有多种,可以是连接部31与配合部41通过螺接件固定连接;还可以是如图2、图4和图5所示,在本实施例中,连接部31与配合部41通过连接销轴6可拆卸连接;连接部31贯穿地设置有供连接销轴6穿过的第一销孔32,配合部41贯穿地设置有供连接销轴6穿过的第二销孔42。通过连接销轴6来实现连接部31与配合部41之间的可拆卸连接,这样配重4的拆装较为便利。There are many ways to realize the detachable connection between the connecting part 31 and the matching part 41. The connecting part 31 and the matching part 41 can be fixedly connected by screw joints; In the embodiment, the connecting portion 31 and the matching portion 41 are detachably connected through the connecting pin 6; The second pin hole 42 through which the pin shaft 6 passes. The detachable connection between the connecting part 31 and the matching part 41 is realized by the connecting pin 6 , so that the disassembly and assembly of the counterweight 4 is more convenient.
进一步地,如图2所示,在本实施例中,配重安装架3或者配合部41设置有销轴支架7,连接销轴6具有相对的第一端和第二端,连接销轴6的第一端沿第一销孔32的延伸方向活动连接于销轴支架7上;在配合部41位于第一位置且连接销轴6位于第一销轴位置的情况下,连接销轴6的第二端穿过第一销孔32和第二销孔42,连接部31与配合部41连接;在连接销轴6位于第二销轴位置的情况下,连接部31和配合部41均与连接销轴6分离,连接部31与配合部41可分离。如图2所示,销轴支架7是固定安装在配重安装架3上,连接销轴6与销轴支架7连接,这样不易出现连接销轴 6丢失的情况。Further, as shown in FIG. 2 , in this embodiment, the counterweight mounting frame 3 or the matching portion 41 is provided with a pin bracket 7 , the connection pin 6 has opposite first and second ends, and the connection pin 6 The first end of the pin is movably connected to the pin bracket 7 along the extension direction of the first pin hole 32; when the matching portion 41 is at the first position and the connecting pin 6 is at the first pin position, the The second end passes through the first pin hole 32 and the second pin hole 42, and the connecting portion 31 is connected to the matching portion 41; when the connecting pin 6 is located at the second pin position, the connecting portion 31 and the matching portion 41 are both connected to the matching portion 41. The connecting pin 6 is separated, and the connecting portion 31 and the matching portion 41 can be separated. As shown in Figure 2, the pin bracket 7 is fixedly installed on the counterweight mounting frame 3, and the connection pin 6 is connected with the pin bracket 7, so that the connection pin 6 is not easily lost.
如图4和图5所示,在本实施例中,配重安装架3设置有抵接部33,抵接部33位于第一销孔32的上方;在配合部41位于第一位置的情况下,配合部41的顶端抵接抵接部33,第一销孔32与第二销孔42在第一销孔32的延伸方向上相对;在配合部41位于第二位置的情况下,配合部41位于抵接部33的下方。在顶升装置5顶升配重4的过程中,抵接部33能实现对配重4的定位,从而有利于顺利***连接销轴6,以固定配重4。As shown in FIGS. 4 and 5 , in this embodiment, the counterweight mounting bracket 3 is provided with an abutting portion 33 , and the abutting portion 33 is located above the first pin hole 32 ; in the case where the matching portion 41 is located at the first position down, the top end of the matching portion 41 abuts the abutting portion 33, and the first pin hole 32 and the second pin hole 42 are opposite in the extending direction of the first pin hole 32; when the matching portion 41 is located at the second position, the matching The portion 41 is located below the abutting portion 33 . In the process of lifting the counterweight 4 by the lifting device 5 , the abutting portion 33 can realize the positioning of the counterweight 4 , thereby facilitating the smooth insertion of the connecting pin 6 to fix the counterweight 4 .
进一步地,如图4和图5所示,在本实施例中,抵接部33为沿第一销孔32的延伸方向设置的定位销;配合部41的顶端设置有槽口朝上的V型槽43,V型槽43在第二销孔42的延伸方向上贯穿配合部41;在配合部41位于第一位置的情况下,定位销的至少部分伸入V型槽43内,定位销抵接V型槽43相对的两侧壁。通过定位销与V型槽43的限位配合,能防止配重4在作业过程中产生晃动。Further, as shown in FIGS. 4 and 5 , in this embodiment, the abutting portion 33 is a positioning pin provided along the extending direction of the first pin hole 32 ; The V-shaped groove 43 penetrates the matching portion 41 in the extending direction of the second pin hole 42; when the matching portion 41 is in the first position, at least part of the positioning pin extends into the V-shaped groove 43, and the positioning pin It abuts against the opposite side walls of the V-shaped groove 43 . Through the limited cooperation between the positioning pin and the V-shaped groove 43, the counterweight 4 can be prevented from shaking during the operation.
如图2和图5所示,在本实施例中,配重安装架3与尾部22之间设置有锁止结构8,用于在配重安装架3转动调节至预设安装位置的情况下限制配重安装架3的转动。在调整好配重安装架3后,锁止结构8能防止配重安装架3产生晃动。As shown in FIG. 2 and FIG. 5 , in this embodiment, a locking structure 8 is provided between the counterweight mounting frame 3 and the tail portion 22 , which is used when the counterweight mounting frame 3 is rotated and adjusted to a preset installation position The rotation of the counterweight mounting bracket 3 is restricted. After the counterweight mounting frame 3 is adjusted, the locking structure 8 can prevent the counterweight mounting frame 3 from shaking.
具体地,如图2和图5所示,在本实施例中,锁止结构8包括连接板81以及锁止插销84,连接板81连接尾部22且朝下设置,连接板81贯穿地设置有第一限位孔82和第二限位孔83;锁止插销84沿配重安装架3的转动轴线设置,锁止插销84具有朝向连接板81的锁止端以及背向连接板81的连接端,锁止插销84的连接端通过弹性件与配重安装架3连接;在配重安装架3位于第一安装位置的情况下,连接部31相对于配重安装架3的转动轴线靠近首部21,锁止插销84的锁止端与第一限位孔82卡接;在配重安装架3位于第二安装位置的情况下,连接部31相对于配重安装架3的转动轴线远离首部21,锁止插销84的锁止端与第二限位孔83卡接。如图1和图6所示,以机架1的长度方向为前后向,这样,在机架1上形成一前一后的两个配重安装位置。其中,机架1上对应两个配重安装位置均安装有顶升装置5,并且,机架1上对应每个配重安装位置均沿机架1的宽度方向间 隔安装有多个顶升装置5,例如,如图7所示,机架1上对应每个配重安装位置均沿机架1的宽度方向间隔安装有两个顶升装置5。Specifically, as shown in FIG. 2 and FIG. 5 , in this embodiment, the locking structure 8 includes a connecting plate 81 and a locking pin 84 , the connecting plate 81 is connected to the tail portion 22 and is disposed downward, and the connecting plate 81 is provided with The first limit hole 82 and the second limit hole 83; the locking pin 84 is arranged along the rotation axis of the counterweight mounting frame 3, and the locking pin 84 has a locking end facing the connecting plate 81 and a connection facing away from the connecting plate 81 The connecting end of the locking bolt 84 is connected with the counterweight mounting frame 3 through an elastic member; when the counterweight mounting frame 3 is in the first installation position, the connecting portion 31 is close to the head portion relative to the rotation axis of the counterweight mounting frame 3 21. The locking end of the locking bolt 84 is engaged with the first limiting hole 82; when the counterweight mounting frame 3 is in the second installation position, the connecting portion 31 is away from the head relative to the rotation axis of the counterweight mounting frame 3 21. The locking end of the locking bolt 84 is snap-connected with the second limiting hole 83 . As shown in FIG. 1 and FIG. 6 , the longitudinal direction of the rack 1 is taken as the front-rear direction, so that two counterweight installation positions, one in front and one behind, are formed on the rack 1 . Wherein, jacking devices 5 are installed on the rack 1 corresponding to two counterweight installation positions, and a plurality of jacking devices are installed at intervals along the width direction of the rack 1 corresponding to each counterweight installation position on the rack 1 5. For example, as shown in FIG. 7 , two jacking devices 5 are installed at intervals along the width direction of the rack 1 corresponding to each counterweight installation position on the rack 1 .
本发明还提供一种作业机械100,该作业机械100可以为起重机、混凝土泵车或者消防车等,如图1至图7所示,该作业机械100包括如上所述的配重变位机构。The present invention also provides a work machine 100, which may be a crane, a concrete pump truck, or a fire truck, etc. As shown in FIGS. 1 to 7 , the work machine 100 includes the above-mentioned counterweight displacement mechanism.
本发明提供的作业机械100,将配重4与配重安装架3拆开,转动调节配重安装架3后,通过顶升装置5抬升配重4至配重安装架3处安装,即可实现配重4的移动调节,此种配重4的移动调节方式占用纵向空间较小,并且,由于配重安装架3不需设置驱动装置,故配重安装架3结构简单且重量较轻,转动更容易。In the work machine 100 provided by the present invention, the counterweight 4 and the counterweight mounting frame 3 are disassembled, and after the counterweight mounting frame 3 is rotated and adjusted, the counterweight 4 is lifted by the jacking device 5 to the counterweight mounting frame 3 for installation. The movement adjustment of the counterweight 4 is realized. This kind of movement adjustment method of the counterweight 4 takes up less longitudinal space, and since the counterweight mounting frame 3 does not need to be provided with a driving device, the counterweight mounting frame 3 has a simple structure and light weight, Turning is easier.
最后应说明的是:以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
- 一种配重变位机构,其特征在于,包括:A counterweight displacement mechanism, comprising:机架(1);rack(1);转台(2),具有首部(21)和尾部(22),所述首部(21)连接所述机架(1),所述首部(21)与所述尾部(22)在所述转台(2)的长度方向上相对设置;A turntable (2) has a head (21) and a tail (22), the head (21) is connected to the frame (1), and the head (21) and the tail (22) are in the turntable (2) ) are relatively set in the length direction;配重安装架(3),沿上下方向的轴线转动连接于所述尾部(22)上,所述配重安装架(3)设置有连接部(31),所述连接部(31)位于所述配重安装架(3)的转动轴线的一侧;The counterweight mounting frame (3) is rotatably connected to the tail portion (22) along the axis in the up-down direction, the counterweight mounting frame (3) is provided with a connecting portion (31), and the connecting portion (31) is located at the one side of the rotation axis of the counterweight mounting frame (3);配重(4),设置有与所述连接部(31)可拆卸连接的配合部(41);以及,a counterweight (4), provided with a matching portion (41) detachably connected to the connecting portion (31); and,顶升装置(5),用于驱动所述配合部(41)相对于所述连接部(31)上下移动。A jacking device (5) is used for driving the matching portion (41) to move up and down relative to the connecting portion (31).
- 根据权利要求1所述的配重变位机构,其特征在于,所述配重安装架(3)设置有两个,两个所述配重安装架(3)分设于所述尾部(22)在所述转台(2)的宽度方向上的两侧;The counterweight displacement mechanism according to claim 1, characterized in that, there are two counterweight mounting brackets (3), and the two counterweight mounting brackets (3) are respectively provided on the tail portion (22) on both sides in the width direction of the turntable (2);所述配合部(41)对应两个所述配重安装架(3)设置有两个,两个所述配合部(41)分别与两个所述连接部(31)可拆卸连接。Two of the matching portions (41) are provided corresponding to the two counterweight mounting brackets (3), and the two matching portions (41) are respectively detachably connected to the two connecting portions (31).
- 根据权利要求1所述的配重变位机构,其特征在于,所述连接部(31)与所述配合部(41)通过连接销轴(6)可拆卸连接;The counterweight displacement mechanism according to claim 1, wherein the connecting portion (31) and the matching portion (41) are detachably connected through a connecting pin (6);所述连接部(31)贯穿地设置有供所述连接销轴(6)穿过的第一销孔(32),所述配合部(41)贯穿地设置有供所述连接销轴(6)穿过的第二销孔(42)。The connecting portion (31) is provided with a first pin hole (32) through which the connecting pin (6) passes, and the matching portion (41) is provided with the connecting pin (6) passing through. ) through the second pin hole (42).
- 根据权利要求3所述的配重变位机构,其特征在于,所述配重安装架(3)或者所述配合部(41)设置有销轴支架(7),所述连接销轴(6)具有相对的第一端和第二端,所述连接销轴(6)的所述第一端沿所述第一销孔(32)的延伸方向活动连接于所述销轴支架(7)上;The counterweight displacement mechanism according to claim 3, wherein the counterweight mounting bracket (3) or the matching portion (41) is provided with a pin shaft bracket (7), and the connecting pin shaft (6) ) has opposite first and second ends, the first end of the connecting pin (6) is movably connected to the pin bracket (7) along the extending direction of the first pin hole (32) superior;在所述配合部(41)位于第一位置且所述连接销轴(6)位于第一销轴位置的情况下,所述连接销轴(6)的所述第二端穿过所述第一销孔(32) 和所述第二销孔(42),所述连接部(31)与所述配合部(41)连接;When the matching portion (41) is located at the first position and the connecting pin (6) is located at the first pin position, the second end of the connecting pin (6) passes through the first a pin hole (32) and the second pin hole (42), the connecting part (31) is connected with the matching part (41);在所述连接销轴(6)位于第二销轴位置的情况下,所述连接部(31)和所述配合部(41)均与所述连接销轴(6)分离,所述连接部(31)与所述配合部(41)可分离。When the connecting pin (6) is located at the second pin position, both the connecting portion (31) and the matching portion (41) are separated from the connecting pin (6), and the connecting portion (31) is separable from the matching portion (41).
- 根据权利要求3所述的配重变位机构,其特征在于,所述配重安装架(3)设置有抵接部(33),所述抵接部(33)位于所述第一销孔(32)的上方;The counterweight displacement mechanism according to claim 3, wherein the counterweight mounting bracket (3) is provided with an abutting portion (33), and the abutting portion (33) is located in the first pin hole (32) above;在所述配合部(41)位于第一位置的情况下,所述配合部(41)的顶端抵接所述抵接部(33),所述第一销孔(32)与所述第二销孔(42)在所述第一销孔(32)的延伸方向上相对;When the fitting portion (41) is located at the first position, the top end of the fitting portion (41) abuts the abutting portion (33), and the first pin hole (32) is connected to the second The pin holes (42) are opposite in the extending direction of the first pin holes (32);在所述配合部(41)位于第二位置的情况下,所述配合部(41)位于所述抵接部(33)的下方。When the engaging portion (41) is located at the second position, the engaging portion (41) is located below the abutting portion (33).
- 根据权利要求5所述的配重变位机构,其特征在于,所述抵接部(33)为沿所述第一销孔(32)的延伸方向设置的定位销;The counterweight displacement mechanism according to claim 5, wherein the abutting portion (33) is a positioning pin provided along the extending direction of the first pin hole (32);所述配合部(41)的顶端设置有槽口朝上的V型槽(43),所述V型槽(43)在所述第二销孔(42)的延伸方向上贯穿所述配合部(41);The top end of the matching portion (41) is provided with a V-shaped groove (43) with the notch facing upward, and the V-shaped groove (43) penetrates the matching portion in the extending direction of the second pin hole (42). (41);在所述配合部(41)位于所述第一位置的情况下,所述定位销的至少部分伸入所述V型槽(43)内,所述定位销抵接所述V型槽(43)相对的两侧壁。When the matching portion (41) is located at the first position, at least part of the positioning pin protrudes into the V-shaped groove (43), and the positioning pin abuts against the V-shaped groove (43). ) on the opposite side walls.
- 根据权利要求1所述的配重变位机构,其特征在于,所述顶升装置(5)设置于所述机架(1)上且位于所述配重安装架(3)的下方;或者,The counterweight displacement mechanism according to claim 1, wherein the jacking device (5) is arranged on the frame (1) and is located below the counterweight mounting frame (3); or ,所述顶升装置(5)安装于所述配重(4)上且与所述配合部(41)动力耦合连接。The jacking device (5) is mounted on the counterweight (4) and is dynamically coupled to the matching portion (41).
- 根据权利要求1所述的配重变位机构,其特征在于,所述配重安装架(3)与所述尾部(22)之间设置有锁止结构(8),用于在所述配重安装架(3)转动调节至预设安装位置的情况下限制所述配重安装架(3)的转动。The counterweight displacement mechanism according to claim 1, characterized in that, a locking structure (8) is provided between the counterweight mounting bracket (3) and the tail portion (22), for the When the weight mounting bracket (3) is rotated and adjusted to a preset installation position, the rotation of the counterweight mounting bracket (3) is restricted.
- 根据权利要求8所述的配重变位机构,其特征在于,所述锁止结构(8)包括:The counterweight displacement mechanism according to claim 8, wherein the locking structure (8) comprises:连接板(81),连接所述尾部(22)且朝下设置,所述连接板(81)贯 穿地设置有第一限位孔(82)和第二限位孔(83);以及,A connecting plate (81) is connected to the tail portion (22) and is disposed downward, and the connecting plate (81) is provided with a first limiting hole (82) and a second limiting hole (83) therethrough; and,锁止插销(84),沿所述配重安装架(3)的转动轴线设置,所述锁止插销(84)具有朝向所述连接板(81)的锁止端以及背向所述连接板(81)的连接端,所述锁止插销(84)的所述连接端通过弹性件与所述配重安装架(3)连接;A locking bolt (84), arranged along the axis of rotation of the counterweight mounting bracket (3), the locking bolt (84) has a locking end facing the connecting plate (81) and facing away from the connecting plate The connecting end of (81), the connecting end of the locking bolt (84) is connected to the counterweight mounting bracket (3) through an elastic member;在所述配重安装架(3)位于第一安装位置的情况下,所述连接部(31)相对于所述配重安装架(3)的转动轴线靠近所述首部(21),所述锁止插销(84)的所述锁止端与所述第一限位孔(82)卡接;When the counterweight mounting bracket (3) is in the first installation position, the connecting portion (31) is close to the head portion (21) with respect to the rotation axis of the counterweight mounting bracket (3), and the The locking end of the locking bolt (84) is engaged with the first limiting hole (82);在所述配重安装架(3)位于第二安装位置的情况下,所述连接部(31)相对于所述配重安装架(3)的转动轴线远离所述首部(21),所述锁止插销(84)的锁止端与所述第二限位孔(83)卡接。When the counterweight mounting bracket (3) is in the second installation position, the connecting portion (31) is away from the head portion (21) relative to the rotation axis of the counterweight mounting bracket (3), and the The locking end of the locking bolt (84) is engaged with the second limiting hole (83).
- 一种作业机械(100),其特征在于,包括如权利要求1至9任一项所述的配重变位机构。A work machine (100), characterized by comprising the counterweight displacement mechanism according to any one of claims 1 to 9.
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EP21920629.9A EP4282808A4 (en) | 2021-01-25 | 2021-09-18 | Counterweight displacement mechanism and operating machine |
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CN202110097818.XA CN112758845B (en) | 2021-01-25 | 2021-01-25 | Counterweight displacement mechanism and working machine |
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CN112758845B (en) * | 2021-01-25 | 2023-07-28 | 三一汽车起重机械有限公司 | Counterweight displacement mechanism and working machine |
CN115818471A (en) * | 2022-11-23 | 2023-03-21 | 湖南三一中型起重机械有限公司 | Counter weight mounting structure and engineering machinery |
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EP4282808A4 (en) | 2024-07-10 |
EP4282808A1 (en) | 2023-11-29 |
CN112758845B (en) | 2023-07-28 |
CN112758845A (en) | 2021-05-07 |
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