CN110450093A - A kind of dismounting engine rack - Google Patents
A kind of dismounting engine rack Download PDFInfo
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- CN110450093A CN110450093A CN201910854992.7A CN201910854992A CN110450093A CN 110450093 A CN110450093 A CN 110450093A CN 201910854992 A CN201910854992 A CN 201910854992A CN 110450093 A CN110450093 A CN 110450093A
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- Prior art keywords
- pillar stand
- worm gear
- lower pillar
- upper pillar
- dismounting engine
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000007306 turnover Effects 0.000 claims abstract description 18
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- 230000008859 change Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0007—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby for engines, motor-vehicles or bicycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of dismounting engine racks, including bottom deck assembly, support post is provided on bottom deck assembly, the top of support post is provided with turnover mechanism, support post includes the lower pillar stand being fixedly connected with bottom deck assembly and the upper pillar stand with lower pillar stand grafting, the lifting mechanism of support upper pillar stand lifting is provided in lower pillar stand, lifting mechanism includes the screw rod being rotatably arranged in lower pillar stand, the upper end of screw rod and the bottom plate of upper pillar stand pass through the adjustable connection of single line trapezoidal thread, the lower end of screw rod is provided with spur bevel gear, it is meshed with spur bevel gear and is provided with driving bevel gear, the lifting handwheel being fixedly connected with driving bevel gear is provided on the outside of lower pillar stand, the top that upper pillar stand is arranged in the turnover mechanism is arranged in turnover mechanism.The present invention can adjust height with stepless continuous, this can not only make the different size of engine of dismounting engine rack adaptation realize that 360 degree overturn without interference, and convenient for the operative employee of different heights progress dismounting engine operation.
Description
Technical field
The present invention relates to dismounting engine technical fields, particularly relate to a kind of dismounting engine rack.
Background technique
Initial vehicle structure is relatively simple, and the maintenance of automobile engine is also more random, it is desirable that and it is not high, there is complementary function
Though the dismounting engine rack of energy has emerged, structure and function is single, only simple supporting role.Automobile engine technology
After growing up, the requirement of various high-performance and complicated engine to repair quality is increasingly improved, and is simply started
Machine dismounting rack can no longer meet demand, and multifunctional engine dismounting rack comes into being.Compared to rack before, existing
Frame has 360 degree of overturnings and self-locking function, and is provided with the support food tray for holding small components and collecting oil droplet clast.But these function
The institute that can not can still fully meet engine maintenance worker is in need.
By motor support in a fixed height, such defect is to work as to change the outfit existing dismounting engine rack
When the engine of other models, engine bottom is too small with support oil pan clearance and can not carry out turning operation.In addition, fixed branch
Support height can not adapt to the different height of operator, this necessarily makes troubles to operator.In addition, existing engine dismounting table
The bottom plate of frame is welded as a whole, by the dimension enlargement of entire dismounting engine rack, so that worker is carrying Shi Duoyou not
Just.When dismounting engine rack temporarily leaves unused, it is larger to park the space occupied.
Summary of the invention
For the deficiency in above-mentioned background technique, the present invention proposes a kind of dismounting engine rack, solves existing start
Machine dismounts the nonadjustable technical problem of rack levels.
The technical scheme of the present invention is realized as follows: a kind of dismounting engine rack, including bottom deck assembly, bottom deck assembly
On be provided with support post, the top of support post is provided with turnover mechanism, and the support post includes fixing with bottom deck assembly
The lower pillar stand of connection and upper pillar stand with lower pillar stand grafting are provided with the lifting mechanism of support upper pillar stand lifting in lower pillar stand, lift
Rising mechanism includes the screw rod being rotatably arranged in lower pillar stand, and the upper end of screw rod and the bottom plate of upper pillar stand can by single line trapezoidal thread
Connection is adjusted, the lower end of screw rod is provided with spur bevel gear, is meshed with spur bevel gear and is provided with driving bevel gear, lower vertical
The lifting handwheel being fixedly connected with driving bevel gear is provided on the outside of column, turnover mechanism setting exists in turnover mechanism setting
The top of upper pillar stand.
The turnover mechanism includes horizontally rotating the worm gear shaft being arranged in upper pillar stand, and worm gear shaft is located at the outer end of upper pillar stand
Portion is connected with flip-arm, and the position that worm gear shaft is located in upper pillar stand is provided with worm gear, is equipped with worm screw, snail with worm-drive
The angle of spiral of bar is less than the equivalent friction angle with the worm gear field of conjugate action, and the end that worm screw is located at outside upper pillar stand is connected with overturning hand
Wheel.
Further, the flip-arm includes being connected with returning face plate with the outer end of worm gear shaft, and returning face plate is close to worm gear shaft
Side be provided with connecting cylinder, the fastening screw for pressing to worm gear shaft is provided on the side wall of connecting cylinder, is provided with and is used on returning face plate
Four of locking engine bolt are crossed as 90 degree of bar shaped groove.
The worm gear shaft includes the worm gear construction section for being keyed worm gear, and the two sides of worm gear section are provided with bearing construction section, axis
The deep groove ball bearing for being equipped on construction section and matching with upper pillar stand is held, deep groove ball bearing is arranged by rectangular support in upper pillar stand
On.
The bottom deck assembly includes dismountable spliced girder, and spliced girder includes two identical Back Word grid beams, two Back Words
Grid beam is symmetrically connected by two attachment beams, and activity is connected with support food tray between attachment beam, and the lower pillar stand fixed setting is in office
It anticipates in a Back Word grid beam.
Further, the bottom surface of the Back Word grid beam is provided with the universal wheel that can be braked.
Further, the upper half of the screw rod is thread segment, lower half is light bar segment, and the lower end of the light bar segment is logical
It crosses tapered roller bearing to be rotatably arranged on the bottom plate of lower pillar stand, the light bar segment and tapered roller bearing are interference fitted, lower vertical
The fixing groove with the outer ring of tapered roller bearing interference fit is offered on the bottom plate of column, the inner ring of tapered roller bearing is provided with
It pushes up to the bottom plate of lower pillar stand and opens screw certainly.
Further, the bottom plate of the upper pillar stand offers fitting groove, and the assembly of support upper pillar stand is connected in fitting groove
Block offers the screw hole matched with screw flight section on assembling block.
Further, the longitudinal section of the fitting groove is isosceles trapezoid, and the waist of isosceles trapezoid and the angle of bottom are 45 degree,
45 degree of inclined inclined-planes are provided at left and right sides of the assembling block.
Further, the driving bevel gear is fixedly connected with lifting handwheel by drive shaft, drive shaft and the worm screw
It is rotatably arranged on lower pillar stand by the deep groove ball bearing with rectangular support.
The present invention can adjust height with stepless continuous, this can not only make dismounting engine rack adapt to different size of hair
Motivation realizes that 360 degree overturn without interference, and can carry out dismounting engine operation convenient for the operative employee of different heights.It improves
The dismounting engine rack of the scope of application is saving the time, will play bigger effect in terms of improving repair quality.In addition, well-behaved
Bright dismounting engine rack back-plane design becomes removable, can disassemble rack when carrying and case, not only save space but also conveniently remove
Fortune.By back-plane design at symmetrical expression, the bottom plate of front and rear, left and right be can be interchanged, and reduce the type of part to be manufactured.In bottom plate group
Two Back Word grid beams of part all drill out the threaded hole connecting with lower pillar stand, and when failing at one, replacing elsewhere improves bottom plate
The service life of component.In addition, the present invention is designed as closed-type cylindrical gearing, working environment is preferable, avoid components excessive wear and
Fever.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in describing below to embodiment makees letter
Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the invention, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the cross-sectional view of Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1, a kind of dismounting engine rack are set on bottom deck assembly 1 as depicted in figs. 1 and 2, including bottom deck assembly 1
It is equipped with support post 2, the top of support post 2 is provided with turnover mechanism 3, and turnover mechanism 3 is for fixing and overturning engine.
The bottom deck assembly 1 includes dismountable spliced girder, and spliced girder includes two identical Back Word grid beams 11, and two are returned
Word grid beam 11 is symmetrically connected by two attachment beams 12, and activity is connected with support food tray 13 between attachment beam 12.In manufacture bottom plate group
When part 1, it is only necessary to manufacture kind of components in Back Word grid beam 11 and 12 liang of attachment beam, such design not only facilitates manufacture but also facilitates dimension
It repairs.When bottom deck assembly 1 has a damage of components, corresponding components can be removed from other spare dismounting racks and are carried out more
It changes.The left and right ends of bottom plate are designed to symmetrical structure, and both ends can be connected with the bottom plate of support post 2, when returning for one end
When word grid beam 11 is destroyed, the Back Word grid beam 11 that can use the other end instead installs support post 2, and such design can extend bottom plate
Service life.
The support post 2 includes the lower pillar stand 21 being fixedly connected with Back Word grid beam 11, and the bottom plate of lower pillar stand 11 passes through spiral shell
Bolt group is detachably connected in Back Word grid beam 11.With lower pillar stand 21 is mating is provided with upper pillar stand 22, setting in lower pillar stand 21
The lifting mechanism 4 for thering is support upper pillar stand 22 to go up and down.
The lifting mechanism 4 includes the screw rod 41 being rotatably arranged in lower pillar stand 21, the upper end of screw rod 41 and upper pillar stand 21
Bottom plate pass through the adjustable connection of single line trapezoidal thread.Worm drive are driven using the screw pair of screw rod and nut composition,
It is mainly used for being converted into moving along a straight line by rotary motion, while passing movement and power.According to the opposite fortune of screw rod and nut
Dynamic relationship, there are mainly two types of the common forms of motion of worm drive: first is that screw rod rotates, nut is mobile, be chiefly used in lathe into
To in mechanism;Second is that nut is fixed, screw rod is rotated and is moved, and is chiefly used in jackscrew.
The lifting mechanism 4 of the present embodiment is mainly used to lift upper pillar stand 22, and the axial force born is larger, but required spiral shell
Line transmission accuracy is of less demanding.If the upper pillar stand 22 after lifting can not be self-locking, upper pillar stand 22 is under the gravity of engine
There to be whereabouts, this will affect the normal work of operator, or even cause safety accident.Therefore, lifting mechanism 4 is to certainly
The requirement of lock property is high, and the screw-driven of single line trapezoidal thread has ideal self-locking performance, meets the self-locking performance of lifting mechanism
It is required that.
The lower end of the screw rod 41 is fixedly installed spur bevel gear 42,42 transmission arrangments of spur bevel gear by key
In the bottom end of lower pillar stand 21.It is meshed with spur bevel gear 42 and is provided with driving bevel gear 43, the outside setting of lower pillar stand 21
There is the lifting handwheel 44 being fixedly connected with driving bevel gear 43.Driving bevel gear is able to drive by can be manually rotated lifting handwheel 44
43 rotations, the rotation of driving bevel gear 43 will drive the rotation of spur bevel gear 42, and spur bevel gear 42 drives screw rod 41 to rotate,
Screw rod 41 will drive upper pillar stand 22 and rise or decline after rotating.
The present embodiment selects the reasons why straight bevel gear 42 to have two: first is that straight bevel gear 42 is compact-sized, being easily installed
Inside lower pillar stand 21.The lifting mechanism 4 of the present embodiment is placed on inside lower pillar stand 21, and space is limited, can only be passed using gear
It is dynamic;Second is that Bevel Gear Transmission can change transmission direction, so that lifting handwheel 44 can be with reasonable Arrangement.In addition to this, 90 degree
The Bevel Gear Transmission of crossed axis angle effectively reduces the lateral dimension of mechanism, so that the structure of mechanism is more compact.
Screw rod 41 and lifting handwheel 44 select gear drive, the torque of transmitting rotation spiral shell 41 are primarily used to, due to gear
The torque transmitted is little, and the load of receiving is smaller, and because the needs of working environment require to change transmission direction, thus chooses and set
Meter manufactures relatively simple straight bevel gear 42.Since the torque that straight bevel gear 42 is transmitted is little, using closed-type cylindrical gearing, because
Various failure modes without regard to the gear teeth and the flank of tooth.The transmission of straight bevel gear 42 of use is for intensity, precision and speed
Degree requires not high gear.Gear uses forged steel for material, for convenience of cutting, and cutter is made to be not easy to wear rapidly, gear
Using the soft flank of tooth.It is 8 grades that by gear blank cutting after normalizing or modifier treatment, when cutting, precision, which is required nothing more than,.
The top of upper pillar stand 22 is arranged in the turnover mechanism, and turnover mechanism 3 includes horizontally rotating to be arranged in upper pillar stand 22
Interior worm gear shaft 31, the outer end that worm gear shaft 31 is located at upper pillar stand 22 are connected with flip-arm, and worm gear shaft 31 is located in upper pillar stand 22
Position be provided with worm gear 32, with worm gear 32 transmission be equipped with worm screw 33, the angle of spiral of worm screw 33 is less than and worm gear
The equivalent friction angle of 32 fields of conjugate action, the end that worm screw 33 is located at outside upper pillar stand 22 are connected with overturning handwheel 34.Rotation overturning manually
Handwheel 34 is able to drive the rotation of worm screw 33, and the rotation of worm screw 33 drives worm gear 32 to rotate, and worm gear 32 drives worm gear shaft 31 to rotate, worm gear
Axis 31 drives flip-arm to overturn engine.
Selection worm and gear realizes that the reasons why flip-arm overturning has three: first is that very big transmission may be implemented in worm-drive
Than, accomplish slow down, it is laborsaving while compact-sized;Second is that worm-drive may be implemented in the case where meeting certain meshing condition
Self-locking, i.e., the angle of spiral of worm screw 33 is less than the equivalent friction angle with 32 field of conjugate action of worm gear, this allows flip-arm to make to send out
Motivation is fixed on any angle and significantly facilitates the work of operator;Third is that can be had in turnover mechanism using worm-drive
Effect overcomes its disadvantage.It since velocity of rotation is very slow in use for turnover mechanism, and is closed-type cylindrical gearing, working environment is preferable,
Avoiding problems components excessive wear and fevers.Although worm-drive under conditions of having self-locking performance transmission efficiency significantly compared with
It is low, but the overturning and infrequently in operation of turnover mechanism 3, and realize that the required torque of overturning is little.
The flip-arm includes that returning face plate 35 is connected with the outer end of worm gear shaft 31, and returning face plate 35 is close to worm gear shaft 31
Side is provided with connecting cylinder 36, is provided with the fastening screw 37 for pressing to worm gear shaft 31 on the side wall of connecting cylinder 36, on returning face plate 35
It is provided with four for locking engine bolt bar shaped grooves 38 for being crossed as 90 degree.
Embodiment 2, a kind of dismounting engine rack, the worm gear shaft 31 include the worm gear construction section of key connection worm gear 32,
The two sides of worm gear section are provided with bearing construction section, and the deep groove ball bearing matched with upper pillar stand 22 is equipped on bearing construction section
39, deep groove ball bearing 39 is arranged on upper pillar stand 22 by rectangular support 40.
Entire worm gear shaft 31 is supported on the upper end of upper pillar stand by deep groove ball bearing 39, due to upper pillar stand 22 wall thickness compared with
Thin, if in 22 aperture of upper pillar stand and deep groove ball bearing is fixed on upper pillar stand 22, the nose end part of upper pillar stand 22 will be born
Very big compression or tensile stress.Under the circumstances, need first by rectangular branch 40 be fixed by bolts on upper pillar stand 22,
Then deep groove ball bearing 39 is fixed on rectangular support 40 again.The selected deep groove ball bearing 39 with rectangular support 40, this axis
Radial load and lesser axial load can be born by holding, and meet design requirement.Entire deep groove ball bearing 39 is enclosed in rectangular support
Inside 40, aperture is provided in the upper end of rectangular support 40 for adding lubricating oil.
The other structures of the present embodiment are same as Example 1.
The bottom surface of embodiment 3, a kind of dismounting engine rack, the Back Word grid beam 11 is provided with the universal wheel that can be braked
14, the position convenient for whole device is mobile and positions.
The other structures of the present embodiment are identical as embodiment 1 or 2.
Embodiment 4, a kind of dismounting engine rack, the upper half of the screw rod 41 is thread segment, lower half is light bar segment,
The lower end of the light bar segment is rotatably arranged on the bottom plate of lower pillar stand 21 by tapered roller bearing 45, the light bar segment and circle
Taper roller bearing 45 is interference fitted, and is offered on the bottom plate of lower pillar stand 21 and is consolidated with what the outer ring of tapered roller bearing 45 was interference fitted
Determine slot, the inner ring of tapered roller bearing 45 is provided with to push up to the bottom plate of lower pillar stand 21 opens screw 46 certainly.
Tapered roller bearing 45 is taken out from the base plate interior of lower pillar stand 21 in maintenance process for convenience, in lower pillar stand
21 bottom design in opening 46 mechanism of screw certainly, opens screw 46 certainly and withstands the interior of tapered roller bearing from screw 46 is opened
Circle, entire tapered roller bearing 45 are overcome frictional resistance by from opening the upward motive force of screw 46 1, stand under solid-section
It is released in the bottom plate of column 21, so as to smoothly take out entire lifting mechanism 4 from lower pillar stand 21.
The other structures of the present embodiment are identical as embodiment 1 or 2 or 3.
Embodiment 5, a kind of dismounting engine rack, the bottom plate of the upper pillar stand 22 offer fitting groove, card in fitting groove
It is connected to the assembling block 47 of support upper pillar stand 22, offers the screw hole matched with the thread segment of screw rod 41 on assembling block 47, the spiral shell
Hole is to match single line trapezoidal thread with screw rod 41, can be realized self-locking function.The longitudinal section of the fitting groove is isosceles ladder
Shape, the waist of isosceles trapezoid and the angle of bottom are 45 degree, and the left and right sides of the assembling block 47 is provided with 45 degree of inclined inclined-planes.
Or the upper end of screw rod 41 can be using nut as radial support components, although the spiral shell under the driving of screw rod 41
Mother can move up and down, and influence radial support effect, but in view of 42 transmission arrangments of conical gear are in the bottom end of lower pillar stand 21, radial direction
Point of force application will not apply excessive moment of flexure to entire nut close to 21 bottom end of lower pillar stand, thus such arrangement is complete
It can satisfy design requirement.
It is connect for the ease of nut with upper pillar stand, and also to convenient for the needs of assembly and maintenance, to the outside of nut
Design is optimized in structure, and nut is designed as the assembling block 47 with screw hole.Such connection type is convenient for assembly with after
Phase dismantling maintenance, material used are easy to get, and the processing is simple, the operation is stable.
The other structures of the present embodiment are identical as embodiment 1 or 2 or 3 or 4
Embodiment 6, a kind of dismounting engine rack, the driving bevel gear 42 and lifting handwheel 43 connect by the way that drive shaft 48 is fixed
It connects, drive shaft 48 and the worm screw 33 pass through the same rectangular support 40 that matches with worm screw 33,39 turns of deep groove ball bearing
It is dynamic to be arranged on lower pillar stand 21.
The other structures of the present embodiment are identical as embodiment 2 or 3 or 4 or 5.
The not detailed place of the present invention is conventional technical means known in those skilled in the art.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of dismounting engine rack, including bottom deck assembly (1), it is provided with support post (2), supports on bottom deck assembly (1)
The top of column (2) is provided with turnover mechanism (3), it is characterised in that: the support post (2) includes solid with bottom deck assembly (1)
Surely the lower pillar stand (21) connected and the upper pillar stand (22) with lower pillar stand (21) grafting, lower pillar stand (21) is interior to be provided with support upper pillar stand
(22) lifting mechanism (4) gone up and down, lifting mechanism (4) include the screw rod (41) being rotatably arranged in lower pillar stand (21), screw rod
(41) for the bottom plate of upper end and upper pillar stand (21) by the adjustable connection of single line trapezoidal thread, the lower end of screw rod (41) is provided with straight-tooth
Conical gear (42) is meshed with spur bevel gear (42) and is provided with driving bevel gear (43), and lower pillar stand is set on the outside of (21)
It is equipped with the lifting handwheel (44) being fixedly connected with driving bevel gear (43), turnover mechanism (3) setting is arranged in the turnover mechanism
On the top of upper pillar stand (22).
2. dismounting engine rack according to claim 1, it is characterised in that: the turnover mechanism (3) includes horizontal turns
The dynamic worm gear shaft (31) being arranged in upper pillar stand (22), the outer end that worm gear shaft (31) is located at upper pillar stand (22) is connected with overturning
Arm, the position that worm gear shaft (31) is located in upper pillar stand (22) are provided with worm gear (32), are equipped with snail with worm gear (32) transmission
Bar (33), the angle of spiral of worm screw (33) are less than the equivalent friction angle with worm gear (32) field of conjugate action, and worm screw (33) is located at upper vertical
The end of column (22) outside is connected with overturning handwheel (34).
3. dismounting engine rack according to claim 2, it is characterised in that: the flip-arm includes and worm gear shaft (31)
Outer end be connected with returning face plate (35), returning face plate (35) is provided with connecting cylinder (36) close to the side of worm gear shaft (31), is connected
It is provided with the fastening screw (37) for pressing to worm gear shaft (31) on the side wall of cylinder (36), is provided on returning face plate (35) and starts for locking
Four of machine bolt are crossed as 90 degree of bar shaped groove (38).
4. dismounting engine rack according to claim 2 or 3, it is characterised in that: the worm gear shaft (31) includes that key connects
The worm gear construction section of worm gear (32) is connect, the two sides of worm gear section are provided with bearing construction section, are equipped on bearing construction section and stand with upper
The deep groove ball bearing (39) that column (22) matches, deep groove ball bearing (39) are arranged by rectangular support (40) in upper pillar stand (22)
On.
5. dismounting engine rack according to claim 4, it is characterised in that: the bottom deck assembly (1) includes detachable
Spliced girder, spliced girder includes two identical Back Word grid beams (11), and two Back Word grid beams (11) pass through two attachment beams (12)
Symmetrical to connect, activity is connected with support food tray (13) between attachment beam (12), and the lower pillar stand (21) is fixed at any one
In Back Word grid beam (11).
6. dismounting engine rack according to claim 5, it is characterised in that: the bottom surface of the Back Word grid beam (11) is arranged
There is the universal wheel (14) that can be braked.
7. -3 or 5 or 6 described in any item dismounting engine racks according to claim 1, it is characterised in that: the screw rod (41)
The upper half be thread segment, lower half is light bar segment, the lower end of the light bar segment is set by tapered roller bearing (45) rotation
It sets on the bottom plate of lower pillar stand (21), the light bar segment and tapered roller bearing (45) are interference fitted, the bottom plate of lower pillar stand (21)
On offer fixing groove with the outer ring of tapered roller bearing (45) interference fit, the inner ring of tapered roller bearing (45) is provided with
It pushes up to the bottom plate of lower pillar stand (21) and opens screw (46) certainly.
8. dismounting engine rack according to claim 7, it is characterised in that: the bottom plate of the upper pillar stand (22) offers
Fitting groove is connected with the assembling block (47) of support upper pillar stand (22) in fitting groove, offers on assembling block (47) and screw rod (41)
The screw hole that matches of thread segment.
9. dismounting engine rack according to claim 8, it is characterised in that: the longitudinal section of the fitting groove is isosceles ladder
Shape, the waist of isosceles trapezoid and the angle of bottom are 45 degree, be provided at left and right sides of the assembling block (47) 45 degree it is inclined tiltedly
Face.
10. according to Claims 2 or 3 or 6 described in any item dismounting engine racks, it is characterised in that: tooth is bored in the driving
Wheel (42) is fixedly connected with lifting handwheel (43) by drive shaft (48), and drive shaft (48) and the worm screw (33) are by having
The deep groove ball bearing (39) of support (40) is rotatably arranged on lower pillar stand (21).
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CN201910854992.7A CN110450093A (en) | 2019-09-10 | 2019-09-10 | A kind of dismounting engine rack |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110842879A (en) * | 2019-11-29 | 2020-02-28 | 广西玉柴机器股份有限公司 | Crankshaft big end coupling device |
CN111283611A (en) * | 2020-03-31 | 2020-06-16 | 广西玉柴机器股份有限公司 | Power walking flexible assembly vehicle |
CN113478447A (en) * | 2021-07-20 | 2021-10-08 | 贵州黔新哲米科技有限公司 | Electromechanical device troubleshooting device |
CN114952287A (en) * | 2022-07-12 | 2022-08-30 | 广州全速汽车科技发展有限公司 | Working method of gearbox assembling and conveying system |
CN115945968A (en) * | 2023-01-09 | 2023-04-11 | 苏州群志机械设备有限公司 | Double-end vertical machining center |
CN117340850A (en) * | 2023-10-25 | 2024-01-05 | 广州三成科技股份有限公司 | Auxiliary device for maintaining ship engine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009149659A1 (en) * | 2008-06-13 | 2009-12-17 | 华为技术有限公司 | Method for packaging electronic device and packaging turnover rack |
CN203282380U (en) * | 2013-05-07 | 2013-11-13 | 徐州徐工施维英机械有限公司 | Spliced type base |
CN204125065U (en) * | 2014-08-19 | 2015-01-28 | 上海电机学院 | Automotive engine lifting turning rack |
CN207841179U (en) * | 2018-01-04 | 2018-09-11 | 青岛新奥智能能源有限公司 | A kind of Portable filtering valve nut bottom cover disassembly-assembly bracket |
CN108748016A (en) * | 2018-07-20 | 2018-11-06 | 山东科技职业学院 | A kind of automobile engine maintaining rollover stand |
CN210589028U (en) * | 2019-09-10 | 2020-05-22 | 中国建筑第七工程局有限公司 | Engine dismounting rack |
-
2019
- 2019-09-10 CN CN201910854992.7A patent/CN110450093A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009149659A1 (en) * | 2008-06-13 | 2009-12-17 | 华为技术有限公司 | Method for packaging electronic device and packaging turnover rack |
CN203282380U (en) * | 2013-05-07 | 2013-11-13 | 徐州徐工施维英机械有限公司 | Spliced type base |
CN204125065U (en) * | 2014-08-19 | 2015-01-28 | 上海电机学院 | Automotive engine lifting turning rack |
CN207841179U (en) * | 2018-01-04 | 2018-09-11 | 青岛新奥智能能源有限公司 | A kind of Portable filtering valve nut bottom cover disassembly-assembly bracket |
CN108748016A (en) * | 2018-07-20 | 2018-11-06 | 山东科技职业学院 | A kind of automobile engine maintaining rollover stand |
CN210589028U (en) * | 2019-09-10 | 2020-05-22 | 中国建筑第七工程局有限公司 | Engine dismounting rack |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110842879A (en) * | 2019-11-29 | 2020-02-28 | 广西玉柴机器股份有限公司 | Crankshaft big end coupling device |
CN111283611A (en) * | 2020-03-31 | 2020-06-16 | 广西玉柴机器股份有限公司 | Power walking flexible assembly vehicle |
CN113478447A (en) * | 2021-07-20 | 2021-10-08 | 贵州黔新哲米科技有限公司 | Electromechanical device troubleshooting device |
CN114952287A (en) * | 2022-07-12 | 2022-08-30 | 广州全速汽车科技发展有限公司 | Working method of gearbox assembling and conveying system |
CN115945968A (en) * | 2023-01-09 | 2023-04-11 | 苏州群志机械设备有限公司 | Double-end vertical machining center |
CN115945968B (en) * | 2023-01-09 | 2023-11-10 | 苏州群志机械设备有限公司 | Double-head vertical machining center |
CN117340850A (en) * | 2023-10-25 | 2024-01-05 | 广州三成科技股份有限公司 | Auxiliary device for maintaining ship engine |
CN117340850B (en) * | 2023-10-25 | 2024-04-02 | 广州三成科技股份有限公司 | Auxiliary device for maintaining ship engine |
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