CN114229750A - Oil drum clamping device and forklift - Google Patents
Oil drum clamping device and forklift Download PDFInfo
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- CN114229750A CN114229750A CN202111659831.6A CN202111659831A CN114229750A CN 114229750 A CN114229750 A CN 114229750A CN 202111659831 A CN202111659831 A CN 202111659831A CN 114229750 A CN114229750 A CN 114229750A
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- oil drum
- clamping unit
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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
- B66F9/18—Load gripping or retaining means
- B66F9/187—Drum lifting devices
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses an oil drum clamping device and a forklift, and relates to the technical field of oil drum carrying, wherein a slide rod is fixedly connected to a supporting rod, a lower jaw part is vertically and slidably arranged on the supporting rod through a slide rod, a jaw is arranged at one end of the jaw part, the lower jaw part is driven to slide upwards relative to the supporting rod in the process of restoring deformation of a first elastic unit, an upper jaw part is rotatably arranged on the lower jaw part, a jaw hook is arranged at one end of the upper jaw part, a sliding groove is formed in the upper jaw part, and the slide rod is in sliding fit with the sliding groove. The lower tong part of the oil drum clamping device abuts against the upper edge of an oil drum, the supporting rod continues to move upwards relative to the lower tong part, and the lower tong part drives the sliding rod to slide relative to the sliding groove, so that the upper tong part rotates relative to the lower tong part, the tong hook and the tong nozzle clamp the upper edge of the oil drum to clamp and fix the oil drum.
Description
Technical Field
The invention relates to the technical field of oil drum carrying, in particular to an oil drum clamping device and a forklift.
Background
Oil drum need be with the help of handling tool when the transport, and current handling tool is classified into two types on the whole, and one type is from oil drum bottom bearing oil drum, and another type is from oil drum upper portion centre gripping hoist oil drum, and the former needs move the oil drum to handling tool on, and the latter is more convenient some relatively.
For example, chinese patent publication No. CN208378352U entitled "a forklift barrel clamp" includes a forklift body, a barrel clamp frame, a fastening device disposed on the top of the barrel clamp frame, and a balancing device disposed on the bottom of the barrel clamp frame, wherein the balancing device includes a balancing roller and a balancing strip wound around the balancing roller. In order to keep the oil drum stable, a balance roller and a balance bar are arranged below the fastening device, the oil drum is positioned between the two balance rollers after being clamped, and the oil drum cannot shake left and right through the balance rollers; be equipped with balanced strip between balanced roller, balanced strip uses flexible material to make, can keep apart balanced roller and reach the effect of buffering collision with the oil drum, also can reach the purpose of fastening with oil drum parcel simultaneously.
Among the prior art, it is convenient inadequately to carry out the fixed process of centre gripping to the oil drum to the centre gripping steadiness is poor, takes place occasionally in the condition of oil drum slippage.
Disclosure of Invention
The invention aims to provide an oil drum clamping device and a forklift to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an oil drum clamping device includes first centre gripping unit, first centre gripping unit includes bracing piece, lower jaw, first elastic element and goes up jaw, wherein, fixedly connected with litter on the bracing piece, lower jaw sets up on the bracing piece through the vertical slip of a slide bar, and the one end of jaw is provided with the pincers mouth, first elastic element resumes under the process drive that deformation jaw upwards slides for the bracing piece, it rotates to set up on lower jaw to go up jaw, and the one end of going up jaw is provided with the tong hook, has seted up the spout on going up jaw, in the bracing piece upward movement process, when lower jaw butt is to the top edge of oil drum, the relative lower jaw of bracing piece continues the upward movement, makes upper jaw rotate through the sliding fit of litter and spout to make tong hook and the top edge of tong mouth centre gripping oil drum.
Further, the first elastic unit comprises a first spring, one end of the first spring is connected with the supporting rod, and the other end of the first spring is connected with the sliding rod.
Further, the device comprises a cylinder, a second elastic unit, at least one second clamping unit, a third elastic unit, a first locking piece and a second locking piece, wherein the supporting rod of the first clamping unit is vertically arranged on the cylinder in a sliding manner, the process of restoring deformation of the second elastic unit drives the supporting rod of the first clamping unit to upwards slide relative to the cylinder, the second clamping unit is consistent with the first clamping unit in structure, the supporting rod of the second clamping unit is horizontally arranged on the cylinder in a rotating manner through a connecting rod, an avoidance station far away from the oil drum and a butt station abutting against the oil drum are arranged on the rotating stroke of the second clamping unit, the process of restoring deformation of the third elastic unit drives the connecting rod to rotate, so that the second clamping unit rotates to the butt station from the avoidance station, and the first locking piece is used for locking the supporting rod and the cylinder of the first clamping unit under the condition of elastic release of the second elastic unit, and unblock when the upper edge of first clamping unit centre gripping oil drum, second locking piece is used for dodging the station with second clamping unit locking to unblock when the bracing piece upward movement of cylinder relative first clamping unit.
Further, the upward movement process of the cylinder sequentially comprises the following strokes:
in the first stroke, the cylinder drives the first clamping unit and the second clamping unit to synchronously move upwards until the clamp nozzle of the first clamping unit abuts against the upper edge of the oil drum;
in the second stroke, the cylinder drives the supporting rod of the first clamping unit to move upwards relative to the lower clamp part of the first clamping unit, the first clamping unit clamps the upper edge of the oil drum, and the first locking piece is unlocked;
in the third stroke, the cylinder moves upwards relative to the supporting rod of the first clamping unit, the second locking piece is unlocked, the second clamping unit rotates to the abutting station by the elastic force of the third elastic unit, and the clamp nozzle of the second clamping unit abuts against the outer side wall of the oil drum;
in the fourth stroke, the cylinder drives the second clamping unit to move upwards, and the clamp nozzle of the second clamping unit is abutted against the upper edge of the oil drum;
in the fifth stroke, the cylinder drives the supporting rod of the second clamping unit to move upwards relative to the lower clamp part of the second clamping unit, and the second clamping unit clamps the upper edge of the oil drum;
and in a sixth stroke, the cylinder body enables the oil drum to be lifted through the first clamping unit and the second clamping unit.
Further, first locking piece includes stopper, gag lever post, chute and slider, wherein, stopper fixed connection in on the cylinder, the gag lever post horizontal slip sets up on the bracing piece of first centre gripping unit, a butt has the spacing station of a butt in order to prevent the cylinder to the bracing piece gliding upwards of first elastic unit on the stopper on the slip stroke of gag lever post, the chute set up in the top of gag lever post, slider fixed connection is on the lower jaw of first centre gripping unit, slider and chute sliding fit, the bracing piece of first centre gripping unit drives the slider and slides in the chute in the lower jaw upward movement's of the relative first centre gripping unit of lower jaw of bracing piece to make the gag lever post horizontal slip from spacing station.
Further, the second lock piece includes dwang, shelves pole, first gear and first rack, wherein, the dwang rotate set up in on the cylinder, a shelves pole fixed connection in on the dwang, a shelves pole has one and makes second clamping unit keep keeping dodging the fender of station and connect the station along with dwang pivoted in-process, the coaxial fixed connection of first gear in on the dwang, first rack fixed connection in on the bracing piece of first clamping unit, first rack and first gear engagement, when the bracing piece upward movement of the relative first clamping unit of post, drive first rack and first gear engagement cooperation so that the dwang rotates for a shelves pole is changeed from keeping off and is connect the station.
Furthermore, the second elastic unit comprises a second spring, one end of the second spring is connected with the column, and the other end of the second spring is connected with the supporting rod of the first clamping unit.
Further, the third elastic unit comprises a torsion spring, the torsion spring is sleeved on a rotating shaft fixedly connected with the connecting rod, one end of the torsion spring is fixedly connected with the rotating shaft, and the other end of the torsion spring is fixedly connected with the column body.
Furthermore, the second clamping units are distributed on two sides of the first clamping unit, a guide rod is fixedly connected to the column body, a connecting rod is rotatably arranged on the connecting rod respectively, one end, far away from the corresponding connecting rod, of each connecting rod is coaxially and rotatably connected with the same sliding column, and the sliding columns are slidably arranged on the guide rods.
The utility model provides a forklift, includes fork truck body, base and bearing structure, foretell oil drum clamping device sets up on the base, bearing structure sets up the lateral wall in order to support the oil drum lower part on the base, the detachable connection of base is on the goods fork of fork truck body.
In the technical scheme, according to the oil drum clamping device provided by the invention, firstly, the whole oil drum clamping device rises along with the side wall of the oil drum, when the lower jaw part abuts against the upper edge of the oil drum, the supporting rod continues to move upwards relative to the lower jaw part, and the lower jaw part drives the sliding rod to slide relative to the sliding groove, so that the upper jaw part rotates relative to the lower jaw part, the upper edge of the oil drum is clamped by the clamp hook and the clamp nozzle, the oil drum is clamped and fixed, the operation is convenient on the whole, the clamping is firm, and after the oil drum is transported, the oil drum can be placed down only, and the oil drum clamping device can automatically release the clamping of the oil drum, so that the oil drum clamping device is very convenient and fast.
Because above-mentioned oil drum clamping device has above-mentioned technological effect, the fork truck that contains this oil drum clamping device also should have corresponding technological effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural view of an oil drum when not clamped according to an embodiment of an oil drum clamping device;
fig. 2 is a schematic structural view of an oil drum clamping device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of another embodiment of an oil drum clamping device;
fig. 4-7 are schematic structural views of a process for clamping an oil drum according to another embodiment of the oil drum clamping device;
FIG. 8 is a schematic structural view of a further embodiment of an oil drum clamping device;
fig. 9 to 12 are schematic structural views of the forklift provided in the embodiment of the present invention.
Description of reference numerals:
1. a first clamping unit; 2. a support bar; 3. a slide rod; 4. a lower jaw portion; 4.1, a clamp mouth; 5. a first elastic unit; 6. an upper clamp part; 6.1, a clamp hook; 7. a chute; 8. a cylinder; 9. a second elastic unit; 10. a second clamping unit; 11. a third elastic unit; 12. a first locking member; 12.1, a limiting block; 12.2, a limiting rod; 12.3, a chute; 12.4, a sliding block; 13. a second lock; 13.1, rotating the rod; 13.2, a gear lever; 13.3, a first gear; 13.4, a first rack; 14. a guide bar; 15. a connecting rod; 16. a traveler; 17. a slide bar; 18. a base; 18.1, a cross beam; 19. a connecting rod; 20. a support structure; 21. a movable rod; 22. a movable arm; 23. a first rotating roller; 24. a second rotating roller; 25. a strip; 26. a shaft lever; 27. a T-shaped rod; 28. a transmission rod; 29. a hydraulic cylinder; 30. a second rack; 31. a second gear; 32. a servo motor; 33. an electronic meter counter; 34. and (5) limiting rollers.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-12, an oil drum clamping device provided by an embodiment of the present invention includes a first clamping unit 1, the first clamping unit 1 includes a support rod 2, a lower jaw 4, a first elastic unit 5 and an upper jaw 6, wherein the support rod 2 is fixedly connected with a slide rod 3, the lower jaw 4 is vertically slidably disposed on the support rod 2 through a slide rod 17, one end of the lower jaw 4 is provided with a jaw 4.1, the first elastic unit 5 recovers deformation to drive the lower jaw 4 to slide upward relative to the support rod 2, the upper jaw 6 is rotatably disposed on the lower jaw 4, one end of the upper jaw 6 is provided with a jaw hook 6.1, the upper jaw 6 is provided with a chute 7, during upward movement of the support rod 2, when the lower jaw 4 abuts against an upper edge of an oil drum, the support rod 2 continues to move upward relative to the lower jaw 4, the upper jaw 6 rotates through sliding fit of the slide rod 3 and the chute 7, so that the tong hook 6.1 and the tong nozzle 4.1 clamp the upper edge of the oil drum.
Specifically, bracing piece 2 is a hollow loop bar, and slide bar 17 slip cap is established in bracing piece 2, is provided with limit structure between slide bar 17 and the bracing piece 2, and limit structure is used for restricting the gliding stroke of relative bracing piece 2 of slide bar 17, and first elastic element 5 is preferred first spring, and the one end joint support pole 2 of first spring, slide bar 17 are connected to the other end, and first spring can set up and hide in bracing piece 2's hollow inside, can protect first spring. In the technical scheme, firstly, the whole oil drum clamping device is lifted along the side wall of the oil drum, when the lower tong part 4 is abutted to the upper edge of the oil drum, the support rod 2 continues to move upwards relative to the lower tong part 4, the lower tong part 4 drives the sliding rod 3 to slide relative to the sliding groove 7, so that the upper tong part 6 rotates relative to the lower tong part 4, the tong hook 6.1 and the tong nozzle 4.1 clamp the upper edge of the oil drum to clamp and fix the oil drum, the whole oil drum is convenient to operate and firm to clamp, after the oil drum is transported, only the lower oil drum needs to be put down, then the oil drum clamping device continues to descend downwards, the elastic force of the first elastic unit 5 enables the lower tong part 4 and the support rod 2 to slide away from each other relatively, so that the upper tong part 6 rotates through the reverse sliding fit of the sliding rod 3 and the sliding groove 7, the tong hook 6.1 is separated from the upper edge of the oil drum, and the oil drum clamping device can automatically release the oil drum, is very convenient.
In another embodiment provided by the invention, referring to fig. 3-8, the oil drum clamping device further includes a cylinder 8, a second elastic unit 9, at least one second clamping unit 10, a third elastic unit 11, a first locking member 12 and a second locking member 13, wherein the supporting rod 2 of the first clamping unit 1 is vertically slidably disposed on the cylinder 8, a limiting structure is disposed between the supporting rod 2 of the first clamping unit 1 and the cylinder 8, the limiting structure can limit a sliding stroke of the supporting rod 2 of the first clamping unit 1 relative to the cylinder 8, and the process of the second elastic unit 9 recovering deformation drives the supporting rod 2 of the first clamping unit 1 to slide upward relative to the cylinder 8, preferably, the second elastic unit 9 includes a second spring, one end of the second spring is connected to the cylinder 8, and the other end of the second spring is connected to the supporting rod 2 of the first clamping unit 1. The number of the second clamping units 10 is preferably two, the second clamping units 10 are distributed on two sides of the first clamping unit 1, the second clamping units 10 are consistent with the first clamping unit 1 in structure, the support rods of the second clamping units 10 are horizontally and rotatably arranged on the column body 8 through a connecting rod 19, namely, the support rod of the second clamping unit 10 is fixedly connected with the connecting rod 19, the connecting rod 19 is rotatably connected with the column body 8, an avoidance station far away from the oil drum and an abutting station abutting against the side wall of the oil drum are arranged on the rotating stroke of the second clamping unit 10, at the abutting station, the clamp nozzle 4.1 of the second elastic clamping unit abuts against the side wall of the oil drum, the abutting station is not a unique station, but under the condition that the first clamping unit 1 clamps the oil drum, the second clamping unit 10 rotates to a working position when the clamp mouth 4.1 of the second clamping unit abuts against the side wall of the oil drum, for oil drums with different diameters, the clamping station of the second clamping unit 10 changes correspondingly. The process that the third elastic unit 11 resumes deformation drives the connecting rod 19 to rotate to make the second clamping unit 10 rotate to the butt station by dodging the station, preferably, the third elastic unit 11 includes the torsional spring, the torsional spring cover is located in the pivot with connecting rod 19 rigid coupling, the one end and the pivot fixed connection of torsional spring, the other end and cylinder 8 fixed connection. The first locking piece 12 is used for locking the supporting rod 2 and the column 8 of the first clamping unit 1 under the condition that the elastic force of the second elastic unit 9 is released, and is unlocked when the first clamping unit 1 clamps the upper edge of the oil drum, and the second locking piece 13 is used for locking the second clamping unit 10 at an avoiding station and is unlocked when the column 8 moves upwards relative to the supporting rod 2 of the first clamping unit 1. The first locking member 12 and the second locking member 13 can both adopt electric control locks in the prior art.
As a preferable technical solution of this embodiment, the first locking member 12 includes a limiting block 12.1, a limiting rod 12.2, a chute 12.3 and a sliding block 12.4, wherein the limiting block 12.1 is fixedly connected to the column 8, the limiting rod 12.2 is horizontally slidably disposed on the support rod 2 of the first clamping unit 1, a limiting station vertically abutted against the limiting block 12.1 is disposed on a sliding stroke of the limiting rod 12.2, the limiting rod 12.2 can prevent the column 8 from sliding upwards relative to the support rod 2 of the first elastic unit 5 when located at the limiting station, the chute 12.3 is disposed at a top of the limiting rod 12.2, the sliding block 12.4 is fixedly connected to the lower jaw 4 of the first clamping unit 1 (or the sliding rod 17 of the first clamping unit 1), the sliding block 12.4 is in sliding fit with the chute 12.3, the sliding block 12.4 is driven to slide in the chute 12.3 during the upward movement of the support rod 2 of the first clamping unit 1 relative to the lower jaw 4 of the first clamping unit 1, so that the stop lever 12.2 slides horizontally away from the stop station.
As a preferred technical solution of this embodiment, the second locking member 13 includes a rotating rod 13.1, a blocking rod 13.2, a first gear 13.3 and a first rack 13.4, wherein the rotating rod 13.1 is rotatably disposed on the column 8, the blocking rod 13.2 is fixedly connected to the rotating rod 13.1, the blocking rod 13.2 has a blocking station for keeping the second clamping unit 10 at the avoiding station in the process of rotating along with the rotating rod 13.1, in the blocking station, the blocking rod 13.2 is in blocking engagement with the connecting rod 19 or the supporting rod of the second clamping unit 10 to prevent the connecting rod 19 from rotating, the first gear 13.3 is coaxially and fixedly connected to the rotating rod 13.1, the first rack 13.4 is fixedly connected to the supporting rod 2 of the first clamping unit 1, the first rack 13.4 is engaged with the first gear 13.3, when the rotating rod moves upward relative to the supporting rod 2 of the first clamping unit 1, the first rack 13.4 is brought into engagement with the first gear 13.3 to rotate the rotating rod 13.1, so that the blocking lever 13.2 is rotated away from the blocking position. When the number of the second clamping units 10 is two and the second clamping units are distributed on two sides of the first clamping unit 1, the two required second locking pieces 13 share the same first gear 13.3 and the same first rack 13.4, and only the rotating rods 13.1 of the two second locking pieces 13 need to be coaxially and fixedly connected.
In this embodiment, when carrying out centre gripping oil drum operation, at first make this oil drum clamping device wholly be less than the top edge of oil drum to be close to the oil drum, the pincers mouth 4.1 butt of the lower tong portion 4 of first centre gripping unit 1 is to the lateral wall of oil drum, then upwards lifting cylinder 8, the process of 8 upward movements of cylinder includes following stroke in proper order:
in the first stroke, the cylinder 8 drives the first clamping unit 1 and the second clamping unit 10 to synchronously move upwards until the clamp mouth 4.1 of the first clamping unit 1 abuts against the upper edge of the oil drum, as shown in fig. 4;
in a second stroke, the cylinder 8 drives the support rod 2 of the first clamping unit 1 to move upward relative to the lower jaw 4 of the first clamping unit 1 (or the sliding rod 17 of the first clamping unit 1), the lower jaw 4 of the first clamping unit 1 drives the sliding rod 3 to slide relative to the sliding groove 7, so that the upper jaw 6 of the first clamping unit 1 rotates relative to the lower jaw 4 of the first clamping unit 1, so that the upper edge of the oil drum is clamped by the jaw hook 6.1 and the jaw mouth 4.1, that is, the upper edge of the oil drum is clamped by the first clamping unit 1, meanwhile, the chute 12.3 on the limit rod 12.2 is in sliding fit with the sliding block 12.4, so that the limit rod 12.2 horizontally slides relative to the support rod 2 of the first clamping unit 1, and the limit rod 12.2 is separated from a limit station, that is, that the first locking piece 12 is unlocked, as shown in fig. 5;
in a third stroke, the column 8 moves upward relative to the support rod 2 of the first clamping unit 1 (or the whole first clamping unit 1), the column 8 drives the rotating rod 13.1 and the first gear 13.3 to move upward, because the first gear 13.3 is meshed with the first rack 13.4, the first gear 13.3, the rotating rod 13.1 and the stop lever 13.2 rotate, the stop lever 13.2 rotates away from the abutting station, i.e., the second locking member 13 is unlocked, so that the elastic force of the third elastic unit 11 is released, the elastic force of the third elastic unit 11 enables the second clamping unit 10 to rotate to the abutting station, the jaw of the second clamping unit 10 abuts against the side wall of the oil drum, and at this time, the height of the jaw of the second clamping unit 10 is lower than the height of the upper edge of the oil drum, as shown in fig. 6;
in the fourth stroke, the column body 8 continues to move upwards relative to the support rod 2 of the first clamping unit 1 (or the whole first clamping unit 1), and the column body 8 drives the whole second clamping unit 10 to move upwards until the clamp nozzle of the second clamping unit 10 abuts against the upper edge of the oil drum;
in the fifth stroke, the cylinder 8 continues to move upward relative to the support rod 2 of the first clamping unit 1 (or the whole first clamping unit 1), the cylinder 8 drives the support rod of the second clamping unit 10 to move upward relative to the lower jaw of the second clamping unit 10 (or the sliding rod of the second clamping unit 10), the lower jaw of the second clamping unit 10 drives the sliding rod 3 to slide relative to the sliding groove 7, so that the upper jaw of the second clamping unit 10 rotates relative to the lower jaw of the second clamping unit 10, and the upper edge of the oil drum is clamped by the jaw hook 6.1 and the jaw mouth 4.1, that is, the upper edge of the oil drum is clamped by the second clamping unit 10, and at this time, the upper edge of the oil drum is clamped by the first clamping unit 1 and the second clamping unit 10, as shown in fig. 7;
in the sixth stroke, the cylinder 8 makes the oil drum lift through the first clamping unit 1 and the second clamping unit 10.
The embodiment has the following effects: firstly, the oil drum is lifted after the upper edge of the oil drum is clamped simultaneously by the first clamping unit 1 and the second clamping unit 10, so that the upper edge of the oil drum can be protected, and the upper edge of the oil drum (especially a plastic oil drum) is prevented from being worn and slipped due to only one clamping point; secondly, the angle between each second clamping unit 10 and the first clamping unit 1 is adjustable, and the oil drums with different diameters can be matched; thirdly, particularly in the case of an empty oil drum, the first clamping unit 1 clamps the oil drum to fix the oil drum, and then the second clamping unit 10 rotates to the abutting station under the action of the elastic force of the third elastic unit 11, so that the oil drum cannot be abutted and shifted by the second clamping unit 10 because the first clamping unit 1 clamps the oil drum, and the second clamping unit 10 can smoothly clamp the upper edge of the oil drum; fourth, mutually noninterfere between two second clamping unit 10, even first clamping unit 1 when not centre gripping to oil drum upper edge apart from its closest point, its butt station can be reachd to one of them clamping unit only need rotate less angle, and its butt station can be reachd to another clamping unit can rotate great angle, and two clamping unit still can carry out the centre gripping to the oil drum upper edge smoothly.
In another embodiment of the present invention, two second clamping units 10 are distributed on two sides of the first clamping unit 1, a guiding rod 14 is fixedly connected to the column 8, a connecting rod 15 is rotatably disposed on each connecting rod 19, one end of each connecting rod 15 away from the corresponding connecting rod 19 is coaxially and rotatably connected to a same sliding column 16, the sliding columns 16 are slidably disposed on the guiding rods 14, and the two second clamping members and the connecting rods 15 are symmetrical with respect to the guiding rods 14. So, can realize that the motion of two second clamping unit 10 is synchronous, make two butt joint poles can arrive the butt station in step or break away from the butt station, second locking piece 13 also only need set up in addition can to because third elastic element 11 (torsional spring) is the vulnerable part, even consequently in this implementation the torsional spring of one of them second clamping unit 10 damages the trouble, two second clamping unit 10 still can normal use.
The invention also provides a forklift, which comprises a forklift body (not shown in the figures), a base 18 and a supporting structure 20, wherein the oil drum clamping device is arranged on the base 18, the supporting structure 20 is arranged on the base 18 to support the side wall of the lower part of the oil drum, and the base 18 is detachably connected to the fork of the forklift body.
Preferably, referring to fig. 9, the support structure 20 has an arc-shaped plate shape.
Preferably, referring to fig. 10-12, the supporting structure 20 includes a movable rod 21, the movable rod 21 is slidably disposed on the base 18, two movable arms 22 are slidably disposed on the movable rod 21, one of the movable arms 22 is rotatably connected to a first rotating roller 23 and a second rotating roller 24, a strap 25 is wound around the first rotating roller 23, the strap 25 is movably wound around the second rotating roller 24, and one end of the strap 25 is fixedly connected to an end of the other movable arm 22, and the strap 25 between the two movable arms 22 forms a semicircular shape to support a side wall of the lower portion of the oil drum. Preferably, the strip 25 is a woven tape or a flexible steel strip, and the flexible steel strip has the advantages that the strip 25 between the two movable arms 22 can be kept in an approximately semicircular shape, is convenient to support on the side wall of the oil drum, and automatically and completely fits the half circumference of the oil drum when the oil drum is lifted. Further, the device also comprises a limiting roller 34, wherein the limiting roller 34 is arranged in parallel with the second rotating roller 24, and the strip 25 passes through the position between the second rotating roller 24 and the limiting roller 34 to avoid the strip 25 from separating from the second rotating roller 24.
In the technical scheme, the oil drum lifting device provided by the invention has the advantages that the distance between the end parts of the two movable arms 22 is adjusted to be matched with the diameter of an oil drum, the strip 25 is wound or released through the first rotating roller, the length of the strip 25 between the end parts of the two movable arms 22 is matched with the half circumference of the side wall of the oil drum, the oil drum clamping device clamps the upper edge of the oil drum, and the support structure 20 effectively supports the half circumference of the side wall of the oil drum through the strip 25, so that the oil drum is lifted. This oil drum hoisting device is when promoting transport oil drum, and its bearing structure 20 can carry out the face contact support to various radial oil drums, and the supporting effect is good, makes oil drum lateral wall non-deformable.
As a preferred technical solution, the supporting structure 20 further includes a driving mechanism, the driving mechanism is configured to drive the two movable arms 22 to synchronously and reversely slide, and drive the movable rod 21 to slide relative to the base 18, so that the end portions of the two movable arms 22 far away from the movable rod 21 are matched with the side wall of the oil drum by the oil drum clamping device. Specifically, actuating mechanism includes drive unit and synchronous transmission unit, synchronous transmission unit includes axostylus axostyle 26, axostylus axostyle 26 rotates and sets up in the middle part of movable rod 21, fixedly connected with a T shape pole 27 on the axostylus axostyle 26, the three-terminal of T shape pole 27 is equal to axostylus axostyle 26 distance, the three-terminal of T shape pole 27 rotates respectively and is connected with a transfer line 28, wherein two transfer lines 28 keep away from T shape pole 27 tip and respectively rotate and connect a digging arm 22, these two transfer lines 28 remain parallel throughout, another transfer line 28 keeps away from T shape pole 27 tip and rotates and connect on base 18, specifically be the middle part at the crossbeam 18.1 of base 18 for this transfer line 28 rotation connection. Further, the projections of the rotation axis between the base 18 and the corresponding transmission rod 28, the shaft 26 and the oil drum clamping device on the horizontal plane are located on the same straight line. Can drive T shape pole 27 and rotate through rotating axostylus axostyle 26, T shape pole 27 rotates and can drive two movable arm 22 reverse slip synchronization and be close to or keep away from through the transfer line 28 that corresponds, T shape pole 27 makes movable rod 21 slide relative base 18 through the transfer line 28 between the crossbeam 18.1 with base 18 simultaneously, thereby adjust movable arm 22 and keep away from the horizontal distance between the one end of movable rod 21 and the oil drum clamping device, when ensureing bearing structure 20's strip 25 is the oil drum of the different diameters of adaptation, oil drum clamping device can centre gripping to the top edge of oil drum just, just so ensure that two movable arm 22 keep away from the one end of movable rod 21 and oil drum clamping device can be located the circumference of oil drum simultaneously.
As a further preferred technical solution, the driving unit includes a driving motor, an output shaft of the driving motor is coaxially and fixedly connected with the shaft 26, and the driving motor drives the shaft 26 to rotate.
As another preferred technical solution, the driving unit includes a hydraulic cylinder 29, a second rack 30 and a second gear 31, a cylinder base of the hydraulic cylinder 29 is fixedly and horizontally mounted on the movable rod 21, the second rack 30 is fixedly connected to a hydraulic rod of the hydraulic cylinder 29, the second gear 31 is coaxially and fixedly connected to the shaft 26, the second gear 31 is engaged with the second rack 30, the second rack 30 can be driven to horizontally move by horizontal extension and retraction of the hydraulic rod of the hydraulic cylinder 29, and the second rack 30 enables the second gear 31 to rotate by engagement and matching with the second gear 31, so as to drive the shaft 26 to rotate.
In another embodiment of the present invention, the supporting structure 20 further includes a servo motor 32, an electronic meter counter 33, and a control unit, wherein the servo motor 32 and the electronic meter counter 33 are disposed on the movable arm 22 on which the first rotating roller 23 is mounted, when the diameter of the oil drum changes, the distance between the ends of the two movable arms 22 far away from the movable rod 21 is adjusted by the hydraulic cylinder 29 to adapt to the diameter of the oil drum, the control unit calculates a difference of a half perimeter caused by a change of the diameter of the oil drum according to a telescopic amount of the hydraulic rod of the hydraulic cylinder 29, so as to control the servo motor 32 to drive the first rotating roller to rotate to wind or release the strip 25, the electronic meter counter 33 feeds back to the control unit when the length of the strip 25 wound or released by the first rotating roller is measured to reach the difference, and the control unit turns off the servo motor 32. This embodiment can realize intelligent regulation and make the diameter of bearing structure 20 adaptation oil drum, the operation of being convenient for.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides an oil drum clamping device which characterized in that, includes first clamping unit, first clamping unit includes:
the support rod is fixedly connected with a slide rod;
the lower clamp part is vertically and slidably arranged on the supporting rod through a sliding rod, and one end of the clamp part is provided with a clamp mouth;
the first elastic unit drives the lower clamp part to slide upwards relative to the supporting rod in the process of restoring the deformation;
the upper clamp part is rotatably arranged on the lower clamp part, one end of the upper clamp part is provided with a clamp hook, and the upper clamp part is provided with a sliding groove;
in the upward movement process of the support rod, when the lower tong part is abutted to the upper edge of the oil drum, the support rod continues to move upward relative to the lower tong part, and the upper tong part is rotated through the sliding fit of the sliding rod and the sliding groove, so that the tong hook and the tong nozzle clamp the upper edge of the oil drum.
2. The oil drum clamping device according to claim 1, wherein the first elastic unit comprises a first spring, one end of the first spring is connected with the support rod, and the other end of the first spring is connected with the sliding rod.
3. The oil drum clamping device according to claim 2, further comprising:
the supporting rod of the first clamping unit is vertically and slidably arranged on the column body;
the second elastic unit drives the supporting rod of the first clamping unit to slide upwards relative to the column body in the process of restoring the deformation;
the structure of the second clamping unit is consistent with that of the first clamping unit, a supporting rod of the second clamping unit is horizontally and rotatably arranged on the column body through a connecting rod, and an avoidance station far away from the oil drum and an abutting station abutting against the side wall of the oil drum are arranged on the rotation stroke of the second clamping unit;
the third elastic unit drives the connecting rod to rotate in the deformation recovery process so that the second clamping unit rotates from the avoiding station to the abutting station;
the first locking piece is used for locking the supporting rod and the column body of the first clamping unit under the condition that the elastic force of the second elastic unit is released, and unlocking when the first clamping unit clamps the upper edge of the oil drum;
and the second locking piece is used for locking the second clamping unit at the avoidance station and unlocking when the column moves upwards relative to the supporting rod of the first clamping unit.
4. The oil drum clamping device according to claim 3, wherein the upward movement of the cylinder sequentially comprises the following strokes:
in the first stroke, the cylinder drives the first clamping unit and the second clamping unit to synchronously move upwards until the clamp nozzle of the first clamping unit abuts against the upper edge of the oil drum;
in the second stroke, the cylinder drives the supporting rod of the first clamping unit to move upwards relative to the lower clamp part of the first clamping unit, the first clamping unit clamps the upper edge of the oil drum, and the first locking piece is unlocked;
in the third stroke, the cylinder moves upwards relative to the supporting rod of the first clamping unit, the second locking piece is unlocked, the second clamping unit rotates to the abutting station by the elastic force of the third elastic unit, and the clamp nozzle of the second clamping unit abuts against the outer side and the wall of the oil drum;
in the fourth stroke, the cylinder drives the second clamping unit to move upwards, and the clamp nozzle of the second clamping unit is abutted against the upper edge of the oil drum;
in the fifth stroke, the cylinder drives the supporting rod of the second clamping unit to move upwards relative to the lower clamp part of the second clamping unit, and the second clamping unit clamps the upper edge of the oil drum;
and in a sixth stroke, the cylinder body enables the oil drum to be lifted through the first clamping unit and the second clamping unit.
5. The oil drum clamping device according to claim 3, wherein the first locking member comprises:
the limiting block is fixedly connected to the column body;
the limiting rod is horizontally arranged on the supporting rod of the first clamping unit in a sliding mode, and a limiting station which is abutted against the limiting block to prevent the column body from sliding upwards relative to the supporting rod of the first elastic unit is arranged on the sliding stroke of the limiting rod;
the inclined groove is arranged at the top of the limiting rod;
the sliding block is fixedly connected to the lower clamp part of the first clamping unit and is in sliding fit with the inclined groove;
the support rod of the first clamping unit drives the sliding block to slide in the chute in the process of moving upwards relative to the lower clamp part of the first clamping unit, so that the limiting rod slides away from the limiting station.
6. The oil drum clamping device according to claim 3, wherein the second locking member comprises:
the rotating rod is rotatably arranged on the column body;
the stop rod is fixedly connected to the rotating rod, and a blocking station for keeping the second clamping unit at the avoiding station is arranged in the process that the stop rod rotates along with the rotating rod;
the first gear is coaxially and fixedly connected to the rotating rod;
the first rack is fixedly connected to the supporting rod of the first clamping unit and meshed with the first gear;
when the post rod moves upwards relative to the supporting rod of the first clamping unit, the first rack is driven to be meshed and matched with the first gear so that the rotating rod rotates, and the blocking rod rotates away from the blocking station.
7. The oil drum clamping device according to claim 3, wherein the second elastic unit comprises a second spring, one end of the second spring is connected with the column, and the other end of the second spring is connected with the supporting rod of the first clamping unit.
8. The oil drum clamping device according to claim 3, wherein the third elastic unit comprises a torsion spring, the torsion spring is sleeved on a rotating shaft fixedly connected with the connecting rod, one end of the torsion spring is fixedly connected with the rotating shaft, and the other end of the torsion spring is fixedly connected with the cylinder.
9. The oil drum clamping device according to claim 3, wherein two second clamping units are distributed on two sides of the first clamping unit, a guide rod is fixedly connected to the cylinder body, a connecting rod is rotatably arranged on the connecting rod respectively, one end of each connecting rod, which is far away from the corresponding connecting rod, is coaxially and rotatably connected with a same sliding column, and the sliding columns are slidably arranged on the guide rod.
10. A forklift is characterized by comprising a forklift body, a base and a supporting structure, wherein an oil drum clamping device is arranged on the base, the supporting structure is arranged on the base to support the side wall of the lower part of an oil drum, the base is detachably connected to a fork of the forklift body, and the oil drum clamping device is the oil drum clamping device in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111659831.6A CN114229750B (en) | 2021-12-30 | 2021-12-30 | Oil drum clamping device and forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111659831.6A CN114229750B (en) | 2021-12-30 | 2021-12-30 | Oil drum clamping device and forklift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114229750A true CN114229750A (en) | 2022-03-25 |
| CN114229750B CN114229750B (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111659831.6A Active CN114229750B (en) | 2021-12-30 | 2021-12-30 | Oil drum clamping device and forklift |
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| Country | Link |
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| CN (1) | CN114229750B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2633836Y (en) * | 2003-07-16 | 2004-08-18 | 青岛港（集团）有限公司 | Special clamp for oil barrel conveyor |
| CN207537069U (en) * | 2017-11-24 | 2018-06-26 | 广东豪之盛新材料有限公司 | A kind of oil barrel conveyor tool |
| CN208022652U (en) * | 2018-03-26 | 2018-10-30 | 江门生力华工程机械有限公司 | Oil drum presss from both sides |
-
2021
- 2021-12-30 CN CN202111659831.6A patent/CN114229750B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2633836Y (en) * | 2003-07-16 | 2004-08-18 | 青岛港（集团）有限公司 | Special clamp for oil barrel conveyor |
| CN207537069U (en) * | 2017-11-24 | 2018-06-26 | 广东豪之盛新材料有限公司 | A kind of oil barrel conveyor tool |
| CN208022652U (en) * | 2018-03-26 | 2018-10-30 | 江门生力华工程机械有限公司 | Oil drum presss from both sides |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114229750B (en) | 2022-06-24 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An oil drum clamping device and a forklift Effective date of registration: 20221230 Granted publication date: 20220624 Pledgee: Anhui Mingguang Rural Commercial Bank Co.,Ltd. Chengzhong Sub branch Pledgor: Anhui lift machinery manufacturing Co.,Ltd. Registration number: Y2022980029778 |
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