CN102556862A - Wheeled crane and moveable counterweight component thereof - Google Patents
Wheeled crane and moveable counterweight component thereof Download PDFInfo
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- CN102556862A CN102556862A CN2012100555345A CN201210055534A CN102556862A CN 102556862 A CN102556862 A CN 102556862A CN 2012100555345 A CN2012100555345 A CN 2012100555345A CN 201210055534 A CN201210055534 A CN 201210055534A CN 102556862 A CN102556862 A CN 102556862A
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Abstract
The invention discloses a moveable counterweight component of a wheeled crane. The moveable counterweight component of the wheeled crane comprises a counterweight body (26) and a positioning mechanism, wherein the counterweight body (26) is arranged on a vehicle frame (21) of the wheeled crane through the positioning mechanism. The moveable counterweight component of the wheeled crane also comprises a guide mechanism, wherein the guide mechanism (22) further comprises a first guide part and a second guide part; the second guide part is connected with the first guide part in a sliding and detachable manner; the first guide part is arranged on the vehicle frame (21) and extends outwards relative to the vehicle frame (21); the second guide part is arranged on the outer surface of the counterweight body (26); and the sliding direction of the two guide parts is as same as the assembling direction of the counterweight body (26). The moveable counterweight component has short operating time during assembling, effectively avoids potential hazards to workers when the counterweight is arranged and guarantees labor safety. The invention also discloses the wheeled crane comprising the moveable counterweight component.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of moving counterweight assembly that is used for wheel crane.The invention still further relates to a kind of wheel crane that comprises above-mentioned moving counterweight assembly.
Background technology
Fast development along with China's economic construction; Market increases for the increasing demand of the especially various hoisting cranes of construction machinery and equipment; Constantly the increasing of crane job height, lifting tonnage constantly increase; Make that the tilting moment of hoisting crane in operation process is bigger, bring many potential danger to hoisting operation; In order to guarantee the job safety of hoisting crane; Tumble when avoiding crane loading, counterweight need be installed on crane frame, counterweight is generally the block structure of cast iron materials; When hoisting crane carries out lifting operation; Hang over the afterbody of hoisting crane, the gravitational moment of counterweight and tilting moment in the opposite direction is so that hoisting crane keeps balance in operation process.
Counterweight in the hoisting crane has fixed weight and moving counterweight, and fixed weight hangs over the hoisting crane afterbody with fixed form, and hoisting crane counterweight under work or off working state is not all dismantled; And moving counterweight only is installed in the hoisting crane afterbody when hoisting crane is worked, and hoisting crane disassembles under off working state, to alleviate the road weight of vehicle.Because it belongs to a kind of special vehicle, need consider problems such as road weight for wheel crane, therefore, the important use moving counterweight of wheel crane.
Please refer to Fig. 1 to Fig. 3, the structural scheme of mechanism when Fig. 1 is installed on the vehicle frame for a kind of representative type moving counterweight assembly; Fig. 2 is the structural representation of detent mechanism in the moving counterweight assembly shown in Figure 1; Fig. 3 is a counterweight main body structure scheme drawing in the moving counterweight assembly shown in Figure 1.
A kind of representative type moving counterweight assembly comprises counterweight body 11 and is used for counterweight body 11 is fixed on the detent mechanism on the vehicle frame 12; Counterweight body 11 is installed on the vehicle frame 12; And fix through detent mechanism, counterweight body 11 generally is positioned on the anterior plane of center of gyration.Detent mechanism comprises four identical positioning elements, and each positioning element is made up of square nutplate and semi-round locating piece 14 respectively, and the nutplate that offers tapped bore is welded on the last plane of vehicle frame 12, and locating piece 14 is installed on the nutplate through screw; The bottom of counterweight body 11 has four circular knock holees, each knock hole to offer the position corresponding with each detent mechanism respectively, be used for matching realizing the location of counterweight with locating piece 14.When moving counterweight was installed, the operator at first stretched out supporting leg 13, props vehicle; Then, utilize the lifting performance of this machine to sling moving counterweight, simultaneously; The position of Visual Measured Action counterweight locating piece 14; According to ground staff's guidance and the manual cooperation that utilizes the ground staff down, the mode through repeatedly trial assembly makes the circular knock hole on the moving counterweight match with semi-round locating piece 14, thus the location and installation of realization moving counterweight.
Above-mentioned counterweight body mainly is to rely on operator's installation experience and ground staff's cooperation to be accomplished when mounted; Owing to receive the restriction in the visual field; The operator can't see whether the counterweight knock hole of moving counterweight bottom and the counterweight locating piece on the vehicle frame coincide; Can only carry out fuzzy operation by by touch, and need to pass through repeatedly the location placement that the mode of trial assembly could be accomplished moving counterweight, make that the installation process of counterweight body is very consuming time; Simultaneously, in the process of placing the counterweight body, owing to receive the influence of wind-force and counterweight self inertia; The swing phenomenon appears in this cognition of counterweight; Be difficult to accurately locate,, generally all need the manual cooperation of ground staff to position according to traditional laying method; Thereby the whole erection process brings very big potential safety hazard for the surface work personnel.
Therefore, how to simplify the installation process of moving counterweight, reduce the set-up time, increase work efficiency, simultaneously, avoid the artificial assistance location in the installation process, the safety that improves installation process just becomes the problem that those skilled in the art need solve.
Summary of the invention
The purpose of this invention is to provide a kind of moving counterweight assembly that is used for wheel crane, its installation is comparatively convenient, thereby has reduced the set-up time, has improved work efficiency; Simultaneously, it need not the artificial assistance location in installation process, and operational security is higher.Another object of the present invention provides a kind of wheel crane that comprises above-mentioned moving counterweight assembly.
For solving the problems of the technologies described above; The present invention provides a kind of moving counterweight assembly of wheel crane; Comprise counterweight body and detent mechanism, said counterweight body is installed on the vehicle frame of said wheel crane through said detent mechanism, also comprises guiding mechanism; Said guiding mechanism further comprises first guiding parts and slides and detachable ground bonded assembly second guiding parts with said first guiding parts; Said first guiding parts is installed on said vehicle frame and overhanging with respect to said vehicle frame, and the said second guiding parts position is arranged at the outside face of said counterweight body, and the direction of slip of two said guiding partss is identical with the installation direction of said counterweight body.
Preferably, said first guiding parts is the guide plate that is installed on the said vehicle frame, and said second guiding parts is the chute that is opened in said counterweight body, and said guide plate slides is installed on said chute.
Preferably, said guide plate is provided with on the short transverse of said wheel crane, and its side near said detent mechanism forms spigot surface.
Preferably, along on the installation direction of said counterweight body, said spigot surface is gradually near said detent mechanism.
Preferably, said guiding mechanism also comprises support, and said guide plate is installed on said vehicle frame through said support.
Preferably, be provided with the lateral adjustments parts between said guide plate and the said support, the adjustable positions of said guide plate on said vehicle frame length direction.
Preferably, said lateral adjustments parts comprise the bar hole that is opened in said guide plate and pass said bar hole and be fixed in the screw of said support that said bar hole extends along the length direction of said car body.
Preferably, said guiding mechanism has two, and two said guiding mechanisms lay respectively at the both sides of said vehicle frame.
Preferably, two said guiding mechanisms are symmetrical set with respect to the longitudinal plane of symmetry of said vehicle frame.
The present invention also provides a kind of wheel crane, comprises vehicle frame and is removably installed in the moving counterweight assembly on the said vehicle frame, and said moving counterweight assembly is aforesaid moving counterweight assembly.
Moving counterweight assembly provided by the present invention is used for wheel crane; This moving counterweight assembly comprises counterweight body, detent mechanism and guiding mechanism; Wherein, the counterweight body is installed on through detent mechanism on the vehicle frame of wheel crane, and guiding mechanism further comprises first guiding parts and second guiding parts that is complementary with first guiding parts; First guiding parts is installed on said vehicle frame second guiding parts and is positioned at the counterweight body; First guiding parts and second guiding parts can slide relative, and two guiding partss connect detachablely, and the direction of slip of two guiding partss is identical with the installation direction of counterweight body.
When counterweight was installed, the operator at first utilized self lifting performance of hoisting crane to sling the counterweight body, because first guiding parts is overhanging with respect to vehicle frame; And second guiding parts is arranged at the outside face of counterweight body, and guiding mechanism can be estimated at work, therefore; The operator can be reference with the guiding mechanism, and the relative position of adjustment counterweight body makes it slowly near guiding mechanism; And second guiding parts on the counterweight body is matched with the spigot surface of first guiding parts; Through of the slip of second guiding parts, realize that the counterweight body slides along installation direction, after the counterweight body is placed fully along first guiding parts; Circular knock hole on the counterweight body and the locating piece on the vehicle frame just coincide, to accomplish the installing and locating of counterweight.Like this; When counterweight is installed; Through the reference and the directional tagging of guiding mechanism, make the operator can find the drop point site of counterweight body fast, and can make the counterweight body along with the slip of first guiding parts and second guiding parts arrives assigned address exactly; Thereby significantly shortened the operating time when counterweight is installed, improved work efficiency; Simultaneously, the operator can find the drop point site of counterweight body exactly in the process of placing the counterweight body, has saved ground staff's manual cooperation link, thereby has effectively avoided installing counterweight to the potential danger that the staff brings, and has guaranteed labor safety.
A kind of preferred embodiment in, moving counterweight assembly provided by the present invention, on the installation direction of said counterweight body, said spigot surface is gradually near said detent mechanism; Because spigot surface has certain degree of dip, the counterweight body is in the process that falls along spigot surface, and resistance can be littler, thereby be convenient to the installation of counterweight body.
In another preferred embodiment, be provided with the lateral adjustments parts between said guide plate provided by the present invention and the said support, the adjustable positions of said guide plate on said vehicle frame length direction; Like this, can finely tune the position of guide plate as required in vehicle frame length, to remedy the counterweight locating piece because the former thereby error brought of welding, thereby make counterweight be slipped to the relevant position more accurately, improved guiding accuracy.
Description of drawings
Structural scheme of mechanism when Fig. 1 is installed on the vehicle frame for a kind of representative type moving counterweight assembly;
Fig. 2 is the structural representation of detent mechanism in the moving counterweight assembly shown in Figure 1;
Fig. 3 is a counterweight main body structure scheme drawing in the moving counterweight assembly shown in Figure 1;
Fig. 4 is the structural representation of a kind of specific embodiment of moving counterweight assembly provided by the present invention;
Fig. 5 is the structural representation of guiding mechanism and detent mechanism in the moving counterweight assembly shown in Figure 4;
Fig. 6 is the exploded drawings of guiding mechanism in the moving counterweight assembly shown in Figure 4.
The specific embodiment
Core of the present invention provides a kind of moving counterweight assembly that is used for wheel crane, and its installation is comparatively convenient, thereby has reduced the set-up time, has improved work efficiency; Simultaneously, it need not the artificial assistance location in installation process, and operational security is higher.Another core of the present invention provides a kind of wheel crane that comprises above-mentioned moving counterweight assembly.
In order to make those skilled in the art person understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 4, Fig. 5 and Fig. 6, Fig. 4 is the structural representation of a kind of specific embodiment of moving counterweight assembly provided by the present invention; Fig. 5 is the structural representation of guiding mechanism and detent mechanism in the moving counterweight assembly shown in Figure 4; Fig. 6 is the exploded drawings of guiding mechanism in the moving counterweight assembly shown in Figure 4.
Moving counterweight assembly provided by the present invention is used for wheel crane, and this moving counterweight assembly comprises counterweight body 26, detent mechanism and guiding mechanism 22, wherein; Counterweight body 26 is installed on the vehicle frame 21 of wheel crane through detent mechanism, and guiding mechanism 22 further comprises first guiding parts and second guiding parts, and first guiding parts is installed on vehicle frame 21; And stretch out with respect to vehicle frame, second guiding parts is positioned at the relevant position of said counterweight body 26, and is positioned on the surface of counterweight body; The position that promptly can estimate, first guiding parts and second guiding parts can slide relative, and two guiding partss connect detachablely; Particularly, when counterweight body 26 when vehicle frame 21 is pulled down, first guiding parts and second guiding parts are separated; And when counterweight body 26 is in the installation process; First guiding parts and the second guiding parts sliding block joint, after the installation, first guiding parts is connected with second guiding parts and is fixing; In installation process, the direction of slip of two guiding partss is identical with the installation direction of counterweight body 26.
Detent mechanism provided by the present invention is identical with existing detent mechanism, and particularly, the number of detent mechanism can have four, is distributed in the left and right sides of vehicle frame 21, and every side is provided with two.Each detent mechanism is made up of square nutplate and semi-round locating piece 231 respectively, and the nutplate that offers tapped bore is welded on the last plane of vehicle frame 21, and locating piece is installed on the nutplate through screw; The bottom of counterweight body 26 has four circular knock holees 232, each knock hole to offer the position corresponding with each detent mechanism respectively, when locating piece snapped in knock hole, counterweight body 26 was promptly realized the location.
The volume and weight of above-mentioned counterweight body 26 should confirm that the concrete specification of counterweight body 26 is not done qualification according to the tonnage of hoisting crane and the weight of lifting workpiece etc.Likewise, the installation site of counterweight body 26 is generally turn table the place ahead of vehicle frame 21, but also is not limited to this position, as long as can play the effect of the balancing torque of counterweight.
It is pointed out that ordinal numbers such as " first, second " described in the literary composition is in order to distinguish the different component of same names or structure, to be merely narration conveniently, do not represent certain order, also should not be construed as certain qualification.
Orientation such as the left, right, front and rear in the literary composition are that the travel direction with hoisting crane serves as with reference to confirming.Particularly, in the face of the headstock direction (direction of promptly going) of hoisting crane, left-hand side is a left, and right-hand side is right-hand, and the direction identical with travel direction is the place ahead, and the direction opposite with travel direction is the rear.
When counterweight was installed, the operator at first utilized self lifting performance of hoisting crane to sling counterweight body 26, because first guiding parts is overhanging with respect to vehicle frame; And second guiding parts is arranged at the outside face of counterweight body, and guiding mechanism can be estimated at work, therefore; The operator can be reference with guiding mechanism 22; The relative position of adjustment counterweight body 26 makes it slowly near guiding mechanism 22, and second guiding parts on the counterweight body 26 is matched with the spigot surface 2221 of first guiding parts; Through of the slip of second guiding parts along first guiding parts; Realize that counterweight body 26 slides along installation direction, after counterweight body 26 is placed fully, through the set positions of detent mechanism and guiding mechanism; Make circular knock hole and the locating piece on the vehicle frame 21 on the counterweight body 26 just coincide, to accomplish the installing and locating of counterweight.Like this; When counterweight is installed; Through the reference and the directional tagging of guiding mechanism 22, make the operator can find the drop point site of counterweight body 26 fast, and can make counterweight body 26 along with the slip of first guiding parts and second guiding parts arrives assigned address exactly; Thereby significantly shortened the operating time when counterweight is installed, improved work efficiency; Simultaneously; The operator can find the drop point site of counterweight body 26 exactly in the process of placing counterweight body 26, saved ground staff's manual cooperation link; Thereby effectively avoided installing counterweight to the potential danger that the staff brings, guaranteed labor safety.
In a kind of specific embodiment; Above-mentioned first guiding parts is a guide plate 222; One end of guide plate 222 is installed on the vehicle frame 21; The other end is protruding with respect to vehicle frame 21, and second guiding parts is the chute 223 that is opened in counterweight body 26, and said guide plate 222 is slidingly mounted on chute 223 with its spigot surface 2221; Realize directional tagging through the slip of guide plate 222 in chute 223, guiding is reliable, and structure is comparatively simple, thereby has practiced thrift productive costs.
Apparently; Guide plate 222 also is not limited on short transverse and is provided with, and theoretically, counterweight body 26 also can be installed along the length direction of vehicle frame 21; Only need to guarantee consistent the getting final product of installation direction of counterweight body 26; For example, guide plate 222 can be installed on the vehicle frame 21 through its front end, and stretch out with respect to vehicle frame 21 its rear end.
Along on the installation direction of said counterweight body, said spigot surface is gradually near said detent mechanism; Because spigot surface 2221 has certain degree of dip, counterweight body 26 is in the process that falls along spigot surface 2221, and resistance can be littler, thereby be convenient to the installation of counterweight body 26.Apparently, spigot surface 2221 also is not limited to and is obliquely installed, and it also can vertically be provided with on perpendicular.Guiding mechanism 22 provided by the present invention can also comprise support 221, and guide plate 222 is installed on vehicle frame 21 through this support 221, so that simplify the installation process of guide plate 222, improves its installation reliability.
The mounting means of support 221 and vehicle frame 21 can have multiple, and for example, support 221 can be welded on the vehicle frame 21, also can be installed on vehicle frame 21 through bolted mode.The mounting means of support 221 and guide plate 222 also can be for multiple, and guide plate 222 can be installed on the support 221 through bolted mode or other fixed installation modes equally.
Be provided with the lateral adjustments parts between said guide plate 222 provided by the present invention and the said support 221, the adjustable positions of said guide plate 222 on said vehicle frame 21 length directions; Like this, can finely tune the front and back position of guide plate 222 as required, to remedy the counterweight locating piece because the former thereby error brought of welding, thereby make counterweight be slipped to the relevant position more accurately, improved guiding accuracy.
Particularly, above-mentioned lateral adjustments parts comprise the bar hole 2222 that is opened in guide plate 222 and pass bar hole 2222 and be fixed in the screw 24 of support 221 that bar hole 2222 extends along the length direction of said car body; When needs are regulated the front and back position of guide plate 222, only need to change the fixed position of screw 24 in bar hole 2222 and get final product, to regulate simple and conveniently, structure is comparatively simple.
Above-mentioned screw 24 also has the effect that connects guide plate 222 and support 221 simultaneously; Also be provided with pad 25 between the nut of screw 24 and the support 221; Guide plate 222 is installed on the support 221 removably; When guide plate 222 distortion occurs and damages, back out fix screw 24 and more renew guide plate 222 and get final product, be convenient to the maintenance and the maintenance of device.
Apparently, also can regulate the front and back position of guide plate 222, for example guide rail is set, through regulating the front and back position of the position adjustments guide plate 222 of guide plate 222 on guide rail in guide plate 222 installation places of support 221 through other modes.
Apparently, guiding mechanism 22 is not limited to two, also can be provided with more a plurality ofly, and four guiding mechanisms 22 for example can be set, and a component is located at the left and right sides of vehicle frame 21 in twos.
Two guiding mechanisms 22 can be symmetrical set with respect to the longitudinal plane of symmetry of said vehicle frame 21, squint further to avoid counterweight body 26.Two guiding mechanisms 22 also can be asymmetric, but on the length direction of vehicle frame 21, stagger mutually.
Except above-mentioned moving counterweight assembly, the present invention also provides a kind of wheel crane that comprises above-mentioned moving counterweight assembly, and other each several parts of this wheel crane please refer to prior art, repeat no more at this.
More than a kind of wheel crane provided by the present invention and moving counterweight assembly thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. the moving counterweight assembly of a wheel crane comprises counterweight body (26) and detent mechanism, and said counterweight body (26) is installed on the vehicle frame (21) of said wheel crane through said detent mechanism; It is characterized in that; Also comprise guiding mechanism (22); Said guiding mechanism (22) further comprises first guiding parts and slides and detachable ground bonded assembly second guiding parts with said first guiding parts; Said first guiding parts is installed on said vehicle frame (21) and overhanging with respect to said vehicle frame (21), and said second guiding parts is arranged at the outside face of said counterweight body (26), and the direction of slip of two said guiding partss is identical with the installation direction of said counterweight body (26).
2. moving counterweight assembly according to claim 1; It is characterized in that; Said first guiding parts is for being installed on the guide plate (222) on the said vehicle frame (21); Said second guiding parts is for being opened in the chute (223) of said counterweight body (26), and said guide plate (222) is slidingly mounted on said chute (223).
3. moving counterweight assembly according to claim 2 is characterized in that, said guide plate (222) is provided with on the short transverse of said wheel crane, and its side near said detent mechanism forms spigot surface (2221).
4. moving counterweight assembly according to claim 3 is characterized in that, along on the installation direction of said counterweight body (26), said spigot surface (2221) is gradually near said detent mechanism.
5. moving counterweight assembly according to claim 2 is characterized in that, said guiding mechanism (22) also comprises support (221), and said guide plate (222) is installed on said vehicle frame (21) through said support (221).
6. moving counterweight assembly according to claim 5 is characterized in that, is provided with the lateral adjustments parts between said guide plate (222) and the said support (221), the adjustable positions of said guide plate (222) on said vehicle frame (21) length direction.
7. moving counterweight assembly according to claim 6; It is characterized in that; Said lateral adjustments parts comprise the bar hole (2222) that is opened in said guide plate (222) and pass said bar hole (2222) and be fixed in the screw (24) of said support (221) that said bar hole (2222) extends along the length direction of said car body.
8. according to each described moving counterweight assembly of claim 1 to 7, it is characterized in that said guiding mechanism (22) has two, two said guiding mechanisms (22) lay respectively at the both sides of said vehicle frame (21).
9. moving counterweight assembly according to claim 8 is characterized in that, two said guiding mechanisms (22) are symmetrical set with respect to the longitudinal plane of symmetry of said vehicle frame (21).
10. a wheel crane comprises vehicle frame (21) and is removably installed in the moving counterweight assembly on the said vehicle frame (21), it is characterized in that, said moving counterweight assembly is like each described moving counterweight assembly of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100555345A CN102556862A (en) | 2012-03-05 | 2012-03-05 | Wheeled crane and moveable counterweight component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100555345A CN102556862A (en) | 2012-03-05 | 2012-03-05 | Wheeled crane and moveable counterweight component thereof |
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| CN102556862A true CN102556862A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100555345A Pending CN102556862A (en) | 2012-03-05 | 2012-03-05 | Wheeled crane and moveable counterweight component thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444863A (en) * | 2014-12-11 | 2015-03-25 | 徐州重型机械有限公司 | Combined counterweight mounting structure and mobile crane |
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| DE202010011720U1 (en) * | 2010-08-24 | 2010-10-21 | Manitowoc Crane Group France Sas | Adjustable footrest |
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| JP2000143165A (en) * | 1998-11-13 | 2000-05-23 | Hitachi Constr Mach Co Ltd | Counter weight mounting structure and counter weight mounding and demounting method for construction machine |
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| CN104444863A (en) * | 2014-12-11 | 2015-03-25 | 徐州重型机械有限公司 | Combined counterweight mounting structure and mobile crane |
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Application publication date: 20120711 |