Speed reducer transparent cover, mining speed reducer and mining conveyor

Abstract

The utility model provides a speed reducer transparent cover, a mining speed reducer and a mining conveyor, and belongs to the technical field of mining mechanical equipment. Comprising a transition connecting sleeve and an O-shaped sealing ring, a water inlet and a water outlet are formed in the end face of the reducer transparent cover, a first counter bore is formed in the end face of the water inlet, and a second counter bore is formed in the end face of the water outlet; wherein the transition connecting sleeve comprises a first transition connecting sleeve and a second transition connecting sleeve, and the O-shaped sealing ring comprises a first O-shaped sealing ring and a second O-shaped sealing ring; the first transition connecting sleeve is matched with the first counter bore to form a first O-shaped ring groove, and the first O-shaped sealing ring is arranged in the first O-shaped ring groove so as to seal the water inlet of the transparent cover of the speed reducer; the second transition connecting sleeve is matched with the second counter bore to form a second O-shaped ring groove, and the second O-shaped sealing ring is arranged in the second O-shaped ring groove so as to seal the water outlet of the transparent cover of the speed reducer.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining mechanical equipment technical field, concretely relates to a speed reducer transparent cover, mining speed reducer and mining conveyer. BACKGROUND

[0002] The mining speed reducer is a power transmission mechanism, and its working condition is relatively poor, and under normal circumstances, the input shaft (i.e. high speed shaft) of the speed reducer is the fastest in temperature rise and the highest in temperature during normal operation, and the excessively high temperature can affect the bearing life and even the service life of the whole speed reducer. Therefore, the cooling of the speed reducer is one of the key factors to ensure its normal operation and prolong the service life. In addition to arranging the cooling pipe in the oil pool, some water jackets are usually arranged in the structural design of the box body, the connecting plate and the like to cool the bearings at the corresponding positions. In order to make the cooling water channels of each part (the box body, the connecting plate, the transparent cover and the like) of the speed reducer interconnected to form a long-distance water channel system with only "one inlet and one outlet", the sealing between the water channel connection surfaces exists.

[0003] The existing processing mode is generally as shown in Figure 1 The O-shaped ring groove is processed in the inlet and outlet water ports of the speed reducer transparent cover, and the O-shaped sealing ring is placed in the O-shaped ring groove to realize the sealing of the inlet and outlet water ports of the speed reducer transparent cover. However, due to the limited space of the inlet and outlet water ports of the speed reducer transparent cover, the O-shaped ring groove 220 is relatively narrow, and the diameter of the end mill 230 must be less than or equal to the size of the O-shaped ring groove 220 during milling processing, but the interference (such as the interference part 240 shown in Figure 1 ) between the clamping jaw of the main shaft 210 of the machine tool and the transparent cover caused by the insufficient length-diameter ratio of the end mill affects the sealing performance of the speed reducer transparent cover. SUMMARY

[0004] Therefore, the utility model provides a speed reducer transparent cover, mining speed reducer and mining conveyer to solve the technical problem that the existing O-shaped ring groove processing exists interference and affects the sealing performance of the speed reducer transparent cover.

[0005] The technical scheme adopted by the utility model to solve its technical problem is:

[0006] A kind of retarder transparent cover, including transition connecting sleeve, O-shaped sealing ring;The end face of the retarder transparent cover is provided with water inlet and water outlet, the end face of the water inlet is provided with first counterbore, the end face of the water outlet is provided with second counterbore;Wherein, the transition connecting sleeve includes first transition connecting sleeve and second transition connecting sleeve, the O-shaped sealing ring includes first O-shaped sealing ring and second O-shaped sealing ring;The first transition connecting sleeve is matched with the first counterbore to form first O-shaped ring groove, and the first O-shaped sealing ring is arranged in first O-shaped ring groove to realize the sealing of retarder transparent cover water inlet;The second transition connecting sleeve is matched with the second counterbore to form second O-shaped ring groove, and the second O-shaped sealing ring is arranged in second O-shaped ring groove to realize the sealing of retarder transparent cover water outlet.

[0007] Preferably, the water inlet is communicated with the side water inlet on the outer circle of the retarder transparent cover, and the water outlet is communicated with the side water outlet on the outer circle of the retarder transparent cover.

[0008] Preferably, the back of the retarder transparent cover is provided with a water jacket, one end of the water jacket is communicated with the side water inlet on the outer circle of the transparent cover, and the other end of the water jacket is communicated with the side water outlet on the outer circle of the transparent cover, so as to cool the retarder transparent cover through the water jacket.

[0009] Preferably, the transition connecting sleeve includes an outer circular portion and a straight cylindrical portion, the outer circular portion is located at the upper end of the straight cylindrical portion, the inner diameter of the outer circular portion is the same as the inner diameter of the straight cylindrical portion, and the outer diameter of the outer circular portion is larger than the outer diameter of the straight cylindrical portion; the height of the outer circular portion is the same as the depth of the counterbore, and the outer diameter of the outer circular portion is smaller than the diameter of the counterbore.

[0010] Preferably, the outer diameter of the outer circular portion is 24-26mm, the height of the outer circular portion is 1.5-2mm, the inner diameter of the outer circular portion is 15-17mm, the outer diameter of the straight cylindrical portion is 19-21mm, and the height of the transition connecting sleeve is 11-13mm.

[0011] Preferably, the transparent cover is installed at the shaft position of the mine retarder, further comprising an assembled end cover and a threaded plug; the assembled end cover is assembled with the bottom of the transparent cover to close the water jacket at the bottom of the transparent cover, and the threaded plug is used to plug the water inlet and the water outlet on the outer circle of the retarder transparent cover, so as to form a closed loop with the cooling water circuit of the box body of the mine retarder, and realize the cooling effect of the mine retarder.

[0012] The utility model also provides a mine retarder, including retarder transparent cover as described above, retarder transparent cover is installed in the shaft position of the mine retarder.

[0013] The utility model also provides a mine conveyor, including the mine retarder as described above.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a transition connecting sleeve and the water inlet and outlet of the transparent cover cooperate to form an O-shaped ring groove, solve the formation of the O-shaped ring groove between the water jacket waterway connecting transparent cover and the end surface of the box, complete the perfect installation of the O-shaped sealing ring, and the end surface sealing is solved, so that the waterway of each part of the speed reducer is smoothly connected, and good and effective cooling effect is played, the temperature rise of the input shaft can be controlled, the bearing life is prolonged, and even the life of the whole speed reducer is prolonged. And the speed reducer transparent cover of the utility model avoids the problem of O-shaped ring groove machining interference, and does not need to use numerical control milling machine high-precision precision machining, and ordinary drilling machine can complete drilling and counterbore process at one time. The processing technology and production process are greatly simplified, and the requirement for machining tools is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the O-shaped ring groove processing schematic diagram of prior art.

[0017] Figure 2 It is the three-dimensional structure schematic diagram of the speed reducer transparent cover of the utility model.

[0018] Figure 3 It is the front view of the speed reducer transparent cover structure of the utility model.

[0019] Figure 4 It is Figure 3 The sectional view along A-A direction.

[0020] Figure 5 It is the right view of the speed reducer transparent cover structure of the utility model.

[0021] Figure 6 It is Figure 5 The sectional view along B-B direction.

[0022] Figure 7 It is the water jacket structure schematic diagram of the speed reducer transparent cover of the utility model.

[0023] Figure 8 It is the structure schematic diagram of the transition connecting sleeve of the utility model.

[0024] In the drawing: speed reducer transparent cover 100, transition connecting sleeve 110, first transition connecting sleeve 111, second transition connecting sleeve 112, outer circle part 113, straight cylinder part 114, first O-shaped sealing ring 121, second O-shaped sealing ring 122, water inlet 130, water outlet 140, side water inlet 150, side water outlet 160, water jacket 170, machine tool main shaft 210, O-shaped ring groove 220, end mill 230, interference position 240. DETAILED DESCRIPTION

[0025] The technical scheme and technical effects of the embodiment of the utility model are further described in detail below with reference to the drawings of the utility model.

[0026] Please also refer to Figures 2 to 6 A reducer transparent cover 100, including transition connecting sleeve 110, O-shaped sealing ring, the end surface of reducer transparent cover 100 is provided with water inlet 130 and water outlet 140, the end surface of water inlet 130 is provided with first counterbore, the end surface of water outlet 140 is provided with second counterbore, wherein, transition connecting sleeve 110 includes first transition connecting sleeve 111 and second transition connecting sleeve 112, O-shaped sealing ring includes first O-shaped sealing ring 121 and second O-shaped sealing ring 122, first transition connecting sleeve 111 is matched with first counterbore to form first O-shaped ring groove, first O-shaped sealing ring 121 is arranged in first O-shaped ring groove to realize the sealing of reducer transparent cover water inlet, second transition connecting sleeve 112 is matched with second counterbore to form second O-shaped ring groove, and second O-shaped sealing ring 122 is arranged in second O-shaped ring groove to realize the sealing of reducer transparent cover water outlet.

[0027] When the reducer transparent cover of the utility model is assembled, first transition connecting sleeve 111 is assembled in the first counterbore of water inlet 130, since first transition connecting sleeve 111 is hollow sleeve, water channel is formed in the center, the end surface of first transition connecting sleeve 111 forms first O-shaped ring groove with first counterbore, and first O-shaped sealing ring 121 is assembled in first O-shaped ring groove, thereby realizing the sealing of reducer transparent cover water inlet, and second transition connecting sleeve 112 is assembled in the second counterbore of water outlet 140, forms second O-shaped ring groove with second counterbore, and second O-shaped sealing ring 122 is assembled in second O-shaped ring groove, thereby realizing the sealing of reducer transparent cover water outlet.

[0028] Therefore, the reducer transparent cover of the utility model forms O-shaped ring groove through the cooperation of transition connecting sleeve and transparent cover water inlet and outlet, solves the formation of "O-shaped ring groove" at the end surface between water jacket water channel, transparent cover and box body, completes the perfect installation of O-shaped sealing ring, and the end surface sealing is solved, so that the water channels of each part of the reducer are smoothly connected, good and effective cooling effect is achieved, the temperature rise of input shaft can be controlled, the bearing life is prolonged, and even the service life of the whole reducer is prolonged. And the reducer transparent cover of the utility model avoids the machining interference problem of O-shaped ring groove, and ordinary drilling machine can complete the drilling and counterbore process at one time without high-precision precision machining of numerical control milling machine. The processing technology and production process are greatly simplified, and the requirement for machining tools is reduced.

[0029] Further, please refer to Figure 7The water inlet 130 is communicated with the side water inlet 150 on the outer circle of the speed reducer cover, and the water outlet 140 is communicated with the side water outlet 160 on the outer circle of the speed reducer cover. Through the communication of the water inlet 130 and the side water inlet 150 and the communication of the water outlet 140 and the side water outlet 160, the external cooling water can flow to the water inlet 130 through the side water inlet 150, and the cooling water in the cooling water channel of each part of the speed reducer can be discharged to the side water outlet 160 through the water outlet 140, so that the circulation of the cooling water is realized, and the cooling effect of the cooling water channel of each part of the speed reducer is improved.

[0030] Further, referring to Figure 7 The back of the speed reducer cover 100 is provided with a water jacket 170, one end of the water jacket 170 is communicated with the side water inlet 150 on the outer circle of the cover, and the other end of the water jacket 170 is communicated with the side water outlet 160 on the outer circle of the cover, so that the speed reducer cover is cooled through the water jacket. The cooling water can flow through the water jacket from the side water inlet and then flow out from the side water outlet, so that the cooling of the speed reducer cover is realized. At the same time, combined with the transition connecting sleeve and the O-shaped sealing ring of the utility model, the cavity of the cover water jacket and other cooling systems of the speed reducer can be communicated to form a circulating water channel, so as to help reduce the heat generated by the speed reducer during work, improve the thermal efficiency and stability of the speed reducer, and prolong the service life of the speed reducer.

[0031] Further, referring to Figure 8 The transition connecting sleeve 110 includes an outer circular portion 113 and a straight cylindrical portion 114, the outer circular portion 113 is located at the upper end of the straight cylindrical portion 114, the inner diameter of the outer circular portion 113 is the same as the inner diameter of the straight cylindrical portion 114, and the outer diameter of the outer circular portion 113 is greater than the outer diameter of the straight cylindrical portion 114; the height of the outer circular portion 113 is the same as the depth of the counterbore, and the outer diameter of the outer circular portion 113 is smaller than the diameter of the counterbore. Specifically, the height of the outer circular portion of the first transition connecting sleeve 111 is the same as the depth of the first counterbore, so that when the first transition connecting sleeve is assembled on the water inlet 130, the end face of the first transition connecting sleeve is flush with the end face of the speed reducer cover; at the same time, the outer diameter of the outer circular portion of the first transition connecting sleeve is smaller than the diameter of the first counterbore, so that when the first transition connecting sleeve is assembled on the water inlet 130, there is a spacing between the outer circular edge of the first transition connecting sleeve and the edge of the first counterbore, that is, an O-shaped ring groove is formed, which is used for placing the first O-shaped sealing ring 121 to realize the sealing of the water inlet of the speed reducer cover. The structure of the second transition connecting sleeve 112 is the same as that of the first transition connecting sleeve 111, and the height of the outer circular portion of the second transition connecting sleeve 112 is the same as the depth of the second counterbore, and the outer diameter of the outer circular portion of the second transition connecting sleeve 112 is smaller than the diameter of the second counterbore.

[0032] Further, the outer diameter of the outer circle part 113 is 24-26mm, the height of the outer circle part 113 is 1.5-2mm, the inner diameter of the outer circle part 133 is 15-17mm, the outer diameter of the straight cylinder part 114 is 19-21mm, and the height of the transition connecting sleeve 11 is 11-13mm.

[0033] Further, the speed reducer transparent cover further comprises an assembled end cover and a threaded plug; the assembled end cover is assembled with the bottom of the speed reducer transparent cover to close the water jacket at the bottom of the transparent cover, and the threaded plug is used to plug the side water inlet and the side water outlet on the outer circle of the speed reducer transparent cover, so that the transparent cover and the cooling water circuit of the box body of the mine speed reducer form a closed loop, and the cooling effect of the mine speed reducer is realized.

[0034] The utility model also provides a mine speed reducer, including the speed reducer transparent cover as described above, the speed reducer transparent cover installs in one axle position of mine speed reducer.

[0035] The utility model also provides a mine conveyor, including the mine speed reducer as described above.

[0036] The above disclosed is only the preferred embodiment of the utility model, and of course cannot limit the right range of the utility model, and the ordinary skill in the art can understand that all or part of the processes of the above-mentioned embodiment are realized, and the equivalent change made according to the utility model right claim still belongs to the range covered by the utility model.

Claims

1. A speed reducer cover, characterized by, The transition connecting sleeve and the O-shaped sealing ring are included; the end surface of the speed reducer transparent cover is provided with a water inlet and a water outlet, the end surface of the water inlet is provided with a first counterbore, and the end surface of the water outlet is provided with a second counterbore; wherein the transition connecting sleeve includes a first transition connecting sleeve and a second transition connecting sleeve, and the O-shaped sealing ring includes a first O-shaped sealing ring and a second O-shaped sealing ring; the first transition connecting sleeve cooperates with the first counterbore to form a first O-shaped ring groove, and the first O-shaped sealing ring is arranged in the first O-shaped ring groove to realize the sealing of the water inlet of the speed reducer transparent cover; the second transition connecting sleeve cooperates with the second counterbore to form a second O-shaped ring groove, and the second O-shaped sealing ring is arranged in the second O-shaped ring groove to realize the sealing of the water outlet of the speed reducer transparent cover.

2. The decelerator transparency cover of claim 1, wherein, The water inlet is communicated with the side water inlet on the outer circle of the speed reducer transparent cover, and the water outlet is communicated with the side water outlet on the outer circle of the speed reducer transparent cover.

3. The decelerator transparency cover of claim 2, wherein, The back surface of the speed reducer transparent cover is provided with a water jacket, one end of the water jacket is communicated with the side water inlet on the outer circle of the transparent cover, and the other end of the water jacket is communicated with the side water outlet on the outer circle of the transparent cover, so as to cool the speed reducer transparent cover through the water jacket.

4. The decelerator transparency cover of claim 3, wherein, The transition connecting sleeve includes an outer circle part and a straight cylinder part, the outer circle part is located at the upper end of the straight cylinder part, the inner circle diameter of the outer circle part is the same as the inner circle diameter of the straight cylinder part, the outer circle diameter of the outer circle part is larger than the outer circle diameter of the straight cylinder part; the height of the outer circle part is the same as the depth of the counterbore, and the outer circle diameter of the outer circle part is smaller than the diameter of the counterbore.

5. The retarder transparency cover of claim 4, wherein, The outer circle diameter of the outer circle part is 24-26mm, the height of the outer circle part is 1.5-2mm, the inner circle diameter of the outer circle part is 15-17mm, the outer circle diameter of the straight cylinder part is 19-21mm, and the height of the transition connecting sleeve is 11-13mm.

6. The decelerator transparency cover of claim 5, wherein, The assembly end cover and the threaded plug are further included; the assembly end cover is assembled with the bottom of the transparent cover to close the water jacket at the bottom of the transparent cover, and the threaded plug is used to plug the water inlet and the water outlet on the outer circle of the speed reducer transparent cover, so that the transparent cover and the cooling water circuit of the box body of the mine speed reducer form a closed loop, and the cooling effect of the mine speed reducer is realized.

7. A mine reduction gear characterized by, The mine speed reducer includes the speed reducer transparent cover according to any one of claims 1-6, and the speed reducer transparent cover is installed at a shaft position of the mine speed reducer.

8. A mine conveyor characterized in that, The mine speed reducer includes the mine speed reducer according to claim 7.

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