CN216235918U

CN216235918U - Mechanical elevator

Info

Publication number: CN216235918U
Application number: CN202122348498.9U
Authority: CN
Inventors: 俎泉国
Original assignee: Jinan Hengqiang Machinery Co ltd
Current assignee: Jinan Hengqiang Machinery Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-08
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a mechanical elevator, which comprises a portal frame, wherein a lifting platform is arranged on the portal frame, the lifting platform comprises a bottom frame, guide blocks are arranged on two sides of the first end of the bottom frame, a back plate is arranged between the two guide blocks, the guide blocks are matched with guide rails on an upright post of the portal frame, and a sliding operation platform is arranged on the bottom frame; the movable operation platform is connected with the back plate through an electric scissor telescopic mechanism. The utility model has large operation range and simpler maintenance and use.

Description

Mechanical elevator

Technical Field

The utility model relates to the technical field of elevators, in particular to a mechanical elevator.

Background

The lifter is a lifter device consisting of a traveling mechanism, an electric control mechanism, a lifting mechanism and a supporting mechanism. The existing elevator used indoors in a factory can only operate in a vertical plane generally, so that the operation range is limited, simple lifting operation can be realized, and various operation activity requirements cannot be met.

Disclosure of Invention

The utility model provides a mechanical elevator for making up the defects of the prior art.

The utility model is realized by the following technical scheme:

a mechanical elevator comprises a portal frame, wherein a lifting platform is arranged on the portal frame and comprises a bottom frame, guide blocks are arranged on two sides of a first end of the bottom frame, a back plate is arranged between the two guide blocks, the guide blocks are matched with guide rails on an upright post of the portal frame, and a sliding operation platform is arranged on the bottom frame; the sliding operation table is connected with the back plate through an electric scissor telescopic mechanism.

The sliding operation platform comprises a sliding plate, a sliding block is installed at the bottom of the sliding plate, the sliding block is in sliding fit with a sliding rail installed on a bottom frame, a guardrail is installed at the top of the sliding plate, and the guardrail is connected with a back plate through an electric scissor telescopic mechanism.

The sliding operation is two, and the two sliding operation platforms are respectively connected with the back plate through corresponding electric scissor telescopic mechanisms.

The slider is provided with a stop block, and the bottom frame is provided with a travel switch matched with the stop block.

A driven wheel shaft is arranged at the upper part of the portal frame, and a driving wheel shaft is arranged at the lower part of the portal frame; the driving wheel shaft is connected with the output end of a first motor speed reducer unit arranged on the portal frame through a coupler, and the driving chain wheel and the guide chain wheel are matched with the lifting platform through a lifting chain; the top of the guide block is fixedly connected with the cross beam; the first end of the lifting chain is connected with the cross beam, and the second end of the lifting chain is connected with the bottom of the lifting platform.

The portal frame is installed at the top of the chassis, the bottom of the chassis is provided with rollers, and the rollers are matched with the rails.

The chassis is also provided with a second motor speed reducer set, and the output end of the second motor speed reducer set is provided with a gear meshed with the rack.

And proximity switches matched with the rollers are installed at the two ends of the track.

The electric scissors further comprise a controller electrically connected with the first electric scissors telescoping mechanism, the first motor speed reducer set, the travel switch, the proximity switch 1 and the second motor speed reducer set.

The utility model has the following technical effects:

this adaptation is novel to adopt mechanical type to go up and down plus cut flexible make the operation scope of lift around the fork increase, because do not need the hydraulic pressure mechanism of traditional hydraulic press, it is simpler to maintain and use, also can not produce the greasy dirt. The two sliding operation platforms are arranged, so that the use can be more flexible; because the electric scissor telescopic mechanism is adopted, the sliding operation platform can adopt a multi-section design, so that the operation range of the sliding operation platform is wider.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a first schematic structural diagram of the present invention.

FIG. 2 is a second schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the lifting table.

In the figure, 1-proximity switch, 2-track, 3-roller, 4-chassis, 5-reinforcing rod, 6-rack, 7-bottom frame, 8-first sliding plate, 9-first guardrail, 10-first electric scissor telescopic mechanism, 11-back plate, 12-cross beam, 13-guide chain wheel, 14-lifting chain, 15-portal frame, 16-second electric scissor telescopic mechanism, 17-second guardrail, 18-second sliding plate, 19-driving chain wheel, 20-driving wheel shaft, 21-rack, 22-first motor speed reducer set, 23-controller, 24-driven wheel shaft, 25-gear, 26-first slide rail, 27-first slide block, 28-first stop block, 29-second slide rail, 30-second slide block, 31-second stop, 32-first travel switch, 33-second travel switch.

Detailed Description

The following are only embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention are intended to be covered by the scope of the present invention.

The words "front", "back", "inner" and "outer" used in this invention to describe the directional relationship are for convenience of description of the embodiments only and should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The fixed connection mode comprises but is not limited to a connection mode known in the prior art, such as welding, screwing, clamping, interference fit, integral forming and the like; the number of the plurality is more than one.

Fig. 1 to 3 show an embodiment of the present invention. This embodiment provides a mechanical type lift, including track 2 and the rack 21 parallel with track 2, track 2 and the gyro wheel 3 cooperation of installing in chassis 4 bottom, the bottom of chassis 4 still installs total second motor reduction unit, and the gear 25 with rack 21 meshing is installed to the output of second motor reduction unit.

A portal frame 15 is installed at the top of the chassis 4, a lifting platform is installed on the portal frame 15, and the lifting platform is in sliding fit with a guide rail on an upright post of the portal frame 15 through a guide block. A driven wheel shaft 24 is arranged at the upper part of the portal frame 15, two guide chain wheels 13 are arranged on the driven wheel shaft 24, a driving wheel shaft 20 is arranged at the lower part of the portal frame 15, two driving chain wheels 19 are arranged on the driving wheel shaft 20, and the driving chain wheels 19 correspond to the guide chain wheels 13 one by one; the driving wheel shaft 20 is connected with the output end of a first motor speed reducer unit 22 arranged on the portal frame 15 through a coupler, and a driving chain wheel 19 and a guide chain wheel 13 are matched with the lifting platform through a lifting chain 14; the lifting chain 14 is engaged with the drive sprocket 19 and the guide sprocket 13 and has a first end connected to the top of the lift table and a second end connected to the bottom of the lift table. A reinforcing rod 5 is arranged between the portal frame 15 and the chassis 4.

The structure of elevating platform is as shown in figure 3, including underframe 7, the guide block is all installed to the both sides of underframe 7 first end, installs backplate 11 between the guide block, the top and the crossbeam 12 fixed connection of guide block, the first end of promotion chain 14 and the top fixed connection of crossbeam 12.

A first sliding operation platform and a second sliding operation platform are installed on the bottom frame 7, and are connected with the back plate 11 through a first electric scissor telescopic mechanism 10 and a second electric scissor telescopic mechanism 16 respectively.

The first sliding operation platform comprises a first sliding plate 8, a second sliding block 30 is installed at the bottom of the first sliding plate 8, and the second sliding block 30 is in sliding fit with a second sliding rail 29 installed on the bottom frame 7; first guardrail 9 is installed at the top of first slide 8, and first guardrail 9 is connected with the backplate through first electronic fork telescopic machanism 10 of cutting. A second stop 31 is mounted on the second slide block 30, and a first travel switch 32 matched with the second stop 31 is mounted on the bottom frame 7. When the first sliding table moves to the maximum stroke, the second stopper 31 triggers the first stroke switch 32, and at this time, the first electric scissors telescoping mechanism 10 automatically stops and cannot extend any more.

The second sliding operation platform comprises a second sliding plate 18, a first sliding block 27 is installed at the bottom of the second sliding plate 18, and the first sliding block 27 is in sliding fit with a first sliding rail 26 installed on the bottom frame 7; and a second guardrail 17 is installed at the top of the second sliding plate 18, and the second guardrail 17 is connected with the back plate 11 through a second electric scissor telescopic mechanism 16. The first slide block 27 is provided with a first stop 28, the bottom frame 7 is provided with a second travel switch 33 matched with the first stop 28, and when the second sliding operation table moves to the maximum travel, the first stop 28 triggers the second travel switch 33, the second electric scissor telescopic mechanism 16 automatically stops and cannot extend any more.

First guardrail 9 and second guardrail 17 all are equipped with the fence door, make things convenient for personnel to go up and down. The sizes of the first slider 27 and the second slider 30 and the specific installation positions of the first stopper 28 and the second stopper 31 can be designed according to actual requirements.

And proximity switches 1 matched with the rollers 3 are arranged at the two ends of the track 2 and used for controlling the stroke of the chassis on the track 2 and placing the sliding-out track 2.

The portal frame 15 is provided with a controller 23, and the controller 23 is electrically connected with the first electric scissor telescopic mechanism 10, the second electric scissor telescopic mechanism 16, the first motor speed reducer unit 22, the first travel switch 32, the second travel switch 33, the proximity switch 1 and the second motor speed reducer unit.

When the electric scissors are used, the controller 23 controls the chassis 4 to move to a preset position, then controls the lifting platform to lift to a preset height, and then controls the two sections of extension lengths of the first electric scissors telescoping mechanism 10 and the second electric scissors telescoping mechanism 16 according to requirements. The two sliding operation platforms are arranged and installed, when the multifunctional sliding operation platform is used, different operations can be completed at different positions by the two sliding operation platforms, and the multifunctional sliding operation platform is more flexible to use.

Claims

1. A mechanical elevator, includes portal frame (15), its characterized in that: the gantry crane is characterized in that a lifting table is mounted on the gantry frame (15), the lifting table comprises a bottom frame (7), guide blocks are mounted on two sides of a first end of the bottom frame (7), a back plate (11) is mounted between the two guide blocks, the guide blocks are matched with guide rails on an upright post of the gantry frame (15), and a sliding operation table is mounted on the bottom frame (7); the movable operation platform is connected with the back plate (11) through an electric scissor telescopic mechanism.

2. The mechanical lift of claim 1, wherein: the sliding operation platform comprises a sliding plate, a sliding block is installed at the bottom of the sliding plate (8), the sliding block is in sliding fit with a sliding rail installed on the bottom frame (7), a guardrail (9) is installed at the top of the sliding plate, and the guardrail is connected with a back plate (11) through an electric scissor telescopic mechanism.

3. The mechanical lift of claim 2, wherein: the number of the sliding operation is two, and the two sliding operation platforms are respectively connected with a back plate (11) through corresponding electric scissor telescopic mechanisms.

4. The mechanical lift of claim 3, wherein: the slider is provided with a stop block, and the bottom frame (7) is provided with a travel switch matched with the stop block.

5. The mechanical lift of claim 4, wherein: a driven wheel shaft (24) is installed on the upper part of the portal frame (15), and a driving wheel shaft (20) is installed on the lower part of the portal frame; a guide chain wheel (13) is mounted on the driven wheel shaft (24), a driving chain wheel (19) is mounted on the driving wheel shaft (20), the driving wheel shaft (20) is connected with the output end of a first motor speed reducer unit (22) mounted on the portal frame (15) through a coupler, and the driving chain wheel (19) and the guide chain wheel (13) are matched with the lifting platform through a lifting chain (14); the top of the guide block is fixedly connected with the cross beam; the first end of the lifting chain (14) is connected with the cross beam (12), and the second end is connected with the bottom of the lifting platform.

6. The mechanical lift of claim 5, wherein: the gantry (15) is installed at the top of the chassis (4), the rollers (3) are installed at the bottom of the chassis (4), and the rollers (3) are matched with the rails (2).

7. The mechanical lift of claim 6, wherein: the track type motor speed reducer is characterized by further comprising a rack (21) parallel to the track (2), a common second motor speed reducer unit is further mounted on the chassis (4), and a gear (25) meshed with the rack (21) is mounted at the output end of the second motor speed reducer unit.

8. The mechanical lift of claim 7, wherein: and proximity switches (1) matched with the rollers (3) are installed at the two ends of the track (2).

9. The mechanical lift of claim 7, wherein: the electric scissors further comprise a controller (23) which is electrically connected with the first electric scissors telescoping mechanism, the first motor speed reducer unit (22), the travel switch, the proximity switch (1) and the second motor speed reducer unit.