I have only 1 ipad device, can I create 2 icloud accounts for the same ipad?

Of course.

To create the first iCloud account, open Settings > iCloud, type your Apple ID and follow the steps to set up iCloud.

Then, to add a second iCloud account, open Settings > Mail, Contacts & Calendars > Add Account > iCloud, type the second Apple ID and set up iCloud for this Apple ID.

Note that one iCloud account will work as the primary account and the other one as the secondary account. See > http://support.apple.com/kb/TS4020

But when i had try to creat a other icout ending by @icloud.com they said that my ipad dont have the right to creat a free ID :/
Is that associed to the use of Kuaiyong !?