CN218708878U

CN218708878U - Lifting device based on engineering mechanics

Info

Publication number: CN218708878U
Application number: CN202222913763.8U
Authority: CN
Inventors: 袁天爱
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-24
Anticipated expiration: 2032-11-03

Abstract

The utility model belongs to the technical field of elevating gear, especially, an elevating gear based on engineering mechanics, to current rigidity not enough, prevent empting the effect poor, can not satisfy the problem of using when lifting stability requirement height, the scheme as follows is put forward now, and it includes the main part, four stands of top four corners fixedly connected with and four cylinders of main part, four the same elevating platform of cylindrical outside sliding connection, elevating platform fixedly connected with lifting unit, the both sides of main part all are fixed with the channel-section steel, the both ends of channel-section steel all are rotated and are connected with square pipe, the one end threaded connection of square pipe has lifting subassembly, four the equal fixedly connected with supporting component in both sides of stand. The utility model discloses well elevating platform slides on the stand, and whole rigidity is good, is equipped with supporting component and prevents empting the effect poor, and precision is guaranteed with the nut to the lead screw, lifts in-process stability height, convenient transportation.

Description

Lifting device based on engineering mechanics

Technical Field

The utility model relates to a elevating gear technical field especially relates to an elevating gear based on engineering mechanics.

Background

Engineering mechanics is a traditional dominant subject in China and has a wide research range. From rigid mechanical motion to deformed complex medium motion, from a pure mechanical world to interaction of mechanical and processes such as physics, chemistry and biology, and from various industries such as aerospace, aviation, civil engineering, roads and bridges to everywhere, there are mechanical figure.

Many local medicines are to elevating gear in the engineering, and current elevating gear function is loaded down with trivial details, but most rigidity is not enough, prevents empting the effect poor, can not satisfy the use when lifting stability requires highly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of insufficient rigidity, poor anti-toppling effect and poor lifting stability in the prior art, and providing a lifting device based on engineering mechanics.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a elevating gear based on engineering mechanics, includes the main part, four stands of top four corners fixedly connected with of main part and four cylinders, two stand and two cylindrical top fixedly connected with square plate, four cylindrical outside sliding connection has same elevating platform, open there is the counter bore elevating platform bottom both sides, the elevating platform opens the downthehole fixedly connected with lifting unit that has, the both sides of main part all are fixed with the channel-section steel, the both ends of channel-section steel are all rotated and are connected with square pipe, the one end threaded connection of square pipe has the lifting subassembly, four the equal fixedly connected with supporting component in both sides of stand, the top of elevating platform is fixedly connected with detachable guardrail all around.

Preferably, the lifting component is including two nuts of elevating platform counter bore fixed connection, nut threaded connection has the screw rod, the top outside and the square plate of screw rod rotate to be connected, the bottom outside and the main part of screw rod rotate to be connected, open the main part bottom has the square groove, the bottom of screw rod extends to the square groove of main part bottom in, one side fixedly connected with fixed plate of main part, the inside through-hole that opens of fixed plate, fixed plate top fixed mounting has the rotating electrical machines, the output shaft of rotating electrical machines passes through the first gear of the inside through-hole fixedly connected with of fixed plate, two the screw rod bottom all is connected with the second gear, first gear and the meshing of a second gear, two the equal fixed mounting in top of second gear has the synchronizing wheel, and the cover is equipped with hold-in range, two between two synchronizing wheels the equal fixedly connected with fixed block in the outside of nut, one side and the elevating platform fixed connection that the fixed block is close to each other.

Preferably, the lifting subassembly includes the round bar with square pipe one end threaded connection, the outside of round bar is equipped with the screw thread, the top fixedly connected with handle of round bar, round bar top fixedly connected with lower margin, the threaded connection that the round bar is located square pipe top has the locking ring, it has four individual U-shaped grooves to open in the middle of the channel-section steel.

Preferably, the supporting component comprises second supporting legs fixedly connected with two sides of the stand column, the second supporting legs are made of channel steel, one ends of the second supporting legs are provided with notches, the bottoms of two sides of the second supporting legs are both fixed with first supporting legs, and the bottoms of the first supporting legs are parallel to the ground.

Preferably, the rotating connection position of the top outer side of the screw rod and the square plate is provided with a bearing, and the rotating connection position of the bottom outer side of the screw rod and the main body is provided with a bearing.

Preferably, four wheels are fixedly connected to four corners of the bottom of the main body, two of the four wheels are directional wheels, and two of the four wheels are universal wheels.

The utility model discloses in, a elevating gear beneficial effect based on engineering mechanics is: by unscrewing the locking ring, the lifting assembly can be unfolded, the rotating handle and the four wheels are separated from the ground, the supporting assemblies and the adjusting handle are fixed on the four stand columns in a line-by-line mode, the bottoms of the supporting assemblies and the ground feet simultaneously land on the ground, articles are placed on the lifting platform, the rotating motor is controlled to rotate forwards, the lifting platform rises, the rotating motor rotates backwards, and the lifting platform falls.

The utility model discloses well elevating platform slides on the stand, and whole rigidity is good, is equipped with supporting component and prevents empting the effect poor, and precision is guaranteed with the nut to the lead screw, lifts in-process stability height, convenient transportation.

Drawings

Fig. 1 is a schematic view of a front view structure of a lifting device based on engineering mechanics;

fig. 2 is a schematic structural view of the lifting device based on engineering mechanics during transportation according to the present invention;

fig. 3 is a schematic structural view of a lifting assembly of a lifting device based on engineering mechanics;

fig. 4 is a schematic structural view of a supporting component of a lifting device based on engineering mechanics;

fig. 5 is an enlarged schematic structural diagram of a part a of the lifting device based on engineering mechanics.

In the figure: 1. a main body; 2. a column; 3. a lifting assembly; 301. a fixing plate; 302. a rotating electric machine; 303. a first gear; 304. a second gear; 4. a lifting platform; 5. channel steel; 501. a U-shaped groove; 6. a square tube; 7. a lifting assembly; 701. a round bar; 702. ground feet; 703. locking a ring; 704. a handle; 8. a support assembly; 801. a first leg; 802. a second leg; 8021. a notch; 9. a guardrail; 10. a screw; 11. a fixed block; 12. a nut; 13. a bearing; 14. a wheel; 15. a cylinder; 16. a square plate; 17. and (4) a synchronous belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-5, a elevating gear based on engineering mechanics, including main part 1, four stands of top four corners fixedly connected with 2 of main part 1 and four cylinders 15, the top fixedly connected with square plate 16 of two stands 2 and two cylinders 15, four cylinders 15's the same elevating platform 4 of outside sliding connection, open the counter bore in 4 bottom both sides of elevating platform, fixedly connected with lifting unit 3 in the counter bore that elevating platform 4 opened has, the both sides of main part 1 all are fixed with channel-section steel 5, the both ends of channel-section steel 5 all rotate and are connected with square pipe 6, the one end threaded connection of square pipe 6 has lifting unit 7, the equal fixedly connected with supporting component 8 in both sides of four stands 2, fixedly connected with detachable guardrail 9 all around the top of elevating platform 4.

Example two

1-5, improve on the basis of embodiment one: a lifting device based on engineering mechanics comprises a main body 1, four upright posts 2 and four cylinders 15 are fixedly connected to four corners of the top of the main body 1, square plates 16 are fixedly connected to the tops of the two upright posts 2 and the two cylinders 15, the outer sides of the four cylinders 15 are slidably connected with the same lifting platform 4, the lifting platform 4 is arranged on the cylinders 15, the stability is good, counter bores are formed in two sides of the bottom of the lifting platform 4, lifting components 3 are fixedly connected into the counter bores formed in the lifting platform 4, the lifting components 3 comprise two nuts 12 fixedly connected with the counter bores of the lifting platform 4, the nuts 12 are in threaded connection with a screw 10, the screw 10 is matched with the nuts 12, the precision is high, the outer side of the top of the screw 10 is rotatably connected with the square plates 16, the outer side of the bottom of the screw 10 is rotatably connected with the main body 1, a square groove is formed in the bottom of the main body 1, the bottom of the screw 10 extends into the square groove in the bottom of the main body 1, bearings 13 are arranged at the rotating connection of the outer side of the top of the screw 10 and the square plates 16, bearings 13 are arranged at the rotating connection with two synchronous gears 304, a fixing plate 304 which two synchronous gears are arranged on the synchronous gear fixing block 304, two synchronous gears 17, two synchronous gears are arranged on the synchronous pulley 304, two synchronous pulleys 304 connected with a synchronous pulley 304, two synchronous pulley 304, a synchronous pulley 304 arranged on the synchronous pulley 304, two synchronous pulley 304 connected with a synchronous pulley 304, a synchronous pulley 304 arranged on the synchronous pulley 304, the both ends of channel-section steel 5 all rotate and are connected with square pipe 6, the one end threaded connection of square pipe 6 has lifting subassembly 7, lifting subassembly 7 includes round bar 701 with 6 one end threaded connection of square pipe, the outside of round bar 701 is equipped with the screw thread, the top fixedly connected with handle 704 of round bar 701, round bar 701 top fixedly connected with lower margin 702, the threaded connection that round bar 701 is located square pipe 6 top has locking ring 703, open four individual U-shaped grooves 501 in the middle of channel-section steel 5, adjustment handle 704, make wheel 14, rotatory lifting subassembly 7, make round bar 701 block in the U-shaped groove 501, screw up 703 and fix round bar locking ring, can use the whole elevating gear of convenient transfer of wheel 14 this moment, the equal fixedly connected with supporting component 8 in both sides of four stands 2, supporting component 8 includes the second landing leg 802 with 2 both sides fixed connection, second landing leg 802 is made for the channel-section steel, the one end of second landing leg 802 is opened has breach 8021, the both sides bottom of second landing leg 802 all is fixed with first landing leg 801, there is parallel to ground bottom 801, play the effect of strengthening whole anti-tilting, the fixed connection of 4 top is connected with the guardrail through the screw, can protect four main wheels to carry out the convenience and carry out the transportation in the four corners and carry out the fixed connection of four wheels, 14, the main part of the universal wheel 14, four wheels of the convenient transport in-process, four wheels.

The utility model discloses the theory of operation is: when the lifting device is used, the locking ring 703 is unscrewed to unfold the lifting assembly 7, the handle 704 is rotated to separate the four wheels 14 from the ground, the support assemblies 8 are fixed on the four upright posts 2 in rows, then the handle 704 is adjusted to land the bottoms of the support assemblies 8 and the ground feet 702 at the same time, the wheels 14 are separated from the ground, an object or person to be lifted is placed on the lifting platform 4, the guardrail 9 is installed, the rotating motor 302 is controlled to rotate forwards, the output shaft of the rotating motor 302 drives the first gear 303 to rotate, the first gear 303 drives the second gear 304 to rotate, the two second gears 304 drive the two screw rods 10 to rotate synchronously under the action of the synchronous belt 17, the two nuts 12 rise on the screw rods 10, the lifting platform 4 rises, when the lifting device needs to descend, the rotating motor 302 is controlled to rotate reversely, the lifting platform 4 descends, when the lifting device is used, the rotating motor 302 is closed, the first folding supporting leg 801 and the second supporting leg 802 are detached and are vertically fixed on the upright posts 2, the handle 704 is adjusted to rotate the wheels 14, the lifting assembly 7, so that the round rods 701 are clamped into the U-shaped grooves 501, the round rods are screwed tightly, and the locking ring 703 is fixed, and the lifting device 701 can be conveniently transferred.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a lifting device based on engineering mechanics, includes main part (1), its characterized in that, four stands (2) of top four corners fixedly connected with of main part (1) and four cylinder (15), two stand (2) and two top fixedly connected with square plate (16), four the outside sliding connection of cylinder (15) has same elevating platform (4), open elevating platform (4) bottom both sides has the counter bore, fixedly connected with lifting unit (3) in the counter bore that elevating platform (4) were opened, the both sides of main part (1) all are fixed with channel-section steel (5), the both ends of channel-section steel (5) all rotate and are connected with square pipe (6), the one end threaded connection of square pipe (6) has lifting subassembly (7), four the equal fixedly connected with supporting component (8) in both sides of stand (2), fixedly connected with detachable guardrail (9) all around the top of elevating platform (4).

2. An elevating device based on engineering mechanics according to claim 1, the lifting component (3) comprises two nuts (12) fixedly connected with counter bores of the lifting platform (4), the nut (12) is in threaded connection with a screw rod (10), the outer side of the top of the screw rod (10) is rotationally connected with a square plate (16), the outer side of the bottom of the screw rod (10) is rotationally connected with the main body (1), a square groove is formed at the bottom of the main body (1), the bottom of the screw rod (10) extends into the square groove at the bottom of the main body (1), one side of the main body (1) is fixedly connected with a fixing plate (301), a through hole is arranged in the fixed plate (301), a rotating motor (302) is fixedly arranged at the top of the fixed plate (301), the output shaft of the rotating motor (302) is fixedly connected with a first gear (303) through a through hole in the fixing plate (301), the bottoms of the two screw rods (10) are both connected with a second gear (304), the first gear (303) is meshed with one second gear (304), the tops of the two second gears (304) are fixedly provided with synchronous wheels, a synchronous belt (17) is sleeved between the two synchronous wheels, the outer sides of the two nuts (12) are fixedly connected with fixed blocks (11), one side of the fixed block (11) close to each other is fixedly connected with the lifting platform (4).

3. An elevating device based on engineering mechanics according to claim 1, characterized in that, the lifting assembly (7) includes a round bar (701) which is connected with one end of the square pipe (6) by screw thread, the outside of the round bar (701) is provided with screw thread, the top of the round bar (701) is fixedly connected with a handle (704), the top of the round bar (701) is fixedly connected with ground feet (702), the screw thread of the round bar (701) above the square pipe (6) is connected with a locking ring (703), and the middle of the channel steel (5) is provided with four U-shaped grooves (501).

4. An elevating device based on engineering mechanics as claimed in claim 1, characterized in that, the supporting component (8) includes the second leg (802) fixedly connected with both sides of the upright column (2), the second leg (802) is made of channel steel, one end of the second leg (802) is provided with a gap (8021), the bottom of both sides of the second leg (802) is fixed with the first leg (801), and the bottom of the first leg (801) is parallel to the ground.

5. The lifting device based on engineering mechanics of claim 2, characterized in that a bearing (13) is arranged at the rotary joint of the top outer side of the screw (10) and the square plate (16), and a bearing (13) is arranged at the rotary joint of the bottom outer side of the screw (10) and the main body (1).

6. The lifting device based on engineering mechanics of claim 1, characterized in that four wheels (14) are fixedly connected to four corners of the bottom of the main body (1), two of the four wheels (14) are directional wheels, and two are universal wheels.