Floor type lifting machine

Abstract

The utility model relates to a floor type lifting machine, and belongs to the technical field of cargo transportation machinery. Comprising a top plate, a lifting mechanism mounted on the top plate, a placement plate mounted on the lifting mechanism, a front pair of supporting legs and a rear pair of supporting legs fixed to the bottom side of the top plate, a protection mechanism mounted on the top side of the placement plate, two pairs of limiting blocks fixed to the left side and the right side of the placement plate, and a protection box fixed to the top side of the top plate. The lifting mechanism is located in the protection box. According to the floor type lifting machine, the lifting mechanism is arranged on the top plate, only one double-shaft motor is used as a driving source, a rope can be driven to be wound, the rope can drive the containing plate to ascend and descend, the overall structure is simple, and the protection mechanism is arranged on the top side of the containing plate; and the protection range can be adjusted by connecting the screws into different threaded holes in a threaded mode, so that the device adapts to goods of different quantities, and meanwhile the whole protection mechanism can be taken down from the containing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of cargo transportation machinery, in particular to a floor lift. Background Art

[0002] Freight transportation is one of the main modes of modern transportation and one of the two basic modes of land freight transportation. It occupies an important position in the entire transportation field and plays an increasingly important role. Transportation machinery is divided into continuous conveying machinery, handling vehicles, loading and unloading machinery, etc. It also includes auxiliary devices of the conveying system. Lifts are needed in the process of transporting goods.

[0003] For example, a cargo lifting device and a handling robot are disclosed in a Chinese patent (CN219341616U), wherein the device comprises a lifting top plate, a first scissor lift assembly and a second scissor lift assembly; the first scissor lift assembly and the second scissor lift assembly comprise an X-shaped scissor arm, a slide seat and an articulated seat; the left bottom foot of the X-shaped scissor arm is connected to the slide seat in a transverse sliding manner, and the right bottom foot of the X-shaped scissor arm is hinged to the articulated seat; a slide connection portion and an articulated connection portion are provided on the bottom edge of the lifting top plate, the left top foot of the X-shaped scissor arm is connected to the slide connection portion in a transverse sliding manner, and the right top foot of the X-shaped scissor arm is hinged to the articulated connection portion; a screw slider module for driving the left top foot of the X-shaped scissor arm to slide transversely is provided on the bottom surface of the lifting top plate, and the lifting of the lifting top plate of the utility model is controlled by utilizing the transverse sliding of the left top foot of the X-shaped scissor arm, so that the length of the screw of the screw slider module does not affect the thickness of the device, and the folding of the device can also be more compact.

[0004] The above scheme also has the following technical deficiencies: the structure of the above scheme is too complicated, it requires a large area, and the operating efficiency is low, especially in the transportation of goods between floors, there are many inconveniences. The above scheme uses multiple forks and splints and other structures, resulting in a large number of processed parts for the entire device and a high economic cost. Based on this, a floor lift is proposed. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the utility model provides a floor lift, which has the advantages of a relatively simple overall structure and convenient for lifting goods, and solves the problems of the existing technology that the overall structure is relatively complex, the processing is difficult and the economic cost is high.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a floor lift, comprising a top plate, a lifting mechanism mounted on the top plate, a placement plate mounted on the lifting mechanism, two pairs of front and rear support legs fixed to the bottom side of the top plate, a protection mechanism mounted on the top side of the placement plate, two pairs of limit blocks fixed to the left and right sides of the placement plate, and a protection box fixed to the top side of the top plate, wherein the lifting mechanism is located in the protection box;

[0007] The lifting mechanism includes a dual-axis motor fixed on the top side of the top plate, a first rotating shaft fixed on the output shaft of the dual-axis motor, an active bevel gear fixed on the outer surface of the first rotating shaft, and a winding assembly installed on the top side of the top plate.

[0008] By adopting this technical solution, it is convenient to lift the goods.

[0009] Furthermore, the protective mechanism includes multiple groups of threaded holes fixed inside the top side of the placement plate, four screws that can be threadedly connected to each group of threaded holes, a handle fixed to the top side of the screw, a mounting plate rotatably connected to the outer surface of the screw, and a protective component installed on the mounting plate.

[0010] By adopting this technical solution, the goods can be protected.

[0011] Furthermore, the winding assembly includes two pairs of front and rear fixed plates fixed on the top side of the top plate, a second rotating shaft rotatably connected between opposite sides of each pair of fixed plates, a driven bevel gear fixed on the outer surface of the second rotating shaft, and a rope fixed on the outer surface of the second rotating shaft and respectively located on the left and right sides of the second rotating shaft, and the active bevel gear is meshed with the driven bevel gear.

[0012] By adopting this technical solution, it is convenient to drive the rope to be reeled in.

[0013] Furthermore, the protection assembly includes a plurality of sleeves fixed on opposite sides of each two mounting plates, and a protection rod sleeved in two corresponding sleeves.

[0014] By adopting this technical solution, it is possible to prevent goods from accidentally falling.

[0015] Furthermore, two support plates are fixed to the top side of the top plate, a first bearing seat is fixed inside the support plate, and the first rotating shaft rotates in the corresponding first bearing seat.

[0016] By adopting this technical solution, the first rotating shaft can be supported.

[0017] Furthermore, two pairs of front and rear through holes are formed on the top side of the top plate, and the rope can slide in the corresponding through holes, and one end of the rope away from the second rotating shaft is fixed to the top side of the placement plate.

[0018] By adopting this technical solution, the placement plate can be raised or lowered by winding up the rope.

[0019] Furthermore, a second bearing seat is fixed inside the mounting plate, and the screw rod can rotate in the second bearing seat.

[0020] By adopting this technical solution, it is convenient to thread the screw rod into the threaded hole to fix the mounting plate.

[0021] Furthermore, a slide groove is provided inside one opposite side of each pair of support legs, and the limit block can slide in the corresponding slide groove.

[0022] By adopting this technical solution, it is convenient to limit the placement plate.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] The floor lift is provided with a lifting mechanism on the top plate, and only a dual-axis motor is used as a driving source to drive the rope to be reeled in. The rope can drive the placement plate to be raised and lowered. The overall structure is relatively simple, which is convenient for production and reduces production costs. A protective mechanism is provided on the top side of the placement plate, and the protection range can be adjusted by screw thread connection in different threaded holes to adapt to different amounts of goods. At the same time, the entire protective mechanism can be removed from the placement plate, which is convenient for loading and unloading of goods from any direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0026] Figure 2 This is a front view structural schematic diagram of the utility model;

[0027] Figure 3 It is a schematic diagram of the partial structure of the lifting mechanism of the utility model;

[0028] Figure 4 It is a schematic diagram of the partial structure of the protection mechanism of the utility model;

[0029] Figure 5 It is a three-dimensional schematic diagram of the mounting plate connection structure of the utility model.

[0030] In the figure: 1. top plate; 200. lifting mechanism; 201. dual-axis motor; 202. first rotating shaft; 203. driving bevel gear; 204. fixing plate; 205. second rotating shaft; 206. driven bevel gear; 207. rope; 3. placement plate; 4. supporting leg; 500. protection mechanism; 501. threaded hole; 502. screw; 503. handle; 504. mounting plate; 505. sleeve; 506. protection rod; 6. limit block; 7. protection box. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figures 1 to 5 A floor lift in this embodiment includes a top plate 1, a lifting mechanism 200 installed on the top plate 1, a placement plate 3 installed on the lifting mechanism 200, two pairs of front and rear support legs 4 fixed on the bottom side of the top plate 1, a protection mechanism 500 installed on the top side of the placement plate 3, two pairs of limit blocks 6 fixed on the left and right sides of the placement plate 3 and a protection box 7 fixed on the top side of the top plate 1, the lifting mechanism 200 is located in the protection box 7, and a slide groove is opened inside the opposite side of each pair of support legs 4, and the limit block 6 can slide in the corresponding slide groove.

[0033] The lifting mechanism 200 in this embodiment is used to drive the placement plate 3 to move up and down. The placement plate 3 is used to load goods. The protection mechanism 500 is used to protect the goods. The limit block 6 can limit the placement plate 3 by sliding in the slide groove.

[0034] See also Figure 1 and Figure 3In order to simplify the structure of the device while lifting the goods, the lifting mechanism 200 in this embodiment includes a double-axis motor 201 fixed to the top side of the top plate 1, a first rotating shaft 202 fixed to the output shaft of the double-axis motor 201, an active bevel gear 203 fixed to the outer surface of the first rotating shaft 202, and a winding assembly installed on the top side of the top plate 1, the winding assembly includes two pairs of front and rear fixed plates 204 fixed to the top side of the top plate 1, a second rotating shaft 205 rotatably connected between opposite sides of each pair of fixed plates 204, and a gear 206 fixed to the second rotating shaft 20 The driven bevel gear 206 on the outer surface of the second rotating shaft 205 and the rope 207 fixed on the outer surface of the second rotating shaft 205 and respectively located on the left and right sides of the second rotating shaft 205, the driving bevel gear 203 is meshed with the driven bevel gear 206, two support plates are fixed on the top side of the top plate 1, the first bearing seat is fixed inside the support plate, the first rotating shaft 202 rotates in the corresponding first bearing seat, the top side of the top plate 1 is provided with two pairs of front and rear through holes, the rope 207 can slide in the corresponding through holes, and the end of the rope 207 away from the second rotating shaft 205 is fixed to the top side of the placement plate 3.

[0035] The lifting mechanism 200 in this embodiment can drive the first rotating shaft 202 and the active bevel gear 203 to rotate through the dual-axis motor 201, and the active bevel gear 203 and the driven bevel gear 206 can cooperate to drive the second rotating shaft 205 to rotate. The second rotating shaft 205 is used to reel in the rope 207, and the rope 207 is used to drive the placement plate 3 to rise and fall.

[0036] It should be noted that the support plate is used to facilitate the support and position limiting of the first rotating shaft 202 , and the first bearing seat is used to facilitate the rotation of the first rotating shaft 202 .

[0037] See also Figure 1 , Figure 4 and Figure 5 In order to facilitate the protection of the goods, the protection mechanism 500 in this embodiment includes a plurality of groups of threaded holes 501 fixed on the top side of the placement plate 3, four screws 502 that can be threadedly connected to each group of threaded holes 501, a handle 503 fixed on the top side of the screw 502, a mounting plate 504 rotatably connected to the outer surface of the screw 502, and a protection component installed on the mounting plate 504, the protection component includes a plurality of sleeves 505 fixed on the opposite side of each two mounting plates 504, a protection rod 506 sleeved in two corresponding sleeves 505, a second bearing seat is fixed inside the mounting plate 504, and the screw 502 can rotate in the second bearing seat.

[0038] The protection mechanism 500 in this embodiment can be connected to the mounting plate 504 by a screw 502 threadedly connected in the corresponding threaded hole 501. The screw 502 installed in different threaded holes 501 can adjust the protection range. The protection rod 506 is used to protect the goods.

[0039] It should be noted that the handle 503 is used to rotate and remove the screw rod 502 , and an oblique support rod is fixed between two adjacent protective rods 506 .

[0040] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail.

[0041] The working principle of the above embodiment is:

[0042] When the goods need to be lifted, the goods are placed on the placement plate 3, and then a protective rod 506 of a suitable length is selected and inserted into the corresponding sleeve 505 to realize the splicing between the mounting plates 504, and the screw 502 is aligned with the corresponding threaded hole 501, and the handle 503 is rotated to install the screw 502 into the threaded hole 501 to complete the protection of the goods, and then the dual-axis motor 201 is started, and the dual-axis motor 201 drives the first rotating shaft 202 to rotate, and the first rotating shaft 202 drives the active bevel gear 203 to rotate, and the active bevel gear 203 drives the driven bevel gear 206 to rotate, and the driven bevel gear 206 drives the driven bevel gear 206 to rotate. The bevel gear 206 drives the second rotating shaft 205 to rotate, and the second rotating shaft 205 reels the rope 207. The rope 207 drives the placement plate 3 and the goods to rise together. When the goods rise to a suitable height, the dual-axis motor 201 is turned off, and the handle 503 is rotated. The handle 503 drives the screw 502 to leave the threaded hole 501, and the protective mechanism 500 is removed from the placement plate 3 to unload the goods. When the placement plate 3 needs to be lowered, the dual-axis motor 201 is started in reverse, and the dual-axis motor 201 drives the rope 207 to be slowly released, and the placement plate 3 falls under the action of gravity.

Claims

1. A floor lift, characterized in that: It comprises a top plate (1), a lifting mechanism (200) mounted on the top plate (1), a placement plate (3) mounted on the lifting mechanism (200), two pairs of front and rear support legs (4) fixed to the bottom side of the top plate (1), a protection mechanism (500) mounted on the top side of the placement plate (3), two pairs of limit blocks (6) fixed to the left and right sides of the placement plate (3), and a protection box (7) fixed to the top side of the top plate (1), wherein the lifting mechanism (200) is located in the protection box (7); The lifting mechanism (200) comprises a double-axis motor (201) fixed on the top side of the top plate (1), a first rotating shaft (202) fixed on the output shaft of the double-axis motor (201), an active bevel gear (203) fixed on the outer surface of the first rotating shaft (202), and a winding assembly installed on the top side of the top plate (1).

2. A floor lift according to claim 1, characterized in that: The protection mechanism (500) comprises a plurality of groups of threaded holes (501) fixed inside the top side of the placement plate (3), four screw rods (502) threadably connected to each group of threaded holes (501), a handle (503) fixed to the top side of the screw rods (502), a mounting plate (504) rotatably connected to the outer surface of the screw rods (502), and a protection component mounted on the mounting plate (504).

3. A floor lift according to claim 1, characterized in that: The winding assembly comprises two pairs of front and rear fixed plates (204) fixed to the top side of the top plate (1), a second rotating shaft (205) rotatably connected between opposite sides of each pair of fixed plates (204), a driven bevel gear (206) fixed to the outer surface of the second rotating shaft (205), and ropes (207) fixed to the outer surface of the second rotating shaft (205) and respectively located on the left and right sides of the second rotating shaft (205), and the driving bevel gear (203) is meshed with the driven bevel gear (206).

4. A floor lift according to claim 2, characterized in that: The protection assembly comprises a plurality of sleeves (505) fixed on opposite sides of each of two mounting plates (504), and a protection rod (506) sleeved in two corresponding sleeves (505).

5. A floor lift according to claim 1, characterized in that: Two support plates are fixed on the top side of the top plate (1), a first bearing seat is fixed inside the support plate, and the first rotating shaft ((202)) rotates in the corresponding first bearing seat.

6. A floor lift according to claim 3, characterized in that: Two pairs of front and rear through holes are formed on the top side of the top plate (1), and the rope (207) can slide in the corresponding through holes. One end of the rope (207) away from the second rotating shaft (205) is fixed to the top side of the placement plate (3).

7. A floor lift according to claim 2, characterized in that: A second bearing seat is fixed inside the mounting plate (504), and the screw rod (502) can rotate inside the second bearing seat.

8. A floor lift according to claim 1, characterized in that: A sliding groove is provided inside the opposite side of each pair of support legs (4), and the limit block (6) can slide in the corresponding sliding groove.

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