CN112265935A

CN112265935A - Machine of lifting with locking function

Info

Publication number: CN112265935A
Application number: CN202011137671.4A
Authority: CN
Inventors: 王学荣
Original assignee: Taicang Chengming Hydraulic Machinery Co ltd
Current assignee: Taicang Chengming Hydraulic Machinery Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-01-26

Abstract

The invention discloses a lifter with locking function, comprising: a base; the lifting mechanism is arranged on the base and comprises a rotating shaft which is rotatably connected with the base, and the lifting mechanism can move up and down in a vertical plane around the rotating shaft; a lock bar rotatably connected to a side surface of the lifting mechanism; set up in on the base with the locking lever is located the locked groove of lifting mechanism's homonymy, just the extending direction of locked groove with the extending direction of locking lever is located the coplanar, the locking lever can rotate to inserting and arrange in the locked groove and with the locked groove is inconsistent. Through the cooperation of locking lever and locked groove, play the effect of locking to lifting mechanism's lift position, improve lifting mechanism's stability.

Description

Machine of lifting with locking function

Technical Field

The invention relates to the field of automobile lifting, in particular to a lifting machine with a locking function.

Background

The automobile lifter is automobile protecting equipment for automobile lifting in automobile maintenance industry. The lifting machine plays a crucial role in automobile maintenance, and the lifting machine cannot be used for the whole automobile major repair or minor repair maintenance. The quality and the property of the product directly affect the personal safety of maintenance personnel. In maintenance enterprises of various scales, a comprehensive repair shop for repairing a plurality of vehicle models or a street shop (e.g., a tire shop) having a single operation range is equipped with a lift.

In the existing lifting machine, two supporting platforms are generally included, and both supporting platforms are controlled by separate lifting cylinders. In the use process of the lifting machine, the stability of the supporting platform cannot be guaranteed, and potential safety hazards exist.

Disclosure of Invention

In order to overcome the defects in the prior art, embodiments of the present invention provide a lifting machine with a locking function, which can lock a lifting position, thereby improving the stability of a lifting mechanism.

In order to achieve the purpose, the invention adopts the technical scheme that: a lifter with a locking function, comprising:

a base;

the lifting mechanism is arranged on the base and comprises a rotating shaft which is rotatably connected with the base, and the lifting mechanism can move up and down in a vertical plane around the rotating shaft;

a lock bar rotatably connected to a side surface of the lifting mechanism;

set up in on the base with the locking lever is located the locked groove of lifting mechanism's homonymy, just the extending direction of locked groove with the extending direction of locking lever is located the coplanar, the locking lever can rotate to inserting and arrange in the locked groove and with the locked groove is inconsistent.

In the above technical scheme, the end of the lock rod facing the lock groove is provided with a limit column.

In the technical scheme, one end of the lock rod, which faces the lock groove, is also provided with a sliding lock structure, and the sliding lock structure is coated outside the limiting column in the lifting process of the lifting mechanism.

In the above technical scheme, the sliding lock structure includes a fixing seat, and is rotationally connected to the lock protection block in the fixing seat, and the lock protection block can rotate to the outside of the limiting column.

In the above technical scheme, the lock groove comprises a groove seat, a plurality of limiting blocks are arranged along the extending direction of the groove seat, and a limiting groove used for the lock rod to be inserted is formed between the adjacent limiting blocks.

In the above technical solution, the lifting mechanism includes at least one set of support members disposed on the base, and one set of the support members includes two support members disposed in parallel with each other and a connecting rod connected between the two support members in the same set.

In the technical scheme, one side of the connecting rod is provided with a rotary connecting seat connected with the locking rod, and the locking rod is perpendicular to the connecting rod.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. according to the invention, the lock rod is matched with the lock groove, and when the lifting mechanism reaches the target lifting position, the lock rod is rotated to be inserted into the lock groove, so that locking is realized, the position of the lifting mechanism is prevented from being changed in the use process, and the stability of the lifting machine in the use process is improved.

2. One end of the lock rod is provided with a sliding lock structure which can not be limited in the lock groove, so that the sliding lock structure can be arranged outside the limiting column in the using process, the limiting column is prevented from being locked in the lock groove, and the normal use of the lifting mechanism is prevented from being influenced.

In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a lift of the present invention in use;

FIG. 2 is a schematic view of the lift of the present invention in a retracted state;

FIG. 3 is a schematic view of the locking mechanism of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

Reference numerals of the above figures: 1. a base; 11. a receiving groove; 12. a car leader board; 2. a lifting mechanism; 21. a support member; 211. a support bar; 212. a support platform; 213. a rotating shaft; 22. a connecting rod; 23. a cylinder; 231. a telescopic rod; 24. a first rotating base; 25. a second rotary base; 3. a locking mechanism; 31. a lock lever; 311. a limiting column; 312. a fixed seat; 313. a lock protection block; 314. a rotating connecting seat; 32. locking the groove; 321. a slot seat; 322. a limiting block; 323. a limiting groove; 4. a moving mechanism; 41. a towing bracket; 411. connecting holes; 42. a moving assembly; 421. a support; 422. a groove; 423. a pin rod; 424. a strut; 425. a roller; 426. a fixing sheet; 427. and (4) rotating the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 to 4, a lifting machine includes a base 1, a lifting mechanism 2 disposed on the base 1 for lifting an object to be lifted thereon, a locking mechanism 3 connected to the lifting mechanism 2 for locking a lifting position of the lifting mechanism 2, and a moving mechanism 4 disposed on the base 1 for moving the lifting machine.

The lifting mechanism 2 comprises at least one group of supporting pieces 21 arranged on the base 1, two supporting pieces 21 arranged in parallel are arranged in one group of supporting pieces 21, and one end of each supporting piece 21 is rotatably connected with the base 1;

a connecting rod 22 connected between two of the supporting members 21 of the same group;

and the driving mechanism is connected with the connecting rod 22 and can drive the connecting rod 22 to drive the two supporting pieces 21 to synchronously do lifting motion.

A connecting rod 22 is connected between two support members 21 arranged parallel to each other, which enhances the rigidity of the entire lifter.

The driving mechanism is an air cylinder 23, the end of the air cylinder 23 is rotatably connected with the base 1, the telescopic rod 231 of the air cylinder 23 is rotatably connected with the connecting rod 22, and the extending direction of the air cylinder 23 is parallel to the rotating surface where the supporting member 21 is located. Specifically, a first rotating base 24 may be disposed in the middle of the connecting rod 22, and the telescopic rod 231 is sleeved on the rotating shaft of the first rotating base 24. A second rotating base 25 opposite to the first rotating base 24 is arranged on the base 1, and the end of the cylinder 23 is sleeved on a rotating shaft of the second rotating base 25. The air cylinders 23 are connected with the connecting rods 22, so that the supporting piece 21 is independently controlled by each air cylinder 23, and the air cylinders 23 can simultaneously enable the two supporting pieces 21 which are arranged in parallel to each other to synchronously do lifting motion, the using number of the air cylinders 23 is reduced, and the production cost of enterprises is reduced.

Referring to fig. 1 and 2, the two supporting members 21 in the same group can synchronously perform circular motion upwards from being accommodated in the base 1 to departing from the base 1 along with the extension of the telescopic rod 231. When the cylinder 23 is in an inoperative state, the support 21 is accommodated on the base 1; after the cylinder 23 is started, the telescopic rod 231 extends outwards to apply a thrust to the connecting rod 22 connected with the telescopic rod, and because one end of the supporting piece 21 is rotatably connected with the base 1, the two supporting pieces 21 synchronously move around the end connected with the base 1 in an arc-shaped ascending manner under the driving of the connecting rod 22, so that the upward ascending is realized. Similarly, when the telescopic rod 231 is retracted inward, the cylinder 23 applies a pulling force to the connecting rod 22, so that the connecting rod 22 drives the two supporting members 21 to perform circular descending motion synchronously towards the base 1.

Referring to fig. 1, the support 21 includes a support rod 211, one end of the support rod 211 is rotatably connected to the base 1, and the other end of the support rod 211 is fixedly connected to a support platform 212. The supporting platforms 212 are in a long strip shape, and two ends of each supporting platform 212 in the extending direction are provided with a supporting rod 211. The stability of the support platform 212 during the lifting process is ensured. The base 1 is provided with a receiving groove 11 of a supporting member 21, the supporting rod 211 comprises a rotating shaft 213 arranged in the receiving groove 11, and the rotating shaft 213 is parallel to the connecting rod 22. The supporting rod 211 moves toward the accommodating groove 11 along with the rotation of the rotating shaft 213 until the supporting rod 211 is accommodated in the accommodating groove 11. The receiving grooves 11 may be disposed in parallel at both sides of the base 1. Car guide plates 12 are respectively provided at both ends of the accommodating groove 11. In the stowed position, the fuse panels 12 at both ends are connected to the support platform 212.

In a preferred embodiment, a set of supporting members 21 is included, and the rotation plane formed by two supporting members 21 in the set of supporting members 21 is two parallel planes. The link 22 extends in a direction perpendicular to both of the planes of rotation. And the extension direction of the connecting rod 22 is perpendicular to the extension direction of the cylinder 23.

Further, the connecting rod 22 is connected between the two supporting platforms 212 of the same set of supporting members 21, and is perpendicular to the extending direction of the two supporting platforms 212, and the connecting rod 22 is located in the middle section of the supporting platform 212.

Referring to fig. 3, the locking mechanism 3 includes a lock lever 31 rotatably connected to a side surface of the lifting mechanism 2; set up in on the base 1 with the locking lever 31 is located the locked groove 32 of lifting devices 2's homonymy, just the extending direction of locked groove 32 with the extending direction of locking lever 31 is located the coplanar, locking lever 31 can rotate to insert and arrange in the locked groove 32 and with the locked groove 32 is inconsistent.

Referring to fig. 1, a limiting column 311 is disposed at an end of the lock rod 31 facing the lock slot 32, and the limiting column 311 may be a cylinder, which is fixed at the end of the lock rod 31 and located at a lower portion of the end, and is disposed horizontally.

In order to avoid that the limiting column 311 on the lock rod 31 abuts against the lock groove 32 in the lifting process, so as to influence the normal operation of the lifting mechanism 2, a sliding lock structure is further arranged at one end of the lock rod 31 facing the lock groove 32. The sliding lock structure can rotate relative to the lock rod 31, and in the lifting process of the lifting mechanism 2, the sliding lock structure rotates to cover the outer side of the limiting column 311, so that the limiting column 311 cannot abut against the lock groove 32; after the lifting mechanism 2 is lifted to the target position, the slide lock structure is rotated upwards to be separated from the limiting column 311, so that the limiting column 311 can be rotated into the lock groove 32 under the driving of the lock rod 31 to realize locking.

Referring to fig. 1, the slide lock structure includes a fixing base 312 and a lock protection block 313 rotatably connected to the fixing base 312, wherein the lock protection block 313 can rotate relative to the fixing base 312 so as to be covered outside the limiting post 311. Specifically, the lock protection block 313 is L-shaped, and one end thereof is connected to the fixing seat 312, and when the lock protection block rotates to cover the outer side of the limiting post 311 and abuts against the limiting post 311, the outer edge thereof is an inclined surface structure and cannot be locked in the lock groove 32.

Referring to fig. 1, the locking groove 32 includes a groove seat 321, a plurality of stoppers 322 are disposed along an extending direction of the groove seat 321, and a stopper groove 323 for inserting the locking rod 31 is formed between adjacent stoppers 322. The plurality of limiting blocks 322 are arranged to form a plurality of limiting grooves 323, and the limiting columns 311 on the lock rod 31 can be inserted into different limiting grooves 323, so that the inclination angle of the lock rod 31 is changed, and the requirements of different lifting positions of the lifting mechanism 2 are met.

One side of the connecting rod 22 is provided with a rotary connecting seat 314 connected with the lock rod 31, and the lock rod 31 is perpendicular to the connecting rod 22. In a preferred embodiment, the lock lever 31 is disposed on a side of the lifting mechanism 2 where the center of gravity is biased.

Referring to fig. 1 and 4, the moving mechanism 4 includes a bracket 41 disposed on one side of the base 1, and a plurality of moving assemblies 42 are disposed side by side on the opposite side of the base 1;

the moving assembly 42 comprises a support 421 fixed on the base 1, the support 421 comprises a groove 422 with two open ends, the support 421 is detachably connected with a pin 423, the pin 423 is arranged in the groove 422 in a penetrating manner, one end of the pin 424 is provided with a roller 425, the pin 424 is rotatably connected with the support 421, the pin 424 can rotate in the groove 422, the roller 425 abuts against the ground and supports the base 1 when the pin 423 rotates to the position above the pin 423 and abuts against the pin 423.

When the lifting mechanism 2 is in use, the supporting rod 424 is horizontally disposed in the groove 422 and located below the pin 423, the pin 423 limits the rotation of the supporting rod 424 in the groove 422, and at this time, the roller 425 is suspended from the supporting rod 424 and disposed outside the base 1, so that the use of the lifting mechanism 2 is not affected. When the machine of lifting is moved in needs, when the position of adjustment machine of lifting, will pin 423 with the support 421 separation, thereby remove pin 423 to the restriction of branch 424 makes gyro wheel 425 contradicts with ground and supports the base 1, will again pin 423 is connected to limit on the support 421 the position of branch 424, thereby be convenient for gyro wheel 425 rolls on ground and drives the machine of lifting removes.

In a preferred embodiment, the support 421 includes two fixing plates 426 disposed in parallel and opposite to each other, the two fixing plates 426 form the groove 422 therebetween, and the extending direction of the groove 422 is perpendicular to the side of the bracket 41.

The pin 423 is inserted into the through hole of the fixing plate 426, and the pin 423 is perpendicular to the fixing plate 426. The rod 424 is rotatably connected to the support 421 via a rotating rod 427, the rotating rod 427 is parallel to the pin 423, and the height of the rotating rod 427 from the base 1 is smaller than the height of the pin 423 from the base 1. So that the rod 424 can be tilted when needed for movement.

In a preferred embodiment, the number of the moving assemblies 42 is two, and the two moving assemblies are oppositely arranged on two sides of the bracket 41 and form an isosceles triangle arrangement with the bracket 41.

The bracket 41 is provided with a connecting hole 411 for connecting a dragging device. After the dragging device is connected in the connecting hole 411, the side of the base 1 provided with the dragging frame 41 uses the roller 425 on the dragging device to separate the base 1 from the ground, so as to realize dragging of the lifter.

The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A lifter with a locking function is characterized by comprising:

a base;

a lock bar rotatably connected to a side surface of the lifting mechanism;

2. The lift with lock function according to claim 1, wherein: the end part of the lock rod facing the lock groove is provided with a limiting column.

3. A lifter with a lock function according to claim 2, characterized in that: one end of the lock rod, which faces the lock groove, is also provided with a sliding lock structure, and the sliding lock structure is coated outside the limiting column in the lifting process of the lifting mechanism.

4. A lifter with a lock function according to claim 3, characterized in that: the sliding lock structure comprises a fixing seat and a protection lock block which is rotatably connected in the fixing seat, and the protection lock block can rotate to the outside of the limiting column.

5. The lift with lock function according to claim 1, wherein: the locking groove comprises a groove seat, a plurality of limiting blocks are arranged along the extending direction of the groove seat, and a limiting groove used for inserting the locking rod is formed between every two adjacent limiting blocks.

6. The lift with lock function according to claim 1, wherein: the lifting mechanism comprises at least one group of supporting pieces arranged on the base, one group of supporting pieces comprise two supporting pieces arranged in parallel and connecting rods connected between the two supporting pieces in the same group.

7. The lift with lock function according to claim 6, wherein: and a rotary connecting seat connected with the locking rod is arranged on one side of the connecting rod, and the locking rod is perpendicular to the connecting rod.