CN218665282U

CN218665282U - Adjustable forklift mast

Info

Publication number: CN218665282U
Application number: CN202223096953.1U
Authority: CN
Inventors: 包能文; 程鹏; 俞江锋; 汪叶廷
Original assignee: Hangzhou Fuyang Zhongli Storage Equipment Co ltd
Current assignee: Hangzhou Fuyang Zhongli Storage Equipment Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-21
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to a fork truck equipment technical field specifically is a fork truck portal with adjustable, include: the frame is of a frame structure, and the bottom of the frame is connected with the saddle; the first lifting frame and the second lifting frame are respectively arranged on the frame in a lifting manner through two first guide members; the first lifting assembly is arranged on a support plate arranged below the frame and connected with the second lifting frame, and when the second lifting frame is lifted, the first lifting frame and the first lifting assembly can be lifted synchronously; the second lifting assembly is connected with the two lifting frames and is used for driving the first lifting frame to lift on the second lifting frame; the two fork rods comprise vertically arranged mounting parts and horizontally arranged supporting parts, and the two mounting parts are symmetrically arranged on the second lifting frame; the adjusting component is arranged on the first lifting frame and connected with the mounting parts of the two fork arms. The utility model provides an interval between two fork arms be not convenient for adjust, the one-level regulation can only be realized to the lifting height of fork truck portal.

Description

Adjustable forklift mast

Technical Field

The utility model relates to a fork truck equipment technical field specifically is a fork truck portal with adjustable.

Background

Fork truck is used for the carrier material in industry, can load and unload, stack and short distance transportation operation to the tray goods of finished product, and the application in each trade is all very extensive, and the popularization degree is very high, and according to fork truck's structure, the fork arm on the fork truck portal is used for holding up the goods.

The distance between the two forklift gantries needs to be adjusted according to the size of goods, the two fork bars in the prior art are generally fixed on the lifting frame through a plurality of bolts, the distance between the two fork bars can be adjusted only after the bolts are loosened every time, the operation is complex, and the working efficiency is low; on the other hand, the height of some fork truck gantries can only be adjusted by one level, and the lifting height of goods is limited to a certain extent, so that the fork truck gantries are not strong in applicability.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a fork truck portal with adjustable aims at solving among the prior art interval between the two fork arms and is not convenient for adjust, and the lifting height of fork truck portal can only realize the one-level regulation.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an adjustable forklift mast comprising:

the frame is of a frame structure, and the bottom of the frame is connected with the saddle;

the first lifting frame and the second lifting frame are respectively arranged on the frame in a lifting manner through two first guide members;

the first lifting assembly is arranged on a support plate arranged below the frame and connected with the second lifting frame, and when the second lifting frame is lifted, the first lifting frame and the first lifting assembly can be lifted synchronously;

the second lifting assembly is connected with the two lifting frames and used for driving the first lifting frame to lift on the second lifting frame;

the two fork rods comprise mounting parts which are vertically arranged and supporting parts which are horizontally arranged, and the two mounting parts are symmetrically arranged on the second lifting frame; and

and the adjusting assembly is arranged on the first lifting frame, is connected with the mounting parts of the two fork rods and is used for driving the two fork rods to transversely move on the first lifting frame so as to enable the two fork rods to move in the opposite direction or in the opposite direction.

The utility model discloses a further improvement lies in, first guide member includes two first sliders, sets up perpendicularly respectively and is corresponding the both sides of hoisting frame, and respectively with correspond first spout sliding connection and adaptation on the frame inner wall.

The utility model discloses a further improvement lies in, first lifting unit includes:

the first screw is arranged in parallel to the moving direction of the second lifting frame and is driven by the driving piece to rotate; and

and the fixing block is arranged at the bottom of the first lifting frame, is in threaded connection with the first screw rod and penetrates through the first screw rod.

The utility model discloses a further improvement lies in, second lifting unit includes:

the moving shaft is transversely arranged above the second lifting frame through a second guide member and can be lifted up and down;

two chain wheels which are respectively and rotatably arranged at two ends of the moving shaft;

the two chains are respectively arranged on the two chain wheels, and the first end of each chain is connected with the first lifting frame, and the second end of each chain is connected with the second lifting frame; and

and the first hydraulic cylinder is vertically arranged at the bottom of the second lifting frame, and the end part of a piston rod of the first hydraulic cylinder is connected with the moving shaft.

The utility model discloses a further improvement lies in, second guide member includes:

the two first guide rails are respectively and vertically arranged at the top of the second lifting frame; and

and the two second sliding blocks are respectively arranged at two ends of the movable shaft and are in sliding connection and adaptive with the corresponding first guide rails.

The utility model discloses a further improvement lies in, adjusting part includes:

the second guide rail is transversely arranged on the first lifting frame and is in sliding connection with the two third sliding blocks on the two mounting parts; and

and the second screw is transversely and rotatably arranged on the first lifting frame, and two thread sections with opposite rotation directions are arranged on the second screw and are respectively in threaded connection with the two third sliding blocks.

The utility model discloses a further improvement lies in, the extension board lower surface with the saddle is articulated mutually, just the both sides of saddle articulate there are two second pneumatic cylinders, two the piston rod of second pneumatic cylinder respectively with the both sides of frame are articulated mutually.

The utility model discloses a further improvement lies in, the driving piece is PMSM.

The utility model discloses a further improvement lies in, the upper surface of supporting part transversely is provided with a plurality of rubber strips.

The utility model discloses a further improvement lies in, the lower surface of the distal end of supporting part sets up the inclined plane of slope.

Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:

the utility model provides a fork truck portal with adjustable be provided with first lifting unit on the frame and can drive two hoisting frames and go up and down in step to set up second lifting unit, make first hoisting frame last the lift on the second hoisting frame, thereby realize the two-stage lift adjustment of fork truck portal, and adjust the distance between two fork arms through adjusting part. Compared with the prior art, the lifting height of the forklift gantry is improved, the operation is simple, the distance between the two fork rods is convenient to adjust, the practicability is higher, and the application range is wider.

The above technical advances are achieved primarily by the following detailed technical improvements:

the second lifting assembly can enable the two lifting frames to generate a linkage effect, and when the first-stage lifting drives the first screw rod to rotate through the driving piece, the two lifting frames can be synchronously lifted through the first guide component; when the second-stage lifting is carried out, the piston rod of the first hydraulic cylinder extends out, the moving shaft is lifted on the second lifting frame, the first ends of the chains are fixed on the first lifting frame, the two chain wheels can be driven to rotate, the first lifting frame is driven to lift through the second ends of the two chains, and therefore the two fork rods lift the goods to lift, the height adjusting range of the forklift gantry is enlarged, and the applicability of the forklift gantry is enhanced.

The distance between two fork arms is through rotating the second screw rod, and two third sliders slide in the second guide rail to carry on the back mutually or remove in opposite directions, thereby make the distance between two fork arms obtain adjusting, easy operation is convenient, and work efficiency obtains improving.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic view of the overall structure of the forklift mast of the present invention;

fig. 2 is a schematic structural diagram of the first lifting assembly and the second lifting assembly of the present invention;

fig. 3 is a schematic view of a portion of the enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the adjusting assembly of the present invention;

description of reference numerals:

10-a vehicle frame, 11-a support plate, 21-a first lifting frame, 22-a second lifting frame, 23-a first guide member, 231-a first slide block, 232-a first chute, 30-a first lifting component, 31-a first screw rod, 32-a driving part, 33-a fixed block, 40-a second lifting component, 41-a moving shaft, 42-a second guide member, 421-a first guide rail, 422-a second slide block, 43-a chain wheel, 44-a chain, 45-a first hydraulic cylinder, 50-a fork rod, 51-an installation part, 52-a supporting part, 60-an adjusting component, 61-a second guide rail, 62-a third slide block, 63-a second screw rod and 70-a second hydraulic cylinder.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system architectures and techniques, in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

The utility model provides a fork truck portal with adjustable can know according to description attached drawing 1-figure 4, a fork truck portal with adjustable includes: the frame 10 is a frame structure, the bottom of the frame is connected with a saddle, and wheels are arranged on the saddle and can be moved conveniently; the first lifting frame 21 and the second lifting frame 22 are respectively arranged on the frame 10 in a lifting manner through two first guide members 23; the first lifting assembly 30 is arranged on the support plate 11 arranged below the frame 10 and connected with the second lifting frame 22, when the second lifting frame 22 is lifted, the first lifting frame 21 and the first lifting assembly 30 can be lifted synchronously, and the second lifting assembly 40 can generate a linkage effect between the two lifting frames; the second lifting assembly 40 is connected with the two lifting frames and is used for driving the first lifting frame 21 to lift on the second lifting frame 22, so that two-stage lifting adjustment of the second lifting frame is realized conveniently; the two fork rods 50 comprise vertically arranged mounting parts 51 and horizontally arranged supporting parts 52, the two mounting parts 51 are symmetrically arranged on the first lifting frame 21, so that the fork rods 50 are mounted on the first lifting frame 21, and the supporting parts 52 are used for lifting and supporting goods; the adjusting assembly 60 is disposed on the first lifting frame 21 and connected to the mounting portions 51 of the two fork arms 50, and is used for driving the two fork arms 50 to move laterally on the first lifting frame 21, so that the two fork arms 50 move toward or away from each other.

Descend suitable position with first hoisting frame 21, hold up the goods through the supporting part 52 of two fork arms 50, two lifting unit drive the goods and promote, when first lifting unit 30 drove two hoisting frames and promote to take the altitude, accessible second lifting unit 40 drove first hoisting frame 21 and risees once more, promotes the goods height through twice, makes the high control range increase of fork truck portal, has strengthened the suitability of fork truck portal. And adjust the interval between two fork arms 50 through setting up adjusting part 60 and adapt to the not uniform size of goods, simple structure adjusts the convenience.

As an embodiment, as can be seen from fig. 4 in the specification, the first guiding member 23 includes two first sliding blocks 231, which are respectively vertically disposed on two sides of the corresponding lifting frame, and are respectively slidably connected and adapted to the first sliding grooves 232 on the inner wall of the corresponding frame 10. When each lifting frame goes up and down on frame 10, all lead through first slider 231 and make the lifting frame go up and down stably, the lift of goods is steady, and difficult emergence slope makes the goods drop.

As an example, as can be seen from fig. 2 in the specification, the first lifting assembly 30 includes: the first screw 31 is arranged parallel to the moving direction of the second lifting frame 22 and is driven by the driving piece 32 to rotate; the fixing block 33 is disposed at the bottom of the first lifting frame 21, and is in threaded connection with the first screw 31 and penetrates therethrough. The first screw 31 is driven to rotate by the rotation of the driving part 32, and the two lifting frames are synchronously lifted and lowered by the fixing block 33 connected with the screw thread. The top of the first screw 31 is provided with a limiting block, and the first screw stops after reaching a limited height.

As an example, as can be seen from fig. 2 to 3 of the specification, the second lifting assembly 40 includes: the moving shaft 41 is disposed above the second elevating frame 22 via a second guide member 42 in a lateral direction and elevatable manner; two sprockets 43 rotatably provided at both ends of the moving shaft 41, respectively; the two chains 44 are respectively arranged on the two chain wheels 43, and a first end of each chain 44 is connected with the first lifting frame 21, and a second end is connected with the second lifting frame 22; the first hydraulic cylinder 45 is vertically disposed at the bottom of the second elevating frame 22, and the end of the piston rod thereof is connected to the moving shaft 41.

In this embodiment, as can be seen from fig. 3 of the specification, the second guide member 42 includes: the two first guide rails 421 are respectively vertically arranged on the top of the second lifting frame 22; the two second sliding blocks 422 are respectively disposed at two ends of the moving shaft 41, and are slidably connected and adapted to the corresponding guide rails.

First pneumatic cylinder 45 is the driving source, and when the piston rod of first pneumatic cylinder 45 stretched out, two second sliders 422 that can make removal shaft 41 both ends slided in first guide rail 421, risees in first hoisting frame 21 top, because the first end of chain 44 is connected with first hoisting frame 21, can make two sprocket 43 rotate, and the second end through two chains 44 drives first hoisting frame 21 and the goods on it and risees.

In this embodiment, as can be seen from fig. 3 of the specification, the adjusting assembly 60 includes: the second guide rail 61 is transversely arranged on the first lifting frame 21 and is connected with the two third sliding blocks 62 on the two mounting parts 51 in a sliding manner; the second screw 63 is transversely and rotatably arranged on the second lifting frame 22, two screw thread sections with opposite rotation directions are arranged on the second screw 63 and are respectively in threaded connection with the two third sliding blocks 62, and a handle is arranged at the end part of the second screw 63, so that the second screw 63 can be conveniently and manually rotated.

The fork arms 50 of some forklift gantries are typically connected by a plurality of bolts, and the spacing can be adjusted after all the bolts are loosened every time the adjustment is performed, which is complicated to operate. And this adjusting part 60 of fork truck portal slides in second guide rail 61 through rotating second screw 63, two third sliders 62, drives two fork arms 50 and carries on the back mutually in step or move in opposite directions, obtains adjusting the interval between two fork arms 50, and easy operation is convenient, and work efficiency obtains improving.

In this embodiment, as can be seen from fig. 1 of the specification, the lower surface of the support plate 11 is hinged to the seat, two second hydraulic cylinders 70 are hinged to two sides of the seat, and piston rods of the two second hydraulic cylinders 70 are hinged to two sides of the frame 10, respectively, so that the frame 10 drives one end of the support portion 52 of the two fork rods 50 away from the first lifting frame to tilt downward. Tilting the frame 10 facilitates loading, unloading, stacking or dumping of cargo by the forks 50.

In this embodiment, the driving member 32 is a permanent magnet synchronous motor, and has the advantages of light weight, higher reliability and high efficiency.

In this embodiment, as can be seen from fig. 1 of the specification, the upper surface of the supporting portion 52 is transversely provided with a plurality of rubber strips, so that the friction force between the supporting portion and the goods is improved, and the risk of dropping the goods is reduced.

In this embodiment, as can be seen from fig. 1 of the specification, the lower surface of the distal end of the support portion 52 is provided with an inclined slope. Facilitating the fork 50 to lift the cargo from the bottom.

It should be noted that, in the present patent application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," comprising, "or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and the phrase" comprising a.once.a.limited element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims

1. An adjustable forklift mast, comprising:

the two fork rods comprise vertically arranged mounting parts and horizontally arranged supporting parts, and the two mounting parts are symmetrically arranged on the second lifting frame; and

2. The adjustable forklift mast as claimed in claim 1, wherein the first guiding member comprises two first sliding blocks vertically disposed at two sides of the corresponding lifting frame respectively, and slidably connected and adapted to the corresponding first sliding grooves on the inner wall of the frame respectively.

3. The adjustable forklift mast as defined in claim 2, wherein said first lift assembly comprises:

and the fixing block is arranged at the bottom of the first lifting frame, is in threaded connection with the first screw rod and penetrates through the first lifting frame.

4. The adjustable forklift mast as defined in claim 1, wherein said second lift assembly comprises:

a movable shaft transversely and ascendably disposed above the second lifting frame through a second guide member;

5. The adjustable forklift mast of claim 4, wherein said second guide member comprises:

6. The adjustable forklift mast as defined in claim 1, wherein said adjustment assembly comprises:

and the second screw rod is transversely and rotatably arranged on the first lifting frame, and two screw thread sections with opposite rotation directions are arranged on the second screw rod and are respectively in threaded connection with the two third sliding blocks.

7. The adjustable forklift mast as claimed in claim 6, wherein one end of said support plate is hinged to said saddle, and two second hydraulic cylinders are hinged to both sides of said saddle, and piston rods of said two second hydraulic cylinders are hinged to both sides of said frame, respectively.

8. The adjustable forklift mast as defined in claim 3, wherein said drive member is a permanent magnet synchronous motor.

9. The adjustable forklift mast as claimed in any one of claims 1 to 8, wherein the upper surface of the support portion is provided with a plurality of rubber strips transversely.

10. Adjustable forklift mast as claimed in claim 9, characterized in that the lower surface of the distal end of the support is provided as an inclined ramp.