C type arm
Technical field
This utility model relates to the angiography machine technical field, relates in particular to a kind of C type arm of angiography machine.
Background technology
C type arm is the main mechanical structured member of angiography machine, adopts aluminum alloy casting technique method molding C type arm usually in the past, and formed C type arm is as a whole like this, and is shown in Figure 1 as cross section, but there is following defective in integrated like this C type arm:
1, owing to the intrinsic reason of the technology of Birmasil, there are critical defects such as crackle, pore, sand holes easily in C type arm, a certain amount of waste product occurs;
2, the required mould structure complexity of casting, difficulty of construction is big, and cost is higher;
3, the post processing of cast blank, equipment needed thereby is bigger, and the whole nation has only minority unit to have the condition of post processing, and the disposal cost costliness;
4, the modification of casting and post processing generation is bigger, therefore will strengthen allowance, causes certain waste of material;
5, the roller surface of C type arm rotation is difficult for adopting surface Hardening Treatment owing to be subjected to the restriction of material, is prone to the wearing and tearing of roller surface, influences the service life of complete machine.
The utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: the C type arm that defectives such as a kind of flawless, pore, sand holes, low cost of manufacture, long service life are provided.
(2) technical scheme
For achieving the above object, this utility model provides a kind of C type arm, and this C type arm is a split-type structural, and the every part that is divided into connects by the mode of mechanical fasteners.
Wherein, described C type arm comprises: roller surface part, bottom surface portions, first support section and second support section, be provided with screw counter bore on described roller surface part and the described bottom surface portions, the two ends of described first support section and described second support section are provided with the screwed hole that is connected with described screw.
Wherein, described roller surface part and described bottom surface portions all link to each other with described first support section and second support section by screw.
Wherein, described bottom surface portions, first support section and second support section are made by aluminum.
Wherein, described roller surface part is made by strengthening material.
(3) beneficial effect
Angiography machine C type arm of the present utility model because split type structure, can therefore, have following beneficial effect by not cast technological forming method molding:
1, eliminates because the normal defectiveness that casting technique produced has been avoided the potential risk that internal flaw caused, reduced simultaneously because the caused refining losses of casting flaw;
2, owing to adopt not cast moulding process, need not casting mould, reduced difficulty of construction, reduced the casting mould expense;
3, do not need solid molten processing the behind the aluminium alloy casting, reduced requirement process equipment;
4, because basic part all adopts rolled plate, the mechanical performance of its material itself increases than Birmasil;
5, for the roller surface of C type arm rotation, the special material that has than high-mechanical property that adopts, reinforced wear-resistant voltage endurance, the serviceability of raising C type arm.
Description of drawings
The C type arm cross sectional representation of Fig. 1 for making by casting technique in the prior art;
Fig. 2 is the C type arm cross section decomposition diagram according to a kind of embodiment of this utility model;
Fig. 3 is the C type arm perspective cross-sectional view according to a kind of embodiment of this utility model.
The specific embodiment
The C type arm that the utility model proposes is described in detail as follows in conjunction with the accompanying drawings and embodiments.
C type arm according to a kind of embodiment of this utility model is a split-type structural, is divided into the basic plate material parts of some unlike materials, and the every part that is divided into connects by the mode of mechanical fasteners, for example: modes such as screw, welding.Because split type structure can be carried out roughing to every part earlier by not cast technological forming method molding, uses the method for mechanical fasteners afterwards, and they are combined into C shape arm configuration, integral body is carried out Precision Machining again.
Preferably, shown in Fig. 2-3, this C type arm comprises: the roller surface part 1 of C type arm rotation, bottom surface portions 2, first support section 3, and second support section 4, be provided with screw counter bore on roller surface part 1 and the bottom surface portions 2, be respectively screw counter bore 1-1,1-2 and screw counter bore 2-1,2-2, correspondingly, the two ends of first support section 3 and second support section 4 are provided with screwed hole, be respectively hole 3-1,3-2, and hole 4-1,4-2, preferably, roller surface part 1 and bottom surface portions 2 all link to each other with first support section 3 and second support section 4 by screw 5.
Every part of C type arm adopts rolled plate, and for the requirement of the mechanical performance that satisfies different parts, the material of every part can be different, can make by aluminum.Also can be preferably, roller surface part 1 is made by the material that has than high-mechanical property, and for example steel with the reinforced wear-resistant voltage endurance, improves the serviceability of C type arm.
Above embodiment only is used to illustrate this utility model; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.