CN113443571A

CN113443571A - Single-rail chain type hydraulic hoist for hoisting

Info

Publication number: CN113443571A
Application number: CN202110937554.4A
Authority: CN
Inventors: 冯国虎
Original assignee: BEIJING JINXUANYE TECHNOLOGY CO LTD
Current assignee: BEIJING JINXUANYE TECHNOLOGY CO LTD
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2021-09-28

Abstract

The invention provides a monorail crane chain type hydraulic hoist for hoisting, which comprises the following components: the hydraulic motor control assembly, the brake assembly, the hoisting chain driving assembly, the planetary reducer assembly, the lifting hook assembly and the motor valve protective cover assembly are reasonable in structure, large in hoisting ratio with the same volume, simple and convenient to operate, high in work efficiency, safe and reliable, have an explosion-proof characteristic, and meet the underground coal mine operation conditions.

Description

Single-rail chain type hydraulic hoist for hoisting

Technical Field

The invention mainly relates to the technical field of hoisting equipment, in particular to a monorail hoist chain type hydraulic hoist for hoisting.

Background

The hoisting block is an important part in hoisting equipment, the existing hoisting block comprises a chain block, an electric block, a pneumatic block, a hydraulic block and the like, however, the manual labor intensity is high and the work efficiency is low when the chain block is used; when the electric hoist is used in a mine, explosion-proof measures are required to be taken, so that the electric hoist is complex in structure and large in size; the pneumatic hoist cannot be used under a mine due to the limitation of air source conditions, and the rated load of the pneumatic hoist is small; the traditional hydraulic hoist is driven by an emulsion motor, the rated load is small, the several hoists cannot be well matched and used on mining mechanical equipment due to the limitation of self conditions, at present, hoisting equipment and small-sized traction equipment used by the mining mechanical equipment mainly use a chain block and a wire rope winch with the traditional structure, the winch realizes the traction and hoisting functions by winding the wire rope on a roller, and the wire rope is easy to fuzz and break and is easy to damage due to the specific working environment of a mine and the underground, so that safety accidents are easy to happen. Meanwhile, the whole size is large due to the limitation of a hoisting principle and a hoisting structure, so that the hand chain block cannot be conveniently placed on a matched host, the characteristic of the hand chain block cannot meet the aim of efficient and quick operation, and the hoisting equipment cannot meet the hoisting requirement required by a monorail crane.

Disclosure of Invention

The invention mainly provides a monorail sling chain type hydraulic hoist for hoisting, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows: a single track chain type hydraulic hoist for hoisting comprises the following components: hydraulic motor control assembly, brake subassembly, lifting chain drive assembly, planetary reducer subassembly, lifting hook subassembly, motor valve protection casing unit mount is in outside the hydraulic motor control assembly, hydraulic motor control assembly right-hand member is connected with the brake subassembly, the brake subassembly right-hand member is connected with lifting chain drive assembly, lifting chain drive assembly right-hand member is connected with the planetary reducer subassembly, lifting chain drive assembly includes lifting chain drive shell, lifting chain drive shell swing joint has main chain casing, main chain wheel, swing joint has lifting hook subassembly after high strength lifting block chain passes main chain wheel, and single track lifting chain formula hydraulic block for the jack-up hangs on the single track through the round pin axle is fixed, hydraulic motor control assembly, motor valve protection casing subassembly, brake subassembly, lifting chain drive assembly, the motor valve protection casing subassembly, The planetary reducer assembly has the characteristics of reasonable structure, large lifting ratio with the same volume, simplicity and convenience in operation, high work efficiency, safety and reliability, explosion-proof property, accordance with underground coal mine operation conditions and the like.

Further, the hydraulic motor control assembly comprises: the hydraulic brake comprises a first hydraulic motor, a control valve block, an overflow valve, a balance valve, a one-way valve and a shuttle valve, wherein the lower end of the first hydraulic motor is connected with the control valve block, the control valve block is respectively provided with the overflow valve, the balance valve, the one-way valve and the shuttle valve, and the design can realize the functions of controlling the forward and reverse rotation of the hydraulic motor and unlocking the brake of a brake.

Further, the brake assembly components include: stopper casing, friction disc, piston, first end cover, spline shaft sleeve, first seal receptacle, first bearing, spring, second seal receptacle, stopper casing right-hand member demountable installation has first end cover, the stopper casing with be equipped with spline shaft sleeve between the first end cover, first end cover inner wall symmetry respectively is equipped with first seal receptacle and first bearing, stopper casing inner wall symmetry respectively is equipped with piston, friction disc and second seal receptacle, and the symmetry sets up the piston with be equipped with the spring between the first end cover, the parking mechanical braking of hydraulic block can be realized to this design.

Further, the hoist chain drive assembly component includes: the lifting chain driving shell is internally provided with a main chain shell, the lifting chain driving shell and the main chain shell are symmetrically provided with friction pads, the lower end of the main chain shell is connected with the main chain wheel through the second bearing, the main chain shell is internally provided with a base plate, the base plate is movably connected with a chain divider, and the lifting and the weight placing can be completed through the design.

Further, the planetary reducer assembly component includes: a speed reducer shell, a planetary speed reducer component, a sun wheel shaft, a third bearing, a planetary wheel friction reducing pad, a gear ring friction reducing pad, a secondary gear, a third sealing seat, a speed reducer shell, a secondary gear ring, a tertiary gear ring, a quaternary gear and a second end cover, the inner wall of the shell of the speed reducer is respectively provided with a third sealing seat, a secondary gear ring and a tertiary gear ring, the inner wall of the third sealing seat is provided with a secondary gear, a gear ring friction reducing pad is arranged between the second-level gear ring and the third-level gear ring, a fourth-level gear is arranged on the inner wall of the third-level gear ring, the inner wall of the four-stage gear is provided with a third bearing, the right end of the reducer shell is detachably provided with a second end cover, planetary gear trains are arranged on the inner walls of the secondary gear ring and the tertiary gear ring, a planetary gear friction reducing pad is arranged between the planetary gear trains and the third bearing, the two-stage gear and the planetary gear train are internally provided with a sun wheel shaft, and the design can control the speed during working.

Further, the planetary gear train component part includes: the planet carrier body, planet wheel axle, first planet wheel, bearing, thrust bearing, planet carrier body swing joint has planet wheel axle, planet wheel axle outer wall is equipped with first planet wheel, planet wheel axle with be equipped with bearing between the first planet wheel, first planet wheel with be equipped with thrust bearing between the planet carrier body, this design has reduced the locating surface of each spare part, makes simple structure, practicality.

Further, the hook component comprises: high strength lifting hook, shackle, high strength hoist crane chain is connected with high strength lifting hook through the shackle, high strength hoist crane chain is kept away from the one end of high strength lifting hook is equipped with only chain ware, and this design can collude, hang heavy thing.

Further, the motor valve protective cover assembly comprises: the hydraulic motor protection device comprises a motor protection cover and a valve group protection cover, wherein the motor protection cover and the valve group protection cover are installed outside the first hydraulic motor, and the first hydraulic motor and each valve can be protected by the design.

Compared with the prior art, the invention has the beneficial effects that:

the hydraulic hoisting block is small in size and large in load capacity by combining the hydraulic motor control assembly and the hoisting chain driving assembly, so that the selectivity of a user is increased, and the structure characteristics of the hydraulic hoisting block are convenient for use in mines and underground places; furthermore, the crane main machine and the planetary reducer assembly are mutually supported, positioned and connected together, so that the positioning surfaces of all parts are reduced, and the structure is simple and practical.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

fig. 2 is a cross-sectional view of a hydraulic motor control assembly of the present invention;

FIG. 3 is a cross-sectional view of a brake assembly of the present invention;

figure 4 is a cross-sectional view of the hoist chain drive assembly of the present invention;

FIG. 5 is a cross-sectional view of the planetary reducer assembly of the present invention;

FIG. 6 is a cross-sectional view of the planetary gear train of the present invention;

fig. 7 is a cross-sectional view of the hook assembly of the present invention;

FIG. 8 is a cross-sectional view of the motor valve guard assembly of the present invention;

fig. 9 is a sectional view of the chain stopper of the present invention.

In the figure: 1. a hydraulic motor control assembly; 11. a first hydraulic motor; 12. a control valve block; 13. an overflow valve; 14. a balancing valve; 15. a one-way valve; 16. a shuttle valve; 2. a brake assembly; 21. a brake housing; 22. a friction plate; 23. a piston; 24. a first end cap; 25. a spline shaft sleeve; 26. a first seal seat; 27. a first bearing; 28. a spring; 29. a second seal seat; 3. a hoist chain drive assembly; 31. a hoist chain drive housing; 32. a main chain housing; 33. a friction pad; 34. a second bearing; 35. a main sprocket; 36. a pin shaft; 37. a base plate; 38. a chain divider; 4. a planetary reducer assembly; 41. a sun gear shaft; 411. a third bearing; 412. a planet wheel friction reducing pad; 413. a gear ring friction reducing pad; 42. a secondary gear; 43. a third seal seat; 44. a reducer housing; 45. a secondary gear ring; 46. a planetary gear train; 461. a planet carrier body; 462. a planetary wheel shaft; 463. a first planet gear; 464. a needle bearing; 465. a thrust bearing; 47. a third-stage gear ring; 48. a four-stage gear; 49. a second end cap; 5. a hook assembly; 51. a high-strength hook; 52. shackle dismounting; 53. a high-strength hoist chain; 6. a motor valve shield assembly; 61. a motor protective cover; 62. a valve block shroud; 7. a chain stopper.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-9 in greater detail, a monorail hoist chain type hydraulic hoist for lifting comprises a hydraulic motor control assembly 1 and a motor valve protection cover assembly 6 installed outside the hydraulic motor control assembly 1, wherein the right end of the hydraulic motor control assembly 1 is connected with a brake assembly 2, the right end of the brake assembly 2 is connected with a hoisting chain driving assembly 3, the right end of the hoisting chain driving assembly 3 is connected with a planetary reducer assembly 4, the hoisting chain driving assembly 3 comprises a hoisting chain driving shell 31, the hoisting chain driving shell 31 is movably connected with a pin shaft 36, the pin shaft 36 is used for fixing the hydraulic hoist on the monorail hoist, the hydraulic motor control assembly 1, the motor valve protection cover assembly 6, the brake assembly 2, the hoisting chain driving assembly 3 and the planetary reducer assembly 4 are all connected through bolts, and the device has a reasonable structure, The method has the characteristics of large hoisting ratio with the same volume, simple and convenient operation, high work efficiency, safety, reliability, explosion-proof property, accordance with the underground operation conditions of the coal mine and the like.

Referring now more particularly to fig. 2, the hydraulic motor control assembly 1 includes: the hydraulic brake system comprises a first hydraulic motor 11, wherein a control valve block 12 is connected to the lower end of the first hydraulic motor 11, an overflow valve 13, a balance valve 14, a one-way valve 15 and a shuttle valve 16 are respectively arranged on the control valve block 12, and the hydraulic brake system can realize the functions of controlling the forward and reverse rotation of the hydraulic motor and releasing the brake of a brake.

Referring now to fig. 3, the brake assembly 2 includes: brake housing 21, brake housing 21 right-hand member demountable installation has first end cover 24, brake housing 21 with be equipped with spline shaft sleeve 25 between the first end cover 24, the 24 inner walls of first end cover symmetry respectively are equipped with first seal receptacle 26 and first bearing 27, brake housing 21 inner wall symmetry respectively is equipped with piston 23, friction disc 22 and second seal receptacle 29, and the symmetry sets up piston 23 with be equipped with spring 28 between the first end cover 24, the parking mechanical braking of hydraulic block can be realized to this design.

With reference again to fig. 4, the hoist chain drive assembly 3 comprises: the lifting chain drives the shell 31, be equipped with main chain casing 32 in the lifting chain drives the shell 31, lifting chain drives shell 31 with the symmetry is equipped with friction pad 33 between the main chain casing 32, main chain casing 32 lower extreme is connected with main sprocket 35 through second bearing 34, be equipped with backing plate 37 in the main chain casing 32, backing plate 37 swing joint has chain distributor 38, and this design can accomplish to lift by crane, puts the heavy object.

Referring now to fig. 5 and 6, the planetary reducer assembly 4 includes: reducer housing 44, reducer housing 44 inner wall is equipped with third seal receptacle 43, second grade ring gear 45, tertiary ring gear 47 respectively, third seal receptacle 43 inner wall is equipped with secondary gear 42, be equipped with ring gear friction reduction pad 413 between second grade ring gear 45 and the tertiary ring gear 47, tertiary ring gear 47 inner wall is equipped with level four gear 48, level four gear 48 inner wall is equipped with third bearing 411, reducer housing 44 right-hand member demountable installation has second end cover 49 lid, second grade ring gear 45 with tertiary ring gear 47 inner wall is equipped with planetary gear 46, planetary gear 46 with be equipped with planet wheel friction reduction pad 412 between the third bearing 411, be equipped with sun gear shaft 41 in secondary gear 42, the planetary gear 46, planetary gear 46 includes: the planet carrier 461 is movably connected with a planet wheel shaft 462, a first planet wheel 463 is arranged on the outer wall of the planet wheel shaft 462, a needle roller bearing 464 is arranged between the planet wheel shaft 462 and the first planet wheel 463, and a thrust bearing 465 is arranged between the first planet wheel 463 and the planet carrier 461.

Referring to fig. 1, 7 and 9, the lifting hook assembly 5 includes a high-strength hoist chain 53, the high-strength hoist chain 53 is connected to a high-strength lifting hook 51 through a shackle 52, and a chain stopper 7 is disposed at an end of the high-strength hoist chain 53 away from the high-strength lifting hook 51, so as to hook and lift a heavy object.

Referring now to fig. 1 and 8, the motor valve guard assembly 6 includes a motor guard 61 and a valve block guard 62 mounted outside the first hydraulic motor 11 and designed to protect the first hydraulic motor 11 and the valves.

The specific operation mode of the invention is as follows:

when a monorail hoist chain type hydraulic hoist for hoisting is used, the first hydraulic motor 11 rotates forwards and reversely, the braking function of a brake is unlocked, so that the functions of outputting hydraulic motive power, balancing and supporting a hydraulic oil path and the like are realized, the output shaft of the first hydraulic motor 11 is connected with the spline shaft sleeve 25, the spline shaft sleeve 25 is connected with the sun gear shaft 41 to be used as motive power for inputting, meanwhile, the spline shaft sleeve 25 and the brake shell 21 form a friction and clutch structure through the friction plate 22, the friction force is formed by the action force of the spring 28 and is applied to the friction plate 22 through the piston 23, friction torque is formed on the spline shaft sleeve 25, so that the braking on the spline shaft sleeve 25 is realized, namely, the braking on the sun gear shaft 41 is realized, namely, the mechanical braking with the main chain wheel 35, the high-strength hoist chain 53 and the high-strength lifting hook 51 is completed; the safety stop after the weight is lifted by the hydraulic hoist is finished by combining the hydraulic braking function of the balance valve 14 in the first hydraulic motor 11, the mechanical transmission is transmitted to the sun wheel shaft 41 from the first hydraulic motor 11, the spline shaft sleeve 25 and the sun wheel shaft 41, the planet wheel shaft 462 is meshed with the secondary gear ring 45, the secondary gear ring 45 is meshed with the secondary gear 42 and is fixed on the cover of the second end cover 49, and the cover of the second end cover 49 is fixed on the shell 44 of the reducer to form mechanical rooting; the planetary gear is engaged with the third-stage gear ring 47, the third-stage gear ring 47 is engaged with the fourth-stage gear 48 to form the transmission of speed reduction and torque increase with the speed ratio i being 76, the transmission is acted on the second-stage gear 42 by the reverse torque generated by the fourth-stage gear 48 fixed on the second end cover 49 to form the torque output, the planetary gear train 46, the third-stage gear ring 47 and the second-stage gear ring 45 of the planetary speed reduction transmission are all in a floating state, the sun wheel shaft 41 is also in a semi-floating state, the mechanical friction generated by the relative motion of the planetary gear train 46, the fourth-stage gear 48 and the second-stage gear 42 is eliminated by the friction reducing cushion of the planetary gear train 46 and the friction reducing cushion of the gear ring 413, the second-stage gear 42 is linked with the main chain wheel 35, the main chain wheel 35 is arranged on the hoisting chain driving shell 31 and the main chain shell 32 through the second bearing 34 to form the mechanical transmission structure for driving the high-strength hoisting chain 53, and the high-strength hoisting chain 53 is connected with the shackle 52, The high-strength hook 51 is used for hanging heavy objects.

The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a single track chain type hydraulic block for jack-up which characterized in that, this single track chain type hydraulic block for jack-up component part includes: hydraulic motor control assembly (1), brake subassembly (2), lifting chain drive assembly (3), planetary reducer subassembly (4), lifting hook subassembly (5), motor valve protection casing subassembly (6) are installed outside hydraulic motor control assembly (1), hydraulic motor control assembly (1) right-hand member is connected with brake subassembly (2), brake subassembly (2) right-hand member is connected with lifting chain drive assembly (3), lifting chain drive assembly (3) right-hand member is connected with planetary reducer subassembly (4), lifting chain drive assembly (3) include lifting chain drive shell (31), main chain drive shell (31) is equipped with main chain casing (32), main chain wheel (35) is equipped with in main chain casing (32), main chain wheel (35) have lifting hook subassembly (5) through high strength lifting block chain (53) swing joint, the hydraulic motor control assembly (1), the motor valve protective cover assembly (6), the brake assembly (2), the hoisting chain driving assembly (3) and the planetary reducer assembly (4) are connected in a bolt mode.

2. A monorail hoist chain hydraulic hoist for lifting as claimed in claim 1, characterized in that said hydraulic motor control assembly (1) comprises in its component parts: the hydraulic control system comprises a first hydraulic motor (11), a control valve block (12), an overflow valve (13), a balance valve (14), a one-way valve (15) and a shuttle valve (16), wherein the control valve block (12) is connected to the lower end of the first hydraulic motor (11), and the overflow valve (13), the balance valve (14), the one-way valve (15) and the shuttle valve (16) are respectively arranged on the control valve block (12).

3. A monorail hoist chain hydraulic block for lifting as claimed in claim 1, characterised in that said brake assembly (2) comprises, in its component parts: stopper casing (21), friction disc (22), piston (23), first end cover (24), spline axle sleeve (25), first seal receptacle (26), first bearing (27), spring (28), second seal receptacle (29), stopper casing (21) right-hand member demountable installation has first end cover (24), stopper casing (21) with be equipped with spline axle sleeve (25) between first end cover (24), first end cover (24) inner wall symmetry respectively is equipped with first seal receptacle (26) and first bearing (27), stopper casing (21) inner wall symmetry respectively is equipped with piston (23), friction disc (22) and second seal receptacle (29), and the symmetry sets up piston (23) with be equipped with spring (28) between first end cover (24).

4. A monorail hoist chain hydraulic block for lifting as claimed in claim 1, characterised in that said hoist chain drive assembly (3) comprises in its component parts: hoist chain drive shell (31), main chain casing (32), friction pad (33), second bearing (34), main chain wheel (35), round pin axle (36), backing plate (37), branch chain ware (38), be equipped with main chain casing (32) in hoist chain drive shell (31), hoist chain drive shell (31) with the symmetry is equipped with friction pad (33) between main chain casing (32), main chain casing (32) lower extreme is connected with main chain wheel (35) through second bearing (34), be equipped with backing plate (37) in main chain casing (32), backing plate (37) swing joint has branch chain ware (38).

5. A monorail hoist chain hydraulic block for lifting as claimed in claim 1, characterised in that said planetary reducer assembly (4) comprises, in its component parts: the reducer comprises a reducer shell (44), a planetary reducer assembly (4), a sun wheel shaft (41), a third bearing (411), a planet wheel friction reducing pad (412), a gear ring friction reducing pad (413), a secondary gear (42), a third sealing seat (43), the reducer shell (44), a secondary gear ring (45), a tertiary gear ring (47), a quaternary gear (48) and a second end cover (49), wherein the inner wall of the reducer shell (44) is respectively provided with the third sealing seat (43), the secondary gear ring (45) and the tertiary gear ring (47), the inner wall of the third sealing seat (43) is provided with the secondary gear (42), the gear ring friction reducing pad (413) is arranged between the secondary gear ring (45) and the tertiary gear ring (47), the inner wall of the tertiary gear ring (47) is provided with the quaternary gear (48), the inner wall of the quaternary gear (48) is provided with the third bearing (411), and the right end of the reducer shell (44) is detachably provided with the second end cover (49), planetary gear trains (46) are arranged on the inner walls of the secondary gear ring (45) and the tertiary gear ring (47), planetary gear friction reducing pads (412) are arranged between the planetary gear trains (46) and the third bearings (411), and sun shafts (41) are arranged in the secondary gear (42) and the planetary gear trains (46).

6. A monorail hoist chain hydraulic hoist for lifting as claimed in claim 5, characterized in that said planetary gear train (46) comprises in its component parts: the planet carrier comprises a planet carrier body (461), a planet wheel shaft (462), a first planet wheel (463), a needle bearing (464) and a thrust bearing (465), wherein the planet carrier body (461) is movably connected with the planet wheel shaft (462), the outer wall of the planet wheel shaft (462) is provided with the first planet wheel (463), the needle bearing (464) is arranged between the planet wheel shaft (462) and the first planet wheel (463), and the thrust bearing (465) is arranged between the first planet wheel (463) and the planet carrier body (461).

7. A monorail hoist chain type hydraulic hoist for lifting as claimed in claim 1, characterized in that said hook assembly (5) comprises in its component parts: high strength lifting hook (51), break out (52), high strength hoist crane chain (53) are connected with high strength lifting hook (51) through break out (52), high strength hoist crane chain (53) are kept away from the one end of high strength lifting hook (51) is equipped with only chain ware (7).

8. A monorail hoist chain hydraulic hoist for lifting as claimed in claim 2, characterised in that said motor valve guard assembly (6) comprises in its component parts: a motor shield (61), a valve block shield (62), the motor shield (61) and the valve block shield (62) being mounted outside the first hydraulic motor (11).