CN208516869U - A kind of Bei Jushi hydraulic verticallifting mechanism - Google Patents
A kind of Bei Jushi hydraulic verticallifting mechanism Download PDFInfo
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- CN208516869U CN208516869U CN201820876908.2U CN201820876908U CN208516869U CN 208516869 U CN208516869 U CN 208516869U CN 201820876908 U CN201820876908 U CN 201820876908U CN 208516869 U CN208516869 U CN 208516869U
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Abstract
The utility model provides a kind of Bei Jushi hydraulic verticallifting mechanism, the elevating mechanism is slidably mounted on the chassis of bomb truck, for being vertically moved up or down to the platform of lifting that elevating mechanism top is arranged in, two sliding rails are offered on the inside of the chassis, the elevating mechanism includes coaster, from bar, lift arm, hydraulic cylinder and pull rod, the utility model is in the lower section for lifting platform without any blocking, ground can be fallen directly on, low spot is sufficiently low, the size of arm and pull rod is lifted by rationally designing simultaneously, it can be realized act arm to move up and down in the vertical and horizontal direction with the hinge joint for lifting platform, freedom degree is high, and, in the lifting process of lifting mechanism, coaster, lift arm, from bar and lift platform composition parallelogram mechanism, guarantee to lift in lifting process platform always with ground holding level.
Description
Technical field
The utility model belongs to hydraulic lifting technical field, and in particular to a kind of Bei Jushi hydraulic verticallifting mechanism.
Background technique
Bomb truck is a kind of self-action vehicle, one piece of a vehicle-mounted bullet, energy band bullet progress ascending, descending, longitudinal movement, laterally shifting
Various ammunitions are sent to suspension arrangement, are then accurately positioned and complete to hang by the movement such as dynamic, revolution, pitching, rolling.In addition, hanging
Auxiliary fuel tank, various gondolas and pylon can also be filled by playing vehicle." pack horse " of other style almost completes air force's ground safeguard operation
More than most probably.
There are two types of the elevating mechanisms for being applied to bomb truck in existing industry, including scissors V shape hydraulicefficiency elevation structure and arm are lifted
Formula elevating mechanism, wherein scissors V shape hydraulicefficiency elevation structure, advantage is that the height of lifting is relatively high, the disadvantage is that since scissors is pitched
Structure type limitation, low spot is inadequate, and it is impossible to meet the requirements of special industry；And arm lifts formula elevating mechanism, advantage is low spot
It can satisfy the low spot requirement of special industry, the disadvantage is that freedom degree is inadequate, can not be vertically moved up or down, not be able to satisfy easily and fast
Lifting requirement, and car body is heavy, and manual operation is inconvenient.
Utility model content
The purpose of the utility model is to provide a kind of Bei Jushi hydraulic verticallifting mechanism, which exists
While can satisfy low spot requirement, also there is preferable freedom degree.
In order to achieve the above object, the technical scheme adopted by the utility model is a kind of arm lifts formula hydraulic verticallifting
Mechanism, the elevating mechanism are slidably mounted on the chassis of bomb truck, for be arranged in elevating mechanism top lift platform into
Row vertical lift, offers two sliding rails on the inside of the chassis, the elevating mechanism include coaster, from bar, lift arm, hydraulic cylinder with
And pull rod, the two sides of the coaster are symmetrically arranged with the pulley that several groups can be slided in sliding rail, are equipped with liquid on the coaster
Cylinder pressure, it is described lift arm lower end surface on be provided with connecting plate, the mobile terminal of the hydraulic cylinder is hinged on the connecting plate, described
The bottom end for lifting arm is hinged on the coaster, is fixedly connected with └ ┘ type bar, the └ ┘ type at the medium position for lifting arm
The bottom end of bar is fixedly connected with the act arm, two free ends of the └ ┘ type bar pass through respectively the pull rod with it is described
Chassis be connected, the both ends of the pull rod are all made of hingedly when being connected with the chassis and the └ ┘ type bar, it is described lift it is flat
Platform is mounted on the top for lifting arm and between the two using hingedly, and the two sides for lifting arm are respectively arranged with one for making to lift
Platform remains horizontal from bar, described to be hinged on the coaster from the bottom end of bar, the top from bar and the support
It is hinged to lift platform.
Further, described to be located at the act arm and the hinge for lifting platform from bar and the hinge joint for lifting platform
The top of contact.
Further, the hinge joint from bar and the coaster is located at the upper of the act arm and the hinge joint of the coaster
Side.
Further, the opposed front end on the chassis is arranged in the coaster, and the opposite of the chassis is arranged in the pull rod
Rear end.
Further, the pulley is provided with two groups.
Compared with prior art, the utility model has the beneficial effects that the utility model the lower section for lifting platform without appoint
What stops, and can fall directly on ground, and low spot is sufficiently low, while the size of arm and pull rod is lifted by rationally designing, and can be realized
It lifts arm to move up and down in the vertical and horizontal direction with the hinge joint for lifting platform, freedom degree is high, moreover, in lifting mechanism
In lifting process, coaster, lift arm, from bar and lift platform composition parallelogram mechanism, guarantee to lift in lifting process flat
Platform keeps horizontal with ground always.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Marked in the figure: 11, pull rod, 12, lift platform, 13, coaster, 14, from bar, 15, lift arm, 16, hydraulic cylinder, 17, bottom
Disk, 18, └ ┘ type bar, 19, pulley, 20, sliding rail.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments, based on the embodiments of the present invention, ability
It is practical new to belong to this for domain those of ordinary skill every other embodiment obtained without creative efforts
The range of type protection.
A kind of Bei Jushi hydraulic verticallifting mechanism, the elevating mechanism are slidably mounted on the chassis 17 of bomb truck, are used for
The platform 12 of lifting that elevating mechanism top is arranged in is vertically moved up or down, the inside on the chassis 17 offers two sliding rails
20, the elevating mechanism include coaster 13, from bar 14, lift arm 15, hydraulic cylinder 16 and pull rod 11, the two sides of the coaster 13 it is symmetrical
It is provided with the pulley 19 that several groups can be slided in sliding rail, hydraulic cylinder 16 is installed on the coaster 13, under the act arm 15
Connecting plate is provided on end face, the mobile terminal of the hydraulic cylinder 16 is hinged on the connecting plate, the bottom end hinge for lifting arm 15
It connects on the coaster 13, is fixedly connected with └ ┘ type bar 18 at the medium position for lifting arm 15, the └ ┘ type bar 18
Bottom end is fixedly connected with the act arm 15, and two free ends of the └ ┘ type bar 18 pass through the pull rod 11 and institute respectively
Chassis 17 to be stated to be connected, the both ends of the pull rod 11 are all made of hingedly when being connected with the chassis 17 and the └ ┘ type bar 18,
The platform 12 of lifting is mounted on the top for lifting arm 15 and uses between the two hingedly, and the two sides for lifting arm 15 are respectively set
There is one to remain horizontal from bar 14 for making to lift platform 12, the bottom end from bar 14 is hinged on the coaster 13
On, platform 12 is lifted hingedly with described in the top from bar 14.
This programme is advanced optimized, it is described to be located at the act arm 15 and institute from bar 14 and the hinge joint for lifting platform 12
State the top for lifting the hinge joint of platform 12.
This programme is advanced optimized, it is described to be located at the act arm 15 and the cunning from the hinge joint of bar 14 and the coaster 13
The top of the hinge joint of vehicle 13.
This programme is advanced optimized, the opposed front end on the chassis 17 is arranged in the coaster 13, and the pull rod 11 is arranged
The opposed rear end on the chassis 17.
This programme is advanced optimized, the pulley 19 is provided with two groups.
The utility model is described in detail below in conjunction with attached drawing:
As shown in Figure 1, a kind of Bei Jushi hydraulic verticallifting mechanism, the elevating mechanism are slidably mounted on the chassis of bomb truck
On 17, for being vertically moved up or down to the platform 12 of lifting that elevating mechanism top is arranged in, the inside on the chassis 17 is offered
Two sliding rails 20, the elevating mechanism include coaster 13, from bar 14, lift arm 15, hydraulic cylinder 16 and pull rod 11, the coaster 13 are set
The opposed front end on the chassis 17 is set, the opposed rear end on the chassis 17 is arranged in the pull rod 11；The two sides of the coaster 13
It is symmetrically arranged with the pulley 19 that several groups can be slided in sliding rail, the pulley 19 is provided with two groups, while preferable in order to reach
Stability, sliding block can be set between two pulleys, the height of sliding block is slightly less than the diameter of pulley, moreover, in the present embodiment,
The design of idler wheel uses pyramidal structure, Selection of Bearings tapered roller bearing, in pairs back to using.The mounting design adjusting pad of idler wheel
Piece, for adjusting idler wheel and slideway gap.Locking nut selects finished product BNRS20 type nut, and locking effect is better than double nut.
Slideway uses the structure type with certain taper, cooperates with idler wheel, and coaster is enable to realize that self orientation is mobile by self gravity,
Avoid coaster clamping stagnation.Coaster is the basic load component of lifting mechanism, using 80 × 60 × 5mm rectangular steel pipe and steel plate welding
At outer dimension (length × width × height): 790mm × 590mm × 195mm, be self-possessed 60kg.In connection liquid cylinder pressure and lift arm shaft
Place, repair welding steel plate reinforce structure, improve its bearing capacity.Two pairs of steel idler wheels are designed in coaster two sides, can be in vehicle frame
It is moved freely in sliding slot, it is first that the other component in addition to four rolling axis is integrally welded when coaster welds.Sufficiently discharging
After welding stress, clamped one time goes out each matching hole Times, guarantees the requirement of its concentricity.Last welding roll axis, is matched by axis hole
Close the concentricity requirement for guaranteeing roller shaft.It lifts arm to be welded using square steel tube (60mm × 90mm × 5mm) and steel plate, external form ruler
Very little (length × width × height): 1470mm × 420mm × 265mm, be self-possessed 74kg, is connected using root design shaft with coaster, is lifted
Arm body is longitudinal two square steel tubes, for enhancing cantilever beam overall stiffness and intensity, upper and lower surface welding steel improve its master by
The strength and stiffness in power direction, while its torsion stiffness, form fit size and cooperation are improved in three square steel tubes of transverse weld
Axis hole etc. welds post-processing to guarantee design requirement.
Hydraulic cylinder 16 is installed on the coaster 13, is provided with hydraulic cylinder described in connecting plate on the lower end surface for lifting arm 15
16 mobile terminal is hinged on the connecting plate, herein, is hingedly with arm 15 is lifted by connecting plate by the mobile terminal of hydraulic cylinder 16
It is known in the art that therefore the not specific location and structure of connecting plate drawn in the figure, specific structure are as follows: connecting plate is provided with two
Block, two pieces of connecting plates by pin shaft by the mobile terminal of hydraulic cylinder 16 hingedly therebetween, the bottom end for lifting arm 15 is hinged on
On the coaster 13, └ ┘ type bar 18, the bottom end of the └ ┘ type bar 18 are fixedly connected at the medium position for lifting arm 15
It is fixedly connected with the act arm 15, two free ends of the └ ┘ type bar 18 pass through the pull rod 11 and the bottom respectively
Disk 17 is connected, and the both ends of the pull rod 11 are all made of hingedly when being connected with the chassis 17 and the └ ┘ type bar 18, described
It lifts platform 12 to be mounted on the top for lifting arm 15 and use between the two hingedly, the two sides for lifting arm 15 are respectively arranged with one
Root remains horizontal from bar 14 for making to lift platform 12, and the bottom end from bar 14 is hinged on the coaster 13, institute
State it is hinged from the top of bar 14 and the platform 12 of lifting, it is described be located at from bar 14 and the hinge joint for lifting platform 12 it is described
The top of arm 15 and the hinge joint for lifting platform 12 is lifted, the hinge joint from bar 14 and the coaster 13 is located at the act
The top of the hinge joint of arm 15 and the coaster 13.
The principles of the present invention: coaster 13 is the load basis of the lifting mechanism, can be opened on bomb truck chassis 17
If sliding rail in move freely.Coaster 13, hydraulic cylinder 16 and act arm 15 are successively hinged, and firm triangle branch is formed in root
Support.One end of pull rod 11 is connected on chassis 17 by shaft, and the other end and 15 middle part of act arm are hinged.When hydraulic cylinder 16 is hydraulic
When doing stretching motion under the power effect of system, act arm 15 is driven to do pitching movement.Simultaneously under the action of pull rod 11, coaster 13
Together with the act back and forth movement on sliding rail 20 of arm 15.The size that arm 15 and pull rod 11 are lifted by rationally designing can be realized and lift arm 15
It is moved up and down in the vertical and horizontal direction with 12 hinge joint of platform is lifted.In the lifting process of lifting mechanism, coaster 13,
Lift arm 15, from bar 11 and lift platform 12 and form parallelogram mechanism, guarantee to lift in lifting process platform 12 always with
Ground keeps horizontal.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (5)
1. a kind of Bei Jushi hydraulic verticallifting mechanism, the elevating mechanism are slidably mounted on the chassis of bomb truck, for setting
It sets the platform of lifting on elevating mechanism top to be vertically moved up or down, two sliding rails is offered on the inside of the chassis, feature exists
In: the elevating mechanism include coaster, from bar, lift arm, hydraulic cylinder and pull rod, the two sides of the coaster and be symmetrically arranged with several groups
The pulley that can be slided in sliding rail is equipped with hydraulic cylinder on the coaster, is provided with connecting plate on the lower end surface for lifting arm, institute
The mobile terminal for stating hydraulic cylinder is hinged on the connecting plate, and the bottom end for lifting arm is hinged on the coaster, the act arm
└ ┘ type bar is fixedly connected at medium position, the bottom end of the └ ┘ type bar is fixedly connected with the act arm, the └ ┘ type
Two free ends of bar pass through the pull rod respectively and are connected with the chassis, the both ends of the pull rod with the chassis and
The └ ┘ type bar is all made of hingedly when being connected, and the stage+module of lifting is on the top for lifting arm and between the two using hinge
It connects, the two sides for lifting arm are respectively arranged with one and remain horizontal from bar, the bottom from bar for making to lift platform
End is hinged on the coaster, the top from bar with described to lift platform hinged.
2. a kind of Bei Jushi hydraulic verticallifting mechanism according to claim 1, it is characterised in that: it is described from bar with it is described
The hinge joint for lifting platform is located at the top for lifting arm and the hinge joint for lifting platform.
3. a kind of Bei Jushi hydraulic verticallifting mechanism according to claim 1, it is characterised in that: it is described from bar with it is described
The hinge joint of coaster is located at the top of the hinge joint of the act arm and the coaster.
4. a kind of Bei Jushi hydraulic verticallifting mechanism according to claim 1, it is characterised in that: the coaster setting exists
The opposed rear end on the chassis is arranged in the opposed front end on the chassis, the pull rod.
5. a kind of Bei Jushi hydraulic verticallifting mechanism according to claim 1, it is characterised in that: the pulley is provided with
Two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820876908.2U CN208516869U (en) | 2018-06-07 | 2018-06-07 | A kind of Bei Jushi hydraulic verticallifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820876908.2U CN208516869U (en) | 2018-06-07 | 2018-06-07 | A kind of Bei Jushi hydraulic verticallifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208516869U true CN208516869U (en) | 2019-02-19 |
Family
ID=65325966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820876908.2U Active CN208516869U (en) | 2018-06-07 | 2018-06-07 | A kind of Bei Jushi hydraulic verticallifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208516869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525761A (en) * | 2022-02-22 | 2022-05-24 | 中交第四航务工程局有限公司 | Steel pull rod leveler |
-
2018
- 2018-06-07 CN CN201820876908.2U patent/CN208516869U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525761A (en) * | 2022-02-22 | 2022-05-24 | 中交第四航务工程局有限公司 | Steel pull rod leveler |
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