CN207957587U - A kind of novel automobile crane chassis mechanism - Google Patents

Abstract

The utility model discloses a kind of novel automobile crane chassis mechanisms, including chassis, the lower surface on the chassis offers limiting slot, the front and back of the limiting slot inner wall is connected with first bearing, and the same first rotating shaft is socketed in two first bearings, the lower surface of the first rotating shaft is fixedly connected by the first link block with the upper surface of shell.The novel automobile crane chassis mechanism, pass through the cooperation between first bearing, first rotating shaft, the first link block, shell, support column, connecting plate, elastic device, trapezoidal climbers, connector, second bearing, the second shaft, support plate, lower margin disk, the second link block, traction rope, fixed pulley, rope sling and the second driving device, so as to improve stability when crane work, and two elastic devices are located at the both sides of shell, it works in narrow space to be conducive to crane, so as to fully play out the transaction capabilities of crane.

Description

A kind of novel automobile crane chassis mechanism

Technical field

The utility model is related to technical field of engineering machinery, specially a kind of novel automobile crane chassis mechanism.

Background technology

Autocrane chassis is the critical component of autocrane, is the basis of truck crane part work. The structure type of chassis mainly has bearing-type and Non-carrying type at present.According to crane chassis arrangement, chassis and crane It is bearing-type that chassis, which is combined, and the crane chassis reequiped using second-class chassis is mostly Non-carrying type, domestic at present Autocrane bearing-type chassis is based on hoister in large tonnage, and minor crane uses Non-carrying type chassis.

By the Undercarriage structure of the crane generally used the country is investigated, analysis is found, most cranes Using H-type supporting leg, have supporting leg span big, supporting force is strong, the good feature of operation stability.Horizontal support legs oil cylinder, vertical leg Oil cylinder manipulates valve control by supporting leg, can simultaneously or separately manipulate each horizontal and vertical oil cylinder, and can be quickly and accurately by crane Chassis lifts and leveling.Current autocrane chassis has some limitations and pacifies since the design of structure is unreasonable Full hidden danger, due to using H-type supporting leg so that the job area of crane is subject to certain restrictions, and the structure of crane chassis is determined The front and rear ends that leg location is in chassis are determined, hoisting operation is preferable in side locations stability, and rear positions are not due to having There is support, hoisting operation is poor in rear positions stability, is limited by current national conditions, and autocrane often surpasses when working Phenomenon is carried, when hoisting operation is at rear portion, there is certain security risk, and the chassis of H-type supporting leg is occupied when supporting leg is stretched out Larger space is unfavorable for operation in narrow space, and crane job performance cannot give full play to.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of novel automobile crane chassis mechanism, solves Current autocrane chassis has some limitations and security risk and H-type supporting leg since the design of structure is unreasonable Chassis larger space is occupied when supporting leg is stretched out, be unfavorable for operation in narrow space, cause crane job performance abundant The problem of performance.

To achieve the above object, the utility model provides the following technical solutions：A kind of novel automobile crane chassis mechanism, Including chassis, the lower surface on the chassis offers limiting slot, and the front and back of the limiting slot inner wall is connected with first Bearing, and the same first rotating shaft is socketed in two first bearings, the lower surface of the first rotating shaft passes through the first link block It is fixedly connected with the upper surface of shell, the upper surface of the inner walls is fixedly connected with first driving means, and described first drives The output shaft of dynamic device is fixedly connected with threaded post, and the outer surface thread of the threaded post is connected with thread barrel, the thread barrel It is connected in the through-hole that support column upper surface opens up.

The left and right sides of the support column have been fixedly connected with sliding block, and two sliding blocks are slidably connected in shell respectively In the sliding slot that wall left and right sides open up, the lower surface of the support column is fixedly connected with connector, the shape of the connector Shape is T-shaped, and the side of the connector is connected with the second shaft, and there are two the second axis for the outer surface socket of second shaft It holds, and two second bearings are located at the both sides of connector, and two second bearings are respectively engaged with the phase of two support plates Opposite, and the lower surface of two support plates is fixedly connected in the upper surface of lower margin disk.

The left and right sides of the shell have been fixedly connected with connecting plate, and the lower surface of the connecting plate passes through elastic device It is fixedly connected with the upper surface of trapezoidal climbers, the right side of the shell is fixedly connected with the second link block, second connection Block is located at the top of connecting plate, and the upper surface of second link block is fixedly connected with one end of traction rope, the traction rope The other end bypasses the left side of fixed pulley and is fixedly connected on the left side of the second driving device, and the upper surface of the fixed pulley is solid Surely it is connected to the upper surface of limiting slot inner wall, the outer surface of the traction rope is socketed with rope sling, and the rope sling is connected to limiting slot The left side of the right side of inner wall, second driving device is fixedly connected on the right side on chassis.

Preferably, the first driving means include first motor, the output shaft of the first motor and the top of threaded post End is fixedly connected, and the upper surface of the first motor fuselage is fixedly connected by the first bottom plate with the upper surface of inner walls, institute State the model YEJ90L-4 1.5KW of first motor.

Preferably, second driving device includes the second motor, under the output shaft and take-up reel of second motor Surface is fixedly connected, and the left side of the take-up reel is fixedly connected with the other end of traction rope, a left side for second motor body Side is fixedly connected by the second bottom plate with the right side on chassis, the model YEJ90L-4 1.5KW of second motor.

Preferably, the elastic device includes telescopic rod, and the outer surface of the telescopic rod is socketed with spring, the telescopic rod It is fixedly connected with one end of spring with the lower surface of connecting plate, the upper table of the other end of the telescopic rod and spring and trapezoidal climbers Face is fixedly connected.

Preferably, the left side of the shell is provided with power supply, and the left side of the power supply is provided with switch.

Preferably, the output end of the power supply is electrically connected with the input terminal of switch, and the output end of the switch is respectively with The input terminal of one motor and the second motor is electrically connected.

The utility model advantageous effect：

（1）, the novel automobile crane chassis mechanism, pass through first bearing, first rotating shaft, the first link block, shell, branch Dagger, connecting plate, elastic device, trapezoidal climbers, connector, second bearing, the second shaft, support plate, lower margin disk, the second connection Cooperation between block, traction rope, fixed pulley, rope sling and the second driving device, crane work procapsid are incorporated in limiting slot It is interior, therefore the outer shape and size of crane are not interfered with, people can control the second motor reversal by switch, and shell exists It moves in a circle by the center of circle of first rotating shaft under the action of gravity, when shell is perpendicular to the ground, people are by switching control the Two motors are out of service and control first motor reversion, so as to so that lower margin disk moves down, when chassis be propped up it is certain Control first motor is out of service when height, and two elastic devices are deformed upon because of stress during chassis is propped up, from And stability when crane work can be improved, and two elastic devices are located at the both sides of shell, to be conducive to Heavy-duty machine works in narrow space, so as to fully play out the transaction capabilities of crane.

（2）, the novel automobile crane chassis mechanism, by being arranged sliding block and sliding slot, the shape of sliding block and sliding slot is T Font, so as to improve stability when support column moves up and down in shell, so as to prevent support column in shell It shakes, so as to so as to more stablize when crane works.

（3）, the novel automobile crane chassis mechanism, pass through and trapezoidal climbers and lower margin disk, trapezoidal climbers and lower margin be set Frictional force between disk and ground is larger, and so as to improve stability when crane work, and the utility model structure is tight It gathers, reasonable design is highly practical.

Description of the drawings

Fig. 1 is the cross-sectional view that the utility model is faced；

Fig. 2 is the structural schematic diagram of the utility model left view；

Fig. 3 is the structural schematic diagram that the utility model is faced；

Fig. 4 is the cross-sectional view that the utility model sliding slot is overlooked.

In figure：1. chassis, 2. limiting slots, 3. first bearings, 4. first rotating shafts, 5. first link blocks, 6. first driving dresses Set, 61. first bottom plates, 62. first motors, 7. threaded posts, 8. thread barrels, 9. sliding slots, 10. sliding blocks, 11. support columns, 12. connection Part, 13. second bearings, 14. second shafts, 15. support plates, 16. lower margin disks, 17. trapezoidal climbers, 18. connecting plates, 19. shells, 20. elastic device, 201. telescopic rods, 202. springs, 21. second link blocks, 22. fixed pulleys, 23. rope slings, 24. second driving dresses Set, 241. take-up reels, 242. second bottom plates, 243. second motors, 25. switches, 26. power supplys, 27. traction ropes, 28. through-holes.

Specific implementation mode

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality It is further elaborated with novel.It should be appreciated that specific embodiment described herein is only to explain the utility model, It is not used to limit the utility model.

As shown in Figs 1-4：A kind of novel automobile crane chassis mechanism described in the utility model, including chassis 1, chassis 1 lower surface offers limiting slot 2, and by the way that limiting slot 2 is arranged, crane work, which terminates back casing 19, can be received to limit In slot 2, to not interfere with the outer shape and size of crane, the front and back of 2 inner wall of limiting slot is connected with first Bearing 3, and it is socketed with the same first rotating shaft 4 in two first bearings 3, it, can by the way that first rotating shaft 4 and first bearing 3 is arranged So that shell 19 is more steady when rotating, consequently facilitating shell 19 is received into limiting slot 2 by people, under first rotating shaft 4 Surface is fixedly connected by the first link block 5 with the upper surface of shell 19, and the upper surface of 19 inner wall of shell is fixedly connected with first Driving device 6, first driving means 6 include first motor 62, and the output shaft of first motor 62 is fixed with the top of threaded post 7 to be connected It connects, the upper surface of 62 fuselage of first motor is fixedly connected by the first bottom plate 61 with the upper surface of 19 inner wall of shell, first motor 62 model YEJ90L-4 1.5KW, by the way that first driving means 6 are arranged, people can control first motor by switch 25 62 reversions, the reversion in thread barrel 8 of threaded post 7 under the drive of first motor 62, so as to drive ground by support column 11 Foot disk 16 moves down, and when chassis 1 is propped up certain altitude, control first motor 62 is out of service, the first driving dress The output shaft for setting 6 is fixedly connected with threaded post 7, and the outer surface thread of threaded post 7 is connected with thread barrel 8, and thread barrel 8 is connected to branch In the through-hole 28 that 11 upper surface of dagger opens up.

The left and right sides of support column 11 have been fixedly connected with sliding block 10, and two sliding blocks 10 are slidably connected at shell respectively In the sliding slot 9 that 19 inner wall left and right sides open up, the left side of shell 19 is provided with power supply 26, by the way that power supply 26, electricity is arranged Source 26 can provide electric energy for the operation of first motor 62 and the second motor 243, and the left side of power supply 26 is provided with switch 25, electricity The output end in source 26 is electrically connected with the input terminal of switch 25, the output end of switch 25 respectively with first motor 62 and the second motor 243 input terminal electrical connection, by the way that switch 25 is arranged, people can control first motor 62 and the second motor by switch 25 The lower surface of 243 operating status, support column 11 is fixedly connected with connector 12, and the shape of connector 12 is T-shaped, connector 12 side is connected with the second shaft 14, second bearing 13 that there are two the outer surface sockets of the second shaft 14, and two the second axis 13 both sides for being located at connector 12 are held, it can be with second by the way that second bearing 13 and the second shaft 14, lower margin disk 16 is arranged Shaft 14 rotates for the center of circle, consequently facilitating the contact area between lower margin disk 16 and ground is adjusted, and two second bearings 13 are divided It is not connected to the opposite face of two support plates 15, and the lower surface of two support plates 15 is fixedly connected with the upper table in lower margin disk 16 Face.

The left and right sides of shell 19 have been fixedly connected with connecting plate 18, and the lower surface of connecting plate 18 passes through elastic device 20 It is fixedly connected with the upper surface of trapezoidal climbers 17, elastic device 20 includes telescopic rod 201, and the outer surface of telescopic rod 201 is socketed with One end of spring 202, telescopic rod 201 and spring 202 is fixedly connected with the lower surface of connecting plate 18, telescopic rod 201 and spring 202 The other end be fixedly connected with the upper surface of trapezoidal climbers 17, by be arranged elastic device 20, chassis 1 be propped up during two A elastic device 20 is deformed upon because of stress, so as to improve stability when crane work, and two elastic devices 20 are located at the both sides of shell 19, work in narrow space to be conducive to crane, so as to fully play Go out the transaction capabilities of crane, the right side of shell 19 is fixedly connected with the second link block 21, and the second link block 21 is located at connection The upper surface of the top of plate 18, the second link block 21 is fixedly connected with one end of traction rope 27, and the other end of traction rope 27 bypasses The left side of fixed pulley 22 and the left side for being fixedly connected on the second driving device 24, the upper surface of fixed pulley 22 are fixedly connected on The outer surface of the upper surface of 2 inner wall of limiting slot, traction rope 27 is socketed with rope sling 23, and by the way that rope sling 23 is arranged, rope sling 23 plays guarantor The effect of traction rope 27 is protected, so as to extend the service life of traction rope 27 to a certain extent, rope sling 23 is connected to limit The left side of the right side of 2 inner wall of slot, the second driving device 24 is fixedly connected on the right side on chassis 1, the second driving device 24 Including the second motor 243, the output shaft of the second motor 243 is fixedly connected with the lower surface of take-up reel 241, a left side for take-up reel 241 Side is fixedly connected with the other end of traction rope 27, and the left side of 243 fuselage of the second motor passes through the second bottom plate 242 and chassis 1 Right side be fixedly connected, the model YEJ90L-4 1.5KW of the second motor 243, pass through be arranged the second driving device 24, people Can by switch 25 control the second motor 243 rotate forward, shell 19 is the center of circle with first rotating shaft 4 under the pulling of traction rope 27 It moves in a circle, so as to which lower margin disk 16 to be placed in limiting slot 2, therefore does not interfere with the outer shape and ruler of crane It is very little.

In use, people can control the reversion of the second motor 243 by switch 25, received under the action of the second motor 243 Drum 241 inverts, so as to slowly remove the tractive force that traction rope 27 acts on shell 19, work of the shell 19 in gravity It is moved in a circle for the center of circle with first rotating shaft 4 under, when shell 19 is perpendicular to the ground, people can control the by switch 25 Two motors 243 are out of service and control the reversion of first motor 62, and threaded post 7 is in thread barrel 8 under the drive of first motor 62 Reversion, so as to drive lower margin disk 16 to move down by support column 11, band movable slider while support column 11 moves down 10 slidings in sliding slot 9, so as to improve stability when support column 11 moves, when chassis 1 is propped up certain altitude Control first motor 62 is out of service, and two elastic devices 20 are deformed upon because of stress during chassis 1 is propped up, to Stability when crane work can be improved, lower margin disk 16 is rotated with the second shaft 14 for the center of circle when being contacted with ground, to The contact area between lower margin disk 16 and ground can be adjusted.

It can to sum up obtain,（1）, the novel automobile crane chassis mechanism, pass through first bearing 3, first rotating shaft 4, first connect Connect block 5, shell 19, support column 11, connecting plate 18, elastic device 20, trapezoidal climbers 17, connector 12, second bearing 13, second Shaft 14, support plate 15, lower margin disk 16, the second link block 21, traction rope 27, fixed pulley 22, rope sling 23 and the second driving device Cooperation between 24, crane work procapsid 19 is incorporated in limiting slot 2, therefore does not interfere with the outer shape of crane And size, people can control the reversion of the second motor 243 by switch 25, shell 19 is under gravity with first rotating shaft 4 It moves in a circle for the center of circle, when shell 19 is perpendicular to the ground, people are out of service simultaneously by second motor of the control of switch 25 243 It controls first motor 62 to invert, so as to so that lower margin disk 16 moves down, control the when chassis 1 is propped up certain altitude One motor 62 is out of service, and two elastic devices 20 are deformed upon because of stress during chassis 1 is propped up, so as to carry Stability when high crane work, and two elastic devices 20 are located at the both sides of shell 19, to be conducive to crane It works in narrow space, so as to fully play out the transaction capabilities of crane.

（2）, the novel automobile crane chassis mechanism, pass through and sliding block 10 and sliding slot 9, the shape of sliding block 10 and sliding slot 9 be set Shape is T-shaped, so as to improve stability when support column 11 moves up and down in shell 19, so as to prevent from supporting Column 11 shakes in shell 19, so as to so as to more stablize when crane works.

（3）, the novel automobile crane chassis mechanism, pass through and trapezoidal climbers 17 and lower margin disk 16, trapezoidal climbers 17 be set Frictional force between lower margin disk 16 and ground is larger, and so as to improve stability when crane work, and this practicality is new Type which has a compact structure and a reasonable design, it is highly practical.

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

Claims (6)

1. a kind of novel automobile crane chassis mechanism, including chassis, it is characterised in that：The lower surface on the chassis opens up limited Position slot, the front and back of the limiting slot inner wall is connected with first bearing, and is socketed in two first bearings same The lower surface of first rotating shaft, the first rotating shaft is fixedly connected by the first link block with the upper surface of shell, in the shell The upper surface of wall is fixedly connected with first driving means, and the output shaft of the first driving means is fixedly connected with threaded post, institute The outer surface thread for stating threaded post is connected with thread barrel, and the thread barrel is connected in the through-hole that support column upper surface opens up；

The left and right sides of the support column have been fixedly connected with sliding block, and two sliding blocks are slidably connected at an inner walls left side respectively In the sliding slot that right two sides open up, the lower surface of the support column is fixedly connected with connector, and the shape of the connector is T The side of font, the connector is connected with the second shaft, and there are two second bearings for the outer surface socket of second shaft, and Two second bearings are located at the both sides of connector, and two second bearings are respectively engaged with the opposite face of two support plates, And the lower surface of two support plates is fixedly connected in the upper surface of lower margin disk；

The left and right sides of the shell have been fixedly connected with connecting plate, and the lower surface of the connecting plate passes through elastic device and ladder The upper surface of shape climbers is fixedly connected, and the right side of the shell is fixedly connected with the second link block, second link block position Be fixedly connected with one end of traction rope in the upper surface of the top of connecting plate, second link block, the traction rope it is another End bypasses the left side of fixed pulley and is fixedly connected on the left side of the second driving device, and the upper surface of the fixed pulley, which is fixed, to be connected It is connected on the upper surface of limiting slot inner wall, the outer surface of the traction rope is socketed with rope sling, and the rope sling is connected to limiting slot inner wall Right side, the left side of second driving device is fixedly connected on the right side on chassis.

2. a kind of novel automobile crane chassis mechanism according to claim 1, it is characterised in that：First driving Device includes first motor, and the output shaft of the first motor is fixedly connected with the top of threaded post, the first motor fuselage Upper surface be fixedly connected with the upper surface of inner walls by the first bottom plate, the model YEJ90L-4 of the first motor 1.5KW。

3. a kind of novel automobile crane chassis mechanism according to claim 1, it is characterised in that：Second driving Device includes the second motor, and the output shaft of second motor is fixedly connected with the lower surface of take-up reel, a left side for the take-up reel Side is fixedly connected with the other end of traction rope, the right side that the left side of second motor body passes through the second bottom plate and chassis Face is fixedly connected, the model YEJ90L-4 1.5KW of second motor.

4. a kind of novel automobile crane chassis mechanism according to claim 1, it is characterised in that：The elastic device packet Telescopic rod is included, the outer surface of the telescopic rod is socketed with spring, the lower surface of one end and connecting plate of the telescopic rod and spring It is fixedly connected, the other end of the telescopic rod and spring is fixedly connected with the upper surface of trapezoidal climbers.

5. a kind of novel automobile crane chassis mechanism according to claim 1, it is characterised in that：The left side of the shell Face is provided with power supply, and the left side of the power supply is provided with switch.

6. a kind of novel automobile crane chassis mechanism according to claim 5, it is characterised in that：The output of the power supply End is electrically connected with the input terminal switched, and the input terminal of the output end of the switch respectively with first motor and the second motor is electrically connected It connects.