A speed reducer for a shaft sinking winch

Abstract

The application relates to the technical field of speed reducers, in particular to a speed reducer for a shaft sinking winch, which comprises a shaft sinking winch speed reducer body, a high-speed shaft chamber and a low-speed shaft chamber are arranged in the shaft sinking winch speed reducer body, a low-speed shaft is rotationally connected to the inner wall of the front side of the low-speed shaft chamber, and a high-speed transmission assembly is arranged in the high-speed shaft chamber. The high-speed shaft chamber and the low-speed shaft chamber are combined, the layout in the speed reducer is optimized, the structure of the transmission shaft is optimized, the annular oil hole is used to store the supplementary lubricating oil, the lubricating effect on the high-speed transmission assembly can be achieved, the metal particles generated under the high-speed engagement between the driving gear and the transmission gear can be collected through the design of the particle collecting hole, the particle cleaning assembly is used to realize the efficient cleaning of the collected impurities, the particle cleaning assembly can be quickly disassembled through the setting of the quick-disassembly assembly, the layout of the transmission shaft is not affected, and the whole speed reducer does not need to be disassembled.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of speed reducer, in particular to a speed reducer for shaft sinking winch. BACKGROUND

[0002] The speed reducer for shaft sinking winch is an important component of shaft sinking equipment, mainly used for reducing the speed of the winch and increasing the torque, so as to meet the performance requirements of the winch for shaft sinking operation. In the shaft sinking operation, the winch needs to bear a large load, and at the same time requires stable and reliable operation, therefore, the speed reducer plays a crucial role in the shaft sinking winch.

[0003] In the prior art, such as a self-lubricating speed reducer with publication number CN115467959B, including a shell, a rotating pipe, the shell is provided with a rotating pipe on one side, a rotating cone shaft is rotatably arranged in the rotating pipe, the rotating cone shaft extends into the shell and is connected with a first bevel gear at one end, the first bevel gear is rotatably arranged with a gear assembly in the shell, and an oil injection bin is arranged above the gear assembly and at the top of the shell. The above document can automatically lubricate the gear reduction assembly inside the speed reducer.

[0004] In order to solve the problem that the speed reducer is not lubricated properly and easy to jam during use, the prior art lubricates according to the speed or jamming situation, but in actual use, since the input shaft is connected with the motor, the high-speed shaft and its bearing need to bear greater friction and centrifugal force, so compared with the low-speed shaft, it is more prone to wear and tear, and once the high-speed shaft is worn too much, the entire speed reducer and motor need to be disassembled for maintenance, which is low in efficiency.

[0005] Therefore, the present application provides a speed reducer for shaft sinking winch to solve the problem that the high-speed shaft and its bearing need to bear greater friction and centrifugal force compared with the low-speed shaft, so it is more prone to wear and tear and difficult to replace and maintain. The speed reducer cavity is divided into a high-speed chamber and a low-speed chamber, realizing self-lubrication of each chamber, precise lubrication of the connection position between the high-speed shaft and the transmission shaft, and reduction of the wear and tear between the gears; and the generated friction metal particles can be collected for easy cleaning. SUMMARY

[0006] In view of the deficiencies of the prior art, the present application aims to provide a speed reducer for shaft sinking winch to solve the problems raised in the background art.

[0007] In order to achieve the above object, the application provides the following technical scheme: a speed reducer for a shaft sinking winch, comprising a shaft sinking winch speed reducer body, a high-speed shaft chamber and a low-speed shaft chamber are arranged in the shaft sinking winch speed reducer body, a low-speed shaft is rotatably connected to the inner wall of the front side of the low-speed shaft chamber, a high-speed transmission assembly is arranged in the high-speed shaft chamber, the high-speed transmission assembly comprises a high-speed shaft, a driving gear, a transmission shaft, a transmission gear and an umbrella-shaped tooth, the high-speed shaft and the transmission shaft are rotatably mounted on the shaft sinking winch speed reducer body, the driving gear is arranged outside the high-speed shaft, the transmission gear is arranged outside the transmission shaft, the outer surface of the driving gear is adapted to engage with the outer surface of the transmission gear, one end of the transmission shaft extends to the inner cavity of the low-speed shaft chamber, the umbrella-shaped tooth is fixedly mounted on the outer surface of the transmission shaft, a sealing shell is arranged at the end of the transmission shaft away from the umbrella-shaped tooth, the inner surface of the sealing shell is rotatably connected to the outer surface of the transmission shaft, the sealing shell is fixedly mounted on the outer side of the shaft sinking winch speed reducer body, particle collecting holes and annular oil holes are arranged on the inner wall of the transmission shaft, and a particle cleaning assembly is arranged in the particle collecting holes.

[0008] Preferably, the outer surface of the high-speed shaft is fixedly provided with a spline one, the driving gear is fixedly connected to the high-speed shaft through the spline one, mounting ring plates one are arranged on the inner walls of the two sides of the driving gear, the mounting ring plates one are sleeved and mounted outside the high-speed shaft, flow-through holes one are arranged on the inner walls of the driving gear, the outer surface of the transmission shaft is fixedly provided with a spline two, the transmission gear is fixedly connected to the transmission shaft through the spline two, mounting ring plates two are fixedly connected to the outer surfaces of the two sides of the transmission gear, the mounting ring plates two are the same in structure as the mounting ring plates one, and the mounting ring plates two are fixedly connected to the outer surface of the transmission shaft through bolts, flow-through holes two are arranged on the inner walls of the transmission gear, and fixed ring plates three are fixedly mounted on the inner walls of one side of the umbrella-shaped tooth, the umbrella-shaped tooth is fixedly connected to one end of the transmission shaft through the fixed ring plates three, and flow-through holes three are uniformly arranged on the inner walls of the umbrella-shaped tooth.

[0009] Preferably, the annular oil holes and the particle collecting holes are coaxially distributed, helical grooves are arranged on the inner ring surfaces of the annular oil holes, the helical grooves are horizontally equidistantly arranged about the central axis of the transmission shaft, oil outlet holes one and oil outlet holes two are respectively arranged on the outer ring inner walls of the annular oil holes, the oil outlet holes one and the flow-through holes two are the same in number and correspondingly adapted, and the oil outlet holes two and the flow-through holes three are the same in number and one-to-one adapted.

[0010] Preferably, mounting grooves are respectively arranged on the inner walls of the two sides of the transmission gear, receiving groove plates are fixedly mounted on the inner surfaces of the mounting grooves, the outer side height of the receiving groove plates is lower than the outer peripheral surface of the mounting grooves, the two ends of the receiving groove plates are respectively provided with flared mouths and narrow mouths, the flared mouths of the receiving groove plates extend to the outer ring peripheral surface of the transmission gear, and the narrow mouths of the receiving groove plates extend to the inner ring surface of the particle collecting holes.

[0011] Preferably, the particle cleaning assembly comprises a blocking column arranged at one end of the particle collection hole, and the outer surface of the blocking column is movably connected with the inner surface of the particle collection hole, and a connecting rod is rotatably arranged at the center of the blocking column, and the two ends of the connecting rod are provided with close-fitting members.

[0012] Preferably, the close-fitting member comprises a circular end plate fixedly arranged on the outer surface of the connecting rod, and the outer ring surface of the circular end plate is fixedly sleeved with a rubber ring, and the outer surface of the rubber ring is movably abutted with the inner wall of the particle collection hole.

[0013] Preferably, the inner sides of the two groups of circular end plates are provided with scraping members, and the scraping member comprises a connecting sleeve fixedly arranged on the outer surface of the connecting rod, and three groups of elastic hook-shaped plates are circularly arranged about the center axis of the connecting rod, and the elastic hook-shaped plates are fixedly arranged on the outer surface of the connecting sleeve, and the outer surface of the elastic hook-shaped plate is movably connected with the inner wall of the particle collection hole.

[0014] Preferably, the inner side surface of the sealing ring is abutted with the outer surface of the blocking column, and a quick release assembly is arranged between the sealing shell and the blocking column, and the quick release assembly comprises a fixed ring plate and a sleeved ring plate, the sleeved ring plate is fixedly arranged on the outer side surface of the blocking column, the fixed ring plate is fixedly arranged on the outer surface of the sealing shell, the two sides of the sleeved ring plate are fixedly connected with the second trapezoidal block, and the inner wall of the second trapezoidal block is provided with a locking groove.

[0015] Preferably, the inner side surface of the sealing ring is abutted with the outer surface of the blocking column, and a quick release assembly is arranged between the sealing shell and the blocking column, and the quick release assembly comprises a fixed ring plate and a sleeved ring plate, the sleeved ring plate is fixedly arranged on the outer side surface of the blocking column, the fixed ring plate is fixedly arranged on the outer surface of the sealing shell, the two sides of the sleeved ring plate are fixedly connected with the second trapezoidal block, and the inner wall of the second trapezoidal block is provided with a locking groove.

[0016] Preferably, the two ends of the connecting arm are movably connected with guide columns on the inner wall, the guide columns are fixedly arranged on the outer surface of the lining plate, the outer surface of the lining plate is fixedly connected with an abutting spring, the other end of the abutting spring is fixedly connected with the inner side surface of the connecting arm, the abutting spring is movably sleeved on the outside of the guide column, the inner side surface of the lining plate is fixedly connected with a sleeving elastic wire, the other end of the sleeving elastic wire is fixedly connected with the outer surface of the first trapezoidal block, and the sleeving elastic wire is movably sleeved on the outside of the locking rod.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The application provides a speed reducer for a shaft sinking winch, which is combined with a high-speed shaft chamber and a low-speed shaft chamber, optimizes the layout in the speed reducer, stores the supplement of lubricating oil through an annular oil hole, meets the lubrication of a high-speed transmission assembly, meets the collection of metal particles generated between a driving gear and a transmission gear under high-speed engagement through the design of a particle collection hole, realizes the efficient cleaning of the collected impurities in cooperation with a particle cleaning assembly, and realizes the quick disassembly of the particle cleaning assembly through the setting of a quick disassembly assembly without affecting the layout of the transmission shaft and without the need of disassembling the whole speed reducer, so that the problem that the high-speed shaft and the bearing thereof of the traditional speed reducer need to bear greater friction and centrifugal force and are thus more prone to wear and difficult to maintain and repair is solved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the application;

[0020] Figure 2 It is a partial cross-sectional structure schematic diagram of the speed reducer body of the shaft sinking winch of the application;

[0021] Figure 3 It is a three-dimensional structure schematic diagram of the high-speed transmission assembly of the application;

[0022] Figure 4 It is a half cross-sectional structure schematic diagram of the high-speed transmission assembly of the application;

[0023] Figure 5 It is a disassembled structure schematic diagram of the high-speed transmission assembly of the application;

[0024] Figure 6 It is a three-dimensional structure schematic diagram of the transmission shaft of the application;

[0025] Figure 7 It is a disassembled structure schematic diagram of the high-speed shaft and the driving gear of the application;

[0026] Figure 8 It is a three-dimensional structure schematic diagram of the application; Figure 7 It is an enlarged structure schematic diagram of position B of the application;

[0027] Figure 9 It is an enlarged structure schematic diagram of position A of the application; Figure 4

[0028] Figure 10 It is a partial three-dimensional structure schematic diagram of the particle cleaning assembly of the application;

[0029] Figure 11 It is an enlarged structure schematic diagram of position C of the application; Figure 10

[0030] Figure 12 ​​Schematic diagram of partial structure of transmission gear of the present application;

[0031] Figure 13 Schematic diagram of partial structure of transmission gear of the present application; Figure 12 Schematic diagram of enlarged structure at D of the present application;

[0032] Figure 14 Schematic diagram of exploded structure of auxiliary lubricating assembly of the present application;

[0033] Figure 15 Schematic diagram of top view of partial section structure of shaft sinking winch speed reducer body of the present application;

[0034] Figure 16 Schematic diagram of partial structure of transmission gear of the present application; Figure 15 Schematic diagram of enlarged structure at E of the present application;

[0035] Figure 17 Schematic diagram of partial structure of transmission gear of the present application; Figure 16 Schematic diagram of enlarged structure at E1 of the present application;

[0036] Figure 18 Schematic diagram of connection structure of sealing shell and quick release assembly of the present application;

[0037] Figure 19 Schematic diagram of partial structure of transmission gear of the present application; Figure 17 Schematic diagram of enlarged structure at E11 of the present application.

[0038] In the figure: 1, shaft sinking winch speed reducer body; 10, high speed shaft chamber; 100, low speed shaft chamber; 2, low speed shaft; 31, high speed shaft; 3, driving gear; 4, transmission gear; 41, transmission shaft; 5, umbrella-shaped tooth; 51, fixed ring plate three; 50, flow-through hole three; 311, spline one; 30, flow-through hole one; 300, embedding groove; 321, embedding block; 32, mounting ring plate one; 411, spline two; 410, particle concentration hole; 4100, annular oil hole; 4101, helical groove; 4102, oil outlet hole one; 4103, oil outlet hole two; 42, mounting ring plate two; 400, mounting groove; 401, receiving groove plate; 40, flow-through hole two; 402, mounting recess; 403, clamping plate; 4031, connecting ear plate; 4032, absorbent cotton strip; 11, sealing shell; 6, plugging column; 61, connecting rod; 611, circular end plate; 6111, rubber ring; 612, connecting sleeve; 6121, elastic hook-shaped plate; 6122, particle retention groove; 7, fixed ring plate; 71, lining plate; 72, trapezoidal block one; 73, sleeving ring plate; 731, trapezoidal block two; 7310, locking groove; 74, locking rod; 741, connecting arm; 7411, guide column; 7412, abutment spring; 7413, sleeving elastic wire. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme of the present application, and the advantages more clear and obvious, the embodiments of the present application are further described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present application, rather than all the embodiments, and are only used to explain the embodiments of the present application, and are not used to limit the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0040] Embodiment one, please refer to Figures 1-19The application provides a technical scheme: a speed reducer for a shaft sinking winch, which comprises a shaft sinking winch speed reducer body 1, a high-speed shaft chamber 10 and a low-speed shaft chamber 100 are arranged in the shaft sinking winch speed reducer body 1, a low-speed shaft 2 is rotatably connected to the front side inner wall of the low-speed shaft chamber 100, a high-speed transmission assembly is arranged in the high-speed shaft chamber 10, the high-speed transmission assembly comprises a high-speed shaft 31, a driving gear 3, a transmission shaft 41, a transmission gear 4 and an umbrella-shaped tooth 5, the high-speed shaft 31 and the transmission shaft 41 are rotatably installed on the shaft sinking winch speed reducer body 1, the driving gear 3 is arranged outside the high-speed shaft 31, the transmission gear 4 is arranged outside the transmission shaft 41, the outer surface of the driving gear 3 is adapted to mesh with the outer surface of the transmission gear 4, one end of the transmission shaft 41 extends to the inner cavity of the low-speed shaft chamber 100, the umbrella-shaped tooth 5 is fixedly installed on the outer surface of the transmission shaft 41, a sealing shell 11 is arranged at the end, away from the umbrella-shaped tooth 5, of the transmission shaft 41, the inner surface of the sealing shell 11 is rotatably connected to the outer surface of the transmission shaft 41, the sealing shell 11 is fixedly installed on the outer side of the shaft sinking winch speed reducer body 1, particle concentrating holes 410 and annular oil holes 4100 are arranged on the inner wall of the transmission shaft 41, and a particle cleaning assembly is arranged in the particle concentrating holes 410; a spline one 311 is fixedly installed on the outer surface of the high-speed shaft 31, the driving gear 3 is fixedly connected to the high-speed shaft 31 through the spline one 311, mounting ring plates one 32 are arranged on the inner walls of the two sides of the driving gear 3, the mounting ring plates one 32 are sleeved and mounted outside the high-speed shaft 31, and flow-through holes one 30 are arranged on the inner wall of the driving gear 3; a spline two 411 is fixedly installed on the outer surface of the transmission shaft 41, the transmission gear 4 is fixedly connected to the transmission shaft 41 through the spline two 411, mounting ring plates two 42 are fixedly connected to the outer surfaces of the two sides of the transmission gear 4, the mounting ring plates two 42 are the same in structure as the mounting ring plates one 32, the mounting ring plates two 42 are fixedly connected to the outer surface of the transmission shaft 41 through bolts, and flow-through holes two 40 are arranged on the inner wall of the transmission gear 4; a fixed ring plate three 51 is fixedly installed on the inner wall of one side of the umbrella-shaped tooth 5, the umbrella-shaped tooth 5 is fixedly connected to one end of the transmission shaft 41 through the fixed ring plate three 51, and flow-through holes three 50 are uniformly arranged on the inner wall of the umbrella-shaped tooth 5; an embedded block 321 is fixedly connected to the inner side surface of the mounting ring plate one 32, embedded grooves 300 are arranged on the inner walls of the two sides of the driving gear 3, the inner surface of the embedded groove 300 is movably embedded with the outer surface of the embedded block 321, and the mounting ring plate one 32 is fixedly connected to the outer surface of the high-speed shaft 31 through bolts.

[0041] In the embodiment, by adopting the combination of the high-speed shaft chamber 10 and the low-speed shaft chamber 100, optimizing the layout in the speed reducer, optimizing the structure of the transmission shaft 41, storing the supplementary lubricating oil through the annular oil hole 4100, the lubrication of the high-speed transmission assembly can be met, and through the design of the particle collecting hole 410, the collection of the metal particles generated between the driving gear 3 and the transmission gear 4 under high-speed engagement can be met, and the efficient cleaning of the collected impurities can be realized by cooperating with the particle cleaning assembly; and through the setting of the quick release assembly, the particle cleaning assembly can be quickly disassembled, and the layout of the transmission shaft 41 is not affected, the whole speed reducer does not need to be disassembled, the problem that the high-speed shaft and its bearing of the traditional speed reducer need to bear greater friction and centrifugal force, so it is easier to produce wear and is not easy to replace and maintain is solved; it should be noted that the driving gear 3 is preliminarily installed between the high-speed shaft 31 through the spline one 311, and is assembled on both sides through the installation ring plate one 32, since there is a certain spacing between the spline one 311 and the driving gear 3, the installation structure between the transmission gear 4 and the transmission shaft 41 is the same as that of the driving gear 3, as shown in the transmission gear 4, when the lubricating oil overflows through the oil outlet hole one 4102 and the oil outlet hole two 4103, it can be transmitted through the flow hole two 40 and the flow hole three 50, which can realize the self-lubrication of the transmission gear 4 and the umbrella-shaped tooth 5, and can ensure that the lubricating oil can assist the lubrication of the adjacent gear parts.

[0042] Embodiment two, refer to the attached Figures 1-19On the basis of embodiment one, in order to realize uniform lubrication between each tooth groove of the driving gear 3 and the transmission gear 4, the embodiment further proposes that the transmission gear 4 is externally provided with teeth, adjacent two groups of teeth are provided with tooth grooves, the inner wall of the tooth groove is provided with a mounting groove 402, the inner side of the mounting groove 402 is provided with an auxiliary lubricating assembly, the auxiliary lubricating assembly comprises a clamping plate 403, the outer surface of the clamping plate 403 is movably connected with the inner wall of the mounting groove 402, the two ends of the clamping plate 403 are fixedly connected with connecting lug plates 4031, the clamping plate 403 is fixedly connected with the mounting groove 402 through the connecting lug plates 4031, the inner side surface of the clamping plate 403 is provided with a reserved groove, the inner surface of the reserved groove is provided with an absorbent cotton strip 4032, the bottom side of the absorbent cotton strip 4032 abuts against the inner cavity bottom surface of the mounting groove 402; it should be noted that the driving gear 3 and the transmission gear 4 are the same in structure, by providing the auxiliary lubricating assembly in the tooth groove of the driving gear 3 and the transmission gear 4, when the driving gear 3 and the transmission gear 4 are driven to transmit, the two are mutually engaged, at this time the absorbent cotton strip 4032 absorbs the lubricating oil squeezed out by the flow-through hole one 30 and the flow-through hole two 40, expands, so that under the action of adaptive engagement, the absorbent cotton strip 4032 is squeezed, the lubricating oil fills between the teeth of the driving gear 3 and the transmission gear 4, realizing accurate lubrication between the gears; it should be noted that the umbrella-shaped tooth 5 is provided with an oil injection pipe on the inner wall of the side away from the fixed ring plate three 51, the oil injection pipe is provided with a plugging plug outside the umbrella-shaped tooth 5, the inner wall of the transmission shaft 41 is provided with an oil injection hole matched with the oil injection pipe, for supplementing clean lubricating oil in the annular oil hole 4100.

[0043] Embodiment three, refer to the attached Figures 1-19 On the basis of embodiment two, in order to realize the collection of excess oil under the action of high-speed rotation of the internal gear of the high-speed shaft chamber 10, the embodiment further proposes that the annular oil hole 4100 and the particle concentration hole 410 are coaxially distributed, the inner ring surface of the annular oil hole 4100 is provided with a spiral groove 4101, the spiral grooves 4101 are horizontally equidistantly arranged about the center axis of the transmission shaft 41, the outer ring inner wall of the annular oil hole 4100 is respectively provided with an oil outlet hole one 4102 and an oil outlet hole two 4103, the oil outlet hole one 4102 and the flow-through hole two 40 are provided with the same number and are correspondingly matched, the oil outlet hole two 4103 and the flow-through hole three 50 are provided with the same number and are one-to-one matched; the inner walls of the two sides of the transmission gear 4 are respectively provided with mounting grooves 400, the inner surfaces of the mounting grooves 400 are fixedly installed with receiving groove plates 401, the outer side of the receiving groove plate 401 is lower than the outer peripheral surface of the mounting groove 400, the two ends of the receiving groove plate 401 are respectively provided with an expanded mouth and a narrow mouth, the expanded mouth of the receiving groove plate 401 extends to the outer ring surface of the transmission gear 4, and the narrow mouth of the receiving groove plate 401 extends to the inner ring surface of the particle concentration hole 410;

[0044] In this embodiment, as Figures 4-5 andFigure 12 As shown, receiving groove plates 401 that penetrate the inner wall of the transmission shaft 41 are opened on the inner walls on both sides of the transmission gear 4, and oil collection structures are added on both sides of the transmission gear 4. The receiving groove plates 401 here are in the form of a conical square bucket structure that is wide on the outside and narrowed on the inside. The reason for this design is to ensure that part of the oil is thrown out when the driving gear 3 and the transmission gear 4 are highly rotated. The receiving groove plates 401 can both accumulate the oil on the side annular surface of the transmission gear 4. On the other hand, the driving gear 3 and the transmission gear 4 may produce a certain amount of metal particles under long-term contact. The receiving groove plates 401 can collect the metal particles and guide the oil and metal particles into the inner cavity of the particle concentration hole 410 for storage.

[0045] Example 4, refer to the attached Figures 1-19 On the basis of the third embodiment, in order to realize the cleaning of the metal particles and excess oil collected in the inner cavity of the particle concentration hole 410, this embodiment further proposes: the particle cleaning component includes a blocking column 6, the blocking column 6 is arranged at one end of the particle concentration hole 410, and the outer surface of the blocking column 6 is movably connected to the inner surface of the particle concentration hole 410, the center of the blocking column 6 is rotatably installed with a connecting rod 61, and both ends of the connecting rod 61 are provided with a tight fitting part; the tight fitting part includes a circular end plate 611, the circular end plate 611 is fixedly installed on the outer surface of the connecting rod 61, the outer ring surface of the circular end plate 611 is fixedly sleeved with a rubber ring 6111, and the outer surface of the rubber ring 6111 is movably abutted against the inner wall of the particle concentration hole 410; the two sets of circular A scraper is provided between the inner sides of the shaped end plates 611. The scraper includes a connecting sleeve 612 and an elastic hook plate 6121. The connecting sleeve 612 is fixedly mounted on the outer surface of the connecting rod 61. Three groups of elastic hook plates 6121 are provided and arranged in a circular array about the central axis of the connecting rod 61. The elastic hook plates 6121 are fixedly mounted on the outer surface of the connecting sleeve 612. The outer surface of the elastic hook plates 6121 is movably connected to the inner wall of the particle concentration hole 410. A retention member is provided on the inner side of the elastic hook plate 6121. The retention member includes a particle retention groove 6122. The particle retention groove 6122 is composed of multiple groups of horizontally connected triangular plates. The particle retention groove 6122 is fixedly mounted on the inner side of the elastic hook plate 6121.

[0046] In this embodiment, referring to Figure 4 and Figures 9-11As shown, when the transmission shaft 41 is driven by the meshing of the driving gear 3 and the transmission gear 4, high-speed rotation occurs, and the collected part of the lubricating oil and metal particles enters the inside of the receiving groove plate 401, and the particle cleaning assembly in the inside of the receiving groove plate 401 remains stationary, but at this time the transmission shaft 41 rotates, the inner wall of the receiving groove plate 401 is in constant contact with the scraping member, and the metal particles are scraped by the elastic hook-shaped plate 6121; it is worth noting that the inner side of the elastic hook-shaped plate 6121 is provided with a retention member, and here the particle retention groove 6122 is composed of multiple groups of horizontally connected triangular plates, which increases the wall retention of the metal particles; and it needs to be explained that the two ends of the connecting rod 61 are respectively provided with a circular end plate 611, and the outer ring of the circular end plate 611 is provided with a rubber ring 6111, which is tightly attached to the inner wall of the particle concentrating hole 410, which can ensure that when the sealing column 6 drives the connecting rod 61 to extract the particle concentrating hole 410, the metal particles are extracted at the same time, and the lubricating oil on the inner wall of the particle concentrating hole 410 is scraped off, realizing the self-cleaning of the particle concentrating hole 410.

[0047] In this embodiment, the sealing shell 11 is provided with a sealing ring on the inner side of the annular surface, the inner surface of the sealing ring is in abutment with the outer surface of the sealing column 6, and the fast disassembly assembly is arranged between the sealing shell 11 and the sealing column 6. Figures 1-19 In this embodiment, the sealing shell 11 is provided with a sealing ring on the inner side of the annular surface, the inner surface of the sealing ring is in abutment with the outer surface of the sealing column 6, and the fast disassembly assembly is arranged between the sealing shell 11 and the sealing column 6.

[0048] In this embodiment, the sealing shell 11 is provided with a sealing ring on the inner side of the annular surface, the inner surface of the sealing ring is in abutment with the outer surface of the sealing column 6, and the fast disassembly assembly is arranged between the sealing shell 11 and the sealing column 6. Figures 15-19As shown, when the whole particle cleaning assembly is installed, the sleeve ring plate 73 is installed outside the blocking column 6 and clamps the end of the blocking column 6 away from the umbrella-shaped tooth 5 to the particle concentrating hole 410, and the sealing ring installed in the inner ring of the sealing shell 11 can increase the sealing performance of the particle concentrating hole 410 and the tightness of the blocking column 6 during installation, then the sleeve ring plate 73 and the blocking column 6 are screwed as a whole, and the trapezoidal block two 731 tends to be horizontal, at this time, the inclined surface on the outer side of the trapezoidal block two 731 pushes the locking rod 74, and due to the round corner of the locking rod 74, the locking rod 74 is pushed outwards, and the inclined surface on the outer side of the trapezoidal block two 731 is matched with the inclined surface on the inner side of the trapezoidal block one 72, after the trapezoidal block two 731 is rotated to a certain angle, the locking rod 74 is precisely inserted into the inner side of the locking groove 7310, at the same time, the abutting spring 7412 and the sleeve spring 7413 cooperate with each other and rely on the reverse elastic force to reset and tightly press the locking rod 74, so that the sleeve ring plate 73 and the particle cleaning assembly are self-locked, if the particle cleaning assembly needs to be disassembled, only the locking rod 74 needs to be pulled outwards to release the restriction on the trapezoidal block two 731, and then the sleeve ring plate 73 is rotated and the blocking column 6 is pulled outwards.

[0049] In the embodiment five, the application further provides a use method of the speed reducer for the shaft sinking winch. Figures 1-19 In the embodiment five, the application further provides a use method of the speed reducer for the shaft sinking winch.

[0050] Step one, first, the high-speed transmission function of the speed reducer is realized through the high-speed transmission assembly, and the speed reducer stores the supplementary lubricating oil through the annular oil hole 4100;

[0051] Step two, storage and supply of lubricating oil: the lubricating oil overflows through the oil outlet hole one 4102 and the oil outlet hole two 4103, is transmitted through the flow-through hole two 40 and the flow-through hole three 50, realizes self-lubrication of the transmission gear 4 and the umbrella-shaped tooth 5, and assists in lubricating the adjacent gear parts;

[0052] Step three, accumulation and cleaning of metal particles: the particle concentrating hole 410 is designed to meet the accumulation of metal particles generated under high-speed engagement between the driving gear 3 and the transmission gear 4, and the particle cleaning assembly is used to realize efficient cleaning of the concentrated impurities;

[0053] Step four, auxiliary lubrication: the auxiliary lubrication assembly is arranged between the tooth grooves of the driving gear 3 and the transmission gear 4, when the driving gear 3 and the transmission gear 4 are driven to transmit, they are engaged with each other, at this time, the absorbent cotton 4032 absorbs the lubricating oil squeezed out of the flow-through hole one 30 and the flow-through hole two 40, expands, and realizes precise lubrication between the gears;

[0054] Step five, quick assembly and quick disassembly of the particle cleaning assembly: install the sleeve ring plate 73 outside the blocking column 6, and clamp the blocking column 6 to the end away from the umbrella-shaped teeth 5 through the particle concentrating hole 410, screw the sleeve ring plate 73 and the blocking column 6 as a whole, make the trapezoidal block two 731 tend to be horizontal, push the locking rod 74 to extend outward until the trapezoidal block two 731 rotates to a certain angle, and then the locking rod 74 is precisely inserted into the inside of the locking groove 7310, and the abutting spring 7412 and the sleeved spring wire 7413 cooperate with each other, rely on the reverse elastic force to reset and tightly press the locking rod 74, realize the self-locking of the sleeve ring plate 73 and the particle cleaning assembly; on the contrary, pull the locking rod 74 outward to release the restriction on the trapezoidal block two 731, rotate the sleeve ring plate 73, and then pull out the blocking column 6 outward to complete the disassembly of the particle cleaning assembly.

[0055] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A reducer for a well drilling winch, comprising a well drilling winch reducer body (1), wherein a high-speed shaft chamber (10) and a low-speed shaft chamber (100) are provided inside the well drilling winch reducer body (1), and a low-speed shaft (2) is rotatably connected to the front inner wall of the low-speed shaft chamber (100), characterized in that: A high-speed transmission assembly is provided in the high-speed shaft chamber (10), and the high-speed transmission assembly includes a high-speed shaft (31), a driving gear (3), a transmission shaft (41), a transmission gear (4) and an umbrella-shaped gear (5). The high-speed shaft (31) and the transmission shaft (41) are rotatably mounted on the well-drilling winch reducer body (1). The driving gear (3) is provided on the outside of the high-speed shaft (31), and the transmission gear (4) is provided on the outside of the transmission shaft (41). The outer surface of the driving gear (3) is adapted to mesh with the outer surface of the transmission gear (4). One end of the transmission shaft (41) The drive shaft (41) extends into the inner cavity of the low-speed shaft chamber (100), the umbrella-shaped teeth (5) are fixedly mounted on the outer surface of the transmission shaft (41), a sealing shell (11) is provided at one end of the transmission shaft (41) away from the umbrella-shaped teeth (5), the inner surface of the sealing shell (11) is rotatably connected to the outer surface of the transmission shaft (41), the sealing shell (11) is fixedly mounted on the outer side of the well-drilling winch reducer body (1), a particle concentration hole (410) and an annular oil hole (4100) are opened on the inner wall of the transmission shaft (41), and a particle cleaning component is provided inside the particle concentration hole (410); Mounting grooves (400) are respectively provided on the inner walls of both sides of the transmission gear (4), and a receiving groove plate (401) is fixedly installed on the inner surface of the mounting groove (400), and the outer side height of the receiving groove plate (401) is lower than the outer peripheral surface of the mounting groove (400). The two ends of the receiving groove plate (401) are respectively provided with a flared opening and a narrow opening, and the flared opening of the receiving groove plate (401) faces the outer peripheral surface of the transmission gear (4), and the narrow opening of the receiving groove plate (401) extends to the inner surface of the particle concentration hole (410).

2. A reducer for a well sinking winch according to claim 1, characterized in that: The outer surface of the high-speed shaft (31) is fixedly mounted with a spline 1 (311), the driving gear (3) is fixedly connected to the high-speed shaft (31) via the spline 1 (311), the inner walls of both sides of the driving gear (3) are provided with mounting ring plates 1 (32), the mounting ring plates 1 (32) are sleeved and mounted on the outside of the high-speed shaft (31), the inner wall of the driving gear (3) is provided with a flow hole 1 (30), the outer surface of the transmission shaft (41) is fixedly mounted with a spline 2 (411), the transmission gear (4) is fixedly connected to the transmission shaft (41) via the spline 2 (411), the transmission The outer surfaces of both sides of the gear (4) are fixedly connected with mounting ring plates 2 (42), the structure of the mounting ring plate 2 (42) is the same as that of the mounting ring plate 1 (32), and the mounting ring plate 2 (42) is fixedly connected to the outer surface of the transmission shaft (41) through bolts, and the inner wall of the transmission gear (4) is provided with a flow hole 2 (40), and a fixing ring plate 3 (51) is fixedly installed on the inner wall of one side of the umbrella-shaped tooth (5), and the umbrella-shaped tooth (5) is fixedly connected to one end of the transmission shaft (41) through the fixing ring plate 3 (51), and the inner wall of the umbrella-shaped tooth (5) is evenly provided with flow holes 3 (50).

3. A reducer for a well sinking winch according to claim 2, characterized in that: The annular oil hole (4100) is coaxially distributed with the particle concentration hole (410), and a spiral groove (4101) is provided on the inner ring surface of the annular oil hole (4100), and the spiral groove (4101) is arranged horizontally and equidistantly with respect to the central axis of the transmission shaft (41). The inner wall of the outer ring of the annular oil hole (4100) is respectively provided with an oil outlet hole 1 (4102) and an oil outlet hole 2 (4103), and the number of the oil outlet hole 1 (4102) and the circulation hole 2 (40) are the same and are adapted to each other, and the number of the oil outlet hole 2 (4103) and the circulation hole 3 (50) are the same and are adapted to each other one by one.

4. The reducer for a well sinking winch according to claim 1, characterized in that: The particle cleaning assembly includes a blocking column (6), which is arranged at one end of the particle concentration hole (410), and the outer surface of the blocking column (6) is movably connected to the inner surface of the particle concentration hole (410), and a connecting rod (61) is rotatably installed at the center of the blocking column (6), and both ends of the connecting rod (61) are provided with tightly fitting parts.

5. The reducer for a well sinking winch according to claim 4, characterized in that: The tightly fitting member comprises a circular end plate (611), the circular end plate (611) being fixedly mounted on the outer surface of the connecting rod (61), a rubber ring (6111) being fixedly sleeved on the outer ring surface of the circular end plate (611), and the outer surface of the rubber ring (6111) being movably in contact with the inner wall of the particle concentration hole (410).

6. A reducer for a well sinking winch according to claim 5, characterized in that: A scraper is provided between the inner sides of the two groups of circular end plates (611), and the scraper includes a connecting sleeve (612) and an elastic hook plate (6121). The connecting sleeve (612) is fixedly mounted on the outer surface of the connecting rod (61). The elastic hook plates (6121) are provided in three groups and are arranged in a circular array about the central axis of the connecting rod (61). The elastic hook plates (6121) are fixedly mounted on the outer surface of the connecting sleeve (612), and the outer surface of the elastic hook plates (6121) is movably connected to the inner wall of the particle concentration hole (410).

7. The reducer for a well sinking winch according to claim 1, characterized in that: A sealing ring is fixedly mounted on the inner annular surface of the sealing shell (11), and the inner surface of the sealing ring abuts against the outer surface of the blocking column (6). A quick-release assembly is provided between the sealing shell (11) and the blocking column (6), and the quick-release assembly comprises a fixed ring plate (7) and a sleeve ring plate (73). The sleeve ring plate (73) is fixedly mounted on the outer surface of the blocking column (6), and the fixed ring plate (7) is fixedly mounted on the outer surface of the sealing shell (11). Trapezoidal blocks 2 (731) are fixedly connected on both sides of the sleeve ring plate (73), and a locking groove (7310) is provided on the inner wall of the trapezoidal block 2 (731).

8. The reducer for a well sinking winch according to claim 7, characterized in that: The inner annular surface of the fixed ring plate (7) is fixedly connected to a lining plate (71), the fixed ring plate (7) and the lining plate (71) are an integrally formed structure, a locking rod (74) is slidably connected to the inner wall of the lining plate (71), an inner end of the locking rod (74) is set as a rounded corner, and an end of the locking rod (74) away from the rounded corner is fixedly connected to a connecting arm (741), and the outer surface of the locking rod (74) is adapted to the inner surface of the locking groove (7310).

9. The reducer for a well sinking winch according to claim 8, characterized in that: Guide posts (7411) are movably connected to the inner walls of both ends of the connecting arm (741), and the guide posts (7411) are fixedly mounted on the outer surface of the lining plate (71). The outer surface of the lining plate (71) is fixedly connected to an abutting spring (7412), and the other end of the abutting spring (7412) is fixedly connected to the inner surface of the connecting arm (741). The abutting spring (7412) is movably sleeved on the outside of the guide posts (7411), and the inner surface of the lining plate (71) is fixedly connected to a sleeve elastic wire (7413), and the other end of the sleeve elastic wire (7413) is fixedly connected to the outer surface of the trapezoidal block (72), and the sleeve elastic wire (7413) is movably sleeved on the outside of the locking rod (74).

Images