CN212982361U - Semitrailer axle mounting lifting device - Google Patents

Semitrailer axle mounting lifting device Download PDF

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Publication number
CN212982361U
CN212982361U CN202020892057.8U CN202020892057U CN212982361U CN 212982361 U CN212982361 U CN 212982361U CN 202020892057 U CN202020892057 U CN 202020892057U CN 212982361 U CN212982361 U CN 212982361U
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CN
China
Prior art keywords
scissor fork
supporting
overturning
shaft
base
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Active
Application number
CN202020892057.8U
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Chinese (zh)
Inventor
申永辉
梁金强
洪光
李帅营
陈鹏
丁欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhumadian CIMC Huajun Vehicle Co Ltd
Original Assignee
Zhumadian CIMC Huajun Vehicle Co Ltd
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Application filed by Zhumadian CIMC Huajun Vehicle Co Ltd filed Critical Zhumadian CIMC Huajun Vehicle Co Ltd
Priority to CN202020892057.8U priority Critical patent/CN212982361U/en
Application granted granted Critical
Publication of CN212982361U publication Critical patent/CN212982361U/en
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Abstract

The utility model provides a semitrailer axle mounting lifting device, which comprises a scissor fork type hydraulic lifting mechanism and a rear end supporting horse leg, wherein two tracks are laid on the top surface of the scissor fork type hydraulic lifting mechanism, and the bottom of the rear end supporting horse leg is provided with a roller; the scissor fork type hydraulic lifting mechanism comprises a base, a top plate and a scissor fork support arm hinged between the base and the top plate, wherein a lifting hydraulic oil cylinder is hinged on the scissor fork support arm; the track is arranged on the top plate; a stay wire encoder and a turnover supporting device are arranged between the base and the top plate; the overturning supporting device comprises an articulated fixing plate fixed on one side of the base, an overturning shaft is articulated on the articulated fixing plate, a pair of supporting columns is arranged at two ends of the overturning shaft, and an overturning oil cylinder is articulated in the middle of the overturning shaft. The device structural strength is high, has reduced manual work intensity and has improved the operation safety.

Description

Semitrailer axle mounting lifting device
Technical Field
The utility model relates to a semitrailer assists mounting tool, specific theory has related to a semitrailer axle installation elevating gear.
Background
At the semitrailer production trade, the frame is lifted by crane in the current generally adopted driving of axle installation, and personnel install the axle bottom the frame, and staff's substep pushes away the axle to the frame below, and the lift frame is connected axle and workshop this moment, and this kind of operation mode manual labor intensity is big, because personnel are in the axle below all the time, and the safety risk is high, is unfavorable for staff's safety, health.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a semitrailer axle installation elevating gear to prior art's is not enough.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a semitrailer axle mounting lifting device comprises a scissor type hydraulic lifting mechanism and rear end supporting horse legs, wherein two rails are laid on the top surface of the scissor type hydraulic lifting mechanism, and rollers matched with the rails for use are arranged at the bottoms of the rear end supporting horse legs; the rear end supporting horse leg is arranged on the top surface of the scissor fork type hydraulic lifting mechanism;
the scissor fork type hydraulic lifting mechanism comprises a base, a top plate and a scissor fork support arm hinged between the base and the top plate, wherein a lifting hydraulic oil cylinder is hinged on the scissor fork support arm; the track is arranged on the top plate;
a stay wire encoder and a turnover supporting device are arranged between the base and the top plate;
the overturning supporting device comprises an articulated fixing plate fixed on one side of the base, an overturning shaft is articulated on the articulated fixing plate, a pair of supporting columns is arranged at two ends of the overturning shaft, and an overturning oil cylinder is articulated in the middle of the overturning shaft.
Based on the above, the semitrailer axle mounting and lifting device comprises two sets of lifting hydraulic oil cylinders which are symmetrically arranged.
Based on the above, the stay wire encoder and the overturning supporting device are respectively arranged at two ends of the base.
Based on the above, the two rails are arranged parallel to each other.
Based on the above, the height of the supporting column is greater than the height of the scissor fork supporting arm when the scissor fork supporting arm is retracted.
Based on the above, the turnover shaft comprises a curved shaft and a straight shaft connected to the outer sides of two ends of the curved shaft, and the outer end of the straight shaft is fixed on the support column; a turning driving rod is hinged to the center of the curved shaft, and one end of the turning driving rod is hinged to the turning oil cylinder; and two ends of the curved shaft are hinged with the hinged fixing plate. Wherein, two rails arranged on the top surface of the scissor fork type hydraulic lifting mechanism can be butted with a rail paved on the ground of an assembly workshop, so that the rear end of the supporting horse leg can pass through.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a semitrailer axle installation elevating gear adopts scissors fork hydraulic lifting mechanism to replace the driving to go up and down, combines lifting mechanism and ground track simultaneously, can satisfy the frame around the axle installation and pass through in the elevating gear top, and personnel only need stand in the operation of frame both sides when elevating gear lifts the frame, and this elevating gear is from taking hydraulic pressure auto-lock structure simultaneously, satisfies personnel's operation safety.
Furthermore, the scissor type fork hydraulic lifting mechanism can meet the heavy-load requirement. Because the condition that the axle and the frame are higher than or lower than the ground rail needs to occur in the installation process, the scissor fork type hydraulic lifting mechanism can meet three use working conditions that the scissor fork type hydraulic lifting mechanism is higher than the ground rail, is flush with the ground rail and is lower than the ground rail.
Furthermore, simultaneously, because the frame needs ground track and ground parallel and level when passing through, the frame can have great impact load to scissors fork hydraulic lifting mechanism when passing through, through increasing one set of mechanical upset supporting mechanism, guarantees this scissors fork hydraulic lifting mechanism structural strength.
Furthermore, in order to ensure the lifting height detection, a set of stay wire encoder is additionally arranged to display the lifting height in real time and ensure that the lifting height is matched with the overturning supporting height. Therefore, this semitrailer axle installation elevating gear structural strength is high, matches the ground track simultaneously, reduces manual work intensity and improves the operation safety.
Drawings
Fig. 1 is the utility model provides a semitrailer axle installation elevating gear operating condition sketch.
Fig. 2 is the utility model provides a semitrailer axle installation elevating gear schematic diagram.
Fig. 3 is the utility model provides a semitrailer axle installation elevating gear top structure sketch map.
Fig. 4 is the utility model provides a semitrailer axle installation elevating gear side structure sketch map.
Fig. 5 and fig. 6 are schematic views of the turning support structure in the axle mounting and lifting device of the semitrailer provided by the utility model.
Fig. 7 is a schematic view of a local structure of the turning support provided by the present invention.
In the figure: 1. a semi-trailer frame; 2. an axle; 3. the rear end supports the horse leg; 4. a scissor fork type hydraulic lifting mechanism; 5. a track; 6. a turning support device; 7. a stay wire encoder; 8. a scissor fork support arm; 9. lifting a hydraulic oil cylinder; 10. a turning shaft; 11. turning over the oil cylinder; 12. a support pillar; 13. a hinged fixing plate; 14. turning over the driving rod; 15. a curved shaft; 16. a straight shaft; 17. a base; 18. a top plate.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
Example 1
The embodiment provides a semitrailer axle mounted lifting device, which comprises a scissor type hydraulic lifting mechanism 4 and a rear end supporting horse leg 3, as shown in figures 1, 2, 3, 4, 5, 6 and 7. Two rails 5 are laid on the top surface of the scissor fork type hydraulic lifting mechanism 4, and rollers matched with the rails 5 are arranged at the bottom of the rear end supporting horse leg 3. The rear end support horse leg 3 is arranged on the top surface of the scissor fork type hydraulic lifting mechanism 4.
The scissor fork hydraulic lift mechanism 4 comprises a base 17, a top plate 18 and scissor fork arms 8 hinged between the base 17 and the top plate 18. The scissor fork support arm 8 is hinged with a lifting hydraulic oil cylinder 9; the rail 5 is arranged on a top plate 18.
A stay wire encoder 7 and a turnover supporting device 6 are arranged between the base 17 and the top plate 18. The overturning supporting device 6 comprises an articulated fixing plate 13 fixed on one side of a base 17, an overturning shaft 10 is articulated on the articulated fixing plate 13, a pair of supporting columns 12 are arranged at two ends of the overturning shaft 10, and an overturning oil cylinder 11 is articulated in the middle of the overturning shaft 10.
Specifically, a schematic diagram of a working state when the semitrailer axle mounting and lifting device is used for assembling an axle is shown in fig. 1, rear-end supporting horse legs 3 are supported at the bottom of a semitrailer frame 1, and the ground clearance of the semitrailer frame 1 can be adjusted through a scissor type hydraulic lifting mechanism 4, so that a worker can conveniently mount the axle on the semitrailer frame 1. After the installation is finished, the horse legs can be supported by the rear ends to move forwards.
The semitrailer axle mounting lifting device in the embodiment comprises two sets of lifting hydraulic oil cylinders 9 which are symmetrically arranged. The stay wire encoder 7 and the overturning supporting device 6 are respectively arranged at two ends of the base 17. The two rails 5 are arranged parallel to each other. The height of the support post 12 is greater than the height of the scissors fork arms 8 when retracted.
As shown in fig. 5, 6 and 7, the turning shaft 10 includes a curved shaft 15 and a straight shaft 16 connected to the outside of both ends of the curved shaft 15. The outer end of the straight shaft 16 is fixed to the support post 12. A turning driving rod 14 is hinged to the center of the curved shaft 15, and one end of the turning driving rod 14 is hinged to the turning oil cylinder 11; two ends of the curved shaft 15 are hinged with the hinged fixing plate 13.
Specifically, the method comprises the following steps: in the process of mounting the axle 2, firstly, after the frame 1 of the semitrailer is lifted by the scissor type hydraulic lifting mechanism 4, the overturning oil cylinder 11 is utilized to drive the overturning shaft 10 to overturn, so that the supporting column is in an inclined free state and separated from the top plate. At the moment, the scissor fork type hydraulic lifting mechanism 4 can be freely lifted under the ground, and an operator installs the axle 2.
After the axle installation is accomplished, lift semi-trailer frame 1 by scissors fork hydraulic lifting mechanism 4, make its ground, then utilize upset hydro-cylinder 11 to drive trip shaft 10 upset for the support column is in vertical state, contacts with the roof, when acting as go-between encoder 7 detects preset position, the stop motion stops, falls the roof on support column 12, track 5 and the track parallel and level of laying subaerial this moment, and the frame can normally pass through the track.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (6)

1. The utility model provides a semitrailer axle installation elevating gear which characterized in that: the scissor fork type hydraulic lifting mechanism comprises a scissor fork type hydraulic lifting mechanism and a rear end supporting horse leg, wherein two rails are laid on the top surface of the scissor fork type hydraulic lifting mechanism, and rollers matched with the rails for use are arranged at the bottom of the rear end supporting horse leg; the rear end supporting horse leg is arranged on the top surface of the scissor fork type hydraulic lifting mechanism;
the scissor fork type hydraulic lifting mechanism comprises a base, a top plate and a scissor fork support arm hinged between the base and the top plate, wherein a lifting hydraulic oil cylinder is hinged on the scissor fork support arm; the track is arranged on the top plate;
a stay wire encoder and a turnover supporting device are arranged between the base and the top plate;
the overturning supporting device comprises an articulated fixing plate fixed on one side of the base, an overturning shaft is articulated on the articulated fixing plate, a pair of supporting columns is arranged at two ends of the overturning shaft, and an overturning oil cylinder is articulated in the middle of the overturning shaft.
2. The semitrailer axle mounting and lifting device of claim 1, wherein: the lifting hydraulic cylinder comprises two sets of lifting hydraulic cylinders which are symmetrically arranged.
3. The semitrailer axle mounting lifting device of claim 2, wherein: the stay wire encoder and the overturning supporting device are respectively arranged at two ends of the base.
4. The semitrailer axle mounting lifting device of claim 3, wherein: the two rails are arranged parallel to each other.
5. The semitrailer axle mounting lifting device of claim 4, wherein: the height of the supporting column is greater than that of the scissor fork supporting arm when the scissor fork supporting arm is retracted.
6. The semitrailer axle mounting lifting device of claim 5, wherein: the turnover shaft comprises a curved shaft and a straight shaft connected to the outer sides of two ends of the curved shaft, and the outer end of the straight shaft is fixed on the support column; a turning driving rod is hinged to the center of the curved shaft, and one end of the turning driving rod is hinged to the turning oil cylinder; and two ends of the curved shaft are hinged with the hinged fixing plate.
CN202020892057.8U 2020-05-25 2020-05-25 Semitrailer axle mounting lifting device Active CN212982361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020892057.8U CN212982361U (en) 2020-05-25 2020-05-25 Semitrailer axle mounting lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020892057.8U CN212982361U (en) 2020-05-25 2020-05-25 Semitrailer axle mounting lifting device

Publications (1)

Publication Number Publication Date
CN212982361U true CN212982361U (en) 2021-04-16

Family

ID=75422189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020892057.8U Active CN212982361U (en) 2020-05-25 2020-05-25 Semitrailer axle mounting lifting device

Country Status (1)

Country Link
CN (1) CN212982361U (en)

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