CN211545781U

CN211545781U - Hydraulic control type hoisting device

Info

Publication number: CN211545781U
Application number: CN201922174989.9U
Authority: CN
Inventors: 王磊; 李美钗; 王练; 潘文兵
Original assignee: Shanghai Pohu Drive System Co ltd
Current assignee: Shanghai Pohu Drive System Co ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-09-22
Anticipated expiration: 2029-12-07

Abstract

The utility model discloses a hydraulic control type lifting device, which comprises a lifting mechanism, a hydraulic driving mechanism, a hydraulic braking mechanism and a speed reducing mechanism, wherein the speed reducing mechanism is fixedly arranged on the left side wall of the lifting mechanism, the right side outer wall of the lifting mechanism is fixedly connected with the hydraulic braking mechanism, the hydraulic driving mechanism is connected with the hydraulic braking mechanism, the hydraulic driving mechanism and the hydraulic braking mechanism are arranged on the same side of the lifting mechanism, so that the lifting mechanism is positioned at the central part of the whole device, the weight distribution is more uniform, the chain runs more stably, the distance between the hydraulic driving mechanism and the hydraulic braking mechanism is greatly shortened, the length of a hydraulic oil pipe is effectively reduced, the oil circuit loss is reduced, the maintenance cost is reduced, oil is added into the speed reducing mechanism through an end cap, the heat generated by a gear meshing part inside the speed reducing mechanism in the motion process is reduced, and the service, the oil leak is effectively avoided in the setting of O type circle and sealing washer, and the practicality is better.

Description

Hydraulic control type hoisting device

Technical Field

The utility model relates to a hydraulic control formula lifts by crane technical field specifically is a hydraulic control formula hoisting accessory.

Background

In the coal mine mechanical hoisting equipment, a hoisting device is an important part, the form of the hoisting device is changed by manual, pneumatic, electric and hydraulic hoisting, in recent years, the hydraulic hoisting combined with an external valve block system is gradually applied due to large load capacity, a medium for hoisting a heavy object is changed from a nylon rope and a steel wire rope to a chain, and the original steel wire rope is easy to fluff or even break due to friction, so that the original steel wire rope is widely replaced by the chain at present.

On hydraulic pressure chain hoisting accessory, place hydraulic braking part and hydraulic pressure speed reduction part in the mounting structure on same one side to it is long to have led to the fact the hydraulic pressure pipeline, and whole hoisting accessory weight distributes unevenly, has the hidden danger of falling on one side.

Disclosure of Invention

An object of the utility model is to provide a hydraulic control formula hoisting accessory, it is more even to possess device weight distribution, the chain operation is more steady, the maintenance cost is low, can reduce the heat that the inside gear engagement spare of reduction gears produced in the motion process, avoid local heat to concentrate, the life of extension fixture effectively avoids the oil leak, guarantee braking effect, the better advantage of practicality, hoisting accessory's volume proportion is big among the solution prior art, weight distribution is inhomogeneous, the unstable problem of chain operation.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic control type lifting device comprises a lifting mechanism, a hydraulic driving mechanism, a hydraulic braking mechanism and a speed reducing mechanism, wherein the speed reducing mechanism is fixedly arranged on the left side wall of the lifting mechanism, the right outer wall of the lifting mechanism is fixedly connected with the hydraulic braking mechanism, the hydraulic driving mechanism is connected with the hydraulic braking mechanism, the speed reducing mechanism comprises an input shaft, a planet wheel assembly, a bearing A and a retaining ring for a shaft, the input shaft is fixedly connected with the planet wheel assembly through the bearing A, a retaining ring for a shaft is additionally arranged at the joint of the planet wheel assembly and the bearing A, the outer side of the planet wheel assembly is provided with the outer gear ring, the outer gear ring is fixedly arranged on the outer gear ring, the plug is fixedly arranged on the outer gear ring, the end cover is arranged on the left end face of the outer gear ring, the O-shaped ring is arranged at the joint of the end cover and the outer gear ring, the end cover is movably connected with the input shaft through the bearing B, and the end cover is fixedly connected with the hoisting mechanism;

the lifting mechanism comprises a chain wheel shaft, a bearing C, a chain wheel mounting seat, a stop block, an oil seal and a sealing ring, the sealing ring is fixedly mounted at the connecting part of the chain wheel mounting seat and the inner gear ring, the stop block is arranged at one end of the chain wheel mounting seat, the oil seal is arranged at the other end of the chain wheel mounting seat, the chain wheel mounting seat is positioned on the outer side of the chain wheel shaft, the chain wheel shaft is movably mounted inside the chain wheel mounting seat through the bearing C, and the right side of the chain wheel mounting seat is fixedly connected with;

the hydraulic brake mechanism comprises a brake piston, static friction plates, dynamic friction plates, a brake block, a bearing D, a brake seat, a brake end cover, a spring assembly and a star-shaped sealing ring, wherein a plurality of groups of dynamic friction plates are fixedly installed on the outer wall of the brake block, the static friction plates are arranged between two adjacent groups of dynamic friction plates, the static friction plates are fixedly connected with the brake piston, the brake piston is fixedly installed in the brake seat, the star-shaped sealing ring is sleeved at the joint of the brake seat and the brake piston, the spring assembly is fixedly installed in the brake seat, the right side of the spring assembly is tightly attached to the inner wall of the brake end cover, the brake end cover is movably installed on the right end face of the;

the hydraulic driving mechanism comprises a motor, a hydraulic valve block assembly, a connecting spline sleeve and a limit screw, the hydraulic valve block assembly is fixedly installed on the outer wall of the motor through a bolt and a gasket, the motor is fixedly connected with the connecting spline sleeve through a shaft with a flat key, and the limit screw is fixedly installed inside the connecting spline sleeve.

Preferably, the hydraulic driving mechanism and the hydraulic braking mechanism are arranged on the same side of the hoisting mechanism.

Preferably, the outer side of the planet wheel assembly is provided with an inner gear ring, and the inner gear ring is fixedly connected with the chain wheel shaft.

Preferably, the input shaft is fixedly connected with the connecting spline housing.

Preferably, the end cover is fixedly connected with the outer wall of the left side of the chain wheel mounting seat, and the outer wall of the right side of the chain wheel mounting seat is fixedly connected with the brake seat.

Preferably, the bearing D is sleeved on the outer side of the input shaft, and the bearing D is tightly attached to the brake block.

Preferably, the hydraulic oil pipe is directly connected with a hydraulic valve block assembly of the hydraulic driving mechanism at one side of the hoisting mechanism.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this hydraulic control formula hoisting accessory installs hydraulic drive mechanism and hydraulic braking mechanism in hoisting accessory same one side for hoisting accessory is located the central part of whole device, and weight distribution is more even, and the chain operation is more steady.

2. This hydraulic control formula hoisting accessory, the distance between hydraulic drive mechanism and the hydraulic braking mechanism shortens greatly, effectively reduces hydraulic pressure oil pipe's length, reduces the oil circuit loss, can exempt from the protection to hydraulic pressure oil pipe in the in-service use process, and maintenance cost greatly reduced.

3. This hydraulic control formula hoisting accessory refuels to reduction gears's inside through the end cap, reduces the heat that reduction gears inside gear engagement spare produced at the motion in-process, avoids local heat to concentrate, extension fixture's life.

4. This hydraulic control formula hoisting accessory, the oil leak is effectively avoided in the setting of O type circle and sealing washer, guarantees braking effect, and the practicality is better.

Drawings

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

FIG. 2 is a sectional view of the whole internal structure of the present invention;

FIG. 3 is a schematic side view of the overall external structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the speed reducing mechanism of the present invention;

fig. 5 is a schematic view of the internal structure of the hoisting mechanism of the present invention;

fig. 6 is a schematic view of the connection between the hydraulic driving mechanism and the hydraulic braking mechanism of the present invention.

In the figure: 1. a hoisting mechanism; 11. a sprocket shaft; 12. a bearing C; 13. a sprocket mounting seat; 14. a stopper; 15. oil sealing; 16. a seal ring; 2. a hydraulic drive mechanism; 21. a motor; 22. a hydraulic valve block assembly; 23. connecting the spline housing; 24. a limit screw; 3. a hydraulic brake mechanism; 31. a brake piston; 32. a static friction plate; 33. a dynamic friction plate; 34. a brake pad; 35. a bearing D; 36. a brake seat; 37. a brake end cap; 38. a spring assembly; 39. a star-shaped sealing ring; 4. a speed reduction mechanism; 41. an input shaft; 42. a planet wheel assembly; 43. a bearing A; 44. a retainer ring for a shaft; 45. an outer ring gear; 46. an inner gear ring; 47. a plug; 48. an end cap; 49. a bearing B; 410. an O-shaped ring; 5. and a hydraulic oil pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a hydraulic control type lifting device includes a lifting mechanism 1, a hydraulic driving mechanism 2, a hydraulic braking mechanism 3 and a speed reducing mechanism 4, wherein the speed reducing mechanism 4 is fixedly installed on the left side wall of the lifting mechanism 1, the right outer wall of the lifting mechanism 1 is fixedly connected with the hydraulic braking mechanism 3, the hydraulic driving mechanism 2 is connected with the hydraulic braking mechanism 3, and the hydraulic driving mechanism 2 and the hydraulic braking mechanism 3 are installed on the same side of the lifting mechanism 1.

Referring to fig. 4, the speed reducing mechanism 4 includes an input shaft 41, a planetary gear assembly 42, a bearing a43, a shaft retainer ring 44, an outer gear ring 45, an inner gear ring 46, a plug 47, an end cover 48, a bearing B49 and an O-ring 410, the input shaft 41 is fixedly connected with the planetary gear assembly 42 through a bearing a43, the shaft retainer ring 44 is additionally installed at the connection position of the planetary gear assembly 42 and the bearing a43, the inner gear ring 46 is installed at the outer side of the planetary gear assembly 42, the inner gear ring 46 is fixedly connected with the sprocket shaft 11, the outer gear ring 45 is installed at the outer side of the planetary gear assembly 42, the plug 47 is fixedly installed on the outer gear ring 45, the end cover 48 is installed on the left end face of the outer gear ring 45, the end cover 48 is fixedly connected with the left outer wall of the sprocket mounting seat 13, the right outer wall of the sprocket mounting seat 13 is fixedly connected with the brake seat 36, the O-, the input shaft 41 is fixedly connected with the connecting spline housing 23, and the end cover 48 is fixedly connected with the hoisting mechanism 1.

Referring to fig. 5, the hoisting mechanism 1 includes a sprocket shaft 11, a bearing C12, a sprocket mounting seat 13, a stopper 14, an oil seal 15 and a seal ring 16, the seal ring 16 is fixedly mounted at a connection position of the sprocket mounting seat 13 and the inner gear ring 46, the stopper 14 is arranged at one end of the sprocket mounting seat 13, the oil seal 15 is arranged at the other end of the sprocket mounting seat 13, the sprocket mounting seat 13 is located at the outer side of the sprocket shaft 11, the sprocket shaft 11 is movably mounted inside the sprocket mounting seat 13 through a bearing C12, and the right side of the sprocket mounting seat 13 is fixedly connected with the hydraulic brake mechanism 3.

Referring to fig. 6, the hydraulic brake mechanism 3 includes a brake piston 31, static friction plates 32, dynamic friction plates 33, a brake block 34, a bearing D35, a brake seat 36, a brake end cover 37, a spring assembly 38 and a star-shaped seal ring 39, the bearing D35 is sleeved on the outer side of an input shaft 41, the bearing D35 is tightly attached to the brake block 34, a plurality of sets of dynamic friction plates 33 are fixedly installed on the outer wall of the brake block 34, the static friction plates 32 are arranged between two adjacent sets of dynamic friction plates 33, the static friction plates 32 are fixedly connected with the brake piston 31, the brake piston 31 is fixedly installed inside the brake seat 36, the star-shaped seal ring 39 is sleeved on the joint of the brake seat 36 and the brake piston 31, the spring assembly 38 is fixedly installed inside the brake seat 36, the right side of the spring assembly 38 is tightly attached to the inner wall of the brake end, brake end cover 37 and hydraulic drive mechanism 2 fixed connection, hydraulic drive mechanism 2 includes motor 21, hydraulic valve block subassembly 22, connecting spline housing 23 and stop screw 24, hydraulic valve block subassembly 22 passes through bolt and packing ring fixed mounting on the outer wall of motor 21, motor 21 is through taking flat key axle and connecting spline housing 23 fixed connection certainly, connecting spline housing 23's inside fixed mounting stop screw 24, hydraulic valve block subassembly 22 and hydraulic pressure oil pipe 5 intercommunication, hydraulic pressure oil pipe 5 directly connects hydraulic drive mechanism 2's hydraulic valve block subassembly 22 in one side of hoisting mechanism 1.

The working principle is as follows: the external system is started, the input hydraulic oil passes through the hydraulic valve block component 22, the oil firstly enters the brake seat 36 of the hydraulic brake mechanism 3 through the hydraulic oil pipe 5, the pressure caused by the hydraulic oil is greater than the pressure of the spring component 38, and the brake piston 31 pressing the static friction plate 32 and the dynamic friction plate 33 is pushed away, so that the brake is released; at the moment, the motor 21 rotates, torque is output at the flat key shaft end of the motor 21, the motor 21 rotates to drive the input shaft 41 to correspondingly rotate, the planetary wheel assembly 42 is fixedly connected with the inner gear ring 46, power is transmitted to the inner gear ring 46 through the planetary wheel assembly 42 by the input shaft 41, the torque is transmitted to the chain wheel shaft 11 by the inner gear ring 46 at the moment, chains are driven to run, and therefore the lifting device lifts or puts down cargos.

In summary, the following steps: this hydraulic control formula hoisting accessory, install hydraulic drive mechanism 2 and hydraulic braking mechanism 3 in same one side of hoisting accessory 1, make hoisting accessory 1 be located the central part of whole device, weight distribution is more even, the chain operation is more steady, the distance between hydraulic drive mechanism 2 and the hydraulic braking mechanism 3 shortens greatly, the length of hydraulic pressure oil pipe 5 effectively reduces, reduce the oil circuit loss, can reduce the protection to hydraulic pressure oil pipe 5 in the in-service use process, maintenance cost greatly reduced, refuel to the inside of reduction gears 4 through end cap 47, reduce the heat that the inside gear engagement spare of reduction gears 4 produced in the motion process, avoid local heat to concentrate, the life of extension fixture, the oil leak is effectively avoided in the setting of O type circle 410 and sealing washer 16, guarantee braking effect, the practicality is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic control formula hoisting accessory, includes hoisting accessory (1), hydraulic drive mechanism (2), hydraulic braking mechanism (3), reduction gears (4) and hydraulic pressure oil pipe (5), reduction gears (4) fixed mounting is on the left side wall of hoisting accessory (1), the right side outer wall and the hydraulic braking mechanism (3) fixed connection of hoisting accessory (1), and hydraulic drive mechanism (2) meet its characterized in that with hydraulic braking mechanism (3): the speed reducing mechanism (4) comprises an input shaft (41), a planet wheel assembly (42), a bearing A (43), a shaft retainer ring (44), an outer gear ring (45), an inner gear ring (46), a plug (47), an end cover (48), a bearing B (49) and an O-shaped ring (410), the input shaft (41) is fixedly connected with the planet wheel assembly (42) through a bearing A (43), a shaft retainer ring (44) is additionally arranged at the joint of the planet wheel assembly (42) and the bearing A (43), an outer gear ring (45) is arranged on the outer side of the planet wheel assembly (42), a plug (47) is fixedly arranged on the outer gear ring (45), an end cover (48) is arranged on the left end face of the outer gear ring (45), an O-shaped ring (410) is arranged at the joint of the end cover (48) and the outer gear ring (45), the end cover (48) is movably connected with the input shaft (41) through a bearing B (49), and the end cover (48) is fixedly connected with the hoisting mechanism (1);

the lifting mechanism (1) comprises a chain wheel shaft (11), a bearing C (12), a chain wheel mounting seat (13), a stop block (14), an oil seal (15) and a sealing ring (16), wherein the sealing ring (16) is fixedly mounted at the joint of the chain wheel mounting seat (13) and an inner gear ring (46), the stop block (14) is arranged at one end of the chain wheel mounting seat (13), the oil seal (15) is arranged at the other end of the chain wheel mounting seat (13), the chain wheel mounting seat (13) is positioned on the outer side of the chain wheel shaft (11), the chain wheel shaft (11) is movably mounted in the chain wheel mounting seat (13) through the bearing C (12), and the right side of the chain wheel mounting seat (13) is fixedly connected with the hydraulic brake mechanism (3);

the hydraulic brake mechanism (3) comprises a brake piston (31), static friction plates (32), dynamic friction plates (33), a brake block (34), a bearing D (35), a brake seat (36), a brake end cover (37), a spring assembly (38) and a star-shaped sealing ring (39), wherein multiple groups of dynamic friction plates (33) are fixedly installed on the outer wall of the brake block (34), the static friction plates (32) are arranged between two adjacent groups of dynamic friction plates (33), the static friction plates (32) are fixedly connected with the brake piston (31), the brake piston (31) is fixedly installed in the brake seat (36), the star-shaped sealing ring (39) is sleeved at the joint of the brake seat (36) and the brake piston (31), the spring assembly (38) is fixedly installed in the brake seat (36), the right side of the spring assembly (38) is tightly attached to the inner wall of the brake end cover (37), the brake end cover (37) is movably arranged on the right end surface of the brake seat (36), and the brake end cover (37) is fixedly connected with the hydraulic driving mechanism (2);

the hydraulic driving mechanism (2) comprises a motor (21), a hydraulic valve block assembly (22), a connecting spline sleeve (23) and a limit screw (24), the hydraulic valve block assembly (22) is fixedly installed on the outer wall of the motor (21) through a bolt and a gasket, the motor (21) is fixedly connected with the connecting spline sleeve (23) through a self-contained flat key shaft, and the limit screw (24) is fixedly installed inside the connecting spline sleeve (23).

2. The hydraulic control type hoisting device according to claim 1, wherein: the hydraulic driving mechanism (2) and the hydraulic braking mechanism (3) are arranged on the same side of the hoisting mechanism (1).

3. The hydraulic control type hoisting device according to claim 1, wherein: an inner gear ring (46) is arranged on the outer side of the planetary wheel assembly (42), and the inner gear ring (46) is fixedly connected with the chain wheel shaft (11).

4. The hydraulic control type hoisting device according to claim 1, wherein: the input shaft (41) is fixedly connected with the connecting spline sleeve (23).

5. The hydraulic control type hoisting device according to claim 1, wherein: the end cover (48) is fixedly connected with the outer wall of the left side of the chain wheel mounting seat (13), and the outer wall of the right side of the chain wheel mounting seat (13) is fixedly connected with the brake seat (36).

6. The hydraulic control type hoisting device according to claim 1, wherein: the bearing D (35) is sleeved on the outer side of the input shaft (41), and the bearing D (35) is tightly attached to the brake block (34).

7. The hydraulic control type hoisting device according to claim 1, wherein: and the hydraulic oil pipe (5) is directly connected with a hydraulic valve block assembly (22) of the hydraulic driving mechanism (2) at one side of the hoisting mechanism (1).