Telescopic support

• Main Author: CHEN MINQIANG
• Format: Patent
• Language: Chinese; English
• Published: 17.07.2020
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; STANDS OR SUPPORTS; THERMAL INSULATION IN GENERAL; WEAPONS

The invention discloses a telescopic support. The telescopic support comprises a base body, a circular channel is formed in the base body, a piston column is connected into the circular channel in a sleeved mode; a plurality of cylindrical pull rods are connected between the base body and the piston column in a sleeved mode, and the pull rods are connected in a sleeved mode layer by layer from outside to inside; L-shaped grooves are formed in the inner wall of the circular channel of the base body and the inner wall of each pull rod, and each L-shaped groove comprises a vertical groove part formed in the axial direction and an arc groove part communicated with the vertical groove part and formed in the circumferential direction; guide blocks are arranged on the outer wall of the piston column and the outer wall of each pull rod, and each guide block is in sliding fit with the corresponding L-shaped groove in the outer side of the guide block; the piston column is pulled, so that the guide block moves in the c