CN212127393U

CN212127393U - Miniature lifting platform

Info

Publication number: CN212127393U
Application number: CN202020459120.9U
Authority: CN
Inventors: 孙广颖; 赵瑞林; 王怀绪; 祁洪军
Original assignee: Tianjin Gute Furnace Engineering Co ltd
Current assignee: Tianjin Gute Furnace Engineering Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-11
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a miniature lift platform, the on-line screen storage device comprises a base and a top plate, the bottom fixed mounting of base has damping device, the universal wheel is installed to damping device's bottom, the top of roof is provided with protector, the bottom fixed mounting of roof has the second fixed block, one side that the second fixed block was kept away from to the roof is provided with the second rack, fixed mounting has the second slide bar on the roof, sliding connection has the second slip subassembly on the second slide bar, the second slip subassembly includes the second sliding block, the second sliding block rotates with the second axis of rotation to be connected, fixedly connected with second gear in the second axis of rotation, the second gear meshes with the second rack mutually, be provided with the spacing cavity of second sliding block with second slide bar looks adaptation on the second sliding block, the bottom of second is provided with second through-hole and second recess. The utility model provides a pair of miniature lift platform, the security is high, and it is nimble convenient to use, uses manpower sparingly material resources, saves time, and the shock attenuation is effectual.

Description

Miniature lifting platform

Technical Field

The utility model relates to an elevator technical field especially relates to a miniature lift platform.

Background

The lifting platform is multifunctional hoisting loading and unloading mechanical equipment and can be divided into a fixed type, a movable type, a guide rail type, a crank arm type and the like, but the safety protection measures of the conventional lifting platform are insufficient, the size is large and heavy, the use is inconvenient, and the damping effect is poor.

SUMMERY OF THE UTILITY MODEL

To the not enough of background art, the utility model provides a miniature lift platform, the security is high, and it is nimble convenient to use, uses manpower and materials sparingly, saves time, and the shock attenuation is effectual.

In order to achieve the above object, the present invention provides the following technical solutions: a micro lifting platform comprises a base and a top plate, wherein a damping device is fixedly arranged at the bottom of the base, the bottom of the damping device is provided with universal wheels, the top of the top plate is provided with a protective device, a second fixed block is fixedly arranged at the bottom of the top plate, a second rack is arranged on one side of the top plate far away from the second fixed block, a second sliding rod is fixedly arranged on the top plate, a second sliding assembly is connected to the second sliding rod in a sliding manner, the second sliding component comprises a second sliding block which is rotationally connected with the second rotating shaft, a second gear is fixedly connected to the second rotating shaft and meshed with a second rack, the second sliding block is provided with a second limiting cavity matched with the second sliding rod, and the bottom of the second sliding block is provided with a second through hole and a second groove.

Adopt above-mentioned scheme, set up damping device and can avoid lift platform to take place acutely to rock at the removal in-process, set up protector and be favorable to improving the security of lift, set up the universal wheel and make things convenient for the operator to remove lift platform, the second sliding component drives the second gear rotation when moving on the second slide bar, and the second gear meshes with the second rack this moment mutually, prevents that second sliding component from moving speed too fast on the second slide bar.

Preferably, a fixed rod is fixedly installed between the two groups of second sliding assemblies, a connecting sleeve is arranged at the center of the fixed rod, a hydraulic rod is fixedly connected to the connecting sleeve, and the hydraulic rod is fixedly installed at the bottom of the top plate.

By adopting the scheme, the hydraulic rod can stretch out and draw back to drive the fixed rod to move, so that the second sliding assembly is driven to move on the second sliding rod.

Preferably, the damping device comprises a first connecting block fixedly installed at the bottom of the base, the bottom of the first connecting block is fixedly connected with a second connecting block, a second spring is sleeved on the second connecting block, the bottom of the second connecting block penetrates through the first supporting block to the inside of the second supporting block, one end of the second spring is fixedly connected with the bottom of the first connecting block, the other end of the second spring is fixedly connected with the top of the first supporting block, the bottom of the first supporting block is fixedly connected with the second supporting block, the second supporting block is connected with the second connecting block in a sliding way, a first spring is arranged in the second supporting block, one end of the first spring is fixedly connected with the bottom of the second connecting block, and the other end of the first spring is fixedly connected with the inner wall of the second supporting block.

Adopt above-mentioned scheme, under the natural state, first spring and second spring all are in compression state, and during the loading goods, base and first connecting block move down, can extrude first spring and second spring this moment and make its compression, and first spring and second spring can slow down the vibrations that base and first connecting block produced to protection lift platform.

Preferably, the top both sides fixed mounting of base has the fixed plate, the first slide bar of fixedly connected with on the fixed plate, the cover is equipped with first fixed block and first slip subassembly on the first slide bar, the bottom of first fixed block with base fixed connection, the top and the second connecting rod of first fixed block rotate to be connected, the other end of second connecting rod with the second slip subassembly rotates to be connected, first slip subassembly with first slide bar sliding connection, the top and the head rod of first slip subassembly rotate to be connected, the other end of head rod with the second fixed block rotates to be connected, the head rod with the second connecting rod passes through the cross axle and rotates to be connected.

By adopting the scheme, when the hydraulic rod is contracted, the fixed rod and the second sliding assembly are driven to move leftwards, so that the top of the second connecting rod is driven to move leftwards, and the bottoms of the first sliding assembly and the first connecting rod simultaneously move leftwards, so that the top plate is driven to vertically move upwards; when the hydraulic stem extends, drive dead lever and second slip subassembly and move to the right to drive the top of second connecting rod and move to the right, the bottom of first slip subassembly and first connecting rod moves to the right simultaneously, thereby impels the roof to move vertically downwards.

Preferably, first slip subassembly includes first sliding block, first sliding block rotates with first axis of rotation to be connected, the first gear of fixedly connected with on the first axis of rotation, first gear with the first rack that the fixed plate top set up meshes mutually, be provided with on the first sliding block with the first spacing cavity of first slide bar looks adaptation, the top of first sliding block is provided with first through-hole and first recess.

By adopting the scheme, when the hydraulic rod stretches out and draws back, the first sliding assembly moves in the horizontal direction, so that the first gear is driven to rotate, and the first sliding assembly can be prevented from moving too fast on the first sliding rod due to the meshed connection of the first gear and the first rack, so that the lifting speed of the lifting platform is limited.

Preferably, the protection device comprises an upright post fixedly installed on the top plate, a protective guard is fixedly installed on the upright post, a second threaded hole is formed in the upright post, a door plate is hinged to one side of the top plate, first threaded holes are formed in two sides of the door plate, and the first threaded holes are matched with the second threaded holes.

By adopting the scheme, the door plate is opened, goods are conveyed to the top plate by the door plate, the door plate and the stand column are fixed by the screws after the loading is completed, the protective guard is arranged, and the safety of the lifting platform is effectively improved.

Preferably, the handrail is fixedly installed on one side of the base.

By adopting the scheme, an operator can conveniently move the lifting platform by utilizing the handrail.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) set up damping device and can avoid lift platform to take place acutely to rock at the removal in-process, set up protector and be favorable to improving the security of lift.

(2) The first sliding assembly is matched with the first rack, and the second sliding assembly is matched with the second rack, so that the over-high lifting speed of the lifting platform is limited.

(3) The universal wheels are matched with the handrails, so that the lifting platform is flexible and convenient to use, manpower and material resources are saved, and time is saved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion at a position a in fig. 1.

Fig. 3 is a bottom view of the top plate of the present invention.

Fig. 4 is a cross-sectional view of a second sliding assembly according to the present invention.

Fig. 5 is a sectional view of the shock absorbing device of the present invention.

Fig. 6 is a perspective view of the protection device of the present invention.

Fig. 7 is a cross-sectional view of a first sliding assembly according to the present invention.

In the figure: 1. a fixing plate; 2. a first slide bar; 3. a universal wheel; 4. a damping device; 41. a first connection block; 42. a second connecting block; 43. a first support block; 44. a second support block; 45. a first spring; 46. a second spring; 5. a first fixed block; 6. a base; 7. a first slide assembly; 71. a first gear; 72. a first rotating shaft; 73. a first limiting cavity; 74. a first slider; 75. a first through hole; 76. a first groove; 8. a handrail; 9. a first connecting rod; 10. a second connecting rod; 11. a second slide assembly; 111. a second gear; 112. a second rotating shaft; 113. a second limiting cavity; 114. a second slider; 115. a second through hole; 116. a second groove; 12. a first rack; 13. a guard; 131. protecting the fence; 132. a column; 133. a door panel; 134. a first threaded hole; 135. a second threaded hole; 14. a top plate; 15. a second fixed block; 16. a hydraulic lever; 17. a second slide bar; 18. fixing the rod; 19. connecting sleeves; 20. a first rack; 21. the horizontal axis.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a micro lifting platform, which comprises a base 6 and a top plate 14, a damping device 4 is fixedly installed at the bottom of the base 6, a universal wheel 3 is installed at the bottom of the damping device 4, a protection device 13 is installed at the top of the top plate 14, a second fixed block 15 is fixedly installed at the bottom of the top plate 14, a second rack 12 is installed at one side of the top plate 14 away from the second fixed block 15, a second slide bar 17 is fixedly installed on the top plate 14, a second slide assembly 11 is slidably connected to the second slide bar 17, the second slide assembly 11 includes a second slide block 114, the second slide block 114 is rotatably connected to a second rotating shaft 112, a second gear 111 is fixedly connected to the second rotating shaft 112, the second gear 111 is engaged with the second rack 12, a second limiting cavity 113 adapted to the second slide bar 17 is installed on the second slide block 114, a second through hole 115 and a second groove 116 are installed at the bottom of the second slide block 114, one end of the second connecting rod 10 is disposed in the second groove 116, and the second connecting rod 10 is hinged to the second sliding block 114 through the second through hole 115.

Set up damping device 4 and can avoid lift platform to take place acutely to rock at the removal in-process, it is favorable to improving the security of lift to set up protector 13, set up universal wheel 3 and make things convenient for the operator to remove lift platform, second sliding component 11 drives second gear 111 and rotates when moving on second slide bar 17, second gear 111 meshes with second rack 12 mutually this moment, prevent that second sliding component 11 from moving the speed too fast on second slide bar 17.

Referring to fig. 3, a fixed rod 18 is fixedly installed between two sets of second sliding assemblies 11, a connecting sleeve 19 is disposed at the center of the fixed rod 18, a hydraulic rod 16 is fixedly connected to the connecting sleeve 19, the hydraulic rod 16 is fixedly installed at the bottom of the top plate 14, and the hydraulic rod 16 can extend and retract to drive the fixed rod 18 to move, so as to drive the second sliding assemblies 11 to move on the second sliding rods 17.

Referring to fig. 5, the damping device 4 includes a first connecting block 41, the first connecting block 41 is fixedly installed at the bottom of the base 6, a second connecting block 42 is fixedly connected to the bottom of the first connecting block 41, a second spring 46 is sleeved on the second connecting block 42, the bottom of the second connecting block 42 penetrates through the first supporting block 43 to the inside of the second supporting block 44, one end of the second spring 46 is fixedly connected to the bottom of the first connecting block 41, the other end of the second spring 46 is fixedly connected to the top of the first supporting block 43, the bottom of the first supporting block 43 is fixedly connected to the second supporting block 44, the second supporting block 44 is slidably connected to the second connecting block 42, a first spring 45 is arranged inside the second supporting block 44, one end of the first spring 45 is fixedly connected to the bottom of the second connecting block 42, and the other end of the first spring 45 is fixedly connected to the inner wall of the second supporting block 44.

Under the natural state, first spring 45 and second spring 46 all are in compression state, and during the loading goods, base 6 and first link block 41 move down, can extrude first spring 45 and second spring 46 this moment and make its compression, and first spring 45 and second spring 46 can slow down the vibrations that base 6 and first link block 41 produced to protection lift platform.

Referring to fig. 1, fixed plates 1 are fixedly mounted on two sides of the top of a base 6, a first slide bar 2 is fixedly connected to the fixed plates 1, a first fixed block 5 and a first sliding assembly 7 are sleeved on the first slide bar 2, the bottom of the first fixed block 5 is fixedly connected to the base 6, the top of the first fixed block 5 is rotatably connected to a second connecting rod 10, the other end of the second connecting rod 10 is rotatably connected to a second sliding assembly 11, the first sliding assembly 7 is slidably connected to the first slide bar 2, the top of the first sliding assembly 7 is rotatably connected to a first connecting rod 9, the other end of the first connecting rod 9 is rotatably connected to a second fixed block 15, and the first connecting rod 9 and the second connecting rod 10 are rotatably connected through a cross shaft 21.

When the hydraulic rod 16 is contracted, the fixed rod 18 and the second sliding assembly 11 are driven to move leftwards, so that the top of the second connecting rod 10 is driven to move leftwards, and the bottoms of the first sliding assembly 7 and the first connecting rod 9 simultaneously move leftwards, so that the top plate 14 is driven to move vertically upwards; when the hydraulic rod 16 is extended, the fixed rod 18 and the second sliding component 11 are driven to move rightwards, so that the top of the second connecting rod 10 is driven to move rightwards, and the bottom of the first sliding component 7 and the first connecting rod 9 simultaneously move rightwards, so that the top plate 14 is driven to move vertically downwards.

Referring to fig. 1 and 7, the first sliding assembly 7 includes a first sliding block 74, the first sliding block 74 is rotatably connected to a first rotating shaft 72, a first gear 71 is fixedly connected to the first rotating shaft 72, the first gear 71 is engaged with a first rack 20 disposed on the top of the fixing plate 1, a first limiting cavity 73 adapted to the first sliding rod 2 is disposed on the first sliding block 74, a first through hole 75 and a first groove 76 are disposed on the top of the first sliding block 74, one end of a first connecting rod 9 is disposed in the first groove 76, and the first connecting rod 9 is hinged to the first sliding block 74 through the first through hole 75.

When the hydraulic rod 16 stretches out and draws back, the first sliding component 7 moves in the horizontal direction, so that the first gear 71 is driven to rotate, and due to the meshed connection of the first gear 71 and the first rack 20, the first sliding component 7 can be prevented from moving too fast on the first sliding rod 2, so that the lifting speed of the lifting platform is limited.

Referring to fig. 1 and 6, the protection device 13 includes a pillar 132 fixedly mounted on the top plate 14, a guard rail 131 is fixedly mounted on the pillar 132, a second threaded hole 135 is formed in the pillar 132, a door plate 133 is hinged to one side of the top plate 14, first threaded holes 134 are formed in two sides of the door plate 133, and the first threaded holes 134 are matched with the second threaded holes 135.

The door plate 133 is opened, goods are conveyed to the top plate 14 through the door plate 133, after loading is completed, the door plate 133 and the upright post 132 are fixed through screws, and the guard rail 131 is arranged, so that the safety of the lifting platform is effectively improved.

Referring to fig. 1, the utility model further includes a handrail 8, the handrail 8 is fixedly installed on one side of the base 6, and an operator can conveniently move the lifting platform by using the handrail 8.

The use process comprises the following steps: when the hydraulic rod 16 is contracted, the fixed rod 18 and the second sliding assembly 11 are driven to move leftwards, so that the top of the second connecting rod 10 is driven to move leftwards, and the bottoms of the first sliding assembly 7 and the first connecting rod 9 simultaneously move leftwards, so that the top plate 14 is driven to move vertically upwards; when the hydraulic rod 16 is extended, the fixed rod 18 and the second sliding component 11 are driven to move rightwards, so that the top of the second connecting rod 10 is driven to move rightwards, and the bottom of the first sliding component 7 and the first connecting rod 9 simultaneously move rightwards, so that the top plate 14 is driven to move vertically downwards.

When the hydraulic rod 16 stretches, the first sliding assembly 7 and the second sliding assembly 11 move simultaneously, the first gear 71 rotates and is meshed with the first rack 20, and the second gear 111 rotates and is meshed with the second rack 12, so that the first sliding assembly 7 and the second sliding assembly 11 are effectively prevented from moving too fast, and the lifting speed of the lifting platform is avoided too fast.

When loading goods, base 6 and first connecting block 41 move down, extrude first spring 45 and second spring 46, and first spring 45 and second spring 46 can absorb the power that base 6 and first connecting block 41 received to slow down the vibrations that base 6 and first connecting block 41 produced, protection lift platform.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A miniature lift platform, includes base (6) and roof (14), its characterized in that: the bottom fixed mounting of base (6) has damping device (4), universal wheel (3) are installed to the bottom of damping device (4), the top of roof (14) is provided with protector (13), the bottom fixed mounting of roof (14) has second fixed block (15), one side that second fixed block (15) were kept away from in roof (14) is provided with second rack (12), fixed mounting has second slide bar (17) on roof (14), sliding connection has second slip subassembly (11) on second slide bar (17), second slip subassembly (11) include second sliding block (114), second sliding block (114) and second axis of rotation (112) rotate to be connected, fixedly connected with second gear (111) on second axis of rotation (112), second gear (111) and second rack (12) mesh mutually, and a second limiting cavity (113) matched with the second sliding rod (17) is arranged on the second sliding block (114), and a second through hole (115) and a second groove (116) are arranged at the bottom of the second sliding block (114).

2. The micro lift platform of claim 1, wherein: two sets of fixed mounting has dead lever (18) between second slip subassembly (11), the center department of dead lever (18) is provided with adapter sleeve (19), fixedly connected with hydraulic stem (16) on adapter sleeve (19), hydraulic stem (16) fixed mounting be in the bottom of roof (14).

3. The micro lift platform of claim 1, wherein: the damping device (4) comprises a first connecting block (41), the first connecting block (41) is fixedly installed at the bottom of the base (6), a second connecting block (42) is fixedly connected to the bottom of the first connecting block (41), a second spring (46) is sleeved on the second connecting block (42), the bottom of the second connecting block (42) penetrates through the first supporting block (43) to the inside of the second supporting block (44), one end of the second spring (46) is fixedly connected with the bottom of the first connecting block (41), the other end of the second spring (46) is fixedly connected with the top of the first supporting block (43), the bottom of the first supporting block (43) is fixedly connected with the second supporting block (44), the second supporting block (44) is slidably connected with the second connecting block (42), and a first spring (45) is arranged inside the second supporting block (44), one end of the first spring (45) is fixedly connected with the bottom of the second connecting block (42), and the other end of the first spring (45) is fixedly connected with the inner wall of the second supporting block (44).

4. The micro lift platform of claim 1, wherein: the two sides of the top of the base (6) are fixedly provided with fixed plates (1), the fixed plates (1) are fixedly connected with first slide bars (2), a first fixed block (5) and a first sliding component (7) are sleeved on the first sliding rod (2), the bottom of the first fixed block (5) is fixedly connected with the base (6), the top of the first fixed block (5) is rotatably connected with a second connecting rod (10), the other end of the second connecting rod (10) is rotationally connected with the second sliding component (11), the first sliding component (7) is connected with the first sliding rod (2) in a sliding way, the top of the first sliding component (7) is rotationally connected with a first connecting rod (9), the other end of the first connecting rod (9) is rotationally connected with the second fixed block (15), the first connecting rod (9) is rotatably connected with the second connecting rod (10) through a transverse shaft (21).

5. The micro lift platform of claim 4, wherein: first slip subassembly (7) include first sliding block (74), first sliding block (74) are connected with first rotation axis (72) rotation, fixedly connected with first gear (71) on first rotation axis (72), first gear (71) with first rack (20) that fixed plate (1) top set up meshes mutually, be provided with on first sliding block (74) with first spacing cavity (73) of first slide bar (2) looks adaptation, the top of first sliding block (74) is provided with first through-hole (75) and first recess (76).

6. The micro lift platform of claim 1, wherein: the protective device (13) comprises an upright post (132) fixedly mounted on the top plate (14), a protective guard (131) is fixedly mounted on the upright post (132), a second threaded hole (135) is formed in the upright post (132), a door plate (133) is hinged to one side of the top plate (14), first threaded holes (134) are formed in two sides of the door plate (133), and the first threaded holes (134) are matched with the second threaded holes (135).

7. The micro lift platform of claim 1, wherein: the novel chair is characterized by further comprising an armrest (8), wherein the armrest (8) is fixedly installed on one side of the base (6).