CN110817751A

CN110817751A - Explosion-proof forklift

Info

Publication number: CN110817751A
Application number: CN201911179051.4A
Authority: CN
Inventors: 刘湘; 易春峰; 黄忠良
Original assignee: HENGYANG LIMEI BATTERY CAR MANUFACTURING Co Ltd
Current assignee: HENGYANG LIMEI BATTERY CAR MANUFACTURING Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-02-21

Abstract

The invention discloses an explosion-proof forklift, which comprises an explosion-proof forklift body, wherein the explosion-proof forklift body comprises a supporting seat arranged at the middle part, a containing tank is arranged on the upper surface of the supporting seat, servo motors are symmetrically arranged on the inner side of the containing tank, a threaded rod rotatably connected with the supporting seat is arranged on an output shaft of each servo motor, threaded sleeves are symmetrically and threadedly connected to the outer sides of the threaded rods, a lower hinged frame is fixedly arranged on the outer side of each threaded sleeve, a movable rod is rotatably connected to the inner part of the lower hinged frame, an upper hinged frame is rotatably connected to the upper end of each movable rod, supporting plates are fixedly arranged on the upper surfaces of the four upper hinged frames together, and a. According to the invention, the servo motor is started to drive the threaded rod to rotate, so that the two outer threaded sleeves move towards opposite or back-to-back directions, the seat connected through the movable rod and the supporting plate is controlled to lift, and the comfort level of people with different heights can be met.

Description

Explosion-proof forklift

Technical Field

The invention relates to the technical field of forklifts, in particular to an explosion-proof forklift.

Background

Different parts of the explosion-proof forklift and the common forklift are mainly on a circuit, the requirement on the circuit is high, and particularly, the motors, such as a walking motor, a steering motor and a hydraulic lifting motor, can generate sparks when rotating. The danger is generated in special places, so that special protection and isolation are performed. Or may be sealed. The full-shielding treatment is performed, and an alternating current motor is adopted in some cases, and the alternating current motor has no spark during operation, so that the alternating current motor is relatively safe. Connections between the wires. Are specially treated for protection.

The seat height of the existing explosion-proof forklift is fixed, so that the seat height is inconvenient to adjust according to requirements, and the comfort level of people with different heights is difficult to meet; moreover, since the fork is fixed in position, it is difficult to adjust the height, and high mounting accuracy is required. Therefore, an explosion-proof forklift is provided.

Disclosure of Invention

The invention aims to provide an explosion-proof forklift, which solves the problems that the height of a seat of the existing explosion-proof forklift is fixed, the seat is inconvenient to adjust according to requirements, and the comfort level of people with different heights is difficult to meet; and the fork position is fixed, and the adjustment on the height is difficult to carry out, the problem that higher installation accuracy is required.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an explosion-proof fork truck, includes explosion-proof fork truck body, explosion-proof fork truck body is including setting up in the supporting seat at middle part, the holding tank has been seted up to the upper surface of supporting seat, the inboard symmetry of holding tank is provided with servo motor, every servo motor's output shaft all is provided with rotates the threaded rod of being connected with the supporting seat, the outside symmetry threaded connection of threaded rod has the thread bush, every the equal fixed mounting in the outside of thread bush has articulated frame down, the inside of articulated frame is rotated and is connected with the movable rod down, the upper end of movable rod is rotated and is connected with articulated frame, four go up the common fixed mounting of upper surface of articulated frame has the backup pad, the last fixed surface of backup pad installs the.

Preferably, the outer side of the supporting plate is sleeved with a telescopic protective shell, and two ends of the telescopic protective shell are respectively fixed with the supporting seat and the seat through bolts.

Preferably, the threaded rod is connected with the supporting seat through a bearing, and the output shaft of the servo motor is fixed with the threaded rod through welding.

Preferably, explosion-proof fork truck body is including setting up in the elevating system of one end, elevating system's the outside is provided with linking frame, linking frame's inboard symmetry fixed mounting has a fixed plate, two the common fixed mounting in one side of fixed plate has two mounting panels, every the mounting hole has all been seted up to the upper surface of mounting panel, the inside of mounting hole is provided with the fork.

Preferably, the mounting through hole is of a rectangular structure, and the fork is of an L-shaped structure.

Preferably, the lower surface symmetry of mounting panel is seted up with the recess of mounting hole intercommunication, every the inner chamber upper surface of recess all rotates and is connected with the lead screw that runs through the mounting panel, the lower extreme of lead screw rotates and is connected with the connecting block that matches with the recess, connecting block and fork fixed connection.

Preferably, the upper end of the screw rod is fixedly connected with an operating rod, and an anti-skid rubber sleeve is sleeved on the outer side of the operating rod.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the servo motor is started to drive the threaded rod to rotate, so that the two outer threaded sleeves move towards opposite or back-to-back directions, the seat connected through the movable rod and the supporting plate is controlled to lift, and the comfort level of people with different heights can be met.

2. The fork and the mounting plate are clamped through the connecting block and the groove, the lead screw is used for connection, the lead screw is driven to rotate by rotating the operating rod, the connecting block is controlled to drive the fork to lift, high mounting precision is not needed, and the mounting is convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of the present invention;

FIG. 3 is a schematic view of the fork and mounting plate connection of the present invention.

In the figure: 1. an explosion-proof forklift body; 2. mounting a plate; 3. a fork; 4. a connecting frame; 5. a lifting mechanism; 6. a support plate; 7. a seat; 8. a servo motor; 9. a supporting seat; 10. a lower hinge frame; 11. a telescoping protective housing; 12. an upper hinge bracket; 13. a threaded rod; 14. a movable rod; 15. a groove; 16. a screw rod; 17. a fixing plate; 18. an operating lever; 19. accommodating grooves; 20. a threaded sleeve; 21. mounting a through hole; 22. and (4) connecting the blocks.

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 1:

referring to fig. 1-3, an explosion-proof forklift comprises an explosion-proof forklift body 1, wherein the explosion-proof forklift body 1 comprises a supporting seat 9 arranged in the middle, an accommodating groove 19 is formed in the upper surface of the supporting seat 9, servo motors 8 are symmetrically arranged on the inner sides of the accommodating groove 19, a threaded rod 13 rotatably connected with the supporting seat 9 is arranged on an output shaft of each servo motor 8, threaded sleeves 20 are symmetrically and threadedly connected to the outer sides of the threaded rods 13, a lower hinged frame 10 is fixedly mounted on the outer sides of the threaded sleeves 20, a movable rod 14 is rotatably connected to the inner portion of the lower hinged frame 10, an upper hinged frame 12 is rotatably connected to the upper end of the movable rod 14, a supporting plate 6 is fixedly mounted on the upper surfaces of the four upper hinged frames 12, and a seat 7 is fixedly mounted.

Referring to fig. 2, a telescopic protective casing 11 is sleeved outside the supporting plate 6, and two ends of the telescopic protective casing 11 are respectively fixed to the supporting seat 9 and the seat 7 by bolts, so as to improve the protection capability of the driver.

Referring to fig. 2, the threaded rod 13 is connected to the support base 9 through a bearing, and the output shaft of the servo motor 8 is fixed to the threaded rod 13 by welding, so that the output shaft of the servo motor 8 is firmly connected to the threaded rod 13.

Referring to fig. 1 and 3, the explosion-proof forklift body 1 includes a lifting mechanism 5 disposed at one end, a connecting frame 4 is disposed on the outer side of the lifting mechanism 5, fixing plates 17 are symmetrically and fixedly mounted on the inner side of the connecting frame 4, two mounting plates 2 are fixedly mounted on one side of each of the two fixing plates 17, a mounting through hole 21 is formed in the upper surface of each mounting plate 2, and a fork 3 is disposed inside each mounting through hole 21.

Referring to fig. 1 and 3, the mounting through hole 21 is rectangular, and the fork 3 is L-shaped.

Referring to fig. 3, grooves 15 communicated with mounting through holes 21 are symmetrically formed in the lower surface of the mounting plate 2, a screw rod 16 penetrating through the mounting plate 2 is rotatably connected to the upper surface of an inner cavity of each groove 15, a connecting block 22 matched with the groove 15 is rotatably connected to the lower end of the screw rod 16, and the connecting block 22 is fixedly connected with the fork 3, so that the height of the fork 3 can be conveniently controlled.

Referring to fig. 3, the upper end of the screw rod 16 is fixedly connected with an operating rod 18, and an anti-slip rubber sleeve is sleeved on the outer side of the operating rod 18, so that the comfort level of using the operating rod 18 is increased, and the screw rod 16 is convenient to rotate.

The working principle is as follows: when the height of the seat 7 needs to be adjusted, the servo motor 8 is started, the servo motor 8 drives the threaded rod 13 to rotate, the two threaded sleeves 20 on the outer side are driven to move in the opposite directions, the supporting plate 6 connected with the lower hinged frame 10, the movable rod 14 and the upper hinged frame 12 is driven to lift, the seat 7 is driven to lift, and the telescopic protective shell 11 is compressed or stretched at the moment. When the fork 3 is installed, the height of the fork 3 is adjusted according to requirements, the operating rod 18 is utilized to rotate the screw rod 16, the connecting block 22 at the lower end is driven to move up and down in the groove 15, and the fork 3 is driven to lift.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can 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. The utility model provides an explosion-proof fork truck, includes explosion-proof fork truck body (1), its characterized in that: the anti-explosion forklift body (1) comprises a supporting seat (9) arranged in the middle part, an accommodating groove (19) is formed in the upper surface of the supporting seat (9), servo motors (8) are symmetrically arranged on the inner side of the accommodating groove (19), a threaded rod (13) rotatably connected with the supporting seat (9) is arranged on an output shaft of each servo motor (8), the outer side of the threaded rod (13) is symmetrically connected with a threaded sleeve (20) in a threaded manner, the outer side of each threaded sleeve (20) is fixedly provided with a lower hinged frame (10), the inside of articulated frame (10) is rotated and is connected with movable rod (14) down, the upper end of movable rod (14) is rotated and is connected with articulated frame (12), four go up the common fixed mounting of upper surface of articulated frame (12) and have backup pad (6), the last fixed surface of backup pad (6) installs seat (7).

2. An explosion-proof forklift as claimed in claim 1, wherein: the outer side of the supporting plate (6) is sleeved with a telescopic protective shell (11), and two ends of the telescopic protective shell (11) are fixed with the supporting seat (9) and the seat (7) through bolts respectively.

3. An explosion-proof forklift as claimed in claim 1, wherein: the threaded rod (13) is connected with the supporting seat (9) through a bearing, and the output shaft of the servo motor (8) is fixed with the threaded rod (13) through welding.

4. An explosion-proof forklift as claimed in claim 1, wherein: explosion-proof fork truck body (1) is including setting up in elevating system (5) of one end, the outside of elevating system (5) is provided with linking frame (4), the inboard symmetry fixed mounting of linking frame (4) has fixed plate (17), two the common fixed mounting in one side of fixed plate (17) has two mounting panels (2), every mounting hole (21) have all been seted up to the upper surface of mounting panel (2), the inside of mounting hole (21) is provided with fork (3).

5. An explosion-proof forklift truck as set forth in claim 4, characterized in that: the mounting through hole (21) is of a rectangular structure, and the fork (3) is of an L-shaped structure.

6. An explosion-proof forklift as claimed in claim 3, wherein: recess (15) with mounting hole (21) intercommunication, every are seted up to the lower surface symmetry of mounting panel (2) the inner chamber upper surface of recess (15) all rotates lead screw (16) that are connected with through mounting panel (2), the lower extreme of lead screw (16) rotates and is connected with connecting block (22) that match with recess (15), connecting block (22) and fork (3) fixed connection.

7. An explosion-proof forklift truck as set forth in claim 6, characterized in that: the upper end of the screw rod (16) is fixedly connected with an operating rod (18), and the outer side of the operating rod (18) is sleeved with an anti-skidding rubber sleeve.