High-stability telescopic pallet fork

Abstract

The utility model relates to a high-stability telescopic pallet fork which comprises the following components: a lower fork which comprises a base frame and a lower fork plate which is mounted on the base frame and can move towards a direction below a material along the base frame; the upper fork is arranged above the lower fork, the upper fork is provided with an upper fork plate, and the upper fork plate moves towards the direction above the materials; the distance adjusting device comprises a distance adjusting motor and a transmission part connected with the distance adjusting motor, the transmission part is connected with a connecting piece connected with the lower fork and / or the upper fork, and the distance adjusting motor drives the lower fork and / or the upper fork to move relatively through the transmission part; the lower fork and the upper fork are respectively driven by the driving motor to synchronously extend to the upper side and the lower side of the material, and the distance between the lower fork and the upper fork is changed by the distance adjusting motor, so that the lower fork and the upper fork clamp the material, the transportation stability is improved, and the probability of safety accidents is reduced.

Description

Technical Field

[0001] It relates to the field of transportation technology, and particularly to a telescopic fork with high stability. Background Art

[0002] The petrochemical industry is a pillar industry in China. It mainly processes and sells crude oil and natural gas. For example, it is processed into diesel, kerosene, gasoline, asphalt, paraffin, sulfur (a by-product of natural gas), plastics, rubber, fibers, chemicals, etc.

[0003] During the petrochemical production process, many physical, chemical processes and mass transfer and heat transfer unit operations need to be experienced. Some process control conditions are extremely harsh, such as high temperature, high pressure, low temperature, vacuum, etc. These harsh conditions pose strict requirements on the manufacturing, maintenance of petrochemical production equipment and the quality of personnel. Any small mistake may lead to catastrophic consequences. During its transportation process, oil drums are needed for transportation. The shape of the oil drum is approximately cylindrical, and it is difficult to stably carry it with traditional transportation tools, and safety accidents are likely to occur.

[0004] Therefore, it is necessary to develop a telescopic fork with high stability to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a telescopic fork with high stability, high stability and safety.

[0006] To achieve the above purpose, the present utility model provides the following technical solution: A telescopic fork with high stability, which includes:

[0007] A lower fork, including a base frame and a lower fork plate installed on the base frame, and the lower fork plate can move along the base frame in the downward direction of the material;

[0008] An upper fork, arranged above the lower fork, the upper fork is provided with an upper fork plate, and the upper fork plate moves in the upward direction of the material;

[0009] A distance adjustment device, including a distance adjustment motor and a transmission part connected to the distance adjustment motor, the transmission part is connected with a connecting piece of the lower fork and / or the upper fork, and the distance adjustment motor drives the lower fork and / or the upper fork to move relatively through the transmission part.

[0010] Further, the transmission part includes a transmission lead screw, a passive wheel and a transmission belt connecting the distance adjustment motor and the passive wheel, and the transmission lead screw is connected with the connecting piece.

[0011] Further, the transmission lead screw and the passive wheel are connected with a fixed seat, the fixed seat is fixedly installed on other carriers or fixed structures, the top of the transmission lead screw is vertically upward connected with the connecting piece, and its bottom is vertically downward connected with the passive wheel.

[0012] Further, tension wheels are provided on both sides of the distance adjustment motor, and the tension wheels are used to adjust the tightness of the transmission belt.

[0013] Further, the connecting member includes a connecting frame connecting the upper fork and a slide rail provided on one side of the connecting frame. The slide rail is fixedly installed on other carriers or fixed structures, extends vertically downward, the connecting frame is movably connected to the slide rail, and the connecting frame can move vertically along the slide rail.

[0014] Further, the structure of the upper fork is the same as that of the lower fork, they are symmetrically arranged, and the upper fork plate and the lower fork plate are oppositely arranged.

[0015] Further, a moving track is installed on the base frame, the moving track can move along the base frame, and the lower fork plate moves along the moving track.

[0016] Further, the moving track is recessed inward from its bottom to form an empty groove, a toothed rail is provided in the empty groove, the toothed rail extends from one end of the moving track to the other end, and a transmission gear is provided on the base frame, and the transmission gear meshes with the toothed rail.

[0017] Further, the upper fork plate and the lower fork plate move synchronously towards the material direction.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model is a telescopic fork with high stability, featuring high stability and safety. By driving the lower fork and the upper fork respectively by a driving motor to synchronously extend to the upper and lower sides of the material, and then changing the distance between the lower fork and the upper fork by a distance adjustment motor, the lower fork and the upper fork clamp the material, improving the stability of transportation and reducing the probability of safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings, where:

[0020] Figure 1 is a three-dimensional structural schematic diagram of a telescopic fork with high stability of the present utility model;

[0021] Figure 2 is Figure 1 a structural schematic diagram of the lower fork of the telescopic fork with high stability shown;

[0022] Figure 3 isFigure 2 A schematic diagram of the local structure of the lower fork of the telescopic fork with high stability is shown;

[0023] Figure 4 for Figure 1 A schematic diagram of the structure of a distance adjustment device of a telescopic fork with high stability is shown;

[0024] Figure 5 for Figure 1 A schematic diagram of the partial structure of the distance adjustment device of the high-stability telescopic fork is shown. DETAILED DESCRIPTION

[0025] 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.

[0026] Please see Figures 1 to 5 The utility model is a telescopic fork with high stability, which comprises a driving device 1, a lower fork 2 and an upper fork 3 driven by the driving device 1, and a distance adjusting device 4.

[0027] Please see Figure 1 The driving device 1 includes a driving motor 11 and a driving shaft 12. One end of the driving shaft 12 is connected to the driving motor 11, and the other end extends horizontally outward. A first transmission rod 12 is provided on one side of the driving shaft 12. The first transmission rod 12 and the driving shaft 12 are parallel and can rotate synchronously through a chain, a belt, etc. A linkage rod 13 is provided at the end of the transmission rod 12. One end of the linkage rod 13 is transmission-connected to the first transmission rod 12, and the other end extends vertically and the end is transmission-connected to the second transmission rod 14. The first transmission rod 12 and the second transmission rod 14 drive the lower fork 2 and the upper fork 3 respectively.

[0028] Please see Figures 2 to 3 The lower fork 2 includes a base frame 21, a movable track 22 installed on the base frame 21, and a lower fork plate 23. The base frame 21 can be fixedly installed on other carriers or fixed structures. A plurality of limit members 211 and a plurality of rollers 212 are provided on both sides thereof. One end of the limit member 211 is fixedly connected to the outer side of the base frame 21, and the other end thereof extends horizontally relative to each other for limiting the movable track 22. A plurality of rollers 212 extend horizontally outward from the outer side of the base frame 21 for assisting the movement of the movable track 22. A transmission gear (not shown) is provided in the base frame 21, and the transmission gear is driven by the first transmission rod 12.

[0029] The moving track 22 is recessed inward from its bottom to form an empty groove 221. The empty groove 221 extends from one end of the moving track 22 to the other end. A toothed rail 222 is provided in the empty groove 221. The toothed rail 222 extends from one end of the moving track 22 to the other end and meshes with the transmission gear. The moving track 22 has a first sliding groove 223 and a second sliding groove 224. The first sliding groove 223 is recessed inward from the inner side of the empty groove 221 and is used to accommodate a number of limiting members 211 and a number of rollers 212, enabling the moving track 22 to move along the number of limiting members 211 and the number of rollers 212. The second sliding groove 224 is recessed inward from both sides of the moving track 22 and is used to accommodate the lower fork plate 23.

[0030] The lower fork plate 23 moves along the second sliding groove 224.

[0031] The structure of the upper fork 3 is the same as that of the lower fork 2. They are symmetrically arranged. The upper fork 3 has an upper fork plate 31, and the upper fork plate 31 is arranged opposite to the lower fork plate 23.

[0032] Please refer to Figures 4 to 5 , the distance adjustment device 4 includes a distance adjustment motor 41, a transmission part 42 connected to the distance adjustment motor 41, and connecting parts 43 located on both sides of the distance adjustment motor 41. The distance adjustment motor 41 can be fixedly installed on other carriers or fixed structures. Its output end is connected with a driving wheel 44. The distance adjustment motor 41 outputs power through the driving wheel 44. The transmission part 42 includes a transmission lead screw 421, a driven wheel 422, and a transmission belt 423 surrounding the driving wheel 44 and the driven wheel 422. The transmission lead screw 421 and the driven wheel 422 are connected with a fixed seat 424. The fixed seat 424 is fixedly installed on other carriers or fixed structures. The top of the transmission lead screw 421 is vertically upwardly connected to the connecting part 43, and its bottom is vertically downwardly connected to the driven wheel 422. The driven wheel 422 and the driving wheel 44 are on the same horizontal line and are linked through the transmission belt 423. Further, tension wheels 45 are provided on both sides of the driving wheel 44, and the tension wheels 45 are used to adjust the tightness of the transmission belt 423.

[0033] The connecting part 43 includes a connecting frame 431 connected to the upper fork 3 and a sliding rail 432 provided on one side of the connecting frame 431. The number of the connecting frames 431 is a pair, which is fixedly connected to the upper fork 3. The sliding rail 432 is fixedly installed on other carriers or fixed structures and extends vertically downward. The connecting frame 431 is movably connected to the sliding rail 432. The connecting frame 431 moves vertically along the sliding rail 432, and the upper fork 3 moves vertically accordingly, changing the distance between the upper fork 3 and the lower fork 2. That is, the distance between the upper fork 3 and the lower fork 2 is adjusted through the distance adjustment device 4.

[0034] When the high-stability telescopic fork of the present utility model is in use, the driving motor 11 drives the lower fork 2 and the upper fork 3 respectively through the first transmission rod 12 and the second transmission rod 14. The lower fork plate 23 moves along the second sliding groove 224, and the upper fork plate 31 moves synchronously therewith, extending to the upper and lower sides of the material. The distance-adjusting motor 41 drives the connecting frame 431 to move vertically along the slide rail 432 through the transmission lead screw 421, and the upper fork 3 moves vertically therewith, changing the distance between the upper fork 3 and the lower fork 2, thereby clamping the goods.

[0035] The present utility model relates to a high-stability telescopic fork, which has the characteristics of high stability and safety. The driving motor drives the lower fork and the upper fork to extend synchronously to the upper and lower sides of the material, and then the distance-adjusting motor changes the distance between the lower fork and the upper fork, so that the lower fork and the upper fork clamp the material, improving the stability of transportation and reducing the probability of safety accidents.

[0036] The above is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A telescopic fork with high stability, characterized in that: It includes: The lower fork (2) comprises a base frame (21) and a lower fork plate (23) mounted on the base frame (21), wherein the lower fork plate (23) can move along the base frame (21) toward the lower direction of the material; An upper fork (3) is arranged above the lower fork (2), and the upper fork (3) is provided with an upper fork plate (31), and the upper fork plate (31) moves in an upward direction of the material; The pitch adjusting device (4) comprises a pitch adjusting motor (41) and a transmission part (42) connected to the pitch adjusting motor (41); the transmission part (42) is connected to a connecting piece (43) connected to the lower fork (2) and / or the upper fork (3); the pitch adjusting motor (41) drives the lower fork (2) and / or the upper fork (3) to move relative to each other through the transmission part (42).

2. The high stability telescopic fork according to claim 1, characterized in that: The transmission part (42) comprises a transmission screw (421), a driven wheel (422), and a transmission belt (423) for linking the pitch-adjusting motor (41) and the driven wheel (422); the transmission screw (421) is connected to the connecting member (43).

3. The high stability telescopic fork according to claim 2, characterized in that: The transmission screw (421) and the passive wheel (422) are connected to a fixed seat (424), and the fixed seat (424) is fixedly mounted on other carriers or fixed structures. The top of the transmission screw (421) is vertically connected to the connecting member (43) upward, and the bottom is vertically connected to the passive wheel (422) downward.

4. The high stability telescopic fork according to claim 2, characterized in that: Tension wheels (45) are provided on both sides of the pitch-adjusting motor (41), and the tension wheels (45) are used to adjust the tightness of the transmission belt (423).

5. The high stability telescopic fork according to claim 1, characterized in that: The connecting member (43) comprises a connecting frame (431) connected to the upper fork (3) and a slide rail (432) arranged on one side of the connecting frame (431); the slide rail (432) is fixedly installed on other carriers or fixed structures and extends vertically downward; the connecting frame (431) is movably connected to the slide rail (432); and the connecting frame (431) can move vertically along the slide rail (432).

6. The high stability telescopic fork according to claim 1, characterized in that: The structure of the upper fork (3) is the same as that of the lower fork (2), and it is symmetrically arranged with the lower fork (2). The upper fork plate (31) and the lower fork plate (23) are arranged opposite to each other.

7. The high stability telescopic fork according to claim 1, characterized in that: A movable track (22) is installed on the base frame (21), and the movable track (22) can move along the base frame (21), and the lower fork plate (23) moves along the movable track (22).

8. The high stability telescopic fork according to claim 7, characterized in that: The movable track (22) is recessed from its bottom to form an empty slot (221), a rack (222) is provided in the empty slot (221), the rack (222) extends from one end of the movable track (22) to the other end, and a transmission gear is provided on the base frame (21), the transmission gear is meshed with the rack (222).

9. The high stability telescopic fork according to claim 1, characterized in that: The upper fork plate (31) and the lower fork plate (23) move synchronously toward the material direction.

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