CN214301622U - Single-hanging screw type hoist - Google Patents

Abstract

The utility model provides a single-hanging screw type headstock gear, which comprises a fixed pedestal and i, vertical decurrent pilot hole has been seted up on unable adjustment base's top, unable adjustment base's top is fixed with first supporting station, vertical decurrent screw thread through-hole has been seted up on the first supporting station, screw thread through-hole female connection has the regulation lead screw, the bottom of adjusting the lead screw is connected with flange, the top of first supporting station is fixed with first protective housing, the top of first protective housing is fixed with second protective housing, it upwards extends to the top of second protective housing to adjust the lead screw, be equipped with first power unit in the first protective housing, be equipped with second power unit in the second protective housing, first power unit includes first sleeve, be fixed with first bevel gear on the first sleeve, assemble the first axis of rotation that the level set up in the second bearing, second bevel gear and first bevel gear intermeshing, the right-hand member and the gear motor transmission of first axis are connected. The utility model discloses simple structure, practical convenient operation.

Description

Single-hanging screw type hoist

Technical Field

The utility model belongs to the technical field of the screw headstock gear, especially, relate to a singly hang screw headstock gear.

Background

The screw type hoist is used on water passing channels of various hydraulic engineering, plays a role of controlling a small and medium-sized hoist mechanical equipment of a sluice, realizes the functions of opening and closing the water passing channels, controlling water level and regulating flow by utilizing the lifting of the hoist, is widely used for hoists and gates on engineering projects such as river dams in reservoir irrigation areas, hydropower stations and the like along with the wide development of hydraulic and hydroelectric engineering, and is widely used for the hoists and gates. At present, what generally adopted is hand formula screw hoist, but hand formula screw hoist is used in opening of gate, need consume more manpower and operate it, and work efficiency is lower relatively, also has some hoists to adopt power drive, but the condition that has a power failure can appear in power drive, when not having the electricity, just can't use the hoist, and consequently the structure of current hoist is unreasonable, can not be applicable to different circumstances simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current screw headstock gear unreasonable technical problem of structure, the body has encircleed a single hoist screw headstock gear, including unable adjustment base, unable adjustment base plays the effect of fixed stay, unable adjustment base's lower extreme is equipped with a plurality of fixed orifices, fix unable adjustment base on the platform on the floodgate through fixing bolt, vertical decurrent pilot hole has been seted up on unable adjustment base's top, unable adjustment base's top is fixed with first supporting bench, set up vertical decurrent screw thread through-hole on the first supporting bench, screw thread through-hole has same central line with the pilot hole, and the diameter of pilot hole slightly is greater than the diameter of screw thread through-hole. Threaded through hole internal thread on the first supporting station has the regulation lead screw of vertical setting, and the bottom of adjusting the lead screw extends to unable adjustment base's below and the lower extreme of adjusting the lead screw can be dismantled and be fixed with flange, and fixed connection can be dismantled with the gate to flange's lower extreme (the both sides joint of gate can not rotate in the track of vertical setting). The top of first supporting station is fixed with first protection casing, and the top of first protection casing is fixed with the second protection casing, and first protection casing and second protection casing all play dustproof and guard action, adjust the top that the lead screw upwards extended to the second protective housing, and the top of just adjusting the lead screw can be dismantled and be fixed with the stopper, and the stopper plays limiting action. A first power mechanism is arranged in the first protection shell, a second power mechanism is arranged in the second protection shell, the first power mechanism comprises a first sleeve in threaded connection with the adjusting screw rod, a first bearing is assembled at the bottom end of the first sleeve, the outer side of the first sleeve is fixedly connected with an inner ring of the first bearing, the first bearing is fixed on a first supporting table, a vertically arranged first bevel gear is fixed on the first sleeve above the first bearing, a vertically arranged supporting column is arranged on the right side of the first bevel gear, the bottom end of the supporting column is fixedly connected with the first supporting table, a horizontally arranged second bearing is arranged at the upper end of the supporting column, a horizontally arranged first rotating shaft is assembled in the second bearing, a second bevel gear is fixed at the left end of the first rotating shaft, the second bevel gear is mutually meshed with the first bevel gear, a vertically arranged motor supporting plate is fixed at the right side of the first supporting table, the upper end right side of motor backup pad is equipped with the gear motor that the level set up, (gear motor is under the state of not circular telegram, gear motor's power output shaft can be free just reverse rotation under the effect of external force), gear motor passes through cable and power intercommunication, the right-hand member of first axis of rotation extends to the right side of motor backup pad, and the right-hand member of first axis of rotation is connected with the gear motor transmission, start gear motor, gear motor transmits power for first sleeve through second bevel gear and first bevel gear respectively, first sleeve rotates and drives the regulation lead screw in the first sleeve and move in vertical direction. The second power mechanism comprises a second sleeve in threaded connection with the adjusting screw rod, a third bearing is assembled at the lower end of the second sleeve, a second supporting table is fixed at the top end of the first protective shell and plays a supporting role, the third bearing is fixed at the upper end of the second supporting table, a third bevel gear is fixed on the second sleeve above the third bearing, a fourth bearing is arranged at the left end of the second protective shell, a second rotating shaft which is horizontally arranged is arranged in the fourth bearing, a fourth bevel gear is fixed at the right end of the second rotating shaft and is meshed with the third bevel gear, the left end of the second rotating shaft extends out of the second protective shell, a connecting joint is arranged at the end part of the second rotating shaft, one end of the connecting joint is fixedly connected with the second coaxial rotating shaft, a regular hexagonal connecting slotted hole is formed in the other end of the connecting joint, and a detachable Z-shaped crank is arranged at the left end of the connecting joint, the staff provides power to third bevel gear and fourth bevel gear through rotating the crank, and then drives the second sleeve commentaries on classics, and the second sleeve rotates and drives the regulation lead screw in the second sleeve and freely removes in vertical direction.

Preferably, the right end of the crank is arranged to be a regular hexagonal type corresponding to the connecting groove hole, the left end of the crank is sleeved with the sleeve, the sleeve can rotate freely relative to the crank, the left end of the crank is fixed with the stop block, the stop block plays a role in blocking, and the sleeve is prevented from being separated from the crank.

Preferably, the guide pipe of vertical setting is fixed in the mounting hole on the unable adjustment base, and the guide pipe plays the guide effect for adjust the lead screw and be in vertical downwards all the time, the upper end of guide pipe extends to unable adjustment base's top, and the lower extreme of guide pipe extends to unable adjustment base's below, and the internal diameter of guide pipe slightly is greater than the external screw diameter of adjusting the lead screw.

The scheme has the following advantages:

the first power mechanism is arranged, the speed reducing motor is started in a power-on state, and the position of the adjusting screw rod in the vertical direction is controlled by controlling the forward and reverse rotation movement of the speed reducing motor, namely the height of the gate relative to the ground is adjusted; the second driving device is arranged, under the condition that no power supply exists, the position of the adjusting screw rod in the vertical direction is controlled by manually shaking the crank forwards and backwards, and then the height of the gate below the adjusting screw rod relative to the ground is controlled; the guide pipe is arranged to play a role in guiding, so that the adjusting screw rod is always vertical, and the bending of the adjusting screw rod is reduced; the crank and the connecting joint are arranged in a detachable mode, so that the operation of other people on the screw type opening and closing device is avoided, and the management of workers is facilitated.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is a schematic perspective view of the connection joint;

fig. 5 is a schematic top view of the connection joint.

Reference numerals: 1. a fixed base; 2. a first support table; 3. adjusting the lead screw; 4. a first protective case; 5. a second protective shell; 6. a first power mechanism; 7. a second power mechanism; 11. a fixing hole; 12. a guide tube; 31. a connecting flange; 32. a limiting block; 61. a first sleeve; 62. a first bearing; 63. a first bevel gear; 64. a support pillar; 641. a second bearing; 65. a first rotating lever; 66. a second bevel gear; 67. a motor support plate; 68. a reduction motor; 71. a second sleeve; 72. a second support table; 73. a third bearing; 74. a third bevel gear; 75. a second rotating lever; 76. a fourth bevel gear; 77. a fourth bearing; 78. connecting a joint; 781. connecting the slotted holes; 79. a crank; 791. a sleeve; 792. and a stop block.

Detailed Description

As shown in fig. 1-5, a single-hanging screw hoist comprises a fixed base 1, the fixed base 1 plays a role of fixed support, a plurality of fixed holes 11 are formed in the lower end of the fixed base 1, the fixed base 1 is fixed on a platform on a water gate through fixed bolts, a vertically downward assembly hole is formed in the top end of the fixed base 1, a first supporting table 2 is fixed on the top end of the fixed base 1, a vertically downward threaded through hole is formed in the first supporting table 2, the threaded through hole and the assembly hole have the same central line, and the diameter of the assembly hole is slightly larger than that of the threaded through hole. Threaded through hole female connection on the first supporting station 2 has the regulation lead screw 3 of vertical setting, and the bottom of adjusting lead screw 3 extends to unable adjustment base 1's below and the lower extreme of adjusting lead screw 3 can be dismantled and be fixed with flange 31, and fixed connection can be dismantled with the gate to flange 31's lower extreme (the both sides joint of gate is in the track of vertical setting, and the gate can not rotate). The top of first supporting station 2 is fixed with first protective housing 4, and the top of first protective housing 4 is fixed with second protective housing 5, and first protective housing 4 and second protective housing 5 all play dustproof and guard action, adjust the top that lead screw 3 upwards extended to second protective housing 5, and the top of adjusting lead screw 3 can be dismantled and be fixed with stopper 32, and stopper 32 plays limiting action. A first power mechanism 6 is arranged in the first protection shell 4, a second power mechanism 7 is arranged in the second protection shell 5, the first power mechanism 6 comprises a first sleeve 61 in threaded connection with the adjusting screw 3, a first bearing 62 is assembled at the bottom end of the first sleeve 61, the outer side of the first sleeve 61 is fixedly connected with the inner ring of the first bearing 62, the first bearing 62 is fixed on the first supporting table 2, a vertically arranged first bevel gear 63 is fixed on the first sleeve 61 above the first bearing 62, a vertically arranged supporting column 64 is arranged at the right side of the first bevel gear 63, the bottom end of the supporting column 64 is fixedly connected with the first supporting table 2, a horizontally arranged second bearing 641 is arranged at the upper end of the supporting column 64, a horizontally arranged first rotating shaft 65 is assembled in the second bearing 641, a second bevel gear 66 is fixed at the left end of the first rotating shaft 65, the second bevel gear 66 is meshed with the first bevel gear 63, the motor support plate 67 of vertical setting is fixed with on the right side of first supporting station 2, the upper end right side of motor support plate 67 is equipped with the gear motor 68 of level setting, (gear motor 68 is under the unpowered state, the power output shaft of gear motor 68 can freely just reverse rotation under the effect of external force), gear motor 68 passes through cable and power intercommunication, the right-hand member of first axis of rotation 65 extends to the right side of motor support plate 67, and the right-hand member of first axis of rotation 65 is connected with gear motor 68 transmission, start gear motor 68, gear motor 68 transmits power for first sleeve 61 through second bevel gear 66 and first bevel gear 63 respectively, first sleeve 61 rotates and drives the adjusting screw 3 in the first sleeve 61 and move in the vertical direction. The second power mechanism 7 comprises a second sleeve 71 in threaded connection with the adjusting screw 3, a third bearing 73 is assembled at the lower end of the second sleeve 71, a second supporting table 72 is fixed at the top end of the first protective shell 4, the second supporting table 72 plays a supporting role, the third bearing 73 is fixed at the upper end of the second supporting table 72, a third bevel gear 74 is fixed on the second sleeve 71 above the third bearing 73, a fourth bearing 77 is arranged at the left end of the second protective shell 5, a horizontally arranged second rotating shaft 75 is arranged in the fourth bearing 77, a fourth bevel gear 76 is fixed at the right end of the second rotating shaft 75, the fourth bevel gear 76 is meshed with the third bevel gear 74, the left end of the second rotating shaft 75 extends out of the second protective shell 5, a connecting joint 78 is arranged at the end of the second rotating shaft 75, one end of the connecting joint 78 is coaxially and fixedly connected with the second rotating shaft 75, a regular hexagonal connecting slotted hole 781 is formed at the other end of the connecting joint 78, the left end of attach fitting 78 is equipped with can dismantle the crank 79 that is the Z type, and the staff provides power to third bevel gear 74 and fourth bevel gear 76 through rotating crank 79, and then drives second sleeve 71 and changes, and second sleeve 71 rotates and drives the interior regulation lead screw 3 of second sleeve 71 and freely move on vertical direction.

Preferably, the right end of the crank 79 is arranged to be a regular hexagonal shape corresponding to the connecting slotted hole 781, the left end of the crank 79 is sleeved with a sleeve 791, the sleeve 791 can rotate freely relative to the crank 79, the left end of the crank 79 is fixed with a stop 792, and the stop 792 plays a role in blocking and prevents the sleeve 791 from separating from the crank 79.

Preferably, a guide pipe 12 vertically arranged is fixed in the assembly hole on the fixing base 1, the guide pipe 12 plays a role in guiding, so that the adjusting screw rod 3 is always vertically downward, the upper end of the guide pipe 12 extends to the upper side of the fixing base 1, the lower end of the guide pipe 12 extends to the lower side of the fixing base 1, and the inner diameter of the guide pipe 12 is slightly larger than the diameter of the external thread of the adjusting screw rod 3.

The use process comprises the following steps:

the utility model discloses during the use, fix unable adjustment base 1 on the supporting platform directly over the gate through fixing bolt, with flange 31 and gate fixed connection, under the circular telegram circumstances, start gear motor 68, gear motor 68's power output shaft drives first axis of rotation 65 and rotates, when gear motor 68's power output shaft corotation, adjusting screw 3 drives the gate and moves vertically upwards, the gate is opened, when gear motor 68's power output shaft reverses, adjusting screw 3 drives the gate and moves vertically downwards, the gate is closed; when power failure occurs, the crank 79 is manually rocked, the crank 79 is rocked clockwise, the adjusting screw 3 drives the gate to vertically move upwards, the gate is opened, the crank 79 rotates anticlockwise, the adjusting screw 3 drives the gate to vertically move downwards, and the gate is closed.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (6)

1. The utility model provides a singly hang screw headstock gear, includes unable adjustment base, unable adjustment base's lower extreme is equipped with a plurality of fixed orifices, and vertical decurrent pilot hole has been seted up on unable adjustment base's top, and unable adjustment base's top is fixed with first supporting bench, has seted up vertical decurrent screw thread through-hole on the first supporting bench, and the screw thread through-hole has same central line, its characterized in that with the pilot hole: a vertically arranged adjusting screw rod is connected with the bottom end of the adjusting screw rod in an internal thread manner on the first supporting table, the bottom end of the adjusting screw rod extends to the lower part of the fixed base, a connecting flange is detachably fixed at the lower end of the adjusting screw rod, a first protective shell is fixed at the top end of the first supporting table, a second protective shell is fixed at the top end of the first protective shell, the adjusting screw rod extends upwards to the upper part of the second protective shell, a first power mechanism is arranged in the first protective shell, a second power mechanism is arranged in the second protective shell, the first power mechanism comprises a first sleeve in threaded connection with the adjusting screw rod, a first bearing is assembled at the bottom end of the first sleeve, the first bearing is fixed on the first supporting table, a vertically arranged first bevel gear is fixed on the first sleeve above the first bearing, a vertically arranged support column is arranged on the right side of the first bevel gear, and the bottom end of the support column is fixedly connected with the first supporting table, the upper end of support column is equipped with the second bearing that the level set up, be equipped with the first axis of rotation that the level set up in the second bearing, the left end of first axis of rotation is fixed with second bevel gear, second bevel gear and first bevel gear intermeshing, the right side of first supporting bench is fixed with the motor backup pad of vertical setting, the upper end right side of motor backup pad is equipped with the gear motor that the level set up, the right-hand member of first axis of rotation extends to the right side of motor backup pad, and the right-hand member of first axis of rotation is connected with the gear motor transmission.

2. The single-hanging screw type hoist according to claim 1, characterized in that: the second power mechanism includes the second sleeve with adjusting screw threaded connection, second sleeve lower extreme is equipped with the third bearing, the top of first protection casing is fixed with the second brace table, the upper end at the second brace table is fixed to the third bearing, be fixed with third bevel gear on the second sleeve of third bearing top, the left end of second protection casing is equipped with the fourth bearing, be equipped with the second axis of rotation that the level set up in the fourth bearing, the right-hand member of second axis of rotation is fixed with fourth bevel gear, fourth bevel gear and the meshing of third bevel gear, the left end of second axis of rotation extends the second protection casing, and the tip of second axis of rotation is equipped with the attach fitting, the one end and the second axis of rotation coaxial line fixed connection of attach fitting, the connect fitting's the other end has been seted up the connecting slot hole of regular hexagon, the left end of attach fitting is equipped with the detachable and is the crank of Z type.

3. The single-hanging screw type hoist as claimed in claim 2, wherein the right end of the crank is formed in a regular hexagonal shape corresponding to the connecting groove hole, the left end of the crank is sleeved with a sleeve, and a stopper is fixed to the left end of the crank.

4. The single-hanging screw type hoist according to claim 3, characterized in that: the guide pipe of vertical setting is fixed with in the mounting hole on the unable adjustment base, and the upper end of guide pipe extends to unable adjustment base's top, and the lower extreme of guide pipe extends to unable adjustment base's below, and the internal diameter of guide pipe slightly is greater than the external screw diameter of adjusting the lead screw.

5. The single-hanging screw type hoist of claim 4, characterized in that: the top end of the adjusting screw rod is detachably fixed with a limiting block.

6. The single-hanging screw type hoist of claim 5, characterized in that: the gear motor is communicated with a power supply through a cable.

Images