CN210340178U - Low-clearance three-in-one internal translation electric hoist - Google Patents
Low-clearance three-in-one internal translation electric hoist Download PDFInfo
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- CN210340178U CN210340178U CN201921187807.5U CN201921187807U CN210340178U CN 210340178 U CN210340178 U CN 210340178U CN 201921187807 U CN201921187807 U CN 201921187807U CN 210340178 U CN210340178 U CN 210340178U
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- pull rod
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- winding drum
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Abstract
The utility model relates to a low-clearance three-in-one inner-translation electric hoist, which comprises a three-in-one inner-translation reel, one side of which is connected with a pulley yoke; the two ends of the three-in-one inner translational drum are connected with drum wall plates, the two ends of the pulley frame are respectively provided with pulley frame wall plates which are arranged in parallel with the drum wall plates, wheel shafts are respectively arranged in the drum wall plates and the pulley frame wall plates in a penetrating way, wheels are respectively arranged on the wheel shafts positioned at the interval between the drum wall plates and the pulley frame wall plates, and the wheel shafts at the two ends are symmetrically arranged; a low-speed gear in interference fit with the wheel shaft at one end is arranged on the wheel shaft and is meshed with a high-speed gear arranged on an output shaft of the running motor; the reel wall plate and the pulley frame wall plate which are positioned at the same end are rigidly connected through a first transverse pull rod and a second transverse pull rod which are arranged in parallel at intervals, and the first transverse pull rod and the second transverse pull rod at the two ends are respectively and symmetrically arranged; the utility model has the advantages of the disconnected axle risk is low, and it is big to play to rise space big workshop utilization ratio.
Description
Technical Field
The utility model belongs to the technical field of electric block device technique and specifically relates to a low trinity interior flat-bed electric block of headroom.
Background
The existing wire rope electric hoist hoisting device consists of a conical rotor motor, a winding drum, a speed reducer, a running trolley, a hook group and a wire rope system, wherein the winding drum adopts a conical rotor brake motor, an intermediate shaft and a speed reducer three to be connected in series into a straight line, the conical rotor brake motor is positioned at one end of the winding drum, the speed reducer is positioned at the other end of the winding drum and is connected with a coupler through the intermediate shaft, and the existing wire rope electric hoist hoisting device has the following problems: the axial size is long, and the workshop utilization rate is low; because the two ends are respectively provided with the conical motor and the speed reducer, the electric hoist cannot reach the two sides of the workshop in the space of at least 1/3, and the utilization rate of the workshop is greatly reduced; the efficiency of the conical rotor motor is low, and the lifting speed is limited; the transmission system is characterized in that a conical motor shaft is transmitted to a drum shaft and then to a speed reducer shaft, the shaft system is long, the shaft breakage risk is high, a low-speed shaft safety brake is not used, and the safety is low; the electric block is hung on the I-steel below the main beam through the trolley, so that the lifting height of the heavy object is limited, the heavy object is lifted to the same height, and a higher workshop is needed. Therefore, the method can not be realized in the existing workshop, and the new workshop can increase a lot of capital construction cost.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a low-clearance three-in-one internal translation electric hoist with a reasonable structure, so that the technical problems of low safety performance and limited lifting height are solved.
The utility model discloses the technical scheme who adopts as follows:
a low-clearance three-in-one inner-flat electric hoist comprises a three-in-one inner-flat movable winding drum, wherein one side of the three-in-one inner-flat movable winding drum is connected with a pulley yoke; the two ends of the three-in-one inner translational drum are connected with drum wall plates, the two ends of the pulley frame are respectively provided with pulley frame wall plates which are arranged in parallel with the drum wall plates, wheel shafts are respectively arranged in the drum wall plates and the pulley frame wall plates in a penetrating way, wheels are respectively arranged on the wheel shafts positioned at the interval between the drum wall plates and the pulley frame wall plates, and the wheel shafts at the two ends are symmetrically arranged; a low-speed gear in interference fit with the wheel shaft at one end is arranged on the wheel shaft and is meshed with a high-speed gear arranged on an output shaft of the running motor; the reel wall plate and the pulley frame wall plate which are positioned at the same end are rigidly connected through a first transverse pull rod and a second transverse pull rod which are arranged in parallel at intervals, and the first transverse pull rod and the second transverse pull rod at the two ends are respectively and symmetrically arranged;
the structure of trinity interior flat rotatory reel does: the winding drum comprises a winding drum body, wherein a rope groove for winding a steel wire rope is formed in the surface of the winding drum body, a disc motor is installed at one end in the winding drum body, a motor shaft of the disc motor is connected with an inner translational speed reducer, the inner translational speed reducer drives the winding drum body to rotate, a braking shaft of the disc motor is connected with a safety brake, and the safety brake is installed on a shell of the winding drum body.
As a further improvement of the above technical solution:
the trinity internal translation reel is gone up and is connected through wire rope and the fixed pulley of installing on the pulley yoke, is connected with hook block assembly on the wire rope, and its structure is: the device comprises a left movable pulley and a right movable pulley, wherein a lifting hook is arranged between the two movable pulleys through a lifting hook cross beam; install through the frame plate between two pulley yoke wallboards at both ends the fixed pulley, wire rope wind out from trinity interior flat movable reel, walk around one of them movable pulley, fixed pulley, another movable pulley in proper order, then wind back trinity interior flat movable reel.
Two ends of the shell are respectively connected with the winding drum wall plate through a winding drum end plate, and an electrical control box is arranged on the winding drum wall plate; the two ends of the pulley yoke are respectively connected with the pulley yoke wallboard through a pulley yoke end plate, the pulley yoke end plates at the two ends are connected through a longitudinal pull rod, and a cover plate is arranged at the top of the pulley yoke.
An upper pull rod and a lower pull rod which are parallel to the longitudinal pull rod are respectively arranged between the pulley frame end plates at the two ends above and below the longitudinal pull rod.
The rope guide is respectively installed at two ends of the winding drum body, the winding drum body is hinged into a circular hollow structure through two hollow semicircular structures, the winding drum body moves leftwards and rightwards when rotating, one side of the rope guide is connected with the rope pressing roller, and the shell is internally provided with the descending limit switch and the lifting height limit switch which are matched with the rope guide.
And a buffer is arranged on the end plate of the winding drum through a buffer base.
The utility model has the advantages as follows:
the utility model has small volume, light weight, compact and reasonable structure, adopts a special disc type motor, and has short axial size and high power density; the three-in-one inner translational winding drum has small volume, the internal disc type motor, the speed reducer and the brake are three-in-one, the axial length is greatly reduced, the risk of shaft breakage is greatly reduced, and two-stage speed reduction and transmission ratio are realized; meanwhile, the effective distance of the electric hoist running along the I-shaped steel is longer, and the lifting hooks of the electric hoist can be closer to the two sides of a workshop, so that the utilization rate of the workshop is greatly improved; the three-in-one inner translational winding drum and the pulley yoke are respectively arranged on two side faces of the main beam, the lifting height is improved, the effective lifting height of the heavy object is increased by the same main beam height, and the clearance height is reduced.
And simultaneously, the utility model discloses still have following advantage:
is suitable for occasions with severe environment. Because the winding drum and the motor are both arranged in the winding drum, the isolation from the environment can be realized, and the winding drum is particularly suitable for explosion-proof occasions, high-temperature occasions, low-temperature occasions, corrosive occasions, wet occasions and occasions with severe environment caused by rainy and snowy fields;
the lifting speed can be comprehensively improved. The lifting speed can be improved by increasing the diameter of the winding drum, increasing the rotating speed of the motor and the like;
the modularized structure is convenient to install and transport. Except the reel, the whole electric hoist is formed by connecting plates and rods through bolts, and is convenient to transport and install.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a rear view of the present invention.
Fig. 3 is a top view of the present invention.
Figure 4 is the utility model discloses a structural schematic of trinity interior flat-moving reel.
Wherein: 1. a hook; 2. a hook pulley block; 3. a wire rope; 4. a first tie rod; 5. operating the motor; 6. a high-speed gear; 7. a buffer; 8. a buffer base; 9. a wheel shaft; 10. a wheel; 11. a low-speed gear; 12. a spool wall panel; 13. a drum end plate; 14. a hoisting height limit switch; 15. a three-in-one inner translational drum; 16. a pulley yoke wall panel; 17. a lower pull rod; 18. a frame plate; 19. a longitudinal pull rod; 20. a pulley yoke end plate; 21. an upper pull rod; 22. a pulley shaft; 23. a fixed pulley; 24. an electrical control box; 25. a cover plate; 27. a second tie rod; 28. a descent limit switch; 29. a rope guide; 30. rope pressing rollers; 150. a first stage shunt reduction gear; 151. a motor shaft; 152. a disc motor; 153. a brake shaft; 154. a roller; 155. A housing support ring; 156. a safety brake; 157. an output shaft of the reducer; 158. an internally toothed end plate; 160. A spool body; 161. a housing; 162. a spool shaft; 163. a rolling bearing; 164. and a reel supporting plate.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 4, the low-clearance three-in-one inner electric hoist of the present embodiment includes a three-in-one inner movable drum 15, one side of which is connected with a pulley yoke; the two ends of the three-in-one inner translational drum 15 are connected with drum wall plates 12, the two ends of the pulley frame are respectively provided with pulley frame wall plates 16 which are arranged in parallel with the drum wall plates 12, wheel shafts 9 are respectively arranged in the drum wall plates 12 and the pulley frame wall plates 16 in a penetrating way, the wheel shafts 9 at the intervals between the drum wall plates 12 and the pulley frame wall plates 16 are respectively provided with wheels 10, and the wheel shafts 9 at the two ends are symmetrically arranged; a low-speed gear 11 in interference fit with the wheel shaft 9 at one end is arranged on the wheel shaft and meshed with the high-speed gear 6 arranged on the output shaft of the running motor 5; the reel wall plate 12 and the pulley frame wall plate 16 which are positioned at the same end are rigidly connected through a first transverse pull rod 4 and a second transverse pull rod 27 which are arranged in parallel at intervals, and the first transverse pull rod 4 and the second transverse pull rod 27 at the two ends are respectively and symmetrically arranged;
as shown in fig. 4, the three-in-one inner rotating drum 15 has the following structure: the winding drum comprises a winding drum body 160, wherein a rope groove for winding a steel wire rope 3 is formed in the surface of the winding drum body 160, a disc type motor 152 is installed at one end in the winding drum body 160, a motor shaft 151 of the disc type motor is connected with an inner translational speed reducer, the inner translational speed reducer drives the winding drum body 160 to rotate, and a safety brake 156 is connected to a brake shaft 153 of the disc type motor 152 and installed on a shell 161 of the winding drum body 160.
As shown in fig. 1 and 2, be connected with fixed pulley 23 installed on the pulley yoke through wire rope 3 on the trinity internal translational drum 15, be connected with hook block 2 on wire rope 3, its structure is: the device comprises a left movable pulley and a right movable pulley, wherein a lifting hook 1 is arranged between the two movable pulleys through a lifting hook cross beam; through frame plate 18 installation fixed pulley 23 between two pulley yoke wallboards 16 at both ends, wire rope 3 winds out from trinity interior flat movable reel 15, walks around one of them movable pulley, fixed pulley 23, another movable pulley in proper order, then winds back trinity interior flat movable reel 15.
Two ends of the shell 161 are respectively connected with a reel wall plate 12 through a reel end plate 13, and an electrical control box 24 is arranged on the reel wall plate 12; the two ends of the pulley yoke are respectively connected with the pulley yoke wallboard 16 through a pulley yoke end plate 20, the pulley yoke end plates 20 at the two ends are connected through a longitudinal pull rod 19, and the top of the pulley yoke is provided with a cover plate 25.
An upper pull rod 21 and a lower pull rod 17 which are parallel to the longitudinal pull rod 19 are respectively arranged between the pulley frame end plates 20 at the upper end and the lower end of the longitudinal pull rod 19.
The rope guide 29 is respectively arranged at two ends of the winding drum body 160, the winding drum body 160 is hinged into a circular hollow structure through two hollow semicircular structures, the winding drum body 160 moves left and right when rotating, one side of the rope guide 29 is connected with the rope pressing roller 30, and the descending limit switch 28 and the lifting limit switch 14 which are matched with the rope guide 29 are arranged in the shell 161.
The buffer 7 is arranged on the reel end plate 13 through the buffer base 8.
The trinity internal translation electric block's of low headroom trinity of this embodiment trinity internal translation reel 15 arranges in one side, and the pulley yoke is arranged to the opposite side, and the wheel is located the lower part between the two for the electric block reel can be raised, has increased lifting height, has reduced the headroom.
Wherein, two ends of the steel wire rope 3 are fixed at the end part of the three-in-one inner translational drum 15 through the pressing plate, the steel wire rope 3 passes through the rope guide 29 and bypasses the fixed pulley 23, the drum body 160 and the shell 161 of the three-in-one inner translational drum 15 rotate and are converted into the lifting motion of the lifting hook 1, thereby lifting or lowering heavy objects;
the running motor 5 adopts an electromagnetic braking cylindrical motor to provide power for the electric hoist to run along the track: an output shaft of the running motor 5 is connected with the high-speed gear 6 and is meshed with the low-speed gear 11 through the high-speed gear 6 to transmit the rotating speed and the torque; the low-speed gear 11 penetrates through the wheel shaft 9, is in interference fit with the wheel shaft 9, is meshed with the high-speed gear 6, transmits the rotating speed and the torque to the wheel shaft 9, and the wheel shaft 9 drives the wheel 10 to rotate;
the buffer 7 is a polyurethane cylindrical buffer and is used for buffering impact force when the electric hoist runs to the limit position;
the reel wallboard 12 is made of an L-shaped steel plate and is connected with a reel end plate 13 through bolts; a rectangular steel plate is adopted and is vertical to the three-in-one inner translational winding drum 15; the hoisting height limit switch 14 is fixed on the winding drum end plate 13 through bolts, when the hoisting height reaches a rated height, the rope guide 29 collides with a contact of the hoisting height limit switch 14, the switch acts, and the hoisting action stops;
the frame plate 18 is of a rectangular structure in a shape of Chinese character 'hui', and is used for fixing a fixed pulley 23 through a pulley shaft 22; the pulley frame end plate 20, the rectangular steel plates at the two ends of the frame plate 18 are kept relatively parallel through the longitudinal pull rod 19, the upper pull rod 21 and the lower pull rod 17, and the frame plate 18;
the pulley frame wall plate 16 is made of L-shaped steel plates, is parallel to the winding drum wall plate 12, is connected with the pulley frame end plate 20 through bolts, and is provided with a lower pull rod 17 and an upper pull rod 21 which are solid cylindrical pull rods and used for fixing the pulley frame end plate 20 so that the left pulley frame end plate 20 and the right pulley frame end plate 20 are kept parallel;
the longitudinal pull rod 19 is a longitudinal main pull rod and a hollow rod piece, and two ends of the longitudinal pull rod are fixed through bolts, so that the left and right pulley frame end plates 20 are kept relatively fixed; the electric control box 24 controls the electric hoist to lift and operate the motor 5 and is arranged on the reel wall plate 12, so that the space is saved, and the whole electric hoist is compact in structure.
As shown in fig. 3, the specific structure of the three-in-one inner rotating drum 15 is as follows: comprises a reel body 160, one end of which is welded with a reel supporting plate 164, and the other end of which is provided with a shell supporting ring 155 through a roller 154; the outer layer of the reel body 160 is provided with a shell 161, one end of the shell is welded with a reel end plate 13, the middle part of the reel end plate 13 is provided with a reel shaft 162 through a rolling bearing 163, and one end of the reel shaft 162 is welded with a reel support plate 164; an internal tooth end plate 158 connected with the inner wall of the winding drum body 160 is welded inside the winding drum body 160, the middle of the winding drum body is provided with a hole, and internal teeth are machined in the hole; still include interior parallel gear speed reducer, its structure is: the device comprises a first-stage shunt reduction gear 150 and a second-stage reduction mechanism which are connected in sequence, wherein the output end of the first-stage shunt reduction gear is a reduction gear output shaft 157, and the shaft end of the first-stage shunt reduction gear is meshed with internal teeth; one end of the first-stage shunt reduction gear 150 is connected with a motor shaft 151 of a disc motor 152, a brake shaft 153 of the disc motor 152 is connected with a safety brake 156, and the safety brake 156 is connected with a housing support ring 155.
In the implementation process:
when the lifting motion reaches the limit, the rope guide 29 touches the lifting height limit switch 14, the lifting motion stops, and the lifting motion can still be descended to run.
When descending, trinity internal flat rotating drum 15 antiport, wire rope 3 passes through hook block 2 and fixed pulley 23, descends lifting hook 1, leads rope ware 29 simultaneously also to the inboard motion of reel body 160, when descending extreme position, leads rope ware 29 and operates reel body 160 middle part, touches decline limit switch 28, and the decline action stops, places excessive decline operation for wire rope rewinds, breaks wire rope 3 and fag end clamp plate.
When the electric hoist runs along the track, the running motor 5 drives the high-speed gear 6 to rotate, the high-speed gear 6 is externally meshed with the low-speed gear 11 to drive the wheel shaft 9 to rotate, and the wheel shaft 9 drives the wheels 10 to run. When the running motor 5 stops, the safety brake 156 is braked to brake the motor shaft 151 via the brake shaft 153, thereby playing a role of braking.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (6)
1. The utility model provides a trinity interior flat electric block of low headroom which characterized in that: comprises a three-in-one inner translational drum (15), one side of which is connected with a pulley yoke; the two ends of the three-in-one inner translational drum (15) are connected with drum wall plates (12), pulley frame wall plates (16) which are parallel to the drum wall plates (12) are respectively installed at the two ends of the pulley frame, wheel shafts (9) are respectively arranged in the drum wall plates (12) and the pulley frame wall plates (16) in a penetrating manner, wheels (10) are respectively installed on the wheel shafts (9) which are positioned at intervals between the drum wall plates (12) and the pulley frame wall plates (16), and the wheel shafts (9) at the two ends are symmetrically arranged; a low-speed gear (11) in interference fit with the wheel shaft (9) at one end is arranged on the wheel shaft and is meshed with a high-speed gear (6) arranged on an output shaft of the running motor (5); the reel wall plate (12) and the pulley frame wall plate (16) which are positioned at the same end are rigidly connected through a first transverse pull rod (4) and a second transverse pull rod (27) which are arranged in parallel at intervals, and the first transverse pull rod (4) and the second transverse pull rod (27) at the two ends are respectively and symmetrically arranged;
the structure of trinity interior flat mobile roll (15) is: the winding drum comprises a winding drum body (160), wherein a rope groove for winding a steel wire rope (3) is formed in the surface of the winding drum body, a disc motor (152) is installed at one end in the winding drum body (160), a motor shaft (151) of the disc motor is connected with an inner translational reducer, the inner translational reducer drives the winding drum body (160) to rotate, a safety brake (156) is connected to a brake shaft (153) of the disc motor (152), and the disc motor is installed on a shell (161) of the winding drum body (160).
2. The low-headroom three-in-one inner-translational electric hoist as claimed in claim 1, wherein: go up trinity interior flat movable reel (15) and be connected through wire rope (3) and fixed pulley (23) of installing on the pulley yoke, be connected with hook assembly (2) on wire rope (3), its structure is: comprises a left movable pulley and a right movable pulley, wherein a lifting hook (1) is arranged between the two movable pulleys through a lifting hook cross beam; install through frame plate (18) between two pulley yoke wallboards (16) at both ends fixed pulley (23), wire rope (3) are walked around one of them movable pulley, fixed pulley (23), another movable pulley in proper order from trinity interior flat movable reel (15) and are gone up out, then around going back trinity interior flat movable reel (15).
3. The low-headroom three-in-one inner-translational electric hoist as claimed in claim 1, wherein: two ends of the shell (161) are respectively connected with the reel wall plate (12) through a reel end plate (13), and the reel wall plate (12) is provided with an electric control box (24); the two ends of the pulley yoke are respectively connected with the pulley yoke wallboard (16) through a pulley yoke end plate (20), the pulley yoke end plates (20) at the two ends are connected through a longitudinal pull rod (19), and a cover plate (25) is arranged at the top of the pulley yoke.
4. The low-headroom three-in-one inner-translational electric hoist as claimed in claim 3, wherein: an upper pull rod (21) and a lower pull rod (17) which are parallel to the longitudinal pull rod (19) are respectively arranged between the pulley frame end plates (20) at the two ends above and below the longitudinal pull rod (19).
5. The low-headroom three-in-one inner-translational electric hoist as claimed in claim 1, wherein: rope guide devices (29) are respectively installed at two ends of the winding drum body (160), the winding drum body is hinged into a circular hollow structure through two hollow semicircular structures, the winding drum body (160) moves leftwards and rightwards when rotating, one side of each rope guide device (29) is connected with a rope pressing roller (30), and a descending limit switch (28) and a lifting height limit switch (14) which are matched with the rope guide devices (29) are installed in the shell (161).
6. The low-headroom three-in-one inner-translational electric hoist as claimed in claim 1, wherein: the reel end plate (13) is provided with a buffer (7) through a buffer base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187807.5U CN210340178U (en) | 2019-07-25 | 2019-07-25 | Low-clearance three-in-one internal translation electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187807.5U CN210340178U (en) | 2019-07-25 | 2019-07-25 | Low-clearance three-in-one internal translation electric hoist |
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| Publication Number | Publication Date |
|---|---|
| CN210340178U true CN210340178U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921187807.5U Active CN210340178U (en) | 2019-07-25 | 2019-07-25 | Low-clearance three-in-one internal translation electric hoist |
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| CN (1) | CN210340178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123947A (en) * | 2022-06-14 | 2022-09-30 | 浙江凯勋机电有限公司 | Electric hoist for outdoor operation |
-
2019
- 2019-07-25 CN CN201921187807.5U patent/CN210340178U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123947A (en) * | 2022-06-14 | 2022-09-30 | 浙江凯勋机电有限公司 | Electric hoist for outdoor operation |
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