CN208883375U - A kind of speed-limiting device of hoist engine - Google Patents

Abstract

The utility model relates to a kind of speed-limiting devices of hoist engine, including main body, pedestal and guided rings, speed limit room is equipped in main body, wiper mechanism and speed limiting mechanism, guidance room is equipped in guided rings, wiper mechanism includes spray unit and strikes off unit, striking off unit includes third motor, turntable, fixed rope, limited block, limiting slot, spring and cleaning ring, speed limiting mechanism includes the 4th motor, first gear, second gear, shaft and two gear units, gear unit includes worm screw, worm gear, fixing axle, third gear, rack gear, groove and brake shoes, the speed-limiting device of the hoist engine, pass through wiper mechanism, the speed-limiting device can dissolve the dust and greasy dirt that adhere on the inner wall of speed limit room, prevent dust and greasy dirt from can corrode the part in the speed-limiting device, moreover, pass through speed limiting mechanism, the speed-limiting device can be limited effectively The movement speed of the traction rope of hoist engine processed prevents cargo fast ram hoist engine.

Description

A kind of speed-limiting device of hoist engine

Technical field

The utility model relates to speed-limiting device field, in particular to a kind of speed-limiting device of hoist engine.

Background technique

Hoist engine, with reel winding wire ropes or chain lifting or the light and small heavy-duty hoisting equipment of traction, also known as winch. Hoist engine can with vertical-lift, horizontally or diagonally drag and draw weight, can be used alone, lifting can also be made, built the road with mine hoisting etc. Building block in machinery is widely applied due to easy to operate, wiring amount is big, dislocation facilitates.Mainly apply to building, water conservancy work The material of journey, forestry, mine, harbour etc. goes up and down or puts down and drags.

The speed limit ability of the speed-limiting device of existing hoist engine is limited, can not effectively adjust cargo hauling speed, cause When existing elevator machine travel cargo, cargo easily hits hoist engine, and hoist engine is caused to damage, moreover, existing elevator After machine is used for a long time, in the speed-limiting device of existing hoist engine can adhering dust and greasy dirt, and dust and greasy dirt can corrode it is existing Speed-limiting device in part, influence existing speed-limiting device and operate normally.

Utility model content

Technical problem to be solved by the utility model is: for overcome the deficiencies in the prior art, a kind of hoist engine is provided Speed-limiting device.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of speed-limiting device of hoist engine, including Main body, pedestal and guided rings, the main body are fixed on the top of pedestal, and the guided rings are fixed on the side of main body, the master It is equipped with speed limit room, wiper mechanism and speed limiting mechanism in vivo, the wiper mechanism is arranged in the intracorporal top of master, the guided rings Equipped with guidance room, the guidance room and speed limit room are coaxially disposed, and the guidance room is connected to speed limit room；

The wiper mechanism includes spray unit and strikes off unit, and the top of speed limit room, institute is arranged in the spray unit It states and strikes off the lower section that spray unit is arranged in unit；

The spray unit includes first motor, screw rod, movable block, shifting chute and sliding block, the shifting chute and the first electricity Machine is separately positioned on the two sides of the top of speed limit room, and the screw rod, movable block and sliding block are arranged in shifting chute, the screw rod Horizontally disposed, the first motor is connect with screw rod transmission, and the movable block is set on screw rod, the movable block and screw rod Match, the sliding block is fixed on the lower section of movable block, is equipped with wobble component in the movable block；

The wobble component includes the second motor, oscillating rod and spray head, and the top in sliding block is arranged in second motor, The oscillating rod is vertically arranged, is fixedly connected at the top of second motor and oscillating rod, the bottom end of the oscillating rod and spray head It is fixedly connected；

The unit that strikes off includes third motor, turntable, fixed rope, limited block, limiting slot, spring and cleans ring, described Third motor and limiting slot are separately positioned on the two sides of the lower section of speed limit room, and the third motor and turntable are sequentially connected, described One end of fixed rope is arranged on turntable, and the other end of the fixed rope is fixedly connected with limited block, the spring and limited block It is arranged in limiting slot, one end of the spring is fixedly connected with the inner wall of limiting slot, the other end of the spring and limit Block is fixedly connected, and the spring is in compressive state, and the cleaning ring is arranged in speed limit room, and the cleaning ring and speed limit room are same Axis setting, the cleaning ring are fixedly connected with limited block；

The speed limiting mechanism includes the 4th motor, first gear, second gear, shaft and two gear units, and described the At the intracorporal top of master, the 4th motor and first gear are sequentially connected the setting of four motors, and the second gear setting is the The lower section of one gear, the second gear are engaged with first gear, and the shaft is horizontally disposed, and the shaft passes through the second tooth Wheel, the shaft and second gear are coaxially disposed, and the shaft and second gear are interference fitted, and two gear units are respectively set At the both ends of shaft；

The gear unit includes worm screw, worm gear, fixing axle, third gear, rack gear, groove and brake shoes, the worm screw It being fixedly connected with shaft, the worm screw and shaft are coaxially disposed, and the worm gear is matched with worm screw, and the fixing axle is vertically arranged, The top of the fixing axle is fixedly connected with worm gear, and the fixing axle and worm gear are coaxially disposed, the bottom end of the fixing axle and the Three gears are fixedly connected, and the fixing axle and third gear are coaxially disposed, and the third wheel and rack engagement, the rack gear is set It sets in groove, the side of speed limit room is arranged in the groove, and the rack gear is fixedly connected with brake shoes.

Preferably, movable block is detached from shifting chute in order to prevent, guide rod, the guide rod water are equipped in the shifting chute Flat setting, the both ends of the guide rod are fixedly connected with the two sides in shifting chute respectively, and the guide rod passes through movable block.

Preferably, being coated between the screw rod and movable block to reduce the transmission loss between screw rod and movable block Lubricating oil.

Preferably, in order to enhance cleaning solution spraying effect, the spray head is high-pressure nozzle.

Preferably, being equipped with hairbrush between the cleaning ring and speed limit room to enhance impurity elimination effect.

Preferably, limited block is detached from limiting slot in order to prevent, the limiting slot is dovetail groove.

Preferably, in order to enable fixed rope can long-term stable work, the fixed rope be nylon rope.

Preferably, in order to enable first motor, the second motor, third motor and the 4th motor can be accurate for a long time steady Fixed work, the first motor, the second motor, third motor and the 4th motor are servo motor.

Preferably, in order to enhance speed limit effect, the side of the separate rack gear of the brake shoes is equipped with friction plate.

Preferably, the side of the close third motor of the limiting slot is set for the ease of by cleaning solution and impurity discharge There is sewage draining exit.

The utility model has the beneficial effects that the speed-limiting device of the hoist engine, by wiper mechanism, which can The dust and greasy dirt that adhere on the inner wall of speed limit room 2 are dissolved, prevent dust and greasy dirt from can corrode the part in the speed-limiting device, Compared with existing wiper mechanism, which can scrape speed limit room 2 for the cleaning solution dissolved with dust and greasy dirt, not only In this way, by speed limiting mechanism, which can effectively limit the movement speed of the traction rope of hoist engine, prevent cargo fast Speed hits hoist engine, and compared with existing speed limiting mechanism, the speed limit ability of the speed limiting mechanism is stronger, and speed limit effect is preferable.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of the speed-limiting device of the hoist engine of the utility model；

Fig. 2 is the structural schematic diagram of the spray unit of the speed-limiting device of the hoist engine of the utility model；

Fig. 3 is the structural schematic diagram of the wobble component of the speed-limiting device of the hoist engine of the utility model；

Fig. 4 is the structural schematic diagram for striking off unit of the speed-limiting device of the hoist engine of the utility model；

Fig. 5 is the structural schematic diagram of the speed limiting mechanism of the speed-limiting device of the hoist engine of the utility model；

Fig. 6 is the structural schematic diagram of the gear unit of the speed-limiting device of the hoist engine of the utility model；

In figure: 1. main bodys, 2. speed limit rooms, 3. pedestals, 4. guided rings, 5. guidance rooms, 6. first motors, 7. screw rods, 8. move Motion block, 9. shifting chutes, 10. guide rods, 11. sliding blocks, 12. second motors, 13. oscillating rods, 14. spray heads, 15. third motors, 16. turntable, 17. fixed ropes, 18. limited blocks, 19. limiting slots, 20. springs, 21. cleaning rings, 22. the 4th motors, 23. first teeth Wheel, 24. second gears, 25. shafts, 26. worm screws, 27. worm gears, 28. fixing axles, 29. third gears, 30. rack gears, 31. grooves, 32. brake shoes, 33. friction plates, 34. sewage draining exits.

Specific embodiment

The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram, Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.

As shown in Figure 1, a kind of speed-limiting device of hoist engine, including main body 1, pedestal 3 and guided rings 4, the main body 1 are fixed In the top of pedestal 3, the guided rings 4 are fixed on the side of main body 1, be equipped in the main body 1 speed limit room 2, wiper mechanism and Speed limiting mechanism, the wiper mechanism are arranged in the top in main body 1, guidance room 5, the guidance room 5 are equipped in the guided rings 4 It is coaxially disposed with speed limit room 2, the guidance room 5 is connected to speed limit room 2；

The speed-limiting device is fixed by pedestal 3 with hoist engine, and the traction rope of hoist engine passes through speed limit room 2 and guidance room 5, when When cargo is close to hoist engine, speed limiting mechanism operation, by limit traction rope movement speed come so that hoist engine hauling speed It reduces, prevents from hitting hoist engine between cargo, the work of periodic cleaning mechanism, the dust and oil that will be adhered on the inner wall of speed limit room 2 Dirt dissolution, and the cleaning solution dissolved with dust and greasy dirt is scraped into speed limit room 2.

The wiper mechanism includes spray unit and strikes off unit, and the top of speed limit room 2, institute is arranged in the spray unit It states and strikes off the lower section that spray unit is arranged in unit；

As shown in Fig. 2, the spray unit includes first motor 6, screw rod 7, movable block 8, shifting chute 9 and sliding block 11, institute State shifting chute 9 and first motor 6 be separately positioned on speed limit room 2 top two sides, the screw rod 7, movable block 8 and sliding block 11 are equal It is arranged in shifting chute 9, the screw rod 7 is horizontally disposed, and the first motor 6 is sequentially connected with screw rod 7,8 sets of the movable block It is located on screw rod 7, the movable block 8 is matched with screw rod 7, and the sliding block 11 is fixed on the lower section of movable block 8, the movable block 8 It is interior to be equipped with wobble component；

As shown in figure 3, the wobble component includes the second motor 12, oscillating rod 13 and spray head 14, second motor 12 Top in sliding block 11 is set, and the oscillating rod 13 is vertically arranged, and the top of second motor 12 and oscillating rod 13 is fixed Connection, the bottom end of the oscillating rod 13 is fixedly connected with spray head 14；

As shown in figure 4, the unit that strikes off includes third motor 15, turntable 16, fixed rope 17, limited block 18, limiting slot 19, spring 20 and cleaning ring 21, the third motor 15 and limiting slot 19 are separately positioned on the two sides of the lower section of speed limit room 2, institute It states third motor 15 and turntable 16 is sequentially connected, one end of the fixed rope 17 is arranged on turntable 16, the fixed rope 17 The other end is fixedly connected with limited block 18, and the spring 20 and limited block 18 are arranged in limiting slot 19, the spring 20 One end is fixedly connected with the inner wall of limiting slot 19, and the other end of the spring 20 is fixedly connected with limited block 18, the spring 20 In compressive state, the cleaning ring 21 is arranged in speed limit room 2, and the cleaning ring 21 is coaxially disposed with speed limit room 2, described clear Ring 21 is washed to be fixedly connected with limited block 18；

When wiper mechanism operation, spray unit works first, and first motor 6 drives screw rod 7 to rotate, so that movable block 8 It is moved in shifting chute 9, band movable slider 11 moves back and forth, and wobble component work, the second motor 12 drives oscillating rod 13 to rotate, and adjusts The angle of spray head 14 is saved, so that the cleaning solution that spray head 14 sprays can spray all places to speed limit room 2, by speed limit Dust and the greasy dirt dissolution adhered on the inner wall of room 2, then strikes off cell operation, and third motor 15 drives turntable 16 to rotate, and receives Tightly or loosen fixed rope 17, by spring 20 limited block 18 is moved back and forth in limiting slot 19, so that cleaning ring 21 move back and forth in speed limit room 2, and the cleaning solution dissolved with dust and greasy dirt is scraped speed limit room 2.

By wiper mechanism, which can dissolve the dust and greasy dirt that adhere on the inner wall of speed limit room 2, prevent Dust and greasy dirt can corrode the part in the speed-limiting device, and compared with existing wiper mechanism, which can will dissolve There is the cleaning solution of dust and greasy dirt to scrape speed limit room 2.

As shown in figure 5, the speed limiting mechanism includes the 4th motor 22, first gear 23, second gear 24, shaft 25 and two The top in main body 1 is arranged in a gear unit, the 4th motor 22, and the 4th motor 22 connects with the transmission of first gear 23 It connecing, the lower section of first gear 23 is arranged in the second gear 24, and the second gear 24 is engaged with first gear 23, and described turn Axis 25 is horizontally disposed, and the shaft 25 passes through second gear 24, and the shaft 25 is coaxially disposed with second gear 24, the shaft 25 are interference fitted with second gear 24, and two gear units are separately positioned on the both ends of shaft 25；

As shown in fig. 6, the gear unit include worm screw 26, worm gear 27, fixing axle 28, third gear 29, rack gear 30, Groove 31 and brake shoes 32, the worm screw 26 are fixedly connected with shaft 25, and the worm screw 26 is coaxially disposed with shaft 25, the snail Wheel 27 is matched with worm screw 26, and the fixing axle 28 is vertically arranged, and the top of the fixing axle 28 is fixedly connected with worm gear 27, described Fixing axle 28 and worm gear 27 are coaxially disposed, and the bottom end of the fixing axle 28 is fixedly connected with third gear 29, the fixing axle 28 It is coaxially disposed with third gear 29, the third gear 29 is engaged with rack gear 30, and the rack gear 30 is arranged in groove 31, institute The side that speed limit room 2 is arranged in groove 31 is stated, the rack gear 30 is fixedly connected with brake shoes 32.

When cargo is close to hoist engine, speed limiting mechanism operation, the 4th motor 22 drives first gear 23 to rotate, first gear 23 drive second gear 24 to rotate, and drive two gear unit work by shaft 25, shaft 25 rotates worm screw 26, band Dynamic worm gear 27 rotates, and worm gear 27 rotates third gear 29 by fixing axle 28, allows rack gear 30 to stretch out groove 31, passes through brake Vehicle block 32 clamps traction rope, reduces the movement speed of traction rope, to show the hauling speed of hoist engine.

By speed limiting mechanism, which can effectively limit the movement speed of the traction rope of hoist engine, prevent goods Object fast ram hoist engine, compared with existing speed limiting mechanism, the speed limit ability of the speed limiting mechanism is stronger, and speed limit effect is preferable.

Preferably, movable block 8 is detached from shifting chute 9 in order to prevent, guide rod 10 is equipped in the shifting chute 9, it is described to lead Horizontally disposed to bar 10, the both ends of the guide rod 10 are fixedly connected with the two sides in shifting chute 9 respectively, and the guide rod 10 is worn Cross movable block 8.

Preferably, in order to reduce the transmission loss between screw rod 7 and movable block 8, between the screw rod 7 and movable block 8 It is coated with lubricating oil.

Preferably, in order to enhance cleaning solution spraying effect, the spray head 14 is high-pressure nozzle.

Preferably, being equipped with hairbrush between the cleaning ring 21 and speed limit room 2 to enhance impurity elimination effect.Hairbrush Can by the inner wall of speed limit room 2 cleaning solution and dust strike off so that impurity elimination effect enhance.

Preferably, limited block 18 is detached from limiting slot 19 in order to prevent, the limiting slot 19 is dovetail groove.

Preferably, in order to enable fixed rope 17 can long-term stable work, the fixed rope 17 be nylon rope.

Preferably, in order to enable when first motor 6, the second motor 12, third motor 15 and the 4th motor 22 can be long Between precise and stable work, the first motor 6, the second motor 12, third motor 15 and the 4th motor 22 are servo motor.

Preferably, in order to enhance speed limit effect, the brake shoes 32 is equipped with friction plate 33 far from the side of rack gear 30.

Preferably, for the ease of cleaning solution and impurity to be discharged, the one of the close third motor 15 of the limiting slot 19 Side is equipped with sewage draining exit 34.

The working principle of the speed-limiting device of the hoist engine: the speed-limiting device is fixed by pedestal 3 with hoist engine, hoist engine Traction rope passes through speed limit room 2 and guidance room 5, when cargo is close to hoist engine, speed limiting mechanism operation, by the shifting for limiting traction rope Dynamic speed is come so that the hauling speed of hoist engine reduces, and prevents from hitting hoist engine between cargo, and the work of periodic cleaning mechanism will limit Dust and the greasy dirt dissolution adhered on the inner wall of fast room 2, and the cleaning solution dissolved with dust and greasy dirt is scraped into speed limit room 2.

Compared with prior art, the speed-limiting device of the hoist engine, by wiper mechanism, which can be by speed limit room Dust and the greasy dirt dissolution adhered on 2 inner wall, prevents dust and greasy dirt from can corrode the part in the speed-limiting device, and existing Wiper mechanism is compared, which can scrape speed limit room 2 for the cleaning solution dissolved with dust and greasy dirt, moreover, is led to Speed limiting mechanism is crossed, which can effectively limit the movement speed of the traction rope of hoist engine, prevent cargo fast ram Hoist engine, compared with existing speed limiting mechanism, the speed limit ability of the speed limiting mechanism is stronger, and speed limit effect is preferable.

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims (10)

1. a kind of speed-limiting device of hoist engine, which is characterized in that including main body (1), pedestal (3) and guided rings (4), the main body (1) it is fixed on the top of pedestal (3), the guided rings (4) are fixed on the side of main body (1), are equipped with speed limit in the main body (1) Room (2), wiper mechanism and speed limiting mechanism, the top that the wiper mechanism is arranged in main body (1), the guided rings (4) are interior to be set Have guidance room (5), the guidance room (5) and speed limit room (2) are coaxially disposed, and the guidance room (5) is connected to speed limit room (2)；Institute It states wiper mechanism to include spray unit and strike off unit, the spray unit setting is described to strike off list in the top of speed limit room (2) The lower section of spray unit is arranged in member；The spray unit includes first motor (6), screw rod (7), movable block (8), shifting chute (9) and sliding block (11), the shifting chute (9) and first motor (6) are separately positioned on the two sides of the top of speed limit room (2), described Screw rod (7), movable block (8) and sliding block (11) are arranged in shifting chute (9), and the screw rod (7) is horizontally disposed, first electricity Machine (6) and screw rod (7) are sequentially connected, and the movable block (8) is set on screw rod (7), the movable block (8) and screw rod (7) Match, the sliding block (11) is fixed on the lower section of movable block (8), is equipped with wobble component in the movable block (8)；The wobble component Including the second motor (12), oscillating rod (13) and spray head (14), the top that second motor (12) is arranged in sliding block (11), The oscillating rod (13) is vertically arranged, is fixedly connected at the top of second motor (12) and oscillating rod (13), the oscillating rod (13) bottom end is fixedly connected with spray head (14)；The unit that strikes off includes third motor (15), turntable (16), fixed rope (17), limited block (18), limiting slot (19), spring (20) and cleaning ring (21), the third motor (15) and limiting slot (19) The two sides of the lower section of speed limit room (2) are separately positioned on, the third motor (15) and turntable (16) are sequentially connected, the fixed rope (17) one end is arranged on turntable (16), and the other end of the fixed rope (17) is fixedly connected with limited block (18), the bullet Spring (20) and limited block (18) are arranged in limiting slot (19), and one end of the spring (20) and the inner wall of limiting slot (19) are solid Fixed connection, the other end of the spring (20) are fixedly connected with limited block (18), and the spring (20) is in compressive state, described Ring (21) setting is cleaned in speed limit room (2), the cleaning ring (21) and speed limit room (2) are coaxially disposed, the cleaning ring (21) It is fixedly connected with limited block (18)；The speed limiting mechanism include the 4th motor (22), first gear (23), second gear (24), Shaft (25) and two gear units, the top that the 4th motor (22) is arranged in main body (1), the 4th motor (22) It is sequentially connected with first gear (23), the second gear (24) is arranged in the lower section of first gear (23), the second gear (24) it is engaged with first gear (23), the shaft (25) is horizontally disposed, and the shaft (25) passes through second gear (24), described Shaft (25) and second gear (24) are coaxially disposed, and the shaft (25) and second gear (24) are interference fitted, and two transmissions are single Member is separately positioned on the both ends of shaft (25)；The gear unit includes worm screw (26), worm gear (27), fixing axle (28), third Gear (29), rack gear (30), groove (31) and brake shoes (32), the worm screw (26) are fixedly connected with shaft (25), the snail Bar (26) and shaft (25) are coaxially disposed, and the worm gear (27) matches with worm screw (26), and the fixing axle (28) is vertically arranged, institute The top for stating fixing axle (28) is fixedly connected with worm gear (27), and the fixing axle (28) and worm gear (27) are coaxially disposed, described solid The bottom end of dead axle (28) is fixedly connected with third gear (29), and the fixing axle (28) and third gear (29) are coaxially disposed, institute It states third gear (29) to engage with rack gear (30), in groove (31), groove (31) setting exists for rack gear (30) setting The side of speed limit room (2), the rack gear (30) are fixedly connected with brake shoes (32).

2. the speed-limiting device of hoist engine as described in claim 1, which is characterized in that be equipped with guide rod in the shifting chute (9) (10), the guide rod (10) is horizontally disposed, and the both ends of the guide rod (10) are fixed with the two sides in shifting chute (9) respectively to be connected It connects, the guide rod (10) passes through movable block (8).

3. the speed-limiting device of hoist engine as described in claim 1, which is characterized in that between the screw rod (7) and movable block (8) It is coated with lubricating oil.

4. the speed-limiting device of hoist engine as described in claim 1, which is characterized in that the spray head (14) is high-pressure nozzle.

5. the speed-limiting device of hoist engine as described in claim 1, which is characterized in that the cleaning ring (21) and speed limit room (2) Between be equipped with hairbrush.

6. the speed-limiting device of hoist engine as described in claim 1, which is characterized in that the limiting slot (19) is dovetail groove.

7. the speed-limiting device of hoist engine as described in claim 1, which is characterized in that the fixed rope (17) is nylon rope.

8. the speed-limiting device of hoist engine as described in claim 1, which is characterized in that the first motor (6), the second motor (12), third motor (15) and the 4th motor (22) are servo motor.

9. the speed-limiting device of hoist engine as described in claim 1, which is characterized in that the brake shoes (32) is far from rack gear (30) Side be equipped with friction plate (33).

10. the speed-limiting device of hoist engine as described in claim 1, which is characterized in that the close third of the limiting slot (19) The side of motor (15) is equipped with sewage draining exit (34).