CN208756013U - The shooting bed of piece drawer and column linkage - Google Patents

Abstract

The utility model relates to the shooting beds of a kind of drawer and column linkage, it is related to Medical Devices auxiliary device technical field, solve the problems, such as that column and piece drawer cannot move simultaneously, including smooth road, slide and column, the shooting head slided up and down is provided on the column, the bed board of the shooting bed is arranged with the piece drawer moved along shooting bed length direction, smooth road and horizontal-extending extension bar are provided perpendicular on the downside of the rear end of described drawer, the end of the extension bar is provided with linkage unit, the linkage unit includes the vertical linkage bearing of axial direction for being directed toward smooth road direction, the stretching plate bent to piece drawer direction is provided on the slide, the end face for stretching out plate towards piece drawer is parallel with the moving direction of piece drawer, and it is identical that at least two diameters are provided on end face, depth is different to agree with or separates with linkage bearing outer ring Bearing groove.The utility model realizes the linkage and separation of piece drawer and column, improves the working efficiency of operator.

Description

The shooting bed of piece drawer and column linkage

Technical field

The utility model relates to Medical Devices auxiliary device technical field, the in particular to bats of a kind of drawer and column linkage Piece bed.

Background technique

Patient is needed to lie on a bed when clapping X-ray or C arm perspective in common check, it is only necessary to which level bed does not need too many Function action, such bed are called shooting bed.Shooting bed is by being slidably arranged in the vertical of rear side when carrying out film making work Column and the shooting head slided up and down on column realize shooting.But in film making, control column is same with shooting head movement When, it is convenient in order to pick and place X-ray, it is also necessary to which that moving sheet drawer is moved together with shooting head, and head is shot when especially shooting from human body Head to the movement of foot, need piece drawer also can synchronizing moving.In the prior art while follow shot head, it must turn round Moving sheet drawer is removed, the promotion of workload is caused, influences the working efficiency of operator.

Utility model content

The purpose of this utility model is to provide the shooting beds of a kind of drawer and column linkage, in follow shot head and column While, energy band movable plate drawer moves together or moving sheet drawer can drive column and shooting head to move together, and improves operator The working efficiency of member.

The above-mentioned purpose of the utility model has the technical scheme that

The shooting bed of a kind of drawer and column linkage, including being set to the smooth road of shooting bed back lower, in smooth road On the slide slid laterally and the column being fixed on slide, be provided with the shooting head slided up and down on the column, it is described The bed board of shooting bed is arranged with the piece drawer moved along shooting bed length direction, is provided perpendicular on the downside of the rear end of described drawer Smooth road and horizontal-extending extension bar, the end of the extension bar are provided with linkage unit, and the linkage unit includes being directed toward The axial direction in smooth road direction vertical linkage bearing is provided with the stretching plate bent to piece drawer direction on the slide, described to stretch The end face of ejecting plate towards piece drawer is parallel with the moving direction of piece drawer, and be provided on end face at least two diameters are identical, depth not With agree with or isolated bearing groove with linkage bearing outer ring.

By using above-mentioned technical proposal, extension bar is set, plate is stretched out in setting on slide, and connection is arranged on extension bar on piece drawer Dynamic bearing stretches out on plate and bearing groove is arranged, and linkage bearing can agree with or separate with bearing groove, is shot using shooting head When, linkage bearing can be made to be stuck in bearing groove with moving sheet drawer, due to the limitation of bearing groove two sides, when piece drawer is mobile slow, It will drive slide to move therewith, operator does not need that column and piece drawer is individually moved in operation, improves working efficiency； When piece drawer is mobile quick, linkage bearing can be squeezed out out of bearing groove, be separated with bearing groove, and piece drawer and slide release linkage shape State；Using the different bearing groove of at least two depth, one be not enough to block linkage bearing when, another can be used as supplement will Linkage bearing blocks, and guarantees preferable linkage effect, improves the working efficiency of shooting bed operator.

Preferably, the linkage unit further include be arranged in stretch out boom end along extension bar length direction fixing sleeve, Sliding is provided with the bearing block for the bearing hinge joint that links along its length in the fixing sleeve, is provided in the fixing sleeve Control the elastic component of bearing block sliding.

By using above-mentioned technical proposal, the bearing that links is controlled by elastic component to be moved, and can pass through the elastic force control of elastic component System linkage bearing agrees with or separates with bearing groove, and the control for the bearing that links is more flexible, preferably cooperates with bearing groove, improves piece The linkage effect of drawer and slide and column also can more easily release linkage effect.

Preferably, the bearing block is the cylindrical body across fixing sleeve end face, the extension end of the bearing block is provided with For installing the slot of linkage bearing, the linkage bearing stretches out out of fixing sleeve and agrees with bearing groove or separate.

By using above-mentioned technical proposal, the movement of bearing block more flexible convenience increases linkage bearing and bearing groove Contact area, bearing groove can embrace linkage bearing more firmly, make linkage bearing be not easy to be detached from from bearing groove, improve the effect of linkage Fruit.

Preferably, two sides are provided with the positioning column for preventing it from rotating to the bearing block up and down, the positioning column sliding is set It sets in the strip-shaped hole for being located at fixing sleeve upper and lower end faces.

By using above-mentioned technical proposal, prevent bearing block from rotating, bearing block can only move axially, and guarantee linkage bearing axis , can only be with bearing block transverse shifting to constant, the bearing that links is able to achieve the state agreed with bearing groove, guarantees that linkage structure is normal Work.

Preferably, the bearing seat is provided with spring stack in one end in fixing sleeve, the elastic component is to be set in The spring of compressive state is on spring stack.

By using above-mentioned technical proposal, elastic component uses spring, and elasticity is good, can adjust the position of bearing block more quickly It sets, spring stack can prevent spring from twisting or deviating with the position of good fixed spring.

Preferably, the stretching plate is gradually increased from the end face width towards piece drawer, formation facilitates linkage bearing sliding Inclined-plane.

, can be mobile to piece drawer direction when universal driving shaft undertaking is contacted on inclined-plane by using above-mentioned technical proposal, squeeze bullet Spring is gradually moved in bearing groove, so that slide and column be driven to move together, makes to link bearing movement steadily, linkage knot Structure smoothly works.

Preferably, the smooth road includes superposed sliding way and the glide path positioned at lower part, the slide Top is provided with the upper bearing (metal) component with sliding way cooperation, and the slide lower part is provided with the lower bearing group with glide path cooperation Part.

By using above-mentioned technical proposal, slide uses the structure of double slideways up and down, double slideways support slides and column, drop The receiving weight of low single slideway, slide and column can preferably keep balance when sliding, and entire shooting bed operating room is more stable, Guarantee better shooting effect.

Preferably, the smooth road further includes the upper bearing plate being fixed on shooting bed, the sliding way is fixed on For bearing plate far from the side of shooting bed, the upper bearing (metal) component includes two upper and lower sides being in rolling contact respectively in sliding way And upper bearing (metal) opposing upper and lower.

By using above-mentioned technical proposal, bearing is arranged in two sides above and below sliding way, reduces slide and slides on sliding way When the resistance that is subject to, slide sliding is more smooth, and operator can preferably control slide and column, saves physical strength.

Preferably, the smooth road further includes the lower bearing plate being fixed on shooting bed, the glide path is fixed on down On the upper side of bearing plate, the lower bearing component includes two front and back sides and front and back phase being in rolling contact respectively in glide path Pair lower bearing.

By using above-mentioned technical proposal, bearing is set in glide path front and rear sides, reduces slide and is slided on glide path When the resistance that is subject to, slide sliding is more smooth, and operator can preferably control slide and column, saves physical strength；Slide simultaneously Because of the cooperation of two upper bearing (metal)s and sliding way, slide is firmly stuck in smooth road by the cooperation of two lower bearings and glide path On, the gravity of slide is applied on sliding way, and gravity is distributed on glide path by sliding way, has effectively dispersed the weight of slide Power.

Preferably, being provided with support plate between the upper bearing plate and lower bearing plate.

By using above-mentioned technical proposal, so that smooth road is become an entirety, enhance the structure of sliding way and glide path Intensity preferably supports slide and column；It more contacts and fixes with shooting bed by support plate, smooth road installation is more firm Gu.

In conclusion the utility model has the following beneficial effects:

1, extension bar is set on piece drawer, and plate is stretched out in setting on slide, and setting linkage bearing, stretches out on plate and be arranged on extension bar Bearing groove, linkage bearing can agree with or separate with bearing groove, when being shot using shooting head, can make to join with moving sheet drawer Dynamic bearing is stuck in bearing groove, since the limitation of bearing groove two sides will drive slide and move therewith when piece drawer is mobile slow Dynamic, operator does not need that column and piece drawer is individually moved in operation, improves working efficiency.

2, the bearing groove different using at least two depth, one be not enough to block linkage bearing when, another can make Linkage bearing is blocked for supplement, guarantees preferable linkage effect, improves the working efficiency of shooting bed operator.

3, bearing block can only move axially, and guarantee that linkage bearing is axially constant, can only be with bearing block transverse shifting, universal driving shaft The state for being able to achieve and agreeing with bearing groove is held, guarantees that linkage structure normally works.

4, slide uses the structure of double slideways up and down, double slideways support slides and column, reduces the receiving weight of single slideway Amount, slide and column can preferably keep balance when sliding, and entire shooting bed operating room is more stable, guarantee preferably shooting effect Fruit.

5, the utility model linkage structure structure is simple, and linkage and releasing are all more convenient, meets shooting bed column and piece The mobile demand of drawer.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model shooting bed；

Fig. 2 is the structural schematic diagram of the utility model piece drawer；

Fig. 3 is the structural schematic diagram of interlocking bar on the utility model piece drawer；

Fig. 4 is the cross section structure schematic diagram of the utility model piece drawer；

Fig. 5 is the attachment structure schematic diagram of the utility model shooting bed and column；

Fig. 6 is the structural schematic diagram of the utility model rotation fixation kit；

Fig. 7 is the attachment structure schematic diagram of the utility model slide Yu smooth road；

Fig. 8 is the linkage structure schematic diagram of the utility model column Yu piece drawer；

Fig. 9 is the linkage node schematic diagram of the utility model column Yu piece drawer；

Figure 10 is the structural schematic diagram of the utility model linkage unit.

In figure, 1, smooth road；100, shooting bed；11, sliding way；12, glide path；13, upper bearing plate；14, lower bearing plate； 15, support plate；2, slide；21, fixation kit is rotated；211, positioning head；212, locating rack；213, rotation slot；214, rotation axis； 215, return unit；216, return unit mounting hole；217, receiving hole；218, handle is removed；22, upper bearing (metal) component；221, upper bearing (metal)；23, Lower bearing component；231, lower bearing；24, plate is stretched out；25, bearing groove；3, column；31, mounting disc；32, locating slot；4, it shoots Head；5, piece drawer；51, piece drawer frame；511, resilient cushion；512, moving handle；52, pulling plate；53, preceding sliding slot；54, rear sliding slot；55, preceding Clamping plate；551, inclined-plane is contacted；56, rear plate；57, interlocking bar；571, from bull stick；572, swing rod；58, clamping device；581, it wears Bar；582, briquetting；583, turning handle；584, contact block；59, grip block；6, extension bar；7, linkage unit；71, link bearing；72, Fixing sleeve；721, strip-shaped hole；73, bearing block；731, slot；732, positioning column；733, spring stack；74, elastic component.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

The utility model create description in, it is to be understood that term " center ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is merely for convenience of the creation of description the utility model and simplifies description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

The shooting bed of a kind of drawer and column linkage, as shown in Fig. 1, shooting bed 100 are rectangular frame structure, piece Length direction of the glide direction of drawer 5 along shooting bed.The rear side of shooting bed 100 is fixed with smooth road 1, and smooth road 1 is mounted on bat The lower part of piece bed 100 is simultaneously arranged along the length direction of shooting bed 100, and smooth road 1 is by upper sliding 11, glide path 12, upper bearing plate 13, lower bearing plate 14 and support plate 15 form, and upper bearing plate 13 is mounted on the middle part of shooting bed 100, lower bearing plate 14 with above hold About 13 weight plate is opposite, is mounted on the lower part of shooting bed 100, and support plate 15 is vertical plate, both ends be connected to bearing plate 13 with It on lower bearing plate 14, and is bolted on shooting bed 100, upper sliding 11 is fixed on load-bearing with upper bearing plate 13 in the same direction On the side of plate 13, glide path 12 and lower bearing plate 14 are fixed in the same direction on the upper side of bearing plate 13.

Slide 2 is slidably arranged on smooth road 1, and 2 top of slide is provided with upper bearing (metal) component 22, and lower part is provided with lower bearing Component 23, the sliding of upper bearing (metal) component 22 are connected on sliding way 11, and the sliding of lower bearing component 23 is connected on glide path 12.Slide 2 be rectangular box structure, and three far from shooting bed 100 side surface upper part is provided with rotation fixation kit 21, and column 3 is installed It is located by connecting in the upper surface of slide 2, and by rotating fixation kit 21, specific 3 lower end surface of column is provided with circular peace Sabot 31, rotation fixation kit 21 are connect with mounting disc 31.Column 3 slides on smooth road 1 with slide 2, while pacifying on column 3 Equipped with the shooting head 4 slided up and down along column 3, shoots head 4 and be suspended from 100 top of shooting bed, for shooting human body, people lies in film making On bed 100, by shooting the left and right of head 4 and moving up and down completion shooting.Slide 2 and column 3 when moving, pass through linkage unit 7 are connected with piece drawer 5, and the rear portion of piece drawer 5 is provided with the extension bar 6 to extend back, and linkage unit 7 is mounted on extension bar 6 End is simultaneously connect with slide 2, and energy band movable plate drawer 5 moves together while keeping slide 2 mobile, and the sliding length of slide 2 is greater than piece The sliding length of drawer 5, when piece drawer 5, which slides into end, to be slided, linkage unit 7 is separated with slide 2, and slide 2 can continue to slide It is dynamic.

As shown in Fig. 2, piece drawer 5 is made of piece drawer frame 51 and pulling plate 52, and piece drawer frame is the rectangular frame of front opening, preceding On shooting bed 100, the left and right sides of piece drawer frame 51 is provided with resilient cushion 511 for both ends sliding afterwards, and piece drawer 5 is in sliding, drop The low collision impact with 100 frame body of shooting bed, the X-ray in screening glass drawer 5, the front end of piece drawer frame 51, which is equipped with, facilitates promotion The moving handle 512 that piece drawer 5 slides.

Pulling plate 52 is mounted in piece drawer frame 51, and can be moved forward and backward in the open at one end of piece drawer frame 51, the front end of pulling plate 52 The preceding sliding slot 53 and rear sliding slot 54 for being moved along it direction setting are provided with rear end, preceding sliding slot 53 and rear sliding slot 54 are located at same side Upward correspondence, the interior sliding of preceding sliding slot 53 are provided with front plate 55, and sliding is provided with rear plate 56, front plate in rear sliding slot 54 55 and the opposite side of rear plate 56 be provided with the grip block 59 being folded upward at, two grip blocks 59 are parallel, and centre forms folder The space of tight X-ray.Specifically, front plate 55 and rear plate 56 be using the opposite linkage structure of glide direction, on front plate 55 Clamping device 58 for fixing front plate 55 is installed.

As shown in Fig. 2 and 3, front plate 55 and rear plate 56 are realized by interlocking bar 57 links, and interlocking bar 57 includes turning 52 lower end of pulling plate of dynamic connection is rotatably connected on the swing rod 572 from 571 both ends of bull stick, wherein rotation from bull stick 571 and two The shaft of bar 571 is located at its middle, while the swing rod 572 of middle two for also being located at preceding sliding slot 53 and rear sliding slot 54 is isometric, End is respectively hinged at the both ends from bull stick 571, and free end is respectively hinged on front plate 55 and rear plate 56, front plate 55, Rear plate 56 forms two opposite slider-crank mechanisms with from bull stick 571 and swing rod 572.

As shown in Fig. 4, the lower end of front plate 55 and rear plate 56 both passes through pulling plate 52 and is stuck in the lower end of pulling plate 52, with Swing rod 572 connect, place X-ray when, front plate 55 is pulled along, under the action of slider-crank mechanism, rear plate 56 to After move, spacing between front plate 55 and rear plate 56 increases, and after placing X-ray, then moves backward front plate 55, front plate 55 is close to each other with rear plate 56, and X-ray is clipped in the middle, and by clamping device 58 that front plate 55 is fixed.

Clamping device 58 includes mainly bar 581, briquetting 582, turning handle 583 and contact block 584, and bar 581 is from top to bottom Across front plate 55, lower end is the briquetting 582 for being stuck in 55 downside of front plate, and upper end is the turning handle positioned at 55 upper surface of front plate 583, turning handle 583 is perpendicular to bar 581 and is parallel to pulling plate 52, and 583 free end of turning handle is convex close to the setting of the downside of pulling plate 52 The contact block 584 risen, 55 upper side of front plate is provided with contact or isolated contact inclined-plane 551 with contact block 584, and contact is tiltedly The height in face 551 is gradually increased from the side of the lateral approach rear plate 56 far from rear plate 56.Clamping device 58 is working When, when turning handle 583 goes to vertical with front plate 55, contact block 584 and contact inclined-plane 551 are separate, can move front plate at this time 55, turning handle 583 is rotated, contact block 584 is gradually close to contact inclined-plane 551 and is against on contact inclined-plane 551, with contact inclined-plane 551 height increases, and turning handle 583 is gradually jacked up upwards, and briquetting 582 moves up, and front plate 55 is pressed abd fixed on pulling plate On 52 downside, the fixation of front plate 55 is realized.

As shown in Fig. 5, the sliding of slide 2 is connected on smooth road 1, and column 3 is fixed on slide 2,2 side surface upper part of slide It is provided with rotation fixation kit 21, rotates the positioning head 211 for being provided with rotation on fixation kit 21, the installation of 3 lower end surface of column 31 edge of disk is provided with locating slot 32, and positioning head 211 is fastened in locating slot 32.When carrying out the installation of column 3, column 3 is put It sets on slide 2, mounting disc 31 is located on slide 2, and when rotational positioning head 211 is fastened on just in locating slot 32, column 3 is determined Level is true, if 3 position inaccurate of column, is held in position first 211 motionless, mobile column 3 makes locating slot 32 and positioning head 211 Agree with, the positioning correcting work of column 3 can be rapidly completed, it is then again that column 3 and slide 2 is fixed, complete the accurate peace of column 3 Dress.

As shown in Fig. 6, rotation fixation kit 21 includes that the locating rack 212 on slide 2, locating rack is bolted Opening is offered on 212 back to the rotation slot 213 of slide 2, the middle section of positioning head 211 is rotatablely connected by rotation axis 214 On the side wall of rotation slot 213, the upper end of positioning head 211 is stretched out from the end of rotation slot 213, and lower end rotates in rotation slot 213 It is interior.The lower end depth of rotation slot 213 is greater than upper end, and 213 lower end slot bottom of rotation slot is provided with return unit mounting hole 216, return unit The return unit 215 being used as by reset spring is installed, one end of return unit 215 is against return unit mounting hole 216 in mounting hole 216 Bottom, the other end is against in the receiving hole 217 of 211 lower end of positioning head, and return unit 215 is in compressive state, by positioning head 211 Compression is fastened in locating slot 32.The lower end of positioning head 211 side opposite with receiving hole 217, which has been connected by screw to, removes handle 218, it can more easily rotational positioning head 211 218 by removing.

As shown in Fig. 7, the upper end of slide 2 is upper bearing (metal) component 22, and lower part is lower bearing component 23, upper bearing (metal) component 22 Including two groups of upper bearing (metal)s 221 opposing upper and lower, two 221 slide lines of upper bearing (metal) are on the upper surface of sliding way 11, another two 221 slide lines of bearing are in the lower end surface of sliding way 11.The lower bearings 231 opposite including two groups of front and backs of lower bearing component 23, two Leading flank of a 231 slide lines of lower bearing in glide path 12, rear side of 231 slide lines of another two lower bearing in glide path 12 Face, slide 2 because two groups of upper bearing (metal)s 221 and sliding way 11 cooperation, the cooperation of two groups of lower bearings 231 and glide path 12 will slide Seat 2 is firmly stuck on smooth road 1, and the gravity of slide 2 is applied on sliding way 11, and gravity is distributed to glide path by sliding way 11 On 12, the gravity of slide 2 is effectively dispersed.

As shown in figs. 8 and 9, the supporting frame for installing bearing assembly 22 arranged at the top of slide 2, on supporting frame The horizontal stretching plate 24 of the direction bending of oriented drawer 5 is installed, the moving direction of the front end face and piece drawer 5 that stretch out plate 24 is flat Row is provided with the bearing groove 25 of at least two diameters are identical, depth is different opening towards 5 direction of piece drawer, extension bar 6 on end face It is mounted on the lower end of piece drawer 5, linkage unit 7 is mounted on the end of extension bar 6, and axial vertical connection is provided on linkage unit 7 Dynamic bearing 71, linkage bearing 71 agree with or separate with bearing groove 25, and when agreeing with, piece drawer 5 can be moved together with slide 2, when separation, Piece drawer 5 can be individually moved with slide 2.

As shown in Fig. 10, linkage unit 7 further includes fixing sleeve 72, bearing block 73 and elastic component 74, and fixing sleeve 72 passes through Screw is connect with extension bar 6, and fixing sleeve 72 is arranged along the length direction of extension bar 6, and inside forms opening direction and stretches out 24 side of plate To cylindrical cavity, cylindrical bearing block 73 is slidably arranged in fixing sleeve 72, is provided on fixing sleeve 72 to two sides Opposite strip-shaped hole 721, the two sides up and down of bearing block 73 are provided with vertical positioning column 732, and positioning column 732 is from strip-shaped hole 721 Interior stretching, the limitation by strip-shaped hole 721 to positioning column 732, bearing block 73 can only move axially in fixing sleeve 72 and cannot Rotation.

73 outer end of bearing block is provided with slot 731, and linkage bearing 71 is articulated in slot 731, the inner end setting of bearing block There is cylindrical spring stack 733, is arranged with the elastic component 74 that spring is used as on spring stack 733, elastic component 74 is in compressive state, Ejection bearing block 73 outward enables linkage bearing 71 to be stuck in bearing groove 25.In conjunction with attached drawing 9 and 10, the two sides shape of plate 24 is stretched out , can be mobile to 5 direction of piece drawer when linkage bearing 71 is touched on inclined-plane at the inclined-plane contacted with linkage bearing 71, spring is squeezed, Linkage bearing 71 is gradually moved in bearing groove 25, to make piece drawer 5 that slide 2 and column 3 be driven to move together.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (6)

1. the shooting bed of a kind of drawer and column linkage, including be set to shooting bed (100) back lower smooth road (1), The slide (2) slid laterally and the column (3) being fixed on slide (2) on smooth road (1) are provided on the column (3) The shooting head (4) slided up and down, the bed board of the shooting bed (100) are arranged with mobile along shooting bed (100) length direction Piece drawer (5), it is characterised in that: be provided perpendicular to smooth road (1) and horizontal-extending stretching on the downside of the rear end of described drawer (5) The end of bar (6), the extension bar (6) is provided with linkage unit (7), and the linkage unit (7) includes being directed toward smooth road (1) side To the vertical linkage bearing (71) of axial direction, be provided with the stretching plate (24) bent to piece drawer (5) direction on the slide (2), The end face for stretching out plate (24) towards piece drawer (5) is parallel with the moving direction of piece drawer (5), and at least two are provided on end face Diameter is identical, depth is different agrees with or isolated bearing groove (25) with linkage bearing (71) outer ring.

2. the shooting bed of according to claim 1 drawer and column linkage, it is characterised in that: the linkage unit (7) is also It is grown along the fixing sleeve (72) of extension bar (6) length direction, the fixing sleeve (72) along it including setting in extension bar (6) end The sliding of degree direction is provided with the bearing block (73) for the bearing that links (71) pivot joint, is provided with control shaft in the fixing sleeve (72) Hold the elastic component (74) of seat (73) sliding.

3. the shooting bed of according to claim 2 drawer and column linkage, it is characterised in that: the bearing block (73) is to wear The cylindrical body of fixing sleeve (72) end face is crossed, the extension end of the bearing block (73) is provided with for installing slitting for linkage bearing (71) Slot (731), the linkage bearing (71) stretch out out of fixing sleeve (72) and agree with or separate with bearing groove (25).

4. the shooting bed of according to claim 3 drawer and column linkage, it is characterised in that: the bearing block (73) is up and down Two sides are provided with the positioning column (732) for preventing it from rotating, and positioning column (732) sliding is arranged in fixing sleeve (72) up and down In the strip-shaped hole (721) of both ends of the surface.

5. the shooting bed of according to claim 3 drawer and column linkage, it is characterised in that: the bearing block (73) is located at One end in fixing sleeve (72) is provided with spring stack (733), and the elastic component (74) is to be set on spring stack (733) in pressure The spring of contracting state.

6. the shooting bed of according to claim 1-5 drawer and column linkage, it is characterised in that: the stretching plate (24) it is gradually increased from the end face width towards piece drawer (5), forms the inclined-plane for facilitating linkage bearing (71) sliding.