I think Yantai and Weihai are almost fun. My words will be: Dalian-Yantai (fun)-Qingdao (fun)-Jinan (fun)-Qufu (fun)-Taishan (fun)-Jinan (flying back)-Shenyang. Compared with your route, it's a bit circuitous, so it won't be very tired. Of course, you have to always arrange the best trip according to yourself. I will provide you with a more accurate train schedule. Please make your own schedule. I have found it for you now. It will be more practical to buy tickets before playing in Qingdao.
Dalian-Yantai ship, 6-7 hours;
Yantai-Qingdao: Express buses run every half hour; 4 hours;
Qingdao-Taian:
D6064/D606 1 Qingdao Taishan 06:00 09:28 466 03:28- Air-conditioned EMU
K694/K69 1 Qingdao Taishan 06:33 12:56 466 06:23- Air-conditioned Express 69 (hard seat)
T 162/T 159 Qingdao Taishan 08:10/3: 05 466 04: 55-Air-conditioned Express 69 (hard seat)
D78/D75 Qingdao Taishan10: 3013: 57 466 03: 27-Air-conditioned EMU 187 (first-class soft seat)
K9 14/K9 1 1 Qingdao Taishan12: 2018: 26 466 06: 06-Express delivery
K344/K34 1 Qingdao Taishan13:18: 36 466 05: 25-Air Conditioning Express 69 (hard seat)
K 172/K 173 Qingdao Taishan13: 4719: 49 466 06: 02-Air-conditioned Express 69 (hard seat)
K296/K293 Qingdao Taishan14: 2019: 58 466 05: 38-Air-conditioned Express 69 (hard seat)
1112/13 Qingdao Taishan15: 3021:12 466 05: 42-Air-conditioning Pukuai 62
K208/K205 Qingdao Taishan16:16 22: 08 466 05: 52-Air-conditioned Express 69 (hard seat)
2032/2033 Qingdao Taishan16: 32 22: 44 466 06:12-Air Conditioning Pukuai 62 (hard seat)
1564/ 1565 Qingdao Taishan 16:32 22:40 466 06:08- Air Conditioning Pukuai 62 (hard seat)
1336/ 1337 Qingdao Taishan17: 06 23:10 466 06: 04-Pukuai 34 (hard seat)
K70/K67 Qingdao Taishan 19:07 00:33 466 05:26- Air-conditioned Express 69 (hard seat)
Qingdao-Jinan:
D6064/D606 1 Qingdao Jinan 06:00 08:42 393 02:42- Air conditioning system
K694/K69 1 Qingdao Jinan 06: 3311:52 393 05:19-Air Conditioning Express 55 (hard seat)
D60 Qingdao Jinan East 06:52 09:3 1 390 02:39- Air-conditioned EMU 158 (first-class soft seat)
D6072 Qingdao Jinan 06:59 09:46 393 02:47- Air-conditioned EMU
D58 Qingdao Jinan East 07: 4210: 21390 02: 39-Air-conditioned EMU 158 (first-class soft seat)
D6002 Qingdao Jinan 07:53 10:35 393 02:42- Air-conditioned EMU
5026/5027 Qingdao Jinan East 08:00 13:40 283 05:40- Pukuai 22 (hard seat)
T 162/T 159 Qingdao Jinan 08:10/2:12 393 04: 02-air conditioning express 55 (hard seat)
D6004 Qingdao Jinan 08: 5511:43 393 02: 48-Air-conditioned EMU
1406/ 1407 Qingdao Jinan East 09:1214: 02 390 04: 50-Air Conditioning Pukuai 49 (hard seat)
D78/D75 Qingdao Jinan10: 3013:12 393 02: 42-Air-conditioned EMU 160 (first-class soft seat)
D6006 Qingdao Jinan10: 4013: 22 393 02: 42-Air-conditioned EMU
D62 Qingdao Jinan East10: 4613: 25 390 02: 39-Air-conditioned EMU 158 (first-class soft seat)
D6008 Qingdao Jinan11:4014: 26 393 02: 46-EMU
K9 14/K9 1 1 Qingdao Jinan12: 2017: 20 393 05: 00-Express delivery
D60 10 Qingdao Jinan12: 3915: 26 393 02: 47-Air-conditioned EMU
D54 Qingdao Jinan East12: 5415: 28 390 02: 34-Air-conditioned EMU 158 (first-class soft seat)
K344/K34 1 Qingdao Jinan13:17: 39 393 04: 28-Air-conditioned Express 55 (hard seat)
K7 10/K7 1 1 Qingdao Jinan East13: 2018:16 390 04: 56-Express
K 172/K 173 Qingdao Jinan13: 4718: 51393 05: 04-air conditioning express 55 (hard seat)
D60 12 Qingdao Jinan13: 5816: 45 393 02: 47-Air-conditioned EMU
K296/K293 Qingdao Jinan14: 2019: 00 393 04: 40-Air-conditioned Express 55 (hard seat)
D52 Qingdao Jinan East14: 5317: 32 390 02: 39-Air-conditioned EMU 158 (first-class soft seat)
D60 14 Qingdao Jinan15:1017: 57 393 02: 47-Air-conditioned EMU
1112/13 Qingdao Jinan15: 30 20:10 393 04: 40-air conditioner Pukuai 49 (hard seat)
K208/K205 Qingdao Jinan16:1621:04 393 04: 48-Air-conditioned Express 55 (hard seat)
1564/ 1565 Qingdao Jinan16: 3221:38 393 05: 06-Air Conditioning Pukuai 49 (hard seat)
2032/2033 Qingdao Jinan16: 3221:39 393 05: 07-Air Conditioning Pukuai 49 (hard seat)
D60 16 Qingdao Jinan16: 4719: 33 393 02: 46-Air-conditioned EMU
1336/ 1337 Qingdao Jinan17: 06 22:11393 05: 05-Pukuai 28 (hard seat)
D56 Qingdao Jinan East17:1719: 48 390 02: 31-air-conditioned EMU 158 (first-class soft seat)
1206/ 1207 Qingdao Jinan East17: 45 23: 06 390 05: 21-air conditioner Pukuai 49 (hard seat)
D60 18 Qingdao Jinan 18:00 20:46 393 02:46- EMU
K702/K703 Qingdao Jinan East18:19 22: 32 390 04:13-Express 32 (hard seat)
1254/ 1255 Qingdao Jinan East 18:35 23:24 390 04:49- Pukuai 28 (hard seat)
K882/K883 Qingdao Jinan East18: 5123: 47 390 04: 56-Express
K70/K67 Qingdao Jinan 19:07 23:37 393 04:30- Air-conditioned Express 55 (hard seat)
5022/5023 Qingdao Jinan 19:48 00:54 393 05:06- Air Conditioning Pukuai 49 (hard seat
D6020 Qingdao Jinan 20:06 22:48 393 02:42- Air-conditioned EMU
T26 Qingdao Jinan East 20: 15 00:04 390 03:49- Air-conditioned Express 55 (hard seat)
Jinan to Qufu: (just these three classes)
K5 1 Jinan Qufu 05:13 07: 36187 02: 23-Air-conditioned Express 3 0 (hard seat)
K828 1 Jinan Qufu 08:110: 3218702: 21-Express delivery.
K8285 Jinan Qufu17: 0519: 26187 02: 21
Taishan-Qufu: (or these three classes)
K5 1 Taishan Qufu 06: 06 07: 3611401:30-Air Conditioning Express 19 (hard seat)
K828 1 Taishan Qufu 09: 0210: 321kloc-0/401:30-Express delivery
K8285 Taishan Qufu17: 5619: 2611401:30-Fast air conditioning.
Jinan-Taishan: Taishan-Jinan, sports car, about half an hour, 7- 13 yuan.
Have a nice trip, Luciana Qingdao.