A sealed gear box apparatus with adjustable position angle of a spray head

Abstract

The technical scheme of the present application is: a sealed gear box equipment with adjustable position angle of spray head is composed of a transmission assembly, a fixed box assembly and an oil tank assembly. By rotating the handle, the slide table assembly is driven to move in the Z-axis direction, thereby realizing the lifting function of the oil nozzle along the Z-axis direction. The second motor provides power to drive the first synchronous pulley to rotate. The turntable assembly and the slide table assembly are fixed by the eleventh bolt to realize the movement of the oil nozzle along the X-axis direction. The first motor provides power to the optical axis to drive the oil nozzle to rotate in the Y-axis direction, thereby realizing the angle adjustment function of the oil nozzle. The upper fixed box and the lower fixed box are fixed by the fifteenth bolt to realize the sealing function, thereby avoiding the loss caused by oil splashing and reducing the noise of the fixed box assembly by sealing. The electric oil pump draws oil from the oil tank. The drawn oil is transmitted to the oil nozzle through the low-pressure soft oil pipe, thereby realizing the oil supply function. The present application has the advantages of simple structure, high reliability, stable and efficient work.

Description

TECHNICAL FIELD

[0001] The present application relates to a sealed gear box device with adjustable position angle of the spray head, mainly aiming at the adjustment of the position and angle of the spray head in the process of oil injection lubrication of the gear body and the sealing of the gear box, and belongs to the technical field of gear transmission system. BACKGROUND

[0002] With the rapid development of industry and the improvement of national life, the gear box structure has become one of the most important transmission tools for people, which has the advantages of compact structure, reliable work and long service life, and is an important part of the mechanical transmission chain, and plays an indispensable role in the process of industrial development. At the same time, people have put forward higher requirements for the reliability and practicability of the overall structure of the gear box. However, there are some problems in the use of the gear box by workers at present. Since the gear box structure needs to be fixed by workers by tightening the screws on the fixing seat in sequence, the installation and replacement of the fixed box and gear shaft are time-consuming and laborious. The traditional gear oil injection lubrication adopts an open gear box structure, the spray head is installed above the gear body and on the support cabinet, and the oil injection process is realized at a certain distance above the gear. Because the gear box structure is open and the gear is in high-speed rotation, noise will be generated inside the gear box during use. The noise will convert sound energy into kinetic energy, causing resonance of the gear and gear shaft, resulting in poor test precision of the gear and harm to health. In view of this, a sealed gear box device with adjustable position angle of the spray head is urgently needed in the industry, which can greatly shorten the installation and replacement cycle of the gear shaft in the gear box and reduce noise and lubricating oil loss caused by splashing of lubricating oil. SUMMARY

[0003] The present application relates to a sealed gear box device with adjustable position angle of the spray head, mainly aiming at the adjustment of the position and angle of the spray head in the process of oil injection lubrication of the gear body and the sealing of the gear box, and belongs to the technical field of gear transmission system.

[0004] The technical scheme of the present application is: a sealed gear box equipment with adjustable position angle of spray head is composed of a transmission assembly, a fixed box assembly and an oil tank assembly, wherein the transmission assembly is fixedly connected with the fixed box assembly through the second bolt, when working, the lifting assembly in the transmission assembly drives the first connecting block to move in the Z-axis direction by rotating the crank handle, the first connecting plate is fixedly connected with the second connecting plate through the first inner hexagonal bolt, the first connecting block is fixedly connected with the fifth connecting plate in the sliding table assembly through the seventh bolt, so that the sliding table assembly moves in the Z-axis direction to realize the lifting movement function of the oil nozzle along the Z-axis direction, when working, the power cord is connected with the socket to provide power for the electric oil pump, the electric oil pump draws oil from the oil tank through the oil extraction pipe, the extracted oil is transmitted to the oil nozzle through the low-pressure soft oil pipe to realize the oil supply function of the oil nozzle, the second motor in the sliding table assembly provides power to drive the first synchronous pulley to rotate, and then drives the synchronous belt to rotate, the second synchronous pulley acts as a driven wheel to realize the rotating movement function through the synchronous belt, the second connecting block is fixedly connected with the eighth connecting plate through the tenth bolt, and the synchronous belt rotates to drive the second connecting block to realize the reciprocating movement function in the X-axis direction, the turntable assembly is fixedly connected with the sliding table assembly through the eleventh bolt, the first vertical plate in the turntable assembly is fixedly connected with the ninth connecting plate in the sliding table assembly through the eleventh bolt to realize the reciprocating movement function of the oil nozzle in the turntable assembly along the X-axis direction, the first motor provides power to the optical axis to drive the ring to rotate, the ring is connected with the oil nozzle in interference fit, drives the oil nozzle to rotate in the Y-axis direction to realize the angle adjustment function of the oil nozzle, the second acrylic plate and the third acrylic plate in the fixed box assembly are transparent and can clearly see the working state of the oil nozzle, the upper fixed box and the lower fixed box are fixed through the fifteenth bolt in the fixed seat to realize the sealing function of the fixed box assembly, avoid the loss of lubricating oil caused by oil splashing, and realize the noise reduction function of the fixed box assembly in a sealed manner, the electric oil pump draws oil from the oil tank, and the extracted oil is transmitted to the oil nozzle through the low-pressure soft oil pipe to realize the oil supply function, the present application has the advantages of simple structure, high reliability, energy saving and environmental protection, stable and efficient work. BRIEF DESCRIPTION OF DRAWINGS

[0005] Figure 1 It is a sealed gear box equipment with adjustable position angle of spray head.

[0006] Figure 2 It is Figure 1 The structure diagram of the transmission assembly in the sealed gear box equipment.

[0007] Figure 3 It is Figure 2 The structure diagram of the lifting assembly in the sealed gear box equipment.

[0008] Figure 4 It is Figure 2 The cross-sectional view of the lifting assembly in the sealed gear box equipment.

[0009] Figure 5 is Figure 2 Structure diagram of the fixed box assembly.

[0010] Figure 6 is Figure 2 Structure diagram of the fixed box assembly.

[0011] Figure 7 is Figure 1 Structure diagram of the fixed box assembly.

[0012] Figure 8 is Figure 7 Key structure diagram in the fixed box assembly.

[0013] Figure 9 is Figure 1 Structure diagram of the oil tank assembly. DETAILED DESCRIPTION

[0014] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9The application relates to a sealed gear box equipment with adjustable position angle of a spray head, which is composed of a transmission assembly 1, a fixed box assembly 2 and an oil tank assembly 3, wherein the transmission assembly 1 is fixedly connected with the fixed box assembly 2 through a second bolt 1106; during work, a lifting assembly 11 in the transmission assembly 1 drives a first connecting block 1102 to realize Z-axis direction movement by rotating a crank 1101; a first connecting plate 1103 is fixedly connected with a second connecting plate 1107 through a first inner hexagonal bolt 1109; the first connecting block 1102 is fixedly connected with a fifth connecting plate 1303 in a sliding table assembly 13 through a seventh bolt 1305, so that the sliding table assembly 13 realizes Z-axis direction movement, thereby realizing lifting movement of an oil nozzle 1217 along the Z-axis direction; an electric oil pump 303 in the oil tank assembly 3 draws oil from an oil tank 305 through an oil drawing pipe 307; the drawn oil is transmitted to the oil nozzle 1217 through a low-pressure soft oil pipe 301, and oil supply is realized; during work, a second motor 1302 in the sliding table assembly 13 provides power, rotates a rotating shaft 1306, rotates a first synchronous pulley 1309, rotates a synchronous belt 1307, rotates a second synchronous pulley 1319 as a passive wheel through the synchronous belt 1307, fixedly connects a second connecting block 1301 with an eighth connecting plate 1323 through a tenth bolt 1322, rotates the synchronous belt 1307, and drives the second connecting block 1301 to realize X-axis direction reciprocating movement; a rotating table assembly 12 is fixedly connected with the sliding table assembly 13 through an eleventh bolt 1327; a first vertical plate 1201 in the rotating table assembly 12 is fixedly connected with a ninth connecting plate 1326 in the sliding table assembly 13 through the eleventh bolt 1327, so that the oil nozzle 1217 in the rotating table assembly 12 realizes X-axis direction reciprocating movement; a first motor 1204 provides power for an optical shaft 1213, rotates a ring hoop 1215, and drives the oil nozzle 1217 to realize Y-axis direction rotation, thereby realizing angle adjustment of the oil nozzle 1217; second and third acrylic plates 201 and 206 in the fixed box assembly 2 are transparent, and the working state of the oil nozzle 1217 can be clearly seen; an upper fixed box 207 is fixedly connected with a lower fixed box 209 through a fifteenth bolt 215 in a fixing seat 213, so that the fixed box assembly 2 is sealed, lubricating oil loss caused by oil splashing is avoided, and the fixed box assembly 2 is noise-reduced in a sealed mode.

[0015] Refer to Figure 2, the transmission assembly 1 is composed of the lifting assembly 11, the rotary table assembly 12 and the sliding table assembly 13, wherein the lifting assembly 11 is fixed with the sliding table assembly 13 through the second bolt 1106, the rotary table assembly 12 is fixedly connected with the sliding table assembly 13 through the eleventh bolt 1327, and in working, the lifting assembly 11 in the transmission assembly 1 drives the first connecting block 1102 to realize Z-axis direction movement by rotating the handle 1101, the first connecting block 1102 is fixedly connected with the fifth connecting plate 1303 in the sliding table assembly 13 through the seventh bolt 1305, drives the sliding table assembly 13 to realize Z-axis direction movement, thereby realizing the lifting movement of the oil nozzle 1217 along the Z-axis direction, the first connecting plate 1103 is fixedly connected with the second connecting plate 1107 through the first inner hexagonal bolt 1109, the first vertical plate 1201 in the rotary table assembly 12 is fixedly connected with the ninth connecting plate 1326 in the sliding table assembly 13 through the eleventh bolt 1327, realizes the reciprocating movement of the oil nozzle 1217 in the rotary table assembly 12 along the X-axis direction, the first motor 1204 provides power for the optical axis 1213 to drive the ring 1215 to rotate, the ring 1215 is connected with the oil nozzle 1217 in an interference fit, drives the oil nozzle 1217 to realize Y-axis direction rotation, thereby realizing the angle adjustment of the oil nozzle 1217.

[0016] Referring to Figure 3 and Figure 4 , the lifting assembly 11 is composed of the handle 1101, the first connecting block 1102, the first connecting plate 1103, the first bolt 1104, the lead screw 1105, the second bolt 1106, the second connecting plate 1107, the shoulder screw 1108 and the first inner hexagonal bolt 1109, wherein the handle 1101 is fixedly connected with the lead screw 1105 through the first bolt 1104, the first connecting plate 1103 is fixedly connected with the second connecting plate 1107 through the first inner hexagonal bolt 1109, the second connecting plate 1107 is fixedly connected with the upper fixed box 207 through the second bolt 1106, the lead screw 1105 is fixedly connected with the first connecting block 1102 through the shoulder screw 1108, the lower end thread of the shoulder screw 1108 is connected with the internal thread hole of the lead screw 1105 through interference fit, and the shoulder of the shoulder screw 1108 is fixedly connected with the end face of the internal hole of the first connecting block 1102 through the pre-tightening force of the thread, in working, the lifting assembly 11 in the transmission assembly 1 drives the first connecting block 1102 to realize Z-axis direction movement by rotating the handle 1101, the first connecting block 1102 is fixedly connected with the fifth connecting plate 1303 in the sliding table assembly 13 through the seventh bolt 1305, drives the sliding table assembly 13 to realize Z-axis direction movement, thereby realizing the lifting movement of the oil nozzle 1217 along the Z-axis direction.

[0017] Referring to Figure 5, the rotary table assembly 12 is composed of a first vertical plate 1201, a third connecting plate 1202, a shaft coupling 1203, a first motor 1204, a third bolt 1205, a first spring washer 1206, a second vertical plate 1207, a fourth connecting plate 1208, a second spring washer 1209, a fourth bolt 1210, a fifth bolt 1211, a third spring washer 1212, an optical shaft 1213, a sixth bolt 1214, a ring 1215, a first connecting disc 1216, an oil nozzle 1217, a fixing disc 1218, and a second connecting disc 1219, wherein the first vertical plate 1201 is fixedly connected with the third connecting plate 1202 through the third bolt 1205, the third connecting plate 1202 is fixedly connected with the first motor 1204 through the third bolt 1205, the shaft coupling 1203 is connected with the optical shaft 1213 in a manner of interference fit, the shaft coupling 1203 is fixedly connected with the first motor 1204 through a bolt, the first spring washer 1206 is pressed against the right end surface of the third connecting plate 1202 through the pre-tightening force of the third bolt 1205, the second vertical plate 1207 is fixedly connected with the third connecting plate 1202 through the third bolt 1205, the first vertical plate 1201 and the second vertical plate 1207 are fixedly connected with the fourth connecting plate 1208 through the fourth bolt 1210, the second spring washer 1209 is pressed against the right end surface of the fourth connecting plate 1208 through the pre-tightening force of the fourth bolt 1210, the ring 1215 is fixedly connected with the oil nozzle 1217 through the sixth bolt 1214, the first connecting disc 1216 is fixedly connected with the second connecting disc 1219 through the fifth bolt 1211, the first connecting disc 1216 is fixedly connected with the ring 1215 through a bolt, the fixing disc 1218 is connected with the optical shaft 1213 in a manner of interference fit, the fixing disc 1218 is connected with the second connecting disc 1219 through a bolt, the third spring washer 1212 is pressed against the left end surface of the fourth connecting plate 1208 through the pre-tightening force of the fifth bolt 1211, and the first motor 1204 drives the optical shaft 1213 to rotate the ring 1215 to drive the oil nozzle 1217 to rotate in the Y-axis direction and to adjust the angle of the oil nozzle 1217 during operation.

[0018] Referring to Figure 6The slide table assembly 13 is composed of a second connecting block 1301, a second motor 1302, a fifth connecting plate 1303, a third connecting block 1304, a seventh bolt 1305, a rotating shaft 1306, a synchronous belt 1307, a third vertical plate 1308, a first synchronous pulley 1309, an eighth bolt 1310, a first acrylic plate 1311, a ninth bolt 1312, a fourth spring washer 1313, a first nut 1314, a limiting ring 1315, a sixth connecting plate 1316, a seventh connecting plate 1317, a first aluminum profile 1318, a second synchronous pulley 1319, a second aluminum profile 1320, a fifth spring washer 1321, a tenth bolt 1322, an eighth connecting plate 1323, a fourth vertical plate 1324, a fifth vertical plate 1325, a ninth connecting plate 1326, an eleventh bolt 1327, and a second internal hexagonal bolt 1328. The second connecting block 1301 is fixedly connected with the eighth connecting plate 1323 through the tenth bolt 1322. The second motor 1302 is fixedly connected with the fifth connecting plate 1303 through the seventh bolt 1305. The third connecting block 1304 is fixedly connected with the fifth connecting plate 1303 through the seventh bolt 1305. The rotating shaft 1306 is fixedly connected with the second motor 1302 through the eighth bolt 1310. The rotating shaft 1306 is connected with the first synchronous pulley 1309 through interference fit. The first synchronous pulley 1309 and the second synchronous pulley 1319 are connected with the synchronous belt 1307 through friction. The first acrylic plate 1311 is fixedly connected with the third connecting block 1304 through the seventh bolt 1305. The sixth connecting plate 1316 is fixedly connected with the seventh connecting plate 1317 through the ninth bolt 1312. The fourth spring washer 1313 is pressed against the upper end face of the sixth connecting plate 1316 through the pre-tightening force of the ninth bolt 1312. The limiting ring 1315 limits the freedom of the second synchronous pulley 1319 along the Z-axis direction. The second synchronous pulley 1319 realizes the pre-tightening function through the first nut 1314. The seventh connecting plate 1317 is fixedly connected with the first aluminum profile 1318 through welding. The seventh connecting plate 1317 is fixedly connected with the second aluminum profile 1320 through welding. The fifth spring washer 1321 is pressed against the upper end face of the eighth connecting plate 1323 through the pre-tightening force of the tenth bolt 1322. The eighth connecting plate 1323 is fixedly connected with the second connecting block 1301 through the tenth bolt 1322. The fourth vertical plate 1324 and the fifth vertical plate 1325 are fixedly connected with the ninth connecting plate 1326 through the second internal hexagonal bolt 1328. The fourth vertical plate 1324 and the fifth vertical plate 1325 are fixedly connected with the eighth connecting plate 1323 through the second internal hexagonal bolt 1328. During work, the second motor 1302 in the slide table assembly 1303 provides power, drives the first synchronous pulley 1309 to rotate through the rotating shaft 1306, drives the synchronous belt 1307 to rotate through the rotation of the first synchronous pulley 1309, and drives the second synchronous pulley 1319 to rotate as a passive wheel through the synchronous belt 1307.The second connecting block 1301 and the eighth connecting plate 1323 are fixedly connected by the tenth bolt 1322. The synchronous belt 1307 and the first synchronous pulley 1309 are driven to rotate through frictional contact. The rotation of the synchronous belt 1307 drives the second connecting block 1301 to reciprocate in the X-axis direction. The turntable assembly 12 and the slide assembly 13 are fixedly connected by the eleventh bolt 1327. The first vertical plate 1201 in the turntable assembly 12 and the ninth connecting plate 1326 in the slide assembly 13 are fixedly connected by the eleventh bolt 1327, realizing the reciprocating motion function of the fuel injector 1217 in the turntable assembly 12 along the X-axis direction.

[0019] See Figure 7 , Figure 8 The fixed box assembly 2 consists of a second acrylic plate 201, a second nut 202, a twelfth bolt 203, a sixth spring washer 204, a fourteenth bolt 205, a third acrylic plate 206, an upper fixed box 207, a first gear shaft 208, a lower fixed box 209, a third nut 210, a driving gear 211, a driven gear 212, a fixed base 213, a seventh spring washer 214, a fifteenth bolt 215, a second gear shaft 216, a first key 217, and a second key 218. The assembly is complete, wherein the second acrylic plate 201 is fixedly connected to the upper fixed box 207 by the twelfth bolt 203, and the second acrylic plate 201 is pre-tightened by the second nut 202. The pre-tightening force of the twelfth bolt 203 presses the sixth spring washer 204 against the upper end face of the second acrylic plate 201. The third acrylic plate 206 is fixedly connected to the upper fixed box 207 by the fourteenth bolt 205. The first gear shaft 208 and the drive gear 211 are fixedly connected by the first key 217. The second gear shaft 216 and the driven gear 212 are fixedly connected by the second key 218. The third acrylic plate 206 is pre-tightened by the third nut 210. The upper fixed box 207 and the lower fixed box 209 are fixedly connected by the fifteenth bolt 215 in the fixed seat 213. The pre-tightening force of the fifteenth bolt 215 presses the seventh spring washer 214 against the right end face of the fixed seat 213. During operation, both the second acrylic plate 201 and the third acrylic plate 206 in the fixed box assembly 2 are transparent. The working status of the fuel injector 1217 can be clearly seen. The upper fixed box 207 and the lower fixed box 209 are fixed by the fifteenth bolt 215 to achieve the sealing of the fixed box assembly 2, which avoids the loss of lubricating oil caused by oil splashing and reduces noise by sealing the fixed box assembly 2. The electric oil pump 303 draws oil from the oil tank 305 through the oil pipe 307. The drawn oil is transferred to the fuel injector 1217 through the low-pressure soft oil pipe 301 to realize the oil supply function of the fuel injector 1217.

[0020] See Figure 9, the oil tank assembly 3 is composed of a low-pressure flexible oil pipe 301, a clamp 302, an electric oil pump 303, a power line 304, an oil tank 305, a power strip 306 and an oil pumping pipe 307, wherein the low-pressure flexible oil pipe 301 is connected to the oil nozzle 1217 through the clamp 302 by interference fit through the hole in the middle of the second acrylic plate 201, in working, the power line 304 connects the power strip 306 to provide electric energy for the electric oil pump 303, the electric oil pump 303 pumps oil from the oil tank 305 through the oil pumping pipe 307, the pumped oil is delivered to the oil nozzle 1217 through the low-pressure flexible oil pipe 301, and the oil supply function of the oil nozzle 1217 is realized.

Claims

1. A sealed gear box apparatus with adjustable position angle of a spray head, characterized by: The utility model provides an oil injection nozzle angle adjusting device, which comprises a transmission assembly (1), a fixed box assembly (2) and an oil tank assembly (3), wherein the transmission assembly (1) is fixedly connected with the fixed box assembly (2) through a second bolt (1106), during operation, the lifting assembly (11) in the transmission assembly (1) drives the first connecting block (1102) to realize Z-axis direction movement by rotating the crank handle (1101), the first connecting plate (1103) is fixedly connected with the second connecting plate (1107) through a first inner hexagonal bolt (1109), the first connecting block (1102) is fixedly connected with the fifth connecting plate (1303) in the sliding table assembly (13) through a seventh bolt (1305), thereby driving the sliding table assembly (13) to realize Z-axis direction movement, so that the oil injection nozzle (1217) realizes lifting movement along the Z-axis direction, the electric oil pump (303) in the oil tank assembly (3) draws oil from the oil tank (305) through the oil pumping pipe (307), the pumped oil is transmitted to the oil injection nozzle (1217) through the low-pressure soft oil pipe (301), and the connection realizes oil supply, during operation, the second motor (1302) in the sliding table assembly (13) provides power, drives the first synchronous pulley (1309) to rotate through the rotating shaft (1306), the first synchronous pulley (1309) rotates to drive the synchronous belt (1307) to rotate, the second synchronous pulley (1319) rotates as a driven wheel through the synchronous belt (1307), the second connecting block (1301) is fixedly connected with the eighth connecting plate (1323) through the tenth bolt (1322), the synchronous belt (1307) rotates to drive the second connecting block (1301) to realize X-axis direction reciprocating movement, the turntable assembly (12) is fixedly connected with the sliding table assembly (13) through the eleventh bolt (1327), the first vertical plate (1201) in the turntable assembly (12) is fixedly connected with the ninth connecting plate (1326) in the sliding table assembly (13) through the eleventh bolt (1327), so that the oil injection nozzle (1217) in the turntable assembly (12) realizes reciprocating movement along the X-axis direction, the first motor (1204) provides power to the optical axis (1213) to drive the ring hoop (1215) to rotate, the ring hoop (1215) is connected with the oil injection nozzle (1217) in an interference fit, drives the oil injection nozzle (1217) to realize Y-axis direction rotation, and then the angle of the oil injection nozzle (1217) is adjusted, the second acrylic plate (201) and the third acrylic plate (206) in the fixed box assembly (2) are transparent, and the working state of the oil injection nozzle (1217) can be clearly seen, the upper fixed box (207) is fixedly connected with the lower fixed box (209) through the fifteenth bolt (215) in the fixed seat (213), so that the fixed box assembly (2) is sealed, lubricating oil loss caused by oil splashing is avoided, and the fixed box assembly (2) is noise-reducing in a sealed manner.The slide assembly (13) is composed of a second connecting block (1301), a second motor (1302), a fifth connecting plate (1303), a third connecting block (1304), a seventh bolt (1305), a rotating shaft (1306), a synchronous belt (1307), a third vertical plate (1308), a first synchronous pulley (1309), an eighth bolt (1310), a first acrylic plate (1311), a ninth bolt (1312), a fourth spring washer (1313), a first nut (1314), a limiting ring (1315), a sixth connecting plate (1316), a seventh connecting plate (1317), a first aluminum profile (1318), a second synchronous pulley (1319), a second aluminum profile (1320), a fifth spring washer (1321), a tenth bolt (1322), an eighth connecting plate (1323), a fourth vertical plate (1324), a fifth vertical plate (1325), a ninth connecting plate (1326), an eleventh bolt (1327), and a second internal hexagonal bolt (1328). The second connecting block (1301) is fixedly connected with the eighth connecting plate (1323) through the tenth bolt (1322), the second motor (1302) is fixedly connected with the fifth connecting plate (1303) through the seventh bolt (1305), the third connecting block (1304) is fixedly connected with the fifth connecting plate (1303) through the seventh bolt (1305), the rotating shaft (1306) is fixedly connected with the second motor (1302) through the eighth bolt (1310), the rotating shaft (1306) is connected with the first synchronous pulley (1309) through interference fit, the first synchronous pulley (1309) and the second synchronous pulley (1319) are connected with the synchronous belt (1307) through friction, the first acrylic plate (1311) is fixedly connected with the third connecting block (1304) through the seventh bolt (1305), the sixth connecting plate (1316) is fixedly connected with the seventh connecting plate (1317) through the ninth bolt (1312), the fourth spring washer (1313) is pressed against the upper end face of the sixth connecting plate (1316) through the pre-tightening force of the ninth bolt (1312), the limiting ring (1315) limits the freedom of the second synchronous pulley (1319) along the Z-axis direction, the second synchronous pulley (1319) realizes the pre-tightening function through the first nut (1314), the seventh connecting plate (1317) is fixedly connected with the first aluminum profile (1318) through welding, the seventh connecting plate (1317) is fixedly connected with the second aluminum profile (1320) through welding, the fifth spring washer (1321) is pressed against the upper end face of the eighth connecting plate (1323) through the pre-tightening force of the tenth bolt (1322), the eighth connecting plate (1323) is fixedly connected with the second connecting block (1301) through the tenth bolt (1322), the fourth vertical plate (1324) and the fifth vertical plate (1325) are fixedly connected with the ninth connecting plate (1326) through the second internal hexagonal bolt (1328).The fourth vertical plate (1324) and the fifth vertical plate (1325) are fixedly connected with the eighth connecting plate (1323) through the second internal hexagonal bolt (1328).

2. A sealed gear box apparatus with adjustable position angle of a spray head according to claim 1, characterized in that: The transmission assembly (1) is composed of a lifting assembly (11), a rotary table assembly (12) and a sliding table assembly (13), wherein the lifting assembly (11) is fixed with the sliding table assembly (13) through a second bolt (1106), and the rotary table assembly (12) is fixedly connected with the sliding table assembly (13) through an eleventh bolt (1327).

3. A sealed gear box apparatus with adjustable position angle of a spray head according to claim 1, characterized in that: The lifting assembly (11) is composed of a crank (1101), a first connecting block (1102), a first connecting plate (1103), a first bolt (1104), a lead screw (1105), a second bolt (1106), a second connecting plate (1107), a shoulder screw (1108) and a first inner hexagonal bolt (1109), wherein the crank (1101) is fixedly connected with the lead screw (1105) through the first bolt (1104), the first connecting plate (1103) is fixedly connected with the second connecting plate (1107) through the first inner hexagonal bolt (1109), the second connecting plate (1107) is fixedly connected with the upper fixed box (207) through the second bolt (1106), the lead screw (1105) is fixedly connected with the first connecting block (1102) through the shoulder screw (1108), the lower end thread of the shoulder screw (1108) is connected with the internal thread hole of the lead screw (1105) through interference fit, and the shoulder of the shoulder screw (1108) is fixedly connected with the end face of the internal hole of the first connecting block (1102) through the pre-tightening force of the thread.

4. A sealed gear box apparatus with adjustable position angle of a spray head according to claim 1, characterized in that: The rotating table assembly (12) is composed of a first vertical plate (1201), a third connecting plate (1202), a shaft coupling (1203), a first motor (1204), a third bolt (1205), a first spring washer (1206), a second vertical plate (1207), a fourth connecting plate (1208), a second spring washer (1209), a fourth bolt (1210), a fifth bolt (1211), a third spring washer (1212), an optical shaft (1213), a sixth bolt (1214), a ring clamp (1215), a first connecting disc (1216), an oil nozzle (1217), a fixed disc (1218), and a second connecting disc (1219). The first vertical plate (1201) is fixedly connected with the third connecting plate (1202) through the third bolt (1205), the third connecting plate (1202) is fixedly connected with the first motor (1204) through the third bolt (1205), the shaft coupling (1203) is connected with the optical shaft (1213) in an interference fit manner, the shaft coupling (1203) is fixedly connected with the first motor (1204) through a bolt, the first spring washer (1206) is pressed against the right end face of the third connecting plate (1202) through the pre-tightening force of the third bolt (1205), the second vertical plate (1207) is fixedly connected with the third connecting plate (1202) through the third bolt (1205), the first vertical plate (1201) and the second vertical plate (1207) are fixedly connected with the fourth connecting plate (1208) through the fourth bolt (1210), the second spring washer (1209) is pressed against the right end face of the fourth connecting plate (1208) through the pre-tightening force of the fourth bolt (1210), the ring clamp (1215) is fixedly connected with the oil nozzle (1217) through the sixth bolt (1214), the first connecting disc (1216) is fixedly connected with the second connecting disc (1219) through the fifth bolt (1211), the first connecting disc (1216) is fixedly connected with the ring clamp (1215) through a bolt, the fixed disc (1218) is connected with the optical shaft (1213) in an interference fit manner, the fixed disc (1218) is connected with the second connecting disc (1219) through a bolt, and the third spring washer (1212) is pressed against the left end face of the fourth connecting plate (1208) through the pre-tightening force of the fifth bolt (1211).

5. A sealed gear box apparatus with adjustable position angle of a spray head according to claim 1, characterized in that: The fixed box assembly (2) is composed of a second acrylic plate (201), a second nut (202), a twelfth bolt (203), a sixth spring washer (204), a fourteenth bolt (205), a third acrylic plate (206), an upper fixed box (207), a first gear shaft (208), a lower fixed box (209), a third nut (210), a driving gear (211), a driven gear (212), a fixed seat (213), a seventh spring washer (214), a fifteenth bolt (215), a second gear shaft (216), a first key (217), and a second key (218), wherein the second acrylic plate (201) is fixedly connected with the upper fixed box (207) through the twelfth bolt (203), the second acrylic plate (201) is pre-tightened through the second nut (202), the sixth spring washer (204) is pressed against the upper end face of the second acrylic plate (201) by the pre-tightening force of the twelfth bolt (203), the third acrylic plate (206) is fixedly connected with the upper fixed box (207) through the fourteenth bolt (205), the first gear shaft (208) is fixedly connected with the driving gear (211) through the first key (217), the second gear shaft (216) is fixedly connected with the driven gear (212) through the second key (218), the third acrylic plate (206) is pre-tightened through the third nut (210), the upper fixed box (207) is fixedly connected with the lower fixed box (209) through the fifteenth bolt (215) in the fixed seat (213), and the seventh spring washer (214) is pressed against the right end face of the fixed seat (213) by the pre-tightening force of the fifteenth bolt (215).

6. A sealed gear case apparatus with adjustable position angle of a nozzle according to claim 1, characterized in that: The oil tank assembly (3) is composed of a low-pressure flexible oil pipe (301), a clamp (302), an electric oil pump (303), a power cord (304), an oil tank (305), a power strip (306), and an oil pumping pipe (307), wherein the low-pressure flexible oil pipe (301) is connected with the oil nozzle (1217) through the clamp (302) by interference fit through the hole in the middle of the second acrylic plate (201), and the power cord (304) is connected with the power strip (306) to provide power for the electric oil pump (303) during work.

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