阅读说明：本技术 移动提升机 (Mobile elevator ) 是由 方策 李林峰 方芳 黄斌斌 方丹 翁自正 潘建忠 余舟 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种移动提升机,包括支架、液压提升装置、提升座以及料桶,所述液压提升装置设置在支架上,所述提升座沿竖向滑动设置在提升座上并且在所述液压提升装置的驱动下进行升降,所述提升座前部安装有叉杆；还包括一对转臂,所述转臂的一端通过销轴铰接于提升座前部,所述叉杆安装在所述转臂的另一端上,所述提升座上以销轴为中心沿周向均匀设置有多个调节孔,所述转臂上设有用于插入相应调节孔内对转臂进行锁定的锁紧杆；所述料桶上设有用于与叉杆构成插接配合的对接装置。本发明可快速更换叉架叉杆间距,满足不同大小料桶需求,实现一机多用。(The invention discloses a mobile elevator, which comprises a support, a hydraulic lifting device, a lifting seat and a charging basket, wherein the hydraulic lifting device is arranged on the support, the lifting seat is vertically and slidably arranged on the lifting seat and driven by the hydraulic lifting device to lift, and a fork rod is arranged at the front part of the lifting seat; the lifting device is characterized by further comprising a pair of rotating arms, one ends of the rotating arms are hinged to the front portion of the lifting seat through pin shafts, the fork rods are mounted at the other ends of the rotating arms, a plurality of adjusting holes are uniformly formed in the lifting seat along the circumferential direction by taking the pin shafts as the center, and locking rods which are inserted into the corresponding adjusting holes to lock the rotating arms are arranged on the rotating arms; the charging bucket is provided with a butt joint device which is used for forming a splicing fit with the fork rod. The fork arm fork rod spacing quick replacement device can quickly replace fork arm fork rod spacing, meets the requirements of charging buckets of different sizes, and achieves multiple purposes.)

1. The mobile elevator comprises a support (1), a hydraulic lifting device (2), a lifting seat (3) and a charging basket (25), wherein the hydraulic lifting device (2) is arranged on the support (1), the lifting seat (3) is vertically arranged on the lifting seat (3) in a sliding manner and driven by the hydraulic lifting device (2) to lift, and a fork rod (4) is arranged at the front part of the lifting seat (3); the method is characterized in that: the lifting device is characterized by further comprising a pair of rotating arms (5), one ends of the rotating arms (5) are hinged to the front portion of the lifting seat (3) through pin shafts (6), the fork rods (4) are installed at the other ends of the rotating arms (5), a plurality of adjusting holes (7) are uniformly formed in the lifting seat (3) along the circumferential direction by taking the pin shafts (6) as centers, and locking rods (9) which are inserted into the corresponding adjusting holes (7) and lock the rotating arms (5) are arranged on the rotating arms (5); the charging bucket (25) is provided with a butt joint device (26) which is used for forming a splicing fit with the fork rod (4).

2. The mobile hoist of claim 1, characterized in that: a guide hole (8) is formed in the middle of the rotating arm (5), a locking rod (9) matched with the adjusting hole (7) is arranged in the guide hole (8), and when the inner end of the locking rod (9) is inserted into the corresponding adjusting hole (7), the rotating arm (5) is locked; locking lever (9) include locking portion (10), well axial region (11) and screw head portion (12) that from interior to exterior set gradually, the outer end of guide hole (8) is equipped with first spacing step (13) to interior week extension, locking portion (10) with regulation hole (7) looks adaptation, the diameter of locking portion (10) is greater than the diameter of well axial region (11), forms between locking portion (10) and well axial region (11) and constitutes spacing complex second spacing step (14) with first spacing step (13), the outer end threaded connection of screw head portion (12) is used for constituting spacing complex with first spacing step (13) and draws cap (15).

3. The mobile hoist as claimed in claim 2, characterized in that: the periphery cover of well axial region (11) is equipped with first spring (16), the one end of first spring (16) is supported on first spacing step (13), and the other end of first spring (16) supports on second spacing step (14).

4. The mobile hoist as claimed in claim 2, characterized in that: one end, close to the middle shaft part (11), of the locking part (10) is provided with an insertion hole (18) along the axial direction, the inner end of the middle shaft part (11) is inserted into the insertion hole (18), a connecting screw (19) is in threaded connection with the part, close to the inner end, of the side part of the middle shaft part (11), and a long hole (20) for the connecting screw (19) to penetrate through is formed in the side part of the locking part (10).

5. The mobile hoist of claim 1, characterized in that: a flat-head limiting part (21) is arranged at one end of the pin shaft (6), a threaded part (22) is arranged at the other end of the pin shaft (6), a nut (23) is in threaded connection with the threaded part (22), one side, close to the threaded part (22), of the flat-head limiting part (21) abuts against the inner side of the lifting seat (3), and one side, close to the flat-head limiting part (21), of the nut (23) abuts against the outer side of the rotating arm (5); the periphery of the pin shaft (6) is further sleeved with a flat pad (24), and the flat pad (24) is clamped between the nut (23) and the rotating arm (5).

6. The mobile hoist of claim 1, characterized in that: the butt joint device (26) comprises a base (27), a pressing pipe (28) and a locking reed (29), the base (27) is connected to the side part of the charging bucket (25), the pressing pipe (28) is connected to the base (27) in a threaded manner, and the pressure pipe (28) is provided with a third limit step (30) which is used for abutting against the base (27), a first guide hole (31) for the fork rod (4) to extend into is arranged on the base (27), a second guide hole (32) which is used for the fork rod (4) to extend into and is coaxial with the first guide hole (31) is arranged in the pressure pipe (28), the size of the first guide hole (31) is the same as that of the second guide hole (32), a first mounting groove (33) is arranged at one end, close to the pressure pipe (28), of the first guide hole (31), a second mounting groove (34) is arranged at one end, close to the base (27), of the second guide hole (8), the locking reed (29) is embedded in the first mounting groove (33) and the second mounting groove (34); locking reed (29) includes basilar part (35), the both ends of basilar part (35) are equipped with first elasticity portion of bending (36) and second elasticity portion of bending (37) respectively, first elasticity portion of bending (36) and second elasticity portion of bending (37) all incline towards storage bucket (25) direction, contained angle between first elasticity portion of bending (36) and the horizontal plane is less than the contained angle between second elasticity portion of bending (37) and the horizontal plane, and first elasticity portion of bending (36) and second elasticity portion of bending (37) extend to in first guiding hole (31) and second guiding hole (32) respectively, be equipped with on first elasticity portion of bending (36) and be used for supporting tightly the first locking portion of bending (38) on fork pole (4) surface, contained angle between first locking portion of bending (38) and the horizontal plane is greater than the contained angle between first elasticity portion of bending (36) and the horizontal plane, be equipped with on the second elasticity portion of bending (37) and be used for supporting tightly bending the second locking portion of bending on fork pole (4) surface The included angle between the second locking bending part (39) and the horizontal plane is smaller than the included angle between the second elastic bending part (37) and the horizontal plane.

7. The mobile hoist as claimed in claim 6, characterized in that: the inner end of the base (27) is provided with a threaded groove (40) and a third guide hole (41) which are communicated with each other from outside to inside, the third guide hole (41) is communicated with the first guide hole (31), an ejection sliding block (42) is arranged in the third guide hole (41) in a sliding mode, a buffer sheet (43) is arranged at one end, close to the locking reed (29), of the ejection sliding block (42), a pressing plate (44) is connected to the threaded groove (40) in a threaded mode, a plurality of thumb grooves (45) are formed in the pressing plate (44) in the circumferential direction, a second spring (46) is arranged between the pressing plate (44) and the ejection sliding block (42), one end of the second spring (46) is connected with the pressing plate (44), and the other end of the second spring (46) is connected with the ejection sliding block (42); first elasticity is bent portion (36) and second elasticity and is connected with trigger piece (47) between portion (37), trigger piece (47) are on a parallel with basilar part (35), trigger piece (47), basilar part (35), press pipe (28) and base (27) to go up and be equipped with coaxial first line hole (48), second line hole (49), third line hole (50) and fourth line hole (51) of each other in proper order, trigger piece (47) upside is equipped with triggers piece (52), base (27) outside has been seted up and has been accomodate groove (53), has set up pull ring (54) on accomodating groove (53), pull ring (54) and trigger piece (52) are connected through acting as go-between (55), and act as go-between (55) and pass first line hole (48), second line hole (49), third line hole (50) and fourth line hole (51) in proper order.

8. The mobile hoist as claimed in claim 6, characterized in that: the outside cover of fork arm (4) is equipped with lag (56), the both ends of lag (56) are equipped with first toper guide part (57) and second toper guide part (58) respectively, and lag (56) are connected with fork arm (4) through locking screw (59) to interference groove (60) are prevented that nut (23) portion embedding that supplies locking screw (59) is seted up to the periphery of lag (56).

9. The mobile hoist as claimed in claim 6, characterized in that: a pair of guide plates (61) arranged in parallel is welded on the side part of the charging bucket (25), one end, close to the charging bucket (25), of the base (27) is arranged between the two guide plates (61) in a sliding mode, a guide concave part (62) is formed in each of the inner sides of the two guide plates (61) along the length direction, and a guide convex part (63) used for being embedded into the corresponding guide concave part (62) is arranged on each of the upper side and the lower side of the base (27); each guide plate (61) is provided with a locking assembly (64) respectively, each locking assembly (64) comprises a locking pull rod (65), a third spring (66) and a support sheet (67), a lower locking hole (68) is formed in each guide convex part (63), a plurality of upper locking holes (69) are uniformly formed in each guide plate (61) along the length direction, a U-shaped support (70) is formed in each guide plate (61), a sliding hole (71) is formed in each U-shaped support (70) along the length direction, a T-shaped slide way (104) is arranged at the upper end of each sliding hole (71), each locking pull rod (65) sequentially penetrates through each sliding hole (71), one upper locking hole (69) and the lower locking hole (68), each support sheet (67) is sleeved on the periphery of each locking pull rod (65), each support sheet (67) is slidably arranged on each T-shaped slide way (104), each third spring (66) is sleeved on the periphery of each locking pull rod (65), one end of the third spring (66) is connected with the support sheet (67), and the other end of the third spring (66) is connected with the pull rod head of the locking pull rod (65).

10. The mobile hoist of claim 1, characterized in that: the charging bucket (25) comprises a side bucket part (72) and a bottom cover (73), the bottom cover (73) is in threaded connection with the bottom end of the side bucket part (72), a first sealing gasket (74) is clamped between the bottom cover (73) and the bottom end of the side bucket part (72), a partition plate (75) is arranged in the side bucket part (72) at a position close to the bottom end, a rubber sleeve (76) is arranged on the inner wall of the side bucket part (72) and above the partition plate (75), an adjusting plate (77) is arranged in the rubber sleeve (76) in an axial sliding manner, a plurality of guide grooves (78) are uniformly arranged on the side part of the adjusting plate (77) along the circumferential direction, a plurality of guide convex strips (79) matched with the guide grooves (78) are uniformly arranged on the inner wall of the rubber sleeve (76) along the circumferential direction, and the space between the adjusting plate (77) and the bottom cover (73) is divided into an upper cavity (80) and a lower cavity (81) by the partition plate (75), a first air pressure adjusting assembly (82) is arranged in the center of the partition plate (75), and a plurality of second air pressure adjusting assemblies (83) are uniformly arranged at the position, close to the edge, of the partition plate (75) along the circumferential direction; first atmospheric pressure adjusting part (82) includes first seal receptacle (84), first regulating spring (85) and first movable rod (86), baffle (75) middle part is equipped with first water conservancy diversion hole (87), first movable hole (88) and first screw hole (89) that the diameter increases in proper order from top to bottom, first seal receptacle (84) threaded connection is on first screw hole (89) to be equipped with first sealing washer (90) between first seal receptacle (84) and first screw hole (89) the inner, first water conservancy diversion passageway (91) have been seted up along the axial on first seal receptacle (84), first movable rod (86) slide to be set up in first water conservancy diversion hole (87), the lower extreme of first movable rod (86) is equipped with and is the hemisphere and is used for propping to constitute sealed first seal flap (92) in first water conservancy diversion hole (87) the inner, first seal flap (92) set up in first movable hole (88) and the periphery and the first movable hole (92) of first seal flap (92) are (88) The inner walls of the first sealing flap (92) are tightly attached, a first confluence channel (93) which extends to the first movable rod (86) and is used for communicating the first movable hole (88) with the first flow guiding hole (87) is formed in the first sealing flap (92), the first adjusting spring (85) is sleeved on the periphery of the first movable rod (86), and two ends of the first adjusting spring (85) respectively abut against the inner end of the first movable hole (88) and the upper end of the first sealing flap (92); the second air pressure adjusting assembly (83) comprises a second sealing seat (94), a second adjusting spring (95) and a second movable rod (96), the part, close to the edge, of the partition plate (75) is provided with a second diversion hole (97), a second movable hole (98) and a second threaded hole (99) with diameters sequentially increasing from bottom to top, the number of the second diversion hole (97), the second movable hole (98) and the second threaded hole (99) is the same as that of the second air pressure adjusting assembly (83), the second sealing seat (94) is in threaded connection with the second threaded hole (99), a second sealing ring (100) is arranged between the second sealing seat (94) and the inner end of the second threaded hole (99), a second diversion channel (101) is formed in the second sealing seat (94) in the axial direction, the second movable rod (96) is arranged in the second diversion hole (97) in a sliding mode, and the upper end of the second movable rod (96) is hemispherical and used for abutting against the inner end of the second diversion hole (97) Constitute sealed second sealing flap (102), second sealing flap (102) set up in second activity hole (98) and the periphery of second sealing flap (102) closely laminates with the inner wall of second activity hole (98), offer on second sealing flap (102) and extend to second movable rod (96) and be used for second activity hole (98) and second guiding hole (97) second passageway (103) of converging that switch on, second regulating spring (95) cover is established in second movable rod (96) periphery to the both ends of second regulating spring (95) are supported respectively in second activity hole (98) inner and second sealing flap (102) lower extreme.

Technical Field

The invention relates to the technical field of elevators, in particular to a mobile elevator.

Background

The lifting machine is a device for lifting the hopper to a designated position of the device, and generally comprises a support, a hydraulic lifting device and a lifting seat, wherein the hydraulic lifting device is arranged at the bottom of the support, the lifting seat vertically moves on the support and is driven by the hydraulic lifting device to lift, and a pair of fork rods for forking the hopper are arranged on the lifting seat.

The fork rod spacing of the conventional hoister is single, different types of hoists need to be configured at different spacings, namely, hoists of different types need to be configured for charging buckets of different specifications, and the universality is poor.

Disclosure of Invention

The invention aims to provide a mobile hoister which can quickly change the distance between fork arms of a fork frame, meet the requirements of charging baskets with different sizes and realize multiple purposes.

In order to achieve the purpose, the invention provides the following technical scheme: the movable lifting machine comprises a support, a hydraulic lifting device, a lifting seat and a charging bucket, wherein the hydraulic lifting device is arranged on the support, the lifting seat is vertically and slidably arranged on the lifting seat and driven by the hydraulic lifting device to lift, and a fork rod is arranged at the front part of the lifting seat; the lifting device is characterized by further comprising a pair of rotating arms, one ends of the rotating arms are hinged to the front portion of the lifting seat through pin shafts, the fork rods are mounted at the other ends of the rotating arms, a plurality of adjusting holes are uniformly formed in the lifting seat along the circumferential direction by taking the pin shafts as the center, and locking rods which are inserted into the corresponding adjusting holes to lock the rotating arms are arranged on the rotating arms; the charging bucket is provided with a butt joint device which is used for forming a splicing fit with the fork rod.

By adopting the technical scheme, the distance between the two fork rods can be adjusted according to the size of the charging bucket or the distance between the slots of the charging bucket, namely, the locking rod on the rotating arm is pulled out firstly, so that the locking rod sleeve is separated from the corresponding adjusting hole, the rotating arm is rotated, the rotating arm drives the fork rods to rotate the fork rods to the proper distance, then the locking rods are inserted into the corresponding adjusting holes, the locking of the rotating arm is realized, then the charging bucket is placed on the fork rods of the elevator, and the hydraulic lifting device is started to enable the charging bucket to do lifting motion. Therefore, but this practicality carries out quick replacement crotch fork arm interval, satisfies not equidimension storage bucket demand, realizes a tractor serves several purposes, and in addition, its appearance is pleasing to the eye, and the structure is succinct, accords with the GMP requirement.

The invention is further arranged in such a way that a guide hole is formed in the middle of the rotating arm, a locking rod matched with the adjusting hole is arranged in the guide hole, and when the inner end of the locking rod is inserted into the corresponding adjusting hole, the locking of the rotating arm is realized; the utility model discloses a guide hole, including guide hole, locking lever, guide hole, regulating hole, locking lever, screw thread head, locking lever include locking portion, well axial region and the screw thread head that from inside to outside sets gradually, the outer end of guide hole is equipped with the first spacing step that extends to interior week, the locking portion with regulating hole looks adaptation, the diameter of locking portion is greater than the diameter of well axial region, forms the spacing complex second spacing step of constitution with first spacing step between locking portion and the well axial region, the outer end threaded connection of screw thread head is used for constituting spacing complex with first spacing step and draws the cap.

Through adopting above-mentioned technical scheme, when realizing the mounting of check lock lever, can realize spacing to the stroke of check lock lever.

The invention is further provided that the periphery of the middle shaft part is sleeved with a first spring, one end of the first spring is propped against the first limit step, and the other end of the first spring is propped against the second limit step.

Through adopting above-mentioned technical scheme, can utilize first spring force to impress the check lock pole in the regulation hole, play the anticreep effect to the check lock pole.

The invention is further provided that one end of the locking part close to the middle shaft part is provided with an inserting hole along the axial direction, the inner end of the middle shaft part is inserted in the inserting hole, the part of the side part of the middle shaft part close to the inner end is connected with a connecting screw in a threaded manner, and the side part of the locking part is provided with a long hole for the connecting screw to pass through.

Through adopting above-mentioned technical scheme, simple structure not only, processing is convenient, can adjust the relative position of sticking department and well axial region moreover, and then can be according to the pretightning force of the first spring of the nimble regulation of design requirement, realize the anticreep effect to the locking lever.

The invention is further arranged in that one end of the pin shaft is provided with a flat-head limiting part, the other end of the pin shaft is provided with a threaded part, the threaded part is in threaded connection with a nut, one side of the flat-head limiting part, which is close to the threaded part, abuts against the inner side of the lifting seat, and one side of the nut, which is close to the flat-head limiting part, abuts against the outer side of the rotating arm; the periphery of the pin shaft is further sleeved with a flat gasket, and the flat gasket is clamped between the nut and the rotating arm.

Through adopting above-mentioned technical scheme, can realize the stable installation of round pin axle, the gasket can play locking effect to the nut simultaneously to further guarantee the stability of round pin axle installation.

The butt joint device further comprises a base, a pressing pipe and a locking reed, wherein the base is connected to the side part of the charging bucket, the pressing pipe is connected to the base in a threaded mode, a third limiting step used for abutting against the base is arranged on the pressing pipe, a first guide hole for the fork rod to extend into is formed in the base, a second guide hole for the fork rod to extend into and is coaxial with the first guide hole is formed in the pressing pipe, the size of the first guide hole is the same as that of the second guide hole, a first mounting groove is formed in one end, close to the pressing pipe, of the first guide hole, a second mounting groove is formed in one end, close to the base, of the second guide hole, and the locking reed is embedded in the first mounting groove and the second mounting groove; the locking reed comprises a base part, a first elastic bending part and a second elastic bending part are respectively arranged at two ends of the base part, the first elastic bending part and the second elastic bending part are inclined towards the charging bucket, the included angle between the first elastic bending part and the horizontal plane is smaller than the included angle between the second elastic bending part and the horizontal plane, and the first elastic bending part and the second elastic bending part respectively extend into the first guide hole and the second guide hole, the first elastic bending part is provided with a first locking bending part which is used for abutting against the surface of the fork rod, the included angle between the first locking bending part and the horizontal plane is larger than the included angle between the first elastic bending part and the horizontal plane, the second elastic bending part is provided with a second locking bending part which is used for abutting against the surface of the fork rod, and the included angle between the second locking bending part and the horizontal plane is smaller than the included angle between the second elastic bending part and the horizontal plane.

Through adopting above-mentioned technical scheme, when the fork arm was pegged graft with interfacing apparatus and is cooperated, the first locking portion of bending and the second locking portion of bending on interfacing apparatus's the locking reed support at the fork arm bottom side, because first elasticity portion of bending and second elasticity portion of bending all incline towards the storage bucket direction, consequently at the promotion in-process of storage bucket, the fork arm breaks away from interfacing apparatus, consequently, can guarantee the stability and the security that the storage bucket promoted.

The invention is further set that the inner end of the base is provided with a thread groove and a third guide hole which are mutually communicated from outside to inside, the third guide hole is communicated with the first guide hole, an ejection slide block is arranged in the third guide hole in a sliding manner, one end, close to the locking reed, of the ejection slide block is provided with a buffer sheet, the thread groove is in threaded connection with a pressure plate, a plurality of thumb grooves are arranged on the pressure plate along the circumferential direction, a second spring is arranged between the pressure plate and the ejection slide block, one end of the second spring is connected with the pressure plate, and the other end of the second spring is connected with the ejection slide block; first elasticity is bent and is connected with the trigger piece between the portion of bending with second elasticity, the trigger piece is on a parallel with the basilar part, be equipped with coaxial first line hole, second line hole, third line hole and fourth line hole of each other on trigger piece, basilar part, pressure pipe and the base in proper order, trigger piece upside is equipped with the trigger block, the base outside has been seted up and has been accomodate the groove, has inlayed on accomodating the groove and has been equipped with the pull ring, the pull ring is connected through acting as go-between with the trigger block, and it passes first line hole, second line hole, third line hole and fourth line hole in proper order to act as go-between.

Through adopting above-mentioned technical scheme, the pulling ring is pulled, the pull ring drives the trigger block through acting as go-between and is descended, trigger block pushes down the trigger piece, make first elasticity portion of bending and the deformation of the second elasticity portion of bending, thereby make first locking portion of bending and second locking portion of bending break away from the fork arm, and simultaneously, second spring release spring force acts on and launches the slider, the messenger launches the slider and pops out, it promotes the fork arm to launch the slider, make fork arm and interfacing apparatus separate, thereby realize the quick dismantlement of storage bucket and fork arm, the maintenance operation in the later stage of being convenient for.

The invention is further arranged in such a way that a protective sleeve is sleeved outside the fork rod, a first conical guide part and a second conical guide part are respectively arranged at two ends of the protective sleeve, the protective sleeve is connected with the fork rod through a locking screw, and an interference preventing groove for embedding the nut part of the locking screw is formed in the periphery of the protective sleeve.

Through adopting above-mentioned technical scheme, the lag can protect the fork arm, avoids the fork arm by the locking reed fish tail, and it is very convenient to change the lag simultaneously, does benefit to the maintenance operation in later stage, has also reduced the maintenance cost in later stage simultaneously.

The invention is further arranged in a way that a pair of guide plates arranged in parallel are welded on the side part of the charging bucket, one end of the base close to the charging bucket is arranged between the two guide plates in a sliding way, the inner sides of the two guide plates are respectively provided with a guide concave part along the length direction, and the upper side and the lower side of the base are respectively provided with a guide convex part used for being embedded into the corresponding guide concave part; each guide plate is provided with a locking assembly, each locking assembly comprises a locking pull rod, a third spring and a supporting piece, a lower locking hole is formed in each guide convex part, a plurality of upper locking holes are uniformly formed in each guide plate along the length direction, each guide plate is provided with a U-shaped support, each U-shaped support is provided with a sliding hole along the length direction, a T-shaped slide way is arranged at the upper end of each sliding hole, each locking pull rod sequentially penetrates through the corresponding sliding hole, one upper locking hole and one lower locking hole, the supporting piece is sleeved on the periphery of each locking pull rod, the supporting pieces are arranged on the T-shaped slide ways in a sliding mode, the third spring is sleeved on the periphery of each locking pull rod, one end of each third spring is connected with the corresponding supporting piece, and the other end of each third spring is connected with a pull rod head of the corresponding locking pull rod.

Through adopting above-mentioned technical scheme, when the interval between the fork arm changes, interval between the interfacing apparatus also can change, only need adjust the position of interfacing apparatus base between two baffle this moment, will utilize the locking pull rod to lock the base again at last can, it is very convenient to adjust.

The charging barrel is further provided with a side barrel part and a bottom cover, the bottom cover is in threaded connection with the bottom end of the side barrel part, a first sealing gasket is clamped between the bottom cover and the bottom end of the side barrel part, a partition plate is arranged in the side barrel part at a position close to the bottom end, a rubber sleeve is arranged on the inner wall of the side barrel part and above the partition plate, an adjusting plate is arranged in the rubber sleeve in an axial sliding mode, a plurality of guide grooves are uniformly formed in the side part of the adjusting plate along the circumferential direction, a plurality of guide convex strips matched with the guide grooves are uniformly arranged on the inner wall of the rubber sleeve along the circumferential direction, the space between the adjusting plate and the bottom cover is divided into an upper cavity and a lower cavity by the partition plate, a first air pressure adjusting assembly is arranged in the center of the partition plate, and a plurality of second air pressure adjusting assemblies are uniformly arranged on the position, close to the edge, of the partition plate along the circumferential direction; the first air pressure adjusting assembly comprises a first sealing seat, a first adjusting spring and a first movable rod, wherein the middle part of the partition plate is provided with a first guide hole, a first movable hole and a first threaded hole, the diameters of the first guide hole, the first movable hole and the first threaded hole are sequentially increased from top to bottom, the first sealing seat is in threaded connection with the first threaded hole, a first sealing ring is arranged between the first sealing seat and the inner end of the first threaded hole, the first sealing seat is axially provided with a first guide channel, the first movable rod is slidably arranged in the first guide hole, the lower end of the first movable rod is provided with a hemispherical first sealing flap which is used for abutting against the inner end of the first guide hole to form sealing, the first sealing flap is arranged in the first movable hole, the periphery of the first sealing flap is tightly attached to the inner wall of the first movable hole, the first seal flap is provided with a first confluence channel which extends to the first movable rod and is used for communicating the first guide hole with the first guide hole, the first adjusting spring is sleeved on the periphery of the first movable rod, and two ends of the first adjusting spring respectively abut against the inner end of the first movable hole and the upper end of the first sealing flap; the second air pressure adjusting assembly comprises a second sealing seat, a second adjusting spring and a second movable rod, a second guide hole, a second movable hole and a second threaded hole which are sequentially increased in diameter are formed in the position, close to the edge, of the partition plate from bottom to top, the number of the second guide hole, the second movable hole and the second threaded hole is the same as that of the second air pressure adjusting assembly, the second sealing seat is connected to the second threaded hole in a threaded mode, a second sealing ring is arranged between the second sealing seat and the inner end of the second threaded hole, a second guide channel is axially formed in the second sealing seat, the second movable rod is arranged in the second guide hole in a sliding mode, a hemispherical second sealing flap which abuts against the inner end of the second guide hole to form sealing is arranged at the upper end of the second movable rod, the second sealing flap is arranged in the second movable hole, and the periphery of the second sealing flap is tightly attached to the inner wall of the second movable hole, and a second confluence channel which extends to the second movable rod and is used for communicating the second movable hole with the second diversion hole is arranged on the second sealing flap, the second adjusting spring is sleeved on the periphery of the second movable rod, and two ends of the second adjusting spring respectively abut against the inner end of the second movable hole and the lower end of the second sealing flap.

Through adopting above-mentioned technical scheme, when the material in the storage bucket is too much, can play the effect of anti-overflow, the in-process that promotes promptly with higher speed, the regulating plate can be down to promote the volume of storage bucket, the material sinks, avoid the material to receive ascending acceleration in the twinkling of an eye and spill over, the material slows down at the eminence until when stopping, the regulating plate slowly rises, make the storage bucket volume slowly resume to initial size, and the material steadily rises to initial position, finally realize the anti-overflow function of material.

Drawings

FIG. 1 is a front view of the present invention with the bucket removed;

FIG. 2 is a side view of the present invention with the bucket removed;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a side view of the present invention in its entirety;

FIG. 5 is a schematic structural diagram of the docking device of the present invention;

FIG. 6 is a schematic structural view of the bucket of the present invention;

FIG. 7 is an enlarged view of the portion B of FIG. 6;

fig. 8 is an enlarged schematic view of the portion C in fig. 6.

In the figure: 1. a support; 2. a hydraulic lifting device; 3. a lifting seat; 4. a fork lever; 5. a rotating arm; 6. a pin shaft; 7. an adjustment hole; 8. a guide hole; 9. a locking lever; 10. a locking portion; 11. a middle shaft portion; 12. a threaded head; 13. a first limit step; 14. a second limit step; 15. pulling the cap; 16. a first spring; 18. a jack; 19. a connecting screw; 20. a long hole; 21. a flat head limiting part; 22. a threaded portion; 23. a nut; 24. flattening the cushion; 25. a charging bucket; 26. a docking device; 27. a base; 28. pressing a pipe; 29. locking the reed; 30. a third limiting step; 31. a first guide hole; 32. a second guide hole; 33. a first mounting groove; 34. a second mounting groove; 35. a base portion; 36. a first elastic bending part; 37. a second elastic bending part; 38. a first locking bending part; 39. a second locking bending part; 40. a thread groove; 41. a third guide hole; 42. ejecting a sliding block; 43. a buffer sheet; 44. a platen; 45. a thumb groove; 46. a second spring; 47. a trigger piece; 48. a first wire hole; 49. a second wire hole; 50. a third wire hole; 51. a fourth wire hole; 52. a trigger block; 53. a receiving groove; 54. a pull ring; 55. a pull wire; 56. a protective sleeve; 57. a first tapered guide portion; 58. a second tapered guide portion; 59. locking screws; 60. an anti-interference groove; 61. a guide plate; 62. a guide recess; 63. a guide projection; 64. a locking assembly; 65. locking the pull rod; 66. a third spring; 67. a support sheet; 68. a lower locking hole; 69. an upper locking hole; 70. a U-shaped bracket; 71. a slide hole; 72. a side tub portion; 73. a bottom cover; 74. a first gasket; 75. a partition plate; 76. a rubber sleeve; 77. an adjusting plate; 78. a guide groove; 79. a guide convex strip; 80. an upper chamber; 81. a lower cavity; 82. a first pneumatic pressure regulating assembly; 83. a second air pressure regulating assembly; 84. a first seal seat; 85. a first regulating spring; 86. a first movable bar; 87. a first flow guide hole; 88. a first movable hole; 89. a first threaded hole; 90. a first seal ring; 91. a first flow guide passage; 92. a first sealing flap; 93. a first bus duct; 94. a second seal seat; 95. a second regulating spring; 96. a second movable bar; 97. a second flow guide hole; 98. a second movable hole; 99. a second threaded hole; 100. a second seal ring; 101. a second flow guide channel; 102. a second sealing flap; 103. a second bus duct; 104. t-shaped slide way.

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 (b): the movable lifting machine shown in the attached figures 1-8 comprises a support 1, a hydraulic lifting device 2, a lifting seat 3 and a charging basket 25, wherein the hydraulic lifting device 2 is arranged on the support 1, the lifting seat 3 is vertically and slidably arranged on the lifting seat 3 and is driven by the hydraulic lifting device 2 to lift, and a fork rod 4 is arranged at the front part of the lifting seat 3; the lifting device is characterized by further comprising a pair of rotating arms 5, one ends of the rotating arms 5 are hinged to the front portion of the lifting seat 3 through pin shafts 6, the fork rods 4 are installed at the other ends of the rotating arms 5, a plurality of adjusting holes 7 are uniformly formed in the lifting seat 3 along the circumferential direction by taking the pin shafts 6 as the center, when the inner ends of the locking rods 9 are inserted into the corresponding adjusting holes 7, the locking of the rotating arms 5 is achieved, and locking rods 9 which are inserted into the corresponding adjusting holes 7 and used for locking the rotating arms 5 are arranged on the rotating arms 5; the charging bucket 25 is provided with a butt joint device 26 which is used for forming a plug fit with the fork rod 4. The distance between the two fork rods 4 can be adjusted according to the size of the charging bucket 25 or the distance between the slots of the charging bucket 25, namely, the locking rod 9 on the rotating arm 5 is pulled out firstly, so that the locking rod 9 is separated from the corresponding adjusting hole 7, the rotating arm 5 is rotated, the rotating arm 5 drives the fork rods 4 to rotate the fork rods 4 to a proper distance, then the locking rods are inserted into the corresponding adjusting holes, the locking of the rotating arm 5 is realized, then the charging bucket 25 is placed on the fork rods 4 of the elevator, the hydraulic lifting device 2 is started, and the charging bucket 25 is lifted. Therefore, but this practicality carries out 4 intervals of quick replacement crotch fork arm, satisfies not equidimension storage bucket 25 demands, realizes a tractor serves several purposes, and in addition, its appearance is pleasing to the eye, and the structure is succinct, accords with the GMP requirement.

As shown in fig. 3, a guide hole 8 is formed in the middle of the rotating arm 5, a locking rod 9 adapted to the adjusting hole 7 is arranged in the guide hole 8, and when the inner end of the locking rod 9 is inserted into the corresponding adjusting hole 7, the rotating arm 5 is locked; locking lever 9 includes locking portion 10, well axial region 11 and the screw thread head 12 that from interior to exterior set gradually, well axial region 11 and screw thread head 12 formula structure as an organic whole, the outer end of guide hole 8 is equipped with the first spacing step 13 of extending to interior week, locking portion 10 with regulation hole 7 looks adaptation, the diameter of locking portion 10 is greater than the diameter of well axial region 11, forms between locking portion 10 and the well axial region 11 and constitutes spacing complex second spacing step 14 with first spacing step 13, the outer end threaded connection of screw thread head 12 is used for constituting spacing complex with first spacing step 13 and draws cap 15. This design can realize spacing the stroke of locking lever 9 when realizing the installation of locking lever 9.

As shown in fig. 3, the outer periphery of the middle shaft portion 11 is sleeved with a first spring 16, one end of the first spring 16 abuts against the first limit step 13, and the other end of the first spring 16 abuts against the second limit step 14. This structure can utilize first spring 16 power to push in the regulation hole 7 locking lever 9, plays the anticreep effect to locking lever 9.

As shown in fig. 3, a jack 18 is axially formed in one end, close to the middle shaft part 11, of the locking part 10, the inner end of the middle shaft part 11 is inserted into the jack 18, a connecting screw 19 is connected to a position, close to the inner end, of a side part of the middle shaft part 11 in a threaded manner, a long hole 20 for the connecting screw 19 to pass through is formed in the side part of the locking part 10, a process groove for embedding a screw head of the connecting screw 19 can be further formed in a position, located at the outer end of the long hole 20, of the side part of the locking part 10, the process groove can hide the screw head, and interference on movement of the locking rod 9 is avoided. This design is simple structure not only, and processing is convenient, can adjust the relative position of sticking portion 10 and well axial region 11 moreover, and then can be according to the nimble pretightning force of adjusting first spring 16 of design requirement, realize the anticreep effect to locking lever 9.

As shown in fig. 3, one end of the pin 6 is provided with a flat-head limiting portion 21, the other end of the pin 6 is provided with a threaded portion 22, a nut 23 is connected to the threaded portion 22 in a threaded manner, one side of the flat-head limiting portion 21, which is close to the threaded portion 22, abuts against the inner side of the lifting seat 3, one side of the nut 23, which is close to the flat-head limiting portion 21, abuts against the outer side of the rotating arm 5, and this design can realize stable installation of the pin 6.

As shown in fig. 3, the periphery of the pin 6 is further sleeved with a flat pad 24, and the flat pad 24 is clamped between the nut 23 and the rotating arm 5, so that the design can play a role in preventing the nut 23 from being loosened, thereby ensuring the stability of the installation of the pin 6.

As shown in fig. 5, the docking device 26 includes a base 27, a pressing pipe 28 and a locking spring 29, the base 27 is connected to the side of the charging bucket 25, the pressing pipe 28 is connected to the base 27 by a screw, and a third limiting step 30 for abutting against the base 27 is provided on the pressing pipe 28, a first guide hole 31 for the fork rod 4 to extend into is provided on the base 27, a second guide hole 32 for the fork rod 4 to extend into and be coaxial with the first guide hole 31 is provided in the pressing pipe 28, the size of the first guide hole 31 is the same as that of the second guide hole 32, a first mounting groove 33 is provided at one end of the first guide hole 31 close to the pressing pipe 28, a second mounting groove 34 is provided at one end of the second guide hole 8 close to the base 27, and the locking spring 29 is embedded in the first mounting groove 33 and the second mounting groove 34; the locking reed 29 comprises a base part 35, a first elastic bending part 36 and a second elastic bending part 37 are respectively arranged at two ends of the base part 35, the first elastic bending part 36 and the second elastic bending part 37 are inclined towards the charging bucket 25, an included angle between the first elastic bending part 36 and the horizontal plane is smaller than an included angle between the second elastic bending part 37 and the horizontal plane, and the first elastic bend 36 and the second elastic bend 37 extend into the first guide hole 31 and the second guide hole 32 respectively, the first elastic bending part 36 is provided with a first locking bending part 38 for abutting against the surface of the fork rod 4, the included angle between the first locking bending part 38 and the horizontal plane is larger than the included angle between the first elastic bending part 36 and the horizontal plane, the second elastic bending part 37 is provided with a second locking bending part 39 which is used for abutting against the surface of the fork rod 4, and the included angle between the second locking bending part 39 and the horizontal plane is smaller than the included angle between the second elastic bending part 37 and the horizontal plane. When the fork rod 4 is in splicing fit with the butt joint device 26, the first locking bending part 38 and the second locking bending part 39 on the locking reed 29 of the butt joint device 26 are abutted to the bottom side of the fork rod 4, and because the first elastic bending part 36 and the second elastic bending part 37 are both inclined towards the charging basket 25, in the lifting process of the charging basket 25, the fork rod 4 is separated from the butt joint device 26, so that the lifting stability and safety of the charging basket 25 can be ensured.

As shown in fig. 5, a threaded groove 40 and a third guide hole 41 which are communicated with each other are formed in the inner end of the base 27 from outside to inside, the third guide hole 41 is communicated with the first guide hole 31, an ejection slider 42 is slidably arranged in the third guide hole 41, a buffer sheet 43 is arranged at one end, close to the locking spring 29, of the ejection slider 42, a pressure plate 44 is in threaded connection with the threaded groove 40, a plurality of thumb grooves 45 are circumferentially arranged on the pressure plate 44, a second spring 46 is arranged between the pressure plate 44 and the ejection slider 42, one end of the second spring 46 is connected with the pressure plate 44, and the other end of the second spring 46 is connected with the ejection slider 42; first elasticity portion 36 and the second elasticity portion 37 of bending are connected with trigger piece 47 between, trigger piece 47 is on a parallel with basilar part 35, be equipped with mutual coaxial first line hole 48, second line hole 49, third line hole 50 and fourth line hole 51 on trigger piece 47, basilar part 35, pressure pipe 28 and the base 27 in proper order, trigger piece 47 upside is equipped with trigger block 52, the groove 53 has been seted up in the base 27 outside, and it is equipped with pull ring 54 to accomodate to inlay on the groove 53, pull ring 54 is connected through acting as go-between 55 with trigger block 52, and it passes first line hole 48, second line hole 49, third line hole 50 and fourth line hole 51 in proper order to act as go-between 55. Pulling pull ring 54, pull ring 54 drives trigger block 52 through acting as go-between 55 and descends, trigger block 52 pushes down trigger piece 47, make first elasticity portion of bending 36 and the deformation of second elasticity portion of bending 37, thereby make first locking portion of bending 38 and second locking portion of bending 39 break away from fork arm 4, and simultaneously, second spring 46 releases the spring force and acts on and launches slider 42, it pops out to make to launch slider 42, it promotes fork arm 4 to launch slider 42, make fork arm 4 separate with interfacing apparatus 26, thereby realize the quick dismantlement of storage bucket 25 and fork arm 4, the maintenance operation in the later stage of being convenient for.

As shown in fig. 5, a protective sleeve 56 is sleeved outside the fork rod 4, a first tapered guide part 57 and a second tapered guide part 58 are respectively arranged at two ends of the protective sleeve 56, the protective sleeve 56 is connected with the fork rod 4 through a locking screw 59, and an interference preventing groove 60 for the nut 23 of the locking screw 59 to be inserted is formed in the periphery of the protective sleeve 56. Lag 56 can protect fork arm 4, avoids fork arm 4 by locking reed 29 fish tail, and it is very convenient to change lag 56 simultaneously, does benefit to the maintenance operation in later stage, has also reduced the maintenance cost in later stage simultaneously.

As shown in fig. 5, a pair of guide plates 61 arranged in parallel is welded to the side of the charging bucket 25, one end of the base 27 close to the charging bucket 25 is slidably arranged between the two guide plates 61, the inner sides of the two guide plates 61 are respectively provided with a guide recess 62 along the length direction, and the upper and lower sides of the base 27 are respectively provided with a guide protrusion 63 for being embedded into the corresponding guide recess 62; each guide plate 61 is provided with a locking assembly 64, each locking assembly 64 comprises a locking pull rod 65, a third spring 66 and a support piece 67, a lower locking hole 68 is formed in each guide convex part 63, a plurality of upper locking holes 69 are uniformly formed in each guide plate 61 along the length direction, a U-shaped support 70 is formed in each guide plate 61, a sliding hole 71 is formed in each U-shaped support 70 along the length direction, a T-shaped slideway 104 is formed in the upper end of each sliding hole 71, each locking pull rod 65 sequentially penetrates through each sliding hole 71, one upper locking hole 69 and one lower locking hole 68, the support piece 67 is sleeved on the periphery of each locking pull rod 65, the support pieces 67 are slidably arranged on the T-shaped slideways 104, the third springs 66 are sleeved on the periphery of the locking pull rods 65, one ends of the third springs 66 are connected with the support pieces 67, and the other ends of the third springs 66 are connected with pull rod heads of the locking pull rods 65. When the distance between the fork arms 4 changes, the distance between the butt joint devices 26 also changes, at the moment, only the position of the base 27 of the butt joint device 26 between the two guide plates 61 needs to be adjusted, and finally, the base 27 is locked by utilizing the locking pull rod, so that the adjustment is very convenient.

As shown in fig. 6 to 8, the charging bucket 25 includes a side bucket part 72 and a bottom cover 73, the bottom cover 73 is screwed to the bottom end of the side bucket part 72, a first sealing gasket 74 is clamped between the bottom cover 73 and the bottom end of the side barrel part 72, a partition plate 75 is arranged in the side barrel part 72 at a position close to the bottom end, and a rubber sleeve 76 is installed on the inner wall of the side barrel part 72 at a position above the partition plate 75, an adjusting plate 77 is arranged in the rubber sleeve 76 in a sliding manner along the axial direction, a plurality of guide grooves 78 are uniformly arranged on the side of the adjusting plate 77 along the circumferential direction, a plurality of guide convex strips 79 matched with the guide grooves 78 are uniformly arranged on the inner wall of the rubber sleeve 76 along the circumferential direction, the partition plate 75 partitions a space between the adjustment plate 77 and the bottom cover 73 into an upper chamber 80 and a lower chamber 81, a first air pressure adjusting assembly 82 is arranged in the center of the partition plate 75, and a plurality of second air pressure adjusting assemblies 83 are uniformly arranged at the position, close to the edge, of the partition plate 75 along the circumferential direction; the first pneumatic pressure adjusting assembly 82 comprises a first sealing seat 84, a first adjusting spring 85 and a first movable rod 86, a first guide hole 87, a first movable hole 88 and a first threaded hole 89, which are sequentially increased in diameter, are formed in the middle of the partition plate 75 from top to bottom, the first sealing seat 84 is in threaded connection with the first threaded hole 89, a first sealing ring 90 is arranged between the first sealing seat 84 and the inner end of the first threaded hole 89, a first guide channel 91 is formed in the first sealing seat 84 along the axial direction, the first movable rod 86 is arranged in the first guide hole 87 in a sliding mode, the lower end of the first movable rod 86 is hemispherical and used for abutting against the inner end of the first guide hole 87 to form a sealed first sealing flap 92, the first sealing flap 92 is arranged in the first movable hole 88, the periphery of the first sealing flap 92 is tightly attached to the inner wall of the first movable hole 88, and the first sealing flap 92 is extended to the first movable rod 86 and used for guiding the first movable hole 88 and the first movable hole 87 The first adjusting spring 85 is sleeved on the periphery of the first movable rod 86, and two ends of the first adjusting spring 85 respectively abut against the inner end of the first movable hole 88 and the upper end of the first sealing flap 92; the second air pressure adjusting assembly 83 includes a second sealing seat 94, a second adjusting spring 95 and a second movable rod 96, a second guiding hole 97, a second movable hole 98 and a second threaded hole 99, which have diameters that increase in sequence, are formed in a position of the partition plate 75 from bottom to top, the number of the second guiding hole 97, the second movable hole 98 and the second threaded hole 99 is the same as the number of the second air pressure adjusting assembly 83, the second sealing seat 94 is connected to the second threaded hole 99 in a threaded manner, a second sealing ring 100 is arranged between the second sealing seat 94 and the inner end of the second threaded hole 99, a second guiding channel 101 is axially formed in the second sealing seat 94, the second movable rod 96 is slidably arranged in the second guiding hole 97, a second sealing flap 102, which is hemispherical and is used for forming a seal against the inner end of the second guiding hole 97, is arranged at the upper end of the second movable rod 96, and a second sealing flap 102 is arranged in the second movable hole 98 and has a periphery of the second sealing flap 102 and the second movable hole 98 The inner walls of the second seal flap 102 are tightly attached, a second confluence channel 103 is formed in the second seal flap 102, extends to the second movable rod 96 and is used for communicating the second movable hole 98 with the second diversion hole 97, the second adjusting spring 95 is sleeved on the periphery of the second movable rod 96, and two ends of the second adjusting spring 95 are respectively abutted to the inner end of the second movable hole 98 and the lower end of the second seal flap 102. When the material in storage bucket 25 is too much, can play the effect of anti-overflow and spill over, the in-process that promotes promptly with higher speed, regulating plate 77 can be down to promote storage bucket 25's volume, the material sinks, avoids the material to receive ascending acceleration in the twinkling of an eye and spills over, the material slows down at the eminence until when stopping, regulating plate 77 slowly rises, makes storage bucket 25 volume slowly resume to initial size, and the material steadily rises to initial position, finally realizes the anti-overflow function of material.