CN208856822U - A kind of suspension arm support of the crane with ruggedized construction - Google Patents

Abstract

The utility model discloses a kind of suspension arm support of crane with ruggedized construction, including pedestal, body frame and secondary boom, the bottom of the pedestal is equipped with idler wheel, and the bosom of chassis is inlaid with turntable, the centre of the turntable is equipped with shaft, bull stick is provided with above the body frame, and body frame is located at the top of pedestal, the upper left side of the body frame is equipped with boom, pull rod is fixed on the left of the hydraulic stem, and pull rod is provided with hook far from one end of boom, it is fixed with below the hook and determines stake, the boom is equipped with suspension hook far from one end of body frame, the upper right side of the boom is equipped with secondary boom, and forearm is provided with above secondary boom, support rod is fixed on the left of the pair boom.The crane arm bracket, which is provided with, widens pedestal, can increase the stability of pedestal, bear the weight of boom, be provided with turntable, cooperates between turntable and shaft and constitutes rotational structure, boom can be allowed to carry out flat Xiang Xuanzhuan.

Description

A kind of suspension arm support of the crane with ruggedized construction

Technical field

The utility model relates to crane technical field, boom branch of specially a kind of overweight machine with ruggedized construction Frame.

Background technique

In recent years, crane component market is quickly grown, and the associated mechanical of crane is in the high speed development stage, With biggish market development potential, and as modernization construction process is getting faster, the requirement for crane is also increasingly Height, hoisting machinery enlargement and Specialization Tendency have become the irreversible fact, the fast development of overweight machinery industry Automated production is greatly facilitated in the application of the sector, but the automation application level of China's hoisting machinery industry is also not Where height, some manufacturers and user gradually recognize the advantage of mechanical practicability, currently, domestic crane market rapidly expands , from the point of view of existing scale, following growing space and current growth rate, the market of hoisting machinery industry is not allowed small It looks.

Stability is inadequate in crane arm bracket use process in the market, is easy to shake when lifting by crane object It is dynamic, cause object to be easy to fall in hoisting process, in addition, boom in the market is that single armed is operated, operating process limitation Property it is larger, for this purpose, it is proposed that a kind of stability is higher and the small crane arm bracket of limitation.

Utility model content

It is above-mentioned to solve the purpose of this utility model is to provide a kind of suspension arm support of crane with ruggedized construction It is inadequate to occur stability in the crane arm bracket use process proposed in background technique, is easy when being lifted by crane to object It shakes, object is caused to be easy to fall in hoisting process, in addition, boom in the market is that single armed is operated, operating process office Sex-limited big problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of crane is used with ruggedized construction Suspension arm support, including pedestal, body frame and secondary boom, the bottom of the pedestal is equipped with idler wheel, and the bosom of pedestal is inlayed There is turntable, the centre of the turntable is equipped with shaft, bull stick is provided with above the body frame, and body frame is located at the upper of pedestal It is square, it is fixed with fixed link on the left of the bull stick, and spring is provided with below fixed link, the upper left side of the body frame is equipped with Boom, and hydraulic stem is connected with below boom, pull rod, and the one end of pull rod far from boom are fixed on the left of the hydraulic stem It is provided with hook, is fixed with below the hook and determines stake, the boom is equipped with suspension hook, the boom far from one end of body frame Upper right side secondary boom is installed, and be provided with forearm above secondary boom, be fixed with support rod on the left of the pair boom, institute The upper right side for stating bull stick is connected with connecting plate, and telescopic rod is equipped with above connecting plate, and the upper surface of the turntable is provided with Lubrication groove, and sliding slot is provided on the outside of lubrication groove, the surface of the sliding slot is equipped with ball.

Preferably, the vertical centerline between the idler wheel about pedestal is symmetrical, and pedestal and idler wheel cooperate and constitute Slide construction.

Preferably, the inner structure size of the turntable matches with the external structure size of shaft, and shaft and turntable Between cooperate constitute rotational structure.

Preferably, the hydraulic stem and pull rod are mutually flat in 45 degree of inclinations, and between hydraulic stem and pull rod about boom Row.

Preferably, the secondary boom is rotatablely connected by bull stick and boom, and the rotational angle between secondary boom and boom Range is 0-90 degree.

Preferably, size cooperates between the ball and sliding slot, and ball is annular in shape about the symmetrical centre of sliding slot It is uniformly distributed.

Compared with prior art, the utility model has the beneficial effects that the crane arm bracket is provided with and widens pedestal, The stability that pedestal can be increased bears the weight of boom, is provided with turntable, cooperates between turntable and shaft and constitutes rotation Structure can allow boom to carry out flat Xiang Xuanzhuan, and the rotation angle of boom is 360 degree, helps to expand operational range, body frame To be fixedly connected between boom, boom is rotated by bull stick on body frame, is hung in addition, being equipped with pair in the upper right side of boom Arm, the two may be by bull stick and carry out 90 degree of rotations, can lift by crane object using the bearing capacity of different booms, reduce limitation Property, operating rate is improved, fixed link and spring are fixed on body frame, the two can cooperate hydraulic stem to help in boom dropping process It resets, avoids dynamics irregular, boom is caused to damage, pull rod is set, can be hooked in when idle by the hook of pull rod one end Determine in stake, avoid shaking and safety problem occur, lubrication groove is set inside turntable, periodic maintenance maintenance can be carried out to machinery, The design of its ball can reduce friction.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model Telescopic rod structure schematic diagram；

Fig. 3 is the utility model turntable structure schematic diagram.

In figure: 1, pedestal, 2, idler wheel, 3, shaft, 4, turntable, 5, body frame, 6, bull stick, 7, spring, 8, fixed link, 9, hydraulic Bar, 10, pull rod, 11, boom, 12, suspension hook, 13, determine stake, 14, hook, 15, secondary boom, 16, support rod, 17, forearm, 18, even Fishplate bar, 19, telescopic rod, 20, lubrication groove, 21, sliding slot, 22, ball.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of boom of the crane with ruggedized construction Bracket, including pedestal 1, body frame 5 and secondary boom 15, the bottom of pedestal 1 are equipped with idler wheel 2, erecting about pedestal 1 between idler wheel 2 Straight center line is symmetrical, can use idler wheel 2 and device is moved to the place for needing work, and pedestal 1 and 2 mutual cooperation structure of idler wheel It is inlaid with turntable 4 at the bosom of slide construction, and pedestal 1, the centre of turntable 4 is equipped with shaft 3, the internal junction of turntable 4 Structure size matches with the external structure size of shaft 3, and cooperates between shaft 3 and turntable 4 and constitute rotational structure, can Boom 11 is allowed to carry out flat Xiang Xuanzhuan, and the rotation angle of boom 11 is 360 degree, the top of body frame 5 is provided with bull stick 6, and main Frame 5 is located at the top of pedestal 1, and the left side of bull stick 6 is fixed with fixed link 8, and the lower section of fixed link 8 is provided with spring 7, body frame 5 Upper left side boom 11 is installed, and the lower section of boom 11 is connected with hydraulic stem 9, and the left side of hydraulic stem 9 is fixed with pull rod 10, Hydraulic stem 9 and pull rod 10 are parallel to each other between hydraulic stem 9 and pull rod 10 about boom 11 in 45 degree of inclinations, can assist The lifting of boom 11 and boom 11 help to reset when falling after rise, and pull rod 10 is provided with hook far from one end of boom 11 14, it links up with 14 lower section and is fixed with and determines stake 13, boom 11 is equipped with suspension hook 12, the upper right side peace of boom 11 far from one end of body frame Equipped with secondary boom 15, secondary boom 15 is rotatablely connected by bull stick 6 and boom 11, and the rotation between secondary boom 15 and boom 11 Angular range is 0-90 degree, and secondary boom 15 and boom 11 can use bull stick 6 and carry out 90 degree of rotations, can utilize different booms Bearing capacity carries out lifting object, and the top of secondary boom 15 is provided with forearm 17, and the left side of secondary boom 15 is fixed with support rod 16, The upper right side of bull stick 6 is connected with connecting plate 18, and telescopic rod 19 is equipped with above connecting plate, and the upper surface of turntable 4 is provided with Lubrication groove 20, and the outside of lubrication groove 20 is provided with sliding slot 21, the surface of sliding slot 21 is equipped with ball 22, ball 22 and sliding slot Size cooperates between 21, and ball 22 is annularly uniformly distributed about the symmetrical centre of sliding slot 21, and lubrication groove 21 is arranged, has Periodic maintenance maintenance is carried out conducive to machinery, the design of ball 22 can reduce friction.

Working principle: for this kind of crane arm bracket, device is moved to first with idler wheel 2 and needs work Place, the mutual cooperation of turntable 4 and shaft 3 can allow boom 11 to carry out flat Xiang Xuanzhuan, and the rotation angle of boom 11 is 360 degree, be rotation connection between body frame 5 and boom 11 to be conducive to expand opereating specification, body frame 5 is that boom 11 provides branch Support point, boom 11 can be rotated by bull stick 6, and the other end of boom 11 is equipped with suspension hook 12, and suspension hook 12 slings weight, Boom 11 can be lifted by crane, and be rotated using turntable 4, weight is put into designated place, the lower section setting of boom 11 is hydraulic Bar 9, the lifting and boom 11 for capableing of auxiliary boom 11 help boom 11 to reset when falling after rise, in addition, the setting of spring 7, it can To be worked using the resiliency characteristics of spring 7 cooperation hydraulic stem 9, secondary boom 15 is supported by support rod 16, secondary boom 15 and boom 11 can use bull stick 6 carry out 90 degree rotate, lifting object can be carried out using the bearing capacity of different booms, favorably In reducing limitation, operating rate is improved, setting connecting plate 18 facilitates fixed telescopic rod 19, and telescopic rod 19 can be to boom 11 It stretches, is conducive to adjustable range, enhance flexibility, lubrication groove 21 is set inside turntable 4, be conducive to carry out machinery regular Lubrication maintenance, the design of ball 22 can reduce friction, more flexible when rotated, finally, after 11 use of boom, Using the hook 14 of 10 one end of pull rod, boom 11 is recovered to and is determined in stake 13, completes entire crane arm bracket like this Use process.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of suspension arm support of crane with ruggedized construction, including pedestal (1), body frame (5) and secondary boom (15), special Sign is: the bottom of the pedestal (1) is equipped with idler wheel (2), and the bosom of pedestal (1) is inlaid with turntable (4), and described turn The centre of disk (4) is equipped with shaft (3), is provided with bull stick (6) above the body frame (5), and body frame (5) is located at pedestal (1) Top, be fixed with fixed link (8) on the left of the bull stick (6), and spring (7), the master are provided with below fixed link (8) The upper left side of frame (5) is equipped with boom (11), and hydraulic stem (9) are connected with below boom (11), a left side for the hydraulic stem (9) Side is fixed with pull rod (10), and pull rod (10) is provided with hook (14) far from the one end of boom (11), under the hook (14) Side, which is fixed with, to be determined stake (13), and the boom (11) is equipped with suspension hook (12) far from the one end of body frame (5), the right side of the boom (11) Top is equipped with secondary boom (15), and is provided with forearm (17) above secondary boom (15), and the left side of the pair boom (15) is solid Surely have support rod (16), the upper right side of the bull stick (6) is connected with connecting plate (18), and is equipped with and is stretched above connecting plate (18) The upper surface of contracting bar (19), the turntable (4) is provided with lubrication groove (20), and is provided with sliding slot on the outside of lubrication groove (20) (21), the surface of the sliding slot (21) is equipped with ball (22).

2. a kind of suspension arm support of the crane according to claim 1 with ruggedized construction, it is characterised in that: the rolling The vertical centerline taken turns between (2) about pedestal (1) is symmetrical, and pedestal (1) and idler wheel (2) cooperate and constitute slide construction.

3. a kind of suspension arm support of the crane according to claim 1 with ruggedized construction, it is characterised in that: described turn The inner structure size of disk (4) matches with the external structure size of shaft (3), and phase interworking between shaft (3) and turntable (4) It closes and constitutes rotational structure.

4. a kind of suspension arm support of the crane according to claim 1 with ruggedized construction, it is characterised in that: the liquid Compression bar (9) and pull rod (10) are parallel to each other between hydraulic stem (9) and pull rod (10) about boom (11) in 45 degree of inclinations.

5. a kind of suspension arm support of the crane according to claim 1 with ruggedized construction, it is characterised in that: the pair Boom (15) is rotatablely connected by bull stick (6) and boom (11), and the rotational angle model between secondary boom (15) and boom (11) It encloses for 0-90 degree.

6. a kind of suspension arm support of the crane according to claim 1 with ruggedized construction, it is characterised in that: the rolling Size cooperates between pearl (22) and sliding slot (21), and ball (22) annularly uniformly divides about the symmetrical centre of sliding slot (21) Cloth.