Lifting appliance for hoisting equipment

Abstract

The utility model discloses a lifting appliance for hoisting equipment, which comprises a lifting main beam, the lifting main beam comprises two main side beams which extend left and right and are parallel front and back, middle beams which extend front and back are arranged between the left part and the right part between the two main side beams, and the front end and the rear end of each middle beam are fixed on the opposite wall surfaces of the two main side beams; two lower connecting plates are fixed to the middle of the top face of each middle beam, and the lower portions of middle connecting bases are movably connected to the two corresponding lower connecting plates through hinge shafts. The lifting moving piece can be adjusted left, right, front and back according to needs, meanwhile, the lifting main beam can be inclined according to needs, the lifting needs of objects of different specifications are met, the application range is wide, and the using effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist for hoisting equipment field, more specifically relates to a hoist for hoisting equipment. BACKGROUND

[0002] The existing bridge crane, the hoist used therein is generally a rectangular platform with multiple transverse beams welded thereto, and a pulley block is fixed to the upper left and right portions of the platform;

[0003] A lifting member is welded to the middle portions of the left and right portions of the platform below as a lifting point for lifting. However, when lifting different objects, the lifting point needs to be changed according to the length of the object to meet the lifting requirement. However, the position of the lifting member cannot be adjusted, so the hoist cannot meet the lifting requirement of special objects and the range of application is greatly reduced. SUMMARY

[0004] The utility model discloses a hoist for hoisting equipment, which can adjust the left-right and front-rear positions of the lifting moving member as required, and can tilt the lifting main beam as required to meet the lifting requirement of objects of different specifications, so the range of application is wide and the use effect is good.

[0005] The utility model discloses a hoist for hoisting equipment, which can adjust the left-right and front-rear positions of the lifting moving member as required, and can tilt the lifting main beam as required to meet the lifting requirement of objects of different specifications, so the range of application is wide and the use effect is good.

[0006] A hoist for hoisting equipment, comprising a lifting main beam, wherein the lifting main beam comprises two main side beams extending left and right and parallel front and rear, and an intermediate beam extending front and rear is arranged between the left and right portions of the two main side beams, and the front and rear ends of the intermediate beam are fixed to the opposite wall surfaces of the two main side beams.

[0007] Two lower connecting plates are fixed to the middle portion of the top surface of the intermediate beam, and the lower portion of the intermediate connecting seat is movably connected to the corresponding two lower connecting plates through a hinge shaft.

[0008] A transverse moving mechanism is fixed to the left and right portions of the top surface of the two main side beams, the bottom surface of the two front and rear connecting beams extending front and rear is pressed against the top surface of the two main side beams, and the front and rear connecting beams are installed on the transverse adjustment screw of the corresponding two transverse moving mechanisms front and rear.

[0009] A front and rear moving mechanism is installed on the top surface of the front and rear portions of the front and rear connecting beams, a lifting moving member is installed on the front and rear moving screw of the front and rear moving mechanism, the front and rear connecting beams are inserted into the middle through hole of the lifting moving member, a lifting shaft sleeve is arranged between the lower portions of the two side plates of the lifting moving member, a lower connecting shaft is installed in the lower portions of the two side plates of the lifting moving member, and the lifting shaft sleeve is inserted into the lower connecting shaft, and the inner side wall of the lifting shaft sleeve is pressed against the outer side wall of the lower connecting shaft.

[0010] The left and right parts of the top surface of one main side beam are fixed with lower connecting seats, the bottom of the transverse adjusting oil cylinder is movably connected with the lower connecting seats through a hinge shaft, and the top of the push rod of the transverse adjusting oil cylinder is movably connected with the side connecting plates fixed at the front side or the rear side of the middle connecting seat through a hinge shaft.

[0011] The transverse moving mechanism comprises two connecting seats fixed on the top surface of the main side beam, the transverse adjusting screw is movably connected with the vertical plates of the two connecting seats through bearings, one end of the transverse adjusting screw extends out of the vertical plate of the corresponding connecting seat and is fixed with a rotating wheel, and the transverse adjusting screw is screwed in the middle fixed transverse screw sleeve of the corresponding front and rear connecting beams.

[0012] One side of the rotating wheel is formed with a transverse through hole, the guide sleeve is located in the transverse through hole, the outer side wall of the guide sleeve is welded and fixed on the inner side wall of the corresponding transverse through hole, the positioning rod is inserted in the corresponding guide sleeve, the outer end of the positioning rod extends out of the guide sleeve and is fixed with a holding part, the inner end of the positioning rod extends out of the guide sleeve and is screwed with a fixed nut, the positioning rod is inserted with a compression spring, one end of the compression spring is stressed on the inner end face of the guide sleeve, the other end is stressed on the end face of the corresponding fixed nut, the middle part of the end face of the inner end of the positioning rod is formed with a positioning part, and the positioning part is inserted in the positioning hole formed in the middle part of the end face of the positioning block fixed on the vertical plate of the corresponding connecting seat.

[0013] The protruding effect of the utility model is:

[0014] Compared with the prior art, the lifting moving part can be adjusted in position left and right and front and back as required, meanwhile, the lifting main beam can be inclined as required, the lifting needs of different specifications of objects are met, the adaptation range is wide, and the use effect is good.

[0015] Meanwhile, the limiting screw rod and the positioning rod can guarantee the positioning of the front and rear moving rotating discs and the rotating wheels, so that the front and rear moving rotating discs and the rotating wheels can be locked when not needing to be adjusted, and normal use is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a partial structure schematic view of the utility model;

[0017] Figure 2 is Figure 1 a partial enlarged view of another part of

[0018] Figure 3 is Figure 1 a partial enlarged view of another part of

[0019] Figure 4 is an angle changing partial structure schematic view of the utility model;

[0020] Figure 5 isFigure 4 A local enlarged view of the area indicated by a circle. DETAILED DESCRIPTION

[0021] Embodiments, see as Figures 1 to 5 As shown in the drawings, a lifting device hoist comprises a lifting main beam 10, the lifting main beam 10 comprises two main side beams 11 extending left and right and parallel front and back, a front and back extending intermediate beam 12 is arranged between the left and right parts of the two main side beams 11, and the front and back ends of the intermediate beam 12 are fixed on the opposite wall surfaces of the two main side beams 11.

[0022] Two lower connecting plates 13 are fixed on the top surface of the intermediate beam 12, and the lower part of the intermediate connecting seat 14 is movably connected to the corresponding two lower connecting plates 13 through a hinge shaft

[0023] The upper part of the intermediate connecting seat 14 is movably connected to the pulley block connecting seat 15 through a hinge shaft, and the pulley block connecting seat 15 is provided with a pulley block.

[0024] The left and right parts of the top surface of the two main side beams 11 are fixed with a transverse moving mechanism 20, the bottom surface of the front and back connecting beam 30 extending front and back is pressed on the top surface of the two main side beams 11, and the front and back connecting beam 30 is installed on the transverse adjusting screw 21 of the corresponding two transverse moving mechanisms 20.

[0025] The top surface of the front and back parts of the front and back connecting beam 30 is provided with a front and back moving mechanism 40, the front and back moving screw 41 of the front and back moving mechanism 40 is provided with a lifting moving part 50, the front and back connecting beam 30 is inserted into the middle through hole of the lifting moving part 50, the lower part between the two side plates of the lifting moving part 50 is provided with a lifting shaft sleeve 51, a lower connecting shaft is installed in the lower part of the two side plates of the lifting moving part 50, and the inner side wall of the lifting shaft sleeve 51 is pressed on the outer side wall of the lower connecting shaft.

[0026] The transverse moving mechanism 20 comprises two connecting seats 22 fixed on the top surface of the main side beam 11, the transverse adjusting screw 21 is movably connected to the vertical plate of the two connecting seats 22 through a bearing, one end of the transverse adjusting screw 21 extends out of the vertical plate of the corresponding connecting seat 22 and is fixed with a rotating wheel 23, and the transverse adjusting screw 21 is screwed in the middle fixed transverse screw sleeve 31 of the corresponding front and back connecting beam 30.

[0027] The front and back moving mechanism 40 comprises a fixed plate 42 fixed on the top surface of the front and back connecting beam 30 and an end plate 43 fixed on the corresponding end surface of the front and back connecting beam 30, the front and back moving screw 41 is movably connected on the fixed plate 42 and the end plate 43 through bearings, the outer end of the front and back moving screw 41 extends out of the end plate 43 and is fixed with a front and back moving rotating disc 44, and the front and back moving screw 41 is screwed on the screw sleeve fixed in the upper part of the lifting and moving piece 50.

[0028] Further, the left and right parts of the top surface of one main side beam 11 are fixed with lower connecting seats, the bottom of the transverse adjusting oil cylinder 1 is movably connected on the lower connecting seat through a hinged shaft, and the top of the push rod of the transverse adjusting oil cylinder 1 is movably connected on the side connecting plate welded and fixed at the front side or the rear side of the middle connecting seat 14 through a hinged shaft.

[0029] Further, the top surface of the middle through hole of the lifting and moving piece 50 is fixed with a polytetrafluoroethylene self-lubricating plate 520, and the bottom surface thereof is pressed against the top surface of the front and back connecting beam 30.

[0030] Further, one side of the rotating wheel 23 is formed with a transverse through hole, the guide sleeve 231 is located in the transverse through hole, the outer side wall of the guide sleeve 231 is welded and fixed on the inner side wall of the corresponding transverse through hole, the positioning rod 232 is inserted into the corresponding guide sleeve 231, the outer end of the positioning rod 232 extends out of the guide sleeve 231 and is fixed with a holding part, the inner end of the positioning rod 232 extends out of the guide sleeve 231 and is screwed with a fixed nut 233, the positioning rod 232 is inserted with a pressing spring 234, one end of the pressing spring 234 is stressed on the inner end surface of the guide sleeve 231, and the other end is stressed on the end surface of the corresponding fixed nut 233, the middle part of the end surface of the inner end of the positioning rod 232 is formed with a positioning part 235, and the positioning part 235 is inserted into the positioning hole formed in the middle part of the end surface of the positioning block 221 fixed on the vertical plate of the corresponding connecting seat 22.

[0031] Further, the connecting plates fixed on the inner side walls of the left and right sides of the middle through hole of the lifting and moving piece 50 are movably connected with side leaning wheels 52 through hinged shafts, and the left and right side walls of the front and back connecting beam 30 are close to the outer side walls of the corresponding side leaning wheels 52.

[0032] Further, one side of the front and back moving rotating disc 44 is formed with a screwing through hole, a limiting screwing rod 46 is screwed in the screwing through hole, the outer end of the limiting screwing rod 46 extends out of the outer end of the front and back moving rotating disc 44 and is formed with a holding part, the inner end of the limiting screwing rod 46 extends out of the inner end of the front and back moving rotating disc 44 and is formed with an extension rod, and the end part of the extension rod is inserted into the recess hole of the positioning block fixed on the corresponding end plate 43.

[0033] The two pulley sets are connected with the lifting device (the steel wire rope of the fixed pulley set of the bridge crane in the embodiment) in use, and the lifting shaft sleeve 51 is the lifting point in use;

[0034] The front and rear position adjustment of the lifting moving piece 50 can be realized by rotating the front and rear moving screw rod 41 after the end of the extension rod is moved out of the recess hole of the positioning block fixed on the corresponding end plate 43 by holding the holding part and rotating the limiting screw rod 46.

[0035] The left and right position adjustment of the lifting moving piece 50 can be realized by rotating the rotating wheel 23 after the positioning part 235 is moved out of the positioning hole of the positioning block 221 fixed on the vertical plate of the corresponding connecting seat 22 by two persons simultaneously pulling the holding part of the corresponding two positioning rods 232.

[0036] The embodiment has four lifting moving pieces 50, and has four lifting points, and is stable in lifting.

[0037] When the position adjustment of the lifting moving piece 50 is completed, the end of the extension rod needs to correspond to the recess hole of the corresponding positioning block, so that when the limiting screw rod 46 is rotated, the end of the extension rod can be inserted into the recess hole of the positioning block fixed on the corresponding end plate 43, and positioning is realized.

[0038] Similarly, the positioning part 235 of the positioning rod 232 needs to face the positioning hole of the corresponding positioning block 221, so that it is inserted into the corresponding positioning hole, positioning is realized, the rotating wheel 23 and the front and rear moving rotating disc 44 cannot be rotated, and the position of the lifting moving piece 50 is fixed.

[0039] Meanwhile, the embodiment can realize the inclination of the lifting main beam 10 by simultaneously pulling and retracting the push rod of the two transverse adjustment oil cylinders 1 in use, and meets the use needs of different lifting.

[0040] Since the four lifting moving pieces 50 of the embodiment can adjust the position, they can meet the lifting of objects with different lengths and widths, have wide application range, and have good use effect.

[0041] Finally, it should be pointed out that the above embodiments are only more representative examples of the utility model. Apparently, the utility model is not limited to the above embodiments, and many modifications can also be made. Any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments should be considered to be within the protection scope of the utility model.

Claims

1. A spreader for hoisting equipment, comprising a hoisting main beam (10), characterized in that: The lifting main beam (10) comprises two main side beams (11) extending left and right and parallel front and back, and a middle beam (12) extending front and back is arranged between the left and right parts between the two main side beams (11), and the front and back ends of the middle beam (12) are fixed on the opposite wall surfaces of the two main side beams (11); The top middle part of the middle beam (12) is fixed with two lower connecting plates (13), and the lower part of the middle connecting seat (14) is movably connected to the corresponding two lower connecting plates (13) through a hinge shaft; The upper part of the middle connecting seat (14) is movably connected with a pulley block connecting seat (15) through a hinge shaft, and a pulley block is installed on the pulley block connecting seat (15); The left and right parts of the top of the two main side beams (11) are fixed with transverse moving mechanisms (20), and the bottom surfaces of two front and back connecting beams (30) extending front and back are pressed against the top surfaces of the two main side beams (11), and the front and back connecting beams (30) are installed on the transverse adjusting screws (21) of the corresponding two transverse moving mechanisms (20) front and back. The top surfaces of the front and back parts of the front and back connecting beams (30) are installed with front and back moving mechanisms (40), the front and back moving screws (41) of the front and back moving mechanisms (40) are installed with lifting moving parts (50), the front and back connecting beams (30) are inserted into the middle through holes of the lifting moving parts (50), the lower parts of the two side plates of the lifting moving parts (50) are provided with lifting shaft sleeves (51), the lower connecting shafts are installed in the lower parts of the two side plates of the lifting moving parts (50), and the lifting shaft sleeves (51) are inserted into the lower connecting shafts, and the inner side walls thereof are pressed against the outer side walls of the lower connecting shafts.

2. A lifting device sling according to claim 1, characterised in that: The left and right parts of the top of one main side beam (11) are fixed with lower connecting seats, the bottoms of the transverse adjusting oil cylinders (1) are movably connected to the lower connecting seats through hinge shafts, and the top of the push rod of the transverse adjusting oil cylinder (1) is movably connected to the side connecting plate fixed at the front side or the rear side of the middle connecting seat (14) through a hinge shaft.

3. A lifting device sling according to claim 1, characterised in that: The top surface of the middle through hole of the lifting moving part (50) is fixed with a polytetrafluoroethylene self-lubricating plate (520), and the bottom surface thereof is pressed against the top surface of the front and back connecting beam (30).

4. A lifting device sling according to claim 1, characterised in that: The transverse moving mechanism (20) comprises two connecting seats (22) fixed on the top of the main side beam (11), the transverse adjusting screw (21) is movably connected to the vertical plates of the two connecting seats (22) through bearings, one end of the transverse adjusting screw (21) extends out of the vertical plate of the corresponding connecting seat (22) and is fixed with a rotating wheel (23), and the transverse adjusting screw (21) is screwed into the middle fixed transverse screw sleeve (31) of the corresponding front and back connecting beam (30).

5. A lifting device sling according to claim 4, characterised in that: The rotating wheel (23) is formed with a transverse through hole on one side, a guide sleeve (231) is arranged in the transverse through hole, the outer side wall of the guide sleeve (231) is welded and fixed on the inner side wall of the corresponding transverse through hole, a positioning rod (232) is sleeved in the corresponding guide sleeve (231), the outer end of the positioning rod (232) extends out of the guide sleeve (231) and is fixed with a holding part, the inner end of the positioning rod (232) extends out of the guide sleeve (231) and is screwed with a fixed nut (233), the positioning rod (232) is sleeved with a compression spring (234), one end of the compression spring (234) is stressed on the inner end face of the guide sleeve (231), the other end is stressed on the end face of the corresponding fixed nut (233), the middle part of the end face of the inner end of the positioning rod (232) is formed with a positioning part (235), the positioning part (235) is sleeved in the positioning hole formed in the middle part of the end face of the positioning block (221) fixed on the vertical plate of the corresponding connecting seat (22).

6. A lifting device sling according to claim 1, characterised in that: The inner side walls on the left and right sides of the middle through hole of the lifting moving part (50) are fixed with connecting plates, and the side leaning wheels (52) are movably connected to the connecting plates through hinge shafts, and the left and right side walls of the front and rear connecting beams (30) are close to the outer side walls of the corresponding side leaning wheels (52).

7. A lifting device sling according to claim 1, characterised in that: The front and rear moving mechanism (40) comprises a fixed plate (42) fixed on the top surface of the front and rear connecting beam (30) and an end plate (43) fixed on the corresponding end surface of the front and rear connecting beam (30), the front and rear moving screw (41) is movably connected to the fixed plate (42) and the end plate (43) through bearings, the outer end of the front and rear moving screw (41) extends out of the end plate (43) and is fixed with a front and rear moving rotating disc (44), and the front and rear moving screw (41) is screwed on the screw sleeve fixed on the upper part of the lifting moving part (50).

8. A lifting device sling according to claim 7, characterised in that: The one side of the front and rear moving rotating disc (44) is formed with a screwing through hole, the limiting screwing rod (46) is screwed in the screwing through hole, the outer end of the limiting screwing rod (46) extends out of the outer end of the front and rear moving rotating disc (44) and is formed with a holding part, the inner end of the limiting screwing rod (46) extends out of the inner end of the front and rear moving rotating disc (44) and is formed with an extension rod, and the end part of the extension rod is sleeved in the recess hole of the positioning block fixed on the corresponding end plate (43).

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