CN110092322B - Simple maintenance forklift - Google Patents
Simple maintenance forklift Download PDFInfo
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- CN110092322B CN110092322B CN201910202205.0A CN201910202205A CN110092322B CN 110092322 B CN110092322 B CN 110092322B CN 201910202205 A CN201910202205 A CN 201910202205A CN 110092322 B CN110092322 B CN 110092322B
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- Prior art keywords
- guide rail
- lifting
- slider
- screw
- fork
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a simple maintenance forklift, which comprises a support assembly supported on the ground, a lifting assembly used for lifting the height and an installation assembly used for placing a to-be-lifted object, wherein the support assembly comprises at least two lower forks arranged in parallel and a connecting support rod which connects the end parts of the at least two lower forks and has a rectangular cross section, the end part of each lower fork is provided with a rectangular groove matched with the connecting support rod, and the lower fork is provided with a lower fork adjusting and fixing screw used for limiting the position of the connecting support rod. The weight is reduced to the maximum extent, and the upper fork and the lower fork in the device are made of high-strength aviation aluminum materials, so that the weight is reduced, and the strength is ensured.
Description
Technical Field
The invention relates to the technical field of maintenance equipment, in particular to a simple maintenance forklift.
Background
When the existing transformer maintenance is used for installing a disconnecting switch mechanism box, the weight of the existing transformer maintenance is about 100kg, the existing transformer maintenance needs to be accurately connected with a vertical pull rod of a disconnecting switch at the upper part during installation, on the other hand, the existing transformer maintenance needs to be welded through a machine-based cement rod of the disconnecting switch below a mechanism box side plate, after the existing transformer maintenance is finally installed, the whole mechanism box is suspended with the ground, the suspended distance meets the specified requirement, 5 to 6 workers are required to lift the whole mechanism box, the installation welding time is maintained for a period, time and labor are wasted, the installation quality can not meet the requirement due to shaking or uneven force in the manual lifting process in the installation process, and thus repeated rework is caused, in the maintenance process of the built-in vacuum circuit breaker, the weight of the built-in vacuum circuit breaker is about 200kg, and if the existing transformer maintenance is lifted by large-scale devices such as a crane, a, have the device bulky, portable not convenient to make on the one hand salvage the work inconvenient, on the other hand also has the problem of wasting time and energy, detaches from the body, will 4 to 6 people, leans on manpower to accomplish middle-placed circuit breaker detaching work, and staff intensity of labour is high, needs many people to cooperate.
In addition, in the process of carrying large tools for inspection and heavy objects such as large-sized accessories and storage batteries on and off, a hoisting device which is convenient to carry, light in weight and suitable for on-site emergency repair is urgently needed at a working site.
A simple maintenance forklift is now provided for the above requirements.
Disclosure of Invention
The invention aims to provide a forklift for simple maintenance, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a simple maintenance forklift comprises a supporting component supported on the ground, a lifting component used for lifting the height and an installation component used for placing a crane to be lifted;
the supporting assembly comprises at least two lower forks which are arranged in parallel and a connecting support rod which connects the ends of the at least two lower forks and has a rectangular cross section, the ends of the lower forks are provided with rectangular grooves matched with the connecting support rod, and the lower forks are provided with lower fork adjusting and fixing screws for limiting the position of the connecting support rod;
the lifting assembly comprises a first lifting mechanism arranged on the supporting assembly and a second lifting mechanism arranged at the output end of the first lifting mechanism;
the mounting assembly comprises an upper fork beam connected with the output end of the second lifting mechanism through an upper fork beam fixing block, two ends of the upper fork beam are slidably sleeved with an upper fork used for erecting a heavy object, a limiting assembly used for limiting the position of the upper fork is arranged on the upper fork beam, the limiting assembly comprises a limiting screw hole arranged on the upper fork beam and an upper fork limiting screw matched with the limiting screw hole, and a mounting hole convenient for the upper fork beam with a rectangular cross section to pass through is formed in the upper fork beam fixing block.
As a further scheme of the invention: the first lifting mechanism comprises an outer lifting mechanism base arranged on the connecting support rod, a rectangular hole matched with the connecting support rod penetrates through the outer lifting mechanism base, an outer lifting guide rail for guiding is vertically arranged at the upper end of the outer lifting mechanism base, and an outer guide rail sliding block for outputting lifting power and a first thread transmission mechanism for driving the outer guide rail sliding block to move up and down are sleeved on the outer side of the outer lifting guide rail in a sliding manner;
the second lifting mechanism comprises an inner lifting mechanism base which is fixedly connected with an outer guide rail sliding block, an inner lifting guide rail is vertically arranged at the upper end of the inner lifting mechanism base, and an inner guide rail sliding block used for outputting lifting power and a second thread transmission mechanism driving the inner guide rail sliding block to move up and down are in sliding fit on the inner lifting guide rail.
As a further scheme of the invention: the first thread transmission mechanism comprises a threaded sleeve connected with an outer guide rail sliding block and an outer lead screw which is matched with the threaded sleeve and penetrates through the threaded sleeve, the lower end of the outer lead screw is rotatably connected with an outer lifting mechanism base through a bearing mechanism, the threaded sleeve and the outer guide rail sliding block are fixedly connected through a sliding block fixing screw, an outer bevel gear seat which is rotatably connected with the outer lead screw and has an L-shaped cross section is arranged at the top of the outer lifting guide rail, a rotating bearing matched with the outer lead screw is arranged on the outer bevel gear seat, a first transverse bevel gear is arranged at the end part of the outer lead screw, a first rocking handle is rotatably arranged on a vertical plate of the outer bevel gear seat through a rocking shaft bearing, and a first longitudinal bevel gear which is mutually meshed with the first transverse bevel gear is arranged at the end part of the first;
second screw drive mechanism includes the swivel nut of being connected with the inner guide slider and the interior lead screw that the swivel nut was run through in the cooperation, rotate through bearing mechanism between interior lead screw lower extreme and the interior elevating system base and be connected, it is fixed through slider set screw connection between swivel nut and the interior guide slider, interior elevating system upper end is equipped with rotates the interior umbrella tooth seat that the cross-section is the L type with interior lead screw, interior umbrella tooth seat upper end is equipped with and rotates rolling bearing with interior lead screw matched with, interior lead screw upper end is equipped with the horizontal chute tooth of second, it is equipped with the second rocking handle to rotate through the rocking shaft bearing on the riser of interior umbrella tooth seat, second rocking handle tip is equipped with the first vertical chute tooth with the horizontal chute tooth intermeshing of second.
As a further scheme of the invention: the bearing mechanism comprises a base bearing which is arranged on the outer lifting mechanism base or the inner lifting mechanism base, the inner ring of the base bearing is connected with the screw rod, and the outer end of the base bearing is fixed with a base bearing cover through a base bearing cover fixing screw.
As a further scheme of the invention: the outer umbrella tooth holder is fixedly connected with the top of the outer lifting guide rail through an outer tooth holder fixing screw.
As a further scheme of the invention: the inner bevel gear seat and the inner lifting guide rail are fixedly connected through an inner bevel gear seat fixing screw.
As a further scheme of the invention: the outer side of the inner lifting guide rail is connected with a guide rod which is arranged in parallel with the outer screw rod, and a guide hole which is in sliding contact with the guide rod penetrates through the upper end surface and the lower end surface of the outer umbrella tooth holder.
As a further scheme of the invention: the lower fork is characterized in that fulcrum adjusting mechanisms for adjusting the heights of the fulcrums are further arranged at the two ends of the lower fork, and each fulcrum adjusting mechanism comprises a supporting leg adjusting screw penetrating through the upper end face and the lower end face of the lower fork and an adjustable supporting leg arranged at the lower end of the supporting leg adjusting screw and used for supporting the ground.
As a further scheme of the invention: the supporting foot adjusting screw can be replaced by a jack.
As a further scheme of the invention: the lower fork two ends in contact with the ground in the supporting component are provided with forklift bottom wheels convenient for rolling of the device, and the forklift bottom wheels are self-locking rollers.
As a further scheme of the invention: outer guide rail slider and interior guide rail slider all are U type structure, be equipped with spacing guiding mechanism between outer guide rail slider and interior guide rail slider and the elevating guide rail, spacing guiding mechanism including run through outer elevating guide rail or interior elevating guide rail tip the slotted hole and with perforation matched with sliding block axle subassembly, sliding block axle subassembly including connect guide rail slider U type end plate and with elevating guide rail slotted hole sliding fit's sliding block axle, sliding block axle tip is equipped with the sliding block axle fixing bolt who is used for preventing to drop, be connected through slider bearing rotation between guide rail slider and the sliding block axle.
Compared with the prior art, the invention has the beneficial effects that: 1. through the design, whole fork truck can carry out the dismouting, is convenient for transport job site.
2. The lifting of the height can be carried out in a mode of overlapping the lifting mechanisms.
3. Through the screw rod transmission, the lifting structure is simplified to the greatest extent, and the weight is reduced to the greatest extent on the premise of ensuring the strength.
4. The upper fork and the lower fork in the device are made of high-strength aviation aluminum materials, so that the weight is reduced, and the strength is ensured.
5. The two ends of the lower fork are also provided with fulcrum adjusting mechanisms for adjusting the heights of the fulcrums, so that the forklift can be used as a small lifting device to lift heavy objects (the lifting height of 2.8 meters), and in addition, supporting foot adjusting screws in the fulcrum adjusting mechanisms can be replaced by jacks, so that the forklift can be temporarily adjusted even after supporting the heavy objects to be installed.
6. The upper forks and the upper fork beams, and the lower forks and the lower fork beams are all in tenon-and-mortise structures, so that the upper forks and the lower forks can be conveniently adjusted at intervals, and therefore the universality of the transformer equipment in the aspects of overhaul and the size of an upper heavy object and a lower heavy object is better.
7. The two-stage height adjustment has higher lifting limit and can be used as an operation lifting platform for workers during maintenance of substation equipment.
Drawings
Fig. 1 is a schematic structural view of the maintenance forklift of the present invention.
Fig. 2 is a schematic structural view of the limit guide mechanism of the present invention.
Fig. 3 is a schematic structural view of the bearing mechanism of the present invention.
Wherein: a forklift bottom wheel 1; the adjustable supporting leg 2; a supporting leg adjusting screw 3; a lower fork 4; a lower fork adjusting and fixing screw 5; an outer lifting mechanism base 6; an outer lifting guide rail 7; an outer guide rail slider 8; an outer screw rod 9; an outer umbrella toothholder 10; a first rocking handle 11; a rocker shaft bearing 12; a first lateral bevel gear 13; an outer housing set screw 14; an inner block fixing screw 15; a second longitudinal bevel 16; a second lateral bevel 17; an inner bevel toothholder 18; a second rocking handle 19; an inner screw rod 20; an inner lifting guide rail 21; an upper fork beam fixing block 22; an inner rail slider 23; an inner lift mechanism base 24; an upper fork beam 25; an upper fork 26; an upper fork limit screw 27; a slider bearing 28; a slider shaft 29; a slider fixing screw 30; slider shaft fixing bolts 31; base bearing cap set screws 32; a base bearing 33; a base bearing cap 34.
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 to 3, in an embodiment of the present invention, a forklift for easy maintenance includes a supporting component supported on the ground, a lifting component for lifting the height, and an installation component for placing a to-be-lifted object.
The supporting component comprises at least two parallel lower forks 4 and a connecting support rod which is used for connecting the end parts of the at least two lower forks 4, wherein the cross section of the lower forks 4 is rectangular, the end part of each lower fork is provided with a rectangular groove matched with the connecting support rod, the joggled mode is convenient for later disassembly, the lower forks can be disassembled into single parts when being carried, the assembling is also quick, the lower forks 4 are provided with lower fork adjusting fixing screws 5 used for limiting the positions of the connecting support rods, and the lower forks slide on the lower forks 4 through the connecting support rod during use, so that the distance between the two lower forks 4 is adjusted.
The lifting assembly comprises a first lifting mechanism arranged on the supporting assembly and a second lifting mechanism arranged at the output end of the first lifting mechanism.
The mounting assembly comprises an upper fork beam 25 connected with the output end of the second lifting mechanism through an upper fork beam fixing block 22, an upper fork 26 used for erecting a heavy object is slidably sleeved at the two ends of the upper fork beam 25, a limiting assembly used for limiting the position of the upper fork 26 is arranged on the upper fork beam 25, the limiting assembly comprises a limiting screw hole formed in the upper fork beam 25 and an upper fork limiting screw 27 matched with the limiting screw hole, the upper fork beam 25 can slide through the upper fork 26, so that the distance between the two upper forks is adjusted to match the heavy objects with different volumes, and then the upper fork beam fixing block 22 is provided with a mounting hole convenient for the upper fork beam 25 with a rectangular cross section to pass through a limiting assembly fixing mechanism, and the detachable connection is also convenient for later decomposition.
The first lifting mechanism comprises an outer lifting mechanism base 6 arranged on the connecting support rod, a rectangular hole matched with the connecting support rod penetrates through the outer lifting mechanism base 6, so that the outer lifting mechanism base 6 is only required to be sleeved on the connecting support rod in a sliding mode during installation, an outer lifting guide rail 7 used for guiding is vertically arranged at the upper end of the outer lifting mechanism base 6, and an outer guide rail sliding block 8 used for outputting lifting power and a first threaded transmission mechanism used for driving the outer guide rail sliding block 8 to move up and down are sleeved on the outer side of the outer lifting guide rail 7 in a sliding mode;
the first thread transmission mechanism comprises a threaded sleeve connected with an outer guide rail sliding block 8 and an outer lead screw 9 which is matched with the threaded sleeve to penetrate through the threaded sleeve, the lower end of the outer lead screw 9 is rotatably connected with an outer lifting mechanism base 6 through a bearing mechanism, the threaded sleeve is fixedly connected with the outer guide rail sliding block 8 through a sliding block fixing screw 30, an outer bevel gear seat 10 which is rotatably connected with the outer lead screw 9 and has an L-shaped section is arranged at the top of the outer lifting guide rail 7, a rotating bearing matched with the outer lead screw 9 is arranged on the outer bevel gear seat 10, a first transverse bevel gear 13 is arranged at the end part of the outer lead screw 9, a first rocking handle 11 is rotatably arranged on a vertical plate of the outer bevel gear seat 10 through a rocking shaft bearing 12, a first longitudinal bevel gear which is mutually meshed with the first transverse bevel gear 13 is arranged at the end part of the first rocking handle 11, and the first longitudinal bevel gear which drives the first transverse bevel gear 13 to rotate through the first rocking handle 11 when the outer lead screw 9 and the guide rail sliding block 8, under the action of the screw thread, the guide rail slide block 8 can slide up and down along the outer lifting guide rail 7, so that the height of the second lifting mechanism is adjusted.
The outer umbrella tooth holder 10 is fixedly connected with the top of the outer lifting guide rail 7 through an outer tooth holder fixing screw 14.
Second elevating system includes and is connected fixed interior elevating system base 24 with outer guide rail slider 8, interior elevating system base 24 upper end is equipped with interior lifting guide 21 perpendicularly, sliding fit has the second screw thread drive mechanism that guide rail slider 23 reciprocated in the interior guide rail 21 and the drive that is used for exporting lifting power.
The second thread transmission mechanism comprises a threaded sleeve connected with an inner guide rail sliding block 23 and an inner screw rod 20 which is matched with the threaded sleeve and runs through the threaded sleeve, the lower end of the inner screw rod 20 is rotatably connected with an inner lifting mechanism base 24 through a bearing mechanism, the threaded sleeve is fixedly connected with the inner guide rail sliding block 23 through a sliding block fixing screw 30, an inner bevel gear seat 18 with an L-shaped rotating connection section with the inner screw rod 20 is arranged at the upper end of an inner lifting guide rail 21, a rotating bearing matched with the inner screw rod 20 is arranged at the upper end of the inner bevel gear seat 18, a second transverse bevel gear 17 is arranged at the upper end of the inner screw rod 20, a second rocking handle 19 is rotatably arranged on a vertical plate of the inner bevel gear seat 18 through a rocking shaft bearing 12, a first longitudinal bevel gear 16 meshed with the second transverse bevel gear 17 is arranged at the end of the second rocking handle 19, and the first transverse bevel gear 17 and the first longitudinal bevel gear 16 are driven to rotate through the second rocking handle 19 during use, and then drive interior lead screw 20 and interior guide rail slider 23 relative rotation, under the effect of screw thread, interior guide rail slider 23 is along interior lifting guide 21 up-and-down motion, because interior guide rail slider 23 is connected with fork roof beam fixed block 22, fork roof beam fixed block 22 is fixed with last fork roof beam 25 again to make the lift drive through interior guide rail slider 23 be used for placing the installation component height of waiting to jack up and adjust.
The inner bevel gear seat 18 and the inner lifting guide rail 21 are fixedly connected through an inner bevel gear seat fixing screw 15.
The bearing mechanism comprises a base bearing 33 which is arranged on the outer lifting mechanism base 6 or the inner lifting mechanism base 24 and the inner ring of which is connected with the screw rod, and a base bearing cover 34 is fixed at the outer end of the base bearing 33 through a base bearing cover fixing screw 32.
Example 2
The difference from example 1 is: in order to make the second elevating system go up and down more steadily, the guide bar that is used for with outer lead screw 9 parallel arrangement is connected in the interior lift guide rail 21 outside, the terminal surface runs through the bullport with guide bar sliding contact about the outer umbrella toothholder 10, through the supplementary direction of guide bar and bullport to make the second elevating system go up and down more steadily.
Example 3
The difference from example 2 is: in order to realize the fine setting to whole device inclination to the installation of installing the part is treated in the cooperation, 4 both ends of lower fork still are equipped with the fulcrum adjustment mechanism that is used for adjusting the fulcrum height, fulcrum adjustment mechanism is including running through supporting legs adjusting screw 3 of 4 up and down terminal surfaces of lower fork and set up the adjustable supporting legs 2 that are used for supporting ground at supporting legs adjusting screw 3 lower extreme, thereby the later stage is through the supporting height of rotatory supporting legs adjusting screw 3 regulation adjustable supporting legs 2, and then adjusts whole supporting component's support inclination, for further convenient regulation to adjustable supporting legs 2, supporting legs adjusting screw 3 can replace into the jack, even can also carry out interim regulation like this after supporting treating the installation heavy object.
Example 4
The difference from example 3 is: in order to facilitate the carrying of the device, two ends of a lower fork 4 in the supporting component, which is in contact with the ground, are provided with forklift bottom wheels 1 facilitating the rolling of the device, and the forklift bottom wheels 1 are self-locking rollers.
Example 5
The difference from example 4 is: outer guide rail slider 8 and interior guide rail slider 23 all are U type structure, be equipped with spacing guiding mechanism between outer guide rail slider 8 and interior guide rail slider 23 and the lifting guide, spacing guiding mechanism including run through outer lifting guide 7 or interior lifting guide 21 tip the slotted hole and with perforation matched with slider axle subassembly, slider axle subassembly including connect guide rail slider U type end plate and with lifting guide slotted hole sliding fit's slider axle 29, slider axle 29 tip is equipped with the slider axle fixing bolt 31 that is used for preventing to drop, rotate through slider bearing 28 between guide rail slider and the slider axle 29 and be connected.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a simple and easy maintenance fork truck which characterized in that includes:
a support component: the connecting support rod is used for being in direct contact with the ground and at least comprises two lower forks (4) which are arranged in parallel and a connecting support rod which connects the end parts of the at least two lower forks (4) and has a rectangular cross section, a rectangular groove matched with the connecting support rod is formed in the end part of each lower fork (4), and a lower fork adjusting and fixing screw (5) used for limiting the position of the connecting support rod is arranged on each lower fork (4);
the lifting component: the lifting mechanism is used for lifting the height and comprises a first lifting mechanism arranged on the supporting component and a second lifting mechanism arranged at the output end of the first lifting mechanism;
installing an assembly: the lifting device is used for placing an object to be lifted and comprises an upper fork beam (25) connected with the output end of a second lifting mechanism through an upper fork beam fixing block (22), wherein two ends of the upper fork beam (25) are slidably sleeved with an upper fork (26) used for lifting the object, a limiting assembly used for limiting the position of the upper fork (26) is arranged on the upper fork beam (25), and a mounting hole convenient for the upper fork beam (25) with a rectangular section to penetrate through is formed in the upper fork beam fixing block (22);
the first lifting mechanism comprises an outer lifting mechanism base (6) arranged on the connecting support rod, a rectangular hole matched with the connecting support rod penetrates through the outer lifting mechanism base (6), an outer lifting guide rail (7) used for guiding is vertically arranged at the upper end of the outer lifting mechanism base (6), and an outer guide rail sliding block (8) used for outputting lifting power and a first thread transmission mechanism driving the outer guide rail sliding block (8) to move up and down are slidably sleeved on the outer side of the outer lifting guide rail (7);
second elevating system includes and is connected fixed interior elevating system base (24) with outer guide rail slider (8), interior elevating system base (24) upper end is equipped with interior lifting guide (21) perpendicularly, sliding fit has second screw thread drive mechanism that interior guide rail slider (23) and drive interior guide rail slider (23) that are used for exporting lift power reciprocated on interior lifting guide (21).
2. Easy service forklift according to claim 1, characterised in that the limit assembly comprises limit screw holes provided in the upper fork beam (25) and upper fork limit screws (27) cooperating with the limit screw holes.
3. The easy access forklift of claim 1, wherein the first screw drive comprises a threaded sleeve connected to the outer rail slide (8) and an outer lead screw (9) fitted through the threaded sleeve, the lower end of the outer screw rod (9) is rotationally connected with the outer lifting mechanism base (6) through a bearing mechanism, the threaded sleeve and the outer guide rail sliding block (8) are fixedly connected through a sliding block fixing screw (30), the top of the outer lifting guide rail (7) is provided with an outer umbrella tooth holder (10) which is rotationally connected with an outer screw rod (9) and has an L-shaped section, the outer umbrella tooth holder (10) is provided with a rotating bearing matched with the outer screw rod (9), a first transverse bevel gear (13) is arranged at the end part of the outer screw rod (9), a first rocking handle (11) is rotatably arranged on a vertical plate of the outer bevel gear seat (10) through a rocking shaft bearing (12), a first longitudinal bevel gear meshed with the first transverse bevel gear (13) is arranged at the end part of the first rocking handle (11);
the second thread transmission mechanism comprises a threaded sleeve connected with an inner guide rail sliding block (23) and an inner screw rod (20) which is matched with and penetrates through the threaded sleeve, the lower end of the inner screw rod (20) is rotationally connected with an inner lifting mechanism base (24) through a bearing mechanism, the threaded sleeve and the inner guide rail sliding block (23) are fixedly connected through a sliding block fixing screw (30), the upper end of the inner lifting guide rail (21) is provided with an inner bevel gear seat (18) which is rotationally connected with the inner screw rod (20) and has an L-shaped section, the upper end of the inner umbrella tooth holder (18) is provided with a rotating bearing matched with the inner screw rod (20), a second transverse bevel gear (17) is arranged at the upper end part of the inner screw rod (20), a second rocking handle (19) is rotatably arranged on a vertical plate of the inner bevel gear seat (18) through a rocking shaft bearing (12), the end part of the second rocking handle (19) is provided with a first longitudinal umbrella tooth (16) which is meshed with the second transverse umbrella tooth (17).
4. The easy access forklift truck of claim 3, wherein the bearing mechanism comprises a base bearing (33) mounted on the outer elevator base (6) or the inner elevator base (24) and having its inner race connected to the lead screw, the outer end of the base bearing (33) being fixed with a base bearing cap (34) by a base bearing cap fixing screw (32).
5. The easy access forklift of claim 1, wherein the two ends of the lower fork (4) in contact with the ground in the supporting assembly are provided with forklift bottom wheels (1) facilitating rolling of the device, and the forklift bottom wheels (1) are self-locking rollers.
6. The easy maintenance forklift as defined in any one of claims 3-5, wherein a guide rod for being arranged in parallel with the outer screw (9) is connected to the outer side of the inner lifting guide rail (21), and a guide hole in sliding contact with the guide rod is penetrated through the upper and lower end faces of the outer umbrella tooth holder (10).
7. The easy maintenance forklift truck according to any one of claims 1 to 5, wherein a fulcrum adjusting mechanism for adjusting the height of the fulcrum is further provided at both ends of the lower fork (4), and the fulcrum adjusting mechanism comprises supporting foot adjusting screws (3) penetrating through the upper and lower end surfaces of the lower fork (4) and adjustable supporting feet (2) provided at the lower ends of the supporting foot adjusting screws (3) and used for supporting the ground.
8. Easy service forklift according to claim 7, characterized in that the supporting foot adjusting screws (3) are replaced by jacks.
9. The easy maintenance forklift truck of claim 7, wherein the outer guide rail slider (8) and the inner guide rail slider (23) are both of U-shaped structures, a limiting guide mechanism is arranged between the outer guide rail slider (8) and the inner guide rail slider (23) and the lifting guide rail, the limiting guide mechanism comprises a sliding slot hole penetrating through the end part of the outer lifting guide rail (7) or the inner lifting guide rail (21) and a slider shaft assembly matched with the through hole, the slider shaft assembly comprises a slider shaft (29) connected with the U-shaped end plate of the guide rail slider and in sliding fit with the sliding slot hole on the lifting guide rail, a slider shaft fixing bolt (31) for preventing falling is arranged at the end part of the slider shaft (29), and the guide rail slider and the slider shaft (29) are rotatably connected through a slider bearing (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202205.0A CN110092322B (en) | 2019-03-18 | 2019-03-18 | Simple maintenance forklift |
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| CN201910202205.0A CN110092322B (en) | 2019-03-18 | 2019-03-18 | Simple maintenance forklift |
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| CN110092322A CN110092322A (en) | 2019-08-06 |
| CN110092322B true CN110092322B (en) | 2020-07-07 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105752889A (en) * | 2015-03-26 | 2016-07-13 | 合肥井松自动化科技有限公司 | Double-motor double-lifting fork |
| EP3162753A1 (en) * | 2015-10-30 | 2017-05-03 | STILL GmbH | Energy supply unit for additional devices on load bearing equipment of an industrial truck |
| GB2553080A (en) * | 2016-06-02 | 2018-02-28 | Lawrence Fletcher Neil | Load handling apparatus |
| CN107934826A (en) * | 2017-11-21 | 2018-04-20 | 戚展鹏 | A kind of room finish instrument lifting device |
| CN207748797U (en) * | 2017-12-23 | 2018-08-21 | 泰州市正峰机电有限公司 | A kind of hand fork lifter |
| CN208516894U (en) * | 2018-07-06 | 2019-02-19 | 视航机器人（佛山）有限公司 | Fork truck and its pallet fork lifting device |
-
2019
- 2019-03-18 CN CN201910202205.0A patent/CN110092322B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105752889A (en) * | 2015-03-26 | 2016-07-13 | 合肥井松自动化科技有限公司 | Double-motor double-lifting fork |
| EP3162753A1 (en) * | 2015-10-30 | 2017-05-03 | STILL GmbH | Energy supply unit for additional devices on load bearing equipment of an industrial truck |
| GB2553080A (en) * | 2016-06-02 | 2018-02-28 | Lawrence Fletcher Neil | Load handling apparatus |
| CN107934826A (en) * | 2017-11-21 | 2018-04-20 | 戚展鹏 | A kind of room finish instrument lifting device |
| CN207748797U (en) * | 2017-12-23 | 2018-08-21 | 泰州市正峰机电有限公司 | A kind of hand fork lifter |
| CN208516894U (en) * | 2018-07-06 | 2019-02-19 | 视航机器人（佛山）有限公司 | Fork truck and its pallet fork lifting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110092322A (en) | 2019-08-06 |
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