CN210896217U

CN210896217U - Adjustable engine dismounting roll-over stand

Info

Publication number: CN210896217U
Application number: CN201920976561.3U
Authority: CN
Inventors: 赵海宾; 杨森
Original assignee: Hebei Jiaotong Vocational and Technical College
Current assignee: Hebei Jiaotong Vocational and Technical College
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-06-30
Anticipated expiration: 2029-06-26

Abstract

The utility model provides an engine dismouting roll-over stand with adjustable belongs to engine rack field, including base, engine coupling mechanism, a elevating system and secondary elevating system. The base is provided with a first upright post. The engine connecting mechanism is arranged on the first upright post in a sliding manner. The primary lifting mechanism is arranged on the base. The secondary lifting mechanism comprises a traction assembly and two swinging support rods, the two swinging support rods are hinged to the lifting end of the primary lifting mechanism respectively and supported between the lifting end and the engine connecting mechanism at included angles with the vertical direction respectively, and the traction assembly is connected between the two swinging support rods and used for drawing the swinging support rods to swing towards the vertical state. The utility model discloses an engine dismouting roll-over stand with adjustable, operator alright with the slope state that utilizes the tractive subassembly to swing the vaulting pole by being the contained angle with vertical direction tractive to vertical state gradually for the swing vaulting pole promotes engine coupling mechanism along first stand, realizes the lifting of engine.

Description

Adjustable engine dismounting roll-over stand

Technical Field

The utility model belongs to the technical field of the engine platform frame, more specifically say, relate to an engine dismouting roll-over stand with adjustable.

Background

In order to improve the practical ability of students and enhance the professional knowledge of the students, the students in the professional field of automobile repair usually carry out the disassembly and assembly training of the engine when in class, and the engine needs to be fixed by a roll-over stand when being disassembled and assembled in order to facilitate the operation.

Most of the currently used roll-over stands are fixed in height, and after an engine is installed on the roll-over stand, the height of the engine cannot be adjusted, so that inconvenience is caused to some experiments. Some roll stands have also been developed that use hydraulic cylinders to raise and lower the engine. One type of roll-over stand adopting a hydraulic cylinder needs to be externally connected with a hydraulic pipeline for lifting, so that the use place of the roll-over stand is greatly limited; the other mode is that an operator needs to manually pump hydraulic oil to lift, and the lifting speed is slow and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine dismouting roll-over stand with adjustable to solve the roll-over stand that adopts the pneumatic cylinder that exists among the prior art, external hydraulic line leads to the use place limited, and manual pump sending hydraulic oil leads to the slow technical problem of speed of lift.

In order to achieve the above object, the utility model adopts the technical scheme that an adjustable engine dismouting roll-over stand is provided, include:

the base is provided with a first upright post;

the engine connecting mechanism is arranged on the first upright post in a sliding manner;

the primary lifting mechanism is arranged on the base; and

the secondary lifting mechanism comprises a traction assembly and two swinging support rods, the two swinging support rods are hinged to the lifting end of the primary lifting mechanism respectively and supported between the lifting end and the engine connecting mechanism at included angles with the vertical direction respectively, and the traction assembly is connected between the two swinging support rods and used for traction of the swinging support rods to swing towards the vertical state.

Further, the engine connection mechanism includes:

the lifting sliding sleeve is arranged on the first upright post; and

and the overturning connecting structure is connected with the lifting sliding sleeve and is used for being connected with the end face of the engine.

Further, the flip-flop connection structure includes:

the worm and gear assembly is connected with the lifting sliding sleeve and comprises a worm gear and a worm; and

and the connecting assembly is coaxially connected with the worm wheel and is used for being connected with the end face of the engine.

Further, the connection assembly includes:

the connecting disc is coaxially connected with the worm wheel, and the disc surface of the connecting disc is vertically arranged; and

the connecting rod is rotatably connected to the disc surface of the connecting disc, the rotating plane of the connecting rod is parallel to the disc surface of the connecting disc, and the end part of the connecting rod is provided with a bolt hole used for being connected with the end face of an engine.

Furthermore, the engine connecting mechanism also comprises a horizontal transverse plate connected with the lifting sliding sleeve;

the swing stay includes:

the swing rod is arranged at an included angle with the vertical direction, and the lower end of the swing rod is hinged with the lifting end; and

and the sliding seat is hinged with the upper end of the swing rod and horizontally slides along the lower side plate surface of the horizontal transverse plate.

Further, two swing vaulting poles include respectively the pendulum rod with the seat that slides, the tip of horizontal diaphragm is equipped with and is used for restricting one the seat that slides is in keeping away from another the baffle of the extreme position in the direction of the seat that slides.

Further, two swing vaulting poles include respectively the pendulum rod with the seat that slides, the pulling component includes:

and two ends of the traction rod are respectively in threaded connection with the two sliding seats through threads with opposite rotating directions.

Furthermore, the upper side plate surface of the horizontal transverse plate forms an object placing platform.

Further, engine dismouting roll-over stand with adjustable still includes:

the second upright column is arranged on the base and forms an engine accommodating space with the engine connecting mechanism; and

and the bearing component is arranged on the second upright post in a sliding manner and is used for supporting the bottom of the engine.

Further, the racking assembly comprises:

the lockable sliding sleeve is sleeved on the second upright post in a sliding manner; and

and the supporting rod is connected with the lockable sliding sleeve and is positioned below the engine accommodating space.

The utility model provides an engine dismouting roll-over stand with adjustable's beneficial effect lies in: compared with the prior art, the utility model discloses engine dismouting roll-over stand with adjustable through setting up primary elevating system and secondary elevating system, all can promote engine coupling mechanism and drive the engine and go up and down. Secondary elevating system adopts tractive subassembly and two swing vaulting poles, need not external hydraulic line, also need not manual pump sending hydraulic oil, operator alright with utilize the tractive subassembly with the swing vaulting pole by the tilt state that is the contained angle with vertical direction tractive to vertical state gradually for the swing vaulting pole promotes engine coupling mechanism along first stand fast, realizes the lifting of engine.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an adjustable engine dismounting/mounting overturning frame in a descending state according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the adjustable engine mounting and dismounting flip frame of FIG. 1 in a raised state;

fig. 3 is a side view of fig. 2.

Wherein, in the figures, the respective reference numerals:

1-a base; 11-a first upright; 12-a second upright; 2-an engine connection mechanism; 21-lifting sliding sleeves; 22-flip-connect configuration; 221-a worm gear; 222-a worm; 223-connecting disc; 224-a connecting rod; 23-horizontal transverse plate; 231-a placement platform; 24-a baffle; 3-a primary lifting mechanism; 4-a secondary lifting mechanism; 41-swinging support rods; 411-a swing rod; 412-a glide seat; 42-a pulling assembly; 421-a traction rod; 5-a holding component; 51-lockable sliding sleeves; 52-a supporting rod; 6-engine.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 3, an adjustable engine dismounting roll-over stand according to an embodiment of the present invention will be described. An adjustable engine dismounting and mounting turnover frame comprises a base 1, an engine connecting mechanism 2, a primary lifting mechanism 3 and a secondary lifting mechanism 4.

The base 1 is provided with a first upright 11. The engine connecting mechanism 2 is slidably disposed on the first pillar 11. The primary lifting mechanism 3 is arranged on the base 1. The secondary lifting mechanism 4 comprises a pulling component 42 and two swinging support rods 41, the two swinging support rods 41 are respectively hinged on the lifting end of the primary lifting mechanism 3 and respectively supported between the lifting end and the engine connecting mechanism 2 at included angles with the vertical direction, and the pulling component 42 is connected between the two swinging support rods 41 and is used for pulling the swinging support rods 41 to swing towards the vertical state.

Compared with the prior art, the utility model discloses engine dismouting roll-over stand with adjustable, through setting up elevating system 3 and secondary elevating system 4 once, the homoenergetic promotes engine coupling mechanism 2 and drives 6 lifts of engine. The secondary lifting mechanism 4 adopts the traction component 42 and the two swinging support rods 41, an external hydraulic pipeline is not needed, and hydraulic oil is not needed to be pumped manually, so that an operator can utilize the traction component 42 to gradually pull the swinging support rods 41 to a vertical state from an inclined state forming an included angle with the vertical direction, the swinging support rods 41 push the engine connecting mechanism 2 up along the first upright post 11, and the engine 6 is lifted. When the lifting device is used, an operator can also operate the primary lifting mechanism 3 and the secondary lifting mechanism 4 at the same time, so that the lifting of the engine 6 is further accelerated.

Specifically, the base 1 is in the form of a horizontal flat plate, and an oil receiving groove is formed in the top surface of the base and used for receiving oil and the like falling from the engine 6. The first upright post 11 is vertically arranged on one side of the base 1. The two swinging support rods 41 are arranged in a V shape, and the pulling assembly 42 is located between the two swinging support rods 41 and used for pulling the two swinging support rods 41 towards each other, so that the swinging support rods 41 gradually swing from an inclined state forming an included angle with the vertical direction to a vertical state parallel to the vertical direction. The primary lifting mechanism 3 can adopt a hydraulic oil cylinder, and the primary lifting mechanism 3 can be adopted to lift the engine 6 at a place with a hydraulic pipeline.

Referring to fig. 1 to 3, as a specific embodiment of the adjustable engine dismounting roll-over stand provided by the present invention, the engine connecting mechanism 2 includes a lifting sliding sleeve 21 and a roll-over connecting structure 22.

The lifting sliding bush 21 is arranged on the first upright post 11. The turnover connecting structure 22 is connected with the lifting sliding sleeve 21 and is used for being connected with the end face of the engine 6.

Specifically, the overturning connecting structure 22 is fixed on the lifting sliding sleeve 21, so that the overturning connecting structure 22 can drive the engine 6 to lift along the first upright 11.

Referring to fig. 1 to 3, as a specific embodiment of the adjustable engine dismounting roll-over stand provided by the present invention, the roll-over connecting structure 22 includes a worm and gear assembly and a connecting assembly.

The worm and gear assembly is connected with the lifting sliding sleeve 21 and comprises a worm gear 221 and a worm 222. The connecting assembly is coaxially connected with the worm wheel 221 for connection with the end face of the engine 6.

Specifically, the worm gear assembly is fixed on the lifting sliding sleeve 21, a crank is arranged at one end of the worm 222, an operator can rotate the worm 222 through the crank, and the worm gear assembly is matched with the worm to drive the worm gear 221 and the connecting assembly to rotate together, so that the engine 6 on the connecting assembly is driven to overturn.

Referring to fig. 1 to 3, as a specific embodiment of the adjustable engine dismounting roll stand of the present invention, the connecting assembly includes a connecting plate 223 and a connecting rod 224.

The connecting disc 223 is coaxially connected with the worm wheel 221 and the disc surface is vertically arranged. The connecting rod 224 is rotatably connected to the disk surface of the connecting disk 223, the rotating plane is parallel to the disk surface of the connecting disk 223, and the end part is provided with a bolt hole for connecting with the end surface of the engine 6.

Specifically, the coupling plate 223 may be a disk coaxially fixing one end of the rotation shaft of the worm wheel 221. The connecting rod 224 is a long rod, one end of which is turned on the disk surface of the connecting disk 223 by a bolt, and the other end of which is provided with a bolt hole. During the use, make connection pad 223 descend through primary elevating system 3 and secondary elevating system 4, then through rotating connecting rod 224 for bolt hole on the connecting rod 224 aligns with the screwed hole on the engine 6 terminal surface, utilizes the bolt to be connected engine 6 and connecting rod 224, dies connecting rod 224 and connection pad 223 rotation lock through the bolt simultaneously, through the lifting of primary elevating system 3 and secondary elevating system 4 with engine 6 at last.

Referring to fig. 1 to 3, as a specific embodiment of the adjustable engine dismounting roll-over stand provided by the present invention, the engine connecting mechanism 2 further includes a horizontal cross plate 23 connected to the lifting sliding sleeve 21. The swing brace 41 includes a swing link 411 and a sliding seat 412. The swing rod 411 is arranged at an included angle with the vertical direction, and the lower end of the swing rod is hinged with the lifting end. The sliding seat 412 is hinged with the upper end of the swing rod 411 and slides horizontally along the lower side plate surface of the horizontal transverse plate 23.

Specifically, the two swing rods 411 are arranged in a V shape, and swing to the vertical state through the two swing rods 411, so as to push up the whole engine connecting mechanism 2 through the horizontal transverse plate 23, and further lift the engine 6. The sliding seat 412 is provided with a roller which rolls along the lower side plate surface of the horizontal transverse plate 23, so that the resistance is reduced.

Referring to fig. 1 to 3, as a specific embodiment of the adjustable engine dismounting roll-over stand provided by the present invention, the two swing supporting rods 41 respectively include a swing rod 411 and a sliding seat 412, and the end of the horizontal cross plate 23 is provided with a baffle 24 for limiting the limit position of one sliding seat 412 in the direction away from the other sliding seat 412. This arrangement can prevent the engine 6 from falling down due to an excessively large angle between the swing stays 41.

Specifically, the lower sides of the two ends of the horizontal cross plate 23 are respectively provided with a baffle plate 24, and the two sliding seats 412 are sandwiched by the two baffle plates 24, so that the maximum distance separating the two sliding seats 412 is limited. The two baffles 24 limit the maximum included angle between the two swing rods 411 to 90 degrees through the limiting sliding seat 412.

Referring to fig. 1 to 3, as a specific embodiment of the adjustable engine dismounting roll stand provided by the present invention, the two swing supporting rods 41 respectively include a swing rod 411 and a sliding seat 412, and the pulling assembly 42 includes a pulling rod 421. Two ends of the pulling rod 421 are respectively connected with the two sliding seats 412 by threads with opposite rotating directions.

When the swinging support rod device is used, the two sliding seats 412 are pulled towards each other by rotating the pulling rod 421, so that the swinging support rod 41 gradually swings towards the vertical state. Two ends of the pulling rod 421 pass through the baffle 24 respectively, and are provided with hand wheels for rotation.

Referring to fig. 1 to 3, as a specific embodiment of the adjustable engine dismounting roll-over stand of the present invention, an upper side plate of the horizontal cross plate 23 forms a platform 231. The upper side plate surface of the horizontal transverse plate 23 is horizontally used for placing tools for experiments and the like.

Referring to fig. 3, as a specific embodiment of the adjustable engine dismounting roll-over stand provided by the present invention, the adjustable engine dismounting roll-over stand further includes a second upright 12 and a supporting component 5.

The second upright 12 is arranged on the base 1 and forms an accommodating space for the engine 6 with the engine connecting mechanism 2. The supporting component 5 is arranged on the second upright 12 in a sliding way and is used for supporting the bottom of the engine 6.

Specifically, the second upright 12 is vertically fixed on the base 1. The first upright post 11 and the second upright post 12 are respectively located at two opposite sides of the base 1, and a certain distance is arranged between the first upright post and the second upright post, so that an engine 6 accommodating space is formed between the second upright post 12 and the engine connecting mechanism 2 and is used for accommodating the engine 6 fixed on the engine connecting mechanism 2. After the engine 6 is fixed on the engine connecting mechanism 2, the supporting component 5 is slid along the second upright 12 to the bottom of the engine 6, and then the supporting component 5 is locked with the second upright 12, so that the supporting component 5 supports the bottom of the engine 6.

In specific use, the engine 6 can be fixed on the engine connecting mechanism 2 firstly, then the engine 6 is lifted to a height slightly higher than a preset height through the primary lifting mechanism 3 and the secondary lifting mechanism 4, then the bearing component 5 is lifted to a height slightly lower than the bottom of the engine 6, and finally the engine 6 is lowered to the preset height through the secondary lifting mechanism 4, so that the engine connecting mechanism 2 and the bearing component 5 support the engine 6 together, and the engine 6 is more stable. When it is desired to turn the engine 6 over the inverted attachment structure 22, the bolster assembly 5 may be lowered, the engine 6 then turned over, and the bolster assembly 5 then raised to rest under the engine 6.

Referring to fig. 3, as an embodiment of the adjustable engine dismounting roll stand of the present invention, the supporting assembly 5 includes a lockable sliding sleeve 51 and a supporting rod 52.

The lockable sliding sleeve 51 is slidably sleeved on the second upright post 12. The supporting rod 52 is connected with the lockable sliding sleeve 51 and is positioned below the accommodating space of the engine 6.

Specifically, the supporting rod 52 may be horizontally fixed on the lockable sliding sleeve 51, and one end of the supporting rod 52 is located between the first upright 11 and the second upright 12, so that the supporting rod 52 can be lifted to a position below the accommodating space of the engine 6 by the lifting and lowering of the lockable sliding sleeve 51. The lockable sliding sleeve 51 can be formed by arranging a jackscrew on the side wall, so that the lockable sliding sleeve 51 can be locked on the second upright post 12, and the supporting rod 52 can be fixedly supported at the bottom of the engine 6.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an engine dismouting roll-over stand with adjustable which characterized in that includes:

the base is provided with a first upright post;

the primary lifting mechanism is arranged on the base; and

2. The adjustable engine disassembly roll-over stand of claim 1, wherein the engine attachment mechanism comprises:

the lifting sliding sleeve is arranged on the first upright post; and

3. The adjustable engine disassembly roll-over stand of claim 2, wherein the roll-over connection structure comprises:

4. The adjustable engine disassembly roll-over stand of claim 3, wherein the connection assembly comprises:

5. The adjustable engine disassembly roll-over stand of claim 2, wherein the engine connection mechanism further comprises a horizontal cross plate connected with the lifting sliding sleeve;

the swing stay includes:

6. The adjustable engine dismounting and mounting roll-over stand as claimed in claim 5, wherein two of said swinging support rods respectively comprise said swinging rod and said sliding seats, and a baffle plate for limiting the limit position of one of said sliding seats in the direction away from the other of said sliding seats is provided at the end of said horizontal cross plate.

7. The adjustable engine dismounting roll-over stand of claim 5, wherein two of said swinging support rods respectively comprise said swing link and said sliding seat, and said pulling assembly comprises:

8. The adjustable engine dismounting and mounting rollover stand according to claim 5, wherein the upper side plate surface of the horizontal cross plate forms a storage platform.

9. The adjustable engine disassembly roll-over stand of any of claims 1 to 8, further comprising:

10. The adjustable engine disassembly roll-over stand of claim 9, wherein the bolster assembly comprises: